Screw gun fixing device for torque detection
By designing the screw gun fixing device for the fixing seat and the die positioning bracket, the problem that the screw gun cannot be automatically installed and detected at the same time is solved, precise installation and inspection are achieved, production costs are reduced, and product yield and production efficiency are improved.
Patent Information
- Application Number
- CN202420429704.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-06
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-03-06
AI Technical Summary
In the prior art, screw guns cannot automatically install screws and perform torque detection at the same time, resulting in increased production costs and cannot be used on a large scale. Ordinary screwdrivers cannot detect the torque of screws, resulting in disconnection in the product process control link.
A screw gun fixing device for torque detection including a fixing seat, a die positioning bracket and a fixed bracket is designed. The screw gun is stabilized and precisely installed through the sliding positioning bracket and guide rail, and is disassembled for torque detection when needed. Ensure product specification accuracy.
It realizes automatic screw installation while convenient screw torque detection, improves product yield, reduces production costs, simplifies operations, and improves production efficiency.
Smart Images
Figure CN222199543U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of screw installation, and specifically relates to a screw gun fixing device for torque detection. Background Art
[0002] In today's industrial manufacturing field, it has gradually become a trend for robots to replace manual labor, especially in assisting the installation of screws. When using a robot to drive a screw gun to install screws, the torque of the screws needs to be controlled. If the torque of the screws does not meet the standard, it will directly affect the product yield. In the existing technology, the screw gun station is fixed and the torque test of the screws cannot be performed. The price of the screw gun equipment with built-in torque detection is very different from that of ordinary screw guns, which will directly lead to an exponential increase in production costs and cannot be used on a large scale. If an ordinary screwdriver is used, the torque of the screw cannot be detected, resulting in a disconnection in the product process control link.
[0003] After searching, the applicant found that a Chinese patent document with publication number CN106141648A disclosed a multi-directional screw gun and an assembly line having the multi-directional screw gun on November 23, 2016. The multi-directional screw gun includes a gun body, a frame and a connecting piece. The gun body and the connecting piece are fixedly connected. The connecting piece is pivotally connected to one end of the frame. The gun body includes a first gun body and a second gun body. The first gun body is pivotally connected to the second gun body. The second gun body is provided with a rotating head, and the rotating head is used to cooperate with different gun heads to rotate and tighten different screws.
[0004] The device cannot realize automatic installation of screws and conveniently detect the torque of the screws. Utility Model Content
[0005] The utility model aims to provide a torque detection screw gun fixing device which can realize automatic installation of screws and conveniently detect the torque of the screws.
[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is as follows: the utility model includes a fixing seat, on which a die positioning bracket is provided; on which a fixing bracket is provided on the die positioning bracket; and the screw gun is connected to the fixing bracket.
[0007] The fixing seat comprises a supporting plate; a sliding positioning bracket is arranged on the supporting plate, and the sliding positioning bracket is connected to the die positioning bracket.
[0008] A male mold positioning column is provided on the side of the sliding positioning bracket; a female mold positioning hole is provided on the female mold positioning bracket; and the male mold positioning column is placed in the female mold positioning hole.
[0009] The die positioning hole is arranged on the side surface of the die positioning bracket, and the fixing bracket is arranged on the top surface of the die positioning bracket.
[0010] The die positioning bracket comprises a vertical plate and a horizontal plate connected to the vertical plate; the die positioning hole is arranged on the side surface of the vertical plate; and the fixing bracket is arranged on the top surface of the horizontal plate.
[0011] A guide rail is provided on the side surface of the support plate, and the guide rail is connected to the sliding positioning bracket.
[0012] A sliding groove is provided on the side of the sliding positioning bracket; the guide rail is placed in the sliding groove.
[0013] The support plate is respectively connected with a top plate and a bottom mounting block; the top plate is arranged on the top of the support plate; the bottom mounting block is arranged on the bottom of the support plate and connected to the guide rail; a buffer rod is arranged between the sliding positioning bracket and the bottom mounting block.
[0014] The fixing bracket includes a connecting plate and a mounting block connected to the connecting plate; the connecting plate is connected to the top surface of the horizontal plate; and the mounting block presses the screw gun onto the connecting plate.
[0015] The horizontal plate is provided with a mounting groove; the bottom mounting block is provided with a limiting plate, and the limiting plate is provided with a limiting hole; the screw gun extends from the mounting groove into the limiting hole; and a counter is provided on the screw gun.
[0016] The beneficial effects of this application are:
[0017] The screw gun is mounted on the fixing bracket and suspended directly above the component on which the screw is to be installed; the fixing bracket can stably fix the screw gun on the die positioning bracket so that it can perform precise screw installation work on the component; at the same time, it can prevent the screw gun from falling off or moving from the die positioning bracket, causing the screw installation to be misplaced and result in product damage.
[0018] The die positioning bracket is detachably connected to the fixing seat. When the torque needs to be detected, it is only necessary to remove the die positioning bracket and the screw gun together, and then detect the torque. After the torque detection is completed, the die positioning bracket and the screw gun are installed on the fixing seat together to continue the installation of the screws; there is no need to recalibrate the torque and adjust the trajectory of the manipulator connected to the screw gun; after the die positioning bracket and the screw gun are disassembled, they can make way for the torque detection of the screws, ensure the specification accuracy of the product, and effectively improve the yield; the die positioning bracket and the screw gun are simple and quick to disassemble and install, which can effectively ensure production efficiency while reducing production costs. The screw gun used in this device is provided with a counter, which can count the installed screws.
[0019] The screw gun fixing device for torque detection is provided with a die positioning bracket installed on the fixing seat and a fixing bracket connected to the die positioning bracket, and the screw gun can be suspended just above the component to be installed with the screw, so that the screw can be accurately installed on the component; the die positioning bracket is detachably connected to the fixing seat, and when the torque needs to be detected, it is only necessary to remove the die positioning bracket and the screw gun together; after the die positioning bracket and the screw gun are disassembled, they can make way for the torque detection of the screw, thereby ensuring the specification accuracy of the product and effectively improving the yield; the disassembly and installation operation of the die positioning bracket and the screw gun is simple and quick, which can effectively ensure the production efficiency while reducing the production cost. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] The specific implementation of the utility model is further described in detail below in conjunction with the accompanying drawings, wherein:
[0021] Figure 1 This is a schematic diagram of the structure of the screw gun fixing device for torque detection.
[0022] Figure 2 This is a schematic diagram of the structure of the die positioning bracket of the screw gun fixing device for torque detection.
[0023] Figure 3 This is a schematic diagram of the structure of the sliding positioning bracket of the screw gun fixing device for torque detection.
[0024] Figure 4 This is a schematic diagram of the connection status of the sliding positioning bracket of the screw gun fixing device for torque detection.
[0025] The marks in the above figure are:
[0026] The markings in the figure are: 1. Fixed seat, 11. Support plate, 12. Guide rail, 13. Top plate, 14. Bottom mounting block, 15. Limit plate, 16. Limit hole, 17. Buffer rod,
[0027] 2. Die positioning bracket, 21. Fixed bracket, 22. Die positioning hole, 23. Vertical plate, 24. Horizontal plate, 25. Connecting plate, 26. Mounting block, 27. Mounting groove,
[0028] 3. Screw gun,
[0029] 4. Sliding positioning bracket, 41. Punch positioning column, 42. Slide groove. DETAILED DESCRIPTION
[0030] The following is a further detailed explanation of the specific implementation methods of the utility model through the description of the embodiments with reference to the accompanying drawings, with the aim of helping those skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the utility model and facilitating its implementation.
[0031] Figure 1 The torque detection screw gun fixing device shown comprises a fixing seat 1 , on which a die positioning bracket 2 is provided; on the die positioning bracket 2 , a fixing bracket 21 is provided; and a screw gun 3 is connected to the fixing bracket 21 .
[0032] The screw gun 3 is mounted on the fixing bracket 21 and is suspended directly above the component to be installed with screws; the fixing bracket 21 can stably fix the screw gun 3 on the die positioning bracket 2, so that it can accurately install screws on the component;
[0033] The die positioning bracket 2 is detachably connected to the fixing base 1. When the torque needs to be detected, the die positioning bracket 2 and the screw gun 3 only need to be removed from the fixing base 1. After the die positioning bracket 2 and the screw gun 3 are removed, they can make way for the torque detection of the screws, thereby ensuring the specification accuracy of the product and effectively improving the product yield.
[0034] The fixing base 1 includes a support plate 11; a sliding positioning bracket 4 is provided on the support plate 11, and the sliding positioning bracket 4 is connected to the die positioning bracket 2. The sliding positioning bracket 4 can ensure that the die positioning bracket 2 is stably connected to the fixing base 1, and can also realize the up and down movement of the die positioning bracket 2 and the screw gun 3 along the support plate 11; the screw gun 3 can be limited so that it can be installed along the set direction and accurately aligned with the installation position on the component to install the screw.
[0035] A male die positioning column 41 is provided on the side of the sliding positioning bracket 4 ; a female die positioning hole 22 is provided on the female die positioning bracket 2 ; and the male die positioning column 41 is placed in the female die positioning hole 22 .
[0036] The punch positioning column 41 is a square column; the die positioning hole 22 is a square hole; the punch positioning column 41 cooperates with the die positioning hole 22, so that the die positioning bracket 2 can be stably installed on the sliding positioning bracket 4; the die positioning hole 22 is installed on the punch positioning column 41, which can guide and limit the installation of the die positioning bracket 2, and facilitate the installation and disassembly of the die positioning bracket 2 on the sliding positioning bracket 4; the punch positioning column 41 is removed from the die positioning hole 22, so that the die positioning bracket 2 and the screw gun 3 can be removed from the sliding positioning bracket 4, and the torque detection of the screw can be carried out. The operation is simple and fast, and the work efficiency is effectively improved.
[0037] The die positioning hole 22 is provided on the side of the die positioning bracket 2, and the fixed bracket 21 is provided on the top surface of the die positioning bracket 2. The die positioning hole 22 is connected to the male die positioning column 41, so that the side of the die positioning bracket 2 is connected to the sliding positioning bracket 4; the sliding positioning bracket 4 provides stable support for the die positioning bracket 2; the fixed bracket 21 is bolted to the top surface of the die positioning bracket 2; the die positioning bracket 2 provides stable support for the fixed bracket 21 and the screw gun 3, so that the screw gun 3 can normally perform the screw installation work.
[0038] The die positioning bracket 2 includes a vertical plate 23 and a horizontal plate 24 connected to the vertical plate 23; the die positioning hole 22 is provided on the side of the vertical plate 23; the fixed bracket 21 is provided on the top surface of the horizontal plate 24. The die positioning bracket 2 is an L-shaped structure; the vertical plate 23 is connected to the sliding positioning bracket 4 through the die positioning hole 22, and the fixed bracket 21 and the screw gun 3 are installed on the horizontal plate 24; thereby, the die positioning bracket 2 can be more evenly stressed, can withstand a greater load, and ensure that the screw gun 3 is more stable when moving and installing screws, effectively avoiding the position movement of the screw gun 3, resulting in the misalignment of the screws installed on the components.
[0039] A guide rail 12 is provided on the side of the support plate 11, and the guide rail 12 is connected to the sliding positioning bracket 4. The guide rail 12 is provided in the middle of the side of the support plate 11 and is arranged in the vertical reverse direction; the manipulator can push the sliding positioning bracket 4 to move on the guide rail 12, and the screw gun 3 and the die positioning bracket 2 are installed on the sliding positioning bracket 4, so as to drive the screw gun 3 to move up and down on the support plate 11, and at the same time, the screw gun 3 is limited, so that it can be accurately moved to the screw installation position of the component to perform nailing work.
[0040] A slide groove 42 is provided on the side of the sliding positioning bracket 4; the guide rail 12 is placed in the slide groove 42. The slide groove 42 is connected with the guide rail 12, so that the sliding positioning bracket 4 can slide on the fixed seat 1, and the connection between the two can be more stable, and it is not easy to derail; the connection between the slide groove 42 and the guide rail 12 can also buffer the sliding positioning bracket 4 through friction when the manipulator pushes the sliding positioning bracket 4 to move downward, so as to prevent the nail-exiting bird's beak structure of the screw gun 3 from falling too fast and touching the components to be installed with screws.
[0041] The support plate 11 is respectively connected with a top plate 13 and a bottom mounting block 14; the top plate 13 is arranged at the top of the support plate 11; the bottom mounting block 14 is arranged at the bottom of the support plate 11 and connected to the guide rail 12; a buffer rod 17 is arranged between the sliding positioning bracket 4 and the bottom mounting block 14. The bottom mounting block 14 is fixedly mounted at the bottom of the guide rail 12, the buffer rod 17 is connected to the bottom mounting block 14, the sliding positioning bracket 4 is provided with a mounting hole, and the buffer rod 17 is placed in the mounting hole; when the sliding positioning bracket 4 moves along the guide rail 12, it also moves on the buffer rod 17; the buffer rod 17 can limit the sliding positioning bracket 4, ensure that the sliding positioning bracket 4 and the screw gun 3 move along the set direction, and at the same time buffer the sliding positioning bracket 4, so that it can reduce the moving speed, and avoid the screw gun 3 from impacting the product and causing damage to it.
[0042] The fixing bracket 21 includes a connecting plate 25 and a mounting block 26 connected to the connecting plate 25; the connecting plate 25 is connected to the top surface of the horizontal plate 24; the mounting block 26 presses the screw gun 3 onto the connecting plate 25. The connecting plate 25 and the mounting block 26 are both semicircular structures, the two ends of the connecting plate 25 are bolted to the top surface of the horizontal plate 24, and the mounting block 26 is bolted to the side of the connecting plate 25, so that the connecting plate 25 and the mounting block 26 can fit the circular side of the screw gun 3, and the screw gun 3 is firmly locked on the device to fully limit it.
[0043] The horizontal plate 24 is provided with a mounting groove 27; the bottom mounting block 14 is provided with a limiting plate 15, and the limiting plate 15 is provided with a limiting hole 16; the screw gun 3 extends from the mounting groove 27 into the limiting hole 16; and a counter is provided on the screw gun 3. The screw gun 3 is locked on the fixing bracket 21, and its bottom extends from the mounting groove 27 into the limiting hole 16 for nailing; the limiting hole 16 can fully limit the bottom of the screw gun 3, so that it can accurately install screws on components. The screw gun 3 is provided with a counter to record the number of installed screws.
[0044] The specific working process of the utility model is as follows:
[0045] Install the fixed bracket 21 on the die positioning bracket 2; install the screw gun 3 on the fixed bracket 21; connect the die positioning hole 22 of the die positioning bracket 2 with the punch positioning column 41 on the sliding positioning bracket 4; and then use the manipulator to push the screw gun 3 down along the guide rail 12;
[0046] When the screw gun 3 reaches the nailing position, the downward pressure buffering of the guide rail 12 and the buffer rod 17 prevents the nailing bird's beak structure of the screw gun 3 from damaging components; the nailing work starts and ends, and the screw gun 3 moves back to its original position with the manipulator.
[0047] When the torque needs to be detected, it is only necessary to remove the die positioning bracket 2 and the screw gun 3 together, and then detect the torque. After the torque detection is completed, the die positioning bracket 2 and the screw gun 3 are installed in place on the fixing seat 1, and the screw installation work can continue; there is no need to recalibrate the torque and adjust the trajectory of the robot connected to the screw gun 3.
[0048] The above is an exemplary description of the utility model in conjunction with the accompanying drawings. Obviously, the specific implementation of the utility model is not limited to the above-mentioned method. As long as various non-substantial improvements are made using the method concept and technical solution of the utility model; or the above concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.
Claims
1. A screw gun fixing device for torque detection, characterized in that: It comprises a fixing seat (1), a die positioning bracket (2) is provided on the fixing seat (1); a fixing bracket (21) is provided on the die positioning bracket (2); and the screw gun (3) is connected to the fixing bracket (21); The fixing seat (1) comprises a support plate (11); a sliding positioning bracket (4) is provided on the support plate (11), and the sliding positioning bracket (4) is connected to the die positioning bracket (2); A male mold positioning column (41) is provided on the side of the sliding positioning bracket (4); a female mold positioning hole (22) is provided on the female mold positioning bracket (2); and the male mold positioning column (41) is placed in the female mold positioning hole (22); The die positioning hole (22) is arranged on the side surface of the die positioning bracket (2), and the fixing bracket (21) is arranged on the top surface of the die positioning bracket (2); The die positioning bracket (2) comprises a vertical plate (23) and a horizontal plate (24) connected to the vertical plate (23); the die positioning hole (22) is arranged on the side surface of the vertical plate (23); and the fixing bracket (21) is arranged on the top surface of the horizontal plate (24).
2. The torque detection screw gun fixing device according to claim 1, characterized in that: A guide rail (12) is provided on the side surface of the support plate (11), and the guide rail (12) is connected to the sliding positioning bracket (4).
3. The torque detection screw gun fixing device according to claim 2, characterized in that: A sliding groove (42) is provided on the side of the sliding positioning bracket (4); the guide rail (12) is placed in the sliding groove (42).
4. The screw gun fixing device for torque detection according to any one of claims 2 to 3, characterized in that: The support plate (11) is respectively connected to a top plate (13) and a bottom mounting block (14); the top plate (13) is arranged at the top of the support plate (11); the bottom mounting block (14) is arranged at the bottom of the support plate (11) and is connected to the guide rail (12); a buffer rod (17) is provided between the sliding positioning bracket (4) and the bottom mounting block (14).
5. The torque detection screw gun fixing device according to claim 4, characterized in that: The fixing bracket (21) comprises a connecting plate (25) and a mounting block (26) connected to the connecting plate (25); the connecting plate (25) is connected to the top surface of the horizontal plate (24); and the mounting block (26) presses the screw gun (3) onto the connecting plate (25).
6. The torque detection screw gun fixing device according to claim 5, characterized in that: The horizontal plate (24) is provided with a mounting groove (27); the bottom mounting block (14) is provided with a limiting plate (15), and the limiting plate (15) is provided with a limiting hole (16); the screw gun (3) extends from the mounting groove (27) into the limiting hole (16); and the screw gun (3) is provided with a counter.