A clamping and transferring device for hardware production
By using a return spring to push the sleeve to slide and a gripping and transfer device with rubber chucks in the production of hardware accessories, the problems of scratches and damage during robotic arm gripping have been solved, and a higher gripping effect and yield rate have been achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TAIZHOU HUITAI STAINLESS STEEL PROD CO LTD
- Filing Date
- 2025-04-01
- Publication Date
- 2026-07-03
AI Technical Summary
Existing robotic arm gripping equipment is prone to leaving scratches or damaging hardware parts when gripping them, and it is not effective at gripping smooth parts, resulting in a decrease in the yield rate.
A return spring is used to push the sleeve to slide outside the T-shaped limit post. The end of the sleeve is equipped with a rubber clamp. Combined with the rectangular array of sleeves and accessories, the rubber clamps prevent scratches and improve the clamping effect.
It effectively prevents scratches on the surface of hardware parts, improves clamping effect, reduces slippage, and increases the yield of finished products.
Smart Images

Figure CN224444382U_ABST
Abstract
Description
Technical Field
[0001] This utility model is specifically designed in the field of hardware accessories production technology, and specifically is a clamping and transferring device for hardware accessories production. Background Technology
[0002] Hardware accessories refer to machine parts or components made of hardware, as well as some small hardware products. Hardware accessories need to go through processes such as stamping, cutting, punching, and heat treatment. Since these equipment are all separate, hardware accessories need to be moved from one piece of equipment to another during the processing.
[0003] Currently, robotic arms are used in most situations to grip and transfer hardware parts. The end of the robotic arm is equipped with a gripping terminal, which is generally pneumatically or electrically driven. It uses the squeezing force between two metal gripping jaws to grip the parts. During the gripping process, when the pressure of the metal gripping jaws on the workpiece is too high, it is easy to leave scratches on the surface of the parts, causing the parts to become scrap due to substandard precision. Furthermore, when gripping some non-metallic parts, high pressure can also easily damage the parts, reducing the yield. Moreover, the surface of the parts is uneven, and some parts are relatively smooth, which can easily affect the gripping effect. Relying solely on the squeezing force of the gripping jaws can easily cause the parts to slip off. Utility Model Content
[0004] The purpose of this invention is to provide a clamping and transferring device for the production of hardware accessories. A return spring pushes a sleeve to slide outside a T-shaped limiting post. The sleeves, arranged in a rectangular array, adhere to the surface of the accessory, improving the clamping effect. Furthermore, the rubber clamps at the ends of the sleeves contact the accessory, preventing scratches on the accessory surface during clamping. This addresses the technical problems mentioned in the background section.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] A clamping and transferring device for the production of hardware accessories includes a robotic arm and a clamping assembly. The clamping assembly is fixedly connected to the end of the robotic arm via a connecting seat, and a base is fixed to the other end of the robotic arm.
[0007] The clamping assembly includes a U-shaped bracket, an electric cylinder is fixedly connected to the top of the U-shaped bracket, and a triangular slider is connected to the end of the electric cylinder. Clamping claws are symmetrically connected to the bottom of the U-shaped bracket, and an accessory anti-slip device is fixedly connected to the end of each clamping claw.
[0008] As a further technical solution of this utility model, the end of the connecting seat is fixedly connected to the top of the U-shaped bracket, and the electric cylinder is arranged inside the connecting seat.
[0009] As a further technical solution of this utility model, the gripper includes a bending swing rod, the end of which is fixed with a compression spring, and the compression spring is disposed between the bending swing rod and the U-shaped bracket.
[0010] As a further technical solution of this utility model, the two sides of the bending swing rod are respectively fixedly connected with pin columns, and the bending swing rod is movably connected to the two ends of the U-shaped bracket through the pin columns.
[0011] As a further technical solution of this utility model, the triangular slider is located at the upper part of the bent swing rod, and the two sides of the triangular slider are respectively attached to the ends of the bent swing rod.
[0012] As a further technical solution of this utility model, the accessory anti-slip device includes a connecting plate fixedly connected to the end of the bending swing rod, and a T-shaped limiting post is provided on the side of the connecting plate away from the bending swing rod.
[0013] As a further technical solution of this utility model, multiple T-shaped limiting posts and sleeves are provided, and the multiple T-shaped limiting posts and sleeves are fixed on the side of the connecting plate in a rectangular array.
[0014] As a further technical solution of this utility model, each of the sleeve ends is attached with a rubber clamp, and the rubber clamp is set in a conical shape.
[0015] As a further technical solution of this utility model, a return spring is placed in each of the sleeves, and the end of the return spring is in contact with the end of the T-shaped limiting post.
[0016] Compared with the prior art, the beneficial effects of this utility model are:
[0017] 1. In this utility model, the reset spring pushes the sleeve to slide on the outside of the T-shaped limiting post, and the sleeves arranged in a rectangular array can make the end of each sleeve fit against the surface of the accessory, preventing the smooth-surfaced accessory from slipping off the inside of the gripping claw and improving the gripping effect.
[0018] 2. In this utility model, the end of the sleeve is provided with a conical rubber clamp, and the rubber clamp is attached to the surface of the accessory. While clamping the hardware accessory, it can also prevent scratches on the surface of the hardware accessory, thereby improving the quality of the hardware accessory in the production process.
[0019] 3. In this utility model, a compression spring applies a thrust to the end of the bending swing rod, and the pin column is movably engaged with the U-shaped bracket through the bending swing rod. The bending swing rod rotates around the pin column as its axis, thereby driving the symmetrically arranged anti-slip accessories to move, thus realizing the automatic opening of the bending swing rod. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of the structure of this utility model in use.
[0021] Figure 2 This is a three-dimensional structural diagram of the clamping component in this utility model.
[0022] Figure 3 This utility model Figure 2 A magnified view of a portion of the image.
[0023] Figure 4 This utility model Figure 2 The main view.
[0024] Figure 5 This utility model Figure 4 A magnified view of a portion of the image.
[0025] Figure 6 This is a three-dimensional structural diagram of the anti-slip accessory in this utility model.
[0026] Figure 7 This utility model Figure 6 The main view.
[0027] Figure 8 This utility model Figure 7 CC section view.
[0028] Figure 9 This utility model Figure 8 A magnified view of a portion of the image.
[0029] In the picture:
[0030] Robotic arm-1, base-2, connecting seat-3, U-shaped bracket-4, electric cylinder-5, triangular slider-6, gripper-7, bending swing rod-71, compression spring-72, pin column-73, accessory anti-slip device-8, connecting plate-81, T-shaped limit post-82, sleeve-83, rubber chuck-84, return spring-85. Detailed Implementation
[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0032] Please see Figure 1-9This utility model provides a clamping and transferring device for the production of hardware accessories, including a robotic arm 1 and a clamping assembly. The clamping assembly is fixedly connected to the end of the robotic arm 1 via a connecting seat 3, and a base 2 is fixed to the other end of the robotic arm 1.
[0033] The clamping assembly includes a U-shaped bracket 4, an electric cylinder 5 is fixedly connected to the top of the U-shaped bracket 4, and a triangular slider 6 is connected to the end of the electric cylinder 5. Clamping claws 7 are symmetrically connected to the bottom of the U-shaped bracket 4, and an accessory anti-slip device 8 is fixedly connected to the end of each clamping claw 7.
[0034] In this embodiment, the end of the connecting seat 3 is fixedly connected to the top of the U-shaped bracket 4, and the electric cylinder 5 is disposed inside the connecting seat 3. The electric cylinder 5 pushes the connecting seat 3 to slide inside the U-shaped bracket 4.
[0035] In this embodiment, the gripper 7 includes a bending swing rod 71, and a compression spring 72 is fixed to the end of the bending swing rod 71. The compression spring 72 is disposed between the bending swing rod 71 and the U-shaped bracket 4, and the compression spring 72 pushes the end of the bending swing rod 71 to move.
[0036] Furthermore, pins 73 are fixedly connected to both sides of the bending swing rod 71, and the bending swing rod 71 is movably connected to both ends of the U-shaped bracket 4 through the pins 73, and the bending swing rod 71 rotates around the pins 73.
[0037] Furthermore, the triangular slider 6 is located on the upper part of the bent swing rod 71, and the two sides of the triangular slider 6 are respectively attached to the ends of the bent swing rod 71. The inclined surface of the triangular slider 6 pushes the ends of the bent swing rod 71 to slide to both sides.
[0038] In this embodiment, the accessory anti-slip device 8 includes a connecting plate 81 fixedly connected to the end of the bending swing rod 71, and a T-shaped limiting post 82 is provided on the side of the connecting plate 81 away from the bending swing rod 71.
[0039] Furthermore, multiple T-shaped limiting posts 82 and sleeves 83 are provided, and the multiple T-shaped limiting posts 82 and sleeves 83 are fixed in a rectangular array on the side of the connecting plate 81. During the clamping process, the sleeves 83 are made to fit against the surface of the accessory, thereby improving the clamping effect.
[0040] More specifically, each of the sleeves 83 has a rubber clamp 84 attached to its end, and the rubber clamp 84 is set in a conical shape. The rubber clamp 84 fits against the surface of the accessory to prevent the surface of the accessory from being scratched during the clamping process.
[0041] More specifically, each of the sleeves 83 is equipped with a return spring 85, and the end of the return spring 85 is in contact with the end of the T-shaped limiting post 82, so that the sleeve 83 is pushed to return to its original position by the return spring 85.
[0042] By adopting the above technical solution, the symmetrically arranged gripping claws 7 drive the anti-slip devices 8 on both sides to move closer together. The anti-slip devices 8 on both sides are attached to the surface of the hardware. As the anti-slip devices 8 come into contact with the surface of the hardware, the sleeve 83 slides on the outside of the T-shaped limit post 82, squeezing the return spring 85. At the same time, the return spring 85 pushes the rubber chuck 84 to adhere to the surface of the hardware, preventing the smooth hardware from slipping off the inside of the gripping claws 7, thus improving the gripping effect. In addition, the rubber chuck 84 at the end of the sleeve 83 can prevent the surface of the hardware from being scratched.
[0043] In this embodiment, the electric cylinder 5 is disposed at the end of the U-shaped bracket 4, and the end of the electric cylinder 5 passes through the U-shaped bracket 4 and is connected to the triangular slider 6, and the triangular slider 6 is slidably connected to the U-shaped bracket 4.
[0044] More specifically, the triangular slider 6 is arranged in a triangular shape, and the inclined surface of the triangular slider 6 is in contact with the bent swing rod 71. When the triangular slider 6 moves up and down, the inclined surface of the triangular slider 6 slides with the end of the bent swing rod 71, pushing the ends of the symmetrically arranged bent swing rod 71 to separate from each other.
[0045] In this embodiment, grooves are provided on both sides of the bottom of the U-shaped bracket 4, and the bent swing rod 71 is inserted into the groove at the end of the U-shaped bracket 4.
[0046] More specifically, the end of the connecting seat 3 away from the U-shaped bracket 4 is fixedly connected to the end of the robotic arm 1.
[0047] The working principle of this utility model is as follows: When in use, the mechanical arm 1 first moves the clamping assembly to the side of the metal part, and the compression spring 72 applies a pushing force to the end of the bending swing rod 71. Due to the movable connection between the pin column 73 and the U-shaped bracket 4, the bending swing rod 71 rotates around the pin column 73 as the axis. At this time, the end of the bending swing rod 71 will drive the anti-slip device 8 of the accessory to separate to both sides.
[0048] When clamping the workpiece, the output rod of the electric cylinder 5 pushes the triangular slider 6 to move. The inclined surface of the triangular slider 6 pushes the ends of the symmetrically arranged bent swing rods 71 to swing to both sides. At this time, the other end of the symmetrically arranged bent swing rods 71 drives the accessory anti-slip device 8 to move inward. The accessory anti-slip devices 8 on both sides are in contact with the surface of the hardware accessory. As the accessory anti-slip device 8 contacts the surface of the accessory, the sleeve 83 slides outside the T-shaped limit post 82, squeezing the return spring 85. At the same time, the return spring 85 pushes the rubber chuck 84 to stick to the surface of the accessory, preventing the smooth hardware accessory from slipping from the inside of the gripper 7. The rubber chuck 84 sticks to the uneven surface of the accessory, which can improve the clamping effect of the hardware accessory. In addition, the rubber chuck 84 at the end of the sleeve 83 contacts the surface of the accessory, which can prevent the surface of the accessory from being scratched.
[0049] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
[0050] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A pick-and-place apparatus for hardware production, characterized by: It includes a robotic arm (1) and a clamping assembly. The clamping assembly is fixedly connected to the end of the robotic arm (1) via a connecting seat (3), and a base (2) is fixed to the other end of the robotic arm (1). The clamping assembly includes a U-shaped bracket (4), an electric cylinder (5) is fixedly connected to the top of the U-shaped bracket (4), and a triangular slider (6) is connected to the end of the electric cylinder (5). The bottom of the U-shaped bracket (4) is symmetrically connected with gripping claws (7), and an accessory anti-slip device (8) is fixedly connected to the end of each gripping claw (7).
2. The pick-and-place apparatus for hardware production according to claim 1, wherein: The end of the connecting seat (3) is fixedly connected to the top of the U-shaped bracket (4), and the electric cylinder (5) is located inside the connecting seat (3).
3. The pick-and-place apparatus for hardware production of claim 1, wherein: The gripper (7) includes a bending swing rod (71), the end of which is fixed with a compression spring (72), and the compression spring (72) is disposed between the bending swing rod (71) and the U-shaped bracket (4).
4. The pick-and-place apparatus for hardware production of claim 3, wherein: The two sides of the bending swing rod (71) are respectively fixedly connected with pins (73), and the bending swing rod (71) is movably connected to the two ends of the U-shaped bracket (4) through the pins (73).
5. The pick-and-place apparatus for hardware production of claim 4, wherein: The triangular slider (6) is located on the upper part of the bent swing rod (71), and the two sides of the triangular slider (6) are respectively attached to the ends of the bent swing rod (71).
6. The clamp transfer apparatus for hardware production of claim 1, wherein: The accessory anti-slip device (8) includes a connecting plate (81) fixedly connected to the end of the bending swing rod (71), and a T-shaped limiting post (82) is provided on the side of the connecting plate (81) away from the bending swing rod (71).
7. The clamp transfer apparatus for hardware production according to claim 6, characterized in that: The T-shaped limiting post (82) and sleeve (83) are provided in multiple ways, and the multiple T-shaped limiting posts (82) and sleeves (83) are fixed on the side of the connecting plate (81) in a rectangular array.
8. The clamp transfer apparatus for hardware production according to claim 7, characterized in that: Each of the aforementioned sleeves (83) has a rubber clamp (84) attached to its end, and the rubber clamp (84) is configured to be conical.
9. The hardware production pick-and-place apparatus of claim 8, wherein: Each of the sleeves (83) contains a return spring (85), and the end of the return spring (85) is in contact with the end of the T-shaped limiting post (82).