CN212664674U - High-precision high-efficiency special die for processing air conditioner fins - Google Patents

High-precision high-efficiency special die for processing air conditioner fins Download PDF

Info

Publication number
CN212664674U
CN212664674U CN202020832796.8U CN202020832796U CN212664674U CN 212664674 U CN212664674 U CN 212664674U CN 202020832796 U CN202020832796 U CN 202020832796U CN 212664674 U CN212664674 U CN 212664674U
Authority
CN
China
Prior art keywords
die
air conditioner
carrier
positioning
precision
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.)
Active
Application number
CN202020832796.8U
Other languages
Chinese (zh)
Inventor
冉光全
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.)
Suzhou Worrell Machinery Industry Co Ltd
Original Assignee
Suzhou Worrell Machinery Industry 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 Suzhou Worrell Machinery Industry Co Ltd filed Critical Suzhou Worrell Machinery Industry Co Ltd
Priority to CN202020832796.8U priority Critical patent/CN212664674U/en
Application granted granted Critical
Publication of CN212664674U publication Critical patent/CN212664674U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

A high-precision high-efficiency special die for processing air conditioner fins comprises a die frame, a deep drawing sub die, a forming die, a punching flanging die, an edge cutting and slitting die and a cutting die; the die carrier comprises a large die carrier, an upper die carrier, a lower die carrier and a fixed plate, the upper die carrier and the lower die carrier are installed on the large die carrier, the fixed plate is fixedly installed above the lower die carrier, the deep drawing sub die, the forming die, the punching flanging die and the trimming slitting die are installed between the upper die carrier and the fixed plate, and the cutting die is installed at the rightmost end of the fixed plate; the large die carrier is provided with 4 pairs of large rolling guide pillar and guide sleeve guiding assemblies, and the upper die carrier and the lower die carrier are also respectively provided with 4 pairs of small rolling guide pillar and guide sleeve assemblies matched with the large die carrier. Efficient air conditioner fin processing special mould of high accuracy, simple structure, convenient to use is favorable to improving precision, the efficiency of air conditioner fin processing, application prospect is extensive.

Description

High-precision high-efficiency special die for processing air conditioner fins
Technical Field
The utility model relates to the technical field of mold, concretely relates to efficient air conditioner fin processing special mould of high accuracy.
Background
The air conditioning fin is the most basic and important element of the air conditioner, and the air conditioning fin determines the heat exchange between most cold and hot fluids of the heat exchange system of the air conditioner, so the heat exchange efficiency of the air conditioner is greatly determined by the total surface area and the shape of the fin, and in the heat exchange system of the air conditioner, the total volume of the air conditioning fin accounts for more than 60% of the whole heat exchange system. The air conditioner fins are mainly used for improving the heat exchange efficiency and compactness of the air conditioner heat exchange system by enlarging the heat transfer area. Meanwhile, the air conditioner fins can also be used as supports of the partition plates, so that the strength and the pressure bearing capacity of the integral structure of the air conditioner heat exchange system can be improved. At present, the air conditioner fins are mostly rectangular, and are different in size, surface treatment and fin pitch, and the common fin types comprise straight fins, corrugated fins, louver fins, porous fins and the like.
In order to meet the requirements of saving materials and improving energy efficiency, people have increasingly thinner requirements on the thickness of air conditioner fins of air conditioners. The thickness of the air conditioner fin is reduced to a scale range of about 0.1mm at present. Due to the thinning of the air conditioner fin, the problems of edge cracking of the flanging hole, fin wrinkling and the like are easily caused under the same forming specification requirement, and higher requirements are provided for the process of the air conditioner fin. The air conditioner fin die is a high-precision cold-punching progressive die specially used for producing air conditioner fins.
In the production process of the air conditioner fins, a conventional air conditioner fin die is generally provided with a sub-die switching device for controlling the switching of the working state of the sub-die, however, the sub-die switching device of the conventional air conditioner fin die has the problems of complex structure, slow switching speed and unstable switching, which results in low precision and poor efficiency.
Chinese patent application No. CN201820599851.6 discloses an air conditioner fin die, through having set up the position sleeve, be convenient for pass through the position sleeve arch with the guide pin bushing recess with the guide pin bushing fixed with the position sleeve to more portable when guide pillar and guide pin bushing are connected, and the setting of position sleeve inner surface wearing layer has reduced the wearing and tearing that traditional guide pillar and guide pin bushing are connected, does not improve precision, the efficiency of air conditioner fin die.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: in order to overcome not enough above, the utility model aims at providing an efficient air conditioner fin processing special mould of high accuracy installs on the punch press workstation, uses with the press is supporting, simple structure, and convenient to use, processing technology route are in proper order for a lot of deep-drawing, press the ripple plastic tensile, punch a hole the turn-ups turn-down rims, cut edge divide the strip, cut off, are favorable to improving precision, the efficiency of air conditioner fin processing, and application prospect is extensive.
The technical scheme is as follows: a high-precision high-efficiency special die for processing air conditioner fins comprises a die frame, a deep drawing sub die, a forming die, a punching flanging die, an edge cutting and slitting die and a cutting die; the die carrier comprises a large die carrier, an upper die carrier, a lower die carrier and a fixed plate, the upper die carrier and the lower die carrier are installed on the large die carrier, the fixed plate is fixedly installed above the lower die carrier, the deep drawing sub die, the forming die, the punching flanging die and the trimming slitting die are installed between the upper die carrier and the fixed plate, and the cutting die is installed at the rightmost end of the fixed plate; the large die carrier is provided with 4 pairs of large rolling guide pillar and guide sleeve guiding assemblies, and the upper die carrier and the lower die carrier are also respectively provided with 4 pairs of small rolling guide pillar and guide sleeve assemblies matched with the large die carrier.
Efficient air conditioner fin processing special mould of high accuracy, install on the punch press workstation, use with the press is supporting, simple structure, convenient to use, the processing technology route is in proper order for a lot of deep-drawing, press the ripple plastic tensile, the turn-ups that punches a hole turn-ups turn-over horizontal limit, side cut divides the strip, cuts off, is accomplished by corresponding deep-drawing submodule, forming die, the turn-ups mould that punches a hole, side cut divide the strip mould, the cutting off die respectively.
The multi-station progressive die repetitive motion of the drawing sub die, the forming die, the punching flanging die, the trimming slitting die and the cutting die is completed through the die carrier, the die carrier comprises a large die carrier, an upper die carrier, a lower die carrier and a fixing plate, the large die carrier is provided with 4 pairs of large rolling guide pillar and guide sleeve guide assemblies, namely a four-guide-pillar ball die carrier structure, the upper die carrier and the lower die carrier are respectively matched by 4 pairs of small rolling guide pillar and guide sleeves, the precision of the die-feeding repetitive motion of the drawing sub die, the forming die, the punching flanging die, the trimming slitting die and the cutting die is improved, and the application prospect is wide.
The rolling guide pillar and guide sleeve guide assembly of the large die set, the upper die set, the lower die set and the fixed plate is a common structure in the prior art and is not specifically described here, and a person skilled in the art can select the rolling guide pillar and guide sleeve guide assembly according to needs.
Furthermore, the special die for processing the air conditioner fins with high precision and high efficiency is characterized in that the upper die frame, the lower die frame and the fixing plate are respectively provided with a positioning screw pin.
Go up die carrier, lower die carrier, fixed plate all have be provided with the set screw round pin so that realize accurate positioning with big template to guarantee good step precision, the structure of the same reason set screw round pin, concrete position are common among the prior art, do not describe here specifically, technical staff in the art select as required can.
Further, the forming die comprises an upper die base, a lower die base and a forming mechanism, the upper die base and the lower die base are respectively connected with the upper die base and the fixing plate, and the forming mechanism is arranged between the upper die base and the lower die base.
Further, the forming mechanism of the special high-precision high-efficiency air conditioner fin processing die comprises a male die, a female die, a positioning mechanism, a material ejecting plate and a rectangular spring; the male die is connected with the upper die base through a pin; and a female die corresponding to the male die is arranged on one side of the male die, the ejector plate is arranged below the male die and the female die, the positioning mechanism is arranged on the female die, and the rectangular spring is arranged below the ejector plate and connected with the ejector plate through a screw.
The air conditioner fin to be processed is placed on a female die of a forming die after being drawn for multiple times, the air conditioner fin to be processed is well positioned through a positioning mechanism, an upper die base is pressed downwards through a press machine, a male die is pressed downwards, the male die is contacted with the air conditioner fin to be processed and is gradually pressed downwards, at the moment, the air conditioner fin to be processed is deformed under the pressure received by the air conditioner fin to be processed, the bending radius of the air conditioner fin to be processed is gradually reduced along with the continuous downward movement of the male die, until the upper die base is lowered to the state that an ejector plate is collided with a lower die base, the air conditioner fin to be processed is tightly pressed between the male die and the female die, the air conditioner. And then, the upper die base is restored, the male die rises, and the rectangular spring acts on the ejector plate to eject the formed air conditioner fin to be processed out of the female die.
Furthermore, the forming die comprises a guide pillar and a guide sleeve, the upper end and the lower end of the guide sleeve are respectively connected with the lower end of the upper die base and the upper end of the guide pillar, and the lower end of the guide pillar is connected with the lower die base.
The guide post and the guide sleeve are used for forming a guide device for forming the forming die so as to ensure the involution of the male die and the female die.
Further, the efficient air conditioner fin processing special mould of foretell high accuracy, positioning mechanism is including location movable block, locating plate, locating pin, the locating plate passes through the screw setting and is in air conditioner fin raw and other materials position top is placed to the die, location movable block, locating pin setting are in one side that air conditioner fin raw and other materials position was placed to the die.
In order to facilitate the positioning adjustment of the parts, a positioning movable block structure is adopted. Through the cooperation of location movable block, locating plate, locating pin, can treat fast and process the air conditioner fin and fix a position, improve the machining precision.
Further, foretell efficient air conditioner fin processing special mould of high accuracy, forming mechanism still includes the screw of unloading, the screw upper end of unloading sets up through the fix with screw the kicking plate orientation the one end of die direction, the screw lower extreme of unloading wears to locate the die holder and the die holder reciprocates.
The utility model has the advantages that:
(1) the special high-precision high-efficiency air conditioner fin processing die is arranged on a workbench of a punch press and is matched with the press machine for use, the special high-precision high-efficiency air conditioner fin processing die is simple in structure and convenient to use, and the processing process route comprises multiple times of deep drawing, pressing ripple shaping and stretching, punching and flanging transverse edges, trimming and slitting and cutting off in sequence, so that the precision and the efficiency of air conditioner fin processing are improved, and the application prospect is wide;
(2) efficient air conditioner fin processing special mould of high accuracy, the moulded die debugging is convenient, operation elasticity is big, and the precision is high, reduces the resilience problem, reliable and stable, the maintenance of each part of moulded die, quick change are convenient, have improved the moulded die life-span, have improved air conditioner fin shaping efficiency and quality effectively.
Drawings
Fig. 1 is a schematic view of the overall structure of the special high-precision high-efficiency air conditioner fin processing die of the present invention;
FIG. 2 is a schematic diagram of the forming die structure of the special die for processing the air conditioner fins with high precision and high efficiency of the present invention;
in the figure: the device comprises a die set 1, a large die set 11, an upper die set 12, a lower die set 13, a fixing plate 14, a drawing sub-die 2, a forming die 3, an upper die base 31, a lower die base 32, a forming mechanism 33, a male die 331, a female die 332, a positioning mechanism 333, a positioning movable block 3331, a positioning plate 3332, a positioning pin 3333, a material ejecting plate 334, a rectangular spring 335, a discharging screw 336, a guide post 34, a guide sleeve 35, a punching flanging die 4, an edge cutting and slitting die 5 and a cutting die 6.
Detailed Description
The invention will be further elucidated with reference to the accompanying figures 1 and 2 and the embodiments.
The special high-precision high-efficiency air conditioner fin processing die with the structure shown in fig. 1 comprises a die frame 1, a drawing sub die 2, a forming die 3, a punching flanging die 4, an edge cutting and slitting die 5 and a cutting die 6; the die carrier 1 comprises a large die carrier 11, an upper die carrier 12, a lower die carrier 13 and a fixing plate 14, wherein the upper die carrier 12 and the lower die carrier 13 are installed on the large die carrier 11, the fixing plate 14 is fixedly installed above the lower die carrier 12, the deep drawing sub-die 2, the forming die 3, the punching flanging die 4 and the trimming slitting die 5 are installed between the upper die carrier 12 and the fixing plate 14, and the cutting die 6 is installed at the rightmost end of the fixing plate 14; the large die frame 11 is provided with 4 pairs of large rolling guide pillar and guide sleeve guiding assemblies, and the upper die frame 12 and the lower die frame 13 are also respectively provided with 4 pairs of small rolling guide pillar and guide sleeve assemblies matched with the large die frame 11.
In addition, the upper mold frame 12, the lower mold frame 13, and the fixing plate 14 are provided with positioning screw pins.
As shown in fig. 2, the molding die 3 includes an upper die holder 31, a lower die holder 32, and a molding mechanism 33, the upper die holder 31 and the lower die holder 32 are connected to the upper mold frame 12 and the fixing plate 14, respectively, and the molding mechanism 33 is provided between the upper die holder 31 and the lower die holder 32.
In addition, the forming mechanism 33 comprises a male die 331, a female die 332, a positioning mechanism 333, a material ejecting plate 334 and a rectangular spring 335; the male die 331 is connected with the upper die holder 31 through a pin; a female die 332 corresponding to the male die 331 is arranged on one side of the male die 331, the ejector plate 334 is arranged below the male die 331 and the female die 332, the positioning mechanism 333 is arranged on the female die 332, and the rectangular spring 335 is arranged below the ejector plate 334 and connected with the ejector plate through a screw.
Further, the forming die 3 further includes a guide pillar 34 and a guide sleeve 35, an upper end and a lower end of the guide sleeve 35 are respectively connected with a lower end of the upper die holder 31 and an upper end of the guide pillar 34, and a lower end of the guide pillar 34 is connected with the lower die holder 32.
In addition, the positioning mechanism 333 includes a positioning movable block 3331, a positioning plate 3332, and a positioning pin 3333, the positioning plate 3332 is disposed above the position of the air-conditioning fin raw material placed in the cavity die 332 by screws, and the positioning movable block 3331 and the positioning pin 3333 are disposed on the side of the cavity die 332 where the air-conditioning fin raw material is placed.
Further, the forming mechanism 33 further includes a discharging screw 336, an upper end of the discharging screw 336 is fixedly disposed at one end of the ejector plate 334 facing the direction of the female die 332 through a screw, and a lower end of the discharging screw 336 penetrates through the lower die holder 32 and moves up and down on the lower die holder 32.
Examples
Based on the above structural basis, as shown in fig. 1 and 2.
Efficient air conditioner fin processing special mould of high accuracy, install on the punch press workstation, use with the press is supporting, simple structure, convenient to use, the processing technology route is in proper order for a lot of deep-drawing, press the ripple plastic tensile, the turn-ups that punches a hole turn-ups cross flange, side cut divides the strip, cuts off, is accomplished by corresponding deep-drawing submodule 2, forming die 3, the turn-ups mould 4 that punches a hole, side cut divide strip mould 5, cutting off mould 6 respectively.
The multi-station progressive die repetitive motion of the drawing sub-die 2, the forming die 3, the punching flanging die 4, the trimming slitting die 5 and the cutting die 6 is completed through the die carrier 1, the die carrier comprises a large die carrier 11, an upper die carrier 12, a lower die carrier 13 and a fixing plate 14, the large die carrier 11 is provided with 4 pairs of large rolling guide pillar and guide sleeve guide assemblies, namely a four-guide pillar ball die carrier structure, the upper die carrier 12 and the lower die carrier 13 are respectively matched by 4 pairs of small rolling guide pillar and guide sleeves, the precision of the die feeding repetitive motion of the drawing sub-die 2, the forming die 3, the punching flanging die 4, the trimming slitting die 5 and the cutting die is improved, and the application prospect is wide.
The rolling guide pillar and guide sleeve guide assembly of the large die frame 11, the upper die frame 12, the lower die frame 13 and the fixing plate 14 is a common structure in the prior art and is not specifically described here, and a person skilled in the art can select the rolling guide pillar and guide sleeve guide assembly according to needs, wherein the size of the large die frame 11, the size of the upper die frame 12, the size of the lower die frame 13 and the size of the fixing plate 14 are selected according to the size of a punch workbench and the size of an air conditioning fin, the thickness of the rolling guide pillar and guide sleeve guide assembly is selected according to the thickness of a standard punch die.
Furthermore, the upper mold frame 12, the lower mold frame 13 and the fixing plate 14 are provided with positioning screw pins to realize accurate positioning with the large mold plate, so as to ensure good stepping precision. Similarly, the structure and the specific position of the set screw pin are common in the prior art, and are not specifically described here, and those skilled in the art can select the set screw pin according to the needs.
Furthermore, the utility model discloses still improve the structure of forming die 3, the course of working of forming die 3 is as follows: the air conditioner fin to be processed is placed on a female die 332 of a forming die 3 after being subjected to multiple drawing by a drawing sub die 2, the air conditioner fin to be processed is well positioned by a positioning mechanism 333, an upper die base 31 is pressed down by a press machine, a male die 331 is pressed down, the male die 331 contacts the air conditioner fin to be processed and gradually presses down, at the moment, the air conditioner fin to be processed generates deformation under the pressure received by the air conditioner fin to be processed, the bending radius of the air conditioner fin to be processed is gradually reduced along with the continuous downward movement of the male die 331, until an ejector plate 334 and a lower die base 32 are collided with each other when the upper die base 31 is lowered, the air conditioner fin to be processed is tightly pressed between the male die and the female die, the air conditioner. Thereafter, the upper die holder 31 is restored, the male die 331 is raised, and the rectangular springs 335 act on the ejector plate 334 to eject the formed air-conditioning fin to be processed from the female die 332.
Further, the guide post 34 and the guide sleeve 35 are used to form a guiding device for forming the forming die 3, so as to ensure the matching of the male die 331 and the female die 332.
Furthermore, in order to facilitate the positioning and adjustment of the parts, a positioning movable block 3331 structure is adopted. Through the cooperation of location movable block 3331, locating plate 3332, locating pin 3333, can treat fast and process the air conditioner fin and fix a position, improve the machining precision.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, the embodiments of the present invention can be arbitrarily combined with each other, and the same shall be regarded as the disclosure of the present invention as long as the idea of the present invention is not violated.

Claims (7)

1. A high-precision high-efficiency special die for processing air conditioner fins is characterized by comprising a die frame (1), a drawing sub die (2), a forming die (3), a punching flanging die (4), a trimming and slitting die (5) and a cutting die (6); the die set (1) comprises a large die set (11), an upper die set (12), a lower die set (13) and a fixing plate (14), the upper die set (12) and the lower die set (13) are installed on the large die set (11), the fixing plate (14) is fixedly installed above the lower die set (13), the deep-drawing sub die (2), the forming die (3), the punching flanging die (4) and the trimming slitting die (5) are installed between the upper die set (12) and the fixing plate (14), and the cutting die (6) is installed at the rightmost end of the fixing plate (14); the large die frame (11) is provided with 4 pairs of large rolling guide post and guide sleeve guiding assemblies, and the upper die frame (12) and the lower die frame (13) are respectively provided with 4 pairs of small rolling guide post and guide sleeve assemblies matched with the large die frame (11).
2. The special high-precision high-efficiency air conditioner fin processing die as claimed in claim 1, wherein the upper die frame (12), the lower die frame (13) and the fixing plate (14) are all provided with positioning screw pins.
3. The special die for processing the air conditioner fins with high precision and high efficiency as claimed in claim 1, wherein the forming die (3) comprises an upper die holder (31), a lower die holder (32) and a forming mechanism (33), the upper die holder (31) and the lower die holder (32) are respectively connected with the upper die frame (12) and the fixing plate (14), and the forming mechanism (33) is arranged between the upper die holder (31) and the lower die holder (32).
4. The special high-precision high-efficiency air conditioner fin processing die as claimed in claim 3, wherein the forming mechanism (33) comprises a male die (331), a female die (332), a positioning mechanism (333), a material ejecting plate (334) and a rectangular spring (335); the male die (331) is connected with the upper die holder (31) through a pin; a female die (332) corresponding to the male die (331) is arranged on one side of the male die (331), the ejector plate (334) is arranged below the male die (331) and the female die (332), the positioning mechanism (333) is arranged on the female die (332), and the rectangular spring (335) is arranged below the ejector plate (334) and connected with the ejector plate through a screw.
5. The special high-precision high-efficiency air conditioner fin processing die as claimed in claim 4, wherein the forming die (3) further comprises a guide pillar (34) and a guide sleeve (35), the upper end and the lower end of the guide sleeve (35) are respectively connected with the lower end of the upper die holder (31) and the upper end of the guide pillar (34), and the lower end of the guide pillar (34) is connected with the lower die holder (32).
6. The mold for processing air conditioning fins with high precision and high efficiency as claimed in claim 5, wherein the positioning mechanism (333) comprises a positioning movable block (3331), a positioning plate (3332) and a positioning pin (3333), the positioning plate (3332) is disposed above the position of the female mold (332) for placing the raw material of air conditioning fins through screws, and the positioning movable block (3331) and the positioning pin (3333) are disposed on the side of the female mold (332) for placing the raw material of air conditioning fins.
7. The mold special for processing the air-conditioning fin with high precision and high efficiency as recited in claim 6, wherein the forming mechanism (33) further comprises a discharging screw (336), the upper end of the discharging screw (336) is fixedly arranged at one end of the ejector plate (334) facing the direction of the female die (332) through a screw, and the lower end of the discharging screw (336) penetrates through the lower die holder (32) and moves up and down on the lower die holder (32).
CN202020832796.8U 2020-05-19 2020-05-19 High-precision high-efficiency special die for processing air conditioner fins Active CN212664674U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020832796.8U CN212664674U (en) 2020-05-19 2020-05-19 High-precision high-efficiency special die for processing air conditioner fins

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020832796.8U CN212664674U (en) 2020-05-19 2020-05-19 High-precision high-efficiency special die for processing air conditioner fins

Publications (1)

Publication Number Publication Date
CN212664674U true CN212664674U (en) 2021-03-09

Family

ID=74812383

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020832796.8U Active CN212664674U (en) 2020-05-19 2020-05-19 High-precision high-efficiency special die for processing air conditioner fins

Country Status (1)

Country Link
CN (1) CN212664674U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113399559A (en) * 2021-06-18 2021-09-17 成都普什汽车模具有限公司 Automobile mold with mold-in-mold structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113399559A (en) * 2021-06-18 2021-09-17 成都普什汽车模具有限公司 Automobile mold with mold-in-mold structure

Similar Documents

Publication Publication Date Title
CN107470457B (en) Manufacturing method of easily-rebounded sheet metal part with S-shaped section and multi-station progressive die
CN213002148U (en) Continuous stamping die of bending piece
CN108889847A (en) A kind of spoke stamping processing composable mold
CN212664674U (en) High-precision high-efficiency special die for processing air conditioner fins
CN103736837A (en) Heat exchanger oval tube fin punching technology and die special for same
CN202316754U (en) Combined mold for punching on screen bracket
CN203565631U (en) Stamping die of oval-tube fins of heat exchangers
CN206492832U (en) A kind of accurate formula of stabilization is used for the punch die of punching
CN206810989U (en) New swaging side opening is integrally machined membrane module
CN217121478U (en) Novel W-shaped continuous forming die
CN206882581U (en) Drawing part necking down shapes class progressive die
CN215845186U (en) Metal plate bulging stamping device
CN113477766A (en) Stamping die with downthehole turn-ups shaping function
CN207982017U (en) The continuous stamping die of fingerprint recognition module hardware
CN207431071U (en) Mobile fingerprint unlocks soft board solid reinforcement steel disc Special multi-station die cutting die
CN220028411U (en) Continuous stamping die
CN217964366U (en) Harvester production is with taking shape deburring integral type stamping die
CN220781984U (en) Continuous forming die of automobile frame adapter plate
CN215392033U (en) Novel thermal shield stretching die
CN216606768U (en) 90 poor forming die that unloads of section
CN209238854U (en) A kind of arrangements for automotive doors fastenings stamping continuous die
CN212577309U (en) Impeller middle piece blanking forming die
CN211027763U (en) Side punching die
CN213378815U (en) Stamping aluminum foil turning and cutting die structure
CN217290035U (en) Punching system

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant