CN116352454A - A turntable and machine tool - Google Patents

Abstract

The invention discloses a turntable, which comprises a turntable main body. The rotation axis of the turntable main body extends along the front and rear directions. The turntable also includes: a mounting box, a first spindle and a vise; The main body of the turntable drives the installation box to rotate, and the axis of rotation of the installation box is set along the front and rear directions; the axis of the output shaft of the first main shaft is perpendicular to the rotation axis of the turntable, and the first main shaft is arranged on the front and back of the installation box. Above, the first spindle is provided with a first clamping opening for inserting the workpiece, the depth of the first clamping opening extends along the axis of the output shaft of the first spindle, and the first spindle drives the clamping The workpiece on the clamping port rotates; the vise is arranged on the installation box, and the vise is provided with a second clamping space, and the vise can change the width of the second clamping space to clamp the workpiece .

Description

A turntable and machine tool

technical field

The invention relates to the field of machining, in particular to a turntable and a machine tool.

Background technique

In order to accurately process parts in multiple directions, multi-axis processing machines with more degrees of freedom are generally used. Part of the multi-axis processing machine tool has an AC-axis turntable, which can drive the workpiece to rotate around the A-axis and the C-axis. For example, a laser milling device provided by Chinese Patent Publication No. CN113199136B. However, when there are special processing requirements, such as processing a rod-shaped workpiece into a non-rotating body, it is not easy to clamp the workpiece processed into a non-rotating body using the spindle and AC-axis turntable of the above-mentioned patent. 1. After the AC-axis turntable clamps the workpiece, it is not convenient to process a single side of the non-rotating workpiece.

Contents of the invention

The technical problem to be solved by the present invention is to solve at least one of the above-mentioned technical problems and provide a turntable capable of clamping workpieces of various shapes.

The solution that the present invention solves its technical problem is:

A turntable, comprising, a turntable main body, the rotation axis of the turntable main body extends along the front-rear direction, the turntable also includes: a mounting box, a first spindle and a vise; the mounting box is arranged on the turntable main body, and the turntable The main body drives the installation box to rotate, and the rotation axis of the installation box is set along the front and rear directions; the axis of the output shaft of the first main shaft is perpendicular to the rotation axis of the turntable, and the first main shaft is set on the installation box, The first spindle is provided with a first clamping port for inserting a workpiece. The depth of the first clamping port extends along the axis of the output shaft of the first spindle. The workpiece on the jaw rotates; the vise is arranged on the installation box, and a second clamping space is provided on the vise, and the width of the second clamping space can be changed by the vise to clamp the workpiece.

As a further improvement of the above technical solution, the first main shaft includes a main shaft base, a driving unit and a clamping mechanism, the driving unit is arranged on the main shaft base or the installation box, and the main shaft base is fixed on the installation box. On the box, the clamping mechanism is arranged on the main shaft base, the clamping mechanism and the main shaft base can rotate relative to each other, the driving unit drives the clamping mechanism to rotate, and the clamping mechanism is The first clamping port is set.

As a further improvement of the above technical solution, the clamping mechanism includes a first shaft body, a pusher assembly, a first spring, a third sleeve, a fourth sleeve and a plurality of first clamping blocks, the first shaft The body is arranged on the main shaft base, the first shaft body and the base can rotate relatively, the driving unit drives the first shaft body to rotate, and the first shaft body is provided with a first clamping One end of the first shaft body opens the first clamping port, the first clamping port communicates with the first clamping channel, and the third sleeve is arranged on the first clamping channel. In the clamping channel, the third sleeve is coaxially connected with the first shaft body, the fourth sleeve is arranged in the third sleeve, and the fourth sleeve faces away from the first shaft. The end of the clamping port is connected to the end of the third sleeve away from the first clamping port through the first spring, and all the first clamping blocks are fixed on the fourth sleeve close to At the end of the first clamping port, the outer diameter surrounded by all the first clamping blocks is larger than the inner diameter of the first clamping port, and the third sleeve is close to the first clamping port The end of the clamping section is called the clamping section, the inner diameter of the clamping section shrinks away from the first clamping opening, all the first clamping blocks abut against the inner wall of the clamping section, the The fourth sleeve and/or the first clamping block are made of elastic material, the pushing assembly is arranged on the main shaft base or the installation box, and the pushing assembly is used to push the third The sleeve moves toward the first clamping opening.

As a further improvement of the above technical solution, the outer wall of the third sleeve is provided with a third chute along the axis direction of the third sleeve, the first shaft body is provided with a third slider, and the third The sliding block is fixedly connected with the first shaft body, the third sliding block is inserted into the third sliding groove, and the third sliding block and the third sliding groove are relatively slidably matched.

As a further improvement of the above technical solution, the fourth sleeve is provided with a plurality of first through holes, and the first through holes extend to the end surface of the fourth sleeve close to the first clamping port, each One first through hole is provided between two adjacent first clamping blocks.

As a further improvement of the above technical solution, the pusher assembly includes a pusher and a push rod, the pusher is arranged on the main shaft base or the installation box, and the pusher drives the pusher along the Moving along the length direction of the first shaft body, the push rod is used to push the third sleeve, the first clamping channel is provided with a limit step, and the limit step is used to limit the first The three sleeves move away from the first clamping port.

As a further improvement of the above technical solution, the pusher includes a first pusher cylinder, a first bearing, a mounting frame, a sliding sleeve, a clamp block and a lever, and the first pusher cylinder is arranged on the main shaft base, The first pushing cylinder is hinged to the main shaft base, the first pushing cylinder is hinged to the installation frame, the installation frame is hinged to the installation box, and the space enclosed by the inside of the installation frame is designed There are two clamping blocks, the two clamping blocks are connected with the installation frame through a rotating shaft, the first bearing is arranged between the two clamping blocks, and the two clamping blocks fix the first Bearing outer ring, the sliding sleeve is arranged in the inner ring of the first bearing, the push rod is inserted into the sliding sleeve, the push rod and the inner wall of the sliding sleeve can slide relatively, and the sliding sleeve A pushing hole is opened on the side of the side, the clamp block is connected to the sliding sleeve through a rotating shaft, the lever is hinged with the sliding sleeve, and the lever protrudes from the pushing hole; the first pushing cylinder The mounting frame is driven to swing back and forth, so that the first bearing forces one end of the lever to move into the pushing hole, and the other end of the lever pushes the push rod to move toward the third sleeve.

As a further improvement of the above technical solution, the vise includes a first base, a second base, a first pressing block, a second pressing block, a first hydraulic cylinder and a second hydraulic cylinder, the first base and the second The two bases are respectively fixed on the installation box, the first hydraulic cylinder and the second hydraulic cylinder are respectively fixed on the first base and the second base, the piston rod of the first hydraulic cylinder and the The piston rods of the second hydraulic cylinder are arranged facing each other, the first pressing block is arranged on the piston rod of the first hydraulic cylinder, and the second pressing block is arranged on the piston rod of the second hydraulic cylinder , A second clamping space is formed between the first pressing block and the second pressing block.

As a further improvement of the above technical solution, the main body of the turntable includes a hydraulic station, the hydraulic station is connected to the rodless chamber of the first hydraulic cylinder through the first pipeline, and the hydraulic station is connected to the rodless chamber of the first hydraulic cylinder through the second pipeline. The rodless chamber of the second hydraulic cylinder, the first pipeline and the second pipeline communicate with each other.

As a further improvement of the above technical solution, take the depth direction of the second clamping space as b and the depth direction of the first main shaft as a, and the a and b are parallel to each other.

The present invention also provides a machine tool, including a frame, a second spindle, and a turntable in any of the above technical solutions, the second spindle is arranged on the frame, and the second spindle and/or the turntable The main body can slide relative to the frame, the first main shaft and the second main shaft can move closer to each other or move away from each other, and the clamping port of the first main shaft and the clamping port of the second main shaft face each other set up.

The beneficial effect of the present invention is that: the first main shaft and vise are respectively installed on the installation box, and the user can rotate the main body of the turntable according to the actual use requirements, thereby adjusting the angle of the first main shaft and the vise, so that the user can choose to use the table The vise or the first spindle, the present invention is provided with a vise on the main body of the turntable, which can facilitate the clamping and processing of some special-shaped workpieces, and the present invention can facilitate the user to clamp various parts of different shapes.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly describe the drawings that need to be used in the description of the embodiments. Apparently, the described drawings are only some embodiments of the present invention, not all embodiments, and those skilled in the art can obtain other designs and drawings based on these drawings without creative work.

Fig. 1 is an axonometric drawing one of the turntable of the present invention;

Fig. 2 is an axonometric drawing two of the turntable of the present invention;

Fig. 3 is the left view of turntable of the present invention;

Fig. 4 is the sectional view of the C-C place in Fig. 3 of the present invention;

Figure 5 is an isometric view of Figure 4 of the present invention.

In the attached drawings: 1-Turntable main body, 2-Installation box, 3-First spindle, 31-Spindle base, 32-Clamping mechanism, 321-First shaft body, 322-Pushing material assembly, 3221-First pushing material Cylinder, 3222-first bearing, 3223-installation frame, 3224-sliding sleeve, 3225-clamp block, 3226-lever, 323-first spring, 324-third sleeve, 3241-third chute, 3242-first Three sliders, 325-the fourth sleeve, 3251-the first through hole, 326-the first clamping block, 4-the vise, 41-the first base, 42-the second base, 43-the first pressing block, 44-the second briquetting block, 45-the first hydraulic cylinder, 46-the second hydraulic cylinder.

Detailed ways

The idea, specific structure and technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments and accompanying drawings, so as to fully understand the purpose, features and effects of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, other embodiments obtained by those skilled in the art without creative efforts belong to The protection scope of the present invention. In addition, all the connection/connection relationships mentioned in this article do not refer to the direct connection of components, but mean that a better connection structure can be formed by adding or reducing connection accessories according to specific implementation conditions. The various technical features in the invention can be combined interactively on the premise of not conflicting with each other.

1 to 5, a turntable, including a turntable body 1, the axis of rotation of the turntable body 1 extends along the front and rear directions, the turntable also includes: a mounting box 2, a first spindle 3 and a vise 4; the mounting box 2 is arranged on the main body of the turntable 1, the main body of the turntable 1 drives the rotation of the installation box 2, and the rotation axis of the installation box 2 is set along the front and rear directions; the axis of the output shaft of the first main shaft 3 is perpendicular to the turntable axis of rotation, the first main shaft 3 is arranged on the installation box 2, the first main shaft 3 is provided with a first clamping port for inserting a workpiece, and the depth of the first clamping port is along the first The axis of the output shaft of the main shaft 3 extends, and the first main shaft 3 drives the workpiece clamped on the first clamping port to rotate; the vise 4 is arranged on the installation box 2, and the vise 4 is provided with In the second clamping space, the vise 4 can change the width of the second clamping space to clamp workpieces.

From the above, it can be obtained that the first main shaft 3 and the vise 4 are installed on the installation box 2 respectively, and the user can rotate the turntable main body 1 according to the actual use requirements, thereby adjusting the angle of the first main shaft 3 and the vise 4 for easy use Those who choose to use the vise 4 or the first spindle 3, the present invention is provided with a vise 4 on the turntable main body 1, which can facilitate the clamping and processing of some special-shaped workpieces. For clamping.

In addition, for some special workpieces, for example, a part of the workpiece is rod-shaped, and the other part of the workpiece is irregular in shape, and the rod-shaped part and the irregular part of the workpiece can rotate relatively, the user can also use the first spindle 3 pairs The rod-shaped part is clamped, and the irregular part is clamped by vise 4.

The first spindle 3 is used to clamp a rod-shaped workpiece. In some embodiments, the first spindle 3 includes a spindle base 31, a drive unit and a clamping mechanism 32, wherein the drive unit is not shown in the accompanying drawings. , the drive unit is arranged on the spindle base 31 or the installation box 2, the spindle base 31 is fixed on the installation box 2, the clamping mechanism 32 is arranged on the spindle base 31, the The clamping mechanism 32 and the spindle base 31 can rotate relative to each other, the driving unit drives the clamping mechanism 32 to rotate, and the clamping mechanism 32 is provided with the first clamping port. The clamping mechanism 32 is used to clamp the rod-shaped workpiece. The driving unit drives the clamping mechanism 32 to rotate, so that the clamping mechanism 32 and the spindle base 31 rotate relative to each other, thereby realizing the rotation of the rod-shaped workpiece installed in the first clamping port.

The clamping mechanism 32 is used for clamping the rod-shaped workpiece. When the drive unit drives the clamping mechanism 32 to rotate, the clamping mechanism 32 drives the rod-shaped workpiece to rotate. In some embodiments, the clamping mechanism 32 includes a first shaft body 321 , a pushing component 322 , a first spring 323 , a third sleeve 324 , a fourth sleeve 325 and a plurality of first clamping blocks 326 , The first shaft body 321 is arranged on the main shaft base 31, the first shaft body 321 can rotate relative to the base, the driving unit drives the first shaft body 321 to rotate, and the first shaft body 321 rotates. A shaft body 321 is provided with a first clamping channel, and one end of the first shaft body 321 is provided with the first clamping port, and the first clamping port is connected to the first clamping channel, so The third sleeve 324 is arranged in the first clamping channel, the third sleeve 324 is connected with the first shaft body 321 by coaxial transmission, and the fourth sleeve 325 is arranged in the third In the sleeve 324, the end of the fourth sleeve 325 facing away from the first clamping port and the end of the third sleeve 324 away from the first clamping port pass through the first spring 323 connected, all the first clamping blocks 326 are fixed on the end of the fourth sleeve 325 close to the first clamping opening, and the outer diameter of all the first clamping blocks 326 is larger than the The inner diameter of the first clamping port, the end of the third sleeve 324 close to the first clamping port is called the clamping section, and the inner diameter of the clamping section goes away from the first clamping port The direction shrinks, all the first clamping blocks 326 abut against the inner wall of the clamping section, the fourth sleeve 325 and/or the first clamping blocks 326 are made of elastic material, the push The material component 322 is arranged on the spindle base 31 or the installation box 2, and the pushing component 322 is used to push the third sleeve 324 to move toward the first clamping port.

Preferably, the fourth sleeve 325 is made of elastic material.

When the rod-shaped workpiece needs to be clamped, the rod-shaped workpiece is inserted into the first clamping passage in the first shaft body 321 from the first clamping port, and the pusher assembly 322 pushes the third sleeve 324 toward the first clamping port. Direction movement, in the process of pushing the third sleeve 324 by the pusher assembly 322, the first spring 323 is compressed, and at the same time, because the inner diameter of the clamping section shrinks away from the first clamping port, the fourth sleeve The first clamping block 326 on the third sleeve 325 is pressed by the inner wall of the clamping section on the third sleeve 324, so that the fourth sleeve 325 is deformed, and the first clamping block 326 shrinks to clamp the bar-shaped workpiece.

When it is necessary to loosen the rod-shaped workpiece, the pusher assembly 322 resets, and the third sleeve 324 resets under the elastic force of the first spring 323, thereby removing the clamping section on the third sleeve 324 from the fourth sleeve 325. When the first clamping block 326 is squeezed, the fourth sleeve 325 resets under the action of its own elasticity.

In actual use, the drive unit includes a motor, and the motor can drive the first shaft 321 to rotate through a belt.

In order to enable the third sleeve 324 and the first shaft body 321 to transmit coaxially, and to allow relative sliding between the first shaft body 321 and the third sleeve 324 , in some embodiments, the third sleeve 324 The outer wall is provided with a third sliding groove 3241 along the axis direction of the third sleeve 324, and the first shaft body 321 is provided with a third sliding block 3242, and the third sliding block 3242 is connected with the first shaft body 321 Fixedly connected, the third sliding block 3242 is inserted into the third sliding slot 3241 , and the third sliding block 3242 and the third sliding slot 3241 are relatively slidably matched. The third slider 3242 and the third chute 3241 can slide relative to each other. When in use, the third sleeve 324 is driven to rotate by the third slider 3242, and the third sleeve 324 is pushed by the pusher assembly 322 or the first spring When the sliding block 323 slides under the restoring force, the third sliding block 3242 slides relative to the third slide groove 3241 .

In actual use, one or more third sliding slots 3241 can be provided, for example, two or three or four can be provided. At least one third sliding block 3242 is disposed in each third slide slot 3241 .

Optionally, the third slider 3242 may be a screw or a pin.

In order to make the fourth sleeve 325 more likely to be deformed and less likely to be damaged during deformation, in some embodiments, the fourth sleeve 325 is provided with a plurality of first through holes 3251 , and the first through holes 3251 Extending to the end surface of the fourth sleeve 325 close to the first clamping port, a first through hole 3251 is provided between every two adjacent first clamping blocks 326 . Through the arrangement of these first through holes 3251, the fourth sleeve 325 can be more easily deformed. In addition, these first through holes 3251 can also provide a certain margin for the deformation of the fourth sleeve 325, reducing the fourth sleeve. Potential for sleeve 325 damage.

The pusher assembly 322 is used to push the third sleeve 324 so that the third sleeve 324 moves toward the first clamping port. In some embodiments, the pusher assembly 322 includes a pusher and a push rod. The pusher is arranged on the main shaft base 31 or the installation box 2, and the pusher drives the push rod to move along the length direction of the first shaft body 321, and the push rod is used to push The third sleeve 324 is provided with a limiting step on the first clamping channel, and the limiting step is used to limit the movement of the third sleeve 324 away from the first clamping opening. When in use, the pushing member drives the push rod to push the third sleeve 324, so that the third sleeve 324 moves toward the first clamping port.

The limit step is set on the side of the third sleeve 324 facing away from the first clamping port. Between the first clamping port and the limit step.

The pusher is used to push the push rod to move along the length direction of the first shaft body 321. In some embodiments, the pusher includes a first pusher cylinder 3221, a first bearing 3222, a mounting frame 3223, a sliding sleeve 3224, clamping block 3225 and lever 3226, the first pushing cylinder 3221 is arranged on the main shaft base 31, the first pushing cylinder 3221 is hinged with the main shaft base 31, the first pushing cylinder 3221 Hinged with the installation frame 3223, the installation frame 3223 is hinged with the installation box 2, the space enclosed by the inside of the installation frame 3223 is provided with two clamping blocks 3225, and the two clamping blocks 3225 are connected with the The installation frame 3223 is connected by a rotating shaft, the first bearing 3222 is arranged between the two clamping blocks 3225, the two clamping blocks 3225 fix the outer ring of the first bearing 3222, and the sliding sleeve 3224 is set In the inner ring of the first bearing 3222, the push rod is inserted into the sliding sleeve 3224, and the push rod and the inner wall of the sliding sleeve 3224 can slide relatively. Material hole, the clamp block 3225 is connected to the sliding sleeve 3224 through a rotating shaft, the lever 3226 is hinged with the sliding sleeve 3224, and the lever 3226 protrudes from the pushing hole; the first pushing cylinder 3221 drives the installation frame 3223 to swing, so that the first bearing 3222 forces one end of the lever 3226 to move into the pushing hole, and the other end of the lever 3226 pushes the push rod to move in the direction of the third sleeve 324 . During use, the inner ring of the first bearing 3222 , the sliding sleeve 3224 and the push rod also rotate along with the rotation of the first shaft body 321 .

The fixed part of the first material pushing cylinder 3221 is hinged to the spindle base 31 , and the movable part of the first material pushing cylinder 3221 is hinged to the installation frame 3223 . When the first pushing cylinder 3221 is shrinking, the first pushing cylinder 3221 drives the mounting frame 3223 to swing in a direction close to the main shaft base 31. Since the clamping block 3225 is connected to the mounting frame 3223 through a rotating shaft, the clamping block 3225 It is used to fix the outer ring of the first bearing 3222 so that the first bearing 3222 moves along the direction of the sliding sleeve 3224 toward the main shaft base 31 until the first bearing 3222 touches the end of the lever 3226 protruding from the pushing hole , at this moment, the first material pushing cylinder 3221 continues to shrink and move, and under the pressure of the inner ring of the first bearing 3222, the end of the lever 3226 protruding from the material pushing hole moves toward the direction of the material pushing hole, while the other end of the lever 3226 One end pushes the push rod to move in the direction of the third sleeve 324 .

When the first pushing cylinder 3221 is extended, the first pushing cylinder 3221 drives the mounting frame 3223 to swing away from the main shaft base 31, so that the first bearing 3222 moves away from the main shaft base 31, and the first bearing 3222 is removed. The pressing force of the bearing 3222 on the lever 3226, under the elastic force of the first spring 323, the third sleeve 324 moves in the direction of the push rod, and the push rod pushes the lever 3226, so that the lever 3226 is pressed into the pushing material by the first bearing 3222 One end of the hole stretches out from the pushing hole again.

The vise 4 can be used to clamp workpieces of various shapes. In some embodiments, the vise 4 includes a first base 41, a second base 42, a first pressing block 43, a second pressing block 44, a first hydraulic cylinder 45 and a second hydraulic cylinder 46, the first The base 41 and the second base 42 are respectively fixed on the installation box 2, and the first hydraulic cylinder 45 and the second hydraulic cylinder 46 are respectively fixed on the first base 41 and the second base 42 Above, the piston rod of the first hydraulic cylinder 45 and the piston rod of the second hydraulic cylinder 46 are arranged facing each other, the first pressure block 43 is arranged on the piston rod of the first hydraulic cylinder 45, the The second pressing block 44 is arranged on the piston rod of the second hydraulic cylinder 46 , and a second clamping space is formed between the first pressing block 43 and the second pressing block 44 .

In order to make the power output by the first hydraulic cylinder 45 and the second hydraulic cylinder 46 identical, so that the workpiece is clamped in the middle of the first hydraulic cylinder 45 and the second hydraulic cylinder 46 by the first hydraulic cylinder 45 and the second hydraulic cylinder 46, In some embodiments, the turntable body 1 further includes a hydraulic station, the hydraulic station is connected to the rodless chamber of the first hydraulic cylinder 45 through a first pipeline, and the hydraulic station is connected to the rodless chamber of the first hydraulic cylinder 45 through a second pipeline. The rodless cavity of the second hydraulic cylinder 46, the first pipeline and the second pipeline communicate with each other. The structure is simple and easy to install. The first pipeline and the second pipeline are connected to each other, so that the pressure in the first pipeline and the second pipeline is the same, so that the pistons of the first hydraulic cylinder 45 and the second hydraulic cylinder 46 The pressure is the same when the rod is extended.

Optionally, the specifications of the first hydraulic cylinder 45 and the second hydraulic cylinder 46 are the same, so as to ensure that the first hydraulic cylinder 45 and the second hydraulic cylinder 46 extend or retract the same distance under the same oil pressure.

Preferably, a first one-way valve is provided between the hydraulic station and the first pipeline, and a second one-way valve is provided between the hydraulic station and the second pipeline. The first one-way valve is used to make the hydraulic oil only one-way The hydraulic oil is delivered from the hydraulic station to the first pipeline in one direction, and the second one-way valve is used to make the hydraulic oil only unidirectionally delivered from the hydraulic station to the second pipeline.

In order to avoid the problem of interference between the vise 4 and the first spindle 3 during use, in some embodiments, the depth direction of the second clamping space is b, and the depth direction of the first spindle 3 is is a, said a and b are parallel to each other. The structure is simple and easy to install. In some embodiments, the vise 4 and the first main shaft 3 are respectively arranged on two adjacent mutually perpendicular surfaces on the installation box 2, which can effectively avoid the first main shaft 3 and the vise 4 There is a problem of interference.

In addition, for some special workpiece processing, for example, when the vise 4 and the first spindle 3 are required to clamp the workpiece at the same time, the workpiece can also be inserted into the first spindle 3 and the vise 4 at the same time.

The present invention also provides a machine tool, including a frame, a second spindle, and a turntable in any of the above technical solutions, the second spindle is arranged on the frame, and the second spindle and/or the turntable The main body 1 can slide relative to the frame, the first main shaft 3 and the second main shaft can move closer to each other or move away from each other, the clamping port of the first main shaft 3 and the clamping port of the second main shaft The mouths are arranged towards each other. Since the above content has been related to the description of the turntable, those skilled in the art should be able to understand it in conjunction with the accompanying drawings, so the description of the turntable will not be repeated here.

The preferred embodiments of the present invention have been described in detail above, but the invention is not limited to the described embodiments, and those skilled in the art can also make various equivalent modifications or replacements without violating the spirit of the present invention. These equivalent modifications or replacements are all within the scope defined by the claims of the present application.

Claims (11)

1. A turntable, comprising a turntable main body (1), is characterized in that, the axis of rotation of the turntable main body (1) extends along the front-to-back direction, and also includes: The installation box (2), the installation box (2) is arranged on the main body (1) of the turntable, the main body of the turntable (1) drives the rotation of the installation box (2), and the rotation of the installation box (2) The axis is set along the front-back direction; The first main shaft (3), the axis of the output shaft of the first main shaft (3) is perpendicular to the rotation axis of the turntable, the first main shaft (3) is arranged on the installation box (2), the first The main shaft (3) is provided with a first clamping port for inserting a workpiece, the depth of the first clamping port extends along the axis of the output shaft of the first main shaft (3), and the first main shaft (3) drives the The workpiece clamped on the first clamping port rotates; vise (4), the vise (4) is set on the installation box (2), the vise (4) is provided with a second clamping space, the vise (4) can change the first 2. The width of the clamping space to clamp the workpiece. 2. The turntable according to claim 1, characterized in that, the first spindle (3) comprises a spindle base (31), a drive unit and a clamping mechanism (32), and the drive unit is arranged on the spindle base (31) or the installation box, the main shaft base is fixed on the installation box (2), the clamping mechanism (32) is arranged on the main shaft base (31), and the clamping mechanism ( 32) is relatively rotatable with the main shaft base (31), the driving unit drives the clamping mechanism (32) to rotate, and the clamping mechanism (32) is provided with the first clamping port. 3. The turntable according to claim 2, characterized in that, the clamping mechanism (32) comprises a first shaft (321), a pushing assembly (322), a first spring (323), a third sleeve (324), a fourth sleeve (325) and a plurality of first clamping blocks (326), the first shaft body (321) is arranged on the main shaft base (31), and the first shaft body ( 321) and the base can be relatively rotated, the driving unit drives the first shaft (321) to rotate, the first shaft (321) is provided with a first clamping channel, the first One end of the shaft body (321) is provided with the first clamping port, the first clamping port is connected to the first clamping channel, and the third sleeve (324) is arranged on the first clamping port. In the clamp channel, the third sleeve (324) is coaxially connected with the first shaft body (321), the fourth sleeve (325) is arranged in the third sleeve (324), The end of the fourth sleeve (325) facing away from the first clamping port and the end of the third sleeve (324) away from the first clamping port pass through the first spring (323 ), all of the first clamping blocks (326) are fixed on the end of the fourth sleeve (325) close to the first clamping port, and all of the first clamping blocks (326) The enclosed outer diameter is larger than the inner diameter of the first clamping port, and the end of the third sleeve (324) close to the first clamping port is called a clamping section, and the inner diameter of the clamping section goes toward The direction away from the first clamping opening shrinks, all the first clamping blocks (326) abut against the inner wall of the clamping section, the fourth sleeve (325) and/or the first The clamping block (326) is made of elastic material, the pusher assembly (322) is arranged on the main shaft base or the installation box (2), and the pusher assembly (322) is used to push the first The three sleeves (324) move towards the direction of the first clamping port. 4. The turntable according to claim 3, characterized in that, the outer wall of the third sleeve (324) is provided with a third chute (3241) along the axis direction of the third sleeve (324), the The first shaft body (321) is provided with a third slider (3242), the third slider (3242) is fixedly connected with the first shaft body (321), and the third slider (3242) is inserted into the Into the third sliding slot (3241), the third sliding block (3242) and the third sliding slot (3241) can be relatively slidably matched. 5. The turntable according to claim 3, characterized in that, the fourth sleeve (325) is provided with a plurality of first through holes (3251), and the first through holes (3251) extend to the The fourth sleeve (325) is close to the end surface of the first clamping port, and a first through hole (3251) is provided between every pair of adjacent first clamping blocks (326). 6. The turntable according to claim 3, characterized in that, the pusher assembly (322) includes a pusher and a pusher, and the pusher is arranged on the main shaft base (31) or the installation box (2), the pushing member drives the push rod to move along the length direction of the first shaft (321), the push rod is used to push the third sleeve (324), the A limit step is provided on the first clamping channel, and the limit step is used to limit the movement of the third sleeve (324) in a direction away from the first clamping opening. 7. The turntable according to claim 6, characterized in that, the pushing member comprises a first pushing cylinder (3221), a first bearing (3222), a mounting frame (3223), a sliding sleeve (3224), a clip block (3225) and lever (3226), the first pushing cylinder (3221) is arranged on the main shaft base (31), and the first pushing cylinder (3221) is hinged with the main shaft base (31) , the first push cylinder (3221) is hinged to the installation frame (3223), the installation frame (3223) is hinged to the installation box (2), and the inside of the installation frame (3223) is surrounded by There are two clamping blocks (3225) in the space, the two clamping blocks (3225) are connected with the installation frame (3223) through the rotating shaft, and the first bearing (3222) is arranged on the two clamping blocks (3225), the two clamping blocks (3225) fix the outer ring of the first bearing (3222), and the sliding sleeve (3224) is arranged in the inner ring of the first bearing (3222), so The push rod is inserted into the sliding sleeve (3224), the push rod and the inner wall of the sliding sleeve (3224) can slide relatively, the side of the sliding sleeve (3224) is provided with a pushing hole, and the clamping block (3225) Connect the sliding sleeve (3224) through a rotating shaft, the lever (3226) is hinged with the sliding sleeve (3224), and the lever (3226) protrudes from the pushing hole; the first The pushing cylinder (3221) is used to drive the installation frame (3223) to swing, so that the first bearing forces one end of the lever (3226) to move into the pushing hole, and the other end of the lever (3226) pushes the push rod Move in the direction of said third sleeve (324). 8. The turntable according to claim 1, characterized in that, the vise (4) comprises a first base (41), a second base (42), a first briquetting block (43), a second briquetting block ( 44), a first hydraulic cylinder (45) and a second hydraulic cylinder (46), the first base (41) and the second base (42) are respectively fixed on the installation box (2), the The first hydraulic cylinder (45) and the second hydraulic cylinder (46) are respectively fixed on the first base (41) and the second base (42), and the piston of the first hydraulic cylinder (45) The rod and the piston rod of the second hydraulic cylinder (46) are arranged towards each other, the first pressing block (43) is arranged on the piston rod of the first hydraulic cylinder (45), and the second pressing block ( 44) It is arranged on the piston rod of the second hydraulic cylinder (46), and a second clamping space is formed between the first pressing block (43) and the second pressing block (44). 9. The turntable according to claim 8, characterized in that, the turntable main body (1) includes a hydraulic station, and the hydraulic station is connected to the rodless cavity of the first hydraulic cylinder (45) through a first pipeline , the hydraulic station communicates with the rodless cavity of the second hydraulic cylinder (46) through a second pipeline, and the first pipeline and the second pipeline communicate with each other. 10. The turntable according to claim 1, characterized in that, taking the depth direction of the second clamping space as b and the depth direction of the first spindle (3) as a, the a and b are mutually parallel. 11. A machine tool, characterized in that it comprises a frame, a second spindle, and a turntable according to any one of claims 1-10, the second spindle is arranged on the frame, the second The main shaft and/or the turntable main body (1) can slide relative to the frame, the first main shaft (3) and the second main shaft can move closer to each other or move away from each other, and the first main shaft (3) The clamping opening of the second main shaft and the clamping opening of the second main shaft are arranged facing each other.

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