CN216182276U

CN216182276U - Injection mold convenient to quick replacement inserts piece alive

Info

Publication number: CN216182276U
Application number: CN202121717290.3U
Authority: CN
Inventors: 于昕世; 于江涛; 季鹏; 段同辉; 刘琨
Original assignee: Qingdao Justuse Moulds Technology Co ltd
Current assignee: Qingdao Justuse Moulds Technology Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-04-05
Anticipated expiration: 2031-07-27

Abstract

The utility model discloses an injection mold convenient for fast replacing a movable insert block, which comprises a lower mold seat and an upper mold seat, wherein the upper surface of the lower mold seat is fixedly connected with a plurality of first springs, the top ends of the first springs and the bottom of the upper mold seat are fixedly connected with a template, a core block is arranged inside the template, two sides of the core block are movably connected with rotating rollers, one side of the core block is provided with an insertion hole, one side of the template is movably connected with a connecting rod, one end of the connecting rod is fixedly connected with an insertion block, and the insertion block is inserted into the insertion hole. According to the utility model, the core block can be quickly replaced by a worker through the first wedge block and the second wedge block, the production efficiency of the device is improved, the moving positions of the first wedge block and the second wedge block can be limited through the limiting block, the gear is prevented from being extruded by the limiting block, the use effect of the device is improved, the device can be buffered through the first spring, and the buffering effect of the device is improved.

Description

Injection mold convenient to quick replacement inserts piece alive

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection mold convenient for quickly replacing a movable insert block.

Background

Injection molding is a processing method used for mass production of parts with complex shapes, and particularly relates to a method for injecting heated and melted plastic into a mold cavity from an injection molding machine at high pressure, and obtaining a molded product after cooling and solidification.

However, in the use process of the injection mold in the market at present, because the high-temperature molten plastic is injected into the mold cavity under high pressure, the mold cavity is lost, so that the mold cavity needs to be replaced and maintained frequently, a large amount of time is needed to be wasted at the position, and the production efficiency is reduced, so that the injection mold convenient for replacing the movable insert block quickly is very necessary.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an injection mold convenient for fast replacing a movable insert block.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an injection mold convenient for fast replacing a movable insert block comprises a lower mold base and an upper mold base, wherein the upper surface of the lower mold base is fixedly connected with a plurality of first springs, the top ends of the first springs and the bottom of the upper mold base are fixedly connected with a mold plate, the interior of the mold plate is provided with the core block, two sides of the core block are movably connected with rotating rollers, one side of the core block is provided with a jack, one side of the mold plate is movably connected with a connecting rod, one end of the connecting rod is fixedly connected with an insert block, the insert block is inserted with the jack, one side of the mold plate is fixedly connected with an air cylinder, one end of an air cylinder piston rod penetrates through the mold plate and is fixedly connected with a first wedge block, one side of the first wedge block is fixedly connected with a first rack, the upper surface of the mold plate is movably connected with a second wedge block, one side of the second wedge block is fixedly connected with a second rack, the upper surface of the mold plate is movably connected with a gear, and the first rack and the second rack are meshed with the gear.

As a further scheme of the utility model, the upper surface of the lower die base is fixedly connected with a plurality of positioning columns, the top of the upper die base is provided with a plurality of positioning holes, and the positioning holes are in sliding connection with the positioning columns.

As a further scheme of the utility model, the top of the upper die holder is provided with an injection molding hole.

As a further scheme of the utility model, the upper surface of the template is fixedly connected with two sliding rods, and the first wedge-shaped block and the second wedge-shaped block are connected with the sliding rods in a sliding manner.

As a further scheme of the utility model, two limiting blocks are fixedly connected to the upper surface of the template, and the limiting blocks are respectively contacted with the first rack and the second rack.

As a further scheme of the present invention, the first wedge-shaped block and the second wedge-shaped block are respectively provided with a position-avoiding hole at one side thereof, and the position-avoiding holes are respectively inserted into the first rack and the second rack.

As a further scheme of the utility model, one side of the connecting rod is movably connected with a second spring, and the second spring is fixed with the insert block.

As a further scheme of the utility model, one side of each of the upper die base and the lower die base is fixedly connected with two hanging rings, and the hanging rings are symmetrically distributed.

The utility model has the beneficial effects that:

1. through the setting of installation live-rollers on the pellet, the pulling connecting rod makes the inserted block shift out from the jack, and the cylinder extension makes first wedge and second wedge remove and extrude pellet rebound on the live-rollers to the centre to quick change the pellet, avoid changing the die cavity and maintain and lead to wasted time and production efficiency to reduce, improved the production efficiency of device.

2. Through the setting of installing the stopper on the template, the stopper not only can restrict the position that first wedge and second wedge removed, avoids its extrusion gear, can also restrict the position of first rack and second rack, avoids its crooked result of use of influencing the device, has improved the result of use of device.

3. Through the setting of installing first spring on the die holder, first spring can cushion the device, produces vibrations when avoiding template on the upper die base and the template contact on the die holder and leads to the inside spare part of template to damage and drop, has improved the buffering effect of device.

4. Through the setting of installation reference column on the die holder, the reference column can fix a position the upper die base, makes the pellet on the upper die base and the accurate correspondence of pellet on the die holder, avoids its dislocation to influence the effect of moulding plastics, has improved the convenience of device.

Drawings

FIG. 1 is a schematic perspective view of an injection mold for rapidly replacing a movable insert block according to the present invention;

FIG. 2 is a schematic cross-sectional view of a lower die base of an injection mold facilitating quick replacement of a movable insert block according to the present invention;

fig. 3 is an exploded view of a lower die base of an injection mold facilitating quick replacement of a movable insert block according to the present invention.

In the figure: 1. injection molding holes; 2. positioning holes; 3. an upper die holder; 4. a positioning column; 5. a template; 6. a lower die holder; 7. a hoisting ring; 8. a core block; 9. a cylinder; 10. a first wedge block; 11. a first spring; 12. inserting a block; 13. a second spring; 14. a connecting rod; 15. a slide bar; 16. a limiting block; 17. a first rack; 18. a gear; 19. avoiding holes; 20. a second rack; 21. a second wedge block; 22. a jack; 23. the roller is rotated.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. It should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and their meaning in the context of this patent may be understood by those skilled in the art as appropriate.

Referring to fig. 1-3, an injection mold convenient for fast replacement of a movable insert block comprises a lower die holder 6 and an upper die holder 3, wherein a plurality of first springs 11 are fixed on the upper surface of the lower die holder 6 through bolts, a template 5 is fixed on the top ends of the first springs 11 and the bottom of the upper die holder 3 through bolts, a core block 8 is arranged inside the template 5, the first springs 11 can buffer the device, so that the phenomenon that parts inside the template 5 are damaged and fall off due to vibration generated when the template 5 on the upper die holder 3 contacts with the template 5 on the lower die holder 6 is avoided, two sides of the core block 8 are rotatably connected with rotating rollers 23, one side of the core block 8 is provided with an insertion hole 22, one side of the template 5 is slidably connected with a connecting rod 14, one end of the connecting rod 14 is fixed with an insertion block 12 through bolts, the insertion block 12 is inserted into the insertion hole 22, one side of the template 5 is fixed with an air cylinder 9 through bolts, one end of a piston rod of the air cylinder 9 penetrates through the template 5 and is fixed with a first wedge block 10 through bolts, one side of first wedge 10 is passed through the bolt fastening and is had first rack 17, the upper surface sliding connection of template 5 has second wedge 21, one side of second wedge 21 is passed through the bolt fastening and is had second rack 20, the upper surface rotation of template 5 is connected with gear 18, and first rack 17 and second rack 20 mesh with gear 18 mutually, pulling connecting rod 14 makes inserted block 12 shift out from jack 22, cylinder 9 extension makes first wedge 10 and second wedge 21 remove to the centre and extrude pellet 8 rebound on the live-rollers 23, thereby quick pellet 8 is changed, avoid changing the die cavity and maintain and lead to wasted time and production efficiency to reduce.

In the utility model, it should be noted that, a plurality of positioning posts 4 are fixed on the upper surface of the lower die holder 6 through bolts, a plurality of positioning holes 2 are formed on the top of the upper die holder 3, the positioning holes 2 are slidably connected with the positioning posts 4, the positioning posts 4 can position the upper die holder 3, so that the core block 8 on the upper die holder 3 accurately corresponds to the core block 8 on the lower die holder 6, and the core block is prevented from being misplaced to affect the injection molding effect, an injection molding hole 1 is formed on the top of the upper die holder 3, two sliding rods 15 are fixed on the upper surface of the die plate 5 through bolts, the first wedge block 10 and the second wedge block 21 are slidably connected with the sliding rods 15, two limiting blocks 16 are fixed on the upper surface of the die plate 5 through bolts, and the limiting blocks 16 are respectively contacted with the first rack 17 and the second rack 20, the limiting blocks 16 can limit the moving positions of the first wedge block 10 and the second wedge block 21, and prevent the first wedge block 10 and the second wedge block 21 from extruding the gear 18, the positions of the first rack 17 and the second rack 20 can be limited, the skew of the first rack 17 and the second rack 20 is prevented from affecting the use effect of the device, the avoiding hole 19 is formed in one side of the first wedge-shaped block 10 and one side of the second wedge-shaped block 21, the avoiding hole 19 is respectively connected with the first rack 17 and the second rack 20 in an inserting mode, the first rack 17 and the second rack 20 are moved to proper positions to be inserted into the avoiding hole 19, the first rack 17 and the second rack 20 are prevented from being damaged when the template 5 is extruded, the second spring 13 is sleeved on one side of the connecting rod 14 and fixed with the inserting block 12, the two lifting rings 7 are fixed on one sides of the upper die holder 3 and the lower die holder 6 through bolts, the lifting rings 7 are symmetrically distributed, the device is fixed on an external moving machine through the lifting rings 7, the device is convenient for workers to move, and the manual strength is saved.

The working principle is as follows: when an injection mold is needed, firstly, an upper mold base 3 is inserted into a positioning column 4 through a positioning hole 2, a core block 8 on the upper mold base 3 is overlapped with a core block 8 on a lower mold base 6, then high-temperature molten plastic is injected into the core block 8 through an injection hole 1, so that the plastic is molded, when the core block 8 needs to be replaced, firstly, a connecting rod 14 is pulled backwards, so that an inserting block 12 is separated from an inserting hole 22, a second spring 13 is contracted, then, an air cylinder 9 is started, the air cylinder 9 is extended, so that a first wedge block 10 moves towards the middle and extrudes a rotating roller 23 to move upwards, meanwhile, the first wedge block 10 moves, a first rack 17 drives a gear 18 to rotate, so that a second rack 20 drives a second wedge block 21 to move towards the middle along a sliding rod 15, and the second wedge block 21 extrudes another rotating roller 23 to move upwards, so that the rotating roller 23 rotates along the first wedge block 10 and the second wedge block 21, and then make pellet 8 upwards remove, make things convenient for the staff to carry out quick change to pellet 8.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The injection mold convenient for fast replacing the movable insert block comprises a lower mold base (6) and an upper mold base (3), and is characterized in that the upper surface of the lower mold base (6) is fixedly connected with a plurality of first springs (11), the top ends of the first springs (11) and the bottom of the upper mold base (3) are fixedly connected with a mold plate (5), the core block (8) is arranged inside the mold plate (5), the two sides of the core block (8) are movably connected with rotating rollers (23), one side of the core block (8) is provided with a jack (22), one side of the mold plate (5) is movably connected with a connecting rod (14), one end of the connecting rod (14) is fixedly connected with an insert block (12), the insert block (12) is inserted into the jack (22), one side of the mold plate (5) is fixedly connected with an air cylinder (9), and one end of a piston rod of the air cylinder (9) penetrates through the mold plate (5) and is fixedly connected with a first wedge block (10), one side fixedly connected with first rack (17) of first wedge (10), the upper surface swing joint of template (5) has second wedge (21), one side fixedly connected with second rack (20) of second wedge (21), the upper surface swing joint of template (5) has gear (18), and first rack (17) and second rack (20) mesh with gear (18) mutually.

2. The injection mold convenient for fast replacing a movable insert block according to claim 1, wherein a plurality of positioning columns (4) are fixedly connected to the upper surface of the lower die holder (6), a plurality of positioning holes (2) are formed in the top of the upper die holder (3), and the positioning holes (2) are slidably connected with the positioning columns (4).

3. An injection mould facilitating the quick replacement of a removable insert block according to claim 2, wherein the top of the upper die base (3) is provided with an injection hole (1).

4. An injection mould facilitating the quick replacement of a loose insert block according to claim 1, characterised in that two slide bars (15) are fixedly connected to the upper surface of the mould plate (5), and that the first wedge block (10) and the second wedge block (21) are slidably connected to the slide bars (15).

5. An injection mould facilitating the quick replacement of a loose insert block according to claim 4, characterised in that two stop blocks (16) are fixedly attached to the upper surface of the mould plate (5), and the stop blocks (16) are in contact with the first rack (17) and the second rack (20), respectively.

6. The injection mold convenient for fast replacing a movable insert block according to claim 5, wherein one side of each of the first wedge block (10) and the second wedge block (21) is provided with a position avoiding hole (19), and the position avoiding holes (19) are respectively inserted into the first rack (17) and the second rack (20).

7. An injection mould facilitating a quick change of a loose insert block according to claim 1, characterised in that a second spring (13) is movably connected to one side of the connecting rod (14), and the second spring (13) is fixed with the insert block (12).

8. An injection mould convenient for fast replacing a loose insert block according to claim 3, characterized in that two hanging rings (7) are fixedly connected to one side of the upper die base (3) and one side of the lower die base (6), and the hanging rings (7) are symmetrically distributed.