Automatic cap-plug pin feeding and taking machine

CN224714297UActive Publication Date: 2026-09-04ZHEJIANG HAERS VACUUM CONTAINERS CO LTD
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Patent Information

Application Number
CN202521776594.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-20
Publication Date
2026-09-04
Estimated Expiration
2035-08-20

AI Technical Summary

Technical Problem

[0002]在塑盖生产过程中,需将金属销钉精准嵌入注塑模具中,传统采用人工手动送取料方式,人工逐个放置销钉速度慢,制约整体生产效率,人工操作易导致销钉滑落或定位偏差,脱落的销钉可能损坏精密模具,造成高额维修成本及停产损失

Benefits of technology

1、采用多组振动盘与直振送料器并联送料,结合双通道设计,实现销钉连续高速输送,机械臂联动取料机构实现与注塑机生产节拍同步,彻底替代人工操作。

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Abstract

The utility model relates to cup cover production technical field, especially a kind of plastic cover pin automatic feeding and taking machine, including rack, at least two groups of feeding mechanism, and corresponding with it push-up mechanism and flat push mechanism;Wherein, the feeding mechanism is used to convey pin, including: vibrating disc, and corresponding with it straight vibration feeder;Blanking channel, with straight vibration feeder keeps contact;Feeding channel, fixed in the top of blanking channel.The utility model has the advantages that: using multiple vibrating disc and straight vibration feeder parallel feeding, combined with double-channel design, realize pin continuous high-speed conveying, mechanical arm linkage material taking mechanism realizes with injection molding machine production tempo synchronization, completely replaces manual operation;First proximity switch triggers push-up mechanism, second proximity switch linkage flat push mechanism, slot photoelectric switch and photoelectric board double-verification pin position and material taking state, push-up block and flat push block's stepped push design, avoid pin to tilt or fall off in transfer.
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Description

Technical Field

[0001] This utility model relates to the field of cup lid production technology, and in particular to an automatic feeding and unloading machine for plastic lid pins. Background Technology

[0002] In the production of plastic caps, metal pins need to be precisely embedded into the injection mold. Traditionally, manual feeding and picking are used. The slow speed of manually placing the pins one by one restricts the overall production efficiency. Manual operation can easily cause the pins to slip or be mispositioned. The detached pins may damage the precision mold, resulting in high maintenance costs and production downtime losses.

[0003] To address this issue, this utility model proposes an automatic feeding and unloading machine for plastic cap pins. Utility Model Content

[0004] The purpose of this invention is to at least solve one of the aforementioned technical defects.

[0005] Therefore, one objective of this utility model is to provide an automatic feeding and unloading machine for plastic cap pins, so as to solve the problems mentioned in the background art and overcome the shortcomings of the existing technology.

[0006] To achieve the above objectives, one embodiment of this utility model provides an automatic feeding and unloading machine for plastic cap pins, including a frame, at least two sets of feeding mechanisms, and corresponding upward pushing mechanisms and horizontal pushing mechanisms; wherein, the feeding mechanism is used to transport pins and includes: a vibratory feeder and a corresponding linear vibratory feeder; a discharge channel that maintains contact with the linear vibratory feeder; and an upper channel fixed to the top of the discharge channel; the upward pushing mechanism is used to push the pins in the discharge channel to the upper channel; and the horizontal pushing mechanism is used to push the pins in the upper channel out.

[0007] Preferably, as described in any of the above embodiments, the unloading channel is provided with a first feeding hole, and one end of the unloading channel is provided with a mounting hole, in which a first proximity switch is fixed; the loading channel is provided with a second feeding hole corresponding to the position of the first feeding hole; and a slotted photoelectric switch is provided on the side wall of the loading channel.

[0008] Preferably, in any of the above embodiments, a vertical plate is fixed on the frame, a horizontal plate is fixed on the top of the vertical plate, and the discharge channel is fixed on the horizontal plate.

[0009] Preferably, in any of the above embodiments, a first upright is fixed on the frame, and a first positioning plate is fixed on it. The first positioning plate is located in the middle of the linear vibrating feeder, and a material full stop switch is fixed on the first positioning plate.

[0010] Preferably, in any of the above embodiments, a second upright is fixed on the horizontal plate, a second positioning plate is fixed on the upright, a second proximity switch is fixed on the second positioning plate, and the second proximity switch is located above the second feeding hole.

[0011] Preferably, in any of the above embodiments, the pushing mechanism includes: a pushing block, which is movably engaged with the first feeding hole and the second feeding hole; and a first cylinder, which is fixed on the frame, and whose output shaft passes through the frame and is fixedly connected to the pushing block.

[0012] Preferably, according to any of the above solutions, the flat pushing mechanism includes: a support plate, fixedly connected to the horizontal plate; a flat pushing block, disposed in the feeding channel; and a second cylinder, fixed to the support plate, the output shaft of which passes through the support plate and is fixedly connected to the flat pushing block.

[0013] Preferably, any of the above solutions further includes a material handling mechanism, mounted on the injection molding machine's robotic arm, for transferring the pins in the loading channel to the injection molding machine. This mechanism includes: a connecting plate for connecting the robotic arm, with a mounting plate on one side and a suction cylinder mounted on the other side; a suction cylinder with a suction cup fixing plate fixed to it, and at least two sets of suction cups on the suction cup fixing plate; and a receiving component, mounted on the mounting plate, for receiving the pins pushed from the loading channel.

[0014] Preferably, according to any of the above embodiments, the receiving component includes: at least four receiving blocks, fixed from top to bottom on a mounting plate, each receiving block having a receiving groove, a plunger screw being threaded into the receiving groove, a photoelectric plate for cooperating with a slotted optical terminal switch being fixed on each receiving block, and a through groove being formed in the receiving groove; two push plates, evenly distributed among the four receiving blocks; the two ends of each push plate being slidably disposed in the through grooves of two adjacent receiving blocks; push blocks being fixed at both ends of each push plate, the push blocks being located in the receiving groove; and two pushing cylinders, fixed on the mounting plate, with their output shafts fixedly connected to the push plates.

[0015] Compared with the prior art, the advantages and beneficial effects of this utility model are as follows: 1. Multiple sets of vibratory feeders and direct vibratory feeders are connected in parallel for feeding. Combined with a dual-channel design, continuous high-speed conveying of pins is achieved. The robotic arm linkage material handling mechanism is synchronized with the production cycle of the injection molding machine, completely replacing manual operation.

[0016] 2. The first proximity switch triggers the upward pushing mechanism, and the second proximity switch links the horizontal pushing mechanism. The slotted photoelectric switch and photoelectric board verify the pin position and material picking status. The stepped pushing design of the upward and horizontal pushing blocks prevents the pin from tilting or falling off during transportation.

[0017] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0018] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which: Figure 1 This is a perspective view of an embodiment of the present utility model; Figure 2 This is a schematic diagram of the frame connection according to an embodiment of the present utility model; Figure 3 This is a schematic diagram of the horizontal plate connection according to an embodiment of the present utility model; Figure 4 This is a schematic diagram of the feeding channel connection according to an embodiment of the present utility model; Figure 5 This is a partial cross-sectional schematic diagram according to an embodiment of the present utility model; Figure 6 This is a schematic diagram of the material handling mechanism according to an embodiment of the present utility model; Figure 7 This is a schematic diagram of the suction cup cylinder connection according to an embodiment of the present utility model; Figure 8 According to the embodiments of this utility model Figure 7 Enlarged diagram of point A in the middle.

[0019] In the diagram: 1. Frame; 11. Vertical plate; 12. Horizontal plate; 13. First upright; 14. First positioning plate; 15. Material full stop switch; 16. Second upright; 17. Second positioning plate; 18. Second proximity switch; 2. Feeding mechanism; 21. Vibratory feeder; 22. Straight vibratory feeder; 23. Discharge channel; 24. First proximity switch; 25. Loading channel; 26. Slotted photoelectric switch; 3. Pushing mechanism; 31. Pushing... 32. First cylinder, 4. Flat pushing mechanism, 41. Support plate, 42. Flat pushing block, 43. Second cylinder, 5. Material picking mechanism, 51. Connecting plate, 52. Mounting plate, 53. Suction cup cylinder, 54. Suction cup fixing plate, 55. Suction cup, 56. Retrieval component, 5601. Material picking block, 5602. Piston screw, 5603. Photoelectric plate, 5604. Push plate, 5605. Push block, 5606. Pushing cylinder. Detailed Implementation

[0020] like Figures 1 to 8 As shown, an automatic feeding and unloading machine for plastic cap pins includes a frame 1, a feeding mechanism 2, an upward pushing mechanism 3, a horizontal pushing mechanism 4, and an unloading mechanism 5.

[0021] Furthermore, such as Figure 3As shown, a vertical plate 11 is fixed on the frame 1, and a horizontal plate 12 is fixed on the top of the vertical plate 11; A first upright 13 is fixed on the frame 1, and a first positioning plate 14 is fixed on the frame 1. A material full stop switch 15 is fixed on the first positioning plate 14. A second upright 16 is fixed on the horizontal plate 12, and a second positioning plate 17 is fixed on the horizontal plate 12. A second proximity switch 18 is fixed on the second positioning plate 17.

[0022] Furthermore, the feeding mechanism 2 is provided with at least two sets for conveying pins, including: Vibratory feeder 21 and corresponding direct vibratory feeder 22, the first positioning plate 14 is located in the middle of the direct vibratory feeder 22, the vibration source of the direct vibratory feeder 22 is fixed on the frame 1, and the bottom of the vibratory feeder 21 is provided with a fixed bracket for supporting it. The discharge channel 23 is in contact with the direct vibrating feeder 22, and the discharge channel 23 is fixed on the horizontal plate 12; The feeding channel 25 is fixed to the top of the unloading channel 23; The discharge channel 23 is provided with a first feeding hole, and a mounting hole is provided at one end of the discharge channel 23. A first proximity switch 24 is fixed in the mounting hole. The feeding channel 25 is provided with a second feeding hole corresponding to the position of the first feeding hole, and the second proximity switch 18 is located above the second feeding hole. A slotted photoelectric switch 26 is provided on the side wall of the feeding channel 25.

[0023] Furthermore, the upward pushing mechanism 3 is provided with at least two sets, corresponding to the feeding mechanism 2, for pushing the pins in the unloading channel 23 to the loading channel 25, including: The push block 31 is movable and can cooperate with the first feeding hole and the second feeding hole; The first cylinder 32 is fixed on the frame 1. Its output shaft passes through the frame 1 and is fixedly connected to the upper push block 31. In the initial state, the upper push block 31 is in the first feeding hole, and the top of the upper push block 31 is on the same plane as the discharge channel 23.

[0024] Furthermore, the pushing mechanism 4 is used to push out the pins in the feeding channel 25, including: Support plate 41 is fixedly connected to horizontal plate 12; The flat push block 42 is located inside the feed channel 25; The second cylinder 43 is fixed on the support plate 41, and its output shaft passes through the support plate 41 and is fixedly connected to the flat push block 42.

[0025] Furthermore, such as Figures 5 to 7As shown, the material handling mechanism 5 is mounted on the injection molding machine's robotic arm and is used to transfer the pin parts in the feeding channel 25 to the injection molding machine, including: A connecting plate 51 is used to connect a robotic arm. A plate 52 is installed on one side of the plate, and a suction cylinder 53 is installed on the other side. A suction cylinder 53 is fixed to a suction cup fixing plate 54, and at least two sets of suction cups 55 are provided on the suction cup fixing plate 54. Receiver component 56, mounted on mounting plate 52, is used to receive pins pushed into feed channel 25, including: At least four material picking blocks 5601 are fixed on the mounting plate 52 from top to bottom. Each material picking block 5601 has a material picking groove, and a plunger screw 5602 is threaded inside the material picking groove. A photoelectric plate 5603 for cooperating with a slotted optical terminal switch is fixed on the material picking block 5601. A through groove is opened inside the material picking groove. The plunger screw 5602 is a component used for workpiece locking in the prior art, and will not be described in detail here; Two push plates 5604 are evenly distributed between the four material picking blocks 5601; the two ends of the push plates 5604 are respectively slidably disposed in the through grooves of two adjacent material picking blocks 5601; push blocks 5605 are fixed on both ends of the push plates 5604, and the push blocks 5605 are located in the material picking groove. Two push cylinders 5606 are fixed on the mounting plate 52, and their output shafts are fixedly connected to the push plate 5604.

[0026] This device is used in conjunction with the robotic arm on the injection molding machine to feed materials (pin workpieces) into the injection molding machine.

[0027] An automatic feeding and unloading machine for plastic cap pins works on the following principle: The pins are conveyed by the vibratory feeder 21 and the linear feeder 22 to the unloading channel 23. When the first proximity switch 24 detects that the workpiece has reached the designated position, the first cylinder 32 is activated. The first cylinder 32 drives the push block 31 to move, which in turn drives the pin to move, so that the pin passes through the second feeding hole. When the second proximity switch 18 detects that the pin has been pushed to the designated position of the loading channel 25, the second cylinder 43 is activated. The second cylinder 43 drives the flat push block 42 to push the pin into the picking slot. The mechanical arm on the injection molding machine drives the picking mechanism 5 to move to the loading position on the injection molding machine. The push cylinder 5606 drives the push plate 5604 to push the workpiece into the station.

Claims

1. An automatic feeding and unloading machine for plastic cap pins, characterized in that: It includes a frame, at least two sets of feeding mechanisms, and corresponding upward and downward pushing mechanisms; The feeding mechanism, used for conveying pins, includes: Vibratory feeder and its corresponding linear vibratory feeder; The discharge channel maintains contact with the direct vibrating feeder; The feeding chute is fixed to the top of the unloading chute; The pushing mechanism is used to push the pins in the unloading channel to the loading channel; The push mechanism is used to push out the pins in the feeding channel.

2. The automatic feeding and unloading machine for plastic cap pins according to claim 1, characterized in that: The discharge channel is provided with a first feeding hole, and a mounting hole is provided at one end of the discharge channel. A first proximity switch is fixed in the mounting hole. The feeding channel is provided with a second feeding hole corresponding to the position of the first feeding hole; A slotted photoelectric switch is installed on the side wall of the feeding channel.

3. The automatic feeding and unloading machine for plastic cap pins according to claim 1, characterized in that: A vertical plate is fixed on the frame, a horizontal plate is fixed on the top of the vertical plate, and the feed channel is fixed on the horizontal plate.

4. The automatic feeding and unloading machine for plastic cap pins according to claim 1, characterized in that: A first upright is fixed on the frame, and a first positioning plate is fixed on it. The first positioning plate is located in the middle of the linear vibrating feeder, and a material full stop switch is fixed on the first positioning plate.

5. The automatic feeding and unloading machine for plastic cap pins according to claim 2, characterized in that: A second upright is fixed on the horizontal plate, and a second positioning plate is fixed on the upright. A second proximity switch is fixed on the second positioning plate and is located above the second feeding hole.

6. The automatic feeding and unloading machine for plastic cap pins according to claim 2, characterized in that: The pushing mechanism includes: The push block is movable and can cooperate with the first and second feeding holes; The first cylinder is fixed on the frame, and its output shaft passes through the frame and is fixedly connected to the upper push block.

7. The automatic feeding and unloading machine for plastic cap pins according to claim 3, characterized in that: The pushing mechanism includes: The support plate is fixedly connected to the horizontal plate; The flat push block is located inside the feeding channel; The second cylinder is fixed to the support plate, and its output shaft passes through the support plate and is fixedly connected to the flat push block.

8. The automatic feeding and unloading machine for plastic cap pins according to claim 1, characterized in that: It also includes a material handling mechanism, mounted on the injection molding machine's robotic arm, used to transfer the pin parts in the loading channel to the injection molding machine, including: A connecting plate is used to connect the robotic arm. A plate is mounted on one side of the plate, and a suction cup cylinder is mounted on the other side. A suction cup fixing plate is fixed on the suction cup cylinder, and at least two sets of suction cups are provided on the suction cup fixing plate. The receiving component, located on the mounting plate, is used to receive the pins pushed in the feeding channel.

9. An automatic feeding and unloading machine for plastic cap pins according to claim 8, characterized in that: The receiving component includes: At least four material picking blocks are fixed on the mounting plate from top to bottom. Each material picking block has a material picking groove, and a plunger screw is threaded inside the material picking groove. A photoelectric plate for cooperating with a slotted optical terminal switch is fixed on the material picking block, and a through groove is opened inside the material picking groove. Two push plates are evenly distributed between the four material picking blocks; the two ends of the push plates are respectively slidably disposed in the through grooves of two adjacent material picking blocks; push blocks are fixed on both ends of the push plates, and the push blocks are located in the material picking grooves; Two push cylinders are fixed to the mounting plate, and their output shafts are fixedly connected to the push plate.