CN212634359U - Motor frame rough turning knife poking processing clamp - Google Patents
Motor frame rough turning knife poking processing clamp Download PDFInfo
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- CN212634359U CN212634359U CN202021132514.XU CN202021132514U CN212634359U CN 212634359 U CN212634359 U CN 212634359U CN 202021132514 U CN202021132514 U CN 202021132514U CN 212634359 U CN212634359 U CN 212634359U
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Abstract
The utility model belongs to the technical field of the anchor clamps technique and specifically relates to a motor frame rough turning sword is disclosed and is processed anchor clamps, and it includes three-jaw chuck, three-jaw chuck includes chuck body and three jack catch that can follow chuck body radial movement simultaneously, the top that the jack catch is close to chuck body the central axis one end all is equipped with the breach, the top side of jack catch is equipped with the backup pad, the backup pad is equipped with the supporting component who is used for supporting the motor frame. The utility model discloses the effect that has does: the motor base can be integrally supported, and the phenomenon that the motor base is inclined during processing to cause inaccurate processing size is prevented.
Description
Technical Field
The utility model belongs to the technical field of the anchor clamps technique and specifically relates to a motor frame rough turning sword is disclosed and is processed anchor clamps.
Background
At present, when a motor base 4 with a circular cross section as shown in fig. 1 is machined, a traditional machining method is to clamp a cylindrical blank of the motor base 4 through a three-jaw chuck on a lathe, firstly, a first spigot 41 and a reference end face a are machined at one end of the motor base 4, then, the motor base 4 is turned around, positioning is carried out through the first spigot 41 and the end face a, and then, a second spigot 44, a core milling stop inner hole 42 and an end face B are machined.
The existing processing mode of poking a knife applied to a vertical numerical control lathe can effectively solve the problem that the coaxiality of a plurality of holes formed by processing two ends is poor, a reference end face A and a process excircle end 43 located at the reference end face A are processed before poking a rough turning knife, then the process excircle end 43 is clamped through a clamp, and then knife poking processing of the other end face B, a second spigot 44, a milling core stop inner hole 42 and a first spigot 41 is carried out from top to bottom.
The above prior art solutions have the following drawbacks: the existing clamp is usually a three-jaw chuck, the jaw 2 of the three-jaw chuck clamps the process excircle end 43 during clamping, only the process excircle end 43 is stressed during processing, and when one end far away from the process excircle end 43 is poked with a knife, the acting force applied to the end easily causes the blank to incline, thereby causing the inaccurate processing size.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a not enough to prior art exists, the utility model aims at providing a processing anchor clamps is disclosed to frame rough turning quire, it can carry out holistic centre gripping and support to the blank of motor frame, avoids the blank to take place to incline and cause the machining dimension inaccurate when the quire is disclosed processing man-hour.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a motor frame rough turning a knife is disclosed adds clamping apparatus, includes three-jaw chuck, three-jaw chuck includes the chuck body and three jack catch that can follow chuck body radial movement simultaneously, the top that the jack catch is close to chuck body the central axis one end all is equipped with the breach, the top side of jack catch is equipped with the backup pad, the backup pad is equipped with the supporting component who is used for supporting the motor frame.
Through adopting above-mentioned technical scheme, it is tight with the technology excircle tip of motor frame to use three-jaw chuck earlier, three-jaw chuck can play support and limiting displacement to the technology excircle tip of motor frame, then it promotes V type piece to be close to motor frame to rotate the screw rod, and make the global butt at another tip place of V type piece and motor frame, the backup pad can play support and fixed effect to another tip of motor frame, consequently this motor frame rough turning sword is disclosed and is processed anchor clamps and can play holistic supporting role to motor frame, prevent that it from taking place to incline when adding and make the machining dimension inaccurate.
The present invention may be further configured in a preferred embodiment as: the maximum distance from one side of the notch close to the central axis of the chuck body to the central axis is smaller than the radius of the motor base.
Through adopting above-mentioned technical scheme, the jack catch of three-jaw chuck opens the biggest position, and when the motor frame fell into breach department from the top side of jack catch, the motor frame also can not fall into in the gap in the middle of the three jack catch, consequently improves the efficiency of clamping when can pressing from both sides tightly.
The present invention may be further configured in a preferred embodiment as: one side of the notch, which is far away from the central axis of the chuck body, is an arc-shaped surface, and the radian of the arc-shaped surface is matched with the excircle of the end part of the process excircle.
By adopting the technical scheme, the arc-shaped surface of the notch can be attached to the end part of the outer circle of the process when the motor base is clamped, the stress area of the clamping jaw is increased by the arc-shaped surface, and the motor base is more stable and reliable to install.
The present invention may be further configured in a preferred embodiment as: the backup pad including be on a parallel with the chuck body the central axis vertical board with the base that the tip of vertical board extends the formation to keeping away from chuck body central axis one side, supporting component is located vertical board, the base can be dismantled with the jack catch and be connected.
Through adopting above-mentioned technical scheme, can pull down the backup pad, be convenient for maintain and maintain its supporting component.
The present invention may be further configured in a preferred embodiment as: the supporting assembly comprises a V-shaped block and a screw, the V-shaped block is abutted to the motor base, the screw drives the V-shaped block to move along the radial direction of the chuck body, the vertical plate is provided with a thread through hole corresponding to the screw, and one end of the screw penetrates through the thread through hole to be connected with the V-shaped block.
Through adopting above-mentioned technical scheme, the accessible rotates the screw rod and makes V type piece be close to the motor frame when pressing from both sides to make V type piece support and support it on the motor frame, V type piece has fine centre gripping effect to the solid of revolution, can make the installation of motor frame more firm.
The present invention may be further configured in a preferred embodiment as: the V-shaped block is provided with a T-shaped hole, the screw rod penetrates into the T-shaped hole and is provided with a limiting portion at the end portion, a spring is sleeved on the screw rod, one end of the spring is abutted against one side, far away from the central axis of the chuck body, of the limiting portion, and the other end of the spring is abutted against one side, close to the central axis of the chuck body, of the vertical plate.
By adopting the technical scheme, when the clamping is not carried out, the spring is in a compressed state to support the V-shaped block, so that the V-shaped block is prevented from randomly rotating on the screw rod; when the clamping device is used for clamping and mounting, the screw rod is rotated to enable the compression amount of the spring to be gradually reduced until the V-shaped block abuts against the motor base, and after the V-shaped block and the motor base start to contact, the V-shaped block can be adaptively adjusted, so that the V-shaped block is opposite to the motor base, and the clamping stability is guaranteed.
The present invention may be further configured in a preferred embodiment as: and a lever used for rotating the screw rod is arranged at one end of the screw rod, which is far away from the central axis of the chuck body, and self-locking parts are arranged at two ends of the lever.
By adopting the technical scheme, the lever can enable the screw to rotate more laborsavingly, and the self-locking part can prevent the lever from falling off from the screw.
The present invention may be further configured in a preferred embodiment as: the base is connected with the clamping jaw through a bolt, a threaded counter bore corresponding to the bolt is formed in the top side of the clamping jaw, and a clamping groove for the bolt to penetrate through is formed in the base.
Through adopting above-mentioned technical scheme, through the cooperation of bolt and screw thread counter bore, realized the dismantlement connected mode of base with the jack catch, it is firm reliable, difficult not hard up.
The present invention may be further configured in a preferred embodiment as: the clamping groove comprises a large end corresponding to the head of the bolt and a small end corresponding to the rod part of the bolt, the large end is communicated with the small end, and the diameter of the communicating section is equal to that of the small end
By adopting the technical scheme, when the supporting plate is assembled and disassembled, the bolt is only required to be unscrewed and is not required to be completely unscrewed, then the base is slid towards the direction far away from the central axis of the chuck body, the large end of the clamping groove of the base is positioned at the position of the head of the bolt, and the supporting plate can be taken out by lifting upwards; during installation, the support plate falls down from the top side of the clamping jaw, the head of the bolt penetrates through the large end of the clamping groove, then the base slides towards the direction close to the central axis of the chuck body, the bolt is located at the small end of the clamping groove, and the nut is screwed up to realize fixation, convenience and rapidness.
The present invention may be further configured in a preferred embodiment as: the top side of jack catch is equipped with the grafting post, the grafting post passes the base, and the grafting post is equipped with the jack along the radial of chuck body, the base is equipped with and is used for spacing grafting piece with the jack cooperation, the grafting piece is equipped with the shifting block that is used for stirring the grafting piece in the top side of base, and the base is equipped with the slide rail that is used for grafting piece and shifting block to remove.
By adopting the technical scheme, when the supporting plate is installed, the shifting block is shifted to enable the inserting block to be positioned at one end of the sliding rail, then the supporting plate falls down from the top side of the clamping jaw, the inserting column penetrates through the base, and then the shifting block is shifted to enable the inserting block to be inserted into the inserting hole to be fixed; when the plug-in block is detached, the shifting block is shifted to enable the plug-in block to be separated from the jack, then the support plate is lifted upwards, and the support plate can be detached conveniently and quickly.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the three-jaw chuck can support and limit the technical excircle end of the motor base, and the support plate can support and fix the other end of the motor base, so that the clamp can support the motor base integrally and prevent the motor base from inclining to cause inaccurate machining size during machining;
2. the base is detachably connected with the clamping jaws, so that the supporting plate can be conveniently detached to maintain the supporting component;
3. through setting up the lever, the lever can regard as the extension arm of force that rotates the screw rod, makes the rotation of screw rod more laborsaving, and work efficiency when pressing from both sides tightly is higher.
Drawings
Fig. 1 is a schematic structural diagram of a conventional motor base;
fig. 2 is a schematic overall structure diagram of a first embodiment of the present invention;
FIG. 3 is a schematic view of the connection of the clamping jaws and the supporting plate in the first embodiment;
FIG. 4 is an enlarged view of section H of FIG. 2;
fig. 5 is a schematic view of the overall structure of the second embodiment of the present invention;
FIG. 6 is a schematic view showing the connection between the claws and the support plate in the second embodiment.
In the figure: 1. a support plate; 11. a vertical plate; 111. perforating the threads; 12. a base; 121. a bolt; 122. a card slot; 123. A slide rail; 124. an insertion block; 125. shifting blocks; 2. A claw; 21. a notch; 22. Inserting the column; 3. A support assembly; 31. a V-shaped block; 311. a T-shaped hole; 32. a screw; 321. a limiting part; 322. a spring; 33. A lever; 331. an auto-lock portion; 4. a motor base; 41. a first spigot; 42. milling an inner hole of the core rail; 43. processing the end part of the excircle; 44. and a second spigot.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example one
Referring to fig. 2, for the utility model discloses a machining anchor clamps are disclosed to motor frame rough turning quire, including three-jaw chuck, three-jaw chuck includes chuck body and three jack catch 2 that can follow chuck body radial movement simultaneously, and three jack catch 2 all is equipped with breach 21 near the top of chuck body the central axis one end, and the bottom surface of breach 21 is the horizontally plane. When clamping, the reference end face A of the motor base 4 is abutted against the bottom surface of the notch 21, and then the three claws 2 are used for clamping and locking the technical excircle end 43 of the motor base 4, so that the three-claw chuck can support and limit the motor base 4.
The top side of jack catch 2 is equipped with backup pad 1, and backup pad 1 includes the tip of the vertical board 11 that is on a parallel with the chuck body central axis and vertical board 11 to keeping away from chuck body central axis one side and extending the base 12 that forms, and base 12 can dismantle with jack catch 2 and be connected. The vertical plate 11 is a square plate, the vertical plate 11 is provided with a supporting component 3 for supporting the motor base 4, and the three vertical plates 11 are all tangent to the same base circle which takes the central axis of the chuck body as the center of a circle. When clamping, the jack catch 2 is used for locking the technical excircle end 43 of the motor base 4, and then the supporting component 3 on the supporting plate 1 is abutted against the circumferential surface of the other end of the motor base 4, so that the end, far away from the technical excircle end 43, of the motor base 4 is supported and fixed. Therefore, the rough turning and poking clamp for the motor base can play an integral supporting role for the motor base 4 when rough turning, and prevents the motor base from inclining to cause inaccurate processing size when processing. After the use, the supporting plate 1 can be detached, so that the supporting component can be maintained conveniently.
Referring to fig. 2, the maximum distance from the central axis of the chuck body to one side of the notch 21 is smaller than the radius of the motor base 4. The clamping jaws 2 of the three-jaw chuck are opened to the maximum position, and when the motor base 4 falls into the notches 21 from the top sides of the clamping jaws 2, the motor base 4 cannot fall into gaps among the three clamping jaws 2, so that the clamping efficiency can be improved during clamping.
One side of the notch 21 far away from the central axis of the chuck body is an arc-shaped surface C, and the radian of the arc-shaped surface C is matched with the excircle of the technical excircle end part 43. Therefore, the arc-shaped surface C of the notch 21 can be attached to the outer circle end 43 of the process when the clamping is carried out, the stress area of the clamping jaw 2 is increased by the arc-shaped surface C, and the motor base 4 is more stable and reliable to mount.
Referring to fig. 3, the support assembly 3 includes a V-block 31 for abutting against the motor base 4 and a screw 32 for driving the V-block 31 to move in a radial direction of the chuck body, the vertical plate 11 is provided with a threaded through-hole 111 corresponding to the screw 32, and one end of the screw 32 is connected to the V-block 31 through the threaded through-hole 111. When clamping, the screw 32 can be rotated to enable the V-shaped block 31 to approach the motor base 4, the V-shaped block 31 is abutted against the motor base 4 to support the motor base 4, the V-shaped block 31 has a good clamping effect on a revolving body, and the motor base 4 can be more stably installed.
The V-shaped block 31 is provided with a T-shaped hole 311, the T-shaped hole 311 is a cylindrical cavity, the screw 32 extends into the T-shaped hole 311 and is provided with a limiting portion 321 at the end portion, the limiting portion 321 is a disc matched with the large end of the T-shaped hole 311, the screw 32 is sleeved with a spring 322, one end of the spring 322 abuts against one side, away from the central axis of the chuck body, of the limiting portion 321, and the other end of the spring 322 abuts against one side, close to the central axis of the chuck body, of the vertical plate 11. When the clamping is not carried out, the spring 322 is in a compressed state to support the V-shaped block 31, so that the V-shaped block is prevented from freely rotating on the screw rod 32; when clamping, the screw 32 is rotated to gradually reduce the compression amount of the spring 322 until the V-shaped block 31 abuts against the motor base 4, and after the V-shaped block 31 and the motor base 4 start to contact, the V-shaped block 31 can be adaptively adjusted, so that the V-shaped block 31 is opposite to the motor base 4, and the clamping stability is ensured.
A section of the screw 32, which is far away from the central axis of the chuck body, is provided with a through hole, a lever 33 is arranged in the through hole, the lever 33 is a round rod with the diameter smaller than that of the through hole, and the lever 33 can be used as a lengthened force arm for rotating the screw 32, so that the rotation of the screw 32 is more labor-saving. The two ends of the lever 33 are provided with self-locking portions 331, the self-locking portions 331 are spheres with diameters larger than that of the through holes, and the self-locking portions 331 can prevent the lever 33 from jumping out of the through holes.
Referring to fig. 3, the base 12 is connected with the jaw 2 through a bolt 121, a threaded counter bore corresponding to the bolt 121 is formed in the top side of the jaw 2, and a clamping groove 122 for the bolt 121 to pass through is formed in the base 12. Referring to fig. 4, the locking groove 122 includes a large end corresponding to the head of the bolt 121 and a small end corresponding to the shaft of the bolt 121, the large end is communicated with the small end, the diameter of the communicating section is equal to that of the small end, and a central connecting line of the large end and the small end of the locking groove 122 is perpendicular to the central axis of the three-jaw chuck.
When the support plate 1 is assembled and disassembled, the bolt 121 is only required to be unscrewed and is not required to be completely unscrewed, then the base 12 slides towards the direction away from the central axis of the chuck body, the large end of the clamping groove 122 of the base 12 is positioned at the head of the bolt 121, and the support plate 1 can be taken out by lifting upwards; during installation, the support plate 1 falls down from the top side of the clamping jaw 2, the head of the bolt 121 penetrates through the large end of the clamping groove 122, then the base 12 slides towards the direction close to the central axis of the chuck body, the bolt 121 is located at the small end of the clamping groove 122, and the bolt 121 is screwed down to realize fixation, so that the fixing is convenient and fast.
The implementation principle of the embodiment is as follows: when the support plate 1 is installed, the bolt 121 is screwed into 2-3 teeth for pre-tightening, then the support plate 1 falls down from the top side of the clamping jaw 2, the head of the bolt 121 penetrates through the large end of the clamping groove 122, then the base 12 slides to enable the bolt 121 to be located at the small end of the clamping groove 122, and the bolt 121 is screwed down to achieve fixing, so that the fixing is convenient and fast. When the motor base 4 is clamped, the end face A of the motor base 4 is abutted against the bottom face of the notch 21, then the process excircle end 43 of the motor base 4 is clamped and locked by the three clamping jaws 2, the arc face C of the notch 21 is attached to the process excircle end 43, the notch 21 can support and limit the process excircle end 43 of the motor base 4, then the screw rod 32 is rotated to push the V-shaped block 31 to approach the motor base 4, the peripheral face where the V-shaped block 31 and the other end of the motor base 4 are abutted, and the supporting plate 1 can support and fix the other end of the motor base 4, so that the rough turning and poking processing clamp of the motor base can support the motor base 4 integrally and prevent the motor base from inclining to cause inaccurate processing size during processing.
Example two
Referring to fig. 5, for the utility model discloses a another kind of motor frame rough turning sword is disclosed and is poked the adds clamping apparatus, the difference of this embodiment and embodiment one lies in: the top side of the clamping jaw 2 is provided with an insertion column 22, the insertion column 22 penetrates through the base 12, the insertion column 22 is provided with an insertion hole along the radial direction of the clamping jaw body, the base 12 is provided with an insertion block 124 matched with the insertion hole for limiting, the insertion block 124 is provided with a shifting block 125 used for shifting the insertion block 124 on the top side of the base 12, and the base 12 is provided with a sliding rail 123 used for moving the insertion block 124 and the shifting block 125. When the support plate 1 is installed, the shifting block 125 is shifted to enable the inserting block 124 to be located at one end of the sliding rail 123, then the support plate 1 falls down from the top side of the clamping jaw 2, the inserting column 22 penetrates through the base 12, and then the shifting block 125 is shifted to enable the inserting block 124 to be inserted into the inserting hole to be fixed; when the support plate is detached, the shifting block 125 is shifted to enable the inserting block 124 to be separated from the inserting hole, and then the support plate 1 is lifted upwards to detach the support plate 1, so that the support plate is convenient and fast to detach.
The implementation principle of the embodiment is as follows: when the installation of backup pad 1 is carried out, stir shifting block 125 and make grafting block 124 be located the one end of slide rail 123, then fall down backup pad 1 from the top side of jack catch 2 to make grafting post 22 pass base 12, then stir shifting block 125 and make grafting block 124 insert and realize fixing, convenient and fast in the jack. When the motor base 4 is clamped, the end face A of the motor base 4 is abutted against the notch face of the notch 21, then the technical excircle end 43 of the motor base 4 is clamped and locked by using the three-jaw chuck, the arc face C of the notch 21 is attached to the technical excircle end 43, the notch 21 can support and limit the technical excircle end 43 of the motor base 4, then the screw rod 32 is rotated to push the V-shaped block 31 to approach the motor base 4, the V-shaped block 31 is abutted against the peripheral face where the other end of the motor base 4 is located, and the support plate 1 can support and fix the other end of the motor base 4, so that the rough turning and one-knife poking processing clamp for the motor base can support the motor base 4 integrally and prevent the machining size from being inaccurate due to the inclination during machining.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (10)
1. The utility model provides a motor frame rough turning a knife is disclosed and is processed anchor clamps, includes three-jaw chuck, three-jaw chuck includes chuck body and three jack catch (2) that can follow chuck body radial movement simultaneously, its characterized in that: the top that jack catch (2) are close to chuck body central axis one end all is equipped with breach (21), the top side of jack catch is equipped with backup pad (1), backup pad (1) are equipped with supporting component (3) that are used for supporting motor frame (4).
2. The rough turning and barrel punching clamp for the motor base as claimed in claim 1, wherein: the maximum distance from one side of the notch (21) close to the central axis of the chuck body to the central axis is smaller than the radius of the motor base (4).
3. The rough turning and barrel punching clamp for the motor base as claimed in claim 2, wherein: one side of the notch (21) far away from the central axis of the chuck body is an arc-shaped surface, and the radian of the arc-shaped surface is matched with the excircle of the end part (43) of the process excircle.
4. The rough turning and barrel punching clamp for the motor base as claimed in claim 1, wherein: the supporting plate (1) comprises a vertical plate (11) parallel to the central axis of the chuck body and a base (12) formed by extending the end part of the vertical plate (11) to one side of the central axis of the chuck body away from the supporting plate, the supporting component (3) is positioned on the vertical plate (11), and the base (12) is detachably connected with the clamping jaw (2).
5. The motor base rough turning and barrel machining clamp as claimed in claim 4, wherein: the supporting assembly (3) comprises a V-shaped block (31) abutted to the motor base (4) and a screw (32) for driving the V-shaped block (31) to move along the radial direction of the chuck body, the vertical plate (11) is provided with a thread through hole (111) corresponding to the screw (32), and one end of the screw (32) penetrates through the thread through hole (111) to be connected with the V-shaped block (31).
6. The motor base rough turning and barrel machining clamp as claimed in claim 5, wherein: v type piece (31) are equipped with T type hole (311), screw rod (32) are gone deep into in T type hole (311) and are equipped with spacing portion (321) at the tip, the cover is equipped with spring (322) on screw rod (32), the one end of spring (322) is supported and is leaned on spacing portion (321) and keep away from one side of chuck body the central axis, and the other end of spring (322) supports and leans on one side that vertical board (11) are close to chuck body the central axis.
7. The motor base rough turning and barrel machining clamp as claimed in claim 6, wherein: and one end of the screw rod (32), which is far away from the central axis of the chuck body, is provided with a lever (33) for rotating the screw rod (32), and two ends of the lever (33) are provided with self-locking parts (331).
8. The motor base rough turning and barrel machining clamp as claimed in claim 4, wherein: the clamping jaw (2) is connected with the base (12) through a bolt (121), a threaded counter bore corresponding to the bolt (121) is formed in the top side of the clamping jaw (2), and a clamping groove (122) for the bolt (121) to penetrate through is formed in the base (12).
9. The rough turning and barrel punching clamp for the motor base as claimed in claim 8, wherein: the clamping groove (122) comprises a large end corresponding to the head of the bolt (121) and a small end corresponding to the rod of the bolt (121), the large end is communicated with the small end, and the diameter of the through section is equal to that of the small end.
10. The motor base rough turning and barrel machining clamp as claimed in claim 4, wherein: the clamping jaw is characterized in that a plug-in column (22) is arranged on the top side of the clamping jaw (2), the plug-in column (22) penetrates through the base (12), a jack is arranged on the plug-in column (22) along the radial direction of the clamping jaw body, a plug-in block (124) matched with the jack and used for limiting is arranged on the base (12), a shifting block (125) used for shifting the plug-in block (124) is arranged on the top side of the base (12) of the plug-in block (124), and a sliding rail (123) used for moving the plug-in block (124) and the shifting block (125) is arranged on the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021132514.XU CN212634359U (en) | 2020-06-17 | 2020-06-17 | Motor frame rough turning knife poking processing clamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021132514.XU CN212634359U (en) | 2020-06-17 | 2020-06-17 | Motor frame rough turning knife poking processing clamp |
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| CN212634359U true CN212634359U (en) | 2021-03-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112873147A (en) * | 2021-03-11 | 2021-06-01 | 上海杭和智能科技有限公司 | Clamping device and clamping method for machining cylindrical parts |
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2020
- 2020-06-17 CN CN202021132514.XU patent/CN212634359U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112873147A (en) * | 2021-03-11 | 2021-06-01 | 上海杭和智能科技有限公司 | Clamping device and clamping method for machining cylindrical parts |
| CN112873147B (en) * | 2021-03-11 | 2024-04-30 | 上海杭和智能科技有限公司 | Clamping device and clamping method for cylindrical part machining |
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