CN216100220U - Forming die of plastic product - Google Patents

Abstract

The utility model relates to the technical field of plastic molds, in particular to a forming mold of a plastic product, which comprises a working box and supporting legs fixed at four corners of the bottom of the working box, wherein a beating component and a lower mold for beating the molds to facilitate demolding and a demolding component for demolding are respectively arranged at the top of the working box from left to right, the top of the lower mold is butted with an upper mold, an injection molding pipe is fixed at the top of the upper mold, a servo motor is fixed in the working box, a rotating rod is rotatably arranged at the output end of the servo motor, a rotating shaft penetrating through the top of the working box is further rotatably arranged in the working box, belt wheels are sleeved on the outer circular surfaces of the rotating shaft and the rotating rod, the two belt wheels are in transmission connection through a belt, and a cam is rotated at the top end of the rotating shaft. The problem of current forming die structure singleness, thereby be difficult to the drawing of patterns after the moulding reduce plastic products's success rate is solved.

Description

Forming die of plastic product

Technical Field

The utility model relates to the technical field of plastic molds, in particular to a forming mold of a plastic product.

Background

The plastic mould is a tool which is matched with a plastic forming machine in the plastic processing industry and gives a complete configuration and an accurate size to a plastic product, and because the plastic mould has various types and processing methods and the plastic forming machine and the plastic product have various and simple structures, the types and the structures of the plastic mould are also various, while the existing forming mould has a single structure and is difficult to demould after moulding, thereby reducing the success rate of the plastic product.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a plastic product forming mold, which solves the problems that the existing forming mold is single in structure and is difficult to demold after molding, so that the success rate of the plastic product is reduced.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a forming die for plastic products comprises a working box and supporting legs fixed at four corners of the bottom of the working box, wherein a beating component and a lower die for beating the die to facilitate demoulding and a demoulding component for demoulding are respectively arranged at the top of the working box from left to right, an upper die is butted at the top of the lower die, and an injection molding pipe is fixed at the top of the upper die;

a servo motor is fixed inside the working box, the output end of the servo motor is rotatably provided with a rotating rod, a rotating shaft penetrating through the top of the working box is also rotatably arranged inside the working box, belt wheels are sleeved on the outer circular surfaces of the rotating shaft and the rotating rod, the two belt wheels are in transmission connection through a belt, and a cam is rotated at the top end of the rotating shaft;

drawing of patterns subassembly is including fixing the lifting box at the work box top and having the inner chamber, the lead screw is installed in the inner chamber rotation of lifting box, the bottom of lead screw runs through the bottom of lifting box and extends to the one end of work box inside with the bull stick and be connected, and the thread face threaded connection of lead screw has the lift seat, the front end of lift seat runs through the left side wall of lifting box and is fixed with the connecting rod, the one end that the connecting rod deviates from the lift seat is fixed with the annular piece, and the annular piece is fixed on the outer disc of the pipe of moulding plastics, break away from as last mould.

Preferably, the beating component comprises a vertical plate fixedly installed at the top of the working box, the right side of the vertical plate is in an open shape, a cross rod is installed on the left side wall of the vertical plate in a penetrating mode, a circular plate is fixedly installed at the front end of the cross rod, a beating plate which is consistent with the radian of the outer circular surface of the lower die is fixed at the tail end of the cross rod, and a compression spring is sleeved on the outer circular surface of the cross rod between the beating plate and the vertical plate and used as ejection of the beating plate.

Preferably, the injection molding pipe is communicated with the upper die, and a plurality of liquid separating rods are distributed between the pipe walls of the injection molding pipe to reduce the impact of thermoplastic during injection molding and prevent bubbles.

Preferably, the bottom edge of the upper die is provided with a circle of convex edge, and the specification and the size of the convex edge are matched with the inner diameter of the lower die so as to ensure the closed connection of the upper die and the lower die.

Preferably, the cam cooperates with the circular plate to achieve the reciprocating flapping of the flapping plate.

Preferably, the left side wall of the lifting box is provided with a rectangular through hole communicated with the inner cavity of the lifting box so as to reduce the lifting range of the lifting seat, and the lifting lowest point of the lifting seat is consistent with the closing point of the closed connection of the upper die and the lower die.

(III) advantageous effects

Compared with the prior art, the utility model provides a forming die for plastic products, which has the following beneficial effects:

1. through the drawing of patterns subassembly that sets up and the subassembly of patting, when carrying out the drawing of patterns of mould and bed die, utilize servo motor's drive, the rotation of lead screw has been realized, the lifting operation of loop forming element has further been driven, so as to carry out the drawing of patterns operation between the mould, and simultaneously, during the servo motor drive, through the band pulley transmission between bull stick and the pivot, thereby the rotation of cam has been realized, the cam carries out around the motion, when the protruding end contact one side of circular slab of cam, carry out the drawing of patting the board, compression spring receives the tensile effect of patting the board, produce deformation, when the circular slab is kept away from to the protruding end of cam, compression spring kick-backs, thereby reach the resilience of patting the board, use this as a circulation, when carrying out the mould drawing of patterns, place plastics adhesion mould inner wall, thereby the drawing of patterns is convenient, the success rate of the improvement drawing of patterns.

2. Through the branch liquid pole that sets up on the pipe of moulding plastics, when carrying out moulding plastics of thermoplastic, the thermoplastic is through dividing the liquid pole to alleviate the impact that the thermoplastic brought, in order to prevent that the bubble from appearing during moulding plastics, guarantee its tamp degree when moulding plastics, in order to guarantee the success rate of plastic products's preparation.

3. Through being single driving source by servo motor, realized going up the drawing of patterns operation between mould and the bed die, make simultaneously again the clapper board come and go to pat, guarantee the success rate of its drawing of patterns, the cost is with low costs, further improvement the practicality of device.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a partial internal block diagram of the present invention;

FIG. 3 is a block diagram of a stripper assembly of the present invention;

FIG. 4 is a structural view of the flapping assembly of the present invention;

fig. 5 is a separated structural view of an upper mold and a lower mold according to the present invention.

In the figure: 1. a work box; 2. a lower die; 3. an upper die; 4. injection molding a tube; 5. a liquid separating rod; 6. a rotating shaft; 7. a cam; 8. a flapping component; 801. a vertical plate; 802. a cross bar; 803. a circular plate; 804. a compression spring; 805. beating a plate; 9. a demolding component; 901. a lifting box; 902. a screw rod; 903. a lifting seat; 904. a connecting rod; 905. an annular member; 10. a pulley; 11. a servo motor; 12. a rotating rod; 13. and (4) a convex edge.

Detailed Description

Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

Fig. 1-5 show an embodiment of the present invention, a plastic product forming mold, comprising a work box 1 and support legs fixed at four corners of the bottom of the work box 1, the top of the work box 1 is provided with a flapping component 8 for flapping the mold to facilitate demolding, a lower mold 2 and a demolding component 9 for demolding from left to right, respectively, the top of the lower mold 2 is connected to an upper mold 3, the top of the upper mold 3 is fixed with an injection molding pipe 4, the inside of the work box 1 is fixed with a servo motor 11, the output end of the servo motor 11 is rotatably provided with a rotating rod 12, the inside of the work box 1 is further rotatably provided with a rotating shaft 6 penetrating the top of the work box 1, the outer circular surfaces of the rotating shaft 6 and the rotating rod 12 are both sleeved with belt wheels 10, the two belt wheels 10 are in transmission connection through a belt, the top end of the rotating shaft 6 is rotatably provided with a cam 7, the bottom of the upper mold 3 is provided with a circle of convex edge 13 along the mouth edge, the specification and size of the convex edge 13 are matched with the inner diameter of the lower die 2, so that the closed connection of the upper die 3 and the lower die 2 is ensured, and the injection molding sealing effect is ensured.

Specifically, the demolding assembly 9 includes a lifting box 901 fixed on the top of the working box 1 and having an inner cavity, the inner cavity of the lifting box 901 is rotatably provided with a lead screw 902, the bottom end of the lead screw 902 penetrates through the bottom of the lifting box 901 and extends into the working box 1 to be connected with one end of the rotating rod 12, a threaded surface of the lead screw 902 is in threaded connection with a lifting seat 903, the front end of the lifting seat 903 penetrates through the left side wall of the lifting box 901 and is fixed with a connecting rod 904, one end of the connecting rod 904, which is away from the lifting seat 903, is fixed with a ring 905, the ring 905 is fixed on the outer circumferential surface of the injection molding pipe 4 and is used for separation of the upper mold 3, a rectangular through hole is formed in the left side wall of the lifting box 901 to be communicated with the inner cavity of the lifting box 901 so as to reduce the lifting range of the lifting seat 903, and the lowest point of the lifting seat 903 is consistent with the closed connection point of the upper mold 3 and the lower mold 2.

Specifically, the flapping assembly 8 comprises a vertical plate 801 fixedly installed at the top of the work box 1, the right side of the vertical plate 801 is open, a cross rod 802 penetrates through the left side wall of the vertical plate 801, a circular plate 803 is fixedly installed at the front end of the cross rod 802, a flapping plate 805 with the radian consistent with that of the outer circular surface of the lower die 2 is fixed at the tail end of the cross rod 802, a compression spring 804 is sleeved on the outer circular surface of the cross rod 802 between the flapping plate 805 and the vertical plate 801 and used for ejecting the flapping plate 805, and the cam 7 and the circular plate 803 are matched for use to realize the back-and-forth flapping of the flapping plate 805.

Specifically, in the working process of the present embodiment, when the upper mold 3 and the lower mold 2 are demolded, the rotation of the rotating rod 12 and the rotation of the screw rod 902 are realized by the driving of the servo motor 11, so as to achieve the lifting of the lifting seat 903, the lifting seat 903 further drives the lifting operation of the ring member 905 through the connecting rod 904, so as to perform the demolding operation between the molds, meanwhile, during the driving of the servo motor 11, the rotation of the cam 7 is realized by the transmission of the belt pulley 10 between the rotating rod 12 and the rotating shaft 6, the cam 7 performs the circumferential motion, when the protruding end of the cam 7 contacts one side of the circular plate 803, the stretching of the clapper 805 is performed, the compression spring 804 is stretched by the clapper 805 to generate deformation, when the protruding end of the cam 7 is far away from the circular plate 803, the compression spring 804 rebounds, therefore, resilience of the beating plate 805 is achieved, so that a cycle is adopted, and when the mould is demoulded, plastic is placed to adhere to the inner wall of the mould, so that demoulding is facilitated, and the success rate of demoulding is improved.

Specifically, mould plastics pipe 4 and last mould 3 intercommunication, and it has a plurality of branch liquid pole 5 to mould plastics and distribute between the pipe wall of pipe 4, when moulding plastics of carrying out the thermoplastic, the thermoplastic is through dividing liquid pole 5 to alleviate the impact that the thermoplastic brought, in order to prevent to appear the bubble during moulding plastics, guarantee its degree of compaction when moulding plastics, in order to guarantee the success rate of plastic products's preparation.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a forming die of plastic products, includes work box (1) and fixes the stabilizer blade in four corners in work box (1) bottom, its characterized in that: the top of the working box (1) is respectively provided with a beating component (8) for beating the die from left to right so as to facilitate demoulding, a lower die (2) and a demoulding component (9) for demoulding, the top of the lower die (2) is butted with an upper die (3), and the top of the upper die (3) is fixed with an injection molding pipe (4);

a servo motor (11) is fixed inside the working box (1), the output end of the servo motor (11) is rotatably provided with a rotating rod (12), a rotating shaft (6) penetrating through the top of the working box (1) is further rotatably arranged inside the working box (1), belt wheels (10) are sleeved on the outer circular surfaces of the rotating shaft (6) and the rotating rod (12), the two belt wheels (10) are in transmission connection through a belt, and a cam (7) is rotated at the top end of the rotating shaft (6);

drawing of patterns subassembly (9) is including fixing lifting box (901) at work box (1) top and having the inner chamber, lead screw (902) are installed in the inner chamber rotation of lifting box (901), the bottom of lead screw (902) runs through the bottom of lifting box (901) and extends to the inside one end with bull stick (12) of work box (1) and is connected, and the helicoid threaded connection of lead screw (902) has lift seat (903), the front end of lift seat (903) runs through the left side wall of lifting box (901) and is fixed with connecting rod (904), the one end that deviates from lift seat (903) in connecting rod (904) is fixed with loop element (905), and loop element (905) are fixed on the outer disc of injection molding pipe (4), be used as breaking away from of last mould (3).

2. A plastic article molding apparatus as claimed in claim 1, wherein: flapping subassembly (8) is including riser (801) of fixed mounting at work box (1) top, the right side of riser (801) presents the opening form, and the left side wall of riser (801) runs through and installs horizontal pole (802), the front end fixed mounting of horizontal pole (802) has circular slab (803), and the end of horizontal pole (802) is fixed with clappers (805) unanimous with lower mould (2) excircle face radian, clappers (805) and horizontal pole (802) excircle face between riser (801) cup joint compression spring (804) and are used as the ejection of clappers (805).

3. A plastic article molding apparatus as claimed in claim 1, wherein: the injection molding pipe (4) is communicated with the upper die (3), and a plurality of liquid separating rods (5) are distributed between the pipe walls of the injection molding pipe (4) so as to reduce the impact of thermoplastic rubber during injection molding and prevent the generation of bubbles.

4. A plastic article molding apparatus as claimed in claim 1, wherein: the bottom of the upper die (3) is provided with a circle of convex edge (13) along the edge of the opening, and the specification and the size of the convex edge (13) are matched with the inner diameter of the lower die (2) so as to ensure the closed connection of the upper die (3) and the lower die (2).

5. A plastic article molding apparatus as claimed in claim 2, wherein: the cam (7) is used in cooperation with the circular plate (803) to achieve the reciprocating flapping of the flapping plate (805).

6. A plastic article molding apparatus as claimed in claim 1, wherein: the left side wall of the lifting box (901) is provided with a rectangular through hole communicated with the inner cavity of the lifting box (901) so as to reduce the lifting range of the lifting seat (903), and the lowest point of lifting of the lifting seat (903) is consistent with the closing point of the closed connection of the upper die (3) and the lower die (2).

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