CN112518870A - Plastic part deep drawing and punching integrated forming precision die - Google Patents
Plastic part deep drawing and punching integrated forming precision die Download PDFInfo
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- CN112518870A CN112518870A CN202011321465.9A CN202011321465A CN112518870A CN 112518870 A CN112518870 A CN 112518870A CN 202011321465 A CN202011321465 A CN 202011321465A CN 112518870 A CN112518870 A CN 112518870A
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- 238000004080 punching Methods 0.000 title claims abstract description 91
- 239000000463 material Substances 0.000 claims abstract description 56
- 238000009966 trimming Methods 0.000 claims abstract description 24
- 238000005520 cutting process Methods 0.000 claims abstract description 22
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000003139 buffering effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 27
- 230000008569 process Effects 0.000 abstract description 24
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 3
- 238000007493 shaping process Methods 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 description 20
- 230000005540 biological transmission Effects 0.000 description 7
- 239000002699 waste material Substances 0.000 description 6
- 239000013072 incoming material Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000000071 blow moulding Methods 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
- B26F1/14—Punching tools; Punching dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/27—Means for performing other operations combined with cutting
- B26D7/32—Means for performing other operations combined with cutting for conveying or stacking cut product
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
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- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses an integrated forming precision die for drawing and punching a plastic part, which comprises an upper die holder, a female die part, a male die part and a lower die holder, wherein the female die part is fixed at the bottom end of the upper die holder, the male die part is fixed at the top end of the lower die holder, and the female die part is positioned above the male die part and arranged oppositely; the male die part comprises a male die body and a material breaking die body, the male die body is fixed in the middle of the top end of the lower die base, a positioning groove is formed in the lower die base along the outer periphery of the male die body, and the material breaking die body surrounds the outer side of the positioning groove; the top end of the inner side of the material cutting die body extends towards the direction of the convex die body to form a trimming platform, the lower side edge of the trimming platform is obliquely arranged, and a cutting edge is arranged on the inner side of the trimming platform; the height of the material cutting die body is greater than that of the convex die body. This scheme simple structure, convenient operation is convenient for cut, deep-drawing and punch a hole the plastic part at stamping process, has better shaping effect, satisfies production needs and improves production efficiency, has fine market using value.
Description
Technical Field
The invention relates to the field of plastic product processing tools, in particular to an integrally formed precision die for drawing and punching a plastic part.
Background
Compared with metal, stone and wood, the plastic product has the advantages of low cost, strong plasticity and the like, so the plastic product is widely applied in national economy, and the plastic processing methods comprise various methods such as injection molding, extrusion molding, calendaring molding, blow molding, punch molding and the like. In the plastic stamping forming, the concave-convex die is matched and formed, and the plastic part is cut by the cutting edge of the concave-convex die in the stamping forming process, but the existing various stamping dies are not perfect for processing parts, the function of the die is single, when various processes are required to be carried out on the parts, a plurality of dies are required to complete the part manufacturing task, and the efficiency is low; accordingly, the prior art is deficient and needs improvement.
Disclosure of Invention
The invention aims to solve the technical problem of providing a novel plastic part deep drawing and punching integrated forming die.
In order to achieve the purpose, the invention adopts the following technical scheme: a plastic part deep drawing and punching integrated forming precision die comprises an upper die base, a female die part, a male die part and a lower die base, wherein the female die part is fixed at the bottom end of the upper die base, the male die part is fixed at the top end of the lower die base, and the female die part is positioned above the male die part and arranged oppositely;
the male die part comprises a male die body and a material breaking die body, the male die body is fixed in the middle of the top end of the lower die base, a positioning groove is formed in the lower die base along the outer periphery of the male die body, and the material breaking die body surrounds the outer side of the positioning groove;
the top end of the inner side of the material cutting die body extends towards the direction of the convex die body to form a trimming table, the lower side edge of the trimming table is obliquely arranged, and a cutting edge is arranged on the inner side of the trimming table; the height of the material cutting die body is larger than that of the convex die body.
Preferably, in the plastic part deep drawing and punching integrated forming die, the female die part comprises a female die mounting plate and a female die body, the female die mounting plate is fixed in the middle of the bottom end of the upper die base, the female die body is fixed in the middle of the bottom end of the female die mounting plate, and a punching part is arranged in the middle of the bottom end of the female die body.
Preferably, in the plastic part deep drawing and punching integrated forming die, a blanking hole penetrating through the die body is arranged at a position, corresponding to the punching part, on the die body, and the size of an opening at the top end of the blanking hole is matched with that of the punching part; the diameter of the lower part of the blanking hole is larger than that of the opening of the blanking hole.
Preferably, the plastic part deep drawing and punching integrated into one piece mould in, the die part still includes pressure assembly, pressure assembly includes pressure connecting plate and pressure sensor, pressure connecting plate fixes the middle part of upper die base bottom, the middle part indent of pressure connecting plate bottom forms the installation position, pressure sensor installs in the installation position, pressure sensor's downside with the die mounting panel is connected.
Preferably, in the plastic part deep drawing and punching integrated forming die, the height of the punching part is smaller than the depth of the concave die body.
Preferably, in the plastic part deep drawing and punching integrated forming die, a buffer assembly is arranged in the positioning groove, the buffer assembly consists of a spring member and a buffer table arranged at the top end of the spring member, and the bottom of the spring member is fixed on the lower die base; the upper part of the outer side of the buffer table is inwards sunken to form limit, and the limit structure is matched with the structure of the trimming table.
Preferably, in the plastic part drawing and punching integrated forming die, the maximum height of the buffer table is flush with the top surface of the die body.
Preferably, in the plastic part drawing and punching integrated forming die, the spring member is composed of an expansion sleeve and a spring sleeved on the expansion sleeve.
Preferably, in the plastic part drawing and punching integrated forming die, the groove width of the positioning groove is matched with the width of the lower part of the buffer table; the thickness of the die wall of the concave die body is matched with the width of the top end of the buffer table.
Preferably, in the plastic part drawing and punching integrated forming die, guide bearing seats are respectively arranged at four corners of the upper die base, guide columns penetrate through the guide bearing seats, flange seats are arranged on the lower die base at positions corresponding to the guide columns, and the bottom ends of the guide columns are fixed in the flange seats.
Compared with the prior art, the plastic part forming device has the advantages that the plastic part forming device is simple in structure, convenient to operate, convenient to cut, draw and punch the plastic part in the stamping process, good in forming effect, capable of meeting production requirements and improving production efficiency, and good in market application value.
Drawings
FIG. 1 is one of the schematic structural diagrams of an embodiment of the present invention;
FIG. 2 is a second schematic diagram of the structure of the embodiment of FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of portion A of the embodiment of FIG. 2 of the present invention;
FIG. 4 is a schematic structural view of embodiment 2 of the present invention;
FIG. 5 is a schematic structural diagram of embodiment 3 of the present invention;
the figures above show: the punching die comprises an upper die holder 1, a guide bearing seat 11, a guide column 12, a female die part 2, a pressure connecting plate 21, a female die mounting plate 22, a female die body 23, a punching part 24, a male die part 3, a male die body 31, a material cutting die body 32, a trimming table 321, a buffer table 33, a limit 331, a spring member 34, a blanking hole 35, a lower die holder 4, a material pressing rod 51, a material pressing block 52, a punching connecting rod 61, a punching block 62 and a punching channel 63.
Detailed Description
In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and specific examples. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that 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 "surround," "opposite," "left," "right," and the like as used herein are for descriptive purposes only.
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 in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As shown in fig. 1-3, according to an embodiment of the present invention, the plastic part drawing and punching integrated forming mold includes an upper mold base 1, a female mold part 2, a male mold part 3, and a lower mold base 4, wherein the female mold part 2 is fixed at a bottom end of the upper mold base 1, the male mold part 3 is fixed at a top end of the lower mold base 4, and the female mold part 2 is located above the male mold part 3 and is oppositely disposed; preferably, four corners of the upper die holder 1 are respectively provided with a guide bearing seat 11, a guide column 12 penetrates through the guide bearing seats 11, a flange seat is arranged at a position, corresponding to the guide column 12, on the lower die holder 4, and the bottom end of the guide column 12 is fixed in the flange seat. Preferably, a power part is arranged on the upper side of the upper die holder 1, and the power part drives the female die part 2 to move downwards along the guide column 12 to be matched with the male die part 3 on the lower die holder 4 to perform stamping cutting, deep drawing and punching forming on the plastic part. Preferably, the power component is a telescopic cylinder. At present, the male die is mostly arranged above the plastic part, the power part drives the male die part 3 to move up and down, the plastic part is punched, the plastic part which is punched and formed easily in the punching process is adhered to the male die, and the material is not easy to return. This scheme sets up die part 2 in the top of terrace die part 3, it reciprocates to drive die part 2 by power part, the sticky condition can not appear at the stamping forming in-process of plastic part, send into stamping die's work position with the plastic part when moving the material manipulator, power part photoelectric sensor senses the supplied materials, give electrical system transmission signal, electrical system control power part drives upper die base 1 and moves down along guide post 12, carry out deep-drawing and punch a hole to the plastic part through the cooperation of die part 2 with terrace die part 3, power part drives die part 2 rebound and resets, plastic part immigration transmission line after will shaping is again moved by moving the material manipulator, wait for next work. The plastic part forming device is simple in structure, convenient to operate, convenient to cut, draw and punch the plastic part in the stamping process, good in forming effect, capable of meeting production requirements and improving production efficiency, and good in market application value.
The female die component 2 comprises a female die mounting plate 22 and a female die body 23, the female die mounting plate 22 is fixed to the middle of the bottom end of the upper die base 1, the female die body 23 is fixed to the middle of the bottom end of the female die mounting plate 22, and a punching piece 24 is arranged in the middle of the bottom end of the female die body 23. Preferably, a blanking hole 35 penetrating through the die body 31 is formed in a position corresponding to the punching piece 24, and the size of an opening at the top end of the blanking hole 35 is matched with that of the punching piece 24; the diameter of the lower part of the blanking hole 35 is larger than the diameter of the opening of the blanking hole 35. Preferably, the height of the punching element 24 is smaller than the depth of the die body 23. Preferably, the height of the punch 24 is less than 1/2 of the depth of the die body 23. For example, the depth of the cavity body 23 is 2CM, and the height of the punching element 24 is 0.8 CM. Preferably, the punch 24 has a cylindrical or rectangular configuration. Further, the middle part of the bottom end of the die body 23 is provided with a connecting position, and the punching piece 24 is detachably mounted at the connecting position, so that the punching pieces 24 of different models can be replaced according to actual use requirements. Die part 2 still includes pressure assembly, pressure assembly includes pressure connecting plate 21 and pressure sensor, pressure connecting plate 21 is fixed the middle part of 1 bottom of upper die base, the middle part indent of pressure connecting plate 21 bottom forms the installation position, pressure sensor installs in the installation position, pressure sensor's downside with die mounting panel 22 is connected. Preferably, the depth of the mounting position is smaller than the thickness of the pressure sensor. The pressure value is preset in the electric control system, when the photoelectric sensor senses the incoming material, the signal is transmitted to the electric control system, the electric control system controls the power part to drive the upper die base 1 to move downwards, the plastic part is drawn and punched through the matching of the female die part 2 and the male die part 3, waste materials generated after the punching of the punching part 24 are discharged through the blanking hole 35, when the pressure sensor detects that the pressure value reaches a preset value, the signal is transmitted to the electric control system, the electric control system controls the upper die base 1 to reset, and then the power part drives the female die part 2 to move upwards to reset, and the next work is waited.
The male die part 3 comprises a male die body 31 and a material breaking die body 32, the male die body 31 is fixed in the middle of the top end of the lower die base 4, a positioning groove is formed in the lower die base 4 along the outer periphery of the male die body 31, and the material breaking die body 32 surrounds the outer side of the positioning groove; the top end of the inner side of the material cutting die body 32 extends towards the direction of the convex die body 31 to form a trimming table 321, the lower side edge of the trimming table 321 is arranged in an inclined manner, and the inner side of the trimming table 321 is a cutting edge; the height of the material cutting die body 32 is greater than that of the convex die body 31. Preferably, the lower side of the trimming stage 321 is inclined at an angle of 60 °. For example, the die body 31 is a rectangular structure and is a die body of a plastic part, the positioning groove surrounds the die body 31, the material breaking die body 32 surrounds the outer side of the positioning groove, after the material moving manipulator sends the plastic part into the working position of the stamping die, the power part drives the female die part 2 to move downwards to be matched with the male die part 3 to stamp the plastic part, in the pressing-down process, the plastic original part is cut through the matching of the trimming platform 321 of the material breaking die body 32 and the female die body 23, the female die part 2 continues to press downwards to draw the plastic part in the female die part 2, the punching part 24 is pressed into the blanking hole 35 along with the further pressing-down of the female die part 2 to complete the punching action, and waste materials generated after the punching of the punching part 24 are discharged through the blanking hole 35; then the power part drives the female die part 2 to move upwards for resetting, and the plastic part which finishes the drawing and punching processes is moved into the transmission line by the material moving manipulator. The force of the power part is continuous in the whole pressing process that the power part drives the female die part 2.
A buffer assembly is arranged in the positioning groove, the buffer assembly consists of a spring member 34 and a buffer table 33 arranged at the top end of the spring member 34, and the bottom of the spring member 34 is fixed on the lower die holder 4; the upper part of the outer side of the buffer table 33 is inwards sunken to form a limit 331, and the structure of the limit 331 is matched with that of the trimming table 321. Preferably, the maximum height of the cushion pad 33 is flush with the top surface of the die body 31. Preferably, the spring member 34 is composed of a telescopic sleeve and a spring sleeved on the telescopic sleeve. Preferably, the width of the positioning groove is matched with the width of the lower part of the buffer table 33; the thickness of the die wall of the concave die body 23 is matched with the width of the top end of the buffer table 33. Preferably, the depth of the limiting recess is 1/4 of the maximum width of the buffering table 33. For example, the width of the lower portion of the buffer table 33 is 2CM, the depth of the limiting recess is 0.5 CM, the width of the trimming table 321 is 0.5 CM, and the width of the top end of the buffer table 33 is 1.5 CM. The spring member 34 pushes the buffer table 33 to move upwards, and the limit position on the upper part of the buffer table 33 is abutted with the trimming table 321 of the material cutting die body 32 to limit the maximum height of the buffer table 33, so that the maximum height of the buffer table 33 is flush with the top surface of the male die body 31. Firstly, a plastic part is fed into a working position of a stamping die through a material moving manipulator, when a photoelectric sensor senses incoming materials, signals are transmitted to an electric control system, the electric control system controls a power part to drive an upper die base 1 to move downwards so as to drive a female die part 2 to move downwards, the bottom end of the die wall of a female die body 23 is firstly contacted with a plastic original and a male die part 3 in the downward moving process, and the plastic original is cut through the matching of a trimming table 321 of a material cutting die body 32 and the female die body 23; then the cut plastic part is pressed tightly by the die wall of the die body 23 and the buffer table 33, the upward acting force of the spring member 34 is smaller than the downward acting force of the power part, the spring member 34 gradually retracts along with the gradual downward pressing of the die part 2, so as to ensure that the die wall of the die body 23 and the buffer table 33 tightly press the plastic part, and in the whole drawing and punching process, the die wall of the die body 23 and the buffer table 33 tightly press the plastic part, so as to complete the drawing process of the plastic part in the die part 2; then, the female die part 2 is continuously pressed downwards, the punching piece 24 is pressed into the blanking hole 35 to complete the punching action, and waste generated after the punching of the punching piece 24 is discharged through the blanking hole 35; at this moment, the buffer table 33 reaches the lowest point, when the pressure sensor detects that the pressure value reaches the preset value, a signal is transmitted to the electric control system, the electric control system controls the upper die base 1 to reset, then the power part drives the female die part 2 to move upwards to reset, and the plastic part which finishes the drawing and punching process is moved into the transmission line by the material moving manipulator.
In this embodiment, the die body is all fixed on the die holder with the die body adopts detachable mode, and the staff can select the concave-convex die body that corresponds according to the size of the plastic part of treating processing, and at the beginning of the operation of equipment, the staff is according to the size, the high position of plastic part of working a work. In the cutting step, the plastic part is firstly sent into a working position of a stamping die, namely the position between a female die part and a male die part, when a photoelectric sensor senses the incoming material, a signal is transmitted to an electric control system, the electric control system controls a power part to drive an upper die base to move downwards so as to drive the female die part to move downwards, in the downward moving process, the bottom end of the die wall of a female die body is firstly contacted with a plastic original part and the male die part, and the plastic original part is cut through the matching of a trimming table of a material cutting die body and the female die body; in the deep drawing step, the cut plastic part is pressed tightly by the die wall of the female die body and the buffer table, the spring component gradually retracts along with the gradual pressing of the female die part, and the periphery of the plastic part is pressed tightly by the die wall of the female die body and the buffer table in the whole pressing process so as to finish the deep drawing process of the plastic part in the female die part; in the punching step, the punching piece is pressed into the blanking hole along with the continuous pressing of the female die part so as to complete the punching action, and waste materials generated after the punching of the punching piece are discharged through the blanking hole; at the moment, the buffer table reaches the lowest point, when the pressure sensor detects that the pressure value reaches a preset value, a signal is transmitted to the electric control system, the electric control system controls the upper die base to reset, then the power part drives the female die part to move upwards to reset, and the material moving manipulator moves the plastic part which completes the drawing and punching processes into the transmission line.
Example 2
The difference between the plastic part deep drawing and punching integrated precise mold of the embodiment and the embodiment 1 is that, as shown in fig. 4, the female mold part of the forming mold further comprises a pressing assembly, and the pressing assembly is arranged outside the female mold body; the material pressing assembly comprises a material pressing rod 51 and a material pressing block 52 fixed at the bottom end of the material pressing rod 51, the top end of the material pressing rod penetrates through the female die mounting plate to be connected with the bottom end of the upper die base, and the bottom surface of the material pressing block is slightly lower than the bottom end of the die wall of the female die body. Preferably, the material pressing rod is an elastic telescopic sleeve rod. The material pole effort is downward pressed, presses the decurrent effort of material pole to be less than the decurrent effort of power part, along with die part pushes down gradually, presses the top butt of material piece and disconnected material die body, presses the material pole to retract gradually to guarantee to press the material piece and press the plastic original paper with disconnected material die body and compress tightly, avoid carrying out the in-process that cuts to the plastic original paper through the cooperation of die part and terrace die part, take place the skew.
Firstly, a plastic part is fed into a working position of a stamping die through a material moving manipulator, when a photoelectric sensor senses incoming materials, signals are transmitted to an electric control system, the electric control system controls a power part to drive an upper die base to move downwards so as to drive a female die part to move downwards, a material pressing block is firstly contacted with the plastic original, the plastic original is pressed through the matching of the material pressing block and a material cutting die body, and then the plastic original is cut through the matching of a trimming table of the material cutting die body and a female die body; then the cut plastic part is pressed tightly by the die wall of the die body and the buffer table, the spring component gradually retracts along with the gradual pressing of the die part, so as to ensure that the die wall of the die body and the buffer table tightly press the plastic part, and in the whole drawing and punching process, the die wall of the die body and the buffer table tightly press the plastic part, so as to complete the drawing process of the plastic part in the die part; then, the female die part is pressed downwards continuously, the punching piece is pressed into the blanking hole to complete the punching action, and waste generated after the punching of the punching piece is discharged through the blanking hole; at the moment, the buffer table reaches the lowest point, the electric control system controls the upper die base to reset, then the power part drives the female die part to move upwards to reset, and the material moving manipulator moves the plastic part which completes the drawing and punching processes into the transmission line.
Example 3
The difference between the plastic part deep drawing and punching integrated precise mold of the embodiment and the embodiment 1 is that, as shown in fig. 5, a female mold part of the forming mold comprises a female mold mounting plate and a female mold body, the female mold mounting plate is fixed at the middle of the bottom end of the upper mold base, the female mold body is fixed at the middle of the bottom end of the female mold mounting plate, a through hole penetrating through the female mold body is formed in the middle of the female mold body, the through hole extends upwards in sequence and penetrates through the female mold mounting plate and the upper mold base to form a punching channel 63, a punching assembly is arranged in the punching channel, and the punching assembly comprises a punching connecting rod 61 and a punching block 62 fixed at the bottom; and a second power source is arranged at the top end of the upper die base, the upper end of the punching connecting rod is connected with the working end of the second power source, and the punching block is driven by the second power source to move up and down along the punching channel. Preferably, the second power source is a telescopic cylinder.
Firstly, feeding a plastic part into a working position of a stamping die through a material moving manipulator, when a photoelectric sensor senses incoming materials, transmitting signals to an electric control system, controlling a power part by the electric control system to drive an upper die base to move downwards so as to drive a female die part to move downwards, wherein in the downward moving process, the bottom end of the die wall of a female die body is firstly contacted with a plastic original part and a male die part, and the plastic original part is cut through the matching of a trimming table of a material cutting die body and the female die body; then the cut plastic part is pressed tightly by the die wall of the female die body and the buffer platform, the upward acting force of the spring component is smaller than the downward acting force of the power component, the spring component gradually retracts along with the gradual downward pressing of the female die part so as to ensure that the die wall of the female die body and the buffer platform tightly press the plastic part, the plastic part is pressed tightly by the die wall of the female die body and the buffer platform in the whole drawing and punching process, and when the buffer platform reaches the lowest point, the drawing process of the plastic part in the female die part is completed; then, the punching block is driven by the power source II to move downwards along the punching channel, the blanking hole is pressed by the punching block to complete punching, and waste materials generated after punching of the punching piece are discharged through the blanking hole; the electric control system controls the upper die base to reset, then the power part drives the female die part to move upwards to reset, and the material moving manipulator moves the plastic part which finishes the drawing and punching processes into the transmission line.
The technical features mentioned above are combined with each other to form various embodiments which are not listed above, and all of them are regarded as the scope of the present invention described in the specification; also, modifications and variations may be suggested to those skilled in the art in light of the above teachings, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A plastic part deep drawing and punching integrated precise die is characterized by comprising an upper die base, a female die part, a male die part and a lower die base, wherein the female die part is fixed at the bottom end of the upper die base, the male die part is fixed at the top end of the lower die base, and the female die part is positioned above the male die part and arranged oppositely;
the male die part comprises a male die body and a material breaking die body, the male die body is fixed in the middle of the top end of the lower die base, a positioning groove is formed in the lower die base along the outer periphery of the male die body, and the material breaking die body surrounds the outer side of the positioning groove;
the top end of the inner side of the material cutting die body extends towards the direction of the convex die body to form a trimming table, the lower side edge of the trimming table is obliquely arranged, and a cutting edge is arranged on the inner side of the trimming table; the height of the material cutting die body is larger than that of the convex die body.
2. The plastic part deep drawing and punching integrated forming die according to claim 1, wherein the female die part comprises a female die mounting plate and a female die body, the female die mounting plate is fixed in the middle of the bottom end of the upper die base, the female die body is fixed in the middle of the bottom end of the female die mounting plate, and a punching part is arranged in the middle of the bottom end of the female die body.
3. The plastic part deep drawing and punching integrated forming die according to claim 2, wherein a blanking hole penetrating through the die body is formed in the position, corresponding to the punching part, of the die body, and the size of an opening at the top end of the blanking hole is matched with that of the punching part; the diameter of the lower part of the blanking hole is larger than that of the opening of the blanking hole.
4. The plastic part deep drawing and punching integrated forming die according to claim 2, wherein the female die part further comprises a pressure assembly, the pressure assembly comprises a pressure connecting plate and a pressure sensor, the pressure connecting plate is fixed in the middle of the bottom end of the upper die base, the middle of the bottom end of the pressure connecting plate is concave inwards to form a mounting position, the pressure sensor is mounted in the mounting position, and the lower side of the pressure sensor is connected with the female die mounting plate.
5. The plastic part deep drawing and punching integrated forming die as claimed in claim 2, wherein the height of the punching part is smaller than the depth of the die body.
6. The plastic part deep drawing and punching integrated forming die according to claim 1, wherein a buffer assembly is arranged in the positioning groove, the buffer assembly consists of a spring member and a buffer table arranged at the top end of the spring member, and the bottom of the spring member is fixed on the lower die base; the upper part of the outer side of the buffer table is inwards sunken to form limit, and the limit structure is matched with the structure of the trimming table.
7. The plastic part deep drawing and punching integrated forming die as claimed in claim 6, wherein the maximum height of the buffering table is flush with the top surface of the die body.
8. The plastic part deep drawing and punching integrated forming die as claimed in claim 6, wherein the spring member is composed of a telescopic sleeve and a spring sleeved on the telescopic sleeve.
9. The deep drawing and punching integrated forming die for the plastic part as claimed in claim 6, wherein the width of the positioning groove is adapted to the width of the lower part of the buffer table; the thickness of the die wall of the concave die body is matched with the width of the top end of the buffer table.
10. The mold according to claim 1, wherein a guide bearing seat is provided at each of four corners of the upper mold seat, a guide post is provided in the guide bearing seat, a flange seat is provided at a position corresponding to the guide post on the lower mold seat, and a bottom end of the guide post is fixed in the flange seat.
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| CN202011321465.9A CN112518870B (en) | 2020-11-23 | 2020-11-23 | Plastic part deep drawing and punching integrated forming precision die |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011321465.9A CN112518870B (en) | 2020-11-23 | 2020-11-23 | Plastic part deep drawing and punching integrated forming precision die |
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| CN112518870A true CN112518870A (en) | 2021-03-19 |
| CN112518870B CN112518870B (en) | 2022-02-15 |
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| CN202011321465.9A Active CN112518870B (en) | 2020-11-23 | 2020-11-23 | Plastic part deep drawing and punching integrated forming precision die |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113478561A (en) * | 2021-07-22 | 2021-10-08 | 金城宝五金（深圳）有限公司 | Precision component die |
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| CN112518870B (en) | 2022-02-15 |
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Effective date of registration: 20220124 Address after: 523000 Room 101, building 1, No. 182, kuiqing Road, Qingxi Town, Dongguan City, Guangdong Province Applicant after: Dongguan fengdingyuan Technology Co.,Ltd. Address before: 518000 Room 101, building A4, Shanxia community, Pinghu street, Longgang District, Shenzhen, Guangdong Province Applicant before: SHENZHEN HAOHUA TECHNOLOGY CO.,LTD. |
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Effective date of registration: 20231113 Address after: No. 99, Wengfang Industrial Park, Wengfang Village, Hemudu Town, Yuyao City, Ningbo City, Zhejiang Province, 315414 Patentee after: Ningbo Shengyang Yiyou plastic products Co.,Ltd. Address before: 523000 Room 101, building 1, No. 182, kuiqing Road, Qingxi Town, Dongguan City, Guangdong Province Patentee before: Dongguan fengdingyuan Technology Co.,Ltd. |