CN215093653U - Psammitolite, iron core, get trinity gripper of piece - Google Patents

Abstract

The utility model provides a psammitolite, iron core, trinity gripper of getting, including the connection pad, three cantilever of connection pad circumference fixedly connected with, three be fixed with psammitolite anchor clamps, iron core anchor clamps and get on the cantilever respectively; the sand core clamp, the iron core clamp and the workpiece taking clamp respectively comprise a clamp fixing frame, a clamping cylinder, two clamping arms and a synchronous driving mechanism for driving the two clamping arms to approach or separate from each other; the clamping arms of the two iron core clamps are arranged at left and right intervals and are of L-shaped structures, the transverse parts of the L-shaped structures are clamping parts, and the top ends of the vertical parts of the L-shaped clamping arms are respectively fixed at the output ends of the synchronous driving mechanisms. Three kinds of anchor clamps are collected in an organic whole, can satisfy the foundry goods lathe of different centre gripping demands, improve the function diversification.

Description

Psammitolite, iron core, get trinity gripper of piece

Technical Field

The utility model relates to an anchor clamps technical field, concretely relates to psammitolite, iron core, get trinity gripper of piece.

Background

Gravity casting refers to a process of pouring molten metal into a casting mold under the action of earth gravity, and also gravity casting. The generalized gravity casting comprises sand casting, metal casting, investment casting, lost foam casting, clay mold casting and the like; narrowly defined gravity casting refers primarily to metal mold casting. A common gravity casting machine needs to manufacture a plurality of different workpieces, and therefore, a clamp capable of clamping different workpieces is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving the technical problem who exists among the prior art at least, creatively provided a psammitolite, iron core very much, got a trinity gripper.

In order to realize the above purpose of the utility model, the utility model provides a three-in-one gripper for sand core, iron core and workpiece taking, which comprises a connecting disc, wherein three cantilevers are circumferentially arranged on the connecting disc, and a sand core clamp, an iron core clamp and a workpiece taking clamp are respectively fixed on the three cantilevers;

the sand core clamp, the iron core clamp and the workpiece taking clamp respectively comprise a clamp fixing frame, a clamping cylinder, two clamping arms and a synchronous driving mechanism for driving the two clamping arms to approach or separate from each other;

the iron core fixture comprises an iron core fixture, and is characterized in that two clamping arms of the iron core fixture are arranged at left and right intervals, the clamping arms are in an L-shaped structure formed by connecting a transverse part and a vertical part, wherein the transverse part is a clamping part, the top ends of the vertical part are respectively fixed at two output ends of a synchronous driving mechanism, the iron core fixture is also provided with a limiting plate, the limiting plate is positioned below the clamping arms, a correcting cylinder with an downward extending end is arranged on a fixture fixing frame and is positioned between the two clamping arms, the extending end of the correcting cylinder is fixedly connected with a correcting push plate, and the correcting cylinder is used for pushing a workpiece between the two clamping arms downwards until the lower surface of the workpiece is abutted against the limiting plate;

the two clamping arms of the sand core clamp are arranged at intervals in the front-back direction and extend vertically, and the bottom ends of the two clamping arms of the sand core clamp are oppositely provided with first clamping fingers extending transversely; the bottom side of the clamp fixing frame of the sand core clamp is provided with a plurality of blowing nozzles which are uniformly distributed on the left side and the right side of a clamping arm of the sand core clamp;

get about two tight arms of a clamp interval setting, and be the n type structure that the opening is decurrent, get the frame shape structure that the anchor clamps mount of an anchor clamps is enclosed by bottom plate, roof, front and back curb plate, the synchronous drive mechanism and the die clamping cylinder who gets an anchor clamps all are located the hollow position department of anchor clamps mount, 4 landing legs that correspond two tight arms of clamp on the bottom plate of anchor clamps mount are provided with the bar hole of controlling the extension, the below of anchor clamps mount is all stretched out from the bar hole to two landing legs of the tight arm of n type structure's clamp, and the relative one side of landing leg all is equipped with the tight finger of second clamp, the tight finger of second clamp includes the card finger that the interval set up from top to bottom, realizes the centre gripping in going into the gap between the rib of getting a work piece through the card finger card.

In the scheme, the method comprises the following steps: the synchronous driving mechanism comprises a gear and two racks which are meshed with the gear, the gear is rotatably connected to the fixture fixing frame, the racks are connected to the fixture fixing frame in a sliding mode, the clamping arms are fixed to the two racks respectively, the extending end of each clamping cylinder is fixedly connected with any one of the racks, and the two clamping arms are driven to move relatively through the clamping cylinders. Simple structure, the drive is stable.

In the scheme, the method comprises the following steps: the first clamping finger of the sand core clamp is of an obtuse-angle V-shaped structure.

In the scheme, the method comprises the following steps: the side, opposite to the two first clamping fingers, of the sand core clamp is provided with arc-shaped notch first clamping fingers matched with the outline of the clamping part of the sand core workpiece, and the first clamping fingers are in surface contact with the sand core workpiece, so that the clamping force is improved.

In the scheme, the method comprises the following steps: the blowing angles of the blowing nozzles positioned on the same side are different. The sand core workpiece can be swept at different angles.

In the scheme, the method comprises the following steps: the bottom side of the fixture fixing frame of the iron core fixture is vertically provided with a heat insulation plate close to the front side of a corner of the clamping arm, and the clamping cylinder of the iron core fixture is arranged on the rear side of the heat insulation plate. The heat of the iron core workpiece can be isolated, the clamping cylinder is prevented from being damaged due to the fact that the clamping cylinder receives the high temperature of the iron core workpiece, and the durability of the clamping cylinder is improved.

In the scheme, the method comprises the following steps: the cylinder body of the correction cylinder is arranged at the hollow position of the fixture fixing frame, and the telescopic end of the correction cylinder penetrates through the bottom plate of the fixture fixing frame, so that the correction push plate is located below the fixture fixing frame. Further strengthen thermal-insulated to rectifying the cylinder, the flexible end direct contact iron core work piece that can avoid rectifying the cylinder of the correction push pedal that sets up effectively guarantees that the cylinder of rectifying does not receive high temperature to damage.

In the scheme, the method comprises the following steps: and the clamping cylinder of the sand core clamp is provided with a pressure regulating valve. The clamping force of the clamping cylinder of the sand core clamp can be adjusted.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that: collect three kinds of anchor clamps in an organic whole, can satisfy the foundry goods lathe of different centre gripping demands, it is diversified to improve the function, and application scope is wide, reduces the installation time of changing anchor clamps, improves work efficiency for the production progress.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is an overall schematic view of the present invention;

fig. 2 is a right side view of the iron core fixture of the present invention;

fig. 3 is a front view of the iron core fixture of the present invention;

FIG. 4 is an elevation view of the sand core clamp of the present invention;

fig. 5 is a right side view of a first clamping finger of the sand core clamp of the present invention;

fig. 6 is a schematic view of the pickup clamp of the present invention;

fig. 7 is a front view of the pickup clamp of the present invention;

fig. 8 is a left side view of the pickup jig of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1-8, a three-in-one gripper for sand core, iron core and workpiece taking comprises a connecting disc 1, wherein three cantilevers 2 are fixedly connected to the connecting disc 1 in the circumferential direction, and a sand core clamp 4, an iron core clamp 3 and a workpiece taking clamp 5 are respectively fixed on the three cantilevers 2.

The sand core clamp 4, the iron core clamp 3 and the workpiece taking clamp 5 respectively comprise a clamp fixing frame A, a clamping cylinder C, two clamping arms B and a synchronous driving mechanism D for driving the two clamping arms B to mutually approach or keep away. The fixture fixing frame (A) is a frame-shaped structure which is enclosed by a bottom plate, a top plate, a front side plate and a rear side plate. As shown in fig. 6, the synchronous driving mechanism D includes a gear D1 and two racks D2 engaged with the gear D1, the gear D1 is rotatably connected to the fixture mount a, the racks D2 are slidably connected to the fixture mount a, the two clamping arms B are respectively fixed to the two racks D2, the extending end of the clamping cylinder C is fixedly connected to any one of the racks D2, and the clamping cylinder C pushes the rack D2 to move, so as to drive the gear D1 to rotate. And the gear D1 drives the other rack D2 to move, so that the two clamping arms B are driven to move relatively.

Two clamping arms B of the iron core clamp 3 are arranged at left and right intervals and are of L-shaped structures, and the transverse parts of the L-shaped structures are clamping parts. The top ends of the L-shaped vertical portions of the clamp arms B are fixed to two racks D2 of the synchronous drive mechanism D, respectively. Still be equipped with limiting plate 3d on iron core anchor clamps 3, limiting plate 3d is located the below of pressing from both sides tight arm B, is equipped with the correction cylinder 3a that stretches out the end and set up down on the anchor clamps mount A, and the extension end fixedly connected with who rectifies cylinder 3a rectifies push pedal 3 c.

Preferably, a heat insulation plate 3b is vertically arranged on the front side of the bottom side of the fixture fixing frame A of the iron core fixture 3 close to the right-angle corner of the clamping arm BL type, and a clamping cylinder C of the iron core fixture 3 is arranged on the rear side of the heat insulation plate 3 b.

Preferably, the cylinder body of the correction cylinder 3a is arranged at the hollow position of the fixture fixing frame a, and the telescopic end of the correction cylinder 3a penetrates through the bottom plate of the fixture fixing frame a, so that the correction push plate 3c is positioned below the fixture fixing frame a.

When the iron core clamp 3 is used, the two clamping arms B are driven to mutually approach through the synchronous driving mechanism D, so that an iron core workpiece is clamped. After the two clamping arms B clamp the iron core workpiece, the iron core workpiece is downwards extended through the correcting cylinder 3a, so that the iron core workpiece is downwards pushed to completely fall into the die groove.

Two clamping arms B of the sand core clamp 4 are arranged at intervals in the front and back direction and extend vertically. The bottom end of the clamping arm B of the core clamp 4 is oppositely provided with a first clamping finger 4B extending transversely. Wherein, the first clamping finger 4b of the sand core clamp 4 is in a V-shaped structure with an obtuse angle. Preferably, the side of the sand core clamp 4 opposite to the two first clamping fingers 4b is provided with an arc-shaped notch 4c matched with the outline of the clamping part of the sand core workpiece, so that the sand core clamp is more matched with the sand core workpiece, the clamping contact surface is larger, and the clamping stability is improved.

The bottom side of the fixture fixing frame A of the sand core fixture 4 is provided with a plurality of blowing nozzles 4 a. The plurality of blowing nozzles 4a are uniformly distributed on the left side and the right side of the clamping arm B of the sand core clamp 4; and the blowing angles of the blowing nozzles 4a positioned at the same side are different, so that the requirement of blowing the sand core workpiece in all aspects is met. Preferably, the clamp cylinder C of the core jig 4 is equipped with a pressure regulating valve.

Get two tight arm B left and right sides interval setting of a anchor clamps 5, and be n type structure, get synchronous drive mechanism D and die clamping cylinder C of a anchor clamps 5 and all be located anchor clamps mount A's hollow position department, 4 landing legs that correspond two tight arm B of clamp on anchor clamps mount A's the bottom plate are provided with the bar hole of controlling the extension, two landing legs of the tight arm B of n type structure all stretch out anchor clamps mount A's below from pressing from both sides the bar downthehole, and the one side that the landing leg is relative all is equipped with the tight finger 5a of second clamp, the tight finger 5a of second clamp includes the card finger that the interval set up from top to bottom, realize the centre gripping in the gap between the rib of getting a work piece through the card finger card.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (8)

1. The utility model provides a psammitolite, iron core, get trinity gripper of piece which characterized in that: the connecting disc comprises a connecting disc (1), wherein three cantilevers (2) are arranged on the connecting disc (1) in the circumferential direction, and a sand core clamp (4), an iron core clamp (3) and a workpiece taking clamp (5) are respectively fixed on the three cantilevers (2);

the sand core clamp (4), the iron core clamp (3) and the workpiece taking clamp (5) respectively comprise a clamp fixing frame (A), a clamping cylinder (C), two clamping arms (B) and a synchronous driving mechanism (D) for driving the two clamping arms (B) to mutually approach or separate;

two clamping arms (B) of the iron core clamp (3) are arranged at left and right intervals, the clamping arms (B) are of an L-shaped structure formed by connecting a horizontal part and a vertical part, wherein the horizontal part is a clamping part, the top end of the vertical part is respectively fixed at two output ends of the synchronous driving mechanism (D), a limiting plate (3d) is further arranged on the iron core clamp (3), the limiting plate (3d) is positioned below the clamping arm (B), a correcting cylinder (3a) with an extending end arranged downwards is arranged on the clamp fixing frame (A), the correcting cylinder is positioned between the two clamping arms (B), the extending end of the correcting cylinder (3a) is fixedly connected with a correcting push plate (3c), the correcting cylinder (3a) is used for pushing the workpiece between the two clamping arms (B) downwards until the lower surface of the workpiece is tightly abutted against the limiting plate (3 d);

the two clamping arms (B) of the sand core clamp (4) are arranged at intervals in the front-back direction and extend vertically, and the bottom ends of the two clamping arms (B) of the sand core clamp (4) are oppositely provided with first clamping fingers (4B) extending transversely; a plurality of purging nozzles (4a) are arranged on the bottom side of a clamp fixing frame (A) of the sand core clamp (4), and the purging nozzles (4a) are uniformly distributed on the left side and the right side of a clamping arm (B) of the sand core clamp (4);

the two clamping arms (B) of the workpiece taking clamp (5) are arranged at intervals left and right and are of an n-shaped structure with a downward opening, the fixture fixing frame (A) of the pickup fixture (5) is a frame-shaped structure enclosed by a bottom plate, a top plate, a front side plate and a rear side plate, the synchronous driving mechanism (D) and the clamping cylinder (C) of the pickup clamp (5) are both positioned at the hollow position of the clamp fixing frame (A), a strip-shaped hole extending left and right is arranged on the bottom plate of the clamp fixing frame (A) corresponding to 4 supporting legs of the two clamping arms (B), two supporting legs of the clamping arm (B) with the n-shaped structure extend out of the strip-shaped hole to the lower part of the fixture fixing frame (A), and the opposite side of landing leg all is equipped with the second and presss from both sides tight finger (5a), the second presss from both sides tight finger (5a) including the card that the interval set up from top to bottom, realizes the centre gripping in the gap between the rib of getting a work piece through card finger card income.

2. The three-in-one gripper for sand core, iron core and workpiece taking of claim 1, which is characterized in that: synchronous actuating mechanism (D) include a gear (D1) and two all with rack (D2) of gear (D1) meshing, gear (D1) rotate to be connected on anchor clamps mount (A), rack (D2) equal sliding connection is on anchor clamps mount (A), two clamp arm (B) is fixed respectively on two rack (D2), clamp cylinder (C) stretch out end and wherein arbitrary one rack (D2) fixed connection, drive two clamp arm (B) through clamp cylinder (C) and do relative motion.

3. The three-in-one gripper for sand core, iron core and workpiece taking of claim 1, which is characterized in that: and a first clamping finger (4b) of the sand core clamp (4) is of an obtuse-angle V-shaped structure.

4. The three-in-one gripper for sand core, iron core and workpiece taking of claim 3, which is characterized in that: and arc-shaped notches (4c) matched with the outer contour of the clamping part of the sand core workpiece are arranged on one side of the sand core clamp (4) opposite to the two first clamping fingers (4 b).

5. The three-in-one gripper for sand core, iron core and workpiece taking of claim 3, which is characterized in that: the blowing angles of the blowing nozzles (4a) on the same side are different.

6. The three-in-one gripper for sand core, iron core and workpiece taking of claim 1, which is characterized in that: the iron core fixture is characterized in that a heat insulation plate (3B) is vertically arranged on the front side of the corner of the clamping arm (B) close to the bottom side of the fixture fixing frame (A) of the iron core fixture (3), and a clamping cylinder (C) of the iron core fixture (3) is arranged on the rear side of the heat insulation plate (3B).

7. The three-in-one gripper for sand core, iron core and workpiece taking as claimed in claim 6, is characterized in that: the cylinder body of the correction cylinder (3a) is arranged at the hollow position of the fixture fixing frame (A), and the telescopic end of the correction cylinder (3a) penetrates through the bottom plate of the fixture fixing frame (A), so that the correction push plate (3c) is located below the fixture fixing frame (A).

8. The three-in-one gripper for sand core, iron core and workpiece taking of claim 1, which is characterized in that: and a clamping cylinder (C) of the sand core clamp (4) is provided with a pressure regulating valve.

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