CN214184841U

CN214184841U - Small-size half-opening section bar side cut mould structure

Info

Publication number: CN214184841U
Application number: CN202023219953.7U
Authority: CN
Inventors: 万维宏
Original assignee: Wuhan Jianhai Precision Section Bar Development Co ltd
Current assignee: Wuhan Jianhai Precision Section Bar Development Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-09-14
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses a small-sized half-open section trimming die structure, which comprises an upper die plate, an upper die striking rod, a lower die plate, a male die, a female die and a positioning block; the male die, the female die and the positioning block are arranged on the lower die plate and enclose to form an accommodating space; positioning blocks are arranged on the left side and the right side of the accommodating space; the lower end of the male die is connected with the lower die plate through an elastic piece, a backward limiting surface is formed on the male die, upper blade parts positioned in the groove of the product are arranged on the left side surface and the right side surface of the upper end of the male die, and the male die is convexly provided with an abutting part upwards; the female die is provided with two lower blade parts positioned below the product; the upper end of the upper die striking rod is arranged on the upper die plate, and the lower end of the upper die striking rod is vertically opposite to the abutting part. The utility model provides an among the technical scheme, go up the mould and drive the lower mould motion through last mould knockout pin, die-cut back warp and burr outwards, the smear metal directly drops and does not pile up, and this mould structure can be applicable to the stable processing of small-size semi-open section bar side cut to the mould maintenance is convenient, with low costs.

Description

Small-size half-opening section bar side cut mould structure

Technical Field

The utility model relates to a section bar processing technology field, in particular to small-size half opening section bar side cut mould structure.

Background

For a half-open section bar represented by C-section steel, when an open edge portion is partially cut off (as shown in fig. 1 and 2), if a conventional die cutting method is employed: placing the product die-cut with the C-shaped opening facing upwards can bring three difficult difficulties to overcome: 1. the size of the section is required to be large enough, or the strength of the lower die is limited by the size and is insufficient, frequent breakage causes or cannot be realized at all, and batch production cannot be realized; 2. secondly, the stamping deformation area and the stamping burrs face the inside of the section bar in the processing mode, so that assembly is influenced, and extra working procedures are required to be added for repairing and removing; 3. the chips cannot be normally removed, and an auxiliary tool is required.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's weak point, provide a new mould structure, can apply to the side cut processing of small-size half-open section bar, possess the ability of stabilizing batch production.

The utility model provides a small-sized half-open section trimming die structure, which comprises an upper die plate, an upper die striking rod, a lower die plate, a male die, a female die and a positioning block;

the male die, the female die and the positioning block are arranged on the lower die plate and enclose to form an accommodating space, and the accommodating space is used for enabling one end of a product with a downward notch to be inserted forwards;

the left side and the right side of the accommodating space are provided with the positioning blocks for limiting the product left and right;

the lower end of the male die is connected with the lower die plate through an elastic part, a backward limiting surface is formed on the male die and used for limiting a product forward, upper blade parts located in a groove of the product are arranged on the left side surface and the right side surface of the upper end of the male die, an abutting part is convexly arranged on the male die upwards and is located on the front side of the limiting surface;

the female die is provided with two lower edge parts positioned below a product, and the two lower edge parts are respectively positioned right below the two upper edge parts of the male die;

the upper die plate can move up and down relative to the lower die plate, the upper end of the upper die striking rod is arranged on the upper die plate, and the lower end of the upper die striking rod is vertically opposite to the abutting part;

under the condition that the upper die plate is at the lower limit position, the lower end of the upper die striking rod is abutted to the abutting portion, the two upper blade portions are respectively close to the two lower blade portions, and the elastic piece is in a compressed state.

Optionally, the resilient member is a spring.

Optionally, the die further comprises an upper die limiting column, and the upper end of the upper die limiting column is arranged on the upper die plate;

and under the condition that the upper template is at the lower limit position, the lower end of the upper die limiting column is abutted against the lower template.

Optionally, two male dies and two upper die striking rods are arranged in a one-to-one correspondence manner and used for forming two accommodating spaces; the two male dies are opposite to each other at a left-right interval.

Optionally, the positioning blocks include a first positioning block, a second positioning block and a third positioning block;

the first positioning block, the second positioning block and the third positioning block are arranged at intervals in the left-right direction, one of the two male dies is located between the first positioning block and the second positioning block, and the other male die is located between the second positioning block and the third positioning block.

Optionally, the female die comprises a first female die block, a second female die block and a third female die block;

the first concave die block, the second concave die block and the third concave die block are arranged at intervals in the left-right direction, one of the two convex dies is positioned between the first concave die block and the second concave die block, and the other convex die is positioned between the second concave die block and the third concave die block;

the upper right end of first concave module is provided with the lower cutting part, the upper left end and the upper right end of second concave module all are provided with the lower cutting part, the upper left end of third concave module all is provided with the lower cutting part.

The utility model provides an among the technical scheme, go up the mould and drive the lower mould motion through last mould knockout pin, die-cut back warp and burr outwards, the smear metal directly drops and does not pile up, and this mould structure can be applicable to the stable processing of small-size semi-open section bar side cut to the mould maintenance is convenient, with low costs.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is one of the schematic structural views of a product;

FIG. 2 is a second schematic structural diagram of the product;

fig. 3 is a schematic structural view of an embodiment of a small-sized half-open profile trimming die structure provided by the present invention;

FIG. 4 is a partial structural schematic view of the trimming die structure of the small and medium-sized half-open section bar in FIG. 1;

FIG. 5 is a schematic structural diagram of the structure of FIG. 4 from another perspective;

FIG. 6 is a schematic view of the structure of the male mold of FIG. 4;

FIG. 7 is a schematic structural view of the female mold of FIG. 4;

the reference numbers illustrate: the small-size half-opening section bar side cut die structure 100, an upper die plate 1, an upper die striking rod 2, a lower die plate 3, a male die 4, an upper blade portion 41, an abutting portion 42, a female die 5, a first female die block 5a, a second female die block 5b, a third female die block 5c, a lower blade portion 51, a positioning block 6, a first positioning block 6a, a second positioning block 6b, a third positioning block 6c, an elastic piece 7, an upper die limiting column 8 and a product 200.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

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 efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a small-size half-open section bar side cut mould structure, figure 3 to figure 7 do the utility model provides an embodiment of small-size half-open section bar side cut mould structure.

Specifically, as shown in fig. 3 to 5, in the present embodiment, the small-sized half-open profile trimming die structure 100 includes an upper die including an upper die plate 1 and an upper die striking rod 2, and a lower die including a lower die plate 3, a male die 4, a female die 5, and a positioning block 6.

As shown in fig. 3 to 5, the male die 4, the female die 5 and the positioning block 6 are arranged on the lower die plate 3 and enclose to form an accommodating space for inserting one end of the product 200 with the downward notch forward; the left side and the right side of the accommodating space are provided with positioning blocks 6 for limiting the product 200 left and right; the lower end of the male die 4 is connected with the lower die plate 3 through the elastic part 7, a backward limiting surface is formed on the male die 4 and used for limiting the product 200 forward, the left side surface and the right side surface of the upper end of the male die 4 are both provided with upper blade parts 41 positioned in the groove of the product 200, the male die 4 is upwards convexly provided with an abutting part 42, and the abutting part 42 is positioned on the front side of the limiting surface; the female die 5 is provided with two lower blade portions 51 located below the product 200, the two lower blade portions 51 are located directly below the two upper blade portions 41 of the male die 4 respectively, wherein the elastic member 7 may be a spring or the like, the upper side of the lower die plate 3 is provided with a mounting groove, the female die 5 and the elastic member 7 are arranged in the mounting groove, the positioning block 6 is arranged on the upper side of the lower die plate 3, and part of the lower side surface of the positioning block 6 abuts against the upper side surface of the female die 5.

As shown in fig. 3 to 5, the upper die plate 1 is movable up and down with respect to the lower die plate 3, the upper end of the upper die knock-out lever 2 is provided to the upper die plate 1, and the lower end of the upper die knock-out lever 2 is vertically opposed to the abutting portion 42; when the upper die plate 1 is at the lower limit position, the lower end of the upper punch pin 2 abuts against the abutment portion 42, the two upper blades 41 are respectively brought close to the two lower blades 51, and the elastic piece 7 is in a compressed state. The product 200 is tightly attached to the lower template 3 and inserted into an accommodating space formed by the male die 4, when the upper die of the die moves downwards, the upper die striking rod 2 contacts the abutting part 42 of the male die 4 to continue moving downwards, and the edge is cut in the downward process; after punching, the upper die is lifted, and the male die 4 is reset under the action of the elastic piece 7 below.

The utility model provides an among the technical scheme, go up the mould and drive the lower mould motion through last mould knockout pin 2, die-cut back is out of shape and burr outwards, and the smear metal directly drops and does not pile up, and this mould structure can be applicable to the stable processing of small-size half-open section bar side cut to the mould maintenance is convenient, with low costs.

As shown in fig. 3, in the present embodiment, the small-sized half-open profile trimming die structure 100 further includes an upper die retaining pillar 8, and an upper end of the upper die retaining pillar 8 is disposed on the upper die plate 1; when the upper template 1 is at the lower limit position, the lower end of the upper die limiting column 8 is abutted against the lower template 3. The upper die limit column 8 can limit the lower limit position of the upper die.

As shown in fig. 5 to 7, in the present embodiment, two punches 4 are provided in one-to-one correspondence with the upper punch pins 2 for forming two accommodation spaces; the two male dies 4 are opposite to each other at a left-right interval.

As shown in fig. 5 to 7, in the present embodiment, the positioning block 6 includes a first positioning block 6a, a second positioning block 6b and a third positioning block 6 c; the first positioning block 6a, the second positioning block 6b and the third positioning block 6c are arranged at intervals in the left-right direction, one of the two punches 4 is positioned between the first positioning block 6a and the second positioning block 6b, and the other is positioned between the second positioning block 6b and the third positioning block 6 c.

As shown in fig. 5 to 7, in the present embodiment, the female mold 5 includes a first female mold piece 5a, a second female mold piece 5b, and a third female mold piece 5 c; the first concave mould block 5a, the second concave mould block 5b and the third concave mould block 5c are arranged at intervals along the left-right direction, one of the two convex moulds 4 is positioned between the first concave mould block 5a and the second concave mould block 5b, and the other one is positioned between the second concave mould block 5b and the third concave mould block 5 c; the upper right end of the first female module 5a is provided with a lower blade 51, the upper left end and the upper right end of the second female module 5b are both provided with a lower blade 51, and the upper left end of the third female module 5c is both provided with a lower blade 51.

Two processing stations are formed on the lower die of the small-sized half-opening profile trimming die structure 100, so that the processing of two products can be simultaneously completed in the one-time die closing process of the small-sized half-opening profile trimming die structure 100.

The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims

1. A small-sized half-opening section trimming die structure is characterized by comprising an upper die plate, an upper die striking rod, a lower die plate, a male die, a female die and a positioning block;

2. The small form factor half split profile trim die structure of claim 1, wherein said resilient member is a spring.

3. The small-sized half-open profile trimming die structure according to claim 1, further comprising an upper die limiting column, wherein the upper end of the upper die limiting column is arranged on the upper die plate;

4. The small-sized half-open profile trimming die structure according to claim 1, wherein two male dies are provided in one-to-one correspondence with the upper die knock-out pins for forming two of the accommodating spaces; the two male dies are opposite to each other at a left-right interval.

5. The small-sized half-open profile trimming die structure according to claim 4, wherein the positioning blocks comprise a first positioning block, a second positioning block and a third positioning block;

6. The small half-open profile trimming die structure according to claim 4, wherein the female die comprises a first female die block, a second female die block and a third female die block;