CN201685476U - Height adjusting device for stamping plate - Google Patents
Height adjusting device for stamping plate Download PDFInfo
- Publication number
- CN201685476U CN201685476U CN2010201858619U CN201020185861U CN201685476U CN 201685476 U CN201685476 U CN 201685476U CN 2010201858619 U CN2010201858619 U CN 2010201858619U CN 201020185861 U CN201020185861 U CN 201020185861U CN 201685476 U CN201685476 U CN 201685476U
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- tiltedly
- rotation lock
- circle
- outer circle
- driving mechanism
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Abstract
The utility model relates to a height adjusting device for a stamping plate of such equipment as a powder forming machine, a powder reshaping machine and the like. The height adjusting device comprises a bottom plate and the stamping plate coaxially arranged on the bottom plate, a fixed oblique ring is arranged on the bottom plate, at least one lower spiral oblique plane extending along the circumferential direction is formed on the upper end face of the fixed oblique ring, at least one upper spiral oblique plane extending along the circumferential direction is formed on the lower end face of an adjusting oblique ring between the fixed oblique ring and the lower end of the stamping plate, the upper spiral oblique plane is matched with the lower spiral oblique plane, a rotating and locking driven mechanism is arranged on the outer circumferential wall of the adjusting oblique ring, a rotating and locking driving mechanism is arranged on the bottom plate, and the rotating and locking driven mechanism is matched with the rotating and locking driving mechanism. The height adjusting device has the characteristics of reasonable structure, convenient operation, reliable positioning, good maintaining property of adjusting precision, small volume, small occupied area, uniform force bearing, stable adjusting and the like.
Description
Technical field
The utility model relates to the punch plate height adjusting device of equipment such as a kind of powder forming machine, powder trimmer.
Background technology
In the prior art, powder forming machine, the stamping Board position height of equipment such as powder trimmer is regulated many by fixed head being set between stamping plate and base plate and adjusting plate, and the inclined-plane that setting cooperatively interacts between fixed head and adjustment plate is to adjust the height of stamping plate, this kind stamping plate is adjusted mode, and there are the following problems: one, when being adjusted, the height of stamping plate will cause stamping plate generation translation, thereby behind the height and position of adjusting the stamping plate, also need again the horizontal level of stamping plate to be adjusted, cause the comparatively inconvenience of adjustment operation of stamping plate, also caused taking up room of punch plate height adjusting device bigger; Its two because fixed head and adjust two inclined-planes that plate cooperatively interacts and have a relative sliding force all the time, thereby caused stamping plate adjustment less stable highly, stressed also inhomogeneous; Its three, the precision that punch plate height is adjusted is unreliable, precision stability is relatively poor.
Summary of the invention
The utility model has solved the following problem of existing in prior technology: one, when being adjusted, the height of stamping plate will cause stamping plate generation translation, thereby behind the height and position of adjusting the stamping plate, also need again the horizontal level of stamping plate to be adjusted, cause the comparatively inconvenience of adjustment operation of stamping plate, also caused taking up room of punch plate height adjusting device bigger; Its two because fixed head and adjust two inclined-planes that plate cooperatively interacts and have a relative sliding force all the time, thereby caused stamping plate adjustment less stable highly, stressed also inhomogeneous; Its three, the precision that punch plate height is adjusted is unreliable, precision stability is relatively poor.It is a kind of rational in infrastructure, easy to operate that the utility model provides, and the location is reliable, and it is better to adjust precision stability, and own vol is little, and it is also less to take up room, stressed even, adjusts punch plate height adjusting device stably.
Above-mentioned technical purpose of the present utility model solves by the following technical programs: it comprises base plate and the coaxial stamping plate that is arranged on the base plate, fixing tiltedly circle is installed on the base plate, the described fixing tiltedly upper surface of circle is formed with the following screw inclined plane that at least one along the circumferential direction extends, the adjustment of being located between fixing tiltedly circle and the stamping plate lower end tiltedly forms the last screw inclined plane that at least one along the circumferential direction extends in the lower surface of circle, the described screw inclined plane of going up matches with following screw inclined plane, the described adjustment tiltedly outer circle wall of circle is provided with the rotation lock follower, described base plate is provided with the rotation lock driving mechanism, and described rotation lock follower cooperates with the rotation lock driving mechanism.When the utility model is adjusted, cooperate with the rotation lock follower by the rotation lock driving mechanism and will adjust tiltedly that circle rotates, adjustment is tiltedly enclosed by last screw inclined plane and fixing relative slip of following screw inclined plane of tiltedly enclosing, adjust the position height that the position height of tiltedly enclosing changes and then adjusts the stamping plate thereby make, when the position height of stamping plate is adjusted to correct position, cooperate with the rotation lock follower by the rotation lock driving mechanism again and will adjust tiltedly circle locking, thereby the position height of stamping plate is locked; Because the utility model adopts rotating mode that the stamping plate is carried out Height Adjustment, thereby make own vol of the present utility model less, and reduce of the present utility model taking up room, in addition, adjust tiltedly circle and fixing tiltedly evenly stressed between the circle, also can make the adjustment of stamping plate more steady, and easy to operate.
As preferably, described rotation lock follower is to be formed on to adjust worm gear arrangement or the gear structure that tiltedly encloses on the outer circle wall, described rotation lock driving mechanism be swivel bearing on base plate and the worm screw that cooperates with worm gear arrangement or gear structure, worm screw has self-lock force.Wherein, by rotary worm and adjust worm gear arrangement on the oblique circle outer circle wall or gear structure cooperates to make and adjusts tiltedly circle with respect to the rotation of fixing tiltedly circle, adjustment is tiltedly enclosed by last screw inclined plane and fixing relative slip of following screw inclined plane of tiltedly enclosing, adjust the position height that the position height of tiltedly enclosing changes and then adjusts the stamping plate thereby make, when the position height of stamping plate is adjusted to correct position, worm screw stops operating under the effect of self-lock force, can be with the locking position of stamping plate.
As preferably, described rotation lock follower is to be formed on to adjust several pin-and-holes that tiltedly enclose on the outer circle wall, described rotation lock driving mechanism comprises a locking pin, described locking pin is slidingly arranged on the support, is arranged with the movement tendency that spring has the locking pin front end to protrude from support and cooperates with pin-and-hole on adjusting oblique circle outer circle wall on the locking pin.When needs are adjusted the position height of stamping plate, the operation locking pin is deviate from the end of locking pin in pin-and-hole, act on to rotate in the pin-and-hole by spanner again and adjust tiltedly circle, adjustment is tiltedly enclosed by last screw inclined plane and fixing relative slip of following screw inclined plane of tiltedly enclosing, adjust the position height that the position height of tiltedly enclosing changes and then adjusts the stamping plate thereby make, when the position height of stamping plate is adjusted to correct position, stop to adjust the rotation of oblique circle, the end of locking pin is entered into can be with the locking position of stamping plate in the pin-and-hole.
As preferably, described rotation lock follower comprises being formed on to adjust the gear ring structure on the oblique circle outer circle wall and be formed on adjusts several pin-and-holes that tiltedly enclose on the outer circle wall, described rotation lock driving mechanism comprises a locking shift fork, described locking shift fork is slidingly arranged on the support, locking shift fork front end acts on to be adjusted on the gear ring structure that tiltedly encloses on the outer circle wall, and the locking shift fork has the movement tendency that protrudes from support and contact with gear ring structure.When needs are adjusted the position height of stamping plate, shift fork is locked in operation makes the end disengaging of locking shift fork adjust the gear ring structure that tiltedly encloses on the outer circle wall, act on to rotate in the pin-and-hole by spanner again and adjust tiltedly circle, adjustment is tiltedly enclosed by last screw inclined plane and fixing relative slip of following screw inclined plane of tiltedly enclosing, adjust the position height that the position height of tiltedly enclosing changes and then adjusts the stamping plate thereby make, when the position height of stamping plate is adjusted to correct position, stop to adjust the rotation of oblique circle, the end of locking shift fork is acted on can be with the locking position of stamping plate on the oblique gear ring structure that encloses on the outer circle wall of adjustment.
As preferably, described rotation lock follower is to be formed on to adjust the driven sprocket structure of tiltedly enclosing on the outer circle wall, described rotation lock driving mechanism comprises chain and by the drive sprocket of drive mechanism, described drive sprocket swivel bearing is on base plate, and described chain is at drive sprocket and adjust transmission between the driven sprocket structure on the outer circle wall of oblique circle.When needs are adjusted the position height of stamping plate, by the drive mechanism drive sprocket, oblique circle rotation is adjusted in the driven sprocket respective outer side edges drive that drive sprocket tiltedly encloses on the outer circle wall by chain and adjustment, adjustment is tiltedly enclosed by last screw inclined plane and fixing relative slip of following screw inclined plane of tiltedly enclosing, adjust the position height that the position height of tiltedly enclosing changes and then adjusts the stamping plate thereby make, when the position height of stamping plate is adjusted to correct position, stop to adjust the rotation of oblique circle, can be with drive sprocket locking with the height and position locking of stamping plate.
As preferably, described rotation lock follower is to be formed on to adjust the driven synchronous pulley structure of tiltedly enclosing on the outer circle wall, described rotation lock driving mechanism comprises synchronous band and by the active synchronization belt wheel of drive mechanism, described active synchronization belt wheel swivel bearing is on base plate, and described synchronous band is at the active synchronization belt wheel and adjust transmission between the driven synchronous pulley structure on the outer circle wall of oblique circle.When needs are adjusted the position height of stamping plate, by drive mechanism active synchronization belt wheel, the driven synchronous pulley respective outer side edges that the active synchronization belt wheel tiltedly encloses on the outer circle wall by synchronous band and adjustment drives the oblique circle rotation of adjustment, adjustment is tiltedly enclosed by last screw inclined plane and fixing relative slip of following screw inclined plane of tiltedly enclosing, adjust the position height that the position height of tiltedly enclosing changes and then adjusts the stamping plate thereby make, when the position height of stamping plate is adjusted to correct position, stop to adjust the rotation of oblique circle, can be with the locking of active synchronization belt wheel with the height and position locking of stamping plate.
As preferably, the described quantity of screw inclined plane down and the quantity of last screw inclined plane are three.Wherein, adopt three following screw inclined planes and three to go up screw inclined planes respectively and can make structure of the present utility model comparatively simple on the one hand, the location that can guarantee to adjust oblique circle on the other hand again is comparatively reliable.
Therefore, the utlity model has rational in infrastructurely, easy to operate, the location is reliable, and it is better to adjust precision stability, and own vol is little, and it is less to take up room, stressed evenly, adjust characteristics such as steady.
Description of drawings
Fig. 1 is a kind of sectional structure schematic diagram of the utility model embodiment 1;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the fixing tiltedly a kind of perspective view of circle of the utility model;
Fig. 4 is tiltedly a kind of perspective view of circle of the utility model adjustment;
Fig. 5 is a kind of sectional structure schematic diagram of the utility model embodiment 2;
Fig. 6 is the vertical view of Fig. 5;
Fig. 7 is a kind of sectional structure schematic diagram of the utility model embodiment 3;
Fig. 8 is the vertical view of Fig. 7;
Fig. 9 is the another kind of tiltedly perspective view of circle of adjusting of the utility model;
Figure 10 is a kind of sectional structure schematic diagram of the utility model embodiment 4;
Figure 11 is the vertical view of Figure 10.
The specific embodiment
Below by specific embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: as depicted in figs. 1 and 2, punch plate height adjusting device comprises base plate 1 and the coaxial stamping plate 2 that is arranged on the base plate 1, fixing tiltedly circle 3 is installed on the base plate 1, as shown in Figure 3, the fixing tiltedly upper surface of circle 3 is formed with three along the circumferential direction equally distributed screw inclined planes 4 down, as depicted in figs. 1 and 2, adjusting oblique circle 6 is located between the lower end of fixing tiltedly circle 3 and stamping plate 2.As shown in Figure 4, adjusting tiltedly, the lower surface of circle forms three along the circumferential direction equally distributed screw inclined planes 7 of going up, last screw inclined plane 7 matches with following screw inclined plane 4, adjusting tiltedly, the outer circle wall of circle 6 is provided with the rotation lock follower, the rotation lock follower is to be formed on to adjust worm gear arrangement or the gear structure 9 that tiltedly encloses on 6 outer circle walls, base plate 1 is provided with the rotation lock driving mechanism, the rotation lock follower cooperates with the rotation lock driving mechanism, the rotation lock driving mechanism is that swivel bearing is on base plate 1 and the worm screw 10 that cooperates with worm gear arrangement or gear structure 9, worm screw 10 is installed on the base plate 1 by support 11, and worm screw 10 has prevention, and it rotates self-lock force.
During adjustment, by rotary worm and adjust worm gear arrangement on the oblique circle outer circle wall or gear structure 9 cooperates to make and adjusts tiltedly circle with respect to the rotation of fixing tiltedly circle, adjustment is tiltedly enclosed by last screw inclined plane and fixing relative slip of following screw inclined plane of tiltedly enclosing, adjust the position height that the position height of tiltedly enclosing changes and then adjusts the stamping plate thereby make, when the position height of stamping plate is adjusted to correct position, worm screw stops operating under the effect of self-lock force, can be with the height and position locking of stamping plate.
Embodiment 2: as shown in Figure 5 and Figure 6, punch plate height adjusting device comprises base plate 1 and the coaxial stamping plate 2 that is arranged on the base plate 1, fixing tiltedly circle 3 is installed on the base plate 1, as shown in Figure 3, the fixing tiltedly upper surface of circle 3 is formed with three along the circumferential direction equally distributed screw inclined planes 4 down, as shown in Figure 5 and Figure 6, adjusting oblique circle 6 is located between the lower end of fixing tiltedly circle 3 and stamping plate 2.As shown in Figure 9, adjusting tiltedly, the lower surface of circle forms three along the circumferential direction equally distributed screw inclined planes 7 of going up, last screw inclined plane 7 matches with following screw inclined plane 4, adjusting tiltedly, the outer circle wall of circle 6 is provided with the rotation lock follower, the rotation lock follower is to be formed on to adjust a plurality of equally distributed pin-and-hole 12 that tiltedly encloses on the outer circle wall, base plate 1 is provided with the rotation lock driving mechanism, the rotation lock follower cooperates with the rotation lock driving mechanism, the rotation lock driving mechanism comprises a locking pin 13, locking pin 13 is slidingly arranged on the support 11, locking pin 13 is arranged with spring 14, before the locking pin 13, the rear end protrudes from support 11 respectively, has the movement tendency that protrudes from support and cooperate with pin-and-hole 12 on adjusting oblique circle outer circle wall at the front end of locking pin 13 under the effect of spring 14.
When needs are adjusted the position height of stamping plate, the operation locking pin is deviate from the end of locking pin in pin-and-hole, act on to rotate in the pin-and-hole by spanner again and adjust tiltedly circle, adjustment is tiltedly enclosed by last screw inclined plane and fixing relative slip of following screw inclined plane of tiltedly enclosing, adjust the position height that the position height of tiltedly enclosing changes and then adjusts the stamping plate thereby make, when the position height of stamping plate is adjusted to correct position, stop to adjust the rotation of oblique circle, make the end of locking pin enter in the pin-and-hole and the height and position of stamping plate can be locked again.
Embodiment 3: as shown in Figure 7 and Figure 8, punch plate height adjusting device comprises base plate 1 and the coaxial stamping plate 2 that is arranged on the base plate 1, fixing tiltedly circle 3 is installed on the base plate 1, and as shown in Figure 3, the fixing tiltedly upper surface of circle 3 is formed with three along the circumferential direction equally distributed screw inclined planes 4 down.As shown in Figure 7 and Figure 8, adjusting oblique circle 6 is located between the lower end of fixing tiltedly circle 3 and stamping plate 2, adjusting tiltedly, the lower surface of circle forms three along the circumferential direction equally distributed screw inclined planes of going up, last screw inclined plane matches with following screw inclined plane 4, adjusting tiltedly, the outer circle wall of circle 6 is provided with the rotation lock follower, the rotation lock follower comprises being formed on to adjust the gear ring structure 15 on the oblique circle outer circle wall and be formed on adjusts a plurality of pin-and-holes 12 that tiltedly enclose on the outer circle wall, base plate 1 is provided with the rotation lock driving mechanism, the rotation lock follower cooperates with the rotation lock driving mechanism, the rotation lock driving mechanism comprises a locking shift fork 16, locking shift fork 16 is slidingly arranged on the support 11, be arranged with spring 14 on the locking shift fork 11, before the locking shift fork 16, the rear end protrudes from support 11 respectively, locking shift fork 16 front ends act on to be adjusted on the gear ring structure 15 that tiltedly encloses on the outer circle wall, under the effect of spring 14, locking shift fork 16 has the movement tendency that protrudes from support 11 and contact with gear ring structure 15.
When needs are adjusted the position height of stamping plate, shift fork is locked in operation makes the end disengaging of locking shift fork adjust the gear ring structure that tiltedly encloses on the outer circle wall, act on to rotate in the pin-and-hole by spanner again and adjust tiltedly circle, adjustment is tiltedly enclosed by last screw inclined plane and fixing relative slip of following screw inclined plane of tiltedly enclosing, adjust the position height that the position height of tiltedly enclosing changes and then adjusts the stamping plate thereby make, when the position height of stamping plate is adjusted to correct position, stop to adjust the rotation of oblique circle, make the end of locking shift fork act on the gear ring structure of adjusting on the oblique circle outer circle wall and the height and position of stamping plate can be locked again.
Embodiment 4: as shown in Figure 10 and Figure 11, punch plate height adjusting device comprises base plate 1 and the coaxial stamping plate 2 that is arranged on the base plate 1, fixing tiltedly circle 3 is installed on the base plate 1, and as shown in Figure 3, the fixing tiltedly upper surface of circle 3 is formed with three along the circumferential direction equally distributed screw inclined planes 4 down.As shown in Figure 10 and Figure 11, adjusting oblique circle 6 is located between the lower end of fixing tiltedly circle 3 and stamping plate 2, adjusting tiltedly, the lower surface of circle forms three along the circumferential direction equally distributed screw inclined planes of going up, last screw inclined plane matches with following screw inclined plane 4, adjusting tiltedly, the outer circle wall of circle 6 is provided with the rotation lock follower, the rotation lock follower is to be formed on to adjust the driven sprocket structure 17(or the driven synchronous pulley structure of tiltedly enclosing on 6 outer circle walls), the rotation lock driving mechanism comprises chain 18(or synchronous band) and by the drive sprocket 19(or the active synchronization belt wheel of drive mechanism), drive sprocket 19(or active synchronization belt wheel) swivel bearing on base plate 1, chain 18(or synchronous band) at drive sprocket 19(or active synchronization belt wheel) with adjust the driven sprocket structure 17(or the driven synchronous pulley structure of tiltedly enclosing on 6 the outer circle wall) between transmission.
When needs are adjusted the position height of stamping plate, by drive mechanism drive sprocket (active synchronization belt wheel), drive sprocket (or active synchronization belt wheel) passes through chain (or synchronous band) and cooperates drive to adjust oblique circle rotation with the driven sprocket structure (or driven synchronous pulley structure) that adjustment is tiltedly enclosed on the outer circle wall, adjustment is tiltedly enclosed by last screw inclined plane and fixing relative slip of following screw inclined plane of tiltedly enclosing, adjust the position height that the position height of tiltedly enclosing changes and then adjusts the stamping plate thereby make, when the position height of stamping plate is adjusted to correct position, stop to adjust the rotation of oblique circle, can be with drive sprocket (or active synchronization belt wheel) locking with the height and position locking of stamping plate.
Claims (7)
1. punch plate height adjusting device, comprise base plate and the coaxial stamping plate that is arranged on the base plate, fixing tiltedly circle is installed on the base plate, the described fixing tiltedly upper surface of circle is formed with the following screw inclined plane that at least one along the circumferential direction extends, the adjustment of being located between fixing tiltedly circle and the stamping plate lower end tiltedly forms the last screw inclined plane that at least one along the circumferential direction extends in the lower surface of circle, the described screw inclined plane of going up matches with following screw inclined plane, the described adjustment tiltedly outer circle wall of circle is provided with the rotation lock follower, described base plate is provided with the rotation lock driving mechanism, and described rotation lock follower cooperates with the rotation lock driving mechanism.
2. punch plate height adjusting device according to claim 1, it is characterized in that described rotation lock follower is to be formed on worm gear arrangement or the gear structure of adjusting on the oblique circle outer circle wall, described rotation lock driving mechanism is that swivel bearing is on base plate and the worm screw that cooperates with worm gear arrangement or gear structure.
3. punch plate height adjusting device according to claim 1, it is characterized in that described rotation lock follower is to be arranged on to adjust several pin-and-holes that tiltedly enclose on the outer circle wall, described rotation lock driving mechanism comprises a locking pin, described locking pin is slidingly arranged on the support, and the locking pin front end has the movement tendency that protrudes from support and cooperate with the oblique pin-and-hole that encloses on the outer circle wall of adjustment.
4. punch plate height adjusting device according to claim 1, it is characterized in that described rotation lock follower comprises that being formed on the gear ring structure of adjusting on the oblique circle outer circle wall adjusts several pin-and-holes that tiltedly enclose on the outer circle wall with being arranged on, described rotation lock driving mechanism comprises a locking shift fork, described locking shift fork is slidingly arranged on the support, locking shift fork front end acts on to be adjusted on the gear ring structure that tiltedly encloses on the outer circle wall, and the locking shift fork has the movement tendency that protrudes from support and contact with gear ring structure.
5. punch plate height adjusting device according to claim 1, it is characterized in that described rotation lock follower is to be formed on to adjust the driven sprocket structure of tiltedly enclosing on the outer circle wall, described rotation lock driving mechanism comprises chain and by the drive sprocket of drive mechanism, described drive sprocket swivel bearing is on base plate, and described chain is at drive sprocket and adjust transmission between the driven sprocket structure on the outer circle wall of oblique circle.
6. punch plate height adjusting device according to claim 1, it is characterized in that described rotation lock follower is to be formed on to adjust the driven synchronous pulley structure of tiltedly enclosing on the outer circle wall, described rotation lock driving mechanism comprises synchronous band and by the active synchronization belt wheel of drive mechanism, described active synchronization belt wheel swivel bearing is on base plate, and described synchronous band is at the active synchronization belt wheel and adjust transmission between the driven synchronous pulley structure on the outer circle wall of oblique circle.
7. according to claim 1 or 2 or 3 or 4 or 5 or 6 described punch plate height adjusting devices, it is characterized in that the described quantity of screw inclined plane down and the quantity of last screw inclined plane are three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201858619U CN201685476U (en) | 2010-05-11 | 2010-05-11 | Height adjusting device for stamping plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201858619U CN201685476U (en) | 2010-05-11 | 2010-05-11 | Height adjusting device for stamping plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201685476U true CN201685476U (en) | 2010-12-29 |
Family
ID=43373765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201858619U Expired - Lifetime CN201685476U (en) | 2010-05-11 | 2010-05-11 | Height adjusting device for stamping plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201685476U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101875246A (en) * | 2010-05-11 | 2010-11-03 | 严培义 | Punch plate height adjusting device |
| CN107234156A (en) * | 2017-08-03 | 2017-10-10 | 温州久重工有限公司 | One kind turns round the machine of twisting |
| CN107252851A (en) * | 2017-08-03 | 2017-10-17 | 温州久重工有限公司 | A kind of gag straightener |
-
2010
- 2010-05-11 CN CN2010201858619U patent/CN201685476U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101875246A (en) * | 2010-05-11 | 2010-11-03 | 严培义 | Punch plate height adjusting device |
| CN101875246B (en) * | 2010-05-11 | 2012-04-25 | 严培义 | Punch plate height adjusting device |
| CN107234156A (en) * | 2017-08-03 | 2017-10-10 | 温州久重工有限公司 | One kind turns round the machine of twisting |
| CN107252851A (en) * | 2017-08-03 | 2017-10-17 | 温州久重工有限公司 | A kind of gag straightener |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101229 Effective date of abandoning: 20120502 |