CN211072740U

CN211072740U - Multi-step positioning fixture

Info

Publication number: CN211072740U
Application number: CN201921880970.XU
Authority: CN
Inventors: 纪福笑; 张涛
Original assignee: Tianjin Yingjia Changsheng Technology Development Co ltd
Current assignee: Tianjin Yingjia Changsheng Technology Development Co ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-07-24
Anticipated expiration: 2029-11-04

Abstract

The utility model discloses a positioning fixture of multistep, including base, actuating mechanism, two clamping and positioning mechanism of setting on actuating mechanism, actuating mechanism is fixed to be set up on the base, actuating mechanism drives two clamping and positioning mechanism simultaneous movement, clamping and positioning mechanism includes first pneumatic cylinder, centre gripping swing arm, connecting plate, the drive end and the centre gripping swing arm of pneumatic cylinder are articulated, the lower extreme and the connecting plate of centre gripping swing arm are articulated, the one end that first pneumatic cylinder was kept away from in the centre gripping swing arm is equipped with the grip block, be equipped with a plurality of grip blocks down on the connecting plate, go up the grip block and install with the cooperation of grip block down. The utility model aims at providing a positioning fixture of multistep can carry out two steps through two mechanisms of actuating mechanism and centre gripping positioning mechanism and adjust the clamping position of anchor clamps, has improved the centre gripping location effect of anchor clamps.

Description

Multi-step positioning fixture

Technical Field

The utility model relates to an anchor clamps technical field especially relates to a positioning fixture of multistep.

Background

The sheet metal processing includes traditional methods and technological parameters of cutting blanking, blanking processing, bending and pressing forming and the like, various cold stamping die structures and technological parameters, various equipment working principles and operation methods, a new stamping technology and a new process, and the sheet metal part needs to be fastened in the sheet metal processing process so as to facilitate subsequent processing.

The existing positioning fixture for machining the sheet metal part is relatively fixed in position, and when the positioning fixture is used, the position cannot be adjusted according to different workpieces, so that the clamping and positioning effects are poor.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model aims at providing a positioning fixture of multistep can carry out two steps through two mechanisms of actuating mechanism and centre gripping positioning mechanism and adjust the clamping position of anchor clamps, has improved the centre gripping location effect of anchor clamps.

The utility model provides a technical scheme that above-mentioned technical problem adopted is: the utility model provides a positioning fixture of multistep, includes base, actuating mechanism, sets up two centre gripping positioning mechanism on actuating mechanism, actuating mechanism is fixed to be set up on the base, actuating mechanism drives two centre gripping positioning mechanism simultaneous movement, centre gripping positioning mechanism includes first pneumatic cylinder, centre gripping swing arm, connecting plate, the drive end of first pneumatic cylinder is articulated with the centre gripping swing arm, the lower extreme of centre gripping swing arm is articulated with the connecting plate, the one end that first pneumatic cylinder was kept away from in the centre gripping swing arm is equipped with the grip block, be equipped with a plurality of grip blocks down on the connecting plate, go up the grip block and install with the cooperation of grip block down.

Furthermore, the base comprises a bottom plate, a first vertical pipe and a second vertical pipe fixedly connected with the first vertical pipe, the first vertical pipe is fixedly arranged on the bottom plate, and a fixing piece is arranged at the connection position of the first vertical pipe and the second vertical pipe.

Furthermore, actuating mechanism includes second pneumatic cylinder, guide post, hydraulic cylinder seat, first fixed plate, second fixed plate and roof, the guide post cover is established in hydraulic cylinder seat sliding connection, the drive end and the first fixed plate fixed connection of second pneumatic cylinder, first fixed plate and second fixed plate fixed connection, second fixed plate fixed mounting is at the roof lower surface.

Further, the clamping mechanism is fixedly installed on two sides of the top plate through side plates, the connecting plate is connected with the side plates through bolts, and the side plates are fixedly connected with the top plate through bolts.

Furthermore, the number of the lower clamping blocks is two and is in the shape of L, and the lower clamping blocks are fixedly arranged on the connecting plate through bolts.

The utility model has the advantages that:

the utility model discloses an go up the grip block and carry out the centre gripping to the work piece with the multi-angle of grip block down for the work piece is difficult for dropping, has improved the centre gripping effect, through setting up actuating mechanism and two clamping position mechanism, can make anchor clamps realize the centre gripping of multistep at the centre gripping work piece in-process, step up the work piece through two clamping position mechanism earlier promptly, then whole synchronous motion to two clamping position mechanism of carrying out of second pneumatic cylinder through actuating mechanism, so that carry out accurate regulation to the work piece position, centre gripping precision and accuracy have been improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the base of the present invention.

Fig. 3 is a schematic structural diagram of the driving mechanism of the present invention.

Fig. 4 is a schematic structural diagram of the clamping and positioning mechanism of the present invention.

Fig. 5 is a side view of the clamping and positioning mechanism of the present invention.

Wherein:

1. a base; 11. a base plate; 12. a first riser; 13. a second riser; 14. a fixing sheet; 2. a drive mechanism; 21. a second hydraulic cylinder; 22. a hydraulic cylinder base; 23. a guide post; 24. a first fixing plate; 25. a second fixing plate; 26. a top plate; 3. a side plate; 4. a clamping and positioning mechanism; 41. a first hydraulic cylinder; 42. clamping the swing arm; 43. a connecting plate; 44. an upper clamping block; 45. a lower clamping block;

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A multi-step positioning fixture as shown in fig. 1, 4, and 5, includes a base 1, a driving mechanism 2, and two clamping and positioning mechanisms 4 disposed on the driving mechanism 2, wherein the driving mechanism 2 is fixedly disposed on the base 1, the clamping mechanisms are fixedly disposed on two sides of a top plate 26 through a side plate 3, a connecting plate 43 is connected to the side plate 3 through a bolt, the side plate 3 is fixedly connected to the top plate 26 through a bolt, the driving mechanism 2 drives the two clamping and positioning mechanisms 4 to move synchronously, each clamping and positioning mechanism 4 includes a first hydraulic cylinder 41, a clamping swing arm 42, and a connecting plate 43, a driving end of the first hydraulic cylinder 41 is hinged to the clamping swing arm 42, a lower end of the clamping swing arm 42 is hinged to the connecting plate 43, an upper clamping block 44 is disposed at an end of the clamping swing arm 42 far away from the first hydraulic cylinder 41, a plurality of lower clamping blocks 45 are disposed on the connecting plate 43, the number of the lower clamping blocks 45 is two and is "L", the lower clamping blocks 45 are fixedly disposed on the connecting plate 43 through a bolt, and the.

As shown in fig. 2, the base 1 includes a bottom plate 11, a first vertical pipe 12, and a second vertical pipe 13 fixedly connected to the first vertical pipe 12, the first vertical pipe 12 is fixedly welded to the bottom plate 11, fixing pieces 14 are disposed on two sides of the first vertical pipe 12 to increase stability of the first vertical pipe 12, the second vertical pipe 13 is welded to the top of the first vertical pipe 12, and the fixing pieces 14 are disposed at a connection position of the first vertical pipe 12 and the second vertical pipe 13 to increase stability of the second vertical pipe 13, so that the base 1 is relatively stable as a whole.

As shown in fig. 3, the driving mechanism 2 includes a second hydraulic cylinder 21, a guide column 23, a hydraulic cylinder base 22, a first fixing plate 24, a second fixing plate 25 and a top plate 26, the guide column 23 is sleeved on the hydraulic cylinder base 22 and slidably connected thereto, a driving end of the second hydraulic cylinder 21 is fixedly connected to the first fixing plate 24 through a bolt, the first fixing plate 24 is fixedly connected to the second fixing plate 25 through a bolt, and the second fixing plate 25 is fixedly mounted on a lower surface of the top plate 26 through a bolt.

The working mode is as follows:

when the clamping of sheet metal part is carried out, drive the first pneumatic cylinder 41 of two centre gripping positioning mechanism 4 simultaneously, the one end that centre gripping swing arm 42 and first pneumatic cylinder 41 are connected is rotated down through first pneumatic cylinder 41 piston rod drive, make the last grip block 44 that centre gripping swing arm 42 lower surface set up and the lower grip block 45 of connecting plate 43 upper surface setting will treat the sheet metal part of processing and carry out the centre gripping, until making last grip block 44, lower grip block 45 will treat the sheet metal part of processing and tighten completely, then drive second pneumatic cylinder 21, drive and first fixed plate 24 through the motion of second pneumatic cylinder 21 piston rod, the roof 26 of second fixed plate 25 fixed mounting moves, make the sheet metal part of treating processing move to the processing position, accomplish the operation of clamping.

The utility model discloses an upper clamping block 44 carries out the centre gripping with the multi-angle of lower clamping block 45 to the work piece, make the work piece be difficult for dropping, the centre gripping effect has been improved, through setting up actuating mechanism 2 and two clamping and positioning mechanism 4, can make anchor clamps realize the centre gripping of multistep at the clamping workpiece in-process, step up the work piece through two clamping and positioning mechanism earlier promptly, then whole carry out synchronous motion to two clamping and positioning mechanism through actuating mechanism 2's second pneumatic cylinder 21, so that carry out accurate regulation to the work piece position, centre gripping precision and accuracy have been improved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a positioning fixture of multistep, its characterized in that includes base, actuating mechanism, sets up two centre gripping positioning mechanism on actuating mechanism, actuating mechanism is fixed to be set up on the base, actuating mechanism drives two centre gripping positioning mechanism simultaneous movement, centre gripping positioning mechanism includes first pneumatic cylinder, centre gripping swing arm, connecting plate, the drive end and the centre gripping swing arm of first pneumatic cylinder are articulated, the lower extreme and the connecting plate of centre gripping swing arm are articulated, the one end that first pneumatic cylinder was kept away from in the centre gripping swing arm is equipped with the grip block, be equipped with a plurality of grip blocks down on the connecting plate, go up grip block and lower grip block cooperation installation.

2. The multi-step positioning fixture of claim 1, wherein the base comprises a bottom plate, a first vertical pipe, and a second vertical pipe fixedly connected to the first vertical pipe, the first vertical pipe is fixedly disposed on the bottom plate, and a fixing plate is disposed at a connection position of the first vertical pipe and the second vertical pipe.

3. The multi-step positioning fixture according to claim 1, wherein the driving mechanism comprises a second hydraulic cylinder, a guide post, a hydraulic cylinder seat, a first fixing plate, a second fixing plate and a top plate, the guide post is sleeved in the hydraulic cylinder seat and slidably connected, a driving end of the second hydraulic cylinder is fixedly connected with the first fixing plate, the first fixing plate is fixedly connected with the second fixing plate, and the second fixing plate is fixedly arranged on the lower surface of the top plate.

4. The multi-step positioning fixture of claim 1, wherein the clamping and positioning mechanism is fixedly mounted on two sides of the top plate through side plates, the connecting plate is connected with the side plates through bolts, and the side plates are fixedly connected with the top plate through bolts.

5. The multi-step positioning fixture of claim 1, wherein the number of the lower clamping blocks is two and is "L", and the lower clamping blocks are fixed on the connecting plate by bolts.