CN112570787B

CN112570787B - Cutting equipment for machining mechanical parts

Info

Publication number: CN112570787B
Application number: CN202011351472.3A
Authority: CN
Inventors: 徐再明
Original assignee: Deqing Yiming Machinery Parts Co ltd
Current assignee: Deqing Haijie Packaging Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2022-02-15
Anticipated expiration: 2040-11-26
Also published as: CN112570787A

Abstract

The invention relates to the technical field of cutting, and discloses cutting equipment for machining mechanical accessories, which comprises a base and supporting legs, wherein two supporting rods are fixedly mounted at the upper end of the base, cross rods are fixedly mounted at the upper ends of the two supporting rods, lifting grooves are formed in the surfaces, close to each other, of the two supporting rods, and a lifting rod is arranged between the two supporting rods. According to the invention, through the transmission structure, the position of the cutting structure can be adjusted in time according to the size of the mechanical accessory and the difference of the cutting position, so that the operation of an operator is facilitated; the cutting blade can be inclined by stirring the deflector rod, so that the aim of different cutting angles of different mechanical accessories is fulfilled, and the practicability is high; through fixed knot structure and rotation motor, can make machine parts rotate, make cutting structure can cut out machine parts circularly, reach the circular purpose of needs cutting, convenient to use.

Description

Cutting equipment for machining mechanical parts

Technical Field

The invention relates to the technical field of cutting, in particular to cutting equipment for machining mechanical accessories.

Background

With the development of the modern machining industry, the requirements on the cutting quality and precision are continuously improved, and the requirements on improving the production efficiency, reducing the production cost and having a high-intelligent automatic cutting function are also improved. The development of the numerical control cutting machine has to meet the requirements of the development of the modern mechanical processing industry. The cutting machine is classified into a flame cutting machine, a plasma cutting machine, a laser cutting machine, water cutting, and the like. The laser cutting machine has the fastest efficiency, the highest cutting precision and generally smaller cutting thickness. The plasma cutting machine has fast cutting speed and certain slope of the cut surface. The flame cutting machine is used for carbon steel materials with larger thickness. The cutting machine is applied to metal and nonmetal industries, generally speaking, the nonmetal industries are more delicate, such as a stone cutting machine for cutting stone, a water cutting machine, a sawtooth cutting machine, cutting cloth and plastics, a laser cutting machine for chemical fiber products, a blade type cutting machine, a flame cutting machine for cutting metal materials, a plasma cutting machine, a fraction control cutting machine inside the flame cutting machine, and two major types of manual, small roadster, semi-automatic, pure manual, numerical control, gantry type numerical control cutting machine, cantilever type numerical control cutting machine, table type numerical control cutting machine, intersecting line numerical control cutting machine and the like.

However, in the machine industry, many machine parts needing to be cut are required to be cut into a circular shape or the cutting surfaces need different slopes, so that a cutting device for machining the machine parts is urgently needed.

Disclosure of Invention

The object of the present invention is to provide a cutting device for machining mechanical accessories that solves the problems set forth in the background art described above.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a cutting equipment for processing machinery accessory, includes base and supporting leg, base upper end fixed mounting has two spinal branch vaulting poles, two spinal branch vaulting pole upper end fixed mounting has the horizontal pole, two the lift groove has all been seted up to the one side that the bracing piece is close to each other, two be equipped with the lifter between the bracing piece, both ends card respectively establish the lift inslot in both sides about the lifter, be equipped with the transmission structure on the horizontal pole, the lifter lower extreme is equipped with the cutting structure.

Preferably, the transmission structure comprises a lifting transmission motor, a first gear, a second gear, a rotating rod, a first bevel gear, a second bevel gear, a lifting screw, a horizontal screw, a third gear, a fourth gear and a horizontal transmission motor, the lifting transmission motor is fixedly arranged at the upper end of the cross rod, the first gear is fixedly connected at the output end of the lifting transmission motor, the rotating rod is positioned in the cross rod and is rotatably connected with the cross rod, the second gear is fixedly connected at the upper end of the rotating rod, the second gear is meshed with the first gear, the left end and the right end of the rotating rod are respectively inserted into lifting grooves formed in two sides, the two first bevel gears are respectively and fixedly arranged at two ends of the rotating rod, the two lifting screws are respectively and symmetrically fixedly arranged in the two lifting grooves, the upper end of the lifting screw is fixedly connected with the second bevel gear, the second bevel gear is meshed with the first bevel gears, and the two lifting screw rods respectively penetrate through two ends of the lifting rod and are in threaded connection with two ends of the lifting rod.

Preferably, the lifting rod is provided with a horizontal groove, the horizontal lead screw is positioned in the horizontal groove, two ends of the horizontal lead screw are respectively connected with inner walls of two sides of the horizontal groove in a rotating manner, the third gear is fixedly connected with the horizontal lead screw, the horizontal transmission motor is fixedly installed at the upper end of the lifting rod, the fourth gear is fixedly connected at the output end of the horizontal transmission motor, and the fourth gear is meshed with the third gear.

Preferably, the cutting structure includes I-shaped piece, quadrant, swivelling chute, dwang, wedge, spring, driving lever, turning block, blade and cutting motor, the I-shaped piece is located the horizontal slot and with horizontal slot sliding connection, horizontal lead screw run through the I-shaped piece and with I-shaped piece threaded connection, quadrant fixed mounting is at the I-shaped piece lower extreme, the quadrant has been seted up to the quadrant lower extreme, the quadrant rear end has been seted up swivelling chute and draw-in groove, swivelling chute and draw-in groove intercommunication set up, the quadrant all communicates the setting with swivelling chute and draw-in groove, the dwang is located the quadrant, dwang one end is connected with the rotation of quadrant inner wall, the wedge has been seted up to the dwang rear end, wedge and wedge sliding connection, driving lever fixed mounting is at the wedge rear end, the spring is located the wedge, and the spring both ends respectively with wedge inner wall and wedge fixed connection, the driving lever runs through the draw-in groove and the card is established in the draw-in groove, commentaries on classics piece fixed mounting is at the dwang lower extreme, cutting motor fixed mounting is in one side of commentaries on classics piece, the blade is located the opposite side of commentaries on classics piece, cutting motor output run through the commentaries on classics piece and with blade fixed connection.

Preferably, base upper end fixed mounting has fixed knot to construct, fixed knot constructs including fixed block, dead lever, threaded rod, thread bush, rubber pad and pin rod, the fixed block is equipped with two, two the equal fixed mounting of fixed block is in the base upper end, dead lever and threaded rod are located between two fixed blocks, logical groove has been seted up to the dead lever upper end, the threaded rod runs through logical groove, dead lever and threaded rod all rotate through pin rod and two fixed blocks and are connected, thread bush and threaded rod threaded connection, the thread bush is located the dead lever upper end, the rubber pad is located the lower extreme of dead lever and rotates with the dead lever to be connected.

Preferably, base lower extreme fixed mounting has the rotation motor, the rotation motor output runs through the base, the output fixedly connected with turning block that the rotation motor runs through the base, mechanical parts has been placed on the turning block, mechanical parts upper end and rubber pad laminating setting.

Preferably, the number of the supporting legs is four, and the four supporting legs are fixedly arranged on four corners of the lower end of the base.

Preferably, the upper end of the rotating block is arranged in a circular arc mode, and the upper end of the rotating block is attached to the lower end of the fan-shaped block.

Compared with the prior art, the invention has the beneficial effects that:

(1) the cutting machine enables the lifting transmission motor and the lifting transmission motor to drive the cutting structure to move up, down, left and right through the transmission structure, can adjust the position of the cutting structure in time according to the size of mechanical accessories and different cutting positions, and is convenient for operation of operators.

(2) According to the invention, the cutting blade can be inclined by stirring the deflector rod, different inclined planes can be cut, the application range is wide, the purpose of different cutting angles of different mechanical accessories is achieved, and the practicability is strong.

(3) According to the invention, through the fixing structure and the rotating motor, the mechanical accessory can be fixed on the rotating block through rotating the threaded sleeve, and the mechanical accessory can be rotated through rotating the rotating motor, so that the cutting structure can cut the mechanical accessory into a round shape, the purpose of cutting the round shape is achieved, and the use is convenient.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic front view, partially in section, of the present invention;

FIG. 3 is a rear view of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3;

FIG. 5 is a schematic view of a rotating rod according to the present invention;

fig. 6 is a partial enlarged view of B in fig. 3 according to the present invention.

In the figure: 1. a base; 2. supporting legs; 3. a support bar; 4. a lifting groove; 5. a cross bar; 6. a lifting rod; 7. a transmission structure; 71. a lifting transmission motor; 72. a first gear; 73. a second gear; 74. a rotating rod; 75. a first bevel gear; 76. a second bevel gear; 77. lifting a screw rod; 78. a horizontal groove; 79. a horizontal lead screw; 701. a third gear; 702. a fourth gear; 703. a horizontal drive motor; 8. cutting the structure; 81. an I-shaped block; 82. a sector block; 83. a sector groove; 84. a rotating tank; 85. a card slot; 86. rotating the rod; 87. a wedge-shaped groove; 88. a wedge block; 89. a spring; 801. a deflector rod; 802. rotating the block; 803. a blade; 804. cutting the motor; 9. a fixed structure; 91. a fixed block; 92. a through groove; 93. fixing the rod; 94. a threaded rod; 95. a threaded sleeve; 96. a pin rod; 97. a rubber pad; 10. a mechanical fitting; 11. rotating the motor; 12. and (6) rotating the block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-6, the present invention provides a technical solution: a cutting device for processing mechanical accessories comprises a base 1 and supporting legs 2, the number of the supporting legs 2 is four, the four supporting legs 2 are fixedly arranged on four corners of the lower end of the base 1, two supporting rods 3 are fixedly arranged at the upper end of the base 1, a cross rod 5 is fixedly arranged at the upper ends of the two supporting rods 3, lifting grooves 4 are formed in the surfaces, close to each other, of the two supporting rods 3, a lifting rod 6 is arranged between the two supporting rods 3, the left end and the right end of the lifting rod 6 are respectively clamped in the lifting grooves 4 at the two sides, a transmission structure 7 is arranged on the cross rod 5, a cutting structure 8 is arranged at the lower end of the lifting rod 6, the transmission structure 7 comprises a lifting transmission motor 71, a first gear 72, a second gear 73, a rotating rod 74, a first bevel gear 75, a second bevel gear 76, a lifting screw 77, a horizontal screw 79, a third gear 701, a fourth gear 702 and a horizontal transmission motor 703, the lifting transmission motor 71 is fixedly arranged at the upper end of the cross rod 5, the first gear 72 is fixedly connected at the output end of the lifting transmission motor 71, the rotating rod 74 is positioned in the cross rod 5 and is rotatably connected with the cross rod 5, the second gear 73 is fixedly connected at the upper end of the rotating rod 74, the second gear 73 is meshed with the first gear 72, the left end and the right end of the rotating rod 74 are respectively inserted into the lifting grooves 4 at two sides, the two first bevel gears 75 are respectively fixedly arranged at two ends of the rotating rod 74, the two lifting screw rods 77 are respectively and symmetrically and fixedly arranged in the two lifting grooves 4, the upper ends of the two lifting screw rods 77 are fixedly connected with the second bevel gear 76, the second bevel gear 76 is meshed with the first bevel gear 75, the two lifting screw rods 77 respectively penetrate through two ends of the lifting rod 6 and are in threaded connection with two ends of the lifting rod 6, the lifting rod 6 is provided with the horizontal groove 78, the horizontal screw rod 79 is positioned in the horizontal groove 78, two ends of a horizontal lead screw 79 are respectively connected with the inner walls of two sides of a horizontal groove 78 in a rotating manner, a third gear 701 is fixedly connected with the horizontal lead screw 79, a horizontal transmission motor 703 is fixedly arranged at the upper end of a lifting rod 6, a fourth gear 702 is fixedly connected with the output end of the horizontal transmission motor 703, the fourth gear 702 is meshed with the third gear 701, a lifting transmission motor 71 and the lifting transmission motor 71 are driven by a transmission structure 7 to drive a cutting structure 8 to move up and down and left and right, the position of the cutting structure can be timely adjusted according to the size and the cutting position of a mechanical accessory 10, the operation of an operator is convenient, the cutting structure 8 comprises an I-shaped block 81, a sector-shaped block 82, a rotating groove 84, a rotating rod 86, a wedge-shaped block 88, a spring 89, a deflector rod 801, a rotating block 802, a blade 803 and a cutting motor 804, the I-shaped block 81 is positioned in the horizontal groove 78 and is connected with the horizontal groove 78 in a sliding manner, the horizontal screw 79 penetrates through the I-shaped block 81 and is in threaded connection with the I-shaped block 81, the sector 82 is fixedly arranged at the lower end of the I-shaped block 81, the sector 82 is provided with a sector groove 83 at the lower end, the rear end of the sector 82 is provided with a rotary groove 84 and a clamping groove 85, the rotary groove 84 is communicated with the clamping groove 85, the sector groove 83 is communicated with the rotary groove 84 and the clamping groove 85, the rotary rod 86 is positioned in the sector groove 83, one end of the rotary rod 86 is rotatably connected with the inner wall of the sector groove 83, the rear end of the rotary rod 86 is provided with a wedge-shaped groove 87, the wedge-shaped block 88 is slidably connected with the wedge-shaped groove 87, the deflector rod 801 is fixedly arranged at the rear end of the wedge-shaped block 88, the spring 89 is positioned in the wedge-shaped groove 87, the two ends of the spring 89 are respectively and fixedly connected with the inner wall of the wedge-shaped groove 87 and the wedge-shaped block 88, the deflector rod 801 penetrates through the clamping groove 85 and is clamped in the clamping groove 85, the lower end of the rotary block 802 is fixedly arranged at the lower end of the rotary rod 86, the upper end of the rotary block 802 is arranged in an arc shape, and the upper end of the rotary block 802 is attached to the lower end of the sector 82, the cutting motor 804 is fixedly installed on one side of the rotating block 802, the blade 803 is located on the other side of the rotating block 802, the output end of the cutting motor 804 penetrates through the rotating block 802 and is fixedly connected with the blade 803, the fixed structure 9 is fixedly installed at the upper end of the base 1, the cutting blade 803 can be inclined by stirring the deflector rod 801 through cutting, different inclined planes can be cut, the using range is wide, the purpose of different cutting angles of different mechanical parts 10 is achieved, the practicability is high, the fixed structure 9 comprises fixed blocks 91, fixed rods 93, threaded rods 94, threaded sleeves 95, rubber pads 97 and pin rods 96, the two fixed blocks 91 are arranged, the two fixed blocks 91 are both fixedly installed at the upper end of the base 1, the fixed rods 93 and the threaded rods 94 are located between the two fixed blocks 91, the through grooves 92 are formed in the upper ends of the fixed rods 93, the threaded rods 94 penetrate through the through grooves 92, and the fixed rods 93 and the threaded rods 94 are both rotatably connected with the two fixed blocks 91 through the pin rods 96, thread bush 95 and threaded rod 94 threaded connection, thread bush 95 is located dead lever 93 upper end, rubber pad 97 is located the lower extreme of dead lever 93 and rotates with dead lever 93 to be connected, 1 lower extreme fixed mounting of base has rotation motor 11, it runs through base 1 to rotate motor 11 output, it runs through base 1's output fixedly connected with turning block 12 to rotate motor 11, mechanical parts 10 has been placed on turning block 12, mechanical parts 10 upper end and the laminating setting of rubber pad 97, through fixed knot structure 9 and rotation motor 11, can make mechanical parts 10 fix on turning block 12 through rotating thread bush 95, rotate through rotating motor 11, can make mechanical parts 10 rotate, it is circular to make cutting structure can cut out mechanical parts 10, reach the circular shape purpose of needs cutting, and convenient to use.

When the cutting device is used, firstly, the lifting transmission motor 71 of the transmission mechanism drives the first gear 72 to rotate, the first gear 72 drives the second gear 73 to rotate, the second gear 73 drives the rotating rod 74 to rotate, the rotating rod 74 drives the lifting screw 77 to rotate through the first bevel gear 75 and the second bevel gear 76, the lifting screw 77 drives the lifting rod 6 to move up and down, so that the cutting structure 8 can move up and down, finally, the horizontal transmission motor 703 drives the fourth gear 702 to rotate, the fourth gear 702 drives the third gear 701 to rotate, the third gear 701 drives the horizontal screw 79 to rotate, so that the cutting structure 8 can move left and right, so that the cutting position can be conveniently adjusted, finally, by downwards shifting the shifting rod 801, the shifting rod 801 can drive the wedge-shaped block compression spring 89, so that the shifting rod 801 is positioned in the rotating groove 84, secondly, so that the shifting rod 801 rotates in the rotating groove 84, and then the shifting rod 801 is clamped in different shifting rod clamping grooves 85, the cutting device can rotate the angle, the blade 803 is inclined, the wedge block 88 enables the deflector rod 801 to be clamped in the clamping groove 85 through the elastic force of the spring 89 to prevent movement, the threaded sleeve 95 is enabled to press the fixed rod 93 downwards through rotating the threaded sleeve 95, the rubber pad 97 at the lower end of the fixed rod 93 presses the mechanical accessory 10 placed on the rotating block 12, meanwhile, the motor 11 is rotated to enable the mechanical accessory 10 to rotate, and the circular cutting is facilitated.

In summary, the following results can be obtained: make lift transmission motor 71 and lift transmission motor 71 drive cutting structure 8 and move about from top to bottom through drive structure 7, can be according to the size of machine parts 10 and the difference of cutting position, the position of cutting structure can in time be adjusted, operating personnel's the operation of being convenient for, blade 803 through the cutting can make cutting blade 803 take place the slope through stirring driving lever 801, can cut out different inclined planes, the wide range of use, reach the different cutting angle's of different machine parts 10 purpose, therefore, the clothes hanger is strong in practicability, through fixed knot structure 9 and rotation motor 11, can make machine parts 10 fix on turning block 12 through rotating thread bush 95, rotate through rotating motor 11, can make machine parts 10 rotate, make cutting structure can cut out machine parts 10 circularly, reach the circular shape purpose of needs cutting, and be convenient to use.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A cutting equipment for processing machinery accessory, includes base (1) and supporting leg (2), its characterized in that: the upper end of the base (1) is fixedly provided with two support rods (3), the upper ends of the two support rods (3) are fixedly provided with a cross rod (5), the surfaces, close to each other, of the two support rods (3) are provided with lifting grooves (4), a lifting rod (6) is arranged between the two support rods (3), the left end and the right end of the lifting rod (6) are respectively clamped in the lifting grooves (4) on the two sides, the cross rod (5) is provided with a transmission structure (7), and the lower end of the lifting rod (6) is provided with a cutting structure (8);

the cutting structure (8) comprises an I-shaped block (81), a sector block (82), a rotating groove (84), a rotating rod (86), a wedge block (88), a spring (89), a shifting rod (801), a rotating block (802), a blade (803) and a cutting motor (804), wherein the I-shaped block (81) is positioned in a horizontal groove (78) and is in sliding connection with the horizontal groove (78), a horizontal lead screw (79) penetrates through the I-shaped block (81) and is in threaded connection with the I-shaped block (81), the sector block (82) is fixedly installed at the lower end of the I-shaped block (81), a sector groove (83) is formed in the lower end of the sector block (82), the rotating groove (84) and a clamping groove (85) are formed in the rear end of the sector block (82), the rotating groove (84) is communicated with the clamping groove (85), the sector groove (83) is communicated with the rotating groove (84) and the clamping groove (85), and the rotating rod (86) is positioned in the sector groove (83), one end of the rotating rod (86) is rotatably connected with the inner wall of the fan-shaped groove (83), the rear end of the rotating rod (86) is provided with a wedge-shaped groove (87), the wedge-shaped block (88) is slidably connected with the wedge-shaped groove (87), the shifting rod (801) is fixedly installed at the rear end of the wedge-shaped block (88), the spring (89) is located in the wedge-shaped groove (87), two ends of the spring (89) are respectively fixedly connected with the inner wall of the wedge-shaped groove (87) and the wedge-shaped block (88), the shifting rod (801) penetrates through the clamping groove (85) and is clamped in the clamping groove (85), the rotating block (802) is fixedly installed at the lower end of the rotating rod (86), the cutting motor (804) is fixedly installed on one side of the rotating block (802), the blade (803) is located on the other side of the rotating block (802), and the output end of the cutting motor (804) penetrates through the rotating block (802) and is fixedly connected with the blade (803);

a fixed structure (9) is fixedly arranged at the upper end of the base (1), the fixed structure (9) comprises a fixed block (91), a fixed rod (93), a threaded rod (94), a threaded sleeve (95), a rubber pad (97) and a pin rod (96), two fixing blocks (91) are arranged, the two fixing blocks (91) are fixedly arranged at the upper end of the base (1), the fixed rod (93) and the threaded rod (94) are positioned between the two fixed blocks (91), a through groove (92) is arranged at the upper end of the fixed rod (93), the threaded rod (94) penetrates through the through groove (92), the fixed rod (93) and the threaded rod (94) are rotationally connected with the two fixed blocks (91) through pin rods (96), the threaded sleeve (95) is in threaded connection with the threaded rod (94), the threaded sleeve (95) is positioned at the upper end of the fixed rod (93), the rubber pad (97) is positioned at the lower end of the fixed rod (93) and is rotationally connected with the fixed rod (93);

base (1) lower extreme fixed mounting has rotation motor (11), rotation motor (11) output runs through base (1), the output fixedly connected with turning block (12) that rotation motor (11) run through base (1), mechanical accessories (10) have been placed on turning block (12), mechanical accessories (10) upper end and rubber pad (97) laminating setting.

2. A cutting device for processing mechanical accessories, as claimed in claim 1, characterized in that: the transmission structure (7) comprises a lifting transmission motor (71), a first gear (72), a second gear (73), a rotating rod (74), a first bevel gear (75), a second bevel gear (76), a lifting lead screw (77), a horizontal lead screw (79), a third gear (701), a fourth gear (702) and a horizontal transmission motor (703), wherein the lifting transmission motor (71) is fixedly arranged at the upper end of the cross rod (5), the first gear (72) is fixedly connected at the output end of the lifting transmission motor (71), the rotating rod (74) is positioned in the cross rod (5) and is rotatably connected with the cross rod (5), the second gear (73) is fixedly connected at the upper end of the rotating rod (74), the second gear (73) is meshed with the first gear (72), the left end and the right end of the rotating rod (74) are respectively inserted into the lifting grooves (4) at the two sides, two first bevel gear (75) fixed mounting is two at the both ends of bull stick (74) respectively lifting screw (77) symmetry fixed mounting respectively in two lifting grooves (4), two lifting screw (77) upper end fixedly connected with second bevel gear (76), second bevel gear (76) are connected with first bevel gear (75) meshing, two lifting screw (77) run through the both ends of lifter (6) respectively and with lifter (6) both ends threaded connection.

3. A cutting device for processing mechanical accessories, as claimed in claim 2, characterized in that: horizontal groove (78) have been seted up on lifter (6), horizontal lead screw (79) are located horizontal groove (78), horizontal lead screw (79) both ends rotate with horizontal groove (78) both sides inner wall respectively and are connected, third gear (701) and horizontal lead screw (79) fixed connection, horizontal drive motor (703) fixed mounting is in the upper end of lifter (6), fourth gear (702) fixed connection is at the output of horizontal drive motor (703), fourth gear (702) are connected with third gear (701) meshing.

4. A cutting device for processing mechanical accessories, as claimed in claim 1, characterized in that: the number of the supporting legs (2) is four, and the four supporting legs (2) are fixedly arranged on four corners of the lower end of the base (1).

5. A cutting device for processing mechanical accessories, as claimed in claim 1, characterized in that: the upper end of the rotating block (802) is arranged in a circular arc mode, and the upper end of the rotating block (802) is attached to the lower end of the fan-shaped block (82).