Hook pin mechanism with transverse stroke

By designing a hook mechanism with a lateral stroke and using transmission and conversion devices to change the movement trajectory, the space occupation problem of the existing hook cylinder structure is solved, achieving space saving and cost reduction, and improving the applicability and work efficiency of the fixture.

CN223603740UActive Publication Date: 2025-11-28JIANGSU CHANGTENG AUTOMOBILE WELDING EQUIP CO LTD
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Patent Information

Application Number
CN202422941746.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-30
Publication Date
2025-11-28
Estimated Expiration
2034-11-30

AI Technical Summary

Technical Problem

The existing hook cylinder structure has a stroke mainly in the vertical direction, which leads to limitations in fixture design and tooling design, occupies a large space, and affects the selection of welding clamps and costs.

Method used

Design a hook mechanism with lateral travel. Through the combination of transmission device, conversion device and fixing device, the lateral and longitudinal movement of the clamping component is realized. The movement trajectory is changed by using cam and connecting block. Combined with reinforcement device and top cover to optimize structure, improve stability and applicability.

Benefits of technology

It saves space, increases the variety of welding clamps, reduces production costs, reduces the volume of assemblies, and improves the applicability and efficiency of fixtures.

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Abstract

The hook pin mechanism with the transverse stroke comprises a transmission device, a conversion device and a fixing device, one end of the conversion device is connected with the transmission device, when the transmission device moves along a preset track, the conversion device changes the original moving track direction, one end of the fixing device is connected with the other end of the conversion device, and the other end of the fixing device is connected with the conversion device. And when the fixing device receives the signal generated by the conversion device, the clamping part of the fixing device fixes or loosens the to-be-clamped part. When the clamping mechanism is used for positioning and clamping a plate, the space can be saved in the vertical direction, the selection diversity and passing ability of the electrode holder in the welding process are improved, and the space occupancy rate of an existing vertical mechanism is effectively increased; the mechanical layout that a large space needs to be reserved below a plate originally to place an air cylinder is effectively improved, the production cost is further saved, and the size framework of an assembly is further reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile welding, specifically is a hook pin mechanism with lateral stroke. BACKGROUND

[0002] At present, the existing hook pin cylinder structure in domestic has realized the centering and clamping action of workpiece through the hook pin of accessible hole, and has played the role of positioning and clamping in the welding of body-in-white panel.

[0003] However, the stroke of the existing hook pin cylinder structure is generally up and down and vertical, which leads to some limitations in the process of designing the fixture and tooling equipment, a larger space needs to be reserved below the panel to place the cylinder, the selection and trajectory of the welding tongs exist some interference, and the height and cost of the overall fixture are also affected to some extent. SUMMARY

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a hook pin mechanism with lateral stroke to solve the problems in the background art.

[0005] In order to achieve the above-mentioned purpose, the utility model is implemented by the following technical scheme: a hook pin mechanism with lateral stroke, comprising a transmission device, a conversion device and a fixing device, one end of the conversion device is connected with the transmission device, when the transmission device moves along the predetermined trajectory, the conversion device changes the original moving trajectory direction, one end of the fixing device is connected with the other end of the conversion device, when the fixing device receives the signal generated by the conversion device, the clamping part of the fixing device fixes or releases the clamping part.

[0006] Further, the conversion device comprises a housing connected with the transmission device, and a connecting block and a cam arranged inside the housing, wherein the cam is connected with the housing through a connecting shaft, the connecting block is connected with one end of the cam through a shaft pin, the housing top is provided with a through hole, and the bottom is provided with an open slot.

[0007] Further, the cam is an L-shaped special-shaped wheel, wherein the cam comprises an upper part and a lower part, the upper part is connected with the connecting block through the shaft pin, one end of the lower part is connected with the housing through a rotating shaft, and the other end is connected with the clamping part through a shaft pin.

[0008] Further, a reinforcing device is also arranged, the reinforcing device comprises a reinforcing plate and a fixing column, the reinforcing plate is arranged on both sides of the housing, the fixing column is arranged between the two reinforcing plates, and at least one hole body is arranged on the reinforcing plate.

[0009] Further, a top cover is arranged on the top of the shell, and a slot for the clamping component to move is arranged on the top cover.

[0010] Further, the top cover comprises a base and a protective cover arranged on the top of the base, wherein the protective cover is arranged with the slots penetrating each other on both sides.

[0011] Further, the base comprises a first layer and a second layer, wherein the first layer and the second layer are arranged concentrically in up and down directions, the diameter of the first layer is larger than that of the second layer, and the first layer and the second layer are replaceable and / or addable and / or subtractable.

[0012] According to the foregoing disclosure of the utility model, compared with the prior art, the utility model has the following characteristics:

[0013] The technical scheme of the utility model can save space in the vertical direction when the clamping mechanism is used to position and clamp the plate, increase the selection diversity and passability when the welding tongs are welded, effectively solve the space occupancy rate of the current vertical mechanism, effectively improve the mechanical layout of the originally required large space below the plate to arrange the cylinder, further save the production cost and reduce the volume architecture of the assembled part. BRIEF DESCRIPTION OF DRAWINGS

[0014] Other features, objects and advantages of the utility model will become more apparent through reading the detailed description of the non-restrictive embodiments with reference to the following drawings:

[0015] Figure 1 is a structural schematic diagram of the utility model;

[0016] Figure 2 is an internal structure of the utility model Figure 1 ;

[0017] Figure 3 is an internal structure of the utility model Figure 2 ;

[0018] Figure 4 is a structural schematic diagram of the utility model with a top cover Figure 1 ;

[0019] Figure 2 is a structural schematic diagram of the utility model with a top cover Figures 1-5 .

[0020] DRAWINGS

[0021] Transmission device 1;

[0022] Conversion device 2, shell 21, connecting block 22, cam 23, upper part 231, lower part 232;

[0023] fixing device 3, clamping component 31;

[0024] reinforcing device 4, reinforcing plate 41, fixing column 42, hole body 412;

[0025] top cover 5, base 51, protective cover 52, first layer 511, second layer 512;

[0026] notch 6. DETAILED DESCRIPTION

[0027] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0028] Please refer to Figures 2-3 The utility model provides a kind of hooking mechanism with lateral stroke, including transmission device 1, conversion device 2 and fixing device 3, in the embodiment described transmission device 1 is air cylinder.The conversion device 2 one end is connected with the transmission device 1, when the transmission device 1 moves along the predetermined lateral trajectory, the conversion device 2 will change the original lateral moving track direction, the fixing device 3 one end is connected with the conversion device 2 other end, when the fixing device 3 receives the signal that the conversion device 2 occurs, by the original lateral change into vertical, the clamping component 31 of the fixing device 3 is fixed to the clamping component to be fixed, when air cylinder resets, the clamping component 31 is loosened to the clamping component to be fixed.

[0029] In order to be more convenient, the convenience of use, in the embodiment conversion device 2 includes the shell 21 for being connected with the transmission device, and connecting block 22 and cam 23 arranged in the shell 21, the cam 23 is connected with the shell 21 by connecting shaft, the connecting block 22 is connected with the cam 23 one end by shaft pin, the shell 21 top is provided with through hole 211, bottom is provided with open slot 212, wherein, the cam 23 is L-shaped special-shaped wheel, wherein the cam 23 includes upper portion 231 and lower portion 232, the upper portion 231 is connected with the connecting block 22 by the shaft pin, the lower portion 232 one end is connected with the shell 21 by rotating shaft, other end is connected with the clamping component 31 by shaft pin, and its working principle is that air is ventilated to push cylinder push rod, the hooking direction of the clamping component 31 is changed by special-shaped cam 23 and shaft pin, so that the stroke mode changes, wherein air is kept, so that the hooking cylinder realizes the positioning and clamping function of plate piece. Embodiment two

[0030] Please refer to Figures 4-5As shown, the structure of the embodiment is basically the same as that of the first embodiment described above, and will not be repeated here. It is worth noting that in this embodiment, in order to further improve the safety and stability during use and the passability during use, a reinforcing device 4 is additionally installed in this embodiment, which comprises a reinforcing plate 41 and a fixing column 42, the reinforcing plate 41 is arranged on both sides of the shell 21, and the fixing column 42 is arranged between the two reinforcing plates 41, wherein at least one hole body 412 is arranged on the reinforcing plate 41, and the reinforcing device 4 installed through the hole body 412 makes the whole component more stable and efficient during clamping, and prevents the clamping component 31 from being displaced in stroke and causing loosening.

[0031] In addition, in order to further cooperate with the use of the reinforcing device 4, a top cover 5 is also provided, which is arranged on the top of the shell 21, and the top cover 5 is provided with a slot 6 for the movement of the clamping component 31. By further limiting the movement space and left-right gap of the clamping component 31, the limiting top cover 5 is arranged on the top of the originally exposed shell 21, and the top cover 5 comprises a base 51 and a protective cover 52 arranged on the top of the base 51, wherein the protective cover 52 is provided with the slot 6 penetrating each other on both sides. Embodiment three

[0032] Please refer to Figures 4-5 As shown, the structure of the embodiment is basically the same as that of the first embodiment described above, and will not be repeated here. It is worth noting that in this embodiment, in order to further improve the passability during use, the base 51 of the top cover 5 is re-planned based on the original top cover 5, so that the base 51 can be changed to an activity base that can be reduced or increased, wherein the base 51 comprises a first layer 511 and a second layer 512, wherein the first layer 511 and the second layer 512 are arranged concentrically, the diameter of the first layer 511 is greater than that of the second layer 512, and the first layer 511 and the second layer 512 can be replaced and / or increased or decreased. Through this change, the originally only one or several specifications of plate can be changed to plate with arc or inclined surface, thereby further improving the working efficiency during use and avoiding changing different types of clamps.

[0033] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0034] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, elements, components, and / or groups thereof, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof.

[0035] It is to be understood that the terms "first", "second", and the like, used herein do not necessarily connote any order, quantity, composition or importance, but are used to distinguish one element from another, and are used interchangeably with the terms "one or more", and / or "at least one". It is to be understood that the terms "including", "comprising", "consisting" and "consisting essentially of", when used herein, specify the presence of stated features, integers, steps, operations, elements, components and / or groups thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or groups thereof. It is further noted that the claims can be drafted to exclude any elements or steps from the disclosure, regardless of whether such elements or steps are specifically disclosed in the specification. Stated differently, the disclosure as described herein can include one, some or all of the disclosed elements and / or steps.

[0036] For purposes of the description hereinafter, the terms "upper", "lower", "right", "left", "vertical", "horizontal", "top", "bottom", "lateral", "medial", "superior", "inferior", "proximal", "distal" and the like, are used herein with reference to the exemplary embodiments illustrated in the drawings. However, it is to be understood that the exemplary embodiments can assume different alterations and ​ As used herein, spatially relative terms, such as "above", "below", "up", "down", "top", "bottom", "side", "front", "back", "positioned on", "positioned on top of", "positioned below", "positioned above", "on", "under", and the like, can be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" other elements or features would then be oriented "below" the other elements or features. Thus, the exemplary term "above" can encompass both an orientation of above and below. The device can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

[0037] Now, example embodiments according to the present application will be described in more detail with reference to the accompanying drawings. However, these example embodiments can be implemented in various different forms, and should not be construed as being limited to only the embodiments set forth herein. It is to be understood that the embodiments are provided merely to make the disclosure of the present application complete and to fully convey the concept of the example embodiments to those skilled in the art, and the drawings are possibly exaggerated in thickness of layers and regions for clarity, and the same reference numerals are used to designate the same elements throughout the drawings, and thus a description thereof will be omitted.

[0038] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the present application, which should be limited only by the appended claims and their equivalents.

Claims

1. A hook pin mechanism having lateral travel, characterized by: The utility model relates to a transmission device (1); Conversion device (2), one end of the conversion device (2) is connected with the transmission device (1), when the transmission device (1) moves along the predetermined track, the conversion device (2) changes the original moving track direction; Fixing device (3), one end of the fixing device (3) is connected with the other end of the conversion device (2), when the fixing device (3) receives the signal generated by the conversion device (2), the clamping part (31) of the fixing device (3) fixes or releases the clamping part. The conversion device (2) includes a housing (21) connected with the transmission device (1), a connecting block (22) and a cam (23) arranged inside the housing (21); 2. A hook pin mechanism having lateral travel according to claim 1, characterized in that: The cam (23) is connected with the housing (21) through a connecting shaft; The connecting block (22) is connected with one end of the cam (23) through a shaft pin; The housing (21) is provided with a through hole (211) at the top and an open slot (212) at the bottom. The cam (23) is an L-shaped special wheel, which includes an upper part (231) and a lower part (232), the upper part (231) is connected with the connecting block (22) through the shaft pin, one end of the lower part (232) is connected with the housing (21) through a rotating shaft, and the other end is connected with the clamping part (31) through a shaft pin.

3. A hook pin mechanism having lateral travel according to claim 2, wherein: A reinforcing device (4) is also provided, which includes a reinforcing plate (41) and a fixed column (42), the reinforcing plate (41) is arranged on both sides of the housing (21), the fixed column (42) is arranged between the two reinforcing plates (41), and at least one hole body (412) is arranged on the reinforcing plate (41).

4. A hook pin mechanism having lateral travel according to claim 2 or 3, characterised in that: A top cover (5) is also provided, which is arranged on the top of the housing (21), and the top cover (5) is provided with a slot (6) for the movement of the clamping part (31).

5. A hook pin mechanism having lateral travel according to claim 4, wherein: The top cover (5) includes a base (51) and a protective cover (52) arranged on the top of the base (51), and the protective cover (52) is provided with the slot (6) penetrating each other on both sides.

6. A hook pin mechanism having lateral travel according to claim 5, wherein: The base (51) includes a first layer (511) and a second layer (512), the first layer (511) and the second layer (512) are arranged concentrically, the diameter of the first layer (511) is larger than that of the second layer (512), and the first layer (511) and the second layer (512) can be replaced and / or added or subtracted.

7. A hook pin mechanism having lateral travel according to claim 6, wherein: ​