CN215748377U - Combined grinding machine grooving station fixture mechanism and grinding machine - Google Patents
Combined grinding machine grooving station fixture mechanism and grinding machine Download PDFInfo
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- CN215748377U CN215748377U CN202122360508.0U CN202122360508U CN215748377U CN 215748377 U CN215748377 U CN 215748377U CN 202122360508 U CN202122360508 U CN 202122360508U CN 215748377 U CN215748377 U CN 215748377U
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Abstract
The application discloses combination grinding machine fluting station fixture mechanism and grinding machine. The clamp mechanism includes: the positioning device comprises a main positioning component, an auxiliary positioning component, a first supporting block, a second supporting block, a third supporting block and a third supporting block, wherein the main positioning component is used for arranging the first supporting block on a supporting piece, the first supporting block is provided with a first groove, the auxiliary positioning component is used for arranging the second supporting block on a fine adjustment component, the second supporting block is provided with a second groove, a standard component is selected for adjusting the positions of the main positioning component and the auxiliary positioning component, and when a handle part is placed on the first supporting block and completely attached to the surface of the first groove, the standard component is provided with a first central axis; when the processing part is placed on the second supporting block and completely attached to the surface of the second groove, the standard part is provided with a second central axis; the position of the second supporting block is adjusted by the fine adjustment assembly, so that the first central axis is overlapped with the second central axis, the subsequent workpieces to be placed can be accurately positioned, and the manufacturing precision of the workpieces is improved.
Description
Technical Field
The disclosure generally relates to the technical field of grinding machine processing, in particular to a combined grinding machine slotting station fixture mechanism and a grinding machine.
Background
With the widespread use of drill bits, the precision requirements and manufacturing economy of such tools are also increasing.
The process route of the traditional method is as follows: the outer circle rough grinding, the outer circle fine grinding, the slotting and the edge cleaning are generally adopted to grind the outer diameter of the drill bit, and after the outer circle fine grinding is finished, a part of spiral cylindrical surface is reserved through the slotting and the edge cleaning to form an edge of the drill bit; the bit edge width is about 1/10 the bit diameter.
However, the existing fixture mechanism can only be suitable for drill bits with a certain size, and cannot accurately position the drill bits with different specifications, so that the problems of low manufacturing precision and poor machining quality of the drill bits are easily caused in the machining process. Accordingly, there is a need for an improved clamping mechanism.
Disclosure of Invention
In view of the above-mentioned defects or shortcomings in the prior art, it is desirable to provide a combined grinding machine grooving station clamp mechanism and a grinding machine, which have the advantages of accurate positioning of a workpiece, good grooving and edge cleaning functions, improved workpiece manufacturing precision, simple structure and easy implementation.
In a first aspect, the application provides a grooving station fixture mechanism for a combined grinding machine, which is used for clamping a cylindrical workpiece, wherein the workpiece is cylindrical; the workpiece has a shank portion and a working portion aligned along a central axis; the workpiece comprises a standard part; the clamp mechanism includes:
the main positioning assembly comprises a support and a first supporting block arranged on the support, and the first supporting block is provided with a first groove for placing a handle of the workpiece; when the standard shank is placed on the first support block and fully engaged with the surface of the first groove, the standard has a first central axis;
the auxiliary positioning assembly comprises a fine adjustment assembly and a second supporting block arranged on the fine adjustment assembly, and the second supporting block is provided with a second groove for placing the processing part of the workpiece; when the processing part of the standard part is placed on the second supporting block and completely attached to the surface of the second groove, the standard part is provided with a second central axis;
the fine adjustment assembly is used for adjusting the position of the second supporting block, so that the first central axis is coincident with the second central axis.
According to the technical scheme provided by the embodiment of the application, the supporting piece comprises:
a first support seat is arranged on the base plate,
the first base is arranged on the first support and used for mounting the first support block;
the first fine tuning baffle is arranged on the first support; a first thread pair is arranged on the side wall of the first fine tuning baffle, and the adjusting end of the first thread pair is hinged with the first base;
adjusting the position of the first base through the first thread pair along a first direction; the first direction is perpendicular to the first central axis.
According to the technical scheme provided by the embodiment of the application, the side wall of the first base is provided with a first adjusting pad used for assisting in adjusting the position of the first base in the first direction;
a second adjusting pad is arranged at the bottom of the first base and used for assisting in adjusting the position of the first base in the second direction;
the second direction is perpendicular to the first direction and the first central axis.
According to the technical scheme provided by the embodiment of the application, the fine adjustment assembly comprises:
the second support is arranged adjacent to the first support;
the second fine tuning baffle is arranged on the second support; a second thread pair is arranged on the side wall of the second fine tuning baffle, and a second base is installed at the adjusting end of the second thread pair;
adjusting the position of the second base along the first direction through the second thread pair;
the third fine tuning baffle is arranged on the second base; a third thread pair is arranged on the side wall of the third fine tuning baffle, and a slide way which is vertical to the first base is arranged at the adjusting end of the third thread pair; the slideway is used for providing a moving path for the second supporting block;
adjusting the position of the slideway through the third thread pair along a third direction;
the third direction is arranged parallel to the second central axis.
According to the technical scheme that this application embodiment provided, the second support lateral wall with the slide lateral wall is equipped with heavy elasticity plunger respectively.
According to the technical scheme provided by the embodiment of the application, the method further comprises the following steps: and the compression assembly is arranged adjacent to the main positioning assembly.
According to the technical scheme provided by the embodiment of the application, the pressing component comprises:
the base is arranged on one side, away from the first thread pair, of the first support; the base is provided with a through hole;
the snake-shaped pressing piece is arranged on the base; the snake-shaped pressing piece is provided with a pressing part;
the driving cylinder is positioned at the bottom of the base; an output shaft of the driving cylinder penetrates through the through hole and is hinged with the snake-shaped pressing piece;
the snake-shaped pressing piece is driven to move by the driving cylinder, so that the pressing part can abut against the surface of the handle part to match with the first supporting block to fix the position of the handle part.
According to the technical scheme that this application embodiment provided, snakelike compressing member includes:
the third support and the connecting block are arranged on the base; the third support is arranged close to the first support relative to the connecting block; an extension bar is arranged at the bottom of the connecting block and can penetrate through the through hole to be hinged with an output shaft of the driving cylinder;
one end of each swing rod is hinged with the third support; one end of each first connecting rod is hinged with the connecting block; one end of the pressing rod is the pressing part, and one side of the pressing rod, which is far away from the pressing part, is sequentially hinged with the free end of the swing rod and the free end of the first connecting rod;
and one end of each second connecting rod is hinged with the third support, and the other end of each second connecting rod is hinged with the connecting block.
According to the technical scheme provided by the embodiment of the application, the through hole of the base is provided with an oilless bushing.
In a second aspect, a grinding machine includes: the combined grinding machine grooving station fixture comprises a grinding machine body and the combined grinding machine grooving station fixture mechanism arranged on the grinding machine body.
In conclusion, the technical scheme specifically discloses a specific structure of a combined grinding machine slotting station clamp mechanism. The application specifically designs a main positioning component and an auxiliary positioning component which are matched for use, wherein the main positioning component utilizes a support piece as a basic bearing piece, a first supporting block is arranged on the support piece, the first supporting block is provided with a first groove and used for placing a handle part of a workpiece, the auxiliary positioning component is used for arranging a second supporting block on a fine adjustment component, and the second supporting block is provided with a second groove and used for placing a processing part of the workpiece; before the mechanism is actually used, a standard part is required to be selected to adjust the positions of the main positioning assembly and the auxiliary positioning assembly, and specifically, when the handle part of the standard part is placed on the first supporting block and completely attached to the surface of the first groove, the standard part is provided with a first central axis; when the processing part of the standard part is placed on the second supporting block and is completely attached to the surface of the second groove, the standard part is provided with a second central axis; the position of the second supporting block is adjusted by the fine adjustment assembly, so that the first central axis is overlapped with the second central axis, and at the moment, the positions of the main positioning assembly and the auxiliary positioning assembly are unchanged, so that the subsequent workpieces to be placed can be accurately positioned, and the purpose of improving the manufacturing precision of the workpieces is achieved.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic structural diagram of a grooving station fixture mechanism of a combined grinding machine.
Fig. 2 is a front view schematic diagram of a grooving station fixture mechanism of the combined grinding machine.
Fig. 3 is a side view schematic diagram of a combined grinder slotting station fixture mechanism.
Fig. 4 is a schematic top view of the jig mechanism of the grooving station of the combination grinding machine.
Reference numbers in the figures: 1. a workpiece; 2. a first support block; 3. a second support block; 4. a first support; 5. a first base; 6. a first fine tuning baffle; 7. a first pair of threads; 8. a first adjustment pad; 9. a second adjustment pad; 10. a second support; 11. a second fine tuning baffle; 12. a second pair of threads; 13. a second base; 14. a third fine tuning baffle; 15. a third thread pair; 16. a slideway; 17. a heavy duty elastomeric plunger; 18. a base; 19. a driving cylinder; 20. a third support; 21. connecting blocks; 22. a lengthening bar; 23. a swing rod; 24. a first link; 25. a pressure lever; 26. a second link; 27. an oilless bushing.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example one
Please refer to fig. 1, which is a schematic structural diagram of a first embodiment of a clamping mechanism for a slotting station of a combined grinding machine, which is provided by the present application, and is used for clamping a cylindrical workpiece 1, wherein the workpiece 1 is cylindrical; the workpiece 1 has a shank portion and a machined portion arranged along a central axis; the workpiece 1 comprises a standard part; the clamp mechanism includes:
the main positioning assembly comprises a support and a first supporting block 2 arranged on the support, and the first supporting block 2 is provided with a first groove for placing a handle of the workpiece 1; when the standard handle is placed on the first support block 2 and fully engages the surface of the first groove, the standard has a first central axis;
the auxiliary positioning assembly comprises a fine adjustment assembly and a second supporting block 3 arranged on the fine adjustment assembly, and the second supporting block 3 is provided with a second groove for placing the processing part of the workpiece 1; when the processing part of the standard part is placed on the second supporting block 3 and completely attached to the surface of the second groove, the standard part has a second central axis;
the fine adjustment assembly is used for adjusting the position of the second supporting block 3, so that the first central axis is coincident with the second central axis.
In the present embodiment, as shown in fig. 1, the workpiece 1 has a cylindrical shape, and includes a shank portion and a processing portion arranged along a central axis thereof, the shank portion being a mounting and fixing portion, and the processing portion being a processing portion; the fixture mechanism is used for clamping a cylindrical workpiece 1; here, the workpiece 1 includes a standard;
the clamp mechanism comprises a main positioning component and an auxiliary positioning component which are matched for use;
the main positioning component uses a support piece as a basic bearing piece and is used for installing the first supporting block 2; a first supporting block 2 arranged on the support, wherein the first supporting block 2 is provided with a first groove for placing a handle part of the workpiece 1;
the auxiliary positioning component adjusts the position of the second supporting block 3 by utilizing the fine adjustment component; the second supporting block 3 is arranged on the fine adjustment assembly, and the second supporting block 3 is provided with a second groove for placing a processing part of the workpiece 1;
wherein, the size of the second supporting block 3 can be changed according to the length of the processing part of the actual workpiece;
before actual use, a standard part in a workpiece needs to be selected to adjust the positions of the main positioning assembly and the auxiliary positioning assembly so as to improve the accuracy of subsequent workpiece processing; specifically, when the handle of the standard component is placed on the first supporting block 2 and completely attached to the surface of the first groove, the standard component has a first central axis; when the processing part of the standard part is placed on the second supporting block 3 and is completely attached to the surface of the second groove, the standard part has a second central axis; the position of the second supporting block 3 is adjusted by the fine adjustment assembly, so that the first central axis is overlapped with the second central axis, and at the moment, the positions of the main positioning assembly and the auxiliary positioning assembly are unchanged, so that the subsequent workpieces to be placed can be accurately positioned, and the manufacturing precision of the workpieces is improved.
Wherein, as shown in fig. 1, the supporting member includes:
the first support 4 is used as a basic bearing part of the support and is used for installing parts required by the main positioning assembly;
the first base 5 is arranged on the first support 4 and used for mounting the first support block 2;
the first fine adjustment baffle 6 is arranged on the first support 4 and used for installing a first thread pair 7;
the first thread pair 7 is arranged on the side wall of the first fine adjustment baffle 6, the adjusting end of the first thread pair 7 is hinged with the first base 5, and the position of the first base 5 along a first direction can be adjusted through the first thread pair 7, wherein the first direction is vertical to the first central axis; as shown in fig. 1, the first direction is a length direction of the first support 4, and is perpendicular to a central axis of a workpiece placed thereon;
further, the first adjusting pad 8 is arranged on the side wall of the first base 5 and used for assisting in adjusting the position of the first base 5 in the first direction, so that the situation that the adjusted first base 5 shakes during the processing process to cause workpiece dislocation and affect the processing precision of the workpiece is avoided;
the second adjusting pad 9 is arranged at the bottom of the first base 5 and is used for assisting in adjusting the position of the first base 5 in the second direction; here, the second direction is arranged perpendicular to the first direction, the first central axis; as shown in fig. 1, the second direction is a height direction of the first holder 4;
the position of the first base 5 is adjusted through the first thread pair 7, and the first adjusting pad 8 and the second adjusting pad 9 are matched to adjust the position of the first supporting block 2.
As shown in fig. 1, the fine tuning assembly includes:
the second support 10 is arranged adjacent to the first support 4, is used as a basic bearing part of the fine adjustment assembly and is used for bearing parts required by fine adjustment;
the second fine adjustment baffle 11 is arranged on the second support 10 and used for installing a second thread pair 12;
the second thread pair 12 is arranged on the side wall of the second fine adjustment baffle 11, a second base 13 is installed at the adjusting end of the second thread pair 12, and the position of the second base 13 along the first direction can be adjusted through the second thread pair 12;
a third fine adjustment baffle 14 arranged on the second base 13 and used for installing a third thread pair 15;
the third thread pair 15 is arranged on the side wall of the third fine adjustment baffle 14, a slide way 16 which is vertical to the first base 5 is arranged at the adjusting end of the third thread pair 15, and the position of the slide way 16 along the third direction can be adjusted through the third thread pair 15; here, the third direction is arranged in parallel with the second central axis; as shown in fig. 1, the third direction is the length direction of the slide 16;
and, a slide 16 for providing a moving path for the second supporting block 3 to change the position of the second supporting block 3;
the position of the second base 13 is adjusted through the second thread pair 12, and the position of the slide way 16 is adjusted by matching with the third thread pair 15, so that the position of the second supporting block 3 is adjusted.
In any preferred embodiment, the side walls of the second support 10 and the slide 16 are respectively provided with heavy-duty elastic plungers 17.
In this embodiment, the heavy-duty elastic plunger 17 is disposed on the side wall of the second support 10 and the side wall of the slideway 16, and the position of the adjusted second base 13 is fixed by the heavy-duty elastic plunger 17; the adjusted position of the second support block 3 is fixed by means of a heavy duty resilient plunger 17.
In any preferred embodiment, further comprising: and the compression assembly is arranged adjacent to the main positioning assembly.
In the present embodiment, as shown in fig. 1, a pressing assembly, disposed adjacent to the main positioning assembly, is used to fix the shank of the workpiece 1;
specifically, the hold-down assembly includes:
a base 18, which is arranged on the side of the first support 4 away from the first thread pair 7 and is used as a basic bearing part of the pressing component for installing a corresponding pressing component; moreover, the base 18 is provided with a through hole for accommodating the output shaft of the driving cylinder 19 to move freely;
a serpentine pressing member provided on the base 18 and having a pressing portion for pressing a shank portion of the workpiece;
the driving cylinder 19 is positioned at the bottom of the base 18, and an output shaft of the driving cylinder 19 penetrates through the through hole to be hinged with the snake-shaped pressing piece and is used for providing driving force for the movement of the snake-shaped pressing piece;
through the motion of drive actuating cylinder 19 drive snakelike pressing member, make and compress tightly the portion and can support on work piece stalk portion surface to cooperate first supporting block 2 with stalk portion rigidity, realize the purpose of accurate location.
Further, the serpentine shaped compression member comprises:
the third support 20 and the connecting block 21 are both arranged on the base 18, and the third support 20 is arranged close to the first support 4 relative to the connecting block 21 and used for installing corresponding components;
the extension bar 22 is arranged at the bottom of the connecting block 21, and the extension bar 22 can penetrate through the through hole to be hinged with an output shaft of the driving cylinder 19 and is used for transmitting the acting force of the driving cylinder 19 to the pressing part;
one end of each of the swing rods 23 is hinged with the third support 20; a pair of first links 24 having one end hinged to the connecting block 21; one end of the pressure lever 25 is a pressing part, and one side of the pressure lever 25, which is far away from the pressing part, is sequentially hinged with the free end of the swing rod 23 and the free end of the first connecting rod 24; a pair of second connecting rods 26, one end of which is hinged with the third support 20 and the other end of which is hinged with the connecting block 21;
the extension rod 22 is driven to move upwards by an output shaft of the driving cylinder 19, and the corresponding swing rod 23, the first connecting rod 24 and the second connecting rod 26 are pushed to swing towards one side close to the first support 4, so that the pressing part of the pressing rod 25 is close to the workpiece until the pressing part abuts against the workpiece, and the position of the workpiece is fixed;
when the workpiece needs to be removed, the output shaft of the driving cylinder 19 drives the extension rod 22 to move downwards, and drives the corresponding swing rod 23, the first connecting rod 24 and the second connecting rod 26 to swing towards one side far away from the first support 4, so that the pressing part of the pressing rod 25 is far away from the workpiece until the workpiece can be smoothly removed.
Further, the oilless bush 27 is disposed at the through hole of the base 18, has self-lubricating ability, and is used for assisting the movement of the extension bar 22 and the output shaft of the driving cylinder 19, so as to prevent the output shaft of the extension bar 22 and the driving cylinder 19 from rubbing against the edge of the through hole to cause abrasion,
example two
A grinding machine, comprising: the combined grinding machine grooving station fixture comprises a grinding machine body and a combined grinding machine grooving station fixture mechanism arranged on the grinding machine body.
In this embodiment, the grooving station fixture mechanism of the combined grinding machine according to the first embodiment is mounted on the grinding machine body, so that the purpose of accurately positioning a workpiece and improving the manufacturing accuracy of the workpiece processed by the grinding machine is achieved.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (10)
1. A slotting station fixture mechanism of a combined grinding machine is used for clamping a cylindrical workpiece (1), wherein the workpiece (1) is cylindrical; the workpiece (1) has a shank portion and a processing portion arranged along a central axis; the workpiece (1) comprises a standard part; characterized in that, the fixture mechanism includes:
the main positioning assembly comprises a support and a first supporting block (2) arranged on the support, and the first supporting block (2) is provided with a first groove for placing a handle of the workpiece (1); the standard has a first central axis when the standard handle is placed on the first support block (2) and fully engaged with the surface of the first groove;
the auxiliary positioning assembly comprises a fine adjustment assembly and a second supporting block (3) arranged on the fine adjustment assembly, and the second supporting block (3) is provided with a second groove for placing a processing part of the workpiece (1); when the processing part of the standard part is placed on the second supporting block (3) and is completely attached to the surface of the second groove, the standard part has a second central axis;
the fine adjustment assembly is used for adjusting the position of the second supporting block (3) so that the first central axis is coincident with the second central axis.
2. A slot station fixture mechanism of a combination grinding machine as claimed in claim 1, wherein the support member comprises:
a first support (4),
a first base (5) arranged on the first support (4) for mounting the first support block (2);
the first fine adjustment baffle (6) is arranged on the first support (4); a first thread pair (7) is arranged on the side wall of the first fine adjustment baffle (6), and the adjusting end of the first thread pair (7) is hinged with the first base (5);
-adjusting the position of said first seat (5) by means of said first thread pair (7) along a first direction; the first direction is perpendicular to the first central axis.
3. A grooving station clamp mechanism for a grinder as claimed in claim 2, wherein the first base (5) has a first adjustment pad (8) on a side wall thereof to assist in adjusting the position of the first base (5) in the first direction;
a second adjusting pad (9) is arranged at the bottom of the first base (5) and used for assisting in adjusting the position of the first base (5) in the second direction;
the second direction is perpendicular to the first direction and the first central axis.
4. A slot station fixture mechanism of a combination grinding machine as claimed in claim 3, wherein the fine adjustment assembly comprises:
a second support (10) arranged adjacent to the first support (4);
the second fine adjustment baffle (11) is arranged on the second support (10); a second thread pair (12) is arranged on the side wall of the second fine adjustment baffle (11), and a second base (13) is installed at the adjusting end of the second thread pair (12);
-adjusting the position of said second seat (13) along said first direction by means of said second pair of threads (12);
a third trimming baffle (14) arranged on the second base (13); a third thread pair (15) is arranged on the side wall of the third fine adjustment baffle (14), and a slide way (16) which is vertical to the first base (5) is arranged at the adjusting end of the third thread pair (15); the slide (16) is used for providing a moving path for the second supporting block (3);
adjusting the position of the slideway (16) by the third thread pair (15) along a third direction;
the third direction is arranged parallel to the second central axis.
5. A grooving station clamp mechanism for a grinder as claimed in claim 4, wherein the side walls of the second support (10) and the slide (16) are provided with heavy resilient plungers (17), respectively.
6. The jig mechanism for a grooving station of a grinder of claim 2, further comprising: and the compression assembly is arranged adjacent to the main positioning assembly.
7. The jig mechanism for a grooving station of a grinder of claim 6, wherein the hold down assembly comprises:
the base (18) is arranged on one side, away from the first thread pair (7), of the first support (4); the base (18) is provided with a through hole;
a serpentine shaped compression member disposed on the base (18); the snake-shaped pressing piece is provided with a pressing part;
the driving cylinder (19) is positioned at the bottom of the base (18); an output shaft of the driving cylinder (19) penetrates through the through hole and is hinged with the snake-shaped pressing piece;
the snake-shaped pressing piece is driven to move by the driving air cylinder (19), so that the pressing part can be abutted against the surface of the handle part to match the first supporting block (2) to fix the position of the handle part.
8. The jig mechanism for a grooving station of a grinder of claim 7, wherein said serpentine clamping member comprises:
a third support (20) and a connecting block (21) arranged on the base (18); the third support (20) is arranged close to the first support (4) relative to the connecting block (21); an extension bar (22) is arranged at the bottom of the connecting block (21), and the extension bar (22) can penetrate through the through hole to be hinged with an output shaft of the driving cylinder (19);
one end of each swing rod (23) is hinged with the third support (20); a pair of first connecting rods (24) with one end hinged with the connecting block (21); one end of the pressure lever (25) is the pressing part, and one side of the pressure lever (25) far away from the pressing part is sequentially hinged with the free end of the swing rod (23) and the free end of the first connecting rod (24);
and one end of the second connecting rod (26) is hinged with the third support (20), and the other end of the second connecting rod is hinged with the connecting block (21).
9. A grooved station fixture mechanism of a combined grinder as claimed in claim 7, characterized in that the through hole of the base (18) is provided with an oilless bushing (27).
10. A grinding machine, comprising: a grinder body and a combined grinder grooving station jig mechanism as claimed in any one of claims 1 to 9 provided on the grinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122360508.0U CN215748377U (en) | 2021-09-28 | 2021-09-28 | Combined grinding machine grooving station fixture mechanism and grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122360508.0U CN215748377U (en) | 2021-09-28 | 2021-09-28 | Combined grinding machine grooving station fixture mechanism and grinding machine |
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| Publication Number | Publication Date |
|---|---|
| CN215748377U true CN215748377U (en) | 2022-02-08 |
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| CN202122360508.0U Active CN215748377U (en) | 2021-09-28 | 2021-09-28 | Combined grinding machine grooving station fixture mechanism and grinding machine |
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| CN (1) | CN215748377U (en) |
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- 2021-09-28 CN CN202122360508.0U patent/CN215748377U/en active Active
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