CN214022967U

CN214022967U - Hydraulic clamp for hydraulic machine tool

Info

Publication number: CN214022967U
Application number: CN202022697141.7U
Authority: CN
Inventors: 俞鉴卿
Original assignee: Guizhou Zhuopai Zhongcai Machining Co ltd
Current assignee: Guizhou Zhuopai Zhongcai Machining Co ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-08-24
Anticipated expiration: 2030-11-20

Abstract

The utility model discloses a hydraulically operated fixture for hydraulic pressure lathe, which comprises a base, the top intermediate position fixedly connected with supporting and locating piece of base, the bed die has been placed on the top of supporting and locating piece, the constant head tank has been seted up to the bottom of bed die, the top of supporting and locating piece is pegged graft in the constant head tank, the top of base is located the support of the vertical setting of the equal fixedly connected with in both sides of supporting and locating piece, horizontal slidable mounting has two first guide bars on the support, the one end of first guide bar extends to one side and the fixedly connected with drive montant that two supports are close to each other. The utility model discloses the structure is ingenious, convenient to use, and the bed die can be convenient change for the maintenance of bed die is more convenient, and the centre gripping right-angle board can be fixed the bed die clamp is tight, makes the bed die can not take place the skew when the punching press, makes the yields of work piece higher, and makes the work piece take out more convenient through addding ejection mechanism.

Description

Hydraulic clamp for hydraulic machine tool

Technical Field

The utility model belongs to the technical field of hydraulic pressure lathe, concretely relates to hydraulically operated fixture for hydraulic pressure lathe.

Background

In the process of automobile processing, need come to punch the metal sheet through hydraulic machine tool to become the shape that wants with the metal sheet punching press, hydraulic machine tool's among the prior art bed die is mostly through the bolt fastening on the base, and the bed die dismouting is comparatively troublesome, brings inconvenience for the change maintenance of bed die, and the work piece card can't convenient taking out in the die cavity of bed die after the punching press is accomplished.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydraulic fixture for hydraulic machine tool to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the die comprises a base, wherein a supporting and positioning block is fixedly connected to the middle position of the top end of the base, a lower die is placed at the top end of the supporting and positioning block, a positioning groove is formed in the bottom end of the lower die, the top end of the supporting and positioning block is inserted into the positioning groove, vertically arranged supports are fixedly connected to the two sides of the top end of the base, two first guide rods are horizontally and slidably mounted on the supports, one ends of the first guide rods extend to one sides, close to each other, of the two supports, a driving vertical rod is fixedly connected to the one sides, away from the driving vertical rod, of the two first guide rods, a driving plate is fixedly connected between the ends, away from the driving vertical rod, a first threaded hole is formed in the driving plate, first threaded rods are rotatably mounted on the sides, away from each other, of the two supports, one end, away from each other, of the first threaded rods penetrates through the driving plate and is fixedly connected with a rotating handle, and clamping rods are hinged to the sides, close to the two supports, the supporting rod is provided with a rectangular opening, the driving vertical rod is close to one side of the rectangular opening and is fixedly connected with a stirring rod, the stirring rod penetrates through the rectangular opening, one end of the supporting rod, far away from the support, is hinged to be provided with a clamping right-angle plate, the clamping right-angle plate extends to the two sides of the lower die, and the supporting and positioning block is provided with an ejection mechanism.

Preferably, ejection mechanism includes the lifter plate, the mounting chamber has been seted up on the supporting and positioning piece, lifter plate slidable mounting is in the mounting chamber, and fixed mounting has the rotating electrical machines on the top inner wall of mounting chamber, the second threaded rod of the vertical setting of output shaft fixedly connected with of rotating electrical machines, the second screw hole has been seted up on the lifter plate, the bottom of second threaded rod runs through the lifter plate through the second screw hole, and the bottom of second threaded rod and the bottom inner wall fixed connection of mounting chamber, the ejector pin of the vertical setting of top fixedly connected with of lifter plate, the top of ejector pin extends to in the die cavity of bed die and fixedly connected with roof.

Preferably, two vertically-arranged second guide rods are fixedly connected between the inner wall of the top end and the inner wall of the bottom end of the mounting cavity, guide holes are formed in the lifting plate, and the second guide rods penetrate through the lifting plate through the guide holes.

Preferably, a horizontally arranged guide sleeve is fixedly mounted on the support, and the first guide rod is slidably mounted in the guide sleeve.

Preferably, the outer portion of the rotating handle is provided with a rubber sleeve, and the bottom ends of the two clamping right-angle plates above the rotating handle are fixedly connected with rubber pads.

Preferably, the outer side of the poking rod is fixedly connected with two clamping rings, and the outer diameter of each clamping ring is larger than the width of the rectangular opening.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the ejection mechanism is additionally arranged and is used for ejecting the punched workpiece out of the die cavity of the lower die, so that the workpiece is more convenient to take out, when the rotating motor is started to drive the second threaded rod to rotate, the lifting plate can be driven to ascend and descend, the specific moving direction of the lifting plate depends on the rotating direction of the rotating motor, so that the top plate can be driven to ascend and descend, the top plate is flush with the inner wall of the bottom end of the lower die when located at the lowest position, and the punched workpiece in the lower die can be ejected out by the ascending movement of the top plate;

2. the lower die can be conveniently replaced only by installing the lower die at the top end of the supporting and positioning block, so that the top end of the supporting and positioning block is inserted in the positioning groove, the first threaded rod can be conveniently rotated by rotating the handle, the first threaded rod is in threaded connection with the driving plate, so that the driving vertical rod can be driven to horizontally move, the specific moving direction of the driving vertical rod depends on the rotating direction of the first threaded rod, when the two driving vertical rods move away from each other, the two clamping rods can be stirred by the stirring rod to rotate away from each other, so that the included angle between the two clamping rods is increased, so that the two sides of the lower die are loosened, when the two driving vertical rods move close to each other, the two clamping rods can be pushed to rotate close to each other, so that the included angle between the two clamping rods is reduced, thereby the two sides of the lower die are clamped, the lower die can be clamped and fixed, and the lower die cannot deviate during stamping, the yield of the workpiece is higher, the top end of the clamping right-angle plate can press the edge position of the workpiece downwards to fix the workpiece, and the lower die can be replaced conveniently, so that the lower die is more convenient to maintain;

the utility model discloses the structure is ingenious, convenient to use, and the bed die can be convenient change for the maintenance of bed die is more convenient, and the centre gripping right-angle board can be fixed the bed die clamp is tight, makes the bed die can not take place the skew when the punching press, makes the yields of work piece higher, and makes the work piece take out more convenient through addding ejection mechanism.

Drawings

FIG. 1 is a front view of the present invention;

fig. 2 is a main view cross-sectional view of the support positioning block of the present invention;

fig. 3 is a top view cross-sectional view of the connecting position of the clamping rod and the driving vertical rod of the present invention.

In the figure: 1. a base; 2. a support; 3. supporting a positioning block; 4. a lower die; 5. a guide sleeve; 6. a first guide bar; 7. driving the vertical rod; 8. a first threaded rod; 9. a drive plate; 10. rotating the handle; 11. a clamping rod; 12. clamping the right-angle plate; 13. a rectangular opening; 14. a toggle bar; 15. a snap ring; 16. a mounting cavity; 17. a lifting plate; 18. a top rod; 19. a top plate; 20. a rotating electric machine; 21. a second threaded rod; 22. a second guide bar; 23. a rubber pad; 24. a rubber sleeve.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-3, the present invention provides a hydraulic clamp for a hydraulic machine tool, which comprises: comprises a base 1, a supporting and positioning block 3 is fixedly connected to the middle position of the top end of the base 1, a lower die 4 is placed on the top end of the supporting and positioning block 3, a positioning groove is formed in the bottom end of the lower die 4, the top end of the supporting and positioning block 3 is inserted into the positioning groove, vertically arranged supports 2 are fixedly connected to the two sides of the supporting and positioning block 3 at the top end of the base 1, two first guide rods 6 are horizontally and slidably mounted on the supports 2, one ends of the first guide rods 6 extend to the mutually close sides of the two supports 2 and are fixedly connected with a driving vertical rod 7, a driving plate 9 is fixedly connected between the ends of the two first guide rods 6 far away from the driving vertical rod 7, first threaded holes are formed in the driving plate 9, first threaded rods 8 are rotatably mounted on the mutually far away sides of the two supports 2, one end of each first threaded rod 8 far away from the support 2 penetrates through the driving plate 9 and is fixedly connected with a rotating handle 10, one side that two supports 2 are close to each other all articulates there is supporting rod 11, has seted up rectangle opening 13 on the supporting rod 11, and drive montant 7 is close to one side fixedly connected with of rectangle opening 13 and stirs excellent 14, stirs excellent 14 and runs through supporting rod 11 through rectangle opening 13, and supporting rod 11 keeps away from the articulated centre gripping rectangular plate 12 of installing of one end of support 2, and centre gripping rectangular plate 12 extends to the both sides of bed die 4, installs ejection mechanism on the supporting locating piece 3.

Wherein, the ejection mechanism comprises a lifting plate 17, a mounting cavity 16 is arranged on the supporting and positioning block 3, the lifting plate 17 is slidably mounted in the mounting cavity 16, a rotating motor 20 is fixedly mounted on the inner wall of the top end of the mounting cavity 16, an output shaft of the rotating motor 20 is fixedly connected with a vertically arranged second threaded rod 21, a second threaded hole is arranged on the lifting plate 17, the bottom end of the second threaded rod 21 penetrates through the lifting plate 17 through the second threaded hole, the bottom end of the second threaded rod 21 is fixedly connected with the inner wall of the bottom end of the mounting cavity 16, the top end of the lifting plate 17 is fixedly connected with a vertically arranged ejector rod 18, the top end of the ejector rod 18 extends into a die cavity of the lower die 4 and is fixedly connected with a top plate 19, the ejection mechanism is used for ejecting a punched workpiece out of the die cavity of the lower die 4, so that the workpiece can be taken out more conveniently, when the rotating motor 20 is started to drive the second threaded rod 21 to rotate and can drive the lifting plate 17 to ascend and descend, the specific moving direction of the lifting plate 17 depends on the rotating direction of the rotating motor 20, so that the lifting plate 19 can be driven to lift, the top plate 19 is kept flush with the inner wall of the bottom end of the lower die 4 when located at the lowest position, and the workpiece punched in the lower die 4 can be ejected by the lifting movement of the top plate 19.

Wherein, still two vertical second guide bars 22 that set up of fixedly connected with between the top inner wall of installation cavity 16 and the bottom inner wall, seted up the guiding hole on the lifter plate 17, second guide bar 22 runs through lifter plate 17 through the guiding hole, and second guide bar 22 plays the guide effect to lifter plate 17 elevating movement.

Wherein, the last fixed mounting of support 2 has the guide sleeve 5 of horizontal setting, and first guide bar 6 slidable mounting is in guide sleeve 5, and guide sleeve 5 plays the guide effect to first guide bar 6 horizontal migration.

Wherein, the externally mounted that rotates handle 10 has rubber sleeve 24, is located the bottom fixedly connected with rubber pad 23 of two centre gripping right-angle boards 12 of top, and rubber sleeve 24 can increase the comfort level that rotates handle 10 and grip, and rubber pad 23 can play the effect of buffering for centre gripping right-angle board 12 can more stable centre gripping work piece.

Wherein, stir two snap rings 15 of the outside fixedly connected with of stick 14, the external diameter of snap ring 15 is greater than the width of rectangle opening 13, and snap ring 15 can block in the both sides of supporting rod 11 for supporting rod 11 is more stable with stirring the cooperation of stick 14.

The utility model discloses a theory of operation and use flow: the lower die 4 can be conveniently replaced by only installing the lower die 4 on the top of the supporting and positioning block 3, so that the top of the supporting and positioning block 3 is inserted into the positioning groove, the first threaded rod 8 can be conveniently rotated by rotating the handle 10, the first threaded rod 8 is in threaded connection with the driving plate 9, so that the driving vertical rods 7 can be driven to horizontally move, the specific moving direction of the driving vertical rods 7 depends on the rotating direction of the first threaded rod 8, when the two driving vertical rods 7 move away from each other, the two clamping rods 11 can be shifted by the shifting rod 14 to rotate away from each other, so that the included angle between the two clamping rods 11 is increased, so that the two sides of the lower die 4 are loosened, when the two driving vertical rods 7 move close to each other, the two clamping rods 11 can be pushed to rotate close to each other, so that the included angle between the two clamping rods 11 is reduced, so that the two sides of the lower die 4 are clamped tightly, the lower die 4 can be clamped and fixed, so that the lower die 4 can not deviate during stamping, the yield of workpieces is higher, and the top end of the clamping right-angle plate 12 can press the edge position of the workpiece downwards to fix the workpiece, the lower die 4 can be replaced conveniently, the maintenance of the lower die 4 is more convenient, the ejection mechanism is used for ejecting the punched workpiece out of the die cavity of the lower die 4, the workpiece is more convenient to take out, when the rotating motor 20 is started to drive the second threaded rod 21 to rotate, the lifting plate 17 can be driven to ascend and descend, the specific moving direction of the lifting plate 17 depends on the rotating direction of the rotating motor 20, therefore, the top plate 19 can be driven to lift, when the top plate 19 is located at the lowest position, the top plate 19 is kept flush with the inner wall of the bottom end of the lower die 4, and the workpiece punched in the lower die 4 can be ejected by the lifting movement of the top plate 19.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hydraulic fixture for hydraulic machine tool which characterized in that: comprises a base (1), a supporting and positioning block (3) is fixedly connected to the middle position of the top end of the base (1), a lower die (4) is placed on the top end of the supporting and positioning block (3), a positioning groove is formed in the bottom end of the lower die (4), the top end of the supporting and positioning block (3) is inserted into the positioning groove, vertically arranged supports (2) are fixedly connected to the two sides of the top end of the base (1) which are positioned on the supporting and positioning block (3), two first guide rods (6) are horizontally and slidably mounted on the supports (2), one ends of the first guide rods (6) extend to the sides, close to each other, of the two supports (2) and are fixedly connected with driving vertical rods (7), a driving plate (9) is fixedly connected between the ends, far away from the driving vertical rods (7), a first threaded hole is formed in the driving plate (9), a first threaded rod (8) is rotatably mounted on one side, far away from each other, of the two supports (2), one end of the first threaded rod (8) far away from the support (2) runs through the drive plate (9) and is fixedly connected with to rotate the handle (10) through the first threaded hole, one side of two supports (2) close to each other is hinged with the clamping rod (11), the rectangular opening (13) is formed in the clamping rod (11), the driving vertical rod (7) is close to one side fixedly connected with of the rectangular opening (13) to dial the rod (14), the dial rod (14) runs through the clamping rod (11) through the rectangular opening (13), the end of the support (2) far away from the clamping rod (11) is hinged to install the clamping right-angle plate (12), the clamping right-angle plate (12) extends to the two sides of the lower die (4), and the supporting and positioning block (3) is provided with the ejection mechanism.

2. The hydraulic jig for a hydraulic machine tool according to claim 1, characterized in that: the ejection mechanism comprises a lifting plate (17), a mounting cavity (16) is formed in the supporting and positioning block (3), the lifting plate (17) is slidably mounted in the mounting cavity (16), a rotating motor (20) is fixedly mounted on the inner wall of the top end of the mounting cavity (16), a second threaded rod (21) which is vertically arranged is fixedly connected with an output shaft of the rotating motor (20), a second threaded hole is formed in the lifting plate (17), the bottom end of the second threaded rod (21) penetrates through the lifting plate (17) through the second threaded hole, the bottom end of the second threaded rod (21) is fixedly connected with the inner wall of the bottom end of the mounting cavity (16), an ejector rod (18) which is vertically arranged is fixedly connected with the top end of the lifting plate (17), and the top end of the ejector rod (18) extends into a die cavity of the lower die (4) and is fixedly connected with a top plate (19).

3. The hydraulic jig for a hydraulic machine tool according to claim 2, characterized in that: still fixedly connected with two second guide bars (22) of vertical setting between the top inner wall of installation cavity (16) and the bottom inner wall, seted up the guiding hole on lifter plate (17), second guide bar (22) run through lifter plate (17) through the guiding hole.

4. The hydraulic jig for a hydraulic machine tool according to claim 1, characterized in that: a horizontally arranged guide sleeve (5) is fixedly mounted on the support (2), and a first guide rod (6) is slidably mounted in the guide sleeve (5).

5. The hydraulic jig for a hydraulic machine tool according to claim 1, characterized in that: the outer portion of the rotating handle (10) is provided with a rubber sleeve (24), and the bottom ends of the two clamping right-angle plates (12) above the rotating handle are fixedly connected with rubber pads (23).

6. The hydraulic jig for a hydraulic machine tool according to claim 1, characterized in that: the outer side of the poking rod (14) is fixedly connected with two clamping rings (15), and the outer diameter of each clamping ring (15) is larger than the width of the rectangular opening (13).