CN218555487U

CN218555487U - Sand casting mould

Info

Publication number: CN218555487U
Application number: CN202222996365.7U
Authority: CN
Inventors: 王浩; 孙朝业; 汪德坤; 涂依毅; 苏宇明
Original assignee: Zhengzhou University
Current assignee: Zhengzhou University
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-03-03
Anticipated expiration: 2032-11-10

Abstract

The utility model discloses a sand casting mould, including being used for the bearing and upwards lifting the base device that the drawing of patterns was accomplished to the sand mould, the base device top is provided with the base station device that is used for bearing location and recirculated cooling liquid, base station device bottom is provided with the transfer device that is used for providing translation power and accomplishes the plug installation, base station device top is provided with the die body device that is used for carrying out the compound die casting and splices formation coolant liquid runner. The sand casting mold of the utility model has the advantages that through the design that the upper mold body and the lower mold body are combined to form a flow channel, the cooling liquid can circularly absorb heat around the poured workpiece, and the rapid cooling is facilitated; through the design that the sealing frame is inserted into the upper runner, the effect of preventing the cooling liquid from leaking can be achieved, the upper die body can be positioned, and the die assembly is more accurate; the design that the sand mold ascends is pushed by the push plate after pouring, so that the rapid demolding is facilitated, and meanwhile, the mold body is cleaned due to the fact that the push plate scrapes the inner wall of the mold body.

Description

Sand casting mould

Technical Field

The utility model belongs to sand casting field especially relates to a sand casting mould.

Background

The sand mold is a common mold mode, is also a mold mode which is most widely applied, has the advantages of low cost, low difficulty, mature technology and the like, has an ancient history in China, is also a large-batch user of a sand mold production mode in China, is divided into manual, mechanical, semi-mechanical and other processing modes, and is very flexible and changeable in operation method.

Compared with the Chinese patent with the application number of CN202122367380.0, the invention discloses a sand casting mold, which comprises: the mold comprises a lower mold body and an upper mold body, wherein the upper mold body is arranged at the top of the lower mold body, mold cavities are arranged in the upper mold body and the lower mold body, a locking structure is arranged between the lower mold body and the upper mold body, support columns are arranged on the left side and the right side of the lower mold body, and mold opening structures are arranged on the support columns; the locking structure comprises: the locking mechanism comprises a pair of guide grooves, a pair of guide rods, a first motor, a gear, a pair of guide rails, a pair of racks, a pair of locking rods and a pair of locking grooves; the pair of guide grooves are formed in the left inner wall and the right inner wall of the lower die body, the pair of guide rods are arranged below the top of the upper die body and inserted into the pair of guide grooves, the first motor is arranged inside the lower die body, the gear is arranged at the output end of the first motor, the pair of guide rails are arranged at the upper end and the lower end of the inside of the lower die body, and the pair of racks are respectively connected onto the pair of guide rails in a sliding mode.

The disadvantages of the above patents are: the design of a cooling runner or other cooling devices is not adopted, the casting piece can be taken out only by waiting for a long time after the casting, and the time required by processing is long.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sand casting mould to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a sand casting mold comprises a base device for bearing and upwards pushing and lifting a sand mold to complete demolding, wherein a base station device for bearing, positioning and circulating cooling liquid is arranged at the top of the base device, a transfer device for providing translation power to complete plugging and pulling installation is arranged at the bottom of the base station device, and a mold body device for performing mold closing casting and splicing to form a cooling liquid flow channel is arranged at the top of the base station device; the base device comprises a bearing frame, two hydraulic cylinders are symmetrically arranged in the middle of the bearing frame, and push plates are arranged on the hydraulic cylinders; the die body device comprises a lower die body, four positioning frames are uniformly and fixedly arranged at four corners of the lower die body, a lower runner is arranged at the top of the lower die body, a sealing frame is fixedly arranged on the lower die body, an upper die body is arranged above the lower die body, and an upper runner is arranged at the bottom of the upper die body.

Further: the base station device comprises a processing table, four positioning columns are uniformly and fixedly arranged at four corners of the upper surface of the processing table, a cooling tank is arranged in front of the processing table, a circulating pump is arranged on one side of the cooling tank, corrugated pipes are arranged at the back of the circulating pump and the cooling tank, and a connector is arranged at the rear end of each corrugated pipe.

Further: the transfer device comprises a support, a lead screw is arranged at the bottom of the support in a rotating mode, a motor is installed at the front end of the lead screw, a feed bar is arranged above the lead screw, and a moving frame is arranged between the lead screw and the feed bar.

Further: the positioning column is made of Q235 steel materials, and the positioning column is welded with the machining table.

Further: the movable frame is T-shaped and is connected with the base station device through bolts.

Further, the method comprises the following steps: the sealing frame is connected with the upper die body in a plugging and pulling mode.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the design of forming a flow channel by combining the upper die body and the lower die body can lead cooling liquid to circularly absorb heat around a poured workpiece, thereby being convenient for rapid cooling;

2. through the design that the sealing frame is inserted into the upper runner, the effect of preventing the cooling liquid from leaking can be achieved, the upper die body can be positioned, and the die assembly is more accurate;

3. the design that the sand mold ascends is pushed by the push plate after pouring, so that the rapid demolding is facilitated, and meanwhile, the mold body is cleaned due to the fact that the push plate scrapes the inner wall of the mold body.

Drawings

Fig. 1 is a schematic structural diagram of a sand casting mold according to the present invention;

fig. 2 is a schematic structural diagram of a base device of a sand casting mold according to the present invention;

fig. 3 is a schematic structural diagram of a base station device of a sand casting mold according to the present invention;

fig. 4 is a schematic structural view of a transfer device of a sand casting mold according to the present invention;

fig. 5 is a schematic structural view of the top of a mold body device of a sand casting mold according to the present invention;

fig. 6 is a schematic structural diagram of the bottom of a mold body device of a sand casting mold according to the present invention.

In the reference symbols: 1. a base unit; 101. a bearing frame; 102. a hydraulic cylinder; 103. pushing the plate; 2. a base station device; 201. a processing table; 202. a positioning column; 203. a cooling tank; 204. a circulation pump; 205. a bellows; 206. a connector; 3. a transfer device; 301. a support; 302. a lead screw; 303. a motor; 304. a polished rod; 305. a movable frame; 4. a mold body device; 401. a lower die body; 402. a positioning frame; 403. a lower runner; 404. a sealing frame; 405. feeding a mold body; 406. and an upper flow passage.

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. 1-6, a sand casting mold comprises a base device 1 for supporting and lifting a sand mold upwards to complete demolding, a base device 2 for supporting, positioning and circulating cooling liquid is arranged at the top of the base device 1, a transfer device 3 for providing translational power to complete plugging and pulling installation is arranged at the bottom of the base device 2, and a mold body device 4 for performing mold closing casting and splicing to form a cooling liquid flow channel is arranged at the top of the base device 2.

In this embodiment: the base device 1 comprises a bearing frame 101, two hydraulic cylinders 102 are symmetrically arranged in the middle of the bearing frame 101, a push plate 103 is arranged on each hydraulic cylinder 102, a moving frame 305 drives a connector 206 to return after cooling is finished, the bearing frame 101 supports the hydraulic cylinders 102 to push the push plates 103 upwards, the push plates 103 push the sand mold out of an upper mold body 405 to finish demolding, and the push plates 103 scrape the inner walls of a lower mold body 401 and the upper mold body 405 in the process of pushing out the sand mold to finish a cleaning process;

in this embodiment: the base station device 2 comprises a processing table 201, four positioning columns 202 are uniformly and fixedly arranged at four corners of the upper surface of the processing table 201, a cooling tank 203 is arranged in front of the processing table 201, a circulating pump 204 is arranged on one side of the cooling tank 203, corrugated pipes 205 are arranged behind the circulating pump 204 and the cooling tank 203, a connector 206 is arranged at the rear end of each corrugated pipe 205, the positioning columns 202 are made of Q235 steel materials, the positioning columns 202 and the processing table 201 are welded together, after casting, the processing table 201 supports the circulating pump 204 to drive cooling liquid to flow into a cavity formed by a lower runner 403 and an upper runner 406 through the corrugated pipes 205, heat generated by casting is absorbed, cooling of a casting is accelerated, the cooling liquid absorbing the heat flows into the cooling tank 203 to finish cooling, and cooling circulation is finished;

in this embodiment: the transfer device 3 comprises a support 301, a screw 302 is rotatably arranged at the bottom of the support 301, a motor 303 is arranged at the front end of the screw 302, a feed bar 304 is arranged above the screw 302, a moving frame 305 is arranged between the screw 302 and the feed bar 304, the moving frame 305 is T-shaped, the moving frame 305 is in bolted connection with the base station device 2, the support 301 supports the motor 303 to drive the screw 302 to rotate, the moving frame 305 is driven to move backwards along the feed bar 304, the moving frame 305 drives the corrugated pipe 205 to extend through the connector 206 until the connector 206 is inserted into a frame body formed by combining the lower runner 403 and the upper runner 406, and a complete cooling liquid circulation channel is formed;

in this embodiment: the die body device 4 comprises a lower die body 401, four positioning frames 402 are uniformly and fixedly arranged at four corners of the lower die body 401, a lower runner 403 is arranged at the top of the lower die body 401, a sealing frame 404 is fixedly arranged on the lower die body 401, an upper die body 405 is arranged above the lower die body 401, an upper runner 406 is arranged at the bottom of the upper die body 405, the sealing frame 404 is connected with the upper die body 405 in a plugging and pulling manner, the lower die body 401 is placed on a processing table 201, the positioning of the lower die body 401 is completed by inserting the positioning frame 402 into a positioning column 202, the upper die body 405 is flatly placed on the lower die body 401, the positioning of the upper die body 405 is completed by inserting the sealing frame 404 into the upper runner 406, and the lower runner 403 and the upper runner 406 are combined to form a cavity surrounding a circle.

The working principle is as follows: the lower die body 401 is placed on the processing table 201, the positioning column 202 is inserted through the positioning frame 402 to complete positioning of the lower die body 401, the upper die body 405 is flatly placed on the lower die body 401, the sealing frame 404 is inserted into the upper runner 406 to complete positioning of the upper die body 405, at the moment, the lower runner 403 and the upper runner 406 are combined to form a cavity surrounding a circle, the support 301 supports the motor 303 to drive the screw 302 to rotate, the movable frame 305 is driven to move backwards along the polishing rod 304, the movable frame 305 drives the corrugated pipe 205 to extend through the connector 206 until the connector 206 is inserted into a frame body formed by combining the lower runner 403 and the upper runner 406 to form a complete cooling liquid circulation channel, after casting is performed, the processing table 201 supports the circulating pump 204 to drive cooling liquid to flow into the cavity formed by combining the lower runner and the upper runner 406 through the corrugated pipe 205, heat generated by casting is absorbed and cooling of a casting is accelerated, the cooling liquid which has absorbed heat flows into the cooling box 203 to complete cooling, cooling circulation after cooling is completed, the cooling circulation is completed, the movable frame 305 drives the connector 206 to move, the load-bearing frame 102 to push the push plate 103 upwards to push the upper die body 103, and push the upper die body 403 out of the upper die body 401, and the lower die body 405 in a process of the demoulding process is completed, and the cleaning process is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sand casting mould, is including being used for the bearing and upwards lifting the base device (1) that the husky mould of push-up accomplished the drawing of patterns, base device (1) top is provided with base station device (2) that are used for bearing location and recirculated coolant liquid, base station device (2) bottom is provided with transfer device (3) that are used for providing translation power and accomplish the plug installation, its characterized in that: the top of the base station device (2) is provided with a die body device (4) for carrying out die assembly casting and splicing to form a cooling liquid flow channel;

the base device (1) comprises a bearing frame (101), two hydraulic cylinders (102) are symmetrically arranged in the middle of the bearing frame (101), and push plates (103) are arranged on the hydraulic cylinders (102);

the die body device (4) comprises a lower die body (401), four positioning frames (402) are uniformly and fixedly arranged at four corners of the lower die body (401), a lower flow channel (403) is arranged at the top of the lower die body (401), a sealing frame (404) is fixedly arranged on the lower die body (401), an upper die body (405) is arranged above the lower die body (401), and an upper flow channel (406) is arranged at the bottom of the upper die body (405).

2. A sand casting mold according to claim 1, wherein: base station device (2) are including processing platform (201), four even fixed reference columns (202) that are provided with in four corners above processing platform (201), processing platform (201) are preceding to be provided with cooler bin (203), cooler bin (203) one side is provided with circulating pump (204), circulating pump (204) with cooler bin (203) all are provided with bellows (205) at the back, bellows (205) rear end is provided with connector (206).

3. The sand casting mold according to claim 1, wherein: the transfer device (3) comprises a support (301), a lead screw (302) is rotatably arranged at the bottom of the support (301), a motor (303) is installed at the front end of the lead screw (302), a feed bar (304) is arranged above the lead screw (302), and a transfer frame (305) is arranged between the lead screw (302) and the feed bar (304).

4. A sand casting mold according to claim 2, wherein: the positioning column (202) is made of Q235 steel materials, and the positioning column (202) and the machining table (201) are welded together.

5. A sand casting mold according to claim 3, wherein: the movable frame (305) is T-shaped, and the movable frame (305) is connected with the base station device (2) through bolts.

6. The sand casting mold according to claim 1, wherein: the sealing frame (404) is connected with the upper die body (405) in a plugging mode.