Feeding mechanism of injection molding machine

Abstract

The utility model discloses an injection molding machine feeding mechanism which comprises an injection molding machine body, a feeding port is formed in the upper end face of the injection molding machine body, a feeding hopper corresponding to the feeding port is detachably arranged at the upper end of the injection molding machine body, and mounting plates are arranged at the front end and the rear end of the feeding hopper. Mounting seats corresponding to the two mounting plates are arranged on the upper end surface of the injection molding machine body, mounting rods are arranged on the two mounting seats in a penetrating manner, mounting holes corresponding to the mounting rods are formed in the two mounting plates, mounting rings are arranged at the outer side ends of the two mounting rods, and springs are connected between the mounting rings and the mounting seats. A feeding hopper is arranged on the upper end face of the injection molding machine body, a cover plate is slidably arranged above the feeding hopper, a support is arranged on the upper end face of the injection molding machine body, an adjusting rod is rotatably arranged on the support, the left end of the adjusting rod is connected with an adjusting motor, an adjusting sleeve corresponding to the adjusting rod is arranged on the left end face of the cover plate, and the adjusting rod is in threaded connection with the adjusting sleeve. The replacement cost is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding machine feeding, and more particularly to a feeding mechanism of an injection molding machine. Background Art

[0002] Injection molding machine is the main molding equipment that uses plastic molding molds to make plastic products of various shapes of thermoplastic plastics or thermosetting plastics. During the processing and production process of the injection molding machine, it is necessary to add materials to the injection molding machine through a feeding mechanism to realize the injection molding operation. The existing feeding mechanism is fixed on the injection molding machine when in use. It is prone to damage or malfunction after long-term use. The disassembly and assembly operation is relatively troublesome. When the device is in use, after the feeding is completed, the feed port needs to be sealed with a cover to prevent impurities from entering. The opening and closing operation of the cover requires manual adjustment, and there is a lack of a suitable automatic adjustment mechanism. In addition, when the device is in use, in order to avoid feed blockage, the inside needs to be stirred. The existing stirring mechanism is generally set on the cover, which affects the opening and closing of the cover, and there is a lack of a suitable stirring adjustment mechanism on the stirring funnel. Utility Model Content

[0003] (1) Technical problems solved

[0004] In response to the problems existing in the prior art, the utility model provides a feeding mechanism for an injection molding machine to solve the technical problems mentioned in the background technology that the existing feeding mechanism is fixedly set on the injection molding machine when in use, is prone to damage or malfunction after long-term use, and is troublesome to disassemble and assemble.

[0005] (2) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a feeding mechanism of an injection molding machine, comprising an injection molding machine body, the upper end surface of the injection molding machine body is provided with a feeding port, the upper end of the injection molding machine body is detachably provided with a feeding funnel corresponding to the feeding port, mounting plates are provided at the front and rear ends of the feeding funnel, the upper end surface of the injection molding machine body is provided with a mounting seat corresponding to the two mounting plates, the two mounting seats are penetrated by mounting rods, the two mounting plates are provided with mounting holes corresponding to the mounting rods, the outer ends of the two mounting rods are provided with mounting rings, a spring is connected between the mounting ring and the mounting seat, a cover plate is slidingly provided above the feeding funnel, a bracket is provided on the upper end surface of the injection molding machine body, an adjusting rod is rotatably provided on the bracket, the left end of the adjusting rod is connected to an adjusting motor, the left end of the cover plate is provided with an adjusting sleeve corresponding to the adjusting rod, and the adjusting rod and the adjusting sleeve are threadedly connected.

[0007] The utility model is further configured such that a guide rod is symmetrically provided on the right end surface of the bracket, guide plates are provided at both the front and rear ends of the cover plate, and guide sleeves are provided on the two guide plates corresponding to the guide rods to guide the sliding adjustment of the cover plate.

[0008] The utility model is further configured as follows: a fixed plate is provided inside the feeding funnel, a stirring shaft is rotatably provided on the fixed plate, a stirring rod is provided on the stirring shaft, and a plurality of stirring rods are provided to facilitate feeding and stirring.

[0009] The utility model is further configured as follows: a driving shaft is rotatably provided on the feeding funnel, a driving motor is connected to the outer end of the driving shaft, and a transmission mechanism is provided between the driving shaft and the stirring shaft to drive the stirring.

[0010] The utility model is further configured such that the transmission mechanism includes a first gear and a second gear, the first gear is mounted on the driving shaft, the second gear is mounted on the stirring shaft, and the first gear and the second gear are meshed to ensure a transmission effect.

[0011] The utility model is further configured such that the upper end surface of the fixing plate is detachably provided with a fixing sleeve corresponding to the driving shaft and the transmission mechanism, thereby achieving safety protection for the driving shaft and the transmission mechanism.

[0012] The present invention is further configured such that an insert block is provided inside the fixing sleeve, and a slot is provided on the fixing plate corresponding to the insert block to facilitate installation and positioning.

[0013] The utility model is further configured such that a locking rod is provided at the bottom end of the insert block, a locking ring is sleeved on the outer end surface of the locking rod, and the locking rod and the locking ring are threadedly connected to achieve locking for installation.

[0014] (3) Beneficial effects

[0015] Compared with the prior art, the present invention provides a feeding mechanism for an injection molding machine, which has the following beneficial effects:

[0016] 1. Through the design of the feed funnel, the feed funnel can be detachably set corresponding to the feed port. The mounting plate and the mounting seat are installed in coordination, the mounting rod and the mounting hole are coordinated to achieve tight installation. The mounting ring and the spring are coordinated to facilitate quick and easy disassembly and assembly operations, making it convenient for the disassembly, assembly, maintenance or replacement of the feed funnel and saving replacement costs.

[0017] 2. Through the design of the cover, the motor is adjusted to drive the adjusting rod. The adjusting rod and the adjusting sleeve are threaded together, and the guide rod and the guide sleeve are guided together, which facilitates the automatic opening and closing adjustment of the cover. It is also convenient to automatically close the feeding funnel after the feeding is completed, ensuring the sealing effect, preventing the material from splashing outward, and preventing external impurities from accidentally entering.

[0018] 3. Through the design of the fixed plate and the fixed sleeve, the stirring mechanism is set corresponding to the fixed plate, the driving mechanism drives the stirring mechanism, and the fixed sleeve is detachable corresponding to the fixed plate, which is convenient for the safety protection of the stirring shaft, driving shaft and transmission mechanism, and facilitates safe and stable internal stirring, ensuring the feeding effect and avoiding blockage. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the injection molding machine body;

[0020] Figure 2 This is a schematic diagram of the injection molding machine body structure preferably used for the injection molding machine feeding mechanism;

[0021] Figure 3 This is a schematic diagram of the overall structure of a feed hopper preferably used in the feeding mechanism of an injection molding machine;

[0022] Figure 4 A cross-sectional view of the internal structure of a feed hopper of an injection molding machine feed mechanism preferably without a fixed sleeve installed;

[0023] Figure 5 This is an exploded view of the matching structure of a fixed sleeve, an insert locking rod and a locking ring preferably used in a feeding mechanism of an injection molding machine.

[0024] In the figure: 1. Injection molding machine body; 2. Feed inlet; 3. Feed hopper; 4. Mounting plate; 5. Mounting seat; 6. Mounting rod; 7. Mounting hole; 8. Mounting ring; 9. Spring; 10. Cover plate; 11. Bracket; 12. Adjusting rod; 13. Adjusting motor; 14. Adjusting sleeve; 15. Guide rod; 16. Guide plate; 17. Guide sleeve; 18. Fixed plate; 19. Stirring shaft; 20. Stirring rod; 21. Drive shaft; 22. Drive motor; 23. First gear; 24. Second gear; 25. Fixed sleeve; 26. Insert block; 27. Slot; 28. Locking rod; 29. ​​Locking ring. DETAILED DESCRIPTION

[0025] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0026] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0027] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually relative to the directions shown in the drawings, or relative to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually relative to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned direction words are not used to limit the present invention.

[0028] See also Figure 1-4 , a feeding mechanism of an injection molding machine, comprising an injection molding machine body 1, a feeding port 2 is opened on the upper end surface of the injection molding machine body 1, a feeding funnel 3 is detachably provided at the upper end of the injection molding machine body 1 corresponding to the feeding port 2, and mounting plates 4 are provided at the front and rear ends of the feeding funnel 3, and two mounting plates 4 are provided on the upper end surface of the injection molding machine body 1. A mounting seat 5 is penetrated by the two mounting seats 5, and mounting rods 6 are penetrated by the two mounting plates 4. Mounting holes 7 are opened on the two mounting plates 4 corresponding to the mounting rods 6, and mounting rings 8 are provided at the outer ends of the two mounting rods 6. A spring 9 is connected between the mounting ring 8 and the mounting seat 5, and a cover plate 10 is slidingly provided above the feeding funnel 3, and a bracket 11 is provided on the upper end surface of the injection molding machine body 1. An adjusting rod 12 is rotatably provided on the bracket 11, and an adjusting motor 13 is connected to the left end of the adjusting rod 12. An adjusting sleeve 14 is provided on the left end surface of the cover plate 10 corresponding to the adjusting rod 12, and the adjusting rod 12 and the adjusting sleeve 14 are threadedly connected.

[0029] In this embodiment, the feed funnel 3 is installed corresponding to the feed port 2, and the mounting plate 4 and the mounting seat 5 are installed in coordination. Before installation, grasp the mounting ring 8, pull out the mounting rod 6, and stretch the spring 9. After the installation is completed, release the mounting ring 8, the spring 9 retracts, and the mounting rod 6 is reset and inserted into the mounting hole 7 to tighten the mounting seat 5.

[0030] More specifically, the adjusting motor 13 drives the adjusting rod 12 to rotate, and the adjusting rod 12 and the adjusting sleeve 14 are threadedly engaged to achieve the opening and closing adjustment of the cover 10.

[0031] See also Figure 1 and Figure 2 As an embodiment of the cover 10: a guide rod 15 is symmetrically provided on the right end surface of the bracket 11, and guide plates 16 are provided at both the front and rear ends of the cover 10, and guide sleeves 17 are provided on the two guide plates 16 corresponding to the guide rods 15.

[0032] Specifically, when the cover plate 10 is opened or closed, the guide rod 15 and the guide sleeve 17 on the guide plate 16 cooperate with each other for guidance, thereby ensuring that the cover plate 10 is opened or closed.

[0033] See also Figure 3 、 Figure 4 and Figure 5, as an implementation method for feeding and stirring: a fixed plate 18 is provided inside the feeding funnel 3, and a stirring shaft 19 is rotatably provided on the fixed plate 18, and a stirring rod 20 is provided on the stirring shaft 19. There are multiple stirring rods 20, and a driving shaft 21 is rotatably provided on the feeding funnel 3. The outer end of the driving shaft 21 is connected to a driving motor 22, and a transmission mechanism is provided between the driving shaft 21 and the stirring shaft 19. The transmission mechanism includes a first gear 23 and a second gear 24, the first gear 23 is installed on the driving shaft 21, and the second gear 24 is installed on the stirring shaft 19. The first gear 23 and the second gear 24 are meshed. The upper end surface of the fixed plate 18 corresponds to the driving shaft 21 and the transmission mechanism and is detachably provided with a fixing sleeve 25, a plug block 26 is provided inside the fixing sleeve 25, and a slot 27 is opened on the fixed plate 18 corresponding to the plug block 26. A locking rod 28 is provided at the bottom end of the plug block 26, and a locking ring 29 is provided on the outer end surface of the locking rod 28. The locking rod 28 and the locking ring 29 are threadedly connected.

[0034] Specifically, the driving motor 22 drives the driving shaft 21 to rotate, the first gear 23 on the driving shaft 21 and the second gear 24 on the stirring shaft 19 are engaged with each other, and the stirring shaft 19 drives the stirring rod 20 to rotate to stir the feed and avoid feed blockage. The plug block 26 of the fixed sleeve 25 is installed in the corresponding slot 27. After the plug block 26 is installed, the locking rod 28 passes through the fixed plate 18, and the locking ring 29 and the locking rod 28 are threaded together to lock the installation.

[0035] In summary, the overall equipment is in use:

[0036] When in the feed adjustment state, the fixing sleeve 25 is installed corresponding to the fixing plate 18, the insert block 26 is installed through the slot 27, the locking rod 28 and the locking ring 29 are threaded together to lock the installation, the raw materials are added to the feed funnel 3, the drive motor 22 is started, the drive motor 22 drives the drive shaft 21 to rotate, the first gear 23 on the drive shaft 21 and the second gear 24 on the stirring shaft 19 are engaged, and the stirring rod 20 on the stirring shaft 19 stirs the internal raw materials to avoid feed blockage and facilitate feed adjustment.

[0037] When the cover 10 is in the open and close adjustment state, the adjustment motor 13 drives the adjustment rod 12 to rotate, the adjustment rod 12 and the adjustment sleeve 14 are threaded together, and the guide rod 15 and the guide sleeve 17 cooperate to guide, so as to realize the opening and closing adjustment of the cover 10. The cover 10 is closed corresponding to the feed funnel 3, and the top position of the feed funnel 3 is safely protected, thereby improving the protection effect and avoiding the internal raw materials from splashing outwards during the mixing process, facilitating automatic opening and closing adjustment, and saving manpower.

[0038] When the feed funnel 3 is in the disassembly state, the device has been used for a long time and the feed funnel 3 is damaged. To disassemble, repair or replace the feed funnel 3, hold the mounting ring 8, pull the mounting rod 6 out of the mounting hole 7, stretch the spring 9, and remove the feed funnel 3 with the mounting plate 4, which is convenient for quick disassembly and repair and extends the service life of the device.

[0039] In all the schemes mentioned above, the connection between the two components can be selected according to actual conditions by welding, bolt and nut connection, bolt or screw connection or other well-known connection methods, which will not be listed here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the present invention have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A feeding mechanism for an injection molding machine, comprising an injection molding machine body (1), characterized in that: The upper end surface of the injection molding machine body (1) is provided with a feed port (2), and a feed funnel (3) is detachably provided on the upper end of the injection molding machine body (1) corresponding to the feed port (2), and mounting plates (4) are provided at both the front and rear ends of the feed funnel (3), and the upper end surface of the injection molding machine body (1) is provided with mounting seats (5) corresponding to the two mounting plates (4), and mounting rods (6) are provided through the two mounting seats (5), and mounting holes (7) are provided on the two mounting plates (4) corresponding to the mounting rods (6), and the two mounting rods (6) are provided with mounting holes (8) outside. The side ends are each provided with a mounting ring (8), a spring (9) is connected between the mounting ring (8) and the mounting seat (5), a cover plate (10) is slidably provided above the feeding funnel (3), a bracket (11) is provided on the upper end surface of the injection molding machine body (1), an adjusting rod (12) is rotatably provided on the bracket (11), an adjusting motor (13) is connected to the left end of the adjusting rod (12), an adjusting sleeve (14) is provided on the left end surface of the cover plate (10) corresponding to the adjusting rod (12), and the adjusting rod (12) and the adjusting sleeve (14) are threadedly connected.

2. The feeding mechanism of an injection molding machine according to claim 1, characterized in that: A guide rod (15) is symmetrically provided on the right end surface of the bracket (11), and guide plates (16) are provided at both the front and rear ends of the cover plate (10), and guide sleeves (17) are provided on the two guide plates (16) corresponding to the guide rod (15).

3. The feeding mechanism of an injection molding machine according to claim 1, wherein: A fixed plate (18) is provided inside the feeding funnel (3), a stirring shaft (19) is rotatably provided on the fixed plate (18), a stirring rod (20) is provided on the stirring shaft (19), and a plurality of stirring rods (20) are provided.

4. The feeding mechanism of an injection molding machine according to claim 3, wherein: A driving shaft (21) is rotatably provided on the feeding funnel (3), an outer end of the driving shaft (21) is connected to a driving motor (22), and a transmission mechanism is provided between the driving shaft (21) and the stirring shaft (19).

5. The feeding mechanism of an injection molding machine according to claim 4, characterized in that: The transmission mechanism comprises a first gear (23) and a second gear (24), wherein the first gear (23) is mounted on the driving shaft (21), and the second gear (24) is mounted on the stirring shaft (19), and the first gear (23) and the second gear (24) are meshed.

6. The feeding mechanism of an injection molding machine according to claim 4, characterized in that: The upper end surface of the fixing plate (18) is detachably provided with a fixing sleeve (25) corresponding to the driving shaft (21) and the transmission mechanism.

7. The feeding mechanism of an injection molding machine according to claim 6, characterized in that: An insert block (26) is provided inside the fixing sleeve (25), and a slot (27) is provided on the fixing plate (18) corresponding to the insert block (26).

8. The feeding mechanism of an injection molding machine according to claim 7, characterized in that: A locking rod (28) is provided at the bottom end of the insert block (26), a locking ring (29) is sleeved on the outer end surface of the locking rod (28), and the locking rod (28) and the locking ring (29) are threadedly connected.

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