Rubber injection molding machine

Abstract

The utility model relates to a rubber injection molding machine in the technical field of mechanical equipment, which comprises a horizontal screw extruder, and a molding component is arranged at a discharge pipe of the screw extruder; the forming assembly comprises a vertically-placed rotating disc, the center of the rotating disc is fixedly connected with a horizontal rotating shaft, the end, away from the rotating disc, of the horizontal rotating shaft is rotationally connected with a supporting plate through a bearing, the lower end of the supporting plate is arranged on the base, and the rotating disc is connected with a driver and evenly provided with a plurality of forming molds in the circumferential direction. And the discharge pipe is matched with the forming die at the uppermost part of the turntable. The rubber injection molding device is simple and reasonable in structure, efficient rubber injection molding operation can be achieved, the molding die can be taken and replaced, continuous feeding and discharging can be achieved conveniently, and the application range of the device is widened; and the distance between the forming assembly and the screw extruder is adjustable, so that the distance of the discharge pipe extending into the forming mold can be reasonably adjusted, and the forming effect can be improved as required.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical equipment, and in particular relates to a rubber injection molding machine. Background Art

[0002] In the process of making golf clubs, the handles are made of rubber and leather. The rubber needs to be injection molded during the processing. In the prior art, a screw extruder is generally used for molding. Patent No. CN209534109U discloses a rubber extrusion molding machine, including a casing, a feed hopper is installed on one side of the top of the casing, a filter box is fixedly installed on the bottom of the feed hopper, a feed pipe is fixedly connected to one side of the bottom of the filter box, an extrusion barrel is sealed and connected to one side of the feed pipe, an extrusion chamber is arranged inside the extrusion barrel, a screw extruder is installed in the middle of the inner side of the extrusion chamber, an air intake slot is arranged in the middle of the bottom end of the extrusion chamber, a heating chamber is arranged at the bottom of the air intake slot, and a gas collecting chamber is arranged at the bottom end of the heating chamber. Although the patent can filter the rubber, the extruded rubber has a certain shape and still needs to be processed according to the needs later, which increases the process, has high cost and low efficiency, and is not conducive to efficient production. Therefore, a rubber injection molding machine is needed to solve the above technical problems. Utility Model Content

[0003] To solve the above defects in the prior art, the utility model provides a rubber injection molding machine, including a screw extruder, wherein the screw extruder is horizontal, the screw extruder is fixed on a base, and a molding assembly is provided at the discharge pipe of the screw extruder;

[0004] The molding assembly includes a vertically placed turntable, the center of which is fixedly connected to a horizontal rotating shaft, the end of the horizontal rotating shaft away from the turntable is rotatably connected to a support plate through a bearing, the lower end of the support plate is arranged on a base, the turntable is connected to a drive, and a plurality of molding molds are evenly arranged along the circumference of the turntable, and the discharge pipe cooperates with the molding mold at the top of the turntable.

[0005] Preferably, the molding die is detachably connected to the turntable via a clamping member, and the clamping member comprises two clamping plates that cooperate with each other, and the clamping plates are respectively connected to retractable push rods.

[0006] Preferably, the push rod is an electric push rod.

[0007] Preferably, the drive includes a stepper motor, a gear ring and a gear, the gear ring is fixed on the side of the turntable close to the screw extruder, the gear ring is coaxial with the turntable, the gear is meshed with the gear ring, the gear is fixedly connected to the output shaft of the stepper motor, the stepper motor is arranged on the base, one end of the horizontal rotating shaft passes through the support plate and is connected to a conductive slip ring, and the wires connected to each of the electric push rods pass through the horizontal rotating shaft and are connected to an external power supply through a conductive slip ring.

[0008] Preferably, a slide groove is provided on the base, a threaded rod is provided in the slide groove, a slider that cooperates with the slide groove is threadedly matched on the threaded rod, the support plate and the stepper motor are fixed on the slider, and one end of the threaded rod passes through the slide groove and is connected to a forward and reverse motor.

[0009] The utility model also includes other components that enable a rubber injection molding machine to be used normally, such as a control component of an electric push rod, a control component of a forward and reverse motor, a control component of a stepper motor, etc., which are conventional technical means in the field. In addition, the devices or components not limited in the utility model, such as a conductive slip ring, an electric push rod, a forward and reverse motor, a screw, a slider, etc., all adopt conventional technical means and conventional equipment in the field.

[0010] Working principle: The rubber is extruded from the discharge pipe in the screw extruder and enters the molding die on the turntable corresponding to the discharge pipe. Then the stepper motor drives the turntable to rotate, and another molding die cooperates with the discharge pipe. The discharge pipe squeezes the rubber into the molding die again. The molding die filled with rubber can be removed from the turntable and the empty molding die can be installed on the turntable for standby. In the above process, the loading and unloading of the rubber after molding is improved. The loading and unloading process does not affect the extrusion molding operation, which improves the work efficiency. In addition, the molding assembly can approach and move away from the discharge pipe under the forward and reverse action of the forward and reverse motor, which is convenient for the maintenance and replacement of the molding die. The degree of fit between the discharge pipe and the molding die (how much the discharge pipe extends into the molding die) can also be adjusted as needed, which is beneficial to the molding effect; the setting of the clamp facilitates the removal of the molding die, facilitates the replacement of the molding die, and improves the use range of the equipment.

[0011] The beneficial effects of the utility model are as follows: the structure is simple and reasonable, and efficient rubber injection molding operation can be realized; the molding mold can be taken and replaced, and the required shape can be obtained by one-time molding and subsequent demolding; it is convenient to realize continuous loading and unloading and improve the application range of the equipment; the distance between the molding component and the screw extruder is adjustable, which is convenient for reasonably adjusting the distance of the discharge pipe extending into the molding mold, which is conducive to improving the molding effect according to needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0013] Figure 1 This is a structural schematic diagram of a rubber injection molding machine in an embodiment of the utility model;

[0014] Figure 2 for Figure 1 Right side view of the center turntable.

[0015] In the figure: 1. screw extruder; 2. base; 3. feed screw; 4. rotating motor; 5. discharge pipe; 6. turntable; 7. forming mold; 8. gear ring; 9. horizontal shaft; 10. support plate; 11. gear; 12. stepping motor; 13. clamping plate; 14. groove; 15. push rod; 16. slider; 17. screw; 18. forward and reverse motor. DETAILED DESCRIPTION

[0016] The present invention is described in detail below in conjunction with the drawings and specific embodiments in the embodiments of the present invention. The description here is only used to explain the present invention, but not to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work, any modifications, equivalent replacements, improvements, etc., should be included in the protection scope of the present invention.

[0017] Example

[0018] like Figure 1-2 As shown, the utility model provides a rubber injection molding machine, including a screw extruder 1, the screw extruder 1 is horizontal, the screw extruder 1 is fixed on a base 2, one end of a feeding screw 3 in the screw extruder 1 is connected to a rotating motor 4, and a molding assembly is provided at a discharge pipe 5 of the screw extruder 1;

[0019] The molding assembly includes a vertically placed turntable 6, the center of which is fixedly connected to a horizontal rotating shaft 9, the end of the horizontal rotating shaft 9 away from the turntable 6 is rotatably connected to a support plate 10 through a bearing, the lower end of the support plate 10 is arranged on a base 2, the turntable 6 is connected to a drive, and a plurality of molding molds 7 are evenly arranged on the turntable 6 along the circumference, and the discharge pipe 5 cooperates with the molding mold 7 at the top of the turntable 6.

[0020] The molding die 7 is detachably connected to the turntable 6 via a clamping member, wherein the clamping member comprises two mutually cooperating clamping plates 13 , each of which is connected to a retractable push rod 15 . A circular groove 14 is provided on the turntable 6 , and the clamping member and the molding die 7 are both located in the groove 14 .

[0021] The push rod 15 is an electric push rod 15 .

[0022] The drive includes a stepper motor 12, a gear ring 8 and a gear 11. The gear ring 8 is fixed on the side of the turntable 6 close to the screw extruder 1. The gear ring 8 is coaxial with the turntable 6. The gear 11 is meshed with the gear ring 8. The gear 11 is fixedly connected to the output shaft of the stepper motor 12. The stepper motor 12 is arranged on the base 2. One end of the horizontal shaft 9 passes through the support plate 10 and is connected to a conductive slip ring. The wires connected to each of the electric push rods 15 pass through the horizontal shaft 9 and are connected to an external power supply through a conductive slip ring.

[0023] The base 2 is provided with a slide groove, and a threaded rod 17 is provided in the slide groove. The threaded rod 17 is threadedly matched with a slider 16 that matches the slide groove. The support plate 10 and the stepper motor 12 are both fixed on the slider 16. One end of the threaded rod 17 passes through the slide groove and is connected to a forward and reverse motor 18.

[0024] During operation, the rubber is extruded from the discharge pipe 5 in the screw extruder 1 and enters the molding die 7 on the turntable 6 corresponding to the discharge pipe 5. Then the stepper motor 12 drives the turntable 6 to rotate, and another molding die 7 cooperates with the discharge pipe 5. The discharge pipe 5 extrude the rubber into the molding die 7 again. The molding die 7 filled with rubber can be removed from the turntable 6 and the empty molding die 7 can be installed on the turntable 6 for standby use. In the above process, the loading and unloading of the rubber after molding is improved, and the loading and unloading process does not affect the operation of extrusion molding, thereby improving work efficiency. In addition, the molding assembly can approach and move away from the discharge pipe 5 under the forward and reverse action of the forward and reverse motor 18, which is convenient for the maintenance and replacement of the molding die 7. The matching degree between the discharge pipe 5 and the molding die 7 (how much the discharge pipe 5 extends into the molding die 7) can also be adjusted as needed, which is beneficial to the molding effect; the setting of the clamping piece facilitates the removal of the molding die 7, facilitates the replacement of the molding die 7, and improves the scope of use of the equipment.

[0025] The embodiments of the present invention have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A rubber injection molding machine, comprising a screw extruder, characterized in that: The screw extruder is horizontal, fixed on a base, and a molding assembly is provided at the discharge pipe of the screw extruder; The molding assembly includes a vertically placed turntable, the center of which is fixedly connected to a horizontal rotating shaft, the end of the horizontal rotating shaft away from the turntable is rotatably connected to a support plate through a bearing, the lower end of the support plate is arranged on a base, the turntable is connected to a drive, and a plurality of molding molds are evenly arranged along the circumference of the turntable, and the discharge pipe cooperates with the molding mold at the top of the turntable.

2. A rubber injection molding machine according to claim 1, characterized in that: The forming mold is detachably connected to the turntable via a clamping member, wherein the clamping member comprises two clamping plates that cooperate with each other, and the clamping plates are respectively connected with retractable push rods.

3. A rubber injection molding machine according to claim 2, characterized in that: The push rod is an electric push rod.

4. A rubber injection molding machine according to claim 3, characterized in that: The drive includes a stepper motor, a gear ring and a gear. The gear ring is fixed on the side of the turntable close to the screw extruder. The gear ring is coaxial with the turntable. The gear is meshed with the gear ring. The gear is fixedly connected to the output shaft of the stepper motor. The stepper motor is arranged on a base. One end of the horizontal rotating shaft passes through a support plate and is connected to a conductive slip ring. The wires connected to each of the electric push rods pass through the horizontal rotating shaft and are connected to an external power supply through a conductive slip ring.

5. A rubber injection molding machine according to claim 4, characterized in that: The base is provided with a slide groove, a threaded rod is provided in the slide groove, a slider matched with the slide groove is threaded on the threaded rod, the support plate and the stepper motor are fixed on the slider, and one end of the threaded rod passes through the slide groove and is connected to a forward and reverse motor.

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