CN112846001A - Coiling chuck for spring forming machine - Google Patents
Coiling chuck for spring forming machine Download PDFInfo
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- CN112846001A CN112846001A CN202110109638.9A CN202110109638A CN112846001A CN 112846001 A CN112846001 A CN 112846001A CN 202110109638 A CN202110109638 A CN 202110109638A CN 112846001 A CN112846001 A CN 112846001A
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- fixed mounting
- spring
- plate
- forming machine
- wall
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F35/00—Making springs from wire
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention relates to the technical field of spring processing equipment, and discloses a rolling chuck for a spring forming machine, which comprises a machine body, wherein a processing table is fixedly arranged on the left side of the top end of the machine body, a feeding plate is fixedly arranged on the right side of the processing table, a control panel is fixedly arranged on the top end of the feeding plate, a guide assembly is fixedly arranged on the front surface of the processing table, a spring telescopic rod is stressed and stretched when a rotating shaft rotates, a fixing buckle on the side edge of the rotating shaft moves on the inner wall of a contraction plate along with the spring telescopic rod when the spring telescopic rod moves on the inner wall of a hollow pipe, a compression air cushion is stressed and compressed to drive a blocking pad to move, a touch plate on the surface of the fixing buckle collides with a push rod when the touch plate moves, the moving push rod enables magnetic stripes to be separated, then the binding plate drives a torsion spring to rotate, the binding plate does not intercept, the cutting sleeve is forced to move to contact with the spring steel on the surface of the inner ring and is driven to move along with the rotation of the rotating shaft.
Description
Technical Field
The invention relates to the technical field of spring processing equipment, in particular to a rolling chuck for a spring forming machine.
Technical Field
The spring is a mechanical part which works by utilizing elasticity, is generally made of spring steel, is deformed under the action of external force by a part made of elastic material, recovers the original shape after the external force is removed, is a common part in the fields of modern buildings, maintenance and the like, and is rolled and formed by a spring automatic forming machine and a numerical control looping machine in a modern factory and then is cut off by a cutter.
In the processing process of a general spring forming machine, the following two defects are often existed:
1. when the spring steel moves, the friction force between the guide ring and the spring steel is small due to long-time abrasion of the guide ring and the inner ring, so that the spring steel cannot be driven to move quickly, the moving distance of the spring steel in the guide ring is small after the guide ring rotates for many circles, the processing time is wasted, and the production efficiency is reduced;
2. and when inner ring frictional force is less, if set for behind the procedure then can appear the spring steel and not reach the condition emergence that appointed number of turns just cut, lead to the spring of producing unqualifiedly, can't reach the requirement, the direction circle and the inner ring that change new simultaneously need all to be changed, waste the processing material when wasting time and energy.
Disclosure of Invention
In order to realize the purpose of fixing the grinding wheel during rotation, the invention provides the following technical scheme: the utility model provides a roll up and put chuck for spring forming machine, includes the fuselage, the top left side fixed mounting of fuselage has the processing platform, the right side fixed mounting of processing platform has the feed plate, the top fixed mounting of feed plate has control panel, the positive fixed mounting of processing platform has the direction subassembly.
Preferably, the guide assembly comprises a guide ring and a moving assembly, the inner wall of the guide ring is movably connected with an inner ring, a rotating shaft is fixedly mounted on the inner wall of the inner ring, the moving assembly is fixedly mounted on the inner wall of the inner ring, and the mounted guide ring plays a role in fixing, so that the spring steel can be effectively prevented from moving away from the surface of the inner ring.
As preferred, it is including hollow tube to remove the subassembly, the inner wall fixed mounting of hollow tube has spring telescopic link, spring telescopic link's right side fixed mounting has fixed the knot, the right side fixed mounting that fixed the knot has touch panel, the fixed surperficial swing joint who detains has the shrink plate, the right side fixed mounting of hollow tube has the curb plate, the top on curb plate right side and the equal fixed mounting in bottom have tensile area, the right side fixed mounting in tensile area has the support frame, the right side fixed mounting of support frame has the cutting ferrule, the left side fixed surface of cutting ferrule installs the rebound pole, and spring telescopic link has the effect of resilience fast, can drive touch panel fast and reset after whole hollow tube stall.
As preferred, there is equal fixed mounting at the top and the bottom of hollow tube inner wall to have the compression air cushion, one side fixed mounting that the compression air cushion is close to hollow tube horizontal center line has the connecting plate, one side fixed mounting that the connecting plate is close to hollow tube horizontal center line has the fender pad, one side fixed mounting that the connecting plate is close to fender pad vertical center line has the bracing piece, one side fixed mounting that the bracing piece is close to fender pad vertical center line has the plywood, the inner wall fixed mounting of hollow tube has the ejector pin, and the compression air cushion has the advantage that resets after deformation, can make the shrink board continuously carry out the centre gripping to fixed the.
Preferably, a torsion spring is fixedly mounted on the right side of the contraction plate, a moving rod is fixedly mounted on one side of the torsion spring, which is close to the horizontal center line of the contraction plate, a fitting plate 5463 is mounted on one side of the moving rod 5462, which is close to the horizontal center line of the side plate 546, a magnetic strip 5464 is mounted on one side of the fitting plate 5463, which is close to the horizontal center line of the side plate 546, rollers are fixedly mounted on the inner wall of the side plate, the mounted torsion spring can automatically rebound after moving to a limiting position, the mounted magnetic strips are attracted and fixed, and.
Preferably, the number of the moving assemblies is four, the four moving assemblies are equal in shape and size and symmetrically distributed relative to the circle center of the rotating shaft, and the four moving assemblies with equal shape and size can drive the spring steel on the surface of the inner ring to move when the rotating shaft rotates.
As preferred, the cutting ferrule is hollow form, the hollow tube passes through the round bar and fixes with the spring telescopic link, and the spring telescopic link passes through the rectangle seat to be fixed with the pivot, and hollow cutting ferrule conveniently drives its surperficial spring steel quick travel, and the rectangle seat of installation can make the spring telescopic link be connected more firmly with the pivot.
Preferably, the fixed surface of ejector pin installs solid fixed ring, and is connected with the hollow tube, the quantity of compression air cushion is four, and the symmetry divide into two sets ofly, and the solid fixed ring of installation can make ejector pin and hollow tube be connected more stably, does not influence the ejector pin simultaneously and removes.
Preferably, the diameter of the fixing buckle is matched with the diameter of the inner wall of the shrinkage plate, a round column is installed on one side, close to the hollow tube, of the clamping sleeve, the shrinkage plate of the fixing buckle matched with the clamping sleeve is not prone to dropping, the round column installed corresponds to the touch plate, and the clamping sleeve can be moved rapidly.
The invention has the beneficial effects that: the utility model provides a roll up and put chuck for spring forming machine, it is tensile to make spring telescopic rod through the rotatory power of pivot, fixed the knot removes messenger's ejector pin and cutting ferrule touching afterwards, thereby make the cutting ferrule drive spring steel quick travel, the pivot is the spring telescopic rod atress is tensile when rotatory, the fixed knot of its side removes at the inner wall of shrink board along with spring telescopic rod when the inner wall of hollow tube removes, compression air cushion atress compression drives the fender pad and removes simultaneously, fixed touch panel on knot surface collides with the ejector pin when removing afterwards, the ejector pin that removes makes the magnetic stripe separation, it is rotatory that the laminating board drives messenger torsional spring afterwards, the laminating board is not at the interception ejector pin this moment, ejector pin and cutting ferrule touching after the removal, the cutting ferrule atress removes and the spring steel contact on inner ring surface, and drive its removal along with the pivot rotation.
Drawings
FIG. 1 is an overall front view of the present invention;
FIG. 2 is a cross-sectional view of a guide assembly according to the present invention;
FIG. 3 is a cross-sectional view of the moving assembly of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention;
FIG. 5 is an enlarged view of the structure at B in FIG. 3 according to the present invention.
In the figure: 1. a body; 2. a processing table; 3. a feeding plate; 4. a control panel; 5. a guide assembly; 51. a guide ring; 52. an inner ring; 53. a rotating shaft; 54. a moving assembly; 541. a hollow tube; 5411. compressing the air cushion; 5412. a connecting plate; 5413. a blocking pad; 5414. a support bar; 5415. plywood; 5416. a top rod; 542. a spring telescopic rod; 543. a fixing buckle; 544. a touch pad; 545. a shrink plate; 546. a side plate; 5461. a torsion spring; 5462. a travel bar; 5463. attaching a plate; 5464. a magnetic strip; 5465. a roller; 547. stretching the tape; 548. a support frame; 549. a card sleeve; 5410. a resilient lever.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments in the present invention belong to the protection scope of the present invention.
Referring to fig. 1, a rolling chuck for a spring forming machine comprises a machine body 1, a processing table 2 is fixedly installed on the left side of the top end of the machine body 1, a feeding plate 3 is fixedly installed on the right side of the processing table 2, a control panel 4 is fixedly installed on the top end of the feeding plate 3, and a guide assembly 5 is fixedly installed on the front side of the processing table 2;
according to the position of the hole of the feeding plate 3 arranged in the figure 1 corresponding to the guide assembly 5 arranged on the front surface of the processing table 2, the spring processing can be rapidly carried out without obstruction.
Referring to fig. 2, the guiding assembly 5 includes a guiding ring 51 and a moving assembly 54, an inner ring 52 is movably connected to an inner wall of the guiding ring 51, a rotating shaft 53 is fixedly installed on an inner wall of the inner ring 52, and the moving assembly 54 is fixedly installed on an inner wall of the inner ring 52;
the guide ring 51 installed according to fig. 2 plays a role of fixing, and the spring steel can be effectively prevented from moving away from the surface of the inner ring 52;
according to fig. 2, the number of the moving assemblies 54 is four, the four moving assemblies 54 are all equal in shape and size and are symmetrically distributed relative to the center of the rotating shaft 53, and the four moving assemblies 54 are all equal in shape and size and can drive the spring steel on the surface of the inner ring 52 to move when the rotating shaft 53 rotates.
Referring to fig. 3, the moving assembly 54 includes a hollow tube 541, and a spring expansion rod 542 fixedly installed on an inner wall of the hollow tube 541;
the telescopic spring rod 542 installed in fig. 3 has a quick rebounding effect, and can quickly drive the touch plate 544 to reset after the whole hollow tube 541 stops rotating;
a fixing buckle 543 is fixedly mounted on the right side of the spring telescopic rod 542, a touch plate 544 is fixedly mounted on the right side of the fixing buckle 543, a contraction plate 545 is movably connected to the surface of the fixing buckle 543, a side plate 546 is fixedly mounted on the right side of the hollow tube 541, stretching belts 547 are fixedly mounted at the top and the bottom of the right side of the side plate 546, a support frame 548 is fixedly mounted on the right side of the stretching belts 547, a clamping sleeve 549 is fixedly mounted on the right side of the support frame 548, and a rebound rod 5410 is fixedly mounted on the left surface of;
according to the diameter of the fixing button 543 in fig. 3 adapted to the diameter of the inner wall of the contracting plate 545, a circular column is installed on one side of the sleeve 549 close to the hollow tube 541, the contracting plate 545 of the fixing button 543 adapted to the diameter is not easy to fall off, and the installed circular column corresponds to the touch plate 544, so that the sleeve 549 can move rapidly
According to cutting ferrule 549 in fig. 3 for hollow form, hollow tube 541 is fixed with spring telescopic link 542 through the round bar, spring telescopic link 542 is fixed with pivot 53 through the rectangle seat, and hollow cutting ferrule 549 conveniently drives its surperficial spring steel fast moving, and the rectangle seat of installation can make spring telescopic link 542 be connected more firmly with pivot 53.
Referring to fig. 4, the top and the bottom of the inner wall of the hollow tube 541 are fixedly provided with compressed air cushions 5411, one side of the compressed air cushion 5411 close to the horizontal center line of the hollow tube 541 is fixedly provided with a connecting plate 5412, one side of the connecting plate 5412 close to the horizontal center line of the hollow tube 541 is fixedly provided with a stop pad 5413, one side of the connecting plate 5412 close to the vertical center line of the stop pad 5413 is fixedly provided with a support rod 5414, one side of the support rod 5414 close to the vertical center line of the stop pad 5413 is fixedly provided with a plywood 5415, and the inner wall;
according to the advantage that the compressed air cushion 5411 in fig. 4 is reset after being deformed, the contraction plate 545 can continuously clamp the fixing button 543;
according to the surface fixing of ejector rod 5416 in fig. 4, fixing rings are installed and connected with hollow tube 541, the number of the compressed air cushions 5411 is four, and the compressed air cushions are symmetrically divided into two groups, the installed fixing rings can enable the ejector rod 5416 to be connected with the hollow tube 541 more stably, and meanwhile, the movement of the ejector rod 5416 is not influenced.
Referring to fig. 5, a torsion spring 5461 is fixedly mounted on the right side of the side plate 546, a moving rod 5462 is fixedly mounted on one side of the torsion spring 5461 close to the horizontal center line of the side plate 546, an attaching plate 5463 is mounted on one side of the moving rod 5462 close to the horizontal center line of the side plate 546, a magnetic strip 5464 is mounted on one side of the attaching plate 5463 close to the horizontal center line of the side plate 546, and a roller 5465 is fixedly mounted on the inner wall of the side plate 546;
according to the torsion spring 5461 arranged in the figure 5, the spring can automatically rebound after moving to a limit position, and the arranged magnetic strips 5464 are attracted and fixed, so that the connection is firmer.
The working principle is as follows: a rolling chuck for a spring forming machine is mainly applied to the technical field of spring processing equipment, the working principle of the rolling chuck is that spring steel passes through the inner wall of a processing table 2 of a feeding plate 3, the spring steel needs to move through a guide assembly 5 before the processing table 2 is processed, when the spring steel is arranged on the surface of an inner ring 52, a rotating shaft 53 rotates to drive a moving assembly 54 to move, so that the spring steel moves on the surface of the inner ring 52, a spring telescopic rod 542 is stressed to stretch when the rotating shaft 53 rotates, a fixing buckle 543 on the side edge moves on the inner wall of a contraction plate 545 along with the spring telescopic rod 542 when the inner wall of a hollow tube 541 moves, the moving force of the fixing buckle 543 is greater than the force of a stop pad 5413 for fixing the contraction plate 545, a compression air cushion 5411 is stressed to compress to drive the stop pad 5413 to move, then a touch plate on the surface of the fixing buckle 543 collides with a top rod 5416 when moving, and the top rod, the moving push rod 5416 separates the magnetic strip 5464, then the attaching plate 5463 drives the moving rod 5462 to rotate the torsion spring 5461, at the moment, the attaching plate 5463 does not intercept the push rod 5416, the moved push rod 5416 touches the cutting sleeve 549, the cutting sleeve 549 is in contact with the spring steel on the surface of the inner ring 52 in a forced movement manner and drives the inner ring 52 to move along with the rotation of the rotating shaft 53, meanwhile, the rebound rod 5410 and the stretching belt 547 are stretched, after the rotating shaft 53 stops, the spring telescopic rod 542 and the stretching belt 547 drive the whole moving assembly 54 to reset according to the self-resetting force, and further, the guide ring 51 and the inner ring 52 can effectively drive the spring steel to move when rotating.
In summary, in the rolling chuck for a spring forming machine, the telescopic spring rod 542 is stretched by the force of the rotation of the rotating shaft 53, and then the fixing button 543 is moved to make the top rod 5416 touch the cutting sleeve 549, so that the cutting sleeve 549 drives the spring steel to move rapidly, the spring telescopic rod 542 is stressed and stretched when the rotating shaft 53 rotates, the fixing button 543 at the side moves along with the spring expansion bar 542 on the inner wall of the hollow tube 541 at the inner wall of the contraction plate 545, meanwhile, the compression air cushion 5411 is stressed and compressed to drive the blocking pad 5413 to move, then the touch plate 544 on the surface of the fixed buckle 543 collides with the ejector rod 5416 when moving, the moving ejector rod 5416 enables the magnetic strip 5464 to be separated, then the attaching plate 5463 drives the torsion spring 5461 to rotate, at the moment, the attaching plate 5463 does not intercept the ejector rod 5416, the moving ejector rod 5416 touches the cutting sleeve 549, the cutting sleeve 549 is stressed to move to contact with the spring steel on the surface of the inner ring 52, and the cutting sleeve 549 rotates along with the rotating shaft 53 to drive the moving.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (9)
1. A roll-up chuck for a spring forming machine, comprising a machine body (1), characterized in that: the top left side fixed mounting of fuselage (1) has processing platform (2), the right side fixed mounting of processing platform (2) has feed plate (3), the top fixed mounting of feed plate (3) has control panel (4), the positive fixed mounting of processing platform (2) has direction subassembly (5).
2. A rolling cartridge for a spring forming machine, according to claim 1, wherein: the guide assembly (5) comprises a guide ring (51) and a moving assembly (54), the inner wall of the guide ring (51) is movably connected with an inner ring (52), a rotating shaft (53) is fixedly mounted on the inner wall of the inner ring (52), and the moving assembly (54) is fixedly mounted on the inner wall of the inner ring (52).
3. A rolling cartridge for a spring forming machine according to claim 2, wherein: remove subassembly (54) including hollow tube (541), the inner wall fixed mounting of hollow tube (541) has spring telescopic link (542), the right side fixed mounting of spring telescopic link (542) has fixed knot (543), the right side fixed mounting of fixed knot (543) has touch panel (544), the surperficial swing joint of fixed knot (543) has shrink board (545), the right side fixed mounting of hollow tube (541) has curb plate (546), the equal fixed mounting in top and the bottom on curb plate (546) right side has tensile area (547), the right side fixed mounting of tensile area (547) has support frame (548), the right side fixed mounting of support frame (548) has cutting ferrule (549), the left side fixed surface mounting of cutting ferrule (549) has rebound pole (5410).
4. A rolling cartridge for a spring forming machine according to claim 3, wherein: there is equal fixed mounting at the top and the bottom of hollow tube (541) inner wall to compress air cushion (5411), one side fixed mounting that compress air cushion (5411) are close to hollow tube (541) horizontal center line has connecting plate (5412), one side fixed mounting that connecting plate (5412) are close to hollow tube (541) horizontal center line has fender pad (5413), one side fixed mounting that connecting plate (5412) are close to fender pad (5413) vertical center line has bracing piece (5414), one side fixed mounting that bracing piece (5414) are close to fender pad (5413) vertical center line has plywood (5415), the inner wall fixed mounting of hollow tube (541) has ejector pin (5416).
5. A rolling cartridge for a spring forming machine according to claim 3, wherein: the right side fixed mounting of curb plate (546) has torsional spring (5461), torsional spring (5461) are close to one side fixed mounting of curb plate (546) horizontal center line has carriage release lever (5462), carriage release lever (5462) are close to one side of curb plate (546) horizontal center line and install attaching plate (5463), magnetic stripe (5464) are installed to one side that attaching plate (5463) are close to curb plate (546) horizontal center line, the inner wall fixed mounting of curb plate (546) has gyro wheel (5465).
6. A rolling cartridge for a spring forming machine according to claim 2, wherein: the number of the moving assemblies (54) is four, the shapes and the sizes of the four moving assemblies (54) are equal, and the four moving assemblies are symmetrically distributed relative to the circle center of the rotating shaft (53).
7. A rolling cartridge for a spring forming machine according to claim 3, wherein: the cutting sleeve (549) is hollow, the hollow pipe (541) is fixed with the spring telescopic rod (542) through a circular rod, and the spring telescopic rod (542) is fixed with the rotating shaft (53) through a rectangular seat.
8. The winding chuck for a spring forming machine according to claim 4, wherein: the surface of the ejector rod (5416) is fixedly provided with a fixing ring and is connected with the hollow pipe (541), and the number of the compressed air cushions (5411) is four and is symmetrically divided into two groups.
9. A rolling cartridge for a spring forming machine according to claim 3, wherein: the diameter of the fixing buckle (543) is matched with the diameter of the inner wall of the contraction plate (545), and a circular column is installed on one side, close to the hollow tube (541), of the clamping sleeve (549).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110109638.9A CN112846001A (en) | 2021-01-26 | 2021-01-26 | Coiling chuck for spring forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110109638.9A CN112846001A (en) | 2021-01-26 | 2021-01-26 | Coiling chuck for spring forming machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112846001A true CN112846001A (en) | 2021-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110109638.9A Pending CN112846001A (en) | 2021-01-26 | 2021-01-26 | Coiling chuck for spring forming machine |
Country Status (1)
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|---|---|
| CN (1) | CN112846001A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1034685A (en) * | 1988-02-05 | 1989-08-16 | 列宁运输机械制造厂 | Device with making wire springs |
| DE102006040163A1 (en) * | 2006-08-26 | 2008-02-28 | Technische Federn Gmbh | Procedure for the production of a coil spring from a wire, comprises rolling two flattenings by a forming device, coiling the spring by means of a coiling machine and forming the convex flattening |
| CN101856705A (en) * | 2010-05-26 | 2010-10-13 | 金元宝弹簧设备(东莞)有限公司 | Wire winding mechanism capable of making spring wire material ends automatically rotate |
| KR101419698B1 (en) * | 2014-03-25 | 2014-07-21 | 대원강업 주식회사 | hot formed coiling machine |
| CN205763568U (en) * | 2016-05-30 | 2016-12-07 | 四会市家惠床垫家具有限公司 | A kind of round spring clamping device of spring bedding core |
| JP2016203240A (en) * | 2015-04-28 | 2016-12-08 | 日本発條株式会社 | Coiling machine and method for manufacturing coil spring |
| CN108555194A (en) * | 2018-04-26 | 2018-09-21 | 杨力 | The shaping equipment of efficient spring manufacture |
| CN207952495U (en) * | 2018-01-01 | 2018-10-12 | 南安市瑞欣生物科技有限公司 | A kind of spring steel wire warming and transporting unit |
| CN208542893U (en) * | 2018-07-19 | 2019-02-26 | 湖北江一特智能科技有限公司 | A kind of protective device of spring coiling machine |
-
2021
- 2021-01-26 CN CN202110109638.9A patent/CN112846001A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1034685A (en) * | 1988-02-05 | 1989-08-16 | 列宁运输机械制造厂 | Device with making wire springs |
| DE102006040163A1 (en) * | 2006-08-26 | 2008-02-28 | Technische Federn Gmbh | Procedure for the production of a coil spring from a wire, comprises rolling two flattenings by a forming device, coiling the spring by means of a coiling machine and forming the convex flattening |
| CN101856705A (en) * | 2010-05-26 | 2010-10-13 | 金元宝弹簧设备(东莞)有限公司 | Wire winding mechanism capable of making spring wire material ends automatically rotate |
| KR101419698B1 (en) * | 2014-03-25 | 2014-07-21 | 대원강업 주식회사 | hot formed coiling machine |
| JP2016203240A (en) * | 2015-04-28 | 2016-12-08 | 日本発條株式会社 | Coiling machine and method for manufacturing coil spring |
| CN205763568U (en) * | 2016-05-30 | 2016-12-07 | 四会市家惠床垫家具有限公司 | A kind of round spring clamping device of spring bedding core |
| CN207952495U (en) * | 2018-01-01 | 2018-10-12 | 南安市瑞欣生物科技有限公司 | A kind of spring steel wire warming and transporting unit |
| CN108555194A (en) * | 2018-04-26 | 2018-09-21 | 杨力 | The shaping equipment of efficient spring manufacture |
| CN208542893U (en) * | 2018-07-19 | 2019-02-26 | 湖北江一特智能科技有限公司 | A kind of protective device of spring coiling machine |
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Application publication date: 20210528 |