Double-station screw tightening equipment

Abstract

The utility model relates to the technical field of screw installation, in particular to a double-station screw tightening device which comprises an operation table body, two first guide rails are arranged at the top of the operation table body and connected through a second guide rail, and two movable seats are arranged on the outer side of the second guide rail. A connecting frame is arranged at the end, away from the second guide rail, of the moving seat, a connecting shaft is arranged at the end, away from the moving seat, of the connecting frame, a tightening head is arranged at the end, away from the connecting frame, of the connecting shaft, and a connecting assembly is arranged at the end, close to the tightening head, of the connecting shaft. The connecting assembly is used for rapidly connecting the tightening head and the connecting shaft, the connecting assembly is composed of a containing groove, limiting blocks, a limiting gear and a clamping block, the containing groove is formed in the end, close to the tightening head, of the connecting shaft, and the two limiting blocks are both slidably connected to the interior of the containing groove. Through the design, the overall practicability of the tightening equipment can be improved.

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 Technique

[0002] At present, with the rapid development of the domestic economy, enterprises have stricter control over the low cost of products. This forces enterprises to improve the qualification rate of products to achieve the purpose of cost control. In the prior art, when it is necessary to tighten different components together with screws, usually, workers first pre-assemble the components that need to pass through the screws, and then put the screws into the corresponding screw holes. Workers manually hold the screw gun to tighten the screws, which has a high labor intensity. At the same time, it is easy to cause human errors, resulting in some screws being skewed or some screw holes being missed when tightening the screws.

[0003] After retrieval, the patent with publication number CN211249066U discloses an automatic screw tightening device, belonging to the technical field of screw installation. It includes a frame, a support rod and a main controller. The frame is composed of a bottom plate, a web plate and a top plate. The web plate is fixed to the upper left part of the frame, and the top plate is fixed to the upper end of the web plate. The main controller is located on the upper side of the bottom plate and is fixed to the bottom plate through the support rod. A telescopic device is arranged at the lower end of the top plate, and a screw tightening assembly is arranged at the bottom of the telescopic device. It has a high screw tightening efficiency, is easy to operate, has a simple and compact structure, ingenious concept, low cost and strong practicability. Its defect is that although the tightening head of this device can be replaced, when replacing the tightening head, the tightening head is disassembled and replaced by removing and installing the mounting screws. The installation or removal of the mounting screws is relatively troublesome and requires the use of auxiliary tools for operation. Therefore, for the improvement of the existing tightening equipment, it is particularly important to design a new type of double-station screw tightening device to solve the above technical defects and improve the practicability of the overall tightening equipment. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a double-station screw tightening device, which can facilitate the replacement of the tightening head when the tightening head needs to be replaced, without the need to use auxiliary tools to disassemble the tightening head, and is relatively convenient during disassembly or installation, so as to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A double-station screw tightening device, including an operation table main body, two groups of first guide rails are arranged on the top of the operation table main body, the two groups of first guide rails are connected by a second guide rail, two groups of moving seats are arranged on the outer side of the second guide rail, a connecting frame is arranged at one end of the moving seat away from the second guide rail, a connecting shaft is arranged at one end of the connecting frame away from the moving seat, a tightening head is arranged at one end of the connecting shaft away from the connecting frame, and a connecting component is arranged at one end of the connecting shaft close to the tightening head;

[0007] The connecting component is used to quickly connect the tightening head and the connecting shaft, and the connecting component is composed of a receiving groove, a limiting block, a limiting gear and a clamping block. The receiving groove is opened at one end of the connecting shaft close to the tightening head. The two limiting blocks are both slidably connected inside the receiving groove. The limiting gear is slidably connected inside the receiving groove and is located between the two limiting blocks. The clamping block is located at one end of the tightening head close to the receiving groove.

[0008] As a preferred solution of the present utility model, a first compression spring is arranged on the outer side of the limiting block and inside the receiving groove. A connecting groove is opened inside the receiving groove and outside the first compression spring. The internal structure size of the connecting groove corresponds to the external structure size of the limiting block. The first compression spring is connected to the limiting block through the connecting groove.

[0009] As a preferred solution of the present utility model, the external structure size of the clamping block corresponds to the internal structure size of the receiving groove, and the clamping block is connected to the receiving groove through the limiting block. One end of the limiting block close to the clamping block is designed with an inclined surface structure.

[0010] As a preferred solution of the present utility model, a limiting groove is opened at one end of the clamping block close to the limiting gear. The internal structure size of the limiting groove corresponds to the external structure size of the clamping block. The clamping block is connected to the limiting gear through the limiting groove.

[0011] As a preferred solution of the present utility model, a connecting cylinder is arranged inside the connecting shaft and close to the limiting gear. A moving rod is slidably connected inside the connecting cylinder. A guiding block is arranged at one end of the moving rod away from the connecting cylinder. The guiding block is connected to the limiting gear through a connecting rod.

[0012] As a preferred solution of the present utility model, a second compression spring is arranged inside the connecting cylinder and outside the moving rod. The moving rod is connected to the second compression spring through a fixing block. The guiding block is connected to the moving rod through a guiding groove.

[0013] As a preferred solution of the present utility model, one end of the connecting shaft away from the tightening head is fixedly connected to the driving end of the driving motor. The connecting frame is connected to the moving seat through the third guide rail. A placing table is provided at the top of the main body of the operating table and below the two tightening heads. The placing table is connected to the main body of the operating table through two fourth guide rails.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] In the present utility model, through the design of the connecting component, when it is necessary to replace the tightening head, the tightening head can be conveniently replaced. The limiting gear is displaced from the inside of the limiting groove, so that the tightening head can rotate by itself. Rotate the tightening head to drive the clamping block to rotate. As a result, the outside of the two limiting blocks is displaced, so that the clamping block can be displaced from the inside of the accommodating groove, and the tightening head is detached from the outside of the connecting shaft to replace the tightening head, without the need to use auxiliary tools to disassemble the tightening head, which is more convenient during disassembly or installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0017] Figure 2 is a schematic diagram of the structure of the connecting shaft of the present utility model;

[0018] Figure 3 is a schematic diagram of the structure of the connecting component of the present utility model;

[0019] Figure 4 is a schematic diagram of the internal structure of the connecting cylinder of the present utility model.

[0020] In the figure: 1. Main body of the operating table; 2. First guide rail; 3. Second guide rail; 4. Moving seat; 5. Connecting frame; 6. Connecting shaft; 7. Tightening head; 8. Connecting component; 9. Accommodating groove; 10. Limiting block; 11. Limiting gear; 12. Clamping block; 13. First compression spring; 14. Connecting groove; 15. Limiting groove; 16. Connecting cylinder; 17. Moving rod; 18. Guide block; 19. Connecting rod; 20. Second compression spring; 21. Guide groove; 22. Placing table; 23. Fourth guide rail. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] Embodiment:

[0023] Please refer to Figures 1 - 4 , the present utility model provides a technical solution:

[0024] A double-station screw tightening device includes an operation table main body 1. Two groups of first guide rails 2 are provided on the top of the operation table main body 1. The two groups of first guide rails 2 are connected by a second guide rail 3. Two groups of moving seats 4 are provided on the outer side of the second guide rail 3. One end of the moving seat 4 away from the second guide rail 3 is provided with a connecting frame 5. One end of the connecting frame 5 away from the moving seat 4 is provided with a connecting shaft 6. One end of the connecting shaft 6 away from the connecting frame 5 is provided with a tightening head 7. And one end of the connecting shaft 6 close to the tightening head 7 is provided with a connecting component 8;

[0025] The connecting component 8 is used to quickly connect the tightening head 7 with the connecting shaft 6. And the connecting component 8 is composed of a receiving groove 9, a limiting block 10, a limiting gear 11 and a clamping block 12. The receiving groove 9 is opened at one end of the connecting shaft 6 close to the tightening head 7. The two groups of limiting blocks 10 are both slidably connected inside the receiving groove 9. The limiting gear 11 is slidably connected inside the receiving groove 9 and is located between the two groups of limiting blocks 10. The clamping block 12 is located at one end of the tightening head 7 close to the receiving groove 9.

[0026] Furthermore, a first compression spring 13 is provided on the outer side of the limiting block 10 and inside the receiving groove 9. A connecting groove 14 is opened inside the receiving groove 9 and on the outer side of the first compression spring 13. The internal structure size of the connecting groove 14 is designed to correspond to the external structure size of the limiting block 10. The first compression spring 13 is connected to the limiting block 10 through the connecting groove 14. The limiting block 10 is slidably connected with the connecting groove 14, so that the first compression spring 13 can be connected with the limiting block 10. The first compression spring 13 can drive the limiting block 10 to displace.

[0027] Among them, the external structure size of the clamping block 12 is designed to correspond to the internal structure size of the receiving groove 9. And the clamping block 12 is connected to the receiving groove 9 through the limiting block 10. One end of the limiting block 10 close to the clamping block 12 is designed with an inclined surface structure. The clamping block 12 is connected to the receiving groove 9. When the clamping block 12 is connected to the receiving groove 9, rotate the clamping block 12 so that the clamping block 12 can be connected with the limiting block 10, squeeze the limiting block 10, drive the limiting block 10 to displace through the first compression spring 13, so that the limiting block 10 can limit the clamping block 12 and limit the clamping block 12 inside the receiving groove 9.

[0028] Secondly, a limiting groove 15 is formed at one end of the clamping block 12 close to the limiting gear 11. The internal structure size of the limiting groove 15 is designed to correspond to the external structure size of the clamping block 12. The clamping block 12 is connected to the limiting gear 11 through the limiting groove 15. Connecting the limiting gear 11 and the limiting groove 15 enables the limiting gear 11 to be connected to the clamping block 12. When the clamping block 12 is connected to the receiving groove 9, the clamping block 12 can be limited, increasing the stability of the connection between the clamping block 12 and the receiving groove 9. At the same time, when the connecting shaft 6 rotates, in cooperation with the limiting connection between the limiting gear 11 and the clamping block 12, the tightening head 7 can be driven to rotate.

[0029] Furthermore, a connecting cylinder 16 is provided at one end of the connecting shaft 6 close to the limiting gear 11. A moving rod 17 is slidably connected inside the connecting cylinder 16. A guiding block 18 is provided at one end of the moving rod 17 away from the connecting cylinder 16. The guiding block 18 is connected to the limiting gear 11 through a connecting rod 19. A second compression spring 20 is provided inside the connecting cylinder 16 and outside the moving rod 17. The moving rod 17 is connected to the second compression spring 20 through a fixing block. The guiding block 18 is connected to the moving rod 17 through a guiding groove 21. When the clamping block 12 is connected to the receiving groove 9, the fixing block is driven to displace through the second compression spring 20, causing the moving rod 17 to displace. The guiding block 18 is driven to displace through the guiding groove 21, causing the connecting rod 19 to displace, driving the limiting gear 11 to displace, and displacing the limiting gear 11 into the limiting groove 15 for limiting connection with the clamping block 12.

[0030] Furthermore, the end of the connecting shaft 6 away from the tightening head 7 is fixedly connected to the driving end of a driving motor. The connecting frame 5 is connected to the moving seat 4 through a third guide rail. A placing table 22 is provided on the top of the operating table main body 1 and below the two tightening heads 7. The placing table 22 is connected to the operating table main body 1 through two fourth guide rails 23. Place the product to be processed on the top of the placing table 22. The placing table 22 displaces the product below the tightening head 7. The moving seat 4 is displaced through the second guide rail 3, and then the connecting frame 5 is displaced through the moving seat 4, enabling the tightening head 7 to be displaced to the top of the product. Start the driving motor to drive the connecting shaft 6 to rotate, so that the connecting shaft 6 can drive the tightening head 7 to rotate and perform the screw tightening operation on the product.

[0031] In this embodiment, the implementation scenario is specifically as follows: during actual use, the product to be processed is placed on the top of the placement table 22. The product is displaced to the lower part of the tightening head 7 through the placement table 22. The second guide rail 3 drives the moving seat 4 to displace, and then the moving seat 4 drives the connecting frame 5 to displace, so that the tightening head 7 can be displaced to the top of the product. The driving motor is started to drive the connecting shaft 6 to rotate, so that the connecting shaft 6 can drive the tightening head 7 to rotate for the screw tightening operation of the product. When facing screws of different specifications and the tightening head 7 needs to be replaced, press the moving rod 17, drive the guide block 18 to displace through the guide groove 21, so that the connecting rod 19 displaces, drive the limit gear 11 to displace out of the limit groove 15, so that the tightening head 7 can rotate by itself. Rotate the tightening head 7 to drive the clamping block 12 to rotate, so that the outer sides of the two limit blocks 10 displace out, so that the clamping block 12 can displace out of the accommodation groove 9, and disassemble the tightening head 7 from the outside of the connecting shaft 6 to replace the tightening head 7. When installing the tightening head 7, displace the clamping block 12 into the accommodation groove 9, rotate the clamping block 12 so that the clamping block 12 can be connected to the limit block 10, squeeze the limit block 10, drive the limit block 10 to displace through the first compression spring 13, so that the limit block 10 can limit the clamping block 12 and limit the clamping block 12 inside the accommodation groove 9. When the clamping block 12 is connected to the accommodation groove 9, drive the fixed block to displace through the second compression spring 20, so that the moving rod 17 displaces, drive the guide block 18 to displace through the guide groove 21, so that the connecting rod 19 displaces, drive the limit gear 11 to displace, and displace the limit gear 11 into the limit groove 15 to be connected with the clamping block 12 in a limiting manner, increasing the stability of the connection between the clamping block 12 and the accommodation groove 9, and at the same time, when the connecting shaft 6 rotates, cooperating with the limiting connection between the limit gear 11 and the clamping block 12 can drive the tightening head 7 to rotate. Compared with the existing tightening equipment, the overall practicability of the tightening equipment can be improved through the design of the present utility model.

[0032] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A double-station screw tightening device, comprising an operation table main body (1), characterized in that: At the top of the operation table main body (1), there are two groups of first guide rails (2). The two groups of first guide rails (2) are connected by a second guide rail (3). On the outside of the second guide rail (3), there are two groups of moving seats (4). At one end of the moving seat (4) away from the second guide rail (3), there is a connecting frame (5). At one end of the connecting frame (5) away from the moving seat (4), there is a connecting shaft (6). At one end of the connecting shaft (6) away from the connecting frame (5), there is a tightening head (7), and at one end of the connecting shaft (6) close to the tightening head (7), there is a connecting component (8). The connecting component (8) is used to quickly connect the tightening head (7) and the connecting shaft (6). The connecting component (8) is composed of a receiving groove (9), a limiting block (10), a limiting gear (11) and a clamping block (12). The receiving groove (9) is opened at one end of the connecting shaft (6) close to the tightening head (7). The two groups of limiting blocks (10) are both slidably connected inside the receiving groove (9). The limiting gear (11) is slidably connected inside the receiving groove (9) and is located between the two groups of limiting blocks (10). The clamping block (12) is located at one end of the tightening head (7) close to the receiving groove (9).

2. The dual-station screw tightening device according to claim 1, characterized in that: On the outside of the limiting block (10) and inside the receiving groove (9), there is a first compression spring (13). Inside the receiving groove (9) and outside the first compression spring (13), there is a connecting groove (14). The internal structure size of the connecting groove (14) is designed to correspond to the external structure size of the limiting block (10). The first compression spring (13) is connected to the limiting block (10) through the connecting groove (14).

3. A double-station screw tightening device according to claim 1, characterized in that: The external structure size of the clamping block (12) is designed to correspond to the internal structure size of the receiving groove (9). The clamping block (12) is connected to the receiving groove (9) through the limiting block (10). One end of the limiting block (10) close to the clamping block (12) is designed with an inclined surface structure.

4. A double-station screw tightening device according to claim 1, characterized in that: At one end of the clamping block (12) close to the limiting gear (11), there is a limiting groove (15). The internal structure size of the limiting groove (15) is designed to correspond to the external structure size of the clamping block (12). The clamping block (12) is connected to the limiting gear (11) through the limiting groove (15).

5. A double-station screw tightening device according to claim 1, characterized in that: Inside the connecting shaft (6) and at one end close to the limiting gear (11), there is a connecting cylinder (16). Inside the connecting cylinder (16), there is a moving rod (17) slidably connected. At one end of the moving rod (17) away from the connecting cylinder (16), there is a guiding block (18). The guiding block (18) is connected to the limiting gear (11) through a connecting rod (19).

6. The double-station screw tightening device according to claim 5, characterized in that: Inside the connecting cylinder (16) and outside the moving rod (17), there is a second compression spring (20). The moving rod (17) is connected to the second compression spring (20) through a fixing block. The guiding block (18) is connected to the moving rod (17) through a guiding groove (21).

7. A double-station screw tightening device according to claim 1, characterized in that: One end of the connecting shaft (6) far from the tightening head (7) is fixedly connected to the driving end of the driving motor. The connecting frame (5) is connected to the moving seat (4) through the third guide rail. A placing table (22) is provided at the top of the operation table main body (1) and below the two tightening heads (7). The placing table (22) is connected to the operation table main body (1) through two fourth guide rails (23).

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