CN108453166A - A kind of cable processing idler wheel punching ring cutting device and ring cutting method - Google Patents
A kind of cable processing idler wheel punching ring cutting device and ring cutting method Download PDFInfo
- Publication number
- CN108453166A CN108453166A CN201810315319.1A CN201810315319A CN108453166A CN 108453166 A CN108453166 A CN 108453166A CN 201810315319 A CN201810315319 A CN 201810315319A CN 108453166 A CN108453166 A CN 108453166A
- Authority
- CN
- China
- Prior art keywords
- cable
- ring cutting
- punching
- idler wheel
- knife rest
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F11/00—Cutting wire
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Cable Installation (AREA)
Abstract
The invention discloses a kind of cable processing idler wheel punching ring cutting devices of cable processing technique field, resistance to pressuring oil pipe is provided on the right side of the oil pump, the hydraulic telescopic rod bottom is provided with punching drill bit, the other end of the resistance to pressuring oil pipe is connected through support plate with hydraulic telescopic rod, the top right side of the pedestal is provided with supporting rack, the bench-top is provided with fixed plate, it is provided with fixed limiter at the top of the fixed plate, idler wheel article putting groove is provided in the middle part of the workbench, the protection box cavity is provided with motor, it is provided with circular cutter at the top of the knife rest, side connecting screw of the circular cutter close to knife rest, the side of the fixed block supporting rack is separately connected stiffness spring and elastic compression part, the other end of the stiffness spring and elastic compression part is all connected with gripping block.The inventive structure is simple, can meet cable punching and ring cutting operation simultaneously, can not only improve the efficiency of work, but also can reduce the cost of production.
Description
Technical field
The present invention relates to cable processing technique field, specially a kind of cable processing idler wheel punching ring cutting device and ring cutting
Method.
Background technology
With further speeding up for Urbanization in China, infrastructure construction further strengthens, the installation of municipal works
A large amount of high-altitude operation vehicle is will need to operation and the construction and operation maintenance of power grid, ring is used due to high-altitude operation vehicle
Border is multifarious, and high-altitude operation vehicle corollary equipment is also constantly updating.This requires with the matching used electricity of high-altitude operation vehicle
Cable will also have more excellent performance, mitigate manual labor, and raise labour productivity etc. is of great significance,
The dedicated computer control cable of hydraulic test needs to meet the special requirement of hydraulic test in use, and cable exists
In use, needing often bending, drawing, unavoidably rubs, scrape.The mechanical damages such as crush.The workshop of cable
Various equipment must rationally be discharged by the technological process of requirement of production product, make the semi-finished product in each stage, sequentially circulate, if
The standby balance for preparing the production capacity that consider that production efficiency is different and carries out, some equipment may must prepare two or more
Platform just can enable the production capacity of production line balance, to the arrangement of the reasonable selection combination and production site of equipment, it is necessary to
Considered according to the output of product, existing equipment can not meet cable punching and ring cutting operation simultaneously, this just leads
Production efficiency decline has been caused, has on the other hand also increased production cost.
Based on this, the present invention devises a kind of cable processing idler wheel punching ring cutting device and ring cutting method, in solution
State problem.
Invention content
The purpose of the present invention is to provide a kind of cable processing idler wheel punching ring cutting device and ring cutting methods, in solution
State proposed in background technology at production inefficiency, at producing problem of high cost.
To achieve the above object, the present invention provides the following technical solutions：A kind of cable processing idler wheel punching ring cutting device,
Including pedestal, the top left side of the pedestal is provided with lifting lever apparatus, and support is fixedly installed at the top of the lifting lever apparatus
Plate, the support plate top are provided with oil pump, resistance to pressuring oil pipe are provided on the right side of the oil pump, is provided on the resistance to pressuring oil pipe
Solenoid valve, the support plate bottom are provided with hydraulic telescopic rod, and the hydraulic telescopic rod bottom is provided with punching drill bit, described resistance to
The other end of pressuring oil pipe is connected through support plate with hydraulic telescopic rod, and the top right side of the pedestal is provided with supporting rack, described
It is provided with workbench at the top of supporting rack, and workbench is located at the underface of punching drill bit, the bench-top is provided with fixation
Plate, the fixed plate top are provided with fixed limiter, idler wheel article putting groove are provided in the middle part of the workbench, is propped up described in two groups
Recycling bins are provided between support, the recycling bins intracavity bottom is provided with guard box, and the protection box cavity is provided with motor,
It is provided with retarder at the top of the motor, shaft is provided at the top of the retarder, the shaft connects behind guard box top
It is connected to knife rest, is provided with circular cutter at the top of the knife rest, the circular cutter is propped up close to the side connecting screw of knife rest described in two groups
Support top side wall is both provided with fixed block, and the side of the fixed block supporting rack is separately connected stiffness spring and elastic compression
Part, and the elastic compression part is arranged the outer rim in stiffness spring, the other end of the stiffness spring and elastic compression part connects
Gripping block is connect, cable is clamped between gripping block described in two groups.
Preferably, it is provided with external thread section at the top of the shaft, the knife rest bottom is provided with to be matched with external thread section
Threaded hole.
Preferably, the screw rod runs through threaded hole back clevis cutter, and to be set as two groups of structures identical for the circular cutter
Device, the axial line of circular cutter described in two groups is arranged on a horizontal line.
Preferably, the gripping block is set as arc-shaped, and is set as concentric with cable, in the gripping block and cable
Contact position be provided with resilient rubbber cushion, decorative pattern arranged in arrays is provided on the resilient rubbber cushion.
Preferably, the hydraulic telescopic rod bottom is provided with flanged plate, and the punching drill bit is stretched by flanged plate and hydraulic pressure
Contracting bar is fixedly connected.
Preferably, the surrounding of the knife rest is provided with shred holding up plate, and shred holding up plate is arranged below workbench.
A kind of ring cutting method of cable processing idler wheel punching ring cutting device is as follows：
S1:Cable is installed：Cable is positioned in the idler wheel article putting groove among workbench, is then consolidated by fixed plate
It is fixed, ensure that cable can be fixed vertically, is convenient to the work continuity of punching drill bit, and carried out by fixed limiter
Limit is handled；
S2:Cable punching：After cable installs, by moving lifting lever apparatus make punching drill bit be located at cable just on
Side, then starts oil pump, and opens solenoid valve makes hydraulic telescopic rod start to work, and punching drill bit is driven to be punched out cable；
S3:Cable ring cutting：When carrying out the ring cutting operation to cable, the fixed block connection stiffness spring on supporting rack and bullet
Property compression piece, cable is clamped by gripping block, resilient rubbber cushion can play increase friction, the work for preventing cable from falling off
With then starting motor, rotated by retarder and shaft band movable knife rack, to being cut with the circular cutter on movable knife rack
Remove, when to the cable ring cutting of different-diameter, can be carried out by the screw rod closed with the corresponding threaded holes on knife rest circular cutter into
To the adjustment of amount, to increase the applicability of device, the ring cutting operation of cable is realized；
S4:After the completion of ring cutting, waste material is fallen into recycling bins, improves the cleaning of device, is then sequentially repeated above
Operating procedure carries out volume production production, completes production requirement.
Compared with prior art, the beneficial effects of the invention are as follows：
1. the inventive structure is simple, easy to use, by the way that cable is fixed as vertical direction, and using fixed plate by its
It is fixed, while idler wheel article putting groove is set, and fixed limiter is provided at the top of fixed plate, it is ensured that the cable in punching
Stability, in addition circular cutter is set below workbench, can meet simultaneously cable punching and ring cutting operation, can not only improve
The efficiency of work, but also the cost of production can be reduced.
2. the adjustment of the amount of feeding can be carried out to circular cutter by the way that screw rod and knife rest is arranged, in order to increase the suitable of circular cutter
With property, it can ensure that cable 21 can improve ring when ring cutting by the way that grip block, stiffness spring and elastic compression part is arranged
The cutting stability of cutter, increases the operating accuracy of circular cutter.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the portions A of the present invention structural schematic diagram；
Fig. 3 is the portions B of the present invention structural schematic diagram；
Fig. 4 is the sections C of the present invention figure structure schematic representation；
Fig. 5 is the portions A of the present invention structural schematic diagram；
Fig. 6 is the portions A of the present invention structural schematic diagram.
In figure：1 pedestal, 2 lifting lever apparatus, 3 support plates, 4 oil pumps, 5 hydraulic telescopic rods, 6 punching drill bits, 7 supporting racks, 8
Workbench, 9 motors, 10 retarders, 11 shafts, 1101 external thread sections, 12 fixed plates, 13 idler wheel article putting grooves, 14 knife rests, in 1401
Limit is fixed in threaded hole, 15 threaded holes, 16 screw rods, 17 circular cutters, 18 fixed blocks, 19 stiffness springs, 20 gripping blocks, 21 cables, 22
Position device, 2201 fastening bolts, 2202 nuts, 2,203 first arc-shaped limit rings, 2,204 second arc-shaped limit rings, 23 recycling bins, 24
Guard box, 25 elastic compression parts, 26 resilient rubbber cushions, 27 resistance to pressuring oil pipes, 28 solenoid valves.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 6 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of cable processing idler wheel punching ring cutting device, packet
Pedestal 1 is included, the top left side of pedestal 1 is provided with lifting lever apparatus 2, and 2 top of lifting lever apparatus is fixedly installed support plate 3, props up
3 top of fagging is provided with oil pump 4, and the right side of oil pump 4 is provided with resistance to pressuring oil pipe 27, solenoid valve 28 is provided on resistance to pressuring oil pipe 27,
3 bottom of support plate is provided with hydraulic telescopic rod 5, and 5 bottom of hydraulic telescopic rod is provided with punching drill bit 6, resistance to pressuring oil pipe 27 it is another
End is connected through support plate 3 and hydraulic telescopic rod 5, and the top right side of pedestal 1 is provided with supporting rack 7, and 7 top of supporting rack is provided with
Workbench 8, and workbench 8 is located at the underface of punching drill bit 6,8 top of workbench is provided with fixed plate 12,12 top of fixed plate
It is provided with fixed limiter 22, the middle part of workbench 8 is provided with idler wheel article putting groove 13, recycling is provided between two groups of supporting racks 7
Case 23,23 intracavity bottom of recycling bins are provided with guard box 24, and 24 inner cavity of guard box is provided with motor 9, and 9 top of motor, which is provided with, to be subtracted
Fast device 10,10 top of retarder are provided with shaft 11, and shaft 11 is connected with knife rest 14 behind 24 top of guard box, and knife rest 14 pushes up
Portion is provided with circular cutter 17, and close to the side connecting screw 16 of knife rest 14, two groups of 7 top side walls of supporting rack are respectively provided with circular cutter 17
There are fixed block 18, the side of 18 supporting rack 7 of fixed block to be separately connected stiffness spring 18 and elastic compression part 25, and elastic compression part
25 are arranged the outer rim in stiffness spring 18, and the other end of stiffness spring 18 and elastic compression part 25 is all connected with gripping block 20, two groups
Cable 21 is clamped between gripping block 20.
Wherein, 11 top of shaft is provided with external thread section 1101, and 14 bottom of knife rest is provided with to match with external thread section 1101
The threaded hole 15 of conjunction, the connective stability of shaft 11 and knife rest 14 can be improved by this set, and screw rod 16 runs through threaded hole
15 back clevis cutters 17, and circular cutter 17 is set as the identical device of two groups of structures, the axial line setting of two groups of circular cutters 17
On a horizontal line, the amount of feeding of circular cutter 17 can be adjusted by this set, while ring cutting can also be improved
Efficiency, gripping block 20 are set as arc-shaped, and are set as concentric with cable 21, and in the gripping block 20 and contact position of cable 21 is set
It is equipped with resilient rubbber cushion 26, decorative pattern arranged in arrays is provided on resilient rubbber cushion 26, can ensure to press from both sides by this set
The clamping stability of tight block 20,5 bottom of hydraulic telescopic rod are provided with flanged plate, and punching drill bit 6 passes through flanged plate and hydraulically extensible
Bar 5 is fixedly connected, and the durability of punching drill bit 6 can be improved by this set, while can also increase stability, knife rest 14
Surrounding be provided with shred holding up plate, and shred holding up plate is arranged below workbench 8, can be worked with effective protection people by this set
Member prevents chip spillage from injuring staff.
A kind of ring cutting method of cable processing idler wheel punching ring cutting device is as follows：
S1:Cable is installed：Cable 21 is positioned in the idler wheel article putting groove 13 among workbench 8, fixed plate is then passed through
12 are fixed, and ensure that cable 21 can be fixed vertically, are convenient to the work continuity of punching drill bit 6, and limit by fixed
Position device 22 is carried out limit processing；
S2:Cable punching：After cable 21 installs, punching drill bit 6 is set to be located at cable 21 by moving lifting lever apparatus 2
Surface, then start oil pump 4, opens solenoid valve 28, make hydraulic telescopic rod 5 start to work, drive punching drill bit 6 to cable
21 are punched out；
S3:Cable ring cutting：When carrying out the ring cutting operation to cable 21, the fixed block 18 on supporting rack 7 connects Rigid Projectiles
Spring 19 and elastic compression part 25 are clamped cable 21 by gripping block 20, and resilient rubbber cushion 26 can play increase friction,
Then the effect for preventing cable 21 from falling off starts motor 9, is rotated with movable knife rack 14 by retarder 10 and shaft 11, from
And cut off with the circular cutter 17 on movable knife rack 14, when to 21 ring cutting of cable of different-diameter, can by with knife rest 14
On 15 matched screw rod 16 of threaded hole carry out 17 amount of feeding of circular cutter adjustment, to increase the applicability of device, realize
The ring cutting of cable 21 operates；
S4:After the completion of ring cutting, waste material is fallen into recycling bins 23, improves the cleaning of device, be then sequentially repeated with
Upper operating procedure carries out volume production production, completes production requirement.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of cable processing idler wheel punching ring cutting device, including pedestal (1), it is characterised in that：The top of the pedestal (1)
Left side is provided with lifting lever apparatus (2), and support plate (3), the support plate are fixedly installed at the top of the lifting lever apparatus (2)
(3) top is provided with oil pump (4), and resistance to pressuring oil pipe (27) is provided on the right side of the oil pump (4), is set on the resistance to pressuring oil pipe (27)
It is equipped with solenoid valve (28), support plate (3) bottom is provided with hydraulic telescopic rod (5), hydraulic telescopic rod (5) the bottom setting
There are punching drill bit (6), the other end of the resistance to pressuring oil pipe (27) to be connected through support plate (3) and hydraulic telescopic rod (5), the bottom
The top right side of seat (1) is provided with supporting rack (7), and workbench (8), and workbench (8) position are provided at the top of support frame as described above (7)
Underface in punching drill bit (6), workbench (8) top are provided with fixed plate (12), are set at the top of the fixed plate (12)
It is equipped with fixed limiter (22), idler wheel article putting groove (13), two groups of support frames as described above (7) are provided in the middle part of the workbench (8)
Between be provided with recycling bins (23), recycling bins (23) intracavity bottom is provided with guard box (24), in the guard box (24)
Chamber is provided with motor (9), and retarder (10) is provided at the top of the motor (9), shaft is provided at the top of the retarder (10)
(11), it is connected with knife rest (14) after the shaft (11) is at the top of guard box (24), ring is provided at the top of the knife rest (14)
Cutter (17), the circular cutter (17) is close to the side connecting screw (16) of knife rest (14), two groups of support frame as described above (7) side wall tops
Portion is both provided with fixed block (18), and the side of fixed block (18) supporting rack (7) is separately connected stiffness spring (18) and elasticity
Compression piece (25), and the elastic compression part (25) setting is in the outer rim of stiffness spring (18), the stiffness spring (18) and bullet
The other end of property compression piece (25) is all connected with gripping block (20), and cable (21) is clamped between gripping block (20) described in two groups.
2. a kind of cable processing idler wheel punching ring cutting device according to claim 1, it is characterised in that：The shaft
(11) top is provided with external thread section (1101), and knife rest (14) bottom is provided with and external thread section (1101) matched spiral shell
Pit (15).
3. a kind of cable processing idler wheel punching ring cutting device according to claim 1, it is characterised in that：The screw rod
(16) run through threaded hole (15) back clevis cutter (17), and the circular cutter (17) is set as the identical device of two groups of structures,
The axial line of circular cutter (17) described in two groups is arranged on a horizontal line.
4. a kind of cable processing idler wheel punching ring cutting device according to claim 1, it is characterised in that：The gripping block
(20) it is set as arc-shaped, and is set as concentric with cable (21), on the gripping block (20) and the contact position of cable (21)
It is provided with resilient rubbber cushion (26), decorative pattern arranged in arrays is provided on the resilient rubbber cushion (26).
5. a kind of cable processing idler wheel punching ring cutting device according to claim 1, it is characterised in that：The hydraulic pressure is stretched
Contracting bar (5) bottom is provided with flanged plate, and the punching drill bit (6) is fixedly connected by flanged plate with hydraulic telescopic rod (5).
6. a kind of cable processing idler wheel punching ring cutting device according to claim 1, it is characterised in that：The knife rest
(14) surrounding is provided with shred holding up plate, and shred holding up plate setting is below workbench (8).
7. a kind of ring cutting method of cable processing idler wheel punching ring cutting device, it is characterised in that：This kind of cable processing idler wheel
The ring cutting method of punching ring cutting device is as follows：
S1：Cable is installed：Cable (21) is positioned in the intermediate idler wheel article putting groove (13) of workbench (8), fixation is then passed through
Plate (12) is fixed, and ensures that cable (21) can be fixed vertically, is convenient to the work continuity of punching drill bit (6), and lead to
It crosses fixed limiter (22) and is carried out limit processing；
S2：Cable punching：After cable (21) installs, punching drill bit (6) is set to be located at cable by moving lifting lever apparatus (2)
(21) then surface starts oil pump (4), opens solenoid valve (28) makes hydraulic telescopic rod (5) start to work, and drives punching
Drill bit (6) is punched out cable (21)；
S3:Cable ring cutting：When carrying out the ring cutting operation to cable (21), fixed block (18) the connection rigidity on supporting rack (7)
Spring (19) and elastic compression part (25) are clamped cable (21) by gripping block (20), and resilient rubbber cushion (26) can be with
Play the role of increasing friction, prevent cable (21) from falling off, then starts motor (9), pass through retarder (10) and shaft (11)
Band movable knife rack (14) is rotated, to be cut off with the circular cutter (17) on movable knife rack (14), in the electricity to different-diameter
When cable (21) ring cutting, can by on knife rest (14) threaded hole (15) matched screw rod (16) carry out circular cutter (17) into
To the adjustment of amount, to increase the applicability of device, the ring cutting operation of cable (21) is realized；
S4:After the completion of ring cutting, waste material is fallen into recycling bins (23), improves the cleaning of device, is then sequentially repeated above
Operating procedure carries out volume production production, completes production requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810315319.1A CN108453166A (en) | 2018-04-10 | 2018-04-10 | A kind of cable processing idler wheel punching ring cutting device and ring cutting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810315319.1A CN108453166A (en) | 2018-04-10 | 2018-04-10 | A kind of cable processing idler wheel punching ring cutting device and ring cutting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108453166A true CN108453166A (en) | 2018-08-28 |
Family
ID=63235401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810315319.1A Pending CN108453166A (en) | 2018-04-10 | 2018-04-10 | A kind of cable processing idler wheel punching ring cutting device and ring cutting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108453166A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113523418A (en) * | 2021-07-19 | 2021-10-22 | 彭梦玲 | Full-automatic aluminum profile cutting machine with profile aluminum scrap self-cleaning mechanism |
| CN114850292A (en) * | 2022-07-08 | 2022-08-05 | 徐州中周输配电设备有限公司 | Automatic punching device with annular limiting function for electrical equipment |
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| KR20050109869A (en) * | 2004-05-17 | 2005-11-22 | 주식회사 다현 | Machine for cutting and hole punching automatically cable tray |
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| CN202621678U (en) * | 2012-05-11 | 2012-12-26 | 东莞市智盈自动化设备有限公司 | Ring cutting machine |
| CN105689527A (en) * | 2016-03-11 | 2016-06-22 | 无锡建凌电器有限公司 | Hardware part punching equipment |
| CN205587910U (en) * | 2016-04-01 | 2016-09-21 | 安徽英杰精工机械有限公司 | Cable processing is with gyro wheel circular cutting device that punches a hole |
| CN206742761U (en) * | 2017-04-05 | 2017-12-12 | 国网浙江桐乡市供电公司 | Device for cable processing |
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2018
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050109869A (en) * | 2004-05-17 | 2005-11-22 | 주식회사 다현 | Machine for cutting and hole punching automatically cable tray |
| JP2006110649A (en) * | 2004-10-12 | 2006-04-27 | Kyowa Exeo Corp | Drilling device and drilling method for branch pipe connecting opening |
| CN202621678U (en) * | 2012-05-11 | 2012-12-26 | 东莞市智盈自动化设备有限公司 | Ring cutting machine |
| CN105689527A (en) * | 2016-03-11 | 2016-06-22 | 无锡建凌电器有限公司 | Hardware part punching equipment |
| CN205587910U (en) * | 2016-04-01 | 2016-09-21 | 安徽英杰精工机械有限公司 | Cable processing is with gyro wheel circular cutting device that punches a hole |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113523418A (en) * | 2021-07-19 | 2021-10-22 | 彭梦玲 | Full-automatic aluminum profile cutting machine with profile aluminum scrap self-cleaning mechanism |
| CN114850292A (en) * | 2022-07-08 | 2022-08-05 | 徐州中周输配电设备有限公司 | Automatic punching device with annular limiting function for electrical equipment |
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| PB01 | Publication | ||
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Application publication date: 20180828 |