Brake device of rack beating assembly of wire drawing machine

Abstract

The utility model discloses a brake device for a rack and pat assembly of a wire drawing machine, and relates to the technical field of brake device structures for rack and pat assemblies, an eccentric wheel is fixedly arranged on the top wall and the extending end of an arch-shaped rack, and a stand column and a fixing shaft are further fixedly arranged on a platform. A first spring is fixedly arranged on the rear end face of the stand column, a swing arm is rotationally installed on a fixing shaft, the left end of the swing arm is embedded into a groove of the channel steel from right to left, the front end face of the left end of the swing arm abuts against the first spring, and a holding block is fixedly arranged on the rear end face of the right end of the swing arm. A through hole communicated with the groove is formed in the groove bottom of the steel channel, and a second spring is arranged in the through hole in a penetrating mode and abuts against the position between the outer cylindrical face of the eccentric wheel and the rear end face of the left end of the swing arm. The utility model has the benefits that the manufacturing cost is low, and the string drawing quality of the badminton racket is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of a brake device structure used for a racket frame assembly, in particular to a brake device for a racket frame assembly of a wire drawing machine. Background Art

[0002] After the badminton racket is produced, a wire drawing machine is needed to insert and fix the elastic wire used for hitting the badminton in the badminton racket, and make the elastic wire distributed in a grid. The wire drawing machine includes a platform, a wire clamping assembly and a racket support assembly arranged on the platform, wherein the racket support assembly is used to fix the badminton racket to be threaded, and the wire clamping assembly is used to straighten the elastic wire passing through the badminton racket.

[0003] The racket-holding assembly includes a main shaft rotatably mounted on a platform, a turntable fixed on the top of the main shaft, and a fixing assembly for fixing a badminton racket fixed on the top surface of the turntable. The working method of the racket-holding assembly is as follows: a worker first installs the badminton racket on the fixing assembly, and then fixes the badminton racket through the fixing assembly, and then manually rotates the turntable to change the direction of the badminton racket; when the direction is adjusted to the right position, the elastic wire inserted into the badminton racket is pulled through the wire pulling assembly.

[0004] However, although this racket-mounting assembly can be used, it still has the following technical defects:

[0005] When the wire clamp assembly is pulling the wire for the badminton racket, the main shaft is installed on the platform in a rotating state and is not fixed, which causes the main shaft to deflect, thereby causing the badminton racket to deflect, thereby reducing the quality of pulling the wire for the badminton racket. In order to solve this technical problem, workers install a brake device on the platform to hold the main shaft tightly, that is, to brake the main shaft. Although this can solve the above problems, the existing brake device has a complex overall structure and many parts, thereby increasing the manufacturing cost of the entire brake device. In addition, the brake device has insufficient clamping force and cannot firmly lock the main shaft, which also affects the quality of pulling the wire for the badminton racket in the later stage.

[0006] Therefore, there is an urgent need for a brake device with low manufacturing cost and improved badminton racket wire quality. Utility Model Content

[0007] The utility model aims to overcome the shortcomings of the prior art and provide a brake device for a badminton racket wire drawing machine frame rack assembly which has low manufacturing cost and improves the wire drawing quality of the badminton racket.

[0008] The purpose of the utility model is achieved through the following technical scheme: a brake device of a wire drawing machine rack assembly, the rack assembly comprising a main shaft (2) rotatably mounted on a platform (1), a turntable (3) fixedly mounted on the upper end of the main shaft (2), and a fixing assembly (4) arranged on the turntable (3), characterized in that the brake device comprises a brake ring (5) fixedly mounted on the outer cylindrical surface of the main shaft (2), an arch frame (6) fixedly mounted on the platform (1) and located on the left side of the brake ring (5), a channel steel (7) fixedly mounted on the bottom surface of the front end of the arch frame (6), and the groove of the channel steel (7) is arranged forward, a driving unit (8) fixedly mounted on the top surface of the arch frame (6), the output shaft of the driving unit (8) passes through the top wall of the arch frame (6), and an eccentric wheel (9) is fixedly mounted on the extended end;

[0009] The platform (1) is also fixedly provided with a column (10) and a fixed shaft (11), the column (10) is located at the front side of the channel steel (7), a first spring (12) is fixedly provided on the rear end surface of the column (10), the fixed shaft (11) is located at the right side of the column (10), a swing arm (13) is rotatably mounted on the fixed shaft (11), the left end of the swing arm (13) is embedded in the groove of the channel steel (7) from right to left, and the front end surface of the left end of the swing arm (13) abuts against the first spring (12), and a clamping block (14) is fixedly provided on the rear end surface of the right end of the swing arm (13), and the clamping block (14) and the brake ring (5) are arranged opposite to each other in front and back;

[0010] A through hole (15) communicating with the groove is formed at the bottom of the channel steel (7), and a second spring (16) is inserted into the through hole (15). The second spring (16) is pressed between the outer cylindrical surface of the eccentric wheel (9) and the rear end surface of the left end of the swing arm (13).

[0011] The brake ring (5) is coaxially arranged with the main shaft (2).

[0012] Mounting plates are fixedly provided on both sides of the lower end of the column (10), and the mounting plates are detachably connected to the platform (1) via screws.

[0013] The first spring (12) and the second spring (16) are both arranged longitudinally.

[0014] A pin hole is provided in the middle of the swing arm (13), and the swing arm (13) is hinged to the fixed shaft (11) via the pin hole.

[0015] The driving unit (8) comprises a reducer (17) fixedly mounted on the top wall of the arch frame (6), and a motor (18) connected to an input shaft of the reducer (17); an output shaft of the reducer (17) is arranged to pass through the arch frame (6) downward, and the eccentric wheel (9) is fixedly mounted on the output shaft of the reducer (17).

[0016] It also includes a controller, which is electrically connected to the motor (18) via a signal line.

[0017] The utility model has the following advantages: low manufacturing cost and improved badminton racket wire pulling quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 for Figure 1 The main view;

[0020] Figure 3 It is a connection diagram of the drive unit, the channel steel and the second spring;

[0021] Figure 4 for Figure 3 Bottom view of

[0022] Figure 5 is a schematic diagram of the structure of the drive unit;

[0023] Figure 6 It is the structural diagram of channel steel;

[0024] Figure 7 It is a schematic diagram of the connection between the swing arm and the clamping block;

[0025] Figure 8 is a schematic diagram of the connection between the column and the first spring;

[0026] In the figure:

[0027] 1- platform, 2- spindle, 3- turntable, 4- fixed assembly, 5- brake ring, 6- arch frame, 7- channel steel, 8- drive unit, 9- eccentric wheel;

[0028] 10-column, 11-fixed shaft, 12-first spring, 13-swing arm, 14-clamping block, 15-through hole, 16-second spring, 17-reducer, 18-motor, 19-badminton racket, 20-protrusion. DETAILED DESCRIPTION

[0029] The utility model is further described below in conjunction with the accompanying drawings, and the protection scope of the utility model is not limited to the following:

[0030] like Figure 1 to Figure 8As shown, a brake device of a wire drawing machine rack assembly, the rack assembly comprises a main shaft (2) rotatably mounted on a platform (1), a turntable (3) fixedly mounted on the upper end of the main shaft (2), and a fixing assembly (4) arranged on the turntable (3), characterized in that: the brake device comprises a brake ring (5) fixedly mounted on the outer cylindrical surface of the main shaft (2), an arch frame (6) fixedly mounted on the platform (1) and located on the left side of the brake ring (5), the brake ring (5) is coaxially arranged with the main shaft (2), and a channel steel (7) is fixedly arranged on the bottom surface of the front end of the arch frame (6) , the groove of the channel steel (7) is arranged forward, a driving unit (8) is fixedly provided on the top surface of the arch frame (6), an output shaft of the driving unit (8) passes through the top wall of the arch frame (6), and an eccentric wheel (9) is fixedly provided on the extended end; the driving unit (8) comprises a reducer (17) fixedly provided on the top wall of the arch frame (6), and a motor (18) connected to the input shaft of the reducer (17), the output shaft of the reducer (17) passes through the arch frame (6) downward, and the eccentric wheel (9) is fixedly installed on the output shaft of the reducer (17).

[0031] The platform (1) is also fixedly provided with a column (10) and a fixed shaft (11), the column (10) is located at the front side of the channel steel (7), a first spring (12) is fixedly provided on the rear end surface of the column (10), the fixed shaft (11) is located at the right side of the column (10), a swing arm (13) is rotatably mounted on the fixed shaft (11), the left end of the swing arm (13) is embedded in the groove of the channel steel (7) from right to left, and the front end surface of the left end of the swing arm (13) abuts against the first spring (12), and a clamping block (14) is fixedly provided on the rear end surface of the right end of the swing arm (13), and the clamping block (14) and the brake ring (5) are arranged opposite to each other in front and back;

[0032] A through hole (15) communicating with the groove is formed at the bottom of the channel steel (7), and a second spring (16) is inserted into the through hole (15). The second spring (16) is pressed between the outer cylindrical surface of the eccentric wheel (9) and the rear end surface of the left end of the swing arm (13).

[0033] The first spring (12) and the second spring (16) are both arranged longitudinally; mounting plates are fixedly provided on both sides of the lower end of the column (10), and the mounting plates are detachably connected to the platform (1) via screws. A pin hole is provided in the middle of the swing arm (13), and the swing arm (13) is hinged to the fixed shaft (11) via the pin hole. It also includes a controller, and the controller is electrically connected to the motor (18) via a signal line.

[0034] The working process of the utility model is as follows:

[0035] S1. A worker first installs a badminton racket on the fixing assembly (4), and then fixes the badminton racket by the fixing assembly (4), and then manually rotates the turntable (3), so that the turntable (3) drives the fixing assembly (4) and the badminton racket (19) to rotate synchronously, thereby changing the direction of the badminton racket (19);

[0036] S2. When the badminton racket (19) is rotated in the right direction, the control motor (18) is started. After the torque of the motor (18) is decelerated by the reducer (17), the output shaft of the reducer (17) drives the eccentric wheel (9) to rotate. The protrusion (20) on the eccentric wheel (9) gradually moves toward the rear end of the second spring (16). When the protrusion (20) presses the rear end of the second spring (16), the second spring (16) pushes the left end of the swing arm (13) to move forward. The swing arm (13) rotates forward around the fixed axis (11). The left end of the swing arm (13) compresses the first spring (12). At the same time, the swing arm (13) drives the clamping block (14) on its right end to move toward the brake ring (5);

[0037] When the motor (18) runs for a set time, the controller controls the motor (18) to turn off. At this time, the second spring (16) is compressed between the left end of the swing arm (13) and the raised portion (20) of the eccentric wheel (9), and the first spring (12) is compressed between the swing arm (13) and the column (10). At the same time, the clamping block (14) clamps the brake ring (5) to brake the main shaft (2).

[0038] S3, pulling the elastic wire inserted into the badminton racket (19) through the wire pulling assembly; since the main shaft (2) is braked, it is effective;

[0039] S4. When the wire pulling operation is completed, the motor (18) is controlled to rotate in the reverse direction, and the motor (18) drives the eccentric wheel (9) to rotate in the reverse direction. The protrusion (20) of the eccentric wheel (9) is separated from the second spring (16), and the second spring (16) is gradually reset. During the reset process, the first spring (12) in a compressed state drives the swing arm (13) under the spring to rotate in the opposite direction around the fixed shaft (11), and the swing arm (13) separates the clamping block (14) from the brake ring (5).

[0040] In addition, it can be seen from step S2 that, since the second spring (16) is in a compressed state, it is ensured that the clamping block (14) on the swing arm (13) firmly clamps the brake ring (5), thereby firmly fixing the main shaft (2), thereby effectively preventing the main shaft (2), the turntable (3) and the badminton racket (19) from deflecting when the wire pulling assembly is pulling wires in the badminton racket (19), thereby greatly improving the wire pulling quality. In addition, the entire brake device uses fewer parts than the brake device in the prior art, thereby saving the manufacturing cost of the brake device.

[0041] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A brake device for a rack assembly of a wire drawing machine, the rack assembly comprising a main shaft (2) rotatably mounted on a platform (1), a turntable (3) fixed to the upper end of the main shaft (2), and a fixing assembly (4) arranged on the turntable (3), characterized in that: The brake device comprises a brake ring (5) fixedly mounted on the outer cylindrical surface of the main shaft (2), an arch frame (6) fixedly mounted on the platform (1) and located on the left side of the brake ring (5), a channel steel (7) fixedly mounted on the bottom surface of the front end of the arch frame (6), the groove of the channel steel (7) being arranged forward, a drive unit (8) fixedly mounted on the top surface of the arch frame (6), an output shaft of the drive unit (8) passing through the top wall of the arch frame (6), and an eccentric wheel (9) fixedly mounted on the extended end; The platform (1) is also fixedly provided with a column (10) and a fixed shaft (11), the column (10) is located at the front side of the channel steel (7), a first spring (12) is fixedly provided on the rear end surface of the column (10), the fixed shaft (11) is located at the right side of the column (10), a swing arm (13) is rotatably mounted on the fixed shaft (11), the left end of the swing arm (13) is embedded in the groove of the channel steel (7) from right to left, and the front end surface of the left end of the swing arm (13) abuts against the first spring (12), and a clamping block (14) is fixedly provided on the rear end surface of the right end of the swing arm (13), and the clamping block (14) and the brake ring (5) are arranged opposite to each other in front and back; A through hole (15) communicating with the groove is formed at the bottom of the channel steel (7), and a second spring (16) is inserted into the through hole (15). The second spring (16) is pressed between the outer cylindrical surface of the eccentric wheel (9) and the rear end surface of the left end of the swing arm (13).

2. The brake device of the wire drawing machine rack assembly according to claim 1, characterized in that: The brake ring (5) is coaxially arranged with the main shaft (2).

3. The brake device of the wire drawing machine rack assembly according to claim 1, characterized in that: Mounting plates are fixedly provided on both sides of the lower end of the column (10), and the mounting plates are detachably connected to the platform (1) via screws.

4. The brake device of the wire drawing machine rack assembly according to claim 1, characterized in that: The first spring (12) and the second spring (16) are both arranged longitudinally.

5. The brake device of the wire drawing machine rack assembly according to claim 1, characterized in that: A pin hole is provided in the middle of the swing arm (13), and the swing arm (13) is hinged to the fixed shaft (11) via the pin hole.

6. The brake device of the wire drawing machine rack assembly according to claim 1, characterized in that: The driving unit (8) comprises a reducer (17) fixedly mounted on the top wall of the arch frame (6), and a motor (18) connected to an input shaft of the reducer (17); an output shaft of the reducer (17) is arranged to pass through the arch frame (6) downward, and the eccentric wheel (9) is fixedly mounted on the output shaft of the reducer (17).

7. The brake device of the wire drawing machine rack assembly according to claim 6, characterized in that: It also includes a controller, which is electrically connected to the motor (18) via a signal line.

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