CN213561271U

CN213561271U - Positioning fixture for mold machining

Info

Publication number: CN213561271U
Application number: CN202120988646.0U
Authority: CN
Inventors: 马国永; 晁会永; 吴及涛; 张明扬; 孟祥宾
Original assignee: Shandong Weifang Foton Mould Co Ltd
Current assignee: Shandong Weifang Foton Mould Co Ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-06-29
Anticipated expiration: 2031-05-11

Abstract

The utility model discloses a positioning fixture for mold machining, which relates to the technical field of mold machining, and comprises a substrate and a clamping seat, wherein the clamping seat comprises a mounting frame, the top surface of the mounting frame is provided with a placing groove for placing a blank piece, the mounting frame is hinged with two vertically-swinging press blocks, the two press blocks are symmetrically arranged at two sides of the clamping seat, the mounting frame is rotatably provided with a horizontally-arranged connecting shaft, the connecting shaft is fixedly connected with a connecting plate, one end of each press block is used for pressing the blank piece, and the other end of each press block is hinged with the connecting plate through a first connecting rod; two clamping seats are arranged side by side, and connecting shafts on the two clamping seats are coaxially and fixedly connected; the mechanism further comprises a linear driving mechanism, a machine body of the linear driving mechanism is hinged with the base plate, and an action end of the linear driving mechanism is hinged with any connecting plate. The utility model provides a technical problem that mould processing clamping is inefficient among the prior art, the utility model discloses can realize the blank piece rapid stabilization's of mould clamping.

Description

Positioning fixture for mold machining

Technical Field

The utility model relates to a mould processing technology field, in particular to positioning fixture is used in mould processing.

Background

The die main body and the combined part have high requirements on the positioning accuracy of clamping in the machining process, and the positioning accuracy is ensured through the complex positioning design, so that the clamping process of a workpiece becomes complicated, and the clamping efficiency is influenced.

Disclosure of Invention

To above defect, the utility model aims at providing a positioning fixture is used in mould processing aims at solving the problem that mould processing clamping is inefficiency among the prior art.

In order to solve the technical problem, the technical scheme of the utility model is that:

a positioning clamp for die machining comprises a base plate, wherein a clamping seat is mounted on the base plate, the clamping seat comprises a mounting frame, a placing groove for placing blanks is formed in the top surface of the mounting frame, two pressing blocks capable of swinging vertically are hinged to the mounting frame, the two pressing blocks are symmetrically arranged on two sides of the clamping seat, a horizontally arranged connecting shaft is rotatably mounted on the mounting frame, a connecting plate is fixedly connected to the connecting shaft, one end of each pressing block is used for pressing the blanks, and the other end of each pressing block is hinged to the connecting plate through a first connecting rod; two clamping seats are arranged side by side, and connecting shafts on the two clamping seats are coaxially and fixedly connected; the mechanism further comprises a linear driving mechanism, a machine body of the linear driving mechanism is hinged with the base plate, and an action end of the linear driving mechanism is hinged with any connecting plate.

The base plate is fixedly connected with a track, a sliding groove is formed in the track, a sliding block is connected in the sliding groove in a sliding mode, and the sliding block is hinged to a connecting plate which is not connected with the linear driving mechanism through a second connecting rod.

The sliding groove is a T-shaped groove, the sliding block is provided with a vertically arranged first threaded through hole, and a puller bolt is screwed in the first threaded through hole.

Wherein, the T-shaped groove is fixedly connected with a stop block, the stop block is provided with a second threaded through hole, and an adjusting bolt for limiting the sliding block is screwed in the second threaded through hole.

Wherein, the side that two clamping seats back to each other is equipped with the opening that can supply the blank to pass through, and opening intercommunication standing groove.

Wherein, the mounting bracket includes roof and two risers, and two riser fixed support are between roof and base plate, and the connecting plate is located between two risers.

After the technical scheme is adopted, the beneficial effects of the utility model are that:

1. the horizontal positioning of the blank is realized through the placing groove with an opening formed in one side, and the vertical positioning of the blank is realized through the two pressing blocks which synchronously act, so that the blank is quickly and stably clamped;

2. the two pressing blocks can be driven to synchronously act through the rotation of one connecting plate, so that the integral structure is simplified, and the clamping stability is improved;

3. the two clamping bases can be driven to synchronously clamp through a linear driving mechanism, so that the clamping efficiency is improved;

4. the positioning fixture is further provided with an adjusting mechanism, and the adjusting mechanism can realize locking after clamping and effective regulation and control of clamping force.

Drawings

FIG. 1 is a schematic structural view of a positioning fixture for mold processing according to the present invention;

FIG. 2 is a schematic structural view of the adjustment mechanism of FIG. 1;

in the figure, a base plate 1, a clamping seat 2, a top plate 20, a vertical plate 21, a supporting block 22, a notch 220, an opening 221, a mounting block 222, a connecting shaft 23, a coupler 230, a first triangular plate 231, a second triangular plate 232, a pressing block 24, a first connecting rod 240, an air cylinder 25, an adjusting mechanism 3, a track 30, a T-shaped groove 300, a stop block 301, an adjusting bolt 302, a locking nut 303, a sliding block 31, a second connecting rod 310, a jacking bolt 311 and a blank piece 4.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

The position that involves in this specification all uses the utility model relates to a position when positioning fixture for mould processing normally works is the standard, does not restrict its storage and position when transporting, only represents relative position relation, does not represent absolute position relation.

As shown in fig. 1, the positioning fixture for mold processing includes a horizontally placed substrate 1, a clamping seat 2 is installed on the substrate 1, the clamping seat 2 includes an installation frame and a linear driving mechanism, in this embodiment, the installation frame includes a top plate 20 and two vertical plates 21, the bottoms of the vertical plates 21 are fixed on the substrate 1 through bolts, the top plate 20 is fixed at the tops of the vertical plates 21 through bolts, two supporting blocks 22 are fixedly connected to the top plate 20 through bolts, notches 220 are respectively arranged on opposite sides of the two supporting blocks 22, a placement groove is jointly formed by the two notches 220 and an area between the two supporting blocks 22, and is used for placing a blank 4, and one side of the placement groove is an opening 221, so that the blank 4 can enter the placement groove through the opening 221, and horizontal limit of the blank 4 is realized.

Connecting axle 23, the connecting plate all is located between two risers 21, the one end of connecting axle 23 is rotated and is installed on riser 21, the other end of connecting axle 23 is connected on the connecting plate, in this embodiment, the connecting plate is the triangle-shaped board of vertical setting, the center department at the triangle-shaped board is connected perpendicularly to connecting axle 23, the triangle-shaped board has three angle end, bolt fixedly connected with installation piece 222 is passed through in the outside of supporting shoe 22, the middle part of briquetting 24 is rotated through the pivot and is connected on installation piece 222, make briquetting 24 can the luffing motion, make briquetting 24's one end can push down on the blank 4 that is located the standing groove, a fixed clamping for blank 4 is in vertical direction.

The two pressing blocks 24 are symmetrically arranged on two sides of the clamping seat 2, the two pressing blocks 24 are hinged to two adjacent angle ends of the triangular plate through the first connecting rod 240 respectively, namely two ends of the first connecting rod 240 are rotatably connected with the pressing blocks 24 and the triangular plate through rotating shafts respectively. When the connecting shaft 23 rotates, the triangular plate is driven to rotate, and the two pressing blocks 24 are pulled to synchronously swing.

The linear driving mechanism is a cylinder 25 or a hydraulic cylinder or an electric push rod, the cylinder 25 is adopted in the embodiment, the cylinder body of the cylinder 25 is hinged on the base plate 1, and the end part of the piston rod of the cylinder 25 is rotatably connected to the rest corner end of the triangular plate through a rotating shaft. The cylinder 25 drives the triangular plate to rotate when doing telescopic action, so as to drive the pressing block 24 to compress the blank piece 4, so that the workpiece clamping is timely and effective, and the clamping stability is high.

The number of the clamping seats 2 is two, the two clamping seats 2 are arranged side by side, and the connecting shafts 23 on the two clamping seats 2 are coaxially connected through the shaft coupling 230. The two openings 221 are located on the sides of the two clamping seats 2 facing away from each other, so as to avoid interference between the two clamping seats 2 in picking and placing the blank 4.

One of the two clamping seats 2 is connected with a linear driving mechanism, and one clamping seat 2 is driven to clamp through the linear driving mechanism, so that the other clamping seat 2 is driven to clamp synchronously. Namely, the synchronous clamping of two or more blank pieces 4 can be driven by one linear driving mechanism, so that the processing efficiency is improved.

As shown in fig. 1 and fig. 2, further, the positioning fixture for mold machining further includes an adjusting mechanism 3, the adjusting mechanism 3 includes a rail 30 fixed on the base plate, a sliding groove is provided on the rail 30, a sliding block 31 is slidably connected in the sliding groove, triangular plates located on the two clamping seats 2 are a first triangular plate 231 and a second triangular plate 232 respectively, the first triangular plate 231 is connected with the cylinder 25, and the second triangular plate 232 is hinged to the sliding block 31 through a second connecting rod 310.

The cylinder 25 drives the first triangular plate 231 to rotate, so that the second triangular plate 232 can be driven to rotate synchronously, the second triangular plate 232 rotates, and the sliding block 31 can be pulled through the second connecting rod 310, so that the sliding block 31 can slide synchronously in the sliding groove, and the stability of the rotation of the second triangular plate 232 is improved.

Preferably, the spout is T type groove 300, slider 31 is the square, be equipped with the first screw through hole of vertical setting on the slider 31, the vertical slider 31 that runs through of first screw through hole, puller bolt 311 spiro union is in slider 31, puller bolt 311 when screwing, make puller bolt 311 top tight on the bottom surface of T type groove 300, the square is upwards promoted and then sticiss at the groove top in T type groove 300, realize the fixed of slider 31 in the spout through frictional force, and then locking second set-square 232, realize the synchronous locking to two clamping bases 2 promptly, avoid cylinder 25 to influence clamping stability when the short-term inefficacy because of the gas circuit trouble.

Preferably, a stopper 301 is fixedly connected in the T-shaped groove 300, a second threaded through hole is formed in the stopper 301, the axial direction of the second bolt through hole is consistent with the extending direction of the T-shaped groove 300, an adjusting bolt 302 is screwed in the second threaded through hole, a locking nut 303 is screwed on the adjusting bolt 302, and by rotating the adjusting bolt 302, the adjusting bolt 302 can be screwed in or out, so that the position of the sliding block 31 is adjusted, namely, the limiting position is adjusted, and excessive clamping of the blank piece 4 is avoided.

The present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes without creative labor from the above conception, and all the changes fall within the protection scope of the present invention.

Claims

1. A positioning clamp for processing a mould comprises a base plate, wherein a clamping seat is arranged on the base plate,

the clamping seat comprises a mounting frame, a placing groove for placing a blank is formed in the top surface of the mounting frame, two pressing blocks capable of swinging vertically are hinged to the mounting frame, the two pressing blocks are symmetrically arranged on two sides of the clamping seat, a horizontally arranged connecting shaft is rotatably mounted on the mounting frame, a connecting plate is fixedly connected to the connecting shaft, one end of each pressing block is used for pressing the blank, and the other end of each pressing block is hinged to the connecting plate through a first connecting rod;

the two clamping seats are arranged side by side, and the connecting shafts on the two clamping seats are coaxially and fixedly connected;

the mechanism body of the linear driving mechanism is hinged to the base plate, and the action end of the linear driving mechanism is hinged to any one of the connecting plates.

2. The positioning fixture for mold processing according to claim 1, wherein a rail is fixed to the base plate, the rail has a sliding slot, a sliding block is slidably connected to the sliding slot, and the sliding block is hinged to the connecting plate, which is not connected to the linear driving mechanism, through a second connecting rod.

3. The positioning fixture for mold processing according to claim 2, wherein the sliding groove is a T-shaped groove, the sliding block is provided with a first vertically-arranged threaded through hole, and a tightening bolt is screwed into the first threaded through hole.

4. The positioning fixture for mold processing according to claim 3, wherein a stopper is fixedly connected to the T-shaped groove, the stopper is provided with a second threaded through hole, and an adjusting bolt for limiting the sliding block is screwed into the second threaded through hole.

5. The positioning jig for mold processing according to claim 1, wherein the two clamping seats are provided with openings on the sides facing away from each other for the blank to pass through, and the openings communicate with the placing grooves.

6. The mold tooling positioning fixture of claim 1, wherein said mounting bracket includes a top plate and two risers, said risers being fixedly supported between said top plate and said base plate, said connecting plate being located between said risers.