CN210938243U - Pneumatic clamping device of numerical control processing - Google Patents
Pneumatic clamping device of numerical control processing Download PDFInfo
- Publication number
- CN210938243U CN210938243U CN201921409402.1U CN201921409402U CN210938243U CN 210938243 U CN210938243 U CN 210938243U CN 201921409402 U CN201921409402 U CN 201921409402U CN 210938243 U CN210938243 U CN 210938243U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- clamping device
- guide
- clamping
- movable seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a pneumatic clamping device of numerical control processing, a serial communication port, include: the clamping device comprises a base, a pressing device and a clamping device; the clamping device comprises a left clamping device, a right clamping device and a driving device; the left clamping device comprises a first screw rod and a first clamping block connected with the first screw rod, a first threaded hole is formed in the first clamping block, and one end of the first screw rod is connected with the first threaded hole; the right clamping device comprises a second screw rod and a second clamping block connected with the second screw rod, a second threaded hole is formed in the second clamping block, and one end of the second screw rod is connected with the second threaded hole; the driving device comprises a first air cylinder, a rack connected with the first air cylinder and a gear meshed with the rack; one of the first screw rod and the second screw rod is a left-handed screw rod, the other of the first screw rod and the second screw rod is a right-handed screw rod, and the other ends of the first screw rod and the second screw rod are fixed with the gear.
Description
Technical Field
The utility model relates to a machining auxiliary assembly technical field especially relates to a pneumatic clamping device of numerical control processing.
Background
Most of workpieces machined on the current CNC machine tool are clamped and machined by bench clamps, manual tool setting and positioning are needed during production, and the positioning mode is simple; and when the machined workpiece is replaced every time, the workpiece needs to be replaced manually, and the tool is reset again. The problems of unsatisfactory processing precision, troublesome workpiece replacement, labor hour waste and the like exist, and the method is not suitable for batch processing production. And the existing numerical control machining pneumatic clamping device has simpler functions, thereby bringing great inconvenience to the use.
Disclosure of Invention
To the problem that exists among the prior art, the utility model aims to provide a numerical control processing pneumatic clamping device who facilitates the use and machining precision is high.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a pneumatic clamping device of numerical control processing which characterized in that includes: the clamping device comprises a base, a pressing device and a clamping device; the base is used for placing the workpiece, the pressing device is used for pressing the workpiece downwards, and the clamping device is used for clamping the workpiece from two sides; the clamping device comprises a left clamping device, a right clamping device and a driving device; the left clamping device comprises a first screw rod and a first clamping block connected with the first screw rod, a first threaded hole is formed in the first clamping block, and one end of the first screw rod is connected with the first threaded hole; the right clamping device comprises a second screw rod and a second clamping block connected with the second screw rod, a second threaded hole is formed in the second clamping block, and one end of the second screw rod is connected with the second threaded hole; the driving device comprises a first air cylinder, a rack connected with the first air cylinder and a gear meshed with the rack; one of the first screw rod and the second screw rod is a left-handed screw rod, the other of the first screw rod and the second screw rod is a right-handed screw rod, and the other ends of the first screw rod and the second screw rod are fixed with the gear.
As a further explanation of the above scheme, a first movable seat is fixed on the first screw rod, a first threaded hole is formed in the first movable seat, a first guide groove matched with the first movable seat is formed in the base, and the first movable seat is slidably mounted on the first guide groove.
As a further explanation of the above scheme, the first guide groove is a T-shaped groove, and the first threaded hole is arranged on a portion of the first movable seat, which is located in the first guide groove
As a further explanation of the above scheme, a second movable seat is fixed on the second screw rod, a second threaded hole is formed in the second movable seat, a second guide groove matched with the second movable seat is formed in the base, and the second movable seat is slidably mounted on the second guide groove.
As a further explanation of the above scheme, the second guide groove is a T-shaped groove, and the second threaded hole is disposed on a portion of the second movable seat, which is located in the second guide groove.
As a further explanation of the above scheme, the left clamping devices are divided into two and are respectively arranged at the front and rear positions of the left end of the base; the number of the right clamping devices is two, and the right clamping devices are respectively arranged at the front and the rear of the right end of the base.
As a further explanation of the above scheme, the driving device is arranged in the middle of the base, a longitudinal slot is arranged in the center of the base, the rack is longitudinally movably arranged in the longitudinal slot, the upper side of the rack is engaged with the lower side of the gear, and the rear end of the rack is fixedly connected with the piston rod of the first cylinder.
As a further explanation of the above scheme, the first cylinder is fixedly arranged inside the base.
As a further explanation of the above scheme, the guide compressing device comprises a second air cylinder, a clamping groove, a clamping block, a movable cylinder, a guide cylinder, a fixed sleeve, a guide block, a guide chute and a pressing block; the clamping groove is formed in the telescopic rod of the second air cylinder, the fixed sleeve is a hollow sleeve and is fixedly connected to the second air cylinder, the clamping block, the movable cylinder and the guide cylinder are sequentially arranged in the fixed sleeve from bottom to top, and the pressing block is fixed to the top of the guide cylinder; the lower side of the movable column body is movably connected to the clamping groove through the clamping block, and the top of the movable column body is fixedly connected with the guide column body; the outer circular surface of the guide cylinder is provided with the guide sliding groove, the fixed sleeve is fixedly connected with the guide block, and the inner side of the guide block is positioned in the guide sliding groove.
The utility model has the advantages that:
the clamping block I and the clamping block II are driven to clamp the workpiece in two pairs by extending the cylinder I, so that the machining precision of the workpiece is ensured, and the machining precision can also be ensured when blanks of the workpiece are inconsistent; the pressing device ensures the reliability and stability of the processing.
And secondly, a guide sliding groove is formed in the outer part of the guide cylinder, and is matched with the guide block, so that the pressing block can rotate ninety degrees after moving upwards, and the workpiece can be smoothly placed on the base, and the use effect is improved.
Drawings
Fig. 1 shows the structure diagram of the pneumatic clamping device for numerical control machining provided by the utility model.
Fig. 2 shows the structure diagram of the pressing device of the numerical control machining pneumatic clamping device provided by the utility model.
Description of reference numerals:
1: base, 2: screw rod I, 3: guide groove I, 4: a first movable seat, 5: a first clamping block, 6: pressing device, 7: workpiece, 8: gear, 9: rack, 10: a first cylinder, 11: a second clamping block, 12: and a second guide groove 13: screw II, 14: a second movable seat 61: cylinder two, 62: card slot, 63: a latch, 64: movable column, 65: guide cylinder, 66: fixed cover, 67: guide block, 68: guide chute, 69: and (7) briquetting.
Detailed Description
In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "at least" means one or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.
The following description will be further made in conjunction with the accompanying drawings of the specification, so that the technical solution and the advantages of the present invention are clearer and clearer. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.
As shown in fig. 1 and 2, the pneumatic clamping device for numerical control machining is characterized by comprising: the device comprises a base 1, a pressing device 6 and a clamping device; the base 1 is used for placing the workpiece 7, the pressing device 6 is used for pressing the workpiece 7 downwards, and the clamping device is used for clamping the workpiece from two sides;
the clamping device comprises a left clamping device, a right clamping device and a driving device;
the left clamping device comprises a first screw rod 2 and a first clamping block 5 connected with the first screw rod 2, a first threaded hole is formed in the first clamping block 5, and one end of the first screw rod 2 is connected with the first threaded hole;
the right clamping device comprises a second screw rod 13 and a second clamping block 11 connected with the second screw rod 13, a second threaded hole is formed in the second clamping block 11, and one end of the second screw rod 13 is connected with the second threaded hole;
the driving device comprises a first air cylinder 10, a rack 9 connected with the first air cylinder 10 and a gear 8 meshed with the rack 9;
one of the first screw rod 2 and the second screw rod 13 is a left-handed screw rod, the other of the first screw rod 2 and the second screw rod 13 is a right-handed screw rod, and the other ends of the first screw rod 2 and the second screw rod 13 are fixed with the gear 8.
The pressing device 6 comprises a second air cylinder 61, a clamping groove 62, a clamping block 63, a movable column 64, a guide column 65, a fixed sleeve 66, a guide block 67, a guide sliding groove 68 and a pressing block 69;
the clamping groove 62 is arranged on the telescopic rod of the second cylinder 61, the fixed sleeve 66 is a hollow sleeve and is fixedly connected to the second cylinder 61, the clamping block 63, the movable column 64 and the guide column 65 are sequentially arranged in the fixed sleeve 66 from bottom to top, and the pressing block 63 is fixed to the top of the guide column 65;
the lower side of the movable column 64 is movably connected to the clamping groove 62 through the clamping block 63, and the top of the movable column 64 is fixedly connected with the guide column 65;
the outer circular surface of the guide cylinder 65 is provided with the guide sliding groove 68, the fixing sleeve 66 is fixedly connected with the guide block 67, and the inner side of the guide block 67 is positioned in the guide sliding groove 68.
A movable seat I4 is fixed on the screw rod I2, a threaded hole I is formed in the movable seat I4, a guide groove I3 matched with the movable seat I4 is formed in the base 1, and the movable seat I4 is slidably mounted on the guide groove I3. The first guide groove 3 is a T-shaped groove, and the first threaded hole is formed in the part, located in the first guide groove 3, of the first movable seat 4.
A second movable seat 14 is fixed on the second screw rod 13, a second threaded hole is formed in the second movable seat 14, a second guide groove 12 matched with the second movable seat 14 is formed in the base 1, and the second movable seat 14 is slidably mounted on the second guide groove 12. The second guide groove 12 is a T-shaped groove, and the second threaded hole is formed in the portion, located in the second guide groove 12, of the second movable seat 14.
Preferably, the number of the left clamping devices is two, and the two left clamping devices are respectively arranged at the front and back positions of the left end of the base 1; the two corresponding right clamping devices are respectively arranged at the front and the rear of the right end of the base 1.
The driving device is arranged in the middle of the base 1, a longitudinal groove hole is formed in the center of the base 1, the rack 9 is longitudinally movably arranged in the longitudinal groove hole, the upper side of the rack 9 is meshed with the lower side of the gear 8, and the rear end of the rack 9 is fixedly connected with a piston rod of the first air cylinder 10.
Further preferably, the cylinder I10 is fixedly arranged inside the base 1.
When the clamping device is used, firstly, a workpiece 7 is placed on the base 1 and is enabled to be close to a longitudinal positioning block at the rear side of the base 1, then the rack 9 is driven to longitudinally move through the extension of the cylinder I10, the longitudinal movement of the rack 9 drives the screw rod I2 and the screw rod II 13 to rotate together through the gear 8, the screw rod I2 and the screw rod II 13 rotate together, the movable seat I4 and the movable seat II 14 simultaneously move inwards or outwards, the movable seat I4 and the movable seat II 14 move inwards, the workpiece 7 is clamped in a centering mode through the clamping block I5 and the clamping block II 11, the machining precision of the workpiece 7 is guaranteed, meanwhile, the machining precision can be guaranteed when blanks of the workpiece 7 are inconsistent, then, the pressing block 69 is shortened through the cylinder II 61 in the pressing device 6, the workpiece 7 is pressed, the reliability and the stability during machining are guaranteed, the guide sliding groove 68 is arranged in the outer portion of the guide cylinder 65, and meanwhile, the pressing block 69 is matched with the guide block 67, so that the pressing block 69 can rotate ninety degrees after moving upwards, the workpiece can be smoothly placed on the base 1, the use effect is improved, and otherwise, the pressing block 69 can return to the workpiece and press the workpiece tightly when moving downwards.
Compared with the prior art, the numerical control processing pneumatic clamping device that this embodiment provided has following characteristics: 1) the clamping block I and the clamping block II are driven to clamp the workpiece in two pairs by extending the cylinder I, so that the machining precision of the workpiece is ensured, and the machining precision can also be ensured when blanks of the workpiece are inconsistent; the pressing device ensures the reliability and stability of the processing. 2) Be equipped with the direction spout in the guide post body outside, cooperate with the guide block simultaneously, can guarantee that the briquetting can rotate ninety degrees after moving up, just also guaranteed that the work piece can be smooth place the effect that has improved the use on the base.
It will be understood by those skilled in the art from the foregoing description of the structure and principles that the present invention is not limited to the specific embodiments described above, and that modifications and substitutions based on the known art are intended to fall within the scope of the invention, which is defined by the claims and their equivalents. The details not described in the detailed description are prior art or common general knowledge.
Claims (9)
1. The utility model provides a pneumatic clamping device of numerical control processing which characterized in that includes: the clamping device comprises a base, a pressing device and a clamping device;
the clamping device comprises a left clamping device, a right clamping device and a driving device;
the left clamping device comprises a first screw rod and a first clamping block connected with the first screw rod, a first threaded hole is formed in the first clamping block, and one end of the first screw rod is connected with the first threaded hole;
the right clamping device comprises a second screw rod and a second clamping block connected with the second screw rod, a second threaded hole is formed in the second clamping block, and one end of the second screw rod is connected with the second threaded hole;
the driving device comprises a first air cylinder, a rack connected with the first air cylinder and a gear meshed with the rack; one of the first screw rod and the second screw rod is a left-handed screw rod, the other of the first screw rod and the second screw rod is a right-handed screw rod, and the other ends of the first screw rod and the second screw rod are fixed with the gear.
2. A numerical control machining pneumatic clamping device according to claim 1, wherein a first movable seat is fixed on the first screw rod, a first threaded hole is formed in the first movable seat, a first guide groove matched with the first movable seat is formed in the base, and the first movable seat is slidably mounted on the first guide groove.
3. A numerical control machining pneumatic clamping device according to claim 2, wherein the first guide groove is a T-shaped groove, and the first threaded hole is formed in a portion, located in the first guide groove, of the first movable seat.
4. The pneumatic clamping device for numerical control machining according to claim 1, wherein a second movable seat is fixed on the second screw rod, a second threaded hole is formed in the second movable seat, a second guide groove matched with the second movable seat is formed in the base, and the second movable seat is slidably mounted on the second guide groove.
5. The pneumatic clamping device for numerical control machining according to claim 4, wherein the second guide groove is a T-shaped groove, and the second threaded hole is formed in a portion, located in the second guide groove, of the second movable seat.
6. The pneumatic numerical control machining clamping device as claimed in claim 1, wherein the left clamping device is divided into two parts which are arranged at the front and back positions of the left end of the base; the number of the right clamping devices is two, and the right clamping devices are respectively arranged at the front and the rear of the right end of the base.
7. The numerical control machining pneumatic clamping device as claimed in claim 1, wherein the driving device is arranged in the middle of the base, a longitudinal slot is formed in the center of the base, the rack is longitudinally movably arranged in the longitudinal slot, the upper side of the rack is meshed with the lower side of the gear, and the rear end of the rack is fixedly connected with a piston rod of the first air cylinder.
8. A pneumatic clamping device for numerical control machining according to claim 7, wherein said first air cylinder is fixedly arranged inside said base.
9. The pneumatic clamping device for numerical control machining according to claim 1, wherein the pressing device comprises a second air cylinder, a clamping groove, a clamping block, a movable cylinder, a guide cylinder, a fixing sleeve, a guide block, a guide sliding groove and a pressing block;
the clamping groove is formed in the telescopic rod of the second air cylinder, the fixed sleeve is a hollow sleeve and is fixedly connected to the second air cylinder, the clamping block, the movable cylinder and the guide cylinder are sequentially arranged in the fixed sleeve from bottom to top, and the pressing block is fixed to the top of the guide cylinder;
the lower side of the movable column body is movably connected to the clamping groove through the clamping block, and the top of the movable column body is fixedly connected with the guide column body;
the outer circular surface of the guide cylinder is provided with the guide sliding groove, the fixed sleeve is fixedly connected with the guide block, and the inner side of the guide block is positioned in the guide sliding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921409402.1U CN210938243U (en) | 2019-08-28 | 2019-08-28 | Pneumatic clamping device of numerical control processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921409402.1U CN210938243U (en) | 2019-08-28 | 2019-08-28 | Pneumatic clamping device of numerical control processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210938243U true CN210938243U (en) | 2020-07-07 |
Family
ID=71388521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921409402.1U Active CN210938243U (en) | 2019-08-28 | 2019-08-28 | Pneumatic clamping device of numerical control processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210938243U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112171719A (en) * | 2020-09-24 | 2021-01-05 | 王宏伟 | Fixing device convenient to adjust for artificial intelligence robot |
-
2019
- 2019-08-28 CN CN201921409402.1U patent/CN210938243U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112171719A (en) * | 2020-09-24 | 2021-01-05 | 王宏伟 | Fixing device convenient to adjust for artificial intelligence robot |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209774013U (en) | Drilling machine tool fixture table | |
| CN212286750U (en) | Clamp for numerical control machine tool | |
| CN104924111A (en) | Automatic clamp for numerical control machine tool | |
| CN210938243U (en) | Pneumatic clamping device of numerical control processing | |
| CN204565642U (en) | Mould is from reducing grip device | |
| CN205969355U (en) | Anchor clamps are used in production of processing yardstick adjustable furniture | |
| CN210818459U (en) | Clamping device for numerical control lathe | |
| CN113618316A (en) | Chuck device | |
| CN211028979U (en) | Novel fixture device capable of deflecting angle automatically | |
| CN209830497U (en) | Automatic interior angle chamfering equipment | |
| CN208231313U (en) | A kind of straightness fixture of plate part | |
| CN111633620A (en) | Positioning and clamping device for mechanical workpiece production | |
| CN105014445A (en) | Machining center with clamp for clamping workpieces of different heights | |
| CN216882983U (en) | High-precision tool setting positioning assembly for numerical control machine tool | |
| CN213319611U (en) | Blade fixing device is used in production of breaker blade | |
| CN214383041U (en) | Numerical control machine tool machining clamping device | |
| CN215699266U (en) | Chuck device | |
| CN212146229U (en) | Quick clamping positioner | |
| CN213196601U (en) | Workpiece positioning clamp for numerical control lathe | |
| CN211516696U (en) | Supporting and positioning device | |
| CN219853964U (en) | Hardware grinding clamping device | |
| CN211660918U (en) | Bidirectional positioning necking tool for oil storage cylinder of shock absorber | |
| CN207696103U (en) | A kind of extrusion die inserted block skewed slot processing and loading clamp alignment device | |
| CN218396063U (en) | Quick clamping and positioning device for drilling of special-shaped electric power fittings | |
| CN213729613U (en) | Numerical control machine tool for line rail of flat machine tool body |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |