CN212734073U

CN212734073U - Sand casting mould assembling guide device

Info

Publication number: CN212734073U
Application number: CN202021422630.5U
Authority: CN
Inventors: 刘庆坤; 李烨飞; 刘宪民; 陈蕴博; 周长猛; 巩传海; 贾鹏
Original assignee: Shandong Huifeng Casting Technology Co ltd
Current assignee: Shandong Huifeng Casting Technology Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-03-19
Anticipated expiration: 2030-07-17

Abstract

The utility model relates to a sand casting mould assembling guide device, which comprises a lower box and an upper box, wherein the top surface of the lower box is connected with a mould assembling pin, and the bottom surface of the upper box is provided with a positioning hole corresponding to the mould assembling pin; the top surface of the lower box is provided with a lower section mould, the bottom surface of the upper box is provided with an upper section mould corresponding to the lower section mould, one side of the lower box is provided with a V-21274II-shaped guide plate, the inner side surface of the guide plate is tightly attached to any three outer side surfaces of the lower box, two opposite surfaces or one of the two opposite surfaces of the guide plate are provided with jackscrew holes, jackscrews are connected to the jackscrew holes in a threaded fit mode, and the height of the guide plate is higher than that of the lower box. The precision that the mould assembling was guaranteed to this device, and stable durable, effectively avoids appearing the sand mould dislocation and leads to the foundry goods wrong case to scrap.

Description

Sand casting mould assembling guide device

Technical Field

The utility model relates to a casting equipment technical field specifically is a sand casting mould assembling guider.

Background

Sand casting is a casting method for producing castings in sand molds, and because the molding materials used for sand casting are cheap and easy to obtain, the casting mold is simple and convenient to manufacture, and can adapt to single-piece production, batch production and mass production of castings, the sand casting is a basic process in casting production for a long time.

In the prior art, a box closing pin is generally arranged on a lower box, a positioning hole corresponding to the box closing pin is arranged on an upper box, and the box closing pin and the positioning hole are matched to realize accurate positioning of the box closing. The mould assembling method is simple and easy to operate, but because the positioning holes and the mould assembling pins are made of the sand moulds, the abrasion of the positioning holes and the mould assembling pins is particularly easy to cause in the operation process due to the shaking, alignment error and the like of the sand moulds, so that the dislocation of the sand moulds is caused, and finally the defect of casting misbox is formed.

Disclosure of Invention

For overcoming the above-mentioned problem that exists among the prior art, the utility model provides a sand casting mould assembling guider can guarantee the precision of mould assembling, and stable durable, effectively avoids appearing the sand mould dislocation and leads to the foundry goods wrong case to be scrapped.

The utility model discloses a realize through following technical scheme:

a sand casting mould assembling guide device comprises a lower box and an upper box, wherein a mould assembling pin is connected to the top surface of the lower box, and a positioning hole corresponding to the mould assembling pin is formed in the bottom surface of the upper box; the top surface of the lower box is provided with a lower section mould, the bottom surface of the upper box is provided with an upper section mould corresponding to the lower section mould, one side of the lower box is provided with a V-21274II-shaped guide plate, the inner side surface of the guide plate is tightly attached to any three outer side surfaces of the lower box, two opposite surfaces or one of the two opposite surfaces of the guide plate are provided with jackscrew holes, jackscrews are connected to the jackscrew holes in a threaded fit mode, and the height of the guide plate is higher than that of the lower box.

Preferably, countersunk threaded holes are formed in the oblique diagonal positions of the top surface of the lower box, positioning guide pins are connected with the countersunk threaded holes in a matched mode, and pin holes corresponding to the countersunk threaded holes are formed in the bottom surface of the upper box.

Preferably, the positioning guide pin is connected with a positioning boss, and the outer diameter of the positioning boss is the same as the inner diameter of a countersunk head of the countersunk head threaded hole and is in clearance fit with the countersunk head threaded hole.

Preferably, the pin hole is provided with a pin hole round angle.

Preferably, the top of the guide plate is connected with an upper guide plate with a trumpet-shaped opening.

Preferably, the front side of the guide plate is connected with a side guide plate with a flared opening.

Preferably, the head of the jackscrew is connected with a rubber antiskid block.

Preferably, the bottom of the guide plate is connected with wheels.

The utility model has the advantages that:

1. one side of the lower box is provided with a V-21274that clings to three outer side surfaces of the lower box, and a guide plate in a shape is arranged on one side of the lower box.

2. The countersunk threaded holes are formed in the oblique diagonal positions of the top surface of the lower box, the positioning guide pins are connected with the countersunk threaded holes in a matched mode, the pin holes corresponding to the countersunk threaded holes are formed in the bottom surface of the upper box, the accurate performance of box closing can be further guaranteed through the matching of the positioning guide pins and the pin holes, and sand mould dislocation cannot be guaranteed when the guide plates are worn to cause that the lower box cannot be tightly attached or the lower box is tightly attached.

3. The positioning guide pin is connected with a positioning boss, the outer diameter of the positioning boss is the same as the inner diameter of a countersunk head of the countersunk head threaded hole and is in clearance fit with the countersunk head inner diameter of the countersunk head threaded hole, the bottom surface of the positioning boss is limited by the countersunk head top surface of the countersunk head threaded hole, and the height of the top of the positioning guide pin and the height of the top surface of a lower box are ensured, so that the upper box cannot be attached to the lower box due to the fact that the height is too high and is higher.

4. The pin hole is provided with a pin hole round corner which plays a role in guiding the positioning guide pin to penetrate into the pin hole.

5. The top of the guide plate is connected with an upper guide plate with a horn-shaped opening, the upper guide plate can conveniently guide the upper box into the v-21274of the guide plate, so that an operator does not need to difficultly align the side surface of the upper box with the inner side surface of the v-21274, and time and labor are saved.

6. The front side of the guide plate is connected with the side guide plate with the horn-shaped opening, so that an operator can conveniently insert the guide plate into the two sides of the lower box without strenuous fitting, the inner side surface of the guide plate is aligned with the two outer side surfaces of the lower box, and the operation is time-saving and labor-saving.

7. The head of jackscrew is connected with the rubber non slipping spur, prevents to damage lower case lateral surface when the jackscrew top is gone into, provides bigger frictional force simultaneously, when avoiding last case to slide down along the deflector, the component force that produces makes the deflector produce the removal.

8. The bottom of deflector is connected with the wheel, and the wheel is the universal wheel for the slip on deflector and ground becomes the roll, and is more convenient during the removal.

Drawings

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

Fig. 1 is a front view of the present invention.

Fig. 2 is a cross-sectional view taken at a-a in fig. 1.

Fig. 3 is a schematic side view of the present invention.

Fig. 4 is a schematic perspective view of the present invention.

Fig. 5 is a schematic view of the upper box structure of the present invention.

Fig. 6 is a schematic view of the lower box structure of the present invention.

Fig. 7 is a schematic diagram of a guide plate structure of the present invention.

In the figure, 1-lower box, 11-box closing pin, 12-countersunk threaded hole, 13-lower section mould, 2-upper box, 21-positioning hole, 22-pin hole, 221-pin hole fillet, 23-upper section mould, 3-guide plate, 31-upper guide plate, 32-side guide plate, 33-jackscrew hole, 34-jackscrew, 35-wheel, 4-positioning guide pin and 41-positioning boss.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention will be further described with reference to the accompanying drawings.

The utility model relates to a sand casting mould assembling guider, including nowel 1 and last case 2, be connected with mould assembling pin 11 on the 1 top surface of nowel, set up the locating hole 21 corresponding to mould assembling pin 11 on the bottom surface of going up case 2, as shown in fig. 5, 6, because locating hole 21, mould assembling pin 11 all are made with the sand mould, because of rocking of sand mould, all arouse locating hole 21, the wearing and tearing of mould assembling pin 11 very easily to adjust error etc. in operation process, consequently do not generally use as the location direction in the actual work. The top surface of the lower box 1 is provided with a lower section mould 13, the bottom surface of the upper box 2 is provided with an upper section mould 23 corresponding to the lower section mould 13, after the upper box 1 and the lower box 2 are matched, molten iron is injected into a space formed by the upper section mould 23 of the lower section mould 13, and after cooling, a casting is formed, wherein the casting in the embodiment is a winding drum.

One side of the lower box 1 is provided with a \ 21274;, the inner side surface of the guide plate 3 is tightly attached to three outer side surfaces of the lower box 1, two opposite surfaces or one of the two opposite surfaces of the guide plate 3 are provided with jackscrew holes 33, in the embodiment, the two surfaces are provided with jackscrew holes, the jackscrew holes 33 are in threaded fit connection with jackscrews 34, and after the inner side surface of the guide plate 3 is tightly attached to the three outer side surfaces of the lower box 1, the guide plate 3 is fixed on the lower box 1 by screwing the jackscrews 34. The height of the guide plate 3 is higher than that of the lower box 1, so that the upper box 2 is tightly attached to the inner side surface of the guide plate 3 and then slides down to be matched with the lower box 1 to complete box closing.

The inclined diagonal position of the top surface of the lower box 1 is provided with a countersunk threaded hole 12, as shown in fig. 6, the countersunk threaded hole 12 is connected with a positioning guide pin 4 in a threaded fit manner, and the bottom surface of the upper box 2 is provided with a pin hole 22 corresponding to the position of the countersunk threaded hole 12. The precision of the mold closing can be further guaranteed through the matching of the positioning guide pin 4 and the pin hole 22, the guide plate 3 cannot be completely attached to a lower box or cannot be attached to a deflection due to abrasion, sand mold dislocation is guaranteed not to occur, casting scrapping is further caused, the positioning guide pin 4 and the guide plate 3 are mutually double-insurance, and the deflection of the mold closing is guaranteed not to occur.

The positioning guide pin 4 is connected with a positioning boss 41, as shown in fig. 6, the outer diameter of the positioning boss 41 is the same as the countersunk inner diameter of the countersunk threaded hole 12, and the outer diameter is in clearance fit with the countersunk inner diameter. The lower end thread of the positioning guide pin 4 is screwed into the countersunk head threaded hole 12 until the bottom of the positioning boss 41 is blocked by the bottom of the countersunk head, the positioning boss 41 plays a role in limiting, and the top of the positioning guide pin 4 and the top surface of the lower box 1 are guaranteed to be fixed so as to prevent the upper box from being attached to the lower box due to the fact that the height is too high to be higher than the depth of the pin hole 22.

The pin hole 22 is provided with a pin hole fillet 221, and the pin hole fillet 221 plays a role in guiding the positioning guide pin 4 to penetrate into the pin hole 22.

The top of the guide plate 3 is connected with an upper guide plate 31 with a trumpet-shaped opening, as shown in fig. 4 and 7, the upper guide plate 31 can conveniently guide the upper box 2 into the v-21274of the guide plate 3, so that an operator does not need to take effort to align the outer side surface of the upper box 2 with the v-21274, the inner side surface of the guide plate 3 is aligned and then is carried by a crane to be downwards placed, and time and labor are saved.

The front side of the guide plate 3 is connected with a side guide plate 32 with a horn-shaped opening, as shown in fig. 4 and 7, the side guide plate 32 is convenient for an operator to insert the guide plate 3 into the two sides of the lower box to play a guiding role, the guide plate can be automatically aligned when pushed inwards, the inner side of the guide plate 3 is aligned with the two outer sides of the lower box 1 without taking effort, and the operation is time-saving and labor-saving.

The head of jackscrew 34 is connected with the rubber non slipping spur, prevents to damage the lateral surface of lower case 1 when jackscrew 34 pushes up, provides bigger frictional force simultaneously, avoids last case 2 when sliding down along the deflector, and the component force that produces makes deflector 3 outwards remove.

The working process is as follows: inserting the guide plate 3 into the outer side of the lower box 1, ensuring that three inner side surfaces of the guide plate 3 are attached to three outer side surfaces of the lower box 1, and then screwing down the jackscrew 34; the upper box 2 is hung by a travelling crane and is lowered along the inner side surface of the guide plate 3, the corresponding surfaces of the upper box 2 and the lower box 1 are ensured to be tightly attached to the three inner side surfaces of the guide plate 3, and meanwhile, whether the guide pin 4 of the lower box is accurately inserted into the pin hole 22 of the upper box 2 is observed; if above-mentioned step all has no problem, directly perpendicularly downwards go up case 2 can, until the top surface laminating of last case 2 with lower box 1, the dislocation of closing the case can not appear this moment.

In the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "vertical", "horizontal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of describing the present invention, but do not require the present invention to be constructed or operated in a specific orientation, and therefore, cannot be construed as limiting the present invention. The terms "connected" and "connected" in the present invention are to be understood in a broad sense, and may be connected or detachably connected, for example; the terms may be directly connected or indirectly connected through intermediate components, and specific meanings of the terms may be understood as specific conditions by those skilled in the art.

The foregoing is a preferred embodiment of the present invention, and the description of the specific embodiments is only for better understanding of the idea of the present invention. To those skilled in the art, many modifications and equivalents may be made in accordance with the principles of the present invention and are deemed to fall within the scope of the invention.

Claims

1. A sand casting mould assembling guide device comprises a lower box (1) and an upper box (2), wherein a mould assembling pin (11) is connected to the top surface of the lower box (1), and a positioning hole (21) corresponding to the mould assembling pin (11) is formed in the bottom surface of the upper box (2); lower section mould (13) have been seted up on lower box (1) top surface, go up upper die (23) that corresponding to lower section mould (13) have been seted up to case (2) bottom surface, its characterized in that: one side of the lower box (1) is provided with a 21274; a shaped guide plate (3), the inner side surface of the guide plate (3) is tightly attached to three outer side surfaces of the lower box (1), two opposite surfaces or one of the two opposite surfaces in the guide plate (3) are provided with jackscrew holes (33), jackscrews (34) are connected to the jackscrew holes (33) in a threaded fit manner, and the height of the guide plate (3) is higher than that of the lower box (1).

2. A sand casting mold assembling guide device according to claim 1, wherein: the top surface of the lower box (1) is provided with a countersunk threaded hole (12) at an oblique diagonal position, the countersunk threaded hole (12) is connected with a positioning guide pin (4) in a matching way, and the bottom surface of the upper box (2) is provided with a pin hole (22) corresponding to the position of the countersunk threaded hole (12).

3. A sand casting mould assembling guide device according to claim 2, wherein: the positioning guide pin (4) is connected with a positioning boss (41), and the outer diameter of the positioning boss (41) is the same as the inner diameter of a countersunk head of the countersunk head threaded hole (12) in clearance fit.

4. A sand casting mould assembling guide device according to claim 3, wherein: the pin hole (22) is provided with a pin hole round corner (221).

5. A sand casting mould assembling guide device according to any one of the claims 1 to 4, characterized in that: the top of the guide plate (3) is connected with an upper guide plate (31) with a horn-shaped opening.

6. A sand casting mould assembling guide device according to claim 5, wherein: the front side of the guide plate (3) is connected with a side guide plate (32) with a horn-shaped opening.

7. A sand casting mould assembling guide device according to claim 6, wherein: the head of the jackscrew (34) is connected with a rubber antiskid block.

8. A sand casting mould assembling guide device according to claim 7, wherein: the bottom of the guide plate (3) is connected with wheels (35).