CN109985943A - A kind of apparatus for bending for handware processing - Google Patents
A kind of apparatus for bending for handware processing Download PDFInfo
- Publication number
- CN109985943A CN109985943A CN201910258341.1A CN201910258341A CN109985943A CN 109985943 A CN109985943 A CN 109985943A CN 201910258341 A CN201910258341 A CN 201910258341A CN 109985943 A CN109985943 A CN 109985943A
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- Prior art keywords
- fixed
- bending
- plate
- block
- hydraulic stem
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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
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
-
- 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
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/22—Auxiliary equipment, e.g. positioning devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a kind of apparatus for bending for handware processing, more particularly to handware manufacture field, including bottom plate, the bottom base plate is fixed with supporting leg, the supporting leg bottom is fixed with heelpiece, the heelpiece is made of rubber material, the backplate surface is set there are two bed die angle adjustment device, described two bed die angle adjustment devices are oppositely arranged bottom plate center, the bed die angle adjustment device includes sliding block, the backplate surface is equipped with sliding slot, the sliding block is slidably connected with sliding slot, the slider top is equipped with screw rod, wing nut is equipped on the outside of the screw rod, the wing nut is connect with screw flight.The present invention, so as to form the angle of needs, then can be adjusted according to the needs bending angle by setting bed die angle adjustment device, two adjusting end template contacts, and adjustable amplitude is big, and adjustment speed is fast, can be convenient and efficiently solves the problems, such as bending and spring back.
Description
Technical field
The present invention relates to handware processing technique fields, it is more particularly related to which a kind of process for handware
Apparatus for bending.
Background technique
Handware refer to the metals such as gold, silver, copper, iron, tin as processing obtained from tool, when handware passes through outside
It, then may be certainly since handware itself has elasticity after tool is bent into certain angle (having specific bending angle)
It is sprung back under the action of body elastic-restoring force, to cause the situation of bending angle inaccuracy.
The utility model patent of patent application publication CN207479341U discloses a kind of adjustable hardware of bending angle
Punching die structure, including bending insert, elbow centering block, bending lean on block, upper die and lower die, upper mold include upper die holder, upper padding plate,
Fixed plate, de- material backing plate, stripper plate, fixed plate are fixed by bolt and upper die holder, and stripper plate passes through bolt and upper die holder, fixation
Plate is fixed together, the fixed mold insert of the fixed elbow of fixed plate, the lower end connecting bend centering block of the fixed mold insert of elbow, and elbow centering block is stretched
Stripper plate out；Lower die includes lower die holder, lower bolster, lower template, and lower template is bolted on lower die holder and in lower template
Lower bolster is set between lower die holder, bending insert and bending are mounted in lower template by block, bending insert and bending by block it
Between formed with elbow centering block cooperation forming cavity.The utility model can solve the problems, such as that bending is sprung back, and can lean on block by adjusting bending
Height changes bending centering block angular dimension, to adjust bending angle.
But it is in actual use, still there is more disadvantage, as the equipment cannot be according to specific when specifically used
Need that bending angle is adjusted, it is small to the amplitude of accommodation of angle, influence to solve the problems, such as that bending is sprung back.
Summary of the invention
In order to overcome the drawbacks described above of the prior art, the embodiment of the present invention provides a kind of bending for handware processing
Device, by the way that bed die angle adjustment device is arranged, two adjusting end templates are contacted with each other, and twist wing nut, butterfly spiral shell later
Master tape moves screw rod and rises, and then sliding block is fixed on inside sliding slot, so as to form the angle of needs, then can according to need
Bending angle is adjusted, adjustable amplitude is big, and adjustment speed is fast, can be convenient and efficiently solves the problems, such as that bending is sprung back, with solution
Certainly the problems mentioned above in the background art.
To achieve the above object, the invention provides the following technical scheme: a kind of apparatus for bending for handware processing, packet
Bottom plate is included, the bottom base plate is fixed with supporting leg, and the supporting leg bottom is fixed with heelpiece, and the heelpiece is by rubber material
Material is made, and the backplate surface is set there are two bed die angle adjustment device, and described two bed die angle adjustment devices are oppositely arranged
In bottom plate center, the bed die angle adjustment device includes sliding block, and the backplate surface is equipped with sliding slot, the sliding block and cunning
Slot is slidably connected, and the slider top is equipped with screw rod, is equipped with wing nut, the wing nut and screw rod spiral shell on the outside of the screw rod
Line connects, and the side that screw rod is located on the sliding block is fixed with fixed link, is fixed with fixed plate at the top of the fixed link, institute
It states and is fixed with riser at the top of fixed plate, the riser side is fixed with the first hydraulic stem, and first hydraulic stem side is set
There is adjusting end template, the first hydraulic stem output shaft is hinged at end template is adjusted, and the adjusting end template bottom is equipped with
Locating rod, the locating rod top and adjusting end template bottom are hinged, and the locating rod bottom end and fixed plate are welded, the adjusting
End template is to be obliquely installed, and the adjusting end template bottom is equipped with inclined side.
In a preferred embodiment, stamping device, the stamping device packet are equipped with above the adjusting end template
Include pressing block, pressing block two sides of the bottom surface is all provided with fluted, and the inside grooves are equipped with pressed sheet, the pressed sheet with
Groove matches, and the pressing block both side surface is equipped with placing groove.
In a preferred embodiment, it is equipped with the second hydraulic stem at the top of the pressed sheet, second hydraulic stem is defeated
Hinged at the top of shaft and pressed sheet, the pressed sheet bottom end and groove inner wall are hinged, and second hydraulic stem is arranged in placing groove
It is internal.
In a preferred embodiment, connecting rod is fixed at the top of the pressing block, the connecting rod top is solid
Surely it is equipped with jacking block.
In a preferred embodiment, it is equipped with fixture block at the top of the jacking block, is equipped with combination block, institute on the outside of the fixture block
Combination block surface is stated equipped with card slot, the combination block is slidably connected with card slot.
In a preferred embodiment, the combination block side surface is equipped with limiting slot, sets inside the limiting slot
There is limit plate, the limit plate is slidably connected with limiting slot.
In a preferred embodiment, set casing, the set casing and limit plate table are equipped at the top of the limiting slot
Face is equipped with jack, is equipped with button bolt inside the jack, the button bolt matches with jack.
In a preferred embodiment, third hydraulic stem, third hydraulic stem top are equipped at the top of the combination block
Portion is equipped with top plate, and the top plate back side is equipped with support plate, and the support plate and bottom plate weld.
Technical effect and advantage of the invention:
1, pass through setting bed die angle adjustment device, the first hydraulic stem, which pushes, adjusts end template overturning, and then to adjusting bottom
The tilt angle of template is adjusted, and locating rod is defined the motion track for adjusting end template, pushes fixed plate later, Gu
By fixed link band movable slider in sliding slot internal slide when fixed board is mobile, and then two spacing adjusted between end template are adjusted,
Two adjusting end templates contact with each other, and twist wing nut later, wing nut drives screw rod to rise, and then sliding block is fixed on
Inside sliding slot, so as to form the angle of needs, bending angle then can be adjusted according to the needs, adjustable amplitude is big, adjusts
Speed is fast, can be convenient and efficiently solves the problems, such as bending and spring back；
2, by setting stamping device, the second hydraulic stem pushes pressed sheet to be overturn, and then adjustable two punching presses
The punching press angle needed is presented in plate, and fixture block is slid into inside card slot, and button bolt is inserted into inside jack, carries out to limit plate
It is fixed, and then achieve the effect that installation, the design for disassembly of pressing block is convenient for replacing or overhaul, and further facilitates to curved
The adjusting of dog-ear degree promotes the diversity of adjusting.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is the portion A partial structural diagram in Fig. 1 of the invention.
Fig. 3 is the portion B partial structural diagram in Fig. 1 of the invention.
Fig. 4 is the portion C partial structural diagram in Fig. 1 of the invention.
Fig. 5 is adjusting end template stereoscopic schematic diagram of the invention.
Appended drawing reference are as follows: 1 bottom plate, 2 supporting legs, 3 heelpieces, 4 bed die angle adjustment devices, 5 sliding blocks, 6 sliding slots, 7 screw rods, 8
Wing nut, 9 fixed links, 10 fixed plates, 11 risers, 12 first hydraulic stems, 13 adjust end templates, 14 locating rods, 15 inclined sides,
16 stamping devices, 17 pressing blocks, 18 grooves, 19 pressed sheets, 20 placing grooves, 21 second hydraulic stems, 22 connecting rods, 23 jacking blocks, 24
Fixture block, 25 combination blocks, 26 card slots, 27 limiting slots, 28 limit plates, 29 set casings, 30 jacks, 31 button bolts, 32 thirds are hydraulic
Bar, 33 top plates, 34 support plates.
Specific embodiment
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 description, 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.
Embodiment 1
It is described the present invention provides a kind of apparatus for bending for handware processing as shown in Figs. 1-5, including bottom plate 1
1 bottom of bottom plate is fixed with supporting leg 2, and 2 bottom of supporting leg is fixed with heelpiece 3, and the heelpiece 3 is by rubber material system
At 1 surface of bottom plate is set there are two bed die angle adjustment device 4, and described two bed die angle adjustment devices 4 are relatively arranged on
1 center of bottom plate, the bed die angle adjustment device 4 include sliding block 5, and 1 surface of bottom plate is equipped with sliding slot 6, the sliding block
5 are slidably connected with sliding slot 6, and screw rod 7 is equipped at the top of the sliding block 5, is equipped with wing nut 8, the butterfly spiral shell on the outside of the screw rod 7
Mother 8 is threadedly coupled with screw rod 7, and the side on the sliding block 5 positioned at screw rod 7 is fixed with fixed link 9,9 top of fixed link
It is fixed with fixed plate 10, riser 11 is fixed at the top of the fixed plate 10,11 side of riser is fixed with the first liquid
Compression bar 12,12 side of the first hydraulic stem, which is equipped with, adjusts end template 13,12 output shaft of the first hydraulic stem and adjusting bed die
Plate 13 is hinged at, and 13 bottom of adjusting end template is equipped with locating rod 14,14 top of locating rod and adjusting end template
13 bottoms are hinged, and 14 bottom end of locating rod and fixed plate 10 are welded, and the adjusting end template 13 is to be obliquely installed, the tune
It saves 13 bottom of end template and is equipped with inclined side 15.
As can be seen from the above embodiments: by the way that bed die angle adjustment device 4 is arranged, the first hydraulic stem 12, which pushes, adjusts bed die
Plate 13 is overturn, and then the tilt angle for adjusting end template 13 is adjusted, the moving rail of 14 pairs of locating rod adjusting end templates 13
Mark is defined, and pushes fixed plate 10 later, sliding inside sliding slot 6 with movable slider 5 by fixed link 9 when fixed plate 10 is mobile
It is dynamic, and then two spacing adjusted between end template 13 are adjusted, two adjusting end templates 13 contact with each other, and twist butterfly spiral shell later
Mother 8, wing nut 8 drive screw rod 7 to rise, and then sliding block 5 are fixed on inside sliding slot 6, so as to form the angle of needs, after
And can be adjusted according to the needs bending angle, adjustable amplitude is big, and adjustment speed is fast, can be convenient and efficiently solves bending and return
The problem of bullet.
Embodiment 2
Further, stamping device 16 is equipped with above the adjusting end template 13, the stamping device 16 includes pressing block
17, the 17 two sides of the bottom surface of pressing block is all provided with fluted 18, is equipped with pressed sheet 19, the pressed sheet inside the groove 18
19 match with groove 18, and 17 both side surface of pressing block is equipped with placing groove 20.
Further, the second hydraulic stem 21,21 output shaft of the second hydraulic stem and punching are equipped at the top of the pressed sheet 19
19 top of pressing plate is hinged, and 19 bottom end of pressed sheet and 18 inner wall of groove are hinged, and second hydraulic stem 21 is arranged in placing groove
Inside 20.
Further, it is fixed with connecting rod 22 at the top of the pressing block 17, is fixed with top at the top of the connecting rod 22
Block 23.
Further, it is equipped with fixture block 24 at the top of the jacking block 23, is equipped with combination block 25, the combination on the outside of the fixture block 24
25 surface of block is equipped with card slot 26, and the combination block 25 is slidably connected with card slot 26.
Further, 25 side surface of combination block is equipped with limiting slot 27, is equipped with limit plate inside the limiting slot 27
28, the limit plate 28 is slidably connected with limiting slot 27.
Further, set casing 29 is equipped at the top of the limiting slot 27, the set casing 29 and 28 surface of limit plate are all provided with
There is jack 30, is equipped with button bolt 31 inside the jack 30, the button bolt 31 matches with jack 30.
Further, it is equipped with third hydraulic stem 32 at the top of the combination block 25, is equipped with top at the top of the third hydraulic stem 32
Plate 33,33 back side of top plate are equipped with support plate 34, and the support plate 34 is welded with bottom plate 1.
Working principle of the present invention:
Referring to Figure of description 1-5, when use, opens the first hydraulic stem 12, and the first hydraulic stem 12, which pushes, adjusts end template
13 overturnings, and then the tilt angle for adjusting end template 13 is adjusted, the position of 14 pairs of locating rod adjusting end templates 13 carries out
It is fixed, fixed plate 10 is pushed later, passes through fixed link 9 when fixed plate 10 is mobile with movable slider 5 in 6 internal slide of sliding slot, in turn
Two spacing adjusted between end template 13 are adjusted, wing nut 8 is twisted, sliding block 5 is fixed on inside sliding slot 6 by cooperation screw rod 7,
Make two adjusting end template 13 contacts later, so as to form the angle of needs, then can be adjusted according to the needs bending angle
Degree, adjustable amplitude is big, and adjustment speed is fast, can be convenient and efficiently solves the problems, such as bending and spring back；
Referring to Figure of description 3-4, the second hydraulic stem 21 is opened later, and the second hydraulic stem 21 pushes pressed sheet 19 to carry out
Overturning, and then the punching press angle needed is presented in adjustable two pressed sheets 19, fixture block 24 is slid into inside card slot 26, button
Bolt 31 is inserted into inside jack 30, limit plate 28 is fixed, and then achieve the effect that installation, pressing block 17 it is removable
It unloads design to be convenient for replacing or overhaul, further facilitates the adjusting to bending angle, promote the diversity of adjusting.
The several points that should finally illustrate are: firstly, in the description of the present application, it should be noted that unless otherwise prescribed and
It limits, term " installation ", " connected ", " connection " shall be understood in a broad sense, can be mechanical connection or electrical connection, be also possible to two
Connection inside element, can be directly connected, and "upper", "lower", "left", "right" etc. are only used for indicating relative positional relationship, when
The absolute position for being described object changes, then relative positional relationship may change；
Secondly: the present invention discloses in embodiment attached drawing, relates only to the structure being related to the embodiment of the present disclosure, other knots
Structure, which can refer to, to be commonly designed, and under not conflict situations, the same embodiment of the present invention and different embodiments be can be combined with each other；
Last: the foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, all in the present invention
Spirit and principle within, any modification, equivalent replacement, improvement and so on, should be included in protection scope of the present invention it
It is interior.
Claims (8)
1. a kind of apparatus for bending for handware processing, including bottom plate (1), it is characterised in that: bottom plate (1) bottom is fixed
Equipped with supporting leg (2), supporting leg (2) bottom is fixed with heelpiece (3), and the heelpiece (3) is made of rubber material, described
Bottom plate (1) surface is set there are two bed die angle adjustment device (4), and described two bed die angle adjustment devices (4) are relatively arranged on
Bottom plate (1) center, the bed die angle adjustment device (4) include sliding block (5), and bottom plate (1) surface is equipped with sliding slot
(6), the sliding block (5) is slidably connected with sliding slot (6), is equipped with screw rod (7) at the top of the sliding block (5), sets on the outside of the screw rod (7)
Have wing nut (8), the wing nut (8) is threadedly coupled with screw rod (7), and the side of screw rod (7) is located on the sliding block (5)
It is fixed with fixed link (9), is fixed with fixed plate (10) at the top of the fixed link (9), it is fixed at the top of the fixed plate (10)
Equipped with riser (11), riser (11) side is fixed with the first hydraulic stem (12), and the first hydraulic stem (12) side is set
Have adjusting end template (13), the first hydraulic stem (12) output shaft is hinged at end template (13) are adjusted, the adjusting bottom
Template (13) bottom is equipped with locating rod (14), and locating rod (14) top and adjusting end template (13) bottom are hinged, described fixed
Position bar (14) bottom end and fixed plate (10) are welded, and the adjusting end template (13) is to be obliquely installed, the adjusting end template (13)
Bottom is equipped with inclined side (15).
2. a kind of apparatus for bending for handware processing according to claim 1, it is characterised in that: the adjusting bed die
Stamping device (16) are equipped with above plate (13), the stamping device (16) includes pressing block (17), pressing block (17) bottom
Both side surface is all provided with fluted (18), and pressed sheet (19), the pressed sheet (19) and groove are equipped with inside the groove (18)
(18) match, pressing block (17) both side surface is equipped with placing groove (20).
3. a kind of apparatus for bending for handware processing according to claim 2, it is characterised in that: the pressed sheet
(19) top is equipped with the second hydraulic stem (21), hinged at the top of the second hydraulic stem (21) output shaft and pressed sheet (19), described
Pressed sheet (19) bottom end and groove (18) inner wall are hinged, and the second hydraulic stem (21) setting is internal in placing groove (20).
4. a kind of apparatus for bending for handware processing according to claim 2, it is characterised in that: the pressing block
(17) top is fixed with connecting rod (22), is fixed with jacking block (23) at the top of the connecting rod (22).
5. a kind of apparatus for bending for handware processing according to claim 4, it is characterised in that: the jacking block (23)
Top is equipped with fixture block (24), is equipped with combination block (25) on the outside of the fixture block (24), and combination block (25) surface is equipped with card slot
(26), the combination block (25) is slidably connected with card slot (26).
6. a kind of apparatus for bending for handware processing according to claim 5, it is characterised in that: the combination block
(25) side surface is equipped with limiting slot (27), is equipped with limit plate (28) inside the limiting slot (27), the limit plate (28) with
Limiting slot (27) is slidably connected.
7. a kind of apparatus for bending for handware processing according to claim 6, it is characterised in that: the limiting slot
(27) top is equipped with set casing (29), and the set casing (29) and limit plate (28) surface are equipped with jack (30), the jack
(30) internal to be equipped with button bolt (31), the button bolt (31) matches with jack (30).
8. a kind of apparatus for bending for handware processing according to claim 5, it is characterised in that: the combination block
(25) top is equipped with third hydraulic stem (32), is equipped with top plate (33) at the top of the third hydraulic stem (32), top plate (33) back
Face is equipped with support plate (34), and the support plate (34) and bottom plate (1) are welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910258341.1A CN109985943B (en) | 2019-04-01 | 2019-04-01 | Bending device for hardware processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910258341.1A CN109985943B (en) | 2019-04-01 | 2019-04-01 | Bending device for hardware processing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109985943A true CN109985943A (en) | 2019-07-09 |
| CN109985943B CN109985943B (en) | 2021-03-23 |
Family
ID=67132091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910258341.1A Expired - Fee Related CN109985943B (en) | 2019-04-01 | 2019-04-01 | Bending device for hardware processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109985943B (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110369565A (en) * | 2019-08-09 | 2019-10-25 | 贵阳品创科技有限公司 | A kind of dog-ear processing unit of hardware sheet metal component |
| CN110421028A (en) * | 2019-08-27 | 2019-11-08 | 深圳市亿和精密科技集团有限公司 | A kind of quick bending and molding device and its forming method of multi-angle sheet metal component |
| CN111151621A (en) * | 2020-01-19 | 2020-05-15 | 大同新成新材料股份有限公司 | Rapid flanging machine for intelligent carbon sliding plate bracket and flanging method thereof |
| CN111530990A (en) * | 2020-05-11 | 2020-08-14 | 黄三妹 | Hardware stamping part forming processing method |
| CN111672980A (en) * | 2020-06-10 | 2020-09-18 | 杭州创融汇科技服务有限公司 | Hardware stamping die structure with adjustable bending angle |
| CN111940563A (en) * | 2020-07-27 | 2020-11-17 | 河南鼎力杆塔股份有限公司 | Q460C extra-high voltage steel tube tower steel member machining device and method |
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| CN117046946A (en) * | 2023-09-13 | 2023-11-14 | 保定市天乾电气科技有限公司 | Bending equipment for electric iron accessory and iron accessory thereof |
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| CN110369565B (en) * | 2019-08-09 | 2021-02-09 | 深圳市准牧精密科技有限公司 | Dog-ear processing apparatus that five metals sheet metal component was used |
| CN110369565A (en) * | 2019-08-09 | 2019-10-25 | 贵阳品创科技有限公司 | A kind of dog-ear processing unit of hardware sheet metal component |
| CN110421028A (en) * | 2019-08-27 | 2019-11-08 | 深圳市亿和精密科技集团有限公司 | A kind of quick bending and molding device and its forming method of multi-angle sheet metal component |
| CN111151621A (en) * | 2020-01-19 | 2020-05-15 | 大同新成新材料股份有限公司 | Rapid flanging machine for intelligent carbon sliding plate bracket and flanging method thereof |
| CN111530990A (en) * | 2020-05-11 | 2020-08-14 | 黄三妹 | Hardware stamping part forming processing method |
| CN111672980A (en) * | 2020-06-10 | 2020-09-18 | 杭州创融汇科技服务有限公司 | Hardware stamping die structure with adjustable bending angle |
| CN111940563A (en) * | 2020-07-27 | 2020-11-17 | 河南鼎力杆塔股份有限公司 | Q460C extra-high voltage steel tube tower steel member machining device and method |
| CN112474934A (en) * | 2020-10-05 | 2021-03-12 | 代军辉 | Bending device for aluminum alloy door and window |
| CN113560406A (en) * | 2021-09-23 | 2021-10-29 | 南通市晨邺信息技术有限公司 | Adjustable electronic product stamping equipment |
| CN114653800A (en) * | 2022-04-02 | 2022-06-24 | 谭芳 | High-end equipment is made with equipment of buckling of being convenient for change angle |
| CN114850264A (en) * | 2022-04-24 | 2022-08-05 | 四川天法科技有限公司 | Flame stabilizer production and processing device |
| CN114850264B (en) * | 2022-04-24 | 2024-02-09 | 四川天法科技有限公司 | Flame holder production and processing device |
| CN114653790A (en) * | 2022-05-26 | 2022-06-24 | 中国二十二冶集团有限公司 | Correcting device for DC arc furnace heavy current reflux bus flexible connection busbar |
| CN117046946A (en) * | 2023-09-13 | 2023-11-14 | 保定市天乾电气科技有限公司 | Bending equipment for electric iron accessory and iron accessory thereof |
| CN117046946B (en) * | 2023-09-13 | 2024-03-19 | 保定市天乾电气科技有限公司 | Bending equipment for electric iron accessory and iron accessory thereof |
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| CN109985943B (en) | 2021-03-23 |
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