CN115592474B

CN115592474B - Multi-station machining equipment and machining method

Info

Publication number: CN115592474B
Application number: CN202211615910.1A
Authority: CN
Inventors: 方伟豪; 余乐平
Original assignee: Langkuai Intelligent Technology Hangzhou Co ltd
Current assignee: Langkuai Intelligent Technology Hangzhou Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-03-10
Anticipated expiration: 2042-12-16
Also published as: CN115592474A

Abstract

The invention relates to the field of automation equipment, and particularly discloses multi-station machining equipment and a multi-station machining method. The multi-station processing equipment comprises a rack, a rotary clamp seat, a feeding module and a transposition module, wherein the rack is provided with a plurality of stations, and the stations comprise a feeding station, a discharging station, a transposition station and at least two processing stations; the rotary clamp seat is rotatably and movably connected with the rack, and the rack is also provided with a main power unit for driving the rotary clamp seat to rotate; the feeding module is connected with the rack and comprises a cutting assembly and a clamping and feeding assembly, and the clamping and feeding assembly comprises a feeding chuck and a feeding driving unit; the indexing module is connected with the rack and comprises a blank clamping unit and an indexing driving unit. The multi-station processing equipment can automatically complete operations such as blanking, cutting processing, transposition clamping and the like, realizes automatic pulse type processing from bars to products, and improves production efficiency.

Description

Multi-station machining equipment and machining method

Technical Field

The invention relates to the field of automation equipment, in particular to multi-station processing equipment and a processing method.

Background

The multi-station processing equipment aims at machining of complex parts with small size, complex processing and multiple processing procedures, such as valve bodies in various pneumatic and hydraulic control equipment. The cutting part of the complex part often comprises a positioning surface, a connecting surface, a sealing surface, various fluid channels and the like, wherein the fluid channels comprise planes, curved surfaces, holes, threads and the like, the number of cutting procedures can even reach two digits, and correspondingly, a plurality of cutters are required to be matched to complete each machining operation. The processing mode commonly used at present is to finish processing through a plurality of devices and a plurality of times of clamping, so that the efficiency is low, the relative position precision between each processing surface is influenced in the process of clamping for a plurality of times, and the processing quality of products is reduced. In addition, the machining of the products can be completed through a numerical control machining center, but the machining efficiency of the machining center is low, the machining center can only adapt to the machining of small-batch products, the products are generally machined in large batches, and the machining center is difficult to meet the economic requirement.

Disclosure of Invention

The invention aims to provide multi-station processing equipment and a processing method, which can automatically complete operations such as blanking, cutting processing, transposition clamping and the like, realize automatic pulse type processing from bars to products and improve the production efficiency.

In order to solve the technical problems, the technical scheme provided by the invention is as follows: a multi-station processing apparatus comprising at least:

the automatic feeding device comprises a rack, wherein a plurality of stations are arranged on the rack, the station comprises a feeding station, a discharging station, a transposition station and at least two processing stations, and each processing station is provided with a processing unit;

the rotary clamp seat is rotatably and movably connected with the rack, and the rotary center is horizontally arranged; the rack is also provided with a main power unit for driving the rotary clamp seat to rotate relative to the rack;

the two sides of the rotary clamp seat are respectively provided with a clamp unit, and the clamp units are transferred among all stations along with the rotary motion of the rotary clamp seat;

the feeding module is connected with the rack and is positioned at a feeding station; the feeding module comprises a cutting assembly and a clamping and feeding assembly, the clamping and feeding assembly comprises a feeding chuck and a feeding driving unit, and the feeding driving unit drives the feeding chuck to move relative to the rotary clamp seat; the cutting-off assembly comprises a cutting-off tool and a feed driving unit, and the feed driving unit drives the cutting-off tool to move relative to the clamping and feeding assembly;

the indexing module is connected with the rack and is positioned at an indexing station; the indexing module comprises a blank clamping unit and an indexing driving unit, and the indexing driving unit is used for driving the blank clamping unit to clamp a blank and transfer the blank from the clamp unit on one side of the rotary clamp seat to the clamp unit on the other side of the rotary clamp seat.

When the automatic feeding and cutting device is used for machining, the clamping and feeding assembly clamps a bar and conveys the bar to the corresponding clamp unit, the cutting assembly cuts off the bar, and the clamping and feeding assembly and the cutting assembly complete automatic feeding and cutting operation of the bar together. The main power module is used for driving the rotary clamp seat to rotate relative to the rack, and simultaneously completing the rotary motion of the clamp unit and the clamped blank, so that the blank is transferred between stations on the same side, and the machining operation is performed on each machining station, and the machining efficiency is improved in a pulse machining mode.

The transposition module can automatically transfer the blank from the clamp unit on one side of the rotary clamp seat to the clamp unit on the other side, can realize the switching of the clamping position and the adjustment of the clamping position of the blank in the transposition process, further enriches the processing procedure in a secondary clamping mode in a limited space, eliminates the dead angle of a processing surface, and can well adapt to the processing requirements of various parts with small volume and complex structure.

Preferably, the rack comprises a first lateral mounting plate and a second lateral mounting plate, the first lateral mounting plate and the second lateral mounting plate are arranged along the vertical direction, a processing area is formed between the first lateral mounting plate and the second lateral mounting plate, and the rotary clamp seat is positioned in the processing area;

the feeding station is arranged on the first lateral mounting plate, and the discharging station is arranged on the second lateral mounting plate; the first lateral mounting plate and the second lateral mounting plate are respectively provided with at least one processing station;

the transposition station comprises a material taking station and a material receiving station, wherein the material taking station is arranged on the first lateral mounting plate, the material receiving station is arranged on the second lateral mounting plate, and the material taking station and the material receiving station are oppositely arranged left and right relative to the rotary clamp seat.

Preferably, the transposition module comprises a material taking assembly and a material receiving assembly, the material taking assembly is arranged at a material taking station, and the material receiving assembly is arranged at a material receiving station;

the material taking assembly and the material receiving assembly respectively comprise a blank clamping unit, a transverse driving unit and a longitudinal driving unit, and the transverse driving unit and the longitudinal driving unit are used for driving the corresponding blank clamping units to move; the blank clamping units of the material taking assembly and the material receiving assembly are arranged oppositely left and right relative to the rotary clamp seat.

Through getting the material subassembly and receiving the material subassembly components of a whole that can function independently complex form, can simplify the drive structure of blank clamping unit to a certain extent to reduce the whole range of motion of transposition module, have simple structure, the operation is reliable to the advantage.

Preferably, the rack further comprises a circumferential mounting plate, the circumferential mounting plate is arranged on the outer side of the rotary clamp seat and is annularly distributed around the axis of the rotary clamp seat; the circumferential mounting plate is provided with at least one processing station.

The arrangement of the circumferential mounting plate and the corresponding processing stations can further enrich the lateral processing requirements of parts, further eliminate processing dead angles and enrich processing procedures.

Preferably, the stations on the first lateral mounting plate correspond to the stations on the second lateral mounting plate one by one and are opposite to the rotary clamp seats from left to right;

the feeding station and one of the processing stations are opposite to the rotary clamp seat from left to right, and the blanking station and one of the processing stations are opposite to the rotary clamp seat from left to right; in the direction of rotation along the rotary fixture seat, get the material station and set up with the material loading station is adjacent, just the material loading station be located get the material station after, connect material station and unloading station adjacent setting, just connect the material station be located unloading station after.

Each station is left and right sides opposition form and distributes, can be convenient for set up the rotatory beat of rotary fixture seat, can improve whole machining efficiency through rationally setting up the processing beat.

Preferably, the device also comprises a feeding module, and a feeding control assembly is arranged between the feeding module and the feeding module;

the feeding module comprises a bar clamping unit and a feeding driving assembly, and the feeding driving assembly is used for driving the bar clamping unit to reciprocate relative to the feeding module;

the feeding control assembly comprises a first sensor and a second sensor which are sequentially distributed along the conveying direction of the feeding module;

the first sensor and the second sensor are used for sensing whether bars exist in the corresponding areas or not and controlling the working states of the clamping and feeding assembly and the feeding module.

When the first sensor and the second sensor simultaneously sense the existence of the bar stock, the feeding of the bar stock is mainly carried out by using the feeding module, and the clamping feeding assembly is used as an auxiliary and plays a role in clamping and positioning the bar stock when the bar stock is cut off. When the first sensor loses the bar stock existence signal and the second sensor senses that the bar stock exists, the remaining bar stock is less, the feeding of the bar stock is completed by the clamping feeding assembly, and the feeding module stops working. When the first sensor and the second sensor lose the bar stock existence signal at the same time, the feeding module works again, a new bar stock is clamped and fed to the first sensor to sense the existence of the bar stock again, and the feeding module stops working until the previous bar stock is completely used up.

Preferably, the rack is further provided with a bar stock limiting unit, and the bar stock limiting unit is provided with a bar stock channel.

Because bar length is longer, at the in-process that the centre gripping was fed, can have certain deformation under the action of gravity, and the setting up of the spacing unit of bar can play the auxiliary stay effect to the bar, guarantees that the part that the bar reachd the centre gripping and feed the subassembly is stable basically, and the in-process that cuts off at the bar simultaneously can play spacing cushioning effect, improves and cuts off the precision.

Preferably, the device also comprises a hydraulic control system, wherein the hydraulic control system comprises a high-pressure liquid source, a clamping control module and a processing control module;

the high-pressure liquid source comprises an oil storage unit and an oil cooling unit;

the clamping control module comprises a main oil inlet channel, a main oil return channel, a pressure relief channel and a plurality of groups of control shunts, and each station corresponds to one group of control shunts; the control branches are respectively provided with a control valve;

the main oil inlet channel is provided with a driving pump and a high-pressure filter, and the main oil return channel is provided with an air cooling unit and a low-pressure filter;

an inlet of the pressure relief passage is communicated with the main oil inlet passage, an outlet of the pressure relief passage is communicated with the oil storage unit, and a pressure relief valve is arranged on the pressure relief passage;

the processing control module comprises a processing oil inlet channel, a processing oil return channel and oil using units corresponding to the processing units, and the oil using units are respectively communicated with the processing oil inlet channel and the processing oil return channel; the processing oil inlet channel is provided with a driving pump and a high-pressure filter, and the processing oil return channel is provided with a low-pressure filter.

A processing method of a control valve body adopts the multi-station processing equipment;

at least comprises the following steps:

s1, feeding: the clamping and feeding component clamps the bar stock and feeds the bar stock to a first clamp unit positioned at the feeding station, the first clamp unit clamps the end part of the bar stock, and the cutting component cuts the bar stock at a set length position to form a blank;

s2, processing: the main power unit works, the rotary clamp seat rotates, the first clamp unit is transferred to a corresponding machining station from a feeding station, and the machining unit corresponding to the machining station performs machining operation on the blank;

s3, transposition: the main power unit works, the rotary clamp seat continues to rotate, and the first clamp unit is transferred to the transposition station; the transposition module takes down the blank on the first clamp unit and transfers the blank to a second clamp unit corresponding to the other side of the rotary clamp seat, and the second clamp unit clamps the blank;

s4, processing: the main power unit works, the rotary clamp seat continues to rotate, the second clamp unit is transferred to the corresponding machining station, and the machining unit corresponding to the machining station performs machining operation on the blank;

s5, blanking: the main power unit works, the rotary clamp seat continues to rotate, the second clamp unit is transferred to a blanking station to perform blanking operation, and the processing of a single product is completed.

Preferably, the rack is provided with at least 24 stations which are arranged in a left-right one-to-one opposite manner relative to the rotary clamp seats; the automatic feeding and blanking device comprises a feeding station, a blanking station, two transposition stations and 20 processing stations, wherein the two transposition stations are a material taking station and a material receiving station respectively;

in the rotating direction of the rotary clamp seat, the stations corresponding to one side of the rotary clamp seat are a feeding station, a first end lateral plane milling station, a first end center hole drilling station, a first end inner groove milling station, a first end inner groove turning station, a first end outer surface turning station, a first end inclined hole milling station, a first end air hole platform milling station, a first end air hole preprocessing station, a first end air hole forming station, a first end chamfer milling station and a material taking station in sequence,

the station corresponding to the other side of the rotary clamp seat is a material receiving station, a first jumping station, a second end outer side surface milling station, a second end center hole drilling station, a second end inner groove milling station, a second end reaming station, a second end inner and outer groove turning station, a second end outer surface turning station, a second end outer thread turning station, a second jumping station, a second end chamfer milling station and a blanking station in sequence;

s2 comprises the following steps:

s20, the main power unit works, the rotary clamp seat rotates, the first clamp unit and the clamped blank are transferred to a first end lateral plane milling station, and four planes are milled on the outer side face of the blank;

s21, the main power unit works, the rotary clamp seat rotates, the first clamp unit and the clamped blank are transferred to a first end center hole drilling station, and a center hole is drilled at the first end of the blank;

s22, the main power unit works, the rotary clamp seat rotates, the first clamp unit and the clamped blank are transferred to a first end inner groove milling station, and an inner groove is milled on the inner wall of the central hole;

s23, the main power unit works, the rotary clamp seat rotates, the first clamp unit and the clamped blank are transferred to a first end inner and outer groove turning station, an outer groove is turned on the outer side face of the first end of the blank by using a spreading cutter, and the inner groove machined in the S22 is subjected to finish machining;

s24, the main power unit works, the rotary clamp seat rotates, the first clamp unit and the clamped blank are transferred to a turning station on the outer surface of the first end, and turning machining is carried out on the outer side face and the end face of the first end of the blank by using a spreading cutter;

s25, the main power unit works, the rotary clamp seat rotates, the first clamp unit and the clamped blank are transferred to a first end inclined hole milling station, and an inclined hole is milled at the first end of the blank;

s26, the main power unit works, the rotary clamp seat rotates, the first clamp unit and the clamped blank are transferred to a first end air hole platform milling station, and an air hole end face is milled on the end face of the first end of the blank;

s27, working of the main power unit, rotating the clamp seat, transferring the first clamp unit and the clamped blank to a first end air hole preprocessing station, and pre-drilling an air hole in the axial direction on the end face of the air hole;

s28, working the main power unit, rotating the rotary clamp seat, transferring the first clamp unit and the clamped blank to a first end air hole forming station, and finely machining the air hole;

s29, the main power unit works, the rotary clamp seat rotates, the first clamp unit and the clamped blank are transferred to a first end chamfer milling station, and each chamfer is machined at the first end of the blank in a milling mode;

s4, the method comprises the following steps:

s40, the main power unit works, the rotary clamp seat rotates, the second clamp unit and the clamped blank are transferred to a first jumping station, machining operation is not carried out, and the next step is carried out after the second clamp unit and the clamped blank stay for a preset time;

s41, the main power unit works, the rotary clamp seat rotates, the second clamp unit and the clamped blank are transferred to a milling station of the outer side face of the second end, and milling processing is carried out on the outer side face of the second end of the blank;

s42, the main power unit works, the rotary clamp seat rotates, the second clamp unit and the clamped blank are transferred to a second end center hole drilling station, and a center hole is drilled at the second end of the blank;

s43, the main power unit works, the rotary clamp seat rotates, the second clamp unit and the clamped blank are transferred to a second end inner groove milling station, and an inner groove is milled in the inner wall of the central hole of the second end of the blank;

s44, the main power unit works, the rotary clamp seat rotates, the second clamp unit and the clamped blank are transferred to a second end reaming station, and reaming is carried out on a center hole of the second end of the blank;

s45, working the main power unit, rotating the clamp seat, transferring the second clamp unit and the clamped blank to a second end inner and outer groove turning station, turning an outer groove on the outer side surface of the second end of the blank by using a spreading cutter, and finely machining the inner groove milled in the S43;

s46, working the main power unit, rotating the rotary clamp seat, transferring the second clamp unit and the clamped blank to a turning station on the outer surface of the second end, and turning the outer side surface and the end surface of the second end by using a spreading cutter;

s47, the main power unit works, the rotary clamp seat rotates, the second clamp unit and the clamped blank are transferred to a second end external thread turning station, and a spreading cutter is adopted to turn threads on the outer side face of the second end of the blank;

s48, working the main power unit, rotating the rotary clamp seat, transferring the second clamp unit and the clamped blank to a second jumping station, performing no machining operation, and performing the next step after the preset time is left;

and S49, working the main power unit, rotating the rotary clamp seat, transferring the second clamp unit and the clamped blank to a second end chamfer milling station, and processing each chamfer at the first end of the blank in a milling mode.

Drawings

FIG. 1 is a schematic structural diagram of a multi-station processing apparatus according to the present embodiment;

FIG. 2 is a side view of the multi-station processing apparatus of the present embodiment;

fig. 3 is a schematic structural view of a frame in the multi-station processing equipment of the embodiment;

fig. 4 is a sectional view of a frame in the multi-station processing apparatus of the embodiment;

fig. 5 is a station layout diagram of a first lateral mounting plate in the multi-station processing equipment according to the embodiment;

fig. 6 is a layout diagram of the stations of the second lateral mounting plate in the multi-station processing apparatus according to the embodiment;

fig. 7 is a schematic structural view of a rotating fixture seat in the multi-station processing apparatus according to the embodiment;

fig. 8 is a schematic structural view illustrating the cooperation of the rotary clamp seat, the feeding module and the indexing module in the multi-station processing apparatus according to the embodiment;

fig. 9 is a schematic structural view illustrating the cooperation between the rotating fixture seat and the indexing module in the multi-station processing apparatus according to the embodiment;

fig. 10 is a top view of the rotating fixture seat and the indexing module of the multi-station processing apparatus according to the present embodiment; at the moment, the material taking assembly and the material receiving assembly are in a separated state;

fig. 11 is a top view of the rotating fixture seat and the indexing module of the multi-station processing apparatus according to the present embodiment; at the moment, the material taking assembly and the material receiving assembly are matched and rotated;

fig. 12 is a schematic structural view illustrating the cooperation between a feeding module and a feeding module in the multi-station processing apparatus according to the embodiment;

fig. 13 is a schematic structural view of a feeding module in the multi-station processing equipment according to the embodiment;

FIG. 14 is a schematic structural view of a cutting assembly in the multi-station processing apparatus according to the embodiment;

FIG. 15 is a schematic structural view of a clamping and feeding assembly in the multi-station processing apparatus according to the embodiment;

fig. 16 is a top view of the clamping and feeding assembly of the multi-station processing apparatus according to the embodiment; at the moment, the clamping and feeding assembly is in a contraction state;

fig. 17 is a top view of the clamping and feeding assembly of the multi-station processing apparatus according to the embodiment; at the moment, the clamping and feeding assembly is in an extension state;

FIG. 18 is a view of a feeding control assembly of the multi-station processing apparatus of this embodiment;

fig. 19 is a schematic structural diagram of a hydraulic control system in the multi-station processing equipment according to the embodiment;

fig. 20 is a schematic structural view of a valve body machined by a method for machining a control valve body according to a second embodiment of the invention;

fig. 21 is a schematic structural diagram of another view angle of the valve body processed by the method for processing a control valve body according to the second embodiment of the invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example one

As shown in fig. 1 and 2, a multi-station processing apparatus includes a frame 1, a rotary jig base 2, a feeding module 4, and an indexing module 7.

Wherein, as shown in fig. 1, fig. 3 and fig. 4, the frame 1 include first lateral mounting panel 12, second lateral mounting panel 11 and circumference mounting panel 14, first lateral mounting panel and second lateral mounting panel all set up along vertical direction, circumference mounting panel 14 sets up between first lateral mounting panel and second lateral mounting panel, first lateral mounting panel, second lateral mounting panel and circumference mounting panel 14 enclose jointly and become the processing interval, rotary fixture seat 2 be located the processing interval.

As shown in fig. 3 and 4, the frame 1 is provided with a plurality of stations 13, including a feeding station, a discharging station, an indexing station, and at least two processing stations, and each processing station is provided with a processing unit 3. Specifically, the feeding station is arranged on a first lateral mounting plate 12, and the discharging station is arranged on a second lateral mounting plate 11. The first lateral mounting plate 12 and the second lateral mounting plate 11 are respectively provided with at least one processing station.

The transposition station comprises a material taking station and a material receiving station, wherein the material taking station is arranged on the first lateral mounting plate 12, the material receiving station is arranged on the second lateral mounting plate 11, and the material taking station and the material receiving station are opposite to each other left and right relative to the rotary clamp seat 2.

The circumferential mounting plate 14 is provided with at least one processing station, and a blanking channel is arranged at the position of the axial mounting plate corresponding to the blanking station.

As shown in fig. 5 and fig. 6, as a specific embodiment, the frame 1 is provided with at least 29 stations, and is arranged opposite to the rotary clamp seat 2 left and right; the automatic feeding device comprises a feeding station, a blanking station, two transposition stations and 25 processing stations, wherein the two transposition stations are respectively a material taking station and a material receiving station;

in the rotating direction along the rotating clamp seat 2, the stations arranged on the first lateral mounting plate are a feeding station A1, a first end lateral plane milling station A2, a first end center hole drilling station A3, a first end inner groove milling station A4, a first end inner groove and outer groove turning station A5, a first end outer surface turning station A6, a first end inclined hole milling station A7, a first end air hole platform milling station A8, a first end air hole preprocessing station A9, a first end air hole forming station A10, a first end chamfer milling station A11 and a material taking station A12 in sequence.

The stations arranged on the second lateral mounting plate are a material receiving station C12, a first jumping-off station C1, a second end outer side surface milling station C2, a second end center hole drilling station C3, a second end inner groove milling station C4, a second end reaming station C5, a second end inner and outer groove turning station C6, a second end outer surface turning station C7, a second end outer thread turning station C8, a second jumping-off station C9, a second end chamfer milling station C10 and a blanking station C11 in sequence.

The stations arranged on the circumferential mounting plate 14 are lateral processing stations which are sequentially a lateral first processing station, a lateral second processing station, a lateral third processing station, a lateral fourth processing station and a lateral fifth processing station.

Wherein the material loading station and the first jumping station are oppositely arranged left and right, the first end lateral plane milling station and the second end lateral surface milling station are oppositely arranged left and right, the first end central hole drilling station and the second end central hole drilling station are oppositely arranged left and right, and the corresponding conditions of all stations on the first lateral mounting plate and the second lateral mounting plate can be obtained by analogy in sequence.

The lateral first machining station B1 corresponds to a first end inner and outer groove turning station A5, the lateral second machining station B2 corresponds to a first end inclined hole milling station A7, the lateral third machining station B3 corresponds to a first end air hole platform milling station A8, the lateral fourth machining station B4 corresponds to a second jumping-off station C9, and the lateral fifth machining station B5 corresponds to a first end air hole forming station A10.

Specifically, the machining unit 3 installed at the lateral machining station is a multi-head machining device, such as a multi-head drilling machine and a multi-head milling machine, and can complete different machining contents by using a plurality of cutters at a single station. The side direction processing station still is equipped with axial drive unit, and axial drive unit is used for the processing setting that the drive corresponds to shift in the left and right sides of rotating jig seat 2, has realized simultaneously rotating jig seat 2 left and right sides clamped blank processing.

As shown in fig. 1 and 7, in particular, the rotary clamp base 2 is rotatably and movably connected with the frame 1, and the rotation center is horizontally arranged. The frame 1 is also provided with a main power unit for driving the rotary clamp seat 2 to rotate relative to the frame 1. Specifically, the rotary jig base 2 is connected to the frame 1 through a central main shaft 22.

As shown in fig. 7, the rotary jig base 2 is provided at both sides thereof with jig units 21, respectively, and the jig units 21 are transferred between the respective stations in accordance with the rotational movement of the rotary jig base 2.

As shown in fig. 1 and 8, the feeding module 4 is connected to the frame 1 and located at the feeding station. As shown in fig. 12-17, the feeding module 4 includes a cutting assembly 42 and a clamping and feeding assembly 41, the clamping and feeding assembly 41 includes a feeding chuck 411 and a feeding driving unit 412, and the feeding driving unit 412 drives the feeding chuck 411 to move relative to the rotary jig base 2. The cutting assembly 42 comprises a cutting tool 422 and a feed driving unit 421, and the feed driving unit 421 drives the cutting tool 422 to move relative to the clamping and feeding assembly 41.

As shown in fig. 8 to 11, in particular, the indexing module 7 is connected to the rack 1 and is located in an indexing station. The indexing module 7 includes a blank holding unit 73 and an indexing driving unit for driving the blank holding unit 73 to clamp the blank and transfer the blank from the gripper unit 21 on one side of the rotary gripper seat 2 to the gripper unit 21 on the other side.

As shown in fig. 8 to 11, specifically, the indexing module 7 includes a material taking assembly 72 and a material receiving assembly 71, the material taking assembly 72 is disposed at a material taking station, and the material receiving assembly 71 is disposed at a material receiving station. The material taking assembly 72 and the material receiving assembly 71 respectively comprise a blank clamping unit 73, a transverse driving unit and a longitudinal driving unit, and the transverse driving unit and the longitudinal driving unit are used for driving the corresponding blank clamping unit 73 to move; the blank holding units 73 of the material taking assembly 72 and the material receiving assembly 71 are opposed to the rotary jig base 2 in the right and left directions.

Through the form that the material taking assembly 72 and the material receiving assembly 71 are in split fit, the driving structure of the blank clamping unit 73 can be simplified to a certain extent, the overall movement range of the indexing module 7 is reduced, and the indexing module has the advantages of simple structure and reliable operation.

During processing, the clamping and feeding assembly 41 clamps the bar 8 and conveys the bar to the corresponding clamp unit 21, the cutting assembly 42 cuts the bar 8, and the clamping and feeding assembly 41 and the cutting assembly 42 complete automatic feeding and cutting operation of the bar 8 together. The main power module is used for driving the rotary clamp seat 2 to rotate relative to the rack 1, and simultaneously completing the rotary motion of the clamp unit 21 and the clamped blank, so that the blank is transferred between stations on the same side, and the machining operation is performed on each machining station, and the machining efficiency is improved in a pulse machining mode.

The transposition module 7 can automatically transfer the blank from the clamp unit 21 on one side of the rotary clamp seat 2 to the clamp unit 21 on the other side, can realize the switching of the clamping position and the adjustment of the clamping direction of the blank in the transposition process, further enriches the processing procedure in a secondary clamping mode in a limited space, eliminates the dead angle of a processing surface, and can well adapt to the processing requirements of various parts with small volume and complex structure.

As shown in fig. 12 and 18, further, the feeding module 5 is further included, and a feeding control assembly 6 is arranged between the feeding module 5 and the feeding module 4. The feeding module 5 comprises a bar stock clamping unit 52 and a feeding driving assembly 51, and the feeding driving assembly 51 is used for driving the bar stock clamping unit 52 to reciprocate relative to the feeding module 4. The feeding control assembly 6 comprises a first sensor 62 and a second sensor 61, and the first sensor 62 and the second sensor 61 are sequentially distributed along the conveying direction of the feeding module 5. The first sensor 62 and the second sensor 61 are used for sensing whether the corresponding area has the bar stock or not and controlling the working state of the clamping and feeding assembly 41 and the feeding module 5.

When the first sensor 62 and the second sensor 61 simultaneously sense the existence of the bar stock, the feeding of the bar stock is mainly carried out by the feeding module 5, and the clamping feeding assembly 41 is used as an auxiliary and plays a role in clamping and positioning the bar stock when cutting the bar stock. When the first sensor 62 loses the bar stock existence signal and the second sensor 61 senses that the bar stock exists, the remaining bar stock is less, the feeding of the bar stock is completed by the clamping feeding assembly 41, and the feeding module 5 stops working. When the first sensor 62 and the second sensor 61 lose the bar stock existence signal at the same time, the feeding module 5 works again, clamps a new bar stock and feeds the new bar stock to the first sensor 62 to sense the existence of the bar stock again, and the feeding module 5 stops working until the previous bar stock is completely used up.

As shown in fig. 13 and 14, further, a bar stock limiting unit 13 is further disposed on the frame 1, and a bar stock channel is disposed on the bar stock limiting unit 13. Because the length of the bar is long, certain deformation can exist under the action of gravity in the clamping and feeding process, the bar limiting unit 13 can play a role in auxiliary supporting of the bar, the part of the bar reaching the clamping and feeding assembly 41 is guaranteed to be basically stable, meanwhile, in the bar cutting process, a limiting and damping effect can be achieved, and the cutting precision is improved.

As shown in fig. 19, further, the device further comprises a hydraulic control system, wherein the hydraulic control system comprises a high-pressure fluid source, a clamping control module and a processing control module. The high-pressure fluid source includes an oil reservoir unit 91 and an oil cooling unit 92.

The clamping control module comprises a main oil inlet passage 94, a main oil return passage 95, a pressure relief passage 93 and a plurality of groups of control branches 96, wherein each station corresponds to one group of control branches 96; the control branches 96 are respectively provided with a control valve.

The main oil inlet passage 94 is provided with a driving pump and a high-pressure filter, and the main oil return passage 95 is provided with an air cooling unit and a low-pressure filter. The inlet of the pressure relief passage 93 is communicated with the main oil inlet passage 94, the outlet of the pressure relief passage 93 is communicated with the oil storage unit 91, and a pressure relief valve is arranged on the pressure relief passage 93.

The processing control module comprises a processing oil inlet channel 99, a processing oil return channel 98 and oil consumption units 97 corresponding to the processing units 3, wherein the oil consumption units 97 are respectively communicated with the processing oil inlet channel 99 and the processing oil return channel 98. The processing oil inlet passage 99 is provided with a driving pump and a high-pressure filter, and the processing oil return passage 98 is provided with a low-pressure filter.

Example two

A method for processing a valve body of a control valve, which uses the multi-station processing equipment according to the first embodiment, wherein the valve body is shown in fig. 20 and 21;

at least comprises the following steps:

s1, feeding: the clamping and feeding component 41 clamps the bar stock and feeds the bar stock to a first clamp unit positioned at a feeding station, the first clamp unit clamps the end part of the bar stock, and the cutting component 42 cuts the bar stock at a set length position to form a blank;

s2, processing: the main power unit works, the rotary clamp seat 2 rotates, the first clamp unit is transferred to a corresponding machining station from the feeding station, and the machining unit 3 corresponding to the machining station performs machining operation on the blank;

s3, transposition: the main power unit works, the rotary clamp seat 2 continues to rotate, and the first clamp unit is transferred to the transposition station; the transposition module 7 takes down the blank on the first clamp unit and transfers the blank to a second clamp unit corresponding to the other side of the rotary clamp seat 2, and the second clamp unit clamps the blank;

s4, processing: the main power unit works, the rotary clamp seat 2 continues to rotate, the second clamp unit is transferred to the corresponding machining station, and the machining unit 3 corresponding to the machining station performs machining operation on the blank;

s5, blanking: the main power unit works, the rotary clamp seat 2 continues to rotate, the second clamp unit is transferred to a blanking station to perform blanking operation, and the processing of a single product is completed.

As a specific embodiment, it is possible to use,

s2 comprises the following steps:

s20, the main power unit works, the rotary clamp seat 2 rotates, the first clamp unit and the clamped blank are transferred to a first end lateral plane milling station, and four planes are milled on the outer side surface of the blank;

s21, the main power unit works, the rotary clamp seat 2 rotates, the first clamp unit and the clamped blank are transferred to a first end center hole drilling station, and a center hole is drilled at the first end of the blank;

s22, the main power unit works, the rotary clamp seat 2 rotates, the first clamp unit and the clamped blank are transferred to a first end inner groove milling station, and an inner groove is milled on the inner wall of the central hole;

s23, working of the main power unit, rotating the rotary clamp seat 2, transferring the first clamp unit and the clamped blank to a first end inner and outer groove turning station, turning an outer groove on the outer side face of the first end of the blank by using a spreading cutter, and performing finish machining on the inner groove machined in the S22;

s24, the main power unit works, the rotary clamp seat 2 rotates, the first clamp unit and the clamped blank are transferred to a turning station on the outer surface of the first end, and turning machining is carried out on the outer side face and the end face of the first end of the blank by using a spreading cutter;

s25, working the main power unit, rotating the rotary clamp seat 2, transferring the first clamp unit and the clamped blank to a first end inclined hole milling station, and milling an inclined hole at the first end of the blank;

s26, working the main power unit, rotating the clamp seat 2, transferring the first clamp unit and the clamped blank to a first end air hole platform milling station, and milling an air hole end face on the end face of the first end of the blank;

s27, working of the main power unit, rotating the clamp seat 2, transferring the first clamp unit and the clamped blank to a first end air hole preprocessing station, and pre-drilling an air hole in the axial direction on the end face of the air hole;

s28, the main power unit works, the rotary clamp seat 2 rotates, the first clamp unit and the clamped blank are transferred to a first end air hole forming station, and the air hole is finely machined;

s29, the main power unit works, the rotary clamp seat 2 rotates, the first clamp unit and the clamped blank are transferred to a first end chamfer milling station, and each chamfer is machined at the first end of the blank in a milling mode;

s4, the method comprises the following steps:

s40, the main power unit works, the rotary clamp seat 2 rotates, the second clamp unit and the clamped blank are transferred to a first jumping station, machining operation is not carried out, and the next step is carried out after the second clamp unit and the clamped blank stay for a preset time;

s41, the main power unit works, the rotary clamp seat 2 rotates, the second clamp unit and the clamped blank are transferred to a milling station of the outer side face of the second end, and milling processing is carried out on the outer side face of the second end of the blank;

s42, the main power unit works, the rotary clamp seat 2 rotates, the second clamp unit and the clamped blank are transferred to a second end center hole drilling station, and a center hole is drilled at the second end of the blank;

s43, the main power unit works, the rotary clamp seat 2 rotates, the second clamp unit and the clamped blank are transferred to a second end inner groove milling station, and an inner groove is milled in the inner wall of the central hole of the second end of the blank;

s44, working of the main power unit, rotating the clamp seat 2, transferring the second clamp unit and the clamped blank to a second end reaming station, and reaming a center hole at the second end of the blank;

s45, working the main power unit, rotating the rotary clamp seat 2, transferring the second clamp unit and the clamped blank to a second end inner and outer groove turning station, turning an outer groove on the outer side surface of the second end of the blank by using a spreading cutter, and performing finish machining on the inner groove milled in the S43;

s46, the main power unit works, the rotary clamp seat 2 rotates, the second clamp unit and the clamped blank are transferred to a turning station on the outer surface of the second end, and turning machining is carried out on the outer side face and the end face of the second end by using a spreading cutter;

s47, working of the main power unit, rotating the rotary clamp seat 2, transferring the second clamp unit and the clamped blank to a second-end external thread turning station, and turning threads on the outer side surface of the second end of the blank by using a spreading cutter;

s48, the main power unit works, the rotary clamp seat 2 rotates, the second clamp unit and the clamped blank are transferred to a second jumping station, machining operation is not carried out, and the next step is carried out after the second clamp unit and the clamped blank stay for a preset time;

and S49, working the main power unit, rotating the rotary clamp seat 2, transferring the second clamp unit and the clamped blank to a second end chamfer angle milling station, and processing each chamfer angle at the first end of the blank by adopting a milling processing mode.

In conclusion, the above description is only for the preferred embodiment of the present invention and should not be construed as limiting the present invention, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A multi-station machining apparatus, comprising at least:

the indexing module is connected with the rack and is positioned at an indexing station; the indexing module comprises a blank clamping unit and an indexing driving unit, and the indexing driving unit is used for driving the blank clamping unit to clamp a blank and transfer the blank from the clamp unit on one side of the rotary clamp seat to the clamp unit on the other side;

the feeding module is arranged between the feeding module and the feeding module, and a feeding control assembly is arranged between the feeding module and the feeding module;

the first sensor and the second sensor are used for sensing whether the corresponding area has a bar stock or not and controlling the working states of the clamping and feeding assembly and the feeding module.

2. The multi-station machining apparatus according to claim 1, wherein: the rack comprises a first lateral mounting plate and a second lateral mounting plate, the first lateral mounting plate and the second lateral mounting plate are arranged along the vertical direction, a machining interval is formed between the first lateral mounting plate and the second lateral mounting plate, and the rotary clamp seat is positioned in the machining interval;

the material taking station is arranged on the first lateral mounting plate, the material receiving station is arranged on the second lateral mounting plate, and the material taking station and the material receiving station are arranged oppositely left and right relative to the rotary clamp seat.

3. The multi-station machining apparatus according to claim 2, wherein: the transposition module comprises a material taking assembly and a material receiving assembly, the material taking assembly is arranged at a material taking station, and the material receiving assembly is arranged at a material receiving station;

4. The multi-station machining apparatus according to claim 2, wherein: the rack also comprises a circumferential mounting plate, and the circumferential mounting plate is arranged on the outer side of the rotary clamp seat and is annularly distributed around the axis of the rotary clamp seat; the circumferential mounting plate is provided with at least one processing station.

5. The multi-station machining apparatus according to claim 4, wherein: stations on the first lateral mounting plate correspond to stations on the second lateral mounting plate one by one and are arranged oppositely left and right relative to the rotary fixture seat respectively;

the feeding station and one of the processing stations are opposite to the rotary clamp seat from left to right, and the blanking station and one of the processing stations are opposite to the rotary clamp seat from left to right; in the direction of rotation along the rotary fixture seat, get material station and material loading station adjacent setting, just material loading station be located get material station after, connect material station and unloading station adjacent setting, just connect material station be located unloading station after.

6. The multi-station machining apparatus according to claim 1, wherein: the frame on still be equipped with bar spacing unit, bar spacing unit on be equipped with the bar passageway.

7. The multi-station machining apparatus according to any one of claims 1 to 6, wherein: the hydraulic control system comprises a high-pressure liquid source, a clamping control module and a processing control module;

the clamping control module comprises a main oil inlet channel, a main oil return channel, a pressure relief channel and a plurality of groups of control shunts, wherein each station corresponds to one group of control shunts; the control branches are respectively provided with a control valve;

8. A processing method of a control valve body is characterized by comprising the following steps: using a multi-station processing apparatus according to any one of claims 1 to 7;

at least comprises the following steps:

s1, feeding: the clamping and feeding assembly clamps the bar stock and feeds the bar stock to a first clamp unit positioned at the feeding station, the first clamp unit clamps the end part of the bar stock, and the cutting assembly cuts the bar stock at a set length position to form a blank;

9. The process of claim 8, wherein: the rack is at least provided with 24 stations which are arranged in a left-right one-to-one opposite way relative to the rotary clamp seats; the automatic feeding device comprises a feeding station, a blanking station, two transposition stations and 20 processing stations, wherein the two transposition stations are respectively a material taking station and a material receiving station;

in the rotating direction of the rotary clamp seat, the station corresponding to one side of the rotary clamp seat is a feeding station, a first end lateral plane milling station, a first end center hole drilling station, a first end inner groove milling station, a first end inner and outer groove turning station, a first end outer surface turning station, a first end inclined hole milling station, a first end air hole platform milling station, a first end air hole preprocessing station, a first end air hole forming station, a first end chamfer milling station and a material taking station in sequence,

the stations corresponding to the other side of the rotary clamp seat are a material receiving station, a first jumping station, a second end outer side surface milling station, a second end center hole drilling station, a second end inner groove milling station, a second end reaming station, a second end inner and outer groove turning station, a second end outer surface turning station, a second end external thread turning station, a second jumping station, a second end chamfer milling station and a blanking station in sequence;

s2 comprises the following steps:

s23, working of the main power unit, rotating the clamp seat, transferring the first clamp unit and the clamped blank to a first end inner and outer groove turning station, turning an outer groove on the outer side face of the first end of the blank by using a spreading cutter, and performing finish machining on the inner groove machined in the S22;

s27, the main power unit works, the rotary clamp seat rotates, the first clamp unit and the clamped blank are transferred to a first end air hole preprocessing station, and air holes are pre-drilled on the end faces of the air holes in the axial direction;

s28, the main power unit works, the rotary clamp seat rotates, the first clamp unit and the clamped blank are transferred to a first end air hole forming station, and the air hole is finely machined;

s29, working a main power unit, rotating a rotary clamp seat, transferring the first clamp unit and the clamped blank to a first end chamfer angle milling station, and processing each chamfer angle at the first end of the blank by adopting a milling mode;

s4, the method comprises the following steps:

s45, working the main power unit, rotating the rotary clamp seat, transferring the second clamp unit and the clamped blank to a second end inner and outer groove turning station, turning an outer groove on the outer side surface of the second end of the blank by using a spreading cutter, and performing finish machining on the inner groove milled in the S43;

s47, working of the main power unit, rotating the clamp seat, transferring the second clamp unit and the clamped blank to a second-end external thread turning station, and turning threads on the outer side surface of the second end of the blank by using a spreading cutter;

s48, the main power unit works, the rotary clamp seat rotates, the second clamp unit and the clamped blank are transferred to a second jumping station, machining operation is not carried out, and the next step is carried out after the second clamp unit and the clamped blank stay for a preset time;