Double-clamping hook pin convenient to adjust

Abstract

The utility model relates to the technical field of clamping hook pins, in particular to a double-clamping hook pin convenient to adjust, which comprises a movable frame, an adjusting frame is mounted on one side of the movable frame, a connecting seat is connected onto the adjusting frame in a sliding manner, a protective cover is mounted at the other end of the connecting seat, an air cylinder is mounted on the protective cover, and the air cylinder is mounted on the movable frame. A clamping hook pin body is installed at the output end of the air cylinder and the top end of the protective cover, an up-down sliding mechanism is installed on the adjusting frame and the connecting base, air bags are installed on the two sides of the inner wall of the protective cover, and the opposite faces of the two air bags are fixedly connected with the outer wall of the air cylinder. The clamping hook pin is simple in structure and convenient to operate, during actual machining operation, a worker can conveniently and flexibly adjust the vertical position of the clamping hook pin body according to holes in different depth positions of different parts, and the practicability of the device is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of clamping hook pin, specifically relates to a double clamping hook pin convenient to adjust. BACKGROUND

[0002] At present, the automobile welding mostly adopts the robot operation, but in the narrow place, the single independent part clamp and the vertical positioning pin cannot be clamped, at this moment, the hook pin is mostly used to fix. But the clamping of the standard hook pin is only single side clamping, and the clamping force is not enough and unstable. And because the position of the hook pin needs to be adjusted to adapt to the hole position, the existing hook pin mostly uses the increase or decrease of the gasket to adjust the position, and this kind of mode needs to unscrew and refix the fixing bolt every time, which is time-consuming and troublesome. In view of the above problems, a hook pin that increases the clamping force, the clamping stability and is convenient to adjust needs to be solved.

[0003] In order to solve the above technical problems, the existing technology discloses a kind of double clamping hook pin convenient to adjust in the Chinese patent with the announcement number CN214291600U, including fixed block, connecting block, pin seat and hook pin mechanism, pin seat installs hook pin mechanism, one side of connecting block is connected with pin seat, the other side of connecting block is connected with fixed block, it is characterized in that: adjustable gasket is equipped between connecting block and pin seat and between connecting block and fixed block, and hook pin mechanism is equipped with two pressure paws.

[0004] Although the above-mentioned prior art scheme can adjust the position of the two groups of clamping hook pins in front and back and left and right directions, so that they can be inserted into the inside of the hole to clamp the edge, but it does not design the adjusting part in the upward and downward direction, and the clamping hook pins cannot be inserted according to the holes with different depths on the clamping part, thereby affecting the practicability in actual work. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of double clamping hook pin convenient to adjust to solve the problem that it is not designed the adjusting part in the upward and downward direction in the above background art, clamping hook pin cannot be inserted according to the holes with different depths on the clamping part, thereby affecting the practicability in actual work.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The utility model provides a double -clamping hook pin of convenient adjustment, including movable frame, one side of movable frame is equipped with the adjustment frame, the sliding connection of adjustment frame is equipped with connecting seat, the other end of connecting seat is equipped with the protective cover, the installation of pneumatic cylinder is equipped with the clamping hook pin main part on the protective cover, the output of pneumatic cylinder and the top end of protective cover, the sliding mechanism of up and down of adjustment frame and connecting seat is equipped with, sliding mechanism up and down includes fixed seat, docking assembly, compression assembly and abutment assembly, one end of fixed seat is installed to the outer wall of connecting seat, docking assembly is used for the preliminary positioning of connecting seat on adjustment frame, compression assembly is used for the position of connecting seat is unlocked with docking assembly, abutment assembly is used for the position of connecting seat is locked with compression assembly.

[0008] As the preferred scheme of the utility model, the docking assembly includes a movable rod slidingly connected inside the fixed seat, a rotating groove is formed on the outside of the movable rod inside the fixed seat, a rotating disc is slidingly connected inside the rotating groove, the rotating disc is rotationally connected with the movable rod, first springs are installed between both ends of one side of the rotating disc and the inner wall of the rotating groove, a plurality of docking grooves extending into the inside of the connecting seat are formed inside the adjustment frame.

[0009] As the preferred scheme of the utility model, a retraction groove is formed on the side of the fixed seat close to the docking groove, a clamping block is installed at one end of the movable rod, the side cross-section of the docking groove is in a cross shape, the docking groove is slidingly connected with the clamping block, the diameter of the movable rod is greater than the width of the port when the docking groove is in the longitudinal and transverse directions, and the center of the movable rod and the docking groove is slidingly connected.

[0010] As the preferred scheme of the utility model, the compression assembly includes a mounting groove formed in the inside of the connecting seat on the side of the docking groove, the mounting groove is a circular groove, a bottom disc is rotationally connected inside the mounting groove, second springs are installed at both ends of the top of the bottom disc, a docking disc is installed at the top of the bottom disc, a positioning block is installed at the top of the docking disc, a positioning groove is formed at the bottom of the clamping block to be engaged with the positioning block, and the docking disc is slidingly connected with the inside of the mounting groove.

[0011] As the preferred scheme of the utility model, the abutment assembly includes an abutment groove formed in the inside of the connecting seat on both ends of the inner wall of the mounting groove, a third spring is installed inside the abutment groove, an abutment block is installed at one end of the third spring, the abutment block is snapingly connected with the abutment groove, the side cross-section of the clamping block is in a U shape, a clamping groove is formed at the bottom of each of the opposite faces of the two abutment blocks to be engaged with the protruding ends of the two sides of the clamping block, an inclined surface is formed at both ends of the clamping block, a slope is formed at one end of each of the two abutment blocks close to the clamping block, the inclined surface and the slope are mutually fitted, an extension groove is formed at one side of the rotating groove inside the fixed seat, and a pull ring is rotationally connected at one end of the movable rod extending into the inside of the extension groove.

[0012] As the preferred scheme of the utility model, the one side of the fixed seat outer wall is equipped with a closing groove, the closing groove inner side is slidably connected with a cover plate, the closing groove inner wall both sides are equipped with synchronous grooves, the both ends of the cover plate are equipped with synchronous blocks which are slidably connected with the synchronous grooves, one end of the cover plate is embeddedly installed with a first magnetic piece, the closing groove inner wall is embeddedly installed with a second magnetic piece which is adsorbed with the first magnetic piece, one side of the cover plate is equipped with a buckle moving groove.

[0013] As the preferred scheme of the utility model, the both sides of the protection cover inner wall are installed with air bags, the opposite sides of the two groups of air bags are fixedly connected with the outer wall of the air cylinder.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] In the utility model, the position of the connecting seat is unlocked by the pressing assembly and the docking assembly, and the position of the connecting seat is locked by the abutting assembly and the pressing assembly, so that the structure is simple, the operation is convenient, and the upper and lower positions of the clamping hook pin body can be flexibly adjusted according to the holes at different depths on different parts during actual machining operation, and the practicability of the device is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model;

[0017] Figure 2 It is a local three-dimensional structure schematic view of the adjusting frame of the utility model;

[0018] Figure 3 It is a local three-dimensional structure schematic view of the fixed seat of the utility model;

[0019] Figure 4 It is a local sectional structure schematic view of the up-and-down sliding mechanism of the utility model.

[0020] In the drawing: 1, movable frame; 2, connecting seat; 3, adjusting frame; 4, movable rod; 5, fixed seat; 6, rotating disc; 7, docking groove; 8, clamping block; 9, base plate; 10, docking disc; 11, positioning block; 12, abutting groove; 13, abutting block; 14, first magnetic piece; 15, inclined plane; 16, pull ring; 17, cover plate; 18, synchronous groove; 19, protection cover; 20, air cylinder; 21, clamping hook pin body; 22, air bag. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0022] Embodiment: please refer to Figures 1-4 The utility model provides a technical scheme:

[0023] A double clamping hook pin convenient to adjust, including movable frame 1, one side of movable frame 1 is installed with adjusting frame 3, slidingly connected with connecting seat 2 on adjusting frame 3, the other end of connecting seat 2 is installed with protective cover 19, the protective cover 19 is installed with pneumatic cylinder 20, the output end of pneumatic cylinder 20 and the top end of protective cover 19 are installed with clamping hook pin main part 21, and the upper and lower sliding mechanism is installed on adjusting frame 3 and connecting seat 2, and the upper and lower sliding mechanism includes fixed seat 5, butt joint assembly, compression assembly and abutment assembly, fixed seat 5 is installed on one end of the outer wall of connecting seat 2, butt joint assembly is used to preliminarily position connecting seat 2 on adjusting frame 3, compression assembly is used to unlock the position of connecting seat 2 in cooperation with butt joint assembly, and abutment assembly is used to lock the position of connecting seat 2 in cooperation with compression assembly, the device can unlock the position of connecting seat 2 in cooperation with butt joint assembly when using, and the position of connecting seat 2 is locked in cooperation with compression assembly, so that the structure is simple, convenient to operate, and the upper and lower positions of clamping hook pin main part 21 can be flexibly adjusted according to the holes in different deep positions on different parts when actually processing, and the practicability of the device is further improved.

[0024] In the embodiment, as shown in Figure 1 、 Figure 2 and Figure 3 , the butt joint assembly includes movable rod 4 slidingly connected in the inside of fixed seat 5, a rotary groove is formed in the outside of movable rod 4 in the inside of fixed seat 5, rotary disc 6 is slidingly connected in the inside of rotary groove, rotary disc 6 is rotationally connected with movable rod 4, first spring is installed between the two ends of one side of rotary disc 6 and the inner wall of rotary groove, a plurality of butt joint grooves 7 extending to the inside of connecting seat 2 are arranged in the inside of adjusting frame 3, first, connecting seat 2 drives protective cover 19 and clamping hook pin main part 21 to slide up and down along the inside of adjusting frame 3, until they are moved to the appropriate position, then pull ring 16 is buckled to twist movable rod 4 so that clamping block 8 is rotated to the longitudinal direction, and then pull ring 16 drives clamping block 8 to pass through the inside of butt joint groove 7, and then clamping block 8 is continuously pressed into the inside of installation groove to be butted.

[0025] In the embodiment, as shown in Figure 2 、 Figure 3 and Figure 4As shown, the fixed seat 5 is provided with a retraction groove near one side of the docking groove 7, one end of the movable rod 4 is provided with a clamping block 8, the side section of the docking groove 7 is cross-shaped, the docking groove 7 and the clamping block 8 are in sliding connection, the diameter of the movable rod 4 is greater than the width of the port in the longitudinal and transverse directions of the docking groove 7, the center of the movable rod 4 and the docking groove 7 is in sliding connection, the compression assembly comprises a mounting groove provided in the inside of the connecting seat 2 and located at one side of the docking groove 7, the mounting groove is a circular groove, the inside of the mounting groove is rotatably connected with a bottom disc 9, the top of the bottom disc 9 is provided with a second spring at both ends, the top end of the second spring is provided with a docking disc 10, the top of the docking disc 10 is provided with a positioning block 11, the bottom end of the clamping block 8 is provided with a positioning groove matched with the positioning block 11, the inside of the docking disc 10 and the mounting groove is in sliding connection, then, the pull ring 16 is buckled and continuously pressed downward to extrude the movable rod 4 to drive the rotating disc 6 to stretch the first spring, the two ends of the clamping block 8 contact the abutting blocks 13 on both sides to make the inclined surface 15 and the slope surface contact and extrude each other, the abutting blocks 13 are compressed to drive the third spring to retract, after the clamping block 8 moves downward and is disengaged from the abutting blocks 13, the abutting blocks 13 are reset by the rebound of the third spring, at this time, the positioning block 11 is clamped into the positioning groove, the docking disc 10 compresses the second spring to retract, then, the clamping block 8 is pulled back by a distance to make the protruding ends on both sides of the clamping block 8 also clamped into the inside of the fixed groove, the abutting blocks 13 and the docking disc 10 tightly abut the clamping block 8 to lock the position of the connecting seat 2, at this time, the position of the clamping hook pin body 21 is also fixed, and the air cylinder 20 can clamp the edge of the corresponding hole.

[0026] In this embodiment, as shown in Figure 2 , Figure 3 and Figure 4 , the abutting assembly comprises an abutting groove 12 provided in the inside of the connecting seat 2 and located at both ends of the inner wall of the mounting groove, the inside of the abutting groove 12 is provided with a third spring, one end of the third spring is provided with an abutting block 13, the abutting block 13 and the abutting groove 12 are in clamping connection, the side section of the clamping block 8 is U-shaped, the bottom end of the opposite surface of the two groups of abutting blocks 13 is provided with a clamping groove matched with the protruding ends on both sides of the clamping block 8, the two ends of the clamping block 8 are provided with an inclined surface 15, the end near the clamping block 8 of the two groups of abutting blocks 13 is provided with a slope surface, the inclined surface 15 and the slope surface are in close contact with each other, the inside of the fixed seat 5 is provided with an extension groove at one side of the rotating groove, one end of the movable rod 4 extending to the inside of the extension groove is rotatably connected with a pull ring 16, further, when the upper and lower positions need to be adjusted again for processing different parts, the movable rod 4 can be pressed again to drive the clamping block 8, the docking disc 10 and the first spring to move downward by a distance, the clamping block 8 is away from the inside of the fixed groove, and the bottom disc 9 is rotated to disengage the abutting blocks 13 and then pulled and moved, the clamping block 8 is pulled back after moving to the port of the docking groove 7, the clamping block 8 enters the inside of the retraction groove, at this time, the pull ring 16 can be held and buckled to drive the connecting seat 2 to slide along the inside of the adjusting frame 3 for adjustment, and the clamping hook pin body 21 is also driven to move.

[0027] In this embodiment, as shown inFigure 2 , Figure 3 and Figure 4 As shown, a closing groove is provided on one side of the outer wall of the fixed base 5. A cover plate 17 is slidably connected to the inner side of the closing groove. Synchronization grooves 18 are provided on both sides of the inner wall of the closing groove. Synchronization blocks that are slidably connected to the synchronization grooves 18 are installed at both ends of the cover plate 17. A first magnetic component 14 is embedded in one end of the cover plate 17. A second magnetic component that attracts the first magnetic component 14 is embedded in the inner wall of the closing groove. A snap-shift groove is provided on one side of the cover plate 17. Furthermore, after adjustment and locking, the snap-shift groove on the cover plate 17 can be snapped to drive the cover plate 17 to move. The synchronous blocks move synchronously inside the synchronization grooves 18 to ensure the stability of the cover plate 17 during movement and prevent it from detaching from the inner side of the closing groove during movement. After the cover plate 17 is brought close to the inner wall of the other side of the closing groove, the first magnetic component 14 and the second magnetic component adhere and attract each other, achieving the effect of sealing the pull ring 16 inside the extension groove, so as to prevent subsequent personnel from accidentally touching it and causing the position of the clamping hook body 21 to loosen, affecting the processing operation.

[0028] In this embodiment, as Figure 1 As shown, airbags 22 are installed on both sides of the inner wall of the protective cover 19. The opposing surfaces of the two sets of airbags 22 are fixedly connected to the outer wall of the cylinder 20. Furthermore, the protective cover 19 can prevent external objects from directly colliding with the body of the cylinder 20, protecting the cylinder 20 from damage. If the outer wall of the protective cover 19 is directly impacted, the impact force will be transmitted to the airbags 22 first. The airbags 22 can deform during the force process to reduce the impact, further improving the protection effect of the cylinder 20 and avoiding damage to the cylinder 20 during processing operations, thus affecting processing efficiency.

[0029] The implementation principle of the double-clamping hook pin convenient to adjust is as follows: the connecting seat 2 drives the protective cover 19 and the clamping hook pin body 21 to slide up and down along the inner side of the adjusting frame 3 until the connecting seat 2 is moved to a suitable position, then the pull ring 16 is buckled to twist the movable rod 4 to make the clamping block 8 rotate to be vertical, the pull ring 16 drives the clamping block 8 to pass through the inner side of the butt joint groove 7, then the clamping block 8 is continuously pressed to enter the inner side of the installation groove to be butt jointed, the pull ring 16 is buckled to continuously press the movable rod 4 to drive the rotating disc 6 to stretch the first spring, the two ends of the clamping block 8 contact the abutting blocks 13 on the two sides to make the inclined surface 15 and the slope surface contact and press each other, the abutting blocks 13 are pressed to drive the third spring to retract, after the clamping block 8 continues to move downward and is staggered from the abutting blocks 13, the abutting blocks 13 are reset by the third spring, at this time, the positioning block 11 is clamped into the positioning groove, the butt joint disc 10 presses the second spring to retract, then a distance is pulled back to make the protruding ends on the two sides of the clamping block 8 also clamped into the inner side of the fixed groove, the abutting blocks 13 and the butt joint disc 10 abut the clamping block 8 to lock the position of the connecting seat 2, at this time, the position of the clamping hook pin body 21 is also fixed, the air cylinder 20 can clamp the edge of the corresponding hole, when different parts need to be processed again, the clamping block 8 and the butt joint disc 10 and the first spring can be moved downward by a distance by pressing the movable rod 4 again, the clamping block 8 is away from the inner side of the fixed groove, and the bottom disc 9 is rotated to move the clamping block 8 to the port of the butt joint groove 7, then the clamping block 8 is pulled back to enter the retraction groove, at this time, the pull ring 16 is buckled to slide the connecting seat 2 along the inner side of the adjusting frame 3 to adjust the position of the clamping hook pin body 21, after the position is adjusted and locked, the pull ring 16 is buckled to move the cover plate 17, the synchronous block moves in the synchronous groove 18 to ensure the stability of the cover plate 17 during movement, the first magnetic element 14 and the second magnetic element are abutted and adsorbed after the cover plate 17 is close to the inner wall on the other side of the closing groove, the pull ring 16 is closed in the extension groove, the pull ring 16 is prevented from being touched by subsequent personnel, the position of the clamping hook pin body 21 is prevented from being loosened to affect the processing operation, the protective cover 19 can prevent external objects from directly colliding with the body of the air cylinder 20, the air cylinder 20 is protected from being damaged, and if the outer wall of the protective cover 19 is directly collided, the impact force is first transmitted to the air bag 22, the air bag 22 is deformed during the force process to slow down the impact, the protection effect of the air cylinder 20 is further improved, and the air cylinder 20 is prevented from being damaged to affect the processing efficiency during the implementation of the processing operation.

[0030] The control mode of the utility model is controlled by the controller, the control circuit of the controller can be realized by simple programming of the person skilled in the art, the power supply also belongs to the public knowledge in the field, and the utility model is used to protect the mechanical device, so the utility model will not explain the control mode and circuit connection in detail.

[0031] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A double clamping hook pin for easy adjustment comprising a movable bracket (1) characterized in that: The side of the movable frame (1) is provided with an adjusting frame (3), the adjusting frame (3) is slidably connected with a connecting seat (2), the other end of the connecting seat (2) is provided with a protective cover (19), the protective cover (19) is provided with a pneumatic cylinder (20), the output end of the pneumatic cylinder (20) and the top end of the protective cover (19) are provided with a clamping hook pin body (21), the adjusting frame (3) and the connecting seat (2) are provided with an up-down sliding mechanism, the up-down sliding mechanism comprises a fixed seat (5), a butt joint assembly, a pressing assembly and an abutting assembly, one end of the fixed seat (5) is arranged on the outer wall of the connecting seat (2), the butt joint assembly is used for preliminarily positioning the connecting seat (2) on the adjusting frame (3), the pressing assembly is used for unlocking the position of the connecting seat (2) in cooperation with the butt joint assembly, and the abutting assembly is used for locking the position of the connecting seat (2) in cooperation with the pressing assembly.

2. A dual clamping hook pin for ease of adjustment according to claim 1, characterized in that: The butt joint assembly comprises a movable rod (4) slidably connected in the fixed seat (5), a rotating groove is formed in the fixed seat (5) outside the movable rod (4), a rotating disc (6) is slidably connected in the rotating groove, the rotating disc (6) is rotatably connected with the movable rod (4), first springs are arranged between the two ends of one side of the rotating disc (6) and the inner wall of the rotating groove, and a plurality of butt joint grooves (7) extending into the connecting seat (2) are arranged in the adjusting frame (3).

3. A dual clamping hook pin for ease of adjustment according to claim 2, wherein: The side of the fixed seat (5) close to the butt joint groove (7) is provided with a retraction groove, one end of the movable rod (4) is provided with a clamping block (8), the side section of the butt joint groove (7) is cross-shaped, the butt joint groove (7) is slidably connected with the clamping block (8), the diameter of the movable rod (4) is greater than the width of the longitudinal and transverse ports of the butt joint groove (7), and the center of the movable rod (4) and the butt joint groove (7) is slidably connected.

4. A dual clamping hook pin for ease of adjustment according to claim 3, wherein: The pressing assembly comprises a mounting groove formed in the connecting seat (2) on one side of the butt joint groove (7), the mounting groove is a circular groove, a bottom disc (9) is rotatably connected in the mounting groove, second springs are arranged at the top of both ends of the bottom disc (9), a butt joint disc (10) is arranged at the top end of the second spring, a positioning block (11) is arranged on the top of the butt joint disc (10), a positioning groove is formed in the bottom end of the clamping block (8) and matched with the positioning block (11), and the butt joint disc (10) is slidably connected with the inner side of the mounting groove.

5. A dual clamping hook pin for ease of adjustment according to claim 4, wherein: The abutting assembly includes abutting grooves (12) opened in the connecting seat (2) inside and located at both ends of the installation groove, a third spring is installed inside the abutting groove (12), one end of the third spring is installed with an abutting block (13), the abutting block (13) is clamped connected with the abutting groove (12), the side section of the clamping block (8) is U-shaped, the bottom end of the opposite surface of the two groups of abutting blocks (13) is opened with a clamping groove clamped with the two side protruding ends of the clamping block (8), the two ends of the clamping block (8) are opened with inclined surfaces (15), one end of the two groups of abutting blocks (13) close to the clamping block (8) is opened with a slope surface, the inclined surface (15) and the slope surface are mutually attached, the inside of the fixed seat (5) located on one side of the rotating groove is opened with an extension groove, one end of the movable rod (4) extending to the inside of the extension groove is rotationally connected with a pull ring (16).

6. A dual clamping hook pin for ease of adjustment according to claim 5, wherein: The outer wall of the fixed seat (5) is opened with a closing groove on one side, the closing groove is slidably connected with a cover plate (17), the inner wall of the closing groove is opened with a synchronous groove (18) on both sides, the two ends of the cover plate (17) are installed with a synchronous block slidably connected with the synchronous groove (18), one end of the cover plate (17) is embeddedly installed with a first magnetic element (14), the inner wall of the closing groove is embeddedly installed with a second magnetic element adsorbed with the first magnetic element (14), one side of the cover plate (17) is opened with a buckle moving groove.

7. A dual clamping hook pin for ease of adjustment according to claim 6, wherein: The inner wall of the protective cover (19) is installed with an air bag (22) on both sides, the opposite surfaces of the two groups of air bags (22) are fixedly connected with the outer wall of the air cylinder (20).

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