Foundry molding sand recycling and impurity removing device

Abstract

The utility model relates to the technical field of foundry molding sand recovery, in particular to a foundry molding sand recovery and impurity removal device which is characterized in that a drying assembly is started to dry caked foundry molding sand, and then a crushing assembly is started to crush the dried molding sand; and then the recycled casting molding sand is discharged through the discharging assembly. Comprising a supporting frame, a shell, an arc-shaped filter screen, telescopic rods, springs, a vibration motor and fixing plates, the left end and the right end of the shell are each provided with a set of fixing plates, the multiple sets of telescopic rods are arranged between the fixing plates and the supporting frame, the outer side wall of each set of telescopic rods is sleeved with a set of springs, and the arc-shaped filter screen is installed in the shell; the device further comprises a drying assembly, a crushing assembly and a discharging assembly, the discharging assembly is arranged at the bottom end of the shell, the crushing assembly is installed in the shell on the inner side of the arc-shaped filter screen, the drying assembly is installed on the supporting frame, and the output end of the drying assembly extends into the shell.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of foundry sand recycling, in particular to a foundry sand recycling and impurity removing device. BACKGROUND

[0002] Foundry sand can be recycled after use, but due to the influence of humid environment, the foundry sand may become lumpy, and needs to be filtered during recycling.

[0003] In the prior art, a foundry sand recycling and impurity removing device is disclosed in patent document CN212884836U, which comprises a support ring and a sleeve. Two support columns are symmetrically and vertically fixed and welded on the top of the support ring, and a horizontal plate is horizontally and fixedly welded on the top of the two support columns. A ram is fixed and welded on the bottom of the horizontal plate. A sleeve is arranged between the two support columns, and two fixed blocks are symmetrically and fixedly welded on the left and right sides of the sleeve. A vibration motor is fixedly installed on the end of each fixed block away from the sleeve through a bolt.

[0004] During use, it is found that although the above device can crush the lumpy foundry sand, the crushed foundry sand is still humid, and there is still a risk of re-lumping after mixing with the sand. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides a foundry sand recycling and impurity removing device with drying and crushing functions.

[0006] The foundry sand recycling and impurity removing device comprises a support frame, a shell, an arc-shaped filter screen, an extension rod, a spring, a vibration motor and a fixed plate. One group of fixed plates is arranged at the left and right ends of the shell. A plurality of extension rods are arranged between the fixed plates and the support frame. One group of springs is sleeved on the outer side wall of each extension rod. An arc-shaped filter screen is installed in the shell. The device further comprises a drying assembly, a crushing assembly and a discharge assembly. The discharge assembly is arranged at the bottom end of the shell. The crushing assembly is installed inside the shell on the inner side of the arc-shaped filter screen. The drying assembly is installed on the support frame and extends into the shell. One group of vibration motors is installed at the top end of each fixed plate. During use, the foundry sand to be recycled is poured into the shell, and the two vibration motors are started to make the shell vibrate under the cooperation of the plurality of extension rods and the plurality of springs. The foundry sand with a particle size meeting the requirements passes through the arc-shaped filter screen and enters the shell. The lumpy foundry sand stays inside the arc-shaped filter screen. The drying assembly is started to dry the lumpy foundry sand. Then the crushing assembly is started to crush the dried sand. Finally, the recycled foundry sand is discharged through the discharge assembly.

[0007] Preferably, the crushing assembly comprises a support base, a motor, a rotating shaft and crushing rods, the motor is installed on the shell under cooperation of the support base, the rotating shaft is rotatably arranged in the shell, the motor output end is connected with one end of the rotating shaft, and a plurality of crushing rods are installed on the rotating shaft in the shell; the motor is started, so that the rotating shaft drives the plurality of crushing rods to rotate rapidly inside the arc-shaped filter screen, so that the crushing rods crush the dry agglomerated sand inside the arc-shaped filter screen, and the recovery efficiency is improved.

[0008] Preferably, the drying assembly comprises a mounting seat, a hot air machine, an air conveying pipe and an air outlet head, the hot air machine is installed on the support frame under cooperation of the mounting seat, the hot air machine output end is provided with the air conveying pipe, and the air conveying pipe output end extends to the shell interior and is provided with the air outlet head; the hot air machine is started, so that the hot air is conveyed to the shell interior through the air conveying pipe and the air outlet head, the hot air dries the moist agglomerated foundry sand inside the arc-shaped filter screen, and the occurrence of subsequent agglomeration is reduced.

[0009] Preferably, the shell further comprises a shaft pin, a cover plate and a handle, the cover plate is movably installed at the top end of the shell through the shaft pin, the handle is installed at the top end of the cover plate, the handle is provided with an exhaust hole, and the exhaust hole is provided with a dust filter screen; the handle is held by the worker, so that the cover plate is opened and closed under cooperation of the shaft pin, and the added foundry sand to be recovered is added.

[0010] Preferably, the discharging assembly comprises a discharging pipe and a discharging valve, the bottom end of the shell is provided with the discharging pipe, and the discharging pipe is provided with the discharging valve; the discharging valve is opened, so that the screened foundry sand is discharged through the discharging pipe, and the convenience is improved.

[0011] Preferably, the arc-shaped filter screen is made of stainless steel.

[0012] Preferably, the handle is further provided with a handle sleeve.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: when used, the foundry sand to be recovered is poured into the shell interior, two groups of vibration motors are started, so that the shell vibrates under cooperation of the plurality of telescopic rods and the plurality of springs, the foundry sand meeting the particle size requirement passes through the arc-shaped filter screen and enters the shell interior, the agglomerated foundry sand stays in the arc-shaped filter screen, the drying assembly is started, so that the agglomerated foundry sand is dried, then the crushing assembly is started, so that the crushing assembly crushes the dried sand, and then the recovered foundry sand is discharged through the discharging assembly. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the first axonometric structure schematic view of the utility model;

[0015] Figure 2 It is the second axonometric structure schematic view of the utility model;

[0016] Figure 3 is the explosion structure schematic view of the utility model;

[0017] Figure 4 is the enlarged structure schematic view of the hot air blower and the air outlet head structure etc.;

[0018] Figure 5 is the enlarged structure schematic view of the arc-shaped filter screen and the motor structure etc.

[0019] Marked in the drawing: 1, support frame; 2, shell; 3, arc-shaped filter screen; 4, telescopic rod; 5, spring; 6, vibration motor; 7, support seat; 8, motor; 9, rotating shaft; 10, crushing rod; 11, mounting seat; 12, hot air blower; 13, air conveying pipe; 14, air outlet head; 15, shaft pin; 16, cover plate; 17, handle; 18, discharge pipe; 19, discharge valve; 20, handle sleeve; 21, fixed plate. DETAILED DESCRIPTION

[0020] In order to facilitate understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. The utility model can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0021] Embodiment 1

[0022] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 5 , a cast sand recycling and impurity removing device of the utility model, including support frame 1, shell 2, arc-shaped filter screen 3, telescopic rod 4, spring 5, vibration motor 6 and fixed plate 21, the shell 2 left and right two ends are provided with a group of fixed plate 21 respectively, and a plurality of telescopic rods 4 are arranged between the fixed plate 21 and the support frame 1, the outer side wall of each telescopic rod 4 is respectively sleeved with a group of springs 5, the arc-shaped filter screen 3 is installed in the shell 2, further including drying assembly, crushing assembly and discharge assembly, the shell 2 bottom end is provided with discharge assembly, and the crushing assembly is installed in the inside of the shell 2 on the inner side of the arc-shaped filter screen 3, the support frame 1 is installed with drying assembly, and the output end of the drying assembly extends to the inside of the shell 2, and each fixed plate 21 top end is respectively installed with a group of vibration motors 6;

[0023] As shown in Figure 3 and Figure 5As shown, the crushing assembly includes a support seat 7, a motor 8, a rotating shaft 9 and a crushing rod 10, the motor 8 is installed on the shell 2 under the cooperation of the support seat 7, the rotating shaft 9 is rotatably arranged inside the shell 2, the output end of the motor 8 is connected with one end of the rotating shaft 9, and a plurality of crushing rods 10 are installed on the rotating shaft 9 inside the shell 2.

[0024] In this embodiment, when in use, the cast molding sand to be recycled is poured into the inside of the shell 2, the two sets of vibration motors 6 are started, so that the shell 2 vibrates under the cooperation of the plurality of telescopic rods 4 and the plurality of springs 5, the cast molding sand meeting the particle size passes through the arc-shaped filter screen 3 into the inside of the shell 2, and the caked cast molding sand stays inside the arc-shaped filter screen 3, the drying assembly is started, so that the caked cast molding sand is dried, and the motor 8 is started, so that the rotating shaft 9 drives the plurality of crushing rods 10 to rotate rapidly inside the arc-shaped filter screen 3, so that the crushing rods 10 crush the dried caked molding sand inside the arc-shaped filter screen 3, and then the recycled cast molding sand is discharged through the discharging assembly.

[0025] Embodiment 2

[0026] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 5 , the cast molding sand recycling and impurity removing device comprises a support frame 1, a shell 2, an arc-shaped filter screen 3, a telescopic rod 4, a spring 5, a vibration motor 6 and a fixed plate 21, one set of fixed plate 21 is arranged at the left and right ends of the shell 2, a plurality of telescopic rods 4 are arranged between the fixed plate 21 and the support frame 1, one set of spring 5 is sleeved on the outer side wall of each telescopic rod 4, the arc-shaped filter screen 3 is installed inside the shell 2, and the cast molding sand recycling and impurity removing device further comprises a drying assembly, a crushing assembly and a discharging assembly, the discharging assembly is arranged at the bottom end of the shell 2, the crushing assembly is installed inside the shell 2 on the inside of the arc-shaped filter screen 3, the drying assembly is installed on the support frame 1 and extends to the inside of the shell 2, and one set of vibration motor 6 is installed at the top end of each fixed plate 21.

[0027] As shown in Figure 3 and Figure 5 , the crushing assembly includes a support seat 7, a motor 8, a rotating shaft 9 and a crushing rod 10, the motor 8 is installed on the shell 2 under the cooperation of the support seat 7, the rotating shaft 9 is rotatably arranged inside the shell 2, the output end of the motor 8 is connected with one end of the rotating shaft 9, and a plurality of crushing rods 10 are installed on the rotating shaft 9 inside the shell 2;

[0028] As shown in Figure 1 , Figure 3 and Figure 4As shown, the drying assembly comprises a mounting seat 11, a hot air machine 12, an air conveying pipe 13 and an air outlet head 14, the hot air machine 12 is mounted on the support frame 1 under the cooperation of the mounting seat 11, the output end of the hot air machine 12 is provided with the air conveying pipe 13, the output end of the air conveying pipe 13 extends to the inside of the shell 2 and is provided with the air outlet head 14;

[0029] Further comprising a shaft pin 15, a cover plate 16 and a handle 17, the cover plate 16 is movably mounted at the top end of the shell 2 through the shaft pin 15, the handle 17 is mounted at the top end of the cover plate 16, the handle 17 is provided with an exhaust hole, and a dust filter screen is mounted on the exhaust hole;

[0030] The discharging assembly comprises a discharging pipe 18 and a discharging valve 19, the bottom end of the shell 2 is provided with the discharging pipe 18, and the discharging valve 19 is mounted on the discharging pipe 18;

[0031] Further comprising a handle sleeve 20, the handle 17 is sleeved with the handle sleeve 20.

[0032] In the embodiment, when in use, the cast molding sand to be recycled is poured into the inside of the shell 2, the two sets of vibration motors 6 are started, so that the shell 2 vibrates under the cooperation of the multiple sets of telescopic rods 4 and the multiple sets of springs 5, the cast molding sand meeting the particle size is filtered through the arc-shaped filter screen 3 into the inside of the shell 2, and the caked cast molding sand stays in the arc-shaped filter screen 3, the hot air machine 12 is started, so that the hot air is conveyed to the inside of the shell 2 through the air conveying pipe 13 and the air outlet head 14, the hot air dries the moist caked cast molding sand on the inside of the arc-shaped filter screen 3, the motor 8 is started, so that the rotating shaft 9 drives the multiple sets of crushing rods 10 to rotate rapidly on the inside of the arc-shaped filter screen 3, so that the crushing rods 10 crush the caked cast molding sand dried on the inside of the arc-shaped filter screen 3, and the discharging valve 19 is opened, so that the screened cast molding sand is discharged out of the discharging pipe 18.

[0033] The vibration motor 6, the motor 8 and the hot air machine 12 of the cast molding sand recycling and impurity removing device are purchased on the market, and the technical personnel in the industry only needs to install and operate according to the attached instruction manual, without the creative labor of the technical personnel in the field.

[0034] The preferred embodiments of the utility model are described above, and it should be pointed out that, for ordinary technical personnel in the technical field, a number of improvements and modifications can be made without departing from the technical principles of the utility model, and these improvements and modifications should also be regarded as the protection range of the utility model.

Claims

1. A casting sand recycling and impurity removing device, comprising a support frame (1), a shell (2), an arc-shaped filter screen (3), telescopic rods (4), springs (5), a vibration motor (6) and fixing plates (21), a group of fixing plates (21) are arranged at the left and right ends of the shell (2) respectively, a plurality of groups of telescopic rods (4) are arranged between the fixing plates (21) and the support frame (1), a group of springs (5) is respectively sleeved on the outer side wall of each group of telescopic rods (4), and the arc-shaped filter screen (3) is installed in the shell (2), characterized in that, The shell (2) is provided with a drying assembly, a crushing assembly and a discharging assembly, the discharging assembly is arranged at the bottom end of the shell (2), the crushing assembly is arranged inside the shell (2) on the inner side of the arc-shaped filter screen (3), the drying assembly is arranged on the support frame (1), and the output end of the drying assembly extends into the shell (2); a vibration motor (6) is arranged at the top end of each fixed plate (21).

2. The molding sand recycling and impurity removing apparatus according to claim 1, wherein The crushing assembly comprises a support base (7), a motor (8), a rotating shaft (9) and crushing rods (10), the motor (8) is arranged on the shell (2) in cooperation with the support base (7), the rotating shaft (9) is rotatably arranged in the shell (2), the output end of the motor (8) is connected to one end of the rotating shaft (9), and a plurality of crushing rods (10) are arranged on the rotating shaft (9) in the shell (2).

3. The molding sand recycling and impurity removing apparatus according to claim 2, wherein The drying assembly comprises a mounting base (11), a hot air machine (12), an air conveying pipe (13) and an air outlet head (14), the hot air machine (12) is arranged on the support frame (1) in cooperation with the mounting base (11), the output end of the hot air machine (12) is provided with the air conveying pipe (13), and the air conveying pipe (13) extends into the shell (2) and is provided with the air outlet head (14).

4. The molding sand recycling and impurity removing apparatus according to claim 1, wherein The shell (2) is provided with a shaft pin (15), a cover plate (16) and a handle (17), the cover plate (16) is movably arranged at the top end of the shell (2) through the shaft pin (15), the handle (17) is arranged at the top end of the cover plate (16), the handle (17) is provided with an air exhaust hole, and a dust filter screen is arranged on the air exhaust hole.

5. The molding sand recycling and impurity removing apparatus according to claim 1, wherein The discharging assembly comprises a discharging pipe (18) and a discharging valve (19), the discharging pipe (18) is arranged at the bottom end of the shell (2), and the discharging valve (19) is arranged on the discharging pipe (18).

6. The molding sand recycling and impurity removing apparatus according to claim 1, wherein The arc-shaped filter screen (3) is made of stainless steel.

7. The molding sand recycling and impurity removing apparatus according to claim 4, wherein The handle (17) is provided with a handle sleeve (20). The handle (17) is provided with a handle sleeve (20).

Images