CN114378191B - Stamping die convenient to change stamping die drift - Google Patents
Stamping die convenient to change stamping die drift Download PDFInfo
- Publication number
- CN114378191B CN114378191B CN202210066118.9A CN202210066118A CN114378191B CN 114378191 B CN114378191 B CN 114378191B CN 202210066118 A CN202210066118 A CN 202210066118A CN 114378191 B CN114378191 B CN 114378191B
- Authority
- CN
- China
- Prior art keywords
- die
- mounting
- stamping die
- embedded
- lifting
- 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
Links
- 230000000149 penetrating effect Effects 0.000 claims abstract description 11
- 230000000694 effects Effects 0.000 abstract description 8
- 238000003754 machining Methods 0.000 abstract description 2
- 239000000945 filler Substances 0.000 description 5
- 238000004080 punching Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/04—Movable or exchangeable mountings for tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D55/00—Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Presses And Accessory Devices Thereof (AREA)
Abstract
The invention discloses a stamping die convenient for replacing a stamping die punch, which comprises a lifting die and a mounting frame, wherein four groups of guide rods are arranged at the bottom of the lifting die in a penetrating manner; the top of the lifting die is provided with a mounting frame; the fixed disk is installed at the top of mounting bracket. According to the invention, the mounting frame is arranged, when the device is required to be replaced when in use, the front embedded block is disassembled, then the mounting plate is arranged on the inner side of the mounting frame through the positioning groove 301 arranged at the bottom of the lifting die, and the embedded block is embedded and arranged on the inner side of the positioning groove after the mounting, so that the effect of quickly disassembling and replacing the die punch is achieved, the machining efficiency of the device is greatly improved, and meanwhile, the device is convenient for workers to quickly replace.
Description
Technical Field
The invention relates to the technical field of stamping dies, in particular to a stamping die with a stamping die punch convenient to replace.
Background
Modern metal device often uses stamping die to process when carrying out processing, through the inboard with sheet metal material joining mould, drives the die structure of bottom and carries out the punching press to the sheet metal through the electric putter at top, and traditional stamping die device has the disadvantage to need improve.
The defects of the stamping die in the prior art are that:
1. patent document CN212190762U discloses a stamping die for hardware processing, which comprises a supporting box body, wherein a bottom supporting plate is fixedly connected to the middle part of the upper part of the lower part of the supporting box body, a lower module is movably sleeved on the upper part of the bottom supporting plate, and a first spring is fixedly connected to the inner part of the middle part of the bottom supporting plate. This stamping die is used in hardware processing is through the inside fixedly connected with filler in lower part module upper portion one side, and with the inside release of filler in lower part module upper portion have a plurality ofly, when using, can take the filler according to the size of dead lever for keep the dead lever can stably place in the upper portion of lower part module, pass fastening nut with the upper portion of filler simultaneously, and fastening nut passes the filler and fixed connection is on the lower part module, make it fix a position, in the use, flexibility and practicality "when the device is used can be increased, but the device often need change the punching press head device when using, can reach the punching press to the part of device to the difference, but traditional stamping die can't directly change or be inconvenient to change, it is very inconvenient.
Disclosure of Invention
The present invention is directed to a stamping die that facilitates replacement of the stamping die punch, so as to solve the problems set forth in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the stamping die comprises a lifting die and a mounting frame, wherein four groups of guide rods are arranged at the bottom of the lifting die in a penetrating manner;
the top of the lifting die is provided with a mounting frame;
the fixed disk is installed at the top of mounting bracket.
Preferably, the bottom of guide arm is installed and is born the weight of the base, bears the weight of the right side embedding of base and installs two sets of movable stopper, bears the top of base and installs the bed die seat, bears the weight of the right side of base and installs the mounting disc.
Preferably, a servo motor is installed on the right side of the mounting plate, a junction box is installed at the top of the servo motor, and a rotating shaft is installed at the output end of the servo motor.
Preferably, the inside of mounting bracket has seted up the constant head tank, and the positive embedding of constant head tank is installed the gomphosis piece, and the inside of constant head tank runs through and installs the mounting panel, and the mould drift is installed to the bottom of mounting panel.
Preferably, the telescopic link is installed at the top of fixed disk, and electric putter is installed in the outside of telescopic link, and driving motor is installed on electric putter's right side, and the roof is installed at electric putter's top.
Preferably, two groups of sliding rails are arranged at the bottom of the bottom die seat, a feeding hole is arranged on the right side of the bottom die seat in a penetrating mode, a discharging hole is arranged on the top of the bottom die seat in a penetrating mode, and four groups of threaded rods are embedded in the top of the bottom die seat.
Preferably, the top of threaded rod is installed the piston rod, and the sleeve pipe is installed at the top of piston rod, and rubber kicking block is installed at the sheathed tube top, and buffer spring is installed to the bottom of rubber kicking block.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the mounting frame is arranged, when the device is required to be replaced when in use, the front embedded block is disassembled, then the mounting plate is arranged on the inner side of the mounting frame through the positioning groove 301 arranged at the bottom of the lifting die, and the embedded block is embedded and arranged on the inner side of the positioning groove after the mounting, so that the effect of quickly disassembling and replacing the die punch is achieved, the machining efficiency of the device is greatly improved, and meanwhile, the device is convenient for workers to quickly replace.
2. According to the invention, the rubber top block is arranged, the traditional device is pressed down through the punch device at the top when in use, so that the stamping effect is achieved, the lifting die is always impacted when in stamping, the device is easy to damage due to long-time impact, normal use of the device is not facilitated, the lifting die at the top is directly contacted with the rubber top block at the bottom when in stamping, and the buffer spring at the bottom is directly compressed for buffering after the contact, so that the impact of the device is effectively prevented from damaging.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a mounting frame according to the present invention;
FIG. 3 is a schematic cross-sectional view of a bottom mold base according to the present invention;
fig. 4 is a schematic view of a buffer spring according to the present invention.
In the figure: 1. lifting the die; 101. a guide rod; 102. a load-bearing base; 103. a movable limiting block; 2. a servo motor; 201. a mounting plate; 202. a junction box; 203. a rotating shaft; 3. a mounting frame; 301. a positioning groove; 302. a fitting block; 303. a mounting plate; 304. a die punch; 4. an electric push rod; 401. a fixed plate; 402. a telescopic rod; 403. a driving motor; 404. a top plate; 5. a bottom mold base; 501. a slide rail; 502. a discharge port; 503. a feed inlet; 6. a rubber top block; 601. a threaded rod; 602. a piston rod; 603. a sleeve; 604. and a buffer spring.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present invention, based on the embodiments of the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1, 3 and 4, the present invention provides an embodiment: a stamping die convenient for replacing a stamping die punch;
embodiment one: comprises a lifting die 1, four groups of guide rods 101 are arranged at the bottom of the lifting die 1 in a penetrating way, a bearing base 102 is arranged at the bottom of the guide rods 101, two groups of movable limiting blocks 103 are embedded and arranged on the right side of the bearing base 102, the lifting die 1 is a main body structure of the device and is used for providing an installation position for a lifting stamping device at the top, the outer guide rods 101 can guide the lifting die 1 at the top to perform lifting adjustment, the situation of shaking of the stamping die can be prevented, the bearing base 102 at the bottom can support the whole device at the top, the shaking of the device can not occur when the device is used, the die base structure at the bottom is arranged at the inner side of the bearing base 102, the bottom die base 5 is arranged at the top of the bearing base 102 and can be directly limited through the movable limiting blocks 103, two groups of sliding rails 501 are arranged at the bottom of the bottom die base 5, the right side of the bottom die seat 5 is provided with a feed inlet 503 in a penetrating way, the top of the bottom die seat 5 is provided with a discharge outlet 502 in a penetrating way, the bottom die seat 5 is arranged on the inner side of the main body bearing base 102 in a sliding way through a sliding rail 501 structure at the bottom, so as to achieve the effect of fixing the device, sheet metal materials are added into the inner side of the device through the feed inlet 503, after the sheet metal is punched through a punching die at the top, processed finished products are directly discharged from the discharge outlet 502 at the bottom, the device can be ensured to be used normally, the top of the bottom die seat 5 is embedded with four groups of threaded rods 601, the top of the threaded rods 601 is provided with a piston rod 602, the top of the piston rod 602 is provided with a sleeve 603, the top of the sleeve 603 is provided with a rubber top block 6, the bottom of the rubber top block 6 is provided with a buffer spring 604, the threaded rod 601 is provided with the buffer structure through rotation, the lifting die 1 at the top is lowered to be in direct contact with the rubber top block 6, the sleeve 603 at the bottom of the descending extrusion descends, meanwhile, the piston rod 602 inside and the buffer spring 604 outside shrink, the effect of buffering the top device is achieved, the right side of the bearing base 102 is provided with the mounting disc 201, the right side of the mounting disc 201 is provided with the servo motor 2, the top of the servo motor 2 is provided with the junction box 202, the output end of the servo motor 2 is provided with the rotating shaft 203, the mounting disc 201 is connected through the main body device of the bolt structure, the junction box 202 at the top is connected with an external power supply, the rotating shaft 203 at the output end is electrified to rotate, the transmission drives the internal transmission gear to perform structural steering adjustment, and the movable limiting block 103 is driven to move, so that the effect of limiting the device is achieved.
Referring to fig. 2, a stamping die is shown that facilitates replacement of a stamping die punch;
embodiment two: including lifting die 1, mounting bracket 3 is installed at lifting die 1's top, constant head tank 301 has been seted up to the inboard of mounting bracket 3, the positive embedding of constant head tank 301 is installed and is fitted the piece 302, the mounting panel 303 is installed in running through in the inside of constant head tank 301, the mould drift 304 is installed to the bottom of mounting panel 303, mounting bracket 3 is fixed through welded mode and main part device, insert the inboard of mounting bracket 3 with the hole of mounting panel 303 through the bottom, the embedding is installed in the inboard of constant head tank 301 after the rotation, fix, install the inboard at the constant head tank 301 again with the gomphosis of piece 302, thereby reach the effect of fixing the device, guarantee the stability of device, the device of being convenient for can be quick dismantle the device and install.
Referring to fig. 1, a stamping die is shown that facilitates replacement of a stamping die punch;
embodiment III: including mounting bracket 3, fixed disk 401 is installed at the top of mounting bracket 3, and telescopic link 402 is installed at the top of fixed disk 401, and electric putter 4 is installed in the outside of telescopic link 402, and driving motor 403 is installed on electric putter 4's right side, and roof 404 is installed at electric putter 4's top, and fixed disk 401 is fixed with mounting bracket 3 through the bolt structure, and roof 404 at top is installed through the bolt structure with external structure, and electric putter 4 then drives the telescopic link 402 of output through driving motor 403 on right side and stretch out and draw back the regulation to reach the effect of punching press to the device, guarantee that the device can normal use.
Working principle: when the invention is used, the mounting plate 303 is inserted into the inner side of the mounting frame 3 through the hole at the bottom, is embedded and mounted on the inner side of the positioning groove 301 after rotating, is fixed, the embedded block 302 is embedded and mounted on the inner side of the positioning groove 301, the electric push rod 4 at the top drives the telescopic rod 402 at the output end to carry out telescopic adjustment through the driving motor 403 at the right side, the die punch 304 punches the metal sheet at the discharge hole 502, the lifting die 1 at the top descends along the guide rod 101, and the lifting die 1 at the top contacts the rubber jacking block 6 to descend to reduce the compression buffer spring 604 to provide buffering.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (1)
1. Stamping die convenient to change stamping die drift, including lifting die (1) and mounting bracket (3), its characterized in that: four groups of guide rods (101) are arranged at the bottom of the lifting die (1) in a penetrating way;
the top of the lifting die (1) is provided with a mounting frame (3);
a fixed disc (401) is arranged at the top of the mounting frame (3);
a positioning groove (301) is formed in the inner side of the mounting frame (3), an embedded block (302) is embedded in the front face of the positioning groove (301), a mounting plate (303) is arranged in the positioning groove (301) in a penetrating mode, and a die punch (304) is arranged at the bottom of the mounting plate (303);
the bottom of the guide rod (101) is provided with a bearing base (102), two groups of movable limiting blocks (103) are embedded and arranged on the right side of the bearing base (102), the top of the bearing base (102) is provided with a bottom die seat (5), and the right side of the bearing base (102) is provided with a mounting disc (201);
a servo motor (2) is arranged on the right side of the mounting disc (201), a junction box (202) is arranged at the top of the servo motor (2), and a rotating shaft (203) is arranged at the output end of the servo motor (2);
a telescopic rod (402) is arranged at the top of the fixed disc (401), an electric push rod (4) is arranged at the outer side of the telescopic rod (402), a driving motor (403) is arranged at the right side of the electric push rod (4), and a top plate (404) is arranged at the top of the electric push rod (4);
two groups of sliding rails (501) are arranged at the bottom of the bottom die seat (5), a feed inlet (503) is arranged on the right side of the bottom die seat (5) in a penetrating manner, a discharge outlet (502) is arranged on the top of the bottom die seat (5) in a penetrating manner, and four groups of threaded rods (601) are embedded in the top of the bottom die seat (5);
the top of threaded rod (601) is installed piston rod (602), and sleeve pipe (603) is installed at the top of piston rod (602), and rubber kicking block (6) is installed at the top of sleeve pipe (603), and buffer spring (604) is installed to the bottom of rubber kicking block (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210066118.9A CN114378191B (en) | 2022-01-20 | 2022-01-20 | Stamping die convenient to change stamping die drift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210066118.9A CN114378191B (en) | 2022-01-20 | 2022-01-20 | Stamping die convenient to change stamping die drift |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114378191A CN114378191A (en) | 2022-04-22 |
| CN114378191B true CN114378191B (en) | 2024-03-05 |
Family
ID=81204279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210066118.9A Active CN114378191B (en) | 2022-01-20 | 2022-01-20 | Stamping die convenient to change stamping die drift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114378191B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208912916U (en) * | 2018-08-28 | 2019-05-31 | 浙江长兴层颉机械制造有限公司 | Mold is used in a kind of production and processing of auto parts and components |
| CN210498072U (en) * | 2019-04-30 | 2020-05-12 | 四川凡立美科技有限公司 | Molding press for stainless steel tableware production process |
| CN212285564U (en) * | 2020-06-02 | 2021-01-05 | 深圳市精创科技有限公司 | Easy-to-replace mold structure |
| CN212551370U (en) * | 2020-06-30 | 2021-02-19 | 广东利元亨智能装备股份有限公司 | Punch assembly and stamping die |
| CN212944958U (en) * | 2020-08-13 | 2021-04-13 | 昆山市卓航精密模具有限公司 | Stamping die convenient for replacing moving die |
| CN213104124U (en) * | 2020-07-21 | 2021-05-04 | 株洲爱德冲压产品制造有限公司 | Stamping die is used in automobile parts processing |
| CN213162721U (en) * | 2020-08-27 | 2021-05-11 | 九江龙泰电气有限公司 | But automatic discharging's numerical control stamping die |
| CN213856630U (en) * | 2020-12-01 | 2021-08-03 | 昆山新富星电子科技有限公司 | Stamping die is used in processing of automatically cleaning medical equipment accessory |
| CN214919725U (en) * | 2021-07-13 | 2021-11-30 | 东莞市传晨模具配件有限公司 | Multi-section type composite assembly stamping die |
| CN215237201U (en) * | 2021-11-25 | 2021-12-21 | 江苏旺宇供应链管理有限公司 | Stamping die is used in sheet metal processing convenient to change impact die head |
| CN113878039A (en) * | 2021-10-26 | 2022-01-04 | 惠州市顺源精密模具有限公司 | Convenient-to-detach punch for stamping die |
-
2022
- 2022-01-20 CN CN202210066118.9A patent/CN114378191B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208912916U (en) * | 2018-08-28 | 2019-05-31 | 浙江长兴层颉机械制造有限公司 | Mold is used in a kind of production and processing of auto parts and components |
| CN210498072U (en) * | 2019-04-30 | 2020-05-12 | 四川凡立美科技有限公司 | Molding press for stainless steel tableware production process |
| CN212285564U (en) * | 2020-06-02 | 2021-01-05 | 深圳市精创科技有限公司 | Easy-to-replace mold structure |
| CN212551370U (en) * | 2020-06-30 | 2021-02-19 | 广东利元亨智能装备股份有限公司 | Punch assembly and stamping die |
| CN213104124U (en) * | 2020-07-21 | 2021-05-04 | 株洲爱德冲压产品制造有限公司 | Stamping die is used in automobile parts processing |
| CN212944958U (en) * | 2020-08-13 | 2021-04-13 | 昆山市卓航精密模具有限公司 | Stamping die convenient for replacing moving die |
| CN213162721U (en) * | 2020-08-27 | 2021-05-11 | 九江龙泰电气有限公司 | But automatic discharging's numerical control stamping die |
| CN213856630U (en) * | 2020-12-01 | 2021-08-03 | 昆山新富星电子科技有限公司 | Stamping die is used in processing of automatically cleaning medical equipment accessory |
| CN214919725U (en) * | 2021-07-13 | 2021-11-30 | 东莞市传晨模具配件有限公司 | Multi-section type composite assembly stamping die |
| CN113878039A (en) * | 2021-10-26 | 2022-01-04 | 惠州市顺源精密模具有限公司 | Convenient-to-detach punch for stamping die |
| CN215237201U (en) * | 2021-11-25 | 2021-12-21 | 江苏旺宇供应链管理有限公司 | Stamping die is used in sheet metal processing convenient to change impact die head |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114378191A (en) | 2022-04-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210450497U (en) | Hub bearing stamping equipment | |
| CN211161401U (en) | Stamping device is used in automobile parts processing of convenient fixed | |
| CN114378191B (en) | Stamping die convenient to change stamping die drift | |
| CN219378605U (en) | Punching machine | |
| CN205289397U (en) | Continuous copper strips stamping working platform | |
| CN202398712U (en) | Automobile plate flanging die | |
| CN203331130U (en) | Inner container punching machine | |
| CN214448223U (en) | Material taking jig for injection mold | |
| CN210650903U (en) | Transverse chipless cutting machine | |
| CN210690766U (en) | Motor clamping device of vehicle driving motor test bench | |
| CN210147379U (en) | Aluminum alloy die casting shaping system | |
| CN206936172U (en) | A kind of notebook casing die | |
| CN219703258U (en) | Machine parts processing punching machine | |
| CN220347288U (en) | Quick shearing plate shearing machine | |
| CN210876941U (en) | Punching machine stop gear | |
| CN219130546U (en) | One-step stamping forming die for porous flanging | |
| CN217494930U (en) | Punching force degree adjustable mould is used in production of car rubber bush | |
| CN220807280U (en) | Fixing and clamping device for die machining | |
| CN220659394U (en) | Photovoltaic support pipe cutting machine | |
| CN117983722B (en) | Servo stamping equipment with waste crushing and recycling functions | |
| CN204451287U (en) | A kind of punching machine air cushion stroke regulating mechanism | |
| CN221086908U (en) | Stamping device is used in wheel hub processing convenient to spacing buffering | |
| CN220658851U (en) | Bending device for manufacturing metal structure | |
| CN216937823U (en) | Adjustable iron tower angle steel limb surface pressing device | |
| CN215965992U (en) | Car bumper punching device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |