CN220613191U - Multi-station CNC feeding mechanism - Google Patents
Multi-station CNC feeding mechanism Download PDFInfo
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- CN220613191U CN220613191U CN202322352505.1U CN202322352505U CN220613191U CN 220613191 U CN220613191 U CN 220613191U CN 202322352505 U CN202322352505 U CN 202322352505U CN 220613191 U CN220613191 U CN 220613191U
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- 238000005096 rolling process Methods 0.000 claims description 9
- 238000007599 discharging Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 9
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The application is a multistation CNC feed mechanism, include: the first heavy-load guide rail is arranged beside the machine tool workbench; at least one second heavy-duty rail movable to a first position collinear with the first heavy-duty rail and movable to a second position not collinear with the first heavy-duty rail; and the clamp tray is arranged at the second heavy-load guide rail in a limiting manner, and can move along the first heavy-load guide rail and the second heavy-load guide rail when the second heavy-load guide rail moves to the first position so as to be pushed into and arranged on or pulled out from the machine tool workbench. The multi-station CNC feeding mechanism and CNC equipment are connected together, so that the mutual control of the clamp tray in the machine and the feeding machine is realized, the switching feeding and discharging functions are adopted, the downtime of the CNC equipment is reduced, the labor intensity of operators is lightened, the debugging time of switching products is optimized, the phenomenon of complex debugging of small batches of multiple varieties is solved, the structure is compact, and the use is simple and convenient.
Description
Technical Field
The utility model relates to the technical field of automation equipment, in particular to a multi-station CNC feeding mechanism.
Background
At present, in CNC equipment processing, automatic feeding and discharging is mainly realized by a robot, a product clamp and a robot clamp are customized according to different product requirements, the product replacement processing and debugging are complicated, the large-batch product can be processed in actual use, and the small-batch part debugging consumes long time and is not applicable; the product clamp can be rapidly switched by using the zero point rapid-change clamp to rapidly switch the product, and the defects are also caused, the clamp which is small in size and light in product can be manually used for rapidly feeding and discharging, the heavy product is required to be fed and discharged by means of the navigation crane, the feeding speed is low, the operation is troublesome, the efficiency in actual use is not high, and the labor intensity of operators cannot be lightened; the robot is used for loading and unloading, the occupied area is large, the input cost is high, the technical requirements on operators are high, and the machine tool is long in downtime.
In order to overcome the problems, the applicant proposes a multi-station CNC feeding mechanism.
Disclosure of Invention
In view of the above, the utility model provides a multi-station CNC feeding mechanism.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: multistation CNC feed mechanism is applied to CNC equipment, and CNC equipment has the lathe workstation, includes:
the first heavy-load guide rail is arranged beside the machine tool workbench;
at least one second heavy-duty rail movable to a first position collinear with the first heavy-duty rail and movable to a second position not collinear with the first heavy-duty rail;
and the clamp tray is arranged at the second heavy-load guide rail in a limiting manner, and can move along the first heavy-load guide rail and the second heavy-load guide rail when the second heavy-load guide rail moves to the first position so as to be pushed into and arranged on or pulled out from the machine tool workbench.
As a preferred embodiment of the present utility model, the method further comprises: a heavy-duty bracket;
the second heavy load guide rail is arranged on the heavy load bracket.
As a preferred embodiment of the present utility model, the method further comprises: a track;
the heavy-duty support is arranged on the track, and the heavy-duty support moves along the track to enable the second heavy-duty guide rail to be switched between the first position and the second position.
As a preferred aspect of the present utility model, the first and second reloading rails each include: the guide rail bracket and the plurality of auxiliary rollers are linearly arranged at the guide rail bracket, and the auxiliary rollers are contacted with the clamp tray and assist the clamp tray to move; or,
the first and second load rails each include: the guide rail support and the plurality of auxiliary rolling bearings are linearly arranged at the guide rail support, and the auxiliary rolling bearings are in contact with the clamp tray and assist the clamp tray to move.
In a preferred aspect of the present utility model, the guide rail brackets are symmetrically disposed, and a plurality of auxiliary rollers or auxiliary rolling bearings are respectively disposed on the two guide rail brackets.
As a preferred embodiment of the present utility model, the method further comprises: a first driving device;
the first driving device drives the clamp tray to move along the second heavy-load guide rail and/or the first heavy-load guide rail.
As a preferred embodiment of the present utility model, the method further comprises: a second driving device;
the second driving device drives the heavy-duty bracket to linearly reciprocate along the track.
As a preferable mode of the utility model, the bottom of the clamp tray is provided with a first clamping surface and a second clamping surface, and a space is formed between the first clamping surface and the second clamping surface; when the clamp tray moves to the first heavy-load guide rail and the second heavy-load guide rail, the first clamping surface and the second clamping surface are respectively interfered with the guide rail bracket, and the clamp tray cannot move along the direction perpendicular to the first heavy-load guide rail and the second heavy-load guide rail.
As a preferred embodiment of the present utility model, the method further comprises: a limit component;
the second end of the second heavy-duty guide rail is connected with the first heavy-duty guide rail, and the limiting assembly is positioned at the first end of the second heavy-duty guide rail so as to limit the clamp tray to be separated from the first end of the second heavy-duty guide rail.
As a preferred aspect of the present utility model, the first driving device includes:
the sliding rail is arranged on the heavy-load bracket and is parallel to the second heavy-load guide rail;
the sliding plate is arranged on the sliding rail and driven by the driving piece to move along the sliding rail;
the driving cylinder is arranged on the sliding plate and is provided with a cylinder guide rod, and the cylinder guide rod is parallel to the second overload guide rail;
the dragging carrier disc is arranged at the guide rod of the air cylinder and is driven by the driving air cylinder to linearly move
Compared with the prior art, the utility model has the following beneficial technical effects: the multi-station CNC feeding mechanism and CNC equipment are connected together, so that the mutual control of the clamp tray in the machine and the feeding machine is realized, the switching feeding and discharging functions are adopted, the downtime of the CNC equipment is reduced, the labor intensity of operators is lightened, the debugging time of switching products is optimized, the phenomenon of complex debugging of small batches of multiple varieties is solved, the structure is compact, and the use is simple and convenient.
The utility model has the other beneficial technical effects and is embodied in the specific embodiment.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a multi-station CNC feeding mechanism of the present utility model applied to CNC equipment;
FIG. 2 is a schematic structure of a multi-station CNC feeding mechanism of the present utility model;
FIG. 3 is a schematic front view of a fixture tray in the multi-station CNC feed mechanism of the present utility model;
FIG. 4 is a schematic view of a second heavy-duty rail mounted on a heavy-duty bracket in a multi-station CNC feeding mechanism of the present utility model;
fig. 5 is a schematic structural view of a guide rail bracket and an auxiliary roller in the multi-station CNC feeding mechanism.
Reference numerals illustrate:
a CNC device 00; a machine tool workbench 01; a cabinet 02; a first heavy-duty rail 100; a rail bracket 110; an auxiliary roller 120;
a second reload rail 200; a first second reload rail 200A; a second reload rail 200B; a spacing assembly 210;
a jig tray 300; a first clamping surface 301; a second clamping surface 302; a first jig tray 300A; a second jig tray 300B; heavy duty rack 400; a tray carrier 410; a track 500; a bracket 510; a first driving device 600; a slide rail 610;
a slide plate 620; a driving cylinder 630; a cylinder guide 631; dragging the carrier platter 640; and a second driving means 520.
Detailed Description
The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures which are relevant to the utility model.
Referring to fig. 1, the multi-station CNC feeding mechanism is applied to CNC equipment 00, wherein the CNC equipment 00 is provided with a machine tool workbench 01; the specific model of the CNC device 00 is not limited. In the CNC device 00, a corresponding machining manipulator should be provided, so that a product on the machine tool table 01 can be machined correspondingly;
it should be noted that, when products with different specifications/types are processed, the structure of the clamp adopted on the machine tool workbench 01 should be different, one CNC device should replace the clamp when processing products with different specifications/types, the clamp has large weight and large volume, the replacement is inconvenient, and the replacement step is complicated;
furthermore, when processing the same specification/type product, the weight of certain products is big, and manual replacement is inconvenient, need additionally use multiaxis manipulator to go up the unloading, if go up the unloading directly on lathe workstation 01, CNC equipment 00 down time is long to multiaxis manipulator equipment is bulky, and occupation area is big, uses very inconveniently.
Therefore, in order to overcome such problems, the following multi-station CNC feeding structure is proposed.
Multistation CNC feed mechanism includes:
a first reloading guide rail 100 mounted at the side of the machine tool table 01;
at least one second heavy load rail 200 movable to a first position collinear with the first heavy load rail 100 and to a second position not collinear with the first heavy load rail 100;
the clamp tray 300 is mounted at the second reloading guide rail 200 in a limiting manner, and when the second reloading guide rail 200 moves to the first position, the clamp tray 300 can move along the first reloading guide rail 100 and the second reloading guide rail 200 so as to be pushed into and mounted on or pulled out from a machine tool workbench.
As shown in fig. 1, the CNC device 00 has a cabinet 02, the cabinet 02 mainly plays a role of protection, a machine tool workbench 01 is located in the cabinet 02, a first heavy-duty guide rail 100 is installed beside the machine tool workbench 01, and mainly guides a clamp tray 300 to be capable of moving to the machine tool workbench 01; continuing with fig. 1, a cabinet opening is provided in the cabinet 02, and then the first heavy load rail 100 is connected between the machine table 01 and the cabinet opening.
It should be noted that, in some embodiments, the CNC device may not have the cabinet 02, it may have only the equipment rack, and as a carrier, the machine table 01 is disposed on the large panel of the equipment rack, and then the first heavy-duty rail 100 may be mounted on the large panel.
Further, the second reloading rail 200 is movably disposed in a direction perpendicular to the direction in which the clamp tray 300 is pushed into/pulled out of the machine table 01, as shown in fig. 1, the direction in which the clamp tray 300 is pushed into/pulled out of the machine table 01 is the X direction, and the moving direction in which the second reloading rail 200 can be switched between the first position and the second position is the Y direction.
As shown in fig. 1-2, the second reloading rail 200 is provided with two places in the present embodiment, and the clamp tray 300 is mounted on the second reloading rail 200 at two places, when in use:
as shown in fig. 2, the first second reloading rail 200A corresponds to the first reloading rail 100, that is, in the first position, the first jig tray 300A mounted on the first second reloading rail 200A moves along the first second reloading rail 200A and the first reloading rail 100 to the station 01; while a second load rail 200B is offset from the first load rail 100, i.e., in a second position, the second load rail 200B is also mounted with a second clamp tray 300B.
After the product on the first jig tray 300A is processed, the first jig tray 300A is pulled out in the X direction, pulled out along the first reloading rail 100 to the first second reloading rail 200A, and then the first second reloading rail 200A is moved in the Y direction to the second position;
then, the second heavy load guide rail 200B moves along the Y direction, after moving to the first position, the second clamp tray 300B moves along the second heavy load guide rail 200B and the first heavy load guide rail 100, and finally is pushed into the machine tool workbench 01 to wait for processing;
while the first jig tray 300A on the first second reloading rail 200A can be replaced with a product, the finished product is removed and the unprocessed product is replaced.
Through this multistation CNC feed mechanism, can realize quick material loading to easy operation, downtime is short.
It should be noted that, in fig. 1-2, the fixture tray 300 is not provided with a specific fixture/mold, etc., and the fixture tray 300 is provided with a corresponding fixture/mold according to the specifications of the processed product, so that the product can be stably installed.
Further, in the present embodiment, the CNC apparatus 00 has one machine table 01, and one machine table 01 is configured with two second reloading rails 200 and a clamp tray 300;
alternatively, the number of machine tables 01 of the CNC apparatus 00 may be increased while the number of the second reload rail 200 and the clamp tray 300 may be increased, which is suitable for a CNC apparatus for multi-station processing.
In one embodiment, the method further comprises: heavy duty rack 400; the second heavy load rail 200 is mounted on the heavy load bracket 300;
as shown in fig. 2, the heavy-duty bracket 400 has at least a tray carrier 410 on which the second heavy-duty rail 200 is mounted, and the tray carrier 410 mainly plays a bearing role, and its specific shape and structure are not limited.
Further, the method further comprises the following steps: a track 500;
the heavy-duty bracket 400 is mounted on the track 500, and the heavy-duty bracket 400 moves along the track 500 to switch the second heavy-duty guide rail 200 between the first position and the second position;
the extending direction of the rail 500 is the Y direction as shown in the coordinates of fig. 1 and 2, and the specific structure of the rail 500 may be a guide rod, a sliding rail, a Y rail, or the like commonly used in the prior art.
If the CNC device 00 has a cabinet 02, the rail 500 may be installed at the cabinet 02, but outside the protected space of the cabinet 02;
alternatively, as shown in fig. 2, the device further comprises a bracket 510, where the bracket 510 may be attached to the cabinet 02, for example, fixed to an outer side wall of the cabinet 02; alternatively, the support 510 may be a floor stand, which is disposed in front of the cabinet 02 in parallel, and the rail 500 is mounted at the support 510.
Further, a positioning structure can be added between the first and second reloading rails 100 and 200 to prevent the bracket 510 from moving during operation.
Further, a limiting structure should be provided between the heavy-duty bracket 400 and the track 500 or between the heavy-duty bracket 400 and the bracket 510, so that the second heavy-duty guide rail 200 can be positioned when moving to the first position, and correspondingly connected with the first heavy-duty guide rail 100, without manually checking the position, and the operation is simpler.
Such as: a baffle a may be provided at the support 510, the baffle a also being located at the first position; the heavy-load support 400 is mounted on the track 500 of the support 510, the baffle B is arranged at the heavy-load support 400 and can move up and down in the longitudinal direction, and the baffle B is in the same straight line with the baffle a in the initial state, so that when the heavy-load support 400 drives the second heavy-load guide rail 200 to move to the first position, the baffle B is in contact with the baffle a, and the second heavy-load guide rail 200 is positioned at the first position;
after the clamp tray 300 is pushed into the machine tool table 01 or pulled out from the machine tool table 01 to the second reloading guide rail 200, the baffle B is moved down or up to be staggered with the baffle a, and the reloading bracket 400 continues to move along the track 500 in the same direction; the next second heavy-duty rail 200 can be moved to the first position under the driving of the heavy-duty bracket 400.
As shown in fig. 2, in this embodiment, each second heavy-duty rail 200 has an independent heavy-duty bracket 400, and in other embodiments, a plurality of second heavy-duty rails 200 may be arranged in the Y direction and commonly mounted on one heavy-duty bracket 400.
In one embodiment, as shown in fig. 5, the first and second reloading rails 100 and 200 each include: the guide rail bracket 110 and the plurality of auxiliary rollers 120 which are linearly arranged at the guide rail bracket 110, wherein the auxiliary rollers 120 are in contact with the clamp tray 300 and assist the clamp tray 300 to move; or,
the first and second load rails 100 and 200 each include: the guide rail bracket 110 and a plurality of auxiliary rolling bearings arranged at the guide rail bracket 110 in a straight line, the auxiliary rolling bearings are in contact with the clamp tray 300 and assist the movement of the clamp tray 300.
The guide rail bracket 110 is mainly used for installing the auxiliary rollers 120, and a plurality of auxiliary rollers 120 are rotatably installed on the guide rail bracket 110 by taking a horizontal axis as a shaft;
the rail bracket 110 mainly functions as a carrier, the specific shape of which is not limited, and the number of the auxiliary rollers 120 is set according to the distance the jig tray 300 needs to be moved.
Further, the rail brackets 110 are symmetrically disposed, and a plurality of auxiliary rollers 120 or auxiliary rolling bearings are respectively disposed on the two rail brackets 110.
In one embodiment, the clamp tray 300 moves on the first and second reload rails 100 and 200, which may be manually or automatically driven;
in the case of manual movement, the worker directly pushes the clamp tray 300 to move along the first and second reload rails 100 and 200.
The automatic driving mode may be that a first driving device is arranged at the heavy-duty bracket 400, and the clamp tray 300 is pushed to the first heavy-duty guide rail 100 by the first driving device; a first drive means may also be provided in the cabinet 02 corresponding to the first heavy load rail 100 to push the clamp tray 300 from the first heavy load rail 100 to the machine table 01.
It is also possible that: the first driving device is arranged at the heavy-load bracket 400, and the first driving device is in a two-stage driving mode, so that the clamp tray 300 can be pushed from the second heavy-load guide rail 200 to the first heavy-load guide rail 100 and then pushed from the first heavy-load guide rail 100 to the machine tool workbench 01.
Further, as shown in fig. 4, the first driving device 600 includes:
a slide rail 610 mounted on the heavy load bracket 400 and parallel to the second heavy load rail 200;
a sliding plate 620 mounted on the sliding rail 610 and driven by the driving member to move along the sliding rail 610;
a driving cylinder 630 mounted on the slide 610, the driving cylinder having a cylinder guide 631, the cylinder guide 631 being parallel to the second reload rail 200;
the drag carrier plate 640 is installed at the cylinder guide 631 and is driven to linearly move by the driving cylinder.
As further shown in fig. 4, in use, the clamp tray 300 is supported on the second heavy-duty rail 200, the dragging carrier 640 abuts against one side of the clamp tray 300, and in operation, the slide 620 is driven by the driving element to move along the slide rail 610, the clamp tray 300 is moved along the second heavy-duty rail 200, the clamp tray 300 is moved to the first heavy-duty rail 100, and the slide 620 is also moved to the first heavy-duty rail 100; then, the driving cylinder 630 drives the dragging carrier plate 640 to move along the cylinder guide rod 631, so that the clamp tray 300 is pushed to the position of the machine tool workbench 01 from the first heavy-duty guide rail 100; after the jig pallet 300 is driven to the machine tool table 01, the first driving device 600 is reset.
With the above structure, the jig pallet 300 can be automatically pushed to the machine tool table 01.
In one embodiment, the method further comprises: a second driving means 520; the second driving device 520 drives the heavy-duty bracket 400 to linearly reciprocate along the rail 500, and the second driving device 520 may be a driving cylinder, which is mounted at the bracket 510.
In one embodiment, as shown in fig. 3, a first clamping surface 301 and a second clamping surface 302 are formed at the bottom of the clamp tray 300, and a space is formed between the first clamping surface 301 and the second clamping surface 302; when the clamp tray 300 moves to the first and second reload rails 100 and 200, the first and second clamping surfaces 301 and 302 interfere with the rail brackets 110, respectively, the clamp tray 300 cannot move in a direction perpendicular to the first and second reload rails 100 and 200, i.e., the Y direction.
In one embodiment, the method further comprises: the second end of the second reload rail 200 is engaged with the first reload rail 100, and the limiting assembly 210 is positioned at the first end of the second reload rail 200 to limit the detachment of the clamp tray 300 from the first end of the second reload rail. Specifically, the limiting assembly 210 may be a stop disposed at a first end of the rail bracket 110; or a stop provided at the heavy-duty bracket 400, which abuts against the side of the jig tray 300.
The multi-station CNC feeding mechanism and CNC equipment are connected together, so that the internal clamp tray and the feeding machine are mutually controlled, the switching feeding and discharging functions are adopted, the downtime of the CNC equipment is reduced, the labor intensity of operators is lightened, the debugging time of switching products is optimized, the phenomenon of complex debugging of small batches of multiple varieties is solved, the structure is compact, and the use is simple and convenient.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. Multistation CNC feed mechanism is applied to CNC equipment, and CNC equipment has lathe workstation, its characterized in that: comprising the following steps:
the first heavy-load guide rail is arranged beside the machine tool workbench;
at least one second heavy-duty rail movable to a first position collinear with the first heavy-duty rail and movable to a second position not collinear with the first heavy-duty rail;
and the clamp tray is arranged at the second heavy-load guide rail in a limiting manner, and can move along the first heavy-load guide rail and the second heavy-load guide rail when the second heavy-load guide rail moves to the first position so as to be pushed into and arranged on or pulled out from the machine tool workbench.
2. The multi-station CNC feeding mechanism according to claim 1, wherein: further comprises: a heavy-duty bracket;
the second heavy load guide rail is arranged on the heavy load bracket.
3. The multi-station CNC feeding mechanism according to claim 2, wherein: further comprises: a track;
the heavy-duty support is arranged on the track, and the heavy-duty support moves along the track to enable the second heavy-duty guide rail to be switched between the first position and the second position.
4. A multi-station CNC feeding mechanism according to any one of claims 1 to 3, wherein: the first and second load rails each include: the guide rail bracket and the plurality of auxiliary rollers are linearly arranged at the guide rail bracket, and the auxiliary rollers are contacted with the clamp tray and assist the clamp tray to move; or,
the first and second load rails each include: the guide rail support and the plurality of auxiliary rolling bearings are linearly arranged at the guide rail support, and the auxiliary rolling bearings are in contact with the clamp tray and assist the clamp tray to move.
5. The multi-station CNC feeding mechanism according to claim 4, wherein: the guide rail brackets are symmetrically arranged, and a plurality of auxiliary rollers or auxiliary rolling bearings which are arranged in a straight line are respectively arranged on the two guide rail brackets.
6. The multi-station CNC feeding mechanism according to claim 4, wherein: further comprises: a first driving device;
the first driving device drives the clamp tray to move along the second heavy-load guide rail and/or the first heavy-load guide rail.
7. The multi-station CNC feeding mechanism according to claim 6, wherein: further comprises: a second driving device;
the second driving device drives the heavy-duty bracket to linearly reciprocate along the track.
8. The multi-station CNC feeding mechanism according to claim 4, wherein: the bottom of the clamp tray is provided with a first clamping surface and a second clamping surface, and a space is formed between the first clamping surface and the second clamping surface; when the clamp tray moves to the first heavy-load guide rail and the second heavy-load guide rail, the first clamping surface and the second clamping surface are respectively interfered with the guide rail bracket, and the clamp tray cannot move along the direction perpendicular to the first heavy-load guide rail and the second heavy-load guide rail.
9. The multi-station CNC feeding mechanism according to claim 2, wherein: further comprises: a limit component;
the second end of the second heavy-duty guide rail is connected with the first heavy-duty guide rail, and the limiting assembly is positioned at the first end of the second heavy-duty guide rail so as to limit the clamp tray to be separated from the first end of the second heavy-duty guide rail.
10. The multi-station CNC feeding mechanism according to claim 6, wherein: the first driving device includes:
the sliding rail is arranged on the heavy-load bracket and is parallel to the second heavy-load guide rail;
the sliding plate is arranged on the sliding rail and driven by the driving piece to move along the sliding rail;
the driving cylinder is arranged on the sliding plate and is provided with a cylinder guide rod, and the cylinder guide rod is parallel to the second overload guide rail;
the dragging carrying disc is arranged at the guide rod of the air cylinder and is driven by the driving air cylinder to linearly move.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202322352505.1U CN220613191U (en) | 2023-08-30 | 2023-08-30 | Multi-station CNC feeding mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202322352505.1U CN220613191U (en) | 2023-08-30 | 2023-08-30 | Multi-station CNC feeding mechanism |
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CN220613191U true CN220613191U (en) | 2024-03-19 |
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CN202322352505.1U Active CN220613191U (en) | 2023-08-30 | 2023-08-30 | Multi-station CNC feeding mechanism |
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2023
- 2023-08-30 CN CN202322352505.1U patent/CN220613191U/en active Active
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