A molding sand removal device for automobile castings

Abstract

The present invention provides a molding sand removal device for automobile castings. The device is provided with a clamping mechanism, which can remove large pieces of molding sand adhered to the surface of the workpiece through a rotating clamping plate, thereby facilitating subsequent cleaning; the device is provided with a crushing mechanism, which allows an insert to be inserted into the molding sand to crush the molding sand in the gaps of the workpiece, thereby removing the molding sand on the surface of the workpiece more thoroughly; the device is provided with a vibrating mechanism, which allows the insert to be inserted into the molding sand while the rotation of a rotating rod drives the vibration of the insert, thereby allowing the insert to be inserted into the molding sand while vibrating, thereby facilitating the movement of the insert and the crushing and recovery of the molding sand; the device is provided with an exhaust mechanism, which allows the molding sand on the surface of the workpiece to be crushed while air can be supplied through a fan, thereby causing the air flow to blow away the residual molding sand on the surface of the workpiece, thereby providing strong practicality.

Description

Technical Field

[0001] The invention relates to the field of molding sand casting, in particular to a molding sand removing device for automobile castings. Background Art

[0002] Sand casting is a process of pressing sand into a specific mold cavity, pouring liquid casting material into the mold cavity, and forming a casting until it cools and solidifies. The sand and the casting are then separated. After separation, the sand can be subsequently recycled and reused, which reduces production costs while improving resource utilization efficiency and reducing resource exploitation. Water flushing allows the sand and casting to be separated quickly. In automobile production, a large number of castings require sand casting. The interior of the workpiece is hot after casting. Directly removing the sand by water flushing will affect the internal stress of the workpiece, thereby affecting the quality of the finished automobile. Therefore, existing processing methods generally use manual chiseling to remove the sand, which is time-consuming and labor-intensive. Moreover, due to the high temperature of the workpiece, manual handling is very prone to burns. Therefore, a device is needed to conveniently remove the sand from the surface of automobile castings. The prior art discloses an automatic cleaning and recovery device for precision casting sand. This device can crush and recycle the sand, but it cannot effectively remove the sand inside the casting. Therefore, a device is needed to conveniently remove the sand from the surface of automobile castings. Summary of the Invention

[0003] In response to the defects in the prior art, the purpose of the present invention is to provide a molding sand removal device for automobile castings, which can remove the molding sand inside the castings, and by inserting a cylinder into the molding sand to crush the molding sand in the gaps of the workpiece, the molding sand on the surface of the workpiece can be removed more thoroughly, and the device is highly practical.

[0004] In order to achieve the above technical effects, the present invention adopts the following technical solutions:

[0005] According to the present invention, a molding sand removal device for automotive castings is provided, comprising a fixed frame, a mounting plate slidably connected to the upper inner wall of the fixed frame, a hydraulic lift provided on the lower side of the mounting plate, the upper end of the hydraulic lift in contact with the lower side of the mounting plate, a material clamping mechanism provided on the upper side of the mounting plate, and crushing mechanisms provided on both the front and rear sides of the fixed frame;

[0006] The clamping mechanism includes a moving assembly and a rotatable clamping plate on the moving assembly, and the clamping plate can perform translational and rotational motions under the support of the moving assembly;

[0007] The crushing mechanism includes a connecting assembly and an insert on the connecting assembly, wherein the insert can perform translational movement from close to the middle of the fixed frame to away from the middle of the fixed frame, and an exhaust channel is opened in the middle of the insert, and the exhaust channel runs through both ends of the insert;

[0008] A vibration mechanism is provided on the upper side of the insert, and the crushing mechanism also includes an exhaust mechanism.

[0009] The top end of the driving member is connected with the driving member to the rotation of the steering column, and the other end is connected with the steering column to the steering column, and the other end is connected with the steering column to the steering column.

[0010] Preferably, the connecting assembly includes a fixing seat, the outer wall of the fixing seat is fixedly connected to the outer wall of the fixing frame, the inner wall of the fixing seat is fixedly connected to the second motor, the output end of the second motor is fixedly connected to the first traction arm, the upper side of the first traction arm is provided with a socket, the inside of the socket is slidably connected to the second traction arm, the upper end of the second traction arm is hinged with a fixing plate, the lower side of the fixing plate is provided with a limiting groove, the inner wall of the limiting groove is slidably connected to the limiting frame, the other end of the limiting frame is fixedly connected to the outer wall of the fixing frame, the upper surface of the fixing plate is fixedly connected to the limiting block, the middle part of the limiting block is provided with a mounting hole, and the inner wall of the mounting hole is fixedly connected to the outer wall of the insert cylinder.

[0011] Preferably, the insert is made of elastic metal, and one end of the insert close to the middle of the fixing frame is pointed, and the front and rear lengths of the insert are greater than those of the fixing plate.

[0012] Preferably, the vibration mechanism includes a third motor, the outer wall of the third motor is fixedly connected to the lower inner wall of the fixed plate, the output end of the third motor is sleeved with a transmission belt, the upper surface of the fixed plate is fixedly connected to a rotating pile, the inner wall of the rotating pile is rotatably connected to a rotating rod through a bearing, the upper side of the transmission belt is sleeved on the outer wall of the rotating rod, the outer wall of the rotating rod is connected to the output end of the third motor through a transmission belt transmission, one side of the outer wall of the rotating rod is fixedly connected to a shift rod, and the vibration mechanism also includes a convex ball, the outer wall of the convex ball is fixedly connected to the upper surface of the insert cylinder.

[0013] Preferably, the force of the third motor driving the rotating rod to rotate through the transmission belt is greater than the force required for the insertion tube to deform, and the distance between the outer wall of the rotating rod and the outer wall of the insertion tube is less than the sum of the front and rear side lengths of the shift rod and the radius of the convex ball.

[0014] Preferably, the exhaust mechanism includes a fan, the outer wall of the fan is fixedly connected to the outer wall of the fixed frame, the output end of the fan is fixedly connected to an air pipe, the other end of the air pipe is fixedly connected to a connecting pipe, the outer wall of the connecting pipe is fixedly connected to the upper side of the outer wall of the fixed plate, the outer wall of the connecting pipe is fixedly connected to one end of the insert, the interior of the insert is communicated with the interior of the connecting pipe, and the interior of the connecting pipe is communicated with the output end of the fan through the air pipe.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The molding sand removal device for automobile castings provided by the present invention is provided with a clamping mechanism, which can remove large pieces of molding sand adhering to the surface of the workpiece through a rotating clamping plate, thereby facilitating subsequent cleaning.

[0017] 2. The molding sand removal device for automobile castings provided by the present invention is provided with a crushing mechanism, which allows the insert tube to be inserted into the molding sand to crush the molding sand in the gaps of the workpiece, so that the molding sand on the surface of the workpiece can be removed more thoroughly.

[0018] 3. The molding sand removal device for automobile castings provided by the present invention is provided with a vibration mechanism. When the insert cylinder is inserted into the molding sand, the rotation of the rotating rod drives the vibration of the insert cylinder, so that the insert cylinder is inserted into the molding sand while vibrating, which facilitates the movement of the insert cylinder and the crushing and recovery of the molding sand.

[0019] 4. The molding sand removal device for automobile castings provided by the present invention is provided with an exhaust mechanism, which can crush the molding sand on the workpiece surface and supply air through the fan, thereby allowing the airflow to blow away the residual molding sand on the workpiece surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Other features, objects and advantages of the present invention will become more apparent upon reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0021] Figure 1 This is a schematic structural diagram of a molding sand removal device for automobile castings from a first perspective;

[0022] Figure 2 A schematic structural diagram of a molding sand removal device for automobile castings from a second perspective;

[0023] Figure 3 This is a schematic diagram of the structure of the clamping mechanism of a molding sand removal device for automobile castings;

[0024] Figure 4 This is a schematic structural diagram of the crushing mechanism of a molding sand removal device for automobile castings from a first perspective;

[0025] Figure 5 A schematic structural diagram of a crushing mechanism of a molding sand removal device for automobile castings from a second perspective;

[0026] Figure 6 This is a partial schematic diagram of the crushing mechanism of a molding sand removal device for automobile castings.

[0027] Reference numerals

[0028] 1-Fixed frame 2-Mounting plate 3-Hydraulic lift

[0029] 4- clamping mechanism 5- crushing mechanism 101- third motor

[0030] 102- transmission belt 103- turning pile 104- turning rod

[0031] 105- lever 106- convex ball 201- fan

[0032] 202-trachea 203-connecting pipe 401-socket

[0033] 402-insertion rod 403-spring 404-movable pile

[0034] 405-Hydraulic push rod 406-Fixed bracket 407-First motor

[0035] 408- splint 409- clamp block 501- fixed seat

[0036] 502-second motor 503-first traction arm 504-second traction arm

[0037] 505-fixed plate 506-limiting groove 507-limiting frame

[0038] 508-limiting block 509-insertion tube 510-vibration mechanism

[0039] 511- Exhaust channel 512- Exhaust mechanism DETAILED DESCRIPTION

[0040] To make the objectives, technical solutions, and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Generally, the components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0041] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for protection, but merely represents selected embodiments of the present application. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments in the present application without creative work are within the scope of protection of the present application.

[0042] It should be noted that similar numbers and letters represent similar items in the following figures. Therefore, once an item is defined in one figure, it does not need to be further defined or explained in subsequent figures. In addition, all directional indications in this application (such as up, down, left, right, front, back, bottom...) are only used to explain the relative position relationship, movement, etc. between the components under a specific posture (as shown in the figures). If the specific posture changes, the directional indication will also change accordingly. Furthermore, the descriptions of "first", "second", etc. in the application are for descriptive purposes only and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features.

[0043] like Figures 1 to 6 As shown, this embodiment provides a molding sand removal device for automobile castings, the device includes a fixed frame 1, the upper inner wall of the fixed frame 1 is slidably connected to the mounting plate 2, the lower side of the mounting plate 2 is provided with a hydraulic lift 3, the upper end of the hydraulic lift 3 is in contact with the lower side of the mounting plate 2, the upper side of the mounting plate 2 is provided with a clamping mechanism 4, the front and rear sides of the fixed frame 1 are provided with a crushing mechanism 5, the clamping mechanism 4 includes a moving component and a rotatable clamping plate 408 on the moving component, the clamping plate 408 can perform translational and rotational movements with the support of the moving component, the crushing mechanism 5 includes a connecting component and an insert 509 on the connecting component, the insert 509 can perform translational movement from close to the middle of the fixed frame 1 to away from the middle of the fixed frame 1, an exhaust channel 511 is opened in the middle of the insert 509, the exhaust channel 511 is a channel running through both ends of the insert 509.

[0044] The movable assembly includes a socket 401, which is located on the lower side of the mounting plate 2. The outer wall of the socket 401 is fixedly connected to the lower side of the inner wall of the fixed frame 1. The upper side of the socket 401 is plugged with a plug rod 402. The interior of the socket 401 is slidably connected to the outer wall of the plug rod 402. The upper side of the socket 401 is fixedly connected with a spring 403. The upper end of the spring 403 is fixedly connected to the lower side of the mounting plate 2. A movable groove is provided in the middle of the mounting plate 2. A movable pile 404 is slidably connected to the inner wall of the movable groove. A circular hole is provided in the middle of the movable pile 404. One end of the movable pile 404 is fixedly connected to the inner wall of the movable groove. A hydraulic push rod 405 is fixedly connected to the side, and the other end of the hydraulic push rod 405 is fixedly connected to the upper surface of the mounting plate 2. The outer wall of the movable pile 404 is located on one side of the hydraulic push rod 405 and is fixedly connected to a fixing frame 406. The inner wall of the fixing frame 406 is fixedly connected to a first motor 407. The output end of the first motor 407 extends through the circular hole to the side of the movable pile 404 close to the middle of the fixed frame 1. The output end of the first motor 407 is fixedly connected to the outer wall of the clamping plate 408. The outer wall of the clamping plate 408 is fixedly connected to the side close to the middle of the fixed frame 1 with a clamping block 409;

[0045] When in use, the mounting plate 2 can be lifted to a suitable height by starting the hydraulic lift 3, and then the workpiece can be hoisted to the middle of the fixed frame 1. At this time, the hydraulic push rod 405 is started to push the moving pile 404 to move. The synchronous movement of the moving piles 404 on both sides will drive the fixed frame 406, the first motor 407, the clamping plate 408, and the clamping block 409 to move synchronously, so that the clamping blocks 409 on both sides clamp the workpiece in the middle, so that the workpiece is fixed. Then the first motor 407 is started to drive the clamping plate 408 and the clamping block 409 to rotate. At this time, the workpiece rotates with the clamping plate 408, and the larger molding sand blocks on the surface of the workpiece can be dropped;

[0046] While the first motor 407 drives the clamping plate 408 and the clamping block 409 to rotate, the uneven weight of the workpiece causes the clamping mechanism 4 and the mounting plate 2 to shake under the elastic support of the spring 403 during the rotation, thereby further shaking off the molding sand on the surface of the workpiece;

[0047] The connecting assembly includes a fixing seat 501, the outer wall of the fixing seat 501 is fixedly connected to the outer wall of the fixing frame 1, the inner wall of the fixing seat 501 is fixedly connected to the second motor 502, the output end of the second motor 502 is fixedly connected to the first traction arm 503, the upper side of the first traction arm 503 is provided with a socket, the inner side of the socket is slidably connected to the second traction arm 504, the upper end of the second traction arm 504 is hinged with a fixing plate 505, the lower side of the fixing plate 505 is provided with a limiting groove 506, the inner wall of the limiting groove 506 is slidably connected to the limiting frame 507, and the limiting The other end of the positioning frame 507 is fixedly connected to the outer wall of the fixed frame 1, and the upper surface of the fixed plate 505 is fixedly connected to the limiting block 508. A mounting hole is opened in the middle of the limiting block 508, and the inner wall of the mounting hole is fixedly connected to the outer wall of the insert 509. A vibration mechanism 510 is provided on the upper side of the insert 509. The crushing mechanism 5 also includes an exhaust mechanism 512. The insert 509 is made of elastic metal material, and the end of the insert 509 close to the middle of the fixed frame 1 is pointed, and the front and rear lengths of the insert 509 are greater than the front and rear lengths of the fixed plate 505.

[0048] After the modeling sand on the workpiece surface is removed, the workpiece is rotated to a suitable angle and then stopped. The second motor 502 can be started to drive the first traction arm 503 to rotate, and then the first traction arm 503 pulls the fixing plate 505 to move through the second traction arm 504. Since the fixing plate 505 is restricted in its movement trajectory by the limit frame 507, the fixing plate 505 will be inserted into the gap inside the workpiece with the limit block 508 and the inserting tube 509, so that the modeling sand inside the gap of the workpiece is crushed, which is convenient for later removal.

[0049] The vibration mechanism 510 includes a third motor 101, the outer wall of the third motor 101 is fixedly connected to the lower inner wall of the fixed plate 505, the output end of the third motor 101 is sleeved with a transmission belt 102, the upper surface of the fixed plate 505 is fixedly connected to a rotating pile 103, the inner wall of the rotating pile 103 is rotatably connected to a rotating rod 104 through a bearing, the upper side of the transmission belt 102 is sleeved on the outer wall of the rotating rod 104, the outer wall of the rotating rod 104 is connected to the output end of the third motor 101 through the transmission belt 102, and one side of the outer wall of the rotating rod 104 is fixedly connected to a lever 105, and the vibration mechanism 510 also includes a convex ball 106, the outer wall of the convex ball 106 is fixedly connected to the upper surface of the insert tube 509; the force of the third motor 101 driving the rotating rod 104 to rotate through the transmission belt 102 is greater than the force required for the deformation of the insert tube 509, and the distance between the outer wall of the rotating rod 104 and the outer wall of the insert tube 509 is less than the sum of the front and rear side lengths of the lever 105 and the radius of the convex ball 106;

[0050] While the fixed plate 505 drives the insert cylinder 509 to move, the third motor 101 can be started, so that the third motor 101 drives the rotating rod 104 to rotate through the transmission of the transmission belt 102, and then the rotating rod 104 drives the shifting rod 105 to rotate. Since the shifting rod 105 rotates, it shifts the convex ball 106, which makes the insert cylinder 509 vibrate during the movement, making it easier for the sharp end to be inserted into the interior of the molding sand, making it easier to discharge, and the solid molding sand inside can be shaken apart for subsequent recovery;

[0051] The exhaust mechanism 512 includes a fan 201, the outer wall of the fan 201 is fixedly connected to the outer wall of the fixed frame 1, the output end of the fan 201 is fixedly connected to the air pipe 202, the other end of the air pipe 202 is fixedly connected to the connecting pipe 203, the outer wall of the connecting pipe 203 is fixedly connected to the upper side of the outer wall of the fixed plate 505, the outer wall of the connecting pipe 203 is fixedly connected to one end of the insert 509, the interior of the insert 509 is connected to the interior of the connecting pipe 203, and the interior of the connecting pipe 203 is connected to the output end of the fan 201 through the air pipe 202;

[0052] When the fixing plate 505 is inserted into the molding sand, the fan 201 is started to exhaust air through the air pipe 202 and the connecting pipe 203. The air flow is quickly blown into the gap inside the workpiece through the insert tube 509, so that the molding sand inside the gap of the workpiece is blown out by the air flow, thereby preventing the molding sand from clogging the small corners of the workpiece. The air flow is quickly discharged into the molding sand. Due to the sharp increase in air pressure, the inside of the molding sand will suddenly break, making it easier for the insert tube 509 to penetrate, thereby facilitating the discharge of the molding sand. The air flow discharged by the fan 201 can quickly cool down the inner wall of the molding sand crack broken by the insert tube 509, thereby accelerating its cracking degree, and creating a temperature difference between the workpiece temperature and the molding sand temperature, making it easy for the molding sand to detach.

[0053] The above describes the specific embodiments of the present invention. Based on the above description, relevant personnel can make various changes and modifications without departing from the scope of the technical concept of this invention.

Claims

1. A molding sand removal device for automobile castings, comprising a fixed frame (1), characterized in that: The upper inner wall of the fixed frame (1) is slidably connected to a mounting plate (2), a hydraulic lift (3) is provided on the lower side of the mounting plate (2), the upper end of the hydraulic lift (3) is in contact with the lower side of the mounting plate (2), a clamping mechanism (4) is provided on the upper side of the mounting plate (2), and a crushing mechanism (5) is provided on both the front and rear sides of the fixed frame (1); The clamping mechanism (4) comprises a moving assembly and a rotatable clamping plate (408) on the moving assembly, wherein the clamping plate (408) can perform translational and rotational motions under the support of the moving assembly; The crushing mechanism (5) comprises a connecting assembly and an insert (509) on the connecting assembly, wherein the insert (509) is capable of performing a translational movement from a position close to the middle of the fixed frame (1) to a position away from the middle of the fixed frame (1), and an exhaust passage (511) is provided in the middle of the insert (509), and the exhaust passage (511) passes through both ends of the insert (509); A vibration mechanism (510) is provided on the upper side of the insert (509), and the crushing mechanism (5) further includes an exhaust mechanism (512).

2. The molding sand removal device for automobile castings according to claim 1, characterized in that: The movable assembly comprises a socket (401), the socket (401) being located at the lower side of the mounting plate (2), the outer wall of the socket (401) being fixedly connected to the lower side of the inner wall of the fixed frame (1), the upper side of the socket (401) being plugged with an insertion rod (402), the interior of the socket (401) being slidably connected to the outer wall of the insertion rod (402), the upper side of the socket (401) being fixedly connected with a spring (403), the upper end of the spring (403) being fixedly connected to the lower side of the mounting plate (2), a movable groove being provided in the middle of the mounting plate (2), a movable pile (404) being slidably connected to the inner wall of the movable groove, a circular hole being provided in the middle of the movable pile (404), and the movable pile (404) being fixedly connected to the lower side of the mounting plate (2). A hydraulic push rod (405) is fixedly connected to one side of the movable pile (404), and the other end of the hydraulic push rod (405) is fixedly connected to the upper surface of the mounting plate (2). The outer wall of the movable pile (404) is located on one side of the hydraulic push rod (405) and is fixedly connected to a fixing frame (406). The inner wall of the fixing frame (406) is fixedly connected to a first motor (407). The output end of the first motor (407) passes through the circular hole and extends to a side of the movable pile (404) close to the middle of the fixing frame (1). The output end of the first motor (407) is fixedly connected to the outer wall of the clamping plate (408), and a clamping block (409) is fixedly connected to one side of the outer wall of the clamping plate (408) close to the middle of the fixing frame (1).

3. The molding sand removal device for automobile castings according to claim 1, characterized in that: The connecting assembly comprises a fixing seat (501), the outer wall of the fixing seat (501) is fixedly connected to the outer wall of the fixing frame (1), the inner wall of the fixing seat (501) is fixedly connected to a second motor (502), the output end of the second motor (502) is fixedly connected to a first traction arm (503), a socket is provided on the upper side of the first traction arm (503), the interior of the socket is slidably connected to a second traction arm (504), and the upper end of the second traction arm (504) is hinged. A fixing plate (505) is connected, a limiting groove (506) is provided on the lower side of the fixing plate (505), the inner wall of the limiting groove (506) is slidably connected to a limiting frame (507), the other end of the limiting frame (507) is fixedly connected to the outer wall of the fixing frame (1), the upper surface of the fixing plate (505) is fixedly connected to a limiting block (508), a mounting hole is provided in the middle of the limiting block (508), and the inner wall of the mounting hole is fixedly connected to the outer wall of the insert (509).

4. The molding sand removal device for automobile castings according to claim 1, characterized in that: The insert tube (509) is made of elastic metal, and one end of the insert tube (509) close to the middle of the fixed frame (1) is pointed, and the front and rear lengths of the insert tube (509) are greater than the front and rear lengths of the fixed plate (505).

5. The molding sand removal device for automobile castings according to claim 1, characterized in that: The vibration mechanism (510) includes a third motor (101), the outer wall of the third motor (101) is fixedly connected to the lower inner wall of the fixed plate (505), the output end of the third motor (101) is sleeved with a transmission belt (102), the upper surface of the fixed plate (505) is fixedly connected to a rotating pile (103), the inner wall of the rotating pile (103) is rotatably connected to a rotating rod (104) through a bearing, the upper side of the transmission belt (102) is sleeved on the outer wall of the rotating rod (104), the outer wall of the rotating rod (104) is transmission-connected to the output end of the third motor (101) through the transmission belt (102), and one side of the outer wall of the rotating rod (104) is fixedly connected to a shifting rod (105). The vibration mechanism (510) also includes a convex ball (106), the outer wall of the convex ball (106) is fixedly connected to the upper surface of the inserting tube (509).

6. The molding sand removal device for automobile castings according to claim 5, characterized in that: The force of the third motor (101) driving the rotating rod (104) to rotate via the transmission belt (102) is greater than the force required for the deformation of the insert cylinder (509), and the distance between the outer wall of the rotating rod (104) and the outer wall of the insert cylinder (509) is less than the sum of the front and rear side lengths of the shifting rod (105) and the radius of the convex ball (106).

7. The molding sand removal device for automobile castings according to claim 1, characterized in that: The exhaust mechanism (512) comprises a fan (201), the outer wall of the fan (201) is fixedly connected to the outer wall of the fixed frame (1), the output end of the fan (201) is fixedly connected to an air pipe (202), the other end of the air pipe (202) is fixedly connected to a connecting pipe (203), the outer wall of the connecting pipe (203) is fixedly connected to the upper side of the outer wall of the fixed plate (505), the outer wall of the connecting pipe (203) is fixedly connected to one end of an insert (509), the interior of the insert (509) is connected to the interior of the connecting pipe (203), and the interior of the connecting pipe (203) is connected to the output end of the fan (201) through the air pipe (202).

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