CN210938585U

CN210938585U - Polishing machine

Info

Publication number: CN210938585U
Application number: CN201921909887.0U
Authority: CN
Inventors: 洪传涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-07-07
Anticipated expiration: 2029-11-06

Abstract

The utility model relates to a polishing machine, which comprises a frame, a transmission mechanism and a polishing mechanism arranged above the transmission mechanism and matched with the transmission mechanism, wherein the polishing mechanism comprises a polishing device, the polishing device comprises a driving unit and a polishing unit which are arranged on the frame, the polishing unit comprises an upper roller component, a lower roller component and a polishing abrasive belt, the lower roller component is matched and connected with the driving unit, the upper roller component is linked and matched with the lower roller component through the polishing abrasive belt, the polishing unit also comprises a tensioning component for tensioning or loosening the polishing abrasive belt, the upper roller component comprises an upper roller frame and an upper driven roller matched and connected with the upper roller frame, the lower roller component comprises a lower roller frame and a lower driving roller matched and connected with the lower roller frame, the lower driving roller is matched and connected with the driving unit, the tensioning component comprises a fixed frame with one side connected with the frame, a driving cylinder arranged in the fixed frame, the, the output end of the driving cylinder is connected with the bottom surface of the upper roller frame.

Description

Polishing machine

Technical Field

The utility model relates to the technical field of machining, especially, relate to a polishing machine.

Background

After a general sheet metal workpiece is machined and formed, burrs or scratches are formed on the surface of the sheet metal workpiece, so that the use of the sheet metal workpiece is affected, and therefore, the surface of the sheet metal workpiece needs to be polished.

The precision of polishing can not be guaranteed in manual polishing, and after polishing is carried out manually for a long time, operating personnel easily generate fatigue, so that the polishing efficiency is reduced.

The prior belt sander is a machine tool which processes a workpiece by using a belt sanding technology. The method has the characteristics of high processing efficiency, wide application range, strong adaptability, low use cost, safe and convenient operation and the like. With the development of science and technology, the abrasive belt grinding technology is increasingly perfect, the processing objects and the application fields are increasingly wide, the abrasive belt grinding technology can be applied to common daily life appliances to large aerospace appliances, and the abrasive belt grinding technology becomes an important means for obtaining remarkable economic benefits. However, the existing abrasive belt polishing machine needs to be disassembled when the abrasive belt is replaced, which is very troublesome and greatly affects the working efficiency of the polishing machine.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem existing in the prior art and providing a polishing machine convenient for change polishing abrasive belt.

In order to achieve the above purpose, the utility model provides a following technical scheme: a polishing machine comprises a machine frame, a conveying mechanism arranged on the machine frame and used for conveying metal workpieces, and a polishing mechanism used for polishing the metal workpieces, wherein the polishing mechanism is arranged above the conveying mechanism and matched with the conveying mechanism, the polishing mechanism comprises a polishing device, the polishing device comprises a driving unit arranged on the machine frame and a polishing unit matched and connected with the driving unit, the polishing unit comprises an upper roller assembly far away from the conveying mechanism, a lower roller assembly close to the conveying mechanism and a polishing abrasive belt, a lower roller assembly is matched and connected with the driving unit, the upper roller assembly and the lower roller assembly are in linkage matching through the polishing abrasive belt, the polishing unit further comprises a tensioning assembly used for tensioning or loosening the polishing abrasive belt, the upper roller assembly comprises an upper roller frame and an upper driven roller matched and connected with the upper roller frame, and the lower roller assembly comprises a lower roller frame and a lower driving roller matched and connected with the lower roller frame, the lower driving roller is connected with the driving unit in a matched mode, the tensioning assembly comprises a fixed frame and a driving cylinder, one side of the fixed frame is connected with the rack, the driving cylinder is arranged in the fixed frame, the lower bottom surface of the fixed frame is connected with the lower roller frame, and the output end of the driving cylinder is connected with the bottom surface of the upper roller frame.

By adopting the technical scheme, the metal workpiece is placed at the feeding end of the conveying mechanism, the metal workpiece is conveyed to the lower part of the polishing mechanism through the conveying mechanism, the polishing device of the polishing mechanism polishes the metal workpiece on the conveying mechanism, the lower driving roller of the lower roller assembly is matched and connected with the driving unit of the polishing device, the lower driving roller is driven by the driving unit to rotate, the lower driving roller of the lower roller assembly is linked with the upper driven roller of the upper roller assembly through the polishing abrasive belt, and the polishing abrasive belt is in contact with the metal workpiece on the conveying mechanism and polishes the metal workpiece. The device comprises a tensioning assembly, a fixed frame, a lower roller assembly, a polishing belt, a driving unit, a lower driving roller, an upper driven roller, a lower driving roller, a polishing belt and a polishing unit, wherein the tensioning assembly is arranged between the upper roller assembly and the lower roller assembly; when the polishing abrasive belt needs to be replaced, the driving cylinder is controlled to enable the output shaft of the driving cylinder to retract and reset, the upper roller assembly is driven by the output shaft to reset, the distance between the upper roller assembly and the lower roller assembly is shortened, the polishing abrasive belt is changed from a tensioning state to a loosening state, the polishing abrasive belt can be taken down at the moment and sleeved with the replaced polishing abrasive belt, and the driving cylinder is controlled again to drive the upper roller assembly to move to tension the polishing abrasive belt, so that polishing operation can be continued. The tensioning assembly is adopted to drive the upper roller assembly to control the tensioning or loosening state of the polishing abrasive belt, the polishing abrasive belt can be replaced without disassembling the polishing machine, the replacing time of the polishing abrasive belt is saved, and the working efficiency is improved.

The utility model discloses further set up: the tensioning assembly further comprises guide posts arranged on two sides of the driving cylinder, the guide posts are connected with the fixed frame through linear bearings and penetrate through the fixed frame, and one ends of the guide posts, corresponding to the upper roller assemblies, are connected with the bottom surface of the upper roller frame.

Through adopting above-mentioned technical scheme, the guide post setting is connected with drive cylinder's both sides and through linear bearing and fixed frame, and the guide post corresponds the one end of going up the roller assembly and is connected with the bottom surface of last roller frame, and upward or decurrent rectilinear motion is done by drive cylinder drive to last roller assembly, and the guide post plays the guide effect, and the guide post is upwards or decurrent rectilinear motion along with last roller assembly for it is more stable when the motion to go up the roller assembly, avoids going up the roller assembly and takes place the skew when the motion.

The utility model discloses further set up: the upper driven roller comprises an upper roller frame and a lower driven roller, wherein elongated slots are formed in two side panels of the upper roller frame, through holes communicated with the elongated slots are formed in the top surface of the upper roller frame corresponding to the elongated slots, the upper driven roller further comprises a supporting shaft, two ends of the supporting shaft are arranged in the elongated slots of the two side panels of the upper roller frame, positioning holes are formed in the positions, corresponding to the through holes, of the supporting shaft, tightening bolts are inserted into the through holes and the positioning holes, and the positioning.

By adopting the technical scheme, two ends of the supporting shaft of the upper driven roller are arranged in the elongated slots on the two side panels of the upper roller frame, threads are arranged in the positioning holes at the two ends of the supporting shaft, the positioning holes are in threaded fit through tightening bolts, and the tightening bolts are used for fixing the supporting shaft, so that the upper driven roller is fixed on the upper roller frame; the positioning holes are in threaded fit through screwing bolts, and the position of the supporting shaft in the elongated slot can be adjusted, so that the maximum distance between the upper driven roller and the lower driving roller is adjusted, and the polishing belt is suitable for polishing abrasive belts with different lengths.

The utility model discloses further set up: polishing mechanism still includes along transport mechanism's direction of transfer setting and with transport mechanism complex closing device, closing device includes link, linkage unit and compression roller, the compression roller passes through linkage unit and is connected with the link cooperation, the link includes the connecting plate that two symmetries set up and connects the horizontal pole of two connecting plates, the connecting plate includes the riser, sets up respectively perpendicularly in the last diaphragm and the lower diaphragm at both ends about the riser, the both ends of horizontal pole are connected with the last diaphragm of two connecting plates respectively, upward be provided with the through hole on diaphragm and the lower diaphragm, the linkage unit is including setting up the spliced pole in the through hole and setting up in the adapter sleeve of spliced pole one end, the adapter sleeve passes through the bearing cooperation with the compression roller and is connected.

By adopting the technical scheme, the pressing device is arranged above the conveying mechanism and arranged along the conveying direction of the conveying mechanism, the cross rod is connected with the two connecting plates to form the connecting frame, one of the connecting plates is fixedly connected with the rack, the upper transverse plate and the lower transverse plate of the connecting plate are provided with the through holes, the connecting column of the connecting unit penetrates through the upper transverse plate and the lower transverse plate and is arranged in the through holes, the connecting sleeve is arranged on one side of the connecting column corresponding to the conveying mechanism and is connected with the press roller in a matched mode through the bearing, the conveying mechanism reinforces the metal workpiece to be conveyed below the pressing device, the press roller is contacted with the metal workpiece on the conveying mechanism, the press roller rotates along with the conveying of the metal workpiece and flattens the metal workpiece, the surface of the metal workpiece to be polished can be.

The utility model discloses further set up: the spliced pole and through hole sliding fit, the other end of the relative adapter sleeve of spliced pole is provided with the locating part, the spliced pole corresponds adapter sleeve pot head and is equipped with buffer spring, buffer spring's one end and the mutual butt in bottom surface of diaphragm down, the other end and adapter sleeve mutual butt.

By adopting the technical scheme, the connecting column is in sliding fit with the through hole, and the limiting part is arranged at the other end of the connecting column opposite to the connecting sleeve, so that the connecting column is prevented from falling off when the connecting column slides relatively in the through hole; the spliced pole corresponds one pot head of adapter sleeve and is equipped with buffer spring, and buffer spring's both ends respectively with the bottom surface and the adapter sleeve looks butt of diaphragm down, when the metal work piece contact on compression roller and the transport mechanism is pressed the metal work piece arch at ordinary times, avoid the too big compression roller or the metal work piece deformation damage that leads to of the power of flattening of compression roller to metal work piece, extension compression roller life.

The utility model discloses further set up: still be provided with the height control mechanism who is used for adjusting the transport mechanism height in the frame of transport mechanism below, height control mechanism includes adjusting hand wheel, two sets of lift adjustment device and driving chain, adjusting hand wheel and one of them set of lift adjustment device cooperation are connected, two sets of lift adjustment device pass through the driving chain linkage cooperation.

Through adopting above-mentioned technical scheme, the transport mechanism below is provided with height adjusting mechanism for adjust the distance between transport mechanism and the polishing mechanism, be applicable to the polishing of the metal work piece of different thickness. The two groups of lifting adjusting devices are in linkage fit through the transmission chain, the adjusting hand wheel of the height adjusting mechanism is in fit connection with one group of lifting adjusting devices, the adjusting hand wheel is rotated to adjust, the adjusting hand wheel drives one group of lifting adjusting devices to carry out lifting adjustment, and the other group of lifting adjusting devices carries out lifting adjustment through the transmission of the transmission chain. The two groups of lifting adjusting devices are connected through the transmission chain for transmission, so that the average transmission ratio is accurate, the work is reliable and the efficiency is high; the transmission power is high, and the overload capacity is strong; the required tension force is small; can work in severe environments such as high temperature, humidity, dustiness, pollution and the like. The height adjustment is more controllable by adjusting the adjusting hand wheel.

The utility model discloses further set up: the lifting adjusting device comprises a base connected with the frame, a shell arranged on the base, and an adjusting unit arranged in the shell, wherein the adjusting unit comprises a worm, a worm wheel and a lifting screw, the worm is connected with an output shaft of an adjusting hand wheel, the other end of the worm is provided with a chain wheel, the chain wheel is matched with a transmission chain to transmit, the worm wheel is meshed with the worm to transmit, an internal thread hole is formed in the center of the worm wheel, the lifting screw is inserted into the internal thread hole and is matched with the worm wheel in a linkage manner, one end of the lifting screw corresponding to the conveying mechanism is provided with a connecting flange, and the connecting flange is connected with the bottom of the conveying mechanism.

By adopting the technical scheme, the adjusting unit is arranged in the shell, one end of a worm in the adjusting unit is connected with the adjusting hand wheel, when the adjusting hand wheel is rotated, the worm rotates along with the worm, the lifting screw is inserted into the internal thread hole of the worm wheel and is in threaded fit with the internal thread hole, the worm wheel and the worm are meshed with each other to transmit torque to the lifting screw, the connecting flange at one end of the lifting screw is connected with the conveying mechanism, the other end of the worm, corresponding to the adjusting hand wheel, is provided with the chain wheel, the chain wheel is matched with the transmission chain to transmit torque, two groups of spirit enable the lifting screw of the adjusting device to be adjusted upwards or downwards under the action of the torque, the conveying mechanism is jacked up to be close to the polishing mechanism or kept away from the polishing mechanism downwards, accordingly, the distance between the.

The utility model discloses further set up: still drench the mechanism including being used for erodeing the impurity that the metal work polishing produced, drench the mechanism including set up in delivery mechanism feed end one side have water supply installation's aqua storage tank, distribute with the water distribution pipeline in the frame, set up the water catch bowl in delivery mechanism below, the water distribution pipeline passes through water supply installation and is connected with the aqua storage tank, the water catch bowl is close to the bottom of delivery mechanism feed end one side and is provided with the backward flow hole that supplies rivers backward flow to the aqua storage tank.

Through adopting above-mentioned technical scheme, water supply installation can be water supply installation such as water pump, elevator pump, the utility model discloses preferred water supply installation is the water pump. The water storage tank is arranged on one side of the feeding end of the conveying mechanism, the water supply device conveys water in the water storage tank to the metal workpiece on the conveying mechanism in the water distribution pipeline for flushing, impurities generated after polishing are flushed away, and water polishing is completed while flushing is performed, so that adsorbates on the polished surface do not have attachment time, and the cleaning effect is better; impurities and water after flushing flow into the water collecting tank below the conveying mechanism, and then flow back into the water storage tank through the backflow hole on one side of the water collecting tank close to the feeding end of the conveying mechanism, so that flushing water can be recycled.

The utility model discloses further set up: the water storage tank comprises a settling zone and a circulating zone which are isolated through a filter screen, the settling zone is arranged below the backflow hole, an upper cover of the circulating zone is provided with a cover plate, and the water supply device is arranged on the cover plate and is connected with the water distribution pipeline.

Through adopting above-mentioned technical scheme, sedimentation zone and circulation district are kept apart by the filter screen to the aqua storage tank, and the water that flows out from the return opening flows into the sedimentation zone and deposits the impurity of aquatic, and the shower water that does not contain impurity in the circulation district, and water supply installation sets up on the apron in circulation district, carries the shower water in circulation district to the distributive pipeline, realizes the recycling of shower water.

The present invention will be further described with reference to the accompanying drawings and the detailed description.

Drawings

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

fig. 2 is a schematic view of a partial structure according to an embodiment of the present invention;

FIG. 3 is an overall structure diagram of an embodiment of the present invention;

fig. 4 is a schematic view of a partial structure according to an embodiment of the present invention;

FIG. 5 is an enlarged view taken at A in FIG. 4;

fig. 6 is a schematic view of a partial structure according to an embodiment of the present invention;

fig. 7 is an exploded view of a part of the structure of the embodiment of the present invention;

fig. 8 is a schematic view of a partial structure according to an embodiment of the present invention;

fig. 9 is an exploded view of a second partial structure of the embodiment of the present invention;

fig. 10 is a schematic partial structural diagram six according to an embodiment of the present invention;

fig. 11 is a schematic partial structural diagram seven according to the embodiment of the present invention;

the reference numbers in the figures mean: a machine frame-1, a conveying mechanism-2, a polishing mechanism-3, a polishing device-31, a driving unit-311, a polishing unit-312, an upper roller assembly-3121, an upper driven roller-31211, a supporting shaft-31212, a positioning hole-31213, an upper roller frame-31214, a long groove-31215, a through hole-31216, a screwing bolt-31217, a lower roller assembly-3122, a lower driving roller-31221, a lower roller frame-31222, a polishing abrasive belt-3123, a tensioning assembly-3124, a fixing frame-31241, a driving air cylinder-31242, a guide column-31243, a linear bearing-31244, a pressing device-32, a connecting frame-321, a connecting plate-3211, a vertical plate-3212, an upper transverse plate-3213, a lower transverse plate-3214, a through hole-3215, a transverse rod-3216, the device comprises a connecting unit-322, a connecting column-3221, a connecting sleeve-3222, a limiting piece-3223, a buffer spring-3224, a compression roller-323, a height adjusting mechanism-4, an adjusting hand wheel-41, a lifting adjusting device-42, a base-421, a shell-422, an adjusting unit-423, a worm-4231, a chain wheel-4232, a worm wheel-4233, an internal thread hole-4234, a lifting screw rod-4235, a connecting flange-4236, a transmission chain-424, a showering mechanism-5, a water storage tank-51, a settling zone-511, a circulating zone-512, a cover plate-513, a filter screen-514, a water supply device-52, a water distribution pipeline-53, a water collection tank-54 and a backflow hole-541.

Detailed Description

The present embodiment is only an explanation of the present embodiment, and it is not a limitation of the present embodiment, and a person skilled in the art can make modifications without inventive contribution to the present embodiment as needed after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present embodiment.

Referring to fig. 1-11, the present embodiment discloses a polishing machine, which includes a machine frame 1, a conveying mechanism 2 disposed on the machine frame 1 for conveying a metal workpiece, and a polishing mechanism 3 for polishing the metal workpiece, wherein the polishing mechanism 3 is disposed above the conveying mechanism 2 and is engaged with the conveying mechanism 2, the polishing mechanism 3 includes a polishing device 31, the polishing device 31 includes a driving unit 311 disposed on the machine frame 1, a polishing unit 312 engaged with the driving unit 311, the polishing unit 312 includes an upper roller assembly 3121 far from the conveying mechanism 2, a lower roller assembly 3122 near the conveying mechanism 2, and a polishing abrasive belt 3123, the lower roller assembly 3122 is engaged with the driving unit 311, the upper roller assembly 3121 is engaged with the lower roller assembly 3122 through a polishing abrasive belt 3123, the polishing unit 312 further includes a tensioning assembly 3124 for tensioning or loosening the polishing abrasive belt 3123, the upper roll assembly 3121 includes an upper roll frame 31214 and an upper driven roll 31211 cooperatively connected with the upper roll frame 31214, the lower roll assembly 3122 includes a lower roll frame 31222 and a lower drive roll 31221 cooperatively connected with the lower roll frame 31222, the lower drive roll 31221 is cooperatively connected with the driving unit 311, the tensioning assembly 3124 includes a fixed frame 31241 one side of which is connected with the frame 1, a driving cylinder 31242 disposed in the fixed frame 31241, a lower bottom surface of the fixed frame 31241 is connected with the lower roll frame 31222, and an output end of the driving cylinder 31242 is connected with a bottom surface of the upper roll frame 31214. By adopting the technical scheme, the metal workpiece is placed at the feeding end of the conveying mechanism 2, the metal workpiece is conveyed to the lower part of the polishing mechanism 3 through the conveying mechanism 2, the polishing device 31 of the polishing mechanism 3 polishes the metal workpiece on the conveying mechanism 2, the lower driving roller 31221 of the lower roller assembly 3122 is in fit connection with the driving unit 311 of the polishing device 31, the lower driving roller 31221 is driven by the driving unit 311 to rotate, the lower driving roller 31221 of the lower roller assembly 3122 is linked with the upper driven roller 31211 of the upper roller assembly 3121 through the polishing abrasive belt 3123 to rotate, and the polishing abrasive belt 3123 is in contact with the metal workpiece on the conveying mechanism 2 and polishes the metal workpiece. The tension assembly 3124 is disposed between the upper roller assembly 3121 and the lower roller assembly 3122, the fixing frame 31241 of the tension assembly 3124 is connected with the machine frame 1, the lower bottom surface of the fixing frame 31241 is connected with the lower roller frame 31222 of the lower roller assembly 3122, the lower roll frame 31222 is fixed, the output end of the driving cylinder 31242 in the tensioning assembly 3124 is connected with the bottom portion of the upper roll frame 31214, the polishing abrasive belt 3123 is cover-mounted on the upper driven roll 31211 and lower driving roll 31221, when the polishing abrasive belt 3123 needs to be tensioned, the driving cylinder 31242 is controlled to make its output shaft be extended, the upper roller assembly 3121 is moved under the action of the driving force of the output shaft, the distance between the upper roller assembly 3121 and the lower roller assembly 3122 is increased, the polishing abrasive belt 3123 is tensioned under the driving of the upper roller assembly 3121, the driving unit 311 drives the lower driving roller 31221 of the lower roller assembly 3122 to rotate, the polishing abrasive belt 3123 is driven to move, and the polishing abrasive belt 3123 polishes metal workpieces on the conveying mechanism 2; when the polishing abrasive belt 3123 needs to be replaced, the driving cylinder 31242 is controlled to retract and reset the output shaft thereof, so that the upper roller assembly 3121 is driven by the output shaft to reset, the distance between the upper roller assembly 3121 and the lower roller assembly 3122 is reduced, the polishing abrasive belt 3123 is changed from a tensioned state to a relaxed state, at this time, the polishing abrasive belt 3123 can be taken down, the replaced polishing abrasive belt 3123 is put in, the driving cylinder 31242 is controlled again to drive the upper roller assembly 3121 to displace so as to tension the polishing abrasive belt 3123, and then the polishing operation can be continued. The tensioning assembly 3124 is adopted to drive the upper roller assembly 3121 to control the tensioning or loosening state of the polishing abrasive belt 3123, the polishing abrasive belt 3123 can be replaced without disassembling the polishing machine, the replacement time of the polishing abrasive belt 3123 is saved, and the working efficiency is improved.

The utility model discloses further set up: the tensioning assembly 3124 further includes guide posts 31243 disposed at both sides of the driving cylinder 31242, the guide posts 31243 are connected with the fixing frame 31241 through a linear bearing 31244 and penetrate the fixing frame 31241, and one end of the guide posts 31243 corresponding to the upper roller assembly 3121 is connected with a bottom surface of the upper roller frame 31214. By adopting the above technical scheme, the guide posts 31243 are disposed at both sides of the driving cylinder 31242 and connected to the fixed frame 31241 through the linear bearings 31244, one end of the guide post 31243 corresponding to the upper roller assembly 3121 is connected to the bottom surface of the upper roller frame 31214, when the upper roller assembly 3121 is driven by the driving cylinder 31242 to make an upward or downward linear motion, the guide posts 31243 play a guiding role, and the guide posts 31243 make an upward or downward linear motion along with the upper roller assembly 3121, so that the upper roller assembly 3121 is more stable in movement, and the upper roller assembly 3121 is prevented from shifting in movement.

The utility model discloses further set up: elongated grooves 31215 are formed in two side face plates of the upper roller frame 31214, through holes 31216 communicated with the elongated grooves 31215 are formed in positions, corresponding to the elongated grooves 31215, of the upper top face of the upper roller frame 31214, the upper driven roller 31211 further comprises a support shaft 31212, two ends of the support shaft 31212 are disposed in the elongated grooves 31215 of the two side face plates of the upper roller frame 31214, positioning holes 31213 are formed in the positions, corresponding to the through holes 31216, of the support shaft 31212, tightening bolts 31217 are inserted into the through holes 31216 and the positioning holes 31213, and the positioning holes 31213 are matched with the tightening bolts 31217 through threads. By adopting the technical scheme, the two ends of the supporting shaft 31212 of the upper driven roller 31211 are arranged in the elongated slots 31215 on the two side panels of the upper roller frame 31214, the positioning holes 31213 at the two ends of the supporting shaft 31212 are internally provided with threads, the positioning holes 31213 are in threaded fit through the tightening bolts 31217, the tightening bolts 31217 fix the supporting shaft 31212, so that the upper driven roller 31211 is fixed on the upper roller frame 31214; the positioning hole 31213 is screwed by tightening the bolt 31217, and the position of the supporting shaft 31212 in the elongated slot 31215 can be adjusted, so that the maximum distance between the upper driven roller 31211 and the lower driving roller 31221 can be adjusted, and the polishing belt 3123 with different lengths can be adapted.

The utility model discloses further set up: the polishing mechanism 3 further comprises a pressing device 32 arranged along the conveying direction of the conveying mechanism 2 and matched with the conveying mechanism 2, the pressing device 32 comprises a connecting frame 321, a connecting unit 322 and a pressing roller 323, the pressing roller 323 is matched and connected with the connecting frame 321 through the connecting unit 322, the connecting frame 321 comprises two connecting plates 3211 arranged symmetrically and a cross rod 3216 connecting the two connecting plates 3211, the connecting plates 3211 comprise vertical plates 3212, upper transverse plates 3213 and lower transverse plates 3214 vertically arranged at the upper end and the lower end of the vertical plates 3212, respectively, the two ends of the cross rod 3216 are connected with the upper transverse plates 3213 of the two connecting plates 3211, through holes 3215 are arranged on the upper transverse plates 3213 and the lower transverse plates 3214, the connecting unit 322 comprises a connecting column 3221 arranged in the through holes 3215 and a connecting sleeve 3222 arranged at one end of the connecting column 3221, and the connecting sleeve 3222 is matched and connected with the pressing roller. By adopting the technical scheme, the pressing device 32 is arranged above the conveying mechanism 2 and arranged along the conveying direction of the conveying mechanism 2, the cross bar 3216 is connected with the two connecting plates 3211 to form a connecting frame 321, one of the connecting plates 3211 is fixedly connected with the frame 1, the upper cross plate 3213 and the lower cross plate 3214 of the connecting plates 3211 are provided with through holes 3215, the connecting post 3221 of the connecting unit 322 penetrates through the upper cross plate 3213 and the lower cross plate 3214 to be arranged in the through hole 3215, the connecting sleeve 3222 is arranged at one side of the connecting post 3221 corresponding to the conveying mechanism 2, the connecting sleeve 3222 is connected with the press roller 323 through a bearing in a matching manner, the conveying mechanism 2 reinforces the metal workpiece and conveys the metal workpiece to the lower part of the pressing device 32, the press roller 323 is in contact with the metal workpiece on the conveying mechanism 2, the press roller 323 rotates along with the conveying of the metal workpiece and presses the metal workpiece flatly, the polishing quality is ensured.

The utility model discloses further set up: the connecting column 3221 is in sliding fit with the through hole 3215, a limiting part 3223 is disposed at the other end of the connecting column 3221, which is opposite to the connecting sleeve 3222, and a buffer spring 3224 is sleeved at one end of the connecting column 3221, which corresponds to the connecting sleeve 3222, wherein one end of the buffer spring 3224 is abutted against the bottom surface of the lower transverse plate 3214, and the other end is abutted against the connecting sleeve 3222. By adopting the above technical scheme, the connecting column 3221 is in sliding fit with the through hole 3215, and the other end of the connecting column 3221, which is opposite to the connecting sleeve 3222, is provided with the limiting piece 3223, so that the connecting column 3221 is prevented from falling off when relatively sliding in the through hole 3215; the connecting column 3221 is sleeved with a buffer spring 3224 corresponding to one end of the connecting sleeve 3222, two ends of the buffer spring 3224 are respectively abutted to the bottom surface of the lower transverse plate 3214 and the connecting sleeve 3222, and when the pressing roller 323 contacts with the metal workpiece on the conveying mechanism 2 to press the protrusion of the metal workpiece, the pressing roller 323 or the metal workpiece is prevented from being deformed and damaged due to too large pressing force of the pressing roller 323 on the metal workpiece, and the service life of the pressing roller 323 is prolonged.

The utility model discloses further set up: still be provided with the height adjustment mechanism 4 that is used for adjusting 2 heights of transport mechanism on the frame 1 of transport mechanism 2 below, height adjustment mechanism 4 includes adjusting hand wheel 41, two sets of lift adjusting device 42 and driving chain 424, adjusting hand wheel 41 is connected with a set of lift adjusting device 42 cooperation therein, two sets of lift adjusting device 42 pass through driving chain 424 linkage cooperation. Through adopting above-mentioned technical scheme, transport mechanism 2 below is provided with height adjusting mechanism 4 for adjust the distance between transport mechanism 2 and the polishing mechanism 3, be applicable to the polishing of the metal work piece of different thickness. The two groups of lifting adjusting devices 42 are in linkage fit through the transmission chain 424, the adjusting hand wheel 41 of the height adjusting mechanism 4 is in fit connection with one group of lifting adjusting devices 42, the adjusting hand wheel 41 is rotated to adjust, the adjusting hand wheel 41 drives one group of lifting adjusting devices 42 to perform lifting adjustment, and the other group of lifting adjusting devices 42 performs lifting adjustment through the transmission of the transmission chain 424. The two groups of lifting adjusting devices 42 are connected through the transmission chain 424 for transmission, so that the average transmission ratio is accurate, the work is reliable, and the efficiency is high; the transmission power is high, and the overload capacity is strong; the required tension force is small; can work in severe environments such as high temperature, humidity, dustiness, pollution and the like. The height adjustment is more controllable by adjusting the hand wheel 41.

The utility model discloses further set up: the lifting adjusting device 42 comprises a base 421 connected with the frame 1, a shell 422 arranged on the base 421, and an adjusting unit 423 arranged in the shell 422, wherein the adjusting unit 423 comprises a worm 4231, a worm wheel 4233, and a lifting screw 4235, the worm 4231 is connected with an output shaft of the adjusting hand wheel 41, the other end of the worm 4231 opposite to the adjusting hand wheel 41 is provided with a chain wheel 4232, the chain wheel 4232 is matched with the transmission chain 424 for transmission, the worm wheel 4233 and the worm 4231 are in mutual meshing transmission, an internal thread hole 4234 is formed in the center of the worm wheel 4233, the lifting screw 4235 is inserted into the internal thread hole 4234 and is in linkage fit with the worm wheel 4233, one end of the lifting screw 4235, corresponding to the conveying mechanism 2, is provided with a connecting flange 4236, and the connecting flange 4236 is connected with the bottom of the. By adopting the technical scheme, the adjusting unit 423 is arranged in the shell 422, one end of a worm 4231 in the adjusting unit 423 is connected with the adjusting hand wheel 41, when the adjusting hand wheel 41 is rotated, the worm 4231 rotates along with the adjusting hand wheel, the lifting screw 4235 is inserted into the internal thread hole 4234 of the worm gear 4233 and is in threaded fit with the internal thread hole 4234, the worm gear 4233 and the worm 4231 are mutually meshed to transmit torque to the lifting screw 4235, a connecting flange 4236 at one end of the lifting screw 4235 is connected with the conveying mechanism 2, the worm 4231 is provided with a chain wheel 4232 corresponding to the other end of the adjusting hand wheel 41, the chain wheel 4232 and the transmission chain 424 are mutually matched to transmit torque, the two groups of spirit enable the lifting screw 4235 of the adjusting device to be adjusted upwards or downwards under the action of the torque, simultaneously lift the conveying mechanism 2 to be close to the polishing mechanism 3 or be far away from the polishing mechanism 3 downwards, the polishing solution is suitable for polishing metal workpieces with different thicknesses.

The utility model discloses further set up: still including the mechanism 5 that drenches that is used for erodeing the impurity that the metal work polishing produced, drench mechanism 5 including set up in 2 feed end one sides of transport mechanism have water supply installation 52 aqua storage tank 51, distribute with frame 1 in divide water piping 53, set up in the water catch bowl 54 of transport mechanism 2 below, divide water piping 53 to be connected with aqua storage tank 51 through water supply installation 52, the bottom that water catch bowl 54 is close to 2 feed end one side of transport mechanism is provided with the backward flow hole 541 that supplies rivers to flow back to aqua storage tank 51. Through adopting above-mentioned technical scheme, water supply installation 52 can be water supply installations 52 such as water pump, elevator pump, the utility model discloses preferred water supply installation 52 is the water pump. The water storage tank 51 is arranged on one side of the feeding end of the conveying mechanism 2, the water supply device 52 conveys water in the water storage tank 51 to the water distribution pipeline 53 to wash the metal workpiece on the conveying mechanism 2, impurities generated after polishing are washed away, and water polishing is completed while washing is performed, so that adsorbates on the polished surface do not have attachment time, and the cleaning effect is better; the impurities and water after washing flow into the water collecting tank 54 below the conveying mechanism 2, and then flow back to the water storage tank 51 through the return hole 541 at one side of the water collecting tank 54 close to the feeding end of the conveying mechanism 2, so that the washing water can be recycled.

The utility model discloses further set up: the water storage tank 51 comprises a settling zone 511 and a circulating zone 512 which are isolated by a filter screen 514, the settling zone 511 is arranged below the backflow hole 541, a cover plate 513 is covered on the circulating zone 512, and the water supply device 52 is arranged on the cover plate 513 and is connected with the water distribution pipeline 53. By adopting the above technical scheme, the water storage tank 51 is separated into the precipitation zone 511 and the circulation zone 512 by the filter screen 514, the water flowing out from the return hole 541 flows into the precipitation zone 511 and precipitates impurities in the water, the flushing water without impurities is in the circulation zone 512, the water supply device 52 is arranged on the cover plate 513 of the circulation zone 512, the flushing water in the circulation zone 512 is conveyed to the water diversion pipeline 53, and the circulation use of the flushing water is realized.

Although the frame-1, the conveying mechanism-2, the polishing mechanism-3, the polishing device-31, the driving unit-311, the polishing unit-312, the upper roller assembly-3121, the upper driven roller-31211, the support shaft-31212, the positioning hole-31213, the upper roller frame-31214, the elongated groove-31215, the through hole-31216, the tightening bolt-31217, the lower roller assembly-3122, the lower driving roller-31221, the lower roller frame-31222, the polishing abrasive belt-3123, the tensioning assembly-3124, the fixing frame-31241, the driving cylinder-31242, the guide post-31243, the linear bearing-31244, the pressing device-32, the connecting frame-321, the connecting plate-3211, the vertical plate-3212, the upper horizontal plate-3213, the lower horizontal plate-3214, the through hole-3215 are more commonly used herein, the device comprises a cross bar-3216, a connecting unit-322, a connecting column-3221, a connecting sleeve-3222, a limiting piece-3223, a buffer spring-3224, a press roller-323, a height adjusting mechanism-4, an adjusting hand wheel-41, a lifting adjusting device-42, a base-421, a shell-422, an adjusting unit-423, a worm-4231, a chain wheel-4232, a worm wheel-4233, an internal thread hole-4234, a lifting screw-4235, a connecting flange-4236, a transmission chain-424, a showering mechanism-5, a water storage tank-51, a settling zone-511, a circulating zone-512, a cover plate-513, a filter screen-514, a water supply device-52, a water distribution pipeline-53, a water collection tank-54 and a backflow hole-541, but the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present embodiments; they are to be construed as being without limitation to any one of the additional limitations which are within the spirit of the present embodiments.

Claims

1. The utility model provides a polishing machine, includes the frame, sets up transport mechanism that is used for conveying metal work piece in the frame and is used for polishing metal work piece's polishing mechanism, polishing mechanism sets up in transport mechanism top and cooperates with transport mechanism, polishing mechanism includes burnishing device, burnishing device is including setting up the drive unit in the frame, the polishing unit of being connected with the drive unit cooperation, polishing unit is including keeping away from transport mechanism's last roller assembly, the lower roller assembly and the polishing abrasive band that is close to transport mechanism, lower roller assembly and drive unit cooperation are connected, go up roller assembly and pass through the linkage cooperation of polishing abrasive band with lower roller assembly, its characterized in that: the polishing unit further comprises a tensioning assembly used for tensioning or loosening the polishing abrasive belt, the upper roller assembly comprises an upper roller frame and an upper driven roller in matched connection with the upper roller frame, the lower roller assembly comprises a lower roller frame and a lower driving roller in matched connection with the lower roller frame, the lower driving roller is in matched connection with the driving unit, the tensioning assembly comprises a fixed frame and a driving cylinder, one side of the fixed frame is connected with the machine frame, the driving cylinder is arranged in the fixed frame, the lower bottom surface of the fixed frame is connected with the lower roller frame, and the output end of the driving cylinder is connected with the bottom surface of the upper roller frame.

2. A polishing machine according to claim 1, wherein: the tensioning assembly further comprises guide posts arranged on two sides of the driving cylinder, the guide posts are connected with the fixed frame through linear bearings and penetrate through the fixed frame, and one ends of the guide posts, corresponding to the upper roller assemblies, are connected with the bottom surface of the upper roller frame.

3. A polishing machine according to claim 2, wherein: the upper driven roller comprises an upper roller frame and a lower driven roller, wherein elongated slots are formed in two side panels of the upper roller frame, through holes communicated with the elongated slots are formed in the top surface of the upper roller frame corresponding to the elongated slots, the upper driven roller further comprises a supporting shaft, two ends of the supporting shaft are arranged in the elongated slots of the two side panels of the upper roller frame, positioning holes are formed in the positions, corresponding to the through holes, of the supporting shaft, tightening bolts are inserted into the through holes and the positioning holes, and the positioning.

4. A polishing machine according to claim 3, characterised in that: polishing mechanism still includes along transport mechanism's direction of transfer setting and with transport mechanism complex closing device, closing device includes link, linkage unit and compression roller, the compression roller passes through linkage unit and is connected with the link cooperation, the link includes the connecting plate that two symmetries set up and connects the horizontal pole of two connecting plates, the connecting plate includes the riser, sets up respectively perpendicularly in the last diaphragm and the lower diaphragm at both ends about the riser, the both ends of horizontal pole are connected with the last diaphragm of two connecting plates respectively, upward be provided with the through hole on diaphragm and the lower diaphragm, the linkage unit is including setting up the spliced pole in the through hole and setting up in the adapter sleeve of spliced pole one end, the adapter sleeve passes through the bearing cooperation with the compression roller and is connected.

5. A polishing machine according to claim 4, characterized in that: the spliced pole and through hole sliding fit, the other end of the relative adapter sleeve of spliced pole is provided with the locating part, the spliced pole corresponds adapter sleeve pot head and is equipped with buffer spring, buffer spring's one end and the mutual butt in bottom surface of diaphragm down, the other end and adapter sleeve mutual butt.

6. A polishing machine according to claim 5, characterised in that: still be provided with the height control mechanism who is used for adjusting the transport mechanism height in the frame of transport mechanism below, height control mechanism includes adjusting hand wheel, two sets of lift adjustment device and driving chain, adjusting hand wheel and one of them set of lift adjustment device cooperation are connected, two sets of lift adjustment device pass through the driving chain linkage cooperation.

7. A polishing machine according to claim 6, characterised in that: the lifting adjusting device comprises a base connected with the frame, a shell arranged on the base, and an adjusting unit arranged in the shell, wherein the adjusting unit comprises a worm, a worm wheel and a lifting screw, the worm is connected with an output shaft of an adjusting hand wheel, the other end of the worm is provided with a chain wheel, the chain wheel is matched with a transmission chain to transmit, the worm wheel is meshed with the worm to transmit, an internal thread hole is formed in the center of the worm wheel, the lifting screw is inserted into the internal thread hole and is matched with the worm wheel in a linkage manner, one end of the lifting screw corresponding to the conveying mechanism is provided with a connecting flange, and the connecting flange is connected with the bottom of the conveying mechanism.

8. A polishing machine according to claim 1, wherein: still drench the mechanism including being used for erodeing the impurity that the metal work polishing produced, drench the mechanism including set up in delivery mechanism feed end one side have water supply installation's aqua storage tank, distribute with the water distribution pipeline in the frame, set up the water catch bowl in delivery mechanism below, the water distribution pipeline passes through water supply installation and is connected with the aqua storage tank, the water catch bowl is close to the bottom of delivery mechanism feed end one side and is provided with the backward flow hole that supplies rivers backward flow to the aqua storage tank.

9. A polishing machine according to claim 8, wherein: the water storage tank comprises a settling zone and a circulating zone which are isolated through a filter screen, the settling zone is arranged below the backflow hole, an upper cover of the circulating zone is provided with a cover plate, and the water supply device is arranged on the cover plate and is connected with the water distribution pipeline.