Automatic clamping jaw placing mechanism

Abstract

The utility model relates to the technical field of clamping jaw mechanisms, in particular to an automatic clamping jaw placing mechanism which comprises a base, one side of the base is connected with a supporting frame, the interior of the supporting frame is connected with a pneumatic assembly, one side of the pneumatic assembly is connected with a clamping assembly, the pneumatic assembly comprises four air cylinders, and the air cylinders are connected with the clamping assembly. The air cylinder is connected with the supporting frame, one side of the air cylinder is connected with a rotating block, the middle of the rotating block is rotationally connected with a round block, the round block is fixedly connected with the supporting frame, the upper end and the lower end of the rotating block are each connected with two rockers, and one side of the supporting frame is fixedly connected with a W-shaped sliding rail. The two sides of the W-shaped sliding rail are each connected with four sliding blocks in a sliding mode, a circular shaft is connected between the two sliding blocks, the rocker is connected with the circular shaft, the sliding blocks are connected with the clamping assemblies, the rocker is rotationally connected with the circular shaft, and the rotating block is rotationally connected with the rocker.

Description

TECHNICAL FIELD

[0001] The utility model relates to a clamping jaw mechanism technical field, concretely is a kind of automatic placement clamping jaw mechanism. BACKGROUND

[0002] Under the background of the rapid development of current automated production line and product diversification management, as the key link connecting production and packaging, the importance of placement clamping jaw mechanism is increasingly prominent.However, there are some deficiencies in the process of product transportation and packaging in the traditional way, especially the placement mode of artificial product and mold, which has been difficult to meet the efficient demand of modern production.

[0003] Most of the traditional methods rely on artificial placement of products and plastic molds one by one, which is time-consuming and labor-intensive, and seriously restricts the packaging efficiency.Especially in mass production environment, the limitations of artificial placement are increasingly obvious, becoming the bottleneck of production line capacity improvement.

[0004] In order to facilitate product transportation, in theory, products should be managed in a unified mold.However, in actual operation, due to the randomness of artificial placement, the use of mold is often not standardized, and the placement position of product is inconsistent, which affects the neatness of packaging and subsequent logistics efficiency.

[0005] Therefore, it is necessary to design a practical and efficient automatic placement clamping jaw mechanism. CONTENT OF THE UTILITY MODEL

[0006] The utility model aims at providing a kind of automatic placement clamping jaw mechanism to solve the problems raised in the above background technology.

[0007] To achieve the above purpose, the utility model provides the following technical scheme: an automatic placement clamping jaw mechanism, comprising a base, the base is connected with support frame on one side, the inside of support frame is connected with pneumatic assembly, the side of pneumatic assembly is connected with clamping assembly.

[0008] According to the above technical scheme, the pneumatic assembly includes four cylinders, the cylinders are connected with support frame, the side of cylinder is connected with rotating block, the middle part of rotating block is rotatably connected with round block, the round block is fixedly connected with support frame, the upper and lower ends of rotating block are both connected with two rocker arms, the side of support frame is fixedly connected with W-shaped slide rail, the two sides of W-shaped slide rail are both slidably connected with four sliding blocks, the two sliding blocks are connected with circular shaft, the rocker arm is connected with circular shaft, and the sliding block is connected with clamping assembly.

[0009] According to the above technical scheme, the rocker arm and circular shaft are rotatably connected, the rotating block and rocker arm are rotatably connected, and one end of the rocker arm is long and the other end is short.

[0010] According to the technical scheme, the clamping assembly comprises a fixed block, the fixed block and the sliding block are fixedly connected, a supporting column is connected to the inside of the fixed block, an elastic assembly is connected to the outside of the supporting column, a fixed cover is connected to the outside of the supporting column, and a pneumatic finger is connected to the bottom of the supporting column.

[0011] According to the technical scheme, the elastic assembly comprises a spring, the spring is located on the outside of the supporting column, one end of the spring is fixedly connected to the fixed block, and the other end is fixedly connected to the fixed cover.

[0012] According to the technical scheme, the bottom of the supporting column is fixedly connected with a dovetail block, the top of the pneumatic finger is provided with a dovetail groove, the dovetail block and the dovetail groove correspond to each other, and the fixed cover and the supporting column are in sliding connection.

[0013] According to the technical scheme, the round shaft is a lubrication-free high-precision shaft.

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

[0015] (1) By setting up the pneumatic assembly, four cylinders can control sixteen pneumatic fingers to approach or move away from each other, and the distance between them is fixed, so that 16 products in four rows and four columns can be grasped and accurately placed in the four rows and four columns of the reduced version of the grinding tool, which is fast and accurate, ensures the accuracy and improves the work efficiency;

[0016] (2) By setting up the detachable pneumatic finger, when the pneumatic finger needs to be replaced or repaired, the fixed cover can be easily removed by simply pushing it upwards, improving the convenience of maintenance, reducing downtime and improving production efficiency. DRAWINGS

[0017] Figure 1 is a three-dimensional structural schematic view of the utility model;

[0018] Figure 2 is a closed schematic view of the pneumatic assembly of the utility model;

[0019] Figure 3 is an open schematic view of the pneumatic assembly of the utility model;

[0020] Figure 4 is a three-dimensional schematic view of the clamping assembly of the utility model;

[0021] Figure 5 is a cross-sectional view of the clamping assembly of the utility model;

[0022] In the figure: 1, base; 2, support frame; 21, air cylinder; 22, rotating block; 23, round block; 24, rocker; 25, W-shaped slide rail; 26, sliding block; 27, round shaft; 3, fixed block; 31, support column; 32, spring; 33, fixed cover; 34, pneumatic finger; 35, dovetail block. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be apparently and completely described in conjunction with the drawings in 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 in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figures 1-5 The utility model provides technical scheme: a kind of automatic placement gripper mechanism, including base 1, the side of base 1 is connected with support frame 2, the inside of support frame 2 is connected with pneumatic assembly, the side of pneumatic assembly is connected with clamping assembly;Base 1 is the stable basis of entire mechanism, the top of base 1 is connected with moving mechanism, can move with whole, before mechanism starts, ensure that all 16 grippers are in open state, that is, clamping assembly opens, control system sends instruction, first, move to the above of product, drive clamping assembly to contract, so that 16 grippers close simultaneously, product is clamped, subsequently, drive pneumatic assembly, so that scattered product is close, then, whole rises, leaves conveying belt, then, according to preset trajectory and positioning information, through the moving mechanism (for prior art) above, gripper assembly is moved to specified place, whole drops, adjusts the distance between product, so that distance and mold are matched, open clamping assembly, so that gripper opens, release product, pack into corresponding mold, entire work flow is automatically completed by control system, without manual operation, greatly improve production efficiency, reduce labor intensity, automated process ensures that product can be accurately placed to target position, improve production precision and consistency.

[0025] The pneumatic assembly comprises four air cylinders 21, the air cylinders 21 are connected with the support frame 2, one side of the air cylinder 21 is connected with a rotating block 22, the middle part of the rotating block 22 is rotatably connected with a round block 23, the round block 23 is fixedly connected with the support frame 2, the upper and lower ends of the rotating block 22 are both connected with two rocker arms 24, one side of the support frame 2 is fixedly connected with a W-shaped slide rail 25, the two sides of the W-shaped slide rail 25 are both slidably connected with four sliding blocks 26, the two sliding blocks 26 are connected with a round shaft 27, the rocker arm 24 is connected with the round shaft 27, the sliding block 26 is connected with the clamping assembly; the pneumatic assembly comprises four air cylinders 21, the air cylinders 21 are all fixed on the support frame 2, so that the stability of the air cylinder 21 during work is ensured, the output end of each air cylinder 21, that is, the piston rod, is connected with one end of the rotating block 22, and the rotating block 22 is hingedly connected, because the piston rod needs to drive the rotating block 22 to rotate, when the piston rod is extended or retracted, the rotating block 22 can be driven to rotate, and the round block 23 is fixed on the support frame 2 and serves as the center of rotation of the rotating block 22. The upper and lower ends of the rotating block 22 are both connected with two rocker arms 24, the rocker arms 24 swing along with the rotation of the rotating block 22, the other end of the rocker arm 24 is connected with the round shaft 27, and the round shaft 27 penetrates through the two sliding blocks 26, so that the two sliding blocks 26 are closely connected together, and when the rocker arm 24 swings, the sliding block 26 can be driven to slide on the W-shaped slide rail 25 synchronously, and the sliding block 26 is connected with the clamping assembly, specifically, is connected with the pneumatic fingers 34 in the clamping assembly. Therefore, when the sliding block 26 slides, the pneumatic fingers 34 can be driven to move close to or away from each other. When the air cylinder 21 works, the piston rod of the air cylinder 21 is extended or retracted, the rotating block 22 is driven to rotate around the round block 23 as the center, the rotating movement of the rotating block 22 is transmitted to the sliding block 26 through the rocker arm 24, so that the sliding block 26 slides on the W-shaped slide rail 25, because the two sides of the W-shaped slide rail 25 are both provided with the sliding block 26, and each sliding block 26 is connected with two rocker arms 24 through the round shaft 27, the sliding process is more stable and synchronous, and the sliding of the sliding block 26 drives the pneumatic fingers 34 to move close to or away from each other. When the pneumatic fingers 34 move, the distance between them changes in a certain way, and the change distance between the 16 products is consistent. In normal operation, the products are produced in equal rows and columns, so the 16 products in four rows and four columns can be gripped and accurately placed in the reduced four-row four-column equal-distance mold. Through the transmission and stable sliding of the pneumatic assembly and the efficient clamping and releasing mechanism, the automation degree and production efficiency of the production line are improved.

[0026] The rocker arm 24 and the round shaft 27 are rotatably connected, the rotating block 22 and the rocker arm 24 are rotatably connected, and one end of the rocker arm 24 is long and the other end is short; the long and short of the rocker arm 24 is more suitable for the position of each sliding block 26. The rotatable connection ensures that the rocker arm 24 can swing.

[0027] The clamping assembly comprises a fixed block 3, the fixed block 3 and the sliding block 26 are fixedly connected, the inside of the fixed block 3 is connected with a support column 31, the outside of the support column 31 is connected with an elastic assembly, the outside of the support column 31 is connected with a fixed cover 33, and the bottom of the support column 31 is connected with a pneumatic finger 34; the pneumatic finger 34 can be opened to fix and clamp the product at the bottom, the pneumatic finger 34 is detachable, the fixed cover 33 is sleeved outside the pneumatic finger 34, the fixed cover 33 is pushed upwards, so that the fixed cover 33 no longer covers the pneumatic finger 34, the pneumatic finger 34 can be detached and replaced, when the fixed cover 33 is pushed upwards, the elastic assembly is compressed, and there is a rebound force, when the new pneumatic finger 34 is reassembled, the fixed cover 33 will be sleeved outside the pneumatic finger 34 under the rebound force of the elastic assembly, so that the pneumatic finger 34 is prevented from loosening. By arranging the detachable pneumatic finger 34, when the pneumatic finger 34 needs to be replaced or repaired, the fixed cover 33 only needs to be pushed upwards, and then the pneumatic finger 34 can be easily taken off. The convenience of maintenance is improved, the downtime is reduced, and the production efficiency is improved.

[0028] The elastic assembly comprises a spring 32, the spring 32 is located outside the support column 31, one end of the spring 32 is fixedly connected with the fixed block 3, and the other end of the spring 32 is fixedly connected with the fixed cover 33; the elastic assembly mainly relies on the spring 32, the spring 32 serves as the elastic assembly and can stably provide elastic force. The elastic force is compressed when the fixed cover 33 is pushed upwards, and the elastic force is released when the fixed cover 33 needs to be reset. The fixed connection of the spring 32 with the fixed block 3 and the fixed cover 33 ensures the reliability and stability of elastic force transmission.

[0029] The bottom of the support column 31 is fixedly connected with a dovetail block 35, the top of the pneumatic finger 34 is provided with a dovetail groove, the dovetail block 35 corresponds to the dovetail groove, and the fixed cover 33 and the support column 31 are in sliding connection; the dovetail block 35 is a special-shaped block body fixed at the bottom of the support column 31. The dovetail block 35 has a relatively wide bottom and a gradually tapered top, forming a dovetail structure, and the dovetail groove is a groove provided at the top of the pneumatic finger 34 and matched with the shape of the dovetail block 35. The size and shape of the dovetail groove should correspond to the dovetail block 35 to ensure that the two can be tightly matched, and the fixed cover 33 and the support column 31 are in sliding connection, so that the fixed cover 33 can be easily pushed upwards when the pneumatic finger 34 needs to be replaced. The dovetail groove of the pneumatic finger 34 is aligned with the dovetail block 35 at the bottom of the support column 31, and then the pneumatic finger 34 is slowly pushed in until the dovetail block 35 is completely embedded in the dovetail groove. The fixed cover 33 moves downward under the rebound force of the spring 32 and is sleeved outside the top of the pneumatic finger 34, so that the connection between the dovetail block 35 and the dovetail groove is covered and loosening is prevented. In this way, the whole can be detached while ensuring stability, which is convenient for later maintenance.

[0030] The round shaft 27 is a high-precision lubrication-free shaft; the high-precision lubrication-free shaft is internally provided with a lubricating material (such as polytetrafluoroethylene), and can realize self-lubricating function, so that it is not necessary to regularly add lubricating oil or grease. This greatly reduces the maintenance cost and time, and improves the use efficiency of the equipment.

[0031] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the involved claims.

Claims

1. An automated placement gripper mechanism, comprising a base (1), characterized in that: A support frame (2) is connected to one side of the base (1), and a pneumatic assembly is connected inside the support frame (2). A clamping assembly is connected to one side of the pneumatic assembly. The clamping assembly includes a fixing block (3), the fixing block (3) and the slider (26) are fixedly connected, the inside of the fixing block (3) is connected to a support column (31), the outside of the support column (31) is connected to an elastic component, the outside of the support column (31) is connected to a fixing cover (33), and the bottom of the support column (31) is connected to a pneumatic finger (34). The elastic component includes a spring (32), which is located outside the support column (31). One end of the spring (32) is fixedly connected to the fixing block (3), and the other end is fixedly connected to the fixing cover (33). The bottom of the support column (31) is fixedly connected to a dovetail block (35), and the top of the pneumatic finger (34) is provided with a dovetail groove. The dovetail block (35) and the dovetail groove correspond to each other. The fixed cover (33) and the support column (31) are slidably connected.

2. The automated placement gripper mechanism according to claim 1, characterized in that: The pneumatic assembly includes four cylinders (21), which are connected to the support frame (2). A rotating block (22) is connected to one side of the cylinder (21). A round block (23) is rotatably connected to the middle of the rotating block (22). The round block (23) and the support frame (2) are fixedly connected. Two rockers (24) are connected to the upper and lower ends of the rotating block (22). A W-shaped slide rail (25) is fixedly connected to one side of the support frame (2). Four sliders (26) are slidably connected to both sides of the W-shaped slide rail (25). A round shaft (27) is connected between two sliders (26). The rocker (24) and the round shaft (27) are connected. The slider (26) is connected to the clamping assembly.

3. The automated placement gripper mechanism according to claim 2, characterized in that: The rocker arm (24) and the circular shaft (27) are rotatably connected, the rotating block (22) and the rocker arm (24) are rotatably connected, and one end of the rocker arm (24) is longer than the other.

4. The automated placement gripper mechanism according to claim 2, characterized in that: The circular shaft (27) is a lubrication-free, high-precision shaft.

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