CN221657998U - Forward pushing type pneumatic clamping seat - Google Patents
Forward pushing type pneumatic clamping seat Download PDFInfo
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- CN221657998U CN221657998U CN202420156019.4U CN202420156019U CN221657998U CN 221657998 U CN221657998 U CN 221657998U CN 202420156019 U CN202420156019 U CN 202420156019U CN 221657998 U CN221657998 U CN 221657998U
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- clamping
- seat
- sliding sleeve
- clamping head
- workpiece
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- 238000007789 sealing Methods 0.000 claims description 33
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model relates to the field of pneumatic clamping seats, and discloses a forward-pushing type pneumatic clamping seat, which comprises the following components: the clamping device comprises a seat body assembly, a clamping head and a sliding sleeve for driving the clamping head to clamp are arranged on the seat body assembly, the clamping head is fixed on the seat body assembly, the sliding sleeve is sleeved on the outer side of the clamping head in a sliding mode, a pressure cavity is arranged in the seat body assembly, the sliding sleeve is pushed to slide through pressure in the pressure cavity, the pressure cavity is formed on one side of the sliding sleeve, a first channel and a second channel communicated with the pressure cavity are arranged on the seat body assembly, a positioning sleeve is fixedly arranged on the seat body assembly, an inner cavity is arranged on the positioning sleeve, a clamping hole for clamping a workpiece is formed in one end of the clamping head, and one end of the clamping head with the clamping hole is arranged in the inner cavity. According to the forward pushing type pneumatic clamping seat, the positioning sleeve is used for positioning processing, so that the workpiece is not easy to incline when clamped, and the clamping precision is improved; when the workpiece is installed, the inner side wall of the clamping head clamping hole cannot be worn with the workpiece, so that the clamping precision is prevented from being influenced, and the yield is improved.
Description
Technical Field
The utility model relates to the field of pneumatic clamping seats, in particular to a forward pushing type pneumatic clamping seat.
Background
The numerical control lathe is one of the numerical control lathes which are widely used at present. The method is mainly used for cutting processing of inner and outer cylindrical surfaces of shaft parts or disc parts, inner and outer conical surfaces of any cone angle, complex rotation inner and outer curved surfaces, cylindrical threads, conical threads and the like; in a numerically controlled lathe, a forward pushing type clamping seat plays a crucial role as one of clamps for fixing a workpiece. In the existing forward pushing type clamping seats, during the process of loading and unloading shaft workpieces at the clamping holes of the clamping heads, the outer side walls of the shaft workpieces can slide against the inner side walls of the clamping holes of the clamping heads, so that the inner side walls of the clamping holes of the clamping heads are worn, the clamping accuracy of the clamping heads is reduced, and the machining accuracy is affected; in addition, when the shaft workpiece is installed in the clamping hole of the clamping head, the shaft workpiece is easy to incline, and after the clamping head clamps the inclined workpiece, the problem of low clamping precision can be caused, so that the yield cannot be ensured.
Disclosure of utility model
First, the technical problem to be solved
The utility model aims to solve the problem of providing the forward-pushing type pneumatic clamping seat, which is used for positioning the processing through the positioning sleeve, so that the workpiece is not easy to incline when being clamped, and the clamping precision is improved; when the workpiece is installed, the inner side wall of the clamping head clamping hole cannot be worn with the workpiece, so that the clamping precision is prevented from being influenced, and the yield is improved.
(II) technical scheme
In order to solve the technical problem, the utility model provides a forward-pushing type pneumatic clamping seat, which comprises: the clamping head is fixed on the base assembly, the sliding sleeve is sleeved on the outer side of the clamping head in a sliding manner, a pressure cavity is formed in the base assembly, the sliding sleeve is pushed to slide by pressure in the pressure cavity, the pressure cavity is formed on one side of the sliding sleeve, a first channel and a second channel communicated with the pressure cavity are formed in the base assembly, a positioning sleeve is fixedly arranged on the base assembly, an inner cavity is formed in the positioning sleeve, a clamping hole for clamping a workpiece is formed in one end of the clamping head, one end of the clamping hole is arranged in the inner cavity, and a positioning through groove corresponding to the workpiece is formed in the positioning sleeve; according to the forward pushing type pneumatic clamping seat, the positioning sleeve is used for positioning processing, so that the workpiece is not easy to incline when clamped, and the clamping precision is improved; when the workpiece is installed, the inner side wall of the clamping head clamping hole cannot be worn with the workpiece, so that the clamping precision is prevented from being influenced, and the yield is improved.
Further, the central axis of the positioning through groove is collinear with the central axis of the clamping hole.
Further, a first guide inclined plane is annularly arranged on one side, far away from the clamping hole, of the positioning through groove.
Further, the cross section of the first guide inclined plane comprises a first inclined plane and a second inclined plane, and an included angle L is formed between the first inclined plane and the second inclined plane.
Further, the included angle is 70-110 degrees.
Further, a second guide inclined plane is arranged on the chuck, and a third guide inclined plane corresponding to the second guide inclined plane is arranged on the sliding sleeve.
Further, the seat body assembly and the sliding sleeve are provided with elastic pieces, one ends of the elastic pieces are propped against the seat body assembly, and the other ends of the elastic pieces are propped against the sliding sleeve.
Further, the elastic piece is a compression spring, a first mounting groove for mounting the elastic piece is formed in the seat body assembly, and a second mounting groove for mounting the elastic piece is formed in the sliding sleeve.
Further, the pedestal assembly comprises a lower seat, an upper seat, a first lantern ring and a second lantern ring, wherein the lower seat is fixed on the lower side of the upper seat through a first bolt, the first lantern ring is fixed with the lower seat through a second bolt, the second lantern ring is fixed on the first lantern ring through a third bolt, and the outer side wall of the lower part of the chuck is in threaded connection with the inner side wall of the second lantern ring.
Further, the sliding sleeve comprises a first cylindrical section, a push plate and a second cylindrical section which are integrally formed, the pressure cavity is formed between the push plate and the lower seat, a first sealing ring and a second sealing ring are arranged between the first cylindrical section and the upper seat, a third sealing ring is arranged between the push plate and the upper seat, a fourth sealing ring is arranged between the second cylindrical section and the lower seat, and a fifth sealing ring is arranged between the upper seat and the lower seat.
(III) beneficial effects
According to the forward pushing type pneumatic clamping seat, the positioning sleeve is used for positioning processing, so that the workpiece is not easy to incline when clamped, and the clamping precision is improved; when the workpiece is installed, the inner side wall of the clamping hole of the clamping head cannot be worn with the workpiece, so that the clamping precision is prevented from being influenced, and the yield is improved; a first guide inclined plane is annularly arranged on one side of the positioning through groove far away from the clamping hole, so that a workpiece is conveniently guided into the positioning through groove, and the operation difficulty of loading the workpiece is reduced; a first sealing ring and a second sealing ring are arranged between the first cylindrical section and the upper seat, a third sealing ring is arranged between the push plate and the upper seat, a fourth sealing ring is arranged between the second cylindrical section and the lower seat, a fifth sealing ring is arranged between the upper seat and the lower seat, a plurality of sealing rings are arranged, leakage of fluid in the pressure cavity is avoided, and the use is reliable; the elastic piece is stably installed, so that the sliding sleeve slides stably, and the stability during operation is improved; the elastic piece is used for assisting in pushing up the sliding sleeve, the clamping force of the clamping head is larger, and the clamping is firmer.
Drawings
FIG. 1 is a cross-sectional view of a push-forward pneumatic clamp of the present utility model;
Fig. 2 is an enlarged view of a portion a in fig. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
fig. 4 is an enlarged view of a portion C in fig. 1;
FIG. 5 is a schematic diagram of the front view of the pneumatic clamping seat of the present utility model;
The corresponding component names for each reference number in the figures are: 1 is a seat body assembly, 101 is a pressure cavity, 102 is a second channel, 103 is a first channel, 2 is a chuck, 201 is a clamping hole, 202 is a second guide inclined plane, 3 is a sliding sleeve, 31 is a first cylindrical section, 32 is a push plate, 33 is a second cylindrical section, 301 is a third guide inclined plane, 4 is a positioning sleeve, 401 is an inner cavity, 402 is a positioning through groove, 403 is a first guide inclined plane, 404 is a first inclined plane, 405 is a second inclined plane, 5 is an elastic piece, 501 is a first installation groove, 502 is a second installation groove, 11 is a lower seat, 12 is an upper seat, 13 is a first sleeve ring, 14 is a first bolt, 15 is a second bolt, 16 is a first sealing ring, 17 is a second sealing ring, 18 is a third sealing ring, 19 is a fourth sealing ring, 20 is a fifth sealing ring, 21 is a second sleeve ring, 22 is a third bolt, and L is an included angle.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
Referring to fig. 1-5, the present utility model provides a push-forward pneumatic clamping seat, comprising: the clamping device comprises a base body assembly 1, wherein a clamping head 2 and a sliding sleeve 3 for driving the clamping head 2 to clamp are arranged on the base body assembly 1, the clamping head 2 is fixed on the base body assembly 1, the sliding sleeve 3 is sleeved on the outer side of the clamping head 2 in a sliding manner, a pressure cavity 101 is arranged in the base body assembly 1, the sliding sleeve 3 is pushed to slide by the pressure in the pressure cavity 101, and the pressure cavity 101 is formed on one side of the sliding sleeve 3 so as to push the sliding sleeve 3 upwards; the seat body assembly 1 is provided with a first channel 103 and a second channel 102 communicated with the pressure cavity 101; the second channel 102 is accessed when clamping the workpiece, and the first channel 103 is accessed; when the workpiece is loosened, the first channel 103 is in air, and the second channel 102 is out air; the seat body assembly 1 is fixedly provided with a positioning sleeve 4 through a bolt piece, the positioning sleeve 4 is provided with an inner cavity 401, one end of the clamping head 2 is provided with a clamping hole 201 for clamping a workpiece, in a normal state, namely before the sliding sleeve 3 is not pushed up, the clamping head 2 is in a loosening state, and the size of the clamping hole 201 is slightly larger than the diameter of the clamped workpiece; one end of the chuck 2 with the clamping hole 201 is arranged in the inner cavity 401, the positioning sleeve 4 is provided with a positioning through groove 402 corresponding to the workpiece, and the size of the positioning through groove 402 is slightly larger than that of the clamped workpiece, so that the clamped workpiece can be smoothly loaded into the clamping hole 201 along the positioning through groove 402, and the clamped workpiece is radially positioned through the positioning through groove 402; according to the forward pushing type pneumatic clamping seat, the positioning sleeve is used for positioning processing, so that the workpiece is not easy to incline when clamped, and the clamping precision is improved; when the workpiece is installed, the inner side wall of the clamping hole of the clamping head cannot be worn with the workpiece, so that the clamping precision is prevented from being influenced, the service life of the clamping head is prolonged, and the yield is improved.
Referring to fig. 1 and 2, the central axis of the positioning through groove 402 is collinear with the central axis of the clamping hole 201, so that larger displacement is not easy to occur before and after workpiece clamping; a first guide inclined plane 403 is annularly arranged on one side of the positioning through groove 402, which is far away from the clamping hole 201, so that a workpiece is conveniently guided into the positioning through groove 402, and the operation difficulty of loading the workpiece is reduced; the cross section of the first guide inclined plane 403 includes a first inclined plane 404 and a second inclined plane 405, and an included angle L is formed between the first inclined plane 404 and the second inclined plane 405; the included angle L is 70-110 degrees, and in the embodiment, the included angle L is 90 degrees; facilitating the introduction of the workpiece into the positioning through slot 402; the second guide inclined plane 202 is arranged on the chuck 2, the third guide inclined plane 301 corresponding to the second guide inclined plane 202 is arranged on the sliding sleeve 3, and the second guide inclined plane 202 is matched with the third guide inclined plane 301, so that the chuck can be driven to clamp when the sliding sleeve 3 is pushed up; after the sliding sleeve 3 is reset downwards, the clamping head recovers the elastic deformation to perform the loosening action.
Referring to fig. 1 and 3, the seat assembly 1 and the sliding sleeve 3 are provided with an elastic member 5, one end of the elastic member 5 abuts against the seat assembly 1, and the other end of the elastic member 5 abuts against the sliding sleeve 3; the elastic piece 5 is a compression spring, the seat body assembly 1 is provided with a first mounting groove 501 for mounting the elastic piece 5, the sliding sleeve 3 is provided with a second mounting groove 502 for mounting the elastic piece 5, and the elastic piece 5 is stably mounted, so that the sliding sleeve slides stably, and the stability during operation is improved; the elastic piece is used for assisting in pushing up the sliding sleeve 3, so that the clamping force of the clamping head is larger, and the clamping is firmer; when the workpiece is clamped, the second channel 102 is filled with gas, the first channel 103 is discharged, so that the pressure of the pressure cavity 101 is increased to push the sliding sleeve 3 upwards, and the chuck is clamped; when the workpiece is loosened, the first channel 103 is in air, the second channel 102 is out of air, so that the sliding sleeve 3 moves downwards to reset, and the chuck is loosened; referring to fig. 1, the sliding sleeve 3 is in an up-pushed state.
Referring to fig. 1, 3, 4 and 5, the socket assembly 1 includes a lower socket 11, an upper socket 12, a first collar 13 and a second collar 21, the lower socket 11 is fixed to the lower side of the upper socket 12 by a first bolt 14, the first collar 13 and the lower socket 11 are fixed by a second bolt 15, the second collar 21 is fixed to the first collar 13 by a third bolt 22, and the outer side wall of the lower part of the chuck 2 is in threaded connection with the inner side wall of the second collar 21, so that the assembly is convenient; the sliding sleeve 3 comprises a first cylindrical section 31, a push plate 32 and a second cylindrical section 33 which are integrally formed, the pressure cavity 101 is formed between the push plate 32 and the lower seat 11, a first sealing ring 16 and a second sealing ring 17 are arranged between the first cylindrical section 31 and the upper seat 12, a third sealing ring 18 is arranged between the push plate 32 and the upper seat 12, a fourth sealing ring 19 is arranged between the second cylindrical section 33 and the lower seat 11, a fifth sealing ring 20 is arranged between the upper seat 12 and the lower seat 11, and a plurality of sealing rings are arranged, so that leakage of fluid in the pressure cavity 101 is avoided, and the sliding sleeve is reliable in use; the pneumatic clamping seat is a fixed forward pushing type pneumatic clamping seat, and the seat body assembly 1 is fixed on an external processing table through bolts.
According to the forward pushing type pneumatic clamping seat, the elastic piece is stably installed, so that the sliding sleeve slides stably, and the stability in operation is improved; the elastic piece is used for assisting in pushing up the sliding sleeve, the clamping force of the clamping head is larger, and the clamping is firmer; the positioning sleeve is used for positioning the processing, so that the workpiece is not easy to incline when clamped, and the clamping precision is improved; when the workpiece is installed, the inner side wall of the clamping hole of the clamping head cannot be worn with the workpiece, so that the clamping precision is prevented from being influenced, and the yield is improved; a first guide inclined plane is annularly arranged on one side of the positioning through groove far away from the clamping hole, so that a workpiece is conveniently guided into the positioning through groove, and the operation difficulty of loading the workpiece is reduced; the first sealing ring and the second sealing ring are arranged between the first cylindrical section and the upper seat, the third sealing ring is arranged between the push plate and the upper seat, the fourth sealing ring is arranged between the second cylindrical section and the lower seat, the fifth sealing ring is arranged between the upper seat and the lower seat, the plurality of sealing rings are arranged, leakage of fluid in the pressure cavity is avoided, and the use is reliable.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (10)
1. A push-forward pneumatic clamp comprising: the clamping device is characterized in that a clamping head (2) and a sliding sleeve (3) used for driving the clamping head (2) to clamp are arranged on the clamping head (1), the clamping head (2) is fixed on the clamping head (1), the sliding sleeve (3) is sleeved on the outer side of the clamping head (2) in a sliding mode, a pressure cavity (101) is arranged in the clamping head (1), the sliding sleeve (3) is pushed to slide through pressure in the pressure cavity (101), the pressure cavity (101) is formed in one side of the sliding sleeve (3), a first channel (103) and a second channel (102) communicated with the pressure cavity (101) are arranged on the clamping head (1), a positioning sleeve (4) is fixedly arranged on the clamping head (1), an inner cavity (401) is arranged at one end of the clamping head (2), a clamping hole (201) is formed in the inner cavity (201), and the positioning sleeve (401) is arranged in the corresponding positioning groove (402) of the workpiece.
2. The push-forward pneumatic clamp of claim 1, wherein a central axis of the locating through slot (402) is collinear with a central axis of the clamp bore (201).
3. The forward-pushing pneumatic clamping seat according to claim 1, wherein a first guide inclined surface (403) is annularly arranged on one side of the positioning through groove (402) away from the clamping hole (201).
4. A push-forward pneumatic clamp as claimed in claim 3, wherein the cross section of the first guide ramp (403) comprises a first angled edge (404) and a second angled edge (405), the first angled edge (404) and the second angled edge (405) forming an angle (L) therebetween.
5. Push-forward pneumatic clamp according to claim 4, characterized in that the included angle (L) is 70 ° -110 °.
6. The forward-pushing pneumatic clamping seat according to claim 1, wherein a second guiding inclined plane (202) is arranged on the clamping head (2), and a third guiding inclined plane (301) corresponding to the second guiding inclined plane (202) is arranged on the sliding sleeve (3).
7. The forward-pushing pneumatic clamping seat according to claim 1, wherein the seat body assembly (1) and the sliding sleeve (3) are provided with elastic pieces (5), one ends of the elastic pieces (5) are propped against the seat body assembly (1), and the other ends of the elastic pieces (5) are propped against the sliding sleeve (3).
8. The forward-pushing pneumatic clamping seat according to claim 7, wherein the elastic piece (5) is a compression spring, a first mounting groove (501) for mounting the elastic piece (5) is formed in the seat body assembly (1), and a second mounting groove (502) for mounting the elastic piece (5) is formed in the sliding sleeve (3).
9. A push-forward pneumatic clamp as claimed in any one of claims 1 to 8, wherein the housing assembly (1) comprises a lower seat (11), an upper seat (12), a first collar (13) and a second collar (21), the lower seat (11) being fixed to the underside of the upper seat (12) by a first bolt (14), the first collar (13) and the lower seat (11) being fixed by a second bolt (15), the second collar (21) being fixed to the first collar (13) by a third bolt (22), the outer side wall of the lower part of the clamp (2) being in threaded connection with the inner side wall of the second collar (21).
10. The forward-pushing pneumatic clamping seat according to claim 9, wherein the sliding sleeve (3) comprises a first cylindrical section (31), a pushing plate (32) and a second cylindrical section (33) which are integrally formed, the pressure cavity (101) is formed between the pushing plate (32) and the lower seat (11), a first sealing ring (16) and a second sealing ring (17) are arranged between the first cylindrical section (31) and the upper seat (12), a third sealing ring (18) is arranged between the pushing plate (32) and the upper seat (12), a fourth sealing ring (19) is arranged between the second cylindrical section (33) and the lower seat (11), and a fifth sealing ring (20) is arranged between the upper seat (12) and the lower seat (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420156019.4U CN221657998U (en) | 2024-01-23 | 2024-01-23 | Forward pushing type pneumatic clamping seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420156019.4U CN221657998U (en) | 2024-01-23 | 2024-01-23 | Forward pushing type pneumatic clamping seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221657998U true CN221657998U (en) | 2024-09-06 |
Family
ID=92570629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420156019.4U Active CN221657998U (en) | 2024-01-23 | 2024-01-23 | Forward pushing type pneumatic clamping seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221657998U (en) |
-
2024
- 2024-01-23 CN CN202420156019.4U patent/CN221657998U/en active Active
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