CN210231192U - Punching die structure of side wall hole - Google Patents
Punching die structure of side wall hole Download PDFInfo
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- CN210231192U CN210231192U CN201920454044.XU CN201920454044U CN210231192U CN 210231192 U CN210231192 U CN 210231192U CN 201920454044 U CN201920454044 U CN 201920454044U CN 210231192 U CN210231192 U CN 210231192U
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Abstract
The utility model provides a punching die structure of a side wall hole, which comprises a male die fixing block and a female die, wherein the upper end of the male die fixing block is arranged as a die shank and is connected with the bottom of the upper end of a driving mechanism, and the side surface of the lower end of the male die fixing block is connected with a male die; the upper end face of the female die is provided with a positioning groove for positioning the outer side face of the shell part, and the bottom of the positioning groove and the side face of the female die are both provided with large square holes for leaking materials; the two sides of the concave hole are respectively provided with a guide positioning groove; the lower end surface of the positioning discharging plate is provided with a bulge; the bulge of the positioning stripper corresponds to the positioning groove of the female die to form a gap, and the gap forms the shape of the inner cavity and the outer cavity of the shell part. The utility model discloses a mode of punching a hole is novel, and mould structural design is reasonable ingenious, through production practice, and punching quality and precision are high, have ensured the smooth no burr that levels in the inside and outside two-sided edge of punching a hole of casing finished piece, can satisfy the requirement for quality of actual production part with this.
Description
Technical Field
The utility model relates to a cut-out press structure in side boundary hole belongs to stamping die manufacturing and designing technical field.
Background
The shell part punches a hole, and the traditional design concept of the widely adopted punching die is that the female die is arranged inside the shell, and the male die is punched into the female die from top to bottom. When the square hole is located on the side wall of a workpiece and one side of the square hole is overlapped with the side wall, the female die is limited by the inner side surface of the shell and cannot form an effective shearing knife edge with the male die, so that the overlapped surface of the hole and the side wall can only be torn and formed under the action of blanking force in the blanking process, the surface has obvious burr flanging, and the surface quality is extremely poor, so that the part is rejected unqualifiedly.
At present, the punching process can only be adjusted to be that after a puncher punches a pre-hole, a wire cutting square hole is cut for forming. Although the problem of uneven side wall of the square hole is solved, in actual production, as the square hole of the part has more processing procedures and long period, at least 40 minutes is needed for processing one part, the problems of low efficiency, high processing cost and the like exist. Therefore, the punching process and the die design structure still need to be designed and changed, and the high-speed production is carried out by adopting the punching mode.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a cut-out press structure in side boundary hole, this cut-out press structure in side boundary hole is favorable to realizing the automation, and machining efficiency is high, and its structural design is reasonable and be superior to traditional cut-out press structure and manufacturing process method, has guaranteed the appearance quality and the shaping in shell side boundary hole.
The utility model discloses a following technical scheme can realize.
The utility model provides a punching die structure of side wall hole, which comprises a male die fixing block and a female die, wherein the upper end of the male die fixing block is arranged as a die shank, and the side surface of the lower end of the male die fixing block is connected with a male die; the upper end face of the female die is provided with a positioning groove for positioning the outer side face of the shell part, and the bottom of the positioning groove and the side face of the female die are both provided with large square holes for leaking materials; the positioning discharging plate is arranged on the upper side of the female die, matched concave holes are formed in the positions, corresponding to the positioning grooves, of the positioning discharging plate, and guide positioning grooves are formed in the two sides of each concave hole respectively; the lower end surface of the positioning discharging plate is provided with a bulge; the bulge of the positioning stripper corresponds to the positioning groove of the female die to form a gap, and the gap forms the shape of the inner cavity and the outer cavity of the shell part.
One end of the male die is provided with a forming punching punch, and the other end of the male die is connected with the male die fixing block.
And the side face of the lower end of the male die fixing block is provided with a male die fixing hole and a fastening screw hole, and the other end of the male die is connected with the male die fixing block through the male die fixing hole and is locked and fixed through the fastening screw hole.
The positioning stripper plate is fixedly connected with the female die in a penetrating way through symmetrical left and right pins.
The length of the guide positioning grooves is the same as the depth from the upper end surface of the shell part to the bottom surface of the inner cavity, and the distance between the guide positioning grooves is the same as the width of the inner cavity of the shell part.
The die handle is connected with the bottom of the upper end of the driving mechanism.
The driving mechanism is a punch press or a hand press.
Two ends of the large leaking square hole are respectively communicated with two side walls of the female die, and the thickness between the upper surface of the large leaking square hole and the bottom surface of the corresponding positioning groove on the female die forms a female die knife edge.
The beneficial effects of the utility model reside in that:
1. the problems that when the side hole of the side wall of the shell is superposed with the side wall of the shell, a male die is adopted in a conventional shell punching die to be punched from top to bottom into a female die, the female die is limited by the internal space of a shell part, and the superposed side female die surface in the inner cavity of the shell is suspended and fails to form an effective knife edge, so that the bad phenomena that the periphery of a punching central hole is not sheared and formed but torn to form flanging burrs, uneven side wall and the like are caused, and the slow production progress and high cost caused by the adoption of a punching machine, a wire cutting machine and other machining modes are solved;
2. the production efficiency is improved from that a machine is adopted to process one piece for at least 40 minutes (including 10 minutes for perforating a pre-hole by a perforating machine and 30 minutes for aligning and cutting by linear cutting clamping), the production time is increased to that only 10 seconds (including placing parts and blanking) are needed after a die is punched, and the efficiency is improved by nearly 240 times;
3. the punching die has the advantages of reasonable punching process, novel design structure, ingenious design and strong technical universality, can punch holes with different shapes, sizes and positions according to requirements, and is suitable for the design and manufacture of the side punching forming of shell parts;
4. the punching mode is novel, the structural design of the die is reasonable and ingenious, the punching quality and the punching precision are high through production practice, the smooth and flat burr-free edges of the inner side and the outer side of the shell workpiece are guaranteed, and the quality requirement of actually produced parts can be met.
Drawings
FIG. 1 is an exploded view of the assembly of the punching die of the present invention;
FIG. 2 is a front view of the present invention in cross section in an operating state;
fig. 3 is a cross-sectional side view of the present invention in its operating state;
FIG. 4 is a sectional top view of the present invention in its working state;
FIG. 5 is a perspective view of the present invention in an operating state;
in the figure: 1-male die fixing block, 2-male die, 3-female die, 4-positioning stripper plate and 5-shell part.
Detailed Description
The technical solution of the present invention is further explained below with reference to the drawings, but is not limited to the following embodiments. Various modifications and improvements may be made to other embodiments, or modifications and additions may be made or substituted in a similar manner to those skilled in the art by referencing the structural design of the punching die.
As shown in figure 1, the punching die structure of the side wall hole has the technical principle that a male die and a female die are reversely arranged, the female die is designed on the outer surface of a shell part, the size of the female die is not limited by the inner space of the shell part any more, and can be fully extended along the outer wall of the side surface of the shell. The structure at least comprises a male die fixing block, a male die, a female die, a bottom supporting seat and a positioning stripper plate, wherein the male die fixing block 1 is arranged at the top of the whole body; the upper end of the male die fixing block 1 is provided with a die handle, the die handle is connected with the bottom of the upper end of the driving mechanism, and the side surface of the lower end of the male die fixing block 1 is connected with a male die 2 to form a male die assembly which can move up and down under the action of the driving mechanism; a female die 3 is mounted and limited on the bottom supporting seat, a positioning discharging plate 4 is mounted on the upper side of the end face of the female die 3, a positioning groove is correspondingly formed below the positioning discharging plate 4, a protrusion is arranged on the lower end face of the positioning discharging plate 4, a matched concave hole is formed in the position, corresponding to the positioning groove, of the positioning discharging plate 4, and guide positioning grooves are respectively formed in two sides of the concave hole for the shell part 5 to slide in the guide positioning grooves and be embedded and fixed at an accurate position; the female die 3 is provided with a positioning groove for positioning the outer side surface of the shell part 5, and the bottom of the positioning groove and the side surface of the female die 3 are both provided with large square holes for leaking materials; the bulge of the positioning discharging plate 4 corresponds to the positioning groove of the female die 3 to form a gap, the gap forms the shapes of an inner cavity and an outer cavity of the shell part 5, the size of the shell part is equal to the thickness of the wall, the positioning and rigid discharging functions are realized, the accurate shape positioning and rigid discharging are convenient, and the punching and shearing of the side wall hole of the shell part 5 are realized together with the male die 2.
Two ends of the large square hole for leaking materials are respectively communicated with two side walls of the female die 3, and the thickness between the upper surface of the large square hole for leaking materials and the bottom surface of the corresponding positioning groove on the female die 3 forms a female die knife edge structure; the strength of the female die can be ensured, and the unfavorable conditions that the length of a knife edge part is too long in the blanking process and the male die is easily broken, the die is damaged and the like due to too thick thickness of the female die are avoided.
Further, when the intensity of the female die 3 is enhanced, in order to prevent the situation that the punching waste material leaks and is not smoothly blocked in the knife edge due to overlong thickness of the female die 3, and in order to facilitate the discharge of subsequent waste materials, the practical use length of the cutting edge part in the female die 3 is shortened by arranging the material leaking square hole at the corresponding reasonable position on the side surface of the female die 3, so that the waste material slowly slides down from the hole of the female die 3 and falls on the bottom of the material leaking square hole, and the waste material can be conveniently blown off from the side surface of the female die 3 by blowing.
One end of the male die 2 is provided with a forming punching punch, and the other end of the male die 2 is connected with the male die fixing block 1.
The side face of the lower end of the male die fixing block 1 is provided with a male die fixing hole and a fastening screw hole, and the other end of the male die 2 is connected with the male die fixing block 1 through the male die fixing hole and is locked and fixed through the fastening screw hole.
The positioning discharging plate 4 is fixedly connected with the female die 3 through symmetrical left and right pins in a penetrating manner and is fixedly connected with the bottom supporting seat through a pressing plate and screws.
The length of the guide positioning grooves is the same as the depth from the upper end surface of the shell part 5 to the bottom surface of the inner cavity, and the distance between the guide positioning grooves is the same as the width of the inner cavity of the shell part 5; the accurate positioning of the punched shell part 5 is ensured, the distance between the outer side surfaces of the guide positioning grooves is fully used for giving the outer cavity yielding allowance of the shell part 5, and the shell part 5 is convenient to slide, push in and take out in the guide positioning grooves.
The driving mechanism is a punch press or a hand-operated press, and punching is carried out on the punch press or the hand-operated press according to the punching stroke required by the shell workpiece.
Further, because the particularity of part, will accomplish the processing in lateral wall hole, if adopt perforation, wire-electrode cutting processing mode, from wearing hole in advance, clamping, installation, alignment, cutting about need 40 minutes/piece, and adopt the utility model discloses a die machining is only 10 seconds/piece, and lifting efficiency is 240 times.
Preferably, when the adjustable stroke distance of the punch exceeds the limit requirement of the internal cavity space of the shell part 5, a short-stroke driving mechanism such as a hand-press machine should be adopted to prevent the shell part 5 from being damaged by the overlarge return distance of the male die 2.
Specifically, when the die is punched and mounted by using a hand press with a C-shaped structure, the bottom of the upper end of the opening is connected with the male die fixing block 1 and the male die 2, and the lower end of the opening is used as a bottom supporting seat of the female die 3 and is connected with the female die 3 and the positioning stripper plate 4.
Specifically, the utility model discloses a technical principle of punching a hole does: the male die 2 and the female die 3 are reversely arranged, the female die 3 is designed on the outer surface of the shell part 5, the size of the female die 3 is not limited by the inner space of the shell part 5 any more, and can be fully extended and expanded along the outer side wall of the shell part 5.
As shown in fig. 2-5, the utility model discloses the process of punching a hole does: and (3) adjusting the gap between the male die 2 and the female die 3 uniformly, and processing on a connecting punch. Firstly, adjusting the stroke, confirming that the height between the male die 2 and the positioning discharging plate 4 is limited within the size range of the inner cavity of the shell part 5, then pushing the shell part 5 into the shell part from the side, sliding to the bottom along the guide positioning groove on the positioning discharging plate 4, and embedding and fixing the shell part 5; secondly, the positioning stripper 4 and the female die 3 together complete the final accurate positioning of the housing part 5, at which point the forming punch of the male die 2 is already completely placed inside the housing. During operation, under actuating mechanism's drive, along with terrace die 2 pushes down, drive the shaping drift down motion that punches a hole of terrace die 2, pass location stripper 4, casing part 5, die 3 in proper order, accomplish whole punching process, punch a hole the completion back, terrace die 2 rises back under the effort of restoring force, the shaping drift that punches a hole of terrace die 2 withdraws from die 3 and enters into location stripper 4 after, take out casing part 5 along the equidirectional reverse slip again, terrace die fixed block 1 and terrace die 2 get back to the normal position at last.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the present invention is not departing from the design concept of the present invention, and those skilled in the art can modify or supplement the described embodiments with various modifications and improvements or replace them with similar ways, so long as the structure and manufacturing method of the present invention do not deviate from the scope defined by the claims, and all should fall within the protection scope of the present invention.
Claims (8)
1. The utility model provides a cut-out press structure in side boundary hole, includes terrace die fixed block (1) and die (3), its characterized in that: the upper end of the male die fixing block (1) is provided with a die handle, and the side surface of the lower end of the male die fixing block (1) is connected with a male die (2); the upper end face of the female die (3) is provided with a positioning groove for positioning the outer side face of the shell part (5), and the bottom of the positioning groove and the side face of the female die are both provided with large square holes for leaking materials; a positioning discharging plate (4) is mounted on the upper side of the female die (3), matched concave holes are formed in the positions, corresponding to the positioning grooves, of the positioning discharging plate (4), guide positioning grooves are formed in the two sides of each concave hole respectively, and a protrusion is arranged on the lower end face of the positioning discharging plate (4); the bulges of the positioning stripper plate (4) correspond to the positioning grooves of the female die (3) to form gaps, and the gaps form the shapes of the inner cavity and the outer cavity of the shell part (5).
2. The side wall hole punch die structure of claim 1, wherein: one end of the male die (2) is provided with a forming punching punch, and the other end of the male die (2) is connected with the male die fixing block (1).
3. The side wall hole punch die structure of claim 1, wherein: the side face of the lower end of the male die fixing block (1) is provided with a male die fixing hole and a fastening screw hole, and the other end of the male die (2) is connected with the male die fixing block (1) through the male die fixing hole and is locked and fixed through the fastening screw hole.
4. The side wall hole punch die structure of claim 1, wherein: the positioning discharging plate (4) is fixedly connected with the female die (3) in a penetrating way through symmetrical left and right pins.
5. The side wall hole punch die structure of claim 1, wherein: the length of the guide positioning grooves is the same as the depth from the upper end surface of the shell part (5) to the bottom surface of the inner cavity, and the distance between the guide positioning grooves is the same as the width of the inner cavity of the shell part (5).
6. The side wall hole punch die structure of claim 1, wherein: the die handle is connected with the bottom of the upper end of the driving mechanism.
7. The side wall hole punch die structure of claim 6, wherein: the driving mechanism is a punch press or a hand press.
8. The side wall hole punch die structure of claim 1, wherein: two ends of the large material leaking square hole are respectively communicated with two side walls of the female die (3), and the thickness between the upper surface of the large material leaking square hole and the bottom surface of the corresponding positioning groove on the female die (3) forms a female die knife edge structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920454044.XU CN210231192U (en) | 2019-04-04 | 2019-04-04 | Punching die structure of side wall hole |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920454044.XU CN210231192U (en) | 2019-04-04 | 2019-04-04 | Punching die structure of side wall hole |
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| CN210231192U true CN210231192U (en) | 2020-04-03 |
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| CN201920454044.XU Active CN210231192U (en) | 2019-04-04 | 2019-04-04 | Punching die structure of side wall hole |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052527A (en) * | 2019-04-04 | 2019-07-26 | 贵州振华华联电子有限公司 | A kind of punching die structure of side face edge cinclides |
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2019
- 2019-04-04 CN CN201920454044.XU patent/CN210231192U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052527A (en) * | 2019-04-04 | 2019-07-26 | 贵州振华华联电子有限公司 | A kind of punching die structure of side face edge cinclides |
| CN110052527B (en) * | 2019-04-04 | 2024-01-23 | 贵州振华华联电子有限公司 | Punching die structure of side wall hole |
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