CN211958212U

CN211958212U - Automatic carry out assembly fixture fixed to brush holder and carbon brush

Info

Publication number: CN211958212U
Application number: CN202020889535.XU
Authority: CN
Inventors: 王小清; 张建强
Original assignee: Haimen City Hengchang Carbon Co ltd
Current assignee: Nantong Hengyi Carbon Technology Co ltd
Priority date: 2020-05-23
Filing date: 2020-05-23
Publication date: 2020-11-17
Anticipated expiration: 2030-05-23

Abstract

The utility model discloses an automatic assembly fixture who fixes brush holder and carbon brush relates to carbon brush production technical field, aims at solving the technical problem that the stationary blade on the brush holder is generally manually bent by the operating worker to ensure flatness, but long-time hard bending can lead to the operating worker working strength to be larger, easily leads to the fatigue of operating personnel, and its technical scheme main points are including the workstation, be provided with the fixed block on the fixed station, it is connected with the butt rod to slide in the fixed block, the tip of one end of butt rod is provided with the driving piece that drives the butt rod to move, the one end of butt rod that keeps away from the driving piece is provided with the clamping rod; the clamping device is characterized in that clamping blocks are respectively arranged on two sides of the workbench, which are located on the central axis of the fixed block, clamping plates are connected in the clamping blocks in a sliding mode, and the clamping rods are provided with guide surfaces which are used for abutting against the clamping plates to realize relative movement of the two clamping plates. The effect of automatic butt bending the stationary blade in order to reduce operation workman's working strength has been reached.

Description

Automatic carry out assembly fixture fixed to brush holder and carbon brush

Technical Field

The utility model belongs to the technical field of the technique of carbon brush production and specifically relates to an automatic assembly fixture who fixes brush holder and carbon brush is related to.

Background

Carbon brushes, also called brushes, are mainly made of graphite, impregnated graphite, and metal (copper-containing, silver-containing) graphite, which are widely used as a sliding contact in many electrical devices. The carbon brush is a device for transmitting energy or signals between a fixed part and a rotating part of a motor or a generator or other rotating machinery, is generally made of pure carbon and a coagulant, is generally square in shape, is clamped on a metal support, is tightly pressed on a rotating shaft by a spring inside, and transmits electric energy to a coil through a phase changer when the motor rotates.

As shown in fig. 3, the conventional carbon brush holder 6 includes a carbon brush 61 and a brush holder 62, wherein a conductive sheet 63 is fixed to one end of the brush holder 62, and the conductive sheet 63 is fixed to an end wall of the carbon brush 61 through a wire. A fixing spring 622 for fixing the brush holder 62 is integrally formed at the bottom of the brush holder 62; the brush holder 62 is integrally formed with a fixing plate 621 at an end portion close to the conductive plate 63, the conductive plate 63 is provided with an insertion hole 631 into which the fixing plate 621 is inserted, and the fixing plate 621 is inserted into the insertion hole 631 and bent to abut against the conductive plate 63 to fix the conductive plate 63 at the end portion of the brush holder 62, so that the conductive plate 63 is quickly fixed at the end portion of the brush holder 62.

The above prior art solutions have the following drawbacks: the fixing sheet on the brush holder is generally bent manually by an operator to ensure flatness, but long-time forced bending can cause higher working strength of the operator, easily causes fatigue of the operator, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an automatic assembly fixture who fixes is carried out brush holder and carbon brush, it has the advantage of carrying out the butt to the stationary blade automatically and bending in order to reduce operation workman's working strength.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

an assembly tool for automatically fixing a brush holder and a carbon brush comprises a workbench, wherein a fixed block is arranged on the workbench, a butting rod is connected in the fixed block in a sliding manner, a driving piece for driving the butting rod to move is arranged at the end part of one end of the butting rod, and a clamping rod is arranged at one end of the butting rod, which is far away from the driving piece; the clamping device is characterized in that clamping blocks are respectively arranged on two sides of the workbench, which are located on the central axis of the fixed block, clamping plates are connected in the clamping blocks in a sliding mode, and the clamping rods are provided with guide surfaces which are used for abutting against the clamping plates to realize relative movement of the two clamping plates.

Through adopting above-mentioned technical scheme, driving piece automatic drive meets the pole and moves and drive the supporting rod and do the opposite movement with two grip blocks under the effect of spigot surface towards the direction of keeping away from the driving piece to can bend the stationary blade on the brush holder that the grip block edge offseted, and laminate mutually with the conducting strip, thereby realized that the machine is automatic to bend the brush holder, thereby reduced the artifical working strength of bending, improved operation workman's work efficiency.

The utility model discloses further set up to: the clamping plate is attached to one side of the clamping rod and is provided with a butt arc surface, and the clamping plate is attached to one side of the carbon brush holder and is provided with a pressing inclined surface.

By adopting the technical scheme, the contact area between the clamping plate and the clamping rod is increased due to the arrangement of the abutting inclined surface, so that the clamping plate can slide on the clamping rod more smoothly, and the clamping plate can be abutted conveniently; and the setting of pressing the inclined plane is convenient for carry out the butt to the stationary blade of being convenient for is bent.

The utility model discloses further set up to: the workstation is located the grip block and keeps away from one side of fixed block and is provided with the fixing base, the constant head tank that is used for placing the carbon brush frame is seted up to the fixing base, the one end that the fixed block was kept away from to the constant head tank is provided with the location arch that is used for joint carbon brush frame.

Through adopting above-mentioned technical scheme, the constant head tank on the fixing base is convenient for place the carbon brush frame to it carries out the joint to the carbon brush frame to provide the location arch, thereby can fix the carbon brush frame with adaptation ground, thereby has effectively injectd the removal of carbon brush frame.

The utility model discloses further set up to: and one end of the positioning groove, which is close to the clamping plate, is provided with a positioning hole.

Through adopting above-mentioned technical scheme, the setting of locating hole is convenient for place the fixed reed on the carbon brush frame to thereby can be inconsistent with the grip block with the stationary blade accurate positioning of brush holder both sides, thereby be more convenient for pinpoint the carbon brush frame.

The utility model discloses further set up to: and a return spring for returning the clamping plates is arranged between the two clamping plates.

Through adopting above-mentioned technical scheme, reset spring's setting is convenient for provide an elastic force after the completion of bending for two grip blocks move dorsad, under the effect of butt cambered surface, the grip block can return the supporting rod, thereby makes the butt joint pole reset, and the later stage of being convenient for is bent once more.

The utility model discloses further set up to: one side of the workbench, which is positioned on the clamping rods, is provided with a feed opening, and the feed opening is provided with a guide inclined plane.

Through adopting above-mentioned technical scheme, the setting on feed opening and guide inclined plane is convenient for carry out the guide to the carbon brush frame after bending to be convenient for collect effectively the carbon brush frame after bending.

The utility model discloses further set up to: and a collecting box for collecting the carbon brush holders is arranged at one end of the material guide inclined plane.

Through adopting above-mentioned technical scheme, the guide on the guide inclined plane and roll down to collecting in the box under the action of gravity and collect at the guide inclined plane of carbon brush holder on the guide inclined plane to accomodate the carbon brush holder after bending well, need not operating personnel and collect again after whole processing again.

The utility model discloses further set up to: the driving piece is an air cylinder.

Through adopting above-mentioned technical scheme, the cylinder can only provide power and can't maintain, therefore use the cylinder as the driving piece to make the pole that connects can reset under reset spring's elastic force and unlikely auto-lock and be blocked.

To sum up, the beneficial effects of the utility model are that:

1. the technology that the workbench, the fixed block, the abutting rod, the air cylinder, the clamping rod, the clamping block, the clamping plate and the guide surface are matched is adopted, so that the effect of automatically bending the fixed plate to reduce the working strength of an operator is achieved;

2. the technology that the fixed seat, the positioning groove, the positioning bulge and the positioning hole are matched is adopted, so that the effect of conveniently positioning and supporting the carbon brush holder is achieved;

3. the technology that the feed opening, the guide inclined plane and the collecting box are matched is adopted, so that the effect that the carbon brush holder after being bent is conveniently and reasonably collected is achieved.

Drawings

Fig. 1 is a schematic overall structure diagram of an assembly tool for automatically fixing a brush holder and a carbon brush in an embodiment;

FIG. 2 is a schematic view showing a structure at a clamping plate in the embodiment;

FIG. 3 is a schematic diagram showing a structure of a carbon brush holder in the prior art.

In the figure: 1. a work table; 11. a fixed block; 12. a drive member; 13. a clamping block; 14. a placement groove; 2. a butting rod; 20. a support bar; 21. a clamping rod; 211. a guide surface; 3. a clamping plate; 31. abutting against the arc surface; 32. pressing the inclined plane; 33. a return spring; 330. embedding holes; 4. a feeding port; 41. a material guiding inclined plane; 42. a collection box; 5. a fixed seat; 51. positioning a groove; 511. positioning the projection; 512. positioning holes; 6. a carbon brush holder; 61. a carbon brush; 62. a brush holder; 621. a fixing sheet; 622. fixing the reed; 63. a conductive sheet; 631. and (4) inserting the jack.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

the utility model provides an automatic carry out assembly fixture fixed to brush holder and carbon brush, refer to fig. 1, it includes workstation 1, integrated into one piece has fixed block 11 on the workstation 1, 11 intermediate positions of fixed block slide along 1 length direction of workstation and be connected with butt-joint pole 2, 2 one end tip of butt-joint pole are provided with the driving piece 12 that drive butt-joint pole 2 removed, driving piece 12 is the cylinder, driving piece 12 is fixed on workstation 1 in order to be used for driving butt-joint pole 2 and slide in fixed block 11.

Referring to fig. 1, a support rod 20 is integrally formed at one end of the abutting rod 2 away from the driving member 12, and the middle of the support rod 20 is fixed at the end of the abutting rod 2. The supporting rod 20 has two ends integrally formed with a clamping rod 21, and the clamping rod 21 is a square alloy rod. The two sides of the workbench 1, which are positioned on the central axis of the fixed block 11, are respectively integrally formed with a clamping block 13, the middle position of the clamping block 13 is connected with a clamping plate 3 in a sliding manner along the thickness direction, and the cross section of the clamping plate 3 along the vertical direction is square.

Referring to fig. 1, the clamping bar 21 is disposed obliquely with respect to the supporting bar 20 at an angle of 30 ° to 60 °, and the preferred embodiment is that the clamping bar 21 is disposed obliquely with respect to the supporting bar 20 at 45 ° to form a guide surface 211 for abutting against the clamping plate 3 and moving the two clamping plates 3 relative to each other, and an end wall of the clamping plate 3 away from the clamping block 13 abuts against a side wall of the clamping bar 21.

Referring to fig. 1, the driving member 12 drives the butt rod 2 to move towards the direction away from the cylinder, the butt rod 2 drives the clamping rods 21 to move, and the clamping plates 3 are placed between the two clamping rods 21, so that the clamping rods 21 butt the two clamping plates 3 towards the opposite direction under the action of the guide surface 211, and the fixing pieces 621 on the two sides of the carbon brush holder 6 between the two clamping plates 3 are bent.

Referring to fig. 1 and 2, the clamping plate 3 is integrally formed with an abutting arc surface 31 attached to one side of the clamping rod 21, and the abutting arc surface 31 is a quarter arc, so that friction between the clamping plate 3 and the clamping rod 21 is reduced. The clamping plate 3 is attached to one side of the carbon brush holder 6 and is integrally formed with a pressing inclined surface 32, and the included angle of the pressing inclined surface 32 is 45 degrees, so that the fixing piece 621 of the carbon brush holder 6 can be bent conveniently.

Referring to fig. 2, the opposite surfaces of the two clamping plates 3 are provided with embedding holes 330 for the insertion of the return springs 33, the return springs 33 for returning the clamping plates 3 are fixedly bonded in the embedding holes 330, the embedding holes 330 are circular blind holes, and the return springs 33 are fixedly bonded on the bottom walls of the embedding holes 330, so that the return springs 33 push the clamping plates 3 to return, and the return of the abutting rods 2 is realized.

Referring to fig. 2, a fixed seat 5 is integrally formed on one side of the workbench 1, which is located at the clamping block 13 and away from the fixed block 11, the fixed seat 5 is provided with a positioning groove 51 for placing the carbon brush holder 6, the positioning groove 51 is a through groove running through along the length direction of the fixed seat 5, and guide slopes integrally formed on the side walls at the two sides of the top of the positioning groove 51 facilitate the insertion of the carbon brush holder 6 into the positioning groove 51; the end of the positioning groove 51 away from the fixing block 11 is integrally formed with a positioning protrusion 511 protruding toward the center line of the through groove shaft, thereby facilitating positioning of the carbon brush holder 6.

Referring to fig. 2, a positioning hole 512 is formed at one end of the positioning groove 51 close to the clamping plate 3; the positioning hole 512 is a square blind hole, and the width of the positioning hole is the same as that of the fixing spring 622 of the carbon brush holder 6, so that the position of the carbon brush holder 6 is accurately defined.

Referring to fig. 1, a feed opening 4 is formed in one side of the workbench 1, which is located on the clamping rod 21, and the feed opening 4 is a square blind hole. The feed opening 4 is provided with a guide inclined surface 41, and the guide inclined surface 41 inclines from one end to the other end. Guide inclined plane 41 one end is provided with the collection box 42 that is used for collecting carbon brush frame 6, collects the box 42 and places in the lower one end of guide inclined plane 41, and workstation 1 bottom is offered the standing groove 14 that is used for placing collection box 42 to be convenient for slide the carbon brush frame 6 of installing on the workstation 1 to collect in collecting the box 42 from guide inclined plane 41.

The working principle is as follows:

after the pre-assembled brush holder 62 is placed in the positioning slot 51, the fixing spring 622 on the outer side wall of the brush holder 62 is inserted into the positioning hole 512, and the end wall of the brush holder 62 abuts against the positioning protrusion 511, so that the carbon brush holder 6 is placed in the fixing base 5 in a fitting manner, and the fixing pieces 621 on both sides of the brush holder 62 abut against the holding plate 3.

Then, the driving member 12 is activated, the driving member 12 abuts against the abutting rod 2 and moves towards a direction away from the driving member 12, and the abutting rod 2 drives the clamping rod 21 to move. Because the grip block 3 is placed between the clamping rod 21, thereby two grip blocks 3 move in opposite directions under the effect of the guide surface 211 and butt the fixed sheet 621, so that the fixed sheet 621 bends, thereby fixing the brush holder 62 on the conductive sheet 63, realizing the automatic bending of the conductive sheet 63 and the brush holder 62, and reducing the working strength of operators. And because the cylinder can only provide power and can not keep, consequently grip block 3 resets under the elastic force of reset spring 33, and the pole 2 that butts resets this moment, is convenient for assemble carbon brush frame 6 next time.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an automatic carry out assembly fixture fixed to brush holder and carbon brush which characterized in that: the clamping device comprises a workbench (1), wherein a fixed block (11) is arranged on the workbench (1), a butting rod (2) is connected in the fixed block (11) in a sliding manner, a driving piece (12) for driving the butting rod (2) to move is arranged at the end part of one end of the butting rod (2), and a clamping rod (21) is arranged at one end, far away from the driving piece (12), of the butting rod (2); the utility model discloses a clamping device, including workstation (1), clamping block (13), grip block (13), supporting rod (21) are provided with and are used for butt grip block (3) in order to realize two grip block (3) relative motion's spigot surface (211).

2. The automatic assembly fixture who fixes brush holder and carbon brush according to claim 1 characterized in that: the clamping plate (3) is attached to one side of the clamping rod (21) and is provided with a butt cambered surface (31), and the clamping plate (3) is attached to one side of the carbon brush holder (6) and is provided with a butt inclined surface (32).

3. The automatic assembly fixture who fixes brush holder and carbon brush according to claim 1 characterized in that: one side that workstation (1) is located grip block (13) and keeps away from fixed block (11) is provided with fixing base (5), constant head tank (51) that are used for placing carbon brush frame (6) are offered in fixing base (5), the one end that fixed block (11) were kept away from in constant head tank (51) is provided with the location arch (511) that are used for joint carbon brush frame (6).

4. The automatic assembly fixture who fixes brush holder and carbon brush according to claim 3, characterized in that: one end of the positioning groove (51) close to the clamping plate (3) is provided with a positioning hole (512).

5. The automatic assembly fixture who fixes brush holder and carbon brush according to claim 1 characterized in that: and a return spring (33) for returning the clamping plates (3) is arranged between the two clamping plates (3).

6. The automatic assembly fixture who fixes brush holder and carbon brush according to claim 1 characterized in that: one side of the workbench (1) located at the clamping rods (21) is provided with a feed opening (4), and the feed opening (4) is provided with a guide inclined plane (41).

7. The automatic assembly fixture who fixes brush holder and carbon brush according to claim 6, characterized in that: one end of the material guide inclined plane (41) is provided with a collecting box (42) used for collecting the carbon brush holder (6).

8. The automatic assembly fixture who fixes brush holder and carbon brush according to claim 1 characterized in that: the driving piece (12) is a cylinder.