CN112845830A - Die-cut section bar mould - Google Patents

Die-cut section bar mould Download PDF

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Publication number
CN112845830A
CN112845830A CN202110297262.9A CN202110297262A CN112845830A CN 112845830 A CN112845830 A CN 112845830A CN 202110297262 A CN202110297262 A CN 202110297262A CN 112845830 A CN112845830 A CN 112845830A
Authority
CN
China
Prior art keywords
die
block
positioning
plate
punching
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202110297262.9A
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Chinese (zh)
Inventor
王广中
王新湧
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
YANGZHOU GUANGLING ELECTRONICS CO Ltd
Original Assignee
YANGZHOU GUANGLING ELECTRONICS CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by YANGZHOU GUANGLING ELECTRONICS CO Ltd filed Critical YANGZHOU GUANGLING ELECTRONICS CO Ltd
Priority to CN202110297262.9A priority Critical patent/CN112845830A/en
Publication of CN112845830A publication Critical patent/CN112845830A/en
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/34—Perforating tools; Die holders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/04—Centering the work; Positioning the tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/32—Perforating, i.e. punching holes in other articles of special shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
    • B21D45/06—Stripping-off devices

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Punching Or Piercing (AREA)

Abstract

A die for punching sectional materials. The die-cut section bar die is simple in structure and capable of improving positioning reliability. The section bar comprises a plate-shaped body and a plurality of heat dissipation fins arranged on the bottom surface of the plate-shaped body, and is rectangular in the vertical projection direction and provided with X-direction long edges and Y-direction short edges; the upper die assembly comprises an upper die base, an upper base plate, an upper clamping plate, a stop plate and a stripper plate which are sequentially arranged from top to bottom, wherein the stop plate is provided with a punching needle; the positioning device also comprises a pair of positioning devices for positioning the section bar in the Y direction. The invention is suitable for processing section bars with different specifications and improves the processing quality.

Description

Die-cut section bar mould
Technical Field
The invention relates to the field of die processing, in particular to a die for punching a profile.
Background
A large number of sectional material radiators are used in electronic products, and in order to achieve a good radiating effect, sectional material parts are often designed with a plurality of tooth-shaped structures. The profile is usually machined by extruding a long profile, cutting the long profile, punching the long profile, and machining the long profile. The sectional material is cut and processed into different batches and different time periods, and dimension errors always exist; the connection of the radiator and the integrated block in the electronic product usually requires the characteristics of less burrs, high precision, smooth surface and the like. The section bar stamping process must have reasonable accurate location, just can effectively reduce the defective rate.
Disclosure of Invention
Aiming at the problems, the invention provides the die-cut section mould which is simple in structure and improves the positioning reliability.
The technical scheme of the invention is as follows: the section bar comprises a plate-shaped body and a plurality of heat dissipation fins arranged on the bottom surface of the plate-shaped body, and is rectangular in the vertical projection direction and provided with X-direction long edges and Y-direction short edges;
the upper die assembly comprises an upper die base, an upper base plate, an upper clamping plate, a stop plate and a stripper plate which are sequentially arranged from top to bottom, wherein the stop plate is provided with a punching needle;
the lower die assembly comprises a limiting column, a female die, a lower base plate and a lower die base which are sequentially arranged from top to bottom;
the positioning device is used for positioning the profile in the X direction;
the positioning device comprises a positioning component and an elastic adjusting component,
the positioning assembly comprises a coarse positioning top block and a positioning block, the coarse positioning top block and the positioning block are respectively arranged on the female die, the profile is arranged on the female die and is positioned between the coarse positioning top block and the positioning block in the X direction, the top surface of the coarse positioning top block is lower than the top surface of the plate-shaped body, and a gap is formed between the coarse positioning top block and the profile;
the stripper plate is provided with a middle hole, the punching needle extends into the middle hole of the stripper plate and is used for punching the plate-shaped body above the section bar;
the elastic adjusting component comprises a first ejection mechanism, a second ejection mechanism, a fixed slide block and a movable slide block, the fixed slide block and the movable slide block are arranged in a central hole of the stripper plate,
the movable sliding block is connected in the fixed sliding block in a sliding mode, the movable sliding block is located above the coarse positioning top block, and the movable sliding block is used for contacting the Y-direction short edge of the profile;
the ejection mechanism I is horizontally arranged on the stripper plate in the X direction and is used for contacting the fixed slide block,
and the ejection mechanism II is vertically arranged in the upper die base, the upper base plate, the upper clamping plate and the stop plate and is used for contacting and touching the sliding block.
The positioning device also comprises a pair of positioning devices for positioning the section bar in the Y direction.
The ejection mechanism I comprises a first spring, a first placing groove is formed in the stripper plate, the first spring is arranged in the first placing groove, and the first spring is connected with a fixed sliding block.
The spring ejection mechanism II comprises a second spring and an ejector block connected with the second spring, a second placing groove communicated with the upper die base, the upper base plate, the upper clamping plate and the stop plate is formed in the upper die base, the second spring and the ejector block are arranged in the second placing groove, and the ejector block is used for contacting the movable sliding block.
The contact surface of the movable sliding block and the fixed sliding block is an inclined surface.
The top surface of the positioning block is higher than the top surface of the plate-shaped body.
The stripper plate is provided with a positioning hole, and the positioning block is used for extending into the positioning hole.
The punching pin is arranged on the female die and is positioned below the punching pin, and the punching insert extends into the space between the adjacent heat dissipation fins of the profile.
During working, firstly, the section is placed on the female die and is positioned between the coarse positioning top block and the positioning block, and at the moment, a gap is formed between the coarse positioning top block and the section, so that the section is convenient to take and place;
secondly, when the die is closed, the stripper plate moves downwards to the limiting column for limiting, at the moment, the movable sliding block positioned on the coarse positioning ejector block moves upwards, and when the movable sliding block is completely positioned in the fixed sliding block, the ejection mechanism acts to horizontally push the fixed sliding block, so that the movable sliding block reliably compresses the Y-direction short edge of the section bar, and the section bar is positioned in the X direction;
then, the punching needle acts to punch the section;
and finally, when the die is separated, the upper die assembly rises, the upper die assembly and the lower die assembly are separated, the ejection mechanism II pushes the movable slide block to extend out of the fixed slide block to reset, and then a new section workpiece is loaded for subsequent processing.
The invention is suitable for processing section bars with different specifications and improves the processing quality.
Drawings
FIG. 1 is a schematic view showing a structure of clamping a mold in the present invention,
figure 2 is a schematic view of the structure of the split mold of the present invention,
figure 3 is a schematic view of the construction of the stripper plate of the present invention,
figure 4 is a schematic view of the structure of the female die of the present invention,
figure 5 is a schematic view of the structure of the profile,
FIG. 6 is a top view of FIG. 5;
in the drawing, 1 is a die shank, 2 is a second ejection mechanism, 21 is a second spring, 22 is an ejector block, 3 is an upper die base, 4 is an upper backing plate, 5 is an upper clamping plate, 6 is a stop plate, 7 is a stripper plate, 71 is a middle hole, 72 is a positioning hole, 8 is a first ejection mechanism, 80 is a first spring, 9 is a movable slider, 10 is a fixed slider, 11 is a coarse positioning ejector block, 12 is a limiting column, 13 is a female die, 14 is a lower backing plate, 15 is a punching insert, 16 is a positioning block, 17 is a lower die base, 18 is a profile, 181 is a plate-shaped body, 182 is a heat dissipation fin, 183 is an X-direction long edge, 184 is a Y-direction short edge, 19 is a punching pin, and 20 is a gap;
an XY coordinate system is shown in fig. 6.
Detailed Description
As shown in fig. 1 to 6, the present invention comprises an upper mold assembly and a lower mold assembly which are arranged up and down, wherein a section bar 18 is arranged between the upper mold assembly and the lower mold assembly, the section bar comprises a plate-shaped body 181 and a plurality of heat dissipation fins 182 arranged on the bottom surface of the plate-shaped body, and the section bar is rectangular in a vertical projection direction and has an X-direction long side and a Y-direction short side;
the upper die assembly comprises an upper die base 3, an upper backing plate 4, an upper clamping plate 5, a stop plate 6 and a stripper plate 7 which are sequentially arranged from top to bottom, wherein the stop plate is provided with a punching needle 19, and the upper die base is also provided with a die handle 1 in application;
the lower die assembly comprises a limiting column 12, a female die 13, a lower backing plate 14 and a lower die base 17 which are arranged from top to bottom in sequence;
the positioning device is used for positioning the profile in the X direction;
the positioning device comprises a positioning component and an elastic adjusting component,
the positioning assembly comprises a coarse positioning top block 11 and a positioning block 16, the coarse positioning top block 11 and the positioning block 16 are respectively arranged on a female die, the section bar 18 is arranged on the female die and is positioned between the coarse positioning top block and the positioning block in the X direction, the top surface of the coarse positioning top block is lower than the top surface of the plate-shaped body, and a gap 20 is arranged between the coarse positioning top block and the section bar;
the stripper plate 7 is provided with a middle hole 71, the punch pin 19 extends into the middle hole of the stripper plate, and the punch pin is used for punching the plate-shaped body above the section bar;
the elastic adjusting component comprises a first ejection mechanism 8, a second ejection mechanism 2, a fixed slide block 10 and a movable slide block 9, the fixed slide block 10 and the movable slide block 9 are arranged in a central hole of the stripper plate,
the movable sliding block 9 is connected in the fixed sliding block in a sliding mode, the movable sliding block 9 is located above the rough positioning top block 11, and the movable sliding block 9 is used for contacting the Y-direction short edge of the profile;
the ejection mechanism I8 is horizontally arranged on the stripper plate in the X direction and is used for contacting the fixed slide block 10,
the ejection mechanism II 2 is vertically arranged in the upper die holder, the upper base plate, the upper clamping plate and the stop plate and is used for contacting and triggering the sliding block 9.
During working, firstly, the section is placed on the female die and is positioned between the coarse positioning top block and the positioning block, and at the moment, a gap is formed between the coarse positioning top block and the section, so that the section is convenient to take and place;
secondly, when the die is closed, the stripper plate moves downwards to the limiting column for limiting, at the moment, the movable sliding block positioned on the coarse positioning ejector block moves upwards, and when the movable sliding block is completely positioned in the fixed sliding block, the ejection mechanism acts to horizontally push the fixed sliding block, so that the movable sliding block reliably compresses the Y-direction short edge of the section bar, and the section bar is positioned in the X direction;
then, the punching needle acts to punch the section;
and finally, when the die is separated, the upper die assembly rises, the upper die assembly and the lower die assembly are separated, the ejection mechanism II pushes the movable slide block to extend out of the fixed slide block to reset, and then a new section workpiece is loaded for subsequent processing.
The positioning device also comprises a pair of positioning devices for positioning the section bar in the Y direction.
Therefore, the X direction and the Y direction of the section bar are conveniently positioned respectively, and the reliability of subsequent punching processing is improved. In the application, the placing positions of the pair of positioning devices are arranged on the long edge in the X direction, and the pair of positioning devices is arranged due to the fact that the length of the long edge in the X direction is long, so that the positioning devices are convenient to compress reliably.
The ejection mechanism I8 comprises a spring I80, a first placing groove is formed in the stripper plate, the spring I is arranged in the first placing groove, and the spring I is connected with the fixed sliding block.
And a first spring is arranged, so that the fixed sliding block can be conveniently pushed to act.
The second ejection mechanism 2 comprises a second spring 21 and a second ejection block 22 connected with the second spring, a second communicated placing groove is formed in the upper die base, the upper base plate, the upper clamping plate and the stop plate, the second spring and the second ejection block are arranged in the second placing groove, and the second ejection block is used for contacting the movable sliding block.
The second spring and the ejector block are arranged, the ejector block can conveniently press the movable sliding block under the conventional state, the movable sliding block extends out of the fixed sliding block, and at the moment, the first spring is in an extrusion state.
The contact surface of the movable sliding block 9 and the fixed sliding block 10 is an inclined surface.
Thus, the two can slide reliably. The contact end of the movable sliding block and the fixed sliding block can be arranged to be T-shaped or semicircular in section and arranged according to working conditions.
The top surface of the positioning block 16 is higher than the top surface of the plate-shaped body 181.
Therefore, the section bar can be reliably attached to the positioning block, and the positioning is reliable.
The stripper plate 7 is provided with a positioning hole 72, and the positioning block is used for extending into the positioning hole.
The positioning holes are arranged, so that the positioning blocks can be guided conveniently on the premise of ensuring the positioning of the positioning blocks on the sectional materials, and the reliability of subsequent needle punching actions is improved.
The heat dissipation structure is characterized by further comprising a punching insert 15, wherein the punching insert is arranged on the female die and located below the punching needle, and the punching insert extends into the space between the adjacent heat dissipation fins of the section.
The punching insert is arranged, so that on one hand, the sectional material is convenient to position; on the other hand, the punching needle is matched to reliably punch holes.
The disclosure of the present application also includes the following points:
(1) the drawings of the embodiments disclosed herein only relate to the structures related to the embodiments disclosed herein, and other structures can refer to general designs;
(2) in case of conflict, the embodiments and features of the embodiments disclosed in this application can be combined with each other to arrive at new embodiments;
the above embodiments are only embodiments disclosed in the present disclosure, but the scope of the disclosure is not limited thereto, and the scope of the disclosure should be determined by the scope of the claims.

Claims (8)

1. A die-cut section bar mould, including upper module and lower module set up and down, use for placing the section bar between said upper module and lower module, the said section bar includes the slabby body and several heat-dissipating fins set up in slabby body bottom surface, the said section bar is rectangular in the vertical projection direction, have X to long side and Y to short side;
the upper die assembly comprises an upper die base, an upper base plate, an upper clamping plate, a stop plate and a stripper plate which are sequentially arranged from top to bottom, wherein the stop plate is provided with a punching needle;
the lower die assembly comprises a limiting column, a female die, a lower base plate and a lower die base which are sequentially arranged from top to bottom;
the device is characterized by further comprising a positioning device, wherein the positioning device is used for positioning the sectional material in the X direction;
the positioning device comprises a positioning component and an elastic adjusting component,
the positioning assembly comprises a coarse positioning top block and a positioning block, the coarse positioning top block and the positioning block are respectively arranged on the female die, the profile is arranged on the female die and is positioned between the coarse positioning top block and the positioning block in the X direction, the top surface of the coarse positioning top block is lower than the top surface of the plate-shaped body, and a gap is formed between the coarse positioning top block and the profile;
the stripper plate is provided with a middle hole, the punching needle extends into the middle hole of the stripper plate and is used for punching the plate-shaped body above the section bar;
the elastic adjusting component comprises a first ejection mechanism, a second ejection mechanism, a fixed slide block and a movable slide block, the fixed slide block and the movable slide block are arranged in a central hole of the stripper plate,
the movable sliding block is connected in the fixed sliding block in a sliding mode, the movable sliding block is located above the coarse positioning top block, and the movable sliding block is used for contacting the Y-direction short edge of the profile;
the ejection mechanism I is horizontally arranged on the stripper plate in the X direction and is used for contacting the fixed slide block,
and the ejection mechanism II is vertically arranged in the upper die base, the upper base plate, the upper clamping plate and the stop plate and is used for contacting and touching the sliding block.
2. A die-cut profile die as claimed in claim 1, wherein the locating means further comprises a pair of locating means for locating the profile in the Y direction.
3. The die for punching the section material according to the claim 1 or 2, wherein the first ejection mechanism comprises a first spring, the first stripper plate is internally provided with a first placing groove, the first spring is arranged in the first placing groove, and the first spring is connected with a fixed slide block.
4. The die for punching the section bars as claimed in claim 3, wherein the second ejection mechanism comprises a second spring and a second ejection block connected with the second spring, the upper die holder, the upper backing plate, the upper clamping plate and the stop plate are provided with a second communicated placing groove, the second spring and the second ejection block are arranged in the second placing groove, and the second ejection block is used for contacting with the movable sliding block.
5. The die for blanking the section bars as claimed in claim 1, wherein the contact surface of the movable sliding block and the fixed sliding block is an inclined surface.
6. A die-cut profile die according to claim 1 or 2, wherein the top surface of the positioning block is higher than the top surface of the plate-like body.
7. The die for cutting the section bar according to claim 1 or 2, wherein the stripper plate is provided with a positioning hole, and the positioning block is used for extending into the positioning hole.
8. The die for die cutting the section material as claimed in claim 1 or 2, further comprising a punching insert, wherein the punching insert is arranged on the female die and positioned below the punching pin, and the punching insert extends into the section material between the adjacent heat dissipation fins.
CN202110297262.9A 2021-03-19 2021-03-19 Die-cut section bar mould Withdrawn CN112845830A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110297262.9A CN112845830A (en) 2021-03-19 2021-03-19 Die-cut section bar mould

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110297262.9A CN112845830A (en) 2021-03-19 2021-03-19 Die-cut section bar mould

Publications (1)

Publication Number Publication Date
CN112845830A true CN112845830A (en) 2021-05-28

Family

ID=75993696

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110297262.9A Withdrawn CN112845830A (en) 2021-03-19 2021-03-19 Die-cut section bar mould

Country Status (1)

Country Link
CN (1) CN112845830A (en)

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Application publication date: 20210528