Double-station screw tightening equipment

Abstract

The utility model discloses a double-station screw tightening device which comprises a base, a linear motor is fixedly arranged on the top of the base, a movable seat is arranged on the linear motor, an installation plate is fixedly arranged on the top of the movable seat, and a first vertical plate and a second vertical plate are installed on the top of the installation plate through bolts. A transverse electric push rod is fixedly arranged on the rear side of the second vertical plate. Through the arrangement of the mounting plate, the first vertical plate, the second vertical plate, a transverse electric push rod, a rotating sleeve, a first clamping plate, a servo motor, a fixing sleeve and a second clamping plate, screws can be conveniently screwed into the top, the side face and the bottom of a workpiece, through the arrangement of a linear motor and a moving seat, the workpiece can be conveniently driven to move, and screws can be conveniently screwed into different positions on the same face; due to the fact that the number of the structures is two, double stations can be achieved, the situation that the screws need to be taken down and fixed again when being screwed into the side faces and the bottoms of the workpieces is avoided, and the screw tightening device is more convenient and faster to use.

Description

Technical Field

[0001] The utility model relates to the technical field of screw installation, in particular to a double-station screw tightening device. Background Art

[0002] A screw is a tool that uses the physical and mathematical principles of the inclined circular rotation of an object and the friction force to gradually tighten objects and parts. The main function of a screw is to connect two workpieces together for fastening, while bolts are commonly used to connect and fix home appliances, washing machine rollers, metal parts, etc. Under normal circumstances, screw assembly is done by manual tightening or with the help of automated production line tightening stations to meet screw assembly needs.

[0003] In the prior art, patent number CN202320595398.2 proposes a screw tightening tool, which places the workpiece on the placement frame directly above the mounting frame, rotates the rotating cylinder, and makes the rotating cylinder rotate to the right rear, puts a screw on the guide tube, and makes the screw smoothly enter the screw hole of the workpiece along the guide tube, and the rotating cylinder continues to rotate, so that the workpiece can be moved to the bottom of the cylinder, and before the rotating cylinder rotates, the baffle is rotated counterclockwise first, so that the rotating cylinder can rotate smoothly, and after the rotating cylinder rotates, the baffle can be moved in the direction so that the baffle falls on the block to prevent the next rotating cylinder from passing through the cylinder, and start The dynamic cylinder and two screw machines can lock the workpiece, and continuous processing of the workpiece can be achieved during the process. At the same time, there is no need to manually install screws. The structure is simple and the functions are multiple, which improves the practicability of the device and the degree of automation of the device. However, the patent number CN202320595398.2 cannot flip the workpiece. When screwing the screws into the workpiece, depending on the workpiece, screws need to be installed on the side or bottom, which leads to the need to remove the workpiece and replace it. Therefore, a double-station screw tightening device is proposed. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a double-station screw tightening device for solving the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A double-station screw tightening device comprises a base, a linear motor is fixedly arranged on the top of the base, a movable seat is arranged on the linear motor, a mounting plate is fixedly arranged on the top of the movable seat, a vertical plate 1 and a vertical plate 2 are installed on the top of the mounting plate by bolts, a transverse electric push rod is fixedly arranged on the rear side of the vertical plate 2, a rotating sleeve is rotatably arranged on the output end of the transverse electric push rod, a clamping plate 1 is fixedly arranged on the front side of the rotating sleeve, a servo motor is fixedly arranged on the front side of the vertical plate 2, a fixing sleeve is fixedly arranged on the output end of the servo motor, a fixing sleeve is fixedly arranged on the rear side of the fixing sleeve, a tightening component for facilitating tightening of the screws and a conveying component for facilitating conveying of the screws are arranged on the top of the base.

[0007] Preferably, the tightening assembly includes a fixed plate arranged on the top of the base, a driving motor is fixedly arranged on the left side of the fixed plate, a screw is fixedly arranged on the output end of the driving motor, a movable frame is threadedly arranged on the surface of the screw, a guide rod is slidably arranged inside the movable frame, a vertical electric push rod is fixedly arranged on the top of the movable frame, a protective shell is fixedly arranged on the output end of the vertical electric push rod, a rotating motor is fixedly arranged inside the protective shell, a connecting sleeve is fixedly arranged on the output end of the rotating motor, and a gun head is threadedly arranged inside the connecting sleeve.

[0008] Preferably, the conveying assembly includes a mounting frame arranged on the top of the base, and a screw feeder is fixedly arranged on the top of the mounting frame.

[0009] Preferably, the number of the mounting plates is two, and the two mounting plates are symmetrically distributed, the mounting plates are rectangular structures, and the mounting plates are made of metal material.

[0010] Preferably, the guide rod is a metal cylinder, and the guide rod is fixedly installed between the facing surfaces of the fixing plates.

[0011] Preferably, the interior of the protective shell is overlapped with the rotating motor, the protective shell is made of a heat-conductive material, and the transverse cross-section of the protective shell is circular.

[0012] Preferably, the specifications of the clamping plate 1 and the clamping plate 2 are the same, and the installation heights of the clamping plate 1 and the clamping plate 2 are the same.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the double-station screw tightening equipment, through the arrangement of the mounting plate, vertical plate one, vertical plate two, transverse electric push rod, rotating sleeve, clamping plate one, servo motor, fixed sleeve and clamping plate two, is convenient for screwing the screws into the top, side and bottom of the workpiece, and through the arrangement of the linear motor and the movable seat, it is convenient to drive the workpiece to move, and it is convenient to screw in screws at different positions of the same surface, and because there are two of the above structures, a double-station operation can be achieved, avoiding the need to remove and re-fix the screws when screwing them into the side and bottom of the workpiece, thereby making the screw tightening device more convenient and quick to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the structural survey drawing of the utility model;

[0015] Figure 2 It is a right sectional view of the local structure of the utility model;

[0016] Figure 3 It is a right sectional view of the structure of the tightening assembly of the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the feeding assembly of the utility model.

[0018] In the figure: 1. base; 2. linear motor; 3. moving seat; 4. mounting plate; 5. vertical plate 1; 6. vertical plate 2; 7. horizontal electric push rod; 8. rotating sleeve; 9. clamping plate 1; 10. servo motor; 11. fixed sleeve; 12. clamping plate 2; 13. fixed plate; 14. driving motor; 15. screw; 16. moving frame; 17. guide rod; 18. vertical electric push rod; 19. protective shell; 20. rotating motor; 21. connecting sleeve; 22. gun head; 23. mounting frame; 24. screw feeder. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Reference Figure 1-4A double-station screw tightening device comprises a base 1, a linear motor 2 is fixedly arranged on the top of the base 1, a moving seat 3 is arranged on the linear motor 2, a mounting plate 4 is fixedly arranged on the top of the moving seat 3, the number of the mounting plates 4 is two, and the two mounting plates 4 are symmetrically distributed, the mounting plate 4 is a rectangular structure, the mounting plate 4 is made of metal material, a vertical plate 1 5 and a vertical plate 2 6 are installed on the top of the mounting plate 4 by bolts, a horizontal electric push rod 7 is fixedly arranged on the rear side of the vertical plate 2 6, a rotating sleeve 8 is rotatably arranged on the output end of the horizontal electric push rod 7, a clamping plate 1 9 is fixedly arranged on the front side of the rotating sleeve 8, a servo motor 10 is fixedly arranged on the front side of the vertical plate 2 6, a fixed sleeve 11 is fixedly arranged on the output end of the servo motor 10, a clamping plate 2 12 is fixedly arranged on the rear side of the fixed sleeve 11, and the specifications of the clamping plate 1 9 and the clamping plate 2 12 are the same, The installation heights of the clamping plates 1 9 and the second clamping plates 12 are the same, so that the clamping positions of the clamping plates 1 9 and the second clamping plates 12 are at the same height, so that the contact areas between the clamping plates 1 9 and the second clamping plates 12 and the workpiece are the same, and the workpiece is prevented from falling off after clamping. By setting the mounting plate 4, the vertical plate 1 5, the vertical plate 2 6, the transverse electric push rod 7, the rotating sleeve 8, the clamping plate 1 9, the servo motor 10, the fixed sleeve 11 and the second clamping plate 12, it is convenient to screw the screws into the top, side and bottom of the workpiece, and by setting the linear motor 2 and the moving seat 3, it is convenient to drive the workpiece to move, and it is convenient to screw the screws into different positions of the same surface. Since there are two of the above structures, double working positions can be realized, avoiding the need to remove and re-fix the screws when screwing them into the side and bottom of the workpiece, thereby making the screw tightening device more convenient and quick to use.

[0021] Specifically, the top of the base 1 is provided with a tightening assembly for tightening the screws and a conveying assembly for conveying the screws. The tightening assembly includes a fixed plate 13 arranged on the top of the base 1. A driving motor 14 is fixedly arranged on the left side of the fixed plate 13. A screw 15 is fixedly arranged on the output end of the driving motor 14. A moving frame 16 is threadedly arranged on the surface of the screw 15. A guide rod 17 is slidably arranged inside the moving frame 16. The guide rod 17 is a metal cylinder. The guide rod 17 is fixedly installed between the opposite surfaces of the fixed plate 13. The movable frame 16 is arranged to limit the position, and the movable frame 16 is prevented from rotating with the screw 15. A vertical electric push rod 18 is fixedly arranged on the top of the movable frame 16. A protective shell 19 is fixedly arranged on the output end of the vertical electric push rod 18. A rotating motor 20 is fixedly arranged inside the protective shell 19. The interior of the protective shell 19 and the rotating motor 20 are overlapped. The protective shell 19 is made of a heat-conducting material. The transverse cross-section of the protective shell 19 is circular. The rotating motor 20 is easily protected by the protective shell 19, and the protective shell 19 made of a heat-conducting material is convenient to In order to conduct away the heat generated by the operation of the rotating motor 20, the rotating motor 20 is prevented from being damaged by overheating. A connecting sleeve 21 is fixedly provided at the output end of the rotating motor 20. A gun head 22 is provided with an internal thread of the connecting sleeve 21. The conveying assembly includes a mounting frame 23 arranged on the top of the base 1. A screw feeder 24 is fixedly provided on the top of the mounting frame 23. The output end is driven by the vertical electric push rod 18 to push the protective shell 19 downward. The protective shell 19 pushes the connecting sleeve 21 downward through the rotating motor 20, and pushes the gun head 22 through the connecting sleeve 21. 2 carries the screw and moves downward, the rotating motor 20 drives the gun head 22 to rotate through the connecting sleeve 21, so that the gun head 22 screws the screw into the workpiece, and the driving motor 14 drives the screw rod 15 to rotate, so that the moving frame 16 drives the protective shell 19 to move through the vertical electric push rod 18, so that the rotating motor 20 drives the gun head 22 to move through the connecting sleeve 21, so that it is convenient to screw in screws at different positions on the same surface of the workpiece, and then through the setting of the screw feeder 24, it is convenient to transport the screws, so as to facilitate the delivery of screws to the tightening assembly.

[0022] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0023] During use: put the workpiece to be screwed into the screw on the rear side of the second clamp plate 12, and drive the output end through the horizontal electric push rod 7 to push the rotating sleeve 8 to move forward, so that the rotating sleeve 8 drives the clamp plate 1 9 to contact the workpiece, and clamps the two workpieces fixed by the screws, and the screws can be screwed into the workpiece. When you need to screw the side or bottom of the workpiece, drive the output end of the servo motor 10 to drive the fixed sleeve 11 to rotate, and drive the second clamp plate 12 to move through the fixed sleeve 11. Since the workpiece is clamped by the clamp plate 1 9 and the second clamp plate 12, the second clamp plate 12 drives the workpiece to flip over, and the workpiece drives the clamp plate 1 9 to rotate through the rotating sleeve 8, thereby turning the workpiece over, and the screw can be screwed into the side or bottom of the workpiece. When the screw is screwed into the workpiece on the left, the workpiece that has not been screwed into the screw is placed between the clamp plate 1 9 and the second clamp plate 12 on the right, and fixed by the clamp plate 1 9 and the second clamp plate 12, thereby making a double station.

[0024] To sum up, the double-station screw tightening equipment, through the arrangement of the mounting plate 4, vertical plate 1 5, vertical plate 2 6, horizontal electric push rod 7, rotating sleeve 8, clamping plate 1 9, servo motor 10, fixed sleeve 11 and clamping plate 2 12, is convenient for screwing the screws into the top, side and bottom of the workpiece, and through the arrangement of the linear motor 2 and the movable seat 3, it is convenient to drive the workpiece to move, and it is convenient to screw the screws into different positions of the same surface. Since there are two of the above structures, a double-station operation can be realized, avoiding the need to remove and re-fix the screws when screwing them into the side and bottom of the workpiece, thereby making the screw tightening device more convenient and quick to use, and is used to solve the problems raised in the above background technology.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0026] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-station screw tightening device, comprising a base (1), characterized in that: A linear motor (2) is fixedly arranged on the top of the base (1), a movable seat (3) is arranged on the linear motor (2), a mounting plate (4) is fixedly arranged on the top of the movable seat (3), a vertical plate 1 (5) and a vertical plate 2 (6) are fixedly arranged on the top of the mounting plate (4) by bolts, a transverse electric push rod (7) is fixedly arranged on the rear side of the vertical plate 2 (6), a rotating sleeve (8) is rotatably arranged on the output end of the transverse electric push rod (7), a clamping plate 1 (9) is fixedly arranged on the front side of the rotating sleeve (8), a servo motor (10) is fixedly arranged on the front side of the vertical plate 2 (6), a fixing sleeve (11) is fixedly arranged on the output end of the servo motor (10), a clamping plate 2 (12) is fixedly arranged on the rear side of the fixing sleeve (11), and a tightening component for facilitating the tightening of screws and a conveying component for facilitating the conveying of screws are arranged on the top of the base (1).

2. A double-station screw tightening device according to claim 1, characterized in that: The tightening assembly comprises a fixing plate (13) arranged on the top of the base (1), a driving motor (14) is fixedly arranged on the left side of the fixing plate (13), a screw rod (15) is fixedly arranged on the output end of the driving motor (14), a moving frame (16) is threadedly arranged on the surface of the screw rod (15), a guide rod (17) is slidably arranged inside the moving frame (16), a vertical electric push rod (18) is fixedly arranged on the top of the moving frame (16), a protective shell (19) is fixedly arranged on the output end of the vertical electric push rod (18), a rotating motor (20) is fixedly arranged inside the protective shell (19), a connecting sleeve (21) is fixedly arranged on the output end of the rotating motor (20), and a gun head (22) is threadedly arranged inside the connecting sleeve (21).

3. A double-station screw tightening device according to claim 1, characterized in that: The conveying assembly comprises a mounting frame (23) arranged on the top of the base (1), and a screw feeder (24) is fixedly arranged on the top of the mounting frame (23).

4. A double-station screw tightening device according to claim 1, characterized in that: The number of the mounting plates (4) is two, and the two mounting plates (4) are symmetrically distributed. The mounting plates (4) are rectangular in structure, and the mounting plates (4) are made of metal material.

5. A double-station screw tightening device according to claim 2, characterized in that: The guide rod (17) is a metal cylinder, and the guide rod (17) is fixedly installed between the facing surfaces of the fixing plate (13).

6. A double-station screw tightening device according to claim 2, characterized in that: The interior of the protective shell (19) is overlapped with the rotating motor (20), the protective shell (19) is made of a heat-conducting material, and the transverse cross-section of the protective shell (19) is circular.

7. A double-station screw tightening device according to claim 1, characterized in that: The specifications of the clamping plate 1 (9) and the clamping plate 2 (12) are the same, and the installation heights of the clamping plate 1 (9) and the clamping plate 2 (12) are the same.

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