CN223056526U - Converging belt punching and cutting device - Google Patents

Converging belt punching and cutting device Download PDF

Info

Publication number
CN223056526U
CN223056526U CN202420781655.6U CN202420781655U CN223056526U CN 223056526 U CN223056526 U CN 223056526U CN 202420781655 U CN202420781655 U CN 202420781655U CN 223056526 U CN223056526 U CN 223056526U
Authority
CN
China
Prior art keywords
punching
cutting
hole
elastic
cutting device
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
CN202420781655.6U
Other languages
Chinese (zh)
Inventor
关瑞
鱼海翔
梅杰
张锋
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.)
Ningxia Xiaoniu Automation Equipment Co ltd
Original Assignee
Ningxia Xiaoniu Automation Equipment 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 Ningxia Xiaoniu Automation Equipment Co ltd filed Critical Ningxia Xiaoniu Automation Equipment Co ltd
Priority to CN202420781655.6U priority Critical patent/CN223056526U/en
Application granted granted Critical
Publication of CN223056526U publication Critical patent/CN223056526U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Punching Or Piercing (AREA)

Abstract

The application discloses a bus bar punching and cutting device which comprises a base, a driving piece, a cutting and punching die and an elastic supporting piece, wherein the driving piece is arranged on the base, the cutting and punching die is arranged on the driving end of the driving piece, a punching hole group is formed in the base along a first direction, a guide hole is formed in the base along a second direction, the punching hole group is communicated with the guide hole, the cutting and punching die and the punching hole group are oppositely arranged, the elastic supporting piece is arranged on the base along the second direction adjacent to the punching hole group, the supporting end of the elastic supporting piece stretches into the guide hole along the first direction, and the first direction is perpendicular to the second direction. According to the technical scheme, the problems that the photovoltaic welding strip is softer in texture, the end portion of the photovoltaic welding strip, which is broken by punching, can be bent downwards to extend into the punching hole, manual intervention is needed to move out the end of the photovoltaic welding strip extending into the punching hole so as to prepare the next group of converging strips, time and labor are wasted, and the preparation efficiency of the converging strips is reduced can be solved.

Description

Converging belt punching and cutting device
Technical Field
The utility model relates to the technical field of bus bar preparation, in particular to a bus bar punching and cutting device.
Background
In the photovoltaic module, a plurality of groups of bus strips are arranged, wherein part of the bus strips are welded with the junction box, the end parts of the bus strips welded with the junction box are folded upwards, and through holes are formed in the folded end parts, so that the bus strips can be different in shape according to different welding positions, and the manufacturing process is also different.
In the related art, the bus strap welding process for welding the junction box comprises the steps of firstly preparing a photovoltaic welding strap into a group of straight bus straps through a cutting mechanism, punching through holes through a punching mechanism, then upwards folding one end or two ends of the bus straps, and finally welding the bus straps on a plurality of typeset battery strings. Wherein, cutting mechanism and mechanism of punching a hole can be integrated into one piece structure, wherein, cutting mechanism adopts blanking mode preparation converging area, because photovoltaic solder strip matter is soft, and photovoltaic solder strip is the tip of being broken can buckle downwards and stretch into in the blanking hole, needs manual intervention to shift out the photovoltaic solder strip end that stretches into in the blanking hole to prepare next group converging area, waste time and energy, reduce converging area preparation efficiency.
Disclosure of utility model
The utility model aims to provide a bus bar punching and cutting device, which is used for solving the problems in the background technology.
In order to achieve the above purpose, the utility model provides the technical scheme that the bus belt punching and cutting device comprises a base, a driving piece, a cutting and punching die, an elastic supporting piece and an elastic pressing piece, wherein the driving piece is arranged on the base, the cutting and punching die is arranged on the driving end of the driving piece, the elastic pressing piece is arranged on the cutting and punching die, a punching hole group is formed in the base along a first direction, a guide hole is formed in the base along a second direction, the punching hole group is communicated with the guide hole, the cutting and punching die is arranged opposite to the punching hole group, the elastic supporting piece is arranged on the base adjacent to the punching hole group along the second direction, the elastic pressing piece is arranged opposite to the elastic supporting piece, and the supporting end of the elastic supporting piece extends into the guide hole along the first direction, and the first direction is perpendicular to the second direction.
Preferably, the cutting and punching die further comprises an elastic pressing piece, wherein the elastic pressing piece is arranged on the cutting and punching die, and the elastic pressing piece is arranged opposite to the elastic supporting piece.
Preferably, the base comprises a support frame and a pressing plate, the cutting and punching die is provided with a guide post, the pressing plate is arranged on the support frame, the punching hole group penetrates through the support frame and the pressing plate, the support frame is provided with a through hole, the guide post is in sliding fit with the through hole, and the axis of the guide hole is parallel to the first direction.
Preferably, the support frame is provided with the guide hole along the second direction, the pressing plate is provided with a groove along the second direction, and the groove and the guide hole form a feeding channel.
Preferably, the cutting and punching die is hinged with the driving end of the driving piece.
Preferably, the support end of the elastic support member is a spherical protrusion.
Preferably, the elastic support is a spring plunger.
Preferably, the cutting and punching die comprises a cutting punch and a punching column, the punching hole group comprises a cutting hole and a punching hole, the cutting punch is opposite to the cutting hole, and the punching column is opposite to the punching hole.
Preferably, the elastic pressing piece comprises a spring and a pressing column, the cutting and punching die is provided with a mounting hole, a part of the pressing column stretches into the mounting hole and is in sliding fit, the spring is located in the mounting hole, and two ends of the spring are respectively in elastic contact with the inner wall of the mounting hole and a part of the pressing column.
Preferably, the length of the pressing end of the elastic pressing piece is longer than the length of the cutting end of the cutting and punching die in the first direction.
The technical scheme adopted by the application can achieve the following beneficial effects:
In the bus bar punching and cutting device disclosed by the application, a driving piece is arranged on a base, a cutting and punching die is arranged at a driving end of the driving piece, a punching hole group is arranged on the base along a first direction, a guide hole is arranged on the base along a second direction, the first direction is vertical to the second direction, the punching hole group is communicated with the guide hole, an elastic supporting piece is arranged on the base along the second direction adjacent to the punching hole group, a supporting end of the elastic supporting piece stretches into the guide hole along the first direction, and the cutting and punching die is arranged opposite to the punching hole group.
In the use of the busbar punching and cutting device, one end of the photovoltaic welding strip passes through the guide hole and moves to the relative position of the punching hole group under the guide effect of the busbar punching and cutting device, wherein one end of the photovoltaic welding strip passes through and covers the supporting end of the elastic supporting piece, the tension strip hand of the photovoltaic welding strip and the tension strip winding drum are in a tightening state, the supporting end of the elastic supporting piece can be pressed and retracted, the photovoltaic welding strip moves to a preset length (namely, the welding length meeting the requirements of the photovoltaic assembly) relative to the punching hole group in the second direction, the driving piece drives the cutting and punching die to move downwards, and the punching die stretches into the punching hole group and is in sliding fit, so that the busbar is formed by cutting the photovoltaic welding strip.
When the photovoltaic solder strip continues to move, the supporting end of the elastic supporting piece is in contact with the photovoltaic solder strip and jacks up, so that the photovoltaic solder strip can be lifted by a certain distance, and one end of the photovoltaic solder strip is not abutted against the inner wall of the punching hole group even if being bent when passing through the punching hole group, and continuous conveying of the photovoltaic solder strip is completed, thereby avoiding stopping manual adjustment of the position of the photovoltaic solder strip end, saving time and labor, and improving the preparation efficiency of the converging strip.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of a bus bar punching and cutting device disclosed in an embodiment of the present application;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a side view of a bus bar punching and cutting device according to an embodiment of the present application;
Fig. 4 is a cross-sectional view of fig. 3.
100 Parts of a base, 110 parts of a punching hole group, 120 parts of a guide hole, 130 parts of a support frame, 140 parts of a pressing plate, 150 parts of a guide column, 200 parts of a driving piece, 300 parts of a cutting punching die, 310 parts of a cutting punch, 320 parts of a punching column, 400 parts of an elastic support piece, 500 parts of an elastic pressing piece, 510 parts of a spring, 520 parts of a pressing column and 600 parts of a waste barrel.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model. This utility model 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 "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
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 utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
As shown in fig. 1 to 4, the present application discloses a bus bar punching and cutting device, which includes a base 100, a driving member 200, a cutting and punching die 300, and an elastic support member 400.
Specifically, the driving member 200 is disposed on the base 100, the cutting and punching die 300 is disposed at the driving end of the driving member 200, the base 100 is provided with the punching hole set 110 along the first direction, the base 100 is provided with the guide hole 120 along the second direction, the first direction is perpendicular to the second direction, the punching hole set 110 is communicated with the guide hole 120, the elastic support member 400 is disposed on the base 100 adjacent to the punching hole set 110 along the second direction, the supporting end of the elastic support member 400 extends into the guide hole 120 along the first direction, and the cutting and punching die 300 is disposed opposite to the punching hole set 110.
In the use process of the busbar punching and cutting device, one end of the photovoltaic solder strip passes through the guide hole 120 and moves to the opposite position of the punching hole group 110 under the guide action of the photovoltaic solder strip, wherein the one end of the photovoltaic solder strip passes through and covers the supporting end of the elastic supporting piece 400, the tension strip hand of the photovoltaic solder strip and the tension strip winding drum are in a tightening state, so that the supporting end of the elastic supporting piece 400 can be pressed and retracted, the photovoltaic solder strip moves to a preset length (namely, a welding length meeting the requirement of a photovoltaic assembly) relative to the punching hole group 110 in the second direction, the driving piece 200 drives the cutting and punching die 300 to move downwards, and the punching die stretches into the punching hole group 110 and is in sliding fit, so that the photovoltaic solder strip is cut to form a busbar.
When the photovoltaic solder strip continues to move, the supporting end of the elastic supporting piece 400 is in contact with the photovoltaic solder strip and jacks up, so that lifting and supporting effects are provided, the photovoltaic solder strip can be lifted by a certain distance, one end of the photovoltaic solder strip is not abutted against the inner wall of the punching hole group 110 even if bending occurs when the photovoltaic solder strip passes through the punching hole group 110, continuous conveying of the photovoltaic solder strip is completed, and therefore the position of the photovoltaic solder strip end is prevented from being adjusted manually by stopping, time and labor are saved, and the preparation efficiency of the converging strip is improved.
In addition, the driving member 200 may be a telescopic cylinder, a telescopic electric cylinder, or the like, and the present application is not limited thereto.
In the embodiment of the present application, the disclosed busbar punching and cutting device may further include an elastic pressing member 500, where the elastic pressing member 500 is disposed on the cutting and punching die 300, the elastic pressing member 500 is disposed opposite to the elastic supporting member 400, the photovoltaic solder strip moves to extend a preset length (i.e. a welding length meeting the requirements of the photovoltaic module) relative to the punching hole set 110, and the elastic pressing member 500 descends along with the cutting and punching die 300 to contact the photovoltaic solder strip and pushes the supporting ends of the photovoltaic solder strip and the elastic supporting member 400 to retract the supporting ends, so as to achieve the effects of leveling and fixing the photovoltaic solder strip.
In the embodiment of the present application, the base 100 may include a support 130 and a pressing plate 140, specifically, the cutting and punching die 300 is provided with a guide post 150, the pressing plate 140 is disposed on the support 130, the punching hole group 110 penetrates through the support 130 and the pressing plate 140, the support 130 is provided with a through hole, the guide post 150 is in sliding fit with the through hole, and the axis of the guide hole 120 is parallel to the first direction. The above structure improves the moving precision of the cutting and punching die 300 through the sliding fit of the guide post 150 and the through hole, and ensures the preparation effect of the converging belt.
In a further technical solution, the support 130 may be provided with a guide hole 120 along the second direction, the pressing plate 140 is provided with a groove along the second direction, the groove and the guide hole 120 form a feeding channel, and the pressing plate 140 and the support 130 form a limit fit on the second direction except for the photovoltaic solder strip.
In still another embodiment, the cutting and punching die 300 may be hinged to the driving end of the driving member 200, and the cutting and punching die set may obtain the driving force along the first direction only at the driving member 200 under the sliding fit of the guide post 150 and the guide hole 120, so that the mounting accuracy of the driving member 200 may be reduced, in other words, the processing accuracy of the flatness of the base 100 may be advantageously reduced.
In an embodiment of the present application, the supporting end of the elastic supporting member 400 may be a spherical protrusion, and the spherical protrusion helps to provide a guiding effect for the photovoltaic solder strip, so as to avoid the photovoltaic solder strip from colliding and stopping when moving to the supporting end.
In an alternative, the elastic support 400 may be an elastic rubber rod, a combined structure of the spring 510 and nylon, or the like, and in another alternative, the elastic support 400 may be a spring plunger, which is threaded, so that the size of the support end extending into the guide hole 120 is conveniently adjusted, and the stability of cutting and punching of the bus tie is facilitated.
In an embodiment of the present application, the cutting and punching die 300 may include a cutting punch 310 and a punching column 320, and specifically, the punching hole group 110 includes a cutting hole and a punching hole, the cutting punch 310 is disposed opposite to the cutting hole, and the punching column 320 is disposed opposite to the punching hole.
In the embodiment of the present application, the base 100 may further be provided with a waste bin 600, specifically, an inner cavity of the waste bin 600 is communicated with the punching hole set 110, and the cut waste can be collected uniformly through the waste bin 600.
In this embodiment of the present application, the elastic pressing member 500 may include a spring 510 and a pressing post 520, the cutting and punching die 300 is provided with a mounting hole, a portion of the pressing post 520 extends into the mounting hole and is slidably engaged, the spring 510 is located in the mounting hole, and two ends of the spring 510 are respectively elastically contacted with an inner wall of the mounting hole and a portion of the pressing post 520.
Of course, the elastic pressing member 500 may be a silica gel column, a sponge column, or the like, and the present application is not limited thereto.
In this embodiment of the present application, in the first direction, the length of the pressing end of the elastic pressing member 500 may be longer than the length of the cutting end of the punching die 300, so that the photovoltaic solder strip moves to extend a preset length (i.e. the welding length meeting the requirements of the photovoltaic module) relative to the punching die set 110, the driving member 200 drives the punching die 300 to move downward, and the elastic pressing member 500 descends along with the punching die 300, but contacts with the photovoltaic solder strip first and pushes the supporting ends of the photovoltaic solder strip and the elastic supporting member 400 to retract the supporting ends, so as to finish leveling and fixing the photovoltaic solder strip, and then the punching die extends into the punching die set 110 and is in sliding fit, so that the photovoltaic solder strip is cut to form a busbar, and the photovoltaic solder strip is pressed and fixed first and then cut, thereby ensuring the manufacturing effect of the busbar.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1.一种汇流带冲孔裁切装置,其特征在于,包括基座(100)、驱动件(200)、裁切冲孔模具(300)和弹性支撑件(400),所述驱动件(200)设于所述基座(100)上,所述裁切冲孔模具(300)设于所述驱动件(200)的驱动端,所述基座(100)沿第一方向开设有冲压孔组(110),所述基座(100)沿第二方向开设有导向孔(120),所述冲压孔组(110)与所述导向孔(120)连通,所述裁切冲孔模具(300)与所述冲压孔组(110)相对设置,所述弹性支撑件(400)沿所述第二方向邻近所述冲压孔组(110)设于所述基座(100)上,所述弹性支撑件(400)的支撑端沿所述第一方向伸入所述导向孔(120)中,所述第一方向与所述第二方向垂直。1. A busbar punching and cutting device, characterized in that it comprises a base (100), a driving member (200), a cutting and punching die (300) and an elastic support member (400), wherein the driving member (200) is arranged on the base (100), the cutting and punching die (300) is arranged at the driving end of the driving member (200), the base (100) is provided with a punching hole group (110) along a first direction, and the base (100) is provided with a guide hole group (110) along a second direction. The punching hole group (110) is connected to the guide hole (120), the cutting and punching die (300) is arranged opposite to the punching hole group (110), the elastic support member (400) is arranged on the base (100) adjacent to the punching hole group (110) along the second direction, and the supporting end of the elastic support member (400) extends into the guide hole (120) along the first direction, and the first direction is perpendicular to the second direction. 2.根据权利要求1所述的汇流带冲孔裁切装置,其特征在于,还包括弹性按压件(500),所述弹性按压件(500)设于所述裁切冲孔模具(300)上,所述弹性按压件(500)与所述弹性支撑件(400)相对设置。2. The busbar punching and cutting device according to claim 1 is characterized in that it also includes an elastic pressing member (500), wherein the elastic pressing member (500) is arranged on the cutting and punching mold (300), and the elastic pressing member (500) is arranged opposite to the elastic supporting member (400). 3.根据权利要求1所述的汇流带冲孔裁切装置,其特征在于,所述基座(100)包括支撑架(130)和压板(140),所述裁切冲孔模具(300)设有导向柱(150),所述压板(140)设于所述支撑架(130)上,所述冲压孔组(110)贯穿所述支撑架(130)和所述压板(140),所述支撑架(130)开设有通孔,所述导向柱(150)与所述通孔滑动配合,所述导向孔(120)的轴线与所述第一方向平行。3. The busbar punching and cutting device according to claim 1 is characterized in that the base (100) includes a support frame (130) and a pressure plate (140), the cutting and punching mold (300) is provided with a guide column (150), the pressure plate (140) is arranged on the support frame (130), the punching hole group (110) passes through the support frame (130) and the pressure plate (140), the support frame (130) is provided with a through hole, the guide column (150) is slidably matched with the through hole, and the axis of the guide hole (120) is parallel to the first direction. 4.根据权利要求3所述的汇流带冲孔裁切装置,其特征在于,所述支撑架(130)沿所述第二方向开设所述导向孔(120),所述压板(140)沿所述第二方向开设有凹槽,所述凹槽与所述导向孔(120)形成进料通道。4. The busbar punching and cutting device according to claim 3 is characterized in that the support frame (130) opens the guide hole (120) along the second direction, and the pressure plate (140) opens a groove along the second direction, and the groove and the guide hole (120) form a feed channel. 5.根据权利要求3所述的汇流带冲孔裁切装置,其特征在于,所述裁切冲孔模具(300)与所述驱动件(200)的驱动端铰接相连。5. The busbar punching and cutting device according to claim 3, characterized in that the cutting and punching die (300) is hingedly connected to the driving end of the driving member (200). 6.根据权利要求1所述的汇流带冲孔裁切装置,其特征在于,所述弹性支撑件(400)的支撑端为球形凸起。6. The busbar punching and cutting device according to claim 1, characterized in that the supporting end of the elastic support member (400) is a spherical protrusion. 7.根据权利要求1所述的汇流带冲孔裁切装置,其特征在于,所述弹性支撑件(400)为弹簧柱塞。7. The busbar punching and cutting device according to claim 1, characterized in that the elastic support member (400) is a spring plunger. 8.根据权利要求5所述的汇流带冲孔裁切装置,其特征在于,裁切冲孔模具(300)包括裁切冲头(310)和冲孔柱(320),所述冲压孔组(110)包括裁切孔和冲孔,所述裁切冲头(310)与所述裁切孔相对设置,所述冲孔柱(320)与所述冲孔相对设置。8. The busbar punching and cutting device according to claim 5 is characterized in that the cutting and punching mold (300) includes a cutting punch (310) and a punching column (320), the punching hole group (110) includes a cutting hole and a punching hole, the cutting punch (310) is arranged opposite to the cutting hole, and the punching column (320) is arranged opposite to the punching hole. 9.根据权利要求2所述的汇流带冲孔裁切装置,其特征在于,所述弹性按压件(500)包括弹簧(510)和按压柱(520),所述裁切冲孔模具(300)开设有安装孔,所述按压柱(520)的部分伸入所述安装孔中,并滑动配合,所述弹簧(510)位于所述安装孔中,所述弹簧(510)的两端分别与所述安装孔的内壁和所述按压柱(520)的部分弹性接触。9. The busbar punching and cutting device according to claim 2 is characterized in that the elastic pressing piece (500) includes a spring (510) and a pressing column (520), the cutting and punching mold (300) is provided with a mounting hole, a portion of the pressing column (520) extends into the mounting hole and slides in conjunction with it, the spring (510) is located in the mounting hole, and both ends of the spring (510) are elastically in contact with the inner wall of the mounting hole and a portion of the pressing column (520) respectively. 10.根据权利要求2所述的汇流带冲孔裁切装置,其特征在于,在沿所述第一方向上,所述弹性按压件(500)的按压端的长度比所述裁切冲孔模具(300)的裁切端的长度长。10. The busbar punching and cutting device according to claim 2, characterized in that, along the first direction, the length of the pressing end of the elastic pressing member (500) is longer than the length of the cutting end of the cutting and punching die (300).
CN202420781655.6U 2024-04-16 2024-04-16 Converging belt punching and cutting device Active CN223056526U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202420781655.6U CN223056526U (en) 2024-04-16 2024-04-16 Converging belt punching and cutting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202420781655.6U CN223056526U (en) 2024-04-16 2024-04-16 Converging belt punching and cutting device

Publications (1)

Publication Number Publication Date
CN223056526U true CN223056526U (en) 2025-07-04

Family

ID=96214440

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202420781655.6U Active CN223056526U (en) 2024-04-16 2024-04-16 Converging belt punching and cutting device

Country Status (1)

Country Link
CN (1) CN223056526U (en)

Similar Documents

Publication Publication Date Title
CN207359685U (en) A kind of automobile handware stamping equipment of automatic positioning
CN223056526U (en) Converging belt punching and cutting device
CN208515005U (en) A kind of aluminum plastic film automatic forming machine
CN210435251U (en) Axial diode pin punching flattening device
CN219503531U (en) Punching blanking die capable of reducing punching force
CN214814999U (en) Perforating device is used in production of multicavity die carrier
CN213350430U (en) Cutting device of roll forming machine
CN220591369U (en) Stamping die convenient for demolding
CN210731729U (en) Cutting mechanism on cold bending machine
CN221414730U (en) Mould convenient for demoulding
CN115467153A (en) Tailoring fixing device
CN219769081U (en) Edge folding mechanism
CN209613961U (en) For laptop CPU heat dissipation conduction legs punching press lower die
CN209156813U (en) A kind of three-dimensional stamping device
CN222536018U (en) A punching and forming device for wire hole plate of distribution box
CN219683695U (en) Television bracket precise stamping die easy to demould
CN218903211U (en) A cylindrical battery lug bending mechanism
CN119187324B (en) Intelligent unmanned vending machine shell stamping forming device
CN216096112U (en) Precision bending mold for tiny linear part of product periphery
CN221537840U (en) Bending device for bridge frame processing
CN220409708U (en) Pressurization frock of wind-powered electricity generation blade sample preparation
CN222643111U (en) Power punch structure of semiconductor rib cutting and forming equipment
CN223325322U (en) Stamping device for notebook built-in sheet metal part
CN222220917U (en) Die changing device of large-sized punching machine
CN223011667U (en) A processingequipment that is used for door frame winding to cut off and crooked

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant