CN206747305U - A kind of section bar stretching-machine - Google Patents
A kind of section bar stretching-machine Download PDFInfo
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- CN206747305U CN206747305U CN201720280349.4U CN201720280349U CN206747305U CN 206747305 U CN206747305 U CN 206747305U CN 201720280349 U CN201720280349 U CN 201720280349U CN 206747305 U CN206747305 U CN 206747305U
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- section bar
- guide rail
- oil cylinder
- head
- pincers
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Abstract
The utility model provides a kind of section bar stretching-machine, including the first head, the second head, the first guide rail base for being supported in the first head bottom, the second guide rail base for being supported in second head and is arranged among second guide rail base and for the support machine of support section bar；First head includes the first mobile base, the first clamping mechanism and drawing mechanism, and the first mobile base is slidably matched with the first guide rail base；Second head includes the second mobile base, the second clamping mechanism and locking mechanism, and second mobile base is slidably matched with the second guide rail base.Clamping mechanism of the present utility model uses centering type flat board clamp, and its upper and lower pincers can all be driven by Vertical Cylinders, move vertically to suitable position, when ensuring to stretch every time, tensile force center is all maintained on same straight line with section bar center, reduces section bar waste material, lifts draw efficiency；The contact area of plate clamp and section bar is big, can clamp section bar well.
Description
Technical field
Extrusion Process of Aluminum Alloy Profile processing equipment field is the utility model is related to, more specifically to a kind of section bar stretching-machine.
Background technology
In aluminum extrusion process, due to the inhomogeneous cooling of front end, section bar can be deformed, it is necessary to pass through stretching-machine
By aluminium section bar tension straingtening.Stretching-machine includes a mobile stretching head and a fixed stretching head, and two stretching heads are arranged on same
On one guide rail.Mobile stretching head is walked positioning on guide rail, and section bar is transported in jaw by mechanism, the folder of two stretching heads
Pincers firmly clamp section bar, and fixed stretching head performs pulling action by hydraulic oil cylinder driving.However, existing stretching-machine generally there are it is as follows
Defect：
(1) because lower jaw is fixed flat planar, upper jaw is finger-type or other types of clamp, is only pressed from both sides by upper jaw
Hold section bar, the center of section bar and the center of stretching oil cylinder and be not arranged on the same straight line, such a stretching engine efficiency is low, easily causes
The unnecessary waste material of section bar；Finger-type clamp may result in section bar folder and loosely cause risk because lifting surface area is too small；And when twisting torsion
Torsion center and section bar off(-)center are twisted, causes stubborn torsion ineffective；
The section bar deformed without support among (2) two stretching heads, during stretching may scratch the belt of bottom, cause belt
Damage, increase maintenance cost；
(3) stretching-machine head is acted directly on track, without any protection, easily causes path wear；And track and ground
Base is typically all that second pouring cement is fixed, and it is highly difficult to change track.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of section bar stretching-machine, and it includes the first head,
Two heads, the first guide rail base for being supported in the first head bottom, the second guide rail base for being supported in second head,
And it is arranged among second guide rail base and for the supporting mechanism of support section bar；
First head includes the first mobile base, the first clamping mechanism and drawing mechanism, first mobile base
It is slidably matched with first guide rail base；First clamping mechanism is arranged in first mobile base, and described first
Clamping mechanism is centering type flat board clamp, one end for clamping section；The drawing mechanism includes stretching oil cylinder and oil cylinder branch
Frame, the cylinder bracket are fixed on first guide rail base, and the body for stretching oil cylinder is installed in rotation on described
On cylinder bracket, fixing axle, one end of the fixing axle and first tong bodies are installed with first mobile base
Connection, the other end of the fixing axle are connected by hinge with the push rod of the stretching oil cylinder；
Second head includes the second mobile base, the second clamping mechanism and locking mechanism, second mobile base
It is slidably matched with second guide rail base, second clamping mechanism is arranged in second mobile base, and described second
Clamping mechanism is centering type flat board clamp, the other end for clamping section；The locking mechanism include locked cylinder, latch and
Lock hole, the locked cylinder are fixedly mounted in second mobile base, and the lock hole is opened in second guide rail
On pedestal, the push rod of the locked cylinder is connected with the latch, and the latch can be driven to insert in the lock hole, makes institute
The second mobile base is stated to be connected and fixed with second guide rail base.
As the preferable scheme of the utility model, first clamping mechanism includes the first clamp with vice shape opening
Body, pincers on first, clamp oil cylinder, first time pincers on first and clamp oil cylinder for first time, the body of pincers oil cylinder hangs down on described first
The top of the vice shape opening of first tong bodies is directly fixed on, on the push rod and described first that oil cylinder is clamped on described first
Clipper joint；The body of first time pincers oil cylinder is vertically fixed on the bottom of the vice shape opening of first tong bodies, institute
State first time push rod for clamping oil cylinder and first time clipper joint；Pincers and described first time pincers face on described first.
As the preferable scheme of the utility model, first head also includes Niu Ning mechanisms, and the Niu Ning mechanisms include
Turn round and twist motor, drive gear and arc-shaped rack, one end of first tong bodies and the fixing axle is rotatablely connected；The arc
Shape rack is installed in first tong bodies and its radius extended line intersects with the central axis of the fixing axle；Described turn round is twisted
Motor is fixedly mounted in the fixing axle, and its drive shaft is connected with the drive gear, the drive gear and the arc
Rack engages.
As the preferable scheme of the utility model, first head also includes the first section bar introducing mechanism, and described first
Section bar introducing mechanism is arranged on the front end of the vice shape opening of first tong bodies.
As the preferable scheme of the utility model, second clamping mechanism includes the second clamp with vice shape opening
Body, pincers on second, clamp oil cylinder, second time pincers on second and clamp oil cylinder for second time, the body of pincers oil cylinder hangs down on described second
The top of the vice shape opening of second tong bodies is directly fixed on, on the push rod and described second that oil cylinder is clamped on described second
Clipper joint；The body of second time pincers oil cylinder is vertically fixed on the bottom of the vice shape opening of second tong bodies, institute
State second time push rod for clamping oil cylinder and second time clipper joint；Pincers and described second time pincers face on described second.
As the preferable scheme of the utility model, second head also includes walking mechanism, and the walking mechanism includes
Movable motor, drive gear and linear gear rack, the linear gear rack are installed on second guide rail base, the movable motor
Be fixedly mounted in second mobile base, its drive shaft is connected with the drive gear, the drive gear with it is described straight
Line rack engages.
As the preferable scheme of the utility model, second head also includes the second section bar introducing mechanism, and described second
Section bar introducing mechanism is arranged on the front end of the vice shape opening of second tong bodies.
As the preferable scheme of the utility model, the supporting mechanism includes drive cylinder, connecting rod, guiding trestle and extremely
Few one group of support component, support component described in every group include drive cylinder, swing arm and support roller, the body peace of the drive cylinder
On second guide rail base, the push rod of the drive cylinder is connected with the connecting rod, and the connecting rod is oriented to branch with described
Frame is slidably matched, and the body of the drive cylinder is arranged on the connecting rod, and the swing arm is rotatably connected to described second
On guide rail base, the push rod of one end of the swing arm and the drive cylinder is rotatablely connected, the other end of the swing arm with it is described
Support roller connects, and the drive cylinder drives the support roller to rise or reduce by the swing arm.
It is provided with as the preferable scheme of the utility model, between first mobile base and first guide rail base resistance to
Nog plate.
It is provided with as the preferable scheme of the utility model, between second mobile base and second guide rail base resistance to
Nog plate.
Implement a kind of section bar stretching-machine of the present utility model, compared with prior art, have the advantages that：
(1) clamping mechanism of the present utility model uses centering type flat board clamp, and its upper and lower pincers can all be driven by Vertical Cylinders
It is dynamic, move vertically to suitable position, it is ensured that when stretching every time, tensile force center is all maintained at same straight line with section bar center
On, section bar waste material is reduced, lifts draw efficiency；The contact area of plate clamp and section bar is big, can clamp section bar well；
And the center that rotation torque when turning round is carried in section bar is twisted, ensure to twist to turn round effect；
Between (2) two clamping mechanisms, i.e., liftable support roller is installed among guide rail base, usually in low level, drawn
The position with lower pincers sustained height is raised to when stretching, section bar is supported in stretching, avoids section bar from scratching the belt conveyor of bottom, it is such a
Structure is especially suitable in large-tonnage stretching-machine；
(3) the utility model can be facilitated in section bar leading-in pliers mouth by the setting of section bar introducing mechanism；
(4) the utility model can prevent main body from damaging by setting wearing plate between mobile base and guide rail base.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, the accompanying drawing of embodiment will be made below simple
Ground introduction.
Fig. 1 is a kind of structural representation of section bar stretching-machine of the utility model；
Fig. 2 is the structural representation of the first head；
Fig. 3 is the profile of the first clamping mechanism；
Fig. 4 is the structural representation of supporting mechanism.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
As shown in Figures 1 to 4, preferred embodiment of the present utility model, a kind of section bar stretching-machine, it include the first head 1,
Second head 2, the first guide rail base 3 for being supported in the bottom of the first head 1, it is supported in the second of second head 2 and leads
Base of the rail seat 4 and it is arranged among second guide rail base 4 and for the supporting mechanism 5 of support section bar.Wherein, described
One head 1 includes the first mobile base 11, the first clamping mechanism 12 and drawing mechanism 13, first mobile base 11 with it is described
First guide rail base 3 is slidably matched；Second head 2 includes the second mobile base 21, the second clamping mechanism 22 and locking machine
Structure (does not indicate) that second mobile base 21 is slidably matched with second guide rail base 4 in figure.
In the present embodiment, first clamping mechanism 12 is arranged in first mobile base 11, first clamp
Mechanism 12 is centering type flat board clamp, and for one end of clamping section, it includes the first tong bodies with vice shape opening
121st, oil cylinder 123, first time pincers 124 and first time pincers oil cylinder 125 are clamped on first on pincers 122, first, pincers are oily on described first
The body of cylinder 123 is vertically fixed on the top of the vice shape opening of first tong bodies 121, and oil cylinder is clamped on described first
123 push rod is connected with pincers 122 on described first；The body of first time pincers oil cylinder 125 is vertically fixed on first folder
The bottom of the vice shape opening of body 121 is clamped, the push rod of first time pincers oil cylinder 125 is connected with described first time pincers 124；Institute
State pincers 122 and described first time 124 faces of pincers on first.It can be seen that the first clamping mechanism 12 of the present utility model uses centering type
Flat board clamp, its upper and lower pincers can all be driven by Vertical Cylinders, move vertically to suitable position, it is ensured that when stretching every time, stretching
Power center is all maintained on same straight line with section bar center, reduces section bar waste material, lifts draw efficiency；Plate clamp and type
The contact area of material is big, can clamp section bar well；And the center that rotation torque when turning round is carried in section bar is twisted, ensure to twist to turn round effect
Fruit.
In the present embodiment, the drawing mechanism 13 includes stretching oil cylinder 131 and cylinder bracket 132, the cylinder bracket 132
It is fixed on first guide rail base 3, the body of the stretching oil cylinder 131 is installed in rotation on the cylinder bracket 132
On, fixing axle 111, one end of the fixing axle 111 and first tong bodies are installed with first mobile base 11
121 connections, the other end of the fixing axle 111 are connected by hinge with the push rod of the stretching oil cylinder 131.Thus, institute is passed through
State drawing mechanism 13 and tensile loads are implemented to section bar.
In the present embodiment, second clamping mechanism 22 is arranged in second mobile base 21, second clamp
Mechanism 22 is centering type flat board clamp, and for the other end of clamping section, its structure and the structure of the first clamping mechanism 12 are basic
Identical, it includes second tong bodies with vice shape opening, pincers on second, clamps oil cylinder on second, clamps for second time and the
Two times pincers oil cylinders, clamp on described second oil cylinder body be vertically fixed on second tong bodies vice shape opening it is upper
Portion, clipper joint on the push rod and described second of oil cylinder is clamped on described second；The body of second time pincers oil cylinder is vertically fixed on
The bottom of the vice shape opening of second tong bodies, the push rod of second time pincers oil cylinder and second time clipper joint；
Pincers and described second time pincers face on described second.It can be seen that the second clamping mechanism 22 of the present utility model uses centering type flat board
Clamp, its upper and lower pincers can all be driven by Vertical Cylinders, move vertically to suitable position, it is ensured that when stretching every time, in tensile force
The heart is all maintained on same straight line with section bar center, reduces section bar waste material, lifts draw efficiency；Plate clamp and section bar
Contact area is big, can clamp section bar well；And the center that rotation torque when turning round is carried in section bar is twisted, ensure to twist to turn round effect.
In the present embodiment, the locking mechanism includes locked cylinder, latch and lock hole, and the locked cylinder is fixedly mounted
In second mobile base 21, the lock hole is opened on second guide rail base 4, the push rod of the locked cylinder
It is connected with the latch, and the latch can be driven to insert in the lock hole, thus makes second mobile base 21 and institute
The second guide rail base 4 is stated to be connected and fixed.
More preferably, in the present embodiment, first head 1 also includes Niu Ning mechanisms 14, and the Niu Ning mechanisms 14 include turning round
Motor 141, drive gear 142 and arc-shaped rack 143 are twisted, one end of first tong bodies 121 and the fixing axle 111 turns
Dynamic connection；The arc-shaped rack 143 is installed in first tong bodies 121 and its radius extended line and the fixing axle 111
Central axis intersect；The torsion is twisted motor 141 and is fixedly mounted in the fixing axle 111, its drive shaft and the sliding tooth
The connection of wheel 142, the drive gear 142 engage with the arc-shaped rack 143.Thus, by the Niu Ning mechanisms 14 to section bar
Implement to reverse loading, further correct section bar.
More preferably, in the present embodiment, second head 2 also includes walking mechanism 23, and the walking mechanism 23 includes row
Motor, drive gear and linear gear rack are walked, the linear gear rack is installed on second guide rail base 4, the movable motor
Be fixedly mounted in second mobile base 21, its drive shaft is connected with the drive gear, the drive gear with it is described
Linear gear rack engages.Thus, make the movement of head more stable by the walking mechanism 23.
More preferably, in the present embodiment, first head 1 also includes the first section bar introducing mechanism 15, first section bar
Introducing mechanism 15 is arranged on the front end of the vice shape opening of first tong bodies 121；Second head 2 also includes second
Section bar introducing mechanism 24, before the second section bar introducing mechanism 24 is arranged on the vice shape opening of second tong bodies
End.Thus, by the setting of section bar introducing mechanism, can facilitate in section bar leading-in pliers mouth.
More preferably, in the present embodiment, the supporting mechanism 5 includes drive cylinder 51, connecting rod 52, guiding trestle 53 and extremely
Few one group of support component, support component described in every group include drive cylinder 54, swing arm 55 and support roller 56, the drive cylinder 51
Body be arranged on second guide rail base 4 on, the push rod of the drive cylinder 51 is connected with the connecting rod 52, the connecting rod
52 are slidably matched with the guiding trestle 53, and the body of the drive cylinder 54 is arranged on the connecting rod 52, the swing arm 55
It is rotatably connected on second guide rail base 4, one end of the swing arm 55 and the push rod of the drive cylinder 54 rotate
Connection, the other end of the swing arm 55 are connected with the support roller 56, and the drive cylinder 54 drives institute by the swing arm 55
Support roller 56 is stated to rise or reduce.Thus, between two clamping mechanisms, i.e., liftable support roller is installed among guide rail base
56, the position with lower pincers sustained height is usually raised in low level, stretching, section bar is supported in stretching, avoids section bar from scratching bottom
The belt conveyor in portion, such a structure are especially suitable in large-tonnage stretching-machine.
More preferably, in the present embodiment, between first mobile base 11 and first guide rail base 3, described second
Wearing plate is equipped between mobile base 21 and second guide rail base 4, to prevent main body from damaging.It is specifically, described wear-resisting
Plate is covered in guide rail surface and is bolted, to be convenient for changing.
Above disclosed is only preferred embodiment of the present utility model, certainly can not be new to limit this practicality with this
The interest field of type, therefore the equivalent variations made according to present utility model application the scope of the claims, still belong to the utility model and covered
Scope.
Claims (10)
1. a kind of section bar stretching-machine, it is characterised in that including the first head, the second head, be supported in the first head bottom
The first guide rail base, be supported in the second guide rail base of second head and be arranged in second guide rail base
Between and for support section bar supporting mechanism,
First head includes the first mobile base, the first clamping mechanism and drawing mechanism, first mobile base and institute
The first guide rail base is stated to be slidably matched；First clamping mechanism is arranged in first mobile base, first clamp
Mechanism is centering type flat board clamp, one end for clamping section；The drawing mechanism includes stretching oil cylinder and cylinder bracket, institute
State cylinder bracket to be fixed on first guide rail base, the body of the stretching oil cylinder is installed in rotation on the oil cylinder branch
On frame, fixing axle is installed with first mobile base, one end of the fixing axle is connected with first tong bodies, institute
The other end for stating fixing axle is connected by hinge with the push rod of the stretching oil cylinder；
Second head includes the second mobile base, the second clamping mechanism and locking mechanism, second mobile base and institute
State the second guide rail base to be slidably matched, second clamping mechanism is arranged in second mobile base, second clamp
Mechanism is centering type flat board clamp, the other end for clamping section；The locking mechanism includes locked cylinder, latch and locking
Hole, the locked cylinder are fixedly mounted in second mobile base, and the lock hole is opened in second guide rail base
On, the push rod of the locked cylinder is connected with the latch, and the latch can be driven to insert in the lock hole, makes described the
Two mobile bases are connected and fixed with second guide rail base.
2. section bar stretching-machine according to claim 1, it is characterised in that first clamping mechanism includes having vice shape
First tong bodies of opening, pincers on first, clamp oil cylinder, first time pincers on first and clamp oil cylinder for first time, on described first
The body of pincers oil cylinder is vertically fixed on the top of the vice shape opening of first tong bodies, and pushing away for oil cylinder is clamped on described first
Clipper joint on bar and described first；The body of first time pincers oil cylinder is vertically fixed on the vice shape of first tong bodies
The bottom of opening, the push rod of first time pincers oil cylinder and first time clipper joint；On described first under pincers and described first
Clamp face.
3. section bar stretching-machine according to claim 2, it is characterised in that first head also includes Niu Ning mechanisms, institute
Shu Niuning mechanisms, which include turning round, twists motor, drive gear and arc-shaped rack, one end of first tong bodies and the fixing axle
Rotation connection；The arc-shaped rack is installed in first tong bodies and its radius extended line and the central shaft of the fixing axle
Line intersects；The torsion is twisted motor and is fixedly mounted in the fixing axle, and its drive shaft is connected with the drive gear, the driving
Gear engages with the arc-shaped rack.
4. section bar stretching-machine according to claim 2, it is characterised in that first head also includes the first section bar and imported
Mechanism, the first section bar introducing mechanism are arranged on the front end of the vice shape opening of first tong bodies.
5. section bar stretching-machine according to claim 1, it is characterised in that second clamping mechanism includes having vice shape
Second tong bodies of opening, pincers on second, clamp oil cylinder, second time pincers on second and clamp oil cylinder for second time, on described second
The body of pincers oil cylinder is vertically fixed on the top of the vice shape opening of second tong bodies, and pushing away for oil cylinder is clamped on described second
Clipper joint on bar and described second；The body of second time pincers oil cylinder is vertically fixed on the vice shape of second tong bodies
The bottom of opening, the push rod of second time pincers oil cylinder and second time clipper joint；On described second under pincers and described second
Clamp face.
6. section bar stretching-machine according to claim 5, it is characterised in that second head also includes walking mechanism, institute
Stating walking mechanism includes movable motor, drive gear and linear gear rack, and the linear gear rack is installed in second guide rail base
On, the movable motor is fixedly mounted in second mobile base, and its drive shaft is connected with the drive gear, the drive
Moving gear engages with the linear gear rack.
7. section bar stretching-machine according to claim 5, it is characterised in that second head also includes the second section bar and imported
Mechanism, the second section bar introducing mechanism are arranged on the front end of the vice shape opening of second tong bodies.
8. the section bar stretching-machine according to any one of claim 1 to 7, it is characterised in that the supporting mechanism includes driving
Oil cylinder, connecting rod, guiding trestle and at least one set of support component, support component described in every group include drive cylinder, swing arm and branch
Roller is supportted, the body of the drive cylinder is arranged on second guide rail base, the push rod of the drive cylinder and the connecting rod
Connection, the connecting rod are slidably matched with the guiding trestle, and the body of the drive cylinder is arranged on the connecting rod, the pendulum
Arm is rotatably connected on second guide rail base, and the push rod of one end of the swing arm and the drive cylinder, which rotates, to be connected
Connect, the other end of the swing arm is connected with the support roller, and the drive cylinder drives the support roller liter by the swing arm
Rise or reduce.
9. the section bar stretching-machine according to any one of claim 1 to 7, it is characterised in that first mobile base and institute
State and be provided with wearing plate between the first guide rail base.
10. the section bar stretching-machine according to any one of claim 1 to 7, it is characterised in that second mobile base and institute
State and be provided with wearing plate between the second guide rail base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720280349.4U CN206747305U (en) | 2017-03-22 | 2017-03-22 | A kind of section bar stretching-machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720280349.4U CN206747305U (en) | 2017-03-22 | 2017-03-22 | A kind of section bar stretching-machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206747305U true CN206747305U (en) | 2017-12-15 |
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ID=60611307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720280349.4U Active CN206747305U (en) | 2017-03-22 | 2017-03-22 | A kind of section bar stretching-machine |
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| Country | Link |
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| CN (1) | CN206747305U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108262376A (en) * | 2018-03-26 | 2018-07-10 | 佛山市腾华自动化机械有限公司 | A kind of drawing-in machine |
| CN108655246A (en) * | 2018-05-08 | 2018-10-16 | 秦皇岛速泰科技有限公司 | Stretching device |
| CN110346215A (en) * | 2018-04-08 | 2019-10-18 | 吉林启星铝业有限公司 | A kind of aluminium drill pipe aligning and full-scale load-detecting system |
-
2017
- 2017-03-22 CN CN201720280349.4U patent/CN206747305U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108262376A (en) * | 2018-03-26 | 2018-07-10 | 佛山市腾华自动化机械有限公司 | A kind of drawing-in machine |
| CN110346215A (en) * | 2018-04-08 | 2019-10-18 | 吉林启星铝业有限公司 | A kind of aluminium drill pipe aligning and full-scale load-detecting system |
| CN108655246A (en) * | 2018-05-08 | 2018-10-16 | 秦皇岛速泰科技有限公司 | Stretching device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Tan Lianyuan Inventor after: Chen Bizhi Inventor before: Tan Lianyuan Inventor before: Chen Bizhi Inventor before: Liang Hao |
|
| CB03 | Change of inventor or designer information | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Section bar stretcher Effective date of registration: 20200629 Granted publication date: 20171215 Pledgee: Guangdong Nanhai Rural Commercial Bank branch branch of Limited by Share Ltd. Pledgor: FOSHAN TONGRUN THERMAL ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2020980003515 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CP02 | Change in the address of a patent holder |
Address after: 528100 the third of No.10 (F1) in plot B of central science and Technology Industrial Zone, Leping Town, Sanshui District, Foshan City, Guangdong Province Patentee after: FOSHAN TONGRUN THERMAL ENERGY TECHNOLOGY Co.,Ltd. Address before: 528137 area B, No.1 Lexin Avenue, Leping Town, Sanshui District, Foshan City, Guangdong Province Patentee before: FOSHAN TONGRUN THERMAL ENERGY TECHNOLOGY Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |