Movable stamping die for installing electric brush

Abstract

The utility model relates to the technical field of motor production, in particular to a movable stamping die for installing an electric brush. Comprising a machining table, an assembling mechanism is arranged on the upper surface of the machining table, a displacement mechanism is arranged on the outer side of the assembling mechanism, a stamping assembly is arranged above the assembling mechanism, the assembling mechanism comprises a motor end cover, a plurality of carbon brushes are arranged on the bottom face in the motor end cover in an annular array mode, and backing rings are fixedly arranged on the two sides of each carbon brush; the inner wall of the backing ring is slidably connected with a metal column. According to the utility model, after the plurality of carbon brushes are placed on the inner bottom surface of the motor end cover and the backing rings on the two sides of the carbon brushes are respectively sleeved on the outer sides of the two metal columns, the stamping assembly drives the upper die and the plurality of cutting knives to vertically move downwards, and the plurality of cutting knives respectively cut the plurality of metal columns into two sections; the metal column which is divided into two sections is opened by the cutter to the position abutting against the upper surface of the backing ring, a plurality of carbon brushes are installed and fixed in the motor end cover, and the installation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor production technical field, concretely relates to a mobile stamping die for installing brush. BACKGROUND

[0002] Motor refers to the electromagnetic device that realizes electric energy conversion or transmission according to electromagnetic induction law, and end cover is a cover body installed in the shell of motor etc. Brush is generally needed to be installed on end cover, and brush is responsible for conducting current between rotating part and stationary part, and is an important component element of motor.

[0003] When installing brush, staff needs to install brush into end cover and fix, and needs to continuously apply force to brush with fingers in the whole process, and the operation burden of staff's hand is larger, in view of this, the utility model provides a mobile stamping die for installing brush. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a mobile stamping die for installing brush to solve the problems in the above background.

[0005] To achieve the above object, one of the purposes of the utility model is to provide a mobile stamping die for installing brush, which comprises a machining table, a mounting mechanism is arranged on the upper surface of the machining table, a displacement mechanism is arranged outside the mounting mechanism, a stamping assembly is arranged above the mounting mechanism, the mounting mechanism comprises a motor end cover, a plurality of carbon brushes are arranged in the annular array of the bottom surface in the motor end cover, a spacer ring is fixedly arranged on the both sides of the carbon brush, a metal column is slidably connected to the inner wall of the spacer ring, and the lower end of the metal column is fixedly arranged with the bottom surface in the motor end cover, an upper die is fixedly arranged at the position below the motor end cover, a plurality of cutters are fixedly arranged at the bottom of the upper die, a transfer jig is movably connected to the bottom of the motor end cover, and a lower die is movably connected to the bottom of the transfer jig, and the displacement mechanism drives the lower die to move horizontally during the installation of the carbon brush in the motor end cover.

[0006] As a further improvement of the technical scheme, the displacement mechanism comprises four vertical rods fixedly arranged on the upper surface of the machining table, support rods are slidably connected to the side walls of the left and right two vertical rods, connecting frames are fixedly arranged at one end of the two support rods, and the connecting frames are fixedly arranged with the side walls of the lower die.

[0007] As a further improvement of the technical scheme, the displacement mechanism further comprises a side plate fixedly arranged on the upper surface of the machining table, a cross hinge frame is hingedly connected between the side wall of the side plate and the side wall of the lower die, a slide rod is fixedly arranged at the end of the cross hinge frame close to the lower die, a guide frame is slidably sleeved on the circumferential outer wall of the slide rod, and the guide frame is fixedly arranged with the side wall of the lower die.

[0008] As a further improvement of the technical solution, the displacement mechanism further comprises a rotating block rotationally connected to the cross-shaped bracket away from the lower die, and an electric telescopic rod is fixed to the side wall of the side plate, and the movable rod of the electric telescopic rod is fixed to the rotating block.

[0009] As a further improvement of the technical solution, the several cutters are respectively located above the several metal columns, and in the process that the stamping assembly drives the upper die and the several cutters to move vertically downward, the several cutters cut the several metal columns into two halves respectively, and the metal columns cut into two halves are further expanded to the sides by the cutters until the upper ends of the two halves of the metal columns abut against the upper surface of the gasket ring, thereby limiting the gasket ring from moving out of the metal column from the outside.

[0010] As a further improvement of the technical solution, the bottom of the motor end cover is fixed with a protruding part, the side wall of the motor end cover is provided with a positioning hole, the upper surface of the transfer jig is provided with a recessed part, the protruding part abuts against the inner wall of the recessed part, the upper surface of the transfer jig is fixed with a positioning rod, the outer wall of the positioning rod abuts against the inner wall of the positioning hole, so as to limit the horizontal movement of the motor end cover on the upper surface of the transfer jig, the side wall of the transfer jig is provided with two clamping holes, the top of the lower die is fixed with two clamping columns, and the outer walls of the two clamping columns respectively abut against the inner walls of the two clamping holes, so as to limit the horizontal movement of the transfer jig on the upper surface of the lower die.

[0011] As a further improvement of the technical solution, the stamping assembly comprises a pressing plate driven to lift by a hydraulic cylinder, the pressing plate is slidably sleeved on the outer circumferential wall of the four vertical rods, and the upper die is fixed to the lower surface of the pressing plate.

[0012] Compared with the prior art, the mobile stamping die for installing brushes has the following beneficial effects:

[0013] 1. The mobile stamping die for installing brushes is used for placing the several carbon brushes on the inner bottom surface of the motor end cover, and the gasket rings on the two sides of the carbon brushes are sleeved on the outer sides of the two metal columns, and then the stamping assembly drives the upper die and the several cutters to move vertically downward, the several cutters cut the several metal columns into two halves, and the metal columns cut into two halves are further expanded by the cutters to the position abutting against the upper surface of the gasket ring, so as to install and fix the several carbon brushes in the motor end cover, thereby improving the installation efficiency.

[0014] 2. The mobile stamping die for installing brushes is used for installing and fixing the carbon brushes in the motor end cover, and then the displacement mechanism drives the lower die, the transfer jig and the motor end cover to move horizontally to the outside of the machining table, so as to facilitate the replacement of the motor end cover in the transfer jig, and after the replacement of the motor end cover, the motor end cover can also be quickly moved to the position directly below the upper die by the displacement mechanism, thereby reducing the physical consumption of workers when installing the carbon brushes, and further improving the efficiency when installing the carbon brushes in the several motor end covers in sequence. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1The overall structure schematic diagram of the utility model is shown in the figure.

[0016] Figure 2 The structure schematic diagram of the assembly mechanism of the utility model is shown in the figure.

[0017] Figure 3 The distribution schematic diagram of the utility model's cutter on the upper die bottom is shown in the figure. Figure 2 The structure enlarged view of A in the figure.

[0018] Figure 4 The distribution schematic diagram of the utility model's cutter on the upper die bottom is shown in the figure.

[0019] Figure 5 The structure schematic diagram of the displacement mechanism of the utility model is shown in the figure.

[0020] Figure 6 The installation structure schematic diagram of the upper die on the stamping assembly bottom of the utility model is shown in the figure.

[0021] The meaning of each mark in the figure is as follows:

[0022] 1, assembly mechanism; 11, motor end cover; 12, carbon brush; 13, gasket ring; 14, metal column; 15, upper die; 16, cutter; 17, transfer fixture; 18, lower die;

[0023] 2, displacement mechanism; 21, vertical rod; 22, support rod; 23, connecting frame; 24, side plate; 25, cross bracket; 26, sliding rod; 27, guide frame; 28, rotating block; 29, electric telescopic rod;

[0024] 3, stamping assembly. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Embodiment 1

[0027] Please refer to Figures 1-6As shown, the embodiment provides a mobile stamping die for installing brush, including a processing table, the upper surface of the processing table is provided with an assembly mechanism 1, the outer side of the assembly mechanism 1 is provided with a displacement mechanism 2, the upper side of the assembly mechanism 1 is provided with a stamping assembly 3, the assembly mechanism 1 includes a motor end cover 11, the inner bottom surface of the motor end cover 11 is provided with a plurality of carbon brushes 12 in annular array, the two sides of the carbon brush 12 are fixedly provided with a spacer ring 13, the inner wall of the spacer ring 13 is slidably connected with a metal column 14, and the lower end of the metal column 14 is fixedly arranged with the inner bottom surface of the motor end cover 11, the bottom of the stamping assembly 3 is fixedly arranged with an upper die 15 below the motor end cover 11, the bottom of the upper die 15 is fixedly arranged with a plurality of cutters 16, and the plurality of cutters 16 are respectively arranged above the plurality of metal columns 14, in the process of vertically moving downward of the stamping assembly 3, the plurality of cutters 16 respectively cut the plurality of metal columns 14 into two parts, the metal column 14 separated into two parts is further expanded to the two sides by the cutter 16, until the upper end of the two metal columns 14 abuts against the upper surface of the spacer ring 13, the spacer ring 13 is limited to move out from the outer side of the metal column 14, and then the plurality of carbon brushes 12 are installed and fixed in the inner part of the motor end cover 11, the bottom of the motor end cover 11 is movably connected with a transfer jig 17, the bottom of the transfer jig 17 is movably connected with a lower die 18, and the lower die 18 is slidably connected with the upper surface of the processing table, after the plurality of carbon brushes 12 are installed and fixed in the inner part of the motor end cover 11, the lower die 18, the transfer jig 17 and the motor end cover 11 are horizontally moved to the outside of the processing table by the displacement mechanism 2, so as to facilitate replacement of the motor end cover 11 in the transfer jig 17, and after replacement of the motor end cover 11, the motor end cover 11 can also be quickly moved below the upper die 15 by the displacement mechanism 2, thereby improving the efficiency of installing the carbon brush 12 in the plurality of motor end covers 11 in sequence.

[0028] In order to enable the displacement mechanism 2 to stably drive the lower die 18, the transfer jig 17 and the motor end cover 11 to move to the outside of the processing table, and to prevent the displacement mechanism 2 from increasing the occupied space of the device, the displacement mechanism 2 is refined, the displacement mechanism 2 includes four vertical rods 21 fixedly arranged on the upper surface of the processing table, the side walls of the left and right two vertical rods 21 are slidably connected with support rods 22, one end of the two support rods 22 is fixedly arranged with a connecting frame 23, and the connecting frame 23 is fixedly arranged with the side wall of the lower die 18, the displacement mechanism 2 further includes a side plate 24 fixedly arranged on the upper surface of the processing table, a cross hinge frame 25 is hinged between the side wall of the side plate 24 and the side wall of the lower die 18, one end of the cross hinge frame 25 close to the lower die 18 is fixedly arranged with a sliding rod 26, the circumferential outer wall of the sliding rod 26 is slidably sleeved with a guide frame 27, and the guide frame 27 is fixedly arranged with the side wall of the lower die 18, the displacement mechanism 2 further includes a rotating block 28 rotatably connected with the end of the cross hinge frame 25 away from the lower die 18, the side wall of the side plate 24 is fixedly arranged with an electric telescopic rod 29, and one end of the movable rod of the electric telescopic rod 29 is fixedly arranged with the rotating block 28.

[0029] The movable rod of the electric telescopic rod 29 is retracted to drive the rotating block 28 to move horizontally, the cross-shaped bracket 25 is elongated, the slide rod 26 slides along the inner wall of the guide frame 27, so that the cross-shaped bracket 25 drives the lower mold 18, the transfer jig 17 and the motor end cover 11 to move horizontally away from the side plate 24. During the horizontal movement of the lower mold 18, the lower mold 18 drives the two supporting rods 22 to move horizontally synchronously through the two connecting frames 23 respectively. After the lower mold 18 moves to the outside of the processing table, the supporting rod 22 cooperates with the vertical rod 21 to support the lower mold 18, improves the stability of the lower mold 18 when it is outside the processing table, facilitates the replacement of the motor end cover 11 on the lower mold 18, and reversely moves the rotating block 28 by elongating the movable rod of the electric telescopic rod 29, that is, the lower mold 18 can be moved to the lower side of the upper mold 15 again.

[0030] The stamping assembly 3 includes a pressing plate driven to lift by a hydraulic cylinder, and the upper mold 15 is fixedly arranged on the lower surface of the pressing plate. The pressing plate and the upper mold 15 are vertically moved by the extension and retraction of the piston rod of the hydraulic cylinder. The pressing plate is slidably sleeved on the circumferential outer wall of the four vertical rods 21, thereby improving the stability of the pressing plate and the upper mold 15 during vertical movement.

[0031] In the process of installing the carbon brush 12 into the motor end cover 11, in order to improve the stability of the motor end cover 11 and ensure that the plurality of cutters 16 can accurately cut the plurality of metal columns 14 into two parts, the motor end cover 11 is fixedly provided with a protruding portion at the bottom, the side wall of the motor end cover 11 is provided with a positioning hole, the upper surface of the transfer jig 17 is provided with a recessed portion, and the protruding portion and the inner wall of the recessed portion are in abutment. The positioning rod is fixedly arranged on the upper surface of the transfer jig 17, and the outer wall of the positioning rod is in abutment with the inner wall of the positioning hole to limit the horizontal movement of the motor end cover 11 on the upper surface of the transfer jig 17. The side wall of the transfer jig 17 is provided with two clamping holes, and the top of the lower mold 18 is fixedly provided with two clamping columns, and the outer walls of the two clamping columns are in abutment with the inner walls of the two clamping holes respectively to limit the horizontal movement of the transfer jig 17 on the upper surface of the lower mold 18.

[0032] In summary, the working principle of the present scheme is as follows: the motor end cover 11 is clamped and fixed on the top of the transfer jig 17, a plurality of carbon brushes 12 are placed in the inner bottom surface of the motor end cover 11 in turn, and the grommet 13 on both sides of the carbon brush 12 is respectively sleeved on the outer side of the two metal columns 14, then the transfer jig 17 is clamped and fixed on the top of the lower mold 18, and then the displacement mechanism 2 moves the lower mold 18 to the lower side of the upper mold 15, and then the stamping assembly 3 drives the upper mold 15 and a plurality of cutters 16 to move vertically downward, in the process of vertically moving downward, the plurality of cutters 16 cut the plurality of metal columns 14 into two halves, and the two halves of the metal column 14 are expanded to the two sides by the cutter 16, until the upper end of the two halves of the metal column 14 abuts against the upper surface of the grommet 13, and then the plurality of carbon brushes 12 are installed and fixed in the inside of the motor end cover 11, after the plurality of carbon brushes 12 are installed and fixed in the inside of the motor end cover 11, the displacement mechanism 2 drives the lower mold 18, the transfer jig 17 and the motor end cover 11 to move horizontally to the outside of the processing table, so as to replace the motor end cover 11 in the transfer jig 17, after replacing the motor end cover 11, the above steps are repeated, and then the carbon brushes 12 are installed in the plurality of motor end covers 11 in turn.

[0033] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application and do not limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A movable stamping die for mounting brushes, comprising a processing table, wherein an assembly mechanism (1) is provided on the upper surface of the processing table, a displacement mechanism (2) is provided on the outer side of the assembly mechanism (1), and a stamping assembly (3) is provided above the assembly mechanism (1), characterized in that: The assembly mechanism (1) includes a motor end cover (11). The bottom surface of the motor end cover (11) is provided with a number of carbon brushes (12) arranged in an annular array. Both sides of the carbon brushes (12) are fixed with washers (13). The inner wall of the washers (13) is slidably connected with metal columns (14), and the lower end of the metal columns (14) is fixed to the bottom surface of the motor end cover (11). The bottom of the stamping assembly (3) is fixed with an upper mold (15) located directly below the motor end cover (11). The bottom of the upper mold (15) is fixed with a number of cutting blades (16). The bottom of the motor end cover (11) is movably engaged with a transfer fixture (17). The bottom of the transfer fixture (17) is movably engaged with a lower mold (18), and the lower mold (18) is slidably connected to the upper surface of the processing table. During the installation of carbon brushes (12) inside the motor end cover (11), the displacement mechanism (2) drives the lower mold (18) to move horizontally.

2. The movable stamping die for mounting brushes according to claim 1, characterized in that: The displacement mechanism (2) includes four uprights (21) fixed on the upper surface of the processing table. The left and right uprights (21) are slidably connected to the side walls of the two uprights (21). One end of each of the two support rods (22) is fixed with a connecting frame (23), and the connecting frame (23) is fixed to the side wall of the lower mold (18).

3. The movable stamping die for mounting brushes according to claim 1, characterized in that: The displacement mechanism (2) further includes a side plate (24) fixed on the upper surface of the processing table. A cross hinge (25) is hinged between the side wall of the side plate (24) and the side wall of the lower mold (18). A slide rod (26) is fixed at one end of the cross hinge (25) near the lower mold (18). A guide frame (27) is slidably sleeved on the outer circumference of the slide rod (26), and the guide frame (27) is fixed to the side wall of the lower mold (18).

4. The movable stamping die for mounting brushes according to claim 3, characterized in that: The displacement mechanism (2) further includes a rotating block (28) rotatably connected to the end of the cross hinge (25) away from the lower mold (18). The side wall of the side plate (24) is fixedly provided with an electric telescopic rod (29), and one end of the movable rod of the electric telescopic rod (29) is fixedly connected to the rotating block (28).

5. The movable stamping die for mounting brushes according to claim 1, characterized in that: Several cutting blades (16) are located directly above several metal pillars (14). As the stamping assembly (3) drives the upper mold (15) and several cutting blades (16) to move vertically downward, several cutting blades (16) cut several metal pillars (14) into two halves. The two halves of the metal pillars (14) are then spread apart by the cutting blades (16) until the upper ends of the two halves of the metal pillars (14) abut against the upper surface of the pad ring (13), restricting the pad ring (13) from moving out of the outside of the metal pillars (14).

6. The movable stamping die for mounting brushes according to claim 1, characterized in that: The motor end cover (11) has a protrusion fixed at the bottom and a positioning hole on the side wall of the motor end cover (11). The transfer fixture (17) has a recess on its upper surface, and the protrusion abuts against the inner wall of the recess. The transfer fixture (17) has a positioning rod fixed on its upper surface, and the outer wall of the positioning rod abuts against the inner wall of the positioning hole to restrict the horizontal movement of the motor end cover (11) on the upper surface of the transfer fixture (17). The transfer fixture (17) has two locking holes on its side wall. The lower mold (18) has two locking pins fixed on its top, and the outer walls of the two locking pins abut against the inner walls of the two locking holes to restrict the horizontal movement of the transfer fixture (17) on the upper surface of the lower mold (18).

7. The movable stamping die for mounting brushes according to claim 1, characterized in that: The stamping assembly (3) includes a pressure plate that is lifted and lowered by a hydraulic cylinder. The pressure plate is slidably sleeved on the outer circumference of the four uprights (21). The upper mold (15) is fixed on the lower surface of the pressure plate.

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