阅读说明：本技术 一种用于镀锌前处理的安全系数高的打磨设备 (A equipment of polishing that factor of safety is high for galvanization pretreatment ) 是由 邓群 于 2019-08-13 设计创作，主要内容包括：本发明涉及一种用于镀锌前处理的安全系数高的打磨设备,包括打磨环、连接箱和两个把手,所述连接箱的形状为长方体,所述打磨环与连接箱正对设置,所述打磨环的轴线与连接箱的靠近打磨环的一侧所在的平面垂直,所述打磨环位于两个把手之间,所述把手固定在连接箱上,所述连接箱内设有驱动机构和防护机构,所述驱动机构包括滤板、转动管、轴承、驱动组件、两个抽气组件和两个传动组件,所述防护机构包括防护管、连接盘和至少两个复位组件,该用于镀锌前处理的安全系数高的打磨设备通过驱动机构实现了打磨的效果,不仅如此,还通过防护机构提高了安全性,避免火花烫伤工作人员。(The invention relates to polishing equipment with high safety factor for pretreatment before galvanization, which comprises a polishing ring, a connecting box and two handles, the connecting box is in a cuboid shape, the polishing ring is arranged opposite to the connecting box, the axis of the polishing ring is vertical to the plane of one side of the connecting box close to the polishing ring, the polishing ring is positioned between the two handles, the handles are fixed on the connecting box, a driving mechanism and a protection mechanism are arranged in the connecting box, the driving mechanism comprises a filter plate, a rotating pipe, a bearing, a driving component, two air exhaust components and two transmission components, the protection mechanism comprises a protection pipe, a connecting disc and at least two reset components, this a polishing equipment that factor of safety is high for galvanization pretreatment has realized the effect of polishing through actuating mechanism, moreover, has still improved the security through protection machanism, avoids the spark to scald the staff.)

1. The polishing equipment for the galvanization pretreatment and high in safety factor comprises a polishing ring (1), a connecting box (2) and two handles (3), wherein the connecting box (2) is cuboid in shape, the polishing ring (1) is arranged right opposite to the connecting box (2), the axis of the polishing ring (1) is perpendicular to the plane of one side, close to the polishing ring (1), of the connecting box (2), the polishing ring (1) is located between the two handles (3), and the handles (3) are fixed on the connecting box (2), and the polishing equipment is characterized in that a driving mechanism and a protection mechanism are arranged in the connecting box (2);

the drive mechanism comprises a filter plate (4), a rotating pipe (5), a bearing (6), a drive assembly, two air exhaust assemblies and two transmission assemblies, wherein the filter plate (4) is vertical to the axis of a grinding ring (1), the filter plate (4) is matched with a connecting box (2), the filter plate (4) is hermetically connected with the inner wall of the connecting box (2), one side of the connecting box (2) close to the grinding ring (1) is provided with a mounting hole, the mounting hole is coaxially arranged with the grinding ring (1), the rotating pipe (5) is coaxially arranged with the mounting hole, the outer diameter of the rotating pipe (5) is smaller than the aperture of the mounting hole and is equal to the inner diameter of the grinding ring (1), the rotating pipe (5) penetrates through the mounting hole, the support is positioned in the mounting hole, the inner ring of the bearing (6) is installed on the rotating pipe (5), the outer ring of the bearing (6) is fixedly connected with the inner wall of the mounting hole, be equipped with the connecting hole on filter plate (4), the connecting hole sets up with rotating tube (5) is coaxial, the aperture of connecting hole equals with the external diameter of rotating tube (5), rotating tube (5) passes the connecting hole, rotating tube (5) slides and sealing connection with the inner wall of connecting hole, be equipped with two at least filtration pores on filter plate (4), the filtration pore is along the axis circumference evenly distributed of connecting hole, be equipped with two at least filter screens (22) on filter plate (4), filter screen (22) and filtration pore one-to-one, filter screen (22) are installed in the filtration pore, the one end of rotating tube (5) is inserted in the annular ring of polishing (1), rotating tube (5) and the inner wall sealing connection of ring of polishing (1) annular ring, drive assembly is located connecting box (2), drive assembly sets up the one side that is close to ring of polishing (1) in filter plate (4), the grinding device comprises a driving assembly, an air exhaust assembly, a connecting box (2), a grinding ring (1), filter screens (22), a transmission assembly and a rotating pipe (5), wherein the driving assembly is in transmission connection with the rotating ring, the air exhaust assembly corresponds to the filter screens (22) one by one, the air exhaust assembly is arranged on one side of the connecting box (2) close to the grinding ring (1), the transmission assembly corresponds to the filter screens (22) one by one, the transmission assembly is arranged on one side of the grinding ring (1) close to the connecting box (2), and the grinding ring (1) is fixedly connected with the;

the protection mechanism comprises a protection pipe (7), a connection disc (8) and at least two reset components, the protection pipe (7) and a grinding ring (1) are coaxially arranged, the inner diameter of the protection pipe (7) is larger than the outer diameter of the grinding ring (1), the grinding ring (1) is positioned in the protection pipe (7), the connection disc (8) and the protection pipe (7) are coaxially arranged, the diameter of the connection disc (8) is equal to the outer diameter of the protection pipe (7), the connection disc (8) is positioned between the connection box (2) and the protection pipe (7), the connection disc (8) and the protection pipe (7) are hermetically and fixedly connected, the distance between one end of the protection pipe (7) far away from the connection box (2) and the connection box (2) is larger than the distance between one side of the grinding ring (1) far away from the connection box (2) and the connection box (2), and a gap is arranged between the grinding ring (1) and the connection box (2), the reset components correspond to the filter screens (22) one by one, and the reset components are arranged on the connecting discs (8).

2. The grinding equipment with the high safety factor for the pretreatment before galvanization as claimed in claim 1, characterized in that the driving assembly comprises a driving motor (9), a driving gear (10) and a driven gear (11), the driving motor (9) is fixed on the connecting box (2), the driving motor (9) is in transmission connection with the driving gear (10), the driven gear (11) is installed on the rotating pipe (5), and the driving gear (10) is meshed with the driven gear (11).

3. A highly safe grinding apparatus for pretreatment before galvanization according to claim 2, wherein said drive gear (10) is coated with a lubricating oil.

4. The high-safety grinding equipment for the pretreatment before galvanization according to claim 2, wherein the driving motor (9) is a servo motor.

5. The grinding equipment with the high safety factor for the pretreatment before galvanization according to claim 1, wherein the air extracting assembly comprises an air extracting pipe (12) and an air extracting pump (13), the air extracting pipe (12) is located between the connecting box (2) and the connecting plate, one end of the air extracting pipe (12) is arranged on one side, close to the grinding ring (1), of the connecting box (2), the other end of the air extracting pipe (12) is arranged on the connecting plate (8), the connecting box (2) is communicated with the protective pipe (7) through the air extracting pipe (12), the air extracting pump (13) is arranged on the air extracting pipe (12), and the air extracting pump (13) is fixed on the connecting box (2).

6. A highly safe sharpening apparatus as defined in claim 1 for pre-galvanisation treatment, the transmission assembly comprises a screw rod (14), a nut (15) and a fixed block (16), the screw rod (14) is vertical to the rotating pipe (5), one end of the screw rod (14) is fixed on one side of the connecting disc (8) close to the connecting box (2), the fixed block (16) is provided with a through hole which is coaxial with the screw rod (14), the aperture of the through hole is larger than the diameter of the screw rod (14), the screw rod (14) passes through the through hole, the fixed block (16) is fixed on the rotating pipe (5), the fixed block (16) is abutted against the connecting disc (8), the screw rod (14) is provided with external threads, the nut (15) is in threaded connection with the screw rod (14), the nut (15) abuts against one side, close to the connecting box (2), of the fixing block (16).

7. A highly safe sharpening apparatus as defined in claim 1 for pre-galvanisation treatment, the reset component comprises a limit block (17), a slide rod (18), a spring (19) and a through hole, the through hole is arranged on the connecting disc (8), the axis of the through hole is parallel to the rotating tube (5), the sliding rod (18) and the through hole are coaxially arranged, the aperture of the through hole is equal to the diameter of the sliding rod (18), the slide bar (18) passes through the through hole, the slide bar (18) is connected with the inner wall of the through hole in a sliding way, one end of the sliding rod (18) is fixed on the connecting box (2), the limiting block (17) is fixed at the other end of the sliding rod (18), stopper (17) support with the one side of keeping away from connecting box (2) of connection pad (8) and lean on, be equipped with the clearance between stopper (17) and grinding ring (1).

8. The high-safety grinding apparatus for pretreatment before galvanization of claim 7, wherein said slide bar (18) is coated with a sealing grease.

9. The grinding equipment for galvanization pretreatment with high safety factor as claimed in claim 1, characterized in that an auxiliary assembly is arranged in the connecting box (2), the auxiliary assembly comprises a baffle (20) and a refrigerating rod (21), the baffle (20) is parallel to the filter plate (4), the baffle (20) is just opposite to the rotating tube (5), the baffle (20) is located on one side, away from the grinding ring (1), of the rotating tube (5), a gap is formed between the baffle (20) and the rotating tube (5), the baffle (20) is fixedly connected with the inner wall of the connecting box (2), and the refrigerating rod (21) is arranged on one side, away from the rotating tube (5), of the baffle (20).

10. The high-safety grinding equipment for the pretreatment before galvanization according to claim 1, wherein the handle (3) is provided with anti-skid lines.

Technical Field

The invention relates to the field of galvanizing equipment, in particular to polishing equipment with high safety coefficient for galvanizing pretreatment.

Background

The galvanization refers to a surface treatment technology for plating a layer of zinc on the surface of metal, alloy or other materials to play roles of beauty, rust prevention and the like, while the galvanization is one of galvanization modes, the galvanization is a process for plating a thin layer of other metal or alloy on the surface of some metals by utilizing an electrolysis principle, the galvanization pretreatment process mainly comprises grinding, polishing, brushing, sand blasting, tumbling and various fixing grooves, the galvanization is a main process in the whole production process, and one or more single metal or alloy galvanization processes are selected to carry out galvanization or dip plating and other processing on parts according to the requirements of the parts, so that the purposes of corrosion prevention, wear resistance and beauty are achieved.

The existing polishing machine can generate a large amount of chips in the using process, the chips not only can reduce the cleanliness of processing, but also can influence the health of processing personnel when the processing personnel contacts the chips for a long time, and moreover, because the temperature of the chips is higher, the chips are usually splashed in a spark mode, the processing personnel are easily scalded, and the safety is reduced.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the polishing equipment used for the galvanization pretreatment and high in safety coefficient is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: a polishing device with high safety factor for pretreatment before galvanization comprises a polishing ring, a connecting box and two handles, wherein the connecting box is in a cuboid shape, the polishing ring is arranged opposite to the connecting box, the axis of the polishing ring is perpendicular to the plane of one side, close to the polishing ring, of the connecting box, the polishing ring is located between the two handles, the handles are fixed on the connecting box, and a driving mechanism and a protection mechanism are arranged in the connecting box;

the driving mechanism comprises a filter plate, a rotating pipe, a bearing, a driving assembly, two air exhaust assemblies and two transmission assemblies, the filter plate is perpendicular to the axis of the polishing ring, the filter plate is matched with the connecting box, the filter plate is connected with the inner wall of the connecting box in a sealing manner, one side of the connecting box, which is close to the polishing ring, is provided with a mounting hole, the mounting hole is coaxial with the polishing ring, the rotating pipe is coaxial with the mounting hole, the outer diameter of the rotating pipe is smaller than the aperture of the mounting hole and is equal to the inner diameter of the polishing ring, the rotating pipe penetrates through the mounting hole, the support is positioned in the mounting hole, the inner ring of the bearing is arranged on the rotating pipe, the outer ring of the bearing is fixedly connected with the inner wall of the mounting hole, the filter plate is provided with a connecting hole, the connecting hole is coaxial with the rotating pipe, the aperture of the connecting hole, the rotating pipe is connected with the inner wall of the connecting hole in a sliding and sealing way, at least two filtering holes are arranged on the filtering plate, the filter holes are uniformly distributed along the axial direction of the connecting hole, at least two filter screens are arranged on the filter plate, the filter screens correspond to the filter holes one by one, the filter screens are arranged in the filter holes, one end of the rotating pipe is inserted into the annular hole of the grinding ring, the rotating pipe is connected with the inner wall of the annular hole of the grinding ring in a sealing way, the driving assembly is positioned in the connecting box, the driving component is arranged on one side of the filter plate close to the grinding ring and is in transmission connection with the rotating ring, the air extracting components correspond to the filter screens one by one, the air extracting components are arranged on one side of the connecting box close to the grinding ring, the transmission assemblies correspond to the filter screens one by one, the transmission assemblies are arranged on one side of the grinding ring close to the connecting box, and the grinding ring is fixedly connected with the rotating pipe through the transmission assemblies;

the protection mechanism includes protecting tube, connection pad and two at least reset assembly, the protecting tube sets up with the ring is coaxial to polish, the internal diameter of protecting tube is greater than the external diameter of ring of polishing, the ring of polishing is located the protecting tube, connection pad and the coaxial setting of protecting tube, the diameter of connection pad equals with the external diameter of protecting tube, the connection pad is located between connecting box and the protecting tube, the connection pad is sealed and fixed connection with the protecting tube, the distance between the one end of protecting tube of keeping away from the connecting box and the connecting box is greater than the distance between one side of keeping away from the connecting box of ring of polishing and the connecting box, be equipped with the clearance between ring of polishing and the connecting box, reset assembly and filter screen one-to-one, reset assembly sets up on the connection pad.

Preferably, in order to drive the rotating pipe to rotate, the driving assembly comprises a driving motor, a driving gear and a driven gear, the driving motor is fixed on the connecting box, the driving motor is in transmission connection with the driving gear, the driven gear is installed on the rotating pipe, and the driving gear is meshed with the driven gear.

Preferably, the drive gear is coated with a lubricating oil in order to reduce the frictional force between the drive gear and the driven gear.

Preferably, the drive motor is a servo motor in order to increase the drive force of the drive motor.

Preferably, in order to realize the air extracting function, the air extracting assembly includes an air extracting pipe and an air extracting pump, the air extracting pipe is located between the connecting box and the connecting plate, one end of the air extracting pipe is arranged on one side of the connecting box close to the polishing ring, the other end of the air extracting pipe is arranged on the connecting plate, the connecting box is communicated with the protective pipe through the air extracting pipe, the air extracting pump is arranged on the air extracting pipe, and the air extracting pump is fixed on the connecting box.

As preferred, in order to realize the effect of fixed ring of polishing, drive assembly includes lead screw, nut and fixed block, the lead screw is perpendicular with the rotating tube, the one side that is close to the connecting box at the connection pad is fixed to the one end of lead screw, be equipped with the through-hole on the fixed block, the through-hole sets up with the lead screw is coaxial, the aperture of through-hole is greater than the diameter of lead screw, the lead screw passes the through-hole, the fixed block is fixed on the rotating tube, the fixed block supports with the connection pad and leans on, be equipped with the external screw thread on the lead screw, nut and lead screw threaded connection, the nut supports with one side.

As preferred, in order to realize the effect that the connection pad resets, the subassembly that resets includes stopper, slide bar, spring and through hole, the through hole sets up on the connection pad, the axis and the rotating tube of through hole are parallel, the slide bar sets up with the through hole is coaxial, the aperture and the diameter of slide bar of through hole, the slide bar passes the through hole, the inner wall sliding connection of slide bar and through hole, the one end of slide bar is fixed on the connecting box, the other end at the slide bar is fixed to the stopper, the stopper supports with the one side of keeping away from the connecting box of connection pad and leans on, be equipped with the clearance between stopper and the ring of polishing.

Preferably, the sliding rod is coated with a sealing grease in order to reduce the gap between the sliding rod and the inner wall of the through hole.

As preferred, in order to avoid the piece to scald the filter screen, be equipped with auxiliary assembly in the connecting box, auxiliary assembly includes baffle and refrigeration stick, the baffle is parallel with the filter plate, the baffle is just to setting up with the rotating tube, the baffle is located the one side of keeping away from the ring of polishing of rotating tube, be equipped with the clearance between baffle and the rotating tube, the baffle is connected with the inner wall fixed connection of connecting box, the refrigeration stick sets up the one side of keeping away from the rotating tube at the baffle.

Preferably, the handle is provided with anti-slip threads to avoid slipping.

The polishing equipment for the pre-galvanization treatment, which is high in safety coefficient, has the beneficial effects that the polishing effect is realized through the driving mechanism, compared with the existing driving mechanism, the driving mechanism also realizes the function of collecting scraps, the processing tidiness is improved, in addition, the safety is improved through the protection mechanism, the workers are prevented from being scalded by sparks, and compared with the existing protection mechanism, the protection mechanism is simple in structure and higher in practicability.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of a high-safety polishing device for pretreatment before galvanization according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 1;

FIG. 4 is an enlarged view of section C of FIG. 1;

in the figure: 1. the automatic filter comprises a grinding ring, 2 parts of a connecting box, 3 parts of a handle, 4 parts of a filter plate, 5 parts of a rotating pipe, 6 parts of a bearing, 7 parts of a protective pipe, 8 parts of a connecting disc, 9 parts of a driving motor, 10 parts of a driving gear, 11 parts of a driven gear, 12 parts of an exhaust pipe, 13 parts of an exhaust pump, 14 parts of a screw rod, 15 parts of a nut, 16 parts of a fixed block, 17 parts of a limiting block, 18 parts of a sliding rod, 19 parts of a spring, 20 parts of a baffle, 21 parts of a refrigerating rod and 22 parts of a.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1, the polishing equipment with high safety factor for pretreatment before galvanization comprises a polishing ring 1, a connecting box 2 and two handles 3, wherein the connecting box 2 is cuboid, the polishing ring 1 is arranged opposite to the connecting box 2, the axis of the polishing ring 1 is perpendicular to the plane of one side, close to the polishing ring 1, of the connecting box 2, the polishing ring 1 is positioned between the two handles 3, the handles 3 are fixed on the connecting box 2, and a driving mechanism and a protection mechanism are arranged in the connecting box 2;

the driving mechanism comprises a filter plate 4, a rotating pipe 5, a bearing 6, a driving assembly, two air exhaust assemblies and two transmission assemblies, wherein the filter plate 4 is vertical to the axis of a polishing ring 1, the filter plate 4 is matched with a connecting box 2, the inner wall of the filter plate 4 is hermetically connected with the inner wall of the connecting box 2, one side, close to the polishing ring 1, of the connecting box 2 is provided with a mounting hole, the mounting hole is coaxially arranged with the polishing ring 1, the rotating pipe 5 is coaxially arranged with the mounting hole, the outer diameter of the rotating pipe 5 is smaller than the aperture of the mounting hole and equal to the inner diameter of the polishing ring 1, the rotating pipe 5 penetrates through the mounting hole, the support is positioned in the mounting hole, the inner ring of the bearing 6 is installed on the rotating pipe 5, the outer ring of the bearing 6 is fixedly connected with the inner wall of the mounting hole, the filter plate 4 is provided with a connecting hole, the connecting hole is coaxially arranged with the rotating pipe 5, the utility model discloses a grinding machine, including filter plate 4, rotating tube 5, connecting hole, filter plate 5, drive assembly, connecting box 2, drive assembly, driving assembly, connecting box 2, drive assembly and filter screen 22, the rotating tube 5 passes the connecting hole, the rotating tube 5 slides and sealing connection with the inner wall of connecting hole, be equipped with two at least filtration pores on the filter plate 4, the filtration pore is along the axis circumference evenly distributed of connecting hole, be equipped with two at least filter screens 22 on the filter plate 4, filter screen 22 and filtration pore one-to-one, filter screen 22 installs in the filtration pore, the annular ring of grinding ring 1 is inserted to the one end of rotating tube 5, the rotating tube 5 is connected with the inner wall sealing connection of grinding ring 1 annular ring, drive assembly is located connecting box 2, drive assembly sets up the one side that is close to grinding ring 1 at filter plate 4, drive assembly is connected with the rotating ring transmission, air exhaust assembly and filter screen 22 one-to-one, drive assembly sets up the one, the grinding ring 1 is fixedly connected with the rotating pipe 5 through a transmission assembly;

protection machanism includes protecting tube 7, connection pad 8 and two at least reset assembly, protecting tube 7 and the coaxial setting of ring of polishing 1, the internal diameter of protecting tube 7 is greater than the external diameter of ring of polishing 1, ring of polishing 1 is located protecting tube 7, connection pad 8 and the coaxial setting of protecting tube 7, the diameter of connection pad 8 equals with protecting tube 7's external diameter, connection pad 8 is located between coupling box 2 and the protecting tube 7, connection pad 8 and the sealed and fixed connection of protecting tube 7, the distance between one end of protecting tube 7 of keeping away from coupling box 2 and coupling box 2 is greater than the distance between one side of ring of polishing 1 of keeping away from coupling box 2 and coupling box 2, be equipped with the clearance between ring of polishing 1 and the coupling box 2, reset assembly and filter screen 22 one-to-one, reset assembly sets up on connection pad 8.

When in polishing, a user holds the handle 3, makes the protective tube 7 abut against the workpiece, and makes the protective tube 7 drive the connecting disc 8 to move towards the direction close to the connecting box 2, meanwhile, one side of the polishing ring 1, which is far away from the connecting box 2, is attached to a workpiece, the rotating pipe 5 is rotated under the supporting action of the bearing 6 through the driving component, the rotating pipe 5 is rotated to drive the polishing ring 1 to rotate through the transmission component, the polishing effect is realized, and during the period, the air in the connecting box 2 is exhausted through the air exhaust component, so that the rotary pipe 5 draws air into the connecting box 2, and achieves the effect of collecting debris through the sieve 22, here, the protective tube 7 is used for preventing sparks from flying out, has the function of blocking sparks, prevents sparks from scalding workers, and after polishing is finished, the grinding ring 1 is separated from the protective tube 7, and the connecting disc 8 drives the protective tube 7 to reset under the action of the resetting component.

As shown in fig. 2, the driving assembly includes a driving motor 9, a driving gear 10 and a driven gear 11, the driving motor 9 is fixed on the connection box 2, the driving motor 9 is in transmission connection with the driving gear 10, the driven gear 11 is installed on the rotation tube 5, and the driving gear 10 is meshed with the driven gear 11.

The driving motor 9 operates to enable the driving gear 10 to drive the driven gear 11 to rotate, the rotation of the driven gear 11 drives the rotating pipe 5 to rotate, and the function of driving the rotating pipe 5 to rotate is achieved.

Preferably, the driving gear 10 is coated with a lubricating oil in order to reduce the frictional force between the driving gear 10 and the driven gear 11.

The lubricating oil has the function of reducing the friction force between the driving gear 10 and the driven gear 11 and improving the smoothness of the rotation of the driven gear 11 driven by the driving gear 10.

Preferably, the driving motor 9 is a servo motor in order to increase the driving force of the driving motor 9.

The servo motor has a characteristic of strong overload capability, so that the driving force of the driving motor 9 can be improved.

As shown in fig. 3, preferably, in order to implement the air extracting function, the air extracting assembly includes an air extracting pipe 12 and an air extracting pump 13, the air extracting pipe 12 is located between the connection box 2 and the connection plate, one end of the air extracting pipe 12 is disposed on one side of the connection box 2 close to the grinding ring 1, the other end of the air extracting pipe 12 is disposed on the connection plate 8, the connection box 2 is communicated with the protection pipe 7 through the air extracting pipe 12, the air extracting pump 13 is disposed on the air extracting pipe 12, and the air extracting pump 13 is fixed on the connection box 2.

During polishing, the air in the connecting box 2 is conveyed to the protective tube 7 through the air suction pipe 12 by the operation of the air suction pump 13, so that the function of air in the connecting box 2 is realized, and meanwhile, the heat dissipation effect can be improved through the flow of air in the protective tube 7.

As shown in fig. 4, the transmission assembly includes a screw rod 14, a nut 15 and a fixed block 16, the screw rod 14 is perpendicular to the rotating tube 5, one end of the screw rod 14 is fixed on one side of the connecting disc 8 close to the connecting box 2, a through hole is formed in the fixed block 16, the through hole and the screw rod 14 are coaxially arranged, the aperture of the through hole is larger than the diameter of the screw rod 14, the screw rod 14 penetrates through the through hole, the fixed block 16 is fixed on the rotating tube 5, the fixed block 16 abuts against the connecting disc 8, an external thread is formed in the screw rod 14, the nut 15 is in threaded connection with the screw rod 14, and the nut 15 abuts against one side of the fixed block 16 close.

The rotation of the rotating pipe 5 enables the screw rod 14 to drive the grinding ring 1 to rotate through the fixing block 16, so that the function of driving the grinding ring 1 to rotate is realized, and the effect of disassembling the grinding ring 1 can be realized by separating the nut 15 from the screw rod 14.

As preferred, in order to realize the effect that connection pad 8 resets, the subassembly that resets includes stopper 17, slide bar 18, spring 19 and through hole, the through hole sets up on connection pad 8, the axis of through hole is parallel with rotating tube 5, slide bar 18 and the coaxial setting of through hole, the aperture of through hole and the diameter of slide bar 18, slide bar 18 passes the through hole, slide bar 18 and the inner wall sliding connection of through hole, the one end of slide bar 18 is fixed on connecting box 2, stopper 17 fixes the other end at slide bar 18, stopper 17 supports with one side of connection pad 8 of keeping away from connecting box 2 and leans on, be equipped with the clearance between stopper 17 and the ring 1 of polishing.

When the protective tube 7 is abutted against the workpiece and the polishing ring 1 is attached to the workpiece, the protective tube 7 drives the connecting disc 8 to move on the slide rod 18 towards the connecting box 2, the spring 19 is compressed, and after the protective tube 7 is separated from the workpiece, the connecting disc 8 drives the protective tube 7 to reset under the elastic action of the spring 19, so that the resetting effect of the connecting disc 8 is realized.

Preferably, in order to reduce the gap between the sliding rod 18 and the inner wall of the through hole, said sliding rod 18 is coated with a sealing grease.

The sealing grease is used for a gap between the sliding rod 18 and the inner wall of the through hole, and the sealing performance is improved.

As preferred, in order to avoid the piece to scald filter screen 22, be equipped with auxiliary assembly in the connecting box 2, auxiliary assembly includes baffle 20 and refrigeration stick 21, baffle 20 is parallel with filter plate 4, baffle 20 is just to setting up with rotating-tube 5, baffle 20 is located rotating-tube 5's the one side of keeping away from ring 1 that grinds, be equipped with the clearance between baffle 20 and the rotating-tube 5, the inner wall fixed connection of baffle 20 and connecting box 2, refrigeration stick 21 sets up the one side of keeping away from rotating-tube 5 at baffle 20.

Can reduce the temperature of baffle 20 through refrigeration stick 21, when the rotating tube 5 extraction piece gets into in the connecting box 2, make the piece lean on with baffle 20, make baffle 20 absorb the temperature of piece, avoid the piece to scald filter screen 22.

Preferably, the handle 3 is provided with anti-slip threads to avoid slipping.

The anti-slip lines are used for improving the friction force between the hands of the user and the handle 3 and avoiding slipping.

During this equipment is polished, can avoid the spark production that produces during polishing to splash and scald the staff through protective tube 7, improved the security, simultaneously, during polishing through rotating tube 5 extraction air admission connecting box 2 in to make the piece hold back in connecting box 2 through filter screen 22, played and collected clastic function, and, can produce a large amount of heats during polishing, can make through the flow of air and promote the radiating effect.

Compared with the prior art, this a polishing equipment for pretreatment of galvanization that factor of safety is high has realized the effect of polishing through actuating mechanism, compares with current actuating mechanism, and this actuating mechanism has still realized collecting clastic function, has improved the clean and tidy nature of processing, moreover, has still improved the security through protection machanism, avoids the spark to scald the staff, compares with current protection machanism, and this protection machanism simple structure, and the practicality is stronger.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.