CN212147410U

CN212147410U - Stepped hole forming die with push-pull pin

Info

Publication number: CN212147410U
Application number: CN202020772620.8U
Authority: CN
Inventors: 解连涛; 赵延荣; 王凯正
Original assignee: Qingdao Chengxuan New Material Manufacturing Co ltd
Current assignee: Qingdao Chengxuan New Material Manufacturing Co ltd
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2020-12-15
Anticipated expiration: 2030-05-11

Abstract

The utility model discloses an install step hole forming die who pushes away and draw round pin additional, including upper die base and die holder, the top fixedly connected with of die holder outer wall corresponds spacing frame with the upper die base, the first die sinking handle of both sides difference fixedly connected with and the second die sinking handle at upper die base top center, the edge at upper die base top all is provided with the locking bolt corresponding with the die holder, the fixed axle sleeve of the equal fixedly connected with in both sides of upper die base top internal surface, the equal fixedly connected with in both sides at die holder top center is sold with the fixed axle sleeve shaping that corresponds, the top of upper die base is provided with the mouth of moulding plastics. The utility model discloses in, this install step hole forming die who pushes away and draws round pin additional can one shot forming through set up axle sleeve and locating pin respectively on two die holders, need not later stage processing, has both guaranteed the size and the quality in step hole, has eliminated the problem of back-off simultaneously again to make its work efficiency obtain improving greatly, be worth wideling popularize.

Description

Stepped hole forming die with push-pull pin

Technical Field

The utility model relates to a forming die technical field especially relates to install step hole forming die who pushes away and draws round pin additional.

Background

The injection molding mold is characterized in that plastic is heated and melted in a heating cylinder of an injection molding machine, then enters a mold cavity through a nozzle and a pouring system of the mold under the pushing of a screw rod or a piston of the injection molding machine, and finally is hardened and shaped in the mold cavity, which is a simple process of injection molding.

Injection mold is forming die's a, but there is certain defect in present device structural design, the step hole is the difficult problem that a very was difficult to solve among the injection mold, because the step hole combines the drawing of patterns direction can have the back-off, still need cut or polish the back-off once more after the drawing of patterns, can influence the size and the quality in step hole like this to influence the whole precision and the quality of product, for this reason, we have proposed the new step hole forming die who installs the push-and-pull round pin additional.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the step hole forming die who installs the push-and-pull round pin additional that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme: install step hole forming die who pushes away and draw round pin additional, including upper die base and die holder, the top fixedly connected with of die holder outer wall corresponds spacing frame with the upper die base, the first die sinking handle of both sides difference fixedly connected with and the second die sinking handle at upper die base top center, the edge at upper die base top all is provided with the locking bolt corresponding with the die holder, the equal fixedly connected with fixed axle sleeve in both sides of upper die base top internal surface, the equal fixedly connected with in both sides at die holder top center and the corresponding shaping round pin of fixed axle sleeve, the top of upper die base is provided with the mouth of moulding plastics.

As a further description of the above technical solution:

the limiting frame and the lower die base are cast into an integrally formed structure.

As a further description of the above technical solution:

and the periphery of the top of the lower die base is provided with a positioning groove corresponding to the upper die base, and the upper die base and the lower die base are mutually clamped.

As a further description of the above technical solution:

and the corners of the upper die base and the lower die base are provided with threaded holes corresponding to the locking bolts.

As a further description of the above technical solution:

the center of two fixed axle sleeve bottoms all sets up the locating hole that corresponds with the shaping round pin, just shaping round pin and locating hole belong to interference fit.

As a further description of the above technical solution:

the center of the bottom of the upper die base and the center of the top of the lower die base are both provided with molding die cavities, and the center of the top of the upper die base is provided with injection molding holes corresponding to the injection molding ports.

The utility model discloses following beneficial effect has: 1. the utility model provides an install step hole forming die who pushes away and draws round pin additional compares with traditional device, the device simple structure, and convenient and practical through set up accurate axle and cover on two die holders, can guarantee the one shot injection moulding in step hole when moulding plastics, has guaranteed the precision of product.

2. Compared with the traditional device, the device has the advantages that the structure and the design are greatly innovated and improved, the step hole forming die provided with the push-pull pin can be formed at one time by respectively arranging the shaft sleeve and the positioning pin on the two die holders, the later-stage processing is not needed, the size and the quality of the step hole are guaranteed, and the problem of back-off is eliminated, so that the working efficiency is greatly improved, and the device is worthy of great popularization.

Drawings

Fig. 1 is a front view structural diagram of a stepped hole forming die with a push-pull pin according to the present invention;

FIG. 2 is an internal structure view of a step hole forming mold with a push-pull pin according to the present invention;

fig. 3 is a bottom view structural diagram of the upper die base of the step hole forming die additionally provided with the push-pull pin according to the present invention;

fig. 4 is the utility model provides an install overlook structure chart of step hole forming die lower bolster of push-and-pull round pin additional.

Illustration of the drawings:

1. an upper die holder; 2. a lower die holder; 3. a limiting frame; 4. positioning a groove; 5. a first mold opening handle; 6. a second mold opening handle; 7. locking the bolt; 8. a threaded hole; 9. fixing the shaft sleeve; 10. a forming pin; 11. positioning holes; 12. molding a mold cavity; 13. an injection molding port; 14. and (5) injection molding holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a stepped hole forming die additionally provided with a push-pull pin comprises an upper die base 1 and a lower die base 2, the top of the outer wall of the lower die base 2 is fixedly connected with a limiting frame 3 corresponding to the upper die base 1, two sides of the center of the top of the upper die base 1 are respectively and fixedly connected with a first die opening handle 5 and a second die opening handle 6, the corners of the top of the upper die base 1 are respectively provided with a locking bolt 7 corresponding to the lower die base 2, two sides of the inner surface of the top of the upper die base 1 are respectively and fixedly connected with a fixed shaft sleeve 9, two sides of the center of the top of the lower die base 2 are respectively and fixedly connected with a forming pin 10 corresponding to the fixed shaft sleeve 9,

the limiting frame 3 and the lower die holder 2 are cast into an integrally formed structure, the limiting frame 3 and the lower die holder 2 which are cast into the integrally formed structure are firm in structure and cannot be easily damaged, the periphery of the top of the lower die holder 2 is provided with positioning grooves 4 corresponding to the upper die holder 1, the upper die holder 1 and the lower die holder 2 are mutually clamped, the upper die holder 1 and the lower die holder 2 are accurately positioned and clamped by arranging the positioning grooves 4, the machining precision is ensured, the corners of the upper die holder 1 and the lower die holder 2 are respectively provided with a threaded hole 8 corresponding to the locking bolt 7, the centers of the bottoms of the two fixing shaft sleeves 9 are respectively provided with a positioning hole 11 corresponding to the forming pin 10, the forming pin 10 and the positioning hole 11 are in interference fit, the successful injection molding of the step hole can be ensured at one time through the mutual fit of the forming pin 10 and the positioning hole 11, and the subsequent demolding, the center of the bottom of the upper die holder 1 and the center of the top of the lower die holder 2 are both provided with a molding die cavity 12, the center of the top of the upper die holder 1 is provided with an injection molding hole 14 corresponding to the injection molding port 13, and during injection molding, injection molding solution can enter the molding die cavity 12 through the injection molding port 13 and the injection molding hole 14.

The working principle is as follows: the utility model provides a step hole forming die with push-pull pin has great improvement innovation with traditional device, when using this step hole forming die with push-pull pin, can carry out the compound die to upper die base 1 and die holder 2 earlier, then utilize a plurality of locking bolt 7 to go on locking fixedly to upper die base 1 and die holder 2, through seting up constant head tank 4, thereby realize the accurate positioning and block of upper die base 1 and die holder 2, thereby guaranteed the machining precision, both sides of the internal surface of upper die base 1 top all fixedly connected with fixed axle sleeve 9, both sides at the center of die holder 2 top all fixedly connected with the shaping pin 10 corresponding with fixed axle sleeve 9, through the mutual block of fixed axle sleeve 9 and shaping pin 10, can once only guarantee the success of injection molding of step hole, also make things convenient for subsequent drawing of patterns simultaneously, during the injection molding, injection molding solution can get into in shaping die cavity 12 through injection molding mouth 13 and injection molding hole 14, when the injection molding piece is cooled, solidified and molded, the lower die holder 2 is disassembled, so that the two molding pins 10 are drawn out of the fixed shaft sleeve 9, and then the upper die holder 1 is demolded, so that a complete injection molding piece with a step hole can be obtained.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. Install step hole forming die who pushes away and draw round pin additional, including upper die base (1) and die holder (2), its characterized in that: the utility model discloses a die holder, including die holder (2), the both sides at upper die base (1) top center are the first die sinking handle of fixedly connected with (5) and second die sinking handle (6) respectively, the edge at upper die base (1) top all is provided with locking bolt (7) corresponding with die holder (2), the equal fixedly connected with fixed axle sleeve (9) in both sides of upper die base (1) top internal surface, the equal fixedly connected with in both sides at die holder (2) top center has and fixes axle sleeve (9) corresponding shaping round pin (10), the top of upper die base (1) is provided with injection molding mouth (13).

2. The stepped hole forming die provided with the push-pull pin according to claim 1, wherein: the limiting frame (3) and the lower die holder (2) are cast into an integral structure.

3. The stepped hole forming die provided with the push-pull pin according to claim 1, wherein: and the periphery of the top of the lower die seat (2) is provided with a positioning groove (4) corresponding to the upper die seat (1), and the upper die seat (1) and the lower die seat (2) are mutually clamped.

4. The stepped hole forming die provided with the push-pull pin according to claim 1, wherein: and threaded holes (8) corresponding to the locking bolts (7) are formed at the corners of the upper die holder (1) and the lower die holder (2).

5. The stepped hole forming die provided with the push-pull pin according to claim 1, wherein: the centers of the bottoms of the two fixed shaft sleeves (9) are provided with positioning holes (11) corresponding to the forming pins (10), and the forming pins (10) and the positioning holes (11) are in interference fit.

6. The stepped hole forming die provided with the push-pull pin according to claim 1, wherein: the injection molding device is characterized in that molding cavities (12) are formed in the center of the bottom of the upper die holder (1) and the center of the top of the lower die holder (2), and injection molding holes (14) corresponding to the injection molding openings (13) are formed in the center of the top of the upper die holder (1).