CN115592570A - Sand blasting and polishing system - Google Patents

Abstract

The invention provides a sandblasting and grinding system, which includes a polishing and grinding unit, a dust removal unit and a lifting unit; There is a conveying device for carrying wooden boards between the feed ports; a recovery component for recovering sand and dust, a sandblasting and polishing component for sandblasting and polishing the wooden boards are also arranged in the frame, and the sandblasting and polishing component is set above the recovery component , the recovery component recovers the sand material dropped by the sandblasting and polishing component; the sandblasting and polishing component includes a sandblasting device and a polishing device arranged in sequence; the dust removal unit is connected with the polishing and polishing unit, and is used to separate the sand and dust generated by the polishing and polishing unit; The feeding end and the discharging end of the lifting unit are respectively connected to the recovery component and the polishing unit, and the lifting unit transports the sand material recovered by the recovery component, so that the sand material returns to the polishing unit through the lifting unit.

Description

Sand blasting system

technical field

The invention relates to the technical field of plank polishing and grinding, in particular to a sandblasting and grinding system.

Background technique

As the labor cost of wood furniture production enterprises continues to rise, in traditional crafts, the manual grinding of wooden doors, mahogany carvings and cabinet door panels has been gradually replaced by wood grinding equipment. Wherein the roller type polishing machine is the more commonly used plank grinding equipment, but the existing roller type polishing machine is relatively poor for the polishing effect when the surface of the plank is uneven, so that the wood polishing effect cannot meet the market demand.

Contents of the invention

The object of the present invention is to provide a sandblasting and grinding system, which solves the problem that the roller polishing and grinding machine in the prior art is difficult to grind special-shaped plates.

To achieve the above object, the present invention adopts the following technical solutions:

The sandblasting and grinding system includes a polishing and grinding unit, a dust removal unit and a lifting unit; the polishing and grinding unit includes a frame, and the frame is provided with a plank feed port and a plank discharge port, and the plank feed port is connected to the plank A conveying device for carrying wooden boards is arranged between the outlets of the wooden boards; a recycling assembly for reclaiming sand and dust, a sandblasting and polishing assembly for sandblasting and polishing the wooden boards are also arranged in the frame, and the sandblasting and polishing The assembly is arranged above the recovery assembly, and the recovery assembly reclaims the sand material dropped by the sandblasting and polishing assembly; the sandblasting and polishing assembly includes a sandblasting device and a polishing device arranged in sequence, and the sandblasting device is set There is a sandblasting assembly that can rotate relative to the conveying device; the dust removal unit communicates with the polishing unit for separating the sand and dust generated by the polishing unit; the feeding end, outlet of the lifting unit The material ends are respectively connected to the recovery component and the polishing unit, and the lifting unit transports the sand recovered by the recovery component, so that the sand returns to the polishing unit through the lifting unit.

The invention integrates the function of sandblasting, polishing and the function of separating and recovering sand and dust on the sandblasting and polishing unit, is suitable for grinding treatment of special-shaped plates, and has a simple and compact structure. The dust removal unit can separate and remove the sand and dust generated by the sandblasting and polishing unit, purify the air, and the lifting unit transports the sand recovered by the recovery component, so that the sand returns to the polishing unit through the lifting unit .

Further, the polishing and polishing unit also includes a first cyclone separator, the dust-containing inlet of the first cyclone separator communicates with the sandblasting device, so that the first cyclone separator can eliminate the sand and dust from the sandblasting device. Carry out separation treatment; the gas outlet of the first cyclone separator communicates with the dust removal unit.

Further, a dust suction assembly is provided in the polishing device, and the dust suction assembly sucks the dust in the polishing device and discharges the dust out of the machine frame.

Further, the sandblasting device includes a base fixed to the frame, and the base is provided with a lifting assembly that can rotate relative to the base to realize its own lifting action. A rotating sand storage box, the sand storage box is connected with a sandblasting assembly for sandblasting and polishing the wooden board; the lifting assembly is connected with a lifting platform, and the lifting platform is connected with a rotating assembly for driving the sand storage box to rotate ; When the lifting component rotates, the lifting component drives the lifting platform to perform a lifting action, and links the rotating component and the sandblasting component to perform a synchronous lifting action.

Further, the lifting assembly includes a plurality of transmission rods that can rotate relative to the base to realize the lifting action, and each of the transmission rods is provided with a first lifting transmission wheel, and each of the first lifting transmission wheels is jointly wound with a The lifting transmission belt rotates in linkage; the transmission rods are jointly connected with the lifting platform, and a plurality of transmission rods are arranged around the rotating assembly; when the first lifting transmission wheel rotates in linkage with the lifting transmission belt, each of the The transmission rod makes a synchronous rotational movement, which drives the lifting table to perform lifting action along the axial direction of the transmission rod.

Further, the dust removal unit includes a filter housing, which is divided into a filter chamber for filtering dust and an air collection chamber for collecting filtered air, and a detachable The second separation unit is based on the filter housing; the second separation unit includes a separation housing, and a second cyclone separation chamber for separating dust is arranged in the separation housing, and the inlet end of the second cyclone separation chamber It communicates with the polishing unit, the separation end of the second cyclone separation chamber communicates with the outside, and the exhaust end of the second cyclone separation chamber communicates with the filter chamber.

Further, a dust suction filter element is arranged in the filter chamber, and the air outlet end of the dust suction filter element communicates with the air collection chamber; the dust suction filter element includes a filter element layer, and a guide The gas flows from the air outlet end of the dust-absorbing filter element to the filter element layer. There is a distance between the filter element layer and the flow guide element; The end protrudes out of the frame and communicates with an air supply assembly, and the air blowing end of the air blowing element is arranged toward the air outlet end of the dust suction filter element.

Further, the recovery component is connected with a screening unit, and the screening unit performs screening processing on the sand recovered by the recovery component; the discharge port of the screening unit is connected with the lifting unit, and the sand after screening The material returns to the polishing unit through the lifting unit.

Further, the sieving unit includes a sieve box, and a sieving feed inlet is opened above the sieve box, and several screens are arranged in the sieve box, and each of the sieves is arranged along the inner cavity of the sieve box. Arranged sequentially from top to bottom; the screens protrude toward the screening inlet, and the top of the screens transitions smoothly to the bottom of the screens.

Further, the screen is provided with a guide plate arranged spirally around the screening inlet, and the guide plate guides the sand to move on the screen, so that the sand is spread on the screen.

The beneficial effects that the present invention realizes are as follows:

1. The present invention integrates sandblasting, polishing and dust separation and recovery functions for the sandblasting and polishing unit. It is suitable for grinding special-shaped plates, and has a simple and compact structure. The dust removal unit can separate and remove the sand and dust generated by the sandblasting and polishing unit, purify the air, and the lifting unit transports the sand recovered by the recovery component, so that the sand returns to the polishing unit through the lifting unit .

2. The sandblasting device rotates with a plurality of transmission rods arranged around the rotating assembly, and moves up and down synchronously with the linkage rotating assembly and the sandblasting assembly as a whole, so that the overall lifting of the device is stable and there will be no deviation during the lifting process; the rotating assembly can Drive sandblasting components to perform high-speed rotating sandblasting work, which can achieve uniform spraying on wood boards, with a high degree of automation, which greatly improves the quality of spraying while improving work efficiency. On the other hand, the rotating shaft of the sandblasting device passes through the sand storage box, the base, the lifting platform and is set out from the lifting platform in sequence, thus, the transmission rod, the first lifting transmission wheel, the lifting transmission belt, the lifting platform, and the rotating assembly The driving parts are all located above the base and exposed, which makes the device easy to maintain.

3. There is a dust suction component in the polishing device, which can timely and fully absorb the dust generated during the polishing process.

4. There is a dust removal unit outside the frame. The dust-containing gas is separated and filtered to remove dust in turn, so that the gas is fully purified, and the dust removal efficiency is high, preventing the gas from carrying dust particles to pollute the environment again and improving the working environment. On the other hand, a deflector is provided on the dust-absorbing filter element, so that the gas can blow and dust the filter element layer more efficiently under the guidance of the deflector, effectively remove the dust on the filter element layer, prevent clogging, and improve the efficiency of the dust-absorbing filter element. service life of the parts.

Description of drawings

Fig. 1 is the structural representation of the embodiment of the present invention;

Fig. 2 is the front sectional view of the polishing unit in the embodiment of the present invention;

Figure 3 is an enlarged view at C in Figure 2;

Figure 4 is an enlarged view at D in Figure 2;

Fig. 5 is a side view sectional view of the polishing unit in the embodiment of the present invention;

Figure 6 is a schematic structural view of a sandblasting device in an embodiment of the present invention;

Fig. 7 is a structural schematic diagram of another angle of the sandblasting device in the embodiment of the present invention;

Figure 8 is an enlarged view of A in Figure 7;

Fig. 9 is a sectional view of a sandblasting device in an embodiment of the present invention;

Figure 10 is an enlarged view at B in Figure 9;

Fig. 11 is a front structural schematic view of the sandblasting device in the embodiment of the present invention;

Fig. 12 is a sectional view of a dust removal unit in an embodiment of the present invention;

Fig. 13 is a schematic structural view of a dust removal unit in an embodiment of the present invention;

Fig. 14 is an exploded schematic view of the dust removal unit in the embodiment of the present invention.

Explanation of reference signs:

Frame 1, plank inlet 2, plank outlet 3, conveying device 4,

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

Sandblasting device 6, lifting table 62, fixed plate 621, fixed sleeve 622, sandblasting assembly 63, sand storage box 631, sand loading chamber 6311, sandbox opening 6312, sandbox sand outlet 6313, installation hole 6314, sandblasting Gun 632, adjusting member 633, first adjusting block 6331, second adjusting block 6332, first through hole 6333, support member 634, rotating assembly 64, first rotating transmission wheel 641, second rotating transmission wheel 642, rotating transmission belt 643 , rotating shaft 644, rotating motor 645, transmission rod 651, first lifting transmission wheel 652, second lifting transmission wheel 653, lifting transmission belt 654, lifting motor 655, tensioning assembly 66, tensioning shaft 661, tensioning wheel 662, Adjustment piece 663, adjustment block 664, adjustment groove 665, feed hopper 67, hopper opening 671, base 68, seal 69, sandblasting feed inlet 610,

The first cyclone separator 71, the front stage cyclone separation cylinder 72, the rear stage cyclone separation cylinder 73, the connecting pipe 74, the first cyclone separation chamber 75, the first separation dust outlet 76, the second separation dust outlet switch 77,

Recovery assembly 8, hopper assembly 81, horizontal pipe 82, vertical pipe 83, recovery outlet 84,

Screening unit 9, screen box 91, screening inlet 92, screen 93,

Air extraction assembly 10, air extraction box 101, air extraction cavity 102, air intake opening 103, first air extraction port 104,

Dust blowing assembly 11, dust blowing cylinder 1101, communication port 1102, dust blowing opening 1103, air blowing port 1104, dust blowing plate 1105, dust blowing channel 1106, material guide hopper 1107, material guide pipe 1108,

Lifting unit 12,

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

Air extraction pipe 21.

detailed description

In order to make the technical solution, purpose and advantages of the present invention clearer, the present invention will be further explained below in conjunction with the accompanying drawings and embodiments.

As shown in Figure 1-14, the sandblasting and grinding system includes a polishing and grinding unit, a dust removal unit and a lifting unit; A feed port 3, a conveying device 4 for carrying planks is arranged between the plank feed port 2 and the plank discharge port 3; a recovery assembly 8 for reclaiming sand and dust is also provided in the frame 1 for A sandblasting and polishing assembly for sandblasting and polishing the wooden board, the sandblasting and polishing assembly is arranged above the recovery assembly 8, and the recovery assembly 8 recycles the sand material dropped by the sandblasting and polishing assembly; the sandblasting and polishing assembly The polishing assembly includes a sandblasting device 6 and a polishing device 5 arranged in sequence, and the sandblasting device 6 is provided with a sandblasting assembly 63 that can rotate relative to the conveying device 4; the dust removal unit is communicated with the polishing and grinding unit for The sand and dust produced by the polishing and grinding unit are separated; the feed end and the discharge end of the lifting unit 12 are respectively connected to the recovery component 8 and the polishing and grinding unit, and the lifting unit 12 is recovered through the recovery component 8. The obtained sand material is transported so that the sand material returns to the polishing unit through the lifting unit 12 .

The polishing and polishing unit also includes a first cyclone separator 71, the dust inlet of the first cyclone separator 71 communicates with the sandblasting device 6, so that the first cyclone separator 71 is connected to the sandblasting device 6. Sand and dust are separated; the gas outlet of the first cyclone separator 71 communicates with the dust removal unit.

The first cyclone separator 71 , the sandblasting device 6 , and the polishing device 5 are sequentially arranged along the conveying direction of the conveying device 4 . The recovery assembly 8 is arranged below the conveying device 4 , the separation end of the first cyclone separator 71 is communicated with the recovery assembly 8 , and the polishing device 5 is communicated with the recovery assembly 8 .

Specifically, the first cyclone separator 71 includes a front-stage cyclone separation drum 72, a rear-stage cyclone separation drum 73, and a connecting pipe 74, and the air inlet of the front-stage cyclone separation drum 72 is the air inlet of the first cyclone separator. 71, the air inlet of the front-stage cyclone separation cylinder 72 communicates with the first air suction port 104 through the suction pipe 21, and the air outlet of the front-stage cyclone separation cylinder 72 is connected to the rear-stage cyclone separation cylinder 73 The air inlet of the air inlet is communicated through the connecting pipe 74, and the air outlet of the rear-stage cyclone separation drum 73 is the clean air outlet of the first cyclone separator 71; the front-stage cyclone separation drum 72 and the rear-stage cyclone separation drum 73 The first cyclone separation chamber 75 is arranged inside, and the separation end of the first cyclone separator 71 is provided with a first separation dust outlet 76, and the first separation dust outlet 76 is located in the first cyclone separation chamber 75 The bottom position of the first separated dust outlet 76 communicates with the recovery assembly 8, and the first separated dust outlet 76 is provided with a first separated dust outlet switch 77 that controls the opening and closing of the first separated dust outlet 76.

As shown in Figures 5-11, the sandblasting device 6 includes a base 68 fixed to the frame 1, and the base 68 is provided with a plurality of transmission rods 651 that can rotate relative to the base 68 to realize its own lifting action. Each of the transmission rods 651 is provided with a first lifting transmission wheel 652, and the first lifting transmission wheels 652 are jointly wound with a lifting transmission belt 654 for linkage rotation, and the transmission rods 651 are connected to the lifting platform 62 together. A sand storage box 631 that can rotate relative to the base 68 is provided below the base 68. The sand storage box 631 is connected with a sandblasting assembly 63 for sandblasting and polishing the wooden board. The rotating assembly 64 that rotates the sand storage box 631, and a plurality of transmission rods 651 are arranged around the rotating assembly 64. In this embodiment, the lifting platform 62 is a square structure, the number of transmission rods 651 is four, and the four transmission rods 651 Distributed at the four corners of the lifting platform 62, the rotating assembly 64 is located in the middle of the lifting platform 62; specifically, the lifting platform 62 is connected with a second lifting transmission wheel 653, and the second lifting transmission wheel 653 is connected with a lifting transmission wheel 653. Motor 655, the lifting transmission belt 654 is wound on the first lifting transmission wheel 652 and the second lifting transmission wheel 653, when the lifting motor 655 drives the second lifting transmission wheel 653 to rotate, the linkage lifting transmission belt 654 links the first lifting transmission The wheel 652 rotates to make the transmission rods 651 rotate synchronously, thereby driving the lifting table 62 to move up and down along the axial direction of the transmission rods 651, and the rotating mechanism and the sandblasting assembly 63 are linked to move up and down synchronously. In this embodiment, the transmission rod 651 is a screw rod, and the second lifting transmission wheel 653 presses on the lifting transmission belt 654 and exerts tension on the lifting transmission belt 654 .

Described rotating assembly 64 comprises the first rotation transmission wheel 641, the second rotation transmission wheel 642 and the rotation shaft 644, is wound with the rotation transmission belt 643 (on the figure) between the first rotation transmission wheel 641, the second rotation transmission wheel 642 Not shown), the first rotation transmission wheel 641 is connected with a rotation motor 645, the second rotation transmission wheel 642 is connected with one end of the rotation shaft 644, and the other end of the rotation shaft 644 is connected with the sand storage box 631 . The rotating shaft 644 passes through the sand storage box 631 , the base 68 , the lifting platform 62 in sequence and extends out of the lifting platform 62 to set. The sandblasting device 6 rotates through a plurality of transmission rods 651 arranged around the rotating assembly 64, and moves up and down synchronously with the linkage rotating mechanism and the sandblasting assembly 63 as a whole. The rotating assembly 64 can drive the sandblasting assembly 63 to perform high-speed rotating sandblasting It can realize uniform spraying on wood boards, and has a high degree of automation. While improving work efficiency, it also greatly improves the quality of spraying. On the other hand, the rotating shaft 644 passes through the sand storage box 631, the base 68, the lifting platform 62 successively and stretches out the setting of the lifting platform 62, thus, the transmission rod 651, the first lifting transmission wheel 652, the lifting transmission belt 654, the lifting platform 62. The driving part of the rotating assembly 64 is located above the base 68 and is exposed, which makes the maintenance of the device convenient.

The lifting platform 62 is provided with a tensioning assembly 66 for tensioning the lifting transmission belt 654. The tensioning assembly 66 includes a tensioning shaft 661 and an adjustment block 664. One end of the tensioning shaft 661 is rotatably connected to a tensioning wheel 662. , the other end is connected with an adjustment piece 663, the adjustment piece 664 is provided with an adjustment groove 665, the adjustment piece 663 controls the displacement adjustment of the tension shaft 661 in the adjustment groove 665, and drives the tension wheel 662 to top Press on the lifting transmission belt 654, and apply tension to the lifting transmission belt 654.

The rotation assembly 64 includes a first rotation transmission wheel 641 and a second rotation transmission wheel 642, and a rotation transmission belt 643 is wound between the first rotation transmission wheel 641 and the second rotation transmission wheel 642. The 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 . The base 68 is provided with a sandblasting feed inlet 610 for sand material to enter, and a feed hopper 67 communicating with the sandblasting feed inlet 610 is provided between the base 68 and the sand storage box 631. A hopper opening 671 communicating with the sand storage box 631 is provided below the feeding hopper 67 , the hopper opening 671 extends into the sand storage box 631 , and the rotating shaft 644 passes through the hopper opening 671 . A seal 69 is provided between the base 68 and the rotating assembly 64 . The sand storage box 631 is provided with a sand-loading chamber 6311, the sand box opening 6312 connected with the sand-loading chamber 6311 is opened above the sand storage box 631, and several sand-loading chambers are opened below the sand storage box 631. 6311 communicates with the sand outlet 6313 of the sand box, and the sand outlet 6313 of the sand box communicates with the sandblasting assembly 63. In this embodiment, the feeding hopper 67 is funnel-shaped, and the caliber of the opening 671 of the hopper is smaller than the caliber of the opening 6312 of the sand box. In this way, when the rotating assembly 64 drives the sandblasting box to move up and down, the sandblasting box can trap the feed hopper 67 and move up and down relative to the feed hopper 67 .

The sandblasting assembly 63 includes a sandblasting gun 632 communicated with the sand outlet 6313 of the sand box, each sand box sand outlet 6313 is connected with a sandblasting gun 632, and the sand storage box 631 is connected to the sandblasting A support 634 is provided between the guns 632, and several installation holes 6314 are opened at the bottom of the sand storage box 631. One end of the support 634 is connected to the sandblasting gun 632, and the other end is connected to the sand storage box through the installation holes 6314. 631 connections. An adjustment member 633 for adjusting the angle of the sandblasting gun 632 is provided between the sandblasting gun 632 and the support member 634. The adjustment member 633 includes a first adjustment block 6331, a second adjustment block 6332 and an adjustment rod. An adjustment block 6331 is connected to the support member 634, and the second adjustment block 6332 is connected to the sandblasting gun 632. Both the first adjustment block 6331 and the second adjustment block 6332 are provided with a channel matching the adjustment rod. The hole 6333, the adjustment rod passes through the through hole 6333 of the first adjustment block 6331 and the through hole 6333 of the second adjustment block 6332 to connect and fix the first adjustment block 6331 and the second adjustment block 6332. When it is necessary to adjust the angle of the sandblasting gun 632, loosen the adjustment lever so that the first adjustment block 6331 and the second adjustment block 6332 can move relative to each other. By adjusting the relative positions of the first adjustment block 6331 and the second adjustment block 6332, from Adjust the angle of the sandblasting gun 632. After the angle is adjusted, the adjusting rod is used to connect and fix the first adjusting block 6331 and the second adjusting block 6332.

The lifting table 62 is provided with a fixed plate 621 for the rotating assembly 64 to pass through, and the rotating assembly 64 is sleeved with a fixed sleeve 622, and the fixed sleeve 622 is fixedly connected with the fixed plate 621, so that the lifting table 62 and the rotating assembly 64 forms a fixed connection, like this, when the lifting platform 62 does the lifting action, it can be linked with the rotating assembly 64 to do the synchronous lifting action.

The side of the sandblasting device is provided with an air extraction assembly 10, the air extraction assembly 10 includes an air extraction box 101, an air extraction chamber 102 is arranged in the air extraction box 101, and the air extraction chamber 102 is provided with a The air inlet opening 103 connected to the sand device, the first air extraction port 104 communicated with the air extraction cavity 102 is provided on the air extraction box 101, and the first air extraction port 104 is connected to the first cyclone separator 71 through an air extraction pipe. The dusty inlet is connected. The sandblasting process will produce a lot of sand and dust, and the air extraction assembly 10 can absorb and discharge the sand and dust generated by the sandblasting device, avoiding a large amount of dust flying in the working process.

Polishing device 5, described polishing device 5 comprises first polishing roller 501 and second polishing roller 502, and described first polishing roller 501, second polishing roller 502 all can make rolling action relative to conveying device 4, and described first polishing roller The roller 501 is connected with a first moving device 503, and the first moving device 503 drives the first polishing roller 501 to move up and down relative to the conveying device 4, and the second polishing roller 502 is connected with a second moving device 504, so The second moving device 504 drives the second polishing roller 502 to move up and down relative to the conveying device 4 . The polishing device 5 is provided with a dust suction assembly 505, and the polishing device 5 is provided with a dust suction port 506 communicating with the dust suction assembly 505. Port 506 discharges out of the frame 1 for recycling. The dust suction component 505 can timely suck away the dust generated during the polishing process, so as to ensure a friendly polishing working environment.

The recovery assembly 8 includes a plurality of hopper assemblies 81 arranged in communication with each other, each of the hopper assemblies 81 is connected with a recovery pipe assembly having a recovery channel, and each of the hopper assemblies 81 is arranged side by side along the transport direction of the conveying device 4 , the The recovery pipe assembly is provided with a recovery outlet 84 communicating with the recovery channel, and the recovery outlet 84 communicates with the outside. A plurality of hopper assemblies 81 are arranged side by side along the conveying direction of the conveying device 4, which can ensure complete recovery of the sand generated during the wood board processing. The recovery pipe assembly includes a horizontal pipe 82 located below the hopper assembly 81. The hopper assembly 81 includes a plurality of funnel-shaped hopper bodies, and the hopper bodies are all communicated with the horizontal pipe 82. Each of the horizontal pipes 82 along the end of the transporting direction of the conveying device 4 are jointly connected with a vertical pipe 83, the horizontal pipe 82 communicates with the vertical pipe 83 to form a recovery passage, and the recovery outlet 84 is arranged on the vertical pipe 83 . After the vertical pipe 83 collects the sand material of each horizontal pipe 82 uniformly, the sand material is output from the recovery outlet 84 . Specifically, the recovery outlet 84 communicates with the screening unit 9. In this embodiment, each horizontal pipe 82 and vertical pipe 83 are provided with a spiral discharge shaft, and the sand in the horizontal pipe 82 and vertical pipe 83 is The material is transported to the recovery discharge port 84 by the screw discharge shaft, which greatly improves the discharge speed of the sand material in the recovery pipe assembly, accelerates the recycling of the sand material, and improves the work efficiency of sandblasting.

As shown in Figures 12-14, the dust removal unit includes a filter housing 14, which is divided into a filter chamber 141 for filtering dust and an air collection chamber 15 for collecting filtered air; the filter chamber 141 is provided with a dust suction filter element 1401, the air outlet end of the dust suction filter element 1401 communicates with the gas collection chamber 15; the dust suction filter element 1401 includes a filter element layer 1402, and the filter element layer 1402 is sleeved with The air guide 1404 that guides the gas from the air outlet end of the dust suction filter element 1401 to the filter layer 1402, there is a distance 1403 between the filter layer 1402 and the air guide 1404; the gas collection chamber 15 is provided with an air blower 1501, the air inlet end of the air blowing part 1501 extends out of the filter housing 14 and communicates with an air supply assembly 19, and the air blowing end of the air blowing part 1501 is arranged toward the air outlet end of the dust suction filter element 1401; The side of the filter housing 14 is connected with a second separation unit 13 that can be disassembled in the filter housing 14; the second separation unit 13 includes a separation housing 1301, and the separation housing 1301 is provided with a The second cyclone separation chamber 1302 of chips, the intake end and separation end of the second cyclone separation chamber 1302 communicate with the outside, the exhaust end of the second cyclone separation chamber 1302 communicates with the filter chamber 141; the filter housing A fan device 20 is arranged on the body 14 , and the fan device 20 communicates with the gas collection chamber 15 .

In this embodiment, there are multiple dust suction filter elements 1401, and the plurality of dust suction filter elements 1401 are set in a vertical state, and each of the dust suction filter elements 1401 has an upper end opening, and its upper end opening is a dust suction filter element 1401 The air outlet end of the dust suction filter element 1401 is closed and arranged at the lower end.

In order to better realize gas guidance, the air guide 1404 includes a conical section 1405 in a conical structure and a cylindrical section 1406 in a cylindrical structure. In the air blowing end, the bottom end of the tapered section 1405 is connected with the cylindrical section 1406 . The inside of the flow guide 1404 is hollow, and the inside of the flow guide 1404 is sleeved with a connecting rod 1407 ; The air guide 1404 with a hollow design can save material and reduce the weight of the device at the same time. The setting of the connecting rod 1407 can ensure the stability of the hollow flow guide 1404 .

As shown in FIG. 3 , the filter housing 14 is provided with a first connection sleeve 16 extending toward the second separation unit 13 , and the exhaust end of the second separation unit 13 is communicated with the first connection sleeve. 16 is a second connection sleeve 1306 that is compatible with the first connection sleeve 16 , and the second connection sleeve 1306 is detachably socketed on the first connection sleeve 16 . The purpose of this design is to realize the detachable connection between the second separation unit 13 and the filter housing 14, so that users can disassemble and assemble at any time according to their needs. The filter housing 14 extends toward the second separation unit 13 and is provided with a positioning platform 17 for positioning and installing the separation housing 1301, and the separation housing 1301 is provided with a guide for guiding the positioning platform 17 to pass through. Channel 1307 , when the separation housing 1301 is moved to make the positioning platform 17 pass through the guide channel 1307 , the second connecting sleeve 1306 is positioned and attached to the first connecting sleeve 16 . The positioning platform 17 and the guiding channel 1307 are positioned in cooperation with each other, so that the second connecting sleeve 1306 can be accurately positioned and attached to the first connecting sleeve 16 .

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

The separation housing 1301 is provided with a locking member 1308 , and the filter housing 14 is provided with a clamping member 18 which forms a locking fit with the locking member 1308 . The locking fit between the locking member 1308 and the clamping member 18 can further ensure the stability of the connection between the filter housing 14 and the separation housing 1301 .

The air supply assembly 19 includes an air storage tank 1901, the air storage tank 1901 is provided with connecting pipes corresponding to the number of dust suction filter elements 1401, the connecting pipes communicate with the air blowing parts 1501, and the connecting pipes are provided with There is a control valve 1902 . An oil-water separator 1903 is provided on the air intake pipe of the air storage tank 1901 , and the air storage tank 1901 is connected to an external air source through the oil-water separator 1903 . Oil-water separation is performed on the incoming gas through the oil-water separator 1903 to ensure that the gas entering the gas storage tank 1901 does not contain oil and water, so as to prevent dust particles from sticking to the dust suction filter element during the blowing process due to the oil and water in the blown gas, which will affect the Cleaning of the dust filter.

Below the filter chamber 141, several filter dust outlets 1408 are arranged, and each of the filter dust outlets 1408 is connected to each other. The filter dust outlet 1408 is provided with a filter dust switch 1409, and the filter dust outlet A filter dust guide mechanism 1410 in the shape of a funnel is arranged between 1409 and the filter dust outlet 1408 . The filter dust outlet switch 1409 is designed to facilitate the user to close and open the filter dust outlet 1408 at any time, and the funnel-shaped filter dust outlet guide mechanism 1410 can effectively guide and discharge dust.

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

The dust-containing gas generated during the wood grinding process is passed into the second cyclone separation chamber 1302 through the inlet end of the second cyclone separation chamber 1302 to separate the dust, and the gas primary separated by the second cyclone separation chamber 1302 is sent into the Dust dust is filtered in the filter chamber 141, and the clean air filtered by dust suction is discharged from the air outlet end of the dust suction filter element 1401 into the air collection chamber 15, and then the clean air in the air collection chamber 15 is drawn out and discharged to the air collection chamber 15 by the fan device 20. external.

When the dust removal unit is in a non-working state, the air supply assembly 19 supplies gas to the blower 1501 , the blower 1501 blows out gas, and the gas is guided by the guide 1404 to blow back the filter layer 1402 to remove dust.

The dust removal unit separates and filters the dust-containing gas in order to fully purify the gas, with high dust removal efficiency, preventing the gas from carrying dust particles to pollute the environment again, and improving the working environment. On the other hand, the dust suction filter element 1401 is provided with a deflector 1404, so that the gas can blow and remove dust on the filter core layer 1402 more efficiently under the guidance of the deflector 1404, effectively remove the dust on the filter core layer 1402, and prevent clogging. Improve the service life of the dust suction filter element 1401.

Between the first cyclone separator 71 and the conveying device 4, a dust blowing assembly 11 for blowing away dust on the surface of the plank is provided. The dust blowing opening 1103 communicated with the recovery assembly 8, the dust blowing tube 1101 is provided with a plurality of dust blowing plates 1105, the adjacent dust blowing plates 1105 are surrounded by a dust blowing channel 1106 communicating with the dust blowing opening 1103, The air outlet of the dust blowing channel 1106 is set towards the conveying device 4, and the top of the dust blowing cylinder 1101 is provided with an air blowing port 1104 communicating with the dust blowing channel 1106; the dust blowing cylinder 1101 is provided with a communication port 1102, the The communication port 1102 is provided in communication with the separation end of the first cyclone separator 71 .

The recovery assembly 8 is connected with a screening unit 9, and the screening unit 9 screens the sand recovered by the recovery assembly 8; the discharge port of the screening unit 9 is connected with the lifting unit 12, and the screening unit 9 After being divided, the abrasive material returns to the polishing and grinding unit through the lifting unit 12 . The sieving unit 9 includes a sieve box 91, a sieve feeding port 92 is provided above the sieve box 91, and several sieves 93 are arranged in the sieve box 91, and each sieve 93 is arranged along the sieve. The inner cavity of the box 91 is arranged sequentially from top to bottom; the screen 93 protrudes toward the screening inlet 92 , and the top of the screen 93 transitions smoothly to the bottom of the screen 93 . The screen 93 is provided with a guide plate that is spirally arranged around the screening inlet 92, and the guide plate guides the sand to move on the screen 93, so that the sand is spread on the screen 93 on. The screen box 91 is provided with a screening outlet, one end of the lifting unit 12 communicates with the screening outlet, and the other end communicates with the sandblasting inlet 610 .

The operating principle of the sandblasting and grinding system of the present invention is as follows:

The wood boards are fed in from the wood board feeding port, and after being sand blasted by the sand blasting device and polished by the polishing device, they are sent out from the wood board discharge port to complete the sand blasting and polishing of the wood boards.

The dust-containing inlet of the first cyclone separator 71 is communicated with the sandblasting device, and after the dust-containing air generated in the sandblasting device is extracted, it is sent to the first cyclone separator 71 for separation and dust removal treatment, and after passing through the first cyclone separator 71 The separated gas passes into the second separation unit to separate the dust again, and the sand material separated by the first cyclone separator 71 falls into the recovery assembly 8 from the first separation dust outlet 76 .

The air after the dust is separated by the second separation unit is sent into the filter chamber 141 to filter the dust, and the clean air filtered by the dust is discharged from the outlet end of the dust filter element 1401 into the air collection chamber 15, and then the fan device 20, the clean air in the air collection chamber 15 is extracted and discharged to the outside.

After the recovery component 8 collects the sand in a unified manner, it is input into the screening unit 9 through the recovery discharge port 83 for screening treatment. After screening, the sand is output from the screening discharge port and returned to the polishing and polishing process through the lifting unit 12. The unit is used to pass the sieved sand into the sandblasting feed port 610 for sandblasting.

The above is only a preferred embodiment of the present invention. For those skilled in the art, without departing from the implementation principle of the present invention, the embodiments can still be modified, and the corresponding modification schemes should also be regarded as the present invention. protection scope of the invention.

Claims (10)

1. The sandblasting and grinding system is characterized in that: it includes a polishing and grinding unit, a dust removal unit and a lifting unit; The polishing and polishing unit includes a frame, and the frame is provided with a plank feed port and a plank discharge port, and a conveying device for carrying planks is arranged between the plank charge port and the plank discharge port; The frame is also provided with a recovery component for recovering sand and dust, and a sandblasting and polishing component for sandblasting and polishing the wooden board. The sandblasting and polishing component is arranged above the recovery component, and the recovery component recovers The sand material dropped by the sandblasting and polishing assembly; the sandblasting and polishing assembly includes a sandblasting device and a polishing device arranged in sequence, and the sandblasting device is provided with a sandblasting assembly that can rotate relative to the conveying device; The dust removal unit is in communication with the polishing unit, and is used for separating the dust generated by the polishing unit; The feeding end and the discharging end of the lifting unit are respectively connected to the recovery component and the polishing unit, and the lifting unit transports the sand material recovered by the recovery component, so that the sand material returns to the place through the lifting unit. The above mentioned polishing and grinding unit. 2. The sandblasting system according to claim 1, wherein the polishing unit further comprises a first cyclone separator, the dust inlet of the first cyclone separator communicates with the sandblasting device, The first cyclone separator is used to separate the sand and dust from the sandblasting device; the gas outlet of the first cyclone separator communicates with the dust removal unit. 3. The sandblasting and grinding system according to claim 1, wherein a dust suction assembly is arranged in the polishing device, and the dust suction assembly extracts the dust in the polishing device and discharges the dust from the machine. off the shelf. 4. The sandblasting and grinding system according to claim 1, wherein the sandblasting device includes a base fixed to the frame, and the base is provided with a device that can rotate relative to the base to realize its own lifting action. The lifting assembly of the base is provided below the base with a sand storage box that can rotate relative to the base, and the sand storage box is connected with a sandblasting assembly for sandblasting and polishing the wooden board; the lifting assembly is connected with a lifting platform, so The lifting platform is connected with a rotating assembly for driving the rotation of the sand storage box; when the lifting assembly rotates, the lifting assembly drives the lifting platform to move up and down, and the rotating assembly and the sandblasting assembly are linked to perform synchronous lifting actions. 5. The sandblasting system according to claim 4, wherein the lifting assembly includes a plurality of transmission rods that can rotate relative to the base to realize the lifting action, each of the transmission rods is provided with a first lifting Transmission wheels, each of the first lifting transmission wheels is jointly wound with a lifting transmission belt for linkage rotation; the transmission rods are connected with the lifting platform, and a plurality of transmission rods are arranged around the rotating assembly; when the first When a lifting transmission wheel rotates in conjunction with the lifting transmission belt, each of the transmission rods performs a synchronous rotational movement, driving the lifting table to perform a lifting action along the axial direction of the transmission rods. 6. The sandblasting system according to claim 1, wherein the dust removal unit includes a filter housing, and the filter housing is divided into a filter chamber for filtering dust and an air collector for collecting filtered air. The side of the filter housing is connected with a second separation unit detachable from the filter housing; the second separation unit includes a separation housing, and the separation housing is provided with a second Cyclone separation chamber, the inlet end of the second cyclone separation chamber communicates with the polishing unit, the separation end of the second cyclone separation chamber communicates with the outside, the exhaust end of the second cyclone separation chamber communicates with the filter room connected. 7. The sandblasting and grinding system according to claim 6, wherein a dust suction filter element is arranged in the filter chamber, and the air outlet end of the dust suction filter element communicates with the gas collection chamber; The filter element includes a filter element layer, and the filter element layer is sleeved with a flow guide that guides the gas to flow from the outlet end of the dust suction filter element towards the filter element layer, and there is a distance between the filter element layer and the flow guide; An air blowing part is arranged in the room, the air inlet end of the air blowing part protrudes out of the frame and communicates with an air supply assembly, and the air blowing end of the air blowing part is arranged toward the air outlet end of the dust suction filter element. 8. The sandblasting system according to claim 1, wherein the recycling assembly is connected with a screening unit, and the screening unit screens the sand reclaimed by the recycling assembly; the screening unit The discharge port is connected with the lifting unit, and the sand after screening is returned to the polishing unit through the lifting unit. 9. The sandblasting and grinding system according to claim 8, wherein the sieving unit comprises a sieve box, a sieve feeding port is provided above the sieve box, and several sieve boxes are arranged in the sieve box. Each of the screens is arranged sequentially from top to bottom along the inner cavity of the screen box; the screens protrude toward the screening feed inlet, and the top of the screen is connected to the bottom of the screen Smooth transition. 10. The sandblasting and grinding system according to claim 9, wherein a guide plate arranged spirally around the screening inlet is arranged on the screen, and the guide plate guides the sand on the screen. The screen is moved so that the sand material is spread flat on the screen.

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