CN218340677U

CN218340677U - Extrusion die structure

Info

Publication number: CN218340677U
Application number: CN202221398229.1U
Authority: CN
Inventors: 朱泽军; 朱世安; 韦杰宝
Original assignee: Guangdong Jingmei Special Profile Co ltd
Current assignee: Guangdong Haomei Precision Manufacturing Co ltd
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2023-01-20
Anticipated expiration: 2032-06-06

Abstract

The utility model discloses a special extrusion die structure, including last die body, be located the lower die body of die body bottom and be located the processing benchmark groove of die body and lower die body one end, go up the die body including setting up at the inside multicomponent bridge of last die body, and the intermediate position department of going up the die body inside is provided with first work area, sets up the drainage groove in the first work area outside, and the inside of going up the die body is provided with multiunit feed hole, sets up at first work area bottom outside neck position dead knife, and the outside on first work area top is provided with head position dead knife. The utility model discloses a diffluence orifice aluminium metal falls into inside a plurality of strands of metal flow in mould, lets the mould have better hardenability through quenching the hole, makes the whole hardness of mould improve, separates the aluminium metal at extruded in-process through the reposition of redundant personnel bridge, and reposition of redundant personnel bridge charge level department does not design the decompression angle, can improve the seam pressure, and the reposition of redundant personnel bridge falls the bridge and falls the point, reduces the seam angle of two strands of aluminium in the diffluence orifice, improves the seam quality of product.

Description

Extrusion die structure

Technical Field

The utility model relates to an extrusion die technical field specifically is a special extrusion die structure.

Background

The automobile shock absorber aluminum profile is a main stress structural part of an automobile, so that the automobile shock absorber aluminum profile has high mechanical property requirements, a die form of a split combined die is adopted when the automobile shock absorber aluminum profile is produced by aluminum extrusion, and aluminum metal is formed after being divided by a die bridge in the die and then welded in a welding chamber.

Most of the existing extrusion dies inevitably produce welding seams in products in the processing process, and the welding seams are cracked and damaged firstly in the stress process of sectional materials, so that the production of the dies with the welding quality up to the standard is difficult to produce, and the production quality of the dies is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an extrusion die structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an extrusion die structure, includes the die body, is located the lower die body of die body bottom and is located the processing benchmark groove of die body and lower die body one end, go up the die body and include:

the multi-group flow dividing bridge is arranged in the upper die body, and a first working belt is arranged in the middle of the inner part of the upper die body;

the drainage groove is arranged on the outer side of the first working belt, and a plurality of groups of material supply holes are formed in the upper die body;

the neck empty cutter is arranged outside the bottom end of the first working tape, and the head empty cutter is arranged outside the top end of the first working tape; and

and the multi-component flow hole is formed in the top of the upper die body, and the bottom of the upper die body is provided with an anti-deviation pin block.

Preferably, the outer sides of the upper die body and the lower die body are provided with positioning pins, the top end of the inner portion of the lower die body is provided with a welding chamber, the top portion of the lower die body is provided with an anti-deviation pin slot, the bottom end of the inner portion of the welding chamber is provided with a second working zone, one side of the inner portion of the welding chamber is provided with a stop block, the top end of the inner portion of the second working zone is provided with an electroerosion hollow cutter, and the bottom end of the inner portion of the second working zone is provided with a rear hollow cutter.

Preferably, the inside of going up the die body and the lower die body all is provided with the multiunit screw hole, the outside of going up the die body bottom is provided with the multiunit pin, the outside at die body top is provided with multiunit pin hole down, the inside of going up die body and lower die body all is provided with the quenching hole, the top in going up the die body outside and the bottom of the outer side of lower die body all are provided with the cooperation tang, the outside of going up die body and lower die body all is provided with the word code groove, the outside of going up die body and lower die body all is provided with the multiunit hole for hoist.

Preferably, first work area and reposition of redundant personnel bridge welded connection, first work area is through reposition of redundant personnel bridge and last mould body fixed connection, the drainage groove is linked together with the reposition of redundant personnel hole, the figure of preventing the eccentric round pin piece sets up to two sets of, and two sets of prevent the eccentric round pin piece all with last mould body fixed connection.

Preferably, the outer sides of the upper die body and the lower die body are provided with fixing rods, the positioning pins are fixedly connected with the upper die body and the lower die body through the fixing rods, the deviation-preventing pin blocks are matched with the deviation-preventing pin grooves, and the deviation-preventing pin blocks are detachably connected with the lower die body through the deviation-preventing pin grooves.

Preferably, the figure of pin sets up to two sets ofly, and two sets of pins and last mould body welded connection, pin and pin hole phase-match, the pin passes through the pin hole and can dismantle with the lower mould body and be connected.

Preferably, the upper die body is in limit connection with the lower die body through a pin and a pin hole, and the upper die body is detachably connected with the lower die body through an anti-deviation pin block and an anti-deviation pin groove.

Preferably, the number of quenching holes is two sets of, and two sets of quenching holes run through to the inside of die body and lower die body, first work band passes through second work band and can dismantle with lower die body and be connected.

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

the utility model discloses a diffluence hole aluminium metal falls into inside a plurality of strands of metal flow in mould, let the mould have better hardenability through quenching the hole, make the whole hardness of mould improve, separate the aluminium metal at extruded in-process through the reposition of redundant personnel bridge, reposition of redundant personnel bridge charge level department does not design the decompression angle, can improve the seam pressure, reposition of redundant personnel bridge falls the bridge and falls the point, reduce the seam angle of two strands of aluminium in the diffluence hole, improve the seam quality of product, it flows to guide the aluminium metal through the drainage groove, the seam room through taking the inclination forms the little horn structure that falls of the big ejection of compact of feeding in extrusion production, increase the extrusion force, can not form the metal blind spot that does not flow in the seam, first work area is used for forming the cavity part of section bar, with the shape and size of second work area cooperation control extrusion product, adopt long work band structure, improve the seam pressure of section bar, guarantee that the section bar reaches the seam requirement.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the upper mold body of the present invention.

Fig. 3 is a schematic view of a partial structure of the upper mold body of the present invention.

Fig. 4 is a schematic structural view of the lower mold body of the present invention.

Fig. 5 is a schematic view of a partial structure of the lower mold body of the present invention.

In the figure: 1. an upper die body; 101. a shunt bridge; 102. a first working band; 103. a drainage groove; 104. a feed aperture; 105. a neck empty knife; 106. the head position is empty; 107. a shunt hole; 108. an anti-offset pin block; 2. a lower die body; 201. positioning a pin; 202. a welding chamber; 203. an anti-deviation pin slot; 204. a second working band; 205. A stopper; 206. an electroerosion hollow cutter; 207. then cutting; 3. processing a reference groove; 301. a screw hole; 302. A pin; 303. a pin hole; 304. quenching holes; 305. matching the spigot; 306. a character code slot; 307. and (6) hoisting holes.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Example 1

Referring to fig. 1-5, the present invention provides an embodiment of an extrusion mold structure: the utility model provides an extrusion die structure, including last die body 1, be located the lower die body 2 of 1 bottom of last die body and be located the processing benchmark groove 3 of last die body 1 and lower die body 2 one end, it includes setting up the inside multicomponent reposition of redundant personnel bridge 101 of last die body 1 to go up die body 1, and the intermediate position department of going up die body 1 inside is provided with first work area 102, set up drainage groove 103 in first work area 102 outside, and the inside of going up die body 1 is provided with multiunit feed hole 104, set up in first work area 102 bottom outside neck position dead knife 105, accelerate the velocity of flow of metal at last die core, and the outside on first work area 102 top is provided with head position dead knife 106, can let go up die body 1 and break away from the work area, and set up the multicomponent discharge orifice 107 at last die body 1 top, the flow channel of aluminium metal in the mould, divide into a plurality of strands of metals to the aluminium metal, and the bottom of going up die body 1 is provided with anti-off-set block 108.

Example 2

Please refer to fig. 1, fig. 4 and fig. 5, the outer sides of the upper die body 1 and the lower die body 2 are both provided with a positioning pin 201, the top end of the inner part of the lower die body 2 is provided with a welding chamber 202, an inverted horn structure with large feeding and small discharging is formed in the extrusion production, the extrusion force is increased, no metal dead zone which does not flow in the welding process is formed, the top of the lower die body 2 is provided with an anti-deviation pin slot 203, the bottom end of the inner part of the welding chamber 202 is provided with a second working belt 204, one side of the inner part of the welding chamber 202 is provided with a stop block 205, the flowing speed of the metal at the position in the die is slowed down, the stability of the discharging of the section bar is adjusted, the top end of the inner part of the second working belt 204 is provided with an electroerosion hollow knife 206, and the bottom end of the inner part of the second working belt 204 is provided with a rear hollow knife 207.

Example 3

Please refer to fig. 2 and fig. 4, the inner parts of the upper mold body 1 and the lower mold body 2 are all provided with a plurality of screw holes 301, the upper mold body 1 and the lower mold body 2 are connected by bolts through the screw holes 301, the outer side of the bottom of the upper mold body 1 is provided with a plurality of pins 302, the outer side of the top of the lower mold body 2 is provided with a plurality of pin holes 303, so that the upper mold body 1 and the lower mold body 2 can be conveniently positioned, the inner parts of the upper mold body 1 and the lower mold body 2 are all provided with quenching holes 304, the top end of the outer side of the upper mold body 1 and the bottom end of the outer side of the lower mold body 2 are both provided with matching rabbets 305, the outer sides of the upper mold body 1 and the lower mold body 2 are both provided with character code grooves 306, and the outer sides of the upper mold body 1 and the lower mold body 2 are both provided with a plurality of hoisting holes 307.

Referring to fig. 2, 4 and 5, the number of the pins 302 is two, and the two sets of pins 302 are welded to the upper mold body 1, the pins 302 are matched with the pin holes 303, and the pins 302 are detachably connected to the lower mold body 2 through the pin holes 303 to connect and position the upper mold body 1 and the lower mold body 2.

Referring to fig. 2, 4 and 5, the number of the quenching holes 304 is two, and the two groups of the quenching holes 304 penetrate through the upper mold body 1 and the lower mold body 2, so that the mold has better hardenability, the overall hardness of the mold is improved, and the first working band 102 is detachably connected with the lower mold body 2 through the second working band 204.

Example 4

Please refer to fig. 1 and fig. 2, the first working band 102 is welded to the shunting bridge 101, the first working band 102 is fixedly connected to the upper die body 1 through the shunting bridge 101, the feeding surface of the shunting bridge 101 is not designed with a pressure reducing angle, which can increase the welding pressure, the shunting bridge 101 is inverted and sharp, which reduces the welding angle of two strands of aluminum in the shunting hole, improves the welding quality of the product, the flow guiding slot 103 is communicated with the shunting hole 107, the number of the anti-deviation pin blocks 108 is set to two, and the two sets of anti-deviation pin blocks 108 are fixedly connected to the upper die body 1.

Please refer to fig. 1, fig. 2 and fig. 4, the outer sides of the upper mold body 1 and the lower mold body 2 are both provided with a fixing rod, the positioning pin 201 is fixedly connected with the upper mold body 1 and the lower mold body 2 through the fixing rod to fix the positioning pin 201 for positioning the circumferential position during the mold production, the deviation-preventing pin 108 is matched with the deviation-preventing pin groove 203, and the deviation-preventing pin 108 is detachably connected with the lower mold body 2 through the deviation-preventing pin groove 203, so as to prevent the radial swing of the upper mold body 1 and the lower mold body 2.

Please refer to fig. 1, fig. 3 and fig. 4, the upper mold body 1 is connected with the lower mold body 2 in a limiting manner through the pin 302 and the pin hole 303, the upper mold body 1 and the lower mold body 2 are connected and positioned, and the upper mold body 1 is detachably connected with the lower mold body 2 through the anti-deviation pin 108 and the anti-deviation pin slot 203, so that the better splicing effect of the mold is realized.

The working principle is as follows: before the utility model is used, the mould is hoisted through the hoisting hole 307, the positioning pin 201 is mutually matched with the pin in the mould sleeve for positioning the circumferential position of the mould during production, the upper mould body 1 and the lower mould body 2 can be prevented from radial swinging through the mutual matching of the deviation-proof pin block 2 and the deviation-proof pin groove 203, the upper mould body 1 and the lower mould body 2 are connected and positioned through the pin 302 and the pin hole 303, the matching seam allowance 305 is used for radially fixing the upper mould body 1 and the lower mould body 2, the splicing effect of the upper mould body 1 and the lower mould body 2 is better, when in use, the aluminum metal is divided into a plurality of strands through the diffluence hole 107 and flows into the inside of the mould, the mould has better hardenability through the quenching hole 304, and the integral hardness of the mould is improved, separate the aluminium metal at extruded in-process through reposition of redundant personnel bridge 101, reposition of redundant personnel bridge 101 charge-in face department does not design the decompression angle, can improve the seam pressure, reposition of redundant personnel bridge 101 falls the bridge and falls the point, reduce the seam angle of two strands of aluminium in the reposition of redundant personnel hole, improve the seam quality of product, it flows to guide the aluminium metal through drainage groove 103, the chamber 202 that welds through taking the inclination forms the little structure of the little inverted horn of the big ejection of compact of feeding in extrusion production, increase the extrusion force, can not form the metal blind spot that does not flow in the seam, first working tape 102 is used for forming the cavity part of section bar, with the shape and size of second 204 working tape cooperation control extrusion product, adopt long work tape structure, improve the seam pressure of section bar, guarantee that the section bar reaches the seam requirement for quality.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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

1. An extrusion die structure, its characterized in that: including last die body (1), be located lower die body (2) of last die body (1) bottom and be located processing benchmark groove (3) of last die body (1) and lower die body (2) one end, go up die body (1) and include:

the multi-component flow dividing bridge (101) is arranged in the upper die body (1), and a first working belt (102) is arranged in the middle position in the upper die body (1);

the drainage groove (103) is arranged at the outer side of the first working belt (102), and a plurality of groups of feeding holes (104) are formed in the upper die body (1);

a neck idle cutter (105) is arranged outside the bottom end of the first working belt (102), and a head idle cutter (106) is arranged outside the top end of the first working belt (102); and

the multi-component flow hole (107) is arranged at the top of the upper die body (1), and the bottom of the upper die body (1) is provided with an anti-deviation pin block (108).

2. An extrusion die structure as defined in claim 1, wherein: the outer sides of the upper die body (1) and the lower die body (2) are provided with positioning pins (201), the top end of the inner portion of the lower die body (2) is provided with a welding chamber (202), the top of the lower die body (2) is provided with an anti-deviation pin slot (203), the bottom end of the inner portion of the welding chamber (202) is provided with a second working tape (204), one side of the inner portion of the welding chamber (202) is provided with a stop block (205), the top end of the inner portion of the second working tape (204) is provided with an electric erosion hollow cutter (206), and the bottom end of the inner portion of the second working tape (204) is provided with a rear hollow cutter (207).

3. An extrusion die structure according to claim 2, wherein: go up the inside of die body (1) and lower die body (2) and all be provided with multiunit screw hole (301), the outside of going up die body (1) bottom is provided with multiunit pin (302), the outside at die body (2) top is provided with multiunit pin hole (303) down, the inside of going up die body (1) and lower die body (2) all is provided with quenching hole (304), the top in going up die body (1) outside and the bottom in die body (2) outside down all are provided with cooperation tang (305), the outside of going up die body (1) and lower die body (2) all is provided with word code groove (306), the outside of going up die body (1) and lower die body (2) all is provided with multiunit hole for hoist (307).

4. An extrusion die structure as defined in claim 1, wherein: first work area (102) and reposition of redundant personnel bridge (101) welded connection, first work area (102) are through reposition of redundant personnel bridge (101) and last mould body (1) fixed connection, drainage groove (103) are linked together with reposition of redundant personnel hole (107), the figure of preventing inclined to one side round pin piece (108) sets up to two sets ofly, and two sets of inclined to one side round pin piece (108) all with last mould body (1) fixed connection.

5. An extrusion die structure according to claim 2, wherein: go up the outside of die body (1) and lower die body (2) and all be provided with the dead lever, dowel (201) through dead lever and last die body (1) and lower die body (2) fixed connection, prevent that inclined to one side cotter piece (108) and prevent inclined to one side cotter way (203) phase-match, prevent that inclined to one side cotter piece (108) can dismantle with lower die body (2) and be connected through preventing inclined to one side cotter way (203).

6. An extrusion die structure according to claim 3, wherein: the utility model discloses a mould, the figure of pin (302) sets up to two sets ofly, and two sets of pin (302) and last mould body (1) welded connection, pin (302) and cotter hole (303) phase-match, pin (302) can be dismantled with lower mould body (2) through cotter hole (303) and be connected.

7. An extrusion die structure according to claim 3, wherein: the upper die body (1) is in limit connection with the lower die body (2) through a pin (302) and a pin hole (303), and the upper die body (1) is detachably connected with the lower die body (2) through an anti-deviation pin block (108) and an anti-deviation pin groove (203).

8. An extrusion die structure according to claim 3, wherein: the number of quenching holes (304) is two sets of, and two sets of quenching holes (304) run through to inside die body (1) and lower die body (2), first work area (102) are connected with lower die body (2) can be dismantled through second work area (204).