Automatic feeding device of injection molding machine
By designing structures such as support frames, servo motors, and ratchet discs, the adaptability and stability issues of automatic feeding devices for injection molding machines have been resolved, achieving stable and safe material conveying and improving the user experience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-03-03
AI Technical Summary
Existing automatic feeding devices for injection molding machines have poor material installation adaptability, poor conveying stability and safety, and are inconvenient to use.
It adopts a support frame, servo motor, ratchet disk and clamping plate structure. It achieves the adaptability adjustment and stable conveying of the material plate through elastic extension and rotation. Rubber material is used to prevent damage to the material plate, and rolling guide improves the stability of movement.
It achieves adaptable clamping of plates of different thicknesses and widths, stable prying and rolling movement, and improves the performance.
Smart Images

Figure CN223961627U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of injection molding machine feeding technology, specifically to an automatic feeding device for injection molding machines. Background Technology
[0002] Injection molding machines, also known as injection molding machines or injection molding machines, are the main molding equipment used to produce various shapes of plastic products from thermoplastic or thermosetting plastics using plastic molds. Injection molding machines heat the plastic, apply high pressure to the molten plastic, and inject it to fill the mold cavity. They are mainly divided into vertical injection molding machines and horizontal injection molding machines. Horizontal injection molding machines are mainly used for making large parts, while vertical injection molding machines are mainly used for making precision parts.
[0003] An automatic feeding device for injection molding machines (CN201820054842.9) has an orderly output of workpieces by a feeding mechanism, a picking mechanism that picks up the workpieces output by the feeding mechanism, and a feeding mechanism that transports the workpieces provided by the picking mechanism to the injection molding machine body. It has the advantages of high automation and reliable operation, but it has shortcomings. The existing equipment has poor material installation adaptability, poor conveying stability and safety, and is inconvenient to use. Therefore, an automatic feeding device for injection molding machines is needed to solve the above problems. Utility Model Content
[0004] The purpose of this utility model is to provide an automatic feeding device for injection molding machines, so as to solve the problems mentioned in the background art, such as poor material installation adaptability, poor conveying stability and safety, and inconvenience of use.
[0005] To achieve the above objectives, this utility model provides the following technical solution: an automatic feeding device for an injection molding machine, including a support frame, a lower fixed plate fixedly connected to the front side of the support frame, lower clamping plates distributed parallel to the front edge of the lower fixed plate, and a material plate distributed between the lower fixed plate and the lower clamping plate, a vertical telescopic sleeve plate vertically fixedly connected to the upper end of the support frame, and a vertical telescopic block slidably inserted into the inner wall of the vertical telescopic sleeve plate, a locking knob inserted into the upper rear side of the vertical telescopic sleeve plate, an upper fixed plate vertically installed on the upper front side of the vertical telescopic block, a spring mounting groove fitted onto the outer wall of the lower clamping plate, and a first connecting spring fixedly connected to the inner wall of the spring mounting groove and the inner wall of the upper fixed plate, one end of the first connecting spring on the inner wall of the spring mounting groove being fixedly connected to the lower front side of the lower clamping plate, and the upper fixed plate having a spring mounting groove on the outer wall of the lower clamping plate. One end of the first connecting spring is fixedly connected to the upper clamping plate, and rollers are rolled and embedded on the inner sides of the upper fixed plate, the upper clamping plate, the lower fixed plate, and the lower clamping plate. A matching groove is opened in the middle of the front side of the lower clamping plate. A transverse telescopic block is vertically fixedly connected to the middle of the front side of the lower fixed plate, and a mounting base is fitted on the outer wall of the transverse telescopic block. A servo motor is inserted and installed at the lower end of the mounting base, and a ratchet disk is installed at the output end of the servo motor. A lever is fixedly connected to the outer wall of the ratchet disk, and the lever is inserted and installed in the matching groove. Pull-out grooves are opened on both sides of the mounting base, and a second connecting spring is fixedly connected to both sides of the inner wall of the pull-out groove. A locking plug is fixedly connected to one end of the second connecting spring, and the locking plug is inserted and installed in the pull-out groove and the locking buckle groove. The locking buckle groove is opened on the side edge of the transverse telescopic block.
[0006] Preferably, the ratchet disc and the lever are connected to the material plate by a servo motor for rotational movement, and the lever is connected to the lower clamping plate by a matching groove for limited rotation. One side of the lever is made of rubber.
[0007] Preferably, the ratchet disc and the mounting base are connected to the lower fixed plate in a sliding telescopic connection via a lateral telescopic block, and the mounting base is locked in place with the lateral telescopic block in a locking slot via a locking plug, and the locking plug is elastically inserted into the locking slot via a second connecting spring.
[0008] Preferably, the upper fixed plate is connected to the vertical telescopic sleeve plate in a lifting and lowering motion via a vertical telescopic block, and the vertical telescopic block is fixedly connected to the vertical telescopic sleeve plate via a locking knob.
[0009] Preferably, the upper clamping plate and the lower clamping plate are elastically connected to the upper fixed plate and the lower fixed plate in a telescopic manner via a first connecting spring.
[0010] Preferably, the upper clamping plate and the upper fixed plate are clamped and installed together with the material plate by rollers in a rolling motion.
[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: the automatic feeding device of the injection molding machine can drive the upper clamping plate and the lower clamping plate to elastically extend and retract back and forth through the first connecting spring, which is convenient for clamping and adapting material plates of different thicknesses. It can also drive the upper fixed plate and the upper clamping plate to vertically adjust through the vertical telescopic block and the vertical telescopic sleeve plate to adapt to material plates of different widths. Moreover, the material plate can be stably moved by the rotating ratchet disc and the lever block. The rubber material on one side of the lever block can effectively prevent damage to the material plate. Furthermore, the material plate can be rolled and moved by the roller, which makes the movement more stable and has a better performance. Attached Figure Description
[0012] Figure 1 This is a perspective view of the automatic feeding device for injection molding machines according to this utility model;
[0013] Figure 2 This is a side view of the internal structure of the automatic feeding device for injection molding machines according to this utility model;
[0014] Figure 3 This is a top view of the internal structure of the ratchet disc of the automatic feeding device for injection molding machines according to this utility model;
[0015] Figure 4 This utility model relates to an automatic feeding device for injection molding machines. Figure 1 Enlarged view of point A in the middle;
[0016] Figure 5 This utility model relates to an automatic feeding device for injection molding machines. Figure 2 Enlarged view at point B in the middle;
[0017] Figure 6 This utility model relates to an automatic feeding device for injection molding machines. Figure 2 Enlarged view at point C;
[0018] Figure 7 This utility model relates to an automatic feeding device for injection molding machines. Figure 3 Enlarged view of point D in the middle.
[0019] In the diagram: 1. Support frame, 2. Servo motor, 3. Ratchet, 4. Mounting base, 5. Lower fixing plate, 6. Upper fixing plate, 7. Material plate, 8. Upper clamping plate, 9. Vertical telescopic block, 10. Vertical telescopic sleeve plate, 11. First connecting spring, 12. Spring mounting slot, 13. Lower clamping plate, 14. Pulley, 15. Horizontal telescopic block, 16. Locking knob, 17. Roller, 18. Pull-out slot, 19. Second connecting spring, 20. Locking buckle slot, 21. Locking insert, 22. Matching slot. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0021] Please see Figure 1-7 This utility model provides a technical solution: an automatic feeding device for an injection molding machine, including a support frame 1, a servo motor 2, a ratchet disc 3, a mounting base 4, a lower fixed plate 5, an upper fixed plate 6, a material plate 7, an upper clamping plate 8, a vertical telescopic block 9, a vertical telescopic sleeve plate 10, a first connecting spring 11, a spring mounting groove 12, a lower clamping plate 13, a lever 14, a horizontal telescopic block 15, a locking knob 16, a roller 17, a pull-out groove 18, a second connecting spring 19, a locking buckle groove 20, a locking insert 21, and a matching groove 22. The lower fixed plate 5 is fixedly connected to the front side of the support frame 1, and the lower clamping plates are distributed parallel to each other on the front edge of the lower fixed plate 5. 13, and material plates 7 are distributed between the lower fixed plate 5 and the lower clamping plate 13. A vertical telescopic sleeve plate 10 is vertically fixedly connected to the upper end of the support frame 1, and a vertical telescopic block 9 is slidably inserted into the inner wall of the vertical telescopic sleeve plate 10. A locking knob 16 is inserted into the upper rear side of the vertical telescopic sleeve plate 10. An upper fixed plate 6 is vertically installed on the upper front side of the vertical telescopic block 9. The upper fixed plate 6 is connected to the vertical telescopic sleeve plate 10 in a lifting and moving manner through the vertical telescopic block 9, and the vertical telescopic block 9 is locked and fixedly connected to the vertical telescopic sleeve plate 10 through the locking knob 16. This makes it easy to adjust the vertical extension and retraction of the upper fixed plate 6, and it has good adaptability.
[0022] A spring mounting groove 12 is fitted onto the outer wall of the lower clamping plate 13, and a first connecting spring 11 is fixedly connected to the inner wall of the spring mounting groove 12 and the inner wall of the upper fixing plate 6. One end of the first connecting spring 11 on the inner wall of the spring mounting groove 12 is fixedly connected to the lower front end of the lower clamping plate 13. One end of the first connecting spring 11 on the inner wall of the upper fixing plate 6 is fixedly connected to the upper clamping plate 8. Rollers 17 are rolled and embedded on the inner sides of the upper fixing plate 6, the upper clamping plate 8, the lower fixing plate 5, and the lower clamping plate 13. The upper clamping plate 8 and the lower clamping plate 13 are elastically connected to the upper fixing plate 6 and the lower fixing plate 5 through the first connecting spring 11, which allows the upper clamping plate 8 and the lower clamping plate 13 to be adjusted back and forth, with good adaptability.
[0023] The upper clamping plate 8 and the upper fixed plate 6, and the lower clamping plate 13 and the lower fixed plate 5 are connected to the material plate 7 by rollers 17, which are used to clamp and hold the material plate 7 in a rolling manner. This allows the material plate 7 to be guided by the rollers 17 and move stably. A matching groove 22 is opened in the middle of the front side of the lower clamping plate 13. A transverse telescopic block 15 is vertically fixed to the middle of the front side of the lower fixed plate 5. A mounting base 4 is fitted on the outer wall of the transverse telescopic block 15. A servo motor 2 is inserted into the lower end of the mounting base 4. A ratchet disk 3 is installed at the output end of the servo motor 2. The ratchet disk 3 and the lever 14 are connected to the material plate 7 by the servo motor 2 and rotate. The lever 14 is connected to the lower clamping plate 13 by the matching groove 22 and rotates in a limited manner. One side of the lever 14 is made of rubber. This allows the ratchet disk 3 and the lever 14 to drive the material plate 7 to rotate and adjust. The rubber material also prevents scratches.
[0024] The ratchet disc 3 and the mounting base 4 are connected to the lower fixed plate 5 by a transverse telescopic block 15 in a sliding telescopic connection. The mounting base 4 is locked in place with the transverse telescopic block 15 by a locking plug 21 in the locking slot 20. The locking plug 21 is elastically inserted into the locking slot 20 by a second connecting spring 19. This makes it easy to adjust the ratchet disc 3 and the mounting base 4 to extend and retract, and facilitates the disassembly and replacement of the ratchet disc 3. The ratchet disc 3 is easy to use. A lever 14 is fixedly connected to the outer wall of the ratchet disc 3 and is inserted into the matching slot 22. Pull-out slots 18 are opened on both sides of the mounting base 4. The inner walls of the pull-out slots 18 are fixedly connected to the second connecting springs 19. One end of the second connecting spring 19 is fixedly connected to the locking plug 21 and is inserted into the pull-out slots 18 and the locking slot 20. The locking slot 20 is opened on the side edge of the transverse telescopic block 15.
[0025] Working principle: When using the automatic feeding device of this injection molding machine, first assemble and install the device, then connect the device to the power supply. Next, place the material plate 7 between the upper fixed plate 6 and the upper clamping plate 8 and the lower fixed plate 5 and the lower clamping plate 13 for clamping. Then, fix the ratchet disc 3 to the servo motor 2. Next, slide the ratchet disc 3 into the matching groove 22 and lock it in place through the locking slot 20 and the locking block 21. Then, start the servo motor 2, and move the material plate 7 through the ratchet disc 3 and the toggle block 14. The roller 17 drives the material plate 7 to roll. When the width of the material plate 7 is different, the upper fixed plate 6 and the upper clamping plate 8 can be vertically extended and retracted through the vertical telescopic block 9 and the vertical telescopic sleeve 10 for adaptation and adjustment. This is the usage process of the automatic feeding device of the injection molding machine.
[0026] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. An automatic feeding device for an injection molding machine, comprising a support frame (1), wherein a lower fixing plate (5) is fixedly connected to the front side of the support frame (1), and lower clamping plates (13) are distributed parallel to each other on the front edge of the lower fixing plate (5), and a material plate (7) is distributed between the lower fixing plate (5) and the lower clamping plate (13), characterized in that: The upper end of the support frame (1) is vertically fixedly connected with a vertical telescopic sleeve plate (10), a vertical telescopic block (9) is slidably inserted and combined with the inner wall of the vertical telescopic sleeve plate (10), a locking knob (16) is inserted and combined with the upper end of the rear side of the vertical telescopic sleeve plate (10), an upper fixed plate (6) is vertically installed on the upper end of the front side of the vertical telescopic block (9), a spring mounting groove (12) is mounted on the outer wall of the lower clamping plate (13), a first connecting spring (11) is fixedly connected with the inner wall of the spring mounting groove (12) and the inner wall of the upper fixed plate (6), one end of the first connecting spring (11) in the spring mounting groove (12) is fixedly connected with the lower end of the front side of the lower clamping plate (13), one end of the first connecting spring (11) in the upper fixed plate (6) is fixedly connected with an upper clamping plate (8), and the inner sides of the upper fixed plate (6), the upper clamping plate (8), a lower fixed plate (5) and the lower clamping plate (13) are all rollingly embedded with a roller shaft (17), a matching groove (22) is formed in the front side of the lower clamping plate (13), a horizontal telescopic block (15) is fixedly connected with the front side of the lower fixed plate (5), an installation seat (4) is mounted on the outer wall of the horizontal telescopic block (15), a servo motor (2) is inserted and combined with the lower end of the installation seat (4), a ratchet disc (3) is installed at the output end of the servo motor (2), a pushing block (14) is fixedly connected with the outer wall of the ratchet disc (3), the pushing block (14) is inserted and combined with the matching groove (22), pull-out grooves (18) are formed in the two side edges of the installation seat (4), second connecting springs (19) are fixedly connected with the inner walls of the pull-out grooves (18), locking plug blocks (21) are fixedly connected with one end of the second connecting springs (19), and the locking plug blocks (21) are inserted and combined with the pull-out grooves (18) and locking buckle grooves (20), and the locking buckle grooves (20) are formed in the side edges of the horizontal telescopic block (15).
2. An automatic material feeding device for an injection molding machine according to claim 1, characterized in that: The ratchet disc (3) and the pushing block (14) are rotatably connected with the material plate (7) through the servo motor (2), the pushing block (14) is limitingly and rotatably connected with the lower clamping plate (13) through the matching groove (22), and one side of the pushing block (14) is made of rubber.
3. The automatic material feeding device for an injection molding machine according to claim 2, characterized in that: The ratchet disc (3) and the installation seat (4) are slidably connected with the lower fixed plate (5) through the horizontal telescopic block (15), the installation seat (4) is buckled and locked with the horizontal telescopic block (15) in the locking buckle groove (20) through the locking plug block (21), and the locking plug block (21) is elastically inserted and combined with the locking buckle groove (20) through the second connecting spring (19).
4. The automatic material feeding device for an injection molding machine according to claim 3, characterized in that: The upper fixed plate (6) is movably connected with the vertical telescopic sleeve plate (10) through the vertical telescopic block (9), and the vertical telescopic block (9) is fixedly connected with the vertical telescopic sleeve plate (10) through the locking knob (16).
5. The automatic material feeding device for an injection molding machine according to claim 4, characterized in that: The upper clamping plate (8) and the lower clamping plate (13) are elastically and front-back telescopically connected with the upper fixed plate (6) and the lower fixed plate (5) through the first connecting spring (11).
6. The automatic material feeding device for an injection molding machine according to claim 5, characterized by: The upper clamping plate (8) and the upper fixed plate (6) and the lower clamping plate (13) and the lower fixed plate (5) are installed in an upper and lower rolling clamping mode through the rolling shaft (17) and the material plate (7).
Citation Information
Patent Citations
Automatic feeding of injection molding machine
CN208375774U