CN214773669U - Mould that precision is strong - Google Patents

Mould that precision is strong Download PDF

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Publication number
CN214773669U
CN214773669U CN202120958721.9U CN202120958721U CN214773669U CN 214773669 U CN214773669 U CN 214773669U CN 202120958721 U CN202120958721 U CN 202120958721U CN 214773669 U CN214773669 U CN 214773669U
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China
Prior art keywords
base
correspondingly
correspond
mold
die
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CN202120958721.9U
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Chinese (zh)
Inventor
饶炳文
项光荣
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Xiamen Huiwei Mould Industry Co ltd
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Xiamen Huiwei Mould Industry Co ltd
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Priority to CN202120958721.9U priority Critical patent/CN214773669U/en
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Abstract

The utility model discloses a mould that precision is strong, including upper die base and die holder, the bottom and the last mould core of upper die base correspond and are connected, it is equipped with open flexible chamber to correspond in the upper end of direction base, bottom correspondence in flexible chamber is equipped with the answer spring, the upper end of answer spring corresponds the contact with the shaft-like guide post of rigidity, the lower extreme correspondence of guide post inserts flexible intracavity, the middle part correspondence at the guide post is equipped with the spacing groove that runs through, it is equipped with the shell fragment of "W" shape to correspond in the spacing groove, the middle part joint of shell fragment is at the spacing inslot, the both ends of shell fragment correspond with spacing slider respectively and are connected, one side of spacing slider corresponds the contact with the inner wall of upper cover, the opposite side of spacing slider corresponds the contact with the outer wall of guide post. The utility model relates to a mould that precision is strong is equipped with the guide unit for position when upper die base and die holder remove is more accurate to the accuse, has effectively solved current mould because upper die base and die holder location are not accurate, influences product machining precision's problem.

Description

Mould that precision is strong
Technical Field
The utility model belongs to the technical field of the industrial production mould and specifically relates to a mould that precision is strong.
Background
The mould, the industrial production uses injection moulding, blow moulding, extrusion, die-casting or forging forming, smelting, various moulds and tools of the punching press to get the required products, in short, the mould is the tool used for making 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 appearance through the change of the physical state of the shaping material, the name of the "industrial mother" is plain, make the blank become the tool of the finished piece with specific shape and size under the external force, it is used in blanking, die forging, cold heading, extrusion, powder metallurgy pressing, pressure casting, and the shaping processing of compression moulding or injection moulding of the products such as engineering plastics, rubber, ceramic, etc., the mould has specific outline or cavity shape, use the outline shape with cutting edge to make the blank separate (blank) according to the outline shape, the blank can obtain a corresponding three-dimensional shape by using the shape of the inner cavity, the die generally comprises a movable die and a fixed die which can be combined and separated, a workpiece is taken out when the movable die and the fixed die are separated, the blank is injected into a die cavity for forming when the movable die and the fixed die are combined, the die is a precise tool and has a complex shape, the die bears the expansion force of the blank, the requirements on structural strength, rigidity, surface hardness, surface roughness and processing precision are high, and the development level of die production is one of important marks of the mechanical manufacturing level. The existing mould is often not accurate enough in positioning of the mould mounting position during processing, the height during material injection and the uniformity degree of heat are not well mastered, and the condition that the produced mould is different in hardness often occurs. Therefore, it is necessary to design a mold with high precision.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, a mold with high precision is provided.
The utility model discloses a following scheme realizes:
a mold with high precision comprises an upper mold base and a lower mold base, wherein the bottom end of the upper mold base is correspondingly connected with an upper mold core, the top end of the upper mold base is correspondingly connected with a transmission block, the upper end of the lower mold base is correspondingly connected with a lower mold core, a cavity is correspondingly arranged on the upper mold core and the lower mold core, the cavity is correspondingly communicated with a feeding channel, a heating ring and a cooling fluid channel are correspondingly arranged on the outer side of the lower mold core respectively, a guide unit is correspondingly arranged between the upper mold base and the lower mold base, the guide unit comprises a guide base correspondingly connected with the upper end of the lower mold base, the guide base is correspondingly connected with an upper cover, and the guide base and the upper cover form a hollow cavity structure;
the upper end of the guide base is correspondingly provided with an open telescopic cavity, the bottom of the telescopic cavity is correspondingly provided with a return spring, the upper end of the return spring is correspondingly contacted with a rigid rod-shaped guide post, the lower end of the guide post is correspondingly inserted into the telescopic cavity, the middle of the guide post is correspondingly provided with a through limiting groove, a W-shaped elastic sheet is correspondingly arranged in the limiting groove, the middle of the elastic sheet is clamped in the limiting groove, two ends of the elastic sheet are respectively correspondingly connected with a limiting slide block, one side of the limiting slide block is correspondingly contacted with the inner wall of the upper cover, and the other side of the limiting slide block is correspondingly contacted with the outer wall of the guide post.
The feeding channel sequentially penetrates through the upper die base and the upper die core.
The bottom of the lower die holder is correspondingly provided with a plurality of buffer blocks which are uniformly arranged, and the bottoms of the buffer blocks are correspondingly connected with the die base.
The lower end of the guide post is correspondingly contacted with the inner wall of the telescopic cavity.
The joint of the guide base and the upper cover is correspondingly provided with a vertical safety rod, and the upper end of the safety rod can be correspondingly contacted with the limiting slide block.
The utility model has the advantages that:
the utility model relates to a mould that precision is strong is equipped with the guide unit for position when upper die base and die holder remove is more accurate to the accuse, has effectively solved current mould because upper die base and die holder location are not accurate, influences product machining precision's problem.
Drawings
Fig. 1 is a schematic structural view of a mold with high precision according to the present invention;
fig. 2 is a schematic structural view of the guiding unit of the present invention;
in the figure: 1 is the upper die base, 2 is the die holder, 3 is the upper die core, 4 is the lower die core, 5 is the die cavity, 6 is feedstock channel, 7 is the transmission piece, 8 is the buffer block, 9 mould bases, 10 is the heating collar, 11 is the cooling fluid passageway, 12 is the direction base, 13 is flexible chamber, 14 is the answer spring, 15 is the guide post, 16 is the upper cover, 17 is the spacing groove, 18 is the shell fragment, 19 is limiting slide, 20 is the safety bar.
Detailed Description
The preferred embodiment of the present invention is further described below with reference to fig. 1 and 2:
the utility model provides a mould that precision is strong, includes upper die base 1 and die holder 2, the bottom of upper die base 1 corresponds with last mould core 3 and is connected, the top and the transmission piece 7 of upper die base 1 correspond to be connected, transmission piece 7 corresponds with external hydraulic stem and is connected, upper and lower flexible through the hydraulic stem drives reciprocating of upper die base 1, thereby make upper die base 1 downstream and die holder 2 cooperation, make the lower mould core move towards the upper die core, the material compression moulding that gets into by feedstock channel before, the heating coil heating, make the product shaping in the die cavity faster, close the heating coil after the shaping, through cooling fluid in the cooling fluid passageway, take away the heat, the product cools off fast, the product that obtains is more accurate, the practicality of whole mould has also obtained the improvement of certain degree. The upper end of the lower die holder 2 is correspondingly connected with the lower die core 4, the upper die core 3 and the lower die core 4 are correspondingly provided with a die cavity 5, the die cavity 5 is correspondingly communicated with the feeding channel 6, the outer side of the lower die core 4 is respectively and correspondingly provided with a heating ring 10 and a cooling fluid channel 11, a guide unit is correspondingly arranged between the upper die holder 1 and the lower die holder 2, the guide unit comprises a guide base 12 correspondingly connected with the upper end of the lower die holder 2, the guide base 12 is correspondingly connected with an upper cover 16, and the guide base 12 and the upper cover 16 form a hollow cavity structure;
the upper end of the guide base 12 is correspondingly provided with an open telescopic cavity 13, the bottom of the telescopic cavity 13 is correspondingly provided with a return spring 14, the upper end of the return spring 14 is correspondingly contacted with a rigid rod-shaped guide post 15, the lower end of the guide post 15 is correspondingly inserted into the telescopic cavity 13, the middle part of the guide post 15 is correspondingly provided with a through limiting groove 17, a W-shaped elastic sheet 18 is correspondingly arranged in the limiting groove 17, the middle part of the elastic sheet 18 is clamped in the limiting groove 17, two ends of the elastic sheet 18 are respectively correspondingly connected with a limiting slide block 19, one side of the limiting slide block 19 is correspondingly contacted with the inner wall of the upper cover 16, and the other side of the limiting slide block 19 is correspondingly contacted with the outer wall of the guide post 15.
Through setting up the guide unit, reciprocate upper die base 1 and die holder 2 and carry out accurate spacing for the product that the mould made is more accurate. The utility model provides a 15 lower extremes of guide post, upper end, middle part carry out the vertically removal under flexible chamber 13, upper cover, spacing slider 19's spacing respectively, have ensured the accurate butt joint of last mold core in the mould and lower mold core, are showing the precision that has promoted the mould.
The feeding channel 6 sequentially penetrates through the upper die base 1 and the upper die core 3. The material is fed from the feed channel 6.
The bottom of lower bolster 2 corresponds and is equipped with buffer 8, buffer 8 is the polylith of even setting, the bottom and the mould base 9 of buffer 8 correspond and are connected. Through the setting of buffer block, can improve the stability of die holder.
The lower end of the guide post 15 is correspondingly contacted with the inner wall of the telescopic cavity 13. A vertical safety rod 20 is correspondingly arranged at the joint of the guide base 12 and the upper cover 16, and the upper end of the safety rod 20 can be correspondingly contacted with the limit slide block 19. The safety rod 20 can effectively prevent the upper die base 1 from excessively moving downwards to cause collision with the lower die base 2, and damage to the die is avoided.
Although the invention has been shown and described in detail with respect to the preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (5)

1. The utility model provides a mould that precision is strong, includes upper die base (1) and die holder (2), the bottom and the last mold core (3) of upper die base (1) correspond to be connected, the top and the transmission piece (7) of upper die base (1) correspond to be connected, the upper end and the lower mold core (4) of die holder (2) correspond to be connected go up mold core (3) and correspond with lower mold core (4) and be equipped with die cavity (5), die cavity (5) correspond the intercommunication with feedstock channel (6), its characterized in that: a heating ring (10) and a cooling fluid channel (11) are respectively and correspondingly arranged on the outer side of the lower mold core (4), a guide unit is correspondingly arranged between the upper mold base (1) and the lower mold base (2), the guide unit comprises a guide base (12) correspondingly connected with the upper end of the lower mold base (2), the guide base (12) is correspondingly connected with an upper cover (16), and the guide base (12) and the upper cover (16) form a hollow cavity structure;
the upper end of the guide base (12) is correspondingly provided with an open telescopic cavity (13), the bottom of the telescopic cavity (13) is correspondingly provided with a return spring (14), the upper end of the return spring (14) is correspondingly contacted with a rigid rod-shaped guide post (15), the lower end of the guide post (15) is correspondingly inserted into the telescopic cavity (13), the middle of the guide post (15) is correspondingly provided with a through limiting groove (17), a W-shaped elastic sheet (18) is correspondingly arranged in the limiting groove (17), the middle of the elastic sheet (18) is clamped in the limiting groove (17), two ends of the elastic sheet (18) are respectively and correspondingly connected with a limiting slide block (19), one side of the limiting slide block (19) is correspondingly contacted with the inner wall of the upper cover (16), and the other side of the limiting slide block (19) is correspondingly contacted with the outer wall of the guide post (15).
2. A mold according to claim 1, wherein said mold comprises: the feeding channel (6) penetrates through the upper die base (1) and the upper die core (3) in sequence.
3. A mold according to claim 1, wherein said mold comprises: the bottom of lower bolster (2) corresponds and is equipped with buffer block (8), buffer block (8) are the polylith of even setting, the bottom and the mould base (9) of buffer block (8) correspond and are connected.
4. A mold according to claim 1, wherein said mold comprises: the lower end of the guide post (15) is correspondingly contacted with the inner wall of the telescopic cavity (13).
5. A mold according to claim 1, wherein said mold comprises: a vertical safety rod (20) is correspondingly arranged at the joint of the guide base (12) and the upper cover (16), and the upper end of the safety rod (20) can be correspondingly contacted with the limiting slide block (19).
CN202120958721.9U 2021-05-07 2021-05-07 Mould that precision is strong Active CN214773669U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120958721.9U CN214773669U (en) 2021-05-07 2021-05-07 Mould that precision is strong

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120958721.9U CN214773669U (en) 2021-05-07 2021-05-07 Mould that precision is strong

Publications (1)

Publication Number Publication Date
CN214773669U true CN214773669U (en) 2021-11-19

Family

ID=78692072

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120958721.9U Active CN214773669U (en) 2021-05-07 2021-05-07 Mould that precision is strong

Country Status (1)

Country Link
CN (1) CN214773669U (en)

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