CN220146591U - Positioning high-precision injection molding mold - Google Patents

Abstract

The utility model discloses a positioning high-precision injection molding die which comprises an upper die holder and a lower die holder, wherein a die core is arranged on the upper die holder, a die cavity is arranged on the lower die holder, a plurality of alignment rods are fixedly connected to the bottom of the upper die holder, alignment holes corresponding to the alignment rods are arranged on the lower die holder, a support frame is arranged below the lower die holder, a threaded rod is rotationally connected to the support frame, one end of the threaded rod penetrates through the support frame and is fixedly connected with a rotating block, a stop rod is slidably inserted into one end of the rotating block, a plurality of stop grooves corresponding to the stop rod are arranged on the support frame, two sliding blocks are sleeved on the side wall of the threaded rod, which is positioned in the support frame, of each sliding block, a push plate is rotationally connected to one end of each sliding block, a top plate is arranged at the bottom of each lower die holder, and grooves corresponding to the top plate are formed in the bottoms of the lower die holder.

Description

Positioning high-precision injection molding mold

Technical Field

The utility model relates to the field of related products of injection molds, in particular to a positioning high-precision injection molding mold.

Background

Injection molding is a method commonly used in plastic molding processing, and is suitable for plastics which can be repeatedly heated, melted, cooled and hardened in a specific temperature range, such as ABS, PP, PE, PC, PA, POM, and most parts of plastic products are manufactured by injection molding. The injection molding cycle is short, the quality of the molded product can be from a few grams to tens of kilograms, and the molded product with complex appearance, accurate size and metal or nonmetal inserts can be molded at one time.

After the injection molding mold performs injection molding on the internal injection molding material, a user is required to take out the internal injection molding material, but the existing injection mold does not have the function of ejecting the internal injection molding material, so that the user is required to manually take out the injection molding material, and the processing efficiency of the injection molding material by the injection molding mold is reduced.

Disclosure of Invention

The utility model aims to provide a positioning high-precision injection molding die for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a location high-precision injection moulding mould, includes upper die base and die holder, be equipped with the mold core on the upper die base, be equipped with the die cavity on the die holder, the bottom fixedly connected with of upper die base is a plurality of counterpoints the pole, be equipped with the counterpoint hole that corresponds with counterpoint pole on the die holder, the below of die holder is equipped with the support frame, the support frame internal rotation is connected with the threaded rod, the one end of threaded rod runs through support frame and fixedly connected with commentaries on classics piece, the one end slip of commentaries on classics piece is inserted and is equipped with the end position pole, be equipped with a plurality of end position grooves that correspond with the end position pole on the support frame, the threaded rod is located the lateral wall of support frame on the screw thread cup joint two sliders, two all rotate on the slider and be connected with the push pedal, the one end rotation of push pedal is connected with the roof, the die holder bottom is equipped with the fluting that corresponds with the roof.

Preferably, the stop rod is fixedly sleeved with a limit sleeve, and a spring is fixedly connected between the limit sleeve and the rotating block.

Preferably, the number of the plurality of alignment rods is four, and the alignment rods are respectively fixed at four corners of the bottom of the upper die holder.

Preferably, the outer side wall of the rotating block is provided with a plurality of anti-skid patterns which are obliquely arranged.

Preferably, the threads on both sides of the center point of the horizontal axial section of the threaded rod are oppositely arranged.

Preferably, the two sides of the support frame are fixed with the lower die holder through connecting blocks.

Compared with the prior art, the utility model has the beneficial effects that:

according to the positioning high-precision injection molding die, when the die is assembled, the alignment rod on the upper die holder is inserted into the alignment hole on the lower die holder to realize assembly positioning between the upper die holder and the lower die holder, the threaded rod is driven to rotate in the supporting frame by the rotary block, at the moment, the two sliding blocks in threaded sleeve connection with the threaded rod drive the push plate to move, the push plate pushes the top plate to move in the slot at the moment so as to eject the cooled injection molding part from the die cavity.

Drawings

FIG. 1 is a schematic diagram of a positioning high-precision injection molding die according to the present utility model;

FIG. 2 is an enlarged view of the A position of a positioning high-precision injection mold according to the present utility model;

FIG. 3 is a schematic view of a positioning hole of a positioning high-precision injection mold according to the present utility model.

In the figure: 1. an upper die holder; 2. a lower die holder; 3. a mold core; 4. a mold cavity; 5. an alignment rod; 6. an alignment hole; 7. a support frame; 8. a threaded rod; 9. a rotating block; 10. a stop rod; 11. a slide block; 12. a push plate; 13. a top plate; 14. a limit sleeve; 15. a spring; 16. and (5) connecting a block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, an embodiment of the present utility model is provided: the utility model provides a location high-precision injection moulding mould, including upper die base 1 and die holder 2, be equipped with mold core 3 on the upper die base 1, be equipped with die cavity 4 on the die holder 2, the bottom fixedly connected with of upper die base 1 has a plurality of counterpoints 5, be equipped with the counterpoint hole 6 that corresponds with counterpoint 5 on the die holder 2, the below of die holder 2 is equipped with support frame 7, the support frame 7 internal rotation is connected with threaded rod 8, the one end of threaded rod 8 runs through support frame 7 and fixedly connected with commentaries on classics piece 9, the one end slip of commentaries on classics piece 9 is inserted and is equipped with the thrust rod 10, be equipped with a plurality of stop slots that correspond with the thrust rod 10 on support frame 7, the threaded rod 8 is located the lateral wall of support frame 7, two sliders 11 have all rotated and are connected with push pedal 12 on two sliders 11, the one end rotation of push pedal 12 is connected with roof 13, the die holder 2 bottom is equipped with the fluting that corresponds with roof 13, concretely say, the counterpoint 5 will insert the counterpoint hole 6 on the die holder 2 this moment in realize the equipment location between upper die base 1 and the die holder 2, the accessible rotates the commentaries on a commentaries on classics piece 9 and drives 8 in support frame 7 internal rotation, the one end slip of commentaries on classics piece is inserted in the thread 8 and is driven the internal rotation of threaded rod 12 and is driven the internal cooling down from the push pedal 12 internal cooling down in the side of the screw thread 12 and then the die cavity 12 is driven internal cooling down in the die cavity 12.

In the embodiment, the stop rod 10 is fixedly sleeved with the limit sleeve 14, a spring 15 is fixedly connected between the limit sleeve 14 and the rotating block 9, and the stop rod 10 can be automatically rebounded into the stop groove by utilizing the resilience force of the spring 15; the number of the plurality of alignment rods 5 is four, and the alignment rods are respectively fixed at four corners of the bottom of the upper die holder 1; the outer side wall of the rotating block 9 is provided with a plurality of anti-skid patterns which are obliquely arranged, so that friction force is increased, and the rotating block is convenient to rotate; the opposite screw threads on the two sides of the center point of the horizontal axial section of the threaded rod 8 can promote the sliding blocks 11 to move relatively or reversely; the two sides of the supporting frame 7 are fixed with the lower die holder 2 through connecting blocks 16.

Working principle: firstly, an alignment rod 5 on an upper die holder 1 is inserted into an alignment hole 6 on a lower die holder 2 to realize assembly and positioning between the upper die holder 1 and the lower die holder 2, a rotary block 9 is rotated to drive a threaded rod 8 to rotate in a supporting frame 7, at the moment, two sliding blocks 11 which are in threaded sleeve connection with the threaded rod 8 drive a push plate 12 to move, and the push plate 12 pushes a top plate 13 to move in a slot at the moment so as to eject a cooled injection molding piece from a die cavity 4.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a location high-accuracy injection moulding mould, includes upper die base (1) and die holder (2), its characterized in that: be equipped with mold core (3) on upper die base (1), be equipped with die cavity (4) on die holder (2), the bottom fixedly connected with of upper die base (1) is a plurality of counterpoints pole (5), be equipped with on die holder (2) with counterpoint hole (6) that counterpoint pole (5) correspond, the below of die holder (2) is equipped with support frame (7), support frame (7) internal rotation is connected with threaded rod (8), support frame (7) and fixedly connected with commentaries on classics piece (9) are run through to the one end of threaded rod (8), the one end slip of commentaries on classics piece (9) is inserted and is equipped with a plurality of stopping grooves that correspond with a stopping pole (10), threaded rod (8) are located a plurality of stopping grooves that correspond of stopping pole (10) on support frame (7), two equal rotation is connected with push pedal (12) on slider (11), the one end rotation of push pedal (12) is connected with roof (13), die holder (2) bottom is equipped with the fluting that corresponds with roof (13).

2. The positioning high-precision injection molding die according to claim 1, wherein: the stop rod (10) is fixedly sleeved with a limiting sleeve (14), and a spring (15) is fixedly connected between the limiting sleeve (14) and the rotating block (9).

3. The positioning high-precision injection molding die according to claim 1, wherein: the number of the alignment rods (5) is four, and the alignment rods are respectively fixed at four corners of the bottom of the upper die holder (1).

4. The positioning high-precision injection molding die according to claim 1, wherein: the outer side wall of the rotating block (9) is provided with a plurality of anti-skid patterns which are obliquely arranged.

5. The positioning high-precision injection molding die according to claim 1, wherein: the threads on two sides of the center point of the horizontal axial section of the threaded rod (8) are oppositely arranged.

6. The positioning high-precision injection molding die according to claim 1, wherein: the two sides of the supporting frame (7) are fixed with the lower die holder (2) through connecting blocks (16).