CN212976445U - Hole flanging template and hole flanging mould - Google Patents

Abstract

The utility model provides a hole flanging template and hole flanging mould, hole flanging template include first template and setting element, are equipped with a plurality of first connection points that supply the detachable connection of setting element in the first template, and first connection points can enclose into the die cavity of two kind at least specifications on first template. This hole flanging template and hole flanging mould can fix the work piece of multiple size simultaneously, can carry out the hole flanging to the work piece that has different apertures, hole number and pitch-row simultaneously and process, for prior art, can improve production efficiency, the commonality is higher.

Description

Hole flanging template and hole flanging mould

Technical Field

The application relates to the technical field of stamping dies, in particular to a hole flanging template and a hole flanging die.

Background

The stamping die is a kind of technological equipment for processing material into parts or semi-finished products in the stamping process, and is called cold stamping die. Flanging is a stamping process that angles material around an internal bore into a standing flange.

At present, the side plate of the air-conditioning heat exchanger mainly has two hole flanging processing modes: one is hole flanging of a turret punch press, punching and hole flanging are finished at one time, and then bending and forming are carried out on a bending machine; the other is hole flanging forming by opening a refrigeration punching die, and compared with the former, the efficiency is slightly higher and the material waste is less. However, the traditional side plate mold design adopts an independent hole flanging mold cavity structure (only one part is produced by one mold). The potential for using separate mold cavities is: 1. the labor intensity is high (the risk of industrial injury occurs in the process of adjusting the die); 2. high cost (individual parts); 3. the production efficiency is low (frequent die change is required).

In the prior art, generally, one die only has one die cavity, and the ejector pins or the abdicating holes are arranged in the die cavity in a single structure, so that one hole flanging die can only be used for flanging a workpiece of one type, and simultaneous hole flanging of a plurality of workpieces of different shapes cannot be realized, so that the hole flanging efficiency is low, and the universality is poor.

SUMMERY OF THE UTILITY MODEL

The application aims to provide a hole flanging template and a hole flanging die, which are used for solving the problem that the hole flanging die in the prior art cannot simultaneously hole flanging workpieces in different shapes.

Therefore, in a first aspect of the present application, a hole flanging die plate is provided, which includes a first die plate and a positioning element, wherein the first die plate is provided with a plurality of first connection sites for detachably connecting the positioning element, and the first connection sites can enclose a die cavity of at least two specifications on the first die plate.

Because the shapes and the sizes of workpieces of different types are different, a plurality of sets of corresponding hole flanging dies are required to be used in the prior art, and the production cost is high. When the hole flanging template that this application first aspect provided is used for the hole flanging mould, first hookup point can enclose into the die cavity of multiple specification on first template, fixes the work piece of different shapes and/or not unidimensional in the die cavity, carries out the punching press hole flanging to the work piece, can realize the hole flanging simultaneously to the work piece of different shapes, under the condition that the handling capacity is the same, higher for hole flanging mould production efficiency among the prior art, manufacturing cost is lower.

For example, the first attachment site includes: A. b, C, D, E, F, when the first connection sites are arranged in a rectangular array, they may enclose a mold cavity: ACFD, ABED, BCFE, when first connection site does not constitute 3 points collineations, every 3 or more than 3 points can enclose into a die cavity, and the number of combinations greatly increased can fix a position the work piece of multiple shape or size, and the work piece of processing according to actual need is connected the die cavity that sets up and work piece specification adaptation through setting element and first connection site.

In a possible implementation manner of the first aspect of the present application, the mold further includes a plurality of second connection sites, where the second connection sites are detachably connected to the first mold plate, and the second connection sites have at least two kinds of arrangement combinations on the first mold plate.

Through the above possible implementation manner of the first aspect of the present application, according to the number of actually required holes to be flanged, the ejector pins of the corresponding number are connected to the first template through the second connection points, the arrangement manner of the ejector pins corresponds to the holes to be flanged on the workpiece, and the holes to be flanged of different numbers and arrangement manners can be processed through the first template.

In one possible embodiment of the first aspect of the present application, the second attachment sites have at least two spacings.

With the above possible embodiments of the first aspect of the present application, the second connection sites may be arranged uniformly or non-uniformly on the first template, or a plurality of intervals may be arranged crosswise, for example, the second connection sites with the intervals d1 and d2 are arranged crosswise, a combined interval with the interval d3 may be obtained, for example, d1 is 10mm and d2 is 13mm, only the second connection sites with the interval d1 are relied on, only the intervals of 10mm, 20mm, 30mm, … n 10mm (n is the number of intervals) may be obtained, 3 intervals between 10mm and 30mm may be obtained, only the intervals of 13mm, 26mm, 39mm, … n 13mm may be obtained by relying on the second connection sites with the interval d2, 2 intervals between 10mm and 30mm may be obtained, and the combination of d1 and d2 may obtain the intervals of 10mm, 13mm, 20mm, 23mm, 26mm, 33mm, … mm, 10mm and 30mm, the number of the combined intervals is more than the sum of the number of the intervals of two single intervals, so that more types of intervals can be obtained after combination, and hole flanging processing can be conveniently carried out on workpieces with different hole distances.

In one possible embodiment of the first aspect of the present application, the second attachment site is located inside the mold cavity.

Through the aforesaid possible embodiment of this application first aspect, the work piece can set up the reserve volume at hole flanging regional edge usually, and setting element work piece edge butt is fixed a position it, and the regional deviation of work piece hole flanging of same series, different size and shape is little, consequently, can improve the utilization ratio of second hookup point, and when switching the work piece of different specifications, the second hookup point of different positions can participate in processing by turns.

In a possible embodiment of the first aspect of the present application, the second connection site includes a mounting hole, and the thimble is inserted into the mounting hole.

Through the above-mentioned possible embodiment of this application first aspect, the detachable fixed connection of thimble is on the support of mould, be connected with the spring between support and the first template, in the stamping process, the thimble passes the mounting hole and extrudees and to the work piece hole flanging with the work piece contact, after the punching press is accomplished, the support is kept away from to spring promotion first template, the thimble is extracted from the mounting hole gradually, can adopt threaded connection between thimble and the support, or set up the shoulder hole on the support, the thimble is pegged graft in the shoulder hole, the thimble can be swift installs and dismantles on first template, when switching the work piece of different models, can the arrangement overall arrangement of the thimble that the fast switch corresponds.

In one possible embodiment of the first aspect of the present application, the second attachment site has at least two groups and each group is independent of the other.

Through the above possible implementation manner of the first aspect of the present application, when a plurality of workpieces having the same size as the maximum cavity accommodation size need to be processed simultaneously, or only one workpiece can be put down in the cavity at most, at this time, the ejector pins are connected to the second connection points to form a plurality of mutually independent arrays and combinations, and are respectively located in each module cavity, so that the plurality of workpieces can be processed simultaneously.

In one possible embodiment of the first aspect of the present application, the thimble has at least two specifications.

Through the above-mentioned possible implementation of this application first aspect, for example, the diameter variation of thimble, the thimble intercombination of multiple diameter is arranged, can process the hole of unidimensional not in the different positions of work piece to satisfy the work piece hole flanging demand different to different positions aperture.

In a possible implementation manner of the first aspect of the present application, the first connection site includes a positioning hole, and the positioning element is inserted into the positioning hole.

Through the above-mentioned possible embodiment of this application first aspect, the locating hole can set up to the shoulder hole, and the setting element adopts the reference column, and after the setting element inserted the mounting hole, the terminal surface of setting element and the inside stepped surface butt of mounting hole made the setting element fix on first template, and it is convenient to install, when the work piece of switching different models, can the die cavity specification that the fast switch corresponds.

In one possible embodiment of the first aspect of the present application, the first attachment site has at least two groups and each group is independent of the other.

Through the above possible implementation manner of the first aspect of the present application, when a plurality of workpieces having the same size as that of the largest cavity can be simultaneously machined, or when the cavity can only be used for laying down one workpiece at most, the positioning members are connected with a plurality of groups of mutually independent first connecting points to surround a plurality of mutually independent cavities, and the workpieces can be respectively fixed in the plurality of mutually independent cavities, so that the plurality of workpieces can be simultaneously machined.

In the second aspect of the present application, a hole flanging die is provided, including the second template, still include in the first aspect of the present application hole flanging template, be equipped with on the second template with the hole of stepping down that the second hookup point corresponds.

The hole flanging die comprises a support, a first template and a second template, wherein the first template is arranged below the second template in parallel, the second template is connected with the support in a vertical sliding mode, and the first template is connected with the support in a vertical sliding mode. The support is connected with a jackscrew, the jackscrew is in threaded connection with the support, the jackscrew is abutted to the lower surface of the first template, and the jackscrew can drive the first template to move up and down when rotating.

In the hole flanging die provided by the second aspect of the present application, during operation, a workpiece is flatly placed on the upper surface of the first template, so that the hole in the workpiece and the second connection site mark the second connection site corresponding to the workpiece, the jackscrew is rotated to lift the first template upwards, the thimble is taken out from the second connection site which is not marked from the lower part of the first template, the thimble is mounted on the second connection site with the mark, and then the jackscrew is rotated to insert the top end of the thimble into the mounting hole at the second connection site. The second template moves downwards and presses the workpiece and the first template, the first template and the workpiece move downwards together, and the ejector pin moves upwards relative to the first template and penetrates through the mounting hole to perform hole flanging on the workpiece.

The positioning pieces are arranged at the first connecting positions to form die cavities of various specifications, and workpieces of various specifications are fixed. Through the combination of arranging the thimble to the second connection site, can carry out hole flanging to the hole of different quantity, different interval, different diameters on the work piece, for prior art, the hole flanging mould in this application can realize simultaneously carrying out hole flanging to a plurality of, different, the shape of size difference, pitch-row difference, aperture difference, hole number difference, the different work pieces of hole mode of arranging, the commonality is high, machining efficiency is high.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

FIG. 1 is a schematic diagram illustrating a distribution relationship of first connection sites and second connection sites on a first template according to a first embodiment of the present application;

FIG. 2 is a schematic view of two types of workpieces held in two sets of cavities according to one embodiment of the present disclosure;

FIG. 3 is a schematic diagram of an arrangement of first attachment sites in one embodiment of the present application;

FIG. 4 is a schematic representation of another arrangement of first attachment sites in a first embodiment of the present application;

FIG. 5 is a schematic diagram of the arrangement of second attachment sites in the first embodiment of the present application;

FIG. 6 is a schematic view of a hole flanging die structure in the second embodiment of the present application;

fig. 7 is a schematic view illustrating a state of a hole flanging die during hole flanging in the second embodiment of the present application;

fig. 8 is a schematic structural diagram of a second template in the second embodiment of the present application.

Description of reference numerals:

100. a first template; 110. a positioning member; 120. a first attachment site; 130. a mold cavity; 140. a thimble; 150. a second attachment site; 200. a second template; 210. a hole of abdication; 300. a support; 400. carrying out top thread; 500. and (5) a workpiece.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the disclosure, are intended for purposes of illustration only and are not intended to limit the scope of the disclosure.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

It will be understood that when an element is referred to as being "secured to" another element, it can be integral with the other element or can be removably connected to the other element.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Further, it is to be understood that, in the embodiments, the positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "top", "bottom", "one side", "the other side", "one end", "the other end", and the like are based on the positional relationships shown in the drawings; the terms "first," "second," and the like are used herein to distinguish one structural element from another. These terms are merely for convenience in describing the present application and simplifying the description, and should not be construed as limiting the present application.

Fig. 1 is a schematic diagram illustrating a distribution relationship of first connection sites 120 and second connection sites 150 on a first template 100 according to an embodiment of the present application; FIG. 2 is a schematic illustration of two types of workpieces 500 held in two sets of cavities 130 according to one embodiment of the present disclosure; FIG. 3 is a schematic diagram of an arrangement of first attachment sites 120 according to one embodiment of the present disclosure; FIG. 4 is a schematic view of another arrangement of first attachment sites 120 in one embodiment of the present application; FIG. 5 is a schematic diagram of the arrangement of the second attachment sites 150 in the first embodiment of the present application.

As described in the background art, the side plate of the existing air-conditioning heat exchanger mainly has two hole flanging processing modes: one is hole flanging of a turret punch press, punching and hole flanging are finished at one time, and then bending and forming are carried out on a bending machine; the other is hole flanging forming by opening a refrigeration punching die, and compared with the former, the efficiency is slightly higher and the material waste is less. However, in the conventional side panel mold design, a separate hole flanging mold cavity 130 structure is adopted (only one part is produced by one mold). The use of a separate mold cavity 130 presents the following hazards: 1. the labor intensity is high (the risk of industrial injury occurs in the process of adjusting the die); 2. high cost (individual parts); 3. the production efficiency is low (frequent die change is required). For example, a hole flanging die in the prior art generally includes a fixed die (or a fixed die plate), a movable die (or a movable die plate), and an ejector pin 140 (or a punch), the ejector pin 140 is fixed on the fixed die, the movable die is provided with an abdicating hole 210 corresponding to the ejector pin 140, the ejector pin 140 is located in a die cavity 130 on the fixed die, and fixes a workpiece 500 in the die cavity 130, or the ejector pin 140 is fixed on the movable die, the abdicating hole 210 is arranged in the die cavity 130 on the fixed die, the movable die moves towards a direction close to the fixed die to punch the workpiece 500, and the ejector pin 140 performs hole flanging on a through. In the prior art, a mold only has one mold cavity 130, and the ejector pins 140 or the abdicating holes 210 are arranged in the mold cavity 130 in a single structure, so that one hole flanging mold can only be used for flanging one type of workpiece 500. In order to accommodate a variety of types of workpieces 500, some of the retaining structures (e.g., retaining posts) of the hole flanging dies can slide along the stationary die to properly adjust the size of the die cavity 130, but can only be adjusted in a fixed adjustment direction, such as width or length, while the workpieces 500 have a variety of shapes, such as triangular shapes, which cannot be retained by the retaining structures of the prior art hole flanging dies. Different types of workpieces 500 generally need to be reamed at different positions, and the ejector pin 140 generally can only be replaced and changed in section size, so that through holes of different sizes can be reamed, but cannot be reamed at different positions. Therefore, the hole flanging die in the prior art cannot realize simultaneous hole flanging of a plurality of workpieces 500 in different shapes, so that the hole flanging efficiency is low and the universality is poor.

In order to solve the above technical problem, in a first embodiment of the present application, a hole flanging die plate is provided, as shown in fig. 1 and fig. 2, including a first die plate 100 and a positioning member 110, the first die plate 100 is provided with a plurality of first connection sites 120 for detachably connecting the positioning member 110, and the first connection sites 120 can enclose a die cavity 130 with at least two specifications on the first die plate 100.

Since the workpieces 500 of different models are different in shape and size, a plurality of sets of corresponding hole flanging dies are required in the prior art, and the production cost is high. When the hole flanging die plate provided by the embodiment of the application is used for a hole flanging die, the first connecting points 120 can surround the die cavity 130 with various specifications on the first die plate 100, workpieces 500 with different shapes and/or different sizes are fixed in the die cavity 130, punching and hole flanging are performed on the workpieces 500, simultaneous hole flanging on the workpieces 500 with different shapes can be realized, and under the condition that the machining amount is the same, the hole flanging die plate is higher in production efficiency and lower in production cost compared with the hole flanging die in the prior art.

As shown in fig. 3 and 4, for example, the first attachment site 120 includes: A. b, C, D, E, F, when the first connection sites 120 are arranged in a rectangular array, they may enclose a mold cavity 130 as follows: ACFD, ABED, BCFE, when first connection site 120 does not constitute 3 points collineations, every 3 or more than 3 points can enclose into a die cavity 130, and the number of combinations greatly increased can fix a position the work piece 500 of multiple shape or size, according to the work piece 500 of actual need processing, through setting element 110 with first connection site 120 be connected the die cavity 130 that sets up and work piece 500 specification adaptation.

In a possible implementation manner of the first embodiment of the present application, as shown in fig. 6 and fig. 7, the first template 100 further includes a plurality of pins 140, the first template 100 is provided with a plurality of second connection sites 150 for detachably connecting the pins 140, and the second connection sites 150 have at least two arrangements on the first template 100.

Through the above possible implementation manner of the first embodiment of the present application, according to the number of actually required holes to be flanged, the second connection sites 150 connect the corresponding number of the thimbles 140 on the first template 100, the arrangement manner of the thimbles 140 corresponds to the holes to be flanged on the workpiece 500, and holes with different numbers and arrangement manners can be machined through the first template 100.

In one possible implementation of the first embodiment of the present application, as shown in fig. 5, the second connection sites 150 have at least two pitches.

With the above possible implementation manner of the first embodiment of the present application, the second connection sites 150 may be uniformly or non-uniformly arranged on the first template 100, or a plurality of pitches are arranged in a crossing manner, for example, the second connection sites 150 with the pitches d1 and d2 are arranged in a crossing manner, so that a combined pitch with the pitch d3 can be obtained, for example, the pitch d1 is 10mm and the pitch d2 is 13mm, only the pitch d1 is used to obtain the pitches of 10mm, 20mm, 30mm and … n 10mm (n is the number of intervals), 3 pitches between 10mm and 30mm, only the pitch d2 is used to obtain the pitches of 13mm, 26mm, 39mm and … n 13mm, 2 pitches between 10mm and 30mm, and the combination of d1 and d2 can obtain the pitches of 10mm, 13mm, 20mm, 23mm, 26mm, 33mm, … mm and 30mm, the number of the combined pitches is more than the sum of the number of the pitches of two single pitches, so that more types of pitches can be obtained after combination, and hole flanging processing can be conveniently carried out on workpieces 500 with different hole pitches.

In a possible implementation manner of the first embodiment of the present application, the thimble 140 has at least two specifications.

Through the above possible implementation manners of the first embodiment of the present application, for example, the diameters of the ejector pins 140 are different, and the ejector pins 140 with various diameters are mutually combined and arranged, so that holes with different sizes can be processed at different positions of the workpiece 500, thereby meeting the hole flanging requirements of the workpiece 500 with different positions and different hole diameters.

In one possible implementation of the first embodiment of the present application, second attachment site 150 is located inside mold cavity 130.

Through the above possible implementation manner of the first embodiment of the present application, the workpiece 500 usually sets a reserved amount at the edge of the hole flanging area, the positioning element 110 abuts against the edge of the workpiece 500 to position the workpiece, and the deviation of the hole flanging areas of the workpieces 500 in the same series, different sizes and shapes is not large, so that the utilization rate of the second connection points 150 can be improved, and when the workpieces 500 in different specifications are switched, the second connection points 150 in different positions can be alternately involved in processing.

In a possible implementation manner of the first embodiment of the present application, the first connection site 120 includes a positioning hole, and the positioning element 110 is inserted into the positioning hole.

Through the above possible implementation manner of this application embodiment one, the locating hole can set up to the shoulder hole, and setting element 110 adopts the reference column, and after setting element 110 inserted the mounting hole, setting element 110's terminal surface and the inside stepped surface butt of mounting hole made setting element 110 fix on first template 100, and it is convenient to install, when switching the work piece 500 of different models, can the corresponding die cavity 130 specification of fast switch-over.

In one possible implementation of the first embodiment of the present application, the second connection site 150 includes a mounting hole, and the thimble 140 is inserted into the mounting hole.

Through the above possible implementation manner of the first embodiment of the application, the thimble 140 is detachably and fixedly connected to the support 300 of the mold, a spring is connected between the support 300 and the first template 100, during the stamping process, the thimble 140 penetrates through the mounting hole to contact and extrude the workpiece 500 and to hole-flanging the workpiece 500, after the stamping is completed, the spring pushes the first template 100 to be away from the support 300, the thimble 140 is gradually pulled out from the mounting hole, the thimble 140 and the support 300 can be connected by threads, or a stepped hole is formed in the support 300, the thimble 140 is inserted into the stepped hole, the thimble 140 can be quickly installed and detached on the first template 100, and when workpieces 500 of different models are switched, the arrangement layout of the corresponding thimble 140 can be quickly switched.

In one possible implementation manner of the first embodiment of the present application, the first connection site 120 has at least two groups, and each group is independent of each other.

With the above possible implementation manner of the first embodiment of the present application, when a plurality of workpieces 500 having the same size as that accommodated by the maximum cavity 130 are simultaneously machined, or only one workpiece 500 can be laid down in the cavity 130 at most, at this time, the positioning members 110 are connected to the plurality of groups of mutually independent first connecting points 120 to surround the plurality of mutually independent cavities 130, and the workpieces 500 can be respectively fixed in the plurality of mutually independent cavities 130, so that the plurality of workpieces 500 can be simultaneously machined.

In one possible implementation of the first embodiment of the present application, the second connecting site 150 has at least two groups, and each group is independent of each other.

With the above possible implementation manner of the first embodiment of the present application, when a plurality of workpieces 500 having the same size as that accommodated by the maximum cavity 130 need to be processed simultaneously, or the cavity 130 can only be laid down by one workpiece 500 at most, at this time, the pins 140 are connected to the second connection points 150 to form a plurality of independent arrays and combinations, and are respectively located in each set of cavities 130, so that a plurality of workpieces 500 can be processed simultaneously.

FIG. 6 is a schematic view of a hole flanging die structure in the second embodiment of the present application; fig. 7 is a schematic view illustrating a state of a hole flanging die during hole flanging in the second embodiment of the present application; fig. 8 is a schematic structural diagram of a second template 200 according to a second embodiment of the present application.

In the second embodiment of the present application, a hole flanging die is provided, as shown in fig. 6, 7 and 8, which includes a second die plate 200 and a hole flanging die plate in the first embodiment of the present application, and the second die plate 200 is provided with a yielding hole 210 corresponding to the second connection point 150.

The hole flanging die comprises a support 300, a first die plate 100 and a second die plate 200, wherein the first die plate 100 is arranged below the second die plate 200 in parallel, the second die plate 200 is vertically and slidably connected with the support 300, and the first die plate 100 is vertically and slidably connected with the support 300. The top thread 400 is connected to the support 300, the top thread 400 is in threaded connection with the support 300, the top thread 400 is abutted to the lower surface of the first template 100, and the top thread 400 can drive the first template 100 to move up and down when rotating.

In the hole flanging die provided in the second embodiment of the present application, during operation, the workpiece 500 is flatly placed on the upper surface of the first template 100, the holes in the workpiece 500 are aligned with the second connection sites 150, the second connection sites 150 corresponding to the workpiece 500 are marked, the jackscrew 400 is rotated to lift the first template 100 upward, the thimble 140 is taken out from the second connection sites 150 which are not marked from the lower side of the first template 100, the thimble 140 is mounted on the second connection sites 150 which have marks, and then the jackscrew 400 is rotated to insert the top end of the thimble 140 into the mounting hole at the second connection sites 150. The second die plate 200 moves downward and presses the workpiece 500 and the first die plate 100, the first die plate 100 moves downward together with the workpiece 500, and the ejector pin 140 moves upward relative to the first die plate 100 through the mounting hole to pierce the workpiece 500.

By arranging the positioning members 110 at the first connection sites 120, the mold cavities 130 with various specifications can be formed, and the workpieces 500 with various specifications can be fixed. Through second hookup point 150 permutation and combination to thimble 140, can carry out hole flanging to the hole of different quantity, different interval, different diameter on the work piece 500, for prior art, the hole flanging mould in this application can realize carrying out the hole flanging to a plurality of, the size is different, the shape is different, the pitch-row is different, the aperture is different, the hole number is different, the work piece 500 that the hole arranged the mode difference simultaneously, the commonality is high, machining efficiency is high.

The "specification" above includes shape and size.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims (10)

1. The hole flanging template comprises a first template (100) and a positioning piece (110), and is characterized in that a plurality of first connecting points (120) for the positioning piece (110) to be detachably connected are arranged on the first template (100), and the first connecting points (120) can surround a die cavity (130) with at least two specifications on the first template (100).

2. The hole flanging die plate of claim 1, further comprising a plurality of pins (140), wherein the first die plate (100) is provided with a plurality of second connecting points (150) for the pins (140) to be detachably connected, and the second connecting points (150) have at least two arrangements on the first die plate (100).

3. The hole flanging template of claim 2, wherein the second connection sites (150) have at least two pitches.

4. The hole flanging die plate of claim 2, wherein the second connection site (150) is located inside the die cavity (130).

5. The hole flanging die plate of claim 2, wherein the second connection site (150) comprises a mounting hole, and the thimble (140) is inserted into the mounting hole.

6. The hole flanging template of claim 2, wherein the second connection sites (150) have at least two groups, each group being independent of the other.

7. The hole flanging die plate of claim 2, wherein said ejector pins (140) have at least two sizes.

8. The hole flanging die plate as claimed in any one of claims 1 to 7, wherein the first connecting site (120) comprises a positioning hole, and the positioning member (110) is inserted into the positioning hole.

9. The hole flanging die plate of any one of claims 1 to 7, wherein the first connecting sites (120) have at least two groups, and each group is independent of the other group.

10. A hole flanging die comprising a second die plate (200), characterized in that it further comprises the hole flanging die plate of any one of claims 2 to 9, said second die plate (200) being provided with relief holes (210) corresponding to said second connection sites (150).

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