Self-locking clamp hanging pin mechanism

Abstract

The utility model belongs to the technical field of self-locking clamps, and provides a self-locking clamp hanging pin mechanism which comprises a base, two rotating shafts, two locking blocks, an ejector block and an air cylinder. The two rotating shafts are mounted on the base, and the two rotating shafts are oppositely arranged; the two locking blocks and the two rotating shafts are arranged in a one-to-one correspondence mode, a rotating hole is formed in one end of each locking block, the rotating shafts are sleeved with the rotating holes, a hook is arranged at the other end of each locking block, and a groove is formed in the side wall, facing the other locking block, of each locking block. The top block is located between the two locking blocks, and the top block abuts against the groove wall of the groove; the air cylinder is installed on the base, and a telescopic rod of the air cylinder is connected with the ejector block. The quick locking and unlocking device can quickly lock and unlock, is simple and quick, and improves the production efficiency.

Description

Technical Field

[0001] The present application belongs to the field of clamp technology, and in particular relates to a self-locking clamp hanging pin mechanism. Background Art

[0002] Refrigerator cabinet foaming is a crucial step in refrigerator production. Existing technology involves mounting the six sides of a foaming fixture on separate mechanisms. A tray push-pull mechanism is used to move the tray and back panel mechanism, along with the inner mold and cabinet, in and out of the fixture. The bottom plate of the back foaming inner mold is mounted on the tray and back panel mechanism, which are connected to the tray push-pull mechanism. A lifting frame is mounted at the bottom of the frame, with a lifting device and mold clamping mechanism installed between the lifting frame and the frame. Side panels and a motor adjustment mechanism are installed on the left and right sides of the frame to achieve cabinet foaming.

[0003] However, when installing the box on the pallet, it is necessary to manually lock the positioning pins on the pallet to prevent the pallet from moving. After the box is installed on the pallet, the positioning pins on the pallet are manually unlocked and the pallet is pushed into the foaming fixture. The entire process is labor-intensive and reduces production efficiency. Utility Model Content

[0004] In order to overcome the above-mentioned shortcomings in the prior art, the purpose of this application is to provide a self-locking clamp pin mechanism that can be quickly locked and unlocked, is simple and quick, and improves production efficiency.

[0005] The technical means adopted by this application to solve the above technical problems are:

[0006] The present application provides a self-locking clamp hanging pin mechanism, comprising:

[0007] base;

[0008] Two rotating shafts, the two rotating shafts are mounted on the base and are arranged opposite to each other;

[0009] Two locking blocks, the two locking blocks are arranged in a one-to-one correspondence with the two rotating shafts, one end of the locking block is provided with a rotating hole, the rotating hole is sleeved on the rotating shaft, the other end of the locking block is provided with a hook, and the side wall of the locking block facing the other locking block is provided with a groove;

[0010] A top block, located between the two locking blocks and abutting against a groove wall of the groove;

[0011] A cylinder, the cylinder being mounted on the base, the telescopic rod of the cylinder being connected to the top block;

[0012] Among them, the telescopic rod of the cylinder is extended, the top block pushes out the two locking blocks, the hooks of the top blocks move away from each other, and the hooks hook the external positioning pin to achieve locking; the telescopic rod of the cylinder is retracted, the top block pushes the two locking blocks back, the hooks of the top blocks move closer to each other, and the hooks are separated from the positioning pin to achieve unlocking.

[0013] Preferably, the base includes a bottom plate and a mounting plate, the mounting plate is mounted on the bottom plate, the mounting plate is provided with a through hole, the cylinder is mounted on the mounting plate, and the telescopic rod of the cylinder is inserted into the through hole.

[0014] Preferably, the top block includes a main body and two abutment blocks, the main body is connected to the telescopic rod of the cylinder, the abutment blocks are connected to the main body, and the abutment blocks are arranged in a one-to-one correspondence with the grooves.

[0015] Preferably, the abutment block is a triangular structure.

[0016] Compared with the prior art, the self-locking clamp pin mechanism of the present application is provided with two opposite locking blocks and a top block. One end of the locking block can be rotated, and the other end of the locking block is provided with a hook. A groove is provided on one side of the locking block, and the top block is driven out by the cylinder, and the top block abuts against the groove wall of the groove, so that the end of the locking block with the hook is rotated outward, and the hook locks the external positioning pin. When the telescopic rod of the cylinder is retracted, it drives the top block to abut against the groove wall on the other side of the groove, so that the end of the locking block with the hook is rotated inward, and the hook unlocks the external positioning pin; the process is simple and fast, the structure is simple and compact, and production efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following is a brief introduction to the drawings required for use in the embodiments of the present application. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 This is a structural diagram of the self-locking clamp hanging pin mechanism of this application.

[0019] Figure 2 This is a schematic diagram of the internal structure of this application.

[0020] Marking Description:

[0021] 1. Base; 2. Rotating shaft; 3. Locking block; 3a. Hook; 4. Top block; 5. Cylinder. DETAILED DESCRIPTION

[0022] In order to more clearly understand the above-mentioned purposes, features and advantages of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the absence of conflict, the embodiments of this application and the features in the embodiments can be combined with each other. In the following description, many specific details are set forth in order to fully understand the present invention. The embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0023] It should be noted that unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which the present invention pertains. The terms used herein in the specification of the present invention are for the purpose of describing specific embodiments only and are not intended to limit the present invention. Similar reference numerals and letters represent similar items in the following figures, and therefore, once an item is defined in one figure, it does not need to be further defined or explained in subsequent figures. At the same time, in the description of the present application, the terms "first", "second", etc. are used only to distinguish descriptions and are not to be understood as indicating or implying relative importance.

[0024] like Figure 1-Figure 2 As shown, in this embodiment, a self-locking clamp hanging pin mechanism is provided, comprising a base 1, two rotating shafts 2, two locking blocks 3, a top block 4 and a cylinder 5; the two rotating shafts 2 are mounted on the base 1, and the two rotating shafts 2 are arranged opposite to each other; the two locking blocks 3 are arranged one-to-one with the two rotating shafts 2, one end of the locking block 3 is provided with a rotating hole, the rotating hole is sleeved on the rotating shaft 2, the other end of the locking block 3 is provided with a hook 3a, and the side wall of the locking block 3 facing the other locking block 3 is provided with a groove; the top block 4 is located between the two locking blocks 3 The cylinder 5 is mounted on the base 1, and the telescopic rod of the cylinder 5 is connected to the top block 4; wherein, the telescopic rod of the cylinder 5 is extended, the top block 4 pushes out the two locking blocks 3, the hooks 3a of the top block 4 move away from each other, and the hooks 3a hook the external positioning pin to achieve locking; the telescopic rod of the cylinder 5 is retracted, the top block 4 pushes the two locking blocks 3 back, the hooks 3a of the top block 4 move closer to each other, and the hooks 3a are separated from the positioning pin to achieve unlocking.

[0025] In some preferred embodiments of the present invention, the base 1 includes a bottom plate and a mounting plate, the mounting plate being mounted to the bottom plate. The mounting plate is provided with a through hole, the cylinder 5 is mounted on the mounting plate, and the telescopic rod of the cylinder 5 is inserted into the through hole. Thus, the coordination between the bottom plate and the mounting plate improves the installation stability of the cylinder 5 and the rotating shaft 2.

[0026] In some preferred embodiments of the present invention, the top block 4 includes a main body and two abutment blocks. The main body is connected to the telescopic rod of the cylinder 5, and the abutment blocks are connected to the main body, and the abutment blocks are arranged in a one-to-one correspondence with the grooves. In this way, the rotation of the locking block 3 can be more accurately controlled by the main body driving the two abutment blocks.

[0027] In some preferred embodiments of the present invention, the abutment block is in a triangular structure.

[0028] When the cylinder 5 is retracted, the top block 4 is driven to abut against the groove wall of the groove, so that the end of the lock block 3 with the hook 3a is rotated outward, and the hook 3a locks the external positioning pin. When the telescopic rod of the cylinder 5 is retracted, the top block 4 is driven to abut against the groove wall of the other side of the groove, so that the end of the lock block 3 with the hook 3a is rotated inward, and the hook 3a unlocks the external positioning pin. The process is simple and fast, the structure is simple and compact, and the production efficiency is improved.

[0029] The above description is only a specific embodiment of the present application and is not intended to limit the scope of protection of the present application. For those skilled in the art, the present application may have various changes and variations. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application should be included in the scope of protection of the present application. Any technician familiar with the technical field can easily think of changes or replacements within the technical scope disclosed in the present application, which should also be included in the scope of protection of the present application. Therefore, the scope of protection of the present application shall be based on the scope of protection of the claims.

[0030] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

Claims

1. A self-locking clamp hanging pin mechanism, characterized in that: include: base; Two rotating shafts, the two rotating shafts are mounted on the base and are arranged opposite to each other; Two locking blocks, the two locking blocks are arranged in a one-to-one correspondence with the two rotating shafts, one end of the locking block is provided with a rotating hole, the rotating hole is sleeved on the rotating shaft, the other end of the locking block is provided with a hook, and the side wall of the locking block facing the other locking block is provided with a groove; A top block, located between the two locking blocks and abutting against a groove wall of the groove; A cylinder, the cylinder being mounted on the base, the telescopic rod of the cylinder being connected to the top block; Among them, the telescopic rod of the cylinder is extended, the top block pushes out the two locking blocks, the hooks of the top blocks move away from each other, and the hooks hook the external positioning pin to achieve locking; the telescopic rod of the cylinder is retracted, the top block pushes the two locking blocks back, the hooks of the top blocks move closer to each other, and the hooks are separated from the positioning pin to achieve unlocking.

2. The self-locking clamp pin mechanism according to claim 1, characterized in that: The base includes a bottom plate and a mounting plate, the mounting plate is mounted on the bottom plate, the mounting plate is provided with a through hole, the cylinder is mounted on the mounting plate, and the telescopic rod of the cylinder is inserted into the through hole.

3. The self-locking clamp hanging pin mechanism according to claim 1, characterized in that: The top block includes a main body and two abutment blocks. The main body is connected to the telescopic rod of the cylinder. The abutment blocks are connected to the main body, and the abutment blocks are arranged in a one-to-one correspondence with the grooves.

4. The self-locking clamp hanging pin mechanism according to claim 3, characterized in that: The abutment block is in a triangular structure.

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