CN109483277A - A kind of pressing device of anti-over-voltage - Google Patents
A kind of pressing device of anti-over-voltage Download PDFInfo
- Publication number
- CN109483277A CN109483277A CN201811459163.0A CN201811459163A CN109483277A CN 109483277 A CN109483277 A CN 109483277A CN 201811459163 A CN201811459163 A CN 201811459163A CN 109483277 A CN109483277 A CN 109483277A
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- screw rod
- block
- screw thread
- movable disk
- rotation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
A kind of pressing device of anti-over-voltage, realizes the positioning compression to workpiece well, can be very good the pressing force of control workpiece, avoids the damage to workpiece, and the effect for improving processing efficiency is played to mass production；Its technical solution solved includes sliding block, screw rod is interspersed on sliding block, the inside of screw rod offers mounting hole, sliding slot is offered on the side wall of mounting hole, movable disk is equipped in mounting hole, movable disk is equipped with convex block, mandril is interspersed in blind hole, annular sleeve is installed in the outer rim of screw rod, the inner hole of annular sleeve is equipped with fixture block, the rotation of annular sleeve can drive the rotation of screw rod through fixture block, movable disk, which moves right, to be jacked up fixture block upwards through convex block, the one side of the lateral ends of sliding slot is equipped with groove, the highest point of convex block and the minimum point of groove are concordant, the rotation of annular sleeve can only drive screw rod to one-directionally rotate under the action of groove when convex block jacks up fixture block upwards, screw rod one-directional rotation be moved to the left screw rod can only；Present inventive concept is novel.
Description
Technical field
The present invention relates to machining clamp art, especially a kind of pressing device of anti-over-voltage.
Background technique
In existing equipment, more commonly for bench vice is arranged on the table when workpieces processing, or cylinder is used
Fixture is clamped, and is then processed to workpiece, and when using bench vice, the clamping used time is more, and consolidated using cylinder
Periodically, it needs to continue stabilization of the gas supply to keep cylinder, will cause the waste of resource in this way, and have in workshop using cylinder
Biggish noise, so needing to design a kind of fixture for capableing of the fixed aluminium section of fast and stable.
Further, since the material is soft for some workpiece, when positioning to workpiece, contact of the force surface with workpiece surface is improved
Area, while so that pressure perpendicular is applied to workpiece surface is the compression effect that can effectively guarantee workpiece, in addition, when compressing
When power is larger, certain damage can be caused to the surface of workpiece, therefore designs a kind of easy to adjust, be suitable for various workpieces
Fixture, while the device for the size that can effectively control clamping force again is necessary.
Summary of the invention
For above situation, for the defect for overcoming the prior art, the present invention provides a kind of pressing devices of anti-over-voltage, very
The good positioning compression realized to workpiece can be very good the pressing force of control workpiece, the damage to workpiece be avoided, to large quantities of
The effect for improving processing efficiency is played in amount production.
Its technical solution solved includes horizontal positioned base plate, and it is flat to set that there are two vertical and front and backs above base plate
The guide plate that row is placed, spiral shell can be interspersed on the sliding block that guide plate moves up and down, the left and right end face of sliding block by being equipped between two guide plates
Bar is threadedly coupled between screw rod and sliding block, and the right end of screw rod offers blind hole, and the inside of screw rod, which offers, to be placed on the left of blind hole
And the mounting hole being connected to blind hole, the diameter of mounting hole are greater than blind hole diameter, offer on the side wall of mounting hole axially distributed
And the sliding slot of circumference uniform distribution, mounting hole is interior to be equipped with the movable disk that can horizontally slip in mounting hole, and the outer edge surface of movable disk is equipped with
The convex block being stuck in sliding slot, movable disk is slided in sliding slot so that convex block is horizontally slipped along the chute, and being interspersed in blind hole can be blind
The mandril to horizontally slip in hole connects between the right side of movable disk and the left side of mandril through strut, between strut and mandril
For rotation connection, spring is connected between the left end of movable disk and the bottom wall of mounting hole, movable disk is located under the action of the spring
The mounting hole rightmost side, rotatable annular sleeve is installed in the outer rim of screw rod, and the inner hole of annular sleeve is equipped with circle distribution and can diameter
To flexible fixture block, when original state, the lower end of fixture block is placed in sliding slot, and the rotation of annular sleeve can drive turning for screw rod through fixture block
Dynamic, movable disk, which moves right, to be jacked up fixture block upwards through convex block, and the one side of the lateral ends of sliding slot is equipped with groove, convex block
Highest point it is concordant with the minimum point of groove, the rotation of annular sleeve can only band under the action of groove when convex block jacks up fixture block upwards
Dynamic screw rod one-directional rotation, screw rod one-directional rotation be moved to the left screw rod can only；
The right end of the screw rod is equipped with hemispheric bulb body, and compact heap, compact heap and bulb body set are socketed on bulb body
Place is met as the hemispherical groove with sphere mates, the spherical radius of hemispherical groove is greater than the spherical radius of bulb body, shape
The structure that can be rotated relative to bulb body at compact heap but can not be away from one another.
Present inventive concept is novel, and clever structure realizes the positioning compression to workpiece well, can be very good control work
The pressing force of part avoids the damage to workpiece, and the effect for improving processing efficiency is played to mass production.
Detailed description of the invention
Fig. 1 is main view of the present invention.
Fig. 2 is top view of the present invention.
Fig. 3 is screw rod of the present invention and mandril connection schematic diagram.
Fig. 4 is that movable disk of the present invention jacks up fixture block schematic diagram upwards.
Fig. 5 is screw rod stereoscopic schematic diagram of the present invention.
Fig. 6 is A-A schematic diagram in Fig. 5 of the present invention.
Fig. 7 is movable disk schematic side view of the present invention.
Fig. 8 is partial enlarged view in Fig. 2 of the present invention.
Specific embodiment
Below in conjunction with attached drawing, specific embodiments of the present invention will be described in further detail.
By Fig. 1-8 it is found that the present invention includes horizontal positioned base plate 1, the top of base plate 1 sets that there are two vertical and preceding
The guide plate 2 being placed in parallel afterwards, being equipped between two guide plates 2 can be along the sliding block 3 that guide plate 2 moves up and down, the left and right end face of sliding block 3
It is interspersed with screw rod 4, is threadedly coupled between screw rod 4 and sliding block 3, the right end of screw rod 4 offers blind hole 5, and the inside of screw rod 4 opens up
There is the mounting hole 6 for being placed in 5 left side of blind hole and being connected to blind hole 5, the diameter of mounting hole 6 is greater than 5 diameter of blind hole, the side of mounting hole 6
Axially distributed and circumference uniform distribution sliding slot 7 is offered on wall, is equipped with the activity that can horizontally slip in mounting hole 6 in mounting hole 6
Disk 8, the outer edge surface of movable disk 8 are equipped with the convex block 9 being stuck in sliding slot 7, and movable disk 8 is slided in sliding slot 7 can make convex block 9 along cunning
Slot 7 horizontally slips, and the mandril 10 that can be horizontally slipped in blind hole 5, the right side of movable disk 8 and mandril 10 are interspersed in blind hole 5
Left side between connected through strut, be rotation connection between strut and mandril 10, the bottom of the left end of movable disk 8 and mounting hole 6
Spring 11 is connected between wall, movable disk 8 is located at 6 rightmost side of mounting hole under the action of spring 11, clamps in the outer rim of screw rod 4
There is a rotatable annular sleeve 12, the inner hole of annular sleeve 12 is equipped with the fixture block 13 of circle distribution and expandable, when original state,
The lower end of fixture block 13 is placed in sliding slot 7, and the rotation of annular sleeve 12 can drive the rotation of screw rod 4 through fixture block 13, and movable disk 8 moves right
Dynamic to jack up upwards fixture block 13 through convex block 9, the one side of the lateral ends of sliding slot 7 is equipped with groove 14, the highest point of convex block 9
Concordant with the minimum point of groove 14, the rotation of annular sleeve 12 can only under the action of groove 14 when convex block 9 jacks up fixture block 13 upwards
Screw rod 4 is driven to one-directionally rotate, the one-directional rotation of screw rod 4 be moved to the left screw rod 4 can only；
The right end of the screw rod 4 is equipped with hemispheric bulb body 15, is socketed with compact heap 16 on bulb body 15, compact heap 16 with
15 socket place of bulb body is the hemispherical groove 17 with sphere mates, and the spherical radius of hemispherical groove 17 is greater than bulb body
15 spherical radius forms the structure that compact heap 16 can rotate relative to bulb body 15 but can not be away from one another.
Convex block 9 is preferably set to jack up fixture block 13, the left-hand end of the convex block 9 when being moved to the left for the ease of movable disk 8
Face is equipped with inclined-plane, and the right end face of fixture block 13 is equipped with the inclined-plane matched with convex block 9.
In order to realize the fixation to 3 upper and lower position of sliding block, the rear and front end of institute's sliding block 3 is fitted with pin shaft respectively
18, one end outer edge surface that front and rear pin 18 is placed in 2 outside of guide plate is helicitic texture, and two pin shafts 18 are placed in 2 outside of guide plate
Outer edge surface be equipped with clamp nut 22, led by achievable be pressed on pin shaft 18 of working in coordination of clamp nut 22 and screw thread
The fixation to 3 upper and lower position of sliding block is realized on plate 2.
In order to realize moving up and down for sliding block 3, the through slot of vertical direction is offered on former and later two described guide plates 2 respectively
19, front and rear pin 18 is inserted into respectively in the through slot 19 of its respective side, and sliding block 3 can be led along through slot 19 at two through pin shaft 18
It is slided up and down between plate 2.
In order to preferably realize compact heap 16 to the compression and replacement of aluminum workpiece, the compact heap 16 uses PA system
At the right end of mandril 10 is equipped with connector, and the end of connector is equipped with bulb body 15, the inner opposite end of bulb body 15 on connector
It equipped with clamping screw thread 20, is clamped between screw thread 20 and the screw thread of screw rod 4 and is equipped with annular empty slot, compact heap 16 is equipped with and clamping spiral shell
The internal screw thread that line 20 matches, compact heap 16 can be connect through internal screw thread with clamping screw thread 20, and it is empty that the length of internal screw thread is less than annular
The width of slot, when bulb body 15 is placed in inside of spherical groove, internal screw thread and the disengaging of clamping screw thread 20 and internal screw thread are placed in annular empty slot
It is interior, realize the structure that compact heap 16 can rotate relative to bulb body 15 but can not be away from one another.
For the ease of the integrally-regulated of fixture and with the connection of lathe, the lower section of the base plate 1 is equipped with pedestal, bottom
T-slot of the seat through platen is fixedly connected with workbench, and base plate 1 is connect through bolt with pedestal, and base plate 1 can be in pedestal
On move left and right.
For the ease of screwing screw rod 4, the outer rim of the annular sleeve 12 is equipped with the handle 21 of circumference uniform distribution.
The present invention is when specifically used, and when needing workpieces processing, since the material is soft for some workpiece, this is resulted in
Pressing force cannot be excessive when workpiece positioning compression, but in order to guarantee to compress, pressing force again cannot be too small, is using through the invention
When, since compact heap 16 is made of PA nylon material, can have one by the way that compact heap 16 to be pressed in the positioning end face of workpiece
Fixed energy-dissipating and shock-absorbing effect, and nylon material is softer, can be very good to protect the seal face of workpiece not weighed wounded, concrete operations are such as
Under: the upper and lower position of sliding block 3 is pressed on guide plate 2 by clamp nut 22 first, by between clamp nut 22 and guide plate 2
Frictional force effect realize fixing up and down to 3 position of sliding block, when original state, the lower end of fixture block 13 is placed in 7 lower part of sliding slot
Straight trough position, at this time by the handle 21 in rotation annular sleeve 12, the rotation of annular sleeve 12 can matching by fixture block 13 and sliding slot 7
Closing (cooperation for being equivalent to key-keyway) drives screw rod 4 to rotate, and the rotation of screw rod 4 will drive movable disk 8 and rotate together, while spiral shell
The rotation of bar 4 drives mandril 10 to move right together, when the workpiece that the right end face and needs of the compact heap 16 that moves right compress
When end face is in contact, at this time under the action of workpiece, mandril 10 can not continue to move right, and continuing to rotate handle 21 at this time makes spiral shell
Bar 4 continues to move right, and mandril 10 can be moved to the left in blind hole 5, and movable disk 8 is pushed to be moved to the left in mounting hole 6, living
During Moving plate 8 is moved to the left, fixture block 13 can be pushed to move up through convex block 9, so that fixture block 13 is detached from 7 straight trough position of sliding slot mobile
To 14 position of groove, at this time since fixture block 13 is placed in 14 position of upper end groove of sliding slot 7, the rotation of annular sleeve 12 is through fixture block 13
Screw rod 4 can be driven to one-directionally rotate, namely screw rod 4 can only be driven to be moved to the left, screw rod 4 can not continue to move right at this time, can not
Continue to compress workpiece, can effectively control compact heap 16 to the pressing force on workpiece surface, avoid pressing force mistake
Workpiece is damaged greatly and positions the problems such as not firm caused by pressing force is too small；Additionally due to compact heap 16 is socketed in spiral shell
The end of bar 4, and be the cooperation of bulb body 15 and spherical groove between the end of screw rod 4 and compact heap 16, to compact heap 16
It carries out in application press process, by the cooperation of bulb body 15 and arc groove, due to the moving direction and workpiece surface of screw rod 4
Not necessarily in completely vertical state, compact heap 16 can have certain rotation in workpiece surface, and bulb body 15 passes through spherical female
During slot exerts a force to compact heap 16, compact heap 16 and workpiece surface can be in fit-state always, realize well
To the compression effect of workpiece.
Further, since in actual use, as the long-time of fixture uses, compact heap 16 is due to using PA system
At will cause abrasion and hardening phenomenon after long-time use, at this time due to internal screw thread on clamping screw thread 20 and compact heap 16
In the presence of can very easily replace compact heap 16, specifically in replacement, the thread form of screw thread 20 and internal screw thread will be clamped
Relatively, it screws out, it is easy to operate, it is practical, while the compression of unlike material can also be used for different workpiece
Block 16 carries out positioning compression operation.
After work pieces process, when needing to unclamp fixture, annular sleeve 12 can be rotated at this time, since annular sleeve 12 can only
It drives screw rod 4 to one-directionally rotate, screw rod 4 can only be made to be moved to the left, screw rod 4 can be moved to the left at this time, and movable disk 8 can be in spring 11
The lower opposite screw rod 4 of effect moves right and is finally detached from convex block 9 and fixture block 13, and fixture block 13 can be moved downward to initial position, complete
It is recycled at one action.
The present invention is realized well by devising the interaction structure of screw rod 4, mandril 10 when compressing to workpiece
The pressing force to workpiece surface can be effectively controlled, the consistency with a collection of part pressing force is effectively guaranteed, has simultaneously
Damage of the reduction of effect to softer material part surface, while can effectively guarantee the demand of pressing force.
Present inventive concept is novel, and clever structure realizes the positioning compression to workpiece well, can be very good control work
The pressing force of part avoids the damage to workpiece, and the effect for improving processing efficiency is played to mass production.
Claims (7)
1. a kind of pressing device of anti-over-voltage, which is characterized in that including horizontal positioned base plate (1), the top of base plate (1)
It can be moved up and down along guide plate (2) if being equipped with there are two the guide plate (2) that vertical and front and back is placed in parallel, between two guide plates (2)
Sliding block (3) is interspersed with screw rod (4) on the left and right end face of sliding block (3), is threadedly coupled between screw rod (4) and sliding block (3), screw rod
(4) right end offers blind hole (5), and the inside of screw rod (4) offers the peace for being placed in and being connected on the left of blind hole (5) and with blind hole (5)
It fills hole (6), the diameter of mounting hole (6) is greater than blind hole (5) diameter, and axially distributed and circle is offered on the side wall of mounting hole (6)
The sliding slot (7) of Zhou Junbu, interior be equipped with of mounting hole (6) can horizontally slip movable disk (8) in mounting hole (6), outside movable disk (8)
Edge face is equipped with the convex block (9) being stuck in sliding slot (7), and movable disk (8) sliding in sliding slot (7) can make convex block (9) (7) along the chute
It horizontally slips, the mandril (10) that can be horizontally slipped in blind hole (5), the right side and top of movable disk (8) is interspersed in blind hole (5)
It is connected between the left side of bar (10) through strut, is rotation connection, the left end of movable disk (8) and peace between strut and mandril (10)
It fills and is connected with spring (11) between the bottom wall of hole (6), it is most right that movable disk (8) is located at mounting hole (6) under the action of spring (11)
Side is installed with rotatable annular sleeve (12) in the outer rim of screw rod (4), and the inner hole of annular sleeve (12) is equipped with circle distribution and can diameter
To flexible fixture block (13), when original state, the lower end of fixture block (13) is placed in sliding slot (7), and the rotation of annular sleeve (12) can be through
Fixture block (13) drives the rotation of screw rod (4), and movable disk (8), which moves right, to be jacked up fixture block (13) upwards through convex block (9), sliding slot
(7) one side of lateral ends is equipped with groove (14), and the highest point of convex block (9) is concordant with the minimum point of groove (14), convex
The rotation of annular sleeve (12) can only drive screw rod (4) unidirectional under the action of groove (14) when block (9) jacks up fixture block (13) upwards
Rotation, screw rod (4) one-directional rotation be moved to the left screw rod (4) can only；
The right end of the screw rod (4) is equipped with hemispheric bulb body (15), is socketed with compact heap (16) on bulb body (15), presses
Tight block (16) and bulb body (15) socket place are the hemispherical groove (17) with sphere mates, the ball of hemispherical groove (17)
Shape radius is greater than the spherical radius of bulb body (15), and forming compact heap (16) can rotate but can not take off mutually relative to bulb body (15)
From structure.
2. a kind of pressing device of anti-over-voltage according to claim 1, which is characterized in that the left side of the convex block (9)
End face is equipped with inclined-plane, and the right end face of fixture block (13) is equipped with the inclined-plane matched with convex block (9).
3. a kind of pressing device of anti-over-voltage according to claim 1, which is characterized in that before institute's sliding block (3)
Both ends are fitted with pin shaft (18) respectively afterwards, and it is screw thread knot that front and rear pin (18), which is placed in one end outer edge surface on the outside of guide plate (2),
Structure, two pin shafts (18) are placed in the outer edge surface on the outside of guide plate (2) equipped with clamp nut (22), pass through clamp nut (22) and spiral shell
Working in coordination for line can be achieved for pin shaft (18) to be pressed on the fixation realized on guide plate (2) to sliding block (3) upper and lower position.
4. a kind of pressing device of anti-over-voltage according to claim 1, which is characterized in that former and later two described guide plates
(2) through slot (19) of vertical direction is offered on respectively, front and rear pin (18) is inserted into the through slot of its respective side respectively
(19) in, sliding block (3) can be slided up and down between two guide plates (2) through pin shaft (18) along through slot (19).
5. a kind of pressing device of anti-over-voltage according to claim 1, which is characterized in that the compact heap (16) uses
PA is made, and the right end of mandril (10) is equipped with connector, and the end of connector is equipped with bulb body (15), bulb body (15) on connector
Inner opposite end be equipped with clamping screw thread (20), clamping screw thread (20) and the screw thread of screw rod (4) between be equipped with annular empty slot, compact heap
(16) it is equipped with the internal screw thread matched with clamping screw thread (20), compact heap (16) can connect through internal screw thread and clamping screw thread (20)
It connecing, the length of internal screw thread is less than the width of annular empty slot, when bulb body (15) is placed in inside of spherical groove, internal screw thread and clamping screw thread
(20) it is detached from and internal screw thread is placed in annular empty slot, realize that compact heap (16) can rotate but can not take off mutually relative to bulb body (15)
From structure.
6. a kind of pressing device of anti-over-voltage according to claim 1, which is characterized in that under the base plate (1)
Side is equipped with pedestal, and pedestal is fixedly connected through the T-slot of platen with workbench, and base plate (1) is connect through bolt with pedestal,
Base plate (1) can move left and right on pedestal.
7. a kind of pressing device of anti-over-voltage according to claim 1, which is characterized in that outside the annular sleeve (12)
Edge is equipped with the handle (21) of circumference uniform distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811459163.0A CN109483277B (en) | 2018-11-30 | 2018-11-30 | A kind of pressing device of anti-over-voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811459163.0A CN109483277B (en) | 2018-11-30 | 2018-11-30 | A kind of pressing device of anti-over-voltage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109483277A true CN109483277A (en) | 2019-03-19 |
| CN109483277B CN109483277B (en) | 2019-12-03 |
Family
ID=65698998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811459163.0A Expired - Fee Related CN109483277B (en) | 2018-11-30 | 2018-11-30 | A kind of pressing device of anti-over-voltage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109483277B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111659812A (en) * | 2020-05-20 | 2020-09-15 | 胡年香 | Automatic feeding and discharging device of pipe expander |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2051146U (en) * | 1989-07-08 | 1990-01-17 | 常州柴油机厂寨桥分厂 | Double-way overload dutch type quick clamping bench vice |
| CN2062672U (en) * | 1990-03-12 | 1990-09-26 | 大连人民机器厂 | Fast opening and closing bench vice clamp workpiece within whole running distance |
| EP1529594A1 (en) * | 2003-11-06 | 2005-05-11 | Erowa AG | Clamping device with at least three centering lugs on a first coupling member and corresponding grooves on a second coupling member |
| CN201023217Y (en) * | 2007-03-20 | 2008-02-20 | 陕西科技大学 | Manual hydraulic reinforcing vice |
| CN104043978A (en) * | 2013-12-13 | 2014-09-17 | 芜湖市天雄新材料科技有限公司 | Overload protection clamp |
-
2018
- 2018-11-30 CN CN201811459163.0A patent/CN109483277B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2051146U (en) * | 1989-07-08 | 1990-01-17 | 常州柴油机厂寨桥分厂 | Double-way overload dutch type quick clamping bench vice |
| CN2062672U (en) * | 1990-03-12 | 1990-09-26 | 大连人民机器厂 | Fast opening and closing bench vice clamp workpiece within whole running distance |
| EP1529594A1 (en) * | 2003-11-06 | 2005-05-11 | Erowa AG | Clamping device with at least three centering lugs on a first coupling member and corresponding grooves on a second coupling member |
| CN201023217Y (en) * | 2007-03-20 | 2008-02-20 | 陕西科技大学 | Manual hydraulic reinforcing vice |
| CN104043978A (en) * | 2013-12-13 | 2014-09-17 | 芜湖市天雄新材料科技有限公司 | Overload protection clamp |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111659812A (en) * | 2020-05-20 | 2020-09-15 | 胡年香 | Automatic feeding and discharging device of pipe expander |
| CN111659812B (en) * | 2020-05-20 | 2021-12-21 | 山东齐科源新材料科技有限公司 | Automatic feeding and discharging device of pipe expander |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109483277B (en) | 2019-12-03 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20191108 Address after: 224043 No. 1 Yuanwei Road, Shoe Machinery Equipment, Dagang Town, Yancheng City, Jiangsu Province Applicant after: Jiangsu Yuanhua Light Chemical equipment Co., Ltd. Address before: 450000 Southwest Side of the Intersection of 310 National Road and Miaowang Highway in Xingyang City, Zhengzhou City, Henan Province Applicant before: Zhengzhou Hengrui Precision Machinery Technology Co., Ltd. |
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Granted publication date: 20191203 Termination date: 20201130 |