CN210547920U

CN210547920U - Inner cavity of expendable pattern in middle vehicle lock plate casting and external negative pressure balance sand box

Info

Publication number: CN210547920U
Application number: CN201921169389.7U
Authority: CN
Inventors: 戴根兴
Original assignee: Suqian Shengong Machinery Manufacturing Co Ltd
Current assignee: Suqian Shengong Machinery Manufacturing Co Ltd
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-05-19
Anticipated expiration: 2029-07-24

Abstract

The utility model discloses an disappearance mould inner chamber and the balanced sand box of outside negative pressure degree in well car jam plate foundry goods, including base, sand box body, sprue gate, lift by crane structure and main tank body, the central point department of putting on base top is equipped with the main tank body, and the inside of main tank body is equipped with elevation structure to all be equipped with two sets of structures of lifting by crane on two lateral walls at main tank body top, the top of main tank body is equipped with the sand box body, and the top of sand box body installs the sand box lid, and the central point department of putting on sand box lid top is equipped with the sprue gate, be equipped with two sets of lower plates on the outer wall of sand box body one side, and all be equipped with the punch holder on the sand box lid outer wall of lower plate top, and the inside central point department of putting of punch holder. The utility model discloses the phenomenon that spills over appears in pouring liquid when not only having avoided the sand box to use, the convenience when having improved the sand box and using has reduced staff's intensity of labour when the sand box uses moreover.

Description

Inner cavity of expendable pattern in middle vehicle lock plate casting and external negative pressure balance sand box

Technical Field

The utility model relates to a machinery casting technical field specifically is the balanced sand box of disappearance mould inner chamber and outside negative pressure degree in well car jam plate foundry goods.

Background

The lost foam casting is that foam modules with the same size and shape as or similar to a casting are bonded and combined into a pattern cluster, the pattern cluster is coated with refractory paint and dried, and then is buried in dry quartz sand for vibration molding, and the bottom or the side of the pattern cluster is poured under the negative pressure suction action of a negative pressure source, so that a corresponding sand box is needed.

The sand box on the market is various at present, but the functionality is comparatively single, still has certain problem, can't satisfy people's demand gradually, and concrete problem has following several:

(1) the traditional sand box is inconvenient for adjusting the distance between the sand box body and the base, and an external pouring piece is difficult to extend into the pouring port, so that the phenomenon of overflow is easy to occur;

(2) the traditional sand box is inconvenient to hoist, and can be hoisted by means of external instruments, so that the sand box is very inconvenient;

(3) traditional such sand box is difficult to fix a position the sand box lid, need be handled its location by staff's manual operation, has strengthened staff's intensity of labour.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an disappearance mould inner chamber and the balanced sand box of outside negative pressure degree in the well car jam plate foundry goods to propose the sand box among the solution above-mentioned background art and be not convenient for adjust the interval between sand box body and the base, be not convenient for lift by crane and be difficult to carry out the problem of fixing a position to the sand box lid.

In order to achieve the above object, the utility model provides a following technical scheme: the sand box comprises a base, a sand box body, a pouring gate, a lifting structure and a main box body, wherein the main box body is arranged at the central position of the top end of the base, the lifting structure is arranged inside the main box body, two groups of lifting structures are arranged on two outer side walls of the top of the main box body, the sand box body is arranged above the main box body, a sand box cover body is arranged at the top end of the sand box body, and the pouring gate is arranged at the central position of the top end of the sand box cover body.

Preferably, be equipped with two sets of lower plates on the outer wall of sand box body one side, and all be equipped with the punch holder on the sand box lid outer wall of lower plate top to punch holder and the inside central point department of putting of lower plate all are equipped with the taper pin, and the top of punch holder is equipped with the round pin axle, and the bottom of round pin axle runs through the taper pin and extends to the bottom of lower plate.

Preferably, the sand box body is provided with a positioning plate on the outer wall of one side far away from the pin shaft, the sand box cover body is provided with a positioning rod on the outer wall of one side far away from the taper pin, one end of the surface of the positioning rod is provided with a fastening bolt, and one end of the fastening bolt penetrates through the positioning rod and is in threaded connection with the surface of the positioning plate.

Preferably, the lifting structure is equipped with connecting block, thread groove, screwed joint and lug from a left side to the right side in proper order, all be equipped with two sets of connecting blocks on two lateral walls at main tank body top, and be equipped with the thread groove on the outer wall of connecting block one side to the internal thread of thread groove is connected with screwed joint, and screwed joint's one end extends to the outside of thread groove, and screwed joint's one end is fixed with the lug.

Preferably, elevation structure is from last to being equipped with support frame, interlock board, armlet, threaded rod, hand wheel and screw cap down in proper order, it has the threaded rod to articulate on the inner wall of main tank body one side, and the both sides on threaded rod surface all threaded connection have the screw cap, and one side of main tank body is equipped with the hand wheel, the one end of hand wheel extend to the inside of main tank body and with the one end fixed connection of threaded rod.

Preferably, the main tank body top of threaded rod top is equipped with the interlock board, and the central point department on interlock board top puts and is equipped with the support frame, the top of support frame extend to the outside of main tank body and with the bottom fixed connection of sand box body to the both ends of interlock board all articulate there is the cover arm, the bottom of cover arm and the top fixed connection of screw cap.

Compared with the prior art, the beneficial effects of the utility model are that: according to the middle vehicle lock plate casting, the inner cavity of the lost foam and the external negative pressure balance sand box avoid the phenomenon that pouring liquid overflows when the sand box is used, the convenience of the sand box in use is improved, and the labor intensity of workers when the sand box is used is reduced;

(1) the supporting frame, the linkage plate, the sleeve arm, the threaded rod, the hand wheel and the threaded cap are arranged, the hand wheel is rotated to drive the threaded rod to rotate, the threaded cap can translate towards the inner side on the surface of the threaded rod, the sleeve arm drives the linkage plate to ascend, the supporting frame drives the sand box body to ascend synchronously, so that the distance between the sand box body and the base is adjusted, the external casting piece extends into the pouring port, and the phenomenon that casting liquid overflows when the sand box is used is avoided;

(2) the connecting block, the thread groove, the threaded joint and the lifting lug are arranged, the lifting lug is rotated to enable the threaded joint to be screwed into the thread groove, and the lifting lug is fixedly arranged on the outer wall of the connecting block, so that the lifting operation is convenient, and the convenience of the sand box in use is improved;

(3) through being provided with round pin axle, taper pin, punch holder, lower plate, locating lever, tight set bolt and locating plate, through inserting the round pin axle to the inside of taper pin, make punch holder and lower plate closely laminate, rotatory tight set bolt of rethread makes it run through the locating lever and with locating plate threaded connection, with locating lever and locating plate fixed connection together to carry out location processing to the sand box lid, thereby staff's intensity of labour when having reduced the sand box and using.

Drawings

FIG. 1 is a schematic view of the appearance structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the cross-sectional enlarged structure of the lifting structure of the present invention;

fig. 4 is the sectional view of the lifting structure of the present invention.

In the figure: 1. a base; 2. a flask body; 3. a cover body of the sand box; 4. a pouring gate; 5. positioning a rod; 6. tightening the bolt; 7. a hoisting structure; 701. connecting blocks; 702. a thread groove; 703. a threaded joint; 704. lifting lugs; 8. a lifting structure; 801. a support frame; 802. a linkage plate; 803. a sleeve arm; 804. a threaded rod; 805. a hand wheel; 806. a threaded cap; 9. positioning a plate; 10. a main box body; 11. a pin shaft; 12. a tapered pin; 13. an upper splint; 14. and (5) a lower splint.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1-4, the present invention provides an embodiment: the sand box with the negative pressure balance between the inner cavity of the lost foam in the middle vehicle lock plate casting and the outside comprises a base 1, a sand box body 2, a pouring gate 4, a lifting structure 7 and a main box body 10, wherein the main box body 10 is arranged at the central position of the top end of the base 1, a lifting structure 8 is arranged inside the main box body 10, the lifting structure 8 is sequentially provided with a support frame 801, a linkage plate 802, a sleeve arm 803, a threaded rod 804, a hand wheel 805 and a threaded cap 806 from top to bottom, the threaded rod 804 is hinged on the inner wall of one side of the main box body 10, the threaded cap 806 is in threaded connection with both sides of the surface of the threaded rod 804, the hand wheel 805 is arranged on one side of the main box body 10, one end of the hand wheel 805 extends into the main box body 10 and is fixedly connected with one end of the threaded rod 804, the linkage plate 802 is arranged at the top of the main box body 10 above the threaded rod 804, the support frame 801 is arranged at, two ends of the linkage plate 802 are hinged with sleeve arms 803, and the bottom ends of the sleeve arms 803 are fixedly connected with the top ends of the threaded caps 806;

the hand wheel 805 is rotated to drive the threaded rod 804 to rotate, the threaded cap 806 translates inwards on the surface of the threaded rod 804, the sleeve arm 803 drives the linkage plate 802 to ascend, and the support frame 801 drives the sand box body 2 to ascend synchronously, so that the distance between the sand box body 2 and the base 1 is adjusted, an external pouring piece extends into the pouring port 4, and the phenomenon of overflowing of pouring liquid is avoided;

two groups of lifting structures 7 are arranged on two outer side walls of the top of the main box body 10, the lifting structures 7 are sequentially provided with connecting blocks 701, threaded grooves 702, threaded joints 703 and lifting lugs 704 from left to right, the two outer side walls of the top of the main box body 10 are provided with the two groups of connecting blocks 701, the outer wall of one side of each connecting block 701 is provided with the threaded groove 702, the internal threads of the threaded groove 702 are connected with the threaded joints 703, one end of each threaded joint 703 extends to the outside of the corresponding threaded groove 702, and one end of each threaded joint 703 is fixed with the lifting lug 704;

the threaded joint 703 is screwed into the threaded groove 702 by rotating the lifting lug 704, and the lifting lug 704 is fixedly arranged on the outer wall of the connecting block 701 so as to facilitate the lifting operation;

a sand box body 2 is arranged above a main box body 10, two groups of lower clamping plates 14 are arranged on the outer wall of one side of the sand box body 2, an upper clamping plate 13 is arranged on the outer wall of a sand box cover body 3 above the lower clamping plates 14, tapered pins 12 are arranged at the central positions inside the upper clamping plates 13 and the lower clamping plates 14, pin shafts 11 are arranged at the tops of the upper clamping plates 13, the bottom ends of the pin shafts 11 penetrate through the tapered pins 12 and extend to the bottoms of the lower clamping plates 14, a positioning plate 9 is arranged on the outer wall of one side, away from the pin shafts 11, of the sand box body 2, a positioning rod 5 is arranged on the outer wall of one side, away from the tapered pins 12, of the sand box cover body 3, a fastening bolt 6 is arranged at one end of the surface of the positioning rod 5, one end;

and the top end of the sand box body 2 is provided with a sand box cover body 3, and the center position of the top end of the sand box cover body 3 is provided with a pouring port 4.

The working principle is as follows: when the sand box is used, firstly, the pin shaft 11 is inserted into the tapered pin 12 to enable the upper clamping plate 13 and the lower clamping plate 14 to be tightly attached, then the fastening bolt 6 is rotated to enable the fastening bolt to penetrate through the positioning rod 5 and be in threaded connection with the positioning plate 9, the positioning rod 5 and the positioning plate 9 are fixedly connected together so as to facilitate the positioning treatment of the sand box cover body 3 and reduce the labor intensity of workers, then the hand wheel 805 is rotated to drive the threaded rod 804 to rotate, the threaded cap 806 can translate inwards on the surface of the threaded rod 804, the sleeve arm 803 drives the linkage plate 802 to ascend, the supporting frame 801 drives the sand box body 2 to ascend synchronously so as to facilitate the adjustment of the distance between the sand box body 2 and the base 1, an external casting piece extends into the casting port 4 to avoid the phenomenon of overflowing of casting liquid, and finally, the lifting lug 704 is rotated to enable the threaded joint 703 to be screwed into the threaded groove 702, the lifting lugs 704 are fixedly arranged on the outer wall of the connecting block 701, so that the lifting operation is convenient, and the use of the sand box is completed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Disappearance mould inner chamber and the balanced sand box of outside negative pressure degree in well car jam plate foundry goods, including base (1), sand box body (2), sprue gate (4), lift by crane structure (7) and main tank body (10), its characterized in that: the sand box is characterized in that a main box body (10) is arranged at the center of the top end of the base (1), a lifting structure (8) is arranged inside the main box body (10), two groups of lifting structures (7) are arranged on two outer side walls of the top of the main box body (10), a sand box body (2) is arranged above the main box body (10), a sand box cover body (3) is installed at the top end of the sand box body (2), and a pouring gate (4) is arranged at the center of the top end of the sand box cover body (3).

2. The internal cavity of the disappearance mould and the balanced sand box of external negative pressure in the middle car lock plate casting of claim 1, characterized by: the sand box comprises a sand box body (2), and is characterized in that two groups of lower clamping plates (14) are arranged on the outer wall of one side of the sand box body (2), upper clamping plates (13) are arranged on the outer wall of a sand box cover body (3) above the lower clamping plates (14), conical pins (12) are arranged at the center positions of the inner portions of the upper clamping plates (13) and the lower clamping plates (14), pin shafts (11) are arranged at the tops of the upper clamping plates (13), and the bottom ends of the pin shafts (11) penetrate through the conical pins (12) and extend to the bottoms of the lower clamping.

3. The internal cavity of the disappearance mould and the balanced sand box of external negative pressure in the middle car lock plate casting of claim 2, characterized in that: the sand box is characterized in that a positioning plate (9) is arranged on the outer wall of one side, away from the pin shaft (11), of the sand box body (2), a positioning rod (5) is arranged on the outer wall of one side, away from the taper pin (12), of the sand box cover body (3), a fastening bolt (6) is arranged at one end of the surface of the positioning rod (5), and one end of the fastening bolt (6) penetrates through the positioning rod (5) and is in threaded connection with the surface of the positioning plate (9).

4. The internal cavity of the disappearance mould and the balanced sand box of external negative pressure in the middle car lock plate casting of claim 1, characterized by: the lifting structure (7) is provided with connecting blocks (701), threaded grooves (702), threaded connectors (703) and lifting lugs (704) from left to right in sequence, two outer side walls of the top of the main box body (10) are provided with two sets of connecting blocks (701), the outer wall of one side of each connecting block (701) is provided with the threaded grooves (702), the inner threads of the threaded grooves (702) are connected with the threaded connectors (703), one ends of the threaded connectors (703) extend to the outer portions of the threaded grooves (702), and one ends of the threaded connectors (703) are fixed with the lifting lugs (704).

5. The internal cavity of the disappearance mould and the balanced sand box of external negative pressure in the middle car lock plate casting of claim 1, characterized by: lifting structure (8) are from last to being equipped with support frame (801), interlock board (802), cover arm (803), threaded rod (804), hand wheel (805) and screw cap (806) down in proper order, it has threaded rod (804) to articulate on the inner wall of main tank body (10) one side, and threaded rod (804) surface both sides threaded connection have screw cap (806), and one side of main tank body (10) is equipped with hand wheel (805), the one end of hand wheel (805) extend to the inside of main tank body (10) and with the one end fixed connection of threaded rod (804).

6. The internal cavity of the disappearance mould and the balanced sand box of external negative pressure in the middle car lock plate casting of claim 5, characterized by: the sand box comprises a main box body (10) and a threaded rod (804), wherein a linkage plate (802) is arranged at the top of the main box body (10) above the threaded rod (804), a supporting frame (801) is arranged at the center of the top end of the linkage plate (802), the top end of the supporting frame (801) extends to the outside of the main box body (10) and is fixedly connected with the bottom end of a sand box body (2), sleeve arms (803) are hinged to two ends of the linkage plate (802), and the bottom ends of the sleeve arms (803) are fixedly connected with the top end of a threaded cap (806).