Swing head with brake

Abstract

The utility model discloses a swing head with a brake, which relates to the technical field of machining, and is characterized in that a brake air inlet and a brake releasing air inlet are arranged on a shaft body shell, and an optimized brake mechanism is arranged, so that accurate locking and rotation control of the position of the swing head are realized; the brake mechanism comprises a piston brake disc, a brake pad, a sealing ring, a spring and other components, the brake and unlocking functions are achieved through the air pressure effect, meanwhile, good air tightness and response speed are guaranteed, the device is further provided with a tail end cover and a framework oil seal, the daily dustproof effect is provided, and the stability and durability of equipment are further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical processing technical field, concretely is a kind of with brake swing head. BACKGROUND

[0002] In the field of industrial automation and mechanical equipment, swing head is widely used in various rotary motion control systems as a key transmission component. Through direct drive technology, swing head realizes high-precision, high-speed and high-rigidity motion control, meeting the demand of modern industry for high-precision positioning and rapid response.

[0003] However, there are some deficiencies in the design and use of traditional swing head. Especially in the application scenarios that require frequent start, stop and steering, the traditional swing head often lacks effective brake and locking mechanism, which leads to shaking or instability during stop or steering, affecting the operation precision and stability of the equipment.

[0004] Therefore, by optimizing the design of the brake mechanism, the sealing performance and response speed are improved, and the influence of the brake mechanism on the motion precision of the swing head is reduced. SUMMARY

[0005] In view of the deficiencies of the prior art, the utility model provides a swing head with brake, which solves the problems raised in the above background art.

[0006] To achieve the above purpose, the utility model realizes the following technical scheme: a swing head with brake device, comprising a swing head and a shaft body shell, a brake air inlet and a brake release air inlet are arranged on the side end surface of the shaft body shell, a B shaft fixed flange is fixed on the outer side end of the shaft body shell, a brake flange is fixed on the outer side end of the B shaft fixed flange, a cavity is arranged in the brake flange, which is in communication with the brake air inlet and the brake release air inlet, a brake mechanism is arranged between the brake air inlet and the brake release air inlet, which is used for locking the position of the swing head and controlling its rotation.

[0007] Further, the brake mechanism comprises a piston brake disc, the piston brake disc is assembled on the B shaft fixed flange, a brake pad is fixed on one end of the piston brake disc, and the brake pad is fixed with the shaft flange surface; a clamping groove is arranged on the upper and lower end surfaces of the piston brake disc, and a sealing ring is clamped in the clamping groove to improve the air tightness.

[0008] Further, the brake air inlet is in communication with the end of the piston brake disc away from the brake pad, and the brake release air inlet is in communication with the end of the piston brake disc close to the brake pad.

[0009] Further, a spring is fixedly assembled in the B shaft fixed flange, the spring is arranged corresponding to the end of the piston brake disc away from the brake pad, and the spring pushes the piston brake disc to be close to the brake pad.

[0010] Further, the side end of the shaft body shell is provided with a tail end cover, a skeleton oil seal is arranged between the tail end cover and the center body, and the skeleton oil seal is matched with the tail end cover to provide daily dustproof effect.

[0011] Further, the upper and lower ends of the plurality of sealing rings are arranged in a triangular form.

[0012] With respect to the above background technology, the application provides a swing head with a brake, which comprises a swing head that is very mature in the art and a piston brake disc and brake pad and spring as core components, and the principle thereof relies on the opposite air supply of the brake air inlet and the brake release air inlet to control the piston brake disc, and then the brake pad controls the swing head, and the spring controls the swing head through static friction when the brake air inlet and the brake release air inlet are not supplied with air.

[0013] The utility model provides a swing head with a brake.

[0014] The swing head with a brake; through the innovative brake mechanism design, the device can respond brake command rapidly and accurately, effectively avoids the swing head in the process of stopping or turning and the instability phenomenon, thereby the operation precision and reliability of equipment are improved obviously, the brake mechanism of optimization has excellent air tightness and response speed, ensures the timeliness and accuracy of brake and unlocking action. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall structure schematic view of the utility model;

[0016] Figure 2 It is the plane schematic view of B shaft fixed flange disc and swing head of the utility model;

[0017] Figure 3 It is the plane schematic view of the overall partial section of the utility model;

[0018] Figure 4 It is Figure 3 The structure schematic view of the enlarged structure in middle A.

[0019] In the figure: 1, swing head;2, shaft body shell;3, B shaft fixed flange disc;4, brake air inlet;5, brake release air inlet;6, tail end cover;7, skeleton oil seal;8, brake flange disc;9, piston brake disc;10, clamping groove;11, sealing ring;12, brake pad;13, spring. DETAILED DESCRIPTION

[0020] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Please refer to Figures 1-4 The utility model provides a technical scheme: a swing head with brake; specifically by swing head 1 and shaft body shell 2; the side end face of shaft body shell 2 is provided with brake air inlet 4 and brake release air inlet 5, and the outer side end of shaft body shell 2 is provided with B shaft fixed flange plate 3, B shaft fixed flange plate 3 is used as the main body surface, rotary table bearing outer ring is fixed at the inner hole end surface position of B shaft fixed flange plate 3, rotary shaft end flange is fixed to rotary table bearing inner ring flange surface, B shaft fixed flange plate 3, rotary table bearing and rotary shaft are assembled; B shaft fixed flange and rotary shaft become two relative rotation fixed bodies through bearing retainer, the outer side end of B shaft fixed flange plate 3 is fixed with brake flange plate 8, the inside of brake flange plate 8 is provided with cavity, the cavity is communicated with brake air inlet 4 and brake release air inlet 5, brake air inlet 4 and brake release air inlet 5 are oppositely arranged, brake mechanism is arranged between brake air inlet 4 and brake release air inlet 5, the position of swing head 1 can be locked under the condition of not supplying air through brake mechanism itself, when swing head 1 rotates, brake air inlet 4 supplies air to perform emergency brake on the rotation of swing head 1, when swing head 1 needs to rotate, brake is removed through the air supply of brake release air inlet 5, and then the state of swing head 1 is controlled;

[0022] The brake mechanism includes piston brake disc 9, piston brake disc 9 is assembled on B shaft fixed flange plate 3, brake pad 12 is fixed at one end of piston brake disc 9, brake pad 12 is fixed with rotary shaft flange surface, clamping groove 10 is formed on the upper and lower end surfaces of piston brake disc 9, sealing ring 11 is clamped in clamping groove 10, better air tightness can be achieved through sealing ring 11, and movement can be more rapid when supplying air, when brake air inlet 4 supplies air, piston brake disc 9 moves to brake pad 12 under the push of air, and then brake effect is formed, when brake release air inlet 5 supplies air, piston brake disc 9 moves away from brake pad 12 under the push of air, and then swing head 1 can rotate and be unlocked;

[0023] A spring 13 is fixedly arranged inside the B-shaft fixing flange 3, and the spring 13 is arranged in correspondence with the position of the piston brake disc 9; when the brake air inlet 4 and the brake release air inlet 5 are not working, and the swing head 1 is not working, in order to avoid the swing of the swing head 1, the piston brake disc 9 is pushed to the brake pad 12 by the elastic force of the spring 13, so that static friction is formed, and then the swing head 1 can be prevented from swinging freely, safety is improved; similarly, when the brake air inlet 4 and the brake release air inlet 5 work, the piston brake disc 9 is pushed and the spring 13 is compressed at the same time.

[0024] The tail end cover 6 is arranged at the side end of the shaft body shell 2, and the skeleton oil seal 7 is arranged between the tail end cover 6 and the center body; the mutual cooperation between the skeleton oil seal 7 and the tail end cover 6 can provide daily dustproof effect.

[0025] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed in the preferred embodiment, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above-mentioned equivalent embodiments without departing from the scope of the present application. Any simple modification, equivalent change and modification of the above-mentioned embodiments, which do not depart from the technical essence of the present application, are still within the scope of the present application.

Claims

1. A braked swing head device, comprising a swing head (1) and a shaft housing (2), characterized in that: The side end surface of the shaft housing (2) is provided with a brake air inlet (4) and a brake release air inlet (5), the outer end of the shaft housing (2) is fixed with a B-axis fixed flange (3), the outer end of the B-axis fixed flange (3) is fixed with a brake flange (8), the brake flange (8) is provided with a cavity connected to the brake air inlet (4) and the brake release air inlet (5), and a brake mechanism is provided between the brake air inlet (4) and the brake release air inlet (5) for locking the position of the swing head (1) and controlling its rotation.

2. The braked swing head device according to claim 1, characterized in that: The brake mechanism comprises a piston brake disc (9), which is assembled on the B-axis fixed flange (3), and a brake pad (12) is fixed to one end of the piston brake disc (9), and the brake pad (12) is fixed to the flange surface of the rotating shaft; the upper and lower end surfaces of the piston brake disc (9) are provided with a clamping groove (10), and a sealing ring (11) is clamped in the clamping groove (10) to improve air tightness.

3. The braked swing head device according to claim 2, characterized in that: The brake air inlet (4) is connected to the end of the piston brake disc (9) away from the brake pad (12), and the brake release air inlet (5) is connected to the end of the piston brake disc (9) close to the brake pad (12).

4. The braked swing head device according to claim 1, characterized in that: A spring (13) is fixedly mounted inside the B-axis fixed flange (3). The spring (13) is arranged corresponding to the end of the piston brake disc (9) away from the brake pad (12). The spring (13) pushes the piston brake disc (9) to be arranged close to the brake pad (12).

5. The braked swing head device according to claim 1, characterized in that: A tail end cover (6) is provided at the side end of the shaft housing (2), and a skeleton oil seal (7) is placed between the tail end cover (6) and the center body. The skeleton oil seal (7) and the tail end cover (6) cooperate with each other to provide daily dust protection.

6. The braked swing head device according to claim 2, characterized in that: The upper and lower ends of the plurality of sealing rings (11) are distributed in a triangular arrangement.

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