CN114589589A

CN114589589A - Sander for processing plates with different thicknesses

Info

Publication number: CN114589589A
Application number: CN202210289684.6A
Authority: CN
Inventors: 冯永琳
Original assignee: Qingdao Shengnoriya Machinery Manufacturing Co ltd
Current assignee: Qingdao Shengnoriya Machinery Manufacturing Co ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-06-07

Abstract

The invention relates to a sander for processing plates with different thicknesses, which belongs to the field of sanding of plates and comprises a rack, wherein a conveyor belt is arranged on the rack, a dust cover is fixedly arranged at the top of the rack, the dust cover is positioned above the conveyor belt, and a sanding mechanism is arranged in the dust cover; the sanding mechanism comprises an abrasive belt roller which is rotatably connected to the dust cover and is close to the bottom of the conveyor belt, and a power roller which is positioned at the position of the dust cover and is close to the top of the dust cover, wherein abrasive belts are sleeved outside the abrasive belt roller and the power roller; the two sides of the abrasive belt roller are respectively provided with press rollers with the same structure; two symmetrical sides of the dust cover are provided with adjusting mechanisms for adjusting the distance between the abrasive belt roller and the conveyor belt and between the compression roller and the conveyor belt; the adjusting mechanism comprises sliding blocks arranged at two ends of the abrasive belt roller and the compression roller, a vertically-arranged sliding groove is formed in the position, corresponding to the sliding blocks, of the dust cover, a positioning frame is connected in the sliding groove in a vertical sliding mode, and a driving assembly for driving the positioning frame to vertically slide in the sliding groove is arranged on the dust cover. The invention has the effect of processing plates with different thicknesses.

Description

Sander for processing plates with different thicknesses

Technical Field

The invention relates to the field of plate processing, in particular to a sander for processing plates with different thicknesses.

Background

At present, a sander, also called a polishing machine, is one of the devices commonly used in the modern wood processing industry, and is used for sanding a workpiece by using a cutting tool with abrasive materials (abrasive cloth or abrasive paper) so as to improve the thickness precision, flatness and roughness quality of the workpiece, and processing a good base surface for the surface decoration of a wooden part and the secondary processing (wood grain printing, paper pasting, veneer pasting and the like) of paint or a plate. Therefore, sanding machines are widely used for finishing various artificial boards, wooden articles, and the like. The sander can machine not only a plane, but also an outer circle, an inner circle surface, an arc surface and a molding surface. The sander can be used for processing a base surface to be painted and also can be used for sanding and polishing a paint coating. Therefore, the sander is one of necessary devices for processing wooden products of enterprises such as woodware, furniture, vehicles, ships, buildings, war industry, wood molds, wooden toys and the like.

In the sanding machine in the prior art, the surface of the plate is smoother and the thickness of the plate is uniform through physical removal modes such as abrasive cloth, a grinding wheel, abrasive paper, an abrasive belt and the like, and the method for making the plate reach the standard by the process is applied to various veneering process production, standard structural member manufacturing, toy handicraft industry, decoration and furniture industry, floor and wallboard building material industry and the like.

The existing sander is provided with a conveyor belt which is positioned below a sanding belt and used for driving a plate to be conveyed from the bottom of the sanding belt, and a gap between the sanding belt and the conveyor belt is usually fixed, so that only one thickness of the plate can be machined by one sander.

Disclosure of Invention

In order to process plates with different thicknesses, the invention provides a sander for processing plates with different thicknesses.

The sander for processing plates with different thicknesses adopts the following technical scheme:

a sander for processing plates with different thicknesses comprises a rack, wherein a conveyor belt is arranged on the rack, a dust cover is fixedly arranged at the top of the rack and is positioned above the conveyor belt, and a sanding mechanism is arranged in the dust cover; the sanding mechanism comprises an abrasive belt roller which is rotatably connected to the dust cover and is close to the bottom of the conveyor belt, and a power roller which is positioned at the position of the dust cover and is close to the top of the dust cover, wherein abrasive belts are sleeved outside the abrasive belt roller and the power roller; the two sides of the abrasive belt roller are respectively provided with press rollers with the same structure; two symmetrical sides of the dust cover are provided with adjusting mechanisms for adjusting the distance between the abrasive belt roller and the conveyor belt and between the compression roller and the conveyor belt; the adjusting mechanism comprises sliding blocks arranged at two ends of the abrasive belt roller and the compression roller, a vertically-arranged sliding groove is formed in the position, corresponding to the sliding blocks, of the dust cover, a positioning frame is connected in the sliding groove in a vertical sliding mode, and a driving assembly for driving the positioning frame to vertically slide in the sliding groove is arranged on the dust cover.

Through adopting above-mentioned technical scheme, drive assembly drive locating frame vertical movement, and then can drive abrasive band roller and compression roller vertical movement, can adjust the distance between abrasive band roller, compression roller and the conveyer belt promptly, and then make the panel of different thickness pass through on can following the conveyer belt, and the abrasive band on the abrasive band roller can carry out the sanding to the panel of different thickness and cut, makes the grinder can process the panel of different thickness.

Optionally, the driving assembly comprises a positioning plate fixedly arranged on the dust cover, a screw rod is connected to the positioning plate in a threaded manner, the screw rod is axially vertically arranged and penetrates through the positioning plate, a connecting rod horizontally arranged is rotatably connected to the bottom of the screw rod, and the connecting rod is fixed to the abrasive belt roller and the positioning frame on the compression roller, which are located on the same side of the dust cover.

By adopting the technical scheme, the worm wheel is connected to the screw rod in a threaded manner, the screw rod penetrates through the middle part of the worm wheel, the worm is meshed with the worm wheel, the worm wheel and the worm are covered by the protective cover, the protective cover is fixedly connected to the top of the positioning plate, the top of the positioning plate is fixedly provided with the driving motor, and the output shaft of the driving motor is fixedly connected to the worm; the driving motor works to drive the screw rod to vertically slide, so that the connecting rod is driven to vertically slide, the vertical movement of the positioning frame can be adjusted, and the positions of the compression roller and the abrasive belt roller can be synchronously adjusted.

Optionally, the top of the sliding block is fixedly provided with a buffer spring, the bottom of the buffer spring is fixedly arranged at the top of the sliding block, and the top of the buffer spring is fixedly arranged at the top wall of the positioning frame.

Through adopting above-mentioned technical scheme, when hard article appear on the panel, abrasive band and abrasive band roller receive the striking back and upwards move, compress buffer spring, reduce the impact and the wearing and tearing of abrasive band roller and abrasive band, and then prolong the life of abrasive band and abrasive band roller.

Optionally, a tensioning mechanism is arranged on the dust cover; straining device includes the tensioning roller, the transmission direction of the axial perpendicular to conveyer belt of tensioning roller, the tensioning roller is located the inside wall in abrasive band, and with abrasive band inner wall butt, the spacing groove has been seted up to the both sides of dust cover symmetry, the spacing inslot of dust cover sets firmly the spacing frame that the level set up, the both ends of tensioning roller are connected with the guide block, the guide block slides and connects in spacing frame, the tensioning spring has set firmly in spacing frame, the one end of tensioning spring sets firmly in spacing frame, other end fixed connection is on the guide block, the tensioning spring is located one side that the abrasive band was kept away from to the guide block.

By adopting the technical scheme, when the abrasive belt roller moves downwards, the tension of the abrasive belt pushes the tension roller, the guide blocks at two ends of the tension roller compress the tension spring, after the abrasive belt roller is adjusted to move upwards, the pressure of the abrasive belt on the tension roller is reduced, the tension of the tension spring pushes the guide blocks to slide towards one side of the abrasive belt, so that the tension roller is tightly abutted against the inner side wall of the abrasive belt, the abrasive belt is tensioned, and the abrasive belt is prevented from slipping.

Optionally, a cleaning mechanism is arranged on the dust cover; clearance mechanism is including sliding the high-pressure jet-propelled pipe of connecting in the dust cover, and the length direction level of high-pressure jet-propelled pipe sets up and the transmission direction of perpendicular to conveyer belt, and the air jet has evenly been seted up along its axial to high-pressure jet-propelled pipe, and the air jet is towards the abrasive band setting, and high-pressure jet-propelled pipe is connected with outside high-pressure air supply, and the outside of protection casing is provided with the power component that the jet-propelled pipe of drive high pressure reciprocated sliding.

By adopting the technical scheme, the airflow of the high-pressure air injection pipe is sprayed onto the abrasive belt through the air injection port, the impact force of the airflow blows out waste materials in the gap of the abrasive belt, the abrasive belt is convenient to clean, and the power assembly drives the high-pressure air injection pipe to horizontally slide, so that the abrasive belt is cleaned more thoroughly.

It is optional, power component includes the fixation in the locating lever in the protection casing outside, it drives actuating cylinder to set firmly on the locating lever, the cylinder body that drives actuating cylinder sets firmly on the locating lever, it has the connecting rod to drive actuating cylinder piston rod tip articulated, the top of connecting rod articulates on the locating lever, the piston rod tip that drives actuating cylinder articulates in the middle part of connecting rod, the bottom of connecting rod articulates there is an pendulum rod, the one end that the connecting rod was kept away from to the pendulum rod extends to in the dust cover and sets firmly on the high-pressure jet pipe, the middle part of locating lever articulates there is auxiliary stay bar, sliding groove has been seted up at auxiliary stay bar's middle part, the middle part of pendulum rod is provided with the bolt, threaded connection is on the pendulum rod after the bolt passed sliding groove, the bolt can slide in sliding groove.

By adopting the technical scheme, the driving cylinder pushes the connecting rod to swing, the connecting rod drives the swing rod to swing horizontally, and then the high-pressure air injection pipe is driven to swing horizontally, the abrasive belt is injected more thoroughly, the auxiliary supporting rod plays a supporting role in the swing rod, and the swing rod is enabled to be more stable in the swinging process.

Optionally, a dust removal assembly is arranged at the top in the dust cover; the dust removal subassembly includes the fixed plate that a level set up, and the bottom of fixed plate has set firmly a corona plate and two dust collecting plates, evenly sets up the clearance that supplies the dust to pass on corona plate and the dust collecting plate.

Through adopting above-mentioned technical scheme, the dust in the dust cover is electrified to the corona plate messenger, and the dust collecting plate can adsorb electrified dust, and the dust in the dust cover can concentrate on adsorbing on the dust collecting plate, is convenient for collect the dust in the dust cover.

Optionally, the protective cover is spliced with a material receiving groove, the material receiving groove is located below the corona plate and the dust collecting plate, the outer sleeve of the corona plate and the dust collecting plate is provided with a scraper, two sides of the top of the fixing plate are respectively and fixedly provided with a material pushing cylinder, and the end part of the piston rod of the material pushing cylinder is downwards arranged and fixedly arranged on the scraper.

Through adopting above-mentioned technical scheme, the piston rod that pushes away the material cylinder extends, and the scraper blade scrapes adsorbed dust on the dust collecting plate and the accumulational dust on the corona plate down, makes the dust drop to connect the silo in, is convenient for clear up the dust on the dust collecting plate.

Drawings

Fig. 1 is a schematic structural diagram of the embodiment.

Fig. 2 is a sectional view of the embodiment.

FIG. 3 is a cross-sectional view for highlighting the adjustment mechanism.

Fig. 4 is an enlarged view of a portion a of fig. 3.

Fig. 5 is a cross-sectional view showing the same structure of the adjustment mechanism on both sides.

Fig. 6 is a schematic view showing the structure of the pressing roller 12 and the buffer spring.

Fig. 7 is a schematic illustration of a sanding mechanism and tensioning mechanism.

Fig. 8 is a schematic diagram illustrating the sanding mechanism.

Fig. 9 is a schematic structural view of the cleaning mechanism.

Fig. 10 is an enlarged view of a portion B of fig. 8.

FIG. 11 is a schematic view showing the structure of the dust collecting plate, corona plate and receiving groove.

FIG. 12 is a cross-sectional view for highlighting the squeegee.

Description of reference numerals: 1. a frame; 11. a conveyor belt; 12. a compression roller; 13. a dust cover; 131. a chute; 132. a limiting groove; 2. a sanding mechanism; 21. a belt roller; 22. a power roller; 23. an abrasive belt; 24. a tension roller; 3. an adjustment mechanism; 31. a slider; 311. a guide groove; 32. a positioning frame; 321. a guide bar; 33. a drive assembly; 331. positioning a plate; 332. a screw; 333. a connecting rod; 334. a worm gear; 335. a worm; 336. a protective cover; 337. a drive motor; 34. a buffer spring; 4. a tensioning mechanism; 41. a tension roller; 42. a limiting frame; 43. a guide block; 44. a tension spring; 5. a cleaning mechanism; 51. a high-pressure gas ejector pipe; 511. an air jet; 52. a positioning frame; 521. positioning a groove; 53. positioning a rod; 54. a driving cylinder; 55. a connecting rod; 56. a swing rod; 57. an auxiliary support bar; 571. a sliding groove; 58. a dust removal assembly; 581. a fixing plate; 582. a corona plate; 583. a dust collecting plate; 584. a material receiving groove; 585. a squeegee; 586. push away material cylinder.

Detailed Description

The present invention is described in further detail below with reference to figures 1-12.

The embodiment of the invention discloses a sander for processing plates with different thicknesses. Referring to fig. 1 and 2, a grinder of processing different thickness panel includes frame 1, be provided with conveyer belt 11 in frame 1, the top of frame 1 has set firmly dust cover 13, dust cover 13 is located the top of conveyer belt 11, be provided with dull polish mechanism 2 in the dust cover 13, dull polish mechanism 2 is used for polishing the panel top, dull polish mechanism 2's both sides are provided with the compression roller 12 that the structure is the same, compression roller 12 is used for spacing the top of panel, the axial perpendicular to conveyer belt 11's of compression roller 12 transmission direction sets up.

The sanding mechanism 2 comprises a sanding belt roller 21 and a power roller 22, wherein the sanding belt roller 21 is rotatably connected to the dust cover 13 and is close to the bottom of the conveyor belt 11, the power roller 22 is located at the position, close to the top, of the dust cover 13, the axial directions of the sanding belt roller 21 and the power roller 22 are perpendicular to the conveyor belt 11, a sanding belt 23 is sleeved outside the sanding belt roller 21 and the power roller 22, a tension roller 24 is further rotatably connected to the middle of the dust cover 13, the axial direction of the tension roller 24 is perpendicular to the transmission direction of the conveyor belt 11, the sanding belt 23 is wound around the outer side of the tension roller 24, and the tension roller 24 plays a tensioning role in the sanding belt 23 to prevent the sanding belt 23 from slipping.

Referring to fig. 3 and 4, in order to process the plates with different thicknesses, the two symmetrical sides of the dust cover 13 are provided with the adjusting mechanisms 3 for adjusting the heights of the abrasive belt roller 21 and the press roller 12, and the adjusting mechanisms 3 can adjust the gap between the abrasive belt roller 21 and the press roller 12 and the conveyor belt 11, so that the plates with different thicknesses can pass through the lower parts of the abrasive belt 23 and the press roller 12. The adjusting mechanism 3 comprises sliding blocks 31 arranged at two ends of the abrasive belt roller 21 and the compression roller 12, the sliding blocks 31 are square, sliding grooves 131 are formed in positions of the dust cover 13 corresponding to the sliding blocks 31, and the sliding grooves 131 are vertically arranged; the vertical sliding connection has the locating frame 32 in the spout 131, and the both sides of dust cover 13 symmetry are provided with the drive assembly 33 that the structure is the same, and drive assembly 33 is located the homonymy of dust cover 13, and drive assembly 33 is used for driving locating frame 32 vertical motion in spout 131, and then adjusts the position of abrasive band roller 21 and compression roller 12.

Referring to fig. 4 and 5, the driving assembly 33 includes a positioning plate 331 fixed on the dust cover 13, a screw rod 332 is connected to the positioning plate 331 through a thread, the screw rod 332 is axially vertically disposed and penetrates through the positioning plate 331, the positioning plate 331 is located above the sliding slot 131, a connecting rod 333 is rotatably connected to the bottom of the screw rod 332, the connecting rod 333 is horizontally disposed, and the connecting rod 333 is fixed to the positioning frames 32 on the belt roller 21 and the compression roller 12 located on the same side of the dust cover 13; a worm wheel 334 is connected to the screw rod 332 in a threaded manner, the screw rod 332 penetrates through the middle of the worm wheel 334, a worm 335 is meshed with the worm 334, a protective cover 336 is arranged outside the worm wheel 334 and the worm 335, the protective cover 336 is fixedly connected to the top of the positioning plate 331, a driving motor 337 is fixedly arranged on the top of the positioning plate 331, and an output shaft of the driving motor 337 is fixedly connected to the worm 335; the driving motor 337 operates to drive the screw 332 to slide vertically, so as to drive the connecting rod 333 to slide vertically, thereby adjusting the vertical movement of the positioning frame 32, and further achieving the synchronous adjustment of the positions of the pressure roller 12 and the belt roller 21.

Referring to fig. 6, guide strips 321 are fixedly arranged on the symmetrical inner walls of the positioning frame 32, the guide strips 321 are vertically arranged, guide grooves 311 are formed in the two symmetrical sides of the slide block 31, the guide strips 321 are inserted into the guide grooves 311 of the slide block 31, the slide block 31 is vertically arranged in the positioning frame 32, a buffer spring 34 is fixedly arranged on the top of the slide block 31, the bottom of the buffer spring 34 is fixedly arranged on the top of the slide block 31, and the top of the buffer spring 34 is fixedly arranged on the top wall of the positioning frame 32; when a hard object is present on the plate, belt 23 and belt roller 21 move upward after being impacted, compressing buffer spring 34, reducing impact and wear of belt roller 21 and belt 23, and further prolonging service life of belt 23 and belt roller 21.

Referring to fig. 1 and 7, in order to prevent the sanding belt 23 from slipping after the upward movement of the sanding belt roller 21 is driven, a tensioning mechanism 4 is provided in the dust cover 13. The tensioning mechanism 4 comprises a tensioning roller 41, the axial direction of the tensioning roller 41 is perpendicular to the transmission direction of the conveyor belt 11, the tensioning roller 41 is located on the inner side wall of the abrasive belt 23 and is abutted against the inner wall of the abrasive belt 23, two symmetrical sides of the dust cover 13 are provided with limiting grooves 132, the length direction of the limiting grooves 132 is parallel to the transmission direction of the conveyor belt 11, limiting frames 42 are fixedly arranged in the limiting grooves 132 of the dust cover 13, the limiting frames 42 are horizontally arranged, two ends of the tensioning roller 41 are connected with guide blocks 43, the guide blocks 43 are connected in the limiting frames 42 in a sliding manner, tensioning springs 44 are fixedly arranged in the limiting frames 42, one ends of the tensioning springs 44 are fixedly arranged in the limiting frames 42, the other ends of the tensioning springs 44 are fixedly connected to the guide blocks 43, and the tensioning springs 44 are located on one side of the guide blocks 43 away from the abrasive belt 23; when the abrasive belt roller 21 moves downwards, the tension of the abrasive belt 23 pushes the tension roller 41, the guide blocks 43 at the two ends of the tension roller 41 compress the tension spring 44, after the abrasive belt roller 21 is adjusted to move upwards, the pressure of the abrasive belt 23 on the tension roller 41 is reduced, and the tension of the tension spring 44 pushes the guide blocks 43 to slide towards one side of the abrasive belt 23, so that the tension roller 41 is tightly abutted against the inner side wall of the abrasive belt 23, the abrasive belt 23 is tensioned, and the abrasive belt 23 is prevented from slipping.

Referring to fig. 8 and 9, after the sanding belt 23 sands the plate, the surface layer of the sanding belt 23 is bonded by a plurality of mineral sands, gaps exist among the mineral sands, a large amount of debris remains in the gaps on the surface of the sanding belt 23 after the sanding belt 23 is sanded, and the dust cover 13 is provided with a cleaning mechanism 5 for cleaning the debris conveniently. The cleaning mechanism 5 comprises a high-pressure gas injection pipe 51 connected in the dust cover 13 in a sliding manner, the length direction of the high-pressure gas injection pipe 51 is horizontally arranged and is perpendicular to the transmission direction of the conveyor belt 11, gas injection ports 511 are uniformly formed in the high-pressure gas injection pipe 51 along the axial direction of the high-pressure gas injection pipe, the gas injection ports 511 are arranged towards the abrasive belt 23, and the high-pressure gas injection pipe 51 is connected with an external high-pressure gas source; the airflow of the high-pressure air nozzle 51 is sprayed onto the abrasive belt 23 through the air nozzle 511, and the impact force of the airflow blows out the waste in the gap of the abrasive belt 23, so that the abrasive belt 23 is cleaned conveniently.

Referring to fig. 9 and 10, a positioning frame 52 is fixedly arranged in a protective cover 336, a positioning groove 521 is formed in the positioning frame 52, a high-pressure gas injection pipe 51 is connected in the positioning groove 521 of the positioning frame 52 in a sliding manner, a positioning rod 53 is fixedly arranged on the outer side of the protective cover 336, a driving cylinder 54 is fixedly arranged on the positioning rod 53, a cylinder body of the driving cylinder 54 is fixedly arranged on the positioning rod 53, a piston rod end of the driving cylinder 54 is arranged towards a dust cover 13, a connecting rod 55 is hinged to the piston rod end of the driving cylinder 54, the top of the connecting rod 55 is hinged to the positioning rod 53, the piston rod end of the driving cylinder 54 is hinged to the middle of the connecting rod 55, a swing rod 56 is hinged to the bottom of the connecting rod 55, one end of the swing rod 56, which is far away from the connecting rod 55, extends into the dust cover 13 and is fixedly arranged on the high-pressure gas injection pipe 51, a abdicating groove for the swing rod 56 to pass through is formed in the dust cover 13, an auxiliary supporting rod 57 is hinged to the middle of the positioning rod 53, the middle part of the auxiliary support rod 57 is provided with a sliding groove 571, the middle part of the swing rod 56 is provided with a bolt, the bolt penetrates through the sliding groove 571 and then is in threaded connection with the swing rod 56, the bolt can slide in the sliding groove 571, and the auxiliary support rod 57 plays a supporting role in the swing rod 56, so that the swing rod 56 is more stable in the swinging process. The driving cylinder 54 pushes the connecting rod 55 to swing, and the connecting rod 55 drives the swing rod 56 to swing horizontally, so as to drive the high-pressure air injection pipe 51 to swing horizontally, and thus the abrasive belt 23 is sprayed more thoroughly.

Referring to fig. 8 and 11, the cleaning mechanism 5 further includes a dust extraction assembly 58 disposed at the top inside the dust cover 13. Dust removal subassembly 58 includes a fixed plate 581, fixed plate 581 level sets up in the top of dust cover 13, the bottom of fixed plate 581 sets firmly one corona plate 582 and two collecting plate 583, evenly set up the clearance that supplies the dust to pass on corona plate 582 and the collecting plate 583, corona plate 582 is located one side that fixed plate 581 is close to high-pressure air ejector pipe 51, corona plate 582 makes the dust in the dust cover 13 electrified, collecting plate 583 can adsorb electrified dust, the dust in the dust cover 13 can concentrate and adsorb on collecting plate 583.

The dust collecting device is characterized in that a material receiving groove 584 is inserted into the protective cover 336, the material receiving groove 584 can be drawn out from one side of the dust cover 13, the material receiving groove 584 is located below the corona plate 582 and the dust collecting plate 583, the corona plate 582 and the dust collecting plate 583 are sleeved with a scraper 585, two material pushing cylinders 586 are respectively and fixedly arranged on two sides of the top of the fixed plate 581, the material pushing cylinders 586 are vertically arranged, cylinder bodies of the material pushing cylinders 586 are fixedly arranged on the fixed plate 581, the end portions of piston rods of the material pushing cylinders 586 are fixedly arranged on the scraper 585, the piston rods of the material pushing cylinders 586 stretch, the scraper 585 scrapes off dust adsorbed on the dust collecting plate 583 and dust accumulated on the corona plate 582, so that the dust drops into the material receiving groove 584, and the dust on the dust collecting plate 583 can be conveniently cleaned.

The implementation principle of the sander for processing the plates with different thicknesses in the embodiment of the invention is as follows: when the thickness of different plates needs to be processed, the driving motors 337 on the two sides of the dust cover 13 are controlled to work to drive the grinding wheel roller and the pressing roller 12 to move vertically, so that the distance between the pressing roller 12 and the grinding belt 23 to the conveyor belt 11 is adjusted, and the plates with different thicknesses can be processed conveniently.

When the abrasive belt 23 is cleaned, high-pressure airflow is sprayed onto the abrasive belt 23 through the high-pressure air spraying pipe 51, the driving cylinder 54 is driven to push the high-pressure air spraying pipe 51 to swing horizontally, the abrasive belt 23 is sprayed more thoroughly, dust blown up by the airflow is electrified after passing through the corona plate 582, the electrified dust is adsorbed on the dust collecting plate 583, the material pushing cylinder 586 pushes the scraper plate 585 to move downwards, and the dust on the dust collecting plate 583 is scraped down to the material receiving groove 584, so that the dust is collected conveniently.

The above are all preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a grinder of different thickness panels of processing, includes frame (1), is provided with conveyer belt (11) on frame (1), and the top of frame (1) has set firmly dust cover (13), and dust cover (13) are located the top of conveyer belt (11), its characterized in that:

a grinding mechanism (2) is arranged in the dust cover (13);

the sanding mechanism (2) comprises a sanding belt roller (21) which is rotatably connected to the dust cover (13) and is close to the bottom of the conveyor belt (11), and a power roller (22) which is positioned at the position, close to the top, of the dust cover (13), and sanding belts (23) are sleeved outside the sanding belt roller (21) and the power roller (22);

the two sides of the abrasive belt roller (21) are respectively provided with press rollers (12) with the same structure;

two symmetrical sides of the dust cover (13) are provided with adjusting mechanisms (3) for adjusting the distance between the abrasive belt roller (21) and the conveyor belt (11) and the distance between the compression roller (12) and the conveyor belt (11);

adjustment mechanism (3) are including setting up in slider (31) at sand belt roller (21) and compression roller (12) both ends, and the position that dust cover (13) correspond slider (31) is seted up spout (131) of vertical setting, and vertical sliding is connected with locating frame (32) in spout (131), is provided with drive locating frame (32) vertical gliding drive assembly (33) in spout (131) on dust cover (13).

2. The sander for working boards of different thicknesses as set forth in claim 1, wherein: the driving assembly (33) comprises a positioning plate (331) fixedly arranged on the dust cover (13), a screw rod (332) is connected to the positioning plate (331) in a threaded mode, the screw rod (332) is axially and vertically arranged and penetrates through the positioning plate (331), a connecting rod (333) horizontally arranged is rotatably connected to the bottom of the screw rod (332), and the connecting rod (333) is fixed to the sand belt roller (21) and the positioning frame (32) on the compression roller (12) on the same side as the dust cover (13).

3. The sander for processing boards with different thicknesses as set forth in claim 1, wherein: the top of the sliding block (31) is fixedly provided with a buffer spring (34), the bottom of the buffer spring (34) is fixedly arranged on the top of the sliding block (31), and the top of the buffer spring (34) is fixedly arranged on the top wall of the positioning frame (32).

4. The sander for working boards of different thicknesses as set forth in claim 1, wherein:

the dust cover (13) is provided with a tensioning mechanism (4);

straining device (4) are including tensioning roller (41), the transmission direction of axial perpendicular to conveyer belt (11) of tensioning roller (41), tensioning roller (41) are located the inside wall of abrasive band (23), and with abrasive band (23) inner wall butt, spacing groove (132) have been seted up to the both sides of dust cover (13) symmetry, spacing groove (132) the internal setting of dust cover (13) is equipped with spacing frame (42) that the level set up, the both ends of tensioning roller (41) are connected with guide block (43), guide block (43) slide and connect in spacing frame (42), spacing frame (42) internal setting has tensioning spring (44), the one end of tensioning spring (44) sets firmly in spacing frame (42), other end fixed connection is on guide block (43), tensioning spring (44) are located one side that abrasive band (23) were kept away from in guide block (43).

5. The sander for working boards of different thicknesses as set forth in claim 1, wherein:

a cleaning mechanism (5) is arranged on the dust cover (13);

clearance mechanism (5) are including sliding high pressure jet-propelled pipe (51) of connecting in dust cover (13), the length direction level setting of high pressure jet-propelled pipe (51) and the transmission direction of perpendicular to conveyer belt (11), jet orifice (511) have evenly been seted up along its axial in high pressure jet-propelled pipe (51), jet orifice (511) set up towards abrasive band (23), high pressure jet-propelled pipe (51) are connected with outside high-pressure air supply, the outside of protection casing (336) is provided with drive high pressure jet-propelled pipe (51) power component of reciprocating sliding.

6. The sander for working boards with different thicknesses as set forth in claim 5, wherein: the power assembly comprises a positioning rod (53) fixed outside the protective cover (336), a driving cylinder (54) is fixedly arranged on the positioning rod (53), a cylinder body of the driving cylinder (54) is fixedly arranged on the positioning rod (53), the end part of a piston rod of the driving cylinder (54) is hinged with a connecting rod (55), the top part of the connecting rod (55) is hinged on the positioning rod (53), the end part of the piston rod of the driving cylinder (54) is hinged in the middle part of the connecting rod (55), the bottom part of the connecting rod (55) is hinged with a swing rod (56), one end of the swing rod (56), which is far away from the connecting rod (55), extends into the dust cover (13) and is fixedly arranged on the high-pressure gas injection pipe (51), an auxiliary supporting rod (57) is hinged in the middle part of the positioning rod (53), a sliding groove (571) is formed in the middle part of the auxiliary supporting rod (57), a bolt is arranged in the middle part of the swing rod (56), and is in threaded connection with the swing rod (56) after passing through the sliding groove (571), the bolt can slide in the sliding groove (571).

7. The sander for working boards of different thicknesses as set forth in claim 1, wherein:

a dust removal assembly (58) is arranged at the top in the dust cover (13);

dust removal subassembly (58) include fixed plate (581) of a horizontal setting, and the bottom of fixed plate (581) has set firmly one corona plate (582) and two collecting plate (583), evenly offers the clearance that supplies the dust to pass on corona plate (582) and collecting plate (583).

8. The sanding machine for processing plates with different thicknesses as claimed in claim 7, wherein: protective cover (336) are gone up to peg graft and are had and connect silo (584), connect silo (584) to be located corona plate (582) and dust collecting plate (583) below, corona plate (582) and dust collecting plate (583) overcoat are equipped with scraper blade (585), and the top both sides of fixed plate (581) have set firmly respectively and have pushed away material cylinder (586), and the tailpiece of the piston rod portion who pushes away material cylinder (586) sets up downwards and sets firmly on scraper blade (585).