CN214025046U

CN214025046U - Direct current abrasive band machine

Info

Publication number: CN214025046U
Application number: CN202022484307.7U
Authority: CN
Inventors: 于荣昌
Original assignee: Nanjing Hanye Technology Industry Co ltd
Current assignee: Nanjing Hanye Technology Industry Co ltd
Priority date: 2020-10-31
Filing date: 2020-10-31
Publication date: 2021-08-24
Anticipated expiration: 2030-10-31

Abstract

The application relates to a direct current belt sander, and relates to the technical field of belt sanders. Its main technical solutions include a mounting seat and a sanding belt rotatably connected to the mounting seat, and an adjusting ring slidably connected to the mounting seat. A tensioning wheel is rotatably connected to the ring, and the side of the abrasive belt is in conflict with the side of the tensioning wheel. The mounting seat is provided with an adjustment component for driving the adjustment ring to move; when grinding the workpiece, the abrasive belt rotates on the mounting seat, The workpiece is in conflict with the abrasive belt, and the abrasive belt rubs against the workpiece to smoothly grind the workpiece. During the grinding process, when the abrasive belt slips, the adjustment ring is driven by the adjustment component to slide on the mounting seat, and the adjustment ring pulls the tensioner. When the tensioner moves, the tensioner squeezes the sanding belt, thereby increasing the tension of the sanding belt, thereby reducing the possibility of the sanding belt slipping and improving the transmission efficiency of the sanding belt.

Description

Direct current abrasive band machine

Technical Field

The application relates to the technical field of abrasive band machines, in particular to a direct-current abrasive band machine.

Background

An abrasive belt machine is a device for grinding and polishing a workpiece by using an abrasive belt, and the main working process of the abrasive belt machine is to tightly support the workpiece on the surface of a rotating abrasive belt, and the abrasive belt continuously rubs the workpiece in the rotating process so as to process the workpiece.

Chinese utility model patent with grant bulletin number CN210232545U discloses a carbide product grinding frock, the on-line screen storage device comprises a base, the mainboard, including a motor, an end cap, a controller, and a cover plate, the action wheel, the belt pulley, drive wheel and dull polish area, the base is fixed subaerial, the mainboard is fixed on the base, the motor is fixed on the mainboard, the action wheel, belt pulley and drive wheel all rotate to be connected on the mainboard, the motor shaft of motor is connected with the end wall of action wheel, dull polish area cover is established at the action wheel, belt pulley and drive wheel, the belt pulley is located between action wheel and the drive wheel.

In view of the above-mentioned related technologies, the inventor believes that the sanding belt continuously rubs against a workpiece in the working process, the temperature of the sanding belt is relatively high, the size of the sanding belt changes due to thermal expansion and cold contraction, and a gap is generated between the sanding belt and the driving wheel, so that the sanding belt slips, and the transmission efficiency of the sanding belt is further reduced.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that the abrasive belt skidded easily, this application provides a direct current abrasive belt machine.

The application provides a direct current abrasive band machine adopts following technical scheme:

the utility model provides a direct current abrasive band machine, includes the mount pad and rotates the abrasive band of connection on the mount pad, still including sliding the connection and being in adjustable ring on the mount pad, it is connected with the take-up pulley to rotate on the adjustable ring, the side of abrasive band with the side of take-up pulley is inconsistent, be equipped with the adjusting part that is used for driving the adjustable ring and removes on the mount pad.

Through adopting above-mentioned technical scheme, when polishing the work piece, the dull polish area rotates on the mount pad, it is inconsistent with the dull polish area with the work piece, thereby the dull polish area is polished smooth to the work piece with the work piece friction, at the in-process of polishing, when the dull polish area takes place to skid, through adjusting part drive adjustable ring gliding on the mount pad, thereby the adjustable ring pulling take-up pulley removes, the take-up pulley extrusion dull polish area, thereby improve the tensioning degree in dull polish area, thereby reduce the possibility that the dull polish area takes place to skid, be favorable to improving the transmission efficiency in dull polish area.

Optionally, the adjusting part including articulate the regulation pole on the ring that slides, slide the regulating block of connection on the mount pad and slide the connection and adjust the pole on the pole and draw the piece, the regulation pole is kept away from the one end of adjustable ring with the regulating block is articulated mutually, it is connected with the drive block to slide on the mount pad, it has the actuating lever to articulate on the side of drive block, the actuating lever keep away from the one end of drive block with the side of drawing the block is articulated, the drive block is followed the axis direction of adjustable ring slides, the sliding direction of regulating block with the sliding direction of drive block is mutually perpendicular.

Through adopting above-mentioned technical scheme, when needs drive the adjustable ring and remove, slide along the axis direction of adjustable ring through promoting the drive block, the drive block drives the actuating lever and removes, and the actuating lever drives and draws the piece to remove on adjusting the pole, draws the piece and pulls the regulation pole removal when removing, adjusts the pole and pulls the regulation piece again and slides, thereby adjusts the pole and pulls the adjustable ring removal to this drive adjustable ring removes smoothly.

Optionally, the mounting base is fixedly connected with a driving motor and is rotatably connected with a driving screw rod, the driving screw rod is connected with a motor shaft of the driving motor, and one end, far away from the driving motor, of the driving screw rod penetrates through the driving block and is in threaded connection with the driving block.

Through adopting above-mentioned technical scheme, when needs the drive block to slide, start driving motor, driving motor drives the drive lead screw and rotates, thereby the drive lead screw drives the drive block and slides to this improves holistic degree of automation.

Optionally, fixedly connected with regulating plate on the mount pad, be equipped with the regulation hole that supplies the regulation ring to slide on the regulating plate.

Through adopting above-mentioned technical scheme, the adjustable ring when sliding, the slip direction of regulation hole restriction adjustable ring to reduce the possibility that the adjustable ring takes place the skew at the removal in-process.

Optionally, be equipped with the lockplate on the adjustable ring, the lockplate is hollow to be set up, be connected with magnetism arm-tie respectively fixedly connected with electro-magnet and slide in the lockplate, the one end fixedly connected with locking lever of electro-magnet is kept away from to the magnetism arm-tie, the one end that the magnetism arm-tie was kept away from to the locking lever stretches out the lockplate, the end wall of locking lever with the pore wall of regulation hole is inconsistent, fixedly connected with locking spring on the side of magnetism arm-tie, the one end that the magnetism arm-tie was kept away from to the locking spring with the inside wall fixed connection of lockplate.

By adopting the technical scheme, before the adjusting ring moves, the electromagnet is electrified, the electromagnet generates magnetic force to pull the magnetic pull plate back, the magnetic pull plate pulls the locking rod to extend into the locking plate, and meanwhile, the magnetic pull plate drives the locking spring to deform; after the adjustable ring removes the completion, the electro-magnet outage, thereby locking spring resumes deformation and promotes the magnetism arm-tie and removes, and the magnetism arm-tie promotes the locking lever and stretches out the lockplate, and the end wall of locking lever supports the back with the end wall of regulation hole, fixes the adjustable ring in the regulation hole smoothly, reduces the adjustable ring and takes place the possibility of rocking in the regulation hole.

Optionally, the end wall of one end of the locking rod extending out of the locking plate is provided with locking teeth, and the hole wall of the adjusting hole is provided with fixing teeth meshed with the locking teeth.

By adopting the technical scheme, after the locking rod extends out of the locking plate, the locking teeth are meshed with the fixed teeth, so that the friction force between the locking rod and the locking hole is increased.

Optionally, the lateral wall of adjustable ring is fitted with a contraceptive ring and is equipped with the shock pad, the shock pad with the pore wall of regulation hole is inconsistent.

Through adopting above-mentioned technical scheme, the vibrations that the take-up pulley produced at the rotation in-process are transmitted to the regulating ring in, and the shock pad slows down the vibrations range of regulating ring, reduces the outward possibility of transmitting of vibrations.

Optionally, an elastic pad is arranged on the tensioning wheel, and the side surface of the elastic pad is abutted to the side surface of the abrasive belt.

Through adopting above-mentioned technical scheme, the clearance between take-up pulley and the dull polish area is filled to the cushion, reduces the possibility that produces the clearance between take-up pulley and the dull polish area.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when a workpiece is polished, the abrasive belt rotates on the mounting seat, the workpiece is abutted against the abrasive belt, so that the workpiece is polished by friction between the abrasive belt and the workpiece, when the abrasive belt slips, the position of the adjusting ring is changed through the adjusting assembly, the adjusting ring drives the tensioning wheel to move, and the tensioning wheel extrudes the abrasive belt, so that the tensioning degree of the abrasive belt is improved, the possibility of slipping of the abrasive belt in the polishing process is reduced, and the transmission efficiency of the abrasive belt is improved;

2. when the driving block needs to be moved, the driving motor is started, the driving motor drives the driving lead screw to rotate, and the lead screw is driven to drive the driving block to slide, so that the integral automation degree is improved;

3. during the moving process of the adjusting ring, the adjusting holes limit the range of the adjusting ring, and the possibility of the adjusting ring shifting in the sliding process is reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of a dc belt sander in the embodiment of the present application.

Fig. 2 is a schematic view of the overall structure of the mounting seat, the adjusting plate, the abrasion motor, the driving wheel, the sanding belt and the adjusting assembly in the embodiment of the present application.

FIG. 3 is a schematic cross-sectional view of the mounting seat, adjustment plate, adjustment hole, and adjustment ring in the embodiment of the present application.

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

Fig. 5 is a schematic structural diagram of a mounting seat, a sanding motor, an adjustment assembly, and a power adapter in an embodiment of the present application.

Fig. 6 is an enlarged view of a portion B in fig. 5.

Description of reference numerals: 1. a mounting seat; 10. a protective shell; 101. a handle; 102. chip removal holes; 11. a frosted motor; 111. a driving wheel; 12. grinding an abrasive belt; 13. a driven wheel; 14. an adjusting plate; 141. an adjustment hole; 142. fixing teeth; 15. an adjusting ring; 151. a shock pad; 152. a locking plate; 1521. a locking cavity; 153. an electromagnet; 154. a magnetic pulling plate; 155. a locking lever; 156. a locking spring; 157. a locking tooth; 16. a tension wheel; 161. an elastic pad; 17. a power adapter; 18. a drive slot; 2. an adjustment assembly; 21. a drive motor; 211. a driving gear; 22. driving a lead screw; 221. a driven gear; 23. a drive block; 24. adjusting a rod; 241. pulling the block; 25. an adjusting block; 26. a drive rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses direct current abrasive band machine.

Referring to fig. 1 and 2, a direct current belt sander comprises a mounting base 1, a sanding motor 11 arranged on the mounting base 1, a driving wheel 111 fixedly connected to a motor shaft of the sanding motor 11, a sanding belt 12 sleeved on the driving wheel 111, and a driven wheel 13 rotatably connected to the mounting base 1, a protective shell 10 is welded on the mounting base 1, a handle 101 and a scrap discharge pipe 102 are respectively welded on the outer side wall of the protective shell 10, one side of the sanding belt 12 away from the driving wheel 111 is sleeved on the driven wheel 13, an adjusting plate 14 is welded on the mounting base 1, the adjusting plate 14 is arranged in the vertical direction, the adjusting plate 14 is positioned between the driving wheel 111 and the driven wheel 13, an adjusting hole 141 is arranged on the side surface of the adjusting plate 14 in a penetrating manner, the adjusting hole 141 is a waist-shaped hole, the adjusting hole 141 is arranged in the vertical direction, an adjusting ring 15 is connected in a sliding manner, and a tensioning wheel 16 is rotatably connected in the adjusting ring 15, the side of the tension wheel 16 is against the side of the sanding belt 12, and the mounting seat 1 is provided with an adjusting component 2 for driving the adjusting ring 15 to move.

Referring to fig. 1 and 2, a power adapter 17 is inserted into the mounting base 1, and the power adapter 17 is electrically connected with the sanding motor 11; when a workpiece is ground, power is supplied to the grinding motor 11 through the power adapter 17, the grinding motor 11 starts to be started after power is supplied, the grinding motor 11 drives the driving wheel 111 to rotate, the driving wheel 111 rubs with the grinding belt 12 to drive the grinding belt 12 to rotate, the grinding belt 12 rubs with the driven wheel 13 and the tension wheel 16 while rotating to drive the driven wheel 13 and the tension wheel 16 to rotate, after the sanding belt 12 normally rotates, the protective shell 10 is lifted by pulling the handle 101 to make the workpiece contact with the surface of the sanding belt 12, the workpiece rubs against the sanding belt 12, the sanding belt 12 polishes the workpiece, the scraps generated by polishing are discharged through the scrap discharge hole 102, when the sanding belt 12 slips due to the fact that the tensioning degree is weakened, the adjusting assembly 2 drives the adjusting ring 15 to slide upwards in the adjusting hole 141, the adjusting hole 141 limits the moving range of the adjusting ring 15, and the possibility of the adjusting ring 15 shifting is reduced; when the adjusting ring 15 slides, the sanding belt 12 is squeezed, so that the tensioning degree of the sanding belt 12 is increased, the tensioning degree of the sanding belt 12 is smoothly increased, the possibility of slippage of the sanding belt 12 is favorably reduced, and the transmission efficiency of the sanding belt 12 is improved.

Referring to fig. 2, an elastic pad 161 made of rubber is adhered to the peripheral wall of the tension pulley 16, and the side surface of the elastic pad 161 is in contact with the side surface of the polishing belt 12; when the tension wheel 16 presses the sanding belt 12, the elastic pad 161 is locally deformed by the pressing force, so that the contact area between the sanding belt 12 and the tension wheel 16 is increased, and the possibility of slippage between the sanding belt 12 and the tension wheel 16 is reduced.

Referring to fig. 3 and 4, a damping pad 151 is adhered to the circumferential wall of the adjusting ring 15, and the side surface of the damping pad 151 is in contact with the wall of the adjusting hole 141; the tensioning wheel 16 generates vibration in the rotating process, the vibration generated by the tensioning wheel 16 is transmitted into the adjusting ring 15, the vibration amplitude generated by the adjusting ring 15 is reduced by the damping pad 151, and the possibility that the vibration of the adjusting ring 15 is transmitted to the adjusting plate 14 is reduced.

Referring to fig. 4, the outer side wall of the adjusting ring 15 is welded with two locking plates 152, the two locking plates 152 are uniformly distributed along the vertical direction, a locking cavity 1521 is formed in each locking plate 152, an electromagnet 153 is adhered in each locking cavity 1521, a magnetic pull plate 154 is connected in each locking cavity 1521 in a sliding manner, the magnetic pull plates 154 are arranged opposite to the electromagnets 153, the two magnetic pull plates 154 are arranged, the electromagnets 153 are located between the two magnetic pull plates 154, one side, away from the electromagnets 153, of each magnetic pull plate 154 is welded with a locking rod 155, a locking spring 156 is sleeved on each locking rod 155, one end of each locking spring 156 is welded with the corresponding magnetic pull plate 154, the other end of each locking spring 156 is welded with the corresponding side wall of each locking cavity 1521, one end, away from the corresponding magnetic pull plate 154, of each locking rod 155 extends out of each locking plate 152, one end, extending out of each locking plate 155, is provided with locking teeth 157, and fixed teeth 142 meshed with the locking teeth 157 are arranged on the hole wall of the adjusting hole 141; before the adjusting ring 15 slides, the electromagnet 153 is electrified, the electromagnet 153 generates magnetic force to adsorb the magnetic pull plate 154, the magnetic pull plate 154 pulls the locking rod 155 to extend into the locking cavity 1521, meanwhile, the locking spring 156 is pulled to be stretched and deformed, the locking teeth 157 are separated from the fixed teeth 142, and the adjusting ring 15 slides in the adjusting hole 141 smoothly; when the position of the adjusting ring 15 is determined, the electromagnet 153 is powered off, the locking spring 156 recovers deformation, the locking spring 156 pulls the magnetic pulling plate 154 to move, the magnetic pulling plate 154 pushes the locking rod 155 to extend out of the locking cavity 1521, and the locking rod 155 pushes the locking teeth 157 to be meshed with the fixing teeth 142, so that the adjusting ring 15 is fixed in the adjusting hole 141, and the possibility of shaking of the adjusting ring 15 is reduced.

Referring to fig. 5 and 6, the adjusting assembly 2 includes a driving motor 21, a driving lead screw 22, a driving block 23 and an adjusting rod 24, the driving motor 21 is fixed on the mounting base 1 through a bolt, the driving lead screw 22 is rotatably connected on the mounting base 1, an axis of the driving lead screw 22 is parallel to an axis of the adjusting ring 15, a driving gear 211 is keyed on a motor shaft of the driving motor 21, a driven gear 221 meshed with the driving gear 211 is keyed on the driving lead screw 22, a driving groove 18 is formed in a top wall of the mounting base 1, the driving groove 18 is arranged along an axis direction of the adjusting ring 15, the driving block 23 is slidably connected in the driving groove 18, the driving lead screw 22 is located in the driving groove 18, and the driving lead screw 22 passes through the driving block 23 and is in threaded connection with the driving block 23.

Referring to fig. 5 and 6, the adjusting rod 24 is hinged to the adjusting ring 15, the adjusting rod 24 is located on one side of the adjusting plate 14 away from the tensioning wheel 16, the two adjusting rods 24 are arranged, the adjusting ring 15 is located between the two adjusting rods 24, the adjusting block 25 is connected to the mounting base 1 in a sliding manner, one end of the adjusting rod 24 away from the adjusting ring 15 is hinged to the adjusting block 25, the two adjusting blocks 25 are arranged, the two adjusting blocks 25 correspond to the two adjusting rods 24 one by one, the sliding direction of the adjusting block 25 is perpendicular to the sliding direction of the driving block 23, the adjusting rod 24 is connected with the pulling block 241 in a sliding manner, two driving rods 26 are hinged to the side surface of the driving block 23 in a ball joint manner, one end of the driving rod 26 away from the driving block 23 is hinged to the side surface of the pulling block 241, the two driving rods 26 are arranged, and the two driving rods 26 correspond to the two pulling blocks 241 one by one; when the locking teeth 157 and the fixing teeth 142 are separated, the driving motor 21 is started, the driving motor 21 drives the driving gear 211 to rotate, the driving gear 211 drives the driven gear 221 to rotate, the driven gear 221 drives the driving screw 22 to rotate, the driving screw 22 drives the driving block 23 to slide towards one side close to the adjusting plate 14 in the driving groove 18, the driving block 23 pushes the driving rod 26 to move in the moving process, the driving rod 26 pushes the pulling block 241 to slide on the adjusting rod 24, the pulling block 241 pulls the adjusting rod 24 to turn over in the sliding process, the adjusting rod 24 pulls the adjusting blocks 25 to close to each other, so that the adjusting rod 24 smoothly pulls the adjusting ring 15 to move upwards in the adjusting hole 141, and the adjusting ring 15 moves upwards in the pulling tension wheel 16, thereby smoothly improving the tension degree of the abrasive belt 12.

The implementation principle of the direct current abrasive belt machine in the embodiment of the application is as follows: when a workpiece is polished, the abrasive belt 12 rotates on the mounting base 1, the workpiece is abutted against the abrasive belt 12, and the abrasive belt 12 rubs against the workpiece, so that the workpiece is smoothly polished; when the abrasive belt 12 is tensioned to be reduced and slip occurs, the adjusting assembly 2 adjusts the position of the adjusting ring 15, and the adjusting ring 15 drives the tensioning wheel 16 to squeeze the abrasive belt 12, so that the tensioning degree of the abrasive belt 12 is increased, the possibility of slip of the abrasive belt 12 is reduced, and the transmission efficiency of the abrasive belt 12 is improved.

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

Claims

1. A direct current abrasive belt machine, comprising a mounting seat (1) and a grinding belt (12) rotatably connected on the mounting seat (1), characterized in that: also comprising a sliding connection on the mounting seat (1) A tensioning wheel (16) is rotatably connected to the adjusting ring (15), the side surface of the abrasive belt (12) is in conflict with the side surface of the tensioning wheel (16), and the An adjustment assembly (2) for driving the adjustment ring (15) to move is arranged on the mounting seat (1).

2. A direct current belt sander according to claim 1, characterized in that: the adjustment assembly (2) comprises an adjustment rod (24) hinged on the slip ring, slidably connected to the mounting seat (1) The adjusting block (25) on the upper part and the pulling block (241) slidably connected to the adjusting rod (24), the end of the adjusting rod (24) away from the adjusting ring (15) and the adjusting block (25) A drive block (23) is slidably connected to the mounting seat (1), a drive rod (26) is hinged on the side of the drive block (23), and the drive rod (26) is far away from the drive block ( One end of 23) is hinged with the side surface of the pulling block (241), the driving block (23) slides along the axial direction of the adjusting ring (15), and the sliding direction of the adjusting block (25) is the same as that of the adjusting ring (25). The sliding direction of the driving block (23) is vertical.

3. A direct current belt sander according to claim 2, characterized in that: a drive motor (21) and a drive screw (22) are fixedly connected to the mounting seat (1) respectively, and a drive screw (22) is rotatably connected. The drive screw (22) is connected with the motor shaft of the drive motor (21), and the end of the drive screw (22) away from the drive motor (21) passes through the drive block (23) and is connected with the drive block ( 23) Threaded connection.

4. A direct current belt sander according to claim 1, characterized in that: an adjusting plate (14) is fixedly connected to the mounting seat (1), and an adjusting ring is provided on the adjusting plate (14). (15) Adjustment hole (141) for sliding.

5 . The DC belt sander according to claim 4 , wherein a locking plate ( 152 ) is provided on the adjusting ring ( 15 ), the locking plate ( 152 ) is hollow, and the locking plate ( 152 ) is hollow. 6 . In (152), an electromagnet (153) is fixedly connected and a magnetic pull plate (154) is slidably connected, and a locking rod (155) is fixedly connected to one end of the magnetic pull plate (154) away from the electromagnet (153), One end of the locking rod (155) away from the magnetic pulling plate (154) protrudes from the locking plate (152), and the end wall of the locking rod (155) is in conflict with the hole wall of the adjusting hole (141), A locking spring (156) is fixedly connected to the side surface of the magnetic pulling plate (154), and one end of the locking spring (156) away from the magnetic pulling plate (154) is fixedly connected to the inner side wall of the locking plate (152).

6 . The DC belt sander according to claim 5 , wherein a locking tooth ( 157 ) is provided on the end wall of the end of the locking rod ( 155 ) protruding from the locking plate ( 152 ). 7 . A fixing tooth (142) meshing with the locking tooth (157) is arranged on the hole wall of the adjusting hole (141).

7 . The DC belt sander according to claim 5 , wherein a shock-absorbing pad ( 151 ) is provided on the outer side wall of the adjusting ring ( 15 ), and the shock-absorbing pad ( 151 ) and the The hole walls of the adjustment holes (141) are in conflict with each other.

8 . The DC belt sander according to claim 1 , wherein an elastic pad ( 161 ) is provided on the tensioning wheel ( 16 ), and the side surface of the elastic pad ( 161 ) is connected to the sanding The sides of the belt (12) are in contact.