CN113977227B

CN113977227B - Overhauling line and overhauling method for rubber nodes in connecting rod piece

Info

Publication number: CN113977227B
Application number: CN202111136659.6A
Authority: CN
Inventors: 王亚平; 王习林; 范湘; 邹敏佳; 刘文松; 盛超; 邓娇; 肖鹏; 李泽之
Original assignee: Zhuzhou Times New Material Technology Co Ltd
Current assignee: Zhuzhou Times New Material Technology Co Ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-09-27
Anticipated expiration: 2041-09-27
Also published as: CN113977227A

Abstract

The invention relates to an overhaul line for rubber nodes in a connecting rod piece, which is used for overhauling the rubber nodes in the connecting rod piece of a railway vehicle and realizing the withdrawal of old rubber nodes and the press mounting of new rubber nodes, belongs to the technical field of overhaul equipment of a damping part of the railway vehicle and particularly comprises a connecting rod piece storing and transporting module, a rubber node storing and transporting module and a rubber node overhauling module, wherein the connecting rod piece storing and transporting module transports the connecting rod piece of the rubber node to be overhauled to the rubber node overhauling module for overhauling, and the rubber node storing and transporting module transports the new rubber nodes to be pressed to the rubber node overhauling module for press mounting of the new rubber nodes; and a conveying device is arranged among the connecting rod piece storing and conveying module, the rubber node storing and conveying module and the rubber node overhauling module and is used for conveying the connecting rod piece and the rubber node among all working procedures in the overhauling process. The invention also provides a method for overhauling the rubber node in the connecting rod piece.

Description

Overhauling line and overhauling method for rubber nodes in connecting rod piece

Technical Field

The invention relates to an overhaul line and an overhaul method for rubber nodes in a connecting rod piece, which are used for overhauling the rubber nodes in the connecting rod piece of a railway vehicle, can realize the exit of old rubber nodes and the press mounting of new rubber nodes, and belong to the technical field of overhaul equipment for damping parts of the railway vehicle.

Background

Connecting links are commonly used in the bogie construction of railway vehicles, primarily for the purpose of connection and shock absorption. As shown in fig. 1-3, the connection rod member comprises a metal rod body 18 and rubber nodes 19, the metal rod body 18 comprises a first connection end 18A and a second connection end 18B which are respectively provided with an inner hole 18-1, and the two rubber nodes 18 are respectively pressed in the two inner holes 18-1 of the first connection end 18A and the second connection end 18B of the metal rod body 19 to buffer and damp the rail vehicle, so as to improve the running stability of the vehicle body and the comfort of passengers. In the running process of a vehicle, the rubber nodes can be damaged in a fatigue mode, so that the rubber nodes in the connecting rod piece need to be overhauled periodically, when the rigidity of the rubber nodes is unqualified, the unqualified rubber nodes need to be withdrawn from the inner hole of the rod body, and new rubber nodes are pressed in the inner hole of the rod body again. In the prior art, the rubber nodes in the connecting rod pieces are usually overhauled manually, so that the overhauling efficiency is low, and the labor cost is high.

Disclosure of Invention

The invention provides an overhaul line for rubber nodes in connecting rod pieces, which is used for overhauling the rubber nodes in the connecting rod pieces of a railway vehicle. The invention also provides a method for overhauling the rubber node in the connecting rod piece.

In order to achieve the purpose, the invention adopts the technical scheme that: the overhauling line for the rubber nodes in the connecting rod pieces comprises a connecting rod piece storing and transporting module, a rubber node storing and transporting module and a rubber node overhauling module, wherein the connecting rod piece storing and transporting module transports the connecting rod pieces of the rubber nodes to be overhauled to the rubber node overhauling module for overhauling, and the rubber node storing and transporting module transports the new rubber nodes to be pressed to the rubber node overhauling module for pressing the new rubber nodes; and a conveying device is arranged among the connecting rod piece storing and conveying module, the rubber node storing and conveying module and the rubber node overhauling module and is used for conveying the connecting rod piece and the rubber node among all working procedures in the overhauling process.

Preferably, the rubber node overhauling module sequentially comprises a node rigidity detecting device, a node withdrawing device, an inner hole polishing and cleaning device, an inner hole size detecting device, a node press-mounting device and an assembly size detecting device according to an overhauling process; the node rigidity detection device is used for carrying out rigidity detection on rubber nodes of the connecting rod pieces to be overhauled and conveyed by the rubber node storage and transportation module, and the node withdrawing device is used for carrying out node withdrawing operation on the connecting rod pieces with unqualified rigidity detection on the rubber nodes; the inner hole polishing and cleaning device is used for polishing and cleaning the inner hole of the rod body of the connecting rod piece after the node is removed; the inner hole size detection device is used for detecting the inner diameter of the inner hole of the rod body after the inner hole is polished and cleaned; the node press-fitting device is used for press-fitting the new rubber nodes to be press-fitted, which are conveyed by the rubber node storage and transportation module, into the rod body inner holes of the connecting rod pieces detected by the inner hole size detection device; the component size detection device is used for detecting the symmetry and the angle of the connecting rod piece after the new rubber node is pressed and installed.

Preferably, the node rigidity detection device comprises a first bottom plate, a support table with a placing through groove in the middle is arranged at the upper end of the first bottom plate in a sliding mode, the placing through groove is used for accommodating a connecting rod piece to be subjected to rigidity detection, and a clamping table used for limiting the flat side of a mandrel of a rubber node in the connecting rod piece is arranged on the upper end face of the support table; the connecting end at one side of the connecting rod piece can extend into the placing through groove, and the connecting rod piece is limited on the clamping table through the mandrel flat square of the rubber node in the connecting end at the other side; the upper end of the rod body is provided with a rigidity pressure head, and a rigidity press is arranged above the rigidity pressure head.

Preferably, the node withdrawing device comprises a second bottom plate, a support component A arranged at the upper end of the second bottom plate and a withdrawing component arranged on the support component A, the withdrawing component comprises a receiving cylinder and a withdrawing pressure head, the lower end of the receiving cylinder is provided with a first driving part capable of driving the receiving cylinder to stretch up and down, and the first driving part is arranged on a connecting plate component capable of driving the receiving cylinder to slide transversely; the supporting component A is provided with a circular through hole, the supporting component A comprises a limiting supporting cylinder which is coaxially communicated with the circular through hole and is positioned above the circular through hole, a connecting rod piece of a node to be withdrawn is arranged at the upper end of the limiting supporting cylinder, a withdrawing pressure head is arranged at the upper end of the outer sleeve of the rubber node, and a receiving cylinder can extend upwards from the circular through hole into the inner side of the lower part of the limiting supporting cylinder to receive the withdrawn rubber node; the withdrawing pressure head can withdraw the rubber node downwards from the inner hole of the rod body and is received by the receiving cylinder.

Preferably, the receiving barrel is provided with a first accommodating hole with an upward opening, the inner diameter of the first accommodating hole is larger than the outer diameter of the lower end face of the axis of the mandrel, and the inner diameter of the first accommodating hole is smaller than the outer diameter of the rubber node outer sleeve and is not smaller than the inner diameter of the rubber node outer sleeve; when the rubber node is received, the lower end face of the outer sleeve of the rubber node is in contact with the upper end face of the receiving cylinder, and the lower portion of the axis of the mandrel at the lower end of the rubber node and the flat square are located in the first accommodating hole. The upper end surface of the limiting support cylinder sinks to form a limiting step I for positioning the connecting rod piece; the exit pressure head is provided with a second accommodating hole, the outer diameter of the lower end face of the exit pressure head is smaller than the bore diameter of the inner bore of the rod body, and the inner diameter of the lower end face of the exit pressure head is larger than the outer diameter of the upper end face of the shaft center of the rubber node mandrel and is not smaller than the inner diameter of the rubber node outer sleeve; the upper end part of the withdrawing pressure head protrudes towards the circumferential outer side to form a limiting convex edge, and the height of the cylinder part of the withdrawing pressure head, which is positioned at the lower end of the limiting convex edge, is greater than the height of the inner hole of the rod body; when moving back the node operation, withdraw from the lower terminal surface of pressure head and the contact of the overcoat up end of rubber node, leave body of rod hole back as the rubber node, withdraw from the pressure head and pass through spacing bead by spacing on the terminal surface of the body of rod.

Preferably, the inner hole polishing and cleaning device comprises a support frame and a workbench positioned at the upper end of the support frame, and a processing through hole matched with the inner hole of the connecting rod piece is formed in the workbench; a polishing assembly and a cleaning assembly are arranged above the processing through hole, the polishing assembly is used for polishing the inner hole of the connecting rod piece, and the cleaning assembly is used for cleaning the polished inner hole of the connecting rod piece; a dust collection assembly is arranged below the processing through hole corresponding to the grinding assembly and used for cleaning scrap iron or dust generated after the grinding assembly grinds the inner hole; the workbench is also provided with a clamping part for clamping the connecting rod piece to be processed.

Preferably, the node press-mounting device comprises a third bottom plate, a support component B arranged at the upper end of the third bottom plate, a press-mounting component and a press-mounting head, wherein the support component B comprises a side support plate B vertically arranged at the upper end of the third bottom plate and an upper support plate B positioned at the upper end of the side support plate B and provided with a middle through hole, and the support component B can transversely slide on the third bottom plate as a whole; the press-mounting component is positioned among the third bottom plate, the upper supporting plate B and the side supporting plate B and can stretch up and down through a middle through hole of the upper supporting plate B to realize press-mounting of the rubber node, and the press-mounting component comprises two press-mounting units which are transversely aligned and can slide in the transverse direction; the connecting rod piece is arranged above the through hole in the middle of the upper supporting plate B, and two inner holes of the rod body are respectively and coaxially arranged with the two press mounting units; the press-fitting head is positioned right above the inner hole of the rod body and used for pressing the rubber node downwards into the inner hole of the rod body.

Preferably, the press-fitting assembly comprises a guide plate and a positioning bottom plate arranged at the upper end of the guide plate in a sliding manner; the press-mounting unit is arranged at the upper end of the positioning bottom plate in a sliding manner, can slide vertically along with the guide plate and can slide transversely along with the positioning bottom plate; the press-fitting unit comprises a positioning disc, a spring and an angle scale, the positioning disc is transversely slidably arranged on the positioning bottom plate, the spring is located at the upper end of the positioning disc, the angle scale is located at the upper end of the spring, a positioning barrel capable of stretching up and down in the middle through hole is arranged at the upper end of the angle scale, and the positioning barrel can be clamped in an inner hole of the rod body of the connecting rod piece to limit the connecting rod piece.

Preferably, the overhaul line further comprises a product online platform, the connecting rod storing and transporting module comprises an intelligent vertical warehouse, an AGV transporting line I and an AGV transporting trolley I, the intelligent vertical warehouse is used for storing connecting rods to be overhauled, the AGV transporting line I is used for connecting the intelligent vertical warehouse and the product online platform and transporting the connecting rods to be overhauled in the intelligent vertical warehouse to the product online platform through the AGV transporting trolley I; rubber node deposits fortune module includes that the node deposits the foundary storehouse, node external diameter detection device, AGV transport line two and AGV travelling bogie two, and the foundary storehouse is deposited for the subregion and deposits the new rubber node of treating the pressure equipment, and node external diameter detection device is used for detecting the external diameter of the rubber node in depositing the foundary storehouse to the node, and AGV transport line two is used for connected node to deposit the foundary storehouse, node external diameter detection device and node pressure equipment device and detect qualified waiting to press equipment rubber node and transport to node pressure equipment device department with node external diameter detection device through AGV travelling bogie two.

The method for overhauling the rubber node in the connecting rod piece by adopting the overhauling line comprises the following steps:

taking out rubber nodes to be pressed from a node storage vertical warehouse through an AGV (automated guided vehicle) second conveying trolley, and conveying the rubber nodes to a node outer diameter detection device through an AGV conveying line second to detect;

after the detection of the outer diameter size of the press-fitting rubber node is finished, conveying the press-fitting rubber node to a node press-fitting device by an AGV conveying trolley II along an AGV conveying line II;

thirdly, taking out the connecting rod pieces to be overhauled from the intelligent vertical warehouse through the first AGV transporting trolley and transporting the connecting rod pieces to be overhauled to the upper line product platform through the first AGV transporting line while performing the first step and the second step;

conveying the connecting rod piece to be overhauled to a node rigidity detection device through a conveying device to perform rigidity detection on the rubber node, and conveying the connecting rod piece with unqualified rigidity detection to a node withdrawing device through the conveying device to withdraw the node;

(V) conveying the rod body of the connection rod piece with the withdrawn rubber node to an inner hole polishing and cleaning device through a conveying device, and polishing and cleaning the inner hole of the rod body;

conveying the rod body with the polished and cleaned inner hole to an inner hole size detection device through a conveying device, detecting the inner diameter of the inner hole of the rod body, and conveying the rod body with the qualified inner diameter detection of the inner hole of the rod body to a node press-fitting device through the conveying device;

seventhly, pressing the rubber nodes to be pressed and conveyed by the AGV transporting trolley II into the inner hole of the rod body with qualified inner hole diameter detection through a node pressing device;

conveying the press-mounted connecting rod pieces to a component size detection device through a conveying device, and detecting all sizes of the connecting rod pieces through a size detection module;

the connecting rod pieces qualified by the detection of the assembly size detection device are conveyed to an off-line product platform through a conveying device, and the connecting rod pieces are waited to be conveyed to a finished product area;

and (ten) completing the maintenance of the rubber nodes in the connecting rod pieces, and waiting for the online maintenance of the next connecting rod piece.

The invention has the beneficial effects that:

1. the invention is provided with a connecting rod piece storing and transporting module for transporting a connecting rod piece to be overhauled to a rubber node overhauling module, and a rubber node storing and transporting module for transporting a new rubber node to be pressed to the rubber node overhauling module; the rubber node overhauling module comprises a node rigidity detecting device, a node withdrawing device, an inner hole polishing and cleaning device, an inner hole size detecting device, a node press-mounting device and a component size detecting device, and the rigidity detection of the rubber nodes in the connecting rod piece to be overhauled, the withdrawal of the rubber nodes unqualified in the rigidity detection, the polishing and cleaning of the rod body inner holes withdrawn from the rubber nodes, the size detection of the inner holes after the polishing and cleaning, the press-mounting of new rubber nodes into the rod body inner holes qualified in the size of the inner holes after the polishing and cleaning, and the overall size detection of the connecting rod piece press-mounted with the new rubber nodes are sequentially completed through the procedures; the overhaul of rubber nodes in the connecting rod pieces is completed, and the technical problems of low overhaul efficiency and high labor cost consumption during manual overhaul can be solved.

2. The node withdrawing device comprises a second bottom plate, a supporting component A arranged at the upper end of the second bottom plate and a withdrawing component arranged on the supporting component A, wherein the withdrawing component comprises a receiving cylinder and a withdrawing pressure head, and the withdrawing pressure head can withdraw a rubber node downwards from an inner hole of a rod body and is supported by the receiving cylinder, so that the technical problems that the working efficiency is low and the inner hole of the rod body is easily damaged when a manual withdrawing tool is held by hands to withdraw the rubber node are solved.

3. The inner hole polishing and cleaning device comprises a polishing component, a cleaning component, a dust absorption component and a clamping part, and can polish, absorb dust and clean the inner hole of the connecting rod piece, and the polishing and cleaning efficiency is high.

4. The node press-mounting device comprises a third bottom plate, a supporting component B arranged at the upper end of the third bottom plate, a press-mounting component and a press-mounting head, wherein the press-mounting device can slide on the third bottom plate to a specified processing station through a side supporting plate B in the supporting component B; the connecting rod piece can be stretched up and down through a middle through hole on the upper supporting plate B in the supporting assembly B through the two press-mounting units to compress the rubber node; the two press-fitting units can slide transversely to adjust the middle distance between the two press-fitting units so as to meet the requirement of specific center distance of the connecting rod pieces. The invention avoids the technical problems of low processing efficiency and poor press mounting quality in manual processing, ensures the press mounting precision and efficiency and can improve the overall operation performance of the vehicle.

Drawings

Fig. 1 is a schematic view of the structure of the connecting rod (the rubber node is not pressed into the inner hole of the rod).

Fig. 2 is a schematic structural view of a rod body.

Fig. 3 is a schematic structural diagram of a rubber node.

Fig. 4 is an overall top view schematic of a service line connecting rubber nodes in a rod.

Fig. 5 is a schematic perspective view of the node rigidity detection device.

Fig. 6 is a front middle sectional view of the node rigidity detection device.

Fig. 7 is a front middle sectional view of the node withdrawing device.

Fig. 8 is an explosion structure diagram of the withdrawing pressure head, the connecting rod piece, the limiting support cylinder, the upper support plate a and the receiving cylinder in the node withdrawing device.

Fig. 9 is a schematic structural diagram of the inner hole polishing and cleaning device.

Fig. 10 is a left side view of fig. 9.

Fig. 11 is a sectional view in the direction a-a of fig. 10.

Fig. 12 is a schematic view of the table of the bore sanding cleaning device.

Figure 13 is a schematic view of the table of the bore sanding cleaning device.

Figure 14 is a schematic view of a suction funnel and suction conduit.

Fig. 15 is an exploded view of the support frame, the dust collection funnel, the dust collection pipe and the work bench.

Fig. 16 is a schematic perspective view of the node press-fitting device.

Fig. 17 is an elevational, middle cross-sectional view of the node press-fitting apparatus.

Fig. 18 is a left side, middle cross-sectional view of the node press-fitting device of fig. 17.

Fig. 19 is a front middle sectional view of the press-fitting unit.

Fig. 20 is a left side, middle cross-sectional view of the press-fit unit of fig. 19.

Fig. 21 is a schematic perspective view of the press-fitting unit.

Fig. 22 is a schematic perspective view of an upper support plate B including two circular through holes i, two circular through holes ii, and two circular through holes iii.

The reference numerals include: the automatic guided vehicle comprises an intelligent vertical warehouse 1, an AGV intelligent forklift 2, an AGV transport trolley 3, an AGV transport line 4, a product on-line platform 5, a node storage vertical warehouse 6, a node outer diameter detection device 7, an AGV transport line two 8, an off-line product platform 9, a transport robot 10, a component size detection device 11, a node press-fitting device 12, a bottom plate three 12-1, a side supporting plate B12-2, a sliding table one 12-3, a guide groove two 12-4, a side connecting plate 12-5, a guide plate 12-6, a sliding table two 12-7, a sliding table three 12-8, a positioning bottom plate 12-9, a guide groove three 12-10, a T-shaped guide rail 12-11, a sliding table four 12-12, a sliding table five 12-15, a positioning disc 12-16, a guide rod 12-17, a guide table 12-18, a spring 12-19, an angle disc one 12-20, 12-21 parts of a lower positioning groove I, 12-22 parts of an upper positioning boss I, 12-23 parts of an adjusting bolt, 12-24 parts of an angle scale II, 12-25 parts of an upper positioning boss II, 12-26 parts of an angle adjusting groove, 12-27 parts of a positioning cylinder, 12-29 parts of a positioning step, 12-30 parts of a flat square limiting hole I, 12-31 parts of an upper supporting plate B12-31 part, 12-32 parts of an upper processing groove, 12-33 parts of a middle through hole, 12-34 parts of a circular through hole I, 12-35 parts of a circular through hole II, 12-36 parts of a circular through hole III, 12-37 parts of a connecting hole, 12-38 parts of a connecting groove, 12-39 parts of a press-mounting head, 12-40 parts of a press-mounting mechanical arm, 12-41 parts of a connecting rod, 12-42 parts of a lubricator, 12-43 parts of a node conveying device, 12-44 parts of a press-mounting machine, 12-45 parts of a guide groove I, and a hole size detecting device 13 parts of a hole size detecting device 13, An inner hole grinding and cleaning device 14, an upper side frame 14-1, a lower side frame 14-2, a workbench 14-3, a grinding through hole 14-4, a grinding manipulator 14-5, a grinding connecting rod 14-6, a grinding head 14-7, a dust collection funnel 14-8, a rib 14-9, an open end 14-10 of the dust collection funnel, a dust collection pipeline 14-11, a cleaning through hole 14-12, a cleaning connecting rod 14-13, a cleaning head 14-14, a cleaning spray head 14-15, a cleaning motor 14-16, a motor sliding chute 14-17, a supporting groove 14-18, a clamping block 14-19, a clamping sliding chute 14-20, a protective cover 14-21, a cleaning manipulator 14-22, a vertical frame 14-23, a lower end face 14-24 of the workbench, a node withdrawing device 15, a bottom plate two 15-1, a grinding device 14-4, a grinding device 14-5, a grinding device, a cleaning device, a, A side support plate A15-2, a first stop block 15-3, an upper support plate A15-4, a circular through hole 15-5, a clamping groove 15-6, a receiving cylinder 15-7, a first accommodating hole 15-8, a power output rod 15-9, a connecting boss 15-10, a withdrawing pressure head 15-11, a second accommodating hole 15-12, a limiting convex rib 15-13, a cylinder part 15-14, a limiting support cylinder 15-15, a limiting step first 15-16, a side connecting plate 15-17, a sliding groove C15-18, a second stop block 15-19, a lower connecting plate 15-20, a reinforcing rib 15-21, a node rigidity detection device 16, a first bottom plate 16-1, a support platform 16-2, a placing through groove 16-3, a sliding groove A16-4, a movable platform 16-5, a fixed lower plate 16-6, a connecting plate 16-3, a connecting groove A16-4, a movable platform 16-6, a fixed lower plate, 16-7 of a clamping table, 16-8 of an arc-shaped connecting end part of a rod body, 16-9 of a rigidity pressure head, 16-10 of a rigidity press, 17 of a qualified rigidity detection product offline platform, 18 of the rod body, a first connecting end 18A, a second connecting end 18B, a first inner hole 18-1, a second inner hole 18-2, 18-3 of a hole wall, 19 of a rubber node, 19-1 of an outer sleeve, 19-2 of a rubber body, 19-3 of a mandrel, 19-4 of a flat square and 19-5 of an axis.

Detailed Description

Embodiments of the present invention are described in detail below with reference to FIGS. 1-22:

the overhaul line for the rubber node in the connecting rod piece comprises a rod body 18 shown in figure 2 and a rubber node 19 shown in figure 3, two inner holes are formed in two sides of the rod body 18, the rubber node 19 comprises an outer sleeve 19-1 and a middle mandrel 19-3 positioned in the outer sleeve 19-1, a rubber body 19-2 is vulcanized between the outer sleeve 19-1 and the mandrel 19-3, the mandrel 19-3 is positioned on the outer sides of two ends of the outer sleeve 19-1 and comprises two flat squares 19-4 of the mandrel 19-3, and the part of the mandrel 19-3 positioned between the two flat squares 19-4 is the axis 19-5 of the mandrel 19-3.

The overhaul line for the rubber nodes in the connecting rod pieces comprises a connecting rod piece storage and transportation module, a rubber node storage and transportation module and a rubber node overhaul module, wherein the connecting rod piece storage and transportation module transports the connecting rod pieces of the rubber nodes 19 to be overhauled to the rubber node overhaul module for overhaul, and the rubber node storage and transportation module transports the new rubber nodes 19 to be pressed to the rubber node overhaul module for pressing the new rubber nodes 19; and a conveying device is arranged among the connecting rod piece storing and conveying module, the rubber node storing and conveying module and the rubber node overhauling module and is used for conveying the connecting rod piece and the rubber node 19 among all working procedures in the overhauling process. The transport device is a transport robot 10.

As shown in fig. 4, the rubber node overhaul module sequentially comprises a node rigidity detection device 16, a node withdrawing device 15, an inner hole polishing and cleaning device 14, an inner hole size detection device 13, a node press-mounting device 12 and a component size detection device 11 according to an overhaul procedure; the node rigidity detection device 16 comprises an automatic feeding mechanism, an automatic conveying mechanism, an auxiliary test mechanism and an automatic test mechanism, and is used for carrying out rigidity detection on the rubber nodes 19 of the to-be-overhauled connecting rod pieces conveyed by the rubber node storage and transportation module and recording, collecting, outputting and judging rigidity detection data; the node rigidity detection device 16 is also provided with a rigidity detection qualified product offline platform 17, the rigidity detection qualified product offline platform 17 is used for temporarily storing a connecting rod piece qualified in the rubber node rigidity detection device 16 in the rigidity detection qualified product, the connecting rod piece qualified in the rigidity of the rubber node 19 after being detected by the node rigidity detection device 16 is conveyed to the rigidity detection qualified product offline platform 17 by the transportation robot 10, and the connecting rod piece unqualified in the rigidity detection of the rubber node 19 is conveyed to the node withdrawing device 15 by the transportation robot 10; the node withdrawing device 15 is used for performing node withdrawing operation on the connecting rod piece with unqualified rigidity detection of the rubber node 19; the inner hole polishing and cleaning device 14 is used for polishing and cleaning the inner hole of the rod body 18 of the connecting rod piece after node withdrawal; the inner hole size detection device 13 detects the inner diameter of the inner hole of the rod body 18 which finishes inner hole polishing and cleaning in a hard contact or optical scanning mode, when the inner diameter of the inner hole of the rod body 18 is unqualified, the unqualified rod body 18 is off-line at the inner hole size detection device 13, and the qualified rod body 18 is conveyed to the node press-fitting device 12 by the conveying robot 10; the node press-fitting device 12 is used for press-fitting a new rubber node 19 to be press-fitted, which is conveyed by the rubber node storage and transportation module, into an inner hole of a rod body 18 of the connecting rod member detected by the inner hole size detection device 13; the assembly size detection device 11 comprises a distance measurement module and an angle measurement module, and detects the symmetry and the angle of the connecting rod piece after the new rubber node 19 is pressed and installed in a hard contact or optical scanning mode; the assembly size detection device 11 is also provided with an off-line product platform 9, and the connecting rod piece which is detected to be qualified by the assembly size detection device 11 is conveyed to the off-line product platform 9 by the conveying robot 10.

As shown in fig. 5 and 6, the node rigidity detection device 16 comprises a first bottom plate 16-1, a support table 16-2 with a through groove 16-3 arranged in the middle is arranged at the upper end of the first bottom plate 16-1 in a sliding manner, a sliding groove a16-4 is arranged at the upper end of the first bottom plate 16-1, a movable table 16-5 connected in the sliding groove a16-4 in a sliding manner is arranged at the upper end of the first bottom plate 16-1, a fixed groove is arranged on the movable table 16-5, the support table 16-2 is fixedly connected in the fixed groove through a fixed lower plate 16-6, and the support table 16-2 can slide at the upper end of the first bottom plate 16-1 through the movable table 16-5; the placing through groove 16-3 is vertically arranged in the middle of the support platform 16-2, and the placing through groove 16-3 is used for accommodating a connecting rod piece to be subjected to rigidity detection; the upper end face of the support table 16-2 is provided with a clamping table 16-7 used for limiting a mandrel 19-3 flat square 19-4 of a rubber node 19 in a connecting rod piece, the connecting end on one side of the connecting rod piece can extend into the placing through groove 16-3, and the connecting rod piece is limited on the clamping table 16-7 through the mandrel 19-3 flat square 19-4 of the rubber node 19 in the connecting end on the other side; the upper end of the rod body 18 is provided with a rigidity pressure head 16-9, the shape of the rigidity pressure head 16-9 is matched with the shape of the arc-shaped connecting end part 16-8 of the rod body, and a rigidity press 16-10 is arranged above the rigidity pressure head 16-9.

The rigidity detection comprises the following steps:

the first connecting end 18A of the connecting rod piece extends downwards into the placing through groove 16-3 from an inlet of the placing through groove 16-3 until the second connecting end 18B is located at the inlet of the placing through groove 16-3, and the flat square 19-4 of the rubber node 19 mandrel 19-3 in the second connecting end 18B is clamped on the clamping table 16-7 on the upper end face of the supporting table 16-2;

secondly, a rigidity pressure head 16-9 is placed on an arc-shaped connecting end part 16-8 of the rod body in the connecting end II 18B, and the rigidity press 16-10 is started to downwards perform rigidity detection on a rubber node 19 in the connecting end II 18B through the rigidity pressure head 16-9;

thirdly, after the rigidity detection of the second connecting end 18B is finished, the rigidity pressure head 16-9 is taken down, the connecting rod piece is rotated for 180 degrees to turn around, so that the second connecting end 18B is positioned in the placing through groove 16-3, the first connecting end 18A is clamped on the clamping table 16-7 through the flat square 19-4 of the rubber node 19, and the rigidity detection of the rubber node 19 in the first connecting end 18A is carried out by repeating the action of the second step;

if the rigidity detection of the rubber nodes 19 in the first connecting end 18A and the second connecting end 18B is qualified, the connecting rod piece is conveyed to a lower line platform 17 of a product with qualified rigidity detection through the conveying robot 10; if the rigidity of the rubber node 19 in the first connecting end 18A or the second connecting end 18B is unqualified, the connecting rod piece is conveyed to the node withdrawing device 15 through the transport robot 10 to withdraw the unqualified rubber node 19.

As shown in fig. 7 and 8, the node withdrawing device 15 includes a second bottom plate 15-1, a support assembly a disposed at the upper end of the second bottom plate 15-1, and a withdrawing assembly disposed on the support assembly a, the withdrawing assembly includes a receiving cylinder 15-7 and a withdrawing pressure head 15-11, a first driving member disposed at the lower end of the receiving cylinder 15-7 and capable of driving the receiving cylinder 15-7 to extend and retract vertically, the receiving cylinder 15-7 is fixedly connected to the power output end of the first driving member, and the first driving member is disposed on a connecting plate assembly capable of driving the receiving cylinder 15-7 to slide laterally; the supporting component A is provided with a circular through hole 15-5, the supporting component A comprises a limiting supporting cylinder 15-15 which is coaxially communicated with the circular through hole 15-5 and is positioned above the circular through hole 15-5, a connecting rod piece of a node to be withdrawn is arranged at the upper end of the limiting supporting cylinder 15-15, a withdrawing pressure head 15-11 is arranged at the upper end of an outer sleeve 19-1 of a rubber node 19, and a receiving cylinder 15-7 can extend upwards from the circular through hole 15-5 into the inner side of the lower part of the limiting supporting cylinder 15-15 to bear the withdrawn rubber node 19; the withdrawing ram 15-11 withdraws the rubber node 19 downwardly from the inner bore of the shank 18 and is received by the receiving cylinder 15-7.

The supporting component A comprises side supporting plates A15-2 positioned at the upper end of a second bottom plate 15-1 and upper supporting plates A15-4 fixedly connected at the upper end of the side supporting plates A15-2, the side supporting plates A15-2 are two side supporting plates vertically arranged at the upper end of the second bottom plate 15-1, the upper supporting plates A15-4 are clamped and fixed at the upper ends of the two side supporting plates A15-2 through clamping grooves 15-6 on the lower end surfaces, a sliding groove B for the side supporting plates A15-2 to horizontally slide is arranged on the second bottom plate 15-1, and the length of the sliding groove B is smaller than that of the second bottom plate 15-1 so as to prevent the side supporting plates A15-2 from sliding out of the second bottom plate 15-1; the circular through holes 15-5 are two arranged on the upper supporting plate A15-4, and the two limiting supporting cylinders 15-15 are arranged at the upper end of the upper supporting plate A15-4 and respectively surround the outer sides of the two circular through holes 15-5.

The lower end of the receiving cylinder 15-7 is provided with a groove, the driving part I comprises a power output rod 15-9, the upper end of the power output rod 15-9 is a power output end, the upper end of the power output rod 15-9 is provided with a connecting boss 15-10 capable of limiting the groove of the receiving cylinder 15-7, and the receiving cylinder 15-7 is fixed at the upper end of the power output rod 15-9 through the connecting boss 15-10. The supporting component A is provided with a circular through hole 15-5, the supporting component A comprises a limiting supporting cylinder 15-15 which is coaxially communicated with the circular through hole 15-5 and is positioned above the circular through hole 15-5, and the aperture of the lower end of the limiting supporting cylinder 15-15 is not smaller than that of the circular through hole 15-5, so that the limiting supporting cylinder 15-15 is coaxial with the circular through hole 15-5 and is positioned on the upper peripheral side of the circular through hole 15-5; the aperture of the circular through hole 15-5 is not smaller than the outer diameter of the upper end of the receiving cylinder 15-7, so that the receiving cylinder 15-7 can extend upwards into the circular through hole 15-5, and further the receiving cylinder 15-7 can extend upwards into the inner side of the lower part of the limiting supporting cylinder 15-15 from the circular through hole 15-5 to receive the withdrawn rubber node 19. The receiving barrel 15-7 is provided with a first accommodating hole 15-8 with an upward opening, the inner diameter of the first accommodating hole 15-8 is larger than the outer diameter of the lower end face of the axle center 19-3 of the mandrel 19-3, so that the inner hole of the rod body 18 is prevented from being scratched due to interference between the receiving barrel 15-7 and the axle center 19-5 of the mandrel 19-3 in the withdrawing process; the inner diameter of the accommodating hole I15-8 is smaller than the outer diameter of the outer sleeve 19-1 of the rubber node 19 and is not smaller than the inner diameter of the outer sleeve 19-1 of the rubber node 19, so that when the rubber node 19 is received, the lower end face of the outer sleeve 19-1 of the rubber node 19 is in contact with the upper end face of the receiving cylinder 15-7, and the lower part of the axis 19-5 of the mandrel 19-3 at the lower end of the rubber node 19 and the flat square 19-4 are positioned in the accommodating hole I15-8.

The upper end surface of the limiting support cylinder 15-15 sinks to form a limiting step I15-16 for positioning the rod body 18, wherein the limiting step I15-16 in the embodiment is a U-shaped step matched with the shape of the rod body 18 shown in figure 8, so that the rod body 18 can be stably placed on the limiting support cylinder 15-15; the withdrawing pressure head 15-11 is provided with a second accommodating hole 15-12, the outer diameter of the lower end face of the withdrawing pressure head 15-11 is smaller than the inner hole diameter of the rod body 18, so that when the withdrawing pressure head 15-11 applies pressure to the rubber node 19, the lower end face of the withdrawing pressure head 15-11 is in contact with the upper end face of the outer sleeve 19-1 of the rubber node 19 and withdraws the rubber node 19 downwards, and the lower end face of the withdrawing pressure head 15-11 is prevented from being in contact with the upper end face of the rod body 18. The inner diameter of the lower end face of the withdrawing pressure head 15-11 is larger than the outer diameter of the upper end face of the mandrel 19-3 axle center 19-5 of the rubber node 19 and is not smaller than the inner diameter outside the rubber node 19, so that the lower end face of the withdrawing pressure head 15-11 is in contact with the upper end face of the outer sleeve 19-1 of the rubber node 19, and the inner hole of the rod body 18 is prevented from being scratched due to interference between the lower end face of the withdrawing pressure head 15-11 and the axle center 19-5 of the mandrel 19-3 in the withdrawing process; the upper end part of the withdrawing pressure head 15-11 protrudes towards the circumferential outer side to form a limiting convex ridge 15-13, and the height of the barrel part 15-14 of the withdrawing pressure head 15-11, which is positioned at the lower end of the limiting convex ridge 15-13, is greater than the height of the inner hole of the rod body 18, so that the withdrawing pressure head 15-11 can completely withdraw the rubber node 19 from the inner hole; when the node withdrawing operation is carried out, the lower end face of the withdrawing pressure head 15-11 is contacted with the upper end face of the outer sleeve 19-1 of the rubber node 19, and after the rubber node 19 leaves the inner hole of the rod body 18102, the withdrawing pressure head 15-11 is limited on the upper end face of the rod body 18 through the limiting convex ribs 15-13.

The connecting plate component comprises a side connecting plate 12-5 and a lower connecting plate 15-20, the side connecting plate 12-5 is connected to the inner wall of the side supporting plate A15-2 in a sliding manner, the lower connecting plate 15-20 is fixedly connected to the lower end of the side connecting plate 12-5, and a connecting through hole for a power output rod 15-9 of the driving piece I to pass through is formed in the lower connecting plate 15-20; the connecting plate can drive the receiving cylinder 15-7 to slide below the circular through hole 15-5, and drive the receiving cylinder 15-7 and the rubber node 19 to slide out from the lower part of the upper supporting plate A15-4 after the rubber node 19 retreats onto the receiving cylinder 15-7 so as to be convenient for the retreating mechanical arm to take out the retreated rubber node 19. Reinforcing ribs 15-21 shown in figure 7 are further arranged at the connecting positions of the side connecting plates 12-5 and the lower connecting plates 15-20 to ensure that the side connecting plates 12-5 and the lower connecting plates 15-20 are stably connected; the connecting through holes are arranged on the lower connecting plates 15-20, the inner walls of the side supporting plates A15-2 are provided with more than two sliding grooves C15-18, the number of the sliding grooves C15-18 in the embodiment is two, and the side connecting plates 12-5 are provided with sliding blocks matched with the sliding grooves C15-18. As shown in figure 7, a first stop block 15-3 positioned above the side connecting plate 12-5 is arranged at the outer end of the sliding groove C15-18 on the inner wall of the side supporting plate A15-2, namely, the first stop block 15-3 is higher than the upper end face of the side connecting plate 12-5, and a second stop block 15-19 capable of stopping on the first stop block 15-3 to prevent the side connecting plate 12-5 from falling out of the side supporting plate A15-2 is arranged at one end, far away from the first stop block 15-3, of the upper end face of the side connecting plate 12-5.

The node quitting step of the node quitting device 15 comprises the following steps:

firstly, the connecting plate component drives the receiving cylinder 15-7 to move towards the inner side of the side supporting plate A15-2 through a control program, the receiving cylinder 15-7 stops when being positioned under the circular through hole 15-5 of the upper supporting plate A15-4, and then the receiving cylinder 15-7 is driven to move upwards through a driving piece I and extends upwards from the circular through hole 15-5 to the inner side of the lower part of the limiting supporting cylinder 15-15;

secondly, a connecting rod piece needing to be subjected to node removal is arranged on the supporting component A, and a first connecting end 18A and a second connecting end 18B of the connecting rod piece are respectively arranged on first limiting steps 15-16 at the upper ends of two limiting supporting cylinders 15-15;

thirdly, the withdrawing pressure head 15-11 is arranged at the upper end of the connecting rod piece, and the lower end face of the withdrawing pressure head 15-11 is in contact with the upper end face of the outer sleeve 19-1 of the rubber node 19;

(IV) sliding the side supporting plate A15-2 in the sliding groove B, and enabling the rubber node 19 on one side in the connecting rod piece to be positioned right below the withdrawing press;

(V) the exit press is controlled by a program to move downwards and press the upper end face of the exit press head 15-11, and the exit of the rubber node 19 is started;

(VI) controlling the back movement of the withdrawing press by a program, sliding the side supporting plate A15-2 in the chute B, and enabling the rubber node 19 at the other side in the connecting rod piece to be arranged right below the withdrawing press;

seventhly, repeating the action of the fifth step to finish the exit of the rubber node 19 at the other side in the connecting rod piece;

(eighth) the withdrawing press is controlled by a program to move back, and then the connecting plate assembly slides out from the lower side of the side supporting plate A15-2 to the outer side of the side supporting plate A15-2;

and (ninthly) clamping the rubber node 19 which is positioned on the receiving cylinder 15-7 and retreats, and placing the rubber node 19 in a scrapped node temporary storage area by using a manipulator to finish retreating the rubber node 19.

The inner hole polishing and cleaning device 14 comprises a support frame and a workbench 14-3 positioned at the upper end of the support frame, as shown in fig. 9, the support frame comprises a vertical frame 14-23 and an upper side frame 14-1 positioned at the upper end of the vertical frame 14-23, and the workbench 14-3 is positioned at the upper end of the upper side frame 14-1; a processing through hole matched with the inner hole of the connecting rod piece is arranged on the workbench 14-3; a polishing assembly and a cleaning assembly are arranged above the processing through hole, the polishing assembly is used for polishing the inner hole of the connecting rod piece, and the cleaning assembly is used for cleaning the polished inner hole of the connecting rod piece; a dust collection assembly is arranged below the processing through hole corresponding to the grinding assembly and used for cleaning scrap iron or dust generated after the grinding assembly grinds the inner hole; the worktable 14-3 is also provided with a clamping part for clamping the connecting rod piece to be processed. The connecting rod piece comprises two inner holes, namely an inner hole I18-1 and an inner hole II 18-2, the inner hole I18-1 and the inner hole II 18-2, and a hole wall 18-3, wherein the axial side wall of the hole is the hole wall of the inner hole.

As shown in figures 12 and 13, the two machining through holes on the workbench 14-3 are matched with the inner holes of the connecting rod piece and respectively comprise a grinding through hole 14-4 and a cleaning through hole 14-12, and the two through holes are uniformly distributed on two sides of the middle of the workbench 14-3. When the machining is started, the connecting rod piece is placed at the upper end of the workbench 14-3, the inner hole I18-1 corresponds to the grinding through hole 14-4, and the inner hole II 18-2 corresponds to the cleaning through hole 14-12; the grinding assembly is arranged above the grinding through hole 14-4, the dust suction assembly is arranged below the grinding through hole 14-4, and the cleaning assembly is arranged above the cleaning through hole 14-12. Through polishing the inner hole of the connecting rod piece by the polishing assembly, scrap iron and dust generated after polishing enter the dust collection assembly from the polishing through hole 14-4 and are discharged.

As shown in fig. 9-11, the grinding assembly comprises a grinding manipulator 14-5, the grinding manipulator 14-5 is provided with a grinding connecting rod 14-6 and a detachable grinding head 14-7 which is arranged at the lower end of the grinding connecting rod 14-6; a grinding driving piece which can drive the grinding connecting rod 14-6 to drive the grinding head 14-7 to extend into the inner hole of the connecting rod piece for grinding is arranged at the grinding manipulator 14-5. The polishing head 14-7 is detachable, so that the polishing head 14-7 with different specifications and materials can be prepared according to specifications and polishing requirements of different inner holes, and polishing of inner holes with various specifications is realized; when the polishing head 14-7 works, the polishing driving piece drives the polishing head 14-7 to move and rotate in the inner hole to polish the hole wall 18-3 of the inner hole;

as shown in FIG. 11, the cleaning assembly comprises a cleaning manipulator 14-22, a cleaning connecting rod 14-13 and a detachable cleaning head 14-14 which is arranged at the lower end of the cleaning connecting rod 14-13 are arranged on the cleaning manipulator 14-22; a cleaning driving part which can drive the cleaning connecting rod 14-13 to drive the cleaning head 14-14 to extend into the inner hole of the connecting rod piece for cleaning is arranged at the cleaning manipulator 14-22; a cleaning spray head 14-15 which can spray cleaning agent in a rotating way is arranged below the cleaning through hole 14-12. When cleaning the inner bore of the connection rod, the surface of the cleaning head 14-14 is attached with cleaning matter, such as sandpaper or scouring pad, and since the cleaning head 14-14 is detachable, different surface attached cleaning matter can be replaced according to different inner bore requirements.

Wherein, the dust collection component comprises a dust collection funnel 14-8 and a dust collection pipeline 14-11 communicated with the lower end of the dust collection funnel 14-8; the upper end surface of the supporting frame is provided with supporting grooves 14-18, namely the upper end of an upper side frame 14-1 of the supporting frame is provided with supporting grooves 14-18, the side part of the dust collection funnel 14-8 is provided with a convex rib 14-9 which is lower than the opening end 14-10 of the dust collection funnel and can be movably clamped and fixed in the supporting groove 14-18; the end part of the opening end 14-10 of the dust collection funnel is attached to the lower end surface 14-24 of the workbench and communicated right below the grinding through hole 14-4. The dust suction pipeline 14-11 is connected with a fan, in the process that the grinding assembly grinds the inner hole of the connecting rod piece, through negative pressure airflow generated by the fan, scrap iron or dust generated after grinding enters the dust suction pipeline 14-11 through the opening part of the opening end 14-10 of the dust suction funnel, and the scrap iron and the dust are transferred to a designated area through the dust suction pipeline 14-11. The dust collection funnel 14-8 can be welded or clamped at the lower end of the workbench 14-3, and the scheme is preferably that the dust collection funnel 14-8 is clamped at the lower end of the workbench 14-3, so that the dust collection funnel 14-8 and the workbench 14-3 can be conveniently maintained and replaced.

As shown in FIG. 15, the upper end of the upper side frame 14-1 is provided with a supporting groove 14-18 which can position the dust collection funnel 14-8 and prevent the dust collection funnel 14-8 from shaking, and the dust collection funnel 14-8 is provided with a convex rib 14-9 which can be clamped in the supporting groove 14-18; as shown in figure 13, the lower end of the workbench 14-3 sinks inwards to form an inwards concave area shown as the E position, the convex rib 14-9 is arranged lower than the open end 14-10 of the dust collection funnel, after the convex rib 14-9 is clamped in the supporting groove 14-18 on the upper side frame 14-1, the open end 14-10 of the dust collection funnel extends into the inwards concave area shown as the E position in the workbench 14-3, and the end surface of the open end 14-10 of the dust collection funnel is contacted and attached to the lower end surface 14-24 of the workbench respectively, so that the dust collection funnel 14-8 and the grinding through hole 14-4 are sealed well. At the same time, as shown at N in fig. 15. The aperture of the opening of the open end 14-10 of the dust collection funnel is larger than that of the grinding through hole 14-4, so that the dust collection area of the dust collection funnel 14-8 is increased, the dust collection funnel 14-8 can completely absorb scrap iron and dust generated after grinding into the dust collection pipeline 14-11, and the working environment is protected. As shown in FIG. 14, the lower portion of the dust collection funnel 14-8 is a tapered funnel whose inner diameter is gradually reduced toward the dust collection pipe 14-11; the dust collection area of the dust collection funnel 14-8 is ensured through the opening of the opening end 14-10 of the large-aperture dust collection funnel, and the iron chips and dust are intensively guided into the dust collection pipeline 14-11 through the conical funnel, so that the dust collection efficiency can be enhanced. Other shapes of the suction funnel 14-8 may be provided as desired by those skilled in the art.

As shown in fig. 9 and 12, a clamping portion is provided on the work table 14-3 in the middle of the grinding through-hole 14-4 and the cleaning through-hole 14-12, the clamping portion includes a clamping runner 14-20 and two clamping blocks 14-19 provided on both axial sides of the connecting rod member, and the clamping blocks 14-19 can clamp or unclamp the connecting rod member on the clamping runner 14-20. When the connecting rod piece needs to be clamped, the two clamping blocks 14-19 are driven to slide towards the middle part along the clamping chutes 14-20 and clamp the connecting rod piece; when the connecting rod piece is to be released, the two clamping blocks 14-19 are driven to slide outwards along the clamping chutes 14-20 and release the connecting rod piece.

As shown in fig. 9 and 11, the lower inner side of the support frame is provided with a lower side frame 14-2, a dust suction pipe 14-11 passes through the middle part of the lower side frame 14-2 and discharges scrap iron or dust from the lower part of the lower side frame 14-2; as shown in fig. 11, the lower end of the cleaning spray head 14-15 is provided with a cleaning motor 14-16, and the cleaning spray head 14-15 is fixedly connected to the power output end of the cleaning motor 14-16; the lower side frame 14-2 is provided with a motor chute 14-17 for the cleaning motor 14-16 to move back and forth linearly, the cleaning motor 14-16 can convert the linear motion into rotary motion to drive the cleaning spray head 14-15 to uniformly spray cleaning agent to the inner hole of the connecting rod piece in a rotating way. The lower end of the cleaning motor 14-16 is provided with a bottom plate, the cleaning motor 14-16 can slide along the lower side frame 14-2 in a left-right straight line in a motor chute 14-17 through the bottom plate, meanwhile, the power output end of the cleaning motor 14-16 is fixedly connected with the cleaning spray head 14-15, and the cleaning motor 14-16 drives the cleaning spray head 14-15 to rotate in the inner hole of the connecting rod piece to spray cleaning agent to the inner hole wall 18-3.

The workbench 14-3 is movably connected to the upper end of the support frame, so that the workbench 14-3 can be conveniently replaced, and the connecting rod piece polishing and cleaning device is suitable for polishing and cleaning connecting rod pieces with different specifications and shapes; and the support frame is provided with a protective cover 14-21 which surrounds the outer side of the workbench 14-3 on three sides, the protective cover 14-21 can protect workers from being damaged by the grinding assembly and the cleaning assembly, and meanwhile, the grinded scrap iron and dust can be prevented from spreading to the surrounding air.

The polishing and cleaning steps of the inner hole polishing and cleaning device 14 comprise:

conveying a connecting rod piece to be polished and cleaned to a workbench 14-3, wherein two inner holes of the connecting rod piece are respectively positioned above a polished through hole 14-4 and above a cleaned through hole 14-12, specifically, an inner hole I18-1 is positioned above the polished through hole 14-4, and an inner hole II 18-2 is positioned above the cleaned through hole 14-12;

driving the two clamping blocks 14-19 to slide towards the middle part in the clamping chutes 14-20 to clasp and fix the connecting rod piece;

driving the grinding manipulator 14-5 to drive the grinding connecting rod 14-6 and the grinding head 14-7 to move downwards until the grinding head 14-7 is in contact with the hole wall 18-3 of the inner hole I18-1 of the connecting rod 14-6 to be ground, and starting to grind the inner hole I18-1;

fourthly, when the polishing head 14-7 polishes the inner hole I18-1, the dust collection assembly starts to work, and scrap iron and dust generated by polishing are discharged through the dust collection pipeline 14-11 through the dust collection hopper 14-8;

after the inner hole I18-1 of the connecting rod piece positioned below the grinding assembly is ground, the grinding manipulator 14-5 drives the grinding head 14-7 to return to the central position of the inner hole I18-1 and move upwards, and the grinding area of the inner hole I18-1 is removed;

sixthly, driving the two clamping blocks 14-19 to slide outwards in the clamping chutes 14-20 and loosening the connecting rod piece;

(VII) grabbing the connecting rod piece through an external conveying device and horizontally rotating the connecting rod piece by 180 degrees to realize that the connecting rod piece turns around on the workbench 14-3, wherein the polished inner hole I18-1 is positioned above the cleaning through hole 14-12, and the non-polished inner hole II 18-2 is positioned above the polishing through hole 14-4;

(eight) driving the two clamping blocks 14-19 to slide towards the middle part in the clamping chutes 14-20 again to hold the connecting rod piece tightly and fix the connecting rod piece;

ninthly, repeating the third step to the fifth step to finish polishing the inner hole II 18-2;

tenth, when the second inner hole 18-2 is ground in the ninth step, the cleaning nozzle 14-15 is driven to spray cleaning agent on the hole wall 18-3 of the first inner hole 18-1, and then the cleaning head 14-14 is driven to contact with the hole wall 18-3 of the first inner hole 18-1 and rotate to clean the hole wall 18-3;

after cleaning is finished, the cleaning manipulator 14-22 drives the cleaning head 14-14 to return to the central position of the inner hole I18-1 and move upwards, and the cleaning head is withdrawn from the cleaning area of the inner hole I18-1;

seventhly, repeating the step seven, and turning the workpiece around;

and (thirteen) repeating the step ten to finish the cleaning of the inner hole II 18-2.

Wherein the step (ten) is specifically as follows:

firstly, driving a cleaning motor 14-16 to slide to the lower part of a cleaning through hole 14-12, extending a cleaning spray head 14-15 into an inner hole I18-1 of a connecting rod piece, enabling the cleaning spray head 14-15 to rotate slowly, and spraying a cleaning agent onto a hole wall 18-3 of the inner hole I18-1 by the cleaning spray head 14-15 while rotating;

then, after the spraying of the cleaning agent is finished, driving the cleaning spray head 14-15 to move downwards and exit from the cleaning area of the first inner hole 18-1, and simultaneously driving the cleaning motor 14-16 to slide to a position far away from the cleaning through hole 14-12 along the motor sliding groove 14-17;

and finally, driving the cleaning manipulator 14-22 to drive the cleaning connecting rod 14-13 and the cleaning head 14-14 to move downwards until the cleaning head 14-14 is contacted with the hole wall 18-3 of the inner hole I18-1 and rotates to clean the hole wall 18-3 of the inner hole I18-1.

The node press-fitting device 12 comprises a bottom plate III 12-1, a support component B arranged at the upper end of the bottom plate III 12-1, a press-fitting component and a press-fitting head 12-39, wherein the support component B comprises a side support plate B12-2 vertically arranged at the upper end of the bottom plate III 12-1 and an upper support plate B12-31 positioned at the upper end of the side support plate B12-2 and provided with a middle through hole 12-33, and the support component B can transversely slide on the bottom plate III 12-1 as a whole; the press-fitting assembly is positioned among the bottom plate III 12-1, the upper supporting plate B12-31 and the side supporting plate B12-2 and can extend up and down through a middle through hole 12-33 of the upper supporting plate B12-31 to realize press-fitting of the rubber node 19, and the press-fitting assembly comprises two press-fitting units which are transversely aligned and can slide in the transverse direction; the connecting rod piece is arranged above the through holes 12-33 in the middle of the upper supporting plate B12-31, and two inner holes of the rod body 18 are respectively and coaxially arranged with the two press mounting units; the press-fit heads 12-39 are positioned directly above the inner bore of the shank 18 for press-fitting the rubber node 19 down into the inner bore of the shank 18. As shown in FIG. 16, the side support plates B12-2 are two and vertically symmetrically arranged, the upper support plate B12-31 is one and is arranged at the upper ends of the two side support plates B12-2 and connects the side support plates B12-2, and the press-fitting assembly is positioned between the bottom plate III 12-1, one upper support plate B12-31 and the two side support plates B12-2. The press fitting assembly comprises a guide plate 12-6 and a positioning bottom plate 12-9 arranged at the upper end of the guide plate 12-6 in a sliding manner; the press-fitting unit is arranged at the upper end of the positioning bottom plate 12-9 in a sliding manner, can slide vertically along with the guide plate 12-6 and can slide transversely along with the positioning bottom plate 12-9; the press-fitting unit comprises positioning discs 12-16 arranged on positioning bottom plates 12-9 in a transverse sliding mode, springs 12-19 located at the upper ends of the positioning discs 12-16, and an angle scale located at the upper ends of the springs 12-19, positioning cylinders 12-27 capable of extending up and down in middle through holes 12-33 are arranged at the upper ends of the angle scale, and the positioning cylinders 12-27 can be clamped in inner holes of rod bodies 18 of the connecting rod pieces to limit the connecting rod pieces.

As shown in fig. 16 and 17, a press-fitting manipulator 12-40 and a press-fitting press 12-44 are further arranged above the third bottom plate 12-1, and the press-fitting manipulator 12-40 is used for grabbing each component before, during and after press-fitting of the rubber node 19 and lubricating an inner hole of the rod body 18; the press-fitting press 12-44 is used to press the press-fitting heads 12-39 and press-fit the rubber nodes 19 into the inner bores of the rod bodies 18. As shown in fig. 17, the lower end of the press-fitting manipulator 12-40 is provided with a connecting rod 12-41, the lower end of the connecting rod 12-41 is provided with a detachable adapter, and when the press-fitting manipulator 12-40 is to perform a gripping action, the gripping head is connected to the lower end of the connecting rod 12-41; when it is desired to lubricate the inner bore of the rod body 18, a lubricator 12-42 is attached to the lower end of the connecting rod 12-41.

The press-fitting device in the embodiment can slide on the bottom plate III 12-1 to a designated processing station through the side supporting plate B12-2 in the supporting assembly B, for example, can slide to the position below the press-fitting manipulator 12-40 to perform a grabbing action, and can also slide to the position below the press-fitting press 12-44 to perform a press-fitting action; the connecting rod piece can extend up and down through the middle through holes 12-33 on the upper supporting plates B12-31 in the supporting assembly B through the press-fitting unit to compress the rubber node 19; the two press-fitting units which are transversely aligned can transversely slide to adjust the middle distance between the two press-fitting units so as to meet the requirement of the specific center distance of the connecting rod piece; two inner holes of the rod body 18 are respectively coaxially arranged with the two press-mounting units, and the press-mounting heads 12-39 are positioned right above the inner holes of the rod body 18, namely the press-mounting heads 12-39, the inner holes of the rod body 18 and the press-mounting units are coaxially arranged and then coaxially press-mounted; therefore, the automatic press fitting of the rubber nodes 19 in the connecting rod pieces is realized, the press fitting precision is ensured, and the press fitting efficiency is improved.

Wherein, as shown in fig. 16, the upper end of the bottom plate III 12-1 is provided with a first guide groove 12-45 which is transversely arranged, the lower end of the side support plate B12-2 extends into the first guide groove 12-45 and forms a first sliding table 12-3, so that the side support plate B12-2 can slide laterally on the upper end of the bottom plate three 12-1 along the guide groove one 12-45 with the press-fitting assembly, thereby adjusting the position of the whole press-fitting device on the bottom plate III 12-1, if the grabbing action is needed, the side supporting plate B12-2 can carry the press-fitting component to slide along the first guide groove 12-45 at the upper end of the third bottom plate 12-1 to the position below the press-fitting mechanical arm 12-40, when press-fitting is needed, the side supporting plate B12-2 can slide along the guide groove I12-45 at the upper end of the bottom plate III 12-1 to the position below the press-fitting press 12-44; and a second guide groove 12-4 which is vertically arranged is formed in the position, close to the side end face, of the inner side of the side supporting plate B12-2, so that the press-fitting assembly can vertically slide along the second guide groove 12-4.

As shown in fig. 16-20, the press-fitting assembly comprises a guide plate 12-6 and a positioning bottom plate 12-9 with a guide groove III 12-10 transversely arranged at the lower end; the outer side end of the guide plate 12-6 extends into the second guide groove 12-4 to form a second sliding table 12-7, and the guide plate 12-6 far away from the inner side of the second sliding table 12-7 extends upwards and extends into the third guide groove 12-10 to form a third sliding table 12-8; the two press-fitting units are slidably arranged at the upper end of the positioning bottom plate 12-9, and can slide vertically along with the guide plate 12-6 and can slide transversely along with the positioning bottom plate 12-9. The guide plate 12-6 is a connecting plate for realizing sliding of the press-mounting unit in the transverse direction and the vertical direction, the vertical sliding is realized through the matching of the second sliding table 12-7 in the guide plate 12-6 and the second guide groove 12-4 in the side support plate B12-2, and the transverse sliding is realized through the matching of the third sliding table 12-8 in the guide plate 12-6 and the third guide groove 12-10 in the positioning bottom plate 12-9.

The positioning bottom plate 12-9 is provided with a T-shaped guide rail 12-11, and the press-fitting unit comprises a positioning disc 12-16 positioned on the T-shaped guide rail 12-11; the upper end of the positioning bottom plate 12-9 is transversely provided with a fourth guide groove, and the lower end of the positioning disc 12-16 is transversely provided with a fifth guide groove; the lower end of the T-shaped guide rail 12-11 extends into the guide groove IV to form a sliding table IV 12-12, and the upper end of the T-shaped guide rail 12-11 extends into the guide groove V to form a sliding table V12-15; the two press-fitting units can slide transversely along the T-shaped guide rails 12-11 to adjust the middle distance between the two press-fitting units, so as to adjust the center distance between two rubber nodes 19 to be pressed. As shown in fig. 18, the T-shaped guide rails 12-11 are disposed on the positioning bottom plate 12-9 through countersunk screws, the number of the T-shaped guide rails 12-11 may be one, two or more, in this embodiment, the T-shaped guide rails 12-11 are disposed transversely on the middle of the positioning bottom plate 12-9, and those skilled in the art may also set the number of the T-shaped guide rails 12-11 to two or more according to actual working conditions; the positioning plates 12-16 are two positioning plates arranged on the T-shaped guide rails 12-11, the two positioning plates 12-16 are transversely aligned on the T-shaped guide rails 12-11, and the two positioning plates 12-16 can transversely slide on the positioning bottom plates 12-9 along the T-shaped guide rails 12-11, so that the distance between the center distances of the two positioning plates 12-16 can be adjusted according to the requirement of the center distance required by the connecting rod piece.

As shown in fig. 18-20, the press-fitting unit comprises springs 12-19 positioned on positioning plates 12-16, and angle plates and positioning cylinders 12-27 positioned at the upper ends of the springs 12-19; the upper ends of the positioning plates 12-16 are provided with guide tables 12-18, the lower ends of the angle plates are provided with lower positioning grooves I12-21, the lower ends of the springs 12-19 are sleeved outside the guide tables 12-18, and the upper ends of the springs 12-19 extend into and are connected with the lower positioning grooves I12-21. The guide table 12-18 and the lower positioning groove one 12-21 are used for limiting and guiding the spring 12-19.

The angle scale comprises a first angle scale 12-20 and a second angle scale 12-24, a first lower positioning groove 12-21 is arranged at the lower end of the first angle scale 12-20, a guide rod 12-17 used for slidably connecting the first positioning disc 12-16 and the first angle scale 12-20 is arranged at the upper end of the first positioning disc 12-16 and on the outer side of a spring 12-19, and the first angle scale 12-20 can vertically slide above the first positioning disc 12-16 along the guide rod 12-17; the upper end of the first angle scale 12-20 is provided with an upper positioning boss 12-22 and a mounting groove positioned on the peripheral side of the upper positioning boss 12-22, the lower end of the second angle scale 12-24 is provided with a second lower positioning groove matched with the upper positioning boss 12-22, and the second angle scale 12-24 is connected to the first upper positioning boss 12-22 of the first angle scale 12-20 through the second lower positioning groove and can rotate in the mounting groove to adjust the press-fitting angle of the rubber node 19. The first angle scale 12-20 is provided with a positioning hole at the position close to the outer peripheral surface and is connected to the upper end of the guide rod 12-17 through the positioning hole, the first angle scale 12-20 can drive the second angle scale 12-24 to slide up and down along the guide rod 12-17, and the second angle scale 12-24 can rotate in the mounting groove of the first angle scale 12-20 to adjust the press-fitting angle.

As shown in fig. 20, angle adjusting grooves 12-26 are formed in the outer walls of the circumferential sides of the angle scales two 12-24, bolt holes communicated with the angle adjusting grooves 12-26 are formed in the outer walls of the circumferential sides of the angle scales one 12-20, the angle scales two 12-24 are fixed to the inner sides of the angle scales one 12-20 through adjusting bolts 12-23 which extend into the angle adjusting grooves 12-26 from the bolt holes and can be screwed tightly, and the adjusted press-fitting angles of the angle scales one 12-20 and the angle scales two 12-24 can be fixed through the adjusting bolts 12-23; as shown in fig. 21, the inner side M of the upper end face of the first angle scale 12-20 is provided with a scale mark, the outer side N of the upper end face of the second angle scale 12-24 is provided with a scale mark, and according to the press-fitting angle requirement of the connecting rod piece, the second angle scale 12-24 is rotated in the mounting groove of the first angle scale 12-20 to adjust the position of the first angle scale 12-20, so that the scale marks corresponding to the first angle scale 12-20 and the second angle scale 12-24 are aligned, and the press-fitting angle is adjusted.

As shown in fig. 19 and 21, the upper ends of the angle scales two 12-24 are provided with upper positioning bosses two 12-25, the positioning cylinders 12-27 are connected to the upper ends of the angle scales two 12-24 through lower positioning grooves three which can be matched with the upper positioning bosses two 12-25, the positioning cylinders 12-27 are provided with flat square limiting holes one 12-30 which are matched with the flat square 19-4 of the core shaft 19-3 of the rubber node 19, the flat square limiting holes one 12-30 can realize positioning of the rubber node 19 during press mounting, and damage to the rubber node 19 and the rod body 18 caused by pressure deviation in the press mounting process can be avoided.

As shown in FIG. 18, the upper end of the side supporting plate B12-2 is provided with an upper supporting plate B12-31, the lower end of the upper supporting plate B12-31 near the side end surface is transversely provided with a connecting groove 12-38 which can be clamped at the upper end of the side supporting plate B12-2, the side end surface of the upper supporting plate B12-31 is provided with a connecting hole 12-37, the side supporting plate B12-2 is provided with a fastening hole communicated with the connecting hole 12-37, when the upper supporting plate B12-31 is clamped at the upper end of the side supporting plate B12-2 through the connecting groove 12-38, the positioning pin can be inserted into the connecting hole 12-37 of the upper supporting plate B12-31 and extends into the fastening hole of the side supporting plate B12-2 to fix the upper supporting plate B12-31 at the upper end of the side supporting plate B12-2 by using the positioning pin.

The upper end of the upper supporting plate B12-31 is transversely provided with an upper processing groove 12-32 with a middle through hole 12-33; the lower part of the outer peripheral surface of the positioning cylinder 12-27 is provided with positioning steps 12-29, the positioning cylinder 12-27 can extend above the upper support plate B12-31 through the middle through hole 12-33 and is contacted with the lower end of the upper support plate B12-31 through the positioning steps 12-29 so as to limit the highest lifting position of the positioning cylinder 12-27; during machining, the rod body 18 is arranged at the upper end of an upper supporting plate B12-31, the rod body 18 is connected to the positioning cylinder 12-27 through an inner hole, the rubber node 19 is pressed through the pressing head 12-39, at the moment, the positioning cylinder 12-27 moves downwards in the middle through hole 12-33 along with the rubber node 19, after pressing is completed, the positioning cylinder 12-27 rebounds upwards in the middle through hole 12-33 and extends to the upper part of the upper processing groove 12-32 under the action of the spring 12-19, and when the positioning step 12-29 is in contact with the lower end of the upper supporting plate B12-31, the positioning cylinder 12-27 rebounds to the limit position.

The inner diameter of the lower end face of the press-fitting head 12-39 is smaller than the inner diameter of the outer sleeve 19-1 of the rubber node 19, the outer diameter of the lower end face of the press-fitting head 12-39 is larger than the outer diameter of the outer sleeve 19-1 of the rubber node 19, namely, the pressing area of the lower end face of the press-fitting head 12-39 is large, the lower end face of the press-fitting head 12-39 can completely press and press the upper end face of the outer sleeve 19-1 of the rubber node 19 from inside to outside, so that the press-fitting surface of the press-fitting head 12-39, which is in contact with the rubber node 19, covers the upper end face of the outer sleeve 19-1 of the rubber node 19 during press-fitting, and the press-fitting effect is guaranteed.

As shown in fig. 17 and 18, the lower outer side of the side support plate B12-2 near the bottom plate three 12-1 is provided with a side connection plate 12-5 for limiting the lateral limit displacement position of the positioning bottom plate 12-9, the side connection plate 12-5 is fixed on the side end surface of the lower part of the side support plate B12-2 by bolting or welding and is connected between the two side support plates B12-2, and the side connection plate 12-5 is preferably welded on the two side support plates B12-2 in the embodiment; the side gusset 12-5 is adjacent to the upper end face of the bottom panel three 12-1 with a gap therebetween as indicated by S in fig. 6, so as to prevent interference of the side gusset 12-5 with the side gusset B12-2 sliding laterally on the bottom panel three 12-1 with the entire press-fitting device by abutting against the bottom panel three 12-1.

The press-fitting method of the node press-fitting device 12 is characterized in that the press-fitting device is adopted to press-fit rubber nodes 19 of connecting rods, and the press-fitting step comprises the following steps:

firstly, controlling the bottom plate III 12-1 through a program, so that the side supporting plate B12-2 transversely slides to a designated position along the first guide groove 12-45, and then the guide plate 12-6 downwards slides to the upper end of the bottom plate III 12-1 along the second guide groove 12-4;

secondly, the T-shaped guide rail 12-11 is arranged in a guide groove IV at the upper end of the positioning bottom plate 12-9, and the T-shaped guide rail 12-11 is locked at the upper end of the positioning bottom plate 12-9;

thirdly, 2 positioning discs 12-16 are assembled on the T-shaped guide rail 12-11 through a guide groove five and positioned above the positioning bottom plate 12-9, and 2 springs 12-19 are respectively sleeved outside guide tables 12-18 at the upper ends of the 2 positioning discs 12-16;

fourthly, the first angle scale 12-20 is installed on the guide rod 12-17, and the upper end of the spring 12-19 is fixed in the first lower positioning groove 12-21 at the lower end of the first angle scale 12-20;

fifthly, mounting the second angle scale 12-24 on the first upper positioning boss 12-22 of the first angle scale 12-20 through the second lower positioning groove, and enabling the second angle scale 12-24 to rotate in the mounting groove of the first angle scale 12-20;

sixthly, mounting the positioning cylinders 12-27 on the upper positioning bosses second 12-25 of the angle scale second 12-24 through the lower positioning grooves third, rotating the angle scale second 12-24 to adjust the positions of the angle scale first 12-20 according to the press-fitting angle requirement of the connecting rod piece, aligning the scale marks corresponding to the angle scale first 12-20 and the angle scale second 12-24, locking the adjusting bolts 12-23 to fix the angle scale first 12-20 and the angle scale second 12-24 after adjustment is finished, and fixing the press-fitting angle;

(VII) integrally grabbing the positioning bottom plate 12-9, the T-shaped guide rail 12-11, the positioning disc 12-16, the spring 12-19, the angle disc I12-20, the angle disc II 12-24 and the positioning cylinder 12-27 which are assembled in the step (six) and press-fitting angles of which are adjusted well to the guide plate 12-6 through an external robot, and slidably connecting the positioning bottom plate 12-9, the spring 12-19, the angle disc I12-20, the angle disc II 12-24 and the positioning cylinder 12-27 to a sliding table III 12-8 of the guide plate 12-6 through a guide groove III 12-10 at the lower end of the positioning bottom plate 12-9, performing process sequence control, adjusting the intermediate distances among the 2 positioning discs 12-16 according to the required central distance of a product, and sliding the positioning bottom plate 12-9 to a position contacted with the side connecting plate 12-5 towards the side connecting plate 12-5 along the guide plate 12-6;

(eight) grabbing the upper support plate B12-31 onto the side support plate B12-2 by an external robot and enabling the upper support plate B12-31 to be clamped at the upper end of the side support plate B12-2 through the connecting grooves 12-38, and inserting the positioning pins into the connecting holes 12-37 of the upper support plate B12-31 to fix the upper support plate B12-31 at the upper end of the side support plate B12-2;

ninth, the guide plate 12-6 is controlled by a program to slide upwards along the guide groove II 12-4 to the position, close to the lower end face of the upper support plate B12-31, of the positioning cylinder 12-27, the positions of the positioning bottom plate 12-9, the T-shaped guide rail 12-11, the positioning disc 12-16, the spring 12-19, the angle disc I12-20, the angle disc II 12-24 and the positioning cylinder 12-27 which are assembled in the program horizontal fine adjustment step (sixth) are started, and the press-fitting angle is adjusted, so that the 2 positioning discs 12-16, the 2 springs 12-19, the 2 angle disc I12-20, the 2 angle disc II 12-24 and the 2 positioning cylinders 12-27 are positioned in the central through holes and are positioned right below the circular through holes 15-5 with the same central distance as the corresponding connecting rod pieces;

(ten) the guide plate 12-6 is controlled by a program to continuously slide upwards along the second guide groove 12-4, at the moment, the positioning cylinder 12-27 extends out of the corresponding circular through hole 15-5 on the upper support plate B12-31, and when the positioning step 12-29 of the positioning cylinder 12-27 is contacted with the lower end surface of the upper support plate B12-31, the guide plate 12-6 stops sliding upwards;

eleventh, the adapter is replaced by a grabbing head through a program control pressing mechanical arm 12-40, the rod body 18 is grabbed above the upper supporting plate B12-31 and is limited on the outer peripheral surfaces of the 2 positioning cylinders 12-27 through inner holes respectively;

twelfth, the press-fitting mechanical hand 12-40 is controlled by a program to replace the adapter with the lubricator 12-42, the lubricator 12-42 is moved to a designated position above the inner hole of the rod body 18, then the lubricator 12-42 is controlled to move downwards to extend into the inner hole of the rod body 18 and rotate circumferentially, and lubricating grease is applied to the hole wall 18-3 of the inner hole of the rod body 18;

(thirteen) the adapter is replaced by a grabbing head through a program-controlled press-fitting manipulator 12-40, 2 rubber nodes 19 are grabbed at a rubber node conveying device 12-43 in sequence and the 2 rubber nodes 19 are respectively arranged at the upper ends of 2 positioning cylinders 12-27, and at the moment, a flat square 19-4 of a core shaft 19-3 of each rubber node 19 is arranged in a flat square limiting hole I12-30 of each positioning cylinder 12-27, so that the rubber node 19 is limited in the press-fitting process;

and (fourteen) sequentially grabbing 2 press-fitting heads 12-39 by a program-controlled press-fitting manipulator 12-40, and respectively placing the 2 press-fitting heads 12-39 at the upper ends of two rubber nodes 19, wherein the flat square 19-4 of the mandrel 19-3 at one end of the rubber node 19, which is far away from the positioning cylinder 12-27, is limited in a second flat square 19-4 limiting hole of the press-fitting heads 12-39. The second flat square 19-4 limiting hole can realize the positioning of the rubber node 19 during press mounting, and can avoid the damage to the rubber node 19 and the rod body 18 caused by pressure deviation in the press mounting process;

fifteenth) by program control of bottom plate three 12-1, side support plate B12-2 is moved laterally along guide slot one 12-45 with the press fitting device holding rod body 18 and rubber node 19 in position in step (fourteen) until rubber node 19, which is adjacent to press fitting press 12-44, is located directly below press fitting press 12-44;

sixthly, controlling the press-fitting press 12-44 to move downwards through a program, starting to record and monitor the press-fitting force of the rubber node 19I in the press-fitting process when the press-fitting press 12-44 is in contact with the upper end face of the press-fitting head 12-39, and simultaneously press-fitting the rubber node 19I into the inner hole of the rod body 18 below the rubber node 19I;

seventhly, controlling the press-fitting press 12-44 to ascend through a program, controlling the side supporting plate B12-2 to carry the whole press-fitting device for press-fitting the rubber node 19I in the step sixteen to continuously slide transversely until the press-fitting head 12-39 above the rubber node 19 II is arranged right below the press-fitting press 12-44, and repeating the operation in the step sixteen to finish the press-fitting of the rubber node 19 II;

eighteen, after the press-fitting is finished, driving the press-fitting machine 12-44 to ascend, simultaneously controlling the side supporting plate B12-2 to drive the press-fitting device with the rubber nodes 19 press-fitted in the seventeen step to integrally slide to the specified position on the bottom plate III 12-1, controlling the press-fitting manipulator 12-40 to grab and take off 2 press-fitting heads 12-39 through a program, and grabbing the press-fitted connecting rod piece to the specified position;

and (nineteenth) at the moment, the first angle scale 12-20, the second angle scale 12-24 and the positioning disc 12-16 rebound to the position in the step (ten) under the action of the springs 12-19, and meanwhile, the press fitting of the next node is waited.

The middle through holes 12-33 in this embodiment include two symmetrically arranged circular through holes and a straight through hole connecting the two circular through holes, and those skilled in the art can also set the middle through holes 12-33 of the upper support plates B12-31 to include a plurality of circular through holes with different diameters matching with the inner hole of the rod body 18 and symmetrically arranged circular through holes according to actual needs, so as to press-fit connection rod pieces with different center distances and different diameters. As shown in FIG. 22, the middle through holes 12-33 in the present embodiment specifically include two symmetrically disposed first circular through holes 12-34 located at the outermost sides of the middle through holes 12-33, two symmetrically disposed second circular through holes 12-35 located at the inner sides of the two first circular through holes 12-34, and two symmetrically disposed third circular through holes 12-36 located at the inner sides of the two second circular through holes 12-35. For connecting rod pieces with different apertures or connecting rod pieces with different center distance requirements, two circular through holes I12-34 or two circular through holes II 12-35 or two circular through holes III 12-36 matched with the corresponding connecting rod pieces can be selected for processing. The person skilled in the art can also arrange the middle through holes 12-33 into other numbers, hole diameters, shapes or positions of through holes according to the actual working requirements.

As shown in fig. 4, the overhaul line for connecting rubber nodes 19 in the rod pieces further comprises a product loading platform 5, the connecting rod piece storage and transportation module comprises an intelligent vertical warehouse 1, an AGV transportation line one 4 and an AGV transportation trolley one 3, the intelligent vertical warehouse 1 is used for storing the connecting rod pieces to be overhauled, the AGV transportation line one 4 is used for connecting the intelligent vertical warehouse 1 and the product loading platform 5 and transporting the connecting rod pieces to be overhauled in the intelligent vertical warehouse 1 to the product loading platform 5 through the AGV transportation trolley one 3; rubber node deposits fortune module includes that the node deposits upright storehouse 6, node external diameter detection device 7, two 8 and AGV travelling bogie two in the AGV line of transportation, the upright storehouse 6 is deposited for the subregion and deposits the new rubber node 19 of treating the pressure equipment, node external diameter detection device 7 is used for depositing the external diameter of the rubber node 19 in the upright storehouse 6 to the node and detects, AGV two 8 in the line of transportation are used for connected node to deposit upright storehouse 6, node external diameter detection device 7 and node pressure equipment device 12 and detect qualified pressure equipment rubber node 19 of treating and transport to node pressure equipment device 12 department with node external diameter detection device 7 through AGV travelling bogie two.

The method for overhauling the rubber node in the connecting rod piece is used for overhauling the rubber node 19 of the connecting rod piece, and is characterized by comprising the following steps of:

firstly, taking out the rubber nodes 19 to be pressed from the node storage vertical warehouse 6 through an AGV (automated guided vehicle) second transport trolley, and transporting the rubber nodes to the node outer diameter detection device 7 through an AGV transport line II 8 for detection;

after the detection of the outer diameter size of the press-fitting rubber node 19 is finished, the rubber node is conveyed to the node press-fitting device 12 through an AGV conveying trolley II along an AGV conveying line II 8;

thirdly, taking out the connecting rod pieces to be overhauled from the intelligent vertical warehouse 1 through an AGV transporting trolley I3 while performing the first step and the second step, and transporting the connecting rod pieces to be overhauled to an upper line product platform 5 through an AGV transporting line I4;

fourthly, the connecting rod piece to be overhauled is conveyed to the node rigidity detection device 16 through the conveying device to carry out rigidity detection on the rubber node 19, and the connecting rod piece with unqualified rigidity detection is conveyed to the node withdrawing device 15 through the conveying device to withdraw the node;

(V) the rubber node 19 is conveyed to the inner hole polishing and cleaning device 14 by the rod body 18 of the withdrawn connecting rod piece through the conveying device, and the inner hole of the rod body 18 is polished and cleaned;

conveying the rod body 18 with the polished and cleaned inner hole to the inner hole size detection device 13 through the conveying device, detecting the inner diameter of the inner hole of the rod body 18, and conveying the rod body 18 with the qualified inner diameter detection of the inner hole of the rod body 18 to the node press-fitting device 12 through the conveying device;

seventhly, pressing the rubber nodes 19 to be pressed and conveyed by the AGV transporting trolley II into the inner hole of the rod body 18 with the inner diameter of the inner hole qualified through detection through the node pressing device 12;

(VIII) conveying the press-mounted connecting rod pieces to a component size detection device 11 through a conveying device, and detecting all sizes of the connecting rod pieces through a size detection module;

(ninth), conveying the qualified connecting rod pieces detected by the assembly size detection device 11 to the offline product platform 9 through a conveying device, and waiting for conveying the connecting rod pieces to a finished product area;

and (ten) completing the maintenance of the rubber node 19 in the connecting rod piece, and waiting for the online maintenance of the rubber node 19 in the next connecting rod piece.

It should be noted that, in practical application conditions, for the connection rod that does not need to be operated in the whole process from the node rigidity detection device 16 to the assembly size detection device 11, the connection rod can be operated correspondingly only in the corresponding station according to practical situations in the rubber node maintenance module. If the rubber nodes 19 in the connecting rods do not need rigidity detection, the node rigidity detection device 16 can be skipped, and the connecting rods which do not need rigidity detection are directly grabbed to other required stations by the transport robot 10 to carry out corresponding operation; if the connecting rod piece only needing to be subjected to node withdrawal, the connecting rod piece can be directly grabbed to the node withdrawal device 15 to be subjected to node withdrawal, if the connecting rod piece only needing to be subjected to node press mounting, the rod body 18 can be directly grabbed to the node press mounting device 12 to be subjected to node press mounting, and if the connecting rod piece only needing to be subjected to inner hole cleaning and polishing, the rod body 18 can be directly grabbed to the inner hole polishing and cleaning device 14 to clean and polish the inner hole.

The above are merely examples of the present invention, and the present invention is not limited to the field related to the embodiments, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much. It should be noted that, for those skilled in the art, without departing from the scope of the present invention, several variations and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The overhaul line is characterized by comprising a connecting rod piece storing and transporting module, a rubber node storing and transporting module and a rubber node overhaul module, wherein the connecting rod piece storing and transporting module transports a connecting rod piece of a rubber node (19) to be overhauled to the rubber node overhaul module for overhaul, and the rubber node storing and transporting module transports a new rubber node (19) to be pressed to the rubber node overhaul module for pressing the new rubber node (19); a conveying device is arranged among the connecting rod piece storing and conveying module, the rubber node storing and conveying module and the rubber node overhauling module and is used for conveying the connecting rod piece and the rubber node (19) among all working procedures in the overhauling process; the rubber node overhauling module sequentially comprises a node rigidity detecting device (16), a node withdrawing device (15), an inner hole polishing and cleaning device (14), an inner hole size detecting device (13), a node press-mounting device (12) and a component size detecting device (11) according to an overhauling process; the node rigidity detection device (16) is used for carrying out rigidity detection on a rubber node (19) of the connecting rod piece to be overhauled and conveyed by the rubber node storage and transportation module, and the node withdrawing device (15) is used for carrying out node withdrawing operation on the connecting rod piece with unqualified rigidity detection on the rubber node (19); the inner hole polishing and cleaning device (14) is used for polishing and cleaning the inner hole of the rod body (18) of the connecting rod piece after the node is removed; the inner hole size detection device (13) is used for detecting the inner diameter of the inner hole of the rod body (18) which finishes inner hole polishing and cleaning; the node press-fitting device (12) is used for press-fitting the new rubber nodes (19) to be press-fitted, which are conveyed by the rubber node storage and transportation module, into the inner holes of the rod bodies (18) of the connecting rod pieces detected by the inner hole size detection device (13); the component size detection device (11) is used for detecting the symmetry and the angle of the connecting rod piece after the new rubber node (19) is pressed and installed.

2. The overhaul line for the rubber nodes in the connecting rods according to claim 1, wherein the node rigidity detection device (16) comprises a first bottom plate (16-1), a support table (16-2) with a through groove (16-3) formed in the middle is slidably arranged at the upper end of the first bottom plate (16-1), the through groove (16-3) is used for accommodating the connecting rods to be subjected to rigidity detection, and a clamping table (16-7) used for limiting the flat square (19-4) of a mandrel (19-3) of the rubber node (19) in the connecting rod is arranged on the upper end face of the support table (16-2); the connecting end at one side of the connecting rod piece can extend into the placing through groove (16-3), and the connecting rod piece is limited on the clamping table (16-7) through the flat square (19-4) of the mandrel (19-3) of the rubber node (19) in the connecting end at the other side; the upper end of the rod body (18) is provided with a rigidity pressure head (16-9), and a rigidity press (16-10) is arranged above the rigidity pressure head (16-9).

3. The maintenance line for the rubber nodes in the connecting rods according to claim 2, characterized in that the node withdrawing device (15) comprises a second bottom plate (15-1), a support assembly A arranged at the upper end of the second bottom plate (15-1) and a withdrawing assembly arranged on the support assembly A, the withdrawing assembly comprises a receiving cylinder (15-7) and a withdrawing pressure head (15-11), the lower end of the receiving cylinder (15-7) is provided with a first driving member capable of driving the receiving cylinder (15-7) to extend and retract up and down, and the first driving member is arranged at a connecting plate assembly capable of driving the receiving cylinder (15-7) to slide transversely; the supporting component A is provided with a circular through hole (15-5), the supporting component A comprises a limiting supporting cylinder (15-15) which is coaxially communicated with the circular through hole (15-5) and is positioned above the circular through hole (15-5), a connecting rod piece of a node to be withdrawn is arranged at the upper end of the limiting supporting cylinder (15-15), a withdrawing pressure head (15-11) is arranged at the upper end of an outer sleeve (19-1) of a rubber node (19), and a receiving cylinder (15-7) can extend upwards from the circular through hole (15-5) into the inner side of the lower part of the limiting supporting cylinder (15-15) to bear the withdrawn rubber node (19); the withdrawing pressure head (15-11) can withdraw the rubber node (19) downwards from the inner hole of the rod body (18) and is received by the receiving cylinder (15-7).

4. The service line of the rubber node in the connection rod according to claim 3, wherein the receiving cylinder (15-7) is provided with a first receiving hole (15-8) having an upward opening, an inner diameter of the first receiving hole (15-8) is larger than an outer diameter of a lower end face of the axial center (19-5) of the mandrel (19-3), and an inner diameter of the first receiving hole (15-8) is smaller than an outer diameter of an outer sleeve (19-1) of the rubber node (19) and not smaller than an inner diameter of the outer sleeve (19-1) of the rubber node (19); when the rubber node (19) is received, the lower end face of an outer sleeve (19-1) of the rubber node (19) is in contact with the upper end face of a receiving cylinder (15-7), and the lower part of an axis (19-5) of a lower end mandrel (19-3) of the rubber node (19) and a flat square (19-4) are positioned in a first accommodating hole (15-8); the upper end face of the limiting support cylinder (15-15) sinks to form a limiting step I (15-16) for positioning the connecting rod piece; a second accommodating hole (15-12) is formed in the withdrawing pressure head (15-11), the outer diameter of the lower end face of the withdrawing pressure head (15-11) is smaller than the bore diameter of the inner bore of the rod body (18), and the inner diameter of the lower end face of the withdrawing pressure head (15-11) is larger than the outer diameter of the upper end face of the shaft center (19-5) of the rubber node (19) mandrel (19-3) and not smaller than the inner diameter of the outer sleeve (19-1) of the rubber node (19); the upper end part of the withdrawing pressure head (15-11) protrudes to the circumferential outer side to form a limiting convex rib (15-13), and the height of the barrel part (15-14) of the withdrawing pressure head (15-11) positioned at the lower end of the limiting convex rib (15-13) is greater than that of the inner hole of the rod body (18); when the node withdrawing operation is carried out, the lower end face of the withdrawing pressure head (15-11) is contacted with the upper end face of the outer sleeve (19-1) of the rubber node (19), and after the rubber node (19) leaves the inner hole of the rod body (18), the withdrawing pressure head (15-11) is limited on the end face of the rod body (18) through the limiting convex ribs (15-13).

5. The maintenance line of the rubber node in the connecting rod piece of claim 4, characterized in that the inner hole polishing and cleaning device (14) comprises a supporting frame and a workbench (14-3) positioned at the upper end of the supporting frame, and the workbench (14-3) is provided with a processing through hole matched with the inner hole of the connecting rod piece; a polishing assembly and a cleaning assembly are arranged above the processing through hole, the polishing assembly is used for polishing the inner hole of the connecting rod piece, and the cleaning assembly is used for cleaning the polished inner hole of the connecting rod piece; a dust collection assembly is arranged below the processing through hole corresponding to the grinding assembly and used for cleaning scrap iron or dust generated after the grinding assembly grinds the inner hole; the worktable (14-3) is also provided with a clamping part for clamping the connecting rod piece to be processed.

6. The service line of rubber nodes in connecting rods of claim 5, characterized in that the node press-fitting device (12) comprises a bottom plate III (12-1), a supporting component B arranged at the upper end of the bottom plate III (12-1), a press-fitting component and a press-fitting head (12-39), wherein the supporting component B comprises a side supporting plate B (12-2) vertically arranged at the upper end of the bottom plate III (12-1) and an upper supporting plate B (12-31) arranged at the upper end of the side supporting plate B (12-2) and provided with a middle through hole (12-33), and the supporting component B can slide transversely on the bottom plate III (12-1) as a whole; the press-fitting assembly is positioned among the third bottom plate (12-1), the upper supporting plate B (12-31) and the side supporting plate B (12-2) and can stretch up and down through a middle through hole (12-33) of the upper supporting plate B (12-31) to press-fit the rubber node (19), and the press-fitting assembly comprises two press-fitting units which are transversely aligned and can slide in the transverse direction; the connecting rod piece is arranged above the middle through hole (12-33) of the upper supporting plate B (12-31), and two inner holes of the rod body (18) are respectively and coaxially arranged with the two press-mounting units; the press-fitting heads (12-39) are positioned right above the inner hole of the rod body (18) and used for press-fitting the rubber node (19) downwards into the inner hole of the rod body (18).

7. The service line of rubber nodes in a connecting rod member according to claim 6, wherein the press-fitting assembly comprises a guide plate (12-6) and a positioning bottom plate (12-9) slidably disposed at the upper end of the guide plate (12-6); the press-fitting unit is arranged at the upper end of the positioning bottom plate (12-9) in a sliding manner, can slide vertically along with the guide plate (12-6) and can slide transversely along with the positioning bottom plate (12-9); the press-fitting unit comprises a positioning disc (12-16) which is transversely arranged on a positioning bottom plate (12-9) in a sliding manner, springs (12-19) which are positioned at the upper ends of the positioning disc (12-16) and an angle scale which is positioned at the upper ends of the springs (12-19), positioning cylinders (12-27) which can vertically extend in the middle through holes (12-33) are arranged at the upper ends of the angle scale, and the positioning cylinders (12-27) can be clamped in inner holes of the rod bodies (18) of the connecting rod pieces to limit the connecting rod pieces.

8. The overhaul line for the rubber nodes in the connection rods according to any one of claims 1 to 7, characterized in that the overhaul line further comprises a product on-line platform (5), the connection rod storage and transportation module comprises an intelligent vertical warehouse (1), an AGV first transportation line (4) and an AGV first transportation trolley (3), the intelligent vertical warehouse (1) is used for storing the connection rods to be overhauled, the AGV first transportation line (4) is used for connecting the intelligent vertical warehouse (1) and the product on-line platform (5) and transporting the connection rods to be overhauled in the intelligent vertical warehouse (1) to the product on-line platform (5) through the AGV first transportation trolley (3); rubber node deposits fortune module includes that the node deposits upright storehouse (6), node external diameter detection device (7), AGV transport line two (8) and AGV travelling bogie two, the node is deposited upright storehouse (6) and is used for the subregion to deposit new rubber node (19) of treating the pressure equipment, node external diameter detection device (7) are used for depositing the external diameter of rubber node (19) in the upright storehouse (6) to the node and detect, AGV transport line two (8) are used for connected node to deposit upright storehouse (6), node external diameter detection device (7) and node pressure equipment device (12) and detect qualified pressure equipment rubber node (19) of treating of waiting of node external diameter detection device (7) and transport to node pressure equipment device (12) department through AGV travelling bogie two.

9. A method for repairing a rubber node in a connecting rod, wherein the method for repairing a rubber node (19) of a connecting rod is performed by using the repairing line of claim 8, characterized by comprising the steps of:

the rubber node (19) to be pressed is taken out from the node storage vertical warehouse (6) through an AGV transporting trolley II and is transported to a node outer diameter detection device (7) through an AGV transporting line II (8) for detection;

after the detection of the outer diameter size of the press-fitting rubber node (19) is finished, the AGV transporting trolley II is used for transporting the rubber node to a node press-fitting device (12) along a second AGV transporting line (8);

thirdly, taking out the connecting rod pieces to be overhauled from the intelligent vertical warehouse (1) through the AGV first conveying trolley (3) while performing the first step and the second step, and conveying the connecting rod pieces to be overhauled to an upper line product platform (5) through the AGV first conveying line (4);

conveying the connecting rod piece to be overhauled to a node rigidity detection device (16) through a conveying device to perform rigidity detection on the rubber node (19), and conveying the connecting rod piece with unqualified rigidity detection to a node withdrawing device (15) through the conveying device to withdraw the node;

(V) the rubber node (19) is conveyed to the inner hole polishing and cleaning device (14) by the withdrawn rod body (18) of the connecting rod piece through the conveying device, and the inner hole of the rod body (18) is polished and cleaned;

conveying the rod body (18) with the polished and cleaned inner hole to an inner hole size detection device (13) through a conveying device, detecting the inner diameter of the inner hole of the rod body (18), and conveying the rod body (18) with qualified inner diameter detection of the inner hole of the rod body (18) to a node press-fitting device (12) through the conveying device;

seventhly, pressing the rubber nodes (19) to be pressed and conveyed by the AGV transporting trolley II into the inner hole of the rod body (18) with the inner diameter of the inner hole qualified through detection through a node pressing device (12);

(VIII) conveying the press-fitted connecting rod pieces to a component size detection device (11) through a conveying device, and detecting the sizes of the connecting rod pieces through a size detection module;

ninthly, conveying the connecting rod pieces qualified by the detection of the assembly size detection device (11) to an off-line product platform (9) through a conveying device, and waiting for the conveying of the connecting rod pieces to a finished product area;

and (ten) completing the maintenance of the rubber node (19) in the connecting rod piece and waiting for the online maintenance of the next connecting rod piece.