Core shooter positioning device for flywheel blank injection molding processing
By designing and executing units in the core injection machine to detect and crush the core sand agglomerated in the hopper, the core sand agglomeration problem caused by the temperature change of the core injection machine is solved, and the flywheel production efficiency and processing quality are improved.
Patent Information
- Application Number
- CN202420551921.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-20
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-03-20
AI Technical Summary
During the frequent opening and closing of the die, the temperature changes greatly, resulting in water vapor adhesion, and the core sand is prone to agglomeration, affecting the flywheel production efficiency.
A core injection machine positioning device for flywheel blank injection molding processing is designed, including an execution unit for detecting and crushing the agglomerated core sand in the hopper to ensure that the looseness of the core sand is within the set range, including the material barrel, the inner barrel, The screen, gravity sensor and motor, the crushing part drives the crushing part to make a circular motion on the screen to crush the core sand.
It effectively prevents the core sand from agglomerating, ensures the normal operation of the core injection machine, improves the flywheel production efficiency, and avoids the problems of clogging the nozzle and the core sand are not solid.
Smart Images
Figure CN222326636U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of flywheel processing, and specifically is a core shooting machine positioning device for flywheel blank injection molding processing. Background Art
[0002] The processing of high-quality flywheels requires sufficient strength, accurate size, and clear contours. For this reason, core shooting machines are usually used in the industry to process flywheels. Due to the high processing accuracy requirements, the requirements for core sand are also relatively strict. Since the adhesive in the core sand needs to be melted at high temperature during the sand shooting process, the temperature around the sand shooting machine is often higher than the ambient temperature, and the heating is stopped during the mold opening process. Therefore, during the frequent mold opening and closing process, the temperature around the core shooting machine changes greatly, causing the water vapor in the environment to adhere to the core shooting machine, which is easy to cause the core sand in its hopper to agglomerate, resulting in unreal core shooting and nozzle clogging, which seriously affects the production of flywheels.
[0003] Therefore, a core shooting machine positioning device for flywheel blank injection molding is proposed to solve the above technical problems. Utility Model Content
[0004] The utility model aims to provide a core shooting machine positioning device for flywheel blank injection molding, which can automatically detect the agglomeration of core sand in the hopper and crush the agglomerates whose size is larger than the set core sand to ensure the production efficiency of the flywheel.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A core shooting machine positioning device for flywheel blank injection molding includes a core shooting machine body, a hopper, and a sand adding valve. The hopper is fixedly installed on the core shooting machine body. The hopper is provided with a sand adding valve. The invention is characterized in that an execution unit is provided at the bottom of the hopper, and the execution unit is used to crush agglomerated core sand.
[0007] Preferably, the execution unit includes a barrel fixedly installed at the bottom of the hopper, the bottom of the barrel is connected to the core shooting machine body, an inner barrel is fixedly installed in the barrel, a screen is fixedly installed at the bottom of the inner barrel, a gravity sensor is fixedly installed on the inner barrel, a motor is fixedly installed in the inner barrel, and two crushing parts for breaking up agglomerated core sand are fixedly installed on the output end of the motor.
[0008] Preferably, the crushing part is cylindrical, and a plurality of burrs are fixedly mounted on the surface of the crushing part, and the size of the burrs is smaller than the mesh size of the sieve.
[0009] Preferably, the diameter of the screen mesh is smaller than the core sand agglomeration size allowed by the core shooting machine.
[0010] Preferably, the inner wall of the inner barrel is frosted.
[0011] Preferably, the outer wall diameter of the inner barrel is smaller than the inner wall diameter of the barrel.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] 1. An execution unit is set at the bottom of the barrel. The execution unit can automatically detect the agglomeration of the core sand in the barrel and crush the agglomerates larger than the set core sand to ensure the production efficiency of the flywheel. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0015] Figure 2 for Figure 1 AA section view in;
[0016] Figure 3 for Figure 2 A magnified view of the structure at B in the middle.
[0017] In the figure: 1. core shooting machine body; 2. hopper; 3. execution unit; 4. sand adding valve; 301. barrel; 302. inner barrel; 303. gravity sensor; 304. motor; 305. crushing part; 306. thorns; 307. screen. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0019] See also Figures 1 to 3 The utility model provides a core shooting machine positioning device for flywheel blank injection molding, and the technical scheme is as follows:
[0020] A core shooting machine positioning device for flywheel blank injection molding includes a core shooting machine body 1, a hopper 2, and a sand adding valve 4. The hopper 2 is fixedly mounted on the core shooting machine body 1. The hopper 2 is provided with a sand adding valve 4. The device is characterized in that an execution unit 3 is provided at the bottom of the hopper 2, and the execution unit 3 is used to crush agglomerated core sand.
[0021] The execution unit 3 includes a barrel 301 fixedly installed at the bottom of the hopper 2, the bottom of the barrel 301 is connected to the core shooting machine body 1, an inner barrel 302 is fixedly installed in the barrel 301, the inner wall of the inner barrel 302 is frosted, and the outer wall diameter of the inner barrel 302 is smaller than the inner wall diameter of the barrel 301, a screen 307 is fixedly installed at the bottom of the inner barrel 302, a gravity sensor 303 is fixedly installed on the inner barrel 302, a motor 304 is fixedly installed in the inner barrel 302, and two crushing parts 305 for breaking up agglomerated core sand are fixedly installed on the output end of the motor 304.
[0022] The hopper 2 provides an equal amount of core sand, which is sufficient to fill the mold, to the core shooting machine body 1 each time through the sand adding valve 4. When the sand shooting plate completes filling the mold and resets, the sand adding valve 4 is opened, and the core sand falls into the core shooting machine body 1 through the screen 307 in the inner barrel 302. When the sand adding valve 4 is closed, the gravity sensor 303 is started. At this time, if the core sand in the hopper 2 is agglomerated, and the size of the agglomerate is larger than the maximum size allowed by the screen 307, the agglomerated core sand is retained on the screen 307, and the motor 304 is started through the gravity sensor 303. The motor 304 drives the rolling part to make a circular motion on the screen 307. Before the worker takes out the flywheel in the mold, the agglomerated core sand on the screen 307 is broken by the rolling part to ensure that the looseness of the core sand shot by the core shooting machine body 1 is within the set range.
[0023] The outer wall diameter of the inner barrel 302 is set smaller than the inner wall diameter of the barrel 301, so that a gap is formed between the inner barrel 302 and the barrel 301, so that the screen 307 is vibrated when the rolling part contacts the inner barrel 302 and the screen 307, thereby preventing the loose core sand from being blocked in the mesh of the screen 307 and accelerating the crushing and falling of the agglomerated core sand. It is ensured that all the core sand can fall from the barrel 301 before the worker takes out the flywheel in the mold, ensuring the production efficiency.
[0024] Similarly, the inner wall of the inner barrel 302 is frosted, and when the rolling part makes a circular motion, the agglomerated core sand is pushed to the inner wall of the inner barrel 302. The rough inner wall can accelerate the crushing of the agglomerated core sand and ensure production efficiency.
[0025] The crushing part 305 is cylindrical, and a plurality of thorns 306 are fixedly mounted on the surface of the crushing part 305 . The size of the thorns 306 is smaller than the mesh size of the screen 307 .
[0026] The screen 307 is made of stainless steel, which has a certain strength and is not easy to deform. The crushing part 305 is cylindrical and can rotate freely along its own axis. During the rotation of the motor 304, the rolling part can roll the agglomerated core sand between itself and the screen 307 through its own shape characteristics to ensure the destruction effect of the core sand. A plurality of convex thorns 306 are fixedly installed on the surface of the crushing part 305. One is to increase the surface area of the rolling part so that the agglomerated core sand is more easily rolled under the rolling part. The second is that the convex thorns 306 can be embedded in the mesh of the screen 307 to remove the core sand remaining in the mesh, further ensuring the patency of the screen 307.
[0027] How it works
[0028] After the sand adding valve 4 is closed, the gravity sensor 303 is started. At this time, if the agglomerated core sand remains on the screen 307, the gravity sensor 303 starts the motor 304. Before the worker takes out the flywheel in the mold, the motor 304 drives the rolling part to crush the agglomerated core sand on the screen 307, ensuring that there is enough core sand when the core shooting machine shoots sand, and there is no agglomeration in the core sand.
[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A core shooting machine positioning device for flywheel blank injection molding, comprising a core shooting machine body (1), a hopper (2), and a sand adding valve (4), wherein the hopper (2) is fixedly mounted on the core shooting machine body (1), and a sand adding valve (4) is provided in the hopper (2), characterized in that: An execution unit (3) is provided at the bottom of the hopper (2), and the execution unit (3) is used to crush agglomerated core sand.
2. A core shooting machine positioning device for flywheel blank injection molding according to claim 1, characterized in that: The execution unit (3) comprises a barrel (301) fixedly mounted at the bottom of the hopper (2), the bottom of the barrel (301) being connected to the core shooting machine body (1), an inner barrel (302) being fixedly mounted inside the barrel (301), a screen (307) being fixedly mounted at the bottom of the inner barrel (302), a gravity sensor (303) being fixedly mounted on the inner barrel (302), the gravity sensor (303) being electrically connected to a sand adding valve (4), a motor (304) being fixedly mounted inside the inner barrel (302), and two crushing parts (305) for crushing agglomerated core sand being fixedly mounted on the output end of the motor (304).
3. A core shooting machine positioning device for flywheel blank injection molding according to claim 2, characterized in that: The crushing part (305) is cylindrical, and a plurality of thorns (306) are fixedly mounted on the surface of the crushing part (305), wherein the size of the thorns (306) is smaller than the mesh size of the screen (307).
4. A core shooting machine positioning device for flywheel blank injection molding according to claim 3, characterized in that: The mesh diameter of the screen (307) is smaller than the core sand agglomeration size allowed by the core shooting machine.
5. The core shooting machine positioning device for flywheel blank injection molding according to claim 2, characterized in that: The inner wall of the inner barrel (302) is frosted.
6. A core shooting machine positioning device for flywheel blank injection molding according to claim 2, characterized in that: The outer wall diameter of the inner barrel (302) is smaller than the inner wall diameter of the barrel (301).