Product clamping mechanism used on tray

Abstract

The product clamping mechanism used on the tray comprises the tray, clamping assemblies are arranged at the four corners of the top side of the tray, each clamping assembly comprises a connecting rod arranged above the tray, two supporting plates are oppositely arranged on the two sides of each connecting rod, the connecting rods are rotationally connected with the two supporting plates through rotating shafts, and the supporting plates are arranged on the supporting plates. An opening mechanism is arranged at the bottom end of one side of the connecting rod; a limiting assembly is arranged on the other side of the connecting rod and comprises a rectangular plate. When the product clamping mechanism used on the tray is used, the clamping action is changed into the rotary motion from the linear motion, the structure is simple and compact, the size of the device is reduced, the opening action is changed into the pushing action from the pulling action, the requirement for the equipment assembling precision is lower, debugging is easier and more convenient, meanwhile, the possibility of overturning of the tray is eradicated by changing the stress direction, and the product clamping efficiency is improved. And the production cost of the device is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of clamping mechanism, especially to a product clamping mechanism used on tray. BACKGROUND

[0002] With the pace of industrial modernization, automation technology matures, and various devices and mechanisms are required to be automated. Today, with the global focus on developing electric vehicles, energy storage batteries and other new energy industries, lithium batteries, as the recognized ideal energy storage elements, have received more attention. From the perspective of national energy security and the sustainable development of China's automobile industry, lithium batteries as new energy for automobiles will be the need for the automobile industry to leap forward and enhance international competitiveness. Due to market demand, battery module automated production has also made unprecedented breakthroughs. Manual work cannot meet the needs of the rapid development of the new energy industry, and manual work has an important impact on product quality, production efficiency and cost. The broad market demand and strict quality requirements have higher requirements for the quality control and production efficiency of the new energy industry. Lithium battery module automated production is the basic way of automobile power battery production, which improves production efficiency, ensures product quality and reduces worker's work intensity.

[0003] The existing tray design uses a spring mechanism to directly press the lithium battery module. Since the pressing action is a linear motion, there are several defects: the guide column and bushing required for linear motion of the pressing mechanism have high cost, the machining precision requirement is high, and the tray opening mechanism opens the tray by pulling, which requires the pull hook to contact the hook of the tray clamping mechanism. The combination precision of the tray, the conveying line and the opening mechanism is high, which further increases the production cost of the device, and when the tray is opened, there will be an overturning force, which causes the tray to tilt to one side. In severe cases, an additional mechanism is needed to press the tray, which further increases the production cost of the device. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a product clamping mechanism used on tray, so as to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a product clamping mechanism used on tray, comprising a tray, a clamping assembly is arranged at each of the four corner positions on the top side of the tray, the clamping assembly comprises a connecting rod arranged above the tray, two supporting plates are arranged on the two sides of the connecting rod, and the connecting rod and the two supporting plates are connected by a rotating shaft, and an opening mechanism is arranged at the bottom end of one side of the connecting rod.

[0006] The other side of the connecting rod is provided with a limiting assembly, the limiting assembly comprises a rectangular plate, which is arranged between the two corresponding support plates and in contact with one side of the corresponding connecting rod, the support plate is provided with a rectangular slot at the position corresponding to the rectangular plate, and the two ends of the rectangular plate are inserted into the corresponding rectangular slot and in contact with the inner wall of the corresponding rectangular slot, the top side of the rectangular plate is provided in an arc shape, and the bottom side of the support plate is provided with a piston pushing mechanism for adjusting the vertical position of the rectangular plate.

[0007] The support plate is provided with a locking mechanism for limiting and constraining the rectangular plate.

[0008] Preferably, the top end of the other side of the connecting rod is fixedly provided with a clamping block, and the clamping block is a soft block, and a plurality of wear-resistant patterns are formed on the side of the clamping block away from the connecting rod.

[0009] Preferably, the piston pushing mechanism comprises a support rod fixedly arranged between the two corresponding support plates, the top side of the support plate is fixedly provided with a piston cylinder, and the piston cylinder is slidably provided with a piston rod, and the top end of the piston rod is fixedly connected with the corresponding rectangular plate.

[0010] Preferably, the opening mechanism comprises a fixed seat located between the two corresponding connecting rods and fixedly connected with the tray, and the end of the fixed seat close to the corresponding connecting rod is inserted between the two corresponding support plates and fixedly connected with the two corresponding support plates through bolts, the first spring is arranged between the fixed seat and the connecting rod, and the two ends of the first spring are fixedly connected with the corresponding fixed seat and the bottom end of the corresponding connecting rod.

[0011] Preferably, the locking mechanism comprises a trapezoidal block, the top end of the two sides of the rectangular plate is provided with two triangular grooves, the support plate is provided with a sliding groove at the position corresponding to the triangular groove, the trapezoidal block is slidably arranged in the opening of the corresponding sliding groove, one end of the trapezoidal block is inserted into the corresponding triangular groove and in contact with the inner wall of the corresponding triangular groove, the other end of the trapezoidal block is fixedly provided with a piston plate, and the outer peripheral wall of the piston plate is in contact with the inner wall of the corresponding sliding groove, and the inner part of the sliding groove is connected with the inner part of the corresponding piston cylinder through a connecting pipe.

[0012] Preferably, the outer peripheral side of the trapezoidal block is wound with a second spring, and the two ends of the second spring are fixedly connected with the corresponding piston plate and the inner wall of the corresponding sliding groove.

[0013] The utility model has the following beneficial effects:

[0014] The product clamping mechanism used on the tray of the application changes the clamping action from linear motion to rotary motion, has simple and compact structure, reduces the volume of the device, changes the opening action from pulling to pushing, has lower requirement on the assembly precision of the equipment, makes the debugging more convenient, changes the stress direction to eliminate the possibility of overturning of the tray, and reduces the production cost of the device. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme and advantages of the present application, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings described in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0016] Figure 1 It is a perspective view of the overall structure of the present application;

[0017] Figure 2 It is a perspective view of the clamping assembly of the present application;

[0018] Figure 3 It is a perspective view of the overall structure of the present application Figure 2 It is a right view of the overall structure of the connecting rod, the rectangular plate and the fixed seat in the present application;

[0019] Figure 4 It is a perspective view of the internal structure of the support plate, the rectangular plate and the piston plate in the present application;

[0020] Figure 5 It is an enlarged view of the structure at A in the present application Figure 4

[0021] In the figure: 1, tray; 2, clamping assembly; 21, connecting rod; 22, support plate; 23, clamping block; 3, opening mechanism; 31, fixed seat; 32, first spring; 4, limiting assembly; 41, rectangular plate; 42, rectangular groove; 43, piston pushing mechanism; 431, support rod; 432, piston cylinder; 433, piston rod; 5, locking mechanism; 51, triangular groove; 52, sliding groove; 53, trapezoidal block; 54, piston plate; 55, second spring; 56, connecting pipe. DETAILED DESCRIPTION

[0022] In order to make the technical scheme and advantages of the present application more clear and explicit, the following will further describe the present application in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.

[0023] The present application provides a technical scheme: refer to Figure 1 - Figure 5 ​The present invention discloses a product clamping mechanism for use on a pallet, including a pallet 1. Clamping components 2 are provided at the four corners of the top side of the pallet 1. Each clamping component 2 includes a connecting rod 21, which is located above the pallet 1. Two support plates 22 are provided on opposite sides of the connecting rod 21, and the connecting rod 21 and the two support plates 22 are rotatably connected by a pivot. An opening mechanism 3 is provided at the bottom of one side of the connecting rod 21.

[0024] On the other side of the connecting rod 21, there is a limiting component 4. The limiting component 4 includes a rectangular plate 41, which is located between two corresponding support plates 22. The rectangular plate 41 is in contact with one side of the corresponding connecting rod 21. A rectangular groove 42 is provided on the support plate 22 at the position corresponding to the rectangular plate 41. Both ends of the rectangular plate 41 are inserted into the corresponding rectangular groove 42 and are in contact with the inner wall of the corresponding rectangular groove 42. The top side of the rectangular plate 41 is arc-shaped. A piston pushing mechanism 43 is provided on the bottom side of the support plate 22, which is used to adjust the vertical position of the rectangular plate 41.

[0025] The support plate 22 is equipped with a locking mechanism 5, which is used for limiting and constraining the rectangular plate 41.

[0026] In this embodiment, please refer to Figure 1 - Figure 4 As shown, the rotation of the connecting rod 21 between the support plates 22 causes the top of the connecting rod 21 to come into contact with the material, i.e., the lithium battery module (see reference). Figure 1 and Figure 3 As shown, the bottom end of the connecting rod 21 is in clearance fit with the tray 1, and the bottom end of the support plate 22 is in contact with the tray 1, to complete the clamping operation of the material on the tray 1. After the material is processed, the opening mechanism 3 drives the connecting rod 21 to rotate in the opposite direction by the corresponding angle to release the clamping state of the material.

[0027] Please refer to Figure 2 - Figure 4 As shown, during the material clamping operation, the piston pushing mechanism 43 drives the rectangular plate 41 to move upward. As the rectangular plate 41 slides within the rectangular groove 42, the connecting rod 21 rotates forward due to the mutual contact between the top of the rectangular plate 41 and the connecting rod 21, thus completing the material clamping operation. At this time, due to the mutual contact between the rectangular plate 41 and the inner wall of the rectangular groove 42 and the mutual contact between the connecting rod 21 and the rectangular plate 41, the connecting rod 21 can maintain a stable clamping state on the material. The clamping action of this application is changed from linear motion to rotational motion, which makes the structure simple and compact, reduces the size of the device, and changes the opening action from pulling to pushing, which lowers the requirements for equipment assembly precision and makes debugging easier. At the same time, by changing the direction of force, the possibility of the tray 1 tipping over is eliminated, reducing the production cost of the device.

[0028] In a further preferred embodiment of this utility model, such as Figure 2 and Figure 3As shown, the top end of the other face of the connecting rod 21 is fixedly provided with a clamping block 23, and the clamping block 23 is a soft block, and a plurality of wear-resistant patterns are formed on the face of the clamping block 23 away from the connecting rod 21.

[0029] In the embodiment, as shown in Figure 2 and Figure 3 When the connecting rod 21 clamps the material, the clamping block 23 first contacts the material. Due to the mutual friction between the clamping block 23 and the material, the contact position between the clamping block 23 and the material can be adaptively deformed according to the contacted part of the material, so that the clamping block 23 is more fitted with the material, and the clamping effect of the material is enhanced.

[0030] In the further preferable embodiment of the utility model, as shown in Figure 2 - Figure 4 The piston pushing mechanism 43 comprises a supporting rod 431 fixedly arranged between the corresponding two supporting plates 22, the top side of the supporting plate 22 is fixedly provided with a piston cylinder 432, the piston cylinder 432 is slidably provided with a piston rod 433, and the top end of the piston rod 433 is fixedly connected with the corresponding rectangular plate 41.

[0031] In the embodiment, it should be noted that when the device is used, the gas inlet end of the piston cylinder 432 needs to be connected with an external gas adjusting device for adjusting the gas content in the piston cylinder 432, and specifically, as shown in Figure 2 - Figure 4 The gas adjusting device injects an appropriate amount of gas into the piston cylinder 432, and as the gas content in the piston cylinder 432 increases, the gas pressure in the piston cylinder 432 increases. When the gas pressure in the piston cylinder 432 reaches a threshold value, the pushing force of the gas in the piston cylinder 432 on the piston rod 433 offsets the gravity of the piston rod 433 and the rectangular plate 41 to push the rectangular plate 41 upwards, until the rectangular plate 41 and the inner wall of the rectangular groove 42 are in contact with each other. The device is pneumatically controlled and can be well adapted to the use of the production line.

[0032] In the further preferable embodiment of the utility model, as shown in Figure 1 - Figure 3 The opening mechanism 3 comprises a fixed seat 31 located between the corresponding two connecting rods 21 and fixedly connected with the tray 1, and the end of the fixed seat 31 close to the corresponding connecting rod 21 is inserted between the corresponding two supporting plates 22 and fixedly connected with the corresponding two supporting plates 22 through bolts, and the first spring 32 is arranged between the fixed seat 31 and the connecting rod 21, and the two ends of the first spring 32 are fixedly connected with the corresponding fixed seat 31 and the bottom end of the corresponding face of the connecting rod 21, respectively.

[0033] In the embodiment, as shown in Figure 2 and Figure 3As shown, after the processing operation of the material is completed, the gas adjusting device controls the connection between the inside of the piston cylinder 432 and the outside, and due to the pressing of the rectangular plate 41 on the piston rod 433, the gas in the piston cylinder 432 gradually flows out of the piston cylinder 432, so as to reduce the pushing force of the gas in the piston cylinder 432 on the piston rod 433, and the rectangular plate 41 slides downward in the rectangular groove 42, at this time, due to the pulling of the spring on the bottom of the connecting rod 21, the connecting rod 21 automatically reversely rotates to separate the clamping block 23 from the material, so as to automatically release the clamping state of the material, the device has high automation degree, which facilitates the use of the operator, and when the device is not used, the connecting rods 21 always maintain the open state, which facilitates the placement of the material on the tray 1.

[0034] In further preferable embodiments of the present application, as shown in Figure 4 and Figure 5 , the locking mechanism 5 comprises a trapezoidal block 53, two triangular grooves 51 are oppositely formed at the top of the two sides of the rectangular plate 41, a sliding groove 52 is formed on the support plate 22 at a position corresponding to the triangular groove 51, the trapezoidal block 53 is slidingly arranged in the opening corresponding to the sliding groove 52, one end of the trapezoidal block 53 is inserted into the corresponding triangular groove 51 and is in contact with the inner wall of the corresponding triangular groove 51, the other end of the trapezoidal block 53 is fixedly provided with a piston plate 54, and the outer circumferential wall of the piston plate 54 is in contact with the inner wall of the corresponding sliding groove 52, the inside of the sliding groove 52 is connected with the inside of the corresponding piston cylinder 432 through a connecting pipe 56.

[0035] In the present embodiment, please refer to Figure 2 , Figure 4 and Figure 5 , when the gas is injected into the piston cylinder 432, part of the gas flows into the sliding groove 52 through the connecting pipe 56, so that the gas pressure in the sliding groove 52 and the gas pressure in the piston cylinder 432 are synchronously increased, at this time, due to the pushing of the gas in the sliding groove 52 on the piston plate 54, a pushing force in the direction of the rectangular block can be applied to the trapezoidal block 53 (which is composed of a rectangular block and a triangular rod), so that the trapezoidal block 53 is inserted into the triangular groove 51, which is due to the mutual resistance of the trapezoidal block 53 and the inner wall of the sliding groove 52 and the mutual resistance of the trapezoidal block 53 and the inner wall of the triangular groove 51, so as to lock the position of the rectangular plate 41, so that the mutual resistance of the rectangular plate 41 and the connecting rod 21 is more stable.

[0036] It should be noted that the bottom end of the trapezoidal block 53 close to the side of the rectangular plate 41 is provided in a beveled manner, so that during the movement of the rectangular plate 41, if the trapezoidal block 53 is stretched out of the sliding groove 52 in advance, the rectangular plate 41 can be directly pressed into the sliding groove 52 by the mutual resistance of the rectangular plate 41 and the bevel of the trapezoidal block 53, which will not affect the use of the device.

[0037] In further preferable embodiments of the present application, as shown in Figure 5As shown, the outer periphery of the trapezoidal block 53 is wrapped with the second spring 55, and the two ends of the second spring 55 are fixedly connected with the corresponding piston plate 54 and the inner wall of the corresponding sliding groove 52 respectively.

[0038] In this embodiment, please refer to Figure 5 As shown, the setting of the second spring 55 can continuously exert a pushing force on the piston plate 54 towards the direction away from the rectangular plate 41, so that the trapezoidal block 53 will not be extended out of the sliding groove 52 during the upward movement of the rectangular plate 41, and after the rectangular plate 41 and the inner wall of the rectangular groove 42 interfere with each other, the rectangular plate 41 cannot continue to move upward. At this time, as the subsequent gas is injected into the piston cylinder 432, the pressure in the sliding groove 52 is further increased, which offsets the pushing force of the second spring 55 on the piston plate 54, and then the trapezoidal block 53 is pushed out of the sliding groove 52.

[0039] Working principle: when the material clamping operation is performed, first, the material is placed on the tray 1 through the feeding device or manually, and then the device is started. The gas adjusting device starts to inject an appropriate amount of gas into the piston cylinder 432, part of which flows into the sliding groove 52 from the connecting pipe 56. At this time, the trapezoidal block 53 will not be extended out of the sliding groove 52 due to the pushing of the second spring 55 on the piston rod 433. As the gas continues to be injected into the sliding groove 52, the gas pressure in the sliding groove 52 and the gas pressure in the piston cylinder 432 are synchronously increased. After the gas pressure in the piston cylinder 432 reaches the first threshold value, the pushing force of the gas in the piston cylinder 432 on the piston rod 433 offsets the gravity of the piston rod 433 and the rectangular plate 41 to push the rectangular plate 41 upward. As the rectangular plate 41 moves upward, the top side arc surface of the rectangular plate 41 interferes with the connecting rod 21, the connecting rod 21 rotates forward, and the clamping block 23 is pushed towards the material, until the connecting rod 21 is in a vertical state. At this time, the clamping block 23 interferes with the material, and the clamping operation of the material is completed.

[0040] When the rectangular plate 41 and the inner wall of the rectangular groove 42 interfere with each other, the rectangular plate 41 cannot continue to move upward, and the triangular groove 51 is aligned with the trapezoidal block 53. Subsequently, as the gas in the piston cylinder 432 is further injected, the gas pressure in the sliding groove 52 is further increased. After the gas pressure in the sliding groove 52 reaches the second threshold value, the pushing force of the gas in the sliding groove 52 on the piston plate 54 offsets the pushing force of the second spring 55 on the piston plate 54, so that part of the trapezoidal block 53 is pushed out of the sliding groove 52, and the trapezoidal block 53 extended out of the sliding groove 52 is directly inserted into the triangular groove 51. At this time, due to the interference between the trapezoidal block 53 and the inner wall of the triangular groove 51, the position of the rectangular plate 41 can be locked, so that the interference state of the rectangular plate 41 and the connecting rod 21 is locked, and the clamping state of the clamping block 23 to the material is locked.

[0041] When the material is taken off from the tray 1, the gas adjusting device controls the communication between the inside of the piston cylinder 432 and the outside, and due to the pressing of the rectangular plate 41 to the piston rod 433, the gas in the piston cylinder 432 gradually flows out of the piston cylinder 432, so as to gradually reduce the air pressure in the piston cylinder 432 and the chute 52, and due to the pushing of the second spring 55 to the piston plate 54, the trapezoidal block 53 will first retract into the chute 52, at this time, the pushing force of the gas in the piston cylinder 432 to the piston rod 433 can still offset the gravity of the rectangular plate 41 and the piston plate 54, after the trapezoidal block 53 retracts into the chute 52, with the further reduction of the air pressure in the piston cylinder 432, the pressing force of the rectangular plate 41 to the piston rod 433 is gradually greater than the pushing force of the gas in the piston cylinder 432 to the piston rod 433, at this time, the rectangular plate 41 gradually moves downward to reset, and at the same time, due to the pulling of the second spring 55 to the bottom of the connecting rod 21, the connecting rod 21 automatically reverses to reset, so as to release the clamping state of the material, and to make the connecting rods 21 always maintain the open state, so as to facilitate the placement of subsequent materials.

[0042] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection required by the present application is defined by the appended claims and their equivalents.

Claims

1. A product clamping mechanism for use on a pallet, comprising a pallet (1), characterized in that: Clamping components (2) are provided at the four corners of the top side of the tray (1). The clamping components (2) include connecting rods (21) which are located above the tray (1). Two support plates (22) are provided on opposite sides of the connecting rods (21), and the connecting rods (21) and the two support plates (22) are rotatably connected by a pivot. An opening mechanism (3) is provided at the bottom of one side of the connecting rods (21). On the other side of the connecting rod (21), there is a limiting component (4). The limiting component (4) includes a rectangular plate (41), which is located between two corresponding support plates (22). The rectangular plate (41) is in contact with one side of the corresponding connecting rod (21). A rectangular groove (42) is provided on the support plate (22) at the position corresponding to the rectangular plate (41). Both ends of the rectangular plate (41) are inserted into the corresponding rectangular groove (42) and are in contact with the inner wall of the corresponding rectangular groove (42). The top side of the rectangular plate (41) is arc-shaped. A piston pushing mechanism (43) is provided on the bottom side of the support plate (22) for adjusting the vertical position of the rectangular plate (41). The support plate (22) is provided with a locking mechanism (5), which is used for limiting the position of the rectangular plate (41).

2. The product clamping mechanism for use on a pallet according to claim 1, characterized in that: A clamping block (23) is fixedly installed at the top of the other side of the connecting rod (21), and the clamping block (23) is a soft block. The side of the clamping block (23) away from the connecting rod (21) has several wear-resistant grooves.

3. A product clamping mechanism for use on a pallet according to claim 2, characterized in that: The piston pushing mechanism (43) includes a support rod (431), which is fixedly installed between two corresponding support plates (22). A piston cylinder (432) is fixedly installed on the top side of the support plate (22). A piston rod (433) is slidably installed inside the piston cylinder (432), and the top end of the piston rod (433) is fixedly connected to the corresponding rectangular plate (41).

4. A product clamping mechanism for use on a pallet according to claim 3, characterized in that: The opening mechanism (3) includes a fixed seat (31), which is located between two corresponding connecting rods (21) and fixedly connected to the tray (1). The end of the fixed seat (31) near the corresponding connecting rod (21) is inserted between two corresponding support plates (22) and fixedly connected to the two corresponding support plates (22) by bolts. A first spring (32) is provided between the fixed seat (31) and the connecting rod (21), and the two ends of the first spring (32) are fixedly connected to the bottom end of one side of the corresponding fixed seat (31) and the corresponding connecting rod (21), respectively.

5. A product clamping mechanism for use on a pallet according to claim 4, characterized in that: The locking mechanism (5) includes a trapezoidal block (53). Two triangular grooves (51) are opened opposite each other on the top of both sides of the rectangular plate (41). A sliding groove (52) is opened on the support plate (22) at the position corresponding to the triangular groove (51). The trapezoidal block (53) is slidably installed in the opening of the corresponding sliding groove (52). One end of the trapezoidal block (53) is inserted into the corresponding triangular groove (51) and contacts the inner wall of the corresponding triangular groove (51). The other end of the trapezoidal block (53) is fixedly installed with a piston plate (54). The outer peripheral wall of the piston plate (54) contacts the inner wall of the corresponding sliding groove (52). The interior of the sliding groove (52) is connected to the interior of the corresponding piston cylinder (432) through a connecting pipe (56).

6. A product clamping mechanism for use on a pallet according to claim 5, characterized in that: The outer periphery of the trapezoidal block (53) is wound with a second spring (55), and the two ends of the second spring (55) are fixedly connected to the inner wall of the corresponding piston plate (54) and the corresponding slide groove (52), respectively.

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