Sand core manufacturing machine

The sand core manufacturing machine driven by a linear motor achieves automated cleaning and demolding, solving the problem of dust flying inside the mold, improving efficiency and quality, and protecting the health of operators.

CN223811528UActive Publication Date: 2026-01-20JINAN WOKUN MASCH EQUIP CO LTD
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Patent Information

Application Number
CN202520427808.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-12
Publication Date
2026-01-20
Estimated Expiration
2035-03-12

AI Technical Summary

Technical Problem

In the current sand core manufacturing process, a large amount of sand particles and dust remain inside the mold. Manual cleaning causes dust to fly around, which endangers the health of operators.

Method used

The injection mechanism, auxiliary mechanism, and molding mechanism are driven by linear motors, combined with air jet pipes and demolding pipes to achieve automated cleaning and demolding, reducing dust emissions.

Benefits of technology

It improved the efficiency and quality of sand core manufacturing, reduced dust emissions, and protected the health of operators.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a sand core manufacturing machine, and belongs to the technical field of sand core manufacturing. The sand core manufacturing machine comprises a pair of linear motors, an injection mechanism is arranged at the upper ends of the pair of linear motors and comprises a top plate, the two sides of the bottom end of the top plate are connected with the top ends of the pair of linear motors correspondingly, a shooting head is slidably inserted into the bottom end of the top plate, and a core shooting machine is installed on one side of the top plate; the output end of the core shooter is connected with one side of the shooting head through a telescopic pipe, an auxiliary mechanism is arranged on one sides of the pair of linear motors and comprises a pair of mounting bases and a release agent box, one sides of the pair of mounting bases are connected with the moving ends of the pair of linear motors correspondingly, and an air spraying pipe and a demolding pipe are installed between the pair of mounting bases correspondingly; through holes are formed in the two sides of the air injection pipe and the two sides of the demolding pipe, a first forming mechanism and a second forming mechanism are arranged on the two sides of the bottom ends of the pair of linear motors respectively, the practicability of the sand core manufacturing machine can be effectively improved, and high practical value is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sand core manufacturing technical field, concretely is a sand core manufacturing machine. BACKGROUND

[0002] In the sand core manufacturing industry, the sand core forming process is the key link of producing high-quality sand cores. As an important part of forming internal holes or complex shapes of castings in the casting process, the quality of the sand core directly affects the quality of the final casting.

[0003] Based on the above, the present inventor found that there are the following problems: when the sand core forming is completed, a large amount of sand particles and dust will be left in the mold, at present, the operator usually needs to manually use a brush, a blowing device and other tools to clean the inside of the mold, in this process, dust will fly a lot, diffuse in the working environment, these dusts, long-term inhalation into the human body will cause serious health problems.

[0004] Therefore, in view of the above, the existing structure and defects are improved, and a sand core manufacturing machine is provided, so as to achieve the purpose of having more practical value. INVENTION CONTENTS

[0005] The utility model aims at providing a sand core manufacturing machine to solve the problem that the operator usually needs to manually use a brush, a blowing device and other tools to clean the inside of the mold, in this process, dust will fly a lot, diffuse in the working environment, these dusts, long-term inhalation into the human body will cause serious health problems.

[0006] In view of the above problems, the technical scheme provided by the utility model is:

[0007] A sand core manufacturing machine, comprising a pair of linear motors, a pair of injection mechanisms are arranged at the upper ends of the linear motors, the injection mechanism comprises a top plate, the bottom ends of the top plate are connected with the top ends of the linear motors, a shooting head is slidably arranged at the bottom end of the top plate, a core shooter is installed on one side of the top plate, the output end of the core shooter is connected with one side of the shooting head through an extension tube, an auxiliary mechanism is arranged on one side of the linear motor, the auxiliary mechanism comprises a pair of mounting seats and a release agent tank, the mounting seats are connected with the moving ends of the linear motors, a jet pipe and a release pipe are installed between the mounting seats, the jet pipe and the release pipe are provided with through holes on both sides, and a first forming mechanism and a second forming mechanism are arranged at the bottom ends of the linear motors.

[0008] Further, the first forming mechanism comprises a fixed frame, one side of the fixed frame is provided with a first mold base, one side of the first mold base is embedded with a vibration motor, and the bottom side of the fixed frame is provided with a conveyor.

[0009] The beneficial effect of the above further scheme is that the vibration motor embedded on one side of the first mold base can separate the formed sand core from the inside of the first mold base by vibration during demolding, and the conveyor at the bottom side of the fixed frame can conveniently convey the formed sand core out of the fixed frame to realize continuous production.

[0010] Further, the upper end of the fixed frame is provided with a first movable seat, the inside of the first movable seat is rotatably connected with a first telescopic rod, the bottom side of the first mold base is provided with a second movable seat, and one end of the first telescopic rod is hingedly connected with the inside of the second movable seat through a pin shaft.

[0011] The beneficial effect of the above further scheme is that the first telescopic rod rotatably connected in the first movable seat at the upper end of the fixed frame is hingedly connected with the second movable seat at the bottom side of the first mold base through a pin shaft, and the first mold base can be driven to rotate around the fixed frame through the telescopic movement of the first telescopic rod, so that the opening of the first mold base is downward, which is convenient for separating the sand core formed in the first mold base and making the sand core fall on the conveyor.

[0012] Further, the second forming mechanism comprises a base, one side of the base is connected with the other side of the pair of linear motors, the upper end of the base is provided with a mounting frame, one side of the mounting frame is slidably inserted with a second mold base, the center of the mounting frame is inserted with a second telescopic rod, and one end of the second telescopic rod is connected with one side of the second mold base.

[0013] The beneficial effect of the above further scheme is that the second mold base slidably inserted on one side of the mounting frame can slide through the telescopic movement of the second telescopic rod, and after the first mold base is closed, the second mold base can cooperate with the core shooter to complete the forming and demolding process of the sand core.

[0014] Further, the bottom side of the demolding agent tank is connected with one side of the base, the upper end of the demolding agent tank is provided with a pump, the output end of the pump is connected with the outer side of one end of the demolding pipe through a first corrugated hose, and the input end of the pump is connected with the demolding agent tank through a pipeline.

[0015] The beneficial effect of the above further scheme is that the demolding agent tank stores the demolding agent, the pump conveys the demolding agent in the demolding agent tank to the demolding pipe through the first corrugated hose, and the demolding pipe is provided with through holes on both sides, which can uniformly spray the inside of the first mold base and the second mold base through the up-down movement of the linear motor, thereby facilitating the demolding of the sand core.

[0016] Further, the upper end of the pump machine is provided with an air pump, and the output end of the air pump is connected with the outside of one end of the air injection pipe through a second corrugated hose.

[0017] The beneficial effect of the further scheme is that the air pump delivers air to the air injection pipe through the second corrugated hose, the through holes on both sides of the air injection pipe can blow air to the interiors of the first mold base and the second mold base, and the linear motor also drives the air injection pipe to move up and down, which better removes impurities and residual sand in the first mold base and the second mold base, and ensures the forming quality of the sand core.

[0018] Further, a third telescopic rod is inserted at the center of the upper end face of the top plate, and the bottom end of the third telescopic rod is connected with the upper end of the injection head.

[0019] The beneficial effect of the further scheme is that the third telescopic rod inserted at the center of the upper end face of the top plate has the bottom end connected with the upper end of the injection head, and the position of the injection head can be adjusted through the extension and retraction of the third telescopic rod, so that the injection head is attached to the feeding port on the upper end of the first mold base and the second mold base.

[0020] Compared with the prior art, the sand core manufacturing machine has the beneficial effect that: the pair of linear motors provide moving power for the auxiliary mechanism, the position of the auxiliary mechanism can be adjusted, the top plate of the injection mechanism is connected with the top end of the linear motor, the injection head can slide at the bottom end of the top plate, the core shooter is connected with the injection head through the telescopic pipe, sand can be accurately injected into the first mold base and the second mold base through the injection head, the mounting seat of the auxiliary mechanism is connected with the moving end of the linear motor, the air injection pipe and the demolding pipe can blow air to clean the interiors of the first mold base and the second mold base and spray the demolding agent, the first forming mechanism and the second forming mechanism are used for the forming and manufacturing of the sand core, and the parts of the whole device work cooperatively, thereby improving the efficiency and quality of the sand core manufacturing. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 The utility model discloses a sand core manufacturing machine's three -dimensional structure schematic Figure 1 ;

[0022] Figure 2 The utility model discloses a sand core manufacturing machine's three -dimensional structure schematic Figure 2 ;

[0023] Figure 3 The utility model discloses a sand core manufacturing machine's second forming mechanism and injection mechanism three -dimensional structure schematic

[0024] Figure 4 The utility model discloses a sand core manufacturing machine's first forming mechanism three -dimensional structure schematic

[0025] Figure 5The utility model discloses a three -dimensional structure schematic diagram of sand core manufacturing machine Figure 3 .

[0026] In the drawing: 100, linear motor, 101, first forming mechanism, 10101, fixed frame, 10102, first movable seat, 10103, first telescopic link, 10104, first mould base, 10105, vibration motor, 10106, second movable seat, 10107, conveyer, 102, second forming mechanism, 10201, base, 10202, mounting frame, 10203, second mould base, 10204, second telescopic link, 103, injection mechanism, 10301, top plate, 10302, core shooter, 10303, injection head, 10304, third telescopic link, 104, auxiliary mechanism, 10401, mounting seat, 10402, air jet pipe, 10403, stripping pipe, 10404, stripping agent tank, 10405, pump, 10406, air pump. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative work belong to the range of the utility model.

[0028] Please refer to Figure 1 - Figure 5The utility model provides a technical scheme: a sand core manufacturing machine, including a pair of linear motor 100, the upper end of a pair of linear motor 100 is equipped with injection mechanism 103, injection mechanism 103 includes top plate 10301, and the bottom end both sides of top plate 10301 are connected with the top end of a pair of linear motor 100 respectively, and the bottom end sliding of top plate 10301 inserts and sets up injection head 10303, and one side of top plate 10301 is installed with injection head machine 10302, and the output of injection head machine 10302 is connected with one side of injection head 10303 through telescopic pipe, and one side of a pair of linear motor 100 is equipped with auxiliary mechanism 104, and auxiliary mechanism 104 includes a pair of mounting seat 10401 and release agent tank 10404, and one side of a pair of mounting seat 10401 is connected with the mobile end of a pair of linear motor 100 respectively, and jet pipe 10402 and release pipe 10403 are installed between a pair of mounting seat 10401 respectively, and both sides of jet pipe 10402 and release pipe 10403 are all set up through -hole, and the bottom end both sides of a pair of linear motor 100 are provided with first forming mechanism 101 and second forming mechanism 102 respectively, and a pair of linear motor 100 provides moving power for auxiliary mechanism 104, can adjust the position of auxiliary mechanism 104, and the top plate 10301 of injection mechanism 103 is connected with the top end of linear motor 100, and injection head 10303 can slide at the bottom end of top plate 10301, and injection head machine 10302 is connected with injection head 10303 through telescopic pipe, and sand material can be accurately injected into first mould base 10104 and second mould base 10203 through injection head 10303, and the mounting seat 10401 of auxiliary mechanism 104 is connected with the mobile end of linear motor 100, and jet pipe 10402 and release pipe 10403 can carry out blowing cleaning and spraying release agent operation to the inside of first mould base 10104 and second mould base 10203, and first forming mechanism 101 and second forming mechanism 102 are used for the forming manufacturing of sand core, and the whole device each part works in coordination, improves the efficiency and quality of sand core manufacturing.

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative work belong to the range of the utility model.

[0030] Please refer to Figure 1 - Figure 5The first forming mechanism 101 comprises a fixed frame 10101 arranged on one side of the pair of linear motors 100, a first mold base 10104 rotatably connected to one side of the upper end of the fixed frame 10101, a vibration motor 10105 embeddedly arranged on one side of the first mold base 10104, a conveyor 10107 arranged on the bottom side of the fixed frame 10101, a first movable base 10102 arranged on one side of the upper end of the fixed frame 10101, a first telescopic rod 10103 rotatably connected to the inside of the first movable base 10102, a second movable base 10106 arranged on the bottom side of the first mold base 10104, and a second telescopic rod 10204 rotatably connected to one side of the second mold base 10203 at one end thereof. The vibration motor 10105 embeddedly arranged on one side of the first mold base 10104 can separate the formed sand core from the inside of the first mold base 10104 by vibration when demolding. The conveyor 10107 arranged on the bottom side of the fixed frame 10101 can conveniently convey the formed sand core out of the fixed frame 10101, so that continuous production is realized. The first telescopic rod 10103 rotatably connected to the inside of the first movable base 10102 on one side of the upper end of the fixed frame 10101 is hingedly connected to the second movable base 10106 on the bottom side of the first mold base 10104 at one end thereof. The telescopic movement of the first telescopic rod 10103 can drive the first mold base 10104 to rotate around the fixed frame 10101, so that the opening of the first mold base 10104 is downward, and the formed sand core in the first mold base 10104 can be conveniently separated and dropped on the conveyor 10107. The second mold base 10203 slidably arranged on one side of the mounting frame 10202 can slide by the telescopic movement of the second telescopic rod 10204. After the second mold base 10203 is closed with the first mold base 10104, the sand core forming and demolding process can be completed by cooperating with the core shooter 10302.

[0031] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0032] Please refer to Figure 1 Figure 5 ​The bottom side of the release agent tank 10404 is connected with one side of the base 10201, the upper end of the release agent tank 10404 is installed with a pump machine 10405, the output end of the pump machine 10405 is connected with the outside of one end of the release pipe 10403 through a first corrugated hose, the input end of the pump machine 10405 is connected with the release agent tank 10404 through a pipeline, the upper end of the pump machine 10405 is installed with an air pump 10406, the output end of the air pump 10406 is connected with the outside of one end of the air jet pipe 10402 through a second corrugated hose, the upper end surface center of the top plate 10301 is inserted with a third telescopic rod 10304, the bottom end of the third telescopic rod 10304 is connected with the upper end of the nozzle 10303, the release agent tank 10404 stores release agent, the pump machine 10405 sends the release agent in the release agent tank 10404 to the release pipe 10403 through the first corrugated hose, the release pipe 10403 is provided with through holes on both sides, and the release pipe 10403 is driven by the linear motor 100 to move up and down, so that the first mold base 10104 and the second mold base 10203 can be uniformly sprayed, the sand core is demolded, the air pump 10406 sends gas to the air jet pipe 10402 through the second corrugated hose, the through holes on both sides of the air jet pipe 10402 can blow and clean the inside of the first mold base 10104 and the second mold base 10203, and the air jet pipe 10402 is also driven by the linear motor 100 to move up and down, so that the impurities and residual sand in the first mold base 10104 and the second mold base 10203 can be better removed, the forming quality of the sand core is ensured, the third telescopic rod 10304 inserted in the upper end surface center of the top plate 10301 is connected with the upper end of the nozzle 10303, and the position of the nozzle 10303 can be adjusted through the extension and retraction of the third telescopic rod 10304, so that the nozzle 10303 can be attached to the feeding port on the upper end of the first mold base 10104 and the second mold base 10203.

[0033] Specifically, the working principle of the sand core manufacturing machine is as follows: during injection, the linear motor 100 operates to drive the mounting seat 10401 to move up and down, and at the same time, the air pump 10406 works to inject high-pressure gas into the air injection pipe 10402 through the second corrugated hose, so as to clean the interiors of the first mold seat 10104 and the second mold seat 10203 through the through holes formed on the two sides of the air injection pipe 10402; after the cleaning is completed, the pump 10405 works to draw the release agent in the release agent tank 10404 into the release pipe 10403 through the first corrugated hose, and then sprays the release agent into the first mold seat 10104 and the second mold seat 10203 through the through holes formed on the two ends of the release pipe 10403; after the spraying is completed, the linear motor 100 controls the movement of the mounting seat 10401 to the bottom end, and then the second extension rod 10204 pushes the second mold seat 10203 to move to the position of the first mold seat 10104; after the two are closed, the third extension rod 10304 is started to drive the injection head 10303 to be pressed down; the injection head 10303 is connected with the core shooter 10302 through the extension pipe, and the core shooter 10302 injects sand into the first mold seat 10104 and the second mold seat 10203 through the injection head 10303; after the sand cores in the first mold seat 10104 and the second mold seat 10203 are formed, the second extension rod 10204 is restarted to drive the second mold seat 10203 to separate from the first mold seat 10104; at this time, the first extension rod 10103 is started, one end of the first extension rod 10103 is hingedly connected with the second movable seat 10106 inside the bottom side of the first mold seat 10104, so as to drive the rotationally connected first mold seat 10104 to be flipped, so that the inner side of the first mold seat 10104 faces downward; at the same time, the vibration motor 10105 is started to separate the sand cores in the first mold seat 10104 from the first mold seat 10104 through vibration, and the sand cores fall on the upper end of the conveyor 10107 to be conveyed; after the sand cores fall, the first extension rod 10103 is restarted to drive the first mold seat 10104 to reset; at this time, the air injection pipe 10402 and the release pipe 10403 clean the interiors of the first mold seat 10104 and the second mold seat 10203 again and spray release agent; through repeated operation, the sand cores are continuously manufactured.

Claims

1. A sand core making machine characterized by, The utility model provides an injection molding machine, including a pair of linear motor (100), the upper end of a pair of linear motor (100) is equipped with injection mechanism (103), injection mechanism (103) includes top plate (10301), and the bottom end both sides of top plate (10301) are connected with the top end of a pair of linear motor (100) respectively, and the bottom end sliding insertion of top plate (10301) is equipped with injection head (10303), and one side of top plate (10301) is installed with injection core machine (10302), and the output of injection core machine (10302) is connected with one side of injection head (10303) through telescopic pipe, and one side of a pair of linear motor (100) is equipped with auxiliary mechanism (104), and auxiliary mechanism (104) includes a pair of mounting seat (10401) and release agent tank (10404), and one side of a pair of mounting seat (10401) is connected with the movement end of a pair of linear motor (100) respectively, and the between a pair of mounting seat (10401) is installed with air jet pipe (10402) and release pipe (10403) respectively, and both sides of air jet pipe (10402) and release pipe (10403) are all equipped with through -hole, and the bottom end both sides of a pair of linear motor (100) are provided with first forming mechanism (101) and second forming mechanism (102) respectively.

2. A core making machine according to claim 1, wherein The first forming mechanism (101) includes a fixed frame (10101), the fixed frame (10101) is provided on one side of the pair of linear motor (100), and the upper end of the fixed frame (10101) is rotatably connected with a first mold base (10104) on one side. The first mold base (10104) is embedded with a vibration motor (10105) on one side. The bottom side of the fixed frame (10101) is provided with a conveyor (10107).

3. A core making machine according to claim 2, wherein The upper end of the fixed frame (10101) is provided with a first movable seat (10102) on one side. The first movable seat (10102) is rotatably connected with a first telescopic rod (10103) inside. The bottom side of the first mold base (10104) is provided with a second movable seat (10106). One end of the first telescopic rod (10103) is hingedly connected with the inside of the second movable seat (10106) through a pin shaft.

4. A core making machine according to claim 1, wherein The second forming mechanism (102) includes a base (10201), and the other side of the bottom end of the pair of linear motor (100) is connected with the base (10201) on one side. The upper end of the base (10201) is provided with a mounting bracket (10202) on one side. The mounting bracket (10202) is slidingly inserted with a second mold base (10203) on one side. The center of the mounting bracket (10202) is inserted with a second telescopic rod (10204). One end of the second telescopic rod (10204) is connected with one side of the second mold base (10203).

5. A core making machine according to claim 4, wherein The bottom side of the release agent tank (10404) is connected with one side of the base (10201), the upper end of the release agent tank (10404) is provided with a pump (10405), the output end of the pump (10405) is connected with the outer side of one end of the release pipe (10403) through a first corrugated hose, and the input end of the pump (10405) is connected with the release agent tank (10404) through a pipeline.

6. A core making machine according to claim 5, wherein The upper end of the pump (10405) is provided with an air pump (10406), and the output end of the air pump (10406) is connected with the outer side of one end of the air jet pipe (10402) through a second corrugated hose.

7. A core making machine according to claim 1 wherein, The upper end surface center of the top plate (10301) is provided with a third telescopic rod (10304), and the bottom end of the third telescopic rod (10304) is connected with the upper end of the nozzle (10303).