CN209156985U - Torsion machine - Google Patents
Torsion machine Download PDFInfo
- Publication number
- CN209156985U CN209156985U CN201822080755.3U CN201822080755U CN209156985U CN 209156985 U CN209156985 U CN 209156985U CN 201822080755 U CN201822080755 U CN 201822080755U CN 209156985 U CN209156985 U CN 209156985U
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- steel wire
- spring
- steel
- core
- head
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 182
- 239000010959 steel Substances 0.000 claims abstract description 179
- 229910001341 Crude steel Inorganic materials 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 4
- 238000009827 uniform distribution Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 10
- 238000004804 winding Methods 0.000 abstract description 7
- 238000012545 processing Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses torsion machines, belong to spring processing technique field, including lathe head, machine tool guideway and the scroll chuck being mounted on lathe head, and sliding chute seat, spring is around core, disk is pushed around core support and steel wire, steel wire push disk is mounted on sliding chute seat and can move left and right along machine tool guideway, spring is wrapped in spring on core on one side, it turns right and is exited convenient for winding continuous winding spring on one side, the steel wire push disk includes driving motor, rotate gear set, gear stand, coil of wire, steel wire rotating cylinder and rotating cylinder support, rotate gear set drive steel wire drum rotation, three steel wires are twisted into one wirerope-winding, spring is made on core in spring, one or more steel wires can be twisted together and multi-strand spring is made by the torsion machine, two kinds of techniques are combined together, realize automation processed springs, the degree of automation Height, save the cost and labour, improve work efficiency.
Description
Technical field
The utility model belongs to the spring operated implement field of firearms, in particular to a kind of torsion machine.
Background technique
Currently, general cylinder class spring is to be formed by torsion machine coiling, but general torsion machine can only produce one
Spring, the especially spring used in some firearms has the function of storing and exporting energy as power, often changes spring
Be not that one is made, be the service performance for needing the multi-strand spring that intensity is high, performance is good to be just able to satisfy gun, but now around
Spring machine does not have multi-purpose performance, cannot complete on a machine around one or more strands of springs, cause the waste of resource, gives and adds
Work workshop increases burden.
Summary of the invention
The utility model provides a kind of torsion machine in view of the above technical problems, one or more steel wires can be twisted
Multi-strand spring is made together, two kinds of techniques are combined together, realizes that automation processed springs, high degree of automation are saved
Cost and labour, improve work efficiency.
To realize the above-mentioned technical purpose, the technical solution adopted in the utility model is as follows:
Torsion machine, including lathe head, machine tool guideway and the scroll chuck being mounted on lathe head and sliding chute seat, spring
Disk is pushed around core, around core support and steel wire, the sliding chute seat is mounted on machine tool guideway by sliding block, in the upper plane of sliding chute seat
Support plate is installed, described fixed on the supporting plate around core support, the spring is clamped on scroll chuck around the left end of core, bullet
Spring is clamped on core support around the right end of core, and spring is kept in the same horizontal line around the central axes of core and scroll chuck, institute
It states steel wire push disk and is mounted on the rear end of support plate as sliding chute seat moves together.
The steel wire push disk includes driving motor, rotation gear set, gear stand, coil of wire, steel wire rotating cylinder and rotating cylinder
Support, for the steel wire rotating cylinder perpendicular to spring around core, the steel wire rotating cylinder includes outer cylinder, inner cylinder, into steel wire head and out steel wire head,
Described into steel wire head and out steel wire head is connected to the rear and front end of inner cylinder, is being equipped with one into steel wire head and out on steel wire head
A or more than one threaded hole of steel, outer tube by axle bearing sleeve, the left side of outer cylinder is installed for the rear and front end of the outer cylinder
On rotating cylinder support, right side be mounted on gear stand, rotating cylinder support installation is on the supporting plate；The rotation gear set packet
Driving gear and driven gear are included, for the pinion carrier on the output shaft of driving motor, the driving motor is fixed on tooth
On the preceding lateral wall of wheel support, the driven gear is engaged with driving gear, driven gear be rigidly attached to the right end of inner cylinder and
It is placed in the rear side of rear bearing, wherein driven gear and driving gear are placed in the right side of gear stand, under the gear stand
End is installed on the supporting plate, and gear stand is placed in the rear side of rotating cylinder support；The coil of wire is mounted on the rear side of gear stand,
Rotation gear set is placed between gear stand and coil of wire, and at least one set of reel seat and cunning are equipped on the rear wall of coil of wire
Wheel group is cased with steel wire coil on reel seat, is wound with steel wire on steel wire coil, and steel wire is passed through into steel wire head through inner cylinder from steel wire head out
Be pierced by, the steel wire coil, pulley blocks, threaded hole of steel and inner cylinder central axes in the same plane, and the central axes of inner cylinder with
Spring is maintained at the same horizontal plane around core.
Using this design multi-purpose steel wire push disk, can be pushed to torsion machine one and one more than spring, improve
The service efficiency of torsion machine realizes the purpose of one and the resource-sharing of multiply torsion machine, and the steel wire on steel wire coil passes through pulley blocks,
Using inner cylinder and steel wire head out, can be stretched by steel wire rotating cylinder, then wrapping machine is wound in spring, and same lathe can add
The more springs of work, save the space of processing workshop.
Steel wire push disk is mounted on machine tool guideway, cooperates spring around the rotation of core, inner cylinder can be on one side by three steel wires
It is wound in one thick wirerope, is wound in spring on core in spring on one side, is equally also suitable one or two steel wire systems
At the technique of spring, two processes, save the cost and labour can be completed on a machine tool, is improved work efficiency.
It further limits, into the steel wire head and out steel wire head sets that there are four threaded hole of steel, and axis is equipped with one wherein
Crude steel wire hole is uniform-distribution with three finer wire holes around crude steel wire hole periphery, wherein on steel wire head threaded hole of steel and tapping
The threaded hole of steel center of circle on silk head is opposite.Crude steel wire hole can be used to be oriented to thicker wirerope, so that the promotion disk is mounted on and twines
It is used on the lathe of steel wire reel, finer wire hole is mainly used to pass through for the steel wire of 0.5 ~ 2mm, provides more steel for torsion machine
Silk allows push disk to realize multi-purpose function, worker is avoided to replace different push on lathe back and forth to be wound in multi-strand spring
Disk, it is only necessary to replace steel wire coil, reduce the labour of worker, improve processing efficiency.
It further limits, three groups of reel seats and pulley blocks is installed on the rear wall of coil of wire, and around into steel wire
Head periphery is evenly arranged.The effect of pulley blocks is the steel wire trend being oriented on steel wire coil, the energy when allowing the rotation of torsion machine to rotate
The steel wire on steel wire coil is more easily pullled out, pulley blocks are also stretched the effect for the steel wire rolled up on steel wire coil.
It further limits, the reel seat is U-shaped, is transversely provided with pin shaft in its open upper end, the movable set of steel wire coil exists
On pin shaft, locking elastic slice is additionally provided in the side of steel wire coil.When steel wire is drawn out, steel wire coil can rotate on reel seat, lock
Only the effect of elastic slice is to prevent steel wire coil skew when rotation, avoids steel wire from becoming bended again, and then influence to wind out
Spring-mass, three strands of springs being particularly wall-mounted on inside gun barrel, any mass defect may will lead to gun barrel bombing bore etc.
It is dangerous.
It further limits, guide post is additionally provided in the crude steel wire hole into steel wire head, guide post and pulley blocks will be from steel wires
Volume pull out steel wire be extruded in centre so that steel wire from the threaded hole of steel into steel wire head it is enterprising it is fashionable be the shape being stretched
State is conducive to the spring of later period torsion machine winding mass qualification.
It further limits, the central axes of the crude steel wire hole and spring are maintained at same horizontal line around the central axes of core.By
One wire rope spring that three steel wires are hinged into, while being squeezed out from the identical finer wire hole of spacing distance, it can uniformly cut with scissors
The wirerope that Cheng Sangen is wound mutually, if offset spring may will lead to three wirerope-winding unevenness around the central axes of core
It is even, cause the local stress of spring poor, easy fracture.
Further limit, the sliding chute seat be have bar dovetail groove slide unit, have the direction of motion of bar dovetail groove slide unit perpendicular to
The running track direction of machine tool guideway can adjust the front-rear position of dovetail groove slide unit by the bar portion of rotation dovetail groove slide unit,
Steel wire head and spring are conveniently adjusted out around the distance between core.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model torsion machine；
Fig. 2 is that steel wire push disk is mounted on the schematic perspective view on sliding chute seat；
Fig. 3 is the exploded isometric structural schematic diagram that steel wire pushes disk；
Fig. 4 is the front view for steel wire head；
Fig. 5 is the rearview that steel wire pushes disk.
Specific embodiment
It is right with reference to the accompanying drawings and examples in order to make those skilled in the art that the utility model may be better understood
Technical solutions of the utility model further explanation, it should be noted that using the extending direction of machine tool guideway as left and right sides, perpendicular to
Machine tool guideway extending direction is front and back side.
Torsion machine as shown in figure 1, figure 2, figure 3, figure 4 and figure 5, including lathe head 1, machine tool guideway 2 and it is mounted on lathe head
Scroll chuck 3 and sliding chute seat 4, spring on 1 push disk 7 around core 5, around core support 6 and steel wire, and the sliding chute seat 4 passes through cunning
Block 40 is mounted on machine tool guideway 2, and machine tool guideway 2 is made of two one slide rails 20 and lead screw 21, and the front and rear sides of sliding chute seat 4 pass through
Sliding block 4 is stuck on two one slide rails 20 and slides, and the centre of sliding chute seat 4 is through on lead screw 21, and the right part of lead screw 21 is equipped with lead screw electricity
Machine 22 drives lead screw 21 to rotate by spindle motor 22, so that lead screw 21 drives the left and right on two one slide rails 20 of sliding chute seat 4 to slide back and forth
Dynamic, the sliding chute seat 4 is to have bar dovetail groove slide unit, has the direction of motion of bar dovetail groove slide unit perpendicular to the operation of machine tool guideway 2
Course bearing, have bar dovetail groove slide unit can front and back adjusting position, adjustment steel wire push 7 front end of disk relative to spring around core 5
Distance has support plate 41 in the upper Plane Installation of sliding chute seat 4, described to be fixed in support plate 41 around core support 6, the spring around
The left end of core 5 is clamped on scroll chuck 3, and spring is clamped on core support 6 around the right end of core 5, and spring is around core 5 and three-jaw card
The central axes of disk 3 are kept in the same horizontal line, and the steel wire push disk 7 is mounted on the rear end of support plate 41 with sliding chute seat
4 move together.
The steel wire push disk 7 includes driving motor 70, rotation gear set 71, gear stand 72, coil of wire 73, steel wire turn
Cylinder 74 and rotating cylinder support 75, for the steel wire rotating cylinder 74 perpendicular to spring around core 5, the steel wire rotating cylinder 74 includes outer cylinder 740, inner cylinder
741, steel wire head 743 into steel wire head 742 and out, described into steel wire head 742 and out steel wire head 743 is connected to inner cylinder 741
Rear and front end, the threaded hole of steel there are four be all provided on steel wire head 743 into steel wire head 742 and out, the rear and front end of the outer cylinder 740
Through axle bearing sleeve outside inner cylinder 741, a bearing 744, outer cylinder 740 are cased in the rear and front end portion periphery of inner cylinder 741
Left side be mounted on rotating cylinder support 75, right side is mounted on gear stand 72, the rotating cylinder support 75 is mounted on support plate 41
On, such inner cylinder 741 is driven outer cylinder 740 when rotation not can rotate by rotation gear set 71, and outer cylinder 740 mainly rises in support
The effect of cylinder 741 and rotation gear set 71.
The rotation gear set 71 includes driving gear 710 and driven gear 711, and 710 sets of the driving gear is driving
On the output shaft of motor 70, the driving motor 70 is fixed on the preceding lateral wall of gear stand 72, the driven gear 711 with
Driving gear 710 engages, and driven gear 711 is rigidly attached to the right end of inner cylinder 741 and is placed in the rear side of rear bearing 744, wherein
Driven gear 711 and driving gear 710 are placed in the rear avris of gear stand 72, and the lower end of the gear stand 72 is mounted on support
On plate 41, and gear stand 72 is placed in the rear side of rotating cylinder support 75；The starting of driving motor 70 drives driving gear 710 to rotate, it
Rear drive gear 710 drives driven gear 711 to rotate, and drives rotation in the rigidly connected inner cylinder 741 of driven gear 711,
Be connected on inner cylinder 741 steel wire head 743 is similarly rotated into steel wire head 742 and out, cooperation is rotatably installed in three-jaw card
For spring on disk 3 around core 5, the steel wire squeezed out from steel wire push disk 7 is wrapped in spring on core 5, is made into helical spring 8,
Steel wire is wound on one side, and steel wire pushes 7 one side of disk toward moving on the right side of machine tool guideway 2, is just wound in the spring 8 of certain length.
The coil of wire 73 is mounted on the rear side of gear stand 72, and rotation gear set 71 is placed in gear stand 72 and coil of wire
Between 73, driving gear 710 and driven gear 711 drive inner cylinder 741 to rotate, and outer cylinder 740 and gear stand 72, coil of wire 73
Stationary, coil of wire 73 has been used to support steel wire coil etc., be used to suspension material, be equipped on the rear wall of coil of wire 73 to
Lack one group of reel seat 731 and pulley blocks 732, be cased with steel wire coil 733 on reel seat 731, steel wire 81 is wound on steel wire coil 733,
Steel wire 81 is passed through into steel wire head 742 and is pierced by by inner cylinder 741 from steel wire head 743 out, the steel wire coil 733, pulley blocks 732, steel
In the same plane, and the central axes of inner cylinder 741 and spring are maintained at same around core 5 for the central axes of wire hole and inner cylinder 741
On horizontal plane, it is therefore an objective to allow the steel wire 81 come out from inner cylinder 741 that can be wrapped in spring on core 5 straight.
In the present embodiment, into the steel wire head 742 and out steel wire head 743 sets that there are four threaded hole of steel, wherein on axis
Equipped with a crude steel wire hole 745, three finer wire holes 746 are uniform-distribution with around 745 periphery of crude steel wire hole, wherein into steel wire head
Threaded hole of steel on 742 is opposite with the threaded hole of steel center of circle on steel wire head 743 out, and finer wire hole 746 is used to wear three steel wires 81, in steel
There are three steel wire coil 733, three steel wire coils 733 pierce into inner cylinder 741 from into steel wire head 742 for the rear suspension of wire tray 73, from
Steel wire head 743 is pierced by out, and volume is in the spring being rotating on core 5, and inner cylinder 741 and spring rotate simultaneously around core 5, by three steel wires
81 are first wound in one, are then being coiled into 8 shape of spring.
In the present embodiment, three groups of reel seats 731 and pulley blocks 732 are installed on the rear wall of coil of wire 73, and are enclosed
It is evenly arranged around into 742 periphery of steel wire head.
In the present embodiment, the reel seat 731 is U-shaped, is transversely provided with pin shaft 734, steel wire coil 733 in its open upper end
Movable set is additionally provided with locking elastic slice 735 on pin shaft, in the side of steel wire coil 733.
In the present embodiment, guide post 747 is additionally provided in the crude steel wire hole 745 into steel wire head 742, on steel wire coil 733
Steel wire 81 be drawn out after, first pass through pulley blocks 732, guiding be straightened by 732 first time of pulley blocks, pass through guide post 747
It is pierced into inner cylinder 741 from the finer wire hole 746 on steel wire head 742, guide post 747 and pulley blocks 732 are at opposite two
Steel wire 81 is clipped in the middle by direction, and steel wire 81 is stretched in continuous traveling process by drawing, then from thin on steel wire head 743 out
Threaded hole of steel 746 is pierced by, and is hinged into a strand steel wire rope, and the diameter of individual wire 81 is generally 0.5 ~ 2mm, steel needed for being hinged into spring 8
Diameter is 1.0 ~ 10mm after cord.
In the present embodiment, the central axes of the crude steel wire hole 745 and spring are maintained at same level around the central axes of core 5
On line, crude steel wire hole 745 is mainly used on coil winding machine, opens up finer wire hole 746 incessantly on inner cylinder 741, is also opened up thick
The purpose of threaded hole of steel 745 is that steel wire push disk 7 can be allowed to have multifunctionality, and sliding chute seat 4 and steel wire push disk 7 carefully for adjustment
The steel wire coil 733 at 73 rear of coil of wire is only needed replacing behind position, so that it may complete around steel wire 81 on drum and around 8 liang of spring
Kind work post, solves the complexity of process, simplifies program, accelerates process velocity, and 746 liang of crude steel wire hole 745 and finer wire hole
Person has no effect on, and finer wire hole 746 is that three steel wires 81 are first wound skeining one when squeezing out around the steel wire 81 that spring needs
One steel cable risen, then spring is wrapped on core 5, it is made into finished product spring, three strands of stud type springs can be applied in gun,
Intensity and elastic property are all fine.
When using the torsion machine is operated, spring around core 5 is first mounted on scroll chuck 3 and between core support 6, then
It will be suspended on reel seat 731 with the steel wire coil 733 of steel wire 81, and pull out the end of steel wire 81, by steel wire 81 from into steel
Finer wire hole 746 on silk head 742 is pierced into inner cylinder 741, is worn from the finer wire hole 746 of steel wire head 743 out via inner cylinder 741
Out, then manual 81 end of winding steel wire is in spring on core 5, and driving motor 70 and spindle motor 22 operate simultaneously, inner cylinder 741
Three steel wires 81 are twisted into a strand steel wire rope in rotation, while spring is revolved under the drive of scroll chuck 3 again around core 5
Turn, three strand steel wire ropes are at the uniform velocity wrapped in spring on core 5, the right side shifting of machine tool guideway 5 is gone on one side wind sliding chute seat 4 while
It is dynamic, the steel wire 81 on the steel wire coils 733 of volume three is all made into the spring 8 of an entirety since then, finally removes, is cut manually by worker
The spring 8 of different length needed for disconnected.
Torsion machine provided by the utility model is described in detail above.The explanation of specific embodiment is only intended to help
Assistant solves the method and its core concept of the utility model.It should be pointed out that for those skilled in the art,
Without departing from the principle of this utility model, several improvements and modifications can be made to this utility model, these improvement
It is also fallen into the protection scope of the utility model claims with modification.
Claims (7)
1. torsion machine, including lathe head, machine tool guideway and the scroll chuck being mounted on lathe head, it is characterised in that: further include
Sliding chute seat, spring push disk around core, around core support and steel wire, and the sliding chute seat is mounted on machine tool guideway by sliding block, in cunning
The upper Plane Installation of groove seat has support plate, and described fixed on the supporting plate around core support, the spring is clamped in around the left end of core
On scroll chuck, spring is clamped on core support around the right end of core, and spring is maintained at same around the central axes of core and scroll chuck
On one horizontal line, the steel wire push disk is mounted on the rear end of support plate as sliding chute seat moves together；
The steel wire push disk includes driving motor, rotates gear set, gear stand, coil of wire, steel wire rotating cylinder and rotating cylinder support,
For the steel wire rotating cylinder perpendicular to spring around core, the steel wire rotating cylinder includes outer cylinder, inner cylinder, into steel wire head and out steel wire head, described
Steel wire head is connected to the rear and front end of inner cylinder into steel wire head and out, be equipped on steel wire head into steel wire head and out one or
More than one threaded hole of steel, the rear and front end of the outer cylinder is mounted on outer tube, on the left of outer cylinder by axle bearing sleeve to be turned
On cylinder support, right side be mounted on gear stand, rotating cylinder support installation is on the supporting plate；
The rotation gear set includes driving gear and driven gear, the pinion carrier on the output shaft of driving motor,
The driving motor is fixed on the preceding lateral wall of gear stand, and the driven gear is engaged with driving gear, and driven gear is rigid
Property is connected to the right end of inner cylinder and is placed in the rear side of rear bearing, and wherein driven gear and driving gear are placed in the back of gear stand
The lower end of side, the gear stand is installed on the supporting plate, and gear stand is placed in the rear side of rotating cylinder support；
The coil of wire is mounted on the rear side of gear stand, and rotation gear set is placed between gear stand and coil of wire, in steel wire
At least one set of reel seat and pulley blocks are installed on the rear wall of disk, steel wire coil is cased on reel seat, is wound with steel on steel wire coil
Silk, steel wire is passed through and is pierced by into steel wire head by inner cylinder from steel wire head out, in the steel wire coil, pulley blocks, threaded hole of steel and inner cylinder
In the same plane, and the central axes of inner cylinder and spring are maintained at the same horizontal plane axis around core.
2. torsion machine according to claim 1, which is characterized in that into the steel wire head and out steel wire head sets that there are four steel wires
Hole, axis is equipped with a crude steel wire hole wherein, is uniform-distribution with three finer wire holes around crude steel wire hole periphery, wherein into
Threaded hole of steel on steel wire head is opposite with the threaded hole of steel center of circle on steel wire head out.
3. torsion machine according to claim 2, which is characterized in that be equipped with three groups of reel seats on the rear wall of coil of wire
And pulley blocks, and be evenly arranged around into steel wire head periphery.
4. torsion machine according to claim 3, which is characterized in that the reel seat is U-shaped, laterally sets in its open upper end
There is pin shaft, the movable set of steel wire coil is additionally provided with locking elastic slice on pin shaft, in the side of steel wire coil.
5. torsion machine according to claim 2, which is characterized in that be additionally provided with guiding in the crude steel wire hole into steel wire head
Column.
6. torsion machine according to claim 2, which is characterized in that the central axes of the crude steel wire hole and spring are in core
Axis is kept in the same horizontal line.
7. torsion machine according to claim 1, which is characterized in that the sliding chute seat is to have bar dovetail groove slide unit, there is bar swallow
Running track direction of the direction of motion of stern notch slide unit perpendicular to machine tool guideway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822080755.3U CN209156985U (en) | 2018-12-12 | 2018-12-12 | Torsion machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822080755.3U CN209156985U (en) | 2018-12-12 | 2018-12-12 | Torsion machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209156985U true CN209156985U (en) | 2019-07-26 |
Family
ID=67343403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822080755.3U Expired - Fee Related CN209156985U (en) | 2018-12-12 | 2018-12-12 | Torsion machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209156985U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111112518A (en) * | 2020-01-03 | 2020-05-08 | 北京强度环境研究所 | Stretching device of spiral coil stretching and winding system |
| CN116765286A (en) * | 2023-08-18 | 2023-09-19 | 苏州立而达精准弹簧有限公司 | Spring coiling equipment for precision spring production and precision spring production process |
-
2018
- 2018-12-12 CN CN201822080755.3U patent/CN209156985U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111112518A (en) * | 2020-01-03 | 2020-05-08 | 北京强度环境研究所 | Stretching device of spiral coil stretching and winding system |
| CN116765286A (en) * | 2023-08-18 | 2023-09-19 | 苏州立而达精准弹簧有限公司 | Spring coiling equipment for precision spring production and precision spring production process |
| CN116765286B (en) * | 2023-08-18 | 2023-11-10 | 苏州立而达精准弹簧有限公司 | Spring coiling equipment for precision spring production and precision spring production process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220615 Address after: 400054, No. 1, Jianshe Avenue, Huaxi Industrial Park, Banan District, Chongqing Patentee after: CHONGQING JIANSHE INDUSTRY (GROUP) Co.,Ltd. Address before: 611930 No. 159 Changjiang Road, Pengzhou, Sichuan, Chengdu Patentee before: SICHUAN HUAQING MACHINERY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190726 |
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| CF01 | Termination of patent right due to non-payment of annual fee |