CN216828779U - Fixing device for machining of numerical control drilling machine - Google Patents
Fixing device for machining of numerical control drilling machine Download PDFInfo
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- CN216828779U CN216828779U CN202122726396.6U CN202122726396U CN216828779U CN 216828779 U CN216828779 U CN 216828779U CN 202122726396 U CN202122726396 U CN 202122726396U CN 216828779 U CN216828779 U CN 216828779U
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Abstract
The utility model discloses a fixing device for machining a numerical control drilling machine, which adopts the technical scheme that: the novel rotary part comprises a first transverse plate and a second transverse plate, wherein supporting plates are fixedly connected to the tops of the first transverse plate and the second transverse plate, rotary blocks are arranged on the inner sides of the two supporting plates, the outer ends of the two rotary blocks extend to the outer sides of the two supporting plates respectively, first cavities are formed in the two supporting plates, the two rotary blocks penetrate through the first cavities respectively, and part bodies are arranged on the inner sides of the two supporting plates: can make the distance between two fixture blocks change, just so can fix the part body of different thickness, the design through two reciprocal lead screws can make diaphragm one and diaphragm two between the distance grow, just so can fix the longer part body of length, just so can fix the part body of various sizes, just so can increase this utility model's application scope, can carry out popularization on a large scale.
Description
Technical Field
The utility model relates to the technical field of numerical control drilling machines, in particular to a fixing device for machining of a numerical control drilling machine.
Background
The numerical control drilling machine is mainly used for machining of drilling, reaming, tapping and the like. The numerical control drilling machine tool is a numerical control drilling machine tool which mainly performs drilling, and due to the development of a machining center, most of numerical control drilling machines are replaced by the machining center and are often used in the industries of automobiles, locomotives, shipbuilding, aerospace and engineering machinery.
The fixing device for machining the existing numerical control drilling machine can only fix parts with specified sizes when the machined parts are fixed, and the parts cannot be fixed if meeting parts with large sizes, so that the application range is small, the use is inconvenient, and the improvement is needed.
Disclosure of Invention
Therefore, the utility model provides a fixing device for machining of a numerical control drilling machine, which solves the problems in the background technology through the design of a fixing mechanism.
In order to achieve the above purpose, the utility model provides the following technical scheme: a fixing device for machining of a numerical control drilling machine comprises a first transverse plate and a second transverse plate, wherein supporting plates are fixedly connected to the tops of the first transverse plate and the second transverse plate, rotating blocks are arranged on the inner sides of the two supporting plates, the outer ends of the two rotating blocks extend to the outer sides of the two supporting plates respectively, a first cavity is formed in each of the two supporting plates, the two rotating blocks penetrate through the first cavities respectively, part bodies are arranged on the inner sides of the two supporting plates, and fixing mechanisms are arranged on the inner sides of the two rotating blocks;
The fixing mechanism comprises a connecting block, the connecting block is fixedly connected to one side of a rotating block, a cavity II is formed in one side of the rotating block, two clamping blocks are arranged inside the cavity II, one end of the part body extends to the inner sides of the two clamping blocks and is in contact with the clamping blocks, threaded rods are fixedly connected to the tops of the two clamping blocks, the outer ends of the two threaded rods respectively extend to the outer sides of the top and the bottom of the connecting block, threaded blocks are sleeved outside the two threaded rods and are in threaded connection with the threaded rods, the two threaded blocks are embedded at the top and the bottom of the connecting block respectively, two fixing plates are fixedly connected inside the cavity I and are positioned outside the two clamping blocks, through holes are formed in the two fixing plates, the two threaded rods penetrate through the two through holes, springs are arranged on the two sides of the two threaded rods, the outer ends of the two springs positioned at the top of the part body are fixedly connected to the inner sides of one fixing plate and one fixture block, and the outer ends of the two springs positioned at the bottom of the part body are fixedly connected to the inner sides of the other fixing plate and the other fixture block.
It is specific, two threaded blocks of control rotate when fixing the part body, two threaded blocks rotate and drive two threaded rods and remove, just so can drive two fixture blocks and remove, just so can make the distance between two fixture blocks change, just so can fix the part body of different thickness, through changing the distance between diaphragm one and the diaphragm two, just so can fix the longer part body of length, just so can fix the part body of various sizes, just so can increase the application scope of the utility model, popularization on a large scale can be carried out.
Preferably, two cavities two are opened to the cavity one side, the connecting block top outside is equipped with pivot one, pivot one end runs through inside one of them cavity extends to another cavity one in the lump, pivot one and two outside equal fixed cover of screw thread piece are equipped with sprocket one, sprocket one is located inside two cavities, two an outside cover of sprocket is equipped with chain one, two connect through a chain drive between the sprocket one, a pivot top fixedly connected with knob one.
Specifically, the first rotary knob is rotated to drive the first rotary shaft to rotate, the first rotary shaft drives the first two chains to rotate, the first two chains drive the two thread blocks to rotate, and the thread blocks and the rotary shaft can rotate simultaneously through the design of the first chains.
Preferably, two the equal fixedly connected with slider in the connecting block outside, two the spout has all been seted up to the backup pad inboard, the slider inlays to be established inside the spout and with the spout phase-match.
Specifically, the connecting block can appear rocking when rotating, can carry out spacingly to the connecting block through the design of slider, and the connecting block just can be more stable when rotating like this.
Preferably, square grooves are formed in one side of the transverse plate, square rods are fixedly connected to one sides of the transverse plate, and one ends of the square rods extend to the inner portions of the square grooves and are matched with the square grooves.
Specifically, one end of the square rod extends into the square groove and is matched with the square groove, so that relative sliding between the first transverse plate and the second transverse plate can be avoided when the distance between the first transverse plate and the second transverse plate is changed.
Preferably, the front side and the rear side of the first transverse plate are provided with grooves, the other side of the second transverse plate is provided with two reciprocating screws, one ends of the two reciprocating screws respectively extend into the two grooves, bearing seats are sleeved outside the two reciprocating screws, the bearing seats are connected with the reciprocating screws through ball nut pairs, and the bearing seats are respectively and fixedly connected into the two grooves.
Specifically, two reciprocating screw rotate and drive two bearing frames and remove, just so can make diaphragm one and diaphragm two between the distance change, just so can make the part body to different length fix, just so can fix the part body of various sizes.
Preferably, two the outside equal fixed cover of reciprocal lead screw is equipped with sprocket two, sprocket two is located two opposite sides of diaphragm, two the outside cover of sprocket is equipped with chain two, two drive connection through chain two between the sprocket two, one of them threaded rod other end fixedly connected with knob two, reciprocal lead screw and diaphragm two are passed through the bearing and are connected.
Specifically, the second rotary knob drives the reciprocating screw on the rear side to rotate, the reciprocating screw on the rear side rotates to drive the second chain wheel on the rear side to rotate, the second chain wheel on the rear side rotates to drive the second chain wheel on the front side to rotate, the second chain wheel on the front side rotates to drive the reciprocating screw on the front side to rotate, and the two reciprocating screws can rotate simultaneously through the design of the second chain.
Preferably, one of them backup pad one side fixedly connected with motor, the square telescopic link of motor output shaft fixedly connected with, square telescopic link runs through two backup pads, square telescopic link and two outside all fixed sleeves of rotatory piece are equipped with sprocket three, sprocket three is located cavity one inside, two the three outside covers of sprocket are equipped with chain three, two connect through three drives of chain between the sprocket three.
Specifically, need carry out the double-sided processing in man-hour starter motor, motor work drives square telescopic link and rotates, and square telescopic link rotates two sprocket three rotations that drive the below, and two sprocket three rotations of below drive two sprocket three rotations of top, and two sprocket three rotations of top drive two rotatory pieces and rotate to turn over the spare body.
Preferably, the rotating block is connected with the supporting plate through a bearing, and the threaded rod is connected with the connecting block through a bearing.
Specifically, the abrasion caused by the rotation of the rotating block and the threaded rod can be reduced through the connection of the bearing.
Preferably, the first rotating shaft is connected with the connecting block through a bearing.
Specifically, wear caused by rotation of the rotating shaft can be reduced through the bearing connection.
Preferably, the square telescopic rod is connected with the supporting plate through a bearing.
Specifically, the abrasion caused by rotation of the square telescopic rod can be reduced through bearing connection.
The utility model has the beneficial effects that:
1. according to the utility model, the two threaded blocks can be rotated by rotating the first knob, the two threaded blocks are rotated to drive the two threaded rods to move, so that the two clamping blocks can be driven to move, the distance between the two clamping blocks can be changed, part bodies with different thicknesses can be fixed, the distance between the first transverse plate and the second transverse plate can be increased by designing the two reciprocating screws, so that part bodies with longer lengths can be fixed, and part bodies with various sizes can be fixed, so that the application range of the utility model can be increased, and the wide popularization can be realized;
2. According to the utility model, the motor works to drive the square telescopic rod to rotate, the two rotary blocks can be rotated by the rotation of the square telescopic rod, and the part body can be turned by the rotation of the two rotary blocks, so that the part body does not need to be taken down and fixed again during double-sided processing, and the processing efficiency of the part body can be accelerated.
Drawings
FIG. 1 is a schematic view of the overall structure provided by the present invention;
FIG. 2 is a front view cross-section view provided by the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2 according to the present invention;
fig. 4 is a rear perspective view provided by the present invention.
In the figure: the device comprises a transverse plate I, a transverse plate II, a supporting plate 3, a rotating block 4, a part body 5, a connecting block 6, a clamping block 7, a threaded rod 8, a threaded block 9, a fixing plate 10, a spring 11, a rotating shaft I12, a chain wheel I13, a chain I14, a knob I15, a slider 16, a square rod 17, a reciprocating screw rod 18, a bearing seat 19, a chain wheel II 20, a chain II 21, a knob II 22, a motor 23, a square telescopic rod 24, a chain wheel III 25 and a chain III 26.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Referring to the attached drawings 1-4, the fixing device for machining of the numerical control drilling machine, provided by the utility model, comprises a first transverse plate 1 and a second transverse plate 2, wherein supporting plates 3 are fixedly connected to the tops of the first transverse plate 1 and the second transverse plate 2, rotating blocks 4 are arranged on the inner sides of the two supporting plates 3, the outer ends of the two rotating blocks 4 respectively extend to the outer sides of the two supporting plates 3, a first cavity is formed in each of the two supporting plates 3, the two rotating blocks 4 respectively penetrate through the first cavities, part bodies 5 are arranged on the inner sides of the two supporting plates 3, and fixing mechanisms are arranged on the inner sides of the two rotating blocks 4;
the fixing mechanism comprises a connecting block 6, the connecting block 6 is fixedly connected to one side of a rotating block 4, a cavity II is formed in one side of the rotating block 4, two clamping blocks 7 are arranged in the cavity II, one end of the part body 5 extends to the inner sides of the two clamping blocks 7 and is in contact with the clamping blocks 7, threaded rods 8 are fixedly connected to the tops of the two clamping blocks 7, the outer ends of the two threaded rods 8 respectively extend to the outer sides of the tops and the bottoms of the connecting block 6, threaded blocks 9 are sleeved outside the two threaded rods 8, the threaded blocks 9 are in threaded connection with the threaded rods 8, the two threaded blocks 9 are respectively embedded at the tops and the bottoms of the connecting block 6, two fixing plates 10 are fixedly connected to the inner portion of the cavity I, the two fixing plates 10 are located at the outer sides of the two clamping blocks 7, through holes are formed in the two fixing plates 10, and the two threaded rods 8 penetrate through the through holes, springs 11 are arranged on two sides of each of the two threaded rods 8, the outer ends of the two springs 11 positioned at the top of the part body 5 are fixedly connected to the inner sides of one fixing plate 10 and one fixture block 7, and the outer ends of the two springs 11 positioned at the bottom of the part body 5 are fixedly connected to the inner sides of the other fixing plate 10 and the other fixture block 7;
In the embodiment, when the part body 5 is fixed, the two thread blocks 9 are controlled to rotate, the two thread blocks 9 rotate to drive the two threaded rods 8 to move, so that the two fixture blocks 7 can be driven to move, the distance between the two fixture blocks 7 can be changed, the part bodies 5 with different thicknesses can be fixed, the part bodies 5 with longer length can be fixed by changing the distance between the first transverse plate 1 and the second transverse plate 2, and the part bodies 5 with various sizes can be fixed, so that the application range of the utility model can be enlarged, and the popularization in a large range can be realized;
wherein, in order to realize the purpose of transmission, this device adopts following technical scheme to realize: two cavities II are formed in one side of each cavity, a first rotating shaft 12 is arranged on the outer side of the top of each connecting block 6, one end of each first rotating shaft 12 penetrates through one cavity and extends into the other cavity I, chain wheels 13 are fixedly sleeved outside the first rotating shaft 12 and the two thread blocks 9, the chain wheels 13 are located inside the cavities II, chains 14 are sleeved outside the two chain wheels 13, the two chain wheels 13 are in driving connection through the chains 14, a first knob 15 is fixedly connected to the top end of the first rotating shaft 12, and the thread blocks 9 and the first rotating shafts 12 can rotate simultaneously through the chains 14;
Wherein, in order to realize the purpose of rotational stability, this device adopts following technical scheme to realize: the outer sides of the two connecting blocks 6 are fixedly connected with sliding blocks 16, the inner sides of the two supporting plates 3 are provided with sliding grooves, the sliding blocks 16 are embedded in the sliding grooves and matched with the sliding grooves, and the sliding blocks 16 can enable the connecting blocks 6 to be more stable in rotation;
wherein, in order to realize the purpose that the distance between diaphragm one 1 and the diaphragm two 2 changes, this device adopts following technical scheme to realize: one side of the first transverse plate 1 is provided with a square groove, one side of the second transverse plate 2 is fixedly connected with a square rod 17, one end of the square rod 17 extends into the square groove and is matched with the square groove, the front side and the rear side of the first transverse plate 1 are both provided with grooves, the other side of the second transverse plate 2 is provided with two reciprocating screws 18, one ends of the two reciprocating screws 18 respectively extend into the two grooves, bearing blocks 19 are sleeved outside the two reciprocating screws 18, the bearing blocks 19 are connected with the reciprocating screws 18 through ball nut pairs, the two bearing blocks 19 are respectively and fixedly connected into the two grooves, a second chain wheel 20 is fixedly sleeved outside the two reciprocating screws 18, the second chain wheel 20 is positioned on the other side of the second transverse plate 2, a second chain 21 is sleeved outside the two second chain wheels 20, and the two second chain wheels 20 are in driving connection through a second chain 21, the other end of one of the threaded rods 8 is fixedly connected with a second knob 22, the reciprocating screw rod 18 is connected with the second transverse plate 2 through a bearing, the second knob 22 is rotated to drive the reciprocating screw rod 18 at the rear side to rotate, the reciprocating screw rod 18 at the rear side rotates to drive the second chain wheel 20 at the rear side to rotate, the second chain wheel 20 at the rear side rotates to drive the second chain wheel 20 at the front side to rotate, the second chain wheel 20 at the front side rotates to drive the reciprocating screw rod 18 at the front side to rotate, and the two reciprocating screw rods 18 rotate to drive the two bearing seats 19 to move, so that the distance between the first transverse plate 1 and the second transverse plate 2 can be changed, and part bodies 5 with different lengths can be fixed;
Wherein, in order to realize the purpose of turn-over, this device adopts the following technical scheme to realize: one side of one of the supporting plates 3 is fixedly connected with a motor 23, an output shaft of the motor 23 is fixedly connected with a square telescopic rod 24, the square telescopic rod 24 penetrates through the two support plates 3, the outer parts of the square telescopic rod 24 and the two rotating blocks 4 are fixedly sleeved with a third chain wheel 25, the third chain wheel 25 is positioned in the first cavity, the third chain wheel 26 is sleeved outside the two third chain wheels 25, the two third chain wheels 25 are in driving connection through the third chain wheel 26, the motor 23 works to drive the square telescopic rod 24 to rotate, the square telescopic rod 24 rotates to drive the lower two third chain wheels 25 to rotate, the lower two third chain wheels 25 rotate to drive the upper two third chain wheels 25 to rotate, the upper two third chain wheels 25 rotate to drive the two rotating blocks 4 to rotate, and therefore the two connecting blocks 6 can rotate, therefore, the part body 5 is turned over, so that the part body 5 does not need to be taken down and fixed again during double-sided processing;
wherein, in order to realize the purpose of reducing the abrasion, the device adopts the following technical scheme to realize: rotatory piece 4 passes through the bearing with backup pad 3 and is connected, threaded rod 8 passes through the bearing with connecting block 6 and is connected, pivot 12 passes through the bearing with connecting block 6 and is connected, square telescopic link 24 passes through the bearing with backup pad 3 and is connected, and the bearing is connected through to many places and can reduce wear.
The application process of the utility model is as follows: when the utility model is used for fixing part bodies 5 with different sizes, the first rotary knob 15 is rotated to drive the first rotary shaft 12 to rotate, the first rotary shaft 12 drives the first two chains 14 to rotate, the first two chains 14 drive the second two thread blocks 9 to rotate, the second two thread blocks 9 drive the second two thread rods 8 to move, so that the distance between the two thread rods 8 is increased, the distance between the fixture blocks 7 is increased, parts with different thicknesses can be fixed, then the second rotary knob 22 drives the reciprocating lead screw 18 at the rear side to rotate, the reciprocating lead screw 18 at the rear side rotates to drive the second sprocket 20 at the rear side to rotate, the second sprocket 20 at the rear side rotates to drive the second sprocket 20 at the front side to rotate, the reciprocating lead screw 18 at the front side rotates to drive the two bearing seats 19 to move, so that the distance between the first transverse plate 1 and the second transverse plate 2 is changed, just so can make and fix the part body 5 to different length, just so can fix the part body 5 of each various size, just so can increase this utility model's application scope, can carry out popularization on a large scale, need carry out two-sided man-hour starter motor 23 with man-hour, motor 23 work drives square telescopic link 24 and rotates, square telescopic link 24 rotates two sprocket three 25 that drive the below and rotates, two sprocket three 25 of below rotate two sprocket three 25 that drive the top and rotate, two sprocket three 25 of top rotate and drive two rotatory pieces 4 and rotate, just so can make two connecting block 6 rotate, thereby turn over part body 5, just so need not take off part body 5 and fix again when carrying out two-sided man-hour, just so can accelerate part body 5's machining efficiency.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a fixing device that numerical control drilling machine processing was used, includes diaphragm one (1) and diaphragm two (2), its characterized in that: the top parts of the first transverse plate (1) and the second transverse plate (2) are fixedly connected with supporting plates (3), rotating blocks (4) are arranged on the inner sides of the two supporting plates (3), the outer ends of the two rotating blocks (4) extend to the outer sides of the two supporting plates (3) respectively, a first cavity is formed in each of the two supporting plates (3), the two rotating blocks (4) penetrate through the first cavities respectively, part bodies (5) are arranged on the inner sides of the two supporting plates (3), and fixing mechanisms are arranged on the inner sides of the two rotating blocks (4);
the fixing mechanism comprises a connecting block (6), the connecting block (6) is fixedly connected to one side of a rotating block (4), a cavity II is formed in one side of the rotating block (4), two clamping blocks (7) are arranged inside the cavity II, one end of the part body (5) extends to the inner sides of the two clamping blocks (7) and is in contact with the clamping blocks (7), threaded rods (8) are fixedly connected to the tops of the two clamping blocks (7), the outer ends of the two threaded rods (8) respectively extend to the outer sides of the top and the bottom of the connecting block (6), threaded blocks (9) are sleeved outside the two threaded rods (8), the threaded blocks (9) are in threaded connection with the threaded rods (8), the two threaded blocks (9) are respectively embedded in the top and the bottom of the connecting block (6), two fixing plates (10) are fixedly connected to the inside of the cavity I, and the two fixing plates (10) are positioned outside the two clamping blocks (7), two the through-hole has all been seted up to fixed plate (10) inside, two threaded rod (8) run through two through-holes, two threaded rod (8) both sides all are equipped with spring (11), are located two at part body (5) top the equal fixed connection in spring (11) outer end is inboard at one of them fixed plate (10) and one of them fixture block (7), is located two of part body (5) bottom the equal fixed connection in spring (11) outer end is inboard at another fixed plate (10) and another fixture block (7).
2. The fixing device for the numerical control drilling machine machining according to claim 1, is characterized in that: the utility model discloses a chain wheel, including cavity one side, connecting block (6), connecting block (9), sprocket (13), chain wheel (13) and connecting block (12), the cavity one side is opened and is equipped with two cavities two, connecting block (6) top outside is equipped with pivot one (12), pivot one (12) end runs through one of them cavity and extends to inside another cavity in the lump, pivot one (12) and two outside equal fixed sleeves of screw thread piece (9) are equipped with sprocket (13), sprocket (13) are located cavity two insidely, two sprocket (13) outside cover is equipped with chain one (14), two connect through chain one (14) drive between sprocket (13), pivot one (12) top fixedly connected with knob (15).
3. The fixing device for the numerical control drilling machine machining according to claim 1, is characterized in that: two equal fixedly connected with slider (16) in connecting block (6) outside, two the spout has all been seted up to backup pad (3) inboard, slider (16) inlay establish inside the spout and with the spout phase-match.
4. The fixing device for the numerical control drilling machine machining according to claim 1, is characterized in that: the square groove has been seted up to diaphragm one (1) one side, diaphragm two (2) one side fixedly connected with square pole (17), square pole (17) one end extend to square inslot portion and with square groove phase-match.
5. The fixing device for the numerical control drilling machine machining according to claim 1, is characterized in that: the front side and the rear side of the first transverse plate (1) are provided with grooves, the other side of the second transverse plate (2) is provided with two reciprocating lead screws (18), two ends of the reciprocating lead screws (18) extend into the two grooves respectively, two bearing seats (19) are sleeved outside the reciprocating lead screws (18), the bearing seats (19) are connected with the reciprocating lead screws (18) through ball nut pairs, and the bearing seats (19) are fixedly connected inside the two grooves respectively.
6. The fixing device for the numerical control drilling machine machining according to claim 5, is characterized in that: two outside all fixed cover of reciprocal lead screw (18) is equipped with sprocket two (20), sprocket two (20) are located diaphragm two (2) opposite side, two the outside cover of sprocket two (20) is equipped with chain two (21), two connect through two (21) drives of chain between sprocket two (20), one of them threaded rod (8) other end fixedly connected with knob two (22), reciprocal lead screw (18) passes through the bearing with diaphragm two (2) and is connected.
7. The fixing device for the numerical control drilling machine machining according to claim 1, is characterized in that: one of them backup pad (3) one side fixedly connected with motor (23), motor (23) output shaft fixedly connected with square telescopic link (24), square telescopic link (24) run through two backup pads (3), square telescopic link (24) and two rotatory piece (4) outside equal fixed sleeves are equipped with three (25) of sprocket, three (25) of sprocket are located cavity one inside, two the outside cover of three (25) of sprocket is equipped with three (26), two through three (26) drive connection of chain between three (25) of sprocket.
8. The fixing device for the numerical control drilling machine machining according to claim 1, characterized in that: the rotating block (4) is connected with the supporting plate (3) through a bearing, and the threaded rod (8) is connected with the connecting block (6) through a bearing.
9. The fixing device for the numerical control drilling machine machining according to claim 2, characterized in that: the first rotating shaft (12) is connected with the connecting block (6) through a bearing.
10. The fixing device for the numerical control drilling machine machining according to claim 7, characterized in that: the square telescopic rod (24) is connected with the support plate (3) through a bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122726396.6U CN216828779U (en) | 2021-11-09 | 2021-11-09 | Fixing device for machining of numerical control drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122726396.6U CN216828779U (en) | 2021-11-09 | 2021-11-09 | Fixing device for machining of numerical control drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216828779U true CN216828779U (en) | 2022-06-28 |
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ID=82102188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122726396.6U Active CN216828779U (en) | 2021-11-09 | 2021-11-09 | Fixing device for machining of numerical control drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216828779U (en) |
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2021
- 2021-11-09 CN CN202122726396.6U patent/CN216828779U/en active Active
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