CN115592570A

CN115592570A - Sand blasting and polishing system

Info

Publication number: CN115592570A
Application number: CN202211122540.8A
Authority: CN
Inventors: 李永富
Original assignee: Foshan Gaoming Fudong Machinery Manufacturing Co ltd
Current assignee: Foshan Gaoming Fudong Machinery Manufacturing Co ltd
Priority date: 2022-09-15
Filing date: 2022-09-15
Publication date: 2023-01-13

Abstract

The invention provides a sand blasting and polishing system, which comprises a polishing and polishing unit, a dust removal unit and a lifting unit, wherein the polishing and polishing unit comprises a polishing head, a polishing head and a polishing head; the polishing and grinding unit comprises a rack, a wood plate feeding hole and a wood plate discharging hole are formed in the rack, and a conveying device for bearing wood plates is arranged between the wood plate feeding hole and the wood plate discharging hole; the machine frame is also internally provided with a recovery component for recovering sand dust and a sand blasting and polishing component for performing sand blasting and polishing on the wood board, the sand blasting and polishing component is arranged above the recovery component, and the recovery component recovers sand materials falling off by the sand blasting and polishing component; the sand blasting and polishing assembly comprises a sand blasting device and a polishing device which are arranged in sequence; the dust removal unit is communicated with the polishing and grinding unit and is used for separating sand and dust generated by the polishing and grinding unit; the feed end and the discharge end of the lifting unit are respectively communicated with the recovery assembly and the polishing and grinding unit, and the lifting unit transports and processes the sand materials recovered by the recovery assembly and returns the sand materials to the polishing and grinding unit through the lifting unit.

Description

Sand blasting and polishing system

Technical Field

The invention relates to the technical field of wood board polishing and grinding, in particular to a sand blasting and grinding system.

Background

With the continuous rising of the labor cost of wood furniture production enterprises, in the traditional process, the manual polishing of concave and convex surfaces of wooden doors, rosewood carving, cabinet door plates and the like is gradually replaced by wood plate polishing equipment. The roller type polishing and grinding machine is a commonly used wood board polishing device, but the existing roller type polishing and grinding machine has a poor polishing effect when the surface of a wood board is uneven, so that the wood polishing effect cannot meet market demands.

Disclosure of Invention

The invention aims to provide a sand blasting and grinding system, which solves the problem that a roller type polishing and grinding machine in the prior art is difficult to grind special-shaped plates.

In order to achieve the purpose, the invention adopts the following technical scheme:

the sand blasting and grinding system comprises a polishing and grinding unit, a dust removal unit and a lifting unit; the polishing and grinding unit comprises a rack, a wood plate feeding hole and a wood plate discharging hole are formed in the rack, and a wood plate bearing conveying device is arranged between the wood plate feeding hole and the wood plate discharging hole; the machine frame is also internally provided with a recovery assembly for recovering sand and dust and a sand blasting and polishing assembly for performing sand blasting and polishing on the wood board, the sand blasting and polishing assembly is arranged above the recovery assembly, and the recovery assembly recovers sand materials falling off from the sand blasting and polishing assembly; the sand blasting and polishing assembly comprises a sand blasting device and a polishing device which are arranged in sequence, and the sand blasting device is provided with a sand blasting assembly which can rotate relative to the conveying device; the dust removal unit is communicated with the polishing and grinding unit and is used for separating sand and dust generated by the polishing and grinding unit; the feed end and the discharge end of the lifting unit are respectively communicated with the recovery assembly and the polishing and grinding unit, and the lifting unit transports and processes the sand materials recovered by the recovery assembly, so that the sand materials return to the polishing and grinding unit through the lifting unit.

The sand-blasting polishing unit integrates the sand-blasting function, the polishing function and the sand-dust separation and recovery function of the sand-blasting polishing unit, is suitable for the polishing treatment of the special-shaped plate, and has a simple and compact structure. The dust removal unit can separate and remove dust and sand generated by the sand blasting and polishing unit, purify air, and the lifting unit transports and processes sand materials recovered by the recovery assembly, so that the sand materials return to the polishing and polishing unit through the lifting unit.

Furthermore, the polishing and grinding unit also comprises a first cyclone separator, and a dust inlet of the first cyclone separator is communicated with the sand blasting device, so that the first cyclone separator can separate sand and dust of the sand blasting device; and the gas outlet of the first cyclone separator is communicated with the dust removal unit.

Furthermore, a dust suction assembly is arranged in the polishing device, and the dust suction assembly extracts dust in the polishing device and discharges the dust out of the rack.

Furthermore, the sand blasting device comprises a base fixedly arranged with the frame, a lifting assembly capable of rotating relative to the base to realize self lifting action is arranged on the base, a sand storage box capable of rotating relative to the base is arranged below the base, and the sand storage box is connected with a sand blasting assembly for sand blasting and polishing the wood board; the lifting assembly is connected with a lifting table in a penetrating manner, and the lifting table is connected with a rotating assembly used for driving the sand storage box to rotate in a penetrating manner; when the lifting assembly rotates, the lifting assembly drives the lifting table to do lifting action, and the rotating assembly and the sand blasting assembly are linked to do synchronous lifting action.

Furthermore, the lifting assembly comprises a plurality of transmission rods which can rotate relative to the base to realize lifting action, each transmission rod is provided with a first lifting transmission wheel, and each first lifting transmission wheel is jointly wound with a lifting transmission belt to rotate in a linkage manner; the transmission rods are connected with the lifting platform together, and a plurality of transmission rods are arranged around the rotating assembly; when the first lifting transmission wheel rotates in a linkage manner through the lifting transmission belt, each transmission rod rotates synchronously to drive the lifting table to lift along the axial direction of the transmission rod.

Furthermore, the dust removal unit comprises a filter shell, a filter chamber for filtering dust and debris and a gas collection chamber for collecting filtered air are respectively arranged in the filter shell, and a second separation unit which can be assembled on the filter shell in a detachable mode is connected to the side of the filter shell; the second separation unit comprises a separation shell, a second cyclone separation cavity used for separating dust is arranged in the separation shell, the air inlet end of the second cyclone separation cavity is communicated with the polishing and grinding unit, the separation end of the second cyclone separation cavity is communicated with the outside, and the air outlet end of the second cyclone separation cavity is communicated with the filter chamber.

Furthermore, a dust absorption filter element is arranged in the filter chamber, and the air outlet end of the dust absorption filter element is communicated with the air collection chamber; the dust absorption filter element comprises a filter element layer, a flow guide element for guiding gas to flow from the air outlet end of the dust absorption filter element to the filter element layer is sleeved in the filter element layer, and a space is formed between the filter element layer and the flow guide element; an air blowing piece is arranged in the air collection chamber, the air inlet end of the air blowing piece extends out of the rack and is communicated with an air supply assembly, and the air blowing end of the air blowing piece is arranged towards the air outlet end of the dust collection filter element piece.

Furthermore, the recovery assembly is communicated with a screening unit, and the screening unit is used for screening sand materials recovered by the recovery assembly; and a discharge port of the screening unit is connected with the lifting unit, and the screened sand material returns to the polishing and grinding unit through the lifting unit.

Furthermore, the screening unit comprises a screen box, a screening feed inlet is formed above the screen box, a plurality of screen meshes are arranged in the screen box, and the screen meshes are sequentially arranged along the inner cavity of the screen box from top to bottom; the screen cloth is towards screening feed inlet protrusion setting, just the top of screen cloth extremely the smooth transition in bottom of screen cloth.

Furthermore, be provided with on the screen cloth around the screening feed inlet is the deflector of spiral arrangement, the deflector guide sand material is in the screen cloth removes, makes sand material tile in on the screen cloth.

The invention has the following beneficial effects:

1. the sand-blasting polishing unit integrates the sand-blasting function, the polishing function and the sand-dust separation and recovery function of the sand-blasting polishing unit, is suitable for the polishing treatment of the special-shaped plate, and has a simple and compact structure. The dust removal unit can separate and remove dust and sand generated by the sand blasting and polishing unit, purify air, and the lifting unit transports and processes sand materials recovered by the recovery assembly, so that the sand materials return to the polishing and polishing unit through the lifting unit.

2. The sand blasting device rotates through a plurality of transmission rods arranged around the rotating assembly to link the rotating assembly and the sand blasting assembly to integrally and synchronously move up and down, so that the device is stable in overall lifting and cannot deviate in the lifting process; the rotating assembly can drive the sand blasting assembly to perform high-speed rotating sand blasting operation, uniform spraying on the wood board can be achieved, the automation degree is high, and the spraying quality is greatly improved while the working efficiency is improved. On the other hand, the rotating shaft of the sand blasting device sequentially penetrates through the sand storage box, the base and the lifting platform and extends out of the lifting platform, so that the driving parts of the transmission rod, the first lifting transmission wheel, the lifting transmission belt, the lifting platform and the rotating assembly are all positioned above the base and exposed, and the device is convenient to maintain.

3. The polishing device is internally provided with a dust collection component which can sufficiently absorb dust generated in the polishing working process in time.

4. The dust removal unit is arranged outside the frame, dust-containing gas is subjected to separation dust removal and filtration dust removal in sequence, so that the gas is fully purified, the dust removal efficiency is high, the gas is prevented from carrying dust particles to pollute the environment again, and the working environment is improved. On the other hand, the dust collection filter element is provided with the flow guide element, so that air can blow and remove dust of the filter element layer more efficiently under the guide of the flow guide element, dust on the filter element layer is effectively removed, blockage is prevented, and the service life of the dust collection filter element is prolonged.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a front sectional view of a polishing and burnishing unit according to an embodiment of the present invention;

FIG. 3 is an enlarged view at C of FIG. 2;

FIG. 4 is an enlarged view of FIG. 2 at D;

FIG. 5 is a side cross-sectional view of a polishing and burnishing unit according to an embodiment of the present invention;

FIG. 6 is a schematic view of a blasting apparatus according to an embodiment of the present invention;

FIG. 7 is a schematic view of another angle of the blasting apparatus according to the embodiment of the invention;

FIG. 8 is an enlarged view taken at A in FIG. 7;

FIG. 9 is a sectional view of a blasting apparatus according to an embodiment of the invention;

FIG. 10 is an enlarged view of FIG. 9 at B;

FIG. 11 is a schematic front view of a blasting apparatus according to an embodiment of the present invention;

FIG. 12 is a sectional view of a dust removing unit in the embodiment of the present invention;

FIG. 13 is a schematic structural view of a dust removing unit according to an embodiment of the present invention;

fig. 14 is an exploded view of a dust removing unit according to an embodiment of the present invention.

Description of the reference numerals:

a frame 1, a wood plate feeding port 2, a wood plate discharging port 3, a conveying device 4,

A polishing device 5, a first polishing roller 501, a second polishing roller 502, a first moving device 503, a second moving device 504, a dust suction assembly 505, a dust suction port 506,

The sand blasting device 6, the lifting table 62, the fixing plate 621, the fixing sleeve 622, the sand blasting assembly 63, the sand storage box 631, the sand storage cavity 6311, the sand box opening 6312, the sand box outlet 6313, the mounting hole 6314, the sand blasting gun 632, the adjusting member 633, the first adjusting block 6331, the second adjusting block 6332, the first through hole 6333, the supporting member 634, the rotating assembly 64, the first rotating transmission wheel 641, the second rotating transmission wheel 642 rotation belt 643, rotation shaft 644, rotation motor 645, drive rod 651, first elevation drive wheel 652, second elevation drive wheel 653, elevation belt 654, elevation motor 655, tensioning assembly 66, tensioning shaft 661, tensioning wheel 662, adjustment member 663, adjustment block 664, adjustment slot 665, feed hopper 67, hopper opening 671, base 68, seal 69, blast feed inlet 610, blast feed inlet port,

A first cyclone separator 71, a front stage cyclone separating cylinder 72, a rear stage cyclone separating cylinder 73, a connecting pipe 74, a first cyclone separating cavity 75, a first separated dust outlet 76, a second separated dust outlet 77, a dust outlet,

A recovery component 8, a hopper component 81, a transverse pipe 82, a vertical pipe 83, a recovery discharge hole 84,

A screening unit 9, a screen box 91, a screening feed inlet 92, a screen 93,

An air extracting component 10, an air extracting box 101, an air extracting cavity 102, an air inlet 103, a first air extracting opening 104,

A dust blowing component 11, a dust blowing cylinder 1101, a communication port 1102, a dust blowing opening 1103, a blowing port 1104, a dust blowing plate 1105, a dust blowing channel 1106, a material guide hopper 1107, a material guide pipe 1108, a dust collecting device,

A lifting unit 12,

The dust collector comprises a second separation unit 13, a separation shell 1301, a second cyclone separation cavity 1302, a second separation dust outlet 1303, a first separation dust outlet switch 1304, a separation dust outlet guide mechanism 1305, a second connecting sleeve 1306, a guide channel 1307, a locking member 1308, a filter shell 14, a filter chamber 141, a dust suction filter element 1401, a filter element layer 1402, a distance 1403, a flow guide piece 1404, a conical section 1405, a cylindrical section 1406, a connecting rod 1407, a dust outlet 1408, a dust filtering switch 1409, a dust filtering guide mechanism 1410, a gas collection chamber 15, a gas blowing piece 1501, a first connecting sleeve 16, a sealing layer 1601, a positioning table 17, a clamping piece 18, a gas supply assembly 19, a gas storage tank 1901, a control valve 1902, an oil-water separator 1903, a fan device 20 and a fan device,

An exhaust tube 21.

Detailed Description

In order to make the technical solution, the purpose and the advantages of the present invention more apparent, the present invention will be further explained with reference to the accompanying drawings and embodiments.

As shown in fig. 1 to 14, the sand blasting and grinding system includes a polishing and grinding unit, a dust removing unit and a lifting unit; the polishing and grinding unit comprises a rack 1, a board feeding hole 2 and a board discharging hole 3 are formed in the rack 1, and a conveying device 4 for bearing boards is arranged between the board feeding hole 2 and the board discharging hole 3; a recovery assembly 8 for recovering sand and dust and a sand blasting and polishing assembly for performing sand blasting and polishing on the wood board are further arranged in the rack 1, the sand blasting and polishing assembly is arranged above the recovery assembly 8, and the recovery assembly 8 recovers sand materials falling off from the sand blasting and polishing assembly; the sand blasting and polishing assembly comprises a sand blasting device 6 and a polishing device 5 which are arranged in sequence, wherein the sand blasting device 6 is provided with a sand blasting assembly 63 which can rotate relative to the conveying device 4; the dust removal unit is communicated with the polishing and grinding unit and is used for separating sand and dust generated by the polishing and grinding unit; the feed end and the discharge end of the lifting unit 12 are respectively communicated with the recovery component 8 and the polishing and grinding unit, the lifting unit 12 transports and processes the sand materials recovered by the recovery component 8, and the sand materials are made to return to the polishing and grinding unit through the lifting unit 12.

The polishing and grinding unit further comprises a first cyclone separator 71, a dust inlet of the first cyclone separator 71 is communicated with the sand blasting device 6, so that the first cyclone separator 71 can separate sand and dust of the sand blasting device 6; the gas outlet of the first cyclone 71 is communicated with the dust removal unit.

The first cyclone 71, the blasting device 6, and the polishing device 5 are arranged in this order along the transport direction of the conveyor 4. The recycling assembly 8 is arranged below the conveying device 4, the separating end of the first cyclone separator 71 is communicated with the recycling assembly 8, and the polishing device 5 is communicated with the recycling assembly 8.

Specifically, the first cyclone separator 71 includes a front-stage cyclone separator 72, a rear-stage cyclone separator 73 and a connecting pipe 74, an air inlet of the front-stage cyclone separator 72 is a dust-containing inlet of the first cyclone separator 71, an air inlet of the front-stage cyclone separator 72 is communicated with the first suction opening 104 through the suction pipe 21, an air outlet of the front-stage cyclone separator 72 is communicated with an air inlet of the rear-stage cyclone separator 73 through the connecting pipe 74, and an air outlet of the rear-stage cyclone separator 73 is a clean air outlet of the first cyclone separator 71; all be provided with first cyclone 75 in preceding stage cyclone 72 and the later stage cyclone 73, the separation end of first cyclone 71 is provided with first separation dirt mouth 76, first separation dirt mouth 76 is located the bottom position in first cyclone 75, first separation dirt mouth 76 communicates with recovery subassembly 8, first separation dirt mouth 76 is provided with the first separation dirt switch 77 of the first separation dirt mouth 76 switching of control.

As shown in fig. 5 to 11, the blasting apparatus 6 includes a base 68 fixed to the frame 1, the base 68 is provided with a plurality of driving rods 651 capable of rotating relative to the base 68 to perform lifting operation, each driving rod 651 is provided with a first lifting transmission wheel 652, the first lifting transmission wheels 652 are jointly provided with a lifting transmission belt 654 to rotate in a linkage manner, and the driving rods 651 are jointly connected with the lifting table 62. A sand storage box 631 which can rotate relative to the base 68 is arranged below the base 68, the sand storage box 631 is connected with a sand blasting assembly 63 for sand blasting and polishing wood boards, a rotating assembly 64 for driving the sand storage box 631 to rotate penetrates through the lifting table 62, and a plurality of transmission rods 651 are arranged around the rotating assembly 64; specifically, the lifting table 62 is connected with a second lifting transmission wheel 653, the second lifting transmission wheel 653 is connected with a lifting motor 655, the lifting transmission belt 654 is wound around the first lifting transmission wheel 652 and the second lifting transmission wheel 653, and when the lifting motor 655 drives the second lifting transmission wheel 653 to rotate, the linkage lifting transmission belt 654 is linked with the first lifting transmission wheel 652 to rotate, so that each transmission rod 651 is synchronously rotated, thereby driving the lifting table 62 to move up and down along the axial direction of the transmission rod 651, and linking the rotating mechanism and the sand blasting assembly 63 to synchronously move up and down. In this embodiment, the transmission rod 651 is a screw rod, and the second lifting transmission wheel 653 presses against the lifting transmission belt 654 to apply a tension to the lifting transmission belt 654.

The rotating assembly 64 includes a first rotating transmission wheel 641, a second rotating transmission wheel 642 and a rotating shaft 644, a rotating transmission belt 643 (not shown) is wound between the first rotating transmission wheel 641 and the second rotating transmission wheel 642, the rotating transmission wheel 641 is connected with a rotating motor 645, the second rotating transmission wheel 642 is rotatably connected with one end of the rotating shaft 644, and the other end of the rotating shaft 644 is connected with the sand storage box 631. A rotary shaft 644 is provided through the flask 631, the base 68, the elevation table 62 in turn and extending out of the elevation table 62. This sand blasting unit 6 rotates through the transfer line 651 that arranges with a plurality of centers on runner assembly 64 to link slewing mechanism and sandblast subassembly 63 and do whole synchronous reciprocating, runner assembly 64 can drive sandblast subassembly 63 and carry out the sandblast work of high-speed rotation, can realize the even spraying to the plank, and degree of automation is high, has also improved the quality of spraying greatly when improving work efficiency. On the other hand, the rotating shaft 644 is sequentially passed through the flask 631, the base 68, and the elevation table 62 and extended out of the elevation table 62, so that the driving parts of the driving lever 651, the first elevation driving pulley 652, the elevation driving belt 654, the elevation table 62, and the rotation member 64 are all disposed above and exposed from the base 68, thereby facilitating maintenance of the apparatus.

The lifting table 62 is provided with a tensioning assembly 66 for tensioning the lifting transmission belt 654, the tensioning assembly 66 comprises a tensioning shaft 661 and an adjusting block 664, one end of the tensioning shaft 661 is rotatably connected with a tensioning wheel 662, the other end of the tensioning shaft 661 is connected with an adjusting member 663, an adjusting groove 665 is arranged in the adjusting block 664, the adjusting member 663 controls the tensioning shaft 661 to perform displacement adjustment in the adjusting groove 665, the tensioning wheel 662 is driven to press against the lifting transmission belt 654, and a tensioning force is applied to the lifting transmission belt 654.

The rotating assembly 64 includes a first rotating transmission wheel 641 and a second rotating transmission wheel 642, a rotating transmission belt 643 is wound between the first rotating transmission wheel 641 and the second rotating transmission wheel 642, the second rotating transmission wheel 642 is rotatably connected to one end of the rotating shaft 644, and the other end of the rotating shaft 644 is connected to the sand storage box 631. Be provided with the sandblast feed inlet 610 that is used for sand material to get into on the base 68, be provided with the feeder hopper 67 with sandblast feed inlet 610 intercommunication between base 68 and the sand storage box 631, the hopper opening 671 with the sand storage box 631 intercommunication is seted up to feeder hopper 67 below, hopper opening 671 stretches into and sets up in the sand storage box 631, axis of rotation 644 passes hopper opening 671. A seal 69 is provided between the base 68 and the rotating assembly 64. Be provided with dress sand chamber 6311 in the sand storage box 631, sand box opening 6312 with dress sand chamber 6311 intercommunication is seted up to sand storage box 631 top, sand box sand outlet 6313 that a plurality of and dress sand chamber 6311 communicate is seted up to sand storage box 631 below, sand box sand outlet 6313 with sandblast subassembly 63 intercommunication sets up. In this embodiment, the hopper 67 is funnel shaped, and the diameter of the hopper opening 671 is smaller than the diameter of the flask opening 6312. Thus, when the rotary member 64 moves the sandblasting case up and down, the sandblasting case can be inserted into the feed hopper 67 and moved up and down with respect to the feed hopper 67.

The sandblast subassembly 63 include with the sand blasting gun 632 that sand box sand outlet 6313 intercommunication set up, every sand box sand outlet 6313 all is connected with a sand blasting gun 632, be provided with support piece 634 between sand storage box 631 and the sand blasting gun 632, a plurality of mounting hole 6314 has been seted up to sand storage box 631 bottom, support piece 634 one end is connected with sand blasting gun 632, the other end passes through mounting hole 6314 is connected with sand storage box 631. Be provided with between sandblast rifle 632 and the support piece 634 and be used for adjusting the regulating member 633 of sandblast rifle 632 angle, regulating member 633 includes first regulating block 6331, second regulating block 6332 and adjusts the pole, first regulating block 6331 is connected with support piece 634, second regulating block 6332 is connected with sandblast rifle 632, first regulating block 6331, second regulating block 6332 all seted up with adjust the through-hole 6333 of pole looks adaptation, it will to adjust the pole through-hole 6333 of the through-hole 6333 of first regulating block 6331 and the through-hole 6333 of second regulating block 6332 first regulating block 6331 and second regulating block 6332 are connected fixedly. When the angle of the sand blasting gun 632 needs to be adjusted, the adjusting rod is loosened, the first adjusting block 6331 and the second adjusting block 6332 can move relatively, the angle of the sand blasting gun 632 is adjusted by adjusting the relative positions of the first adjusting block 6331 and the second adjusting block 6332, and after the angle is adjusted, the adjusting rod is used for connecting and fixing the first adjusting block 6331 and the second adjusting block 6332.

The lifting platform 62 is provided with a fixing plate 621 for the rotating assembly 64 to pass through, the rotating assembly 64 is sleeved with a fixing sleeve 622, the fixing sleeve 622 is fixedly connected with the fixing plate 621, so that the lifting platform 62 and the rotating assembly 64 form a fixed connection, and therefore when the lifting platform 62 performs lifting action, the rotating assembly 64 can be linked to perform synchronous lifting action.

The side of the sand blasting device is provided with an air extracting assembly 10, the air extracting assembly 10 comprises an air extracting box 101, an air extracting cavity 102 is arranged in the air extracting box 101, an air inlet 103 communicated with the sand blasting device is formed in the air extracting cavity 102, a first air extracting opening 104 communicated with the air extracting cavity 102 is formed in the air extracting box 101, and the first air extracting opening 104 is communicated with a dust inlet of the first cyclone separator 71 through an air extracting pipe. The sand-blast sanding treatment can generate more sand dust, the air exhaust assembly 10 can absorb and exhaust the sand dust generated by the sand-blast device, and a large amount of dust is prevented from flying in the working process.

The polishing device 5 comprises a first polishing roller 501 and a second polishing roller 502, both the first polishing roller 501 and the second polishing roller 502 can roll relative to the conveying device 4, the first polishing roller 501 is connected with a first moving device 503, the first moving device 503 drives the first polishing roller 501 to move up and down relative to the conveying device 4, the second polishing roller 502 is connected with a second moving device 504, and the second moving device 504 drives the second polishing roller 502 to move up and down relative to the conveying device 4. A dust suction assembly 505 is arranged in the polishing device 5, a dust suction port 506 communicated with the dust suction assembly 505 is arranged on the polishing device 5, and dust in the polishing device 5 is sucked by the dust suction assembly 505 and then discharged out of the machine frame 1 through the dust suction port 506 for recycling. The dust collection assembly 505 can timely absorb dust generated in the polishing process, so as to ensure that the polishing work environment is friendly.

The recycling assembly 8 comprises a plurality of hopper assemblies 81 which are communicated with each other, each hopper assembly 81 is communicated with a recycling pipe assembly with a recycling channel, each hopper assembly 81 is arranged in parallel along the transportation direction of the conveying device 4, the recycling pipe assembly is provided with a recycling discharge hole 84 communicated with the recycling channel, and the recycling discharge hole 84 is communicated with the outside. The plurality of hopper assemblies 81 are arranged in parallel along the conveying direction of the conveying device 4, so that the sand materials generated in the wood board processing process can be completely recovered. The recovery pipe subassembly is including the horizontal pipe 82 that is located hopper assembly 81 below, hopper assembly 81 includes that a plurality of hopper bodies that are leaks hopper-shaped, the hopper body all with horizontal pipe 82 intercommunication sets up, each horizontal pipe 82 is connected with vertical pipe 83 along conveyor 4's direction of transportation's end jointly, horizontal pipe 82 and vertical pipe 83 intercommunication are formed with the recovery passageway, it is in to retrieve discharge gate 84 arrange on the vertical pipe 83. The vertical pipes 83 uniformly collect the sand in the transverse pipes 82, and then output the sand from the recovery discharge port 84. Specifically, retrieve discharge gate 84 and screening unit 9 intercommunication, in this embodiment, all be provided with the spiral in each horizontal pipe 82, the vertical pipe 83 and arrange the material axle, carry the sand material in horizontal pipe 82, the vertical pipe 83 to retrieving discharge gate 84 by the spiral row material axle, improved the discharge rate of sand material in the recovery pipe subassembly greatly for the recycling of sand material improves the work efficiency of sandblast.

As shown in fig. 12-14, the dust removing unit includes a filtering housing 14, and a filtering chamber 141 for filtering dust and a gas collecting chamber 15 for collecting filtered air are arranged in the filtering housing 14; a dust suction filter element 1401 is arranged in the filter chamber 141, and the air outlet end of the dust suction filter element 1401 is communicated with the air collecting chamber 15; said dust collecting filter element 1401 comprises a filter element layer 1402, said filter element layer 1402 being fitted with a flow guide member 1404 for guiding air from the outlet end of the dust collecting filter element 1401 towards the filter element layer 1402, said filter element layer 1402 and flow guide member 1404 having a spacing 1403 therebetween; an air blowing piece 1501 is arranged in the air collection chamber 15, the air inlet end of the air blowing piece 1501 extends out of the filtering shell 14 and is communicated with an air supply assembly 19, and the air blowing end of the air blowing piece 1501 is arranged towards the air outlet end of the dust collection filter element 1401; a second separation unit 13 which can be assembled on the filter shell 14 in a detachable way is connected to the side of the filter shell 14; the second separation unit 13 comprises a separation housing 1301, a second cyclone separation cavity 1302 for separating dust is arranged in the separation housing 1301, the air inlet end and the separation end of the second cyclone separation cavity 1302 are communicated with the outside, and the air outlet end of the second cyclone separation cavity 1302 is communicated with the filter chamber 141; a fan device 20 is arranged on the filtering shell 14, and the fan device 20 is communicated with the gas collection chamber 15.

In this embodiment, there are a plurality of dust collecting filter elements 1401, the dust collecting filter elements 1401 are arranged in a vertical state, and the upper end of each dust collecting filter element 1401 is open, the upper end opening is the air outlet end of the dust collecting filter element 1401, and the lower end of the dust collecting filter element 1401 is closed.

To better realize the gas flow guiding, the flow guiding member 1404 comprises a conical section 1405 in a conical structure and a cylindrical section 1406 in a cylindrical structure, wherein the top end of the conical section 1405 corresponds to the blowing end of the blowing member 1501, and the bottom end of the conical section 1405 is connected with the cylindrical section 1406. The inside of the flow guide piece 1404 is of a hollow design, and a connecting rod 1407 is sleeved inside the flow guide piece 1404; the connecting rod 1407 is connected with the bottom of the diversion piece 1404 at one end and the conical section 1405 at the other end. The hollow design of the flow guide 1404 saves material while reducing the weight of the device. The provision of the connecting rods 1407 ensures stability of the air guide 1404 in a hollow arrangement.

As shown in fig. 3, a first connection sleeve 16 extends from the filter housing 14 toward the second separation unit 13, a second connection sleeve 1306 matched with the first connection sleeve 16 is provided in communication with the exhaust end of the second separation unit 13, and the second connection sleeve 1306 is detachably sleeved on the first connection sleeve 16. The design is to realize the detachable connection of the second separation unit 13 and the filtering shell 14, so that a user can disassemble and assemble the filter at any time according to the requirement. The filter housing 14 is provided with a positioning table 17 extending toward the second separation unit 13 for positioning and mounting the separation housing 1301, the separation housing 1301 is provided with a guide passage 1307 for guiding the positioning table 17 to pass through, and the second connection sleeve 1306 is positioned and attached to the first connection sleeve 16 when the separation housing 1301 is moved to enable the positioning table 17 to pass through the guide passage 1307. The positioning table 17 is cooperatively positioned with the guide channel 1307 to allow the second connecting sleeve 1306 to be accurately positioned for attachment to the first connecting sleeve 16.

A sealing layer 1601 is arranged between the filter housing 14 and the second connecting sleeve 1306. Specifically, the sealing layer is sleeved on the outer peripheral side of the first connection sleeve 16, and when the second connection sleeve 1306 is sleeved on the first connection sleeve 16, the second connection sleeve 1306 presses against the sealing layer 1601. The provision of the sealing layer 1601 ensures tightness between the first connection sleeve 16 and the second connection sleeve 1306.

A locking member 1308 is arranged on the separation shell 1301, and a clamping member 18 which forms locking fit with the locking member 1308 is arranged on the filtering shell 14. The locking cooperation of the locking member 1308 and the clamping member 18 can further ensure the connection stability of the filtering shell 14 and the separating shell 1301.

The air supply assembly 19 comprises an air storage tank 1901, connecting pipes corresponding to the number of the dust collection filter elements 1401 are arranged on the air storage tank 1901, the connecting pipes are communicated with the air blowing elements 1501, and control valves 1902 are arranged on the connecting pipes. An oil-water separator 1903 is arranged on an air inlet pipe of the air storage tank 1901, and the air storage tank 1901 is connected with an external air source through the oil-water separator 1903. The oil-water separator 1903 separates oil from water in the gas entering the gas storage tank 1901 to ensure that no oil and water are contained in the gas, thereby preventing dust particles from adhering to the dust-collecting filter element due to the oil and water in the gas during blowing, and preventing the dust-collecting filter element from being influenced by cleaning.

A plurality of filtering dust outlets 1408 are arranged below the filtering chamber 141, the filtering dust outlets 1408 are communicated, a filtering dust outlet 1409 is arranged on the filtering dust outlet 1408, and a funnel-shaped filtering dust guiding mechanism 1410 is arranged between the filtering dust outlet 1409 and the filtering dust outlet 1408. The design of the dust filter switch 1409 is convenient for a user to close and open the dust filter outlet 1408 at any time, and the funnel-shaped dust filter guide mechanism 1410 can effectively guide and discharge dust.

The working principle of the dust removal unit is as follows:

the gas containing dust generated in the wood board grinding process is introduced into the second cyclone separation cavity 1302 through the gas inlet end of the second cyclone separation cavity 1302 to separate the dust, the gas primarily separated in the second cyclone separation cavity 1302 is sent into the filter chamber 141 to filter the dust, the clean air after dust collection and filtration is discharged from the gas outlet end of the dust collection filter element 1401 and is input into the dust collection chamber 15, and the clean air in the dust collection chamber 15 is pumped out to the outside through the fan device 20.

When the dust removal unit device is in a non-working state, the gas supply assembly 19 supplies gas to the blowing members 1501, the blowing members 1501 blow the gas, and the gas is guided by the flow guide members 1404 to perform back-blowing dust removal on the filter element layer 1402.

The dust removal unit separates dust removal, filtration dust removal to contain the dirt gas in proper order, makes gaseous abundant purification, and the dust collection efficiency is high, prevents that gaseous carrying dirt particle from polluting the environment once more, improves operational environment. On the other hand, the dust collection filter core member 1401 is provided with the flow guide member 1404, so that air can blow and remove dust from the filter core layer 1402 more efficiently under the guide of the flow guide member 1404, dust on the filter core layer 1402 can be effectively removed, blockage can be prevented, and the service life of the dust collection filter core member 1401 can be prolonged.

A dust blowing assembly 11 for blowing away dust on the surface of the wood board is arranged between the first cyclone separator 71 and the conveying device 4, the dust blowing assembly 11 comprises a dust blowing cylinder 1101, a dust blowing opening 1103 communicated with the recovery assembly 8 is arranged at the bottom of the dust blowing cylinder 1101, a plurality of dust blowing plates 1105 are arranged in the dust blowing cylinder 1101, a dust blowing channel 1106 communicated with the dust blowing opening 1103 is enclosed between adjacent dust blowing plates 1105, the air outlet of the dust blowing channel 1106 is arranged towards the conveying device 4, and an air blowing port 1104 communicated with the dust blowing channel 1106 is arranged at the top of the dust blowing cylinder 1101; the dust blowing cylinder 1101 is provided with a communication port 1102, and the communication port 1102 is communicated with the separation end of the first cyclone 71.

The recovery assembly 8 is communicated with a screening unit 9, and the screening unit 9 screens sand materials recovered by the recovery assembly 8; the discharge hole of the screening unit 9 is connected with the lifting unit 12, and the screened sand material returns to the polishing and grinding unit through the lifting unit 12. The screening unit 9 comprises a screen box 91, a screening feed port 92 is formed above the screen box 91, a plurality of screen meshes 93 are arranged in the screen box 91, and the screen meshes 93 are sequentially arranged along an inner cavity of the screen box 91 from top to bottom; the screen 93 is convexly disposed toward the screening feed 92, and the top of the screen 93 smoothly transitions to the bottom of the screen 93. The screen mesh 93 is provided with a guide plate which is spirally arranged around the screening feed port 92, and the guide plate guides the sand to move on the screen mesh 93 so that the sand is flatly laid on the screen mesh 93. The sieve box 91 is provided with a sieving discharge port, and one end of the lifting unit 12 is communicated with the sieving discharge port and the other end is communicated with the sand blasting feed port 610.

The working principle of the sand blasting and polishing system is as follows:

the plank is sent into from the plank feed inlet, carries out sand blasting through sand blasting unit in proper order, carries out polishing process through burnishing device after, sends out from the plank discharge gate, accomplishes the sand blasting of plank and polishes.

The dust inlet of the first cyclone separator 71 is communicated with a sand blasting device, air containing sand and dust generated in the sand blasting device is pumped out and then sent into the first cyclone separator 71 for separation and dust removal treatment, the gas separated by the first cyclone separator 71 is introduced into the second separation unit for separating dust and dust again, and sand separated by the first cyclone separator 71 falls into the recovery assembly 8 from the first separation dust outlet 76.

The air separated by the second separating unit is sent into the filtering chamber 141 to filter the dust, the cleaned air after dust collection and filtration is discharged from the air outlet end of the dust collection filter element 1401 and is input into the air collection chamber 15, and the blower device 20 is used for pumping out the cleaned air in the air collection chamber 15 to the outside.

Retrieve subassembly 8 and collect the back with sand material is unified, input screening unit 9 by retrieving discharge gate 83 and sieve the processing, and screening back sand material is followed the discharge gate output of sieving, warp hoisting unit 12 returns the polishing unit of polishing, the sand material that will sieve lets in sandblast feed inlet 610 and carries out sand blasting.

The above description is only a preferred embodiment of the present invention, and those skilled in the art may still modify the described embodiment without departing from the implementation principle of the present invention, and the corresponding modifications should also be regarded as the protection scope of the present invention.

Claims

1. Sandblast system of polishing, its characterized in that: the polishing and grinding device comprises a polishing and grinding unit, a dust removal unit and a lifting unit;

the polishing and grinding unit comprises a rack, a wood plate feeding hole and a wood plate discharging hole are formed in the rack, and a wood plate bearing conveying device is arranged between the wood plate feeding hole and the wood plate discharging hole; the machine frame is also internally provided with a recovery assembly for recovering sand and dust and a sand blasting and polishing assembly for performing sand blasting and polishing on the wood board, the sand blasting and polishing assembly is arranged above the recovery assembly, and the recovery assembly recovers sand materials falling off from the sand blasting and polishing assembly; the sand blasting and polishing assembly comprises a sand blasting device and a polishing device which are arranged in sequence, and the sand blasting device is provided with a sand blasting assembly which can rotate relative to the conveying device;

the dust removal unit is communicated with the polishing and grinding unit and is used for separating sand and dust generated by the polishing and grinding unit;

the feed end and the discharge end of the lifting unit are respectively communicated with the recovery assembly and the polishing and grinding unit, and the lifting unit transports and processes the sand materials recovered by the recovery assembly, so that the sand materials return to the polishing and grinding unit through the lifting unit.

2. The blast sanding system of claim 1, wherein the polishing and sanding unit further comprises a first cyclone, the dust inlet of the first cyclone being in communication with the blasting device such that the first cyclone separates the sand from the blasting device; and the gas outlet of the first cyclone separator is communicated with the dust removal unit.

3. The blast sanding system of claim 1, wherein a suction assembly is disposed within the polishing apparatus, the suction assembly drawing debris from within the polishing apparatus and expelling the debris out of the frame.

4. The sand blasting and polishing system of claim 1, wherein the sand blasting device comprises a base fixedly arranged with the frame, a lifting assembly capable of rotating relative to the base to realize self lifting action is arranged on the base, a sand storage box capable of rotating relative to the base is arranged below the base, and the sand storage box is connected with a sand blasting assembly for sand blasting and polishing the wood boards; the lifting assembly is connected with a lifting platform in a penetrating manner, and the lifting platform is connected with a rotating assembly used for driving the sand storage box to rotate in a penetrating manner; when the lifting assembly rotates, the lifting assembly drives the lifting table to do lifting action, and the rotating assembly and the sand blasting assembly are linked to do synchronous lifting action.

5. The blast sanding system of claim 4, wherein the lifting assembly includes a plurality of drive links rotatable relative to the base for lifting, each drive link having a first lifting drive wheel disposed thereon, each first lifting drive wheel being cooperatively rotatable about a lifting drive belt; the transmission rods are connected with the lifting platform together, and a plurality of transmission rods are arranged around the rotating assembly; when the first lifting transmission wheel rotates in a linkage manner through the lifting transmission belt, each transmission rod rotates synchronously to drive the lifting table to lift along the axial direction of the transmission rod.

6. The blast sanding system of claim 1, wherein said dust removal unit includes a filter housing, said filter housing having a filter chamber for filtering dust and a collection chamber for collecting filtered air, said filter housing having a second separation unit removably attached to said filter housing and laterally attached thereto; the second separation unit comprises a separation shell, a second cyclone separation cavity used for separating dust is arranged in the separation shell, the air inlet end of the second cyclone separation cavity is communicated with the polishing and grinding unit, the separation end of the second cyclone separation cavity is communicated with the outside, and the air outlet end of the second cyclone separation cavity is communicated with the filter chamber.

7. The blast sanding system of claim 6, wherein a dust collection filter element is disposed within the filter chamber, the dust collection filter element having an air outlet end in communication with the plenum; the dust absorption filter element comprises a filter element layer, a flow guide element for guiding gas to flow from the air outlet end of the dust absorption filter element to the filter element layer is sleeved in the filter element layer, and a space is formed between the filter element layer and the flow guide element; an air blowing piece is arranged in the air collection chamber, the air inlet end of the air blowing piece extends out of the rack and is communicated with an air supply assembly, and the air blowing end of the air blowing piece is arranged towards the air outlet end of the dust collection filter element piece.

8. The blast sanding system of claim 1, wherein the reclamation assembly is in communication with a screening unit that screens sand reclaimed by the reclamation assembly; and a discharge port of the screening unit is connected with the lifting unit, and the screened sand material returns to the polishing and grinding unit through the lifting unit.

9. The sand blasting and polishing system of claim 8, wherein the screening unit comprises a screen box, a screening feed port is formed above the screen box, a plurality of screens are arranged in the screen box, and the screens are sequentially arranged along the inner cavity of the screen box from top to bottom; the screen cloth is towards screening feed inlet protrusion setting, just the top of screen cloth extremely the smooth transition in bottom of screen cloth.

10. A blast sanding system as defined in claim 9, wherein said screen has guide plates disposed thereon in a spiral arrangement about said screening feed opening, said guide plates guiding the movement of sand across said screen so that the sand is laid flat on said screen.