Disclosure of Invention
The invention aims to provide a metal plate polishing device and a polishing production line, and aims to solve the problem that the existing metal plate polishing fillet is poor in consistency.
The technical scheme for solving the technical problems is as follows:
a sheet metal grinding device comprises: the device comprises a bottom plate, a transverse moving plate, a longitudinal moving plate, a sand belt driving device, a rotating device, a transverse moving mechanism and a longitudinal moving mechanism;
the bottom plate, the transverse moving plate and the longitudinal moving plate are sequentially arranged from bottom to top, and the transverse moving plate is respectively connected with the bottom plate and the longitudinal moving plate in a sliding manner;
the abrasive belt driving device is rotationally connected with the transverse moving plate; the rotating device is rotationally connected with the longitudinal moving plate and is connected with the abrasive belt driving device through an abrasive belt; the transverse movement mechanism is arranged on the bottom plate and is connected with the transverse movement plate; the longitudinal movement mechanism is arranged on the bottom plate and is connected with the longitudinal movement plate in a sliding mode, and the sliding directions of the longitudinal movement mechanism and the longitudinal movement plate are consistent with the sliding directions of the transverse movement plate and the bottom plate.
According to the invention, the rotating device, the transverse line movement mechanism and the longitudinal movement mechanism are adopted to form a three-axis linkage mode, so that the grinding can automatically adapt to the bending error, and the grinding forming consistency is ensured.
The transverse moving plate can slide with the bottom plate and the longitudinal moving plate, the sliding direction is vertical, specifically, the transverse moving plate slides through the transverse moving mechanism, the longitudinal moving plate moves along with the movement of the transverse moving plate, when the longitudinal moving mechanism is started, the longitudinal moving plate slides on the transverse moving plate, but the transverse moving plate does not slide, so that the transverse moving plate and the longitudinal moving plate move independently without interference, and the position of the rotating mechanism on the longitudinal moving plate can be adjusted through the transverse moving plate and the longitudinal moving plate.
The abrasive belt on the rotating device is used for polishing the metal plate, and the tangential direction of the abrasive belt on the rotating device can be changed when the rotating device rotates, so that the position of the abrasive belt for polishing the metal plate is changed. When the abrasive belt driving device is started, the abrasive belt rotates on the abrasive belt driving device and the rotating device, and the abrasive belt with a certain speed can polish metal plates. The angle is changed through the rotating device, the position is changed through the transverse movement mechanism and the longitudinal movement mechanism, a three-axis linkage mode is formed, the polishing can automatically adapt to bending errors, and polishing forming consistency is guaranteed.
In addition, the grinding device can respectively control the starting and the stopping of each motor according to a program, realizes automatic grinding, lightens the workload of an operator, and reduces the damage of high noise and high dust to the operator.
Furthermore, the abrasive belt driving device comprises an abrasive belt driving motor, a driving wheel and a fixed seat; the middle part of the driving wheel is connected with a motor shaft of the abrasive belt driving motor; the fixing seat is arranged on the transverse moving plate and is rotatably connected with the middle part of the driving wheel.
The abrasive belt driving device is fixed on the transverse moving plate through the fixing seat and can move along with the movement of the transverse moving plate, and the abrasive belt driving motor also moves along with the movement of the transverse moving plate.
Furthermore, the abrasive belt driving device also comprises a tension plate connected with the transverse moving plate in a sliding manner, and the sliding directions of the tension plate and the transverse moving plate are consistent with the connecting direction of the abrasive belt driving device and the rotating device; the fixing seat is arranged on the tensioning plate.
Because the abrasive belt driving device is connected with the rotating device through the abrasive belt, the tension of the abrasive belt can be changed when the rotating device rotates, or the tension can be changed due to the extrusion of the abrasive belt and the metal plate, the tension of the abrasive belt can be adjusted by the tension plate, and the abrasive belt is prevented from loosening or being too tight.
Furthermore, a sliding groove is arranged on the transverse moving plate, a fixed sliding block and a movable sliding block are arranged in the sliding groove at intervals, and a spring is arranged between the fixed sliding block and the movable sliding block; the fixed sliding block is fixedly arranged in the sliding groove and is close to the rotating device; the movable sliding block is connected with the sliding groove in a sliding mode, fixedly connected with the tensioning plate and connected with the tensioning plate in a sliding mode.
The invention realizes the adjustment of the tension force through the spring, and the spring is in a compressed state in an initial state. In the process of rotating the rotating device, if the tension force is reduced, the tension plate moves along with the moving slide block in the direction away from the rotating device under the action of the spring to tighten the abrasive belt, and the compression amount of the spring is reduced; if the tension force is increased, the tension plate moves towards the direction close to the rotating device along with the moving slide block under the action of the spring to loosen the abrasive belt, and at the moment, the compression amount of the spring is increased.
Further, the rotating device comprises a rotating motor, a rotating shaft and a plurality of rollers; the rotating shaft is rotationally connected with the longitudinal moving plate and is connected with a motor shaft of the rotating motor; the roller is arranged around the rotating shaft; the abrasive belt is sleeved on the outer sides of the driving wheel and the roller.
The plurality of rollers are arranged around the rotating shaft, the overall shape of the abrasive belt can be changed when the rotating shaft rotates, so that the tangential direction of the abrasive belt towards the metal plate is changed, meanwhile, the tension of the abrasive belt can be changed, and the abrasive belt can have proper tension in the rotating process of the rotating device through the tension of the tension plate.
Further, the transverse movement mechanism comprises a transverse movement motor and a first telescopic assembly which are both arranged on the bottom plate; one end of the first telescopic assembly is connected with the transverse moving plate, and the other end of the first telescopic assembly is connected with the transverse moving motor through a belt.
Further, the longitudinal movement mechanism comprises a longitudinal movement motor and a second telescopic assembly which are both arranged on the bottom plate; one end of the second telescopic component is provided with a sliding part, and the other end of the second telescopic component is connected with a longitudinal movement motor through a belt; the sliding piece is connected with the longitudinal moving plate in a sliding mode, and the sliding direction between the sliding piece and the longitudinal moving plate is consistent with the sliding direction of the transverse moving plate and the sliding direction of the bottom plate.
The transverse movement mechanism of the invention carries out transverse movement through the first telescopic assembly, and the longitudinal movement mechanism carries out longitudinal movement through the second telescopic assembly. The sliding direction between the sliding part and the longitudinal moving plate on the second telescopic assembly is consistent with the sliding direction of the transverse moving plate and the sliding direction of the bottom plate, so that when the transverse moving plate moves transversely, the longitudinal moving plate and the sliding part can slide relatively, and when the sliding part moves longitudinally, the longitudinal moving plate is driven to move longitudinally, but the longitudinal movement of the longitudinal moving plate cannot be interfered by the transverse movement, namely, the longitudinal moving plate and the transverse moving plate can move independently and can also be linked.
Further, the first telescopic assembly and the second telescopic assembly are both screw rod lifting assemblies.
The screw rod lifting assembly can realize telescopic motion under the driving of the motor and move stably, so that transverse and longitudinal telescopic motion is realized.
Further, the sheet metal polishing device further comprises a dust collection cover arranged on the bottom plate, and a cover opening of the dust collection cover faces the rotating device.
The dust collection cover is used for collecting the polished dust and reducing the dust concentration in the operation space.
A polishing assembly line comprises the metal plate polishing device.
The invention has the following beneficial effects:
(1) according to the invention, the angle is changed through the rotating device, and the position is changed through the transverse movement mechanism and the longitudinal movement mechanism, so that a three-axis linkage mode is formed, the grinding can automatically adapt to the bending error, and the grinding forming consistency is ensured.
(2) The polishing device can respectively control the starting and the stopping of each motor according to a program, realizes automatic polishing, lightens the workload of an operator, and reduces the damage of high noise and high dust to the operator.
Examples
Referring to fig. 1 and 2, a metal plate polishing device includes: base plate 10, transverse motion plate 20, longitudinal motion plate 30, belt drive 40, rotation device 50, transverse motion mechanism 60, and longitudinal motion mechanism 70. The base plate 10, the lateral moving plate 20 and the longitudinal moving plate 30 are sequentially arranged from bottom to top, and the top surface of the base plate 10 and the top surface of the lateral moving plate 20 are respectively provided with guide rails with vertical directions, so that the lateral moving plate 20 can slide on the base plate 10, the longitudinal moving plate 30 can slide on the lateral moving plate 20, and the sliding directions are mutually vertical.
The belt drive 40 comprises a belt drive motor (not shown), a drive wheel 42, a holder 43 and a tensioning plate 44. The tension plate 44 is disposed on the laterally moving plate 20 and spaced apart from the longitudinally moving plate 30. The fixing base 43 is L-shaped, one end of which is connected to the tension plate 44 and the other end of which is connected to the middle of the driving wheel 42. The middle part of the driving wheel 42 is provided with a shaft, and the two ends of the shaft are respectively connected with the tension plate 44 and the driving wheel 42 in a rotating way.
The rotating means 50 is provided on the longitudinally moving plate 30, and the rotating means 50 is rotatably connected with the longitudinally moving plate 30. The rotating device 50 is belt-driven with the belt drive 40 via a belt 80. The bottom plate 10 is provided with a dust hood 90, a hood opening of the dust hood 90 faces the rotating device 50, and dust generated by the abrasive belt 80 and the metal plate enters the dust hood 90 through the hood opening to reduce the concentration of dust entering the work.
The lateral movement mechanism 60 includes a lateral movement motor 61 and a first telescopic assembly 62 both fixedly mounted on the base plate 10. In the present embodiment, the first telescoping assembly 62 is a lead screw telescoping assembly. The lead screw telescopic assembly is connected with the transverse motion motor 61 through a belt, a lead screw of the lead screw telescopic assembly is connected with the transverse motion plate 20, and the transverse motion motor 61 drives the lead screw to do telescopic motion.
The longitudinal movement mechanism 70 includes a longitudinal movement motor 71 and a second telescopic assembly 72, both mounted on the base plate 10. In the present embodiment, the second telescoping assembly 72 is a lead screw telescoping assembly. The screw rod telescopic assembly is connected with the longitudinal movement motor 71 through a belt, a screw rod of the screw rod telescopic assembly is connected with the longitudinal movement plate 30, and the longitudinal movement motor 71 drives the screw rod to do telescopic movement.
In this embodiment the direction of the line between the belt drive 40 and the rotating means 50 intersects both the extension and retraction directions of the first and second telescopic assemblies 62, 72.
Referring to fig. 3, two sliding grooves 21 are formed on the transverse moving plate 20, and a fixed sliding block 22 and a movable sliding block 23 are disposed in the sliding grooves 21. The direction of extension of the slide groove 21 coincides with the direction of the line connecting the belt drive 40 and the rotating device 50. The fixed slider 22 is spaced apart from the moving slider 23 and the fixed slider 22 is close to the rotating device 50. The fixed slide block 22 is fixedly arranged in the slide groove 21, the side surface of the movable slide block 23 is in sliding connection with the inner wall of the slide groove 21, the fixed slide block 22 is connected with the movable slide block 23 through a spring (not shown), and the movable slide block 23 reciprocates under the action of the spring. The bottom surface of tensioning plate 44 is provided with a sliding groove, the extending direction of which is consistent with the extending direction of sliding groove 21, the inner wall of the sliding groove is fixedly connected with moving slide block 23 and the inner wall of the sliding groove is slidably connected with fixed slide block 22, and tensioning plate 44 can adjust the tensioning force of abrasive belt 80 under the action of the tension of abrasive belt 80 and the elastic force of a spring.
Referring to fig. 4, the rotating device 50 includes a rotating motor 51, a rotating shaft 52, two rollers 53, and a mounting frame (not shown). The mounting frame is fixedly mounted on the longitudinal movement plate 30, two ends of the rotating shaft 52 are respectively rotatably connected with the mounting frame and the longitudinal movement plate 30, the two rollers 53 are mounted on two sides of the rotating shaft 52 and are respectively rotatably connected with the rotating shaft 52, the two rollers 53 can be driven by the abrasive belt 80 to rotate, and the tangential force of the abrasive belt 80 on the rotating device 50 is reduced. The rotating motor 51 is connected with the rotating shaft 52, and when the rotating motor 51 rotates, the two rollers 53 rotate along with the rotation of the rotating shaft 52, so that the positions of the two rollers are changed, and the contact angle of the abrasive belt 80 and the sheet metal part is changed.
Referring to fig. 5 and 6, the end of the second telescopic assembly 72 is provided with a sliding member 73, the bottom of the sliding member 73 is provided with a T-shaped sliding slot 74, and the extending direction of the T-shaped sliding slot 74 is consistent with the sliding direction of the transverse moving plate 20 and the bottom plate 10. The longitudinally moving plate 30 is provided with a T-shaped slide (not shown) that mates with the T-shaped runner 74.
When the lateral moving plate 20 is in motion, the sliding member 73 slides with respect to the longitudinal moving plate 30, thereby achieving a single motion of the lateral moving plate 20. When the transverse moving plate 20 is moving and the longitudinal moving motor 71 is working, the sliding piece 73 pushes the longitudinal moving plate 30 to move while the sliding piece 73 slides with the longitudinal moving plate 30, so that the longitudinal moving plate 30 can move in both directions, thereby realizing the linkage between the transverse moving plate 20 and the longitudinal moving plate 30. When the transverse moving plate 20 does not move and the longitudinal moving motor 71 is operated, the slider 73 pushes the longitudinal moving plate 30 to slide on the transverse moving plate 20, thereby achieving the independent movement of the longitudinal moving plate 30. Because the transverse motion plate 20 and the longitudinal motion plate 30 can move independently or in linkage, and the rotating device 50 rotates, a three-axis linkage mode is formed, so that the polishing can be automated, the polishing can automatically adapt to bending errors, and the polishing forming consistency is guaranteed.
A polishing assembly line comprises the metal plate polishing device.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.