Injection-molding product gripping device

Abstract

This invention discloses a device for gripping injection molded products, specifically related to the field of plastic product manufacturing technology. The device includes an injection molding machine, a conveyor belt assembly for transporting injection molded products on one side of the injection molding machine, a three-axis linear module mounted on the top of the fixed mold side of the injection molding machine, and a clamping assembly mounted on the three-axis linear module for initially clamping the demolded product. Adjustment components are provided on both sides of the clamping assembly to adjust the clamping force of adjacent clamping assemblies. Supporting components are provided on both sides of the bottom of the moving mold of the injection molding machine to stably support the demolded product. By setting the clamping and adjustment components, when the injection molded product is demolded, the clamping assembly, driven by the adjustment components, pre-clamps the product. After pre-clamping, the product will not hang on the injection molding machine at an angle during demolding, preventing product damage due to incorrect clamping position.

Description

Technical Field

[0001] This invention relates to the field of plastic product manufacturing technology, specifically to a gripping device for injection molding products. Background Technology

[0002] Injection molding machines are currently a common type of plastic processing equipment. They mainly consist of an injection unit, a mold clamping unit, a hydraulic system, and an electrical control system. They work by heating and melting plastic raw materials, then rapidly injecting them under high pressure into the cavity of a closed mold. After cooling and solidification, various plastic products are obtained. Injection molding machines are widely used in manufacturing plastic parts and products of various shapes and sizes, such as plastic containers (like plastic bottles and buckets), plastic toys, plastic household goods (like plastic chairs and clothes hangers), and plastic casings for electronic appliances, among many other fields.

[0003] After injection molding and cooling, the product is detached from the mold by a demolding or ejection mechanism within the mold. Only after separation does the mechanical gripper clamp and transport the product. However, without the mold's support and the gripper's inability to hold the product in time, the product may fall downwards and be damaged. Furthermore, due to the adhesive relationship between the product and the mold, simultaneous movement of all parts of the product during demolding is not guaranteed. Once separated, the product will tilt downwards under its own weight, potentially causing some parts to tilt downwards or diagonally. This tilted hanging on the injection molding machine leads to incorrect clamping positions, which can damage fragile products. Therefore, designing a gripping device to prevent product tilting is essential. Summary of the Invention

[0004] The purpose of this invention is to provide an injection molding product gripping device for injection molding, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an injection molding product gripping device, comprising an injection molding machine, a conveyor belt assembly for conveying injection molding products is provided on one side of the injection molding machine, a fixed mold is installed on the injection molding machine, and a three-axis linear module is installed on the top of one side of the fixed mold, characterized in that: a base plate is installed on one side of the three-axis linear module, the base plate is U-shaped, a limiting plate is fixedly installed on one side of the base plate, the limiting plate is concave, the concave groove of the limiting plate coincides with the concave groove of the base plate, a clamping assembly for initially clamping the demolded product is installed on the base plate, adjusting assemblies for adjusting the clamping force of adjacent clamping assemblies are provided on both sides of the clamping assembly, a moving mold is installed on the injection molding machine, supporting assemblies for stabilizing the demolded product are provided on both sides of the bottom of the moving mold, and a first sliding groove penetrating itself is provided on both sides of the limiting plate;

[0006] The clamping assembly includes two sliding blocks slidably disposed inside the two first sliding grooves, two extrusion sleeves inserted through the sides of the two sliding blocks, two push columns inserted at one end of the two extrusion sleeves, and two first clamping plates fixedly installed at the ends of the two push columns away from the extrusion sleeves. A first rubber pad is fixedly installed on the clamping side of each of the two first clamping plates. A push spring is sleeved on each of the two push columns, and the two ends of each push spring abut against the adjacent extrusion sleeve and the first clamping plate, respectively.

[0007] Through the above technical solution, the push column can slide inside the extrusion sleeve. When one end of the extrusion sleeve is pushed by the outside, the push spring will be compressed, thereby pushing the first clamping plate. The push column will control the movement direction of the first clamping plate. In this way, as the pushing force on the extrusion sleeve increases, the clamping force of the two first rubber pads on the demolded product will increase, preventing the clamping from loosening.

[0008] Preferably, the bottom of the limiting plate is provided with a pushing port, and a pushing plate is slidably disposed inside the pushing port. The pushing plate is concave, and first connecting plates are symmetrically fixedly installed on the upper end of the pushing plate. The upper ends of the two first connecting plates are fixedly connected to the lower ends of the adjacent sliding blocks.

[0009] With the above technical solution, the first connecting plate is connected to the push plate. When the push plate moves left and right, it will move the first connecting plate, which in turn moves the sliding block, allowing the entire extrusion sleeve to move. In this way, the first rubber pad can clamp the demolded product and move together.

[0010] Preferably, the adjustment assembly includes an adjustment plate disposed on one side of the limiting plate and having a second sliding groove, an adjustment column having one end passing through the second sliding groove, limiting columns being symmetrically connected to the sides of the adjustment column, the limiting columns sliding inside the second sliding groove, one end of the limiting columns abutting against the inner wall of the second sliding groove, and one end of the adjustment column being fixedly installed with one end of the extrusion sleeve.

[0011] With the above technical solution, one end of the limiting post passes through the adjusting post, and the two cooperate to form a cross-shaped fixation and slide inside the second sliding groove. In this way, the adjusting post cannot be disengaged from the second sliding groove. When the adjusting plate moves away from or towards the limiting plate, it will cause the limiting post to drive the adjusting post to move, thereby causing the adjusting post to pull or push the extrusion sleeve. This causes the entire extrusion sleeve, pushing post, first clamping plate, first rubber pad, and pushing spring to move together. This allows the two first rubber pads to move away from each other, making it convenient to clamp demolded products of different sizes, and also allows the two first rubber pads to move closer together, continuously increasing the clamping force on the demolded product, avoiding the product being clamped too tightly during the demolding stage, which would prevent the product from being demolded normally.

[0012] Preferably, a first support plate is rotatably mounted on the end of each of the two adjustment plates away from the limiting plate, and the side of each of the two first support plates away from the adjustment plate is fixedly mounted to the limiting plate. A second support plate is rotatably mounted on the other end of each of the two adjustment plates, and a third support plate is rotatably mounted on the end of each of the two second support plates away from the adjacent adjustment plate. Both of the two third support plates are set at the same tilt angle as the adjacent second support plates.

[0013] Through the above technical solution, when the third support plate moves down and the adjacent second support plate is at the same level, the second support plate will be pushed by the movement of the third support plate. In this way, the second support plate will push the adjusting plate, causing the adjusting plate to rotate around the axis hinged to the first support plate. The movement of the adjusting plate will move the limiting post and the adjusting post, thereby realizing the pre-clamping of demolded products of different sizes to prevent them from tilting, and gradually increasing the clamping force as the adjusting post moves.

[0014] Preferably, a first cylinder is fixedly installed on one side of the limiting plate, a second connecting plate is fixedly installed on the pushing end of the first cylinder, a third connecting plate arranged in an inverted triangle is fixedly installed on the bottom of the second connecting plate, a rotating groove is provided on the side of the third connecting plate that is in contact with the limiting plate, one end of each of the two third support plates extends into the rotating groove and is rotatably engaged with the third connecting plate through a rotating shaft, a third sliding groove is provided on the side of the limiting plate that is in contact with the first cylinder, a moving block is slidably installed inside the third sliding groove, and one side of the moving block is fixedly installed with the third connecting plate.

[0015] With the above technical solution, after the pushing part of the first cylinder is pushed out, the third connecting plate will move downward along the third sliding groove. This allows the third connecting plate to push the two third support plates, thereby enabling the two third support plates to move downward synchronously. This synchronous downward movement can drive the adjacent second support plates to move left and right.

[0016] Preferably, the upper and lower sides of the two second support plates are slidably provided with first limiting plates that are fixedly installed with limiting plates, and one side of the two third support plates is slidably fitted with second limiting plates that are fixedly installed with limiting plates. The first limiting plates are L-shaped, the second limiting plates are arc-shaped, and the second limiting plates have limiting openings that are adapted to the third support plates.

[0017] Through the above technical solution, the first limiting plate and the second limiting plate can limit the movement range of the second support plate and the third support plate, and at the same time enhance their stability.

[0018] Preferably, the limiting plate has two rotating openings on one side, and the support assembly includes a first drive plate rotatably installed inside the rotating opening, a second clamping plate fixedly installed in the middle of one side of the first drive plate, a second rubber pad fixedly installed in one side of the second clamping plate, and a support plate fixedly installed at the bottom of the second clamping plate. The second drive plate is rotatably installed at one end of the first drive plate, and a drive rod is rotatably installed at one end of the second drive plate.

[0019] With the above technical solution, pulling the drive rod will cause one end of the second drive plate to be pulled and moved. In this way, the first drive plate, which is hinged to it, will rotate around the shaft installed inside the rotating port. The rotation of the first drive plate will drive the second clamping plate to move in an arc, thereby moving the support plate to the bottom of the demolded product to hold the product. The second rubber pad will also fit and clamp the product, keeping the product stable during the transfer process.

[0020] Preferably, a second cylinder is fixedly installed on one side of the base plate, and a fourth connecting plate is fixedly installed on the pushing end of the second cylinder. The fourth connecting plate is L-shaped. The bottom ends of the two drive rods are fixedly installed with the fourth connecting plate, and the top ends of the two drive rods are provided with a third limiting plate fixedly installed with the limiting plate. The bottom sides of the two third limiting plates are provided with a moving groove that matches the drive rod.

[0021] Through the above technical solution, the second cylinder moves the fourth connecting plate, which in turn moves the fourth connecting plate along with the drive rod. Through the above steps, the second clamping plate, along with the second rubber pad, finally achieves stable clamping of the product.

[0022] Compared with the prior art, the beneficial effects of the present invention are: the present invention has a reasonable structural design and strong functionality, and has the following advantages:

[0023] 1. By setting up clamping components and adjustment components, when the injection molded product is demolded, the clamping components will pre-clamp the product under the drive of the adjustment components. After the product is pre-clamped, demolding will not result in the product hanging on the injection molding machine at an angle, thus avoiding product damage caused by the clamping device holding the product in an incorrect position.

[0024] 2. By setting up support components, after the clamping components clamp and demold the product, the support components will not only clamp the product from the bottom, but also support the bottom of the product. This will keep the product stable during transportation and prevent the product from falling.

[0025] 3. By setting up clamping components, adjusting components, and supporting components, after the clamping components pre-clamp the product, the adjusting and supporting components work together to allow the clamping components to move the product. During the movement of the clamping components, they are continuously squeezed by the adjusting components, thereby increasing the clamping force and clamping the product tightly. This can avoid clamping the product during the pre-clamping stage, which would cause the product to be unable to be demolded normally. Attached Figure Description

[0026] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0027] Figure 2 This is a schematic diagram of the structure of the present invention having a base plate;

[0028] Figure 3 For the present invention Figure 2 A schematic diagram of the structure at the left rear;

[0029] Figure 4 This is a schematic diagram of the structure of the present invention, which includes a first cylinder and a second cylinder;

[0030] Figure 5 This is a schematic diagram of the structure of the present invention having a clamping component;

[0031] Figure 6 For the present invention Figure 5 Enlarged view of the A-section structure;

[0032] Figure 7 This is a schematic diagram of the structure of the present invention, which includes a push plate;

[0033] Figure 8 This is a schematic diagram of the result of the present invention with supporting components;

[0034] Figure 9 This is a schematic diagram of the limiting plate structure of the present invention;

[0035] Figure 10 This is a schematic diagram showing the working state of the support component of the present invention.

[0036] In the diagram: 1. Injection molding machine; 2. Conveyor belt assembly; 3. Three-axis linear module; 401. Sliding block; 402. Extrusion sleeve; 403. Push column; 404. First clamping plate; 405. First rubber pad; 406. Push spring; 501. Adjusting plate; 502. Adjusting column; 503. Limiting column; 601. First drive plate; 602. Second clamping plate; 603. Second rubber pad; 604. Support plate; 605. Second drive plate; 606. Drive rod; 7. Base plate; 8. Limiting plate; 9. Pushing plate; 10. First connecting plate; 11. First support plate; 12. Second support plate; 13. Third support plate; 14. First cylinder; 15. Second connecting plate; 16. Third connecting plate; 17. First limiting plate; 18. Second limiting plate; 19. Second cylinder; 20. Fourth connecting plate; 21. Third limiting plate. Detailed Implementation

[0037] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0038] Please see Figures 1 to 10 This invention provides a technical solution: an injection molding product gripping device, including an injection molding machine 1, a conveyor belt assembly 2 for conveying injection molding products on one side of the injection molding machine 1, a fixed mold installed on the injection molding machine 1, a three-axis linear module 3 installed on the top of one side of the fixed mold, a base plate 7 installed on one side of the three-axis linear module 3, the base plate 7 being U-shaped, a limiting plate 8 fixedly installed on one side of the base plate 7, the limiting plate 8 being U-shaped, the concave groove of the limiting plate 8 coinciding with the concave groove of the base plate 7, a clamping assembly for initially clamping the demolded product installed on the base plate 7, adjusting assemblies for adjusting the clamping force of adjacent clamping assemblies on both sides of the clamping assembly, a moving mold installed on the injection molding machine 1, supporting assemblies for stabilizing the demolded product on both sides of the bottom of the moving mold, the limiting plate 8 moving to cover the moving mold in the center position, allowing the clamping assembly to accurately position and clamp the demolded product, and a first sliding groove penetrating itself on both sides of the limiting plate 8;

[0039] The clamping assembly includes two sliding blocks 401 slidably disposed inside the first sliding grooves, compression sleeves 402 inserted through the sides of the two sliding blocks 401, push posts 403 inserted into one end of the two compression sleeves 402, and first clamping plates 404 fixedly installed at the ends of the two push posts 403 away from the compression sleeves 402. First rubber pads 405 are fixedly installed on the clamping side of the two first clamping plates 404. Push springs 406 are fitted onto the two push posts 403, with each push spring 406 abutting against the adjacent compression sleeve 402 and the first clamping plate 404 at both ends. A limiting ring larger than the diameter of the push post 403 is fixed to the end of the push post 403 inside the compression sleeve 402 to prevent the push post 403 from sliding out of the compression sleeve 402. The extrusion sleeve 402 is separated from the pusher column 403, which can slide inside the extrusion sleeve 402. When one end of the extrusion sleeve 402 is pushed by the outside, the pusher column 403 will be pushed. Then the first clamping plate 404 will stick to the side of the product due to the pusher column 403. If the extrusion sleeve 402 is pushed further, the pusher column 403 will retract into the extrusion sleeve 402. This allows the extrusion sleeve 402 to work with the first clamping plate 404 to compress the pusher spring 406, thereby pushing the first clamping plate 404. The pusher column 403 will control the direction of movement of the first clamping plate 404. In this way, as the pushing force on the extrusion sleeve 402 increases, the clamping force of the two first rubber pads 405 on the demolded product will increase, preventing the clamping from loosening.

[0040] The bottom of the limiting plate 8 has a push port, and a push plate 9 is slidably arranged inside the push port. The push plate 9 is concave. The upper end of the push plate 9 is symmetrically fixed with first connecting plates 10. The upper ends of the two first connecting plates 10 are fixedly connected to the lower ends of the adjacent sliding blocks 401. The first connecting plates 10 are connected to the push plate 9. When the push plate 9 moves left and right, it will move the first connecting plates 10, thereby moving the first connecting plates 10 and the sliding blocks 401, allowing the entire extrusion sleeve 402 to move. In this way, the first rubber pad 405 can clamp the demolded product and move together. The two first clamping plates 404 and the first rubber pad 405 cooperate to clamp the product and move together with the product, preventing the product from tilting during demolding.

[0041] The adjustment assembly includes an adjustment plate 501 disposed on one side of the limiting plate 8 and having a second sliding groove, and an adjustment post 502 with one end passing through the second sliding groove. Limiting posts 503 are symmetrically connected to the upper and lower sides of the adjustment post 502. The limiting posts 503 slide inside the second sliding groove, with one end abutting against the inner wall of the second sliding groove. One end of the adjustment post 502 is fixedly installed to one end of the extrusion sleeve 402. One end of the limiting post 503 passes through the adjustment post 502. The two work together to form a cross-shaped fixation, allowing the adjustment post 502 to slide inside the second sliding groove. This prevents the adjustment post 502 from disengaging from the second sliding groove. When the adjustment plate 501 moves away from or towards the limiting plate 8, the adjustment plate 501 will be moved by the limiting post 502. 3. The adjusting column 502 is moved, which in turn pulls or pushes the extrusion sleeve 402, causing the entire extrusion sleeve 402, pushing column 403, first clamping plate 404, first rubber pad 405, and pushing spring 406 to move together. This allows the two first rubber pads 405 to move away from each other, making it easier to clamp demolded products of different sizes. At the same time, it allows the two first rubber pads 405 to move closer to each other. As the distance between the two first rubber pads 405 gets closer, the clamping force applied to the demolded product will increase, thus making the clamping of the demolded product more stable. This avoids clamping the product too tightly during the demolding stage, which could prevent the product from being demolded normally.

[0042] Two adjusting plates 501 are rotatably mounted with a first support plate 11 at one end away from the limiting plate 8. The side of each first support plate 11 away from the adjusting plate 501 is fixedly mounted to the limiting plate 8. The other end of each adjusting plate 501 is rotatably mounted with a second support plate 12. The end of each second support plate 12 away from the adjacent adjusting plate 501 is rotatably mounted with a third support plate 13. Both third support plates 13 are set at the same inclination angle as the adjacent second support plate 12. During the process of the third support plate 13 moving down and the adjacent second support plate 12 being at the same level, the second support plate 12 will be pushed by the movement of the third support plate 13. In this way, the second support plate 12 will push the adjusting plate 501 away from the limiting plate 8 to rotate, so that the adjusting plate 501 rotates around the axis hinged to the first support plate 11. The movement of the adjusting plate 501 will move the limiting post 503 and the adjusting post 502.

[0043] A first cylinder 14 is fixedly installed on one side of the limiting plate 8. A second connecting plate 15 is fixedly installed on the pushing end of the first cylinder 14. A third connecting plate 16, arranged in an inverted triangle, is fixedly installed on the bottom of the second connecting plate 15. A rotating groove is provided on the side of the third connecting plate 16 that is in contact with the limiting plate 8. One end of each of the two third support plates 13 extends into the rotating groove and is rotatably engaged with the third connecting plate 16 via a rotating shaft. A third sliding groove is provided on the side of the limiting plate 8 that is in contact with the first cylinder 14. A moving block is slidably installed inside the third sliding groove. One side of the moving block is fixedly installed with the third connecting plate 16. After the pushing part of the first cylinder 14 is pushed out, the third connecting plate 16 will move downward along the third sliding groove, thus allowing the third connecting plate 16 to move downward. The two third support plates 13 are pushed to move downward synchronously. This synchronous downward movement drives the adjacent second support plates 12 to move left and right. The first cylinder 14 retracts its pushing part, and the third support plates 13 move upward along the third sliding groove. One end of each of the two third support plates 13 is driven upward, thereby pulling the second support plates 12 to move. As the second support plates 12 move, the ends of the two adjusting plates 501 that are hinged to the second support plates 12 will approach the limiting plate 8. At this time, the adjusting plates 501 are in an inclined state with one end in contact with the first support plate 11 away from the limiting plate 8 and the other end close to the limiting plate 8. This resets the adjusting plates 501. This process is repeated to enable continuous operation.

[0044] Both upper and lower sides of the two second support plates 12 are slidably provided with first limiting plates 17 that are fixedly installed with the limiting plates 8. Both sides of the two third support plates 13 are slidably fitted with second limiting plates 18 that are fixedly installed with the limiting plates 8. The first limiting plates 17 are L-shaped and the second limiting plates 18 are arc-shaped. The second limiting plates 18 have limiting openings that are adapted to the third support plates 13. The first limiting plates 17 and the second limiting plates 18 can limit the movement range of the second support plates 12 and the third support plates 13, and at the same time enhance their stability.

[0045] Two rotating openings are provided on one side of the limiting plate 8. The support assembly includes a first drive plate 601 rotatably installed inside the rotating opening, a second clamping plate 602 fixedly installed in the middle of one side of the first drive plate 601, a second rubber pad 603 fixedly installed in one side of the second clamping plate 602, and a support plate 604 fixedly installed at the bottom of the second clamping plate 602. A second drive plate 605 is rotatably installed at one end of the first drive plate 601, and a drive rod 606 is rotatably installed at one end of the second drive plate 605. Pulling the drive rod 606 will cause one end of the second drive plate 605 to be pulled and moved. In this way, the first drive plate 601, which is hinged to it, will rotate around the axis installed inside the rotating opening. The rotation of the first drive plate 601 will drive the second clamping plate 602 to move in an arc, so that the support plate 604 moves to the bottom of the demolded product and supports the product. The second rubber pad 603 will also fit and clamp the product, so that the product remains stable during the transfer process.

[0046] A second cylinder 19 is fixedly installed on one side of the base plate 7. A fourth connecting plate 20 is fixedly installed on the pushing end of the second cylinder 19. The fourth connecting plate 20 is L-shaped. The bottom ends of the two drive rods 606 are fixedly installed on the fourth connecting plate 20. The top ends of the two drive rods 606 are provided with a third limiting plate 21 fixedly installed on the limiting plate 8. The bottom sides of the two third limiting plates 21 are provided with moving grooves that are compatible with the drive rods 606. When the second cylinder 19 moves the fourth connecting plate 20, the fourth connecting plate 20 will move along with the drive rods 606. Through the above steps, the second clamping plate 602 and the second rubber pad 603 will finally complete the stable clamping of the product.

[0047] Working principle: When the injection molding machine 1 is performing product injection, after the moving mold and the fixed mold are separated, the product will be attached to the moving mold. At this time, the three-axis linear module 3 will move the base plate 7 to one side of the moving mold and let the limiting plate 8 abut against the base of the moving mold, so that the moving mold and the product are in the center position of the limiting plate 8 in the horizontal direction.

[0048] After the position of the limiting plate 8 is moved, the first cylinder 14 is activated. After the pushing part of the first cylinder 14 is pushed out, the third connecting plate 16 will move downward along the third sliding groove. This allows the third connecting plate 16 to push the two third support plates 13, so that the two third support plates 13 can move downward synchronously. During the process of the third support plate 13 moving downward and the adjacent second support plate 12 being at the same level, the second support plate 12 will be pushed by the movement of the third support plate 13. This will push the adjusting plate 501, causing the adjusting plate 501 to rotate away from the limiting plate 8 around the axis hinged to the first support plate 11.

[0049] When the adjusting plate 501 moves away from the limiting plate 8, the limiting post 503 will drive the adjusting post 502 to move inside the second sliding groove, thereby allowing the adjusting post 502 to push the extrusion sleeve 402, so that the entire extrusion sleeve 402, the pushing post 403, the first clamping plate 404, the first rubber pad 405 and the pushing spring 406 move together on the sliding block 401, thus allowing the two first rubber pads 405 to move away from each other.

[0050] Then, the second cylinder 19 is activated to move the fourth connecting plate 20 back and forth. The movement of the fourth connecting plate 20 will pull the push plate 9 to move back and forth. The sliding block 401, in conjunction with the first connecting plate 10 connected to the push plate 9, can move inside the first sliding groove.

[0051] After the second cylinder 19, in conjunction with the push plate 9, pushes the two sliding blocks 401 to both sides of the injection molded product, the first cylinder 14 retracts its push part. This causes the third support plate 13 to move upward along the third sliding groove, and one end of the two third support plates 13 is driven upward, thereby pulling the second support plate 12 to move. As the second support plate 12 moves, the ends of the two adjusting plates 501 that are hinged to the second support plate 12 will approach the limiting plate 8. At this time, the adjusting plate 501 is in an inclined state with one end of the first support plate 11 away from the limiting plate 8 and the other end close to the limiting plate 8.

[0052] Due to the tilt of the adjustment plate 501, the positions of the two adjustment columns 502 move closer to each other, thereby causing the first clamping plate 404 to push the first rubber pad 405 to initially clamp the product still on the moving mold. The clamping force is small and will not hinder the product from detaching from the moving mold. It will only support the product during the process of detaching from the moving mold to prevent the product from tilting after detachment, which could lead to incorrect clamping position and damage to the product surface.

[0053] After the two first rubber pads 405 initially clamp the product, the injection molding machine 1 will automatically separate the product from the moving mold and eject it. During the ejection process, the second cylinder 19 will simultaneously retract the pushing part. The retraction of the second cylinder 19 will cause the fourth connecting plate 20 to move with the drive rod 606. The back-and-forth movement of the drive rod 606 will cause one end of the second drive plate 605 to be pulled and moved, causing the first drive plate 601, which is hinged to it, to rotate around the axis installed inside the rotating port. The rotation of the first drive plate 601 will drive the second clamping plate 602 to move in an arc, thereby allowing the support plate 604 to move to the bottom of the demolded product and hold the product. The second rubber pad 603 will also fit and clamp the product, keeping the product stable and preventing it from falling off during the transfer process.

[0054] As the second cylinder 19 retracts, the push plate 9 also moves backward. The first connecting plate 10 then drives the sliding block 401 to slide inside the first sliding groove. Since the adjusting plate 501 is inclined, during the movement of the sliding block 401, the adjusting plate 501, in conjunction with the limiting post 503, restricts the position of the two adjusting posts 502, thereby allowing the extrusion sleeve 402 to be pushed by the adjusting post 502. The more the sliding block 401 moves backward, the more the adjusting post 502 is pushed, thus allowing the push spring 406 to push the first clamping plate 404. This continuously increases the clamping force on the demolded product, preventing the first clamping plate 404 from clamping the product too tightly during the demolding stage, which would prevent the product from being demolded normally. This achieves pre-clamping to prevent the tilting of demolded products of different sizes, and the clamping force gradually increases as the adjusting post 502 moves.

[0055] After the product is clamped, fixed, and supported, the three-axis linear module 3 will move the base plate 7 to the top of the conveyor belt assembly 2. At this time, the pushing parts of the first cylinder 14 and the second cylinder 19 will be pushed out one after another, which will cause the first clamping plate 404 to separate from the sides of the product with the first rubber pad 405, and the second clamping plate 602 to separate from the bottom of the product with the second rubber pad 603 and the support plate 604. The product, which has lost its clamping and support, will automatically pass through the grooves of the base plate 7 and the pushing plate 9 and fall onto the conveyor belt assembly 2 to complete the conveying. After the product falls onto the conveyor belt assembly 2, the first cylinder 14 and the second cylinder 19 will reset to perform the next product clamping.

[0056] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An injection molding product grabbing device for injection molding, comprising an injection molding machine (1), a conveying belt assembly (2) for conveying injection molding products is arranged on one side of the injection molding machine (1), a fixed mold is installed on the injection molding machine (1), a three-axis linear module (3) is installed on the top of one side of the fixed mold, characterized in that: A base plate (7) is installed on one side of the three-axis linear module (3). The base plate (7) is U-shaped. A limiting plate (8) is fixedly installed on one side of the base plate (7). The limiting plate (8) is U-shaped. The U-shaped groove of the limiting plate (8) coincides with the U-shaped groove of the base plate (7). A clamping component for initially clamping the demolded product is installed on the base plate (7). Adjustment components for pushing adjacent clamping components to adjust the clamping force are provided on both sides of the clamping component. A moving mold is installed on the injection molding machine (1). Support components for stabilizing the demolded product are provided on both sides of the bottom of the moving mold. A first sliding groove penetrating itself is opened on both sides of the limiting plate (8). The clamping assembly includes two sliding blocks (401) slidably disposed inside the two first sliding grooves, compression sleeves (402) inserted through the sides of the two sliding blocks (401), push columns (403) inserted at one end of the two compression sleeves (402), and first clamping plates (404) fixedly installed at the ends of the two push columns (403) away from the compression sleeves (402). A first rubber pad (405) is fixedly installed on the clamping side of each of the two first clamping plates (404). Push springs (406) are sleeved on each of the two push columns (403), and each push spring (406) has two ends abutting against the adjacent compression sleeve (402) and the first clamping plate (404), respectively. The adjusting assembly includes an adjusting plate (501) disposed on one side of the limiting plate (8) and having a second sliding groove, and an adjusting column (502) with one end passing through the second sliding groove. The adjusting column (502) is symmetrically connected with limiting columns (503) on its side. The limiting column (503) slides inside the second sliding groove. One end of the limiting column (503) abuts against the inner wall of the second sliding groove. One end of the adjusting column (502) is fixedly installed with one end of the extrusion sleeve (402). Two rotating ports are opened on one side of the limiting plate (8). The support assembly includes a first driving plate (601) rotatably installed inside the rotating port, a second clamping plate (602) fixedly installed in the middle of one side of the first driving plate (601), a second rubber pad (603) fixedly installed in one side of the second clamping plate (602), and a support plate (604) fixedly installed at the bottom of the second clamping plate (602). A second driving plate (605) is rotatably installed at one end of the first driving plate (601), and a driving rod (606) is rotatably installed at one end of the second driving plate (605).

2. The injection molding product gripping device according to claim 1, characterized in that: The bottom of the limiting plate (8) is provided with a push port, and a push plate (9) is slidably arranged inside the push port. The push plate (9) is concave. The upper end of the push plate (9) is symmetrically fixedly installed with a first connecting plate (10). The upper ends of the two first connecting plates (10) are fixedly connected to the lower ends of the adjacent sliding blocks (401).

3. The injection molding product gripping device according to claim 1, characterized in that: Two adjustment plates (501) are rotatably mounted with a first support plate (11) at one end away from the limiting plate (8). The two first support plates (11) are fixedly mounted with the limiting plate (8) on the side away from the adjustment plate (501). The other end of the two adjustment plates (501) is rotatably mounted with a second support plate (12). The two second support plates (12) are rotatably mounted with a third support plate (13) at one end away from the adjacent adjustment plate (501). The two third support plates (13) are set at the same tilt angle as the adjacent second support plates (12).

4. The injection molding product gripping device according to claim 3, characterized in that: A first cylinder (14) is fixedly installed on one side of the limiting plate (8). A second connecting plate (15) is fixedly installed on the pushing end of the first cylinder (14). A third connecting plate (16) arranged in an inverted triangle is fixedly installed on the bottom of the second connecting plate (15). A rotating groove is opened on the side of the third connecting plate (16) that is in contact with the limiting plate (8). One end of each of the two third support plates (13) extends into the rotating groove and rotates with the third connecting plate (16) through a rotating shaft. A third sliding groove is opened on the side of the limiting plate (8) that is in contact with the first cylinder (14). A moving block is slidably installed inside the third sliding groove. One side of the moving block is fixedly installed with the third connecting plate (16).

5. The injection molding product gripping device according to claim 4, characterized in that: The upper and lower sides of the two second support plates (12) are each slidably provided with a first limiting plate (17) fixedly installed with the limiting plate (8), and one side of the two third support plates (13) is each slidably fitted with a second limiting plate (18) fixedly installed with the limiting plate (8). The first limiting plate (17) is L-shaped, and the second limiting plate (18) is arc-shaped. The second limiting plate (18) has a limiting opening that is compatible with the third support plate (13).

6. The injection molding product gripping device according to claim 1, characterized in that: A second cylinder (19) is fixedly installed on one side of the base plate (7). A fourth connecting plate (20) is fixedly installed on the pushing end of the second cylinder (19). The fourth connecting plate (20) is arranged in an "L" shape. The bottom ends of the two drive rods (606) are fixedly installed with the fourth connecting plate (20). The top ends of the two drive rods (606) are provided with a third limiting plate (21) fixedly installed with the limiting plate (8). The bottom sides of the two third limiting plates (21) are provided with a moving groove that matches the drive rod (606).

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