Fixture finger structure

By designing a clamping finger structure and utilizing the synergistic effect of the clamping cylinder and the installation cylinder, the stable fixing and accurate positioning of irregularly shaped pins are achieved, solving the problems of low efficiency and difficulty in guaranteeing accuracy in existing technologies, and improving the efficiency and safety of pin assembly.

CN223815905UActive Publication Date: 2026-01-20XINMEI POWER TECH (DONGGUAN) CO LTD
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Patent Information

Application Number
CN202423317942.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2026-01-20
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

When assembling multiple irregularly shaped pins, existing technologies require multiple adjustments to the fixture, resulting in low efficiency and difficulty in guaranteeing accuracy.

Method used

The device employs a clamping finger structure, including a clamping cylinder, an installation cylinder, and a base. Through the coordinated action of the clamping cylinder and the installation cylinder, and utilizing the design of the clamping base, limiting plate, locking plate, and base plate, the device achieves stable fixation and accurate positioning of the insertion pin. Combined with the rapid response of the pneumatic connection and the evenly distributed clamping force, it ensures accurate installation of the insertion pin.

Benefits of technology

It improves the efficiency and accuracy of pin assembly, reduces labor costs and accuracy deviations, ensures the stability and safety of pins in vibration or shock environments, and simplifies the process flow.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223815905U_ABST
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Abstract

The utility model relates to a clamp finger structure in the technical field of contact pin clamps, which comprises a clamping cylinder, a mounting cylinder and a base, the two ends of the clamping cylinder are connected with clamping seats, and a clamping assembly comprises a limiting plate, a clamping plate and a bottom plate; according to the utility model, when a plurality of irregularly-shaped pins are arranged, the first fixing plate and the second fixing plate can be adopted to ensure that the pins are stably fixed on the mounting rack and are prevented from shifting in the operation process, and through the design of the clamping grooves, the tooth grooves and the sliding grooves, the positions of the pins can be conveniently controlled, and the pins can be ensured to be consistent during clamping; the installation accuracy of the contact pin is ensured by adopting a two-end clamping mode, the manpower cost is reduced by an automatic structure, and meanwhile, the precision deviation caused by multiple operations of technicians at different levels is reduced; through a simplified structure, assembling of a plurality of irregular-shaped pins can be completed, an expectable installation effect can be achieved, and orderly operation of procedures is achieved in cooperation with process.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a pin clamp technical field especially a clamp finger structure. BACKGROUND

[0002] Pin assembly refers to inserting the pin of electronic component or specially designed connecting pin into the hole drilled in advance on the specified product, when the irregular shape pin and the quantity are multiple, multiple adjustment clamps or single process are often used to install the pin one by one, which increases the process and reduces the work efficiency, on the other hand, when multiple assembly processes or multiple adjustment clamps are used, due to the different levels of adjustment technicians, the adjustment accuracy is also different, and the personnel's technology and clamp structure need to be standardized training and adjustment for processing improvement, which further increases the process and reduces the work efficiency, therefore, the present application provides a clamp finger structure to solve the above technical problems. SUMMARY

[0003] The utility model provides a technical scheme to solve the above problems.

[0004] A clamp finger structure, comprising a clamping cylinder, a mounting cylinder and a base, both ends of the clamping cylinder are connected with clamping seats, one end of the mounting cylinder is provided with a supporting seat, the surface of the supporting seat is connected with a mounting seat, one end of the mounting seat is in abutment with the surface of the base, the surface of the clamping seat is connected with a mounting frame, the surface of the mounting frame is provided with a pin, the surface of the mounting frame is provided with a first fixing plate and a second fixing plate for fixing the position of the pin, the pin is in a bent structure, one end of the mounting frame is connected with a clamping block, the surface of the clamping block is provided with a clamping groove for limiting the position of the pin, the surface of the clamping seat is connected with a clamping assembly for assisting the pin in position limiting.

[0005] The clamping assembly comprises a limiting plate, a clamping plate and a bottom plate, the limiting plate and the bottom plate are vertically installed, the surface of the clamping plate is attached to the surface of the limiting plate, the surface of the limiting plate and the surface of the bottom plate are both provided with a tooth groove and a sliding groove for assisting the pin in position limiting, the surface of the clamping plate is provided with a plate groove, the plate groove is used for clamping the surface of the pin, and one end of the mounting seat is connected with a pushing rod for pushing the pin.

[0006] The first fixing plate and the second fixing plate ensure the stable fixing of the pin on the mounting frame, prevent displacement during operation, and the design of the clamping groove, the tooth groove and the sliding groove facilitates the control of the position of the pin and ensures consistent clamping.

[0007] When clamping, through the cooperation of the clamping cylinder and the mounting cylinder, the clamping cylinder operates the clamping base, so that the clamping base drives the limiting plate, the clamping plate and the bottom plate to limit the position of the pin, since the pin is in a bent structure and the number is four, the two-end clamping mode ensures the installation accuracy of the pin, after accurate positioning, the mounting cylinder is started, the driving force of the mounting cylinder drives the push rod at one end of the mounting seat, so that the push rod drives the pin to move towards the sleeve direction matched with the pin for installation, and the process of installing the pin is completed.

[0008] Further, the clamping cylinder and the clamping base are pneumatically connected, and the mounting cylinder and the push rod are pneumatically connected; the pneumatic system has the characteristics of rapid response, can quickly realize clamping or loosening action, improves the operation efficiency, and can control the clamping force by adjusting the air pressure, ensures consistent pressure during clamping, guarantees the installation accuracy, when encountering abnormal conditions, the excess pressure is released through exhaust, avoiding damaging the equipment or workpiece, reducing the risk of accidental falling caused by mechanical failure, and ensuring the safety of operation.

[0009] Further, the clamping assembly is installed at both ends of the mounting frame, and the limiting plate, the clamping plate and the bottom plate are arranged in left-right opening and closing mode; the left-right symmetrical design ensures that the clamping force on both sides is evenly distributed, avoiding workpiece deformation or sliding caused by uneven single-sided force, and the symmetrical design makes the two clamping assemblies have the same working characteristics during operation, ensuring the consistency and reliability of clamping, in addition, the left-right opening and closing arrangement can more evenly distribute the pressure, enhancing the rigidity and stability of the overall structure, reducing vibration and shaking, and maintaining good clamping effect.

[0010] Further, one end of the mounting frame is connected with a push block, one end of the push block is pneumatically connected with the push rod, and the surface of the push block is attached to the surface of the mounting frame; the pneumatic connection enables the push block to transmit power to the surface of the push rod, and the push block plays a buffering role, avoiding direct contact between the force and the push rod, and avoiding deformation or damage caused by excessive local force.

[0011] Further, one end of the sliding groove is communicated with the tooth groove; the communication between the sliding groove and the tooth groove ensures that the pin can move accurately along the predetermined path when inserted or extracted, avoiding deviation or jamming, and the through design makes the pin more evenly bear pressure from all directions during sliding, reducing deformation or damage caused by excessive local force, and the structure can maintain good clamping effect in a vibrating or impacting environment, enhancing the stability of the overall structure.

[0012] Further, one end of the limiting plate is a reinforcing plate, which can improve the strength of the tail structure of the limiting plate, avoid the deformation of the end of the limiting plate when subjected to external force such as impact or pressure, disperse the force by the reinforcing plate, reduce local stress concentration, and thus avoid the deformation or fracture of the limiting plate.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、In response to irregularly shaped pins, and multiple, the first fixed plate and the second fixed plate can ensure the stable fixing of the pins on the mounting frame, prevent displacement during operation, and through the design of the clamping groove, the tooth groove and the sliding groove, the position of the pin can be controlled to ensure consistent clamping;

[0015] 2、When clamping, the clamping cylinder and the mounting cylinder cooperate to complete the assembly of the pin, the clamping cylinder operates the clamping seat, the clamping seat drives the limiting plate, the clamping plate and the bottom plate to open and close left and right, the tooth groove, the sliding groove and the plate groove limit the position of the pin, the pin is bent and has four pins, and the two-end clamping mode ensures the installation accuracy of the pin, when the position is accurate, the mounting cylinder is started, the driving force of the mounting cylinder drives the push rod at one end of the mounting seat, so that the push rod drives the pin to move towards the sleeve direction matched with the pin, the installation force generated by the movement makes the pin embedded in the inside of the sleeve, the process of installing the pin is completed, the automatic structure reduces the labor cost, and the precision deviation caused by multiple operations of different technical personnel is reduced;

[0016] 3、The utility model discloses a simple structure can complete the assembly of multiple irregularly shaped pins, and the expected installation effect is achieved, after the installation of the pin is completed, a semi-finished product is formed, the semi-finished product is removed by manual mode, and quality inspection is carried out, after the inspection is correct, the semi-finished product can be arranged to store in the warehouse, and the process is orderly through the process. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front view of a clamp finger structure;

[0018] Figure 2 It is a perspective view of a clamp finger structure;

[0019] Figure 3 It is another perspective view of a clamp finger structure;

[0020] Figure 4 It is a partial structure perspective view of a clamp finger structure;

[0021] Figure 5 It is another partial structure perspective view of a clamp finger structure;

[0022] Figure 6 is another partial structure perspective view of the clamp finger structure;

[0023] Figure 7 is still another partial structure perspective view of the clamp finger structure;

[0024] Figure 8 is a perspective view of a mounting frame in the clamp finger structure;

[0025] Figure 9 is another perspective view of the mounting frame in the clamp finger structure;

[0026] Figure 10 is a perspective view of a limiting plate in the clamp finger structure;

[0027] Figure 11 is a perspective modeling reference view of a clamping assembly in the clamp finger structure;

[0028] Figure 12 is another perspective modeling reference view of the clamping assembly in the clamp finger structure;

[0029] Figure 13 is a perspective modeling reference view of the mounting frame in the clamp finger structure;

[0030] Figure 14 is another perspective modeling reference view of the mounting frame in the clamp finger structure;

[0031] In the figure: clamping cylinder-1, mounting cylinder-2, base-3, support seat-4, mounting seat-5, mounting frame-6, pin-7, first fixed plate-8, second fixed plate-9, clamping block-10, limiting plate-11, clamping plate-12, bottom plate-13, tooth groove-14, sliding groove-15, plate groove-16, pushing rod-17, pushing block-18, reinforcing plate-19, clamping seat-20, clamping groove-21. DETAILED DESCRIPTION

[0032] The utility model will be described in further detail below in combination with the drawings and specific embodiments.

[0033] In this embodiment, please refer to Figures 1-14A specific implementation of a clamp finger structure, comprising a clamping cylinder 1, a mounting cylinder 2 and a base 3, both ends of the clamping cylinder 1 are connected with a clamping seat 20, one end of the mounting cylinder 2 is provided with a supporting seat 4, the surface of the supporting seat 4 is connected with a mounting seat 5, one end of the mounting seat 5 is in abutment with the surface of the base 3, the surface of the clamping seat 20 is connected with a mounting bracket 6, the surface of the mounting bracket 6 is provided with a pin 7, the surface of the mounting bracket 6 is provided with a first fixing plate 8 and a second fixing plate 9 for fixing the position of the pin 7, the pin 7 is in a bent structure, one end of the mounting bracket 6 is connected with a clamping block 10, the surface of the clamping block 10 is provided with a clamping groove 21 for limiting the position of the pin 7, the surface of the clamping seat 20 is connected with a clamping assembly for assisting the pin 7 in position limiting;

[0034] The clamping assembly comprises a limiting plate 11, a clamping plate 12 and a bottom plate 13, the limiting plate 11 and the bottom plate 13 are vertically installed, the surface of the clamping plate 12 is in contact with the surface of the limiting plate 11, the surfaces of the limiting plate 11 and the bottom plate 13 are both provided with a tooth groove 14 and a sliding groove 15 for assisting the pin 7 in position limiting, the surface of the clamping plate 12 is provided with a plate groove 16 for clamping the surface of the pin 7, one end of the mounting seat 5 is connected with a pushing rod 17 for pushing the pin 7;

[0035] The first fixing plate 8 and the second fixing plate 9 ensure the stable fixing of the pin 7 on the mounting bracket 6, preventing displacement during operation, and the design of the clamping groove 21, the tooth groove 14 and the sliding groove 15 facilitates the control of the position of the pin 7, ensuring consistency during clamping;

[0036] During clamping, through the cooperation of the clamping cylinder 1 and the mounting cylinder 2, the operation of the clamping cylinder 1 causes the clamping seat 20 to drive the limiting plate 11, the clamping plate 12 and the bottom plate 13 to limit the position of the pin 7, since the pin 7 is in a bent structure and there are four pins, the clamping at both ends ensures the installation accuracy of the pin 7, after accurate positioning, the mounting cylinder 2 is started to drive the pushing rod 17 at one end of the mounting seat 5, so that the pushing rod 17 drives the pin 7 to move towards the direction of the sleeve paired with the pin 7, completing the installation process of the pin 7.

[0037] The clamping cylinder 1 and the clamping seat 20 are pneumatically connected, and the mounting cylinder 2 and the pushing rod 17 are pneumatically connected; the pneumatic system has the characteristics of rapid response, can quickly realize clamping or loosening action, improves the operation efficiency, and through adjusting the air pressure, the clamping force can be controlled to ensure consistent pressure during clamping, ensuring installation accuracy, when encountering abnormal conditions, excess pressure is released through exhaust to avoid damaging equipment or workpieces, reducing the risk of accidental falling due to mechanical failure, and ensuring the safety of operation.

[0038] The clamping assembly is installed at two ends of the mounting frame 6, and the limiting plate 11, the clamping plate 12 and the bottom plate 13 are all provided with left-right opening and closing structures; the symmetrical design ensures that the clamping forces on both sides are uniformly distributed, avoids the deformation or sliding of the workpiece caused by uneven force on one side, and the symmetrical design makes the clamping assemblies on both sides have the same working characteristics during operation, ensures the consistency and reliability of clamping, in addition, the left-right opening and closing structure can more evenly distribute the pressure, enhance the rigidity and stability of the overall structure, reduce vibration and shaking, and maintain good clamping effect.

[0039] One end of the mounting frame 6 is connected with a push block 18, one end of the push block 18 is connected with the push rod 17 in a pneumatic manner, and the surface of the push block 18 is attached to the surface of the mounting frame 6; the pneumatic connection enables the push block 18 to transmit power to the surface of the push rod 17, and the push block 18 plays a buffering role, avoiding direct contact between the force and the push rod 17, and avoiding deformation or damage caused by excessive local stress.

[0040] One end of the chute 15 is connected with the tooth groove 14; the connection of the chute 15 and the tooth groove 14 ensures that the pin 7 can move accurately along the predetermined path when inserted or extracted, avoids deviation or jamming, and the through design enables the pin 7 to bear pressure more evenly in all directions during sliding, reduces deformation or damage caused by excessive local stress, and the structure can maintain good clamping effect in a vibrating or impacting environment, and enhances the stability of the overall structure.

[0041] One end of the limiting plate 11 is a reinforcing plate 19, which can improve the strength of the tail structure of the limiting plate 11, avoid the probability of deformation of the end of the limiting plate 11 when subjected to external forces such as impact or pressure, and disperse these forces by using the reinforcing plate 19, thereby reducing local stress concentration and avoiding the probability of deformation or fracture of the limiting plate 11.

[0042] The design points of the utility model are: when the irregularly shaped pins 7 are multiple, the first fixed plate 8 and the second fixed plate 9 can be used to ensure the stable fixation of the pins 7 on the mounting frame 6, prevent displacement during operation, and the design of the clamping groove 21, the tooth groove 14 and the chute 15 facilitates the control of the position of the pin 7 and ensures that the clamping is consistent;

[0043] When clamping, the assembly of the pin 7 is completed through the cooperation of the clamping cylinder 1 and the mounting cylinder 2. When the clamping cylinder 1 operates the clamping seat 20, the clamping seat 20 drives the limiting plate 11, the clamping plate 12 and the bottom plate 13 to open and close left and right, and the tooth groove 14, the sliding groove 15 and the plate groove 16 limit the position of the pin 7. Since the pin 7 is in a bent structure and the number is four, the two-end clamping mode ensures the installation accuracy of the pin 7. When the position is accurate, the mounting cylinder 2 is started to drive the driving force of the mounting cylinder 2 to drive the push rod 17 at one end of the mounting seat 5, so that the push rod 17 drives the first fixed plate 8 and the second fixed plate 9 to move the pin 7 towards the sleeve direction matched with the pin 7, as shown in Figure 14 The installation force generated by the movement makes the pin 7 embedded in the inside of the sleeve, and the process of installing the pin 7 is completed.

[0044] The utility model discloses a simple structure can complete the assembly of multiple irregular shape pins 7, and reaches the expected installation effect. After the installation of the pin 7 is completed, a semi-finished product is formed. The semi-finished product is removed by manual method, and quality inspection is carried out. After the inspection is correct, the semi-finished product can be arranged to store in the warehouse.

[0045] The above content is a further detailed description of the utility model in combination with specific preferred embodiments, and cannot be considered as the specific implementation of the utility model being limited to these descriptions. For ordinary skilled persons in the technical field of the utility model, some simple deductions or substitutions can be made without departing from the concept of the utility model, and all of them should be considered as the protection scope of the utility model.

Claims

1. A clamping finger structure, comprising a clamping cylinder, a mounting cylinder, and a base, characterized in that: Both ends of the clamping cylinder are connected to clamping seats. One end of the mounting cylinder is equipped with a support seat. The surface of the support seat is connected to a mounting seat. One end of the mounting seat abuts against the surface of the base. The surface of the clamping seat is connected to a mounting bracket. The surface of the mounting bracket is equipped with a pin. The surface of the mounting bracket is provided with a first fixing plate and a second fixing plate for fixing the position of the pin. The pin has a bent structure. One end of the mounting bracket is connected to a locking block. The surface of the locking block is provided with a locking groove for limiting the position of the pin. The surface of the clamping seat is connected to a clamping component for assisting in limiting the position of the pin. The clamping assembly includes a limiting plate, a clamping plate, and a base plate. The limiting plate and the base plate are installed vertically. The surface of the clamping plate is in contact with the surface of the limiting plate. Both the surface of the limiting plate and the base plate are provided with grooves and slots to assist the pin in positioning. The surface of the clamping plate is provided with a plate groove for clamping the surface of the pin. One end of the mounting base is connected to a push rod for pushing the pin.

2. The clamping finger structure according to claim 1, characterized in that: The clamping cylinder and the clamping seat are pneumatically connected, and the mounting cylinder and the push rod are pneumatically connected.

3. The clamping finger structure according to claim 1, characterized in that: The clamping components are mounted on both ends of the mounting frame, with the limiting plate, clamping plate, and base plate all designed to open and close from left to right.

4. A clamping finger structure according to any one of claims 1-3, characterized in that: One end of the mounting bracket is connected to a push block, and one end of the push block is pneumatically connected to the push rod. The surface of the push block is in contact with the surface of the mounting bracket.

5. A clamping finger structure according to any one of claims 1-3, characterized in that: One end of the groove is connected to the tooth groove.

6. A clamping finger structure according to any one of claims 1-3, characterized in that: One end of the limiting plate is a reinforcing plate.