CN112829077A - Angle-adjustable eccentrically-mounted saw blade - Google Patents
Angle-adjustable eccentrically-mounted saw blade Download PDFInfo
- Publication number
- CN112829077A CN112829077A CN202110229392.9A CN202110229392A CN112829077A CN 112829077 A CN112829077 A CN 112829077A CN 202110229392 A CN202110229392 A CN 202110229392A CN 112829077 A CN112829077 A CN 112829077A
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- China
- Prior art keywords
- saw blade
- internal tooth
- angle
- cover plate
- driving gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/04—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B9/00—Portable power-driven circular saws for manual operation
Abstract
The invention relates to the technical field of multifunctional machining tools, and particularly discloses an eccentric mounting saw blade with an adjustable angle, which comprises: the device comprises an internal tooth saw blade, a driving gear, a clamping bracket, a mounting seat, a transmission shaft, a universal joint, a gear shaft and an adjusting rod; the mounting seat is fixedly arranged on the motor box body, and a transmission shaft is rotatably arranged on the mounting seat; the upper end of the transmission shaft is fixedly connected with a motor shaft, and the lower end of the transmission shaft is fixedly connected with a universal joint; the lower end of the universal joint is fixedly connected with a gear shaft, and the gear shaft passes through the clamping bracket and is coaxially and fixedly installed with the driving gear; the motor is rotatory to drive gear and rotates, drives the motion of internal tooth saw bit through gear engagement, and the radial position of rethread centre gripping bracket control internal tooth saw bit, and then realizes that the internal tooth saw bit is still rotatory around its saw bit center, but saw bit central point puts and does not shelter from the thing, carries the transmission part wholly up, self when having solved ordinary handsaw cutting interferes the problem that leads to the cutting to have the dead angle.
Description
Technical Field
The invention relates to the technical field of multifunctional machining tools, in particular to an eccentric mounting saw blade with an adjustable angle.
Background
In the existing decoration industry, the handsaw is a very common cutting and processing tool, when a square hole of a socket is formed in a wood or ceramic tile by the existing common handsaw, because the transmission axis position of the common handsaw is at the center of a saw blade, when the saw blade needs to be cut at a corner or more deeply, the common handsaw can interfere with the common handsaw to generate blocking, and dead angles are left at last in cutting; for example, when square holes are cut, four edges of the front surface are cut, but the back surface is still not cut completely, the four corners are provided with residual parts which are not cut, and the holes can be completely cut only by performing additional cutting from the back surface; if the angle of the saw blade is directly adjusted at special positions such as an inclined plane to complete chamfering of wood and ceramic tiles, other auxiliary tools are additionally added;
for example, patent nos.: CN106041186B, a chinese patent of the invention, discloses an eccentric saw blade milling cutter, which comprises a cutter, wherein the cutter is a circular blade, an improved blade is sharpened at one side of the cutter, the improved blade is a single-tooth structure, an eccentric mounting hole is arranged at the other side of the cutter, and the distance from the center of the eccentric mounting hole to the improved blade is greater than the distance H from the center of the central mounting hole to the original blade; the invention realizes that the small-diameter cutter can be used for processing a large-depth groove after being improved, the single-tooth cutting edge is adopted, the chip removal is facilitated, the waste cutter is used for sharpening again, the waste is changed into valuable, and the cost of the cutter is reduced; however, if the saw blade milling cutter is eccentrically installed, the rotating center of the saw blade milling cutter during working is also deviated, the saw blade is stressed unevenly and is easy to snap, the overall cutting effect is not good, great trouble is caused to the positioning and calculation of a machining hole, and great deviation is easy to generate;
therefore, the eccentric installation saw blade with the adjustable angle is urgently needed to solve the problems, firstly, the condition of self interference when the handsaw is used is reduced through eccentric installation, and secondly, the working rotation center or the center of the saw blade is realized through gear transmission, so that the use precision of the handsaw is ensured; still adjust the pole through setting up, can directly adjust the saw bit angle and accomplish the processing chamfer of inclined plane and other special angles, do not need other appurtenance, it is more convenient, labour saving and time saving.
Disclosure of Invention
Aiming at the problems, the invention provides an eccentrically-mounted saw blade with an adjustable angle, a motor rotates to drive a driving gear to rotate, an internal tooth saw blade is driven to move through gear engagement, and then the radial position of the internal tooth saw blade is controlled through a clamping bracket, so that the internal tooth saw blade still rotates around the center of the saw blade, but no shielding object is arranged at the center of the saw blade, the transmission part is integrally lifted, and the problem that dead angles exist in cutting due to self interference when a common handsaw is used is solved.
The technical scheme adopted by the invention is as follows: an adjustable angle eccentrically mounted saw blade comprising: the method comprises the following steps: the device comprises an internal tooth saw blade, a driving gear, a clamping bracket, a mounting seat, a transmission shaft, a universal joint, a gear shaft and an adjusting rod; a circular hole is formed in the center of the internal tooth saw blade, concentric sliding grooves are symmetrically formed in two end faces of the internal tooth saw blade, and a rack structure is arranged on the inner side of the circular hole; the mounting seat is fixedly arranged on the motor box body, and a transmission shaft is rotatably arranged on the mounting seat; the upper end of the transmission shaft is fixedly connected with a motor shaft, and the lower end of the transmission shaft is fixedly connected with a universal joint; the lower end of the universal joint is fixedly connected with a gear shaft, and the gear shaft passes through the clamping bracket and is coaxially and fixedly installed with the driving gear; the driving gear is meshed with a rack structure on the internal tooth saw blade, and the internal tooth saw blade rotates along with the rotation of the driving gear; the clamping bracket is rotationally connected with the mounting seat, the driving gear and the internal tooth saw blade are clamped inside the clamping bracket, and the radial distance between the driving gear and the internal tooth saw blade is kept relatively unchanged through the matching of a guide wheel shaft on the clamping bracket and concentric sliding grooves on two sides of the internal tooth saw blade; one end of the adjusting rod is hinged to the mounting seat, and the other end of the adjusting rod is hinged to the clamping bracket and used for adjusting the cutting angle of the internal tooth saw blade;
the motor is started, the transmission shaft rotates, the driving gear synchronously rotates under the connection of the universal joint and the gear shaft, and the internal tooth saw blade is driven to rotate to realize the cutting function.
Further, the clamping bracket further comprises: the upper cover plate and the lower cover plate are positioned on two sides of the driving gear and the internal tooth saw blade, and the upper end and the lower end of the gear shaft are respectively in rotary connection with the upper cover plate and the lower cover plate; the vertical seat is arranged on the outer side surface of the upper cover plate and is hinged with the mounting seat through a pin shaft; the guide wheel shafts are uniformly distributed on the inner side surfaces of the upper cover plate and the lower cover plate respectively corresponding to the concentric sliding grooves on the two sides of the internal tooth saw blade and are used for reducing the axial and radial runout of the internal tooth saw blade under the driving of the driving gear; the upper cover plate and the lower cover plate are fastened through bolts.
Furthermore, two guide wheel shafts are arranged in parallel to form a group, are respectively in sliding contact with the side walls of the concentric sliding grooves, and are correspondingly provided with three groups on the upper cover plate and the lower cover plate.
Furthermore, after the upper cover plate and the lower cover plate are fastened, the gap between the end face of the guide wheel shaft and the ground of the concentric sliding groove is 0.1-0.5 mm.
Furthermore, limiting plates are arranged on the upper end face and the lower end face of the driving gear and used for limiting the driving gear in the clamping bracket and reducing the axial and radial jumping amount of the internal tooth saw blade driven by the driving gear.
Further, the adjusting lever includes: the angle rod, the angle threaded rod and the threaded sleeve; the threaded sleeve is sleeved outside the angle rod and the angle threaded rod, one end of the threaded sleeve is matched with the angle threaded rod, and the other end of the threaded sleeve is rotationally matched with the angle rod; the other end of the angle rod is hinged with a lifting lug arranged on the front side of the mounting seat, and the other end of the angle rod is hinged with a hanging lug arranged on the outer side surface of the upper cover plate; and the whole length of the threaded sleeve and the angle threaded rod is changed by screwing the threaded sleeve, so that the clamping bracket is pushed and pulled to drive the internal tooth saw blade to swing, and the function of adjusting the cutting angle is realized.
Due to the adoption of the technical scheme, the invention has the following advantages:
(1) the invention ensures that the rotation center of the saw blade is also the center of the saw blade when the saw blade works, and simultaneously skillfully moves other parts of the handsaw upwards integrally, thereby greatly reducing the self interference of the handsaw when in use.
(2) The invention is provided with the internal tooth saw blade and the driving gear, realizes power transmission through gear transmission, and realizes the cutting function by driving the internal tooth saw blade through the motor, thereby saving time and labor.
(3) The clamping bracket is sleeved outside the internal tooth saw blade and the driving gear, so that the radial position of the internal tooth saw blade is locked, and the rotation precision of the saw blade during working is ensured.
(4) The invention is provided with the universal joint and the adjusting rod, can realize the tangential angle adjustment of the internal tooth saw blade, does not need other auxiliary tools, is more convenient and faster, and enlarges the application range of the saw blade.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic cross-sectional view of the overall structure of the present invention.
Fig. 3 is a schematic view showing a specific structure of the internal tooth saw blade of the present invention.
Fig. 4 is a schematic structural diagram of the holding bracket of the present invention.
Fig. 5 is a schematic view of a specific structure of the adjusting lever of the present invention.
Fig. 6 is a schematic structural diagram of the driving gear of the present invention.
Reference numerals: 1-an internal tooth saw blade; 2-a drive gear; 3-clamping the bracket; 4-mounting a base; 5-a transmission shaft; 6-universal joint; 7-gear shaft; 8-adjusting the rod; 101-concentric chutes; 102-a circular hole; 201-a limiting plate; 301-upper cover plate; 302-a idler shaft; 303-a lower cover plate; 3011-standing; 3012-hanging the ears; 801-angle bar; an 802-angle threaded rod; 803-thread bush.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in many ways other than those described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit of the invention, and therefore the invention is not limited to the specific embodiments disclosed below.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
1-2, an adjustable angle eccentrically mounted saw blade comprising: the device comprises an internal tooth saw blade 1, a driving gear 2, a clamping bracket 3, a mounting seat 4, a transmission shaft 5, a universal joint 6, a gear shaft 7 and an adjusting rod 8; a round hole 102 is formed in the center of the internal tooth saw blade 1, symmetrical concentric sliding grooves 101 are formed in two end faces of the internal tooth saw blade, and a rack structure is arranged on the inner side of the round hole 102; the mounting seat 4 is fixedly mounted on the motor box body, and the transmission shaft 5 is rotatably mounted on the mounting seat 4; the upper end of the transmission shaft 5 is fixedly connected with a motor shaft, and the lower end of the transmission shaft is fixedly connected with a universal joint 6; the lower end of the universal joint 6 is fixedly connected with a gear shaft 7, and the gear shaft 7 passes through the clamping bracket 3 and is coaxially and fixedly installed with the driving gear 2; the driving gear 2 is meshed with a rack structure on the internal tooth saw blade 1, the internal tooth saw blade 1 rotates along with the rotation of the driving gear 2, power transmission is realized through gear transmission, and the motor drives the internal tooth saw blade 1 to realize a cutting function, so that time and labor are saved; the clamping bracket 3 is rotatably connected with the mounting seat 4, the driving gear 2 and the internal tooth saw blade 1 are clamped inside, and the radial distance between the driving gear 2 and the internal tooth saw blade 1 is kept relatively unchanged through the matching of a guide wheel shaft 302 on the clamping bracket 3 and the concentric sliding grooves 101 on the two sides of the internal tooth saw blade 1; when in installation, the driving gear 2 is firstly installed on the gear shaft 7, and then the clamping bracket 3 is used for sleeving the driving gear 2 and the internal tooth saw blade 1 into the gear shaft; one end of the adjusting rod 8 is hinged to the mounting seat 4, and the other end of the adjusting rod is hinged to the clamping bracket 3 and used for adjusting the cutting angle of the internal tooth saw blade 1;
when in use, the rear hexagonal part of the transmission shaft 5 is directly inserted into the motor shaft, and then the mounting seat 4 is fixed on the motor shell box body; the motor is started, the transmission shaft 5 rotates, the driving gear 2 also synchronously rotates under the connection of the universal joint 6 and the gear shaft 7, and the internal tooth saw blade 1 is driven to rotate automatically to realize the cutting function; the invention ensures that the rotation center of the saw blade is also the center of the saw blade when the saw blade works, and simultaneously skillfully moves other parts of the handsaw upwards integrally, thereby greatly reducing the self interference of the handsaw when in use.
Referring to fig. 3-4, the holding bracket 3 further includes: the upper cover plate 301 and the lower cover plate 303 are positioned at two sides of the driving gear 2 and the internal tooth saw blade 1, and the upper end and the lower end of the gear shaft 7 are respectively in rotary connection with the upper cover plate 301 and the lower cover plate 303; the vertical seat 3011 arranged on the outer side surface of the upper cover plate 301 is hinged with the mounting seat 4 through a pin shaft; the guide wheel shaft 302 is respectively and uniformly distributed on the inner side surfaces of the upper cover plate 301 and the lower cover plate 303 corresponding to the concentric chutes 101 on the two sides of the internal tooth saw blade 1 and is used for reducing the axial and radial runout of the internal tooth saw blade 1 under the driving of the driving gear 2; the clamping bracket 3 can control the radial position of the internal tooth saw blade 1, so that the internal tooth saw blade 1 still rotates around the center of the saw blade; the center of the saw blade is not provided with a shielding object, the transmission part is integrally lifted, so that the depth size of the saw blade during cutting is increased, for example, when a square hole needs to be cut, only four cutters are required to be completely cut on the front side, the square hole can be directly cut off, and the back side is not required to be subjected to supplementary cutting.
In order to keep the balance stability of the saw blade during high-speed rotation, two guide wheel shafts 302 are arranged in parallel to form a group and are respectively in sliding contact with the side wall of the concentric sliding chute 101, and three groups are correspondingly arranged on the upper cover plate 301 and the lower cover plate 303; after the upper guide wheel shaft 302 is installed, the upper cover plate 301 and the lower cover plate 303 are fastened through bolts, and after the upper cover plate 301 and the lower cover plate 303 are fastened, a gap between the end face of the guide wheel shaft 302 and the ground of the concentric sliding groove 101 is ensured to be 0.1-0.5 mm.
Referring to fig. 6, the driving gear 2 is provided with a position limiting plate 201 on the upper and lower end surfaces thereof for limiting the driving gear 2 itself in the holding bracket 3 and reducing the axial and radial runout of the internal tooth saw blade 1 driven by the driving gear 2.
Referring to fig. 5, the adjustment lever 8 includes: angle rod 801, angle threaded rod 802, and threaded sleeve 803; the threaded sleeve 803 is sleeved outside the angle rod 801 and the angle threaded rod 802, one end of the threaded sleeve is matched with the angle threaded rod 802, and the other end of the threaded sleeve is rotationally matched with the angle rod 801; the other end of the angle rod 801 is hinged with a lifting lug 401 arranged on the front side of the mounting seat 4, and the other end of the angle threaded rod 802 is hinged with a hanging lug 3012 arranged on the outer side surface of the upper cover plate 301; the whole length of the threaded sleeve 803 and the angle threaded rod 802 is changed by screwing the threaded sleeve 803, so that the clamping bracket 3 is pushed and pulled to drive the internal tooth saw blade 1 to swing, and the function of adjusting the cutting angle is realized; when the angle of the saw blade is adjusted, the length of the whole adjusting rod 8 is lengthened and shortened by rotating the thread bush 803, and the angle of the internal tooth saw blade 1 is adjusted by changing the length of the adjusting rod 8.
Claims (6)
1. An adjustable angle eccentrically mounted saw blade comprising: the device comprises an internal tooth saw blade (1), a driving gear (2), a clamping bracket (3), a mounting seat (4), a transmission shaft (5), a universal joint (6), a gear shaft (7) and an adjusting rod (8); a round hole (102) is formed in the center of the internal tooth saw blade (1), two end faces of the internal tooth saw blade are provided with symmetrical concentric sliding grooves (101), and the inner side of the round hole (102) is of a rack structure; the mounting seat (4) is fixedly mounted on the motor box body, and the mounting seat (4) is rotatably provided with a transmission shaft (5); the upper end of the transmission shaft (5) is fixedly connected with a motor shaft, and the lower end of the transmission shaft is fixedly connected with a universal joint (6); the lower end of the universal joint (6) is fixedly connected with a gear shaft (7), and the gear shaft (7) penetrates through the clamping bracket (3) and is coaxially and fixedly installed with the driving gear (2); the driving gear (2) is meshed with a rack structure on the internal tooth saw blade (1), and the internal tooth saw blade (1) rotates along with the rotation of the driving gear (2); the clamping bracket (3) is rotatably connected with the mounting seat (4), the driving gear (2) and the internal tooth saw blade (1) are clamped inside the clamping bracket, and the radial distance between the clamping bracket (3) and the internal tooth saw blade (1) is kept relatively unchanged by matching a guide wheel shaft (302) on the clamping bracket with concentric sliding grooves (101) on two sides of the internal tooth saw blade (1); one end of the adjusting rod (8) is hinged to the mounting seat (4), and the other end of the adjusting rod is hinged to the clamping bracket (3) and used for adjusting the cutting angle of the internal tooth saw blade (1);
the motor is started, the transmission shaft (5) rotates, the driving gear (2) also synchronously rotates under the connection of the universal joint (6) and the gear shaft (7), and the internal tooth saw blade (1) is driven to rotate to realize the cutting function.
2. An adjustable angle eccentrically mounted saw blade according to claim 1, characterized in that the clamping bracket (3) further comprises: the upper cover plate (301) and the lower cover plate (303) are positioned on two sides of the driving gear (2) and the internal tooth saw blade (1), and the upper end and the lower end of the gear shaft (7) are respectively in rotary connection with the upper cover plate (301) and the lower cover plate (303); the outer side surface of the upper cover plate (301) is provided with a vertical seat (3011) which is hinged with the mounting seat (4) through a pin shaft; the guide wheel shafts (302) are uniformly distributed on the inner side surfaces of the upper cover plate (301) and the lower cover plate (303) corresponding to the concentric sliding grooves (101) on the two sides of the internal tooth saw blade (1) respectively and used for reducing the axial and radial jumping amounts of the internal tooth saw blade (1) driven by the driving gear (2); the upper cover plate (301) and the lower cover plate (303) are fastened through bolts.
3. An adjustable angle eccentrically mounted saw blade according to claim 2, characterized in that the idler shafts (302) are mounted in two groups side by side, are in sliding contact with the side walls of the concentric slide groove (101), and are provided with three groups on the upper cover plate (301) and the lower cover plate (303), respectively.
4. An adjustable angle eccentrically mounted saw blade according to claim 3, characterized in that the gap between the end surface of the idler shaft (302) and the ground of the concentric chute (101) is 0.1-0.5mm after the upper cover plate (301) and the lower cover plate (303) are fastened.
5. An adjustable angle eccentrically mounted saw blade according to claim 2, characterized in that the upper and lower end faces of the driving gear (2) are provided with limit plates (201) for limiting the driving gear (2) itself in the holding bracket (3) and reducing the axial and radial play of the internal toothed saw blade (1) driven by the driving gear (2).
6. An adjustable angle eccentrically mounted saw blade according to claim 1, characterized in that the adjusting lever (8) comprises: an angle rod (801), an angle threaded rod (802) and a threaded sleeve (803); the threaded sleeve (803) is sleeved outside the angle rod (801) and the angle threaded rod (802), one end of the threaded sleeve is matched with the angle threaded rod (802), and the other end of the threaded sleeve is rotationally matched with the angle rod (801); the other end of the angle rod (801) is hinged with a lifting lug (401) arranged on the front side of the mounting seat (4), and the other end of the angle threaded rod (802) is hinged with a hanging lug (3012) arranged on the outer side surface of the upper cover plate (301); and the whole length of the threaded sleeve (803) and the angle threaded rod (802) is changed by screwing the threaded sleeve (803), so that the clamping bracket (3) is pushed and pulled to drive the internal tooth saw blade (1) to swing, and the function of adjusting the cutting angle is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110229392.9A CN112829077B (en) | 2021-03-02 | 2021-03-02 | Angle-adjustable eccentrically-mounted saw blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110229392.9A CN112829077B (en) | 2021-03-02 | 2021-03-02 | Angle-adjustable eccentrically-mounted saw blade |
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| Publication Number | Publication Date |
|---|---|
| CN112829077A true CN112829077A (en) | 2021-05-25 |
| CN112829077B CN112829077B (en) | 2022-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110229392.9A Active CN112829077B (en) | 2021-03-02 | 2021-03-02 | Angle-adjustable eccentrically-mounted saw blade |
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| Country | Link |
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| CN (1) | CN112829077B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116277518A (en) * | 2023-02-15 | 2023-06-23 | 浙江赛力智能制造有限公司 | Intelligent grooving machine capable of forming V-shaped notch |
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| CN200963714Y (en) * | 2006-10-16 | 2007-10-24 | 南京德朔实业有限公司 | Reciprocating saw with wobbly saw bit |
| CN203459739U (en) * | 2013-08-02 | 2014-03-05 | 禄劝彝族苗族自治县粉碎机制造厂 | Angle steel cutting device |
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| KR20180129497A (en) * | 2017-05-26 | 2018-12-05 | 박철호 | hand tremor aid instrument by tilt sensing |
| CN109531351A (en) * | 2018-11-27 | 2019-03-29 | 张淑玲 | A kind of preparation facilities of computer plate |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10124437A1 (en) * | 2001-05-18 | 2002-11-21 | Bosch Gmbh Robert | Portable electrical hand tool, e.g. precision cutting saw etc. has additional take-off shaft for connection to drill chuck, for conversion to drill |
| CN200963714Y (en) * | 2006-10-16 | 2007-10-24 | 南京德朔实业有限公司 | Reciprocating saw with wobbly saw bit |
| CN203459739U (en) * | 2013-08-02 | 2014-03-05 | 禄劝彝族苗族自治县粉碎机制造厂 | Angle steel cutting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116277518A (en) * | 2023-02-15 | 2023-06-23 | 浙江赛力智能制造有限公司 | Intelligent grooving machine capable of forming V-shaped notch |
| CN116277518B (en) * | 2023-02-15 | 2024-04-05 | 浙江赛力智能制造有限公司 | Intelligent grooving machine capable of forming V-shaped notch |
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| Publication number | Publication date |
|---|---|
| CN112829077B (en) | 2022-09-02 |
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Effective date of registration: 20220815 Address after: 063300 Fengnan Economic Development Zone, Tangshan City, Hebei Province Applicant after: Hebei Guanshi Automation Technology Co.,Ltd. Address before: 066000 Room 202, the second experimental building, oumei college, Qinhuangdao City, Hebei Province Applicant before: Zhang Shuling |
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