CN220408253U - Polishing tool - Google Patents

Abstract

The utility model relates to a switch board production technical field specifically discloses a frock of polishing, including the disc that is used for polishing the switch board, stack the disc sand paper that has removable and at least piece on the disc, the middle part of disc has inserted detachable screw rod, disc and screw rod swing joint, the screw rod passes the one end threaded connection of sand paper and has the pressure disk that is used for compressing tightly sand paper, the support that is used for handheld is installed to the periphery of disc, the disc rotates with the support to be connected, and the one end that the pressure disk was kept away from to the screw rod is connected with in the support simultaneously and is used for driving disc pivoted output shaft. The aim at of this patent is solved and is used abrasive paper to the power distribution cabinet door inner wall edge when polishing, and high frequency change abrasive paper is more troublesome for the work of polishing can not last, and then influences the problem of the efficiency that the switch board polished.

Description

Polishing tool

Technical Field

The utility model relates to the technical field of power distribution cabinet production, in particular to a polishing tool.

Background

The power distribution cabinet is a cabinet body integrated with electric elements for distributing and controlling electric equipment, and can provide power-off protection when overload, short circuit and electric leakage occur to a circuit.

In the production process of the power distribution cabinet, the edges of the door of the power distribution cabinet are required to be bent by metal plates twice, the edges of the door of the power distribution cabinet are enabled to be buckled internally, welding is carried out at the contact positions of the adjacent two groups of edges of the door of the power distribution cabinet in order to prevent scratch caused by sharp edges, and polishing is required to be carried out after the welding is finished so as to facilitate subsequent assembly operation.

Before the cabinet body is not processed and polished, the surface is uneven, and if the cabinet body with the uneven surface is welded, the surface of the cabinet body and the inclined state can be caused, so that the running state of equipment is influenced.

At present, the power distribution cabinet can be polished by using a handheld electric angle grinder, the rough polishing can be performed by using a rough grinding sheet or a polishing wheel, after the rough polishing is finished, the edge of the power distribution cabinet can be manually and finely polished by using handheld sand paper, but the manual labor intensity is high in the fine polishing process.

In order to improve the effect of polishing of the power distribution cabinet, reduce intensity of labour, the China patent with the bulletin number of CN209868168U is entitled to disclose an edge polishing device for power distribution cabinet production, and the device is fixed and clamped to the cabinet body through the limiting block, and the polishing seat on the driving assembly is attached to the edge of the cabinet body, and polishes the edge of the cabinet body under the action of a conveying belt.

However, in the above scheme, according to the description of the accompanying drawings and the 22 nd paragraph of the specification, the polishing device can only polish the peripheral edge of the power distribution cabinet, but in the actual production process of the power distribution cabinet, the edge of the inner side wall of the cabinet door of the power distribution cabinet is buckled, at this time, the inner side wall of the cabinet door of the power distribution cabinet needs to be polished, when one piece of sand paper is manually polished, the sand paper needs to be mounted on the angle grinder again after being consumed, and the sand paper needs to be mounted on the angle grinder again, the screw in the middle of the sand wheel needs to be unscrewed by a special spanner, so that the old sand paper can be removed, and the new sand paper is replaced. However, this high frequency of changing the sandpaper can severely impact the efficiency of sanding.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a polishing tool, which solves the problems that when the edge of the inner wall of a door body of a power distribution cabinet is polished by using abrasive paper, the abrasive paper is more troublesome to replace at high frequency, so that polishing work cannot be continuously performed, and further the polishing efficiency of the power distribution cabinet is affected.

In order to solve the problems, the utility model adopts the following technical scheme:

the utility model provides a frock of polishing, is including the disc that is used for polishing the switch board, pile up on the disc and take off and at least disc abrasive paper, the middle part of disc has inserted detachable screw rod, disc and screw rod swing joint, the screw rod passes the one end threaded connection of abrasive paper and has the pressure disk that is used for compressing tightly abrasive paper, the support that is used for handheld is installed to the periphery of disc, the disc rotates with the support to be connected, the one end that the pressure disk was kept away from to the screw rod in the support simultaneously is connected with and is used for driving disc pivoted output shaft.

The principle of the scheme is as follows:

the disc-shaped abrasive paper with the plurality of disc-shaped abrasive papers is placed on the disc, the disc provided with the disc-shaped abrasive papers is placed on the support by penetrating through the screw and pressing by the pressing disc, the output shaft is connected with the screw, a worker holds the support to polish a place where the power distribution cabinet needs to be polished, one piece of abrasive paper can be torn off from the topmost abrasive paper after polishing, and the worker can continue polishing operation after tearing off the abrasive paper.

The beneficial effect that this scheme produced is:

according to the scheme, the plurality of abrasive papers are mounted on the disc and are pressed by the pressing disc, when the abrasive papers need to be replaced, a worker tears the abrasive papers which need to be replaced, and the additional step of removing the spanner bolts is not needed, and then the abrasive papers are removed, so that the time interval for polishing interruption caused by replacement of the abrasive papers is reduced, and the polishing efficiency is improved; secondly, because the support can be held by hand, when the inner side of the power distribution cabinet is polished, a worker can randomly adjust the hand-held position and angle according to the polished position, so that the power distribution cabinet can be polished better.

Further, the top end of the output shaft is provided with a cross-shaped insert, meanwhile, the bottom end of the screw rod is provided with a slot for the insert to be inserted, and after all abrasive paper installed on the disc is consumed, the screw rod and the disc can be integrally taken out of the support through the cross-shaped insert and the slot, and new disc-shaped abrasive paper can be replaced.

Further, the support consists of two semicircular first supports which can move transversely, the cross section of each first support is L-shaped, the inner side wall of each support is contacted with the outer wall of the disc, balls which are uniformly distributed are connected at the contact part of the first support and the outer wall of the disc in a sliding manner, and annular grooves which can be used for clamping the balls are formed in the periphery of the disc; through horizontal pulling first support, the ball of first support side can follow first support and break away from the annular, can take off the disc this moment, when needing the chucking disc, loosens first support, and two first supports remove to the side of disc to form cylindric, because in the ball snap-in annular, can avoid the disc to appear at pivoted in-process condition that reciprocates appearing, guarantee disc pivoted stability.

Further, a second bracket is arranged between the two first brackets, an inserting rod is transversely arranged on one side, close to the second bracket, of the first bracket, a slot for inserting the inserting rod is formed in the side face of the second bracket, a spring is transversely and fixedly arranged in the slot, one end of the spring is fixed with the inserting rod, the other end of the spring is fixed with the inside of the slot, and due to the existence of the spring, when the first bracket is pulled, the spring can firmly clamp balls of the first bracket into a ring groove of a disc, so that the clamping effect on the disc is realized; meanwhile, the movement mode of the first bracket is limited by the inserted link and the slot, so that the first bracket can only move transversely, and the balls can be accurately clamped into the annular grooves.

Further, the bottom fixed mounting of second support has vertical handheld portion, and handheld portion internal fixation has the motor that is used for driving output shaft pivoted, but simultaneously in the handheld portion demountable installation have with motor electric connection and detachable battery, the battery of handheld portion can provide electric power for the motor, and detachable battery can be changed at any time simultaneously, the sustainable operating time of extension motor.

Further, the periphery parcel of handheld portion has the rubber layer that is used for skid-proof, and the surface on rubber layer is equipped with anti-skidding line, and when the handheld portion was held to the staff's hand, the frictional force of handheld portion and hand can be increased to the anti-skidding line on rubber layer and rubber layer surface, and the staff of being convenient for holds with the hand better.

Drawings

FIG. 1 is a schematic diagram of the present utility model.

Reference numerals in the drawings of the specification include:

disc 1, abrasive paper 2, screw 3, pressure disk 3-1, insert 3-2, first support 4, insert 4-1, spring 4-1-1, ball 4-2, second support 4-3, hand-held part 5, rubber layer 5-1, output shaft 5-2, motor 5-3, battery 5-4.

Detailed Description

The following is a further detailed description of the embodiments:

taking fig. 1 as an example, sandpaper 2 is placed on top of a disc 1 in the drawing, taking this as a reference for direction.

An example is substantially as shown in figure 1:

in the process of power distribution cabinet production, the inboard edge of power distribution cabinet can buckle, needs the kink to polish this moment, and the polishing can use the angle grinder to carry out the mould of roughly polishing, then carries out the essence with abrasive paper 2 and polishes, can use the frock of polishing to assist to carry out the essence to polish for this reason.

As shown in figure 1, the polishing tool comprises a disc-shaped disc 1, a through hole penetrating through is vertically formed in the middle of the disc 1, at least one disc-shaped sand paper 2 is placed above the disc 1, a hole with the same size as the through hole in the middle of the disc 1 is formed in the circle center of the sand paper 2 in advance, a screw rod 3 is vertically placed in the middle of the disc 1, the middle of the screw rod 3 is in a polished rod shape, two ends of the screw rod 3 are in a thread shape, the middle of the screw rod 3 is in clearance fit with the disc 1, the top of the screw rod 3 is in threaded connection with a pressure plate 3-1 for pressing the sand paper 2, and the sand paper is firmly fixed through the pressure plate 3-1. The disc 1 is when high-speed rotation, and the abrasive paper 2 at the top carries out contact with the part that the switch board needs to polish, and one abrasive paper 2 after polishing can tear one abrasive paper 2 at the top, and next abrasive paper 2 continues to carry out the operation of polishing for the operation of polishing can last.

The support is installed to the below of disc 1, and the support comprises two transversely movable's first support 4 and second support 4-3, and the cross-section of first support 4 is "L type", and the top side of first support 4 contacts with the side of disc 1, and two first supports 4 enclose and form the ring shape at disc 1 periphery, and first support 4 and the contact one side evenly distributed of disc 1 periphery have the ball 4-2 that can freely roll, and the groove that supplies ball 4-2 card to go into is offered to the top side of first support 4, and the annular has been offered to the contact one side of disc 1 periphery and ball 4-2 simultaneously. When the first support 4 moves towards the disc 1, one side of the ball 4-2 can be clamped into the annular groove of the disc 1, so that clamping of the disc 1 is realized, and when the disc 1 rotates, the ball 4-2 is clamped into the annular groove of the disc 1, so that the condition that the disc 1 moves up and down can be avoided.

The bottom of first support 4 transversely connects second support 4-3, simultaneously first support 4 and second support 4-3 contact site fixedly connected with inserted bar 4-1, inserted bar 4-1 evenly distributed has four, a first support 4 is provided with two inserted bars 4-1, all inserted bars 4-1 are transversely set up, inserted bar 4-1 and first support 4 are connected as an organic wholely, the slot that supplies inserted bar 4-1 to insert is seted up to the side of second support 4-3 simultaneously, transversely be fixed with spring 4-1-1 in the slot, the one end and the slot inside of spring 4-1-1 are fixed, the other end and the inserted bar 4-1 fixed connection of spring 4-1, through transversely pulling first support 4, under the effect of inserted bar 4-1, make first support 4 only can lateral shifting, when unclamping first support 4, the ball 4-2 at first support 4 top just can the lateral shifting card go into in disc 1's the annular.

The second support 4-3 is the disc, the through-hole that runs through has been vertically seted up at the middle part of second support 4-3, vertically insert in the through-hole and be used for driving the rotatory output shaft 5-2 of screw rod 3, the top of output shaft 5-2 is fixed with the inserted block 3-2 of cross, the slot that supplies the inserted block 3-2 to insert is seted up to the bottom of screw rod 3 simultaneously, the slot is provided with two, through inserting the inserted block 3-2 of output shaft 5-2 in the slot of screw rod 3, can realize the connection of output shaft 5-2 and screw rod 3, the middle part of screw rod 3 transversely passes disc 1, clearance fit between the middle part of screw rod 3 and disc 1, and compress tightly with pressure disk 3-1, simultaneously after all abrasive paper 2 consume, break away from between screw rod 3 and the output shaft 5-2 through upwards lifting disc 1, the use of the inserted block 3-2 and slot makes the dismantlement disc 1 more convenient.

The lower part of the second bracket 4-3 is vertically provided with a cylindrical handheld part 5, the top end of the handheld part 5 is fixedly connected with the bottom end of the second bracket 4-3, the inside of the handheld part 5 is fixedly provided with a motor 5-3 fixedly connected with the bottom end of the output shaft 5-2, meanwhile, the inside of the handheld part 5 is also provided with a storage battery 5-4 for supplying power to the motor 5-3, the storage battery 5-4 is electrically connected with the motor 5-3, meanwhile, the storage battery 5-4 is detachable, and when the electric quantity of the storage battery 5-4 is exhausted, the storage battery 5-4 can be replaced so as to prolong the continuous working time of the motor 5-3.

The periphery of the hand-held part 5 is covered with a layer of rubber layer 5-1, anti-slip lines used for preventing slipping are arranged on the surface of the rubber layer 5-1, and when a worker holds the hand-held part 5 by hand, the friction force of hands can be increased by the anti-slip lines on the surfaces of the rubber layer 5-1 and the rubber layer 5-1, so that slipping caused by slipping of the hands in the polishing process is avoided.

The outer periphery of the first bracket 4-1 is transversely sleeved with a detachable clamp, the clamp is not drawn in the drawing, and the clamp is locked with the first bracket 4-1 by bolts.

The specific implementation process is as follows: manually removing bolts connected to the clamp, removing the clamp, manually pulling the two first supports 4 transversely, placing the disc 1 with the sand paper 2 installed between the two first supports 4, and inserting the bottom end of the screw 3 into the insert 3-2 of the output shaft 5-2; at this time, the first support 4 is loosened, the first support 4 moves towards the periphery of the disc 1, the balls 4-2 are clamped into the annular grooves in the periphery of the disc 1 to position the disc 1, then the clamp is sleeved on the periphery of the first support 4-1 and locked by using bolts, the first support 4-1 is prevented from expanding, the hand-held part 5 is held by hands finally, the motor 5-3 is started, the motor 5-3 drives the output shaft 5-2 and the disc 1 to rotate, and a worker can polish a part of the power distribution cabinet, which needs to be polished.

The foregoing is merely exemplary embodiments of the present utility model, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims (6)

1. The utility model provides a frock of polishing, includes the disc that is used for polishing the switch board, its characterized in that: the disc-shaped sand paper is stacked on the disc, a detachable screw rod is inserted into the middle of the disc, the disc is movably connected with the screw rod, one end of the screw rod, which passes through the sand paper, is in threaded connection with a pressing disc for pressing the sand paper, a bracket for holding is arranged on the periphery of the disc, the disc is rotationally connected with the bracket, and meanwhile, one end, which is far away from the pressing disc, of the screw rod in the bracket is connected with an output shaft for driving the disc to rotate.

2. A sanding tool as defined in claim 1, wherein: the top end of the output shaft is provided with a cross-shaped inserting block, and meanwhile, the bottom end of the screw rod is provided with a slot for the inserting block to insert.

3. A sanding tool as defined in claim 1, wherein: the support comprises two semicircular first supports capable of transversely moving, the cross section of each first support is L-shaped, the inner side walls of the supports are in contact with the outer walls of the discs, balls which are uniformly distributed are connected to the contact positions of the first supports and the outer walls of the discs in a sliding mode, and annular grooves which can be used for the balls to be clamped in are formed in the periphery of the discs.

4. A sanding tool as defined in claim 3, wherein: a second support is arranged between the two first supports, a plug rod is transversely arranged on one side, close to the second support, of the first support, a slot for the plug rod to be inserted is formed in the side face of the second support, a spring is transversely and fixedly arranged in the slot, one end of the spring is fixed with the plug rod, and the other end of the spring is fixed with the interior of the slot.

5. The grinding tool of claim 4, wherein: the bottom fixed mounting of second support has vertical handheld portion, and handheld portion internal fixation has the motor that is used for driving output shaft pivoted, but simultaneously demountable installation have with motor electric connection and detachable battery in the handheld portion.

6. The grinding tool of claim 5, wherein: the periphery parcel of handheld portion has the rubber layer that is used for skid resistance, and the surface of rubber layer is equipped with anti-skidding line.