CN214292104U - Wedge boosting type self-locking hydraulic clamping jaw device - Google Patents
Wedge boosting type self-locking hydraulic clamping jaw device Download PDFInfo
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- CN214292104U CN214292104U CN202023065234.4U CN202023065234U CN214292104U CN 214292104 U CN214292104 U CN 214292104U CN 202023065234 U CN202023065234 U CN 202023065234U CN 214292104 U CN214292104 U CN 214292104U
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- upper gland
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- 210000004907 gland Anatomy 0.000 claims abstract description 19
- 230000006835 compression Effects 0.000 claims description 18
- 238000007906 compression Methods 0.000 claims description 18
- 210000000078 claw Anatomy 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of mechanical clamping, in particular to a wedge force-increasing self-locking hydraulic clamping jaw device, which comprises a clamping jaw structure and a fixed structure matched with the clamping jaw structure; the clamping jaw structure comprises an upper gland, an oil cylinder is connected to the upper gland, a piston is connected to the oil cylinder in a sliding mode, and a clamping structure is connected to the piston; the lower end of the upper gland is fixedly connected with a supporting plate; the fixing structure comprises a fixing plate, and a locking structure matched with the supporting plate is connected to the fixing plate; the utility model discloses novel structure fixes the jack catch structure on the workstation through fixed knot constructs, and convenient dismantlement and installation change have improved the utility model discloses convenience and practicality; the utility model discloses an oblique forked tail guide rail angle of inclination is less than the friction angle, and the work piece clamp force can not transmit to the hydro-cylinder piston through oblique forked tail guide rail and form the auto-lock, even the system outage hydro-cylinder pressure release, the work piece clamp force can not consequently be removed the work piece and press from both sides tightly and loosen, has guaranteed the security of processing.
Description
Technical Field
The utility model belongs to the technical field of mechanical centre gripping, concretely relates to voussoir increases formula auto-lock hydraulic pressure jack catch device.
Background
Need fix the work piece when carrying out machining to the work piece, current fixed clamping device is inconvenient when clumsy use, and the structure is unreasonable when pressing from both sides tight work piece, and is easy lax, need take off whole then other anchor clamps of changing on the fastening screw on the anchor clamps when changing the anchor clamps moreover, and is inconvenient during the use, has increased user's work load.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a voussoir increases formula auto-lock hydraulic pressure jack catch device, can be effectual solve present fixed clamping device inconvenient when clumsy use, the structure is unreasonable when pressing from both sides tightly the work piece, easy lax, need take off then change other anchor clamps with fastening screw on the anchor clamps are whole when changing the anchor clamps moreover, inconvenient during the use, increased the problem of user's work load.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a wedge boosting type self-locking hydraulic jaw device comprises a jaw structure and a fixing structure matched with the jaw structure; the clamping jaw structure comprises an upper gland, an oil cylinder is connected to the upper gland, a piston is connected to the oil cylinder in a sliding mode, and a clamping structure is connected to the piston; the lower end of the upper gland is fixedly connected with a supporting plate; the fixing structure comprises a fixing plate, and a locking structure matched with the supporting plate is connected to the fixing plate.
Furthermore, the locking structure comprises a worm rotatably connected to a fixing plate, the fixing plate is rotatably connected to a rotating shaft, and a worm wheel meshed with the worm is fixed to the rotating shaft; the rotating shaft is connected with a pair of pressing structures matched with the supporting plates.
Furthermore, the compressing structure comprises a gear fixedly connected to a rotating shaft, a power shaft is connected to the fixed plate in a sliding mode, a rack matched with the gear is arranged on the power shaft, and a first compressing block, a second compressing block and a third compressing block are fixedly connected to the power shaft; a locking column is connected in the fixed plate in a sliding manner, a first compression block matched with the first compression block is arranged on the locking column, a second compression block matched with the second compression block is arranged on the locking column, and a third compression block matched with the third compression block is arranged on the locking column; the locking post is uniformly and fixedly connected with bulges, and the supporting plate is provided with grooves matched with the bulges.
Furthermore, a guide post is fixedly connected to the locking post, and a guide hole matched with the guide post is formed in the other locking post.
Furthermore, the clamping structure comprises a dovetail guide rail arranged in an upper gland, the dovetail guide rail is connected with a force-increasing wedge block fixedly connected with the piston, and the upper gland is slidably connected with a telescopic block matched with the force-increasing wedge block.
The invention has the beneficial effects that:
1. the utility model discloses novel structure can fix the jack catch structure on the workstation through fixed knot constructs, and convenient dismantlement and installation change have improved the utility model discloses convenience and practicality; the utility model discloses a self-locking function of worm wheel and worm prevents that compact structure is not hard up when using, has improved the utility model discloses a security and practicality.
2. The utility model discloses an oblique forked tail guide rail angle of inclination is less than the friction angle, and the work piece clamp force can not transmit to the hydro-cylinder piston through oblique forked tail guide rail and form the auto-lock, even the system outage hydro-cylinder pressure release, the work piece clamp force can not consequently be removed the work piece and press from both sides tightly and loosen, has guaranteed the security of processing.
Drawings
Fig. 1 is an isometric view of the present invention;
fig. 2 is a schematic structural view of the fixing structure of the present invention;
fig. 3 is a schematic view of a part of the structure of the clamping jaw of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;
in the figure, the hydraulic support comprises a fixing plate 1, a fixing plate 2, a worm, a rotating shaft 3, a rotating shaft 4, a gear 5, a power shaft 6, a first pressing block 7, a second pressing block 8, a third pressing block 9, a locking column 10, a supporting plate 11, an oil cylinder 12, a piston 13, an inclined dovetail guide rail 14, a force-increasing wedge block 15 and a telescopic block.
Detailed Description
A wedge boosting type self-locking hydraulic jaw device is shown in figures 1-5 and comprises a jaw structure and a fixing structure matched with the jaw structure; the clamping jaw structure comprises an upper gland, an oil cylinder 11 is connected onto the upper gland, a piston 12 is connected into the oil cylinder 11 in a sliding mode, and a clamping structure is connected onto the piston 12; the lower end of the upper gland is fixedly connected with a support plate 10; the fixing structure comprises a fixing plate 1, and a locking structure matched with the supporting plate 10 is connected to the fixing plate 1.
When the utility model is used, a user firstly fixes the fixed plate 1 on a lathe or a milling machine workbench, then fixes the claw structure on the fixed plate 1 according to a workpiece clamped as required, and fixes the support plate 10 through the locking structure on the fixed plate 1; when the clamping device is used, the oil cylinder 11 is filled with oil without the rod cavity of the piston 12, the piston 12 moves forwards to drive the clamping structure to operate, and the two clamping jaw structures can fix a workpiece; when the oil cylinder 11 is filled with oil in the rod cavity of the piston 12, the piston 12 moves backwards and is pulled, and the clamping structure is not used for fixing the workpiece; the utility model discloses novel structure can fix the jack catch structure on the workstation through fixed knot constructs, and convenient dismantlement and installation are changed, have improved the utility model discloses a convenience and practicality.
The locking structure comprises a worm 2 which is rotatably connected with a fixing plate 1, a rotating shaft 3 is rotatably connected with the fixing plate 1, and a worm wheel which is meshed with the worm 2 is fixed on the rotating shaft 3; the rotating shaft 3 is connected with a pressing structure matched with the supporting plate 10.
As shown in fig. 1 and fig. 2, when a user uses the utility model, the worm 2 is rotated, the worm 2 drives the worm wheel to rotate, the worm wheel drives the rotating shaft 3 to rotate, the rotating shaft 3 drives the compressing structure to operate, the compressing structure can fix the supporting plate 10 and fix the claw structure on the fixing plate 1; the utility model discloses a self-locking function of worm wheel and worm 2 prevents that compact structure is not hard up when using, has improved the utility model discloses a security and practicality.
The pressing structure comprises a gear 4 fixedly connected to a rotating shaft 3, a power shaft 5 is connected to the fixed plate 1 in a sliding mode, a rack matched with the gear 4 is arranged on the power shaft 5, and a first pressing block 6, a second pressing block 7 and a third pressing block 8 are fixedly connected to the power shaft 5; a locking column 9 is slidably connected in the fixed plate 1, a first compression block matched with the first compression block 6 is arranged on the locking column 9, a second compression block matched with the second compression block 7 is arranged on the locking column 9, and a third compression block matched with the third compression block 8 is arranged on the locking column 9; the locking column 9 is uniformly and fixedly connected with bulges, and the supporting plate 10 is provided with grooves matched with the bulges.
As shown in fig. 2, the user is using the utility model discloses, rotation axis 3 rotates and takes gear 4 to rotate, gear 4 takes power shaft 5 to slide in fixed plate 1 through the rack, power shaft 5 takes first compact heap 6, second compact heap 7 and third compact heap 8 slide, first compact heap 6, second compact heap 7 and third compact heap 8 can extrude the first pressed piece, second pressed piece and the third pressed piece of rigid coupling on the locking post 9, first pressed piece, second pressed piece and third pressed piece take locking post 9 to slide, the arch on the locking post 9 can block in the recess of backup pad 10, prevent that the recess from sliding; the utility model discloses novel structure promotes through first compact heap 6, second compact heap 7 and third compact heap 8 that locking post 9 slides and blocks dead backup pad 10, fixes backup pad 10, has improved the utility model discloses a convenience.
The locking post 9 is fixedly connected with a guide post, and the other locking post 9 is provided with a guide hole matched with the guide post.
The guide post and the guide hole facilitate the sliding of the locking post 9, and have a guiding function on the sliding of the locking post 9.
The clamping structure comprises an upper gland, a dovetail guide rail is arranged in the upper gland, a force-increasing wedge block 14 fixedly connected with the piston 12 is connected onto the dovetail guide rail in a sliding mode, and a telescopic block 15 matched with the force-increasing wedge block is connected onto the upper gland in a sliding mode.
When the oil cylinder 11 is filled with oil without a rod cavity of the piston 12, the piston 12 moves forwards to push the force increasing wedge block 14, and the force increasing wedge block 14 pushes the telescopic block 15 to extend out through the inclined dovetail guide rail 13; when the oil cylinder 11 is filled with oil in the rod cavity of the piston 12, the piston 12 moves backwards to pull the force increasing wedge block 14, and the force increasing wedge block 14 pulls the telescopic block 15 to return through the inclined dovetail guide rail 13; the flexible piece 15 can be used for pressing from both sides tightly when stretching out and treat the processing work piece, and the clamp force transmits to oblique forked tail guide rail 13 through flexible piece 15, because oblique forked tail guide rail 13 bevel angle is less than the friction angle, and the work piece clamp force can not transmit to 11 pistons 12 formation auto-locks of hydro-cylinder through oblique forked tail guide rail 13, even 11 pressure releases of system outage hydro-cylinder, the work piece clamp force can not consequently be removed the work piece and press from both sides tightly and loosen, has guaranteed the security of processing.
Be provided with screw and antiskid arch on the fixed plate 1, conveniently fix fixed plate 1 on the workstation.
Preferably the utility model discloses a hydro-cylinder 11 is prior art.
The utility model discloses a working process does:
when the utility model is used, fix fixed plate 1 on the workstation earlier, then select two jack catch structures, rotate worm 2, worm 2 takes the worm wheel to rotate, the worm wheel takes rotation axis 3 to rotate, rotation axis 3 takes gear 4 to rotate, gear 4 takes power shaft 5 to slide in fixed plate 1 through the rack, power shaft 5 takes first compact heap 6, second compact heap 7 and third compact heap 8 slide, first compact heap 6, second compact heap 7 and third compact heap 8 can extrude the first compressed piece of rigid coupling on locking post 9, second compressed piece and third compressed piece take locking post 9 to slide, the arch on locking post 9 can block in the recess of backup pad 10, prevent that the recess from sliding; the utility model has novel structure, the first compressing block 6, the second compressing block 7 and the third compressing block 8 push the locking column 9 to slide and block the support plate 10, and the support plate 10 is fixed; the clamping claw structure can clamp the workpiece after being fixed.
Claims (5)
1. The utility model provides a voussoir reinforcement formula auto-lock hydraulic pressure jack catch device which characterized in that: comprises a claw structure and a fixed structure matched with the claw structure; the clamping jaw structure comprises an upper gland, an oil cylinder (11) is connected onto the upper gland, a piston (12) is connected into the oil cylinder (11) in a sliding mode, and a clamping structure is connected onto the piston (12); the lower end of the upper gland is fixedly connected with a support plate (10); the fixing structure comprises a fixing plate (1), and a locking structure matched with the supporting plate (10) is connected to the fixing plate (1).
2. The wedge force-increasing self-locking hydraulic jaw device according to claim 1, characterized in that: the locking structure comprises a worm (2) which is rotatably connected with a fixing plate (1), a rotating shaft (3) is rotatably connected with the fixing plate (1), and a worm wheel which is meshed with the worm (2) is fixed on the rotating shaft (3); the rotating shaft (3) is connected with a pair of pressing structures matched with the supporting plate (10).
3. The wedge force-increasing self-locking hydraulic jaw device according to claim 2, characterized in that: the pressing structure comprises a gear (4) fixedly connected to a rotating shaft (3), a power shaft (5) is connected to the fixed plate (1) in a sliding mode, a rack matched with the gear (4) is arranged on the power shaft (5), and a first pressing block (6), a second pressing block (7) and a third pressing block (8) are fixedly connected to the power shaft (5); a locking column (9) is connected in the fixed plate (1) in a sliding manner, a first compression block matched with the first compression block (6) is arranged on the locking column (9), a second compression block matched with the second compression block (7) is arranged on the locking column (9), and a third compression block matched with the third compression block (8) is arranged on the locking column (9); the locking post (9) is uniformly and fixedly connected with bulges, and the supporting plate (10) is provided with grooves matched with the bulges.
4. The wedge force-increasing self-locking hydraulic jaw device according to claim 3, characterized in that: the locking column (9) is fixedly connected with a guide column, and the other locking column (9) is provided with a guide hole matched with the guide column.
5. The wedge force-increasing self-locking hydraulic jaw device according to claim 1, characterized in that: the clamping structure comprises a dovetail guide rail arranged in an upper gland, a force-increasing wedge block (14) fixedly connected with a piston (12) is connected to the dovetail guide rail, and a telescopic block (15) matched with the force-increasing wedge block is connected to the upper gland in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023065234.4U CN214292104U (en) | 2020-12-18 | 2020-12-18 | Wedge boosting type self-locking hydraulic clamping jaw device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023065234.4U CN214292104U (en) | 2020-12-18 | 2020-12-18 | Wedge boosting type self-locking hydraulic clamping jaw device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214292104U true CN214292104U (en) | 2021-09-28 |
Family
ID=77859596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023065234.4U Active CN214292104U (en) | 2020-12-18 | 2020-12-18 | Wedge boosting type self-locking hydraulic clamping jaw device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214292104U (en) |
-
2020
- 2020-12-18 CN CN202023065234.4U patent/CN214292104U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240220 Address after: 061800 north of Haihe Road, east of Hengshan Road, development zone, Wuqiao County, Cangzhou City, Hebei Province Patentee after: HEBEI BAOER TECHNOLOGY DEVELOPMENT CO.,LTD. Country or region after: China Address before: No. 968, Daxue East Road, Dezhou City, Shandong Province Patentee before: SHANDONG HUAYU University OF TECHNOLOGY Country or region before: China |