CN216881375U

CN216881375U - Auxiliary clamping device for die machining

Info

Publication number: CN216881375U
Application number: CN202220393989.7U
Authority: CN
Inventors: 曹卫华
Original assignee: Tianjin G Shank Precision Mould Co ltd
Current assignee: Tianjin G Shank Precision Mould Co ltd
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-07-05
Anticipated expiration: 2032-02-25

Abstract

The utility model discloses an auxiliary clamping device for die machining, which relates to the field of die machining and comprises a base, wherein a worm is arranged in a cavity in the base, the worm is meshed with a worm wheel, a screw rod is inserted in the axis of the worm wheel, one end of the screw rod penetrates out of the wall of the base and is connected with a clamping block, clamping arms are rotatably connected with the outer walls of two sides of the clamping block, an adjusting nut is sleeved on the outer wall of the screw rod, a bearing is slidably sleeved on the outer wall of the adjusting nut, a first fixing frame is fixedly connected on the outer walls of two sides of the bearing, a second fixing frame is fixedly connected on the outer walls of the two clamping arms, the first fixing frame is connected with the second fixing frame through a connecting rod, the distance between the two clamping blocks is adjusted through reciprocating movement of the screw rod so as to realize extrusion clamping on a round machined object, and the adjusting nut moves along the screw rod to enable the connecting rod to push the clamping arms to surround the round machined object to form secondary surrounding clamping, the upper and lower positions of the support column are adjusted to support the bottom of the round machined object, and the device is better in clamping effect and convenient to use.

Description

Auxiliary clamping device for die machining

Technical Field

The utility model relates to the field of die machining, in particular to an auxiliary clamping device for die machining.

Background

Mould processing is the processing of shaping and base-making instrument, in addition still include shearing mould and cross cutting mould, it is fixed that the centre gripping needs to carry out the centre gripping to the mould sometimes in the mould course of working to make things convenient for workman or machine to process, clamping means on the present market can inseparable centre gripping when centre gripping regular shape for example processing thing such as square, but the centre gripping effect is unsatisfactory when touchhing some circular or spherical objects, and clamping device is comparatively troublesome when using, for this reason this novel supplementary clamping device is used for solving above-mentioned problem for mould processing that provides.

SUMMERY OF THE UTILITY MODEL

The utility model provides an auxiliary clamping device for die machining, which solves the problems that a traditional clamping tool can tightly clamp workpieces with regular shapes such as squares and the like, but the clamping effect is not ideal when the clamping tool meets some round or spherical objects, and the clamping device is troublesome to use.

In order to achieve the purpose, the utility model adopts the following technical scheme: the clamping device comprises a base, install the worm in the inside cavity of base, the worm meshes with the worm wheel mutually, just worm wheel axle center department alternates there is the lead screw, lead screw one end wear out from the base conch wall and with grip block fixed connection, grip block both sides outer wall all rotates and is connected with the centre gripping arm, adjusting nut has been cup jointed to the screw thread on the lead screw outer wall, just sliding sleeve is equipped with the bearing on the adjusting nut outer wall, the bearing both sides all are equipped with the spacing collar, the inside ball that is equipped with of bearing, equal fixedly connected with mount one, two on the bearing both sides outer wall fixedly connected with mount two on the centre gripping arm outer wall, just be connected through the connecting rod between mount one and the mount two.

As a preferable scheme of the utility model, a supporting column penetrates through the middle part of the clamping block, the supporting column is connected in a sliding manner along the inner wall of the through hole of the clamping block, a sliding groove is formed in the outer wall of the supporting column, a convex block is fixedly connected to the inner wall of the through hole of the clamping block, and a supporting rod is fixedly connected to the outer wall of the bottom of the supporting column.

In a preferred embodiment of the present invention, one end of the central rotation shaft of the worm penetrates through the wall of the base housing and is connected with the rotating disc.

As a preferred scheme of the utility model, the bottom of the base is fixedly connected with a base, and four corners of the edge of the base are provided with fixing holes.

As a preferable scheme of the utility model, the clamping arms are formed by rotationally connecting a plurality of rotating blocks, and the two clamping arms are correspondingly spliced in an annular shape when being bent to the maximum extent.

As a preferable scheme of the utility model, the contact surfaces of the clamping blocks and the clamping arms with the clamped object are provided with silica gel pads.

In the utility model:

thereby this mould processing is with supplementary clamping device adjusts the extrusion centre gripping to circular processing thing through the lead screw round trip movement distance between two grip blocks, moves along the lead screw through adjusting the nut and can make the connecting rod promote the centre gripping arm to encircle circular processing thing and form the secondary and encircle the centre gripping, and the position can support circular processing thing bottom about readjusting the support column, and the device centre gripping effect is better and convenient to use.

Drawings

FIG. 1 is a front sectional view of an auxiliary clamping device for mold processing according to the present invention;

FIG. 2 is a top sectional view of an auxiliary clamping device for mold processing according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 of the auxiliary clamping device for mold processing according to the present invention;

fig. 4 is a schematic perspective view of a supporting column of the auxiliary clamping device for mold processing according to the present invention.

Reference numbers in the figures: 1. a base; 2. a worm; 3. a worm gear; 4. a screw rod; 5. a clamping block; 6. a clamp arm; 7. adjusting the screw cap; 8. a bearing; 9. a limiting ring; 10. a ball bearing; 11. a first fixing frame; 12. a second fixing frame; 13. a connecting rod; 14. a support pillar; 141. a chute; 142. a support bar; 15. a rotating shaft; 16. rotating the disc; 17. a base; 18. and (7) fixing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The embodiment is shown in figures 1-4, the utility model provides an auxiliary clamping device for die processing, which comprises a base 1, wherein a worm 2 is installed in a cavity inside the base 1, one end of a central rotating shaft 15 of the worm 2 penetrates out of the wall of the base 1 and is connected with a rotating disc 16, the worm 2 is meshed with a worm wheel 3, a screw rod 4 is inserted in the axis of the worm wheel 3, one end of the screw rod 4 penetrates out of the wall of the base 1 and is fixedly connected with a clamping block 5, the rotating disc 16 can drive the rotating shaft 15 and the worm 2 to rotate, so that the worm wheel 3 drives the screw rod 4 to move, the positions of the clamping blocks 5 on the screw rod 4 can be adjusted according to different rotating directions and rotating angles of the rotating disc 16, and therefore two clamping blocks 5 can squeeze and clamp objects to be clamped in the middle.

5 both sides outer wall of grip block all rotates and is connected with centre gripping arm 6, centre gripping arm 6 rotates by a plurality of rotatory pieces to be connected and constitutes, and two centre gripping arms 6 correspond the concatenation for the annular when buckling the most, grip block 5 and centre gripping arm 6 with all install the silica gel pad by the centre gripping thing contact surface, grip arm 6 can encircle under the promotion of external force and be fixed the centre gripping by the centre gripping thing, the design of silica gel pad can avoid grip block 5 and centre gripping arm 6 to cause the damage to by the centre gripping thing when the extrusion centre gripping.

Adjusting nut 7 has been cup jointed to the screw thread on the 4 outer walls of lead screw, and sliding sleeve is equipped with bearing 8 on the 7 outer walls of adjusting nut, bearing 8 both sides all are equipped with spacing collar 9, the inside ball 10 that is equipped with of bearing 8, equal fixedly connected with mount 11 on the outer wall of bearing 8 both sides, fixedly connected with mount two 12 on the 6 outer walls of two centre gripping arms, and be connected through connecting rod 13 between mount 11 and the mount two 12, can make adjusting nut 7 drive bearing 8 along 4 round trip movement of lead screw through rotatory adjusting nut 7, thereby make connecting rod 13 promote or tractive centre gripping arm 6 change the shape, the circular of adaptation different diameters is used by the cramping thing.

Support column 14 has been run through in the middle part of grip block 5, and support column 14 is along 5 through hole inner wall sliding connection of grip block, spout 141 has been seted up on the outer wall of support column 14, and fixedly connected with lug on the 5 through hole inner walls of grip block, fixedly connected with bracing piece 142 on the outer wall of support column 14 bottom, insert grip block 5 along lug and spout 141 with support column 14, rotatory or removal support column 14 makes the relative spout 141 of lug remove, thereby can adjust the upper and lower position of support column 14, support column 14 bottom sprag pole 142 can be to being supported the protection by the cramping thing bottom.

Base 1 bottom fixedly connected with base 17, and base 17 edge four corners has all seted up fixed orifices 18, can be with base 1 fixed mounting on the workstation of mould processing through fixed orifices 18 and base 17 to guarantee to process the stable centre gripping of object.

The working principle is as follows: when the device is used, the base 1 is fixedly arranged on a workbench through the base 17 and the fixing hole 18, the screw rod 4 can be adjusted to move back and forth through the rotation of the rotating disc 16, so that the clamping blocks 5 on the two screw rods 4 mutually press the clamped objects, at the moment, the adjusting nut 7 is rotated to enable the adjusting nut 7 to move along the screw rods 4, meanwhile, because of the bearing 8 and the ball 10, the first fixing frame 11 only moves transversely and does not turn over, the first fixing frame 11 pushes the second fixing frame 12 on the clamping arm 6 to move through the connecting rod 13, thereby changing the shape of the clamping arm 6 to clamp the object to be clamped in the middle in an encircling way, inserting the supporting column 14 into the clamping block 5 through the convex block and the sliding groove 141, rotating or moving the supporting column 14 to enable the convex block to move relative to the sliding groove 141, therefore, the up-down position of the supporting column 14 can be adjusted, and the supporting rod 142 at the bottom of the supporting column 14 can support and protect the bottom of the clamped object.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The auxiliary clamping device for die machining is characterized by comprising a base (1), wherein a worm (2) is installed in a cavity inside the base (1), the worm (2) is meshed with a worm wheel (3), a lead screw (4) is inserted in the axis of the worm wheel (3), one end of the lead screw (4) penetrates out of the wall of the base (1) and is fixedly connected with a clamping block (5), the outer walls of two sides of the clamping block (5) are rotatably connected with clamping arms (6), an adjusting nut (7) is sleeved on the outer wall of the lead screw (4) in a threaded manner, a bearing (8) is sleeved on the outer wall of the adjusting nut (7) in a sliding manner, limiting rings (9) are arranged on two sides of the bearing (8), balls (10) are arranged inside the bearing (8), a first fixing frame (11) is fixedly connected on the outer walls of two sides of the bearing (8), and a second fixing frame (12) is fixedly connected on the outer wall of the two clamping arms (6), and the first fixing frame (11) is connected with the second fixing frame (12) through a connecting rod (13).

2. The auxiliary clamping device for mold processing according to claim 1, wherein a supporting column (14) penetrates through the middle of the clamping block (5), the supporting column (14) is connected with the inner wall of a through hole of the clamping block (5) in a sliding manner, a sliding groove (141) is formed in the outer wall of the supporting column (14), a convex block is fixedly connected with the inner wall of the through hole of the clamping block (5), and a supporting rod (142) is fixedly connected with the outer wall of the bottom of the supporting column (14).

3. The auxiliary clamping device for mold processing according to claim 1, wherein one end of the central rotating shaft (15) of the worm (2) penetrates out of the wall of the base (1) and is connected with the rotating disc (16).

4. The auxiliary clamping device for mold processing as claimed in claim 1, wherein a base (17) is fixedly connected to the bottom of the base (1), and four corners of the edge of the base (17) are provided with fixing holes (18).

5. The auxiliary clamping device for mold processing as claimed in claim 1, wherein the clamping arm (6) is formed by connecting a plurality of rotating blocks in a rotating manner, and two clamping arms (6) are correspondingly spliced in an annular shape when being bent at the maximum.

6. The auxiliary clamping device for mold processing according to claim 1, wherein the contact surfaces of the clamping block (5) and the clamping arm (6) and the object to be clamped are provided with silica gel pads.