Horizontal injection molding machine

Abstract

The present application relates to injection molding machine technical field, specifically disclose a horizontal injection molding machine, injection molding machine main body, still include the central control mechanism, central control mechanism sets up in the movable mould, central control mechanism is used for controlling the cooling water to the fixed mould and movable mould cooling according to the difficulty degree of finished product demolding, pull the glue head mechanism, pull the glue head mechanism sets up in the central control mechanism for automaticly pull off the product that sticks in the fixed mould not completely demolding, drive mechanism, drive mechanism sets up in the upper two corners of movable mould, drive mechanism controls pull the glue head mechanism to pull off the product that not completely demolding through the separation of fixed mould and movable mould both. The present application works through the force of pulling the glue head mechanism to control the central control mechanism, through the working of central control mechanism, the amount and flow rate of cooling water that enters fixed mould and movable mould are automatically controlled, so as to play the role of automatic control, reduce the cumbersome steps of manual control of staff.

Description

Technical Field

[0001] This invention relates to the field of injection molding machine technology, specifically a horizontal injection molding machine. Background Technology

[0002] Horizontal injection molding machines are a commonly used type of injection molding machine. The centerline of the injection assembly is concentric or coincident with the centerline of the mold clamping assembly and parallel to the mounting surface. Advantages of horizontal injection molding machines include a low center of gravity, stable operation, easier mold installation, operation, and maintenance, a large mold opening, and a small footprint. Horizontal injection molding machines are suitable for small-batch production and can produce large products such as automotive parts and medical devices. When selecting a horizontal injection molding machine, factors such as production volume, product shape, size, and batch size need to be considered. Furthermore, horizontal injection molding machines are relatively inexpensive and easier to operate and maintain.

[0003] In the operation of a horizontal injection molding machine, after each injection molding process, the finished product is loosened from the mold by the impact of high-pressure gas as the mold opens. The loosened product then automatically falls into a designated position. However, due to varying temperatures, the mold cooling effect is not significant. This can cause the finished product and the injection head to be difficult to loosen during mold opening, requiring operators to manually remove them from the machine. Manually removing the finished product and injection head not only reduces production efficiency but also poses a safety hazard to operators. Therefore, we propose a horizontal injection molding machine. Summary of the Invention

[0004] The purpose of this invention is to provide a horizontal injection molding machine to solve the problems mentioned in the background art, such as the reduction in production efficiency caused by manually removing finished products and injection heads, and the potential danger to workers.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a horizontal injection molding machine, comprising: an injection molding machine body, the injection molding machine body including an injection chamber, a fixed mold and a moving mold respectively disposed on the two inner walls of the injection chamber, positioning holes being provided at the four corners of the fixed mold, and a plurality of cooling water inlets being provided on one side of the moving mold.

[0006] It also includes a central control mechanism, which is set on the moving mold. The central control mechanism is used to control the cooling water to cool the fixed mold and the moving mold according to the difficulty of demolding the finished product.

[0007] The glue-pulling head mechanism is set on the central control mechanism and is used to automatically pull off the finished products that are stuck to the fixed mold and have not been completely demolded.

[0008] The drive mechanism is located at the upper two corners of the moving mold. The drive mechanism controls the pulling head mechanism to pull off the finished product that has not been completely demolded by separating the fixed mold and the moving mold.

[0009] The driving mechanism includes a guide post fixedly connected to the moving mold. A groove is provided on the guide post, and a center plate is slidably arranged inside the groove. Force-bearing plates are fixedly arranged at both ends of the center plate and sleeved on the outside of the guide post. The force-bearing plates slide along the groove through the center plate.

[0010] The center plate has a central column fixedly connected to the inside of the guide column. A return spring is fixedly installed on one side of the center plate, and a drive cable is fixedly installed on the other side of the center plate. The other end of the drive cable passes through the central column, and the center plate and the central column are slidably connected.

[0011] The rubber-pulling head mechanism includes a swing arm, a rotating ring fixedly installed at the top of the swing arm, a tension spring installed on one side of the rotating ring, a curved groove installed on the swing arm, and the swing arm has a curved structure.

[0012] The other end of the swing arm is rotatably equipped with a rotating column, and the other side of the rotating column is rotatably equipped with a clamping arm. The clamping arm and the swing arm form a rotating structure through the rotating column, and the rotation range of the clamping arm is 0-90°. A guide groove is opened on the inner side of the clamping arm, and a protective pad is fixedly installed on the guide groove.

[0013] The rotating column has several limiting plates fixedly installed on its side wall. These limiting plates are used to limit the rotation angle of the clamping arm.

[0014] The central control mechanism includes a fixed base that is fixedly connected to the moving mold. Inside the fixed base, there is a guide shaft with a length dimension greater than the thickness dimension of the moving mold. Inside the guide shaft, there is a tension sensor.

[0015] The tension sensor has a main pull wire fixed at both ends, a rubber head with a diameter larger than the main pull wire fixed at one end near the other end, and several auxiliary pull wires fixed at the other end of the main pull wire.

[0016] One side of the rubber head is equipped with a touch switch. The output end of the touch switch is connected to a counter that is fixedly connected to the main body of the injection molding machine via a wire. The output end of the counter is connected to an electromagnet and the intelligent system of the main body of the injection molding machine via wires.

[0017] The electromagnet is equipped with an air storage column, and a telescopic column runs through the inside of the air storage column. An extrusion plate is fixedly installed on the top of the telescopic column, and the diameter of the extrusion plate is the same as the diameter of the air storage column. An air distribution pipe is installed at the output end of the air storage column, and an expansion air ring is installed at the output end of the air distribution pipe. Several expansion air rings are fixed to the cooling water interface on the moving mold.

[0018] This invention has at least the following beneficial effects:

[0019] In the process of processing injection molded parts on a horizontal injection molding machine, this invention first separates the moving mold from the fixed mold. The rebound force of the drive mechanism when the molded part is released from the fixed mold drives the rubber head pulling mechanism to clamp the rubber head pulled out from the moving mold. Then, as the moving mold retracts, the rubber head and the injection molded part integrated with the rubber head are pulled from the fixed mold. After that, the part automatically falls to the designated position, thus achieving automatic demolding. Furthermore, the pulling force of the rubber head pulling mechanism controls the operation of the central control mechanism. The operation of the central control mechanism automatically controls the amount and flow rate of cooling water entering the fixed mold and the moving mold, thus achieving automatic control and reducing the tedious steps of manual control by the operator. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 This is a schematic diagram of the moving mold structure of the present invention;

[0022] Figure 3 This is a schematic diagram of the swing arm structure of the present invention;

[0023] Figure 4 This is a schematic diagram of the clamping arm structure of the present invention;

[0024] Figure 5 for Figure 4 Enlarged view of point A in the middle;

[0025] Figure 6 This is a schematic diagram of the guide post structure of the present invention;

[0026] Figure 7 This is a schematic diagram of the stress plate structure of the present invention;

[0027] Figure 8 This is a schematic diagram of the gas distribution pipe structure of the present invention;

[0028] Figure 9 for Figure 8 Enlarged view of point B in the middle;

[0029] Figure 10 This is a schematic diagram of the expansion ring structure of the present invention.

[0030] In the diagram: 1. Injection molding machine body; 11. Injection chamber; 12. Fixed mold; 13. Positioning hole; 14. Moving mold; 15. Cooling water interface; 2. Central control mechanism; 21. Guide shaft; 22. Fixed base; 23. Tension sensor; 24. Main pull cable; 25. Auxiliary pull cable; 26. Counter; 27. Electromagnet; 28. Telescopic column; 29. ​​Extrusion plate; 201. Air storage column; 202. Air distribution pipe; 203. Rubber head 204. Touch switch; 205. Expansion ring; 3. Rubber pull head mechanism; 31. Swing arm; 32. Rotary ring; 33. Bent groove; 34. Clamping arm; 35. Guide groove; 36. Protective pad; 37. Rotating column; 38. Limiting plate; 39. Tension spring; 4. Drive mechanism; 41. Guide column; 42. Slide groove; 43. Force plate; 44. Center plate; 45. Drive cable; 46. Center column; 47. Return spring. Detailed Implementation

[0031] 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.

[0032] Please see Figure 1-10 The present invention provides a technical solution:

[0033] Example 1

[0034] A horizontal injection molding machine includes: an injection molding machine body 1, the injection molding machine body 1 including an injection chamber 11, a fixed mold 12 and a moving mold 14 respectively provided on the two inner walls of the injection chamber 11, positioning holes 13 are provided at the four corners of the fixed mold 12, and a plurality of cooling water inlets 15 are provided on one side of the moving mold 14.

[0035] It also includes a central control mechanism 2, which is installed on the moving mold 14. The central control mechanism 2 is used to control the cooling water to cool the fixed mold 12 and the moving mold 14 according to the difficulty of demolding the finished product.

[0036] The glue-pulling head mechanism 3 is set on the central control mechanism 2 and is used to automatically pull off the finished products that are stuck to the fixed mold 12 and have not been completely demolded.

[0037] The drive mechanism 4 is located at the upper two corners of the moving mold 14. The drive mechanism 4 controls the pulling head mechanism 3 to pull off the finished product that has not been completely demolded by separating the fixed mold 12 and the moving mold 14.

[0038] When processing injection molded parts on a horizontal injection molding machine, the moving mold 14 and the fixed mold 12 are separated first. The rebound force of the drive mechanism 4 when it is released from the fixed mold 12 drives the rubber head pulling mechanism 3 to clamp the rubber head pulled out from the moving mold 14. Then, as the moving mold 14 retracts, the rubber head and the injection molded part integrated with the rubber head are pulled from the fixed mold 12 and then automatically fall to the designated position, thus achieving automatic demolding. The pulling force of the rubber head pulling mechanism 3 controls the operation of the central control mechanism 2. The operation of the central control mechanism 2 automatically controls the amount and flow rate of cooling water entering the fixed mold 12 and the moving mold 14, thus achieving automatic control and reducing the tedious steps of manual control by the operator.

[0039] The drive mechanism 4 includes a guide post 41 fixedly connected to the moving mold 14. A groove 42 is provided on the guide post 41. A center plate 44 is slidably arranged inside the groove 42. Force plates 43 are fixedly arranged at both ends of the center plate 44 and sleeved on the outside of the guide post 41. The force plates 43 slide along the groove 42 through the center plate 44.

[0040] A central column 46 is fixedly connected to the guide column 41 at the center of the central plate 44. A return spring 47 is fixedly installed on one side of the central plate 44, and a drive cable 45 is fixedly installed on the other side of the central plate 44. The other end of the drive cable 45 passes through the central column 46. The central plate 44 and the central column 46 are slidably connected. The drive cable 45 is fixedly connected to the swing arm 31. When the moving mold 14 retracts and separates from the fixed mold 12, the elasticity of the return spring 47 pushes the force plate 43 to slide along the central column 46 and the slide groove 42 toward the side closer to the fixed mold 12. Thus, the sliding of the central plate 44 can quickly relax the taut drive cable 45.

[0041] When the drive cable 45 is released quickly, the two swing arms 31 of the glue head pulling mechanism 3 can rotate inward at the same time, so that the glue head can be automatically clamped at this time, and then the glue head is pulled to disengage from the injection molded part, thus achieving the function of automatic demolding.

[0042] Example 2

[0043] The rubber-pulling head mechanism 3 includes a swing arm 31, a rotating ring 32 is fixedly provided at the top of the swing arm 31, a tension spring 39 is provided on one side of the rotating ring 32, a curved groove 33 is provided on the swing arm 31, and the structure of the swing arm 31 is a curved structure.

[0044] A rotating column 37 is rotatably mounted on the other end of the swing arm 31, and a clamping arm 34 is rotatably mounted on the other side of the rotating column 37. The clamping arm 34 forms a rotating structure with the swing arm 31 through the rotating column 37, and the rotation range of the clamping arm 34 is 0-90°. A guide groove 35 is opened on the inner side of the clamping arm 34, and a protective pad 36 is fixedly mounted on the guide groove 35. When the drive cable 45 is quickly released, the tension of the tension spring 39 quickly pulls the rotating ring 32 to rotate inward around the guide shaft 21, so that the two clamping arms 34 clamp the rubber head. One of the two clamping arms 34 has a guide groove 35, and the other has a protrusion that matches the guide groove 35. So that when the two clamping arms 34 rotate inward, the rubber head can be pushed to the center position of the guide groove 35, thereby ensuring that the position of the rubber head is the same each time, which is beneficial to the accuracy of detecting the force of pulling the rubber head each time.

[0045] When the moving mold 14 and the fixed mold 12 are closed, the guide post 41 is inserted into the positioning hole 13, and the fixed mold 12 pushes the force plate 43 to reset. At the same time, the tensioned and relaxed drive cable 45 is pulled, and the drive cable 45 pulls the two swing arms 31 to rotate outward. The bent groove 33 is just locked with the guide post 41, thereby reducing the impact on the closing of the moving mold 14 and the fixed mold 12.

[0046] Several limiting plates 38 are fixedly provided on the side wall of the rotating column 37. The limiting plates 38 are used to limit the rotation angle of the clamping arms 34. When the two clamping arms 34 clamp the rubber head, as the moving mold 14 continues to retract, the rubber head can be pulled, thereby causing the clamping arms 34 to rotate. The more difficult the injection molded part is to demold, the larger the angle between the clamping arms 34 and the limiting plates 38.

[0047] The central control mechanism 2 includes a fixed base 22 that is fixedly connected to the moving mold 14. A guide shaft 21 with a length dimension greater than the thickness dimension of the moving mold 14 is fixedly installed inside the fixed base 22. A tension sensor 23 is fixedly installed inside the guide shaft 21.

[0048] Both ends of the tension sensor 23 are fixedly equipped with main pull wires 24. Near the other end of the main pull wire 24, a rubber head 203 with a diameter larger than the main pull wire 24 is fixedly installed. Several auxiliary pull wires 25 are fixedly installed at the other end of the main pull wire 24. The auxiliary pull wires 25 are connected to the limiting plate 38. When the clamping arm 34 and the limiting plate 38 are rotated under force, the limiting plate 38 pulls the auxiliary pull wires 25, which in turn pulls the main pull wire 24. The tension of the main pull wire 24 is detected by the tension sensor 23, which helps to determine the demolding status of the injection molded part and allows the staff to make timely judgments on the condition of the injection molded part.

[0049] A touch switch 204 is provided on one side of the rubber head 203. The output end of the touch switch 204 is connected to a counter 26 fixedly connected to the injection molding machine body 1 via a wire. The output end of the counter 26 is connected to the electromagnet 27 and the intelligent system of the injection molding machine body 1 via wires. When the rotation angle of the limit plate 38 is greater than a specified value, the rubber head 203 will squeeze the touch switch 204, thereby transmitting a signal from the touch switch 204 to the counter 26. The counter 26 counts once. When the number of consecutive counts by the counter 26 exceeds the specified value, the intelligent system of the injection molding machine body 1 will issue an alarm, indicating that there may be a problem with poor cooling effect, resulting in difficulty in demolding, so that the staff can deal with it in time.

[0050] Example 3,

[0051] An air storage column 201 is provided on the electromagnet 27. A telescopic column 28 passes through the interior of the air storage column 201. An extrusion plate 29 is fixedly provided on the top of the telescopic column 28, and the diameter of the extrusion plate 29 is the same as the diameter of the air storage column 201. An air distribution pipe 202 is provided at the output end of the air storage column 201. An expansion air ring 205 is provided at the output end of the air distribution pipe 202. Several expansion air rings 205 are fixed to the cooling water interface 15 on the moving mold 14. When the counter 26 counts more times in a row than a specified value, the electromagnet 27 can be controlled to work. The electromagnet 27 drives the extrusion plate 29 to squeeze or release the air storage column 201, thereby controlling the amount of air entering the expansion air ring 205. The more the expansion air ring 205 expands, the less water enters the fixed mold 12 and the moving mold 14. This plays a role in automatically controlling the cooling rate and reducing the possibility of poor demolding due to poor cooling effect.

[0052] The more times the counter 26 counts consecutively, the smaller the current entering the electromagnet 27, the smaller the expansion of the expansion ring 205, and the more cooling water enters. 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 variations 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. A horizontal injection molding machine, include: The main body of the injection molding machine (1) includes an injection chamber (11). The two inner walls of the injection chamber (11) are respectively provided with a fixed mold (12) and a moving mold (14). The fixed mold (12) has positioning holes (13) at the four corners. The moving mold (14) has several cooling water inlets (15) on one side. Its features are: It also includes a central control mechanism (2), which is installed on the moving mold (14) and is used to control the cooling water to cool the fixed mold (12) and the moving mold (14); The glue-pulling head mechanism (3) is set on the central control mechanism (2) to automatically pull off the finished products that are stuck to the fixed mold (12) and have not been completely demolded; The driving mechanism (4) is located at the upper two corners of the moving mold (14). The driving mechanism (4) controls the separation of the fixed mold (12) and the moving mold (14) to pull off the finished product that has not been completely demolded. The driving mechanism (4) includes a guide post (41) fixedly connected to the moving mold (14). A groove (42) is provided on the guide post (41). A center plate (44) is slidably arranged inside the groove (42). Force plates (43) sleeved on the outside of the guide post (41) are fixedly arranged at both ends of the center plate (44). The force plates (43) slide along the groove (42) through the center plate (44). A central column (46) is fixedly connected to the inside of the guide column (41) at the center position of the central plate (44). A return spring (47) is fixedly installed on one side of the central plate (44), and a drive cable (45) is fixedly installed on the other side of the central plate (44). The other end of the drive cable (45) passes through the central column (46). The central plate (44) and the central column (46) are slidably connected. The rubber-pulling head mechanism (3) includes a swing arm (31), a rotating ring (32) is fixedly provided at the top of the swing arm (31), a tension spring (39) is provided on one side of the rotating ring (32), a curved groove (33) is provided on the swing arm (31), and the structure of the swing arm (31) is a curved structure. The other end of the swing arm (31) is rotatably provided with a rotating column (37), and the other side of the rotating column (37) is rotatably provided with a clamping arm (34). The clamping arm (34) forms a rotating structure with the swing arm (31) through the rotating column (37), and the rotation range of the clamping arm (34) is 0-90°. A guide groove (35) is opened on the inner side of the clamping arm (34), and a protective pad (36) is fixedly provided on the guide groove (35). The drive cable (45) is fixedly connected to the swing arm (31).

2. The horizontal injection molding machine according to claim 1, characterized in that: The side wall of the rotating column (37) is fixedly provided with several limiting plates (38), which are used to limit the rotation angle of the clamping arm (34).

3. The horizontal injection molding machine according to claim 2, characterized in that: The central control mechanism (2) includes a fixed seat (22) fixedly connected to the moving mold (14). A guide shaft (21) with a length dimension greater than the thickness dimension of the moving mold (14) is fixedly installed inside the fixed seat (22). A tension sensor (23) is fixedly installed inside the guide shaft (21).

4. The horizontal injection molding machine according to claim 3, characterized in that: Both ends of the tension sensor (23) are fixedly provided with a main pull wire (24). A rubber head (203) with a diameter larger than the main pull wire (24) is fixedly provided on the other end of the main pull wire (24). Several auxiliary pull wires (25) are fixedly provided on the other end of the main pull wire (24). Several auxiliary pull wires (25) are connected to the limiting plate (38).

5. The horizontal injection molding machine according to claim 4, characterized in that: A touch switch (204) is provided on one side of the rubber head (203). The output end of the touch switch (204) is connected to a counter (26) that is fixedly connected to the injection molding machine body (1) via a wire. The output end of the counter (26) is connected to the electromagnet (27) and the intelligent system of the injection molding machine body (1) via wires respectively.

6. The horizontal injection molding machine according to claim 5, characterized in that: An air storage column (201) is provided on the electromagnet (27). A telescopic column (28) passes through the interior of the air storage column (201). An extrusion plate (29) is fixedly provided on the top of the telescopic column (28), and the diameter of the extrusion plate (29) is the same as the diameter of the air storage column (201). An air distribution pipe (202) is provided at the output end of the air storage column (201). An expansion air ring (205) is provided at the output end of the air distribution pipe (202), and several expansion air rings (205) are fixed to the cooling water interface (15) on the moving mold (14).

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