CN212918374U

CN212918374U - Automatic screw twisting machine

Info

Publication number: CN212918374U
Application number: CN202021911343.0U
Authority: CN
Inventors: 王威
Original assignee: Wuxi Like Auto Parts Co ltd
Current assignee: Wuxi Like Auto Parts Co ltd
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-04-09
Anticipated expiration: 2030-09-03

Abstract

The utility model relates to an automatic screw machine twists, comprises a workbench, set up the screw machine that is used for screwing up the screw on the car work piece on the workstation, it is used for carrying out tight clamping piece to the car work piece to lie in screw machine below on the workstation to set up, set up the lifting unit who is used for driving the screw machine and goes up and down along vertical direction on the workstation, set up the translation subassembly that is used for driving screw machine and lifting unit towards the motion of clamping piece direction on the workstation, set up and be used for driving clamping piece and car work piece pivoted rotating assembly on the workstation and set up the control box that is used for the work process to control in the workstation below. This application has the advantage that improves installation work efficiency between generator end cover and the rectifier.

Description

Automatic screw twisting machine

Technical Field

The application relates to the field of automobile part processing, in particular to an automatic screw twisting machine.

Background

The rectifier is one of important parts in an automobile, and mainly functions to convert alternating current generated by an automobile generator into pulse direct current so as to supply a load or provide charging voltage for a storage battery.

In the related art, referring to fig. an automotive workpiece 9 includes a generator end cap 90 and a rectifier 91 fitted to the generator end cap 90; an ear plate 900 is arranged on one side of the generator end cover 90, and an ear hole 901 convenient for the generator end cover 90 to be fixed with an automobile is arranged on the ear plate 900; a first mounting hole 902 is convexly arranged on the generator end cover 90; the generator end cover 90 is arranged in the fixing hole on the side away from the rectifier 91; a second mounting hole 910 is provided in the rectifier 91 at a position corresponding to the first mounting hole 902, and the first mounting hole 902 corresponds to the second mounting hole 910; a screw 92 for fixing the end cap and the rectifier 91 is screwed into the first mounting hole 902.

In view of the above-mentioned related art, the inventor believes that, when the generator end cover 90 and the rectifier 91 are fixedly installed, the screws 92 are generally screwed in by a worker in sequence, which is time-consuming and labor-consuming, and the work efficiency is relatively low.

SUMMERY OF THE UTILITY MODEL

In order to improve the work efficiency of installation between generator end cover and the rectifier, this application provides an automatic screw machine of twisting.

The application provides an automatic screw driving machine adopts following technical scheme:

the utility model provides an automatic screw machine twists, comprises a workbench, set up the screw machine that is used for screwing up the screw on the car work piece on the workstation, it is used for carrying out tight clamping piece to the car work piece to lie in screw machine below on the workstation to set up, set up the lifting unit who is used for driving screw machine along vertical direction lift on the workstation, set up the translation subassembly that is used for driving screw machine and lifting unit towards clamping piece direction motion on the workstation, set up and be used for driving clamping piece and car work piece pivoted rotating assembly on the workstation and set up the control box that is used for the course of the work to control in the workstation below.

By adopting the technical scheme, when the screw on the automobile workpiece is screwed and fastened, the automobile workpiece is arranged below the screw machine at first, then the clamping piece is started to clamp and fix the automobile workpiece, then the screw machine and the lifting assembly are started, and the lifting assembly drives the screw machine to lift up and down so as to complete screwing of the screw top on the automobile workpiece; when screws at different positions on the automobile workpiece are screwed, the rotating assembly is started, and the rotating assembly drives the clamping piece and the automobile workpiece to integrally rotate, so that the screws in the same circle center on the automobile workpiece can be screwed; when screws at other positions on the automobile workpiece need to be screwed, the translation assembly is started, the translation assembly drives the screw machine and the lifting assembly to integrally move, and screws at any positions on the automobile workpiece can be screwed through the mutual matching of the rotating assembly and the translation assembly; therefore, convenience in installation between the generator end cover and the rectifier is improved, and working efficiency is improved.

Optionally, the clamping member is a three-jaw chuck.

By adopting the technical scheme, the three-jaw chuck has a good centering function while clamping, so that the correspondence between an automobile workpiece and a screw machine is improved.

Optionally, a guide frame is arranged on the workbench; the lifting assembly comprises a lifting cylinder and a mounting block, the lifting cylinder is vertically arranged on the guide frame, the output end of the lifting cylinder faces the workbench, and the mounting block is fixed at the output end of the lifting cylinder; the screw machine is fixedly connected to the mounting block.

Through adopting above-mentioned technical scheme, when revolving the screw on the car work piece, start the lift cylinder, lift cylinder drive installation piece slides from top to bottom along vertical direction to drive the screw machine and go up and down, make things convenient for the screw machine to revolve to twist the screw.

Optionally, a guide bar extending in the vertical direction is convexly arranged on the guide frame, a guide groove adapted to the guide bar is arranged on the mounting block, and the guide bar is embedded in the guide groove and is in sliding fit with the guide groove.

Through adopting above-mentioned technical scheme, the guide strip and the guiding groove of mutually supporting can slide about the installation piece and carry on spacingly and the guide, improve the stability and the smoothness nature that the installation piece slided, and then improve the smoothness nature and the stability that the screw machine goes up and down.

Optionally, a first guide rod is vertically arranged on the guide frame, a first guide hole is arranged on the mounting block, and the first guide rod is arranged in the first guide hole in a penetrating manner and is in sliding fit with the first guide hole.

Through adopting above-mentioned technical scheme, the guide rod can slide about installing the piece and carry on spacingly and guide, further improves the stability and the smoothness nature that the installation piece slided to the smoothness nature and the stability of screw machine lift are further improved.

Optionally, the rotating assembly comprises a rotating table arranged below the screw machine and a rotating motor arranged below the rotating table and used for driving the rotating table to rotate; and the clamping piece is fixedly connected to one surface of the rotary table facing the rotary table.

By adopting the technical scheme, the rotary motor drives the rotary table to rotate, and the clamping piece and the automobile workpiece are driven to integrally rotate when the rotary table rotates; the position of the workpiece is convenient to adjust.

Optionally, a mounting plate is arranged below the screw machine; the mounting disc is fixedly connected with one surface of the rotary table facing the screw machine, and a clamping column is convexly arranged on one surface of the mounting plate, which deviates from the rotary table.

Through adopting above-mentioned technical scheme, through being provided with the mounting disc of card post, further restrict the position of car work piece, further improve the stability at the in-process car work piece of screwing up the screw.

Optionally, a mounting frame is arranged on the workbench, and a sliding groove extending towards the clamping piece is arranged on the mounting frame; the translation assembly comprises a threaded lead screw which is rotatably supported in the sliding groove and the axis of the threaded lead screw is parallel to the extending direction of the sliding groove, and a sliding block which is arranged in the sliding groove and is in threaded connection with the threaded lead screw; the sliding block is in sliding fit with the sliding groove; the lifting component is fixedly connected with the sliding block.

By adopting the technical scheme, when the position of the screw machine above the automobile workpiece needs to be adjusted, the threaded lead screw is rotated, so that the sliding block is driven to slide in the sliding groove, the sliding block drives the lifting assembly and the screw machine to integrally slide along the direction of the clamping piece, so that the position of the screw machine is adjusted, and screws at any position on the automobile workpiece can be screwed through the mutual matching of the rotating assembly and the translation assembly; the convenience of the position adjustment of the screw machine is improved.

Optionally, a second guide rod with an axis parallel to the axis direction of the threaded lead screw is arranged in the sliding groove, and a second guide hole is formed in the sliding block; the second guide rod penetrates through the second guide hole and is in sliding fit with the second guide hole.

Through adopting above-mentioned technical scheme, the second guide rod can carry out spacing and guide to the position of sliding block at the inslot that slides, improves the smoothness nature and the stability that sliding block slided at the inslot that slides, and then improves the smoothness nature and the stability that lifting unit and screw machine removed.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the screw machine, the lifting assembly, the rotating assembly and the translation assembly, screws at any positions on an automobile workpiece are screwed, so that the convenience of installation between the end cover of the generator and the rectifier is improved, and the working efficiency is improved;

2. by arranging the guide strip and the guide groove, the lifting smoothness and stability of the screw machine are improved;

3. by arranging the first guide rod, the lifting smoothness and stability of the screw machine are further improved;

4. through setting up the second guide bar, promoted the smoothness and the stability that drop assembly and screw machine removed.

Drawings

FIG. 1 is a schematic illustration of a construction of an automotive workpiece;

FIG. 2 is a schematic view showing a structure of an automatic screw driving machine;

FIG. 3 is a schematic structural view of the translation assembly;

FIG. 4 is a schematic view of the structure of the rotating assembly;

description of reference numerals: 1. a frame; 2. a work table; 20. a guide frame; 200. a guide plate; 2000. a guide strip; 201. a first mounting plate; 202. a second mounting plate; 203. a slippage space; 204. a first guide bar; 21. a mounting frame; 211. a sliding groove; 2110. a second guide bar; 22. a connecting plate; 23. an installation port; 24. a support frame; 25. mounting a disc; 250. clamping the column; 3. a screw machine; 4. a clamping member; 40. a positioning column; 5. a lifting assembly; 50. a lifting cylinder; 51. mounting blocks; 510. a guide groove; 511. a first guide hole; 6. a translation assembly; 60. a threaded lead screw; 61. a sliding block; 610. a second guide hole; 62. a hand wheel; 7. a rotating assembly; 70. a turntable; 71. rotating the motor; 8. a control box; 9. an automotive workpiece; 90. a generator end cover; 900. an ear plate; 901. an ear hole; 902. a first mounting hole; 91. a rectifier; 910. a second mounting hole; 92. and (4) screws.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses an automatic screw twisting machine. Referring to fig. 2 and 3, automatic screw machine includes frame 1, the level sets up workstation 2 in frame 1, set up and be used for on workstation 2 to the car work piece 9 screw machine 3 that screws up, it is used for carrying out the clamping piece 4 that presss from both sides tight car work piece 9 to lie in screw machine 3 below on workstation 2 to set up, set up and be used for driving screw machine 3 along the lift subassembly 5 of vertical direction lift on workstation 2, set up and be used for driving screw machine 3 and lift subassembly 5 towards the translation subassembly 6 of 4 direction movements of clamping piece on workstation 2, set up and be used for driving clamping piece 4 and car work piece 9 pivoted rotating assembly 7 on workstation 2 and set up the control box 8 that is used for the course of work to control on workstation 2 in workstation 2 below.

Referring to fig. 2, in order to improve the clamping performance of the automobile workpiece 9, in the embodiment, the clamping member 4 uses a three-jaw chuck, and has a centering function while clamping, and positioning columns 40 matched with fixing holes on a generator end cover 90 are arranged on jaws of the three-jaw chuck; a guide frame 20 is arranged on the worktable 2; the guide frame 20 comprises a vertically arranged guide plate 200, a first mounting plate 201 which is arranged at one end of the guide plate 200 close to the workbench 2 and is perpendicular to the surface of the guide plate 200, and a second mounting plate 202 which is arranged at one end of the guide plate 200 far away from the workbench 2 and is symmetrical to the first mounting plate 201; a sliding space 203 is formed between the first mounting plate 201 and the second mounting plate 202; the lifting assembly 5 comprises a lifting cylinder 50 fixedly connected to the second mounting plate 202 and the output end of the lifting cylinder is perpendicular to the table top of the workbench 2, and a mounting block 51 fixedly connected to the output end of the lifting cylinder 50 and positioned in the sliding space 203; the screw machine 3 is fixedly connected with one end of the mounting block 51 departing from the guide plate 200; in order to improve the sliding stability of the installation block 51, a guide bar 2000 which extends along the length direction of the guide plate 200 and has a T-shaped section is convexly arranged on the surface of the guide plate 200 in the sliding space 203, a T-shaped guide groove 510 is arranged at one end of the installation block 51 facing the guide plate 200, and the guide bar 2000 is embedded in the guide groove 510 and is in sliding fit with the guide groove 510; in order to further improve the stability that the installation block 51 slided, be provided with the first guide bar 204 of both ends respectively with first mounting panel 201 and second mounting panel 202 fixed connection in the space 203 that slides, first guide bar 204 is vertical to be set up, has seted up first guiding hole 511 on the installation block 51, and first guide bar 204 is worn to locate in first guiding hole 511 and is slided the cooperation with first guiding hole 511.

Referring to fig. 3, a mounting bracket 21 fixedly connected to the table 2 is provided on the table 2, and a sliding groove 211 extending toward the clamping member 4 is provided on the mounting bracket 21; the translation assembly 6 comprises a threaded lead screw 60 which is rotatably supported in the sliding groove 211 and the axial direction of which is parallel to the extending direction of the sliding groove 211, and a sliding block 61 which is arranged in the sliding groove 211 and is in threaded connection with the threaded lead screw 60; the sliding block 61 is in sliding fit with the sliding groove 211, a connecting plate 22 fixedly connected with the guide frame 20 is vertically arranged on the workbench 2, and the connecting plate 22 is fixedly connected with the sliding block 61; in order to improve the convenience of driving the screw rod to rotate, an annular hand wheel 62 is arranged at one end of the threaded screw rod 60, which is far away from the clamping piece 4; in order to improve the stability of the sliding block 61 sliding in the sliding groove 211, second guide rods 2110 with axes parallel to the axis of the threaded screw 60 are arranged on two sides of the threaded screw 60 in the sliding groove 211, a second guide hole 610 is arranged on the sliding block 61, and the second guide rods 2110 are arranged in the second guide hole 610 in a penetrating mode and are in sliding fit with the second guide hole 610.

Referring to fig. 3 and 4, a mounting opening 23 penetrating through the table top of the workbench 2 is formed in the workbench 2 below the screw machine 3; the rotating assembly 7 comprises a rotating table 70 arranged below the mounting port 23 and a rotating motor 71 arranged below the mounting port 23 and used for driving the rotating table 70 to rotate; in order to facilitate the installation of the rotary table 70 and the rotating motor 71, a supporting frame 24 fixedly connected with the workbench 2 is arranged below the installation opening 23; the turntable 70 is in running fit with the support frame 24, specifically, a bearing can be fixed on the support frame 24, and the turntable 70 is fixedly connected with an inner ring of the bearing; the rotating motor 71 is fixedly connected with the support frame 24, and the output end of the rotating motor is fixedly connected with the bearing inner ring; the clamping piece 4 is fixedly connected to one surface of the rotary table 70, which is far away from the rotating motor 71; in order to further improve the convenience of clamping and fixing the automobile workpiece 9, a mounting disc 25 matched with the automobile workpiece 9 is arranged above the mounting port 23 on the workbench 2, the mounting disc 25 is fixedly connected with one surface of the rotary table 70, which deviates from the motor, and a clamping column 250 used for fixing the automobile workpiece 9 is arranged on the surface of the mounting disc 25, which deviates from the rotary table 70, in a protruding manner.

The implementation principle of the automatic screw twisting machine in the embodiment of the application is as follows: when the generator end cover 90 and the rectifier 91 are installed and fixed, firstly, the generator end cover 90 is fixed on the workbench 2, the clamping columns 250 on the installation disc 25 are correspondingly inserted into the ear holes 901 on the generator end cover 90, the positioning columns 40 on the clamping jaws of the clamping piece 4 are inserted into the fixing holes at the bottom of the generator end cover 90, then the clamping piece 4 is started, and the clamping jaws are closed to clamp and fix the generator end cover 90; then, the rectifier 91 is installed on an automobile end cover, a first installation hole 902 on the automobile end cover corresponds to a second installation hole 910, and a screw is placed in the first installation hole 902; then starting the screw machine 3, starting the lifting assembly 5, driving the mounting block 51 to slide up and down by the first cylinder, so as to control the lifting of the screw machine 3 and further finish the screwing of the screw machine 3 on the screw 92; the mutually matched guide groove 510 and the guide block can limit and guide the sliding of the mounting block 51, so that the stability and the fluency of the up-and-down lifting of the screw machine 3 are improved; the first guide rod 204 can guide the vertical sliding of the mounting block 51, so that the lifting stability and the lifting smoothness of the screw machine 3 are further improved; when screws 92 at different positions on the automobile workpiece 9 need to be screwed, the rotating assembly 7 is started, the rotating cylinder drives the rotating table 70 to rotate, the rotating table 70 drives the clamping piece 4 and the automobile workpiece 9 to integrally rotate, and the rotating assembly 7 is matched with the lifting assembly 5 to finish screwing of the screws 92 at different positions on the automobile workpiece 9 which are concentric; when screws 92 at different circle center positions on the automobile workpiece 9 need to be screwed, the hand wheel 62 is rotated by hand, the threaded lead screw 60 rotates, so that the sliding block 61 is driven to slide in the sliding groove 211, the sliding block 61 drives the connecting plate 22 to move, the connecting plate 22 drives the lifting assembly 5 and the screw machine 3 to integrally slide, so that the position of the screw machine 3 is adjusted, and the screw machine 3, the lifting assembly 5, the rotating assembly 7 and the translation assembly 6 are integrally matched, so that the screws 92 at any position on the automobile workpiece 9 can be screwed; in conclusion, the working efficiency of the installation between the generator end cover 90 and the rectifier 91 is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an automatic screw driving machine which characterized in that: including workstation (2), set up screw machine (3) that are used for screwing up screw (92) on workstation (2) to car work piece (9), it is used for carrying out the clamping piece (4) that press from both sides tight car work piece (9) to lie in screw machine (3) below on workstation (2) to set up to be used for driving screw machine (3) on workstation (2) along vertical direction lift subassembly (5), set up translation subassembly (6) that are used for driving screw machine (3) and lift subassembly (5) and move towards clamping piece (4) direction on workstation (2), set up and be used for driving clamping piece (4) and car work piece (9) pivoted rotating assembly (7) on workstation (2) and set up control box (8) that are used for the course of work to control on workstation (2) below workstation (2).

2. The automatic screwing machine according to claim 1, characterized in that: the clamping piece (4) is a three-jaw chuck.

3. The automatic screwing machine according to claim 1, characterized in that: a guide frame (20) is arranged on the workbench (2); the lifting assembly (5) comprises a lifting cylinder (50) which is vertically arranged on the guide frame (20) and the output end of which faces the workbench (2), and a mounting block (51) which is fixed at the output end of the lifting cylinder (50); the screw machine (3) is fixedly connected to the mounting block (51).

4. The automatic screw driving machine according to claim 3, wherein: the guide frame (20) is convexly provided with a guide strip (2000) extending along the vertical direction, the mounting block (51) is provided with a guide groove (510) matched with the guide strip (2000), and the guide strip (2000) is embedded in the guide groove (510) and is in sliding fit with the guide groove (510).

5. The automatic screw driving machine according to claim 4, wherein: a first guide rod (204) is vertically arranged on the guide frame (20), a first guide hole (511) is formed in the mounting block (51), and the first guide rod (204) penetrates through the first guide hole (511) and is in sliding fit with the first guide hole (511).

6. The automatic screwing machine according to claim 1, characterized in that: the rotating assembly (7) comprises a rotary table (70) arranged below the screw machine (3) and a rotating motor (71) arranged below the rotary table (70) and used for driving the rotary table (70) to rotate; the clamping piece (4) is fixedly connected to one surface, facing the rotary table (70), of the rotary table (70).

7. The automatic screw driving machine according to claim 6, wherein: a mounting disc (25) is arranged below the screw machine (3); the mounting disc (25) is fixedly connected with one surface, facing the screw machine (3), of the rotary table (70), and a clamping column (250) is arranged on one surface, facing away from the rotary table (70), of the mounting plate in a protruding mode.

8. The automatic screwing machine according to claim 1, characterized in that: a mounting rack (21) is arranged on the workbench (2), and a sliding groove (211) extending towards the direction of the clamping piece (4) is arranged on the mounting rack (21); the translation assembly (6) comprises a threaded lead screw (60) which is rotatably supported in the sliding groove (211) and the axis of which is parallel to the extending direction of the sliding groove (211) and a sliding block (61) which is arranged in the sliding groove (211) and is in threaded connection with the threaded lead screw (60); the sliding block (61) is in sliding fit with the sliding groove (211); the lifting component (5) is fixedly connected with the sliding block (61).

9. The automatic screw driving machine according to claim 8, wherein: a second guide rod (2110) with an axis parallel to the axial direction of the threaded screw (60) is arranged in the sliding groove (211), and a second guide hole (610) is arranged on the sliding block (61); the second guide rod (2110) penetrates through the second guide hole (610) and is in sliding fit with the second guide hole (610).