CN214395006U

CN214395006U - Mould with anti-friction structure

Info

Publication number: CN214395006U
Application number: CN202022823455.7U
Authority: CN
Inventors: 唐建琼
Original assignee: Ningbo Shaojin Plastic Products Co ltd
Current assignee: Ningbo Shaojin Plastic Products Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-10-15
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses a mould with anti-friction structure, which comprises an upper mould component and a lower mould component, wherein a plurality of upper mould inserts are arranged in the upper mould component, the lower mould component is provided with a mould core, and a mould cavity is formed between the upper mould inserts and the mould core; the upper die insert is provided with a mounting hole, an anti-friction sliding block is movably arranged in the mounting hole through a driving piece, and the driving piece drives the anti-friction sliding block to be matched with the lower die assembly in a propping mode. The utility model has the advantages of it is following and effect: the new mechanical structure of this scheme utilization adopts the mode that sets up the anti-friction slider at the last mould mold insert internalization, and at the compound die in-process, the anti-friction slider has certain cushioning effect, prevents to go up mould assembly and lower mould assembly surface direct extrusion and the phenomenon that the friction damaged appears, has better buffering, antifriction's effect.

Description

Mould with anti-friction structure

Technical Field

The utility model relates to the technical field of mold, in particular to mould with anti-friction structure that slides.

Background

The mould is used for making the tool of the shaping article, this kind of tool is formed by various parts, different moulds are formed by different parts, it mainly realizes the processing of the article shape by changing the physical state of the shaping material, the blank is made into the tool with the name of 'industrial mother' under the action of external force, it is widely used in the shaping process of blanking, die forging, cold heading, extrusion, pressing of powder metallurgy parts, pressure casting, and compression molding or injection molding of engineering plastics, rubber, ceramics, etc., the mould has a special outline or cavity shape, the blank can be separated according to the outline shape by using the outline shape with cutting edge, the blank can obtain a corresponding three-dimensional shape by using the shape of the inner cavity, and the die generally comprises a movable die and a fixed die which can be separated and combined, a workpiece is taken out when the movable die and the fixed die are separated, and the blank is injected into a die cavity for forming when the movable die and the fixed die are combined.

The existing mould is in operation, and the mould in-process opens and shuts, and the wearing and tearing appear easily in cope match-plate pattern and lower bolster extrusion department, and the mould is when the extrusion, and the lower bolster causes the mould extrusion failure because of the bottom surface is uneven occasionally, and long-time during operation moreover, the cope match-plate pattern generates heat easily, brings inconvenience for the user.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a mould with anti-friction structure, which has the effects of buffering and anti-friction.

The above technical purpose of the present invention can be achieved by the following technical solutions: a mould with an anti-friction structure comprises an upper mould component and a lower mould component, wherein a plurality of upper mould inserts are arranged in the upper mould component; the upper die insert is provided with a mounting hole, an anti-friction sliding block is movably arranged in the mounting hole through a driving piece, and the driving piece drives the anti-friction sliding block to be matched with the lower die assembly in a propping mode.

Through adopting above-mentioned technical scheme, when the relative lower mould subassembly compound die of last mould subassembly, the mounting hole is stretched out to the terminal surface owing to under the effect of driving piece to the anti-friction slider, the terminal surface of anti-friction slider is at first contradicted in the surface of lower mould subassembly, afterwards, along with being close to gradually between last mould subassembly and the lower mould subassembly, make the anti-friction slider by in the jack-in mounting hole, so, at the compound die in-process, the anti-friction slider has certain cushioning effect, prevent to go up mould subassembly and lower mould subassembly surface direct extrusion and the phenomenon that the friction damaged appears, better buffering has, antifriction's effect.

The present invention may be further configured in a preferred embodiment as: the threaded hole is coaxially formed in the mounting hole, a positioning bolt is connected in the threaded hole in a threaded manner, a center hole is formed in the center of the anti-friction sliding block, the positioning bolt penetrates through the center hole, and a nut of the positioning bolt is matched with the anti-friction sliding block in a propping manner.

Through adopting above-mentioned technical scheme, positioning bolt can prevent to a certain extent that the anti-friction slider from breaking away from the mounting hole, and through adjusting positioning bolt's position, still can stretch out the height of mounting hole to the anti-friction slider and adjust, when the relative screw hole of positioning bolt was twisted, the height that the anti-friction slider stretched out the mounting hole can reduce.

The present invention may be further configured in a preferred embodiment as: the anti-friction sliding block is provided with a containing groove, the containing groove is communicated with the central hole, the nut of the positioning bolt is positioned in the containing groove, and the nut of the positioning bolt is abutted and matched with the bottom wall of the containing groove.

The present invention may be further configured in a preferred embodiment as: the driving piece is set as a driving spring, the driving spring is sleeved on the positioning bolt, one end of the driving spring is abutted against the anti-friction sliding block, and the other end of the driving spring is abutted against the inner wall of the mounting hole.

Through adopting above-mentioned technical scheme, under drive spring's elasticity effect for positioning bolt stretches out to the direction of keeping away from the mounting hole.

The present invention may be further configured in a preferred embodiment as: the lateral wall of mounting hole is provided with spacing step, and spacing step and the spacing cooperation of anti-friction slider, when driving spring ordered about the anti-friction slider to the mounting hole outward motion, be formed with flexible clearance between anti-friction slider and the spacing step.

By adopting the technical scheme, the telescopic gap between the anti-friction sliding block and the limiting step can allow the anti-friction sliding block to extend into the mounting hole until the anti-friction sliding block is abutted against the limiting step.

The present invention may be further configured in a preferred embodiment as: the height of the telescopic gap is set to be 1-2mm, and the height of the anti-friction sliding block extending out of the mounting hole under the elastic action of the driving spring is 1 mm.

The present invention may be further configured in a preferred embodiment as: four upper die inserts are circumferentially arranged in the upper die assembly, two mounting holes are formed in each upper die insert in parallel, and anti-friction sliding blocks are arranged in each mounting hole in a one-to-one correspondence mode.

By adopting the technical scheme, the four upper die inserts are respectively provided with the two anti-friction sliding blocks, so that the upper die inserts are well protected, the upper die inserts are less worn and have long service life.

To sum up, the utility model discloses following beneficial effect has:

1. the mode that the anti-friction sliding block is movably arranged in the upper die insert is adopted, and the anti-friction sliding block has a certain buffering effect in the die closing process, so that the phenomenon of friction damage caused by direct extrusion of the surfaces of the upper die assembly and the lower die assembly is prevented, and the anti-friction buffer die has better buffering and anti-friction effects;

2. the positioning bolt is adopted, so that the anti-friction sliding block can be prevented from being separated from the mounting hole, and the height of the anti-friction sliding block extending out of the mounting hole can be adjusted by adjusting the position of the positioning bolt.

Drawings

Fig. 1 is a schematic diagram of the overall structural relationship of the embodiment.

FIG. 2 is a schematic structural relationship diagram of an upper die assembly of the embodiment.

FIG. 3 is a cross-sectional view of an upper die assembly of an embodiment.

Fig. 4 is an enlarged view of the area a in fig. 3.

Reference numerals: 1. an upper die assembly; 11. mounting a template; 12. an upper die insert; 121. mounting holes; 122. a threaded hole; 13. a guide block; 14. a stopper; 141. a lug; 2. a lower die assembly; 3. an anti-friction slider; 31. a central bore; 32. a containing groove; 4. a drive spring; 5. positioning the bolt; 6. a limiting step; 7. a telescoping gap.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A mold with an anti-friction and anti-sliding structure is shown in figures 1-4 and comprises an upper mold component 1 and a lower mold component 2, wherein the upper mold component 1 comprises an upper mold plate 11, four upper mold inserts 12 are arranged on the inner periphery of the upper mold plate 11, each upper mold insert 12 is positioned on the upper mold plate 11 through two guide blocks 13 with T-shaped sections, each guide block 13 is fixed on the upper mold plate 11 through a bolt, a plurality of stop blocks 14 are further arranged on the upper mold plate 11 through bolts, each stop block 14 is provided with a lug 141, and each lug 141 is in abutting fit with the corresponding upper mold insert 12 to prevent the corresponding upper mold insert 12 from being separated from the corresponding upper mold plate 11. The lower die assembly 2 is provided with a die core, and a cavity of the battery box is formed between the upper die insert 12 and the die core.

As shown in fig. 1 to 4, two mounting holes 121 are formed in each upper mold insert 12 in parallel, anti-friction sliders 3 are correspondingly arranged in each mounting hole 121 one by one, and the anti-friction sliders 3 are movably arranged in the mounting holes 121 through a driving spring 4. A threaded hole 122 is coaxially formed in the mounting hole 121, a positioning bolt 5 is connected to the threaded hole 122 in an internal thread manner, a central hole 31 is formed in the center of the anti-friction sliding block 3, an accommodating groove 32 is formed in the lower surface of the anti-friction sliding block 3, the accommodating groove 32 is communicated with the central hole 31, the positioning bolt 5 penetrates through the central hole 31, and a nut of the positioning bolt 5 is located in the accommodating groove 32. The driving spring 4 is sleeved on the positioning bolt 5, one end of the driving spring 4 abuts against the anti-friction sliding block 3, the other end of the driving spring 4 abuts against the inner wall of the mounting hole 121, and under the elastic force action of the driving spring 4, the positioning bolt 5 extends out in the direction away from the mounting hole 121. The side wall of the mounting hole 121 is provided with a limiting step 6, the limiting step 6 is in limiting fit with the anti-friction slider 3, when the driving spring 4 drives the anti-friction slider 3 to move outwards of the mounting hole 121, the nut of the positioning bolt 5 abuts against the bottom wall of the accommodating groove 32, a telescopic gap 7 is formed between the anti-friction slider 3 and the limiting step 6, the height of the telescopic gap 7 can be set to be 1-2mm, the telescopic gap 7 between the anti-friction slider 3 and the limiting step 6 can allow the anti-friction slider 3 to extend into the mounting hole 121 until abutting against the limiting step 6, and the height of the anti-friction slider 3 extending out of the mounting hole 121 under the elastic force action of the driving spring 4 is 1 mm.

The positioning bolt 5 can prevent the anti-friction sliding block 3 from being separated from the mounting hole 121 to a certain extent, in addition, the height of the anti-friction sliding block 3 extending out of the mounting hole 121 can be adjusted by adjusting the position of the positioning bolt 5, and when the positioning bolt 5 is screwed into the threaded hole 122 relatively, the height of the anti-friction sliding block 3 extending out of the mounting hole 121 can be reduced.

The utility model discloses a basic operating principle does: when the upper die assembly 1 is matched with the lower die assembly 2 relatively, the end face of the anti-friction sliding block 3 extends out of the mounting hole 121 under the action of the elastic force of the driving spring 4, the end face of the anti-friction sliding block 3 firstly butts against the surface of the lower die assembly 2, and then the anti-friction sliding block 3 is pushed into the mounting hole 121 along with the gradual approach between the upper die assembly 1 and the lower die assembly 2, so that the anti-friction sliding block 3 has a certain buffering effect in the matching process, the phenomenon of friction damage caused by the direct extrusion of the surfaces of the upper die insert 12 and the lower die assembly 2 is prevented, and the anti-friction buffering and anti-friction effects are good. The four upper die inserts 12 are respectively provided with two anti-friction sliding blocks 3, so that the upper die inserts 12 are well protected, the upper die inserts 12 are less worn, and the service life is long.

The specific embodiments are only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a mould with anti-friction structure, includes mould component (1) and lower mould component (2), its characterized in that: a plurality of upper die inserts (12) are arranged in the upper die assembly (1), a die core is arranged in the lower die assembly (2), and a cavity is formed between each upper die insert (12) and the corresponding die core; the upper die insert (12) is provided with a mounting hole (121), an anti-friction sliding block (3) is movably arranged in the mounting hole (121) through a driving piece, and the driving piece drives the anti-friction sliding block (3) to be matched with the lower die assembly (2) in an abutting mode.

2. The mold having an anti-friction structure according to claim 1, wherein: the anti-friction sliding block is characterized in that a threaded hole (122) is coaxially formed in the mounting hole (121), a positioning bolt (5) is connected to the threaded hole (122) in an internal thread mode, a center hole (31) is formed in the center of the anti-friction sliding block (3), the positioning bolt (5) penetrates through the center hole (31), and a nut of the positioning bolt (5) is matched with the anti-friction sliding block (3) in a propping mode.

3. The mold having an anti-friction structure as set forth in claim 2, wherein: the anti-friction sliding block (3) is provided with an accommodating groove (32), the accommodating groove (32) is communicated with the central hole (31), the nut of the positioning bolt (5) is positioned in the accommodating groove (32), and the nut of the positioning bolt (5) is abutted and matched with the bottom wall of the accommodating groove (32).

4. The mold having an anti-friction structure as set forth in claim 2, wherein: the driving piece is set to be a driving spring (4), the driving spring (4) is sleeved on the positioning bolt (5), one end of the driving spring (4) abuts against the anti-friction sliding block (3), and the other end of the driving spring (4) abuts against the inner wall of the mounting hole (121).

5. The mold having an anti-friction structure as set forth in claim 4, wherein: the side wall of the mounting hole (121) is provided with a limiting step (6), the limiting step (6) is in limiting fit with the anti-friction sliding block (3), and when the driving spring (4) drives the anti-friction sliding block (3) to move towards the outside of the mounting hole (121), a telescopic gap (7) is formed between the anti-friction sliding block (3) and the limiting step (6).

6. The mold having an anti-friction structure as set forth in claim 5, wherein: the height of the telescopic gap (7) is set to be 1-2mm, and the height of the anti-friction sliding block (3) extending out of the mounting hole (121) under the elastic force action of the driving spring (4) is 1 mm.

7. The mold having an anti-friction structure according to claim 1, wherein: four upper die inserts (12) are arranged in the inner periphery of the upper die assembly (1), two mounting holes (121) are arranged in each upper die insert (12) in parallel, and the anti-friction sliding blocks (3) are correspondingly arranged in the mounting holes (121) one by one.