Multi-interval temperature coupling control device for charging barrel of injection molding machine

Abstract

The utility model relates to the technical field of injection molding equipment, and discloses an injection molding machine charging barrel multi-interval temperature coupling control device which comprises a barrel body, the top of the barrel body is fixedly connected with a hollow frame, the front side of the hollow frame is fixedly connected with a servo motor, and the output end of the servo motor penetrates through the hollow frame and is fixedly connected with a first worm. And a second worm is rotationally connected to the rear side of the interior of the hollow frame, driving bevel gears are fixedly connected to the ends, adjacent to the first worm, of the second worm, a movable rod is rotationally connected to the right side of the interior of the hollow frame, and a driven bevel gear is fixedly connected to the left end of the movable rod. According to the injection molding machine, the first worm can be driven to rotate through the servo motor, at the moment, the semi-worm gear can rotate along with the first worm so as to drive the corresponding knocking rod to swing front and back to knock the feeding frame, the feeding frame is not prone to being blocked by injection molding raw materials, and normal work of the injection molding machine is guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of injection molding equipment technology, and in particular to a multi-zone temperature coupling control device for injection molding machine barrel. Background Technology

[0002] Injection molding machines are the main molding equipment used to make various shapes of plastic products from thermoplastic or thermosetting plastics using plastic molds. The barrel is one of the key components of the injection molding machine. It is mainly used to hold plastic raw materials and provide a place for the plasticizing process. Since the temperature of the injection molding raw materials directly affects the quality of the injection molded products, a temperature control device is installed on the injection molding machine barrel to ensure that the plastic raw materials can be plasticized within a suitable temperature range.

[0003] A search revealed Chinese Patent Publication No. CN215661710U, which discloses a temperature control device for an injection molding machine. The device includes an injection molding machine body and an injection tube. A water tank is located inside the bottom of the injection molding machine body, and a heating strip is located inside the water tank. A circulating water pump is located at the top of the water tank. A heating groove is located inside the outer wall of the injection tube. An internal thread is provided on one side of the injection tube, and an injection needle is provided on one side of the injection tube. A threaded connecting ring is provided at the connection between the injection needle and the injection tube. The present invention discloses a temperature control device for injection molding machines. This device includes a water tank, heating strips, a circulating water pump, and a heating bath. The heating bath allows for water-heat circulation, maintaining a constant temperature inside the injection tube and preventing hardening of the plastic. The device also features internal threads, an injection needle, and a threaded connecting ring, facilitating disassembly of the injection needle and injection tube and enabling the cleaning of any plastic adhering to them. However, when pouring injection molding material into the feed box, it is easy to pour too much at once, causing blockage and preventing the machine from operating normally. This necessitates manual unblocking of the feed box, reducing worker efficiency. Utility Model Content

[0004] To overcome the above deficiencies, this utility model provides a multi-zone temperature coupling control device for injection molding machine barrels, which aims to improve the problem in the prior art where the feed frame of the injection molding machine barrel is easily blocked during use, causing the machine to malfunction.

[0005] To achieve the above objectives, this utility model adopts the following technical solution: a multi-zone temperature coupling control device for injection molding machine barrels, comprising a barrel body, a hollow frame fixedly connected to the top of the barrel body, a servo motor fixedly connected to the front side of the hollow frame, the output end of the servo motor passing through the hollow frame and fixedly connected to a first worm gear, a second worm gear rotatably connected to the rear side inside the hollow frame, a driving bevel gear fixedly connected to the adjacent end of the second worm gear and the first worm gear, a movable rod rotatably connected to the right side inside the hollow frame, a driven bevel gear fixedly connected to the left end of the movable rod, both driving bevel gears meshing with the front and rear sides of the driven bevel gear, a rotating rod rotatably connected to the front and rear ends of the top of the inner side of the hollow frame, a half-worm wheel fixedly connected to the bottom end of the rotating rod, two half-worm wheels meshing with the corresponding first worm and second worm gear respectively, a striking rod fixedly connected to the left side of the half-worm wheel, and a heating mechanism provided inside the barrel body for maintaining the temperature of the injection molding material inside the barrel body.

[0006] The above technical solution can drive the corresponding striking rod to swing back and forth to strike the feed frame. The feed frame is not easily blocked by the injection molding material, which ensures the normal operation of the machine and eliminates the need for manual unblocking of the feed frame.

[0007] As a further description of the above technical solution:

[0008] The heating mechanism includes a cavity, which is opened inside the cylinder. Multiple rings are fixedly connected at equal intervals inside the cavity. A heat insulation plate is fixedly connected to one side of each ring. Multiple heating rods are fixedly connected at equal intervals around one side of each heat insulation plate.

[0009] The above technical solution allows for heating of each temperature control zone inside the cylinder, ensuring that the temperature of the injection molding material inside the cylinder remains consistent and guaranteeing the processing quality of the subsequent injection molding material.

[0010] As a further description of the above technical solution:

[0011] A servo motor is fixedly connected to the left end of the cylinder. The output end of the servo motor passes through the cylinder and is fixedly connected to a spindle. A spiral blade is fixedly connected to the outside of the spindle.

[0012] The above technical solution can drive the mandrel to rotate, and the spiral blades on the mandrel will also rotate accordingly, thereby extruding the injection molding material.

[0013] As a further description of the above technical solution:

[0014] The heating mechanism also includes opening slots, and multiple opening slots are equidistantly opened on the front side of the cylinder. A heat insulation cover is fixedly connected inside the opening slot, and a fan is fixedly connected inside the heat insulation cover. Multiple temperature sensors are fixedly connected at equal intervals on the front side of the cylinder.

[0015] Through the above technical solution, multiple temperature sensors can be used to set the ideal temperature range for each temperature control zone, so that the temperature of the injection molding material inside the cylinder can always remain consistent.

[0016] As a further description of the above technical solution:

[0017] The top left side of the cylinder is connected to a feed frame, and the right end of the cylinder is provided with a discharge port.

[0018] Through the above technical solution, the feed frame can easily inject injection molding materials into the cylinder, and the discharge port can easily extrude the heated injection molding materials.

[0019] As a further description of the above technical solution:

[0020] A hollow ring is fixedly connected to the left side of the outer wall of the discharge port. Bolts are threaded to both the front and rear sides of the hollow ring, and one end of each bolt passes through the hollow ring and the cylinder in sequence.

[0021] Using the above technical solution, the discharge port can be removed by loosening the bolts, which makes it easier for workers to clean the inside of the cylinder.

[0022] As a further description of the above technical solution:

[0023] A control panel is fixedly connected to the right side of the hollow frame. The control panel is electrically connected to the servo motor, heating rod, fan, temperature sensor and servo motor respectively.

[0024] The above technical solution can control the operation of servo motors, heating rods, fans, temperature sensors, and servo motors.

[0025] As a further description of the above technical solution:

[0026] The diameter of the spiral blades is matched with the internal diameter of the cylinder.

[0027] The above technical solution can make the injection molding raw materials entering the cylinder more uniformly mixed.

[0028] This utility model has the following beneficial effects:

[0029] 1. In this utility model, the servo motor can drive the first worm to rotate, and the active bevel gear on the first worm will rotate accordingly. The driven bevel gear will also rotate accordingly, thereby driving the active bevel gear on the second worm to rotate. At this time, the half worm wheel will rotate accordingly, thereby driving the corresponding striking rod to swing back and forth to strike the feed frame. The feed frame is not easily blocked by the injection molding material, ensuring the normal operation of the machine. There is no need for manual unblocking of the feed frame, thereby improving the work efficiency of the staff.

[0030] 2. In this utility model, the cavity can be divided into multiple temperature control zones by the cooperation between the ring and the heat insulation plate. Then, the heating rod of each temperature control zone can perform heating to achieve temperature decoupling. The temperature sensor can detect the temperature of each zone. When the temperature exceeds the set value, the corresponding fan is turned on to cool down, thereby ensuring that each temperature control zone can be maintained within the ideal temperature range and guaranteeing the processing quality of the injection molding raw material. Attached Figure Description

[0031] Figure 1 This is a perspective view of a multi-zone temperature coupling control device for an injection molding machine barrel proposed in this utility model;

[0032] Figure 2 This is a structural cross-sectional view of a multi-zone temperature coupling control device for an injection molding machine barrel proposed in this utility model;

[0033] Figure 3 This is a top sectional view of the multi-zone temperature coupling control device for injection molding machine barrels proposed in this utility model.

[0034] Figure 4 for Figure 3 Enlarged view of point A in the image;

[0035] Figure 5 This is a partial structural exploded view of a multi-zone temperature coupling control device for injection molding machine barrels proposed in this utility model.

[0036] Legend:

[0037] 1. Cylinder; 2. Heating mechanism; 201. Cavity; 202. Ring; 203. Heat insulation plate; 204. Heating rod; 205. Opening slot; 206. Heat insulation cover; 207. Fan; 208. Temperature sensor; 3. Hollow frame; 4. Servo motor; 5. First worm gear; 6. Second worm gear; 7. Rotating rod; 8. Half worm gear; 9. Striking rod; 10. Moving rod; 11. Driven bevel gear; 12. Driving bevel gear; 13. Feed frame; 14. Discharge port; 15. Hollow ring; 16. Bolt; 17. Control panel; 18. Servo motor; 19. Mandrel; 20. Spiral blade. Detailed Implementation

[0038] 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.

[0039] Reference Figure 1 , Figure 3 and Figure 4 This utility model provides an embodiment of a multi-zone temperature coupling control device for an injection molding machine barrel, comprising a barrel 1, a hollow frame 3 fixedly connected to the top of the barrel 1, a servo motor 4 fixedly connected to the front side of the hollow frame 3, the output end of the servo motor 4 passing through the hollow frame 3 and fixedly connected to a first worm gear 5, a second worm gear 6 rotatably connected to the rear side inside the hollow frame 3, and a driving bevel gear 12 fixedly connected to the adjacent ends of the second worm gear 6 and the first worm gear 5, respectively; a movable rod 10 rotatably connected to the right side inside the hollow frame 3, and a driven bevel gear 11 fixedly connected to the left end of the movable rod 10, with both driving bevel gears 12 meshing with the front and rear sides of the driven bevel gear 11. The hollow frame 3 is connected to a rotating rod 7 at both the top front and rear ends of its inner side. The bottom end of the rotating rod 7 is fixedly connected to a half worm gear 8. The two half worm gears 8 are respectively meshed with the corresponding first worm 5 and second worm 6. A striking rod 9 is fixedly connected to the left side of the half worm gear 8. A heating mechanism 2 is provided inside the cylinder 1 to maintain the temperature of the injection molding material inside the cylinder 1. A servo motor 18 is fixedly connected to the left end of the cylinder 1. The output end of the servo motor 18 passes through the cylinder 1 and is fixedly connected to a mandrel 19. A spiral blade 20 is fixedly connected to the outside of the mandrel 19. The diameter of the spiral blade 20 matches the internal diameter of the cylinder 1.

[0040] Specifically, the servo motor 4 drives the first worm gear 5 to rotate. As the first worm gear 5 rotates, the active bevel gear 12 on it also rotates. At the same time, the driven bevel gear 11, which is tightly meshed with the active bevel gear 12, is also driven, causing another active bevel gear 12 on the second worm gear 6 to start rotating. At this time, the half worm wheel 8 that meshes with them will rotate and drive the corresponding striking rod 9 to swing back and forth. This swinging action effectively strikes the feed frame 13, ensuring that the feed frame 13 will not be blocked due to the accumulation of injection molding material. There is no need to manually clear the feed frame 13, which greatly improves the work efficiency of the staff. The servo motor 18 can drive the mandrel 19 to rotate, and the spiral blades 20 on the mandrel 19 will rotate accordingly to facilitate the extrusion of injection molding material.

[0041] Reference Figure 1 , Figure 3 and Figure 5 The heating mechanism 2 includes a cavity 201, which is opened inside the cylinder 1. Multiple rings 202 are fixedly connected at equal intervals inside the cavity 201. A heat insulation plate 203 is fixedly connected to one side of the rings 202. Multiple heating rods 204 are fixedly connected at equal intervals around one side of the multiple heat insulation plates 203. The heating mechanism 2 also includes an opening slot 205, which is opened at equal intervals on the front side of the cylinder 1. A heat insulation cover 206 is fixedly connected inside the opening slot 205. A fan 207 is fixedly connected inside the heat insulation cover 206. Multiple temperature sensors 208 are fixedly connected at equal intervals on the front side of the cylinder 1.

[0042] Specifically, since the ring 202 and the heat insulation plate 203 effectively divide the cavity 201 into multiple independent temperature control zones, these zones can be set with different ideal temperature ranges according to different process requirements. When the equipment is started, the heating rod 204 and the servo motor 18 are started at the same time. The servo motor 18 can drive the mandrel 19 to rotate, and the spiral blades 20 on the mandrel 19 rotate accordingly to perform an effective extrusion operation on the injection molding material. At the same time, the heating rod 204 precisely heats each temperature control zone inside the cylinder 1 to ensure that the temperature of the injection molding material inside the cylinder 1 remains uniform. When the temperature of a certain area exceeds the preset ideal value, the temperature sensor 208 will immediately start the corresponding fan 207 to cool down, thereby quickly adjusting the temperature to the set range. Through this precise temperature control mechanism, it can be ensured that each temperature control zone can be maintained within the ideal temperature range, thereby ensuring the processing quality of the subsequent injection molding material.

[0043] Reference Figure 1 and Figure 2 The top left side of the cylinder 1 is connected to the feed frame 13, and the right end of the cylinder 1 is provided with the discharge port 14. The outer left side of the discharge port 14 is fixedly connected to the hollow ring 15. The front and rear sides of the hollow ring 15 are threaded with bolts 16, and one end of the bolt 16 passes through the hollow ring 15 and the cylinder 1 in sequence.

[0044] Specifically, the feed frame 13 allows for easy injection of molding material into the cylinder 1, the discharge port 14 allows for easy extrusion of the heated molding material, and loosening the bolt 16 releases the limiting fixation of the hollow ring 15. At this point, the discharge port 14 can be removed, making it convenient for workers to clean the inside of the cylinder 1.

[0045] Reference Figure 1 A control panel 17 is fixedly connected to the right side of the hollow frame 3. The control panel 17 is electrically connected to the servo motor 4, heating rod 204, fan 207, temperature sensor 208 and servo motor 18 respectively.

[0046] Specifically, the operation of the servo motor 4, heating rod 204, fan 207, temperature sensor 208, and servo motor 18 can be controlled through the control panel 17. The servo motor 4 is model MHMJ082G1U, the heating rod 204 is a 316 stainless steel heating rod 204, the fan 207 is a DC speed-regulating fan, the temperature sensor 208 is a Pt100 platinum resistance sensor, and the servo motor 18 is model 1FT7.

[0047] Working principle: When using this device, the injection molding material to be processed is first poured into the feed frame 13. Then, the servo motor 4 drives the first worm 5 to rotate. The active bevel gear 12 on the first worm 5 will rotate accordingly. The driven bevel gear 11 meshing with the active bevel gear 12 will also rotate accordingly, thereby driving the active bevel gear 12 on the second worm 6 to rotate. At this time, the half worm wheel 8 meshing with the first worm 5 and the second worm 6 will rotate accordingly, thereby driving the corresponding striking rod 9 to swing back and forth to strike the feed frame 13. The feed frame 13 is not easily blocked by the injection molding material, ensuring the normal operation of the machine.

[0048] Furthermore, since the ring 202 and the heat insulation plate 203 divide the cavity 201 into multiple temperature control zones, the ideal temperature range of each temperature control zone can be set through multiple temperature sensors 208. When the device is working, the heating rod 204 and the servo motor 18 are activated. The servo motor 18 can drive the spindle 19 to rotate, and the spiral blades 20 on the spindle 19 will rotate accordingly to extrude the injection molding material. The heating rod 204 can heat each temperature control zone inside the cylinder 1, so that the temperature of the injection molding material inside the cylinder 1 can always remain consistent. When the temperature of a certain area exceeds the set value, the temperature sensor 208 will turn on the corresponding fan 207 to cool down, ensuring the processing quality of the subsequent injection molding material.

[0049] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model 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 utility model should be included within the protection scope of the present utility model.

Claims

1. A multi-zone temperature coupling control device for injection molding machine barrel, comprising a barrel body (1), characterized in that: A hollow frame (3) is fixedly connected to the top of the cylinder (1). A servo motor (4) is fixedly connected to the front side of the hollow frame (3). The output end of the servo motor (4) passes through the hollow frame (3) and is fixedly connected to a first worm gear (5). A second worm gear (6) is rotatably connected to the rear side of the interior of the hollow frame (3). A driving bevel gear (12) is fixedly connected to the adjacent end of the second worm gear (6) and the first worm gear (5). A movable rod (10) is rotatably connected to the right side of the interior of the hollow frame (3). A driven bevel gear (12) is fixedly connected to the left end of the movable rod (10). 11), both of the driving bevel gears (12) are meshed with the front and rear sides of the driven bevel gear (11). The front and rear ends of the inner top of the hollow frame (3) are rotatably connected with rotating rods (7). The bottom end of the rotating rods (7) is fixedly connected with a half worm gear (8). The two half worm gears (8) are meshed with the corresponding first worm (5) and second worm (6) respectively. The left side of the half worm gear (8) is fixedly connected with a striking rod (9). The inside of the cylinder (1) is provided with a heating mechanism (2). The heating mechanism (2) is used to maintain the temperature of the injection molding material inside the cylinder (1).

2. The injection molding machine barrel multi-zone temperature coupling control device according to claim 1, characterized in that: The heating mechanism (2) includes a cavity (201) which is located inside the cylinder (1). Multiple rings (202) are fixedly connected at equal intervals inside the cavity (201). A heat insulation plate (203) is fixedly connected to one side of each ring (202). Multiple heating rods (204) are fixedly connected at equal intervals around one side of each heat insulation plate (203).

3. The injection molding machine barrel multi-zone temperature coupling control device according to claim 1, characterized in that: A servo motor (18) is fixedly connected to the left end of the cylinder (1). The output end of the servo motor (18) passes through the cylinder (1) and is fixedly connected to a spindle (19). A spiral blade (20) is fixedly connected to the outside of the spindle (19).

4. The injection molding machine barrel multi-zone temperature coupling control device according to claim 2, characterized in that: The heating mechanism (2) also includes an opening slot (205), and multiple opening slots (205) are equidistantly opened on the front side of the cylinder (1). A heat insulation cover (206) is fixedly connected inside the opening slot (205), and a fan (207) is fixedly connected inside the heat insulation cover (206). Multiple temperature sensors (208) are fixedly connected at equal intervals on the front side of the cylinder (1).

5. The injection molding machine barrel multi-zone temperature coupling control device according to claim 1, characterized in that: The top left side of the cylinder (1) is connected to a feed frame (13), and the right end of the cylinder (1) is provided with a discharge port (14).

6. The injection molding machine barrel multi-zone temperature coupling control device according to claim 5, characterized in that: A hollow ring (15) is fixedly connected to the left side of the outer wall of the discharge port (14). Bolts (16) are threadedly connected to the front and rear sides of the hollow ring (15). One end of the bolt (16) passes through the hollow ring (15) and the cylinder (1) in sequence.

7. The injection molding machine barrel multi-zone temperature coupling control device according to claim 1, characterized in that: A control panel (17) is fixedly connected to the right side of the hollow frame (3). The control panel (17) is electrically connected to the servo motor (4), heating rod (204), fan (207), temperature sensor (208) and servo motor (18).

8. The injection molding machine barrel multi-zone temperature coupling control device according to claim 3, characterized in that: The diameter of the spiral blade (20) matches the internal diameter of the cylinder (1).

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