CN222385982U - Double-end-face horizontal boring and milling machine - Google Patents

Abstract

The utility model relates to the technical field of horizontal milling machines, in particular to a double-end horizontal boring and milling machine, which comprises a base and a supporting box, wherein the base is in sliding clamping connection with the surfaces of two supporting boxes through slide ways symmetrically arranged on the surfaces of the base, the supporting box is in sliding clamping connection with the surfaces of a transverse plate through the slide ways arranged on the surfaces of the supporting boxes, one end of the transverse plate penetrates through the surfaces of the supporting boxes through the slide ways arranged on the surfaces of the supporting boxes, the transverse plate is connected with a first screw thread through a threaded hole formed in the surface of the transverse plate, and the double-end horizontal boring and milling machine is characterized in that an output shaft of a first motor rotates to drive a gear to rotate through the cooperation of a quick reset device and an auxiliary supporting device, so that the gear can be matched with teeth on the surfaces of sliding plates, a shell can move, the shell can drive a milling cutter to quickly return to a base point, the milling cutter can be quickly processed next time, and the device can be quickly fed for the second time through quick tool withdrawal and reset of the cutter, and the working efficiency of the device can be improved.

Description

Double-end-face horizontal boring and milling machine

Technical Field

The utility model relates to the technical field of horizontal milling machines, in particular to a double-end-face horizontal boring and milling machine.

Background

The double-end horizontal milling machine is one of milling machines, can mill two side surfaces of a workpiece at the same time, and is suitable for large-sized workpieces which are inconvenient to turn.

For example, the double-end-face horizontal milling machine with the authorized bulletin number of CN220178258U can be lifted and adjusted through a supporting component in a supporting structure, when the placed ground is uneven, the supporting effect of the supporting structure is guaranteed, the structure is simple, the using effect is good, the supporting component can be detached and arranged, the supporting component is convenient to detach and replace, and a wear-resistant pad is arranged at the lower end of the bottom plate, so that the supporting component can be used for a long time. But the device is inconvenient to carry out quick tool withdrawal to the milling cutter, and the device needs to drive the lead screw through the motor to carry out the transmission, makes the milling cutter in the device can carry out slow movement, and when the milling machine works, the feeding needs slowly and accurately, but the device work efficiency can be influenced by slower time of tool withdrawal, and the device levels equipment through the structure simultaneously, makes the device prepare the process comparatively slowly at the during operation, makes the device comparatively inconvenient when using.

Disclosure of utility model

The utility model aims to solve the problems of low working efficiency and inconvenient use of the device, and provides a double-end-face horizontal boring and milling machine.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a horizontal boring and milling machine of bi-polar face, includes base and supporting box, the slide that the base was offered through the surface symmetry slides the joint with two supporting box surfaces, the slide that the supporting box was offered through the surface slides the joint with the diaphragm surface, the slide that the diaphragm one end was offered through the supporting box surface runs through the supporting box surface, the diaphragm passes through the screw hole that the surface was offered and links to each other with first lead screw thread, the both ends of first lead screw all rotate through the bearing with supporting box internal surface and link to each other, diaphragm fixed surface is connected with the slide case, slide case surface slides with the slide surface and links to each other, slide that the slide was offered through the surface slides the slip joint with shell surface salient, the inside quick resetting means that is equipped with of shell, base surface symmetry fixedly is connected with auxiliary support device.

Preferably, the quick resetting device comprises a spring block and a first hydraulic cylinder, the first hydraulic cylinder is fixedly connected with the surface of the sliding plate, the telescopic end of the first hydraulic cylinder is fixedly connected with the spring block, the spring block is fixedly connected with the surface of the clamping block through a slideway formed in the surface of the spring block, the surface of the clamping block is fixedly connected with the two ends of the first spring, the surface of the clamping block is fixedly connected with a first inclined block, the inner surface of the shell is fixedly connected with a second inclined block, the surface of the clamping block is tightly propped against the protruding part of the surface of the sleeve, the surface of the sleeve is fixedly connected with a groove formed in the surface of the sliding plate, the inner surface of the sleeve is fixedly connected with the surface of the vertical rod, and one end of the vertical rod and the inner surface of the sleeve are fixedly connected with the two ends of the second spring respectively.

Preferably, the inner surface of the shell is fixedly connected with a first motor through a bracket, an output shaft of the first motor is rotationally connected with a gear through a reduction gearbox, a protruding part on the surface of the gear is rotationally connected with the inner surface of the shell through a bearing, and the gear is meshed with teeth arranged on the surface of the sliding plate.

Preferably, the shell internal surface fixedly links to each other there is the gyro wheel board, the gyro wheel board surface rotates with the gyro wheel through the round pin axle and links to each other, the gyro wheel rotates with the slide surface and links to each other, slide surface fixedly links to each other there is the lead screw nut, the slide slip joint that lead screw nut and slide case internal surface were seted up.

Preferably, the surface of the slideway box is fixedly connected with the second motor through a bracket, an output shaft of the second motor is fixedly connected with one end of the second screw rod, two ends of the second screw rod are rotatably connected with the inner surface of the slideway box through bearings, and the surface of the second screw rod is in threaded connection with a screw nut.

Preferably, the base surface fixing links to each other has the brace table, brace table surface fixing links to each other has the processing platform, the supporting box surface passes through the support and fixedly links to each other with the third motor, the output shaft of third motor links to each other with the one end of first lead screw is fixed.

Preferably, the base surface symmetry is fixed to be linked to each other and is had the mounting panel, mounting panel fixed surface is linked to each other and is had fixed box, fixed box internal surface is fixed to be linked to each other and is had the second pneumatic cylinder, the flexible end of second pneumatic cylinder runs through fixed box surface and is linked to each other with supporting box fixed surface, and shell fixed surface is linked to each other and is had the processing module, processing module surface and milling cutter fixed link to each other.

Preferably, the auxiliary supporting device comprises a fourth motor and a threaded rod, the fourth motor is fixedly connected with a groove formed in the surface of a supporting table through a bracket, an output shaft of the fourth motor is fixedly connected with the threaded rod, one end of the threaded rod is rotationally connected with a protruding portion on the surface of a base through a bearing, the surface of the threaded rod is in threaded connection with the surface of a rotating shaft block, the surface of the rotating shaft block is in sliding clamping connection with a slideway formed in the surface of the base, the surface of the rotating shaft block is movably connected with one end of a rotating rod through a pin shaft, one end of the rotating rod is movably connected with the protruding portion on the surface of a sliding column through a pin shaft, the sliding column is slidably connected with the surface of a straight rod through a slideway formed in the surface of the sliding column, one end of the straight rod is fixedly connected with the surface of the base, the surface of the sliding column is fixedly connected with the surface of a supporting plate, and the surface of the supporting plate is tightly abutted against the surface of a slideway box.

The double-end horizontal boring and milling machine has the beneficial effects that through the cooperation of the quick reset device and the auxiliary supporting device, the telescopic end of the second hydraulic cylinder stretches to push the supporting box to be far away from a workpiece, so that the milling cutter can be separated from the surface of the workpiece, the telescopic end of the first hydraulic cylinder stretches to drive the spring block to move, the spring block can drive the clamping block to push the sleeve to move, the sleeve can compress the second spring, the sleeve can be clamped with the groove on the surface of the sliding plate, at the moment, the telescopic end of the first hydraulic cylinder continuously stretches slowly, the output shaft of the first motor rotates to drive the gear to rotate, the gear can be matched with teeth on the surface of the sliding plate, the shell can drive the milling cutter to quickly return to a base point, the milling cutter can be quickly processed next time, the cutter can be quickly returned to reset, the device can be quickly fed for the second time, and the working efficiency of the device can be improved.

Through the cooperation of base and auxiliary stay device, the output shaft of third motor rotates and drives first lead screw and rotate, make first lead screw can drive the diaphragm and go up and down, make milling cutter can carry out up-and-down motion, the output shaft of fourth motor rotates and drives the threaded rod and rotate, make the threaded rod can drive the pivot piece and move, make the pivot piece drive the slip post through the bull stick and go up and down, make the slip post can support slideway case elevating movement through the layer board, the output shaft rotation of second motor drives the second lead screw and rotates, make the slide can drive milling cutter and carry out transverse feed, make the work piece can be processed, the base through the plane setting can make equipment comparatively level, can carry out steady support to equipment simultaneously, make the device faster when preparing, can be more convenient when using.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a front cross-sectional view of FIG. 1;

FIG. 5 is a partial front view of FIG. 1;

FIG. 6 is a schematic view of portion A of FIG. 4;

Fig. 7 is a schematic view of part B in fig. 5.

In the figure, 1, a base, 2, a supporting box, 3, a transverse plate, 4, a first lead screw, 5, a third motor, 6, a shell, 7, a quick resetting device, 701, a second inclined block, 702, a vertical rod, 703, a spring block, 704, a sleeve, 705, a second spring, 706, a first hydraulic cylinder, 707, a first spring, 708, a first inclined block, 709, a clamping block, 8, a lead screw nut, 9, an auxiliary supporting device, 901, a fourth motor, 902, a threaded rod, 903, a rotating shaft block, 904, a rotating rod, 905, a straight rod, 906, a sliding column, 10, a processing module, 11, a milling cutter, 12, a processing table, 13, a supporting table, 14, a mounting plate, 15, a fixed box, 16, a second hydraulic cylinder, 17, a sliding plate, 18, a sliding box, 19, a second motor, 20, a roller plate, 21, a roller, 22, a gear, 23, a first motor, 24 and a second lead screw are shown.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

Referring to fig. 1-7, in this embodiment, a double-end horizontal boring and milling machine comprises a base 1 and supporting boxes 2, wherein the base 1 is in sliding clamping connection with the surfaces of the two supporting boxes 2 through slide ways symmetrically arranged on the surfaces, the moving tracks of the supporting boxes 2 on two sides are fixed, the supporting boxes 2 are in sliding clamping connection with the surfaces of a transverse plate 3 through the slide ways arranged on the surfaces of the supporting boxes 2, one end of the transverse plate 3 penetrates through the surfaces of the supporting boxes 2 through the slide ways arranged on the surfaces of the supporting boxes 2, the transverse plate 3 is in threaded connection with a first lead screw 4 through a threaded hole arranged on the surfaces, the first lead screw 4 can drive the transverse plate 3 to lift, two ends of the first lead screw 4 are rotationally connected with the inner surfaces of the supporting boxes 2 through bearings, the surfaces of the transverse plate 3 are fixedly connected with slide way boxes 18, the surfaces of the slide way boxes 18 are in sliding connection with the surfaces of sliding plates 17, the sliding plates 17 are in sliding clamping connection with the protruding parts of the surfaces of the shells 6 through the slide ways arranged on the surfaces of the sliding plates 17, the moving tracks of the shells 6 can be fixed through the slide ways arranged on the surfaces of the sliding plates, a quick resetting device 7 is arranged inside the shells 6, the surfaces of the bases 1 are symmetrically fixedly connected with auxiliary supporting devices 9;

The inner surface of the shell 6 is fixedly connected with a first motor 23 through a bracket, the first motor 23 can meet the working requirement according to the actual requirement, an output shaft of the first motor 23 is rotationally connected with a gear 22 through a reduction gearbox, the first motor 23 can drive the gear 22 to rotate, a protruding part on the surface of the gear 22 is rotationally connected with the inner surface of the shell 6 through a bearing, the gear 22 is meshed with teeth arranged on the surface of a sliding plate 17, the rotation of a gear 202 can be matched with the teeth on the surface of the sliding plate 17, the shell 6 can rapidly move, the inner surface of the shell 6 is fixedly connected with a roller plate 20, the surface of the roller plate 20 is rotationally connected with a roller 21 through a pin shaft, the roller 21 is rotationally connected with the surface of the sliding plate 17, the surface of the sliding plate 17 is fixedly connected with a lead screw nut 8, the lead screw nut 8 is in sliding clamping connection with a sliding way arranged on the inner surface of the sliding box 18, and the lead screw nut 8 can fix the movement track of the sliding plate 17;

The surface of the slideway box 18 is fixedly connected with a second motor 19 through a bracket, the second motor 19 can meet the working requirement according to the actual requirement, the output shaft of the second motor 19 is fixedly connected with one end of a second screw 24, the second motor 19 can drive the second screw 24 to rotate, both ends of the second screw 24 are rotatably connected with the inner surface of the slideway box 18 through bearings, the surface of the second screw 24 is in threaded connection with a screw nut 8, the second screw 24 can drive the screw nut 8 to move, the screw nut 8 can drive the sliding plate 17 to synchronously move, a supporting table 13 is fixedly connected with the surface of the base 1, a processing table 12 is fixedly connected with the surface of the supporting table 13, the surface of the supporting box 2 is fixedly connected with a third motor 5 through a bracket, the third motor 5 can meet the working requirement according to the actual requirement, the third motor 5 can drive the first lead screw 4 to rotate, the output shaft of the third motor 5 is fixedly connected with one end of the first lead screw 4, the surface symmetry of the base 1 is fixedly connected with the mounting plate 14, the surface fixation of the mounting plate 14 is connected with the fixing box 15, the inner surface fixation of the fixing box 15 is connected with the second hydraulic cylinder 16, the second hydraulic cylinder 16 can meet the working requirement according to the actual requirement, the second hydraulic cylinder 16 can drive the supporting box 2 to move, the telescopic end of the second hydraulic cylinder 16 penetrates through the surface of the fixing box 15 and is fixedly connected with the surface of the supporting box 2, the surface fixation of the shell 6 is connected with the processing module 10, the processing module 10 can drive the milling cutter 11 to rotate to process workpieces, the processing module 10 is disclosed in the prior art, the surface of the processing module 10 is fixedly connected with the milling cutter 11, and excessive details are not needed.

Referring to fig. 1-7, the quick resetting device 7 comprises a spring block 703 and a first hydraulic cylinder 706, the first hydraulic cylinder 706 is fixedly connected with the surface of the sliding plate 17, the first hydraulic cylinder 706 can meet the working requirement according to the actual requirement, the first hydraulic cylinder 706 can drive the spring block 703 to move, the telescopic end of the first hydraulic cylinder 706 is fixedly connected with the spring block 703, the spring block 703 is slidably clamped with the surface of the clamping block 709 through a slideway formed in the surface, a moving track of the clamping block 709 is fixed, the surface of the clamping block 709 is fixedly connected with the two ends of the first spring 707, the elasticity coefficient of the first spring 707 can meet the actual requirement, the first spring 707 can enable the clamping block 709 to have a moving space, the surface of the clamping block 709 is fixedly connected with a first inclined block 708, the inner surface of the housing 6 is fixedly connected with a second inclined block 701, when the first inclined block 708 is abutted against the surface of the second inclined block 701, the first inclined block 708 is not abutted against the protruding part of the surface of the sleeve 704 under the action of the inclined plane, the surface of the clamping block 709 is abutted against the surface of the sleeve 704, the surface of the sleeve 704 is fixedly clamped with the groove 17, the surface of the sleeve 704 is fixedly connected with the two ends of the sliding plate 17, the inner surface of the sliding plate 704 is fixedly connected with the inner surface of the sliding plate 702, and the inner surface of the sliding plate 702 can be fixedly connected with the inner surface of the sliding plate 702, namely, the sliding plate 702 is fixedly connected with the inner surface of the sliding plate 702, and the sliding plate 702 is fixedly required to move space.

Referring to fig. 1-7: the auxiliary supporting device 9 comprises a fourth motor 901 and a threaded rod 902, the fourth motor 901 is fixedly connected with a groove formed in the surface of a supporting table 13 through a support, the fourth motor 901 can meet the working requirements according to actual requirements, the fourth motor 901 can drive the threaded rod 902 to rotate, the threaded rod 902 is fixedly connected with an output shaft of the fourth motor 901, one end of the threaded rod 902 is rotatably connected with a protruding portion on the surface of the base 1 through a bearing, the surface of the threaded rod 902 is in threaded connection with the surface of a rotating shaft block 903, the threaded rod 902 can drive the rotating shaft block 903 to move, the surface of the rotating shaft block 903 is in sliding clamping connection with a slideway formed in the surface of the base 1, the surface of the rotating shaft block 903 is movably connected with one end of a rotating rod 904 through a pin shaft, one end of the rotating rod 904 is movably connected with the protruding portion on the surface of the sliding column 906 through a pin shaft, the rotating rod 904 can drive the sliding column 906 to lift, the sliding column 906 is slidably connected with the surface of the sliding column 905, the straight rod 905 can fix the moving track of the sliding column 906, one end of the straight rod 907 is fixedly connected with the surface of the base 1, the sliding column 906 can drive the supporting plate 907 to lift, the box 907 can drive the supporting box 907 to lift, and the supporting box 907 can support the surface of the supporting box 907 can be pushed by 18 to lift the supporting box 18, and the supporting box 907 can be pushed by the supporting box 18 to lift the surface of the supporting box 18, and the supporting box 18 can be kept close to the supporting box 18.

Working principle:

When the workpiece is processed by the double-end milling machine, the workpiece is placed on the surface of the processing table 12 and is fixed by a clamping device and the like, the clamping device is disclosed in the prior art, and is not repeated herein, an external power supply of the two-side processing modules 10 is connected, the two-side processing modules 10 are started to drive the two-side milling cutters 11 to rotate, so that the two-side milling cutters 11 can move to process the two-side surfaces of the workpiece.

The milling cutter processing process comprises the following steps:

The external power supply of the third motor 5 is connected, the output shaft of the third motor 5 is started to rotate to drive the first screw 4 to rotate, the first screw 4 can drive the transverse plate 3 to lift, the milling cutter 11 can move up and down, the external power supply of the fourth motor 901 is connected, the output shaft of the fourth motor 901 is started to rotate to drive the threaded rod 902 to rotate, the threaded rod 903 can drive the rotating shaft block 903 to move, the rotating shaft block 903 can drive the sliding column 906 to lift through the rotating rod 904, the sliding column 906 can support the sliding box 18 through the supporting plate 907 to lift, the external power supply of the second motor 19 is connected, the output shaft of the second motor 19 is started to rotate to drive the second screw 24 to rotate, the second screw 24 can drive the screw nut 8 to move, the screw nut 8 can drive the sliding plate 17 to move, the sliding plate 17 can drive the milling cutter 11 to feed transversely, and the workpiece can be processed.

The retracting process comprises the following steps:

When the feeding of the milling cutter 11 is completed, an external power supply of the second hydraulic cylinder 16 is connected, the expansion end of the second hydraulic cylinder 16 is started to extend to push the supporting box 2 away from a workpiece, the milling cutter 11 can be separated from the surface of the workpiece, the external power supply of the first hydraulic cylinder 706 is connected, the expansion end of the first hydraulic cylinder 706 is started to extend to drive the spring block 703 to move, the spring block 703 can drive the clamping block 709 to push the sleeve 704 to move, the sleeve 704 can compress the second spring 705, the sleeve 704 can be clamped with a groove on the surface of the sliding plate 17, at the moment, the expansion end of the first hydraulic cylinder 706 continuously extends slowly, the external power supply of the first motor 23 is connected, the output shaft of the first motor 23 is started to rotate to drive the gear 22 to rotate, the gear 22 can be matched with teeth on the surface of the sliding plate 17, the housing 6 can move, the housing 6 can drive the milling cutter 11 to quickly return to a base point, at the moment, the expansion end of the first hydraulic cylinder 706 drives the first inclined block 708 and the surface of the second inclined block 709 to push the sleeve 704 to move, the sleeve 704 can compress the second spring 705, the sleeve 709 can be clamped with the first spring 709, and the sleeve 709 can be clamped with the groove on the surface of the sliding plate 17, at the moment, and the surface of the milling cutter 11 can be rapidly processed by the surface of the sliding plate 11.

While the utility model has been shown and described with reference to a preferred embodiment, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the scope of the utility model.

Claims (8)

1. The double-end-face horizontal boring and milling machine comprises a base (1) and a supporting box (2), wherein the base (1) is connected with the surfaces of the two supporting boxes (2) in a sliding manner through slide ways formed in the surface symmetry mode, the double-end-face horizontal boring and milling machine is characterized in that the supporting box (2) is connected with the surface of a transverse plate (3) in a sliding manner through slide ways formed in the surface of the supporting box (2), one end of the transverse plate (3) penetrates through the surface of the supporting box (2) through slide ways formed in the surface of the supporting box (2), the transverse plate (3) is connected with a first screw rod (4) in a threaded manner through threaded holes formed in the surface, two ends of the first screw rod (4) are connected with the inner surface of the supporting box (2) in a rotating manner through bearings, a slide way box (18) is fixedly connected with the surface of the transverse plate (3), the surface of the sliding plate (17) is connected with the surface of a sliding plate (17) in a sliding manner through slide way formed in the surface of the sliding plate (6), a quick resetting device (7) is arranged inside the shell (6), and the surface of the base (1) is fixedly connected with an auxiliary supporting device (9).

2. The horizontal boring and milling machine with two end surfaces according to claim 1, wherein the quick reset device (7) comprises a spring block (703) and a first hydraulic cylinder (706), the first hydraulic cylinder (706) is fixedly connected with the surface of the sliding plate (17), the telescopic end of the first hydraulic cylinder (706) is fixedly connected with the spring block (703), the spring block (703) is slidably clamped with the surface of a clamping block (709) through a slideway formed in the surface, the surface of the clamping block (709) is fixedly connected with two ends of a first spring (707), the surface of the clamping block (709) is fixedly connected with a first inclined block (708), the inner surface of the shell (6) is fixedly connected with a second inclined block (701), the surface of the clamping block (709) is abutted against a protruding part of the surface of the sleeve (704), the surface of the sleeve (704) is clamped with a groove formed in the surface of the sliding plate (17), the inner surface of the sleeve (704) is slidably clamped with the surface of a vertical rod (702), and one end of the vertical rod (702) is fixedly connected with two ends of the second spring (705) respectively.

3. The double-end-face horizontal boring and milling machine according to claim 1, wherein the inner surface of the shell (6) is fixedly connected with a first motor (23) through a bracket, an output shaft of the first motor (23) is rotationally connected with a gear (22) through a reduction gearbox, a protruding part on the surface of the gear (22) is rotationally connected with the inner surface of the shell (6) through a bearing, and the gear (22) is meshed with teeth arranged on the surface of the sliding plate (17).

4. The double-end-face horizontal boring and milling machine is characterized in that a roller plate (20) is fixedly connected to the inner surface of the shell (6), the surface of the roller plate (20) is rotatably connected with a roller (21) through a pin shaft, the roller (21) is rotatably connected with the surface of a sliding plate (17), a screw nut (8) is fixedly connected to the surface of the sliding plate (17), and the screw nut (8) is in sliding clamping connection with a sliding way formed in the inner surface of a sliding way box (18).

5. The double-end-face horizontal boring and milling machine according to claim 4, wherein the surface of the slideway box (18) is fixedly connected with a second motor (19) through a bracket, an output shaft of the second motor (19) is fixedly connected with one end of a second screw rod (24), two ends of the second screw rod (24) are rotatably connected with the inner surface of the slideway box (18) through bearings, and the surface of the second screw rod (24) is in threaded connection with a screw nut (8).

6. The double-end-face horizontal boring and milling machine is characterized in that a supporting table (13) is fixedly connected to the surface of the base (1), a processing table (12) is fixedly connected to the surface of the supporting table (13), the surface of the supporting box (2) is fixedly connected with a third motor (5) through a bracket, and an output shaft of the third motor (5) is fixedly connected with one end of a first screw rod (4).

7. The double-end-face horizontal boring and milling machine is characterized in that the surface of the base (1) is symmetrically and fixedly connected with a mounting plate (14), the surface of the mounting plate (14) is fixedly connected with a fixing box (15), the inner surface of the fixing box (15) is fixedly connected with a second hydraulic cylinder (16), the telescopic end of the second hydraulic cylinder (16) penetrates through the surface of the fixing box (15) and is fixedly connected with the surface of the supporting box (2), the surface of the shell (6) is fixedly connected with a processing module (10), and the surface of the processing module (10) is fixedly connected with a milling cutter (11).

8. The horizontal boring and milling machine with two end surfaces according to claim 1, wherein the auxiliary supporting device (9) comprises a fourth motor (901) and a threaded rod (902), the fourth motor (901) is fixedly connected with a groove formed in the surface of a supporting table (13) through a support, an output shaft of the fourth motor (901) is fixedly connected with the threaded rod (902), one end of the threaded rod (902) is rotatably connected with a protruding portion on the surface of the base (1) through a bearing, the surface of the threaded rod (902) is in threaded connection with the surface of a rotating shaft block (903), the surface of the rotating shaft block (903) is in sliding clamping connection with a slide way formed in the surface of the base (1), the surface of the rotating shaft block (903) is movably connected with one end of a rotating rod (904) through a pin shaft, one end of the rotating rod (904) is movably connected with the protruding portion on the surface of a sliding column (906) through a slide way formed in the surface of the sliding column (906), one end of the straight rod (905) is fixedly connected with the surface of the base (1), the surface of the sliding column (906) is fixedly connected with the surface of the sliding column (906) and the slide way, the surface of the slide column (906) is fixedly connected with the surface of the slide column (905) is abutted against the surface 907 of the surface of the slide way (907) and the surface of the box (18) is abutted against the surface of the slide.