A sand mixing and coating machine for coating sand production

Abstract

The utility model relates to the technical field of coating machines, and discloses a sand mixing and coating machine for coating sand production, comprising a machine body, a left side surface of the machine body being fixedly connected to a motor through a bracket, and a left side of the rotating shaft being fixedly connected to an output shaft of the motor. The sand mixing and coating machine for coating sand production opens a feed bin door and conveys sand grains and resin to be coated into the interior of the machine body and then closes the feed bin door, and a rotating roller will stir the sand grains and resin through a toggle plate so that the resin wraps the sand grains, and after the resin is cooled and solidified, the discharge bin door is opened and the motor is stopped, a wound-up volute spring will drive a rotating rod to rotate, and then the rotating rod will rotate and wind up a pull rope 2, so that the pull rope 2 pulls a scraper to reset, and the scraper will push the coated sand grains to the discharge bin door for discharging, and the scraper will scrape the inner wall of the machine body to prevent some resin from solidifying on the inner wall of the machine body and affecting the next use.

Description

Technical Field

[0001] The utility model relates to the technical field of coating machines, in particular to a sand mixing and coating machine for coating sand production. Background Art

[0002] Coated sand is molding sand or core sand with a layer of solid resin film on the surface. The sand heated to a certain stability is mixed with molten resin, and the resin is evenly covered on the surface of the sand by stirring. After the resin cools down, the sand particles are coated.

[0003] However, during the laminating process, the resin will not only adhere to the sand but also to the inner wall of the laminating machine after cooling, which requires manual cleaning, which is very troublesome and affects the working efficiency of the laminating machine. Summary of the invention

[0004] The utility model aims to provide a sand mixing and coating machine for coating sand production, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the utility model provides the following technical solution: a sand mixing and coating machine for coating sand production, comprising a machine body, a motor is fixedly connected to the left surface of the machine body through a bracket, a control unit is arranged inside the machine body, and the control unit comprises:

[0006] A rotating shaft, the left side of which is fixedly connected to the output shaft of the motor, the rotating shaft penetrates and is fixedly connected to a rotating roller, and a toggle plate is fixedly connected to the surface of the rotating roller;

[0007] A rotating plate, the rotating plate is penetrated by the rotating roller and fixedly connected, a circular groove is opened on the inner side of the rotating plate, and when the motor is started, the output shaft of the motor will drive the rotating roller to rotate through the rotating shaft, and the rotating roller will drive the rotating plate to rotate when rotating, and an arc column is arranged on the inner side of the circular groove, the arc column is penetrated by the arc rod, the bottom surface of the arc column is fixedly connected with a vertical rod, the vertical rod penetrates the rotating plate and is slidably connected, and a telescopic spring is fixedly connected between the bottom surface of the arc column and the inner side of the circular groove;

[0008] A vertical groove is provided on the inner side of the rotating plate and is connected to the circular groove. A gravity ball is arranged in the vertical groove. A trigger rod is fixedly connected to the right surface of the bottom end of the vertical rod. When the rotating roller rotates, the rotating plate is driven to rotate. The telescopic spring supports the arc column, and the arc column pulls up the trigger rod through the vertical rod.

[0009] Preferably, the rotating roller passes through a winding box, a trigger plate is fixedly connected to the inner side of the winding box, the winding box is passed through and slidably connected by a pull rope, one end of the pull rope located on the inner side of the winding box is fixedly connected to the inner wall of the winding box, the inner wall of the machine body is fixedly connected to a limiting ring, and the pull rope passes through the limiting ring.

[0010] Preferably, a positioning rod is fixedly connected to the inner wall of the body, and the positioning rod passes through and is slidably connected to the scraper. When the trigger rod is raised and rotated, it will contact the trigger plate, and the pull rope will pull the scraper to the left side of the body. The end of the pull rope away from the winding box is fixedly connected to the left surface of the scraper.

[0011] Preferably, a connecting column is fixedly connected to the inner wall of the body, a rotating rod is rotatably connected to the inner wall of the connecting column, an isolation plate is fixedly connected to the inner wall of the connecting column, and the rotating rod penetrates the isolation plate and is rotatably connected.

[0012] Preferably, the surface of the rotating rod located on the right side of the isolation plate is fixedly connected with a spiral spring. When the scraper is pulled, the pull rope 2 will pull the rotating rod to rotate and tighten the spiral spring at the same time. The end of the spiral spring away from the rotating rod is fixedly connected to the inner wall of the connecting column.

[0013] Preferably, the surface of the rotating rod located on the left side of the isolation plate is fixedly connected with a pull rope 2, and the end of the pull rope 2 away from the rotating rod is fixedly connected to the right side surface of the scraper. The pull rope 2 passes through the connecting column and is slidably connected. After the resin is cooled and solidified, the discharge bin door is opened and the motor is stopped. The wound spiral spring will drive the rotating rod to rotate, so that the pull rope 2 pulls the scraper to reset.

[0014] Preferably, a material inlet bin door is arranged on the top surface of the machine body, a material outlet bin door is arranged on the bottom surface of the machine body, and a supporting leg is fixedly connected to the bottom surface of the machine body.

[0015] Compared with the prior art, the utility model provides a sand mixing and coating machine for coating sand production, which has the following beneficial effects:

[0016] 1. The sand mixing and coating machine for producing coated sand opens the feed bin door and transports the sand and resin to be coated into the machine body and then closes the feed bin door. The rotating roller will stir the sand and resin through the toggle plate to wrap the sand with the resin. After the resin cools and solidifies, the discharge bin door is opened and the motor is stopped. The wound volute spring will drive the rotating rod to rotate, and then the rotating rod will rotate and wind up the pull rope 2, so that the pull rope 2 pulls the scraper to reset, and the scraper will push the coated sand to the discharge bin door for discharge, and the scraper will scrape the inner wall of the machine body to prevent some resin from solidifying on the inner wall of the machine body and affecting the next use.

[0017] 2. The sand mixing and coating machine for the production of coated sand cleans the inner wall with a scraper every time it is used. It not only has a high cleaning effect and reduces the number of manual cleaning times, but also can improve the coating efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the internal structure of the machine body of the utility model;

[0020] Figure 3 This is a schematic diagram of the internal structure of the rotating plate of the utility model;

[0021] Figure 4 This is a schematic diagram of the internal structure of the winding box of the utility model;

[0022] Figure 5 This is a schematic diagram of the unfolded structure of the winding box of the utility model;

[0023] Figure 6 It is a schematic diagram of the structure of the right side inside the body of the utility model;

[0024] Figure 7 This is a schematic diagram of the internal structure of the connecting column of the utility model.

[0025] In the figure: 1. body; 2. control unit; 21. rotating shaft; 22. rotating roller; 23. toggle plate; 24. rotating plate; 25. circular groove; 26. arc column; 27. arc rod; 28. vertical rod; 29. ​​telescopic spring; 210. vertical groove; 211. gravity ball; 212. trigger rod; 213. winding box; 214. trigger plate; 215. pull rope 1; 216. positioning rod; 217. scraper; 218. rotating rod; 219. isolation plate; 220. volute spring; 221. pull rope 2; 222. limit ring; 223. connecting column; 3. supporting leg; 4. bracket; 5. motor; 6. inlet silo door; 7. outlet silo door. DETAILED DESCRIPTION

[0026] like Figure 1-Figure 7 As shown, the utility model provides a technical solution: a sand mixing and coating machine for coated sand production, including a body 1, a motor 5 is fixedly connected to the left surface of the body 1 through a bracket 4, a control unit 2 is arranged inside the body 1, and the control unit 2 includes: a rotating shaft 21, a rotating roller 22, a toggle plate 23, a rotating plate 24, a circular groove 25, an arc column 26, an arc rod 27, a vertical rod 28, a telescopic spring 29, a vertical groove 210, a gravity ball 211, a trigger rod 212, a winding box 213, a trigger plate 214, a pull rope 215, a positioning rod 216, a scraper 217, a rotating rod 218, an isolation plate 219, a spiral spring 220, a pull rope 221, a limit ring 222, and a connecting column 223.

[0027] The left side of the rotating shaft 21 is fixedly connected to the output shaft of the motor 5. The rotating shaft 21 penetrates and is fixedly connected with a rotating roller 22. The surface of the rotating roller 22 is fixedly connected with a toggle plate 23. The rotating plate 24 is penetrated and fixedly connected by the rotating roller 22. A circular groove 25 is provided on the inner side of the rotating plate 24. When the motor 5 is started, the output shaft of the motor 5 will drive the rotating roller 22 to rotate through the rotating shaft 21, and the rotating roller 22 will drive the rotating plate 24 to rotate when rotating. An arc column 26 is provided on the inner side of the circular groove 25. The arc column 26 is penetrated by an arc rod 27. The bottom surface of the arc column 26 is fixedly connected with a vertical rod 28. The vertical rod 28 penetrates the rotating plate 24 and is slidably connected. The bottom surface of the arc column 26 is A telescopic spring 29 is fixedly connected between the inner sides of the circular groove 25, a vertical groove 210 is opened on the inner side of the rotating plate 24, and the vertical groove 210 is communicated with the circular groove 25, a gravity ball 211 is arranged in the vertical groove 210, and a trigger rod 212 is fixedly connected to the right surface of the bottom end of the vertical rod 28. When the rotating roller 22 rotates, it will drive the rotating plate 24 to rotate, and the gravity ball 211 in the vertical groove 210 opened on the surface of the rotating plate 24 will be thrown to the position of the vertical groove 210 away from the circular groove 25 under the action of centrifugal force, and the gravity ball 211 will not exert pressure on the arc column 26, the telescopic spring 29 will prop up the arc column 26, and the arc column 26 will pull up the trigger rod 212 through the vertical rod 28. The rotating roller 22 passes through a winding box 213, and a trigger plate 214 is fixedly connected to the inner side of the winding box 213. The winding box 213 is penetrated by a pull rope 215 and is slidably connected. One end of the pull rope 215 located on the inner side of the winding box 213 is fixedly connected to the inner wall of the winding box 213. The inner wall of the machine body 1 is fixedly connected to a limit ring 222, and the pull rope 215 passes through the limit ring 222. The inner wall of the machine body 1 is fixedly connected with a positioning rod 216, which penetrates and is slidably connected with a scraper 217. When the trigger rod 212 is raised and rotated, it will contact the trigger plate 214, and then drive the winding box 213 to rotate together through the trigger plate 214. When the winding box 213 rotates, the pull rope 1 215 will be rolled into the winding box 213, and the pull rope 1 215 will pull the scraper 217 to the left side of the machine body 1. The end of the pull rope 1 215 away from the winding box 213 is fixedly connected to the left surface of the scraper 217. The inner wall of the machine body 1 is fixedly connected with a connecting column 223, and the inner wall of the connecting column 223 is rotatably connected with a rotating rod 218. The inner wall of the connecting column 223 is fixedly connected with an isolation plate 219, and the rotating rod 218 penetrates the isolation plate 219 and is rotatably connected.

[0028] The surface of the rotating rod 218 located on the right side of the isolation plate 219 is fixedly connected with a spiral spring 220. When the scraper 217 is pulled, the pull rope 221 will be pulled by the scraper 217, and the pull rope 221 will pull the rotating rod 218 to rotate, and at the same time tighten the spiral spring 220. The end of the spiral spring 220 away from the rotating rod 218 is fixedly connected to the inner wall of the connecting column 223. The surface of the rotating rod 218 on the left side of the isolation plate 219 is fixedly connected with a second pull rope 221, and the end of the second pull rope 221 away from the rotating rod 218 is fixedly connected to the right surface of the scraper 217. The second pull rope 221 passes through the connecting column 223 and is slidably connected. After the resin is cooled and solidified, the discharge bin door 7 is opened and the motor 5 is stopped. The wound-up volute spring 220 will drive the rotating rod 218 to rotate, and then the rotating rod 218 rotates and winds the second pull rope 221, so that the second pull rope 221 pulls the scraper 217 to reset, and the scraper 217 pushes the coated sand particles to the discharge bin door 7 for discharge, and the scraper 217 scrapes the inner wall of the body 1. The top surface of the body 1 is provided with a feed bin door 6, the bottom surface of the body 1 is provided with a discharge bin door 7, and the bottom surface of the body 1 is fixedly connected with a support leg 3.

[0029] Based on the above-mentioned factual manner, the motor 5 is started, and the output shaft of the motor 5 drives the rotating roller 22 to rotate through the rotating shaft 21, and the rotating roller 22 drives the rotating plate 24 to rotate when rotating, and the gravity ball 211 in the vertical groove 210 provided on the surface of the rotating plate 24 is thrown to the position of the vertical groove 210 away from the circular groove 25 by the action of centrifugal force, and the gravity ball 211 will not exert pressure on the arc column 26, and the telescopic spring 29 will support the arc column 26, and the arc column 26 will pull up the trigger rod 212 through the vertical rod 28, and the trigger rod 212 will rotate after it is raised and will resist the trigger plate 214, and then drive the winding box 213 to rotate together through the trigger plate 214, and the winding box 213 will reel the pull rope 1 215 into the winding box 213 when rotating, and the pull rope 1 215 will pull the scraper 217 to the left side of the machine body 1, and when the scraper 217 is pulled, the pull rope 221 will be scraped The plate 217 is pulled, and the pull rope 221 will pull the rotating rod 218 to rotate, and at the same time tighten the volute spring 220, open the feed bin door 6 and transport the sand and resin to be coated into the interior of the machine body 1 and then close the feed bin door 6, and the rotating roller 22 will stir the sand and resin through the toggle plate 23, so that the resin wraps the sand, and after the resin cools and solidifies, the discharge bin door 7 is opened and the motor 5 is stopped, and the wound volute spring 220 will drive the rotating rod 218 to rotate, thereby causing the rotating rod 218 to rotate and wind up the pull rope 221, so that the pull rope 221 pulls the scraper 217 to reset, and the scraper 217 will push the coated sand to the discharge bin door 7 for discharge, and the scraper 217 will scrape the inner wall of the machine body 1 to prevent some resin from solidifying on the inner wall of the machine body 1 and affecting the next use. The cleaning effect is efficient, the number of manual cleaning times is reduced, and the coating efficiency is improved.

[0030] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A sand mixing and coating machine for producing coated sand, comprising a machine body (1), a motor (5) being fixedly connected to the left side surface of the machine body (1) via a bracket (4), characterized in that: A control unit (2) is provided inside the machine body (1), and the control unit (2) comprises: A rotating shaft (21), the left side of the rotating shaft (21) being fixedly connected to the output shaft of the motor (5), the rotating shaft (21) passing through and being fixedly connected to a rotating roller (22), the surface of the rotating roller (22) being fixedly connected to a toggle plate (23); A rotating plate (24), the rotating plate (24) being penetrated by and fixedly connected to the rotating roller (22), a circular groove (25) being provided on the inner side of the rotating plate (24), an arc column (26) being provided on the inner side of the circular groove (25), the arc column (26) being penetrated by an arc rod (27), a vertical rod (28) being fixedly connected to the bottom surface of the arc column (26), the vertical rod (28) being penetrated by and slidably connected to the rotating plate (24), and a telescopic spring (29) being fixedly connected between the bottom surface of the arc column (26) and the inner side of the circular groove (25); A vertical groove (210) is provided on the inner side of the rotating plate (24), and the vertical groove (210) is communicated with the circular groove (25). A gravity ball (211) is arranged in the vertical groove (210), and a trigger rod (212) is fixedly connected to the right side surface of the bottom end of the vertical rod (28).

2. The sand mixing and coating machine for coating sand production according to claim 1, characterized in that: The rotating roller (22) is penetrated by a winding box (213), the inner side of the winding box (213) is fixedly connected to a trigger plate (214), the winding box (213) is penetrated by a pull rope (215) and is slidably connected, one end of the pull rope (215) located on the inner side of the winding box (213) is fixedly connected to the inner wall of the winding box (213), the inner wall of the machine body (1) is fixedly connected to a limit ring (222), and the pull rope (215) passes through the limit ring (222).

3. The sand mixing and coating machine for coating sand production according to claim 2, characterized in that: A positioning rod (216) is fixedly connected to the inner wall of the machine body (1), and a scraper (217) is penetrated by the positioning rod (216) and slidably connected thereto. The end of the pull rope (215) away from the winding box (213) is fixedly connected to the left side surface of the scraper (217).

4. The sand mixing and coating machine for coating sand production according to claim 3, characterized in that: The inner wall of the machine body (1) is fixedly connected to a connecting column (223), the inner wall of the connecting column (223) is rotatably connected to a rotating rod (218), the inner wall of the connecting column (223) is fixedly connected to an isolation plate (219), and the rotating rod (218) penetrates the isolation plate (219) and is rotatably connected.

5. The sand mixing and coating machine for coating sand production according to claim 4, characterized in that: A scroll spring (220) is fixedly connected to the surface of the rotating rod (218) located on the right side of the isolation plate (219); one end of the scroll spring (220) away from the rotating rod (218) is fixedly connected to the inner wall of the connecting column (223).

6. The sand mixing and coating machine for coating sand production according to claim 4, characterized in that: A second pull rope (221) is fixedly connected to the surface of the rotating rod (218) located on the left side of the isolation plate (219); one end of the second pull rope (221) away from the rotating rod (218) is fixedly connected to the right side surface of the scraper (217); and the second pull rope (221) passes through the connecting column (223) and is slidably connected.

7. The sand mixing and coating machine for coating sand production according to claim 1, characterized in that: The top surface of the machine body (1) is provided with a material inlet bin door (6), the bottom surface of the machine body (1) is provided with a material outlet bin door (7), and the bottom surface of the machine body (1) is fixedly connected with a support leg (3).

Images