Valve casting molding sand crushing, screening and recycling device

Abstract

The utility model discloses a valve casting molding sand crushing, screening and recycling device, and relates to the field of molding sand recycling. The molding sand recycling device comprises a crushing unit, a recycling unit is arranged below the crushing unit, the crushing unit comprises a feeding port and a crushing box, the feeding port is fixedly connected to the crushing box, the recycling unit comprises a screening box, a recycling box and a vibration assembly, and the screening box is arranged below the crushing box; the recycling box is fixedly connected to the bottom of the screening box, and the vibration assembly is arranged at the bottom of the recycling box. According to the molding sand recycling device, the vibration assembly is arranged, so that the recycling box, the filter screen and the screening box vibrate, impurities move in the screening box in one direction until the impurities are discharged into the impurity pool, the filter screen is prevented from being blocked by the impurities, and molding sand is prevented from moving in one direction in the recycling box until the molding sand is discharged into the molding sand collecting pool; impurities can be rapidly discharged, the filter screen is prevented from being blocked, and the molding sand recycling efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of molding sand recycling, in particular to a valve casting molding sand crushing, screening and recycling device. Background Art

[0002] Valves are control components in fluid delivery systems, with functions such as shutoff, regulation, flow diversion, backflow prevention, pressure stabilization, flow diversion or overflow pressure relief. From the simplest shutoff valve to the various valves used in extremely complex automatic control systems, there are many varieties and specifications. In order to ensure working performance, valves have very strict requirements on size and shape, which are generally achieved through casting.

[0003] Valve casting sand is a material used for molding in casting and is extremely important in casting production. After the casting is molded and demolded, the molding sand needs to be recycled, but the used molding sand will form a block and be mixed with iron slag and steel slag.

[0004] Some existing molding sand recovery equipment can break up the molding sand and filter out impurities, but during long-term use, the molding sand and impurities are easily accumulated on the filter net, causing the filter net to be blocked, which can easily lead to low molding sand screening and recovery efficiency. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a valve casting sand crushing, screening and recycling device, which solves the problem that some existing sand recovery molding sand and impurities are easily accumulated on the filter screen, causing the filter screen to be blocked.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a valve casting sand crushing, screening and recycling device, including a crushing unit, a recovery unit is arranged below the crushing unit, the crushing unit includes a feeding port and a crushing box, the feeding port is fixedly connected to the crushing box, the recovery unit includes a screening box, a recovery box and a vibration assembly, the screening box is arranged below the crushing box, the recovery box is fixedly connected to the bottom of the screening box, and the vibration assembly is arranged at the bottom of the recovery box.

[0007] Preferably, the vibration assembly includes a connecting seat, a plurality of fixed blocks, a rotating disk and a protruding block, the connecting seat is fixedly connected to the bottom of the recovery box, the plurality of fixed blocks are fixedly connected to the lower surface of the connecting seat, the rotating disk is arranged at a lower position of the connecting seat, the protruding block is fixedly connected to the upper surface of the rotating disk, and the protruding block is movably opposed to the plurality of fixed blocks.

[0008] Preferably, the crushing unit comprises a flexible connecting pipe and a support rod, the top of the flexible connecting pipe is fixedly connected to the bottom of the crushing box, and the bottom of the flexible connecting pipe is fixedly connected to the top of the screening box, and one end of the support rod is fixedly connected to one side of the crushing box.

[0009] Preferably, the recycling unit further includes a filter screen, which is fixedly connected to the connection between the screening box and the recycling box, and the filter screen is in an arched shape.

[0010] Preferably, one side of the screening box is fixedly connected with a discharge port, and both sides of the recycling box are fixedly connected with discharge openings.

[0011] Preferably, the vibration assembly further includes a motor and a plurality of buffer springs. The motor is arranged below the rotating disk, and the output end of the motor is fixedly connected to the rotating disk. The plurality of buffer springs are movably arranged at the bottom of the recycling box.

[0012] Preferably, the recycling unit further includes a miscellaneous material pool, a plurality of molding sand collection pools and a protective shell. The miscellaneous material pool is arranged below the discharge port, the molding sand collection pools are arranged below the discharge openings, and the protective shell is arranged outside the vibration assembly and is fixedly connected to the bottom of the recycling box.

[0013] The utility model discloses a valve casting molding sand crushing, screening and recycling device, and the beneficial effects thereof are as follows: By arranging a vibration assembly, the motor rotates to drive the rotating disk to rotate, thereby driving the convex blocks to continuously squeeze the fixed blocks, so that the recycling box, the filter screen and the screening box vibrate, enabling impurities to move in one direction in the screening box until the impurities are discharged from the discharge port into the miscellaneous material pool, avoiding the blockage of the filter screen by impurities, and enabling molding sand to move in one direction in the recycling box until the molding sand is discharged from the discharge opening into the molding sand collection pool, which can not only quickly discharge impurities, avoid the blockage of the filter screen, but also improve the molding sand recycling efficiency; By arranging buffer springs, a buffering effect is achieved during the vibration of the whole device, thereby protecting the whole device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model, and for those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0015] Figure 1 It is a schematic structural diagram of the present utility model;

[0016] Figure 2 It is a schematic diagram of the connection of each structure of the present utility model;

[0017] Figure 3 It is a schematic structural diagram of the vibration assembly of the present utility model.

[0018] In the figure: 1. Crushing unit; 101. Feeding port; 102. Crushing box; 103. Flexible connecting pipe; 104. Support rod; 2. Recycling unit; 201. Screening box; 2011. Discharge port; 202. Filter screen; 203. Recycling box; 2031. Discharge opening; 204. Vibration assembly; 2041. Connecting seat; 2042. Fixed block; 2043. Rotating disk; 2044. Protruding block; 2045. Motor; 2046. Buffer spring; 205. Miscellaneous material pool; 206. Molding sand collection pool; 207. Protective shell. Detailed implementation mode

[0019] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the specification drawings and specific implementation modes.

[0020] An embodiment of the utility model discloses a device for crushing, screening and recycling valve casting molding sand. According to the attached Figures 1-3 As shown in the figure, it includes a crushing unit 1, and a recycling unit 2 is arranged below the crushing unit 1. The crushing unit 1 includes a feeding port 101 and a crushing box 102. The feeding port 101 is fixedly connected to the crushing box 102. The recycling unit 2 includes a screening box 201, a recycling box 203 and a vibration assembly 204. The screening box 201 is arranged below the crushing box 102. The recycling box 203 is fixedly connected to the bottom of the screening box 201. The vibration assembly 204 is arranged at the bottom of the recycling box 203.

[0021] Specifically disclosed, the vibration assembly 204 includes a connecting seat 2041, a plurality of fixed blocks 2042, a rotating disk 2043 and a protruding block 2044. The connecting seat 2041 is fixedly connected to the bottom of the recycling box 203. The plurality of fixed blocks 2042 are fixedly connected to the lower surface of the connecting seat 2041. The rotating disk 2043 is arranged below the connecting seat 2041. The protruding block 2044 is fixedly connected to the upper surface of the rotating disk 2043. The protruding block 2044 is in movable contact with the plurality of fixed blocks 2042. The distances from the center of the protruding block 2044 and the plurality of fixed blocks 2042 to the center of the turntable are equal.

[0022] Furthermore, the crushing unit 1 includes a flexible connecting pipe 103 and a support rod 104. The top of the flexible connecting pipe 103 is fixedly connected to the bottom of the crushing box 102, and the bottom of the flexible connecting pipe 103 is fixedly connected to the top of the screening box 201. By setting the flexible connecting pipe 103, the operation of the recycling unit 2 does not affect the crushing of the crushing unit 1 during the working process, so that the two units do not affect each other. One end of the support rod 104 is fixedly connected to one side of the crushing box 102.

[0023] Specifically disclosed, the recycling unit 2 further includes a filter screen 202, the filter screen 202 is fixedly connected to the connection between the screening box 201 and the recycling box 203, and the shape of the filter screen 202 is arched, so that the filtered impurities move around, making it easier for the impurities to be discharged from the discharge port 2011.

[0024] Furthermore, a discharge port 2011 is fixedly connected to one side of the screening box 201, discharge ports 2031 are fixedly connected to both sides of the recycling box 203, and the inner bottom of the recycling box 203 is a convex slope, so that the molding sand particles slide around, making it easier for the molding sand particles to be discharged from the discharge ports 2031.

[0025] Furthermore, the vibration assembly 204 further includes a motor 2045 and a plurality of buffer springs 2046. The motor 2045 is arranged below the rotating disk 2043, and the output end of the motor 2045 is fixedly connected to the rotating disk 2043. The plurality of buffer springs 2046 are movably arranged at the bottom of the recycling box 203. By arranging the buffer springs 2046, it plays a buffering role in the vibration process of the whole device, and thus protects the whole device.

[0026] Furthermore, the recycling unit 2 further includes a miscellaneous material pool 205, a plurality of molding sand collection pools 206 and a protective shell 207. The miscellaneous material pool 205 is arranged at the lower position of the discharge port 2011, the molding sand collection pools 206 are arranged at the lower part of the discharge ports 2031, and the protective shell 207 is arranged outside the vibration assembly 204, and the protective shell 207 is fixedly connected to the bottom of the recycling box 203.

[0027] Working principle: First, the agglomerated molding sand is put into the crushing box 102 from the feeding port 101. The crushed molding sand enters the screening box 201 through the flexible connecting pipe 103. The molding sand particles fall into the recycling box 203 from the filter screen 202. Then, the motor 2045 is turned on. The motor 2045 drives the rotating disk 2043 to rotate, and then drives the raised blocks 2044 to continuously squeeze the fixed blocks 2042, so that the screening box 201, the filter screen 202 and the recycling box 203 vibrate all the time. At this time, the impurities on the filter screen 202 move along the vibration direction to the discharge port 2011 and enter the miscellaneous material pool 205. The inner bottom of the recycling box 203 is a convex slope, so that the molding sand particles slide around. The molding sand particles then move along the vibration direction to the discharge ports 2031 and enter the molding sand collection pools 206 to complete the recycling again.

[0028] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and the description in the specification only illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A valve casting molding sand crushing, screening and recycling device, comprising a crushing unit (1), characterized in that, A recovery unit (2) is arranged below the crushing unit (1). The crushing unit (1) includes a feeding port (101) and a crushing box (102), and the feeding port (101) is fixedly connected to the crushing box (102). The recovery unit (2) includes a screening box (201), a recovery box (203) and a vibration assembly (204). The screening box (201) is arranged below the crushing box (102). The recovery box (203) is fixedly connected to the bottom of the screening box (201), and the vibration assembly (204) is arranged at the bottom of the recovery box (203). The vibration assembly (204) includes a connecting seat (2041), a plurality of fixing blocks (2042), a rotating disk (2043) and a protruding block (2044). The connecting seat (2041) is fixedly connected to the bottom of the recovery box (203). The plurality of fixing blocks (2042) are fixedly connected to the lower surface of the connecting seat (2041). The rotating disk (2043) is arranged below the connecting seat (2041). The protruding block (2044) is fixedly connected to the upper surface of the rotating disk (2043), and the protruding block (2044) is in movable contact with the plurality of fixing blocks (2042).

2. The valve casting molding sand crushing, screening and recycling device according to claim 1, characterized in that, The crushing unit (1) further includes a flexible connecting pipe (103) and a support rod (104). The top of the flexible connecting pipe (103) is fixedly connected to the bottom of the crushing box (102), and the bottom of the flexible connecting pipe (103) is fixedly connected to the top of the screening box (201). One end of the support rod (104) is fixedly connected to one side of the crushing box (102).

3. The valve casting molding sand crushing, screening and recycling device according to claim 1, characterized in that, The recovery unit (2) further includes a filter screen (202). The filter screen (202) is fixedly connected to the connection part between the screening box (201) and the recovery box (203), and the shape of the filter screen (202) is arched.

4. A valve casting molding sand crushing, screening and recycling device according to claim 1, characterized in that, A discharge port (2011) is fixedly connected to one side of the screening box (201), and discharge openings (2031) are fixedly connected to both sides of the recovery box (203).

5. A valve casting molding sand crushing, screening and recycling device according to claim 1, characterized in that, The vibration assembly (204) further includes a motor (2045) and a plurality of buffer springs (2046). The motor (2045) is arranged below the rotating disk (2043), and the output end of the motor (2045) is fixedly connected to the rotating disk (2043). The plurality of buffer springs (2046) are movably arranged at the bottom of the recovery box (203).

6. The valve casting molding sand crushing, screening and recycling device according to claim 4, characterized in that, The recovery unit (2) further includes a miscellaneous material pool (205), a plurality of molding sand collection pools (206) and a protective shell (207). The miscellaneous material pool (205) is arranged below the discharge port (2011). The molding sand collection pools (206) are arranged below the discharge openings (2031). The protective shell (207) is arranged outside the vibration assembly (204), and the protective shell (207) is fixedly connected to the bottom of the recovery box (203).

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