CN117772653A

CN117772653A - 3D line sweeps detects flatness inspection platform

Info

Publication number: CN117772653A
Application number: CN202311786935.2A
Authority: CN
Inventors: 房飞飞; 闵学海; 彭德延
Original assignee: Huafu Precision Technology Ma'anshan Co ltd
Current assignee: Huafu Precision Technology Ma'anshan Co ltd
Priority date: 2023-12-22
Filing date: 2023-12-22
Publication date: 2024-03-29

Abstract

The invention discloses a 3D line scanning detection flatness inspection platform, which relates to the technical field of detection flatness inspection platforms and comprises a bottom plate, wherein a shell is arranged at the upper end of the bottom plate, a laser scanner is arranged below the shell, the upper end of the bottom plate is positioned on a workpiece table below the shell, two groups of cleaning components are arranged on one side of the workpiece table far away from the shell, a workpiece placement box close to one side of the two groups of cleaning components is slidably arranged at the upper end of the workpiece table, and a pushing component is arranged in the workpiece placement box. When the detection surface of the workpiece is cleaned, the motor rotates to drive the first rotating roller of the other transmission end of the outer wall sleeved with the transmission belt to rotate, the sliding rod is arranged in the first connecting rod to slide, the limiting block makes sliding swinging movement along the two sides of the fixed rod, the brush rod is driven to swing correspondingly, the brush rod cleans dust impurities on the surface of the workpiece placed in the workpiece placement box below, and the influence on the detection effect caused by dust blocking of the workpiece during detection is avoided.

Description

3D line sweeps detects flatness inspection platform

Technical Field

The invention relates to the technical field of detection flatness inspection platforms, in particular to a 3D line scanning detection flatness inspection platform.

Background

The flatness is an index for limiting the variation of an actual plane to an ideal plane and is used for controlling the shape error of the measured actual plane, the flatness of the workpiece is required to be detected, the detected flatness result influences the qualification rate of production, the detection flatness of the workpiece becomes an important link in the high-quality processing process, and the flatness of the detected workpiece is required to be detected to meet the requirement of high-quality processing at present.

The workpiece obtained after machining is required to be detected in various ways to ensure that the quality of the workpiece meets the standard, the workpiece is placed on an inspection platform in another mode of the most common detection method for flatness detection, and the distance from the workpiece surface is measured by a laser displacement sensor.

Disclosure of Invention

Based on this, the present invention aims to provide a 3D line scanning detection flatness inspection platform, so as to solve the technical problems set forth in the background above.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a 3D line is swept and is detected flatness inspection platform, includes the bottom plate, the casing is installed to the upper end of bottom plate, the below of casing is equipped with laser scanner, the upper end of bottom plate is located the below work piece platform of casing, one side that the work piece platform kept away from the casing is equipped with two sets of clearance subassembly, the upper end of work piece platform slides and is equipped with the work piece that is close to two sets of clearance subassembly one sides and places the box, install the pushing component in the work piece placement box, install the collection subassembly in the clearance subassembly, the lead screw is installed to the inner bearing of work piece platform;

the cleaning assembly comprises a chassis fixedly mounted on a bottom plate and close to one side of a workpiece table, a motor is mounted in the chassis, a screw rod is mounted at the output end of the motor through a coupler, a transmission belt is sleeved on the outer wall of the output end of the motor, a first rotating roller mounted on the inner wall of the chassis and penetrating through the outer side of the chassis is sleeved on the inner wall of the other end of the transmission belt, a first connecting rod close to one side of the chassis is fixedly mounted at the other end of the first rotating roller, a sliding rod is sleeved on the inner wall of the first connecting rod, two groups of mounting plates close to the upper side and the lower side of the sliding rod are fixedly mounted at one end of the chassis, a limiting block is fixedly mounted at one end of the sliding rod, a fixing rod penetrating through the inner wall of the limiting block is mounted between the mounting plates, a second rotating roller is sleeved on the outer wall of the fixing rod in a rotating mode, two ends of the second rotating roller are fixed with the end portions of the mounting plate through bearings, and one side of the outer wall of the second rotating roller close to the workpiece placing box is fixedly mounted with a brush rod.

As a preferable technical scheme of the invention, the collecting assembly comprises a piston cylinder fixedly arranged on the inner wall of the case and positioned below the connecting plate, a crank connecting rod is fixedly arranged at the other end of the first rotating roller positioned in the case, an ejector rod extending out of the outer side of the piston cylinder and fixed with a bearing at the end part of the crank connecting rod is slidably arranged in the piston cylinder, a piston sheet is arranged at one end of the ejector rod positioned in the piston cylinder, a telescopic spring fixed with the end part of the piston sheet is arranged at the inner bottom end of the piston cylinder, a positioning rod is arranged between one end of the ejector rod and the crank connecting rod, a connecting pipe penetrating through the case and the mounting plate is arranged at the other end of the piston cylinder, two groups of collecting boxes are fixedly arranged at two sides of the upper end of the workpiece table, which are close to the workpiece placing box, one end of each group of collecting boxes is communicated with the connecting pipe, dust collection openings are arranged at one end of each collecting box, and filter plates are slidably arranged in the collecting boxes.

As a preferable technical scheme of the invention, the pushing assembly comprises a pushing cavity arranged at one side of the inside of the workpiece placing box, two groups of gears extending out of the outside of the workpiece placing box are arranged at two ends in the pushing cavity, a moving plate in contact with the surface of the gears is arranged between the two groups of gears, a first L-shaped block is arranged at the bottom end of the moving plate in the pushing cavity, a second L-shaped block in contact with the bottom end of the closed door is arranged at two ends of the first L-shaped block, two groups of closed doors are rotatably arranged at one end of the workpiece placing box, a sliding groove is arranged at one end of the workpiece table, a limiting plate close to the contact position of the sliding groove is arranged at the upper end of the bottom plate, and two groups of toothed plates in contact with the surface of the gears are arranged at two ends of the inner wall of the casing.

As a preferable technical scheme of the invention, a circular hole is formed at the position where one end of the piston cylinder is connected with the connecting pipe, a one-way valve is arranged in the circular hole, a discharge pipe penetrating and extending to the outer side of the chassis is arranged at one end of the piston cylinder, and the one-way valve is arranged at the position where the discharge pipe is connected with the piston cylinder.

As a preferable technical scheme of the invention, the inner wall of the connecting plate is provided with a through groove at the contact position with the surface of the transmission belt, and the size of the through groove is larger than that of the outer wall of the transmission belt.

As a preferable technical scheme of the invention, support rods are arranged between two ends of the workpiece placing box cavity and two groups of gears, two ends of each support rod are fixedly arranged with two ends of the workpiece placing box cavity through bearings, and the outer walls of the support rods are fixed with the ends of the gears.

As a preferable technical scheme of the invention, a travel groove is formed at the position where one end of the second L-shaped block is contacted with the surface of the first L-shaped block, a sliding rod penetrating through the second L-shaped block and extending to the two ends in the travel groove is arranged in the travel groove, the upper end of the second L-shaped block is fixedly arranged with the closing door through a bearing, and an extension spring fixed with the end part of the second L-shaped block is sleeved on the outer wall of the sliding rod.

As a preferable technical scheme of the invention, the limiting rod fixedly installed in the pushing cavity is penetrated in the moving plate, and the limiting rod is in a circular shape.

As a preferable technical scheme of the invention, two groups of mounting blocks are arranged in the contact positions of the two ends of the filter plate and the collecting box, and mounting grooves are formed in the collecting box at the contact positions with the surfaces of the mounting blocks.

As a preferable technical scheme of the invention, the upper end of the collecting box is provided with the cover plate, and a rubber block is arranged at the contact position of the cover plate and the upper end of the collecting box.

In summary, the invention has the following advantages:

1. according to the invention, when the detection surface of the workpiece is cleaned, the motor rotates to drive the first rotating roller of the other transmission end of the outer wall sleeved with the transmission belt to rotate, the sliding rod is driven to slide in the first connecting rod, the limiting block is driven to do swinging motion sliding along the two sides of the fixed rod, the brush rod is driven to do corresponding swinging, the brush rod is driven to clean dust impurities on the surface of the workpiece placed in the workpiece placement box below, and the influence on the detection effect caused by dust blocking of the workpiece during detection is avoided.

2. When dust is collected, the driving belt rotates to drive the other end of the first rotating roller to rotate, so that the ejector rod and the piston sheet slide in the piston cylinder, meanwhile, the one-way valve in the discharge pipe is closed, and the one-way valve in the connecting pipe is opened, so that the dust cleaned on the surface of a workpiece is sucked through a dust suction port arranged at one end of the collecting box, the dust is cleaned and self-collected, the dust is prevented from being lifted and splashed outwards, and the filter plate can be cleaned by taking the cover plate.

3. When the workpiece is detected and pushed out, the motor drives the screw rod to rotate, so that the laser scanner detects the flatness of the workpiece, when the workpiece placement box continuously moves and the gear is caused to contact with the toothed plate, the toothed plate is caused to rotate to extend the moving plate to push out the workpiece, the first L-shaped block and the second L-shaped block extend outwards, the closing door is caused to open, the workpiece slides to the limiting plate through the chute, the flatness of the workpiece is detected, the detected workpiece can be automatically pushed out to the limiting plate, and the workpiece can be conveniently and rapidly taken.

Drawings

FIG. 1 is a perspective overall structure diagram of the present invention;

FIG. 2 is a perspective view of a workpiece table according to the present invention;

FIG. 3 is a perspective view of a cleaning assembly of the present invention;

FIG. 4 is an enlarged block diagram of the portion A of FIG. 3 in accordance with the present invention;

FIG. 5 is a perspective view of the collection assembly of the present invention;

FIG. 6 is a perspective view of the collecting box and dust collection port of the present invention;

FIG. 7 is a perspective view of a pusher assembly of the present invention;

fig. 8 is a perspective view of a second L-shaped block and moving toothed plate of the present invention.

In the figure: 100. a bottom plate;

110. a housing; 120. a laser scanner; 130. cleaning the assembly; 140. a collection assembly; 150. a workpiece placement box; 160. a pushing component; 170. a work table; 180. a screw rod; 131. a chassis; 132. a motor; 133. a drive belt; 134. a first rotating roller; 135. a first connecting rod; 136. a slide bar; 137. a mounting plate; 138. a fixed rod; 139. a limiting block; 1391. a second rotating roller; 1392. a brush bar; 141. a connecting plate; 142. a piston cylinder; 143. an ejector rod; 144. a piston plate; 145. a telescopic spring; 146. a crank connecting rod; 147. a positioning rod; 148. a connecting pipe; 149. a collection box; 1491. a dust collection port; 1492. a filter plate; 161. pushing the cavity; 162. a gear; 163. a moving plate; 164. a first L-shaped block; 165. a second L-shaped block; 166. closing the door; 167. a chute; 168. a limiting plate; 169. toothed plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.

Hereinafter, an embodiment of the present invention will be described in accordance with its entire structure.

1-8, a 3D line scanning detection flatness inspection platform comprises a bottom plate 100, wherein a machine shell 110 is arranged at the upper end of the bottom plate 100, a laser scanner 120 is arranged below the machine shell 110, the upper end of the bottom plate 100 is positioned on a workpiece table 170 below the machine shell 110, two groups of cleaning components 130 are arranged on one side, far away from the machine shell 110, of the workpiece table 170, a workpiece placement box 150 close to one side of the two groups of cleaning components 130 is slidably arranged at the upper end of the workpiece table 170, a pushing component 160 is arranged in the workpiece placement box 150, a collecting component 140 is arranged in the cleaning component 130, and a screw 180 is arranged on an inner bearing of the workpiece table 170;

the cleaning assembly 130 comprises a chassis 131 fixedly installed on the bottom plate 100 and close to one side of the workpiece table 170, a motor 132 is installed in the chassis 131, a screw rod 180 is installed at the output end of the motor 132 through a coupler, a transmission belt 133 is sleeved on the outer wall of the output end of the motor 132, a first rotating roller 134 which is installed on the inner wall of the chassis 131 through a bearing is sleeved on the inner wall of the other end of the transmission belt 133 and penetrates through the outer side of the chassis 131, a first connecting rod 135 close to one side of the chassis 131 is fixedly installed at the other end of the first rotating roller 134, a sliding rod 136 is sleeved on the inner wall of the first connecting rod 135 in a sliding mode, two groups of mounting plates 137 close to the upper side and the lower side of the sliding rod 136 are fixedly installed at one end of the chassis 131, a limiting block 139 is fixedly installed at one end of the sliding rod 136, a fixing rod 138 penetrating through the inner wall of the limiting block 139 is installed between the mounting plates 137, a second rotating roller 1391 is sleeved on the outer wall of the fixing rod 138 in a rotating mode, two ends of the second rotating roller 1391 are fixedly installed at the end portions of the mounting plate 137 through a bearing and one side close to the workpiece placing box 150.

When the detection surface of the workpiece is cleaned, the motor 132 rotates the outer wall to be sleeved with the first rotating roller 134 at the other transmission end of the transmission belt 133, drives the first connecting rod 135 to rotate simultaneously, enables the sliding rod 136 to be installed in the first connecting rod 135 to slide, simultaneously drives the limiting block 139 installed at one end of the sliding rod 136 to make sliding swinging movement on two sides along the inner penetrating fixing rod 138, drives the second rotating roller 1391 and the brush rod 1392 fixedly installed at two ends of the fixing rod 138 to make corresponding swinging, and enables the brush rod 1392 to clean dust impurities on the surface of the workpiece placed in the lower workpiece placement box 150, so that the effect that the workpiece is affected by dust blocking during detection is avoided.

Referring to fig. 5 and 6, the collecting assembly 140 includes a piston cylinder 142 fixedly mounted on an inner wall of the casing 131 and located below the connecting plate 141, a crank connecting rod 146 is fixedly mounted at the other end of the first rotating roller 134 located in the casing 131, an ejector rod 143 extending out of the piston cylinder 142 and fixed to an end bearing of the crank connecting rod 146 is slidably disposed inside the piston cylinder 142, a piston plate 144 is mounted at one end of the ejector rod 143 located in the piston cylinder 142, a telescopic spring 145 fixed to an end of the piston plate 144 is mounted at the inner bottom end of the piston cylinder 142, a positioning rod 147 is mounted between one end of the ejector rod 143 and the crank connecting rod 146, a connecting pipe 148 penetrating through the casing 131 and the mounting plate 137 is mounted at the other end of the piston cylinder 142, two groups of collecting boxes 149 are fixedly mounted at two sides of the upper end of the workpiece table 170 adjacent to the workpiece placing box 150, one end of each group of the collecting boxes 149 is communicated with the connecting pipe 148, a dust collection port 1491 is mounted at one end of each group of the collecting boxes 149, and a filter plate 1492 is slidably mounted inside the collecting boxes 149.

When dust is collected, when the driving belt 133 rotates, the other end of the first rotating roller 134 is driven to rotate, the crank connecting rod 146 is arranged at the other end to enable one end of the crank connecting rod 146 to rotate, the positioning rod 147 and the ejection rod 143 are arranged at one end to descend, the ejection rod 143 and the piston sheet 144 slide in the piston cylinder 142, at the moment, air in the piston cylinder 142 is compressed, meanwhile, the one-way valve in the discharge pipe is closed, the one-way valve in the connecting pipe 148 is opened, when the ejection rod 143 is pressed down into the piston cylinder 142, the dust cleaned on the surface of a workpiece in the workpiece placement box 150 is sucked in through the dust suction opening 1491 formed at one end of the collecting box 149 and blocked by the filter plate 1492, so that larger impurities fall into the collecting box 149, and smaller impurities and dust are adsorbed in the filter plate 1492, so that dust is cleaned and self-collected, dust is avoided from lifting and splashing, and the filter plate 1492 can be cleaned by taking and holding the cover plate.

Referring to fig. 7 and 8, the pushing assembly 160 includes a pushing cavity 161 formed on one side of the interior of the workpiece placement box 150, two sets of gears 162 extending out of the exterior of the workpiece placement box 150 are mounted at two ends of the pushing cavity 161, a moving plate 163 located at a position contacting with the surface of the gears 162 is mounted between the two sets of gears 162, a first L-shaped block 164 is mounted in the pushing cavity 161 at the bottom end of the moving plate 163, a second L-shaped block 165 located at a position contacting with the bottom end of the closing door 166 is mounted at two ends of the first L-shaped block 164, two sets of closing doors 166 are rotatably mounted at one end of the workpiece placement box 150, a sliding groove 167 is formed at one end of the workpiece table 170, a limiting plate 168 located near the position contacting with the sliding groove 167 is mounted at the upper end of the bottom plate 100, and two sets of toothed plates 169 located at the position contacting with the surface of the gears 162 are mounted at two ends of the inner wall of the casing 110.

When the workpiece is detected and pushed out, the motor 132 drives the screw rod 180 to rotate, so that the outer wall of the screw rod 180 is sleeved with the workpiece placement box 150 to move below the laser scanner 120, the laser scanner 120 detects the flatness of the workpiece, when the workpiece placement box 150 continues to move and the gear 162 is caused to contact the toothed plate 169, the toothed plate 169 is caused to rotate, the moving plate 163 between the two groups of toothed plates 169 extends out to push out the workpiece in the workpiece placement box 150, the moving plate 163 moves to cause the first L-shaped block 164 and the second L-shaped block 165 to extend outwards, and the bearing at the upper end of the second L-shaped block 165 is caused to mount the closing door 166 to open, so that the workpiece in the workpiece placement box 150 slides to the limit plate 168 through the sliding groove 167 to complete the detection of the flatness of the workpiece, the detected workpiece can be automatically pushed out to the limit plate 168, and the workpiece can be conveniently and quickly taken out.

Referring to fig. 5, a circular hole is formed at a position where one end of the piston cylinder 142 is connected to the connecting pipe 148, a check valve is disposed in the circular hole, a discharge pipe extending to the outside of the casing 131 is installed at one end of the piston cylinder 142, and a check valve is disposed at a position where the discharge pipe is connected to the piston cylinder 142.

The ejector rod 143 and the piston sheet 144 slide in the piston cylinder 142, at this time, air in the piston cylinder 142 is compressed, the check valve in the discharge pipe is closed, and the check valve in the connecting pipe 148 is opened, so that in the process that the ejector rod 143 slides up and down in the piston cylinder 142, air enters from the connecting pipe 148 and is discharged from the discharge pipe, and dust in the collecting tank 149 connected with the end of the connecting pipe 148 is collected.

Referring to fig. 3 and 4, the inner wall of the connecting plate 141 is provided with a through groove at a position contacting the surface of the driving belt 133, and the size of the through groove is larger than that of the outer wall of the driving belt 133.

When the transmission belt 133 rotates, the through groove is formed in the connecting plate 141 to slide, so that the transmission effect of the transmission belt 133 is not affected.

Referring to fig. 7 and 8, support rods are installed between two ends of the cavity of the workpiece placement box 150 and two sets of gears 162, and two ends of the support rods are fixedly installed at two ends of the cavity of the workpiece placement box 150 through bearings, and outer walls of the support rods are fixed at ends of the gears 162.

The gear 162, when in contact with the toothed plate 169, causes the gear 162 to rotate within the cavity of the workpiece placement box 150 via bearings.

Referring to fig. 7 and 8, a travel groove is formed at a position where one end of the second L-shaped block 165 contacts with the surface of the first L-shaped block 164, a sliding rod penetrating through the second L-shaped block 165 and extending to two ends of the travel groove is installed in the travel groove, the upper end of the second L-shaped block 165 and the closing door 166 are fixedly installed through bearings, and an extension spring 145 fixed to an end of the second L-shaped block 165 is sleeved on an outer wall of the sliding rod.

The second L-shaped block 165 and the first L-shaped block 164, when moved, cause the upper end bearing of the second L-shaped block 165 to mount the closing door 166 for a mating movement of closing and opening.

Referring to fig. 7 and 8, a limiting rod fixedly installed in the pushing cavity 161 is penetrated inside the moving plate 163, and the limiting rod has a circular shape.

The moving plate 163 is limited by the limiting rod during movement, and a passing groove is formed in the workpiece placement box 150 at a position contacting the surface of the moving plate 163, so that the moving plate 163 moves more stably.

Referring to fig. 6, two sets of mounting blocks are mounted in the contact positions between the two ends of the filter plate 1492 and the collecting box 149, and mounting grooves are formed in the collecting box 149 at the contact positions with the surfaces of the mounting blocks.

The filter plate 1492 can be mounted for quick sliding movement with the inside of the collection box 149 by two side mounting blocks.

Referring to fig. 6, a cover plate is installed at an upper end of the collecting box 149, and a rubber block is installed at a contact position between the cover plate and the upper end of the collecting box 149.

By pulling upward to open the cover plate, the filter plates 1492 are mounted in the collection box 149 and are quickly taken out.

When in use, when cleaning the detection surface of a workpiece, the motor 132 rotates the other transmission end first rotating roller 134 of the outer wall sleeve-joint transmission belt 133 to drive the other end to simultaneously rotate, so that the first connecting rod 135 is installed at the other end to slide, the sliding rod 136 is installed in the first connecting rod 135, meanwhile, the limiting block 139 is installed at one end of the sliding rod 136 to make two-side sliding swinging movement along the fixing rod 138 which is penetrated inside, the second rotating roller 1391 and the brush rod 1392 are fixedly installed at two ends of the fixing rod 138 to make corresponding swinging, the brush rod 1392 is used for cleaning dust impurities on the surface of the workpiece placed in the lower workpiece placing box 150, the dust blocking effect of the workpiece during detection is avoided, when dust is collected, the transmission belt 133 rotates, the crank connecting rod 146 is driven to make the other end of the first rotating roller 134 to rotate, the positioning rod 147 and the ejection rod 143 are driven to descend, the ejector rod 143 and the piston 144 slide in the piston cylinder 142, at this time, air in the piston cylinder 142 is compressed, meanwhile, the check valve in the discharge pipe is closed, and the check valve in the connecting pipe 148 is opened, so that when the ejector rod 143 is pressed down into the piston cylinder 142, dust cleaned on the surface of a workpiece in the workpiece placement box 150 is sucked in through a dust suction port 1491 formed at one end of the collection box 149 and blocked by the filter plate 1492, larger impurities drop into the collection box 149, smaller impurities and dust are adsorbed in the filter plate 1492, cleaning and self-collection of dust are achieved, dust lifting and splashing are avoided, and the filter plate 1492 can be cleaned by taking a cover plate, and when workpiece detection is completed and pushing out is performed, the motor 132 drives the screw 180 to rotate, so that the outer wall of the screw 180 is sleeved with the workpiece placement box 150 to move below the laser scanner 120, the laser scanner 120 is made to detect the flatness of the workpiece, when the workpiece placement box 150 continues to move and the gear 162 is made to contact with the toothed plate 169, the toothed plate 169 is made to rotate and the moving plate 163 between the two groups of toothed plates 169 is made to extend out to eject the workpiece in the workpiece placement box 150, meanwhile, when the moving plate 163 moves, the first L-shaped block 164 and the second L-shaped block 165 are made to be installed at the bottom end to extend outwards, the bearing installation closing door 166 at the upper end of the second L-shaped block 165 is made to open, the workpiece in the workpiece placement box 150 is made to slide to the limiting plate 168 through the sliding groove 167, the detection of the flatness of the workpiece is finished, the detected workpiece can be automatically pushed out to the limiting plate 168, and the workpiece can be conveniently and quickly taken.

Although embodiments of the invention have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the invention as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the invention, provided that such modifications are within the scope of the appended claims.

Claims

1. The utility model provides a 3D line is swept and is detected flatness inspection platform, includes bottom plate (100), its characterized in that: the upper end of the bottom plate (100) is provided with a shell (110), a laser scanner (120) is arranged below the shell (110), the upper end of the bottom plate (100) is positioned on a workpiece table (170) below the shell (110), two groups of cleaning components (130) are arranged on one side, far away from the shell (110), of the workpiece table (170), a workpiece placement box (150) close to one side of the two groups of cleaning components (130) is slidably arranged at the upper end of the workpiece table (170), a pushing component (160) is arranged in the workpiece placement box (150), a collecting component (140) is arranged in the cleaning component (130), and a screw rod (180) is arranged on an internal bearing of the workpiece table (170);

the cleaning component (130) comprises a chassis (131) fixedly arranged on the bottom plate (100) and close to one side of the workpiece table (170), a motor (132) is arranged in the chassis (131), a screw rod (180) is arranged at the output end of the motor (132) through a coupler, a transmission belt (133) is sleeved on the outer wall of the output end of the motor (132), a first rotating roller (134) which is arranged on the inner wall of the chassis (131) in a bearing manner and penetrates through the outer side of the chassis (131) is sleeved on the inner wall of the other end of the transmission belt (133), a first connecting rod (135) which is close to one side of the chassis (131) is fixedly arranged at the other end of the first rotating roller (134), a sliding rod (136) is sleeved on the inner wall sliding sleeve of the first connecting rod (135), two groups of mounting plates (137) which are close to the upper side and the lower side of the sliding rod (136) are fixedly arranged at one end of the chassis (131), a limiting block (139) is fixedly arranged at one end of the sliding rod (136), a fixing rod (138) which penetrates through the inner wall of the limiting block (139) is arranged between the mounting plates (137), a second rotating roller (13) is fixedly sleeved on the outer wall of the fixing rod (138), a second end of the rotating roller (91) and the second end of the rotating roller (91) is fixedly sleeved on the second end of the rotating roller (91), the brush rod (1392) is fixedly arranged on one side, close to the workpiece placing box (150), of the outer wall of the second rotating roller (1391).

2. The 3D line scan inspection flatness inspection platform of claim 1, wherein: the collecting assembly (140) comprises a piston cylinder (142) fixedly mounted on the inner wall of the chassis (131) and located below the connecting plate (141), a crank connecting rod (146) is fixedly mounted at the other end of the first rotating roller (134) located in the chassis (131), an ejector rod (143) extending out of the outer side of the piston cylinder (142) and fixedly connected with an end bearing of the crank connecting rod (146) is slidably arranged in the piston cylinder (142), a piston sheet (144) is mounted at one end of the ejector rod (143) located in the piston cylinder (142), a telescopic spring (145) fixedly connected with the end of the piston sheet (144) is mounted at the inner bottom end of the piston cylinder (142), a positioning rod (147) is mounted between one end of the ejector rod (143) and the crank connecting rod (146), a connecting pipe (148) penetrating through the chassis (131) and the mounting plate (137) is mounted at the other end of the piston cylinder (142), two groups of collecting boxes (149) are fixedly mounted at two sides of the upper end of the workpiece table (170) close to the workpiece placement box (150), one end of each collecting box (149) and each collecting box (149) is provided with a dust collection port (149), and the collecting ports (149) are mounted at one end of the collecting boxes (149).

3. The 3D line scan inspection flatness inspection platform of claim 1, wherein: the pushing component (160) comprises a pushing cavity (161) formed in one side of the inside of the workpiece placement box (150), two groups of gears (162) extending out of the outside of the workpiece placement box (150) are arranged at two ends in the pushing cavity (161), a moving plate (163) at the position contacting the surface of the gears (162) is arranged between the two groups of gears (162), a first L-shaped block (164) is arranged at the bottom end of the moving plate (163) in the pushing cavity (161), a second L-shaped block (165) at the position contacting the bottom end of the closing door (166) is arranged at two ends of the first L-shaped block (164), two groups of closing doors (166) are rotatably arranged at one end of the workpiece placement box (150), a sliding groove (167) is formed at one end of the workpiece table (170), a limiting plate (168) close to the position contacting the sliding groove (167) is arranged at the upper end of the bottom plate (100), and two groups of toothed plates (169) at the position contacting the surface of the inner wall of the bottom plate (110).

4. The 3D line scan detection flatness inspection platform of claim 2, wherein: a circular hole is formed in the position where one end of the piston cylinder (142) is communicated with the connecting pipe (148), a one-way valve is arranged in the circular hole, a discharge pipe penetrating and extending to the outer side of the chassis (131) is arranged at one end of the piston cylinder (142), and the one-way valve is arranged in the position where the discharge pipe is communicated with the piston cylinder (142).

5. The 3D line scan detection flatness inspection platform of claim 2, wherein: the inner wall of the connecting plate (141) is provided with a through groove at the position contacted with the surface of the transmission belt (133), and the size of the through groove is larger than that of the outer wall of the transmission belt (133).

6. A 3D line scan detection flatness inspection platform according to claim 3, characterized in that: support rods are arranged between the two ends of the cavity of the workpiece placement box (150) and the two groups of gears (162), the two ends of the support rods are fixedly arranged at the two ends of the cavity of the workpiece placement box (150) through bearings, and the outer walls of the support rods are fixed with the ends of the gears (162).

7. A 3D line scan detection flatness inspection platform according to claim 3, characterized in that: a travel groove is formed in the position where one end of the second L-shaped block (165) is in contact with the surface of the first L-shaped block (164), a sliding rod penetrating through the second L-shaped block (165) and extending to two ends in the travel groove is arranged in the travel groove, the upper end of the second L-shaped block (165) is fixedly arranged with the closing door (166) through a bearing, and an extension spring (145) fixed with the end of the second L-shaped block (165) is sleeved on the outer wall of the sliding rod.

8. A 3D line scan detection flatness inspection platform according to claim 3, characterized in that: a limiting rod fixedly installed in the pushing cavity (161) is arranged in the moving plate (163) in a penetrating mode, and the limiting rod is in a circular shape.

9. The 3D line scan detection flatness inspection platform of claim 2, wherein: two groups of mounting blocks are mounted in the contact positions of the two ends of the filter plate (1492) and the collecting box (149), and mounting grooves are formed in the collecting box (149) and in the contact positions with the surfaces of the mounting blocks.

10. The 3D line scan detection flatness inspection platform of claim 2, wherein: the upper end of the collecting box (149) is provided with a cover plate, and a rubber block is arranged at the contact position of the cover plate and the upper end of the collecting box (149).