CN110962198A - Log curling forming device - Google Patents
Log curling forming device Download PDFInfo
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- CN110962198A CN110962198A CN201911338603.1A CN201911338603A CN110962198A CN 110962198 A CN110962198 A CN 110962198A CN 201911338603 A CN201911338603 A CN 201911338603A CN 110962198 A CN110962198 A CN 110962198A
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- log
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- forming device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27H—BENDING WOOD OR SIMILAR MATERIAL; COOPERAGE; MAKING WHEELS FROM WOOD OR SIMILAR MATERIAL
- B27H1/00—Bending wood stock, e.g. boards
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- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Veneer Processing And Manufacture Of Plywood (AREA)
Abstract
The invention provides a log curling and forming device, which belongs to the technical field of artificial boards and comprises a first base, a rotating shaft, a driving mechanism, a second base, a rotating roller and an elastic component, wherein one end of the rotating shaft is rotatably connected to the first base; the driving mechanism is connected with the other end of the rotating shaft and is used for driving the rotating shaft to rotate; the second base is arranged on one side of the first base; the second base is provided with a sliding component which slides along the axis vertical to the rotating shaft; the extrusion roller is rotationally connected to the sliding assembly and is arranged in parallel with the rotating shaft; gaps through which the logs pass are arranged between the extrusion rollers; one end of the elastic component is fixedly connected with the sliding component, and the other end of the elastic component is fixedly connected with the first base.
Description
Technical Field
The invention belongs to the technical field of artificial boards, and particularly relates to a log curling and forming device.
Background
The basis of the production of the artificial integrated veneer is a recombined decorative material which is a wooden decorative material with the characteristics of the texture, the pattern, the color and other artistic patterns of natural precious tree species wood or other artistic patterns, and is manufactured by using rotary-cut or sliced veneers of artificial forests or common tree species wood as main raw materials and adopting the technologies of veneer color mixing, lamination, mould pressing glue forming and the like. The manufacturing method of the recombined decorative material is different according to different adhesives, and the method for producing the recombined decorative material by using the normal-temperature curing adhesive is called as a cold pressing method; the hot pressing method is called as hot pressing method, but the cold pressing method or the hot pressing method has high requirements on the performance of the adhesive, and the curing time is long, so that the production efficiency is low and the cost is high.
Disclosure of Invention
The invention aims to provide a log curling and forming device, which aims to solve the technical problems of low log production efficiency and high cost in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: provided is a log curl forming device including:
a first base;
one end of the rotating shaft is rotatably connected to the first base;
the driving mechanism is connected with the other end of the rotating shaft and is used for driving the rotating shaft to rotate;
the second base is arranged on one side of the first base; the second base is provided with a sliding assembly which slides along an axis vertical to the rotating shaft;
the extrusion roller is rotationally connected to the sliding assembly and is arranged in parallel with the rotating shaft; gaps through which the logs pass are formed between the extrusion rollers;
and one end of the elastic component is fixedly connected with the sliding component, and the other end of the elastic component is fixedly connected with the first base.
As another embodiment of the present application, the sliding assembly includes:
the mounting block is arranged on the second base in a sliding manner; the mounting block is provided with a mounting groove for mounting the elastic component;
the first vertical plate is fixedly arranged in the mounting groove; one end of the elastic component is fixedly connected with the first vertical plate;
the two support plates are fixedly arranged on the mounting block and are arranged in parallel at intervals; the extrusion roller is arranged between the two support plates, and two ends of the extrusion roller are respectively connected to the two support plates in a rotating manner.
As another embodiment of this application, be equipped with on the second base and be used for holding the spacing spout of installation piece, be equipped with on the cell wall of spacing spout be used for with installation piece sliding fit's slide rail.
As another embodiment of the present application, the press roll comprises:
the two ends of the central shaft are respectively and fixedly connected to the two supporting plates;
the sleeve is rotatably sleeved on the central shaft.
As another embodiment of this application, the both ends of center pin are equipped with the locating plate respectively, be equipped with in the backup pad with locating plate assorted locating hole.
As another embodiment of the present application, the elastic member is a plurality of springs uniformly distributed.
As another embodiment of the present application, the first chassis includes:
a base body; the driving mechanism is positioned on one side of the seat body;
the thimble mechanism is arranged on the seat body and is opposite to the driving mechanism; one end of the rotating shaft is rotatably connected with the ejector pin mechanism.
As another embodiment of the present application, the ejector pin mechanism includes:
the block body is arranged on the seat body, and a threaded hole corresponding to the rotating shaft is formed in the block body;
the screw rod is in threaded connection with the threaded hole;
the limiting ejector pin is fixedly arranged at one end of the screw rod close to the rotating shaft; and the rotating shaft is provided with a connecting hole which is used for being rotationally connected with the limiting thimble.
As another embodiment of the present application, a second vertical plate is disposed on the seat body and is used for being fixedly connected to the elastic component.
As another embodiment of this application, be equipped with the breach that is used for fixed log one end on the lateral surface of pivot, the length direction of breach with the length direction of pivot is the same.
The log curling and forming device provided by the invention has the beneficial effects that: compared with the prior art, the log curling and forming device is provided with the first base and the second base which are correspondingly arranged and are respectively used for rotatably supporting the rotating shaft and slidably supporting the sliding assembly. As the thickness of the curled log on the rotating shaft increases, the log can push the extrusion roller after entering the gap, so that the extrusion roller and the sliding component slide against the elastic component, and the extrusion roller still extrudes the log to form under the reaction force of the elastic component. Through the mode, the raw wood can be continuously and stably extruded and compactly molded without waiting for longer curing time, the working efficiency is improved, the problem of high requirement on adhesives is avoided, and the production cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Figure 1 is an isometric view of a log curl forming device according to an embodiment of the present invention;
figure 2 is a second isometric view of a log curl forming device according to an embodiment of the present invention;
figure 3 is a side view of a log curl forming device according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
1. a first base; 11. a base body; 12. a thimble mechanism; 121. a block body; 122. a screw; 123. a limiting thimble; 13. a second vertical plate; 2. a rotating shaft; 21. a notch; 3. a drive mechanism; 31. a three-jaw chuck; 4. a second base; 41. a limiting chute; 411. a slide rail; 5. a sliding assembly; 51. mounting blocks; 511. mounting grooves; 52. a first vertical plate; 53. a support plate; 531. positioning holes; 6. extruding the roller; 61. a central shaft; 62. a sleeve; 63. positioning a plate; 7. an elastic member; 71. a spring.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 3, a log curling apparatus according to the present invention will be described. A log curling and forming device comprises a first base 1, a rotating shaft 2, a driving mechanism 3, a second base 4, a rotating roller and an elastic component 7, wherein one end of the rotating shaft 2 is rotatably connected to the first base 1; the driving mechanism 3 is connected with the other end of the rotating shaft 2 and is used for driving the rotating shaft 2 to rotate; the second base 4 is arranged on one side of the first base 1; the second base 4 is provided with a sliding component 5 which slides along the axis vertical to the rotating shaft 2; the extrusion roller 6 is rotationally connected to the sliding component 5 and is arranged in parallel with the rotating shaft 2; gaps through which the logs pass are arranged between the extrusion rollers 6; one end of the elastic component 7 is fixedly connected with the sliding component 5, and the other end is fixedly connected with the first base 1.
Compared with the prior art, the log curling and forming device is characterized in that the first base 1 and the second base 4 are correspondingly arranged and are respectively used for rotatably supporting the rotating shaft 2 and slidably supporting the sliding component 5, when the log curling and forming device is used, one end of a log is fixed on the outer side surface of the rotating shaft 2, then the rotating shaft 2 is driven to rotate on the first base 1 through the driving mechanism 3 and is driven to curl on the rotating shaft 2, and when the rotating shaft 2 drives the log to rotate through a gap between the rotating shaft 2 and the extrusion roller 6, the log is subjected to extrusion force from the extrusion roller 6 to extrude and form the log compactly. As the thickness of the log curled on the spindle 2 increases, the squeeze roller 6 is pushed after the log enters the gap, so that the squeeze roller 6 and the sliding member 5 slide against the elastic member 7, and thus the squeeze roller 6 still squeezes the log to be formed under the reaction force of the elastic member 7. Through the mode, the raw wood can be continuously and stably extruded and compactly molded without waiting for longer curing time, the working efficiency is improved, the problem of high requirement on adhesives is avoided, and the production cost is reduced.
The gap between the initial spindle 2 and the squeeze roller 6 can be set smaller than the normal thickness of the log or zero, so that the gap is formed by the action of the elastic member 7 driving the sliding assembly 5. The driving mechanism 3 can adopt a servo mode, a servo motor is fixed on one side of the first base 1, a shaft chuck or a three-jaw chuck 31 is arranged at an output shaft of the servo motor, the shaft chuck or the three-jaw chuck 31 clamps one end of the rotating shaft 2, and the other end of the rotating shaft 2 is rotatably connected to the first base 1.
Referring to fig. 1 and 2, as an embodiment of the log curling device provided by the present invention, the sliding component 5 includes a mounting block 51, a first vertical plate 52 and a supporting plate 53, the mounting block 51 is slidably disposed on the second base 4; the mounting block 51 is provided with a mounting groove 511 for mounting the elastic component 7; the first vertical plate 52 is fixedly arranged in the mounting groove 511; one end of the elastic component 7 is fixedly connected with the first vertical plate 52; the number of the supporting plates 53 is two, the supporting plates are fixedly arranged on the mounting block 51 and are arranged in parallel at intervals; the extrusion roller 6 is arranged between the two supporting plates 53, the two ends of the extrusion roller are respectively and rotatably connected to the two supporting plates 53, the installation block 51 is arranged on the second base 4 in a sliding fit manner, the elastic part 7 is installed in the installation groove 511, the two ends of the installation groove 511 are provided with openings, and the two ends of the elastic part 7 are respectively fixed between the first vertical plate 52 and the first base 1; set up two support plates 53 on the installation piece 51, and support plates 53 are located the both sides of mounting groove 511, and rotate the both ends of extrusion roller 6 and connect on two support plates 53, consequently when the log gets into the clearance between pivot 2 and the extrusion roller 6, the log extrudes this extrusion roller 6, support plate 53 and installation piece 51 slide along second base 4, and overcome the elastic force of elastic component 7, consequently can guarantee with the help of elastic component 7's restoring force that extrusion roller 6 lasts the extrusion log, reach fine and close fashioned effect. Can set up spacing spout 41 on second base 4, the bottom surface and the side of installation piece 51 slide in spacing spout 41, both can guarantee through this kind of mode that installation piece 51 slides steadily in spacing spout 41, can reduce the height of second base 4, installation piece 51 and backup pad 53 again, have reduced the distance between extrusion roller 6 and elastomeric element 7, prevent that the moment between extrusion roller 6 and the elastomeric element 7 is great and take place vertical rotation. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
Referring to fig. 1 and 2, as a specific embodiment of the log curling and forming device provided by the present invention, two supporting plates 53 are respectively disposed at two sides of the installation slot 511, the two supporting plates 53 are disposed at two sides of the installation slot 511, so as to ensure that the pressing roller 6 is located at the center of the whole installation block 51, when the pressing roller 6 is pressed and slides together with the supporting plates 53, the two supporting plates 53 and the pressing roller 6 are located at the right upper position of the whole installation block 51 due to the supporting plates 53 being located at two sides of the installation slot 511, so that the installation block 51 is uniformly forced to slide, and the stability is higher.
Referring to fig. 1 and 2, as a specific embodiment of the log curling and forming device provided by the present invention, a limiting chute 41 for accommodating an installation block 51 is disposed on the second base 4, a sliding rail 411 for slidably fitting with the installation block 51 is disposed on a groove wall of the limiting chute 41, the sliding rail 411 is formed by two groove walls of the limiting chute 41 protruding toward the center of the limiting chute 41, two sides of a lower end surface of the installation block 51 are slidably disposed on the sliding rail 411, and the groove wall of the limiting chute 41 has a limiting effect on the installation block 51. The installation block 51 is installed in the limiting sliding groove 41, so that the installation block 51 can be ensured to stably slide in the limiting sliding groove 41, the heights of the second base 4, the installation block 51 and the supporting plate 53 can be reduced, the distance between the extrusion roller 6 and the elastic component 7 is reduced, and the phenomenon that the moment between the extrusion roller 6 and the elastic component 7 is large and vertical rotation occurs is prevented.
Referring to fig. 1 and 2, as an embodiment of the log curling device of the present invention, the squeezing roller 6 includes a central shaft 61 and a sleeve 62, wherein two ends of the central shaft 61 are respectively fixed on two support plates 53; the sleeve 62 is sleeved on the central shaft 61 and is rotationally connected with the central shaft 61, the central shaft 61 is arranged between the two supporting plates 53, two ends of the central shaft are respectively fixed on the supporting plates 53, the sleeve 62 is sleeved on the outer side surface of the central shaft 61 and is rotationally connected with the central shaft 61, therefore, the outer side surface of the log is contacted with the outer side surface of the sleeve 62, the sleeve 62 rotates around the central shaft 61, the log is extruded and molded at the same time, and the phenomenon of blocking is avoided. Two shoulders arranged at intervals can be arranged on the central shaft 61, and the sleeve 62 is arranged between the two shoulders to achieve the limiting effect.
Referring to fig. 1 to 3, as a specific embodiment of the log curling and forming device provided by the present invention, positioning plates 63 are respectively disposed at two ends of a central shaft 61, a positioning hole 531 matched with the positioning plates 63 is disposed on a supporting plate 53, the central shaft 61 and the positioning plates 63 are integrated, the positioning plates 63 are arranged in an oblong structure, the positioning holes 531 are shaped as oblong holes matched with the oblong structure and form a limiting function for the positioning plates 63, so as to prevent the central shaft 61 and the positioning plates 63 from rotating. During installation, the two ends of the central shaft 61 penetrate through one side of the supporting plate 53, the two positioning plates 63 are respectively arranged in the corresponding positioning holes 531, and installation is completed, so that stable installation of the central shaft 61 on the left positioning plate 63 and the right positioning plate 63 is guaranteed.
Referring to fig. 1 and 2, as a specific embodiment of the log curling and forming device provided by the present invention, the elastic member 7 is a plurality of uniformly distributed springs 71, the length direction of the springs 71 is perpendicular to the central axis 61 direction of the rotating shaft 2 and the pressing roller 6, and two ends of the springs 71 are respectively and fixedly connected with the first base 1 and the sliding assembly 5, along with the increase of the curling thickness of the log on the rotating shaft 2, the pressing roller 6 can be pressed along with the sliding assembly 5 to overcome the elastic force of the springs 71 and slide in the direction departing from the rotating shaft 2, and under the reaction of the elastic force of the springs 71, the pressing roller 6 can be ensured to always provide the pressing force for the log on the rotating shaft 2, so as to form the log. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 and 2, as a specific embodiment of the log curling and forming device provided by the present invention, the first base 1 includes a base 11 and an ejector pin mechanism 12, and the driving mechanism 3 is located at one side of the base 11; the thimble mechanism 12 is arranged on the seat body 11 and is opposite to the driving mechanism 3; one end of the rotating shaft 2 is rotatably connected with the thimble mechanism 12, the base body 11 is fixed on the ground and supports the thimble mechanism 12 relatively stably, the driving mechanism 3 is fixedly arranged at one side of the base body 11, the thimble mechanism 12 is arranged on the base body 11 and is opposite to the driving mechanism 3, so that the rotating shaft 2 is arranged between the thimble mechanism 12 and the driving mechanism 3, one end of the rotating shaft 2 is in transmission connection with the driving mechanism 3, and the other end is rotatably connected with the thimble mechanism 12. When the device is used, one end of a log is fixed on the rotating shaft 2, then the driving mechanism 3 is started to drive the rotating shaft 2 to rotate, so that the log is curled on the rotating shaft 2, and meanwhile, in the rotating process, the extrusion roller 6 is driven to extrude the log under the action of the elastic component 7, so that the log is extruded and formed. The seat body 11 comprises two supports arranged in parallel at intervals and a flat plate fixed on the two supports, and the thimble mechanism 12 is fixed on the flat plate. A connecting hole is provided on the end surface of the other end of the rotating shaft 2, and the ejector pin mechanism 12 is rotatably connected to the rotating shaft 2 through the connecting hole. A guide rail can be arranged on the flat plate, the lower end of the thimble mechanism 12 is connected to the guide rail in a sliding way, and the position of the thimble mechanism 12 can be adjusted according to the size of the rotating shaft 2; and set up the through-hole on the thimble mechanism 12, set up the rectangular hole corresponding to through-hole on the flat board, after the thimble mechanism 12 moves to the suitable position, use the bolt to pass through-hole and rectangular hole fixed connection thimble mechanism 12 flat board.
Referring to fig. 1 and 2, as a specific embodiment of the log curling and forming device provided by the present invention, the thimble mechanism 12 includes a block 121, a screw 122 and a limit thimble 123, the block 121 is disposed on the base 11, and the block 121 is provided with a threaded hole corresponding to the rotating shaft 2; the screw 122 is in threaded connection with the threaded hole; the limiting thimble 123 is fixedly arranged at one end of the screw 122 close to the rotating shaft 2; be equipped with on pivot 2 and be used for rotating the connecting hole of being connected with spacing thimble 123, block 121 sets up on the flat board and corresponding with actuating mechanism 3, set up the screw hole with the axis collineation of pivot 2 on block 121, screw rod 122 threaded connection passes this screw hole, and set up spacing thimble 123 in the one end that screw rod 122 is close to pivot 2, the one end of spacing thimble 123 is fixed on screw rod 122, the other end rotates in the connecting hole of connecting in pivot 2, during the use staff can rotate the one end that screw rod 122 kept away from pivot 2, make spacing thimble 123 remove towards pivot 2, and then the top advances in the connecting hole in pivot 2. Therefore, when the driving mechanism 3 drives the rotating shaft 2 to rotate, the rotating shaft 2 can stably rotate between the driving mechanism 3 and the limiting thimble 123, and further the logs on the rotating shaft 2 are wound on the rotating shaft 2. The block 121 may be attached to the plate by welding or bolting.
Referring to fig. 1 to 3, as a specific embodiment of the log curling device provided by the present invention, a second vertical plate 13 is disposed on the seat body 11 for being fixedly connected with the elastic component 7, the second vertical plate 13 is fixedly disposed on a side of the seat body 11 corresponding to the elastic component 7, the springs 71 in the elastic component 7 can be directly connected to the second vertical plate 13, the second vertical plate 13 is disposed with a plurality of connecting rings corresponding to the springs 71, one end of each spring 71 can be directly clamped into the corresponding connecting ring, and the log curling device is convenient to install and disassemble. Meanwhile, the second vertical plate 13 corresponds to the first vertical plate 52, so that the deformation process of the spring 71 is relatively stable, a strong elastic force is provided for the extrusion roller 6, and the extrusion of the logs can be continuously and stably formed.
Referring to fig. 1 and 2, as a specific embodiment of the log curling and forming device provided by the present invention, a notch 21 for fixing one end of the log is provided on an outer side surface of the rotating shaft 2, a length direction of the notch 21 is the same as a length direction of the rotating shaft 2, when the log is fixed on the rotating shaft 2, one end of the log is directly clamped at the notch 21 on the rotating shaft 2, the length of the notch 21 is the same as the length direction of the rotating shaft 2, and the length of the notch 21 should be greater than the width of the log, so that the log is conveniently clamped in the notch 21. The depth direction of the notch 21 and the central axis 61 of the rotating shaft 2 are arranged to have a certain offset distance, and the offset distance is slightly smaller than the radius of the rotating shaft 2, so that when the log is curled on the rotating shaft 2, the log can be only slightly bent and attached to the outer side surface of the rotating shaft 2, and the purpose of protecting the log is achieved.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A log curl forming device, comprising:
a first base;
one end of the rotating shaft is rotatably connected to the first base;
the driving mechanism is connected with the other end of the rotating shaft and is used for driving the rotating shaft to rotate;
the second base is arranged on one side of the first base; the second base is provided with a sliding assembly which slides along an axis vertical to the rotating shaft;
the extrusion roller is rotationally connected to the sliding assembly and is arranged in parallel with the rotating shaft; gaps through which the logs pass are formed between the extrusion rollers;
and one end of the elastic component is fixedly connected with the sliding component, and the other end of the elastic component is fixedly connected with the first base.
2. A log curl forming device as in claim 1, wherein the slide assembly comprises:
the mounting block is arranged on the second base in a sliding manner; the mounting block is provided with a mounting groove for mounting the elastic component;
the first vertical plate is fixedly arranged in the mounting groove; one end of the elastic component is fixedly connected with the first vertical plate;
the two support plates are fixedly arranged on the mounting block and are arranged in parallel at intervals; the extrusion roller is arranged between the two support plates, and two ends of the extrusion roller are respectively connected to the two support plates in a rotating manner.
3. A log curling device as defined in claim 2, wherein said second base has a stop runner for receiving said mounting blocks, and a sliding track is provided on a wall of said stop runner for sliding engagement with said mounting blocks.
4. A log curl forming device as defined in claim 2, wherein said squeeze rollers comprise:
the two ends of the central shaft are respectively and fixedly connected to the two supporting plates;
the sleeve is rotatably sleeved on the central shaft.
5. A log curling device according to claim 4, wherein positioning plates are provided at both ends of said central shaft, respectively, and positioning holes are provided in said support plate to match said positioning plates.
6. A log curl-forming device as in claim 1, wherein said resilient member is a plurality of springs disposed in a spaced apart relationship.
7. A log curl forming device as in claim 1, wherein the first base comprises:
a base body; the driving mechanism is positioned on one side of the seat body;
the thimble mechanism is arranged on the seat body and is opposite to the driving mechanism; one end of the rotating shaft is rotatably connected with the ejector pin mechanism.
8. A log curl forming device as defined in claim 7, wherein said ejector pin mechanism comprises:
the block body is arranged on the seat body, and a threaded hole corresponding to the rotating shaft is formed in the block body;
the screw rod is in threaded connection with the threaded hole;
the limiting ejector pin is fixedly arranged at one end of the screw rod close to the rotating shaft; and the rotating shaft is provided with a connecting hole which is used for being rotationally connected with the limiting thimble.
9. A log curling device according to claim 8, wherein said body has a second riser for attachment to said resilient member.
10. A log curl forming device as defined in claim 1, wherein said spindle has a notch formed on its outer side for fixing one end of the log, and the length direction of said notch is the same as the length direction of said spindle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911338603.1A CN110962198B (en) | 2019-12-23 | 2019-12-23 | Log curling forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911338603.1A CN110962198B (en) | 2019-12-23 | 2019-12-23 | Log curling forming device |
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| CN110962198A true CN110962198A (en) | 2020-04-07 |
| CN110962198B CN110962198B (en) | 2021-08-10 |
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| CN201911338603.1A Active CN110962198B (en) | 2019-12-23 | 2019-12-23 | Log curling forming device |
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| CN205772496U (en) * | 2016-05-20 | 2016-12-07 | 江门市新会区天府密封科技有限公司 | A kind of crimp diameter adjustable sheet material crimping device |
| CN206457039U (en) * | 2017-01-19 | 2017-09-01 | 河北吉玛自动化科技有限公司 | Sheet material winder |
| CN106665008A (en) * | 2017-01-21 | 2017-05-17 | 洛阳福格森机械装备有限公司 | Silage maize harvester crushing device having filament rubbing function |
| CN110116140A (en) * | 2019-03-12 | 2019-08-13 | 郑形村 | A kind of multiple roll road automatic gap adjustment device |
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| CN110962198B (en) | 2021-08-10 |
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