CN207800371U - A kind of capacitor lead wire stiffening device - Google Patents
A kind of capacitor lead wire stiffening device Download PDFInfo
- Publication number
- CN207800371U CN207800371U CN201721524937.4U CN201721524937U CN207800371U CN 207800371 U CN207800371 U CN 207800371U CN 201721524937 U CN201721524937 U CN 201721524937U CN 207800371 U CN207800371 U CN 207800371U
- Authority
- CN
- China
- Prior art keywords
- pressure roller
- upright bar
- rotary shaft
- lead wire
- roller
- 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
Landscapes
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The utility model provides a kind of capacitor lead wire stiffening device, including roller press mechanism and haulage gear, roller press mechanism includes pedestal, is vertically fixed on the holder of susceptor surface and is set to the first pressure roller of holder and the second pressure roller, first roller surface middle position is circumferentially arranged annular projection, second roller surface middle position is circumferentially arranged have with the matched annular groove of protrusion, the first pressure roller and the second pressure roller being capable of opposite direction rotating movements；Haulage gear tow lead item is passed through from the gap between the protrusion and the groove, and the roll-in to lead item is realized in the first pressure roller and the movement of the second pressure roller opposite direction rotating.The utility model is strengthened by carrying out roll-in to lead item so that the ability of lead resistance to deformation is improved, lead item after reinforcing is not susceptible to be bent in process of production, the performance for effectively improving the quality and capacitor of the welding of lead item, reduces production cost, improves production efficiency.
Description
Technical field
The utility model is related to capacitor production fields, and in particular to a kind of capacitor lead wire stiffening device.
Background technology
Capacitor is a kind of device accommodating charge, is indispensable electronic component in electronics, power domain, answers extensively
For in the circuits such as power filter, signal filtering, signal coupling, resonance, stopping direct current, being done for the fast development of modern electronic technology
Go out indelible contribution.
There is the electrolyte of storage charge in the inside of electrolytic capacitor, and point positive and negative polarity is similar to battery, can not connect
Instead.Just extremely it is being stained with the metal substrate of oxidation film, cathode is connected by metal polar plate and electrolyte (solid and non-solid).Draw
Line draws the positive and negative electrode of electrolytic capacitor, and in capacitor fabrication process, the lead welding of capacitor is particularly important together
Process, realization lead and capacitor core are welded and fixed.
The connection of lead and electrolytic capacitor and the shape of lead, length all have very the quality of electrolytic capacitor and performance
Big influence, in process of production, lead are easily bent deformation, influence the performance of the quality and electrolytic capacitor of welding.It is logical
In the case of often, staff can smear the lead of bending directly, or with equipment by lead straightening, as shown in Figure 1 and Figure 2, lead item
7 ' pass through from the first pressure roller 3 ' and the second pressure roller 4 ' are intermediate, and first pressure roller 3 ' and the 4 ' opposite direction rotating of the second pressure roller move
By the 7 ' straightening of lead item.Using it is above-mentioned it is artificial smear straight or equipment straightening method, it is not only time-consuming and laborious, lead can also be made
At a degree of damage, and the lead straightened using aforesaid operations, can equally it occur during subsequent assembly, encapsulation etc.
The case where flexural deformation.On the other hand, higher and higher with the degree of equipment automatization, equipment operating rate is getting faster, work
Make personnel to smear straight wire manually or repeat straightening lead using equipment, all can constrain production because speed is too slow, increase
Production cost, reduces production efficiency.
To sum up, there is an urgent need for a kind of capacitor lead wire stiffening devices in market, are easily bent with solving lead item in the prior art
The problem of deformation.
Utility model content
The purpose of this utility model is for the above-mentioned prior art, to provide a kind of capacitor lead wire item
Stiffening device, the utility model bring it about deformation by roll-in lead item, and the lead item after deformation is in strain, resist
The ability of deformation is improved, and the lead item after reinforcing is not susceptible to be bent in process of production, effectively improves the welding of lead item
Quality and capacitor performance, reduce production cost, improve production efficiency.
In order to solve the technical problem in background technology, the utility model provides a kind of capacitor lead wire item reinforcement dress
It sets, including roller press mechanism and haulage gear,
The roller press mechanism includes pedestal, is vertically fixed on the holder of the susceptor surface and is set to the pressure of the holder
Roller, the pressure roller include the first pressure roller and the second pressure roller being oppositely arranged, and the first roller surface middle position is circumferentially
Be provided with annular projection, the second roller surface middle position is circumferentially arranged have it is recessed with the matched annular of the protrusion
Slot, first pressure roller and second pressure roller being capable of opposite direction rotating movements；
The haulage gear for tow lead item along the direction of rotation of first pressure roller from it is described protrusion and it is described recessed
It is passed through between slot, the roll-in to the lead item is realized in first pressure roller and the second pressure roller opposite direction rotating movement.
Using the above structure, there are frictional force between the lead item and the protrusion and second pressure roller, when described
When lead item is across the protrusion and the groove, frictional force drives first pressure roller and second pressure roller to revolve in opposite directions
Transhipment is dynamic, and the protrusion and the fit depressions carry out roll-in to lead item so that the middle section of the lead item is along it
Length direction forms arc-shaped recess, and strain hardening phenomenon occurs for the lead item after deformation, i.e., the described lead item passes through roll-in
It deforming upon later, subsequently to continue to occur to strain then increase stress, roll-in makes the lead item be in strain,
The ability of resistance to deformation is improved.Lead item after reinforcing is not susceptible to be bent during subsequent production, effectively improves and draws
The performance of the quality and capacitor of lines welding.
Specifically, the holder includes the first upright bar and the second upright bar, and first upright bar and second upright bar are opposite
It is set to the both sides of the pedestal；First pressure roller and second pressure roller are set in turn in along the short transverse of the holder
Between first upright bar and second upright bar；
The axis of first pressure roller is equipped with the first rotary shaft, and the both ends of first rotary shaft are respectively with described first
Upright bar is connected with second upright bar, and first pressure roller can be rotated around first rotary shaft；
The axis of second pressure roller is equipped with the second rotary shaft, and the both ends of second rotary shaft are respectively with described first
Upright bar is connected with second upright bar, and second pressure roller can be rotated around second rotary shaft.
Preferably, the holder is N-shaped.
Preferably, first upright bar and second upright bar surface are relatively set with strip through-hole, the strip through-hole
Length direction perpendicular to the pedestal, first rotary shaft and second rotary shaft respectively by adjusting bolt with it is described
Strip-shaped hole cooperation is fixed between first upright bar and second upright bar, adjusts the adjusting bolt, first rotation
Axis and second rotary shaft can be along the strip through-hole in the strip through-hole length direction move, to change
State the gap size between the first pressure roller and second pressure roller, the adjusting bolt is for fixing first pressure roller and described
The position of second pressure roller.
Using the above structure, the gap size between first pressure roller and second pressure roller can change, i.e., described
It is raised to change with the distance between groove size, to adjust the lead middle section arc-shaped recess arc
Size is spent, the reinforcing degree of lead item changes correspondingly, and prevents roller pressure from spending big and damaging the lead item, and make the electricity
Capacitor lead wire stiffening device can adapt to different materials and various sizes of lead item, and practicability is stronger.
Preferably, the stiffening device for capacitor lead wire item further includes driving mechanism, and the driving mechanism is used for
First rotary shaft and second rotary shaft is driven to drive first pressure roller and the second pressure roller opposite direction rotating respectively
Movement.First pressure roller and the second pressure roller opposite direction rotating move so that the protrusion and the fit depressions are to lead
Item carries out roll-in.
Specifically, the driving mechanism includes driving motor.
Preferably, the protrusion is integrally formed with first pressure roller.
Specifically, the section of the protrusion is the semicircle that radius is 2.5mm.
Further, it is the arc-shaped of 5mm that the section of the groove, which is both ends distance, and the radius of the circular arc is 6.5mm.
Preferably, the radical length of the radical length of first pressure roller and second pressure roller is 15mm.
Specifically, the material of first pressure roller and second pressure roller is stainless steel.
The utility model additionally provides a kind of lead item, and the middle section of the lead item along its length forms recessed
It falls into.
Specifically, the concave shape is arc.
Capacitor lead wire stiffening device provided by the utility model, has the advantages that：
1. the capacitor lead wire stiffening device of the utility model, rotation of the draft gear tow lead item along the first pressure roller
Direction is passed through between protrusion and groove, and the protrusion and the fit depressions carry out roll-in to lead item so that described to draw
The middle section of lines forms arc-shaped recess, and strain hardening phenomenon, the ability of resistance to deformation occur for the lead item after deformation
It is improved, is not susceptible to be bent during subsequent production, effectively increase the quality and electrolytic capacitor of the welding of lead item
Performance.
2. the capacitor lead wire stiffening device of the utility model, the distance between the first pressure roller and the second pressure roller are adjustable
Section so that the gap between protrusion and groove is adjustable, to change the radian size of lead arc-shaped recess, the reinforcing of lead item
Degree changes correspondingly, and prevents roller pressure from spending big and damaging lead item, and enables the capacitor lead wire stiffening device
Different materials and various sizes of lead item are adapted to, it is highly practical.
3. the capacitor lead wire stiffening device of the utility model, simple in structure, easy to use, roll-in speed is fast, improves
Production efficiency saves manpower, reduces production cost.
Description of the drawings
It, below will be to institute in embodiment or description of the prior art in order to illustrate more clearly of the technical solution of the utility model
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some of the utility model
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the operating diagram of lead flatten unit in the prior art；
Fig. 2 is the structural schematic diagram of the lead item after lead flatten unit roll-in in the prior art；
Fig. 3 is the capacitor lead wire stiffening device structural schematic diagram of the utility model；
Fig. 4 is the operating diagram of the capacitor lead wire stiffening device of the utility model；
Fig. 5 is the structural schematic diagram of the lead item after the capacitor lead wire stiffening device roll-in of the utility model；
Fig. 6 is the side view of the capacitor lead wire stiffening device in the utility model embodiment two.
Wherein, reference numeral corresponds in figure：3 '-the first pressure rollers, 4 '-the second pressure rollers, 7 '-lead items, 1- pedestals, 2- branch
Frame, the first upright bars of 21-, the second upright bars of 22-, the first pressure rollers of 3-, 31- protrusions, the first rotary shafts of 32-, the second pressure rollers of 4-, 41- are recessed
Slot, the second rotary shafts of 42-, 5- strip through-holes, 6- adjusting bolts, 7- lead items.
Specific implementation mode
Below in conjunction with attached drawing, the technical scheme in the utility model embodiment is clearly and completely described, shows
So, the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.It is new based on this practicality
Embodiment in type, the every other reality that those of ordinary skill in the art are obtained under the premise of not making creative work
Example is applied, shall fall within the protection scope of the present invention.
Embodiment one：
A kind of capacitor lead wire stiffening device is present embodiments provided, as shown in figure 3, including roller press mechanism and dragger
Structure, the roller press mechanism include pedestal 1, are vertically fixed on the holder 2 on 1 surface of the pedestal and are set to the pressure of the holder 2
Roller, the pressure roller include the first pressure roller 3 and the second pressure roller 4 being oppositely arranged, and first pressure roller, 3 surface middle position is along week
To being provided with annular projection 31, second pressure roller, 4 surface middle position is circumferentially arranged to be had and is matched with described raised 31
Annular groove 41, first pressure roller 3 and second pressure roller 4 being capable of opposite direction rotating movements；The haulage gear draws
Lines 7 are passed through along the direction of rotation of first pressure roller 3 between described raised 31 and the gap of the groove 41, and described first
Pressure roller 3 and 4 opposite direction rotating of the second pressure roller movement, realize the roll-in to the lead item 7.
In the present embodiment, the holder 2 includes the first upright bar 21 and the second upright bar 22, first upright bar 21 and described the
Two upright bars 22 are relatively arranged on the both sides of the pedestal 1；The height of first pressure roller 3 and second pressure roller 4 along the holder 2
Degree direction is set in turn between first upright bar 21 and second upright bar 22；The axis of first pressure roller 3 is equipped with
The both ends of first rotary shaft 32, first rotary shaft 32 are connect with first upright bar 21 and second upright bar 22 respectively,
First pressure roller 3 can be rotated around first rotary shaft 32；The axis of second pressure roller 4 is equipped with the second rotary shaft
42, the both ends of second rotary shaft 42 are connect with first upright bar 21 and second upright bar 22 respectively, second pressure
Roller 4 can be rotated around second rotary shaft 42.Preferably, the holder 2 is N-shaped structure.
As shown in Figure 4 and Figure 5, using the above structure, the lead item 7 with described raised 31 and second pressure roller 4 it
Between there are frictional force, when the lead item 7 is across described raised 31 and the groove 41, frictional force drive described first
Pressure roller 3 and 4 opposite direction rotating of the second pressure roller movement, described raised 31 and the groove 41 match to lead item 7 carry out roller
Pressure so that the middle section of the lead item 7 forms arc-shaped recess along its length, and the lead item 7 after deformation occurs
Strain hardening phenomenon, i.e., the described lead item 7 will subsequently continue to occur to strain then increase to answer by deforming upon after roll-in
Power, roll-in make the lead item 7 be in strain, and the ability of resistance to deformation is improved.Lead item 7 after reinforcing is rear
It is not susceptible to be bent in continuous production process, effectively improves the performance of the quality and capacitor of the welding of lead item.And from lead bar shaped
Shape configuration aspects consider that the middle section of the lead item 7 forms arc-shaped recess along its length, and smooth in Fig. 2
Draw linear to compare, drawing with arc-shaped recess, linear was more difficult to be deformed upon.
In the present embodiment, preferably, raised 31 section is the semicircle that radius is 2.5mm, and the protrusion
31 are integrally formed with first pressure roller 3；It is the arc-shaped of 5mm that the section of the groove, which is both ends distance, the half of the circular arc
Diameter is 6.5mm；The radical length of the radical length of first pressure roller and second pressure roller is 15mm.Preferably, described
The material of one pressure roller and second pressure roller is stainless steel
Embodiment two：
A kind of capacitor lead wire stiffening device and embodiment one of the present embodiment are essentially identical, and difference lies in this implementations
Capacitor lead wire stiffening device in example further includes driving mechanism, and the driving mechanism is for driving first rotary shaft 32
First pressure roller 3 and 4 opposite direction rotating of the second pressure roller is driven to move respectively with second rotary shaft 42.First pressure
Roller 3 and 4 opposite direction rotating of the second pressure roller move so that described raised 31 and the groove 41 match and roller carried out to lead item 7
Pressure.Preferably, the driving mechanism includes driving motor.
The side that first pressure roller 3 and 4 opposite direction rotating of the second pressure roller move is driven with frictionally in embodiment one
Formula is compared, and first rotary shaft 32 and second rotary shaft 42 band respectively are driven using the driving mechanism in the present embodiment
First pressure roller 3 and 4 opposite direction rotating of the second pressure roller movement are moved, pressing effect is good, and roll-in is more efficient.
Embodiment three：
A kind of capacitor lead wire stiffening device and embodiment one of the present embodiment are essentially identical, and difference lies in described
Gap size between one pressure roller 3 and second pressure roller 4 can be adjusted.As shown in fig. 6, first upright bar 21 and described
Two upright bars, 22 surface is relatively set with strip through-hole 5, and the length direction of the strip through-hole 5 is perpendicular to the pedestal 1, and described
One rotary shaft 32 and second rotary shaft 42 are fixed on described the by adjusting bolt 6 and the cooperation of the strip through-hole 5 respectively
Between one upright bar 21 and second upright bar 22, the adjusting bolt 6 is for fixing first pressure roller 3 and second pressure roller
4 position adjusts the adjusting bolt 6, and first rotary shaft 32 and second rotary shaft 42 can be logical in the bar shaped
Length direction in hole 5 along the strip through-hole 5 moves, to change between first pressure roller 3 and second pressure roller 4
Gap size.
Using the above structure, the gap size between first pressure roller 3 and second pressure roller 4 can change, i.e. institute
Stating raised the distance between 31 and the groove 41 size can change, to adjust the arc of 7 middle section of lead item
The radian size of recess, the reinforcing degree of lead item 7 change correspondingly, and prevent roller pressure from spending big and damaging the lead item 7, and
So that the capacitor lead wire stiffening device can adapt to different materials and various sizes of lead item, practicability is stronger.
Capacitor lead wire stiffening device provided by the utility model, has the advantages that：
1. the capacitor lead wire stiffening device of the utility model, rotation of the draft gear tow lead item along the first pressure roller
Direction is passed through between protrusion and groove, and the protrusion and the fit depressions carry out roll-in to lead item so that described to draw
The middle section of lines forms arc-shaped recess, and strain hardening phenomenon, the ability of resistance to deformation occur for the lead item after deformation
It is improved, is not susceptible to be bent during subsequent production, effectively increase the quality and electrolytic capacitor of the welding of lead item
Performance.
2. the capacitor lead wire stiffening device of the utility model, the distance between the first pressure roller and the second pressure roller are adjustable
Section so that the gap between protrusion and groove is adjustable, to change the radian size of lead arc-shaped recess, lead item 7 it is strong
Change degree changes correspondingly, and prevents roller pressure from spending big and damaging lead item, and enables the capacitor lead wire stiffening device
Different materials and various sizes of lead item are enough adapted to, it is highly practical.
3. the capacitor lead wire stiffening device of the utility model, simple in structure, easy to use, roll-in speed is fast, improves
Production efficiency saves manpower, reduces production cost.
Above disclosed is only several preferred embodiments of the utility model, cannot limit this reality with this certainly
With novel interest field, therefore equivalent variations made according to the claim of the utility model, still belong to the utility model and is covered
Range.
Claims (10)
1. a kind of capacitor lead wire stiffening device, it is characterised in that：Including roller press mechanism and haulage gear,
The roller press mechanism includes pedestal, is vertically fixed on the holder of the susceptor surface and is set to the pressure roller of the holder,
The pressure roller includes the first pressure roller and the second pressure roller being oppositely arranged, and the first roller surface middle position is circumferentially arranged
Have an annular projection, the second roller surface middle position is circumferentially arranged have with the matched annular groove of protrusion,
First pressure roller and second pressure roller being capable of opposite direction rotating movements；
The haulage gear can tow lead item along the direction of rotation of first pressure roller from it is described protrusion and the groove it
Between gap pass through, roll-in to the lead item is realized in first pressure roller and the second pressure roller opposite direction rotating movement.
2. capacitor lead wire stiffening device according to claim 1, it is characterised in that：The holder includes the first upright bar
With the second upright bar, first upright bar and second upright bar are relatively arranged on the both sides of the pedestal；First pressure roller and
Second pressure roller is set in turn in along the short transverse of the holder between first upright bar and second upright bar；
The axis of first pressure roller is equipped with the first rotary shaft, the both ends of first rotary shaft respectively with first upright bar
It is connected with second upright bar, first pressure roller can be rotated around first rotary shaft；
The axis of second pressure roller is equipped with the second rotary shaft, the both ends of second rotary shaft respectively with first upright bar
It is connected with second upright bar, second pressure roller can be rotated around second rotary shaft.
3. capacitor lead wire stiffening device according to claim 2, it is characterised in that：First upright bar and described
Two upright bar surfaces are relatively set with strip through-hole, and the length direction of the strip through-hole is perpendicular to the pedestal, first rotation
Shaft and second rotary shaft are fixed on first upright bar and described by adjusting bolt and strip-shaped hole cooperation respectively
Between second upright bar, the adjusting bolt is used to fix the position of first pressure roller and second pressure roller, adjusts the tune
Bolt is saved, first rotary shaft and second rotary shaft can be in the strip through-holes along the length of the strip through-hole
Direction moves.
4. capacitor lead wire stiffening device according to claim 1, it is characterised in that：The holder is N-shaped.
5. capacitor lead wire stiffening device according to claim 2, it is characterised in that：Further include driving mechanism, it is described
Driving mechanism is for driving first rotary shaft and second rotary shaft to drive first pressure roller and described second respectively
Pressure roller opposite direction rotating moves.
6. the capacitor lead wire stiffening device according to any one of claim 1-5, it is characterised in that：The protrusion
It is integrally formed with first pressure roller.
7. the capacitor lead wire stiffening device according to any one of claim 1-5, it is characterised in that：The protrusion
Section be semicircle that radius is 2.5mm.
8. the capacitor lead wire stiffening device according to any one of claim 1-5, it is characterised in that：The groove
Section be both ends distance be the arc-shaped of 5mm.
9. the capacitor lead wire stiffening device according to any one of claim 1-5, it is characterised in that：Described first
The radical length of the radical length of pressure roller and second pressure roller is 15mm.
10. a kind of capacitor lead wire item, it is characterised in that：It is recessed that the middle section of the lead item along its length forms arc
It falls into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721524937.4U CN207800371U (en) | 2017-11-15 | 2017-11-15 | A kind of capacitor lead wire stiffening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721524937.4U CN207800371U (en) | 2017-11-15 | 2017-11-15 | A kind of capacitor lead wire stiffening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207800371U true CN207800371U (en) | 2018-08-31 |
Family
ID=63285488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721524937.4U Active CN207800371U (en) | 2017-11-15 | 2017-11-15 | A kind of capacitor lead wire stiffening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207800371U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112792170A (en) * | 2020-12-31 | 2021-05-14 | 深圳市嘉和达管业有限公司 | Preparation process of oil cooler pipe with reinforcing sheet outside |
-
2017
- 2017-11-15 CN CN201721524937.4U patent/CN207800371U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112792170A (en) * | 2020-12-31 | 2021-05-14 | 深圳市嘉和达管业有限公司 | Preparation process of oil cooler pipe with reinforcing sheet outside |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110421582A (en) | A kind of robot device for lithium battery coiling core crawl pairing | |
| CN207800371U (en) | A kind of capacitor lead wire stiffening device | |
| CN110718665A (en) | Lithium battery pole lug combined flattening method | |
| CN108493476A (en) | Transfer device is clamped in lithium battery | |
| CN207188535U (en) | A kind of lithium ion cell polar ear bending device | |
| CN109065953B (en) | Full-automatic ultrasonic welding machine for lithium battery | |
| CN214264726U (en) | Clamping device for machining metal product parts | |
| CN211393582U (en) | Electric horizontal coil lifting appliance with rotary supporting claw | |
| CN210380569U (en) | Flat winding wire processing equipment of neodymium iron boron permanent magnet motor | |
| CN209747668U (en) | Clamping device for shaping end face of cylindrical lithium battery roll core | |
| CN207656068U (en) | A kind of mash welder with steel band feeding device | |
| CN208825252U (en) | A kind of vertical machine for bending into circle | |
| CN218656249U (en) | Bending device for producing electromagnet | |
| CN206838998U (en) | A kind of processing unit (plant) of reinforcing bar conductor rope | |
| CN218963491U (en) | Dust collecting equipment that application scope is wide | |
| CN206878091U (en) | A kind of coating machine and roll squeezer interlinked mechanism | |
| CN206897726U (en) | A kind of coiling gluing all-in-one | |
| CN206619967U (en) | A kind of permanent magnetism wind-powered electricity generation rotor for being easy to fix magnet steel | |
| CN206263517U (en) | A kind of welding tooling of half bead structure | |
| CN110756625B (en) | Galvanized steel sheet bending processing equipment and steel sheet processing method | |
| CN215184067U (en) | Shaping device for cylindrical lithium ion battery pole group | |
| CN209532844U (en) | One kind processing turnover device for precision parts | |
| CN209571505U (en) | A kind of pole piece deviation correction mechanism | |
| CN208368638U (en) | Lithium battery clamps transfer device | |
| CN217223412U (en) | Coiling mechanism for spring machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |