CN209021932U - Light-duty precision wedge-type clamping jaw - Google Patents

Abstract

A kind of light-duty accurate wedge-type clamping jaw, including basic blocks, fixture block, bearing, handle, elastic parts, fixture block includes clamping plate and inclined plate, clamping plate is installed on inclined plate, basic blocks one end offers the sliding slot with inclined plate corresponding tilt, inclined plate surface is equipped with bearing hole, detent surface is equipped with first through hole corresponding with bearing hole, fixture block is set in sliding slot by inclined plate sliding, bearing is set in bearing hole, handle one end is equipped with eccentric shaft, one end of handle passes through first through hole and is touched by eccentric shaft and bearing inner wall, elastic parts be set to inclined plate bottom end and with basic blocks elastic connection, and the elastic direction of elastic parts is corresponding with the inclined direction of inclined plate.Fixture block is moved obliquely along sliding slot court by rotational handle, deformation occurs generates elastic force along sliding slot obliquely for elastic parts, the elastic force can resolve into the power and power straight down of the horizontal direction of clamping mold, and the downward power of vertical direction can be effectively prevented mold and be upturned, deform.

Description

Light-duty precision wedge-type clamping jaw

Technical field

The utility model relates to mold injection molding technical field, espespecially a kind of light-duty accurate wedge-type clamping jaw.

Background technique

When carrying out mold processing, mold will receive the effect of cutting force, centrifugal force and inertia force etc., in order to guarantee mold Under the action of these external force, the Working position that mold still can have been determined by setting element in fixture, and will not shake Dynamic and displacement should be arranged clamping jaw in clamp structure and reliably clip mold, and existing die clamp mainly has vice and true Suction etc., the clamping mode of vice mainly use the flat-pushing stress in side, and by screw rod or hydraulic locking mold, this mode is locked Power control bad greatly, mold are easily deformed, and locking side is easy to tilt, and the clamping mode that vacuum is inhaled is mainly that positive pressure gas source produces Raw negative pressure is by mold cramping, and it is very high that this mode inhales face required precision for vacuum chuck, and vacuum inhales fixture and is not provided with folder Pawl, when the one side of mold bottom surface is not flat, vacuum suction can not adsorb mold so that can not process to mold.

Summary of the invention

It, can be with by cooperating with fixture to solve the above problems, the utility model provides a kind of light-duty accurate wedge-type clamping jaw While effective clamping mold, so that mold stress equalization, avoids the phenomenon that mold deforms with side tilting.

The light-duty accurate wedge-type clamping jaw of one kind that in order to achieve the above purposes, the technical solution adopted by the utility model is:, including base Plinth block, fixture block, bearing, handle, elastic parts, the fixture block include clamping plate and inclined plate, and the clamping plate is installed on inclined plate, described Basic blocks one end offers the sliding slot with inclined plate corresponding tilt, and the inclined plate surface is equipped with bearing hole, and the detent surface is equipped with First through hole corresponding with bearing hole, the fixture block are set in sliding slot by inclined plate sliding, and the bearing is set in bearing hole, institute Handle one end is stated equipped with eccentric shaft, one end of the handle passes through first through hole and touches by eccentric shaft and bearing inner wall, institute State elastic parts set on the bottom end of inclined plate and with basic blocks elastic connection, and the inclination side in the elastic direction and inclined plate of elastic parts To correspondence.

Specifically, the elastic parts includes helical spring, locking board, limited screw, the both ends of the locking board and base Plinth block is fixedly connected, and the limited screw passes through locking board and is fixedly connected with inclined plate, and limited screw is parallel with sliding slot, the spiral shell Rotation spring is socketed on limited screw surface and is located between the nut and locking board of limited screw.

Specifically, the elastic parts includes leaf spring, limited screw, and the both ends of the leaf spring are fixedly connected with basic blocks, The center of the leaf spring is equipped with aperture, and the limited screw passes through aperture and is fixedly connected with fixture block, and limited screw and sliding slot are flat Row, the nut of the limited screw are abutted with leaf spring.

It specifically, further include stop screw, the basic blocks bottom is equipped with the second through-hole, and the second through-hole and first through hole Connection, the outer wall of the handle circumferentially arranged with locking groove, the stop screw be set in the second through-hole and stop screw one End is stuck in locking groove, and when rotating the handle makes eccentric shaft be located at bearing axle, the stop screw blocks locking groove end Handle is set to stop operating.

Specifically, the elastic parts further includes fixed screw, and the basic blocks are equipped with screw hole, and the locking board is set There is matching hole corresponding with screw hole, matching hole and screw hole, the locking board and base are successively locked by the fixed screw Plinth block is fixedly connected.

Specifically, the elastic parts further includes the first gasket, the second gasket, and first gasket and the second gasket cover It connects on limited screw surface, and the nut of limited screw and leaf spring compress the first gasket, leaf spring and fixture block compress the second gasket.

Specifically, the elastic parts further includes set screw, and the set screw is parallel to sliding slot set on the second gasket Both ends, one end of the set screw is fixedly connected with inclined plate, and the both ends of second gasket are equipped with corresponding with set screw Locating slot, and locating slot covers on corresponding set screw surface.

Specifically, the two sides of the clamping plate are recessed inwardly to form limiting slot, and the sliding slot two sides are equipped with corresponding with limiting slot Limited block, and limited block is slidably matched with limiting slot.

Specifically, the end face of the clamping plate is equipped with form friction pattern.

Specifically, the both ends of the basic blocks are equipped with location hole.

The utility model has the beneficial effects that:

By rotational handle, make fixture block along sliding slot towards moving obliquely, fixture block displacement drives elastic parts, and deformation occurs, Elastic parts is set to generate elastic force along sliding slot obliquely, which can decompose power horizontally and straight down Power, at this time the power of horizontal direction can clamping mold because being that elastic force acts on so that mold stress is more balanced, while vertical direction Downward power can be effectively prevented mold and be upturned, deform.

Detailed description of the invention

Fig. 1 is the explosive view of the utility model embodiment one；

Fig. 2 is the overall structure diagram of the utility model embodiment one；

Fig. 3 is the main view of the utility model embodiment one；

Fig. 4 is the explosive view of the utility model embodiment two；

Fig. 5 is the overall structure diagram of the utility model embodiment two；

Fig. 6 is the main view of the utility model embodiment two；

Fig. 7 is the structural schematic diagram of the utility model handle and fixture block；

Fig. 8 is utility model works status diagram.

Drawing reference numeral explanation: 1. handles；2. basic blocks；3. stop screw；4. bearing；6. locking board；7. helical spring；8. Fixed screw；9. limited screw；10. set screw；11. the second gasket；12. leaf spring；13. the first gasket；14. fixture；15. base Quasi- block；16. mold；21. first through hole；22. the second through-hole；23. location hole；24. sliding slot；25. limited block；51. inclined plate； 52. clamping plate；53. form friction pattern；54. limiting slot；110. locking groove；111. eccentric shaft；112. locating slot.

Specific embodiment

Embodiment one:

Please refer to Fig. 1-3,7, a kind of light-duty accurate wedge-type clamping jaw, including basic blocks 2, fixture block, bearing 4, handle 1, elasticity Component, the fixture block include clamping plate 52 and inclined plate 51, and the clamping plate 52 is installed on inclined plate 51, and described 2 one end of basic blocks opens up There is the sliding slot 24 with 51 corresponding tilt of inclined plate, 51 surface of inclined plate is equipped with 4 hole of bearing, and 24 surface of sliding slot is equipped with and bearing The corresponding first through hole 21 in 4 holes, the fixture block are set in sliding slot 24 by the sliding of inclined plate 51, and the bearing 4 is set to 4 hole of bearing Interior, described 1 one end of handle is equipped with eccentric shaft 111, one end of the handle 1 pass through first through hole 21 and by eccentric shaft 111 with 4 inner wall of bearing touches, the elastic parts be set to the bottom end of inclined plate 51 and with 2 elastic connection of basic blocks, and the bullet of elastic parts Property direction is corresponding with the inclined direction of inclined plate 51；

The elastic parts includes helical spring 7, locking board 6, limited screw 9, the both ends of the locking board 6 and basic blocks 2 are fixedly connected, and the limited screw 9 passes through locking board 6 and is fixedly connected with inclined plate 51, and limited screw 9 is parallel with sliding slot 24, institute Helical spring 7 is stated to be socketed on 9 surface of limited screw and be located between the nut and locking board 6 of limited screw 9.

It is used referring to Fig. 8, the utility model need to be mounted on fixture 14: several light-duty accurate wedge-type clamping jaws is mounted on The side of fixture 14, the other side of fixture 14 are equipped with benchmark block 15.In use, first rotational handle 1, make eccentric shaft 111 from The low spot of 4 inner wall of bearing is slid onto the high point of 4 inner wall of bearing, and eccentric shaft 111 drives fixture block along sliding slot 24 towards 14 outside of fixture It moves obliquely, limited screw 9 and 6 compression helical spring 7 of locking board, generates helical spring 7 along sliding slot 24 obliquely Elastic force, is put into mold 16 position being located between benchmark block 15 and light-duty accurate wedge-type clamping jaw on fixture 14, and another mistake is to turning Fixed handle 1, fixture block is moved along sliding slot 24 towards 14 inside of fixture obliquely under the driving of 7 elastic force of helical spring, to pass through The common effect clamping mold 16 of fixture block and benchmark block 15.

Fixture block displacement drives elastic parts, and deformation occurs, and elastic parts is made to generate the elastic force along sliding slot 24 obliquely, should Elastic force can decompose power horizontally and power straight down, at this time the power meeting clamping mold 16 of horizontal direction, because being Elastic force acts on so that 16 stress of mold is more balanced, while the downward power of vertical direction can be effectively prevented mold 16 and tilt upward It rises, deformation.

It further include stop screw 3 in the present embodiment, 2 bottom of basic blocks is equipped with the second through-hole 22, and the second through-hole 22 It is connected to first through hole 21, for the outer wall of the handle 1 circumferentially arranged with locking groove 110, the stop screw 3 is set to the second through-hole In 22 and one end of stop screw 3 is stuck in locking groove 110, when rotating the handle 1 makes eccentric shaft 111 be located at 4 vertex of bearing, The stop screw 3, which blocks 110 end of locking groove, makes handle 1 stop operating.

Using the above scheme, by setting stop screw 3 and locking groove 110, one end of stop screw 3 is stuck in locking groove In 110, when the rotation of handle 1 makes eccentric shaft 111 be located at 4 vertex of bearing, i.e., handle 1 moves on to fixture block along sliding slot 24 obliquely When highest point, the end limitation handle 1 that stop screw 3 will block locking groove 110 is further rotated, and handle 1 is effectively prevent to exist It is continued to rotate under the elastic force of helical spring 7, positions fixture block temporarily, convenient for placing mold 16.

In the present embodiment, the elastic parts further includes fixed screw 8, and the basic blocks 2 are equipped with screw hole, the lock Solid plate 6 is equipped with matching hole corresponding with screw hole, successively locks matching hole and screw hole, the lock by the fixed screw 8 Solid plate 6 is fixedly connected with basic blocks 2.

Using the above scheme, locking board 6 effectively can be securely locked to the bottom of basic blocks 2 by fixed screw 8.

In the present embodiment, the two sides of the clamping plate 52 are recessed inwardly to form limiting slot 54,24 two sides of sliding slot be equipped with The corresponding limited block 25 of limiting slot 54, and limited block 25 is slidably matched with limiting slot 54.

Using the above scheme, by the way that limiting slot 54 is arranged in clamping plate 52,24 two sides of sliding slot are equipped with corresponding with limiting slot 54 Limited block 25, limited block 25 are slidably connected with limiting slot 54, so that fixture block is whole more stable to be moved along sliding slot 24.

In the present embodiment, the end face of the clamping plate 52 is equipped with form friction pattern 53.

Using the above scheme, the form friction pattern 53 of 52 end face of clamping plate can effectively increase the frictional force with mold 16, make fixture block More firm clamping mold 16.

In the present embodiment, the both ends of the basic blocks 2 are equipped with location hole 23.

Using the above scheme, location hole 23 is set in basic blocks 2, is cooperated by screw and location hole 23, it can be by this Utility model is fixed on fixture 14.

Embodiment two:

Please refer to Fig. 4-7, a kind of light-duty accurate wedge-type clamping jaw, including basic blocks 2, fixture block, bearing 4, handle 1, elastic group Part, the fixture block include clamping plate 52 and inclined plate 51, and the clamping plate 52 is installed on inclined plate 51, and described 2 one end of basic blocks offers With the sliding slot 24 of 51 corresponding tilt of inclined plate, 51 surface of inclined plate is equipped with 4 hole of bearing, and 24 surface of sliding slot is equipped with and bearing 4 The corresponding first through hole 21 in hole, the fixture block are set in sliding slot 24 by the sliding of inclined plate 51, and the bearing 4 is set in 4 hole of bearing, Described 1 one end of handle is equipped with eccentric shaft 111, and one end of the handle 1 passes through first through hole 21 and passes through eccentric shaft 111 and bearing 4 inner walls touch, the elastic parts be set to the bottom end of inclined plate 51 and with 2 elastic connection of basic blocks, and the elasticity side of elastic parts To corresponding with the inclined direction of inclined plate 51；

The elastic parts includes leaf spring 12, limited screw 9, and the both ends of the leaf spring 12 are fixedly connected with basic blocks 2, institute The center for stating leaf spring 12 is equipped with aperture, and the limited screw 9 passes through aperture and is fixedly connected with fixture block, and limited screw 9 and sliding slot 24 is parallel, and the nut of the limited screw 9 is abutted with leaf spring 12.

It is used referring to Fig. 8, the utility model need to be mounted on fixture 14: several light-duty accurate wedge-type clamping jaws is mounted on The side of fixture 14, the other side of fixture 14 are equipped with benchmark block 15.In use, first rotational handle 1, make eccentric shaft 111 from The low spot of 4 inner wall of bearing is slid onto the high point of 4 inner wall of bearing, and eccentric shaft 111 drives fixture block along sliding slot 24 towards 14 outside of fixture It moves obliquely, limited screw 9 pulls 12 center of leaf spring, 24 upward deformation along the chute, generates leaf spring 12 oblique along sliding slot 24 Under elastic force, mold 16 is put into the position being located between benchmark block 15 and light-duty accurate wedge-type clamping jaw on fixture 14, another mistake To rotational handle 1, fixture block is moved along sliding slot 24 towards 14 inside of fixture obliquely under the driving of 12 elastic force of leaf spring, to pass through The common effect clamping mold 16 of fixture block and benchmark block 15.

In the present embodiment, the elastic parts further includes the first gasket 13, the second gasket 11, first gasket 13 and Two gaskets 11 are socketed in 9 surface of limited screw, and the nut of limited screw 9 and leaf spring 12 compress the first gasket 13, leaf spring 12 The second gasket 11 is compressed with fixture block.

Using the above scheme, by the way that the first gasket 13, the second gasket 11 is arranged, when deformation occurs for leaf spring 12, the first pad Piece 13 and the second gasket 11 can play buffer function, and effective protection leaf spring 12 prolongs its service life.

In the present embodiment, the elastic parts further includes set screw 10, and the set screw 10 is parallel to sliding slot 24 and sets It is fixedly connected in the one end at the both ends of the second gasket 11, the set screw 10 with inclined plate 51, the both ends of second gasket 11 Equipped with locating slot 112 corresponding with set screw 10, and 112 sets of locating slot on corresponding 10 surface of set screw.

Using the above scheme, set screw 10 clips the semicircular locating slot 112 in 11 two sides of the second gasket, makes the second gasket 11 it is more firm between leaf spring 12 and inclined plate 51.

Embodiment of above is only that preferred embodiments of the present invention are described, not to the utility model Range be defined, under the premise of not departing from the spirit of the design of the utility model, this field ordinary engineering and technical personnel to this The various changes and improvements that the technical solution of utility model is made should all fall into the guarantor that claims of the utility model determine It protects in range.

Claims (10)

1. a kind of light-duty accurate wedge-type clamping jaw, it is characterised in that: described including basic blocks, fixture block, bearing, handle, elastic parts Fixture block includes clamping plate and inclined plate, and the clamping plate is installed on inclined plate, and described basic blocks one end offers and inclined plate corresponding tilt Sliding slot, the inclined plate surface are equipped with bearing hole, and the detent surface is equipped with first through hole corresponding with bearing hole, and the fixture block is logical Cross inclined plate sliding be set to sliding slot in, the bearing be set to bearing hole in, described handle one end be equipped with eccentric shaft, the one of the handle End is touched across first through hole and by eccentric shaft and bearing inner wall, and the elastic parts is set to the bottom end of inclined plate and and basic blocks Elastic connection, and the elastic direction of elastic parts is corresponding with the inclined direction of inclined plate.

2. light-duty accurate wedge-type clamping jaw according to claim 1, it is characterised in that: the elastic parts includes spiral bullet The both ends of spring, locking board, limited screw, the locking board are fixedly connected with basic blocks, the limited screw pass through locking board with Inclined plate is fixedly connected, and limited screw is parallel with sliding slot, and the helical spring is socketed on limited screw surface and is located at limit spiral shell Between the nut and locking board of silk.

3. light-duty accurate wedge-type clamping jaw according to claim 1, it is characterised in that: the elastic parts includes leaf spring, limit Position screw, the both ends of the leaf spring are fixedly connected with basic blocks, and the center of the leaf spring is equipped with aperture, and the limited screw passes through Aperture is fixedly connected with fixture block, and limited screw is parallel with sliding slot, and the nut of the limited screw is abutted with leaf spring.

4. light-duty accurate wedge-type clamping jaw according to claim 1-3, it is characterised in that: it further include stop screw, The basic blocks bottom is equipped with the second through-hole, and the second through-hole is connected to first through hole, the outer wall of the handle circumferentially arranged with Locking groove, the stop screw is set in the second through-hole and one end of stop screw is stuck in locking groove, and rotating the handle makes When eccentric shaft is located at bearing axle, the stop screw, which blocks locking groove end, makes handle stop operating.

5. light-duty accurate wedge-type clamping jaw according to claim 2, it is characterised in that: the elastic parts further includes fixed spiral shell Silk, the basic blocks are equipped with screw hole, and the locking board is equipped with matching hole corresponding with screw hole, passes through the fixed screw It successively locks matching hole and screw hole, the locking board is fixedly connected with basic blocks.

6. light-duty accurate wedge-type clamping jaw according to claim 3, it is characterised in that: the elastic parts further includes the first pad Piece, the second gasket, first gasket and the second gasket are socketed in limited screw surface, and the nut and leaf spring of limited screw The first gasket is compressed, leaf spring and fixture block compress the second gasket.

7. light-duty accurate wedge-type clamping jaw according to claim 6, it is characterised in that: the elastic parts further includes positioning spiral shell Silk, the set screw are parallel to the both ends that sliding slot is set to the second gasket, and one end of the set screw is fixedly connected with inclined plate, The both ends of second gasket are equipped with locating slot corresponding with set screw, and locating slot covers on corresponding set screw surface.

8. light-duty accurate wedge-type clamping jaw according to claim 1-3, it is characterised in that: two sides of the clamping plate to Sunken inside forms limiting slot, and the sliding slot two sides are equipped with limited block corresponding with limiting slot, and limited block is matched with limiting slot sliding It closes.

9. light-duty accurate wedge-type clamping jaw according to claim 1-3, it is characterised in that: the end face of the clamping plate is set There is form friction pattern.

10. light-duty accurate wedge-type clamping jaw according to claim 1-3, it is characterised in that: the two of the basic blocks End is equipped with location hole.