Compact main shaft movement mechanism

Abstract

The utility model relates to the technical field of main shaft installation, in particular to a compact type main shaft movement mechanism which comprises a base, a shell, a main shaft and a power assembly, the main shaft is arranged in the shell, a containing groove extending in the axial direction of the main shaft is formed in the base, the shell is connected with the base in a sliding mode, and the power assembly comprises a motor, a lead screw and a connecting base. The motor is fixedly connected with the base, an output shaft of the motor is in transmission connection with the input end of the lead screw, the lead screw is in threaded connection with the connecting base, the connecting base is fixedly connected with the shell, through the design of the shell, installation of the main shaft is facilitated, stable movement of the main shaft is achieved under sliding fit of the shell and the base, and the power assembly is arranged between the shell and the base. The lead screw is arranged in the containing groove, the lead screw is located at the corner of the containing groove, linear operation of the main shaft is achieved in a compact space, an installation mechanism of the main shaft has high rigidity, high cutting force can be output, and miniaturization of equipment can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to main shaft installation technical field especially is related to a compact main shaft movement mechanism. BACKGROUND

[0002] The main shaft of the metal cutting machine tool is a central component on the machine tool, which supports the workpiece and the cutter and drives the cutter to cut through rotation. The rotation of the main shaft drives the sharp cutting tool to cut and process the workpiece, which is the main component of the metal cutting machine tool to realize cutting motion. The position of the existing main shaft of the machine tool is adjusted by a mechanical arm, which requires high precision for the installation of the main shaft and a large number of sensors, and the connection strength of the existing main shaft and power mechanism of the machine tool is low, which leads to low stability of the main shaft during adjustment. SUMMARY

[0003] The technical problem to be solved by the utility model is to overcome the low connection strength of the main shaft and the power mechanism of the machine tool in the prior art, which leads to low stability of the main shaft during adjustment, and to provide a compact main shaft movement mechanism.

[0004] The utility model adopts the technical scheme that a compact main shaft movement mechanism, including base, shell, main shaft and power assembly, the main shaft is arranged in the shell, the base is opened along the containing groove of main shaft axial extension, the shell and base slidingly connected, power assembly includes motor, lead screw and connecting seat, motor and base fixed connection, the output shaft of motor and the input end transmission connection of lead screw, lead screw and connecting seat screw connection, connecting seat and shell fixed connection, through the design of shell, the installation of main shaft is convenient, and under the sliding cooperation of shell and base, the stable movement of main shaft is realized, the power assembly is arranged between shell and base, and the lead screw is located in the corner of containing groove, in the compact space, the linear operation of main shaft is realized, the installation mechanism of main shaft has strong rigidity, can output stronger cutting force, also can realize the miniaturization of equipment.

[0005] Further including the movement mechanism includes two sliding assemblies, the shell is connected with the base through the sliding assemblies, and the shell is located between the two sliding assemblies.

[0006] Further including the sliding assembly includes a sliding rail and a plurality of sliding blocks matched with the sliding rail, the extension direction of the sliding rail is the same as the extension direction of the main shaft, the sliding rail is fixedly connected with the shell, the sliding blocks are fixedly connected with the base, and the sliding blocks are slidingly connected with the sliding rail.

[0007] Further including a limiting groove is formed in the inner wall of the containing groove, and the sliding blocks are arranged in the limiting groove.

[0008] Further comprising the sliding assembly further comprises a fixed block, the fixed block and the sliding block one-to-one correspondence, one end of the fixed block and the base fixed connection, the other end and the sliding block fixed connection, the fixed block and the base cooperation clamping its corresponding sliding block.

[0009] Further comprising the inner wall of the accommodating groove is provided with a guide groove extending along the axial direction of the main shaft, and the connecting seat is provided with a guide portion matched with the guide groove, and the guide portion is slidably arranged in the guide groove.

[0010] Further comprising the screw rod and the connecting seat of the power assembly are located in the accommodating groove, and the power assembly is located between the shell and the base.

[0011] The utility model discloses a compact main shaft movement mechanism, through the design of shell, the installation of main shaft is convenient, and under the sliding cooperation of shell and base, the stable movement of main shaft is realized, the power assembly is arranged between shell and base, and the screw rod is located at the corner of accommodating groove, realizes the linear operation of main shaft in the compact space, makes the installation mechanism of main shaft have strong rigidity, can output stronger cutting force, can also realize the miniaturization of equipment. BRIEF DESCRIPTION OF DRAWINGS

[0012] The utility model will be further explained in connection with the drawings and examples.

[0013] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0014] Figure 2 It is the front view structure schematic diagram of the utility model;

[0015] Figure 3 It is the overhead structure schematic diagram of the utility model;

[0016] Figure 4 It is the left view structure schematic diagram of the utility model.

[0017] In the drawing: 1, base, 11, accommodating groove, 12, limit groove, 13, guide groove, 2, shell, 3, main shaft, 4, power assembly, 41, motor, 42, screw rod, 43, connecting seat, 431, guide portion, 5, sliding assembly, 51, sliding rail, 52, sliding block, 53, fixed block. DETAILED DESCRIPTION

[0018] The utility model will be further explained in connection with the drawings and examples.

[0019] As Figure 1It is the structural schematic drawing of the utility model, a compact main shaft movement mechanism, including base 1, shell 2, main shaft 3 and power assembly 4, main shaft 3 is arranged in shell 2, and the accommodating groove 11 along the axial extension of main shaft 3 is set up on base 1, shell 2 and base 1 are slidably connected, power assembly 4 includes motor 41, lead screw 42 and connecting seat 43, motor 41 and base 1 are fixedly connected, the output shaft of motor 41 and the input end of lead screw 42 are drivingly connected, lead screw 42 and connecting seat 43 are threadedly connected, connecting seat 43 and shell 2 are fixedly connected, lead screw 42 is located at the corner of accommodating groove 11, through the design of shell 2, it is convenient for the installation of main shaft 3, and under the sliding fit of shell 2 and base 1, the stable movement of main shaft 3 is realized, power assembly 4 is arranged between shell 2 and base 1, and lead screw 42 is located at the corner of accommodating groove 11, in the compact space, the linear operation of main shaft 3 is realized, so that the installation mechanism of main shaft 3 has strong rigidity, can output stronger cutting force, and also can realize the miniaturization of equipment.

[0020] The lead screw 42 and connecting seat 43 of power assembly 4 are located in accommodating groove 11, and power assembly 4 is located between shell 2 and base 1, motor 31 is located on the outside of the accommodating groove 11 of base 1, and the occupied space is saved.

[0021] As shown in Figure 1 、 Figure 2 , the inner wall of accommodating groove 11 is provided with guide groove 13 extending along the axial direction of main shaft 3, and the connecting seat 43 is provided with guide part 431 matched with guide groove 13, and the guide part 431 is slidably arranged in the guide groove 13, so as to increase the stability of the connecting seat 43 and improve the stability of the movement of the main shaft 3.

[0022] As shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 , the movement mechanism includes two sliding assemblies 5, the shell 2 is connected with the base 1 through the sliding assemblies 5, and the shell 2 is located between the two sliding assemblies 5, so as to increase the connection strength of the shell 2 and improve the stability of the main shaft 3.

[0023] As shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 , the sliding assembly 5 includes slide rail 51 and a plurality of slide blocks 52 matched with the slide rail 51, the extension direction of the slide rail 51 is the same as the extension direction of the main shaft 3, the slide rail 51 is fixedly connected with the shell 2, the slide block 52 is fixedly connected with the base 1, and the slide block 52 is slidably connected with the slide rail 51.

[0024] The inner wall of the accommodating groove 11 is provided with a limiting groove 12, and the sliding block 52 is arranged in the limiting groove 12, so that the installation stability of the sliding block 52 is ensured and the connecting strength of the sliding block 52 is improved.

[0025] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 illustrated, the sliding assembly 5 further comprises a fixing block 53, the fixing block 53 and the sliding block 52 are one-to-one corresponding, one end of the fixing block 53 is fixedly connected with the base 1, the other end is fixedly connected with the sliding block 52, the fixing block 53 and the base 1 cooperate to clamp the corresponding sliding block 52, so that the further fixing of the sliding block 52 is realized, the installation stability of the sliding block 52 is further ensured and the connecting strength of the sliding block 52 is further improved.

[0026] When the main shaft 3 moves, the motor 41 is started to drive the lead screw 42 to rotate, the forward and reverse rotation of the motor 41 is controlled to control the forward movement or the backward movement of the connecting seat 43, the lead screw 42 drives the connecting seat 43 to move when rotating, the connecting seat 43 synchronously drives the movement of the shell 2, the shell 2 drives the axial forward movement or the backward movement of the main shaft 3, the main shaft 3 can be driven to rotate by the remaining power elements (for example, the motor), so that the cutting, drilling and other processes are realized.

[0027] With the above ideal embodiment according to the utility model as the inspiration, through the above description, the related staff can make various changes and modifications without deviating from the technical idea of the utility model. The technical scope of the utility model is not limited to the content in the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. A compact spindle motion mechanism characterized by, The utility model provides a kind of motion mechanism, including base (1), shell (2), main shaft (3) and power assembly (4), the main shaft (3) is arranged in shell (2), the base (1) is opened with along the accommodation slot (11) of main shaft (3) axial extension, the shell (2) and base (1) are slidably connected, the power assembly (4) includes motor (41), lead screw (42) and connecting seat (43), the motor (41) and base (1) are fixedly connected, the output shaft of motor (41) and the input end of lead screw (42) are drivingly connected, the lead screw (42) and connecting seat (43) are threadedly connected, the connecting seat (43) and shell (2) are fixedly connected, and the lead screw (42) is located at the corner of accommodation slot (11).

2. A compact spindle motion mechanism as claimed in claim 1, characterized in that: The motion mechanism includes two sliding assemblies (5), the shell (2) is connected by sliding assembly (5) and base (1), and the shell (2) is located between the two sliding assemblies (5).

3. A compact spindle motion mechanism as claimed in claim 2, characterized in that: The sliding assembly (5) includes slide rail (51) and a plurality of sliders (52) matched with the slide rail (51), the extension direction of the slide rail (51) is the same as the extension direction of the main shaft (3), the slide rail (51) and the shell (2) are fixedly connected, the slider (52) and the base (1) are fixedly connected, and the slider (52) and the slide rail (51) are slidably connected.

4. A compact spindle motion mechanism as claimed in claim 3, characterized in that: The inner wall of the accommodation slot (11) is provided with a limiting slot (12), and the slider (52) is arranged in the limiting slot (12).

5. A compact spindle motion mechanism as claimed in claim 3, characterized in that: The sliding assembly (5) further includes a fixing block (53), the fixing block (53) and the slider (52) one-to-one correspond, one end of the fixing block (53) and the base (1) are fixedly connected, the other end and the slider (52) are fixedly connected, and the fixing block (53) and the base (1) cooperate to clamp the corresponding slider (52).

6. A compact spindle motion mechanism as claimed in claim 1, characterized in that: The inner wall of the accommodation slot (11) is provided with a guide slot (13) extending along the axial direction of the main shaft (3), the connecting seat (43) is protruded to form a guide part (431) matched with the guide slot (13), and the guide part (431) is slidably arranged in the guide slot (13).

7. A compact spindle motion mechanism as claimed in claim 1, characterized in that: The lead screw (42) and the connecting seat (43) of the power assembly (4) are located in the accommodation slot (11), and the power assembly (4) is located between the shell (2) and the base (1).

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