CN113751742A - Numerical control machining equipment with double fixed clamping discs - Google Patents
Numerical control machining equipment with double fixed clamping discs Download PDFInfo
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- CN113751742A CN113751742A CN202111168367.0A CN202111168367A CN113751742A CN 113751742 A CN113751742 A CN 113751742A CN 202111168367 A CN202111168367 A CN 202111168367A CN 113751742 A CN113751742 A CN 113751742A
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- clamping
- groove
- numerical control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/103—Retention by pivotal elements, e.g. catches, pawls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a double-chuck fixed numerical control machining device which comprises a machine base and a pair of fixing mechanisms arranged on two sides of the machine base, wherein each fixing mechanism comprises a chuck, a plurality of clamping grooves are formed in the side surface of each chuck, sliding grooves are formed in the inner ends of the clamping grooves, clamping blocks are connected to the inner sides of the clamping grooves in a sliding mode, hydraulic rods are connected to the inner sides of the clamping blocks, and the hydraulic rods are arranged at the inner ends of the chucks. The invention can process conventional workpieces, realizes clamping of the middle position of the workpiece body through the pair of chucks, and ensures that two chucks are fixed at the position close to the middle part of the workpiece body when in use, so that two sides of the workpiece body needing end processing are exposed outside, the end part of the workpiece is conveniently processed by equipment, the equipment is converted into a diversified processing mode from a single processing mode, and the processing efficiency is further improved.
Description
Technical Field
The invention relates to the technical field of numerical control machining, in particular to numerical control machining equipment with double fixed chucks.
Background
The numerical control machining is a technological method for machining parts on a numerical control machine tool, is a mechanical machining mode for controlling the displacement of the parts and a cutter by adopting digital information, solves the problems of variable part varieties, small batch, complex shape, high precision and the like, and realizes an effective way for high-efficiency and automatic machining.
The existing numerical control equipment is used for processing a conventional workpiece, but cannot complete a special workpiece, or workpieces of which two end parts need to be processed are processed due to the fact that the ejector pins and the chuck are fixed at the end parts of the workpiece, the end parts of the workpiece can be obstructed and shielded during processing, processing of the end parts of the workpiece cannot be implemented, inconvenience is brought to machining, the requirement of diversified machining is severely limited by a single processing mode of the existing numerical control equipment, and the machining efficiency is greatly reduced.
Disclosure of Invention
The invention aims to provide a double-chuck fixed numerical control machining device to solve the problems in the background technology.
For realizing above-mentioned purpose, provide a fixed numerical control processing equipment of double cassette, include the frame, install a pair of fixed establishment in frame both sides, the frame includes the side seat, the side seat side is provided with the side channel, fixed establishment includes at least:
the clamping device comprises a chuck, wherein a clamping groove is formed in the side surface of the chuck, the circle center of the clamping groove is horizontally consistent with that of a side groove, a plurality of sliding grooves are formed in the side surface of the chuck, a clamping block is arranged at the inner end of each sliding groove, the clamping block is connected with the sliding grooves in a sliding mode, a hydraulic rod is connected to the side surface of the clamping block, and the hydraulic rod is arranged at the inner end of the chuck;
the side surface of the connecting disc is provided with a groove, the center of the groove is horizontally consistent with that of the side groove, the side surface of the connecting disc is connected with a side ring, and the side ring is fixedly connected with the side surface of the side seat;
the workpiece body is arranged between the two clamping grooves, the workpiece body penetrates through the inner ends of the side grooves, and the two ends of the workpiece body extend out of the outer ends of the clamping grooves.
As a further improvement of the technical scheme, a pair of inner grooves are formed in two sides of the inner end of each side groove, a limiting mechanism is arranged at the inner end of each side groove and comprises a pair of clamping arc plates, the circle centers of the clamping arc plates and the circle centers of the side grooves are kept to be horizontal and consistent, a pair of connecting columns are arranged at the top ends of the clamping arc plates, clamping springs are arranged at the top ends of the connecting columns, and the clamping springs are fixed to the inner ends of the inner grooves.
As a further improvement of the technical scheme, the inner end of the clamping arc plate is provided with an arc groove, and the inner end of the arc groove is provided with a plurality of condensing pipes.
As a further improvement of the technical scheme, a plurality of air holes are formed in the inner side of the clamping arc plate, the air holes are uniformly arranged on the inner side of the clamping arc plate, and the air holes are communicated with the arc groove.
As a further improvement of the technical scheme, a plurality of flitch plates are arranged on the inner side of the clamping arc plate, the flitch plates are of arc-shaped structures, and the circle centers of the flitch plates and the clamping arc plate are kept in horizontal consistency.
As a further improvement of the technical scheme, a plurality of connecting springs are connected between two sides of the clamping arc plates, lantern rings are sleeved on two sides of each connecting spring, and the two lantern rings are fixed on the side faces of the two clamping arc plates respectively.
As a further improvement of the technical scheme, the sliding groove is of a T-shaped structure, a sliding block is arranged on the side face of the clamping block, the section size of the sliding block is kept identical with that of the sliding groove, and the sliding block is connected with the sliding groove in a sliding mode.
As a further improvement of the technical scheme, a plurality of grooves are formed in the tail end of the fixture block, and the cross section sizes of the grooves are kept identical.
As a further improvement of the technical scheme, a vent groove is arranged on one side of the chuck and is communicated with the clamping groove.
As a further improvement of the technical scheme, a pair of screw rods are arranged on the side faces of the side rings and are in threaded connection with the side rings, and a pair of threaded holes are formed in the side faces of the two ends of each side seat and are in threaded connection with the screw rods.
Compared with the prior art, the invention has the beneficial effects that:
1. in this fixed numerical control processing equipment of double cassette, not only can process conventional work piece to realize carrying out the centre gripping to work piece body intermediate position through a pair of chuck that sets up, during the concrete use, two chucks are fixed and are close to the middle part position at the work piece body, make things convenient for equipment to process the work piece tip outside the work piece body both sides that need carry out the tip processing, make equipment turn into pluralism processing mode by single processing mode, further improved machining efficiency.
2. In this fixed numerical control processing equipment of two chucks, stop gear through setting up protects its side seat inner, it is fixed to carry out the centre gripping to the work piece body side simultaneously, when the work piece body stretches into the side groove inner, can block at first into two centre gripping arc boards inner, work piece body both sides extrusion two centre gripping arc boards, the spliced pole of its side is then extruded to the centre gripping arc board, the spliced pole extrusion centre gripping spring shrink to provide a reverse effort, two centre gripping arc boards of reverse promotion carry out the centre gripping to its work piece body outside.
3. In this fixed numerical control processing equipment of double cassette, the condenser pipe through setting up is to the inboard processing of cooling down of centre gripping arc board, avoids the inner high temperature of centre gripping arc board to lead to influencing the normal use of centre gripping arc board.
4. Among this fixed numerical control processing equipment of double cassette, the circulation rate that the condenser pipe produced cold air is further accelerated through the bleeder vent that sets up, and it is inboard to make the condensing gas that the condenser pipe produced can reach the centre gripping arc board fast, carries out timely cooling to the centre gripping arc board and handles.
Drawings
FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a stand according to embodiment 1 of the present invention;
FIG. 3 is a schematic side seat structure according to embodiment 1 of the present invention;
fig. 4 is a schematic structural view of a limiting mechanism according to embodiment 1 of the present invention;
FIG. 5 is a sectional view showing a structure of a holding arc plate according to embodiment 1 of the present invention;
FIG. 6 is a schematic structural view of a fixing mechanism according to embodiment 1 of the present invention;
FIG. 7 is a schematic view of a chuck in accordance with embodiment 1 of the present invention;
fig. 8 is a sectional view of a chuck structure according to embodiment 1 of the present invention;
fig. 9 is a partially enlarged view at a of fig. 8 of embodiment 1 of the present invention;
fig. 10 is a schematic structural view of a workpiece body according to embodiment 1 of the present invention.
The various reference numbers in the figures mean:
10. a machine base; 110. a side seat; 111. a side groove; 112. an inner tank; 113. a threaded hole; 120. a limiting mechanism; 121. clamping the arc plate; 1211. an arc groove; 1212. a condenser tube; 1213. air holes are formed; 1214. pasting a board; 122. connecting columns; 123. a clamping spring; 124. a connecting spring;
20. a fixing mechanism; 210. a chuck; 211. a card slot; 212. a chute; 213. a clamping block; 214. a hydraulic lever; 215. a slider; 216. a groove; 217. a vent channel; 220. a connecting disc; 221. a side ring; 222. a screw;
30. a workpiece body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Example 1
Referring to fig. 1 to 10, the present embodiment provides a double-chuck fixed numerical control machining apparatus, including a machine base 10, a pair of fixing mechanisms 20 installed at two sides of the machine base 10, and a workpiece body 30 connected to inner ends of the fixing mechanisms 20, wherein the machine base 10 includes a side base 110, a side groove 111 is formed on a side surface of the side base 110, and the fixing mechanism 20 at least includes:
the clamping chuck 210 is provided with clamping grooves 211 on the side surface of the clamping chuck 210, the circle centers of the clamping grooves 211 and the side groove 111 are kept in horizontal consistency, a plurality of sliding grooves 212 are formed in the side surface of the clamping chuck 210, clamping blocks 213 are arranged at the inner ends of the sliding grooves 212, the clamping blocks 213 are connected with the sliding grooves 212 in a sliding mode, hydraulic rods 214 are connected to the side surfaces of the clamping blocks 213, and the hydraulic rods 214 are arranged at the inner ends of the clamping chuck 210;
the side surface of the connecting disc 220 is provided with a slot, the center of the slot is horizontally consistent with that of the side slot 111, the side surface of the connecting disc 220 is connected with a side ring 221, and the side ring 221 is fixedly connected with the side surface of the side seat 110.
When the workpiece clamping device is used specifically, the workpiece body 30 is arranged between the two clamping grooves 211, the workpiece body 30 penetrates through the inner end of the side groove 111, and the two ends of the workpiece body 30 extend out of the outer ends of the clamping grooves 211.
Firstly, inserting one side of a workpiece body 30 from the inner end of one clamping groove 211, enabling the workpiece body 30 to penetrate through the inner end of the side groove 111 and penetrate out of the inner end of the other clamping groove 211, enabling the two ends of the workpiece body 30 to extend out of the outer sides of the two clamping grooves 211, opening each hydraulic rod 214 at the moment, driving the fixture blocks 213 to slide along the inner sides of the sliding grooves 212 through the hydraulic rods 214, enabling each fixture block 213 to gradually approach the outer side of the workpiece body 30 until the fixture blocks are completely attached to the outer side of the workpiece body 30, completing the fixing work of the workpiece body 30, and processing the tail end of the workpiece body 30 through processing equipment at the moment; when the workpiece body 30 needs to be machined, the hydraulic rods 214 are opened again, the fixture blocks 213 are driven by the hydraulic rods 214 to be away from the side surface of the workpiece body 30, at the moment, the side surface of the workpiece body 30 is not fixed, and one side of the workpiece body 30 is pulled to drive the workpiece body 30 to extend out of the outer end of the clamping groove 211.
In addition, a pair of inner grooves 112 is arranged on both sides of the inner end of the side groove 111, a limiting mechanism 120 is arranged on the inner end of the side groove 111, the limiting mechanism 120 comprises a pair of clamping arc plates 121, the circle centers of the clamping arc plates 121 and the side groove 111 are kept horizontally consistent, a pair of connecting columns 122 is arranged at the top ends of the clamping arc plates 121, clamping springs 123 are arranged at the top ends of the connecting columns 122, and the clamping springs 123 are fixed at the inner ends of the inner grooves 112. When the workpiece body 30 extends into the inner end of the side groove 111, because the workpiece body 30 has a certain weight, the tail end of the workpiece body 30 can incline downwards, the workpiece body can scrape with the inner side of the side groove 111 in the sliding process, the inner side of the side groove 111 can be scratched, the service life of the side seat 110 can be influenced for a long time, the inner end of the side seat 110 can be protected by arranging the limiting mechanism 120, the side surface of the workpiece body 30 can be clamped and fixed, when the workpiece body 30 extends into the inner end of the side groove 111, the inner ends of the two clamping arc plates 121 can be clamped firstly, the two clamping arc plates 121 are extruded at two sides of the workpiece body 30, the connecting column 122 at the side surface of the clamping arc plates 121 can be extruded, the connecting column 122 extrudes the clamping spring 123 to shrink, a reverse acting force is provided, and the two clamping arc plates 121 are reversely pushed to clamp the outer side of the workpiece body 30.
Further, an arc groove 1211 is disposed at an inner end of the clamping arc plate 121, and a plurality of condensation pipes 1212 are disposed at an inner end of the arc groove 1211. During specific use, in carrying out work piece body 30 course of working, because work piece body 30 is metal material, the heat conductivity is stronger, lead to adding man-hour and can produce great heat, the heat conducts along with work piece body 30, can transmit to centre gripping arc board 121 inboard, lead to centre gripping arc board 121 inboard to gather a large amount of heats, make its inner end temperature continuously rise, can damage centre gripping arc board 121 in the past for a long time, influence its life, the condenser pipe 1212 through setting up at this moment is to centre gripping arc board 121 inboard cooling treatment, avoid centre gripping arc board 121 the inner high temperature lead to influencing centre gripping arc board 121's normal use.
Furthermore, a plurality of air holes 1213 are disposed on the inner side of the clamping arc plate 121, the air holes 1213 are uniformly arranged on the inner side of the clamping arc plate 121, and the air holes 1213 are communicated with the arc groove 1211. During the specific use, further accelerate the circulation rate that condenser pipe 1212 produced cold air through the bleeder vent 1213 that sets up, make the condensing gas that condenser pipe 1212 produced can reach the centre gripping arc board 121 inboard fast, carry out timely cooling to the centre gripping arc board 121 and handle.
Specifically, a plurality of attachment plates 1214 are arranged on the inner side of the clamping arc plate 121, the attachment plates 1214 are of arc-shaped structures, and the circle center of the attachment plates 1214 is horizontally consistent with the circle center of the clamping arc plate 121. During the specific use, further protect its work piece body 30 side through flitch 1214 that sets up, keep apart the processing to its work piece body 30 and centre gripping arc board 121 inner, avoid work piece body 30 side and the inner direct contact of centre gripping arc board 121, reduce the heat that work piece body 30 transmitted to centre gripping arc board 121 inner on the one hand, on the other hand avoids work piece body 30 and centre gripping arc board 121 to take place the scraping.
In addition, a plurality of connecting springs 124 are connected between two sides of the two clamping arc plates 121, lantern rings are sleeved on two sides of the connecting springs 124, and the two sets of rings are fixed on the side faces of the two clamping arc plates 121 respectively. During specific use, carry out the position to two centre gripping arc boards 121 through the connecting spring 124 that sets up and prescribe a limit to, two centre gripping arc boards 121 carry out the centre gripping in-process to workpiece body 30, and workpiece body 30 extrudees two centre gripping arc boards 121, if not prescribing a limit to it this moment and connecting, two centre gripping arc boards 121 separation range appears very easily too big, leads to the later stage to be difficult to resume its initial condition, influences later stage processing.
Furthermore, the sliding groove 212 is in a T-shaped structure, a sliding block 215 is arranged on the side surface of the clamping block 213, the size of the cross section of the sliding block 215 is matched with that of the sliding groove 212, and the sliding block 215 is connected with the sliding groove 212 in a sliding mode. During the specific use, carry out the position to fixture block 213 through the slider 215 that sets up and inject, improve sliding stability between fixture block 213 and the spout 212, avoid fixture block 213 to slide in-process appearance skew, lead to fixture block 213 to stretch out spout 212 outer end, fixture block 213 carries out the centre gripping to work piece body 30 and can appear the gap rather than, and work piece body 30 can appear rocking in the course of working, leads to the processing position deviation to appear.
Further, the end of the latch 213 is provided with a plurality of grooves 216, and the cross-sectional dimensions of the grooves 216 are kept consistent. During the specific use, improve the terminal roughness of fixture block 213 through the recess 216 that sets up to increase the frictional resistance between fixture block 213 and the work piece body 30, further improve the stability of being connected between fixture block 213 and the work piece body 30, avoid in to work piece body 30 course of working, work piece body 30 appears rocking, leads to the processing position to appear the skew, appears the work piece body 30 very easily and damages, causes the wasting of resources.
Further, the chuck 210 is provided with a vent groove 217 at one side, and the vent groove 217 is communicated with the chucking groove 211. During the specific use, make the side groove 111 inner keep the intercommunication with the external world through the air channel 217 that sets up, avoid the heat that work piece body 30 produced in the course of working to gather when the draw-in groove 211 inner, lead to chuck 210 temperature to last rising, influence its normal use.
In addition, a pair of screws 222 are disposed on the side surface of the side ring 221, the screws 222 are in threaded connection with the side ring 221, a pair of threaded holes 113 are disposed on the side surface of both ends of the side seat 110, and the threaded holes 113 are in threaded connection with the screws 222. During the specific use, freely install and dismantle the function between chuck 210 and the side seat 110 through screw rod 222 and the screw hole 113 that set up, be convenient for later stage carry out regular overhaul and spare part change to chuck 210.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a fixed numerical control processing equipment of two chucks, includes frame (10), installs a pair of fixed establishment (20) of frame (10) both sides, its characterized in that: the frame (10) includes side seat (110), side seat (110) side is provided with side groove (111), fixed establishment (20) include at least:
the clamping device comprises a clamping disc (210), wherein a clamping groove (211) is formed in the side surface of the clamping disc (210), the circle center of the clamping groove (211) is horizontally consistent with that of a side groove (111), a plurality of sliding grooves (212) are formed in the side surface of the clamping disc (210), a clamping block (213) is arranged at the inner end of each sliding groove (212), the clamping block (213) is connected with the sliding grooves (212) in a sliding mode, a hydraulic rod (214) is connected to the side surface of each clamping block (213), and the hydraulic rod (214) is arranged at the inner end of the clamping disc (210);
the side face of the connecting disc (220) is provided with a groove, the circle center of the groove is horizontally consistent with that of the side groove (111), the side face of the connecting disc (220) is connected with a side ring (221), and the side ring (221) is fixedly connected with the side face of the side seat (110).
2. The double-chuck fixed numerical control machining apparatus according to claim 1, characterized in that: the inner both sides of side groove (111) all are provided with a pair of inside groove (112), side groove (111) inner is provided with stop gear (120), stop gear (120) include a pair of centre gripping arc board (121), centre gripping arc board (121) the centre of a circle with the side groove (111) centre of a circle keep the level unanimous, centre gripping arc board (121) top is provided with a pair of spliced pole (122), spliced pole (122) top is provided with centre gripping spring (123), centre gripping spring (123) are fixed inside groove (112).
3. The double-chuck fixed numerical control machining apparatus according to claim 2, characterized in that: the inner end of the clamping arc plate (121) is provided with an arc groove (1211), and the inner end of the arc groove (1211) is provided with a plurality of condensation pipes (1212).
4. The double-chuck fixed numerical control machining apparatus according to claim 3, characterized in that: the inner side of the clamping arc plate (121) is provided with a plurality of air holes (1213), the air holes (1213) are uniformly arranged on the inner side of the clamping arc plate (121), and the air holes (1213) are communicated with the arc groove (1211).
5. The double-chuck fixed numerical control machining apparatus according to claim 4, characterized in that: the clamping arc plate is characterized in that a plurality of flitch plates (1214) are arranged on the inner side of the clamping arc plate (121), the flitch plates (1214) are of arc-shaped structures, and the circle centers of the flitch plates (1214) and the clamping arc plate (121) are kept horizontally consistent.
6. The double-chuck fixed numerical control machining apparatus according to claim 5, characterized in that: a plurality of connecting springs (124) are connected between two sides of the two clamping arc plates (121), lantern rings are sleeved on two sides of each connecting spring (124), and the two lantern rings are fixed on the side faces of the two clamping arc plates (121) respectively.
7. The double-chuck fixed numerical control machining apparatus according to claim 1, characterized in that: the sliding groove (212) is of a T-shaped structure, a sliding block (215) is arranged on the side face of the clamping block (213), the cross section size of the sliding block (215) is kept matched with that of the sliding groove (212), and the sliding block (215) is connected with the sliding groove (212) in a sliding mode.
8. The double-chuck fixed numerical control machining apparatus according to claim 7, characterized in that: the tail end of the clamping block (213) is provided with a plurality of grooves (216).
9. The double-chuck fixed numerical control machining apparatus according to claim 1, characterized in that: and a vent groove (217) is formed in one side of the chuck (210), and the vent groove (217) is communicated with the clamping groove (211).
10. The double-chuck fixed numerical control machining apparatus according to claim 1, characterized in that: the side ring (221) is provided with a pair of screws (222) on the side surface, the screws (222) are in threaded connection with the side ring (221), the side surfaces of two ends of the side seat (110) are provided with a pair of threaded holes (113), and the threaded holes (113) are in threaded connection with the screws (222).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111168367.0A CN113751742B (en) | 2021-10-08 | 2021-10-08 | Numerical control machining equipment with double fixed clamping discs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111168367.0A CN113751742B (en) | 2021-10-08 | 2021-10-08 | Numerical control machining equipment with double fixed clamping discs |
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| Publication Number | Publication Date |
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| CN113751742A true CN113751742A (en) | 2021-12-07 |
| CN113751742B CN113751742B (en) | 2022-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111168367.0A Active CN113751742B (en) | 2021-10-08 | 2021-10-08 | Numerical control machining equipment with double fixed clamping discs |
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| CN114192887A (en) * | 2021-12-15 | 2022-03-18 | 洪伟杰 | Four-process vertical numerical control engraving machine |
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| US6470776B1 (en) * | 1997-08-25 | 2002-10-29 | Anca Pty Ltd | Clamping device and method of operation for a CNC machine |
| US20050238450A1 (en) * | 2004-04-22 | 2005-10-27 | Peter Nie | Clamping apparatus with a chuck and a pallet releasably attachable thereto |
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| CN113751742B (en) | 2022-11-04 |
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