Numerical control assembling table for electric vehicle drum brake production

Abstract

The utility model relates to the technical field of electric vehicle drum brake production, in particular to an electric vehicle drum brake production numerical control assembling table which comprises a circular base and a pinion, a stand column is rotationally connected to the interior of the circular base through a bearing, and a bearing table is arranged at the top end, located at the top of the circular base, of the stand column. The bearing table comprises a ceramic shell, iron rods, electromagnetic coils and an iron plate, the iron plate is fixed to the top in the ceramic shell through bolts, the bottom end, located in the ceramic shell, of the iron plate is connected with the iron rods at equal intervals through threaded grooves, and the outer sides of the iron rods are sleeved with the electromagnetic coils; material pushing assemblies are arranged on the two sides of the circular base and comprise structural frames fixed to the two sides of the circular base through bolts. After the electromagnetic coil is powered on, the iron rod generates magnetism and transmits the magnetism to the iron plate, the drum brake shell can be attracted, operation is easy, and the drum brake shell with different sizes can be fixed.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric motor car drum brake production technical field, concretely relates to a kind of electric motor car drum brake production numerical control assembling platform. BACKGROUND

[0002] Drum brake is a common brake system, used in bicycles and electric bicycles. Its working principle is to rub the wheel through a rubber drum, thereby reducing or stopping the vehicle, and the advantages of drum brake are large braking force, simple structure and low cost. On electric bicycles, drum brakes are usually installed on the rear wheel, responsible for reducing or stopping the vehicle.

[0003] In the production process of electric motor car drum brake, assembling will be carried out on numerical control assembling platform, but the existing electric motor car drum brake production numerical control assembling platform will install cylinder or screw rod to fix the drum brake shell, which is complicated to operate and not easy to fix drum brake shells of different sizes. Therefore, an electric motor car drum brake production numerical control assembling platform is proposed, which can attract and fix the drum brake shell on the iron plate after the iron rod generates magnetism and conducts to the iron plate after the electromagnetic coil is energized, and the operation is simple. SUMMARY

[0004] To solve the problems in the prior art, the utility model provides an electric motor car drum brake production numerical control assembling platform, which can attract and fix the drum brake shell on the iron plate after the iron rod generates magnetism and conducts to the iron plate after the electromagnetic coil is energized, and the operation is simple.

[0005] The utility model solves the technical scheme that a kind of electric motor car drum brake production numerical control assembling platform, including circular base and pinion, the circular base is rotatably connected with stand inside by bearing, the top of the stand is provided with bearing platform at the top of the circular base, the bearing platform includes ceramic shell, iron rod, electromagnetic coil and iron plate, the iron plate is fixed in the top of ceramic shell by bolt, the bottom of the iron plate is equidistantly connected with iron rod by thread groove in the inside of ceramic shell, the outer side of iron rod is equipped with electromagnetic coil;

[0006] The two sides of the circular base are provided with pushing assembly, the pushing assembly includes structure frame fixed on the two sides of the circular base by bolt, the second servo motor is installed on the end away from the circular base of the structure frame by mounting bracket, the inside of the structure frame is rotatably connected with lead screw by bearing, the inner thread slide block is equipped with the outer side of lead screw, the top of the inner thread slide block is fixed with connecting rod by bolt.

[0007] By adopting the above technical scheme, the drum brake shell can be attracted and fixed on the iron plate after the iron rod generates magnetism and conducts to the iron plate after the electromagnetic coil is energized, the second servo motor drives the lead screw to rotate, pushes the inner thread slide block and connecting rod to move, so as to push the drum brake shoe, spring and other accessories to move.

[0008] Specific, the second servo motor side output shaft is fixedly connected with the screw rod one end through the connecting sleeve, the structure frame is internally fixed with the auxiliary rod through the bolt at the bottom of the screw rod, the auxiliary rod penetrates the internal thread sliding block.

[0009] Specific, the circular base is internally fixed with the support plate through the bolt at the top of the bearing table side, the support plate is internally fixed with the cylinder through the mounting bracket at the top, the output shaft of the cylinder is fixedly connected with the pressing plate through the bolt at the bottom of the support plate.

[0010] Specific, the circular base is internally fixed with the first servo motor through the mounting bracket at the side of the column, the output shaft of the first servo motor is fixedly connected with the pinion through the key at the top.

[0011] Specific, the column is externally fixed with the gear through the key at the outside of the circular base, and the gear and the pinion are engaged.

[0012] Specific, the connecting rod is welded with the clamping block at the bottom one end.

[0013] The utility model discloses a beneficial effect:

[0014] (1) a kind of drum brake production numerical control assembly platform of electric vehicle of the utility model, after iron rod generates magnetism and is conducted to iron plate, can be fixed on the drum brake shell on iron plate adsorption, fixed, open first servo motor drives column rotation by pinion and gear, can drive the drum brake shell fixed, adsorbed on iron plate rotation, it is convenient to adjust its angle.

[0015] (2) a kind of drum brake production numerical control assembly platform of electric vehicle of the utility model, brake shoe piece etc. are placed into drum brake shell and are assembled, clamping block is clamped on brake shoe piece, spring two ends etc. drum brake fittings, open second servo motor drives screw rod rotation, screw rod rotation pushes the internal thread sliding block to move, by connecting rod and clamping block can push or pull brake shoe piece, spring etc. fittings, it is convenient for personnel to assemble in drum brake shell. DRAWINGS

[0016] The utility model is further described below in connection with drawings and embodiment.

[0017] Figure 1 It is whole structure schematic view of the utility model;

[0018] Figure 2 It is circular base internal structure schematic view of the utility model;

[0019] Figure 3 It is bearing table structure schematic view of the utility model;

[0020] Figure 4 The utility model discloses a pushing assembly structure schematic view;

[0021] In the drawing: 1, circular baseplate, 2, bearing table, 201, ceramic shell, 202, iron rod, 203, electromagnetic coil, 204, iron plate, 3, pushing assembly, 301, structure frame, 302, screw rod, 303, second servo motor, 304, internal thread sliding block, 305, connecting rod, 306, clamping block, 307, auxiliary rod, 4, support plate, 5, air cylinder, 6, pressing plate, 7, stand, 8, first servo motor, 9, large gear, 10, small gear. DETAILED DESCRIPTION

[0022] In order to make the technical means, creation features, achieve the purpose and function of the utility model easy to understand, the utility model is further described below in conjunction with specific embodiments.

[0023] The iron rod generates magnetism after the electromagnetic coil is electrified and is conducted to the iron plate, can be attracted, fixed in the iron plate with drum brake shell, simple operation, such as Figures 1-4 The utility model discloses a kind of drum brake production numerical control assembly platform of electric vehicle, including circular baseplate 1 and small gear 10, the circular baseplate 1 inside is rotatably connected with stand 7 by bearing, the top of the stand 7 is provided with bearing table 2 at the top of circular baseplate 1, the bearing table 2 includes ceramic shell 201, iron rod 202, electromagnetic coil 203 and iron plate 204, the iron plate 204 is fixed in the top of ceramic shell 201 by bolt, the iron rod 202 is equidistantly connected with iron plate 204 in the bottom of ceramic shell 201 by thread groove, the iron rod 202 outside is equipped with electromagnetic coil 203;

[0024] The circular baseplate 1 both sides are provided with pushing assembly 3, the pushing assembly 3 includes structure frame 301 by bolt fixed on the both sides of circular baseplate 1, the second servo motor 303 is installed on the end of structure frame 301 away from circular baseplate 1 by mounting bracket, the structure frame 301 is rotatably connected with screw rod 302 by bearing inside, the screw rod 302 outside is equipped with internal thread sliding block 304, the connecting rod 305 is fixed on the top of internal thread sliding block 304 by bolt.

[0025] When using, electromagnetic coil 203 is electrified, and the iron rod 202 generates magnetism and is conducted to the iron plate 204, can be attracted, the second servo motor 303 drives screw rod 302 to rotate, pushes internal thread sliding block 304 and connecting rod 305 to move, so that drum brake shoe, spring and other accessories can be moved.

[0026] Exemplary, as Figure 4As shown, the present invention also includes an output shaft on one side of the second servo motor 303 that is fixedly connected to one end of the lead screw 302 via a connecting sleeve. An auxiliary rod 307 is fixed inside the bottom of the lead screw 302 by bolts in the structural frame 301. The auxiliary rod 307 passes through the internal threaded slider 304.

[0027] In use, the second servo motor 303 is used to drive the lead screw 302 to rotate, and the auxiliary rod 307 is used to limit the internal thread slider 304 to prevent it from rotating with the lead screw 302.

[0028] For example, such as Figure 1 As shown, the present invention also includes a support plate 4 fixed to the top of the circular base 1 on one side of the support platform 2 by bolts, a cylinder 5 mounted on the top of the support plate 4 by a mounting bracket, and a pressure plate 6 fixed to the output shaft of the cylinder 5 at the bottom of the support plate 4 by bolts.

[0029] When in use, the cylinder 5 pushes the pressure plate 6 downward, which can press the parts into the drum brake housing.

[0030] For example, such as Figure 2 As shown, the present invention also includes a first servo motor 8 installed inside the circular base 1 on one side of the column 7 via a mounting bracket, and a small gear 10 is fixedly sleeved on the top output shaft of the first servo motor 8 via a flat key.

[0031] When in use, the first servo motor 8 drives the pinion 10 to rotate.

[0032] For example, such as Figure 2 As shown, the present invention also includes a large gear 9 fixedly mounted on the outside of the circular base 1 by a flat key, wherein the large gear 9 and the small gear 10 mesh with each other.

[0033] In use, the rotation of the small gear 10 drives the rotation of the column 7 through the rotation of the large gear 9.

[0034] For example, such as Figure 4 As shown, the present invention also includes a locking block 306 welded to one end of the bottom of the connecting rod 305.

[0035] When in use, the connecting rod 305 moves and pushes the accessory to move through the locking block 306.

[0036] When using this utility model, personnel use power cords to connect the first servo motor 8, iron plate 204, and second servo motor 303 to control equipment such as industrial control computers, use air pipes to connect the cylinder 5 to external air supply equipment, and place the electric vehicle drum brake housing on the iron plate 204.

[0037] The electromagnetic coil 203 is powered on, the iron rod 202 generates magnetism and is conducted to the iron plate 204, the drum brake shell placed on the iron plate 204 can be adsorbed and fixed, the first servo motor 8 is opened, the drum brake shell fixed and adsorbed on the iron plate 204 is driven to rotate through the pinion 10 and the gear 9, the angle of the drum brake shell is adjusted conveniently;

[0038] The brake shoe and the like are placed into the drum brake shell and assembled, the clamping block 306 is clamped on the brake shoe, the spring and other drum brake accessories, the second servo motor 303 is opened, the lead screw 302 is driven to rotate, the lead screw 302 drives the internal thread sliding block 304 to move, the brake shoe, the spring and other accessories are pushed or pulled through the connecting rod 305 and the clamping block 306, personnel can assemble the brake shoe, the spring and other accessories in the drum brake shell conveniently;

[0039] The cylinder 5 is opened, the pressing plate 6 is pushed to move downwards, some accessories can be pushed downwards, and the accessories can be assembled into the drum brake shell.

[0040] The basic principle, the main features and the advantages of the utility model are shown and described. The technical personnel in the industry should understand that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only used for illustrating the principle of the utility model, various changes and improvements of the utility model can be made without departing from the spirit and the scope of the utility model, and the changes and the improvements all fall into the range of the utility model. The range of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. A numerical control assembling table for producing drum brakes of electric vehicles, characterized in that, The utility model provides a kind of pusher, including circular base (1) and pinion (10), the column (7) is rotatably connected inside the circular base (1) by bearing, the top end of the column (7) is provided with bearing table (2) at the top of circular base (1), the bearing table (2) includes ceramic shell (201), iron rod (202), electromagnetic coil (203) and iron plate (204), the iron plate (204) is fixed with inside top by bolt in the ceramic shell (201), the iron rod (202) is connected with equidistance by screw groove in the bottom of ceramic shell (201) inside, the iron rod (202) is equipped with electromagnetic coil (203) outside sleeve; Pushing assembly (3) is arranged on the both sides of the circular base (1), the pushing assembly (3) includes structure frame (301) by bolted on the both sides of circular base (1), the second servo motor (303) is installed on the end away from the circular base (1) of structure frame (301) by mounting frame, the screw rod (302) is rotatably connected in the structure frame (301), the internal thread slide block (304) is equipped with outside sleeve of screw rod (302), the connecting rod (305) is fixed with on the top of internal thread slide block (304) by bolt.

2. The numerical control assembling table for producing drum brake of electric vehicle according to claim 1, characterized in that, The second servo motor (303) side output shaft is fixedly connected with one end of screw rod (302) by connecting sleeve, the auxiliary rod (307) is fixedly connected in the inside of structure frame (301) located at the bottom of screw rod (302) by bolt, the auxiliary rod (307) penetrates internal thread slide block (304).

3. The drum brake production NC assembling table for electric vehicles according to claim 1, characterized in that, The support plate (4) is fixed on the top of the circular base (1) on the side of bearing table (2) by bolt, the air cylinder (5) is installed on the top of support plate (4) by mounting frame, the pressure plate (6) is fixed on the output shaft of air cylinder (5) at the bottom of support plate (4) by bolt.

4. The drum brake production NC assembling table for electric vehicles according to claim 1, characterized in that, The first servo motor (8) is installed in the inside of circular base (1) on the side of column (7) by mounting frame, the pinion (10) is fixedly equipped with on the top output shaft of first servo motor (8) by flat key.

5. The production NC assembling table for drum brake of electric vehicle according to claim 1, characterized in that, The column (7) is fixedly equipped with large gear (9) on the outside of circular base (1) by flat key, the large gear (9) and pinion (10) are engaged.

6. The drum brake production NC assembling table for electric vehicles according to claim 1, characterized in that, The connecting rod (305) bottom end is welded with clamping block (306).

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