CN216461585U - Lost foam positioning tool - Google Patents

Abstract

The utility model relates to the field of lost foam positioning devices, in particular to a lost foam positioning tool, which comprises a workbench, a plurality of clamping pieces, a connecting rope, a plurality of second limiting rings and a plurality of second springs; each clamping piece comprises a sliding rod, a sliding shaft, a pressing plate, a first limiting ring, a first spring and a sliding plate; an installation bin is arranged in the sliding rod; the sliding plate is connected with the inner wall of the mounting bin in a sliding manner and is connected with the bottom surface of the mounting bin through a first spring; the sliding shaft is connected with the sliding plate and penetrates through the sliding rod; the pressing plate is movably connected with the sliding shaft and is connected with the first limiting ring; the workbench is provided with a plurality of sliding chutes; the sliding rod is connected with the inner wall of the sliding chute through a second spring; the second limiting ring is arranged on the workbench; one end of the connecting rope is connected with a second limiting ring, and the other end of the connecting rope sequentially penetrates through the plurality of second limiting rings and the plurality of first limiting rings; the workbench is provided with a winding component. The utility model discloses be convenient for press from both sides tightly the work piece of different shapes and size.

Description

Lost foam positioning tool

Technical Field

The utility model belongs to the technical field of disappearance mould positioner and specifically relates to a disappearance mould location frock.

Background

Lost foam casting, also called solid mold casting, is to make a solid mold with the same structure and size as the parts to be produced and cast with high molecular materials such as EPS, STMMA or EPMMA, dip-coat refractory paint, dry and bury in dry quartz sand, three-dimensionally vibrate for molding, pour molding sand boxes and pour molten metal in a negative pressure state, so that the high molecular material model is heated, gasified and drawn out, and then replaced by liquid metal, and cooled and solidified to form a casting, which is a novel casting method for producing castings through a new one-step molding casting process, during the casting production process, some castings with long straight through holes from top to bottom are often encountered, the long straight through holes of the castings have larger diameter and are not completely processed, therefore, the casting process can not be cast dead in design, a sand core is needed to be used to cast the structures of the castings, and the sand core of the castings usually also has long straight through holes, for the sand core of the type, the positioning problem in the casting process is the key point and the difficulty to be solved, if the sand core with the long straight through hole deflects, the processing and the assembly of a subsequent casting are seriously influenced, and the casting is easily scrapped.

Chinese patent with the publication number of CN212945289U discloses a lost foam positioning tool, which comprises a main working table, a booster motor, a first fixing tool and an installer, wherein the left end of the top of the main working table is fixedly connected with the first fixing tool; the utility model discloses utilize main table surface center to set up concave fixed standing groove, concave fixed standing groove is inside to inlay and connect powerful electro-magnet, can be further fix a position disappearing, utilize six double-screw bolts of installation main part top fixed connection, six gun barrels in the installation main part bottom fixed connection, the rotatory torsion ware of installation main part right side threaded connection is convenient for change the location frock to the disappearance mould of different shapes.

However, the clamping device needs to be replaced when in use so as to clamp workpieces in different shapes, and the device is troublesome to use and low in practicability.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a workpiece carries out the tight disappearance mould location frock of clamp to different shapes and size to the problem that exists among the background art.

The technical scheme of the utility model: a lost foam positioning tool comprises a workbench, a plurality of clamping pieces, a connecting rope, a plurality of second limiting rings and a plurality of second springs; each clamping piece comprises a sliding rod, a sliding shaft, a pressing plate, a first limiting ring, a first spring and a sliding plate;

an installation bin is arranged in the sliding rod; the sliding plate is connected with the inner wall of the mounting bin in a sliding manner and is connected with the bottom surface of the mounting bin through a first spring; the sliding shaft is positioned in the installation bin, one end of the sliding shaft is connected with the sliding plate, and the other end of the sliding shaft penetrates through the sliding rod; the pressing plate is movably connected with one end of the sliding shaft penetrating out of the sliding rod and is connected with the first limiting ring;

the workbench is provided with a plurality of supporting frames, and a plurality of sliding chutes are arranged on the workbench side by side; each sliding rod is connected with the inner wall of each sliding groove through each second spring;

the plurality of second limiting rings are divided into two groups, and the two groups of second limiting rings are arranged on the workbench; one end of the connecting rope is connected with a second limiting ring, and the other end of the connecting rope sequentially penetrates through the plurality of second limiting rings and the plurality of first limiting rings; the workbench is provided with a winding component for winding the other end of the connecting rope.

Preferably, the winding assembly comprises a baffle plate, a winding shaft, a limiting plate and a motor; the motor is arranged on the workbench, and an output shaft of the motor is connected with the limiting plate; two ends of the winding shaft are respectively connected with a baffle plate and a limiting plate; the connecting rope is wound on the winding shaft.

Preferably, the baffle, the winding shaft and the limiting plate are of an integrally formed structure.

Preferably, a plurality of reinforcing rods are further included; two ends of each reinforcing rod are respectively connected with two supporting frames.

Preferably, each sliding groove is a T-shaped sliding groove; the bottom end of the sliding rod is provided with a T-shaped sliding block; the T-shaped sliding block is matched with and slidably connected with the inner wall of the T-shaped sliding groove.

Preferably, the pressure plate is an arc-shaped plate.

Preferably, the pressing plate is provided with a rubber pad.

Preferably, the device further comprises a plurality of rotating shafts; each rotating shaft is arranged on each pressing plate; each pressing plate is movably connected with each sliding shaft through each rotating shaft.

Compared with the prior art, the utility model discloses following profitable technological effect has:

in the embodiment, when the workpiece positioning device is used, a user places a workpiece on the workbench; then carry out the rolling by the rolling subassembly to connecting the rope, connect the rope and act on the power of a plurality of first spacing rings and promote a plurality of slide bars and sliding shaft and remove towards the axis direction of workstation, a plurality of sliding shafts are respectively to a plurality of second springs stretching, a plurality of slide bars pass through the sliding plate and compress first spring, make the clamp plate compress tightly the surface of work piece, through compressing tightly of a plurality of clamp plates to the work piece, make the device be applicable to the work piece of various different shapes and size, the practicality of device has been improved.

Drawings

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

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a partially enlarged schematic view of a portion B in fig. 1.

Fig. 4 is a cross-sectional view of a clamping member according to the present invention.

Reference numerals: 1. a support frame; 11. a reinforcing bar; 2. a work table; 201. a chute; 3. a clamping member; 31. a slide bar; 301. installing a bin; 32. a sliding shaft; 33. pressing a plate; 34. a first limit ring; 35. a first spring; 36. a sliding plate; 37. a rotating shaft; 4. connecting ropes; 5. a second stop collar; 6. a baffle plate; 7. a winding shaft; 8. a limiting plate; 9. a motor; 10. a second spring.

Detailed Description

Example one

As shown in fig. 1 and fig. 3-4, the utility model provides a lost foam positioning tool, which comprises a workbench 2, a plurality of clamping members 3, a connecting rope 4, a plurality of second limiting rings 5, a plurality of second springs 10 and a plurality of reinforcing rods 11; each chucking member 3 includes a slide bar 31, a slide shaft 32, a pressing plate 33, a first stopper ring 34, a first spring 35, a slide plate 36, and a rotating shaft 37.

An installation bin 301 is arranged in the sliding rod 31; the sliding plate 36 is slidably connected with the inner wall of the mounting bin 301, and the sliding plate 36 is connected with the bottom surface of the mounting bin 301 through a first spring 35; the sliding shaft 32 is positioned in the installation bin 301, one end of the sliding shaft 32 is connected with the sliding plate 36, and the other end of the sliding shaft 32 penetrates through the sliding rod 31; the pressing plate 33 is movably connected with one end of the sliding shaft 32 penetrating through the sliding rod 31 through a rotating shaft 37, the pressing plate 33 is connected with the first limiting ring 34, and the pressing plate 33 is an arc-shaped plate, so that the pressing plate 33 is more attached to the outer surface of a workpiece, and the workpiece is more stably clamped; the pressing plate 33 is provided with a rubber pad which directly compresses the surface of the workpiece to protect the workpiece.

A plurality of supporting frames 1 are arranged on the workbench 2; two ends of each reinforcing rod 11 are respectively connected with two support frames 1, and the support frames 1 are reinforced through the reinforcing rods 11, so that the service life of the support frames 1 is prolonged; a plurality of sliding grooves 201 are arranged on the workbench 2 side by side; each sliding rod 31 is connected with the inner wall of each sliding chute 201 through each second spring 10; each chute 201 is a "T" shaped chute; the bottom end of the sliding rod 31 is provided with a T-shaped sliding block; the T-shaped sliding block is matched with and slidably connected with the inner wall of the T-shaped sliding chute; the T-shaped sliding groove and the T-shaped sliding block are matched with each other to achieve a better limiting effect, so that the sliding rod 31 can move more stably, and the practicability of the device is improved.

The plurality of second limiting rings 5 are divided into two groups, and the two groups of second limiting rings 5 are arranged on the workbench 2; one end of the connecting rope 4 is connected with a second limiting ring 5, and the other end of the connecting rope 4 sequentially penetrates through the plurality of second limiting rings 5 and the plurality of first limiting rings 34; and a winding component for winding the other end of the connecting rope 4 is arranged on the workbench 2.

In this embodiment, in use, a user places a workpiece on the table 2; then connect rope 4 by the rolling subassembly and roll up, connect the power that rope 4 was used in on a plurality of first spacing rings 34 and promote a plurality of slide bars 31 and sliding shaft 32 and remove towards the well axial direction of workstation 2, a plurality of sliding shaft 32 are respectively to a plurality of second spring 10 tensile, a plurality of slide bars 31 compress first spring 35 through sliding plate 36, make clamp plate 33 compress tightly the surface of work piece, compress tightly the work piece through a plurality of clamp plate 33, make the device be applicable to the work piece of various different shapes and size, the practicality of device has been improved.

Example two

As shown in fig. 2, compared with the first embodiment, the embodiment of the positioning tool for a lost foam of the present invention further describes in detail the winding assembly mentioned in the first embodiment; the winding component comprises a baffle 6, a winding shaft 7, a limiting plate 8 and a motor 9; the motor 9 is arranged on the workbench 2, and an output shaft of the motor 9 is connected with the limiting plate 8; two ends of the winding shaft 7 are respectively connected with the baffle 6 and the limiting plate 8; the connecting rope 4 is wound on the winding shaft 7; baffle 6, rolling axle 7 and limiting plate 8 are the integrated into one piece structure, and the connection between integrated into one piece's baffle 6, rolling axle 7 and the limiting plate 8 is more firm, is favorable to prolonging baffle 6, rolling axle 7 and limiting plate 8's life.

In this embodiment, during the use, the user starter motor, the motor operation makes rolling axle 7 rotate, connects rope 4 winding on rolling axle 7, strains connecting rope 4, has realized the mechanization of device, and is more firm to the fixed of work piece simultaneously, has improved the practicality of device.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.

Claims (8)

1. The lost foam positioning tool is characterized by comprising a workbench (2), a plurality of clamping pieces (3), a connecting rope (4), a plurality of second limiting rings (5) and a plurality of second springs (10); each clamping piece (3) comprises a sliding rod (31), a sliding shaft (32), a pressing plate (33), a first limiting ring (34), a first spring (35) and a sliding plate (36);

a mounting bin (301) is arranged in the sliding rod (31); the sliding plate (36) is connected with the inner wall of the mounting bin (301) in a sliding manner, and the sliding plate (36) is connected with the bottom surface of the mounting bin (301) through a first spring (35); the sliding shaft (32) is positioned in the installation bin (301), one end of the sliding shaft (32) is connected with the sliding plate (36), and the other end of the sliding shaft (32) penetrates through the sliding rod (31); the pressing plate (33) is movably connected with one end of the sliding shaft (32) which penetrates out of the sliding rod (31), and the pressing plate (33) is connected with the first limiting ring (34);

a plurality of supporting frames (1) are arranged on the workbench (2), and a plurality of sliding chutes (201) are arranged on the workbench (2) side by side; each sliding rod (31) is connected with the inner wall of each sliding chute (201) through each second spring (10);

the plurality of second limiting rings (5) are divided into two groups, and the two groups of second limiting rings (5) are arranged on the workbench (2); one end of the connecting rope (4) is connected with a second limiting ring (5), and the other end of the connecting rope (4) sequentially penetrates through the second limiting rings (5) and the first limiting rings (34); the workbench (2) is provided with a winding component for winding the other end of the connecting rope (4).

2. The lost foam positioning tool according to claim 1, wherein the winding assembly comprises a baffle plate (6), a winding shaft (7), a limiting plate (8) and a motor (9); the motor (9) is arranged on the workbench (2), and an output shaft of the motor (9) is connected with the limiting plate (8); two ends of the winding shaft (7) are respectively connected with the baffle (6) and the limiting plate (8); the connecting rope (4) is wound on the winding shaft (7).

3. The lost foam positioning tool according to claim 2, wherein the baffle (6), the winding shaft (7) and the limiting plate (8) are of an integrally formed structure.

4. The lost foam positioning tool according to claim 1, further comprising a plurality of reinforcing rods (11); two ends of each reinforcing rod (11) are respectively connected with two supporting frames (1).

5. The lost foam positioning tool according to claim 1, wherein each sliding groove (201) is a T-shaped sliding groove; the bottom end of the sliding rod (31) is provided with a T-shaped sliding block; the T-shaped sliding block is matched with and is connected with the inner wall of the T-shaped sliding groove in a sliding manner.

6. A lost foam positioning tooling according to claim 1, wherein the pressure plate (33) is an arc-shaped plate.

7. The lost foam positioning tool according to claim 1, wherein a rubber pad is arranged on the pressing plate (33).

8. A lost foam positioning tool as claimed in claim 1, further comprising a plurality of rotating shafts (37); each rotating shaft (37) is arranged on each pressing plate (33); each pressing plate (33) is movably connected with each sliding shaft (32) through each rotating shaft (37).

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