Direct-drive rotary table structure of casting part shared by air pressure disc brake and oil pressure band brake

Abstract

The utility model relates to the technical field of direct-drive rotary tables, and discloses a direct-drive rotary table structure of a casting part shared by an air pressure disc brake and an oil pressure band brake, which comprises a casting box body, a rotating shaft, an encoder, a water-cooling frameless motor, a rotary table bearing, an air pressure disc brake assembly and an oil pressure band brake assembly, the casting box body and the rotating shaft are fixedly connected to an outer ring and an inner ring of a rotary table bearing respectively, one end of the rotating shaft is fixedly connected with a flange plate, the encoder is fixedly installed in the casting box body through an encoder seat, a rotor of the encoder is fixedly connected with the rotating shaft, the water-cooling frameless motor is fixedly installed in the casting box body, and the water-cooling frameless motor is fixedly installed in the casting box body. According to the direct-drive rotary table, the rotary table configuration requirements for different working condition requirements can be conveniently met, casting parts of the direct-drive rotary table do not need to be additionally manufactured to adapt to different working conditions, and therefore the overall configuration manufacturing cost can be effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of direct-drive turntables, and more specifically, to a direct-drive turntable structure in which a pneumatic disc brake and an oil pressure brake share casting parts. Background Art

[0002] The direct-drive turntable adopts a direct-drive motor to directly drive the turntable to rotate, and the encoder is used to feedback control the rotation angle of the motor. It has high processing accuracy and fast rotation speed. The processing torque varies according to the number of motor poles and magnetic gap. The general structural design of the casting parts of the existing direct-drive turntable can only install pneumatic disc brake components or hydraulic brake components separately, and does not have the function of installing both. It is difficult to meet the turntable configuration requirements for different working conditions. Its scope of application is limited. It is necessary to make additional casting parts of the direct-drive turntable to adapt to different working conditions, which increases the overall configuration and production cost. Based on this, the utility model designs a direct-drive turntable structure with pneumatic disc brakes and hydraulic brakes sharing casting parts, so as to solve the above problems. Utility Model Content

[0003] The purpose of the utility model is to provide a direct-drive turntable structure with common casting parts for pneumatic disc brakes and hydraulic brakes, so as to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a direct-drive turntable structure in which pneumatic disc brakes and hydraulic brakes share casting parts, comprising a casting case, a rotating shaft, an encoder, a water-cooled frameless motor, a turntable bearing, a pneumatic disc brake assembly and a hydraulic brake assembly, the casting case and the rotating shaft are respectively fixedly connected to the outer ring and inner ring of the turntable bearing, one end of the rotating shaft is fixedly connected to a flange, the encoder is fixedly installed in the casting case through an encoder seat, the rotor of the encoder is fixedly connected to the rotating shaft, the water-cooled frameless motor is fixedly installed in the casting case, the driving end of the water-cooled frameless motor is fixedly connected to the outside of the rotating shaft, and the pneumatic disc brake assembly or the hydraulic brake assembly can be arranged on the casting case.

[0005] As a preferred technical solution of the utility model, a rear cover is fixedly installed on the bottom of the encoder seat, and a lower skeleton oil seal is provided between the rotating shaft and the rear cover.

[0006] As a preferred technical solution of the utility model, the pneumatic disc brake assembly includes a brake pad, a brake washer, a piston and a cylinder head. The brake pad is fixedly mounted on the rotating shaft by a fastening screw a, the brake washer is fixedly mounted on the casting box by a fastening screw b, the piston is slidably mounted in the cylinder head, and the cylinder head is fixedly connected to the top of the casting box.

[0007] As a preferred technical solution of the present utility model, an upper skeleton oil seal I is provided between the rotating shaft and the cylinder head.

[0008] As a preferred technical solution of the utility model, the hydraulic brake assembly includes a brake disc, a brake ring and an upper cover. The brake disc is fixedly mounted on the rotating shaft by a fastening screw c, the brake ring is fixedly connected in the upper cover, and the upper cover is fixedly connected to the top of the casting box.

[0009] As a preferred technical solution of the utility model, an upper skeleton oil seal II is provided between the rotating shaft and the upper cover.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] The utility model enables the pneumatic disc brake assembly and the hydraulic brake assembly to be used in the same casting box. During the manufacturing process, it is convenient to select the corresponding pneumatic disc brake assembly or the hydraulic brake assembly to be installed on the casting box for use, so as to meet the turntable configuration requirements for different working conditions, which is conducive to expanding the scope of application. There is no need to additionally manufacture casting parts of the direct-drive turntable to adapt to different working conditions, thereby effectively reducing the overall configuration and manufacturing cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a cross-sectional structural schematic diagram of a direct-drive turntable structure of the utility model in which a pneumatic disc brake and a hydraulic brake share casting parts after the pneumatic disc brake assembly is installed;

[0013] Figure 2 The utility model is a cross-sectional structural schematic diagram of a direct-drive turntable structure in which a pneumatic disc brake and a hydraulic brake share casting parts after the hydraulic brake assembly is installed.

[0014] In the figure: 1. casting box; 101. pneumatic disc brake assembly; 102. hydraulic brake assembly; 103. oil-gas joint; 2. rotating shaft; 3. encoder seat; 4. encoder; 5. water-cooled frameless motor; 6. rear cover; 7. lower skeleton oil seal; 8. upper skeleton oil seal I; 801. upper skeleton oil seal II; 9. turntable bearing; 10. flange; 11. brake pad; 111. fastening screw a; 12. brake gasket; 121. fastening screw b; 13. piston; 14. cylinder head; 15. brake disc; 151. fastening screw c; 16. brake ring; 17. upper cover. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0016] like Figure 1 to Figure 2 As shown, the utility model provides a direct-drive turntable structure in which a pneumatic disc brake and a hydraulic brake share casting parts, including a casting box 1, a rotating shaft 2, an encoder 4, a water-cooled frameless motor 5, a turntable bearing 9, a pneumatic disc brake assembly 101 and a hydraulic brake assembly 102. The casting box 1 and the rotating shaft 2 are respectively fixedly connected to the outer ring and the inner ring of the turntable bearing 9, one end of the rotating shaft 2 is fixedly connected to a flange 10, the encoder 4 is fixedly installed in the casting box 1 through an encoder seat 3, the rotor of the encoder 4 is fixedly connected to the rotating shaft 2, and the rotation of the rotating shaft 2 can be monitored in real time through the encoder 4. In the running state, the water-cooled frameless motor 5 is fixedly installed in the casting box 1, and the driving end of the water-cooled frameless motor 5 is fixedly connected to the outside of the rotating shaft 2. The rotating shaft 2 can be driven to rotate by the water-cooled frameless motor 5. The pneumatic disc brake assembly 101 or the hydraulic brake assembly 102 can be arranged on the casting box 1, so that the pneumatic disc brake assembly 101 and the hydraulic brake assembly 102 can be used in the same casting box 1. According to the turntable configuration requirements of different working conditions, it is convenient to select the corresponding pneumatic disc brake assembly 101 or the hydraulic brake assembly 102 to be installed on the casting box 1 for use.

[0017] Among them, Figure 1 and Figure 2 As shown, a rear cover 6 is fixedly installed at the bottom of the encoder seat 3, and a lower skeleton oil seal 7 is provided between the rotating shaft 2 and the rear cover 6, and the lower skeleton oil seal 7 is used to ensure the sealing effect between the rotating shaft 2 and the rear cover 6.

[0018] Among them, Figure 1 As shown, the pneumatic disc brake assembly 101 includes a brake pad 11, a brake shim 12, a piston 13 and a cylinder head 14. The brake pad 11 is fixedly mounted on the rotating shaft 2 by means of a fastening screw a111, the brake shim 12 is fixedly mounted on the casting box 1 by means of a fastening screw b121, the piston 13 is slidably mounted in the cylinder head 14, and the cylinder head 14 is fixedly connected to the top of the casting box 1. When air pressure is introduced, the piston 13 can be driven downward, so that the brake pad 11 is deformed and contacts the brake shim 12 to generate resistance, thereby realizing the clamping brake function.

[0019] Among them, Figure 1 As shown, an upper skeleton oil seal I8 is provided between the rotating shaft 2 and the cylinder head 14, and the upper skeleton oil seal I8 is used to ensure the sealing effect between the rotating shaft 2 and the cylinder head 14.

[0020] Among them, Figure 2 As shown, the hydraulic brake assembly 102 includes a brake disc 15, a brake ring 16 and an upper cover 17. The brake disc 15 is fixedly mounted on the rotating shaft 2 by means of a fastening screw c151, the brake ring 16 is fixedly connected in the upper cover 17, and the upper cover 17 is fixedly connected to the top of the casting box 1. When oil pressure is introduced, the brake ring 16 can be deformed to contact the brake disc 15 to generate resistance, thereby realizing the clamping brake function.

[0021] Among them, Figure 2 As shown, an upper skeleton oil seal II801 is provided between the rotating shaft 2 and the upper cover 17 , and the upper skeleton oil seal II801 is utilized to ensure the sealing effect between the rotating shaft 2 and the upper cover 17 .

[0022] The working principle of this utility model:

[0023] During the manufacturing process, according to the configuration requirements of the turntable under different working conditions, if the pneumatic disc brake structure is needed, the brake pad 11 is fixedly installed on the rotating shaft 2 by the fastening screw a111, the brake pad ring 12 is fixedly installed on the casting box 1 by the fastening screw b121, the piston 13 is slidably installed in the cylinder head 14, and the cylinder head 14 is fixedly connected to the top of the casting box 1, and the pneumatic disc brake assembly 101 can be installed on the casting box 1 for use. When the air pressure is introduced, the piston 13 can be pressed down to brake. The plate 11 is deformed and contacts the brake pad ring 12 to generate resistance, thereby realizing the clamping brake function. If the hydraulic brake structure is required, the brake disc 15 is fixedly installed on the rotating shaft 2 by the fastening screws c151, and the brake ring 16 is fixedly connected to the upper cover 17. The upper cover 17 is fixedly connected to the top of the casting box 1. The hydraulic brake assembly 102 can be installed on the casting box 1 for use. When the oil pressure is introduced, the brake ring 16 can be deformed and contact the brake disc 15 to generate resistance, thereby realizing the clamping brake function.

[0024] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A direct-drive turntable structure with common casting parts for pneumatic disc brakes and hydraulic brakes, characterized in that: It comprises a casting box (1), a rotating shaft (2), an encoder (4), a water-cooled frameless motor (5), a turntable bearing (9), a pneumatic disc brake assembly (101) and a hydraulic brake assembly (102); The casting box (1) and the rotating shaft (2) are respectively fixedly connected to the outer ring and the inner ring of the turntable bearing (9), and one end of the rotating shaft (2) is fixedly connected to a flange (10); The encoder (4) is fixedly installed in the casting box (1) through an encoder seat (3), and the rotor of the encoder (4) is fixedly connected to the rotating shaft (2); The water-cooled frameless motor (5) is fixedly installed in the casting box (1), and the driving end of the water-cooled frameless motor (5) is fixedly connected to the outside of the rotating shaft (2); The pneumatic disc brake assembly (101) or the hydraulic brake assembly (102) can be arranged on the casting box (1).

2. According to claim 1, a direct-drive turntable structure with common casting parts for pneumatic disc brakes and hydraulic brakes is characterized by: A rear cover (6) is fixedly mounted on the bottom of the encoder seat (3), and a lower frame oil seal (7) is provided between the rotating shaft (2) and the rear cover (6).

3. According to claim 2, a direct-drive turntable structure with common casting parts for pneumatic disc brakes and hydraulic brakes is characterized by: The pneumatic disc brake assembly (101) comprises a brake pad (11), a brake washer (12), a piston (13) and a cylinder head (14); the brake pad (11) is fixedly mounted on the rotating shaft (2) by means of a fastening screw a (111); the brake washer (12) is fixedly mounted on the casting housing (1) by means of a fastening screw b (121); the piston (13) is slidably mounted in the cylinder head (14); and the cylinder head (14) is fixedly connected to the top of the casting housing (1).

4. The direct-drive turntable structure with common casting parts for pneumatic disc brakes and hydraulic brakes according to claim 3 is characterized in that: An upper skeleton oil seal I (8) is provided between the rotating shaft (2) and the cylinder cover (14).

5. According to claim 2, a direct-drive turntable structure with common casting parts for pneumatic disc brakes and hydraulic brakes is characterized by: The hydraulic brake assembly (102) comprises a brake disc (15), a brake ring (16) and an upper cover (17); the brake disc (15) is fixedly mounted on the rotating shaft (2) by means of a fastening screw c (151); the brake ring (16) is fixedly connected to the upper cover (17); and the upper cover (17) is fixedly connected to the top of the casting box (1).

6. A direct-drive turntable structure with common casting parts for pneumatic disc brakes and hydraulic brakes according to claim 5, characterized in that: An upper skeleton oil seal II (801) is provided between the rotating shaft (2) and the upper sealing cover (17).

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