Four-axis dividing head

Abstract

The utility model provides a four-axis dividing head, which belongs to the field of machine tool equipment, and comprises a shell, the disc is detachably connected with the shell, and when the disc is connected with the shell, the containing groove is sealed by the disc; a gas path is arranged on the disc; the angle adjusting assembly is arranged in the containing groove; the angle adjusting assembly is rotationally connected with the disc. And the driving assembly is used for driving the angle adjusting assembly to rotate relative to the disc. The four-axis dividing head has two use states, in the first use state, the common chuck can be connected with the angle adjusting assembly, then the angle adjusting assembly is driven by the driving assembly to rotate relative to the disc, and then the working posture of the common chuck is adjusted. In the second use state, one end of the air channel is communicated with an external air pump, the other end of the air channel is communicated with the pneumatic chuck, the pneumatic chuck is connected to the disc, and the working posture of the pneumatic chuck can be adjusted through the external air pump. And the application range is effectively expanded.

Description

Technical Field

[0001] The utility model belongs to the field of machine tool equipment, and more specifically relates to a four-axis dividing head. Background Art

[0002] The four-axis dividing head is a machine tool accessory installed on a milling machine to divide the workpiece into any equal parts. It uses a dividing ring and a vernier, a locating pin and a dividing plate, and an exchange gear to divide the workpiece mounted on the center or on the chuck into any angle, and can divide the circumference into any equal parts. It assists the machine tool to use tools of various shapes to perform various grooves, spur gears, spiral spur gears, etc.

[0003] The existing four-axis dividing head includes a housing, a worm gear disposed in the housing, and a worm gear meshing with the worm gear. The worm gear has a self-locking function, but after a certain period of use, the worm gear will wear out, causing the worm gear to lose its self-locking function. The four-axis dividing head cannot meet the accuracy requirements and needs manual adjustment or repair, which affects the working efficiency of the dividing head. The existing four-axis dividing head also has the problem that it can only be installed with an ordinary dividing head or a pneumatic chuck, and has a small scope of application. Utility Model Content

[0004] The utility model aims to provide a four-axis dividing head, aiming to solve the technical problem that the dividing head in the prior art has a small application range.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide a four-axis dividing head, including:

[0006] A housing, one end of which is provided with a receiving groove;

[0007] A disc is detachably connected to the shell, and when the disc is connected to the shell, the disc seals the receiving groove; an air path is provided on the disc;

[0008] An angle adjustment component is disposed in the receiving groove; the angle adjustment component is rotatably connected to the disc;

[0009] The driving assembly is used to drive the angle adjustment assembly to rotate relative to the disc.

[0010] Preferably, the gas circuit comprises:

[0011] A first through hole is provided on the disc and communicated with the receiving groove for communicating with an external air pump;

[0012] The second through hole is arranged on the upper end surface of the disc and is connected with the second through hole; the second through hole is connected with the first through hole and is used for detachable connection with the pneumatic chuck.

[0013] Preferably, a connecting piece is connected to the first through hole, and the connecting piece is used to communicate with an external air pump.

[0014] Preferably, the angle adjustment assembly comprises:

[0015] A worm wheel is disposed in the receiving groove, and the worm wheel is rotatably connected to the housing;

[0016] A worm assembly is disposed in the receiving groove and is adapted to the worm wheel. The worm assembly is slidably connected to the bottom surface of the receiving groove and is connected to the driving assembly.

[0017] A worm adjusting member is connected to the housing and pushes the worm assembly to engage with the worm wheel when a gap is generated between the worm assembly and the worm wheel.

[0018] Preferably, the worm assembly comprises:

[0019] A polished rod, one end of which is connected to the driving assembly;

[0020] A worm main body, sleeved on the polished rod; and

[0021] The adjusting member is sleeved on the polished rod, the adjusting member is rotatably connected to the polished rod, and the adjusting member is slidably connected to the inner wall of the accommodating groove.

[0022] Preferably, a sliding groove is provided on the adjusting member; and a sliding block is provided on the bottom surface of the accommodating groove along the radial direction of the polished rod.

[0023] Preferably, the worm adjusting member comprises:

[0024] a contact member, disposed in the receiving groove and located on one side of the worm assembly; and

[0025] A connection state adjusting member has one end connected to the housing and the other end connected to the contact member.

[0026] Preferably, the connection state adjusting member is a compression spring, and the compression spring is configured to automatically push the worm assembly to re-engage with the worm wheel when a gap is generated between the worm assembly and the worm wheel.

[0027] The beneficial effect of a four-axis dividing head provided by the utility model is that: compared with the prior art, the four-axis dividing head provided by the utility model has two use states. In the first use state, the ordinary chuck can be connected with the angle adjustment component, and then the angle adjustment component is driven by the driving component to rotate relative to the disc, thereby adjusting the working posture of the ordinary chuck. In the second use state, one end of the air circuit is connected to the external air pump, and the other end is connected to the pneumatic chuck, and the pneumatic chuck is connected to the disc, and the working posture of the pneumatic chuck can be adjusted by the external air pump. The scope of application is effectively improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0029] Figure 1 A schematic diagram of the structure of a four-axis dividing head provided in an embodiment of the utility model Figure 1 ;

[0030] Figure 2 For along Figure 1 The cross-sectional structure diagram along the AA line;

[0031] Figure 3 A schematic diagram of the structure of a four-axis dividing head provided in an embodiment of the utility model Figure 2 ;

[0032] Figure 4 A schematic diagram of the structure of a disc used in a four-axis dividing head provided in an embodiment of the utility model;

[0033] Figure 5 For along Figure 4 The cross-sectional structure diagram of the middle BB line;

[0034] Figure 6 An exploded view of a four-axis dividing head provided in an embodiment of the utility model (the disk is not drawn).

[0035] In the figure: 11, housing; 111, third through hole; 12, disc; 121, first through hole; 122, second through hole; 13, accommodating groove; 21, worm wheel; 22, worm assembly; 221, bare rod; 222, worm body; 223, adjusting member; 23, worm adjusting member; 231, contact member; 232, connection state adjusting member; 3, slider; 4, drive assembly. DETAILED DESCRIPTION

[0036] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0037] Please also read Figures 1 to 6 Now, a four-axis dividing head provided by the utility model is described. The four-axis dividing head comprises a housing 11, a disc 12, an angle adjustment assembly and a driving assembly 4. A receiving groove 13 is provided at one end of the housing 11; the disc 12 is detachably connected to the housing 11. When the disc 12 is connected to the housing 11, the disc 12 seals the receiving groove 13; an air path is provided on the disc 12; the angle adjustment assembly is arranged in the receiving groove 13; the angle adjustment assembly is rotatably connected to the disc 12; and the driving assembly 4 is used to drive the angle adjustment assembly 3 to rotate relative to the disc 12.

[0038] Compared with the prior art, the four-axis dividing head provided by the utility model has two use states. In the first use state, the common chuck can be connected with the angle adjustment component, and then the driving component 4 drives the angle adjustment component to rotate relative to the disc 12, thereby adjusting the working posture of the common chuck. In the second use state, one end of the air circuit is connected to the external air pump, and the other end is connected to the pneumatic chuck, and the pneumatic chuck is connected to the disc 12, and the working posture of the pneumatic chuck can be adjusted by the external air pump. The scope of application is effectively improved.

[0039] As a specific implementation of the present invention, please refer to Figures 1 to 6 The air circuit includes: a first through hole 121 and a second through hole 122. The first through hole 121 is arranged on the disc 12 and communicates with the receiving groove 13 for communicating with an external air pump; the second through hole 122 is arranged on the upper end surface of the disc 12 and communicates with the second through hole 122; the second through hole 122 communicates with the first through hole 121 for detachable connection with the pneumatic chuck. The air circuit is arranged on the shell structure composed of the shell 11 and the disc 12, which improves concealment, effectively reduces the risk of damage, and increases the service life of the air circuit.

[0040] In any feasible embodiment, when the disk 12 seals the receiving groove 13 , the first through hole 121 , a part of the structure of the receiving groove 13 , and the second through hole 122 together form an air path.

[0041] In any feasible embodiment, the first through hole 121 is connected to the second through hole 122 through a first pipe. Specifically, the first pipe is disposed in the receiving groove 13, one end of the first pipe is connected and fixed to one end of the first through hole 121, and the other end is connected and fixed to one end of the second through hole 122. The first through hole 121 is connected to the second through hole 122 through the first pipe.

[0042] In this embodiment, a connecting piece is connected to the first through hole 121 , and the connecting piece is used to communicate with an external air pump.

[0043] In any feasible embodiment, the connecting member is a solenoid valve.

[0044] In this embodiment, the bottom surface of the housing 11 is provided with a third through hole 111. When the housing 11 is sealed and connected to the disc 12, the third through hole 111 is connected to the first through hole 121. The third through hole 111 can be connected to an external air pump to input gas into the first through hole 121.

[0045] As a specific implementation of the present invention, please refer to Figures 1 to 6 The angle adjustment assembly includes: a worm wheel 21, a worm assembly 22 and a worm adjusting member 23. The worm wheel 21 is arranged in the receiving groove 13, and the worm wheel 21 is rotatably connected to the housing 11; the worm assembly 22 is arranged in the receiving groove 13 and is adapted to the worm wheel 21. The worm assembly 22 is slidably connected to the bottom surface of the receiving groove 13, and the worm assembly 22 is connected to the driving assembly 4; the worm adjusting member 23 is connected to the housing 11, and when a gap is generated between the worm assembly 22 and the worm wheel 21, the worm assembly 22 is pushed to mesh with the worm wheel 22. The addition of the worm adjusting member 23 allows the turbine to have a self-locking function to ensure processing accuracy.

[0046] In this embodiment, the worm assembly 22 includes: a light rod 221, a worm body 222 and an adjusting member 223; one end of the light rod 221 is connected to the driving assembly 4; the worm body 222 is sleeved on the light rod 221; the adjusting member 223 is sleeved on the light rod 221, the adjusting member 223 is rotatably connected to the light rod 221, and the adjusting member 223 is slidably connected to the inner wall of the accommodating groove 13.

[0047] In this embodiment, a sliding groove is provided on the adjusting member 223 ; and a sliding block 3 is provided on the bottom surface of the accommodating groove 13 along the radial direction of the polished rod 221 .

[0048] In this embodiment, the worm adjusting member 23 includes: a contact member 231 and a connection state adjusting member 232, wherein the contact member 231 is disposed in the accommodating groove 13 and is located on one side of the worm assembly 22; one end of the connection state adjusting member 232 is connected to the housing 11, and the other end is connected to the contact member 231.

[0049] In this embodiment, the connection state adjustment member 232 is a compression spring, and the compression spring is configured to automatically push the worm assembly 22 to re-engage with the worm wheel 22 when a gap is generated between the worm assembly 22 and the worm wheel 21. The initial state of the compression spring is a compression state. When a gap is generated between the worm assembly 22 and the worm wheel 21, the compression spring changes from a compression state to a force release state, and the released force pushes the worm assembly 22 and the driving assembly 4 to move simultaneously, so that the worm assembly 22 is still engaged with the worm wheel 21. The contact member 231 abuts against the adjustment member 223.

[0050] In any feasible embodiment, the connection state adjusting member 232 is a threaded rod rotatably connected to the housing 11, and the housing 11 is provided with a threaded hole adapted to the threaded rod, and the threaded rod is connected to the motor in a transmission manner. The motor can drive the screw rod to move forward and backward relative to the threaded hole of the housing 11. The motor is electrically connected to the sensor. The sensor is arranged in the receiving groove. The sensor is used to monitor whether the worm assembly 22 is separated from the worm wheel 21. When the worm assembly 22 is separated from the worm wheel 21, the sensor transmits a signal to the motor, and the motor drives the threaded rod to move, thereby pushing the worm assembly 22 to re-engage with the worm wheel 21. The connection state adjusting member 232 also includes a battery connected to the housing, and the battery is electrically connected to the motor. The battery is electrically connected to the sensor. It is used to provide power. The user can timely grasp the connection state of the worm assembly 22 and the worm wheel 21 by whether the motor is operating.

[0051] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A four-axis dividing head, characterized in that: include: A housing (11) having a receiving groove (13) at one end; A disc (12) is detachably connected to the housing (11); when the disc (12) is connected to the housing (11), the disc (12) seals the containing groove (13); an air path is provided on the disc (12); An angle adjustment component is arranged in the receiving groove (13); the angle adjustment component is rotatably connected to the disc (12); A driving assembly (4) is used to drive the angle adjustment assembly to rotate relative to the disc (12).

2. A four-axis dividing head as claimed in claim 1, characterized in that: The gas circuit comprises: A first through hole (121) is provided on the disc (12) and is in communication with the receiving groove (13) and is used for communicating with an external air pump; The second through hole (122) is arranged on the upper end surface of the disc (12) and is connected to the second through hole (122); the second through hole (122) is connected to the first through hole (121) and is used for detachable connection with the pneumatic chuck.

3. A four-axis dividing head as claimed in claim 2, characterized in that: The first through hole (121) is connected with a connecting piece, and the connecting piece is used to connect with an external air pump.

4. A four-axis dividing head according to any one of claims 1 to 3, characterized in that: The angle adjustment component comprises: A worm wheel (21) is disposed in the receiving groove (13), and the worm wheel (21) is rotationally connected to the housing (11); A worm assembly (22) is disposed in the receiving groove (13) and is adapted to the worm wheel (21); the worm assembly (22) is slidably connected to the bottom surface of the receiving groove (13); and the worm assembly (22) is connected to the driving assembly (4); A worm adjusting member (23) is connected to the housing (11) and pushes the worm assembly (22) to engage with the worm wheel (21) when a gap is generated between the worm assembly (22) and the worm wheel (21).

5. A four-axis dividing head as claimed in claim 4, characterized in that: The worm assembly (22) comprises: A polished rod (221), one end of which is connected to the driving assembly (4); A worm main body (222) is sleeved on the polished rod (221); and The adjusting member (223) is sleeved on the polished rod (221), the adjusting member (223) is rotatably connected to the polished rod (221), and the adjusting member (223) is slidably connected to the inner wall of the containing groove (13).

6. A four-axis dividing head as claimed in claim 5, characterized in that: The adjusting member (223) is provided with a sliding groove; and the bottom surface of the accommodating groove (13) is provided with a sliding block (3) arranged along the radial direction of the polished rod (221).

7. A four-axis dividing head as claimed in claim 5, characterized in that: The worm adjusting member (23) comprises: A contact member (231) is disposed in the receiving groove (13) and is located on one side of the worm assembly (22); and A connection state adjusting member (232) has one end connected to the housing (11) and the other end connected to the contact member (231).

8. A four-axis dividing head as claimed in claim 7, characterized in that: The connection state adjusting member (232) is a compression spring, and the compression spring is configured to automatically push the worm assembly (22) and the worm wheel (21) to re-engage when a gap is generated between the worm assembly (22) and the worm wheel (21).

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