CN216544536U

CN216544536U - Thermosetting plastic forming die convenient to move up and down

Info

Publication number: CN216544536U
Application number: CN202122498314.7U
Authority: CN
Inventors: 陈春华
Original assignee: Hangzhou Weituo Precision Technology Co ltd
Current assignee: Hangzhou Weituo Precision Technology Co ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-05-17
Anticipated expiration: 2031-10-18

Abstract

The utility model discloses a thermosetting plastic forming die convenient to move up and down, which relates to the technical field of plastic dies and comprises a fixed die base, a movable die base, a hydraulic cylinder and a forming cavity, wherein the movable die base is movably connected with a movable base, a screw rod penetrating through the movable base is arranged in the movable die base, a plurality of groups of first ejector rods are uniformly arranged at the top of the movable base, a second ejector rod is arranged in the middle of the top of the movable base, a motor is arranged at one end of the movable die base, and a gear set is arranged at the output end of the motor. When the device is used, the motor is used for driving the gear set and the screw rod to rotate, and finally the moving seat is driven to move, so that the first ejector rod and the second ejector rod are converted from passive movement into active movement during demolding, the cohesion among the first ejector rod, the second ejector rod and the forming mold is greatly improved, the breaking force is further greatly improved, the demolding effect is further prevented from being influenced, and the overall working efficiency of the device is greatly improved.

Description

Thermosetting plastic forming die convenient to move up and down

Technical Field

The utility model relates to the technical field of plastic molds, in particular to a thermosetting plastic molding mold convenient to move up and down.

Background

The plastic mould is a tool which is matched with a plastic forming machine in the plastic processing industry and gives complete configuration and accurate size to plastic products, the selection of plastic forming is mainly determined by the type (thermoplastic or thermosetting) of plastic, the initial form and the appearance and size of the products, the types of plastic processing moulds corresponding to different process requirements can be divided according to different forming methods, and the plastic processing moulds mainly comprise injection forming moulds, extrusion forming moulds, plastic suction forming moulds, high foaming polystyrene forming moulds and the like.

Present plastic forming die is when the die sinking, and the model liftout rod is ejecting with the forming die, and this in-process liftout rod is easy and forming die adhesion, and the model liftout rod is mutually supported through the multiunit spring when reseing mostly, accomplishes and resets, owing to utilize the elasticity of spring to move for the reset moves as going on passively, and then is unfavorable for the separation of model liftout rod and forming die, has reduceed holistic work efficiency greatly.

SUMMERY OF THE UTILITY MODEL

Based on the above, the utility model aims to provide a thermosetting plastic forming die convenient for up-and-down movement, so as to solve the technical problems that in the prior art, the reset movement is performed passively due to the fact that the reset movement is performed by utilizing the elasticity of a spring, so that the separation of a model ejector rod and the forming die is not facilitated, and the overall working efficiency is greatly reduced.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a thermosetting plastic forming die convenient to activity from top to bottom, includes the cover half, moves die holder, pneumatic cylinder and shaping chamber, the inside swing joint that moves the die holder has the removal seat, the inside that moves the die holder is provided with the screw rod that runs through the removal seat, the top of removing the seat evenly is provided with the first ejector pin of multiunit, department is provided with the second ejector pin in the middle of the top of removing the seat, move the one end of die holder and install the motor, and the output of motor is provided with the gear train, and the motor passes through gear train and screw rod interconnect.

Through adopting above-mentioned technical scheme, utilize the motor to drive gear train and screw rod and rotate, drive at last and remove the seat and remove to when the drawing of patterns, first ejector pin and second ejector pin are all changed into initiative removal by passive removal, and then have improved adhesion between first ejector pin, second ejector pin and the forming die greatly and have made the power of struggling, and then avoid its influence drawing of patterns effect, thereby improve equipment's whole work efficiency greatly.

The utility model is further provided that a molding cavity is matched between the fixed die holder and the movable die holder, and one end of the movable die holder is connected with the hydraulic cylinder.

By adopting the technical scheme, the integrity of the equipment is convenient to ensure, and the work is convenient.

The utility model is further arranged in such a way that a runner mechanism matched with the forming cavity is arranged in the movable die holder, one end of the movable die holder is provided with a positioning plate matched with the runner mechanism, and one end of the positioning plate is matched with a connecting plate matched with the extruding mechanism.

Through adopting above-mentioned technical scheme, utilize the effect of runner mechanism, be convenient for to the flow and the transportation of extruding the material, and utilize the effect of locating plate and connecting plate, be convenient for fix a position in the connection to equipment.

The utility model is further arranged in such a way that a guide rod is movably connected with the movable base in the movable base, and springs are arranged on the outer sides of the first ejector rods.

Through adopting above-mentioned technical scheme, utilize the effect of guide bar, be convenient for carry on spacingly and the direction to removing the seat, and utilize the effect of spring, be convenient for play the buffering effect to removing the seat.

In summary, the utility model mainly has the following beneficial effects: when the device is used, the motor is utilized to drive the gear set and the screw rod to rotate, and finally the moving seat is driven to move, so that the first ejector rod and the second ejector rod are converted from passive movement into active movement during demolding, the adhesion among the first ejector rod, the second ejector rod and the forming die is greatly improved, the struggle force is greatly improved, the demolding effect is further prevented from being influenced, and the overall working efficiency of the device is greatly improved.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic view of the external structure of the present invention;

fig. 3 is a schematic view of another structure according to the present invention.

In the figure: 1. fixing a die holder; 2. a movable die holder; 3. a hydraulic cylinder; 4. a molding cavity; 5. a movable seat; 6. a guide bar; 7. a first ejector rod; 8. a second ejector rod; 9. a motor; 10. a gear set; 11. a screw; 12. a flow channel mechanism; 13. positioning a plate; 14. a connecting plate; 15. a spring.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present invention.

The following describes an embodiment of the present invention based on its overall structure.

A thermosetting plastic forming die convenient for up-and-down movement is disclosed, as shown in figure 1-3, comprising a fixed die base 1, a movable die base 2, a hydraulic cylinder 3 and a forming cavity 4, the forming cavity 4 is matched between the fixed die base 1 and the movable die base 2, one end of the movable die base 2 is connected with the hydraulic cylinder 3, so as to ensure the integrity of the device and facilitate the work, the movable die base 2 is movably connected with a movable base 5, a screw 11 penetrating through the movable base 5 is arranged inside the movable die base 2, a plurality of groups of first ejector rods 7 are uniformly arranged on the top of the movable base 5, a second ejector rod 8 is arranged in the middle of the top of the movable base 5, when in the process of demoulding, the first ejector rod 7 and the second ejector rod 8 are all changed from passive movement to active movement, thereby greatly improving the adhesion between the first ejector rod 7, the second ejector rod 8 and the forming die to make the break-open force, further avoiding the influence on the demoulding effect, thereby greatly improving the whole work efficiency of the device, because the motor 9 is installed at one end of the movable mold base 2, the output end of the motor 9 is provided with the gear set 10, the motor 9 is connected with the screw rod 11 through the gear set 10, the motor 9 drives the gear set 10 and the screw rod 11 to rotate, and finally the movable mold base 5 is driven to move.

Referring to fig. 1, a flow channel mechanism 12 matched with the molding cavity 4 is arranged inside the movable mold base 2, the flow and transportation of the extrusion material are facilitated by the action of the flow channel mechanism 12, a positioning plate 13 matched with the flow channel mechanism 12 is arranged at one end of the movable mold base 2, a connecting plate 14 matched with the extrusion mechanism is matched with one end of the positioning plate 13, and the positioning and connection of the equipment are facilitated by the action of the positioning plate 13 and the connecting plate 14.

Referring to fig. 1, a guide rod 6 is movably connected to the movable mold base 2 and the movable mold base 5, so that the movable mold base 5 is limited and guided by the guide rod 6, and the springs 15 are disposed outside the first push rods 7, so that the movable mold base 5 is buffered by the springs 15.

The working principle of the utility model is as follows: when the die is used, the movable die holder 2 is convenient to move under the action of the hydraulic cylinder 3, so that the die is convenient to open, the fixed die holder 1 is convenient to be connected with the material extruding mechanism under the action of the positioning plate 13 and the connecting plate 14, finally, the material enters the forming cavity 4 along the runner mechanism 12 until forming, and finally, the fixed die holder 1 and the movable die holder 2 are opened under the action of the hydraulic cylinder 3, and then, the die is released;

when demoulding, after the movable die holder 2 is completely separated from the fixed die holder 1, the forming die is adhered to the movable die holder 2, finally, the motor 9 is started to drive the gear set 10 and the screw rod 11 to rotate, finally, the movable base 5 is driven to move towards one side, so that the forming die is separated from the fixed die holder 1, the process and the mould opening are synchronously performed, then, seven motors 9 are used for reversing the forming die, the first ejector rod 7 and the second ejector rod 8 are withdrawn, the forming die is separated from the forming die and falls off, finally, the die assembly is performed, the task is completed, and during demoulding, the first ejector rod 7 and the second ejector rod 8 are all changed from passive movement into active movement, so that the adhesion between the first ejector rod 7 and the second ejector rod 8 and the forming die is greatly improved, the breaking force is made to break, the influence on the demoulding effect is avoided, and the whole working efficiency of the equipment is greatly improved.

Although embodiments of the present invention have been shown and described, the present embodiments are merely illustrative of the present invention and are not intended to limit the present invention, and the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and those skilled in the art can make modifications, substitutions, variations, etc. of the embodiments as required without departing from the principle and spirit of the present invention, but within the scope of the claims of the present invention.

Claims

1. The utility model provides a thermosetting plastic forming die convenient to activity from top to bottom, includes die holder (1), movable die holder (2), pneumatic cylinder (3) and shaping chamber (4), its characterized in that: move the inside swing joint of die holder (2) and have removal seat (5), the inside of moving die holder (2) is provided with screw rod (11) that runs through removal seat (5), the top of removing seat (5) evenly is provided with multiunit first ejector pin (7), the department is provided with second ejector pin (8) in the middle of the top of removing seat (5), move the one end of die holder (2) and install motor (9), and the output of motor (9) is provided with gear train (10), and motor (9) pass through gear train (10) and screw rod (11) interconnect.

2. The thermosetting plastic molding die convenient to move up and down as claimed in claim 1, wherein: and a molding cavity (4) is matched between the fixed die holder (1) and the movable die holder (2), and one end of the movable die holder (2) is connected with the hydraulic cylinder (3).

3. The thermosetting plastic molding die convenient to move up and down as claimed in claim 1, wherein: the die comprises a die holder (2) and is characterized in that a runner mechanism (12) matched with a forming cavity (4) is arranged inside the die holder (2), a positioning plate (13) matched with the runner mechanism (12) is arranged at one end of the die holder (2), and a connecting plate (14) matched with an extruding mechanism is arranged at one end of the positioning plate (13).

4. The thermosetting plastic molding die convenient to move up and down as claimed in claim 1, wherein: the inside of the movable die holder (2) is provided with a guide rod (6) movably connected with the movable die holder (5), and the outer side of the first ejector rod (7) is provided with a spring (15).