CN216633458U - Workpiece clamping mechanism for numerical control machine tool - Google Patents
Workpiece clamping mechanism for numerical control machine tool Download PDFInfo
- Publication number
- CN216633458U CN216633458U CN202123052865.7U CN202123052865U CN216633458U CN 216633458 U CN216633458 U CN 216633458U CN 202123052865 U CN202123052865 U CN 202123052865U CN 216633458 U CN216633458 U CN 216633458U
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- Prior art keywords
- fixedly connected
- piston cylinder
- machine tool
- spring
- control machine
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- 238000005507 spraying Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 50
- 239000000779 smoke Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 abstract description 2
- 239000003595 mist Substances 0.000 description 6
- 239000007921 spray Substances 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a workpiece clamping mechanism for a numerical control machine tool, which comprises a clamping shell, wherein a bottom plate is fixedly connected to the inner bottom surface of the clamping shell, a groove is formed in the bottom plate, a sliding rod is fixedly connected in the groove, a first spring is sleeved on the sliding rod, two sliding blocks in sliding connection with the sliding rod are sleeved on the sliding rod, two ends of the first spring are fixedly connected with the two sliding blocks, two first wedge-shaped blocks are connected to the bottom plate in a sliding mode, the two first wedge-shaped blocks are respectively and fixedly connected with the two sliding blocks, and a lifting plate is connected to the inner wall of the clamping shell in a sliding mode. According to the utility model, the two first wedge-shaped blocks move oppositely to clamp workpieces of any specification, so that the range of workpieces which can be processed by a numerical control machine tool is enlarged; the spraying structure is used for spraying and cooling the workpiece being processed, so that influence caused by overhigh temperature in the processing process can be avoided.
Description
Technical Field
The utility model relates to the technical field of numerical control machine tools, in particular to a workpiece clamping mechanism for a numerical control machine tool.
Background
The numerical control machine tool is a digital control machine tool for short, and is an automatic machine tool provided with a program control system. The control system is capable of logically processing a program defined by control codes or other symbolic instructions, represented by coded numbers, which are input to the numerical control device via the information carrier.
The existing numerical control machine tool clamping mechanism can only clamp workpieces with specific sizes, but cannot clamp workpieces with other sizes, and the whole clamping mechanism has no universality; and after the clamping workpiece begins to be processed, a large amount of heat is generated in the processing process, and the whole device is damaged by long-time high temperature.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a workpiece clamping mechanism for a numerical control machine tool.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a workpiece clamping mechanism for a numerical control machine tool comprises a clamping shell, a bottom plate is fixedly connected to the inner bottom surface of the clamping shell, a groove is formed in the bottom plate, a sliding rod is fixedly connected to the groove, a first spring is sleeved on the sliding rod, two sliding blocks in sliding connection with the sliding rod are sleeved on the sliding rod, two ends of the first spring are fixedly connected with the two sliding blocks, two first wedge blocks are connected to the bottom plate in a sliding mode and are fixedly connected with the two sliding blocks respectively, a lifting plate is connected to the inner wall of the clamping shell in a sliding mode, two second wedge blocks are fixedly connected to the lower end of the lifting plate, the two second wedge blocks correspond to the first wedge blocks on the same side respectively, a base is fixedly connected to the upper end of the lifting plate, a rack plate in sliding connection with the inner wall of the base is arranged in the base, and a motor is fixedly connected to the upper end of the clamping shell, the improved motor is characterized in that a first rotating shaft is fixedly connected to the output end of the motor, a gear is fixedly connected to the first rotating shaft, the gear and the rack plate are meshed with each other, and a spraying structure is installed at the upper end of the clamping shell.
Preferably, the spraying structure comprises a piston cylinder fixedly connected with the top end of the clamping shell, a piston connected with the inner wall of the piston cylinder in a sliding manner is arranged in the piston cylinder, the inner walls of the piston and the piston cylinder are fixedly connected with a second spring together, the side wall of the piston cylinder is provided with a second rotating shaft which is rotatably connected with the piston cylinder in a penetrating way, the first rotating shaft is fixedly connected with a one-way bearing which is fixedly connected with the second rotating shaft, the second rotating shaft is fixedly connected with a rotating disc which is propped against the piston, the upper end of the clamping shell is fixedly connected with a water tank, a first water pipe is arranged between the water tank and the piston cylinder, a second water pipe is arranged on the piston cylinder, the second water pipe runs through the upper wall of the clamping shell and the lifting plate, the water mist spray head is installed on the second water pipe, and a first check valve and a second check valve are installed in the first water pipe and the second water pipe respectively.
Preferably, install the third spring in the base, the both ends of third spring respectively with the interior bottom surface and the rack board fixed connection of base.
Preferably, be equipped with the sliding tray in the rack board, be equipped with rather than sliding connection's bullet piece in the sliding tray, bullet piece and rack board tooth fixed connection of upper extreme, the common fixedly connected with fourth spring of the interior bottom surface of the lower extreme of bullet piece and sliding tray.
Preferably, the second rotating shaft is not fixedly connected with the center of the rotating disc, and the rotating disc does not abut against the piston cylinder when rotating.
Preferably, the first check valve is a water inlet check valve, and the second check valve is a water outlet check valve.
Compared with the prior art, the utility model has the beneficial effects that:
1. through two first wedge removals in opposite directions, carry out the centre gripping to the work piece, can carry out the centre gripping to the work piece of arbitrary specification, increased the workable work piece scope of digit control machine tool.
2. Water in the water tank is sprayed out through the spray structure piston through the water mist spray head, water mist is sprayed on a workpiece being machined, and the workpiece which generates heat due to machining of the cutting lamp is cooled.
3. The operation of the workpiece clamping and spraying structure only uses one motor as a power source, so that the manufacturing cost of the whole equipment is saved.
In conclusion, the two first wedge-shaped blocks move oppositely to clamp workpieces of any specification, so that the range of workpieces which can be processed by the numerical control machine tool is enlarged; the spraying structure is used for spraying and cooling the workpiece being processed, so that influence caused by overhigh temperature in the processing process can be avoided.
Drawings
Fig. 1 is a front sectional view of a workpiece clamping mechanism for a numerical control machine tool according to the present invention.
Fig. 2 is a side sectional view of a part of the structure.
Fig. 3 is an enlarged view at a.
In the figure: the device comprises a clamping shell 1, a bottom plate 2, a sliding rod 3, a first wedge-shaped block 4, a sliding block 5, a first spring 6, a second wedge-shaped block 7, a lifting plate 8, a base 9, a rack plate 10, a motor 11, a first rotating shaft 12, a gear 13, a one-way bearing 14, a second rotating shaft 15, a rotating disc 16, a piston cylinder 17, an elastic block 18, a piston 19, a second spring 20, a water tank 21, a first water pipe 22, a second water pipe 23, a third spring 24 and a fourth spring 25.
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.
Referring to fig. 1-3, a work piece fixture for digit control machine tool, including centre gripping shell 1, fixedly connected with bottom plate 2 on the interior bottom surface of centre gripping shell 1, there is a recess in the bottom plate 2, fixedly connected with slide bar 3 in the recess, the cover is equipped with first spring 6 on the slide bar 3, the cover is equipped with two slider 5 rather than sliding connection on the slide bar 3, the both ends and two slider 5 fixed connection of first spring 6, sliding connection has two first wedges 4 on bottom plate 2, two first wedges 4 respectively with two slider 5 fixed connection, sliding connection has lifter plate 8 on the inner wall of centre gripping shell 1.
Two second wedge blocks 7 of 8 lower extremes of lifter plate, two second wedge blocks 7 are corresponding with the first wedge block 4 of homonymy respectively, 8 upper end fixedly connected with bases 9 of lifter plate, be equipped with in the base 9 rather than inner wall sliding connection's rack plate 10, install third spring 24 in the base 9, the both ends of third spring 24 respectively with the interior bottom surface of base 9 and rack plate 10 fixed connection, third spring 24 can make when first wedge block 4 offsets with the work piece, second wedge block 7, lifter plate 8, rack plate 10 extrudees third spring 24 when base 9 can't continue to descend, make gear 13 continue to rotate, until the last tooth meshing with rack plate 10.
The upper end fixedly connected with motor 11 of centre gripping shell 1, the first pivot 12 of fixedly connected with on the output of motor 11, fixedly connected with gear 13 on the first pivot 12, gear 13 and rack plate 10 intermeshing, be equipped with the sliding tray in the rack plate 10, be equipped with the bullet piece 18 rather than sliding connection in the sliding tray, bullet piece 18 and rack plate 10 upper end tooth fixed connection, the common fixedly connected with fourth spring 25 of the interior bottom surface of the lower extreme of bullet piece 18 and sliding tray, the sufficient length of base 9, make before the last tooth meshing of gear 13 and rack plate 10, rack plate 10 has not yet fallen to the bottommost of base 9, the spraying structure is installed to the upper end of centre gripping shell 1.
The spraying structure comprises a piston cylinder 17 fixedly connected with the top end of a clamping shell 1, a piston 19 connected with the inner wall of the piston cylinder 17 in a sliding manner is arranged in the piston cylinder 17, a second spring 20 is fixedly connected with the inner walls of the piston 19 and the piston cylinder 17 together, a second rotating shaft 15 connected with the piston cylinder 17 in a rotating manner is arranged on the side wall of the piston cylinder 17 in a penetrating manner, a one-way bearing 14 is fixedly connected with a first rotating shaft 12, the one-way bearing 14 is fixedly connected with the second rotating shaft 15, a rotating disc 16 is fixedly connected with the second rotating shaft 15, the second rotating shaft 15 is not fixedly connected with the center of the rotating disc 16, the rotating disc 16 is not propped against the piston cylinder 17 when rotating, the rotating disc 16 is propped against the piston 19, a water tank 21 is fixedly connected with the upper end of the clamping shell 1, a first water pipe 22 is arranged between the water tank 21 and the piston cylinder 17, a second water pipe 23 is arranged on the piston cylinder 17, the second water pipe 23 penetrates through the upper wall of the clamping shell 1 and the lifting plate 8, a water spray nozzle is arranged on the second water pipe 23, a first check valve and a second check valve are respectively arranged in the first water pipe 22 and the second water pipe 23, the first check valve is a water inlet check valve, and the second check valve is a water outlet check valve.
The working principle is as follows: when a numerical control machine tool is required to clamp workpieces with any specification, a worker firstly places the workpieces on the bottom plate 2, then the motor 11 is started to rotate forward, the motor 11 drives the first rotating shaft 12 and the gear 13 to rotate forward, thereby driving the rack plate 10, the base 9, the lifting plate 8 and the second wedge-shaped block 7 to move downwards, the second wedge-shaped block 7 is propped against the first wedge-shaped blocks 4 when moving downwards, the two first wedge-shaped blocks 4 move oppositely, the first spring 6 is compressed, thereby completing the clamping of the workpiece, when the workpiece has been clamped, the base 9 does not move downward any more, the rack plate 10 presses the third spring 24 to continue moving downward, when the pinion 13 is engaged with the last tooth of the rack plate 10, the last tooth is continuously rebounded by the third spring 24 and the spring block 18 to be engaged with the pinion 13, and the rack plate 10 is not moved downward any more.
When the gear 13 is driven by the first rotating shaft 12 to rotate positively, the one-way bearing 14, the second rotating shaft 15 and the rotating disc 16 are also driven to rotate, the piston 19 is extruded when the rotating disc 16 rotates, the piston 19 reciprocates up and down under the combined action of the rotating disc 16 and the second spring 20, when the piston 19 moves upwards, the first one-way valve is opened, the second one-way valve is closed, water in the water tank 21 flows to the piston cylinder 17 from the water tank 21 through the first water pipe 22, when the piston 19 moves downwards, the first one-way valve is closed, the second one-way valve is opened, water in the piston cylinder 17 flows to the water mist nozzle from the piston cylinder 17 through the second water pipe 23, and the water is changed into water mist through the water mist nozzle to be sprayed to a clamped workpiece, so that the workpiece being processed is cooled.
After the workpiece is machined, the motor 11 is turned off, the motor 11 is restarted to rotate reversely, the second wedge block 7 moves upwards to be not abutted to the first wedge block 4, the two first wedge blocks 4 move in opposite directions under the action of the elastic force of the first spring 6 to clamp the workpiece, and the first rotating shaft 12 rotates reversely, so that the second rotating shaft 15 cannot be driven to rotate through the one-way bearing 14, and the spraying device cannot operate.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a work piece fixture for digit control machine tool, includes centre gripping shell (1), its characterized in that: fixedly connected with bottom plate (2) on the interior bottom surface of centre gripping shell (1), there is a recess in bottom plate (2), fixedly connected with slide bar (3) in the recess, the cover is equipped with first spring (6) on slide bar (3), the cover is equipped with two slider (5) rather than sliding connection on slide bar (3), the both ends and two slider (5) fixed connection of first spring (6), sliding connection has two first wedge (4) on bottom plate (2), two first wedge (4) respectively with two slider (5) fixed connection, sliding connection has lifter plate (8) on the inner wall of centre gripping shell (1), two second wedge (7) of lifter plate (8) lower extreme fixedly connected with, two second wedge (7) are corresponding with first wedge (4) of homonymy respectively, lifter plate (8) upper end fixedly connected with base (9), be equipped with rack plate (10) rather than inner wall sliding connection in base (9), centre gripping shell (1) upper end fixedly connected with motor (11), the first pivot (12) of fixedly connected with on the output of motor (11), fixedly connected with gear (13) on first pivot (12), gear (13) and rack plate (10) intermeshing, the spraying structure is installed to the upper end of centre gripping shell (1).
2. The workpiece clamping mechanism for the numerical control machine tool according to claim 1, characterized in that the spraying structure comprises a piston cylinder (17) fixedly connected with the top end of the clamping shell (1), a piston (19) slidably connected with the inner wall of the piston cylinder (17) is arranged in the piston cylinder (17), a second spring (20) is fixedly connected with the inner walls of the piston (19) and the piston cylinder (17) together, a second rotating shaft (15) rotatably connected with the piston cylinder (17) penetrates through the side wall of the piston cylinder (17), a one-way bearing (14) is fixedly connected with the first rotating shaft (12), the one-way bearing (14) is fixedly connected with the second rotating shaft (15), a turntable (16) is fixedly connected with the second rotating shaft (15), the turntable (16) is abutted against the piston (19), a water tank (21) is fixedly connected with the upper end of the clamping shell (1), install first water pipe (22) between water tank (21) and piston cylinder (17), install second water pipe (23) on piston cylinder (17), second water pipe (23) run through the upper wall and lifter plate (8) setting of centre gripping shell (1), install the water smoke shower nozzle on second water pipe (23), install first check valve and second check valve in first water pipe (22) and second water pipe (23) respectively.
3. The workpiece clamping mechanism for the numerical control machine tool according to claim 1, characterized in that a third spring (24) is installed in the base (9), and both ends of the third spring (24) are respectively fixedly connected with the inner bottom surface of the base (9) and the rack plate (10).
4. The workpiece clamping mechanism for the numerical control machine tool according to claim 1, characterized in that a sliding groove is arranged in the rack plate (10), an elastic block (18) is arranged in the sliding groove and is connected with the sliding groove in a sliding manner, the elastic block (18) is fixedly connected with the teeth at the uppermost end of the rack plate (10), and a fourth spring (25) is fixedly connected with the lower end of the elastic block (18) and the inner bottom surface of the sliding groove together.
5. The workpiece clamping mechanism for the numerical control machine tool according to claim 2, characterized in that the second rotating shaft (15) is not fixedly connected with the center of the rotating disc (16), and the rotating disc (16) does not abut against the piston cylinder (17) when rotating.
6. The workpiece clamping mechanism for the numerical control machine tool according to claim 2, wherein the first check valve is a water inlet check valve, and the second check valve is a water outlet check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123052865.7U CN216633458U (en) | 2021-12-07 | 2021-12-07 | Workpiece clamping mechanism for numerical control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123052865.7U CN216633458U (en) | 2021-12-07 | 2021-12-07 | Workpiece clamping mechanism for numerical control machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216633458U true CN216633458U (en) | 2022-05-31 |
Family
ID=81740034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123052865.7U Expired - Fee Related CN216633458U (en) | 2021-12-07 | 2021-12-07 | Workpiece clamping mechanism for numerical control machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216633458U (en) |
-
2021
- 2021-12-07 CN CN202123052865.7U patent/CN216633458U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220531 |
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| CF01 | Termination of patent right due to non-payment of annual fee |