CN220217425U

CN220217425U - Device for pressing steel sleeve to main frame

Info

Publication number: CN220217425U
Application number: CN202321443000.XU
Authority: CN
Inventors: 曹宣传
Original assignee: Gd Tech Dongguan Co ltd
Current assignee: Gd Tech Dongguan Co ltd
Priority date: 2023-06-07
Filing date: 2023-06-07
Publication date: 2023-12-22
Anticipated expiration: 2033-06-07

Abstract

The utility model discloses a device for pressing a steel sleeve into a main frame, which is used for pressing the steel sleeve into a mounting hole of the main frame to complete assembly, and comprises a workbench, wherein a bedplate is horizontally arranged on the workbench; the pressing mechanism comprises a hydraulic cylinder, the hydraulic cylinder is suspended and installed on the bedplate, a piston rod of the hydraulic cylinder extends outwards to form an installation rod, and a steel sleeve is elastically clamped on the installation rod; the sliding positioning mechanism comprises a linear guide rail and a positioning plate which are fixed on the bedplate, a sliding plate is arranged on the linear guide rail in a sliding manner, the main frame is placed on the sliding plate and positioned vertically through a positioning pin, and the positioning plate is positioned below the mounting rod and positioned horizontally with the side part of the sliding plate through a positioning screw. The device firstly sleeves the steel sleeve on the mounting rod, then places the main frame on the sliding plate for positioning and pushes the main frame to the left in place, and the steel sleeve is pressed into the mounting hole of the main frame under the action of the hydraulic cylinder, so that the assembly precision is high.

Description

Device for pressing steel sleeve to main frame

Technical Field

The utility model relates to the technical field of improved design of steel pressing sleeve equipment, in particular to a device for pressing a steel sleeve to a main frame.

Background

The main frame is a main part on the Indexeru product and is used for supporting equipment parts to normally operate, so that the quality of the main frame is related to the quality of the product, the comprehensive performance of the whole machine is determined, and the main frame structure is shown in figure 2. The steel sleeve assembling process of the main frame is that a long stainless steel sleeve is required to be pressed in the main frame, the verticality between the axis of the steel sleeve and the left end face of the main frame is required to be ensured to be within 0.02mm, and the pressure required by pressing the steel sleeve in place is required to be more than 5T. Before the improvement, when using steel pressing sleeve equipment, the assembly line uses conventional oil press to press, production efficiency is low, positioning and adjusting time is long, and labor intensity of workers is high.

Among the prior art, the patent with publication number CN217224373U discloses a steel bushing press-fitting machine for high-pressure connector, including steel bushing feed mechanism and the steel bushing press-fitting mechanism that communicates through steel bushing transmission mechanism, steel bushing transmission mechanism includes a set of vertically communicating transmission track and transmission passageway, every transmission track's output intercommunication has one transmission passageway, its input with steel bushing feed mechanism intercommunication, steel bushing press-fitting mechanism include the material loading slide rail, set up in the push cylinder of material loading slide rail both sides and set up in the pressure cylinder of material loading slide rail top, the material loading slide rail with the pressure cylinder just is the location area of waiting to press the work piece, push cylinder symmetrical distribution in the both sides of location area, transmission passageway vertical downwardly extending and with the symmetry divide to locate the both sides of location area, the discharge gate of transmission passageway with push cylinder links to each other. The utility model greatly improves the pressing-in efficiency of the steel sleeve of the workpiece to be pressed and improves the pressing-in precision of the steel sleeve.

According to the technical scheme, the steel sleeve is fed into the positioning area of the workpiece to be pressed through the discharge port of the conveying channel, and the workpiece to be pressed is pushed to the lower side of the pressure cylinder through the pushing cylinder to finish the assembly operation of the steel sleeve. When the steel bushing is output from the discharge hole of the transmission channel, the steel bushing can fall into the clamping groove, the self gravity effect of the steel bushing is utilized, and the size design of the clamping groove is combined, so that the steel bushing is positioned in the clamping groove, the design thought does not meet the high-precision positioning requirement and the pressure requirement of the application, because the main frame is a metal piece, the steel bushing is pressed into the mounting hole of the main frame, and the requirement of the mounting hole coaxiality of the steel bushing and the main frame is high.

The present application provides, in order to solve one of the above problems, an apparatus for pressing a steel jacket to a main frame.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides a device for pressing a steel sleeve to a main frame, wherein the steel sleeve is firstly sleeved on a mounting rod, then the main frame is placed on a sliding plate to be positioned and pushed to the left, and the steel sleeve is pressed into a mounting hole of the main frame under the action of a hydraulic cylinder, so that the assembly precision is high.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the device for pressing the steel sleeve into the main frame is used for pressing the steel sleeve into the mounting hole of the main frame to complete assembly and comprises a workbench, wherein a bedplate is horizontally arranged on the workbench and used for placing a pressing mechanism and a sliding positioning mechanism;

the pressing mechanism comprises a hydraulic cylinder, the hydraulic cylinder is suspended and installed on the bedplate, a piston rod of the hydraulic cylinder extends outwards to form an installation rod, a steel sleeve is elastically clamped on the installation rod, the steel sleeve is pressed into and embedded into an installation hole of the main frame under the pushing of the installation rod, and then the installation rod returns to the original position;

the sliding positioning mechanism comprises a linear guide rail and a positioning plate which are fixed on the bedplate, a sliding plate is arranged on the linear guide rail in a sliding manner, the main frame is placed on the sliding plate and positioned vertically through a positioning pin, and the positioning plate is positioned below the mounting rod and positioned horizontally with the side part of the sliding plate through a positioning screw.

Further, the cabinet body is arranged below the bedplate of the workbench, the PLC control system and the hydraulic power system are arranged in the cabinet body, the PLC control system and the hydraulic power system are common module assemblies in the prior art, the common module assemblies can be purchased in the market as required, the common module assemblies are not repeated here, a plurality of foot cups and rollers with adjustable heights are arranged at the bottom of the cabinet body, the foot cups are used for supporting and stabilizing the cabinet body, the workbench is kept stable and balanced, the rollers assist in moving and transferring places of the whole workbench, and casters are separated from the ground when the foot cups support work.

Further, the mounting rod comprises a first circular shaft and a second circular shaft which are coaxial, a jacking hole is formed in the first circular shaft, an elastic element and steel balls are arranged in the jacking hole, the two steel balls are respectively connected with two ends of the elastic element and are outwards ejected to clamp a steel sleeve, and the steel sleeve is arranged on the first circular shaft and is propped by the steel balls in the jacking hole, so that the steel sleeve is clamped on the mounting rod.

Further, the diameter of the first circular shaft is smaller than that of the second circular shaft, the inner diameter of the steel sleeve is matched with the outer diameter of the first circular shaft, the elastic element is a spring, and the through hole of the specific steel sleeve is in transition fit with the first circular shaft to assist in elastically clamping the steel ball which can horizontally and outwards stretch.

Further, the hydraulic cylinder is arranged on the support plate, the support plate is supported on the workbench through the vertical plate and the side plates, the support plate is horizontally arranged, the vertical plate and the side plates are vertically arranged, and the two side plates are respectively arranged outside the vertical plate.

Further, the protection cover is further covered above the hydraulic cylinder and is fixed on the side plate, the touch screen is installed on the protection cover, the touch screen is connected with the PLC control system and the hydraulic power system in a communication mode, the touch screen is used for setting working parameters, the matched start-stop button for controlling the hydraulic cylinder to press down and reset is arranged on the side portion of the platen of the workbench, the concrete position is one side close to the sliding positioning mechanism, a worker stands on the side and pushes the main frame to move to the positioning screw to compress tightly, then the start-stop button is pressed down to enable the hydraulic cylinder to push the installation rod to move downwards, and the steel sleeve is pressed into the installation hole of the main frame to complete assembly operation.

Further, the locating plate is a right-angle plate, the locating screw is arranged on the side portion of the locating plate, the axial direction of the locating screw is flush with the sliding direction of the sliding plate, specifically, the locating screw is arranged on the vertical plate of the locating plate, the horizontal portion of the locating plate is located under the installation rod, and the height of the horizontal portion of the locating plate is lower than the bottom of the sliding plate.

Further, the sliding plate is provided with the main locating pin and the auxiliary locating pin, and the main locating pin is matched with the mounting hole of the main frame and used for ensuring the mounting precision of the main frame, and the auxiliary locating pin plays a role in auxiliary locating.

Further, as the above-mentioned locating plate curb plate processing has the back-off groove, and the size phase-match of back-off groove and main locating pin, when the slide moved to the set screw, main locating pin is because the thickness of self height surpassed the slide, in order to avoid touching the locating plate, just need to open the back-off groove on the locating plate, ensures that the bottom of main locating pin can not be blocked by the locating plate.

Furthermore, two linear guide rails are arranged, a positioning plate is arranged between the two linear guide rails, two sliding blocks are slidably arranged on a single linear guide rail, and the sliding plates are fixed on the sliding blocks.

Compared with the prior art, the utility model has the beneficial effects that: the device firstly installs the steel sleeve on the installation rod, the steel ball and the spring are installed in the jacking hole on the installation rod to flexibly clamp the steel sleeve, then the main frame is placed on the sliding plate to be positioned through the two positioning pins, the sliding plate is pushed to the left to be positioned through the Y shaft of the positioning screw, and the steel sleeve is pressed into the installation hole of the main frame under the action of the hydraulic cylinder, so that the assembly precision is high.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is an exploded view of the present utility model;

FIG. 3 is a schematic diagram of the main operating mechanism of the present utility model;

fig. 4 is a schematic view of the mounting rod and steel bushing of the present utility model.

In the figure: 1. a compressing mechanism; 11. a hydraulic cylinder; 12. a protective cover; 13. a side plate; 14. a support plate; 15. a mounting rod; 151. a first circular shaft; 152. jacking the hole; 153. a second circular shaft; 16. a vertical plate; 2. a touch screen; 3. a work table; 4. a slide positioning mechanism; 41. a linear guide rail; 42. a slide block; 43. a slide plate; 431. a secondary locating pin; 432. a main locating pin; 5. a main frame; 6. a foot cup; 7. a steel sleeve; 8. a positioning plate; 81. and (5) positioning a screw.

Detailed Description

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "fixed," "mounted," "connected," "disposed," and the like are to be construed broadly, e.g., when an element is referred to as being "fixed" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements.

The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, in a first embodiment, an apparatus for pressing a steel bushing 7 to a main frame 5 according to the present utility model is used for pressing the steel bushing 7 into a mounting hole of the main frame 5 to complete assembly, and the whole apparatus includes a workbench 3, wherein a platen is horizontally arranged on the workbench 3, and is used for placing a pressing mechanism 1 and a sliding positioning mechanism 4; the pressing mechanism 1 comprises a hydraulic cylinder 11, the hydraulic cylinder 11 is suspended and installed on a bedplate, a piston rod of the hydraulic cylinder 11 extends outwards to form an installation rod 15, the installation rod 15 is arranged in the vertical direction, a steel sleeve 7 is elastically clamped on the installation rod 15, the steel sleeve 7 is easily sleeved on the installation rod 15 and cannot fall off, the steel sleeve 7 is pressed and embedded in an installation hole of the main frame 5 under the pushing of the installation rod 15, and then the installation rod 15 returns to the original position; the sliding positioning mechanism 4, the sliding positioning mechanism 4 comprises a linear guide rail 41 and a positioning plate 8 which are fixed on a bedplate, a sliding plate 43 is slidably arranged on the linear guide rail 41, the main frame 5 is placed on the sliding plate 43 and is vertically positioned through a positioning pin, and the positioning plate 8 is positioned below the mounting rod 15 and is horizontally positioned with the side part of the sliding plate 43 through a positioning screw 81.

In the second embodiment, based on the technical scheme of the first embodiment, a device for pressing a steel sleeve 7 to a main frame 5 is provided, for the structural design of a workbench 3, a cabinet body is arranged below a bedplate of the workbench 3, a PLC control system and a hydraulic power system are arranged in the cabinet body, the PLC control system and the hydraulic power system are common module components in the prior art, a PLC program, a hydraulic pipeline and the like can be purchased in the market according to requirements, and the details are omitted here, a plurality of height-adjustable foot cups 6 and rollers are arranged at the bottom of the cabinet body, the foot cups 6 are used for supporting and stabilizing the cabinet body, so that the workbench 3 keeps stable and balanced, the rollers assist in moving and transferring to place the whole machine, and casters are separated from the ground when the foot cups 6 support work.

For the specific component structure of the pressing mechanism 1, the mounting rod 15 comprises a first circular shaft 151 and a second circular shaft 153 which are coaxial, a pressing hole 152 is formed in the first circular shaft 151, an elastic element and steel balls are arranged in the pressing hole 152, the two steel balls are respectively connected with two ends of the elastic element and are outwards ejected to clamp the steel sleeve 7, and the steel sleeve 7 is sleeved on the first circular shaft 151 and is supported by the steel balls in the pressing hole 152, so that the steel sleeve 7 is clamped on the mounting rod 15. Further, the diameter of the first circular shaft 151 is smaller than that of the second circular shaft 153, the inner diameter of the steel sleeve 7 is matched with the outer diameter of the first circular shaft 151, the elastic element is a spring, and the through hole of the specific steel sleeve 7 is in transition fit with the first circular shaft 151, so as to assist in elastically clamping the steel ball which can horizontally and outwards stretch.

For the power component of the pressing mechanism 1, the hydraulic cylinder 11 is arranged on the support plate 14, the support plate 14 is supported on the workbench 3 through the vertical plate 16 and the side plate 13, the support plate 14 is horizontally arranged, the vertical plate 16 and the side plate 13 are vertically arranged, and the two side plates 13 are respectively positioned outside the vertical plate 16. Further, the protection cover 12 is further covered above the hydraulic cylinder 11, the protection cover 12 is fixed on the side plate 13, the touch screen 2 is installed on the protection cover 12, the touch screen 2 is in communication connection with the PLC control system and the hydraulic power system, the touch screen 2 is used for setting working parameters, a matched start-stop button for controlling the hydraulic cylinder 11 to press down and reset is arranged on the side part of the table plate of the workbench 3, the specific position is one side close to the sliding positioning mechanism 4, a worker stands on the side to push the main frame 5 to move to the positioning screw 81 for pressing, and then the start-stop button is pressed to enable the hydraulic cylinder 11 to push the installation rod 15 to move downwards, so that the steel sleeve 7 is pressed into the installation hole of the main frame 5 to complete assembly operation.

In the third embodiment, based on the technical solution of the first embodiment, a device for pressing the steel sleeve 7 to the main frame 5 is designed for the specific structure of the sliding positioning mechanism 4, the positioning plate 8 is a rectangular plate, the positioning screw 81 is installed on the side portion of the positioning plate 8, the axial direction of the positioning screw 81 is flush with the sliding direction of the sliding plate 43, specifically, the positioning screw 81 is installed on the vertical plate of the positioning plate 8, and the horizontal portion of the positioning plate 8 is located under the installation rod 15 and is lower than the bottom of the sliding plate 43. Further, the sliding plate 43 is provided with a main positioning pin 432 and an auxiliary positioning pin 431, and the main positioning pin 432 is matched with the mounting hole of the main frame 5 to ensure the mounting precision of the main frame 5, and the auxiliary positioning pin 431 plays a role in auxiliary positioning. Further, the side plate 13 of the positioning plate 8 is provided with a relief groove, the dimensions of the relief groove and the main positioning pin 432 are matched, when the sliding plate 43 moves towards the positioning screw 81, the main positioning pin 432 is higher than the thickness of the sliding plate 43, so that the relief groove needs to be formed on the positioning plate 8 to avoid touching the positioning plate 8, and the bottom of the main positioning pin 432 is ensured not to be blocked by the positioning plate 8.

Furthermore, two linear guide rails 41 are provided, a positioning plate 8 is installed between the two linear guide rails 41, two sliding blocks 42 are slidably arranged on a single linear guide rail 41, and the sliding plates 43 are fixed on the sliding blocks 42, so that the main frame 5 is a metal piece, and the linear guide rails 41 are selected as the middle signal guide rail supporting sliding plates 43 to meet the precision requirement of the linear guide rails 41.

The design idea of the device is as follows: the steel bushing 7 is guaranteed to be pressed onto the main frame 5 by adopting a hydraulic mode, the assembly precision of parts is guaranteed by the main body precision of the whole device, the perpendicularity between the axis of the steel bushing 7 and the left end face of the main frame 5 can be guaranteed to be within 0.02mm depending on the assembly precision of the sliding positioning mechanism 4, the mounting rod 15 and the positioning screw 81, the pressure required by the steel bushing 7 to be pressed in place is more than 5T, the reliability of operation is guaranteed by adopting PLC control, the equipment is simple, convenient and quick to operate by adopting the touch screen 2 operating system to cooperate with start-stop button operation, the heavy guide rail is used for supporting and realizing directional sliding, and the production efficiency is improved.

In the device, the related assembly and matching relation of all the components, material selection, a software control system and the like are the prior art or materials, and the skilled person can directly purchase or order from the market according to the required product model and specification.

The electrical components are all electrically connected with an external main controller and 220V commercial power or industrial power, and the main controller can be conventional known equipment with a control function of a computer and the like.

In the foregoing description, only the preferred embodiment of the present utility model is described, but the common general knowledge of the specific structure and characteristics of the present utility model is not described in any detail. It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. Accordingly, the present embodiments are to be considered in all respects as illustrative and not restrictive, and any equivalents and modifications thereof according to the technical scheme and the inventive concept thereof, which are within the scope of the present disclosure, are intended to be included in the scope of the present disclosure.

Claims

1. The device for pressing the steel sleeve into the main frame is used for pressing the steel sleeve (7) into the mounting hole of the main frame (5) to complete assembly and is characterized by comprising a workbench (3), wherein a bedplate is horizontally arranged on the workbench (3);

the pressing mechanism (1), the pressing mechanism (1) comprises a hydraulic cylinder (11), the hydraulic cylinder (11) is suspended and installed on the bedplate, a piston rod of the hydraulic cylinder (11) extends outwards to form an installation rod (15), and a steel sleeve (7) is elastically clamped on the installation rod (15);

the sliding positioning mechanism (4), sliding positioning mechanism (4) including fixing linear guide (41) and locating plate (8) on the platen, the last slip of linear guide (41) is provided with slide (43), main frame (5) are placed on slide (43) and are fixed a position vertically through the locating pin, locating plate (8) are located installation pole (15) below and are fixed a position with slide (43) lateral part level through set screw (81).

2. Device for pressing steel sleeves to a main frame according to claim 1, characterized in that a cabinet is arranged below the bedplate of the workbench (3), a PLC control system and a hydraulic power system are arranged in the cabinet, and a plurality of height-adjustable foot cups (6) and rollers are arranged at the bottom of the cabinet.

3. A device for pressing steel sleeves onto a main frame according to claim 1, characterized in that the mounting rod (15) comprises a first circular shaft (151) and a second circular shaft (153) which are coaxial, a pressing hole (152) is formed in the first circular shaft (151), an elastic element and steel balls are arranged in the pressing hole (152), and the two steel balls are respectively connected with two ends of the elastic element and are ejected outwards to clamp the steel sleeve (7).

4. A device for pressing a steel jacket onto a main frame according to claim 3, characterized in that the diameter of the first circular shaft (151) is smaller than the diameter of the second circular shaft (153), the inner diameter of the steel jacket (7) is matched with the outer diameter of the first circular shaft (151), and the elastic element is a spring.

5. A device for pressing steel sleeves to a main frame according to claim 4, characterized in that the hydraulic cylinders (11) are mounted on a support plate (14), the support plate (14) being supported on the table (3) by means of a riser (16) and a side plate (13).

6. The device for pressing steel sleeves to the main frame according to claim 5, wherein a protective cover (12) is further covered above the hydraulic cylinder (11), the protective cover (12) is fixed on the side plate (13), a touch screen (2) is arranged on the protective cover (12), and the touch screen (2) is in communication connection with the PLC control system and the hydraulic power system.

7. A device for pressing steel sleeves onto a main frame according to claim 1, characterized in that the positioning plate (8) is a right angle plate, the side of the positioning plate (8) is provided with a positioning screw (81), and the axial direction of the positioning screw (81) is flush with the sliding direction of the sliding plate (43).

8. A device for pressing steel sleeves to a main frame according to claim 7, characterized in that said slide (43) is provided with a main positioning pin (432) and a secondary positioning pin (431), the main positioning pin (432) being fitted to the mounting hole of the main frame (5).

9. A device for pressing steel sleeves onto a main frame according to claim 8, characterized in that the side plates (13) of the positioning plate (8) are machined with relief grooves, the dimensions of which are matched to the dimensions of the main positioning pins (432).

10. Device for pressing steel sleeves to a main frame according to claim 9, characterized in that two linear guides (41) are provided, a positioning plate (8) is arranged between the two linear guides (41), two sliding blocks (42) are slidably arranged on each linear guide (41), and the sliding blocks (43) are fixed on the sliding blocks (42).