Hollow blow molding equipment for polyurethane rubber and plastic

Abstract

The utility model provides hollow blow molding equipment for polyurethane rubber and plastic, and solves the problems that a conventional blow molding structure is single in air inlet mode, fixed in air inlet position, low in equipment applicability and the like. According to the main scheme, the synchronous frame is used for being connected with an external linear driving module, the lifting piece is fixed to the synchronous frame, the extrusion piece is driven by the lifting piece in a servo mode, and the lifting piece comprises a guide rail with the height direction of the synchronous frame as the track direction and a sliding block which is driven in a servo mode and connected to the guide rail in a sliding mode. The extrusion part is fixedly connected with the sliding block and comprises a servo air cylinder, an elastic reset part and a blow molding exhaust pipe, the servo air cylinder is used for driving the blow molding exhaust pipe to move up and down along the guide rail track and reset through the elastic reset part, and the top of the blow molding exhaust pipe is communicated with external compression air pump equipment. And an outlet at the other end corresponds to an external mold core mold.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum injection molding, in particular to a hollow blow molding device for polyurethane rubber and plastic. Background Art

[0002] Blow molding is one of the important methods in rubber and plastic molding. The process is to clamp the molten thermoplastic raw material extruded from the extruder into the mold, and then blow air into the raw material. The molten raw material expands under the action of air pressure and adheres to the wall of the mold cavity. Finally, it cools and solidifies into the desired product shape. Blow molding is divided into film blow molding and hollow blow molding. Hollow blow molding is a secondary molding technology that uses gas pressure to blow the rubber-like parison closed in the mold cavity into a hollow product. It is a method of producing hollow plastic products.

[0003] The existing blow molding equipment has an air intake method of vertical downward blowing at a fixed position. However, in the actual production of plastic parts, the depth of the plastic parts and the position of the plastic part mold vary. If a one-to-one method is used between the mold and the blow molding structure, the production cost will obviously be greatly increased. Therefore, we propose a hollow blow molding equipment for polyurethane rubber and plastic to solve the above problems. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the defects of the prior art. The utility model provides a hollow blow molding device for polyurethane rubber and plastic which can adjust the blow molding position and the blow molding air intake depth.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is: a hollow blow molding equipment for polyurethane rubber and plastic, comprising: a synchronization frame for connecting an external linear drive module, a lifting member fixed on the synchronization frame, and an extrusion member servo-driven by the lifting member, the lifting member comprising a guide rail with the height direction of the synchronization frame as the track direction and a slider servo-driven and slidably connected to the guide rail, the extrusion member is fixedly connected to the slider, and it comprises a servo cylinder, an elastic reset part and a blow molding exhaust pipe, the servo cylinder is used to drive the blow molding exhaust pipe to move up and down along the guide rail and reset it through the elastic reset part, the top of the blow molding exhaust pipe is connected to an external compressed air pump device, and the other end outlet corresponds to the external mold core mold.

[0006] Furthermore, the synchronization frame is a vertical arched structure, through grooves are symmetrically opened on both sides thereof and positioning holes are preset at the bottom of the through grooves, and the positioning holes correspond to the external linear modules.

[0007] Furthermore, the lifting component also includes a servo motor, a screw rod, a motor support frame and a rotating table. The top end of the guide rail is vertically fixed to the rotating table, and the bottom end thereof is vertically fixed to the motor support frame. The servo motor is fixed to the motor support frame by screws and the output end is arranged through the motor support frame. One end of the screw rod is rotatably connected to the rotating table, and the other end is coaxially fixed to the output end of the servo motor through a coupling. The center of the slider is threadedly matched with the screw rod.

[0008] Furthermore, the extrusion component also includes a support plate, a sliding plate, a cylinder fixing platform and an air pipe fixing platform. The support plate is vertically fixed on the sliding block, the sliding plate is mounted on both sides of the support plate, the cylinder fixing platform is vertically fixed to the top of the support plate, the servo cylinder is invertedly fixed to the cylinder fixing platform and connected to the elastic reset part, the support plate is also fixed with a slide groove at the center of the corresponding sliding plate, the sliding plate is slidably connected to the slide groove, the air pipe fixing platform is fixed with bolts on the outer side of the sliding plate, the bottom surface of the air pipe fixing platform is connected and fixed to the blow molding exhaust pipe, and its top surface is linked to the elastic reset part.

[0009] Furthermore, the elastic reset part includes a connecting platform, an angle block, a spring and a push rod, one end of the angle block is connected and fixed to the support plate through the connecting platform, and the other end is provided with a hole groove, the top end of the push rod is connected and fixed to the output end of the servo cylinder, and the bottom end thereof passes through the hole groove and is connected and fixed to the air pipe fixing platform, the spring is covered on the axial section of the push rod located at the top of the hole groove, one end of the spring is connected and fixed to the top surface of the angle block, and the other end is connected and fixed to the top of the push rod.

[0010] Furthermore, the height corresponding to the maximum compression amount of the spring is smaller than the height of the slide groove.

[0011] Furthermore, air nozzles communicating with the interior are fixed to the upper and lower ends of the blow molding exhaust pipe respectively, and the air nozzles are sealed by a solenoid valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The disclosure of the present invention is described with reference to the accompanying drawings. It should be understood that the accompanying drawings are only for illustrative purposes and are not intended to limit the scope of protection of the present invention. In the accompanying drawings, the same reference numerals are used to refer to the same components.

[0013] Figure 1 The schematic diagram shows the structure of a hollow blow molding device for polyurethane rubber and plastic according to one embodiment of the utility model;

[0014] Figure 2 for Figure 1 A side view of a hollow blow molding device for polyurethane rubber and plastic is shown;

[0015] Figure 3 for Figure 1 Enlarged view of the circled part.

[0016] Numbers in the figure: 1. synchronization frame; 101. through slot; 102. positioning hole; 2. lifting member; 201. guide rail; 202. slider; 203. servo motor; 204. screw rod; 205. motor support frame; 206. rotating table; 207. coupling; 3. extrusion member; 301. servo cylinder; 302. elastic reset part; 3021. connecting table; 3022. corner block; 3023. spring; 3024. push rod; 3025. hole slot; 303. support plate; 304. sliding plate; 305. cylinder fixing table; 306. air pipe fixing table; 307. slide slot; 308. blow molding exhaust pipe; 3081. air nozzle; 3082. solenoid valve. DETAILED DESCRIPTION

[0017] It is easy to understand that according to the technical solution of the utility model, without changing the essential spirit of the utility model, a person skilled in the art can propose a variety of interchangeable structural modes and implementation modes. Therefore, the following specific implementation modes and drawings are only exemplary descriptions of the technical solution of the utility model, and should not be regarded as the entirety of the utility model or as a limitation or restriction to the technical solution of the utility model.

[0018] According to one embodiment of the present invention, Figure 1-Figure 3 Shown.

[0019] like Figure 1 As shown, for the overall structure, a hollow blow molding equipment for polyurethane rubber and plastic includes: a synchronization frame for connecting an external linear drive module, a lifting member fixed on the synchronization frame, and an extrusion member servo-driven by the lifting member, the lifting member includes a guide rail with the height direction of the synchronization frame as the track direction and a slider servo-driven and slidably connected to the guide rail, the extrusion member is fixedly connected to the slider, and it includes a servo cylinder, an elastic reset part and a blow molding exhaust pipe, the servo cylinder is used to drive the blow molding exhaust pipe to move up and down along the guide rail and reset it through the elastic reset part, the top of the blow molding exhaust pipe is connected to an external compressed air pump device, and the other end outlet corresponds to the external mold core mold.

[0020] Furthermore, the synchronization frame is a vertical arched structure, through grooves are symmetrically opened on both sides thereof and positioning holes are preset at the bottom of the through grooves, and the positioning holes correspond to the external linear modules.

[0021] Furthermore, the lifting component also includes a servo motor, a screw rod, a motor support frame and a rotating table. The top end of the guide rail is vertically fixed to the rotating table, and the bottom end thereof is vertically fixed to the motor support frame. The servo motor is fixed to the motor support frame by screws and the output end is arranged through the motor support frame. One end of the screw rod is rotatably connected to the rotating table, and the other end is coaxially fixed to the output end of the servo motor through a coupling. The center of the slider is threadedly matched with the screw rod.

[0022] Furthermore, the extrusion component also includes a support plate, a sliding plate, a cylinder fixing platform and an air pipe fixing platform. The support plate is vertically fixed on the sliding block, the sliding plate is mounted on both sides of the support plate, the cylinder fixing platform is vertically fixed to the top of the support plate, the servo cylinder is invertedly fixed to the cylinder fixing platform and connected to the elastic reset part, the support plate is also fixed with a slide groove at the center of the corresponding sliding plate, the sliding plate is slidably connected to the slide groove, the air pipe fixing platform is fixed with bolts on the outer side of the sliding plate, the bottom surface of the air pipe fixing platform is connected and fixed to the blow molding exhaust pipe, and its top surface is linked to the elastic reset part.

[0023] Furthermore, the elastic reset part includes a connecting platform, an angle block, a spring and a push rod, one end of the angle block is connected and fixed to the support plate through the connecting platform, and the other end is provided with a hole groove, the top end of the push rod is connected and fixed to the output end of the servo cylinder, and the bottom end thereof passes through the hole groove and is connected and fixed to the air pipe fixing platform, the spring is covered on the axial section of the push rod located at the top of the hole groove, one end of the spring is connected and fixed to the top surface of the angle block, and the other end is connected and fixed to the top of the push rod.

[0024] Furthermore, the height corresponding to the maximum compression amount of the spring is smaller than the height of the slide groove.

[0025] Furthermore, air nozzles communicating with the interior are fixed to the upper and lower ends of the blow molding exhaust pipe respectively, and the air nozzles are sealed by a solenoid valve.

[0026] The technical scope of the present invention is not limited to the contents described above. Those skilled in the art can make various deformations and modifications to the above embodiments without departing from the technical concept of the present invention, and these deformations and modifications should all fall within the protection scope of the present invention.

Claims

1. A hollow blow molding device for polyurethane rubber and plastic, characterized in that: include: A synchronization frame for connecting an external linear drive module, a lifting member fixed on the synchronization frame, and an extrusion member servo-driven by the lifting member, the lifting member includes a guide rail with the height direction of the synchronization frame as the track direction and a slider servo-driven and slidably connected to the guide rail, the extrusion member is fixedly connected to the slider, and includes a servo cylinder, an elastic reset part and a blow molding exhaust pipe, the servo cylinder is used to drive the blow molding exhaust pipe to move up and down along the guide rail and reset through the elastic reset part, the top of the blow molding exhaust pipe is connected to an external compressed air pump device, and the other end outlet corresponds to the external mold core mold.

2. The hollow blow molding equipment for polyurethane rubber and plastic according to claim 1, characterized in that: The synchronization frame is a vertical arched structure, through slots are symmetrically provided on both sides thereof and positioning holes are preset at the bottom of the through slots, and the positioning holes correspond to the external linear modules.

3. The hollow blow molding equipment for polyurethane rubber and plastic according to claim 1, characterized in that: The lifting component also includes a servo motor, a screw rod, a motor support frame and a rotating table. The top end of the guide rail is vertically fixed to the rotating table, and the bottom end of the guide rail is vertically fixed to the motor support frame. The servo motor is fixed to the motor support frame with screws and the output end is arranged through the motor support frame. One end of the screw rod is rotatably connected to the rotating table, and the other end is coaxially fixed to the output end of the servo motor through a coupling. The center of the slider is threaded with the screw rod.

4. The hollow blow molding equipment for polyurethane rubber and plastic according to claim 1, characterized in that: The extruded part also includes a support plate, a sliding plate, a cylinder fixing platform and an air pipe fixing platform. The support plate is vertically fixed on the sliding block, the sliding plate is mounted on both sides of the support plate, the cylinder fixing platform is vertically fixed to the top of the support plate, the servo cylinder is invertedly fixed to the cylinder fixing platform and is connected to the elastic reset part, the support plate is also fixed with a slide groove at the center of the corresponding sliding plate, the sliding plate is slidably connected to the slide groove, the air pipe fixing platform is fixed with bolts on the outer side of the sliding plate, the bottom surface of the air pipe fixing platform is connected and fixed to the blow molding exhaust pipe, and its top surface is linked to the elastic reset part.

5. The hollow blow molding equipment for polyurethane rubber and plastic according to claim 4, characterized in that: The elastic reset part includes a connecting platform, an angle block, a spring and a push rod, one end of the angle block is connected and fixed to the support plate through the connecting platform, and the other end is provided with a hole groove, the top end of the push rod is connected and fixed to the output end of the servo cylinder, and the bottom end thereof passes through the hole groove and is connected and fixed to the air pipe fixing platform, the spring is covered on the shaft section of the push rod located at the top of the hole groove, one end of the spring is connected and fixed to the top surface of the angle block, and the other end is connected and fixed to the top of the push rod.

6. The hollow blow molding equipment for polyurethane rubber and plastic according to claim 5, characterized in that: The height corresponding to the maximum compression amount of the spring is smaller than the height of the slide groove.

7. The hollow blow molding equipment for polyurethane rubber and plastic according to claim 1, characterized in that: The upper and lower ends of the blow molding exhaust pipe are respectively fixed with air nozzles connected to the interior, and the air nozzles are sealed by a solenoid valve.

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