Electric spindle structure of machine tool

Abstract

The utility model discloses a machine tool electric spindle structure, and particularly relates to the technical field of machine tool spindles, the machine tool electric spindle structure comprises a machine tool spindle box, a machine tool spindle body is rotatably mounted in the machine tool spindle box, and one end of the machine tool spindle body extends to the outside of the machine tool spindle box; the connecting, dismounting and mounting assembly comprises a connecting, dismounting and mounting cover plate mounted at one end of the machine tool spindle box and a threaded groove formed in the connecting, dismounting and mounting cover plate and the machine tool spindle box, and a limiting fixing piece is in threaded connection with the interior of the threaded groove; according to the utility model, the motor and the machine tool main shaft body can be effectively and directly connected through the connection dismounting assembly, the connection assembly and the limiting assembly, so that the problems that gears are abraded, the two gears cannot be meshed, and the transmission of the gears is abnormal are solved, a numerical control machine tool can work normally, and the working efficiency is improved. And the stability of the machine tool spindle can be enhanced, and the workpiece can be conveniently machined and used.

Description

Technical Field

[0001] The utility model relates to the technical field of machine tool spindles, in particular to an electric spindle structure for a machine tool. Background Art

[0002] When a machine tool processes a workpiece, it mainly uses a tool to cut and process the workpiece. When in use, the tool is fixed on the tool holder, the workpiece is clamped on the chuck, and then the spindle is driven by a drive motor to rotate, thereby driving the chuck to rotate and causing the workpiece to rotate to complete the processing of the workpiece by the tool.

[0003] However, in actual use, the existing machine tool electric spindle structure is generally connected to the spindle and the motor through gear transmission. However, during long-term use of the machine tool spindle, the gears will wear out, resulting in the inability of the two gears to complete meshing, causing abnormal gear transmission, thereby making the CNC machine tool unable to work normally and affecting the stability of the machine tool spindle, which is inconvenient for workpiece processing. Utility Model Content

[0004] The purpose of the utility model is to provide a machine tool electric spindle structure, which can effectively connect the motor to the machine tool spindle body directly through the connection and disassembly components, the connection components and the limit components, thereby solving the problem that the gears will wear out, resulting in the two gears being unable to complete the meshing, causing the gear transmission to be abnormal, so that the CNC machine tool can work normally, and it helps to enhance the stability of the machine tool spindle, facilitate the processing and use of workpieces, so as to solve the above-mentioned deficiencies in the technology.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a machine tool electric spindle structure, comprising:

[0006] A machine tool spindle box, in which a machine tool spindle body is rotatably mounted, and one end of the machine tool spindle body extends to the outside of the machine tool spindle box;

[0007] The connecting and disassembling assembly comprises a connecting and disassembling cover plate installed at one end of a machine tool spindle box and a threaded groove provided on the connecting and disassembling cover plate and the machine tool spindle box, wherein a limit fixing piece is screwed inside the threaded groove.

[0008] Preferably, a connecting component is provided on the side of the machine tool spindle body close to the connecting and disassembling cover plate, and the connecting component includes a receiving groove opened on the side of the machine tool spindle body close to the connecting and disassembling cover plate, a connecting rod is installed inside the receiving groove, and the end of the connecting rod away from the machine tool spindle body passes through the connecting and disassembling cover plate and the machine tool spindle box and extends to the outside of the connecting and disassembling cover plate.

[0009] Preferably, a limiting assembly is arranged between the connecting rod and the machine tool spindle body, and the limiting assembly includes an L-shaped slot opened inside the machine tool spindle body and an auxiliary fixing block fixed on the connecting rod, and the auxiliary fixing block is located in the L-shaped slot, and the L-shaped slot is connected to the accommodating slot. The auxiliary limiting block can be further limited by the set L-shaped slot, so that the connection between the connecting rod and the machine tool spindle body is more stable and firm, so as to prevent the connecting rod from falling off from the machine tool spindle body.

[0010] Preferably, an auxiliary limiting assembly is provided at one end of the connecting and disassembling cover plate away from the machine tool spindle box, and the auxiliary limiting assembly includes an auxiliary fixing clamping ring sleeved on the connecting rod, and one end of the auxiliary fixing clamping ring is fixed to the connecting and disassembling cover plate.

[0011] Preferably, a clamping assembly is installed on the auxiliary fixing clamping ring, and the clamping assembly includes a plurality of claws installed on the auxiliary fixing clamping ring, and a fixing block is provided between the plurality of claws and the auxiliary fixing clamping ring.

[0012] Preferably, a shock absorbing assembly is arranged inside the machine tool spindle box, and the shock absorbing assembly includes a cavity opened inside the machine tool spindle box and two shock absorbing clamping rings installed inside the cavity. Through the provided shock absorbing clamping rings, the machine tool spindle body and the machine tool spindle box can be effectively damped to avoid vibration of the machine tool spindle body.

[0013] Preferably, a heat dissipation assembly is provided inside the cavity, and the heat dissipation assembly includes a wind wheel structure installed inside the cavity, the wind wheel structure is located between the two shock-absorbing clamping rings, and the two shock-absorbing clamping rings and the wind wheel structure are jointly mounted on the machine tool spindle body.

[0014] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0015] 1. The utility model can effectively connect the motor with the main shaft of the machine tool by providing the connection and disassembly assembly, the connection assembly and the limit assembly, thereby solving the problem that the gears will wear out, resulting in the two gears not being able to complete the meshing, causing the gear transmission to be abnormal, so that the CNC machine tool can work normally, and it helps to enhance the stability of the main shaft of the machine tool and facilitate the processing and use of the workpiece;

[0016] 2. The utility model provides an auxiliary limit assembly and a clamping assembly, so that the motor can be effectively installed and fixed when the motor and the machine tool spindle body are connected, making the motor more stable during use, thereby avoiding the problem that the motor shakes during use and affects the stability of the machine tool spindle body, further improving the stability of the machine tool spindle body and facilitating the processing and use of workpieces. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

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

[0019] Figure 2 For this utility model Figure 1 A partial cross-sectional view of

[0020] Figure 3 This is a schematic diagram of the structure of the wind wheel structure of the utility model;

[0021] Figure 4 This is a structural diagram of the connection and disassembly components of the utility model;

[0022] Figure 5 It is a structural schematic diagram of the auxiliary limiting component of the utility model.

[0023] Description of reference numerals:

[0024] 1. Machine tool spindle box; 2. Machine tool spindle body; 3. Connection and disassembly assembly; 31. Connection and disassembly cover plate; 32. Connection rod; 33. Auxiliary fixing block; 34. Limit fixing piece; 4. Auxiliary limiting assembly; 41. Auxiliary fixing clamp; 42. Fixing block; 43. Clamping claw; 5. Shock-absorbing clamp; 6. Wind wheel structure. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0026] The utility model provides Figure 1-Figure 3The structure of a machine tool electric spindle is shown, comprising: a machine tool spindle box 1, in which a machine tool spindle body 2 is rotatably installed, and one end of the machine tool spindle body 2 extends to the outside of the machine tool spindle box 1; a shock-absorbing assembly is arranged inside the machine tool spindle box 1, and the shock-absorbing assembly comprises a cavity opened inside the machine tool spindle box 1 and two shock-absorbing clamping rings 5 ​​installed inside the cavity; a heat dissipation assembly is arranged inside the cavity, and the heat dissipation assembly comprises a wind wheel structure 6 installed inside the cavity, and the wind wheel structure 6 is located between the two shock-absorbing clamping rings 5, and the two shock-absorbing clamping rings 5 ​​and the wind wheel structure 6 are jointly mounted on the machine tool spindle body 2, wherein the wind wheel structure 6 and the two shock-absorbing clamping rings 5 ​​are both prior art, and the specific details can be referred to the comparative document (publication number CN202022576298.4, and the patent name is a machine tool motor spindle mechanism), which will not be repeated here.

[0027] As can be seen from the above, when in use, the machine tool spindle body 2 is first installed in the machine tool spindle box 1, and one end extends out, and then the machine tool spindle body 2 is driven to rotate by the motor, and then the clamping claws on the machine tool rotate when the machine tool spindle body 2 rotates to complete the machine tool processing of the object, and the two shock-absorbing clamping rings 5 ​​can effectively perform shock-absorbing treatment on the machine tool spindle body 2 to avoid shaking of the machine tool spindle body 2 when rotating, so that the machine tool spindle body 2 can run more smoothly, and then the wind wheel structure 6 can cool the machine tool spindle body 2 to a certain extent when working, so that the machine tool spindle body 2 is at a suitable temperature to work, avoid overheating of the machine tool spindle body 2 during operation, and ensure the normal use of the machine tool spindle body 2.

[0028] refer to Figure 1 , Figure 2 and Figure 4 As shown, a connecting and disassembling assembly 3, the connecting and disassembling assembly 3 includes a connecting and disassembling cover plate 31 installed at one end of the machine tool spindle box 1 and a threaded groove provided on the connecting and disassembling cover plate 31 and the machine tool spindle box 1, and a limit fixing piece 34 is screwed inside the threaded groove; a connecting assembly is provided on the side of the machine tool spindle body 2 close to the connecting and disassembling cover plate 31, the connecting assembly includes a receiving groove provided on the side of the machine tool spindle body 2 close to the connecting and disassembling cover plate 31, a connecting rod 32 is installed inside the receiving groove, and the end of the connecting rod 32 away from the machine tool spindle body 2 passes through the connecting and disassembling cover plate 31 and the machine tool spindle box 1 and extends to the outside of the connecting and disassembling cover plate 31; a limit assembly is provided between the connecting rod 32 and the machine tool spindle body 2, the limit assembly includes an L-shaped card slot provided inside the machine tool spindle body 2 and an auxiliary fixing card block 33 fixed on the connecting rod 32, the auxiliary fixing card block 33 is in the L-shaped card slot, and the L-shaped card slot is connected to the receiving slot.

[0029] Through the above technical solution:

[0030] When in use, first align the connecting rod 32 and the auxiliary fixing block 33 with the L-shaped groove and the receiving groove respectively, and then push the connecting rod 32 to insert the connecting rod 32 and the auxiliary fixing block 33 into the receiving groove and the L-shaped groove respectively. When the connecting rod 32 is inserted into the end, the staff then rotates the connecting rod 32 to make the auxiliary fixing block 33 at the end of the L-shaped groove to achieve clamping and fixing. Then, the connecting and disassembling cover plate 31 is sleeved on the connecting rod 32 and fits with the machine tool spindle box 1 at the same time. Then the staff rotates the limiting fixing piece 34 to make the connecting and disassembling cover plate 31 is installed and fixed with the machine tool spindle box 1, and the connecting rod 32 is further limited and installed to prevent the connecting rod 32 from shaking during use. Subsequently, the connecting rod 32 is used to replace the traditional gear transmission connection method of the machine tool spindle body 2 during use, thereby solving the problem that the gears will wear out, resulting in the two gears being unable to complete the meshing, causing the gear transmission to be abnormal, so that the CNC machine tool can work normally, and it is helpful to enhance the stability of the machine tool spindle body 2 and facilitate the processing and use of the workpiece.

[0031] In addition, refer to Figure 1 Figure 2 and Figure 5 As shown, an auxiliary limit assembly 4 is provided at one end of the connecting and disassembling cover plate 31 away from the machine tool spindle box 1, and the auxiliary limit assembly 4 includes an auxiliary fixing clamping ring 41 sleeved on the connecting rod 32, and one end of the auxiliary fixing clamping ring 41 is fixed to the connecting and disassembling cover plate 31; a clamping assembly is installed on the auxiliary fixing clamping ring 41, and the clamping assembly includes a plurality of claws 43 installed on the auxiliary fixing clamping ring 41, and a fixing block 42 is provided between the plurality of claws 43 and the auxiliary fixing clamping ring 41.

[0032] Through the above technical solution:

[0033] When in use, first install and fix the auxiliary fixing clamp ring 41 and multiple claws 43 through the fixing block 42 to prevent the claws 43 from falling off the auxiliary fixing clamp ring 41, and then fit and fix the auxiliary fixing clamp ring 41 with the connecting and disassembling cover plate 31 to complete the installation of the auxiliary fixing clamp ring 41, and then the motor and the machine tool spindle body 2 are installed between the multiple claws 43, and then the claws 43 are connected to the machine tool body, so that the motor is more stable when in use, to prevent the motor from shaking and affecting the use of the machine tool spindle body 2, and further improve the stability of the machine tool spindle body 2.

[0034] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A machine tool electric spindle structure, characterized in that: include: A machine tool spindle box (1), wherein a machine tool spindle body (2) is rotatably mounted in the machine tool spindle box (1), and one end of the machine tool spindle body (2) extends to the outside of the machine tool spindle box (1); A connection and disassembly assembly (3), the connection and disassembly assembly (3) comprising a connection and disassembly cover plate (31) mounted on one end of a machine tool spindle box (1) and a threaded groove provided on the connection and disassembly cover plate (31) and the machine tool spindle box (1), wherein a limit fixing piece (34) is screwed inside the threaded groove.

2. The electric spindle structure of a machine tool according to claim 1, characterized in that: A connection assembly is provided on a side of the machine tool spindle body (2) close to the connection and disassembly cover plate (31), and the connection assembly comprises a receiving groove provided on a side of the machine tool spindle body (2) close to the connection and disassembly cover plate (31), a connection rod (32) is installed inside the receiving groove, and an end of the connection rod (32) away from the machine tool spindle body (2) passes through the connection and disassembly cover plate (31) and the machine tool spindle box (1) and extends to the outside of the connection and disassembly cover plate (31).

3. The electric spindle structure of a machine tool according to claim 2, characterized in that: A limit assembly is provided between the connecting rod (32) and the machine tool spindle body (2), the limit assembly comprising an L-shaped slot provided inside the machine tool spindle body (2) and an auxiliary fixed block (33) fixed on the connecting rod (32), the auxiliary fixed block (33) being located in the L-shaped slot, and the L-shaped slot being communicated with the accommodating slot.

4. The electric spindle structure of a machine tool according to claim 2, characterized in that: An auxiliary limit assembly (4) is provided at one end of the connecting and disassembling cover plate (31) away from the machine tool spindle box (1), and the auxiliary limit assembly (4) comprises an auxiliary fixing clamp (41) sleeved on the connecting rod (32), and one end of the auxiliary fixing clamp (41) is fixed to the connecting and disassembling cover plate (31).

5. The electric spindle structure for a machine tool according to claim 4, characterized in that: A clamping assembly is installed on the auxiliary fixing clamp ring (41), and the clamping assembly comprises a plurality of clamping claws (43) installed on the auxiliary fixing clamp ring (41), and a fixing block (42) is arranged between the plurality of clamping claws (43) and the auxiliary fixing clamp ring (41).

6. The electric spindle structure for a machine tool according to claim 1, characterized in that: A shock absorbing assembly is arranged inside the machine tool spindle box (1), and the shock absorbing assembly comprises a cavity opened inside the machine tool spindle box (1) and two shock absorbing clamping rings (5) installed inside the cavity.

7. The electric spindle structure for a machine tool according to claim 6, characterized in that: A heat dissipation component is arranged inside the cavity, and the heat dissipation component comprises a wind wheel structure (6) installed inside the cavity, the wind wheel structure (6) is located between the two shock-absorbing clamping rings (5), and the two shock-absorbing clamping rings (5) and the wind wheel structure (6) are jointly sleeved on the machine tool spindle body (2).

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