CN215786537U - Dustless collection device of molding sand - Google Patents
Dustless collection device of molding sand Download PDFInfo
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- CN215786537U CN215786537U CN202121681254.6U CN202121681254U CN215786537U CN 215786537 U CN215786537 U CN 215786537U CN 202121681254 U CN202121681254 U CN 202121681254U CN 215786537 U CN215786537 U CN 215786537U
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Abstract
The utility model provides a molding sand dust-free collecting device, wherein a bottom bin is arranged at the lower part of a base, and a conveyor belt penetrates through the bottom bin. The base is provided with a sand falling cavity corresponding to the extrusion bin. The extrusion bin comprises a left bin body, a right bin body and an elastic wall connected between the front side and the rear side of the two bin bodies. The left bin body and the right bin body can be close to and far away from each other, and when the left bin body and the right bin body are close to and far away from each other, the cover body on the left bin body and the right bin body can be folded and unfolded correspondingly. The lower parts of the left and right bin bodies are provided with support rods and jacks which are in one-to-one correspondence with the support rods. And curtain cloth units which are opposite to each other left and right are arranged between the front wall plate and the rear wall plate of the bottom bin. The elastic curtain in the curtain unit can be selectively contacted with and separated from the belt surface of the conveying belt. The base is provided with an air duct communicated with the shakeout cavity, and one end of the air duct is correspondingly matched with a fan. This patent has improved the molding sand and has collected the excessive problem that is showing of raise dust, causes the pollution, causes harm to workman's health to workshop environment in the operation.
Description
Technical Field
The utility model relates to the technical field of molding sand casting, in particular to a molding sand dust-free collecting device.
Background
In the field of mechanical casting, molding sand is used for molding. To reduce production costs, the sand is typically collected for reuse. After casting, the used molding sand is agglomerated into large blocks, so that the large blocks of molding sand need to be crushed before recycling and then sent to a crushing device for crushing treatment.
In the conventional sand reclamation process, when massive molding sand is crushed, overflow of sand dust always occurs, workshop pollution is caused, the working environment of workers is deteriorated, and the physical health of the workers is harmed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a molding sand dust-free collecting device, which aims to solve the problems that raised dust overflows obviously, workshop environment is polluted, and the body health of workers is damaged in the molding sand collecting operation.
Therefore, the technical scheme of the utility model is that the molding sand dust-free collecting device comprises a base, a conveyor belt, an extrusion bin arranged at the upper part of the base and a bottom bin arranged at the lower part of the base.
The conveyor belt passes through the front wall plate and the rear wall plate of the bottom bin.
A sand falling cavity is formed on the base and correspondingly below the extrusion bin; the conveying belt passes through the lower part of the sand falling cavity.
The extrusion bin comprises a left bin body, a right bin body and elastic walls connected to the front side and the rear side of the left bin body and the right bin body. The base is provided with a driving unit which can drive the left bin body and the right bin body to approach to each other and to be away from each other.
The elastic wall is in a spring-shaped folded state, so that when the left bin body and the right bin body are close to each other and far away from each other along the left-right direction, the elastic wall can be correspondingly folded and unfolded.
The upper end surfaces of the left bin body and the right bin body are provided with grooves which are matched with a cover body capable of being folded and unfolded in the left and right directions. The cover body is inserted into the groove, and the cover body can be correspondingly folded and unfolded to change in state in the process that the left bin body and the right bin body are close to and far away from each other.
The lower parts of the left and right bin bodies are provided with support rods extending along the left and right directions, and the support rods on the left bin body and the support rods on the right bin body are mutually crossed, namely, the support rods on the left bin body are respectively and correspondingly inserted between every two adjacent support rods on the right bin body. The left bin body and the right bin body are respectively provided with jacks which are in one-to-one correspondence with the support rods.
In the process that the left bin body and the right bin body are close to and far away from each other, the free ends of the supporting rods can be relatively far away from and close to the ports of the corresponding jacks, and the end portions of the supporting rods are required to be ensured not to move out of the corresponding jacks when the two bin bodies are far away from each other.
Curtain cloth units which can be opposite are arranged between the front wall plate and the rear wall plate of the bottom bin and correspond to the left side and the right side of the lower port of the shakeout cavity.
The elastic curtain cloth in the curtain cloth unit can be selectively contacted and separated with the belt surface of the conveying belt, so that a groove space can be formed at the lower port of the sand shakeout cavity when the elastic curtain cloth is contacted with the belt surface of the conveying belt, namely, the opposite elastic curtain cloth, the belt surface of the conveying belt and the front and rear wall plates of the bottom bin enclose a groove shape with an upper end opened;
when the elastic curtain cloth is separated from the belt surface of the conveying belt, a vertical distance can be formed between the lower end of the elastic curtain cloth and the belt surface of the conveying belt, and at the moment, the conveying belt cannot be hindered by the elastic curtain cloth.
The base is provided with an air duct communicated with the shakeout cavity, and one end of the air duct is correspondingly matched with a fan. The starting of the fan can form suction negative pressure to suck away dust.
During the use, put massive molding sand in the extrusion storehouse earlier, the left and right storehouse body at this moment is in the state of keeping away from relatively, is being held massive molding sand by the die-pin, and elasticity curtain cloth is pressed and is being taken the face of the groove space on the conveyer belt, and the conveyer belt is the stall this moment. Put the lid in the inslot back, start drive unit and make left and right storehouse body be close to each other and crush massive molding sand, the molding sand that is crushed can fall on the area face of conveyer belt through the shakeout chamber. The dust generated in the extrusion process can be kept in the closed space and cannot overflow to a workshop. After the driving unit is started to enable the left bin body and the right bin body to be away from each other and return to the initial state, the fan is started to collect the residual dust. And finally, forming a space between the elastic curtain cloth and the belt surface of the conveyor belt, and then starting the conveyor belt to convey the molding sand to the next procedure.
Further, linear slide rail structures matched with each other are arranged between the left bin body and the base and between the right bin body and the base. The driving unit is a hydraulic cylinder or a pneumatic cylinder.
Further, the curtain cloth unit comprises an elastic curtain cloth a arranged in a frame a, an elastic curtain cloth b arranged in a frame b and power transmission groups respectively used for driving the frame a and the frame b to move up and down. The frame a corresponds to the upper part of the belt surface of the conveyor belt, and the frame b corresponds to the lower part of the belt surface of the conveyor belt.
The width of the elastic cord fabric a and the width of the elastic cord fabric b are both larger than the width of the conveyor belt.
Further, the power transmission set is a gear rack transmission mechanism driven by a motor.
Further, a spring-shaped folding structure is formed at the upper part of the elastic curtain cloth a, and a spring-shaped folding structure is formed at the lower part of the elastic curtain cloth b, so that when the frame a drives the elastic curtain cloth a to lift, the folding structure of the elastic curtain cloth a can be folded, folded and unfolded, and when the frame b drives the elastic curtain cloth b to lift, the folding structure of the elastic curtain cloth b can be folded, folded and unfolded. The requirement is to ensure that the folding structure at the upper part of the elastic curtain cloth a is always in an incompletely unfolded state in the downward moving process of the elastic curtain cloth a, and the folding structure at the lower part of the elastic curtain cloth b is always in an incompletely unfolded state in the upward moving process of the elastic curtain cloth b. Namely, when the elastic cord fabric a moves downwards, the elastic cord fabric b correspondingly moves upwards; when the elastic cord fabric a moves upwards, the elastic cord fabric b correspondingly moves downwards.
Furthermore, a rotating shaft is arranged between the front wall plate and the rear wall plate of the bottom bin, and a gear meshed with the racks arranged on the frame a and the frame b is arranged on the rotating shaft. When the motor drives the rotating shaft to rotate, the gear is meshed with the rack to drive the frame a and the frame b to move up and down.
Further, the base is provided with an air duct communicated with the shakeout cavity, and the air duct is communicated with the vertical pipeline. The fan is arranged at the upper part of the vertical pipeline. And the upper part of the tube cavity of the vertical pipeline is provided with a vibrator and a transmission rod matched with the vibrator. The lower part of the transmission rod is provided with a plurality of layers of blades which are arranged at intervals in the vertical direction, and the blade at the lowest layer is positioned above the port of the air duct. The vertical pipeline extends downwards for a certain length relative to the air duct until reaching the boss arranged on the lower end face of the base. The boss is connected with a barrel body arranged along the vertical direction, and a barrel cover is arranged at the lower port of the barrel body.
Most of dust sucked into the air duct by the fan is adhered to the blades, and the dust can be shaken off into the cylinder when the blades are vibrated by the vibrator. The deposited dust can be poured out by opening the cylinder cover. Under this patent scheme the air outlet of fan still need set up a collection dirt sack, and the weaving density of this collection dirt sack requires can prevent that the dust absorption from oozing.
The utility model has the advantages that the problems of obvious dust overflow, workshop environment pollution and worker health damage in the molding sand collection operation are solved,
drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the construction of the elastic curtain portion of the present invention;
FIG. 3 is a schematic view showing the state of the action of the elastic cord with the conveyor belt according to the present invention.
The symbols in the drawings illustrate that: the sand-falling device comprises a base 10, a sand-falling cavity 101, an air duct 102, unidirectional sheets 103, a vertical pipeline 104, a boss 105, a cylinder 106, a cylinder cover 107 and a conveyor belt 20; the device comprises an extrusion bin 1, a left bin body 11, a right bin body 12, an elastic wall 13, a groove 14, a supporting rod 15, a jack 16, a hydraulic cylinder 2, a fan 3, a vibrator 4, a transmission rod 5, a blade 51, a bottom bin 6, a box block 61, a motor I62, a motor II 63, a frame A64, an elastic cord fabric A65, a frame B66, an elastic cord fabric B67 and a rotating shaft 7.
Detailed Description
The present invention will be further described with reference to the following examples.
Fig. 1 to 3 show a dustless collecting apparatus for molding sand, which comprises a base 10, a conveyor 20, an extrusion chamber 1 installed at the upper part of the base 10, and a bottom chamber 6 installed at the lower part of the base 10.
The conveyor belt 20 passes between the front and rear wall plates of the bottom bin 6 in the left-right direction.
On the base 10, a shakeout chamber 101 is formed below the extrusion chamber 1. The conveyor belt 20 passes through the lower portion of the shakeout chamber 101.
The extrusion bin 1 comprises a left bin body 11, a right bin body 12 and elastic walls 13 connected to the front side and the rear side of the left bin body 11 and the right bin body 12. The base 10 is provided with a driving unit which can drive the left bin body 11 and the right bin body 12 to approach to and separate from each other.
The elastic wall 13 is in a spring-like folded state, so that when the left and right bin bodies are close to and away from each other in the left-right direction, the elastic wall can be correspondingly folded and unfolded.
The upper end surfaces of the left bin body 11 and the right bin body 12 are provided with grooves 14, and the grooves 14 are matched with cover bodies which can be folded and unfolded in the left-right direction. The cover body is inserted into the groove 14, and the cover body can be correspondingly folded and unfolded to change in the process that the left bin body 11 and the right bin body 12 are close to and away from each other.
The lower parts of the left bin body 11 and the right bin body 12 are respectively provided with a supporting rod 15 which extends along the left-right direction, and the supporting rods 15 on the left bin body 11 and the supporting rods 15 on the right bin body 12 are mutually crossed, namely, each supporting rod 15 on the left bin body 11 is respectively and correspondingly inserted between two adjacent supporting rods 15 on the right bin body 12. The left bin body 11 and the right bin body 12 are respectively provided with jacks 16 corresponding to the support rods 15 one by one.
In the process that the left and right bin bodies are close to and far away from each other, the free ends of the supporting rods 15 can be relatively far away from and close to the ports of the corresponding jacks 16, and the end parts of the supporting rods 15 are required to be ensured not to move out of the corresponding jacks 16 when the two bin bodies are far away from each other.
Curtain cloth units which can be opposite are arranged between the front wall plate and the rear wall plate of the bottom bin 6 and correspond to the left side and the right side of the lower port of the sand shakeout cavity 101.
The elastic curtain cloth in the curtain cloth unit can be selectively contacted with and separated from the belt surface of the conveyor belt 20, so that a groove space can be formed at the lower port of the sand shakeout cavity 101 when the elastic curtain cloth is contacted with the belt surface of the conveyor belt 20, namely, the opposite elastic curtain cloth, the belt surface of the conveyor belt 20 and the front wall plate and the back wall plate of the bottom bin 6 enclose a groove shape with an upper end opened.
When the elastic curtain cloth is separated from the belt surface of the conveying belt, a vertical distance can be formed between the lower end of the elastic curtain cloth and the belt surface of the conveying belt, and at the moment, the conveying belt cannot be hindered by the elastic curtain cloth.
An air duct 102 communicated with the sand falling cavity 101 is arranged on the base 10, and one end of the air duct 102 is correspondingly matched with the fan 3. The fan 3 is activated to create a suction negative pressure to suck away the dust.
When the molding sand extrusion cabin is used, large molding sand is placed in the extrusion cabin 1, the left cabin body 11 and the right cabin body 12 are in a relatively far away state, the large molding sand is supported by the supporting rod 15, the elastic curtain cloth is pressed on the belt surface of the conveying belt to form a groove space, and the conveying belt stops running at the moment. After the cover is placed in the groove 14, the driving unit is started to make the left and right chambers 11, 12 approach each other to crush the large molding sand, and the crushed molding sand falls on the belt surface of the conveyor belt 20 through the shakeout chamber. The dust generated in the extrusion process can be kept in the closed space and cannot overflow to a workshop. After the driving unit is started to enable the left bin body 11 and the right bin body 12 to be away from each other and return to the initial state, the fan 3 is started to collect the residual dust. And finally, forming a space between the elastic curtain cloth and the belt surface of the conveyor belt, and then starting the conveyor belt to convey the molding sand to the next procedure.
Linear slide rail structures matched with each other are arranged between the left bin body 11, the right bin body 12 and the base 10. The driving unit is a hydraulic cylinder 2.
The curtain cloth unit comprises an elastic curtain cloth a65 arranged in a frame a64, an elastic curtain cloth b67 arranged in a frame b66 and power transmission groups respectively used for driving the frame a64 and the frame b66 to move up and down. The frame a64 corresponds to above the belt face of the conveyor belt 20 and the frame b66 corresponds to below the belt face of the conveyor belt 20.
The width of the elastic cord a65 and the width of the elastic cord b67 are both larger than the width of the conveyor belt 20.
As shown in the figure, the power transmission set is a gear rack transmission mechanism driven by a motor.
The front wall plate and the rear wall plate of the bottom bin 6 are provided with box blocks 61 which are arranged along the vertical direction, and the box blocks are provided with driving motors, namely a first motor 62 for driving the frame a to ascend and descend and a second motor 63 for driving the frame b to ascend and descend.
The upper part of the elastic curtain cloth a65 is provided with a spring-shaped folding structure, and the lower part of the elastic curtain cloth b67 is provided with a spring-shaped folding structure, so that when the frame a64 drives the elastic curtain cloth a65 to lift, the folding structure of the elastic curtain cloth a65 can be folded, folded and unfolded, and when the frame b66 drives the elastic curtain cloth b67 to lift, the folding structure of the elastic curtain cloth b67 can be folded, folded and unfolded.
The folding structure of the upper part of the elastic cord fabric a65 is required to be ensured to be in an incompletely unfolded state all the time in the process of moving the elastic cord fabric a65 downwards; the folding structure at the lower part of the elastic curtain b67 is always in an incompletely unfolded state in the process of moving up the elastic curtain b 67. That is, when the elastic cord a65 moves downwards, the corresponding elastic cord b67 moves upwards; when the elastic cord a65 moves upwards, the corresponding elastic cord b67 moves downwards.
A rotating shaft 7 is arranged between the front wall plate and the rear wall plate of the bottom bin 6, and a gear meshed with the racks arranged on the frame a64 and the frame b66 is arranged on the rotating shaft 7. When the first motor 62 and the second motor 63 drive the corresponding matched rotating shaft 7 to rotate, the gear is meshed with the rack to drive the frame a64 and the frame b66 to move up and down.
An air duct 102 which is arranged on the base 10 and communicated with the sand falling cavity 101 is communicated with a vertical pipeline 104. The fan 3 is mounted on the upper portion of the vertical duct 104. The upper part of the tube cavity of the vertical pipeline 104 is provided with a vibrator 4 and a transmission rod 5 matched with the vibrator 4. The lower part of the transmission rod 5 is provided with a plurality of layers of blades 51 which are arranged at intervals in the vertical direction, and the lowest layer of blades 51 is positioned above the port of the air duct 102. The vertical duct 104 extends downward a certain length relative to the air duct 102 to a boss 105 provided on the lower end surface of the base 10. The boss 105 is connected with a cylinder 106 arranged along the vertical direction, and a cylinder cover 107 is arranged at the lower port of the cylinder 106.
Most of the dust sucked into the air duct 102 by the fan 3 adheres to the blade 51, and can be shaken off into the cylinder 106 when the blade 51 is vibrated by the vibrator 4. The deposited dust can be poured out by opening the cartridge cover 107. Under this patent scheme the air outlet of fan 3 still need set up a collection dirt sack, and the weaving density of this collection dirt sack requires can prevent that the dust absorption from oozing.
The inlet end of the air duct 102, that is, the end close to the shakeout chamber 101, is provided with a one-way sheet 103, the one-way sheet 103 can be lifted towards the inner side of the air duct 102 in a negative pressure state to open the air duct 102, and after the fan 3 stops operating, the one-way sheet 103 can seal the port of the air duct 102, so as to prevent the dust on the blade 51 from overflowing to the shakeout chamber 101 when the vibrator 4 operates to shake off the dust.
However, the above description is only exemplary of the present invention, and the scope of the present invention should not be limited thereby, and the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should be covered by the claims of the present invention.
Claims (7)
1. The utility model provides a dustless collection device of molding sand, includes base, conveyer belt and extrusion storehouse, its characterized in that: the device also comprises a bottom bin arranged at the lower part of the base; the conveying belt passes through the front wall plate and the rear wall plate of the bottom bin; a sand falling cavity is formed on the base and below the corresponding extrusion bin, and the conveyor belt passes through the lower part of the sand falling cavity; the extrusion bin comprises a left bin body, a right bin body and elastic walls connected to the front side and the rear side of the left bin body and the right bin body, and the elastic walls are in a spring-shaped folded state;
the base is provided with a driving unit which can drive the left bin body and the right bin body to approach and depart from each other;
the upper end surfaces of the left bin body and the right bin body are provided with cover bodies which can be folded and unfolded in the left-right direction, and when the left bin body and the right bin body are close to and far away from each other, the cover bodies can be correspondingly folded and unfolded;
the lower parts of the left bin body and the right bin body are respectively provided with a support rod extending along the left-right direction, and the support rods on the left bin body and the right bin body are mutually crossed; the left bin body and the right bin body are respectively provided with jacks which are in one-to-one correspondence with the support rods;
curtain cloth units which can be opposite are arranged between the front wall plate and the rear wall plate of the bottom bin and correspond to the left side and the right side of the lower port of the shakeout cavity;
the elastic curtain cloth in the curtain cloth unit can be selectively contacted and separated with the belt surface of the conveying belt, so that a groove space can be formed at the lower port of the shakeout cavity when the elastic curtain cloth is contacted with the belt surface of the conveying belt; when the elastic curtain cloth is separated from the belt surface of the conveyor belt, a vertical distance can be formed between the lower end of the elastic curtain cloth and the belt surface of the conveyor belt;
the base is provided with an air duct communicated with the shakeout cavity, and one end of the air duct is correspondingly matched with a fan.
2. A dustless collecting device for moulding sand according to claim 1, characterized in that: linear slide rail structures matched with each other are arranged between the left bin body and the base and between the right bin body and the base; the driving unit is a hydraulic cylinder or a pneumatic cylinder.
3. A dustless collecting device for moulding sand according to claim 1, characterized in that: the curtain cloth unit comprises an elastic curtain cloth a arranged in a frame a, an elastic curtain cloth b arranged in a frame b and a power transmission set for driving the frame a and the frame b to move up and down respectively;
the frame a corresponds to the upper part of the belt surface of the conveyor belt, and the frame b corresponds to the lower part of the belt surface of the conveyor belt; the width of the elastic cord fabric a and the width of the elastic cord fabric b are both larger than the width of the conveyor belt.
4. A dustless collecting device for moulding sand according to claim 3, characterized in that: the power transmission set is a gear rack transmission mechanism driven by a motor.
5. A dustless collecting device for moulding sand according to claim 3, characterized in that: the upper part of the elastic curtain cloth a is provided with a spring-shaped folding structure, and the lower part of the elastic curtain cloth b is provided with a spring-shaped folding structure, so that when the frame a drives the elastic curtain cloth a to lift, the folding structure of the elastic curtain cloth a can be folded, folded and unfolded, and when the frame b drives the elastic curtain cloth b to lift, the folding structure of the elastic curtain cloth b can be folded, folded and unfolded.
6. A dustless collecting device for moulding sand according to claim 3, characterized in that: a rotating shaft is arranged between the front wall plate and the rear wall plate of the bottom bin, and a gear meshed with the racks arranged on the frame a and the frame b is arranged on the rotating shaft; when the motor drives the rotating shaft to rotate, the gear is meshed with the rack to drive the frame a and the frame b to move up and down.
7. A dustless collecting device for moulding sand according to claim 1, characterized in that: an air duct which is arranged on the base and communicated with the shakeout cavity is communicated with a vertical pipeline; the fan is arranged at the upper part of the vertical pipeline;
the upper part of the tube cavity of the vertical pipeline is provided with a vibrator and a transmission rod matched with the vibrator;
the lower part of the transmission rod is provided with a plurality of layers of blades which are arranged at intervals in the vertical direction, and the blade at the lowest layer is positioned above the port of the air duct;
the vertical pipeline extends downwards relative to the air duct for a certain length to reach a boss arranged on the lower end face of the base; the boss is connected with a barrel body arranged along the vertical direction, and a barrel cover is arranged at the lower end opening of the barrel body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121681254.6U CN215786537U (en) | 2021-07-23 | 2021-07-23 | Dustless collection device of molding sand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121681254.6U CN215786537U (en) | 2021-07-23 | 2021-07-23 | Dustless collection device of molding sand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215786537U true CN215786537U (en) | 2022-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121681254.6U Active CN215786537U (en) | 2021-07-23 | 2021-07-23 | Dustless collection device of molding sand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215786537U (en) |
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2021
- 2021-07-23 CN CN202121681254.6U patent/CN215786537U/en active Active
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