CN116000335A

CN116000335A - Adjustable handle of a knife structure of ring flange

Info

Publication number: CN116000335A
Application number: CN202310123234.4A
Authority: CN
Inventors: 赵忠
Original assignee: Shandong Dongwei Petrochemical Technology Co ltd
Current assignee: Shandong Dongwei Petrochemical Technology Co ltd
Priority date: 2023-02-16
Filing date: 2023-02-16
Publication date: 2023-04-25

Abstract

The invention discloses a flange plate adjustable type knife handle structure, which particularly relates to the technical field of machining, and comprises a fixed flange, wherein a fixed pipe is arranged at the upper end of the fixed flange, two first rotating rods are arranged inside the fixed pipe, an adjusting device is arranged between the two first rotating rods, a lathe tool is arranged at one end, far away from the fixed flange, of the adjusting device, the adjusting device comprises an adjusting block, four first fixed blocks are arranged at one end, far away from the fixed flange, of the adjusting block, first fixed rods are arranged at one ends, far away from the adjusting block, of the four first fixed blocks, a third fixed block is jointly arranged between the two first fixed rods, close to the first rotating rods, of each first fixed block, and a driving device is arranged between the two third fixed blocks. According to the flange plate adjustable type knife handle structure, the design of the adjusting device is adopted, so that the device can conveniently and rapidly process round and spherical workpieces, and the stability of the device is improved while the applicability of the device is improved.

Description

Adjustable handle of a knife structure of ring flange

Technical Field

The invention relates to the technical field of machining, in particular to a flange plate adjustable knife handle structure.

Background

The conventional cutting tool (such as reamer) can generate the phenomenon of cutting edge runout in the process of machining, the machining quality is seriously affected after the cutting edge runout reaches a certain degree, so that the cutting edge runout needs to be controlled, the control method in the conventional technology is to ensure the cutting edge runout by depending on the self precision of the cutting tool and a tool shank connected with a main shaft in the process of machining, and the control method has the defects that the cutting edge runout is increased along with the abrasion of the cutting tool or the tool shank in use, so that the machining precision is reduced, and sometimes, the tool shank arranged on a machine tool generates radial runout or axial deviation due to the existence of errors of the machine tool.

Chinese patent document CN 20955 discloses an adjustable handle of a knife structure of ring flange, including ring flange a, one side of ring flange a is provided with ring flange B, the inside intermediate position fixedly connected with installation piece of ring flange a, one side lateral wall fixedly connected with long straight shank of installation piece, four screw thread groove a has evenly been seted up to ring flange a's inside, four screw thread groove a's internal thread rotates and is connected with adjusting bolt pole a, four screw thread groove B has been vertically seted up to ring flange B's inside, four screw thread groove B's internal thread rotates and is connected with adjusting bolt pole B, the mounting groove has been seted up to ring flange B's inside intermediate position, the one end that the installation piece was kept away from to long straight shank is pegged graft in the inside of mounting groove, the lateral wall fixedly connected with fixture block of long straight shank, the upper surface of fixture block passes through buffer spring fixedly connected with diaphragm. The device can not carry out circular, spherical processing to the work piece simply swiftly when using, and the suitability and the stability of device are relatively poor.

Disclosure of Invention

The invention mainly aims to provide a flange plate adjustable knife handle structure which can effectively solve the problems in the background.

In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:

the utility model provides a ring flange adjustable handle of a knife structure, includes the fixed flange, the fixed flange upper end is equipped with the fixed pipe, the fixed intraductal two first dwang that are equipped with, is equipped with adjusting device between two first dwang, adjusting device keeps away from fixed flange one end and is equipped with the lathe cutter;

the adjusting device comprises an adjusting block, one end, away from a fixed flange, of the adjusting block is provided with four first fixing blocks, one end, away from the adjusting block, of the first fixing blocks is provided with first fixing rods, one end, away from the adjusting block, of the first fixing rods is provided with second fixing blocks jointly, a third fixing block is jointly arranged between two first fixing rods, close to a first rotating rod, of each first fixing rod, and an active device is arranged between the third fixing blocks.

Preferably, the driving device comprises two rotating devices, a first sliding block is arranged between the two rotating devices, a fixed groove is formed in the first sliding block, a driven block is arranged in the fixed groove, an adjusting rod is arranged at the left end of the driving device, the adjusting rod penetrates through the first sliding block and the fixed pipe, first threads matched with the driven block are arranged in the middle of the outer surface of the adjusting rod, second threads matched with the first sliding block are arranged at the left part and the right part of the outer surface of the adjusting rod, and the directions of the first threads and the threads of the second threads are opposite.

Preferably, the driven block comprises a second sliding block, one end, close to the two rotating devices, of the second sliding block is provided with a second fixing rod, a first gear is arranged in the middle of the outer surface of the second fixing rod, and the second sliding block slides in the fixing groove.

Preferably, the rotating device comprises a rotating block, a sliding groove is formed in one end, close to the first sliding block, of the rotating block, the sliding groove is arc-shaped, a mounting groove is formed in the upper portion of the inner surface of the sliding groove, and a transmission device is arranged in the mounting groove.

Preferably, the transmission device comprises two transmission gears, the two transmission gears are installed in an installation groove, two supporting blocks matched with the sliding grooves are arranged on one side surface of the installation groove, which is close to the first sliding block, synchronous toothed belts are wound between the two transmission gears and the two supporting blocks together, a transmission rod is arranged in the installation groove, the transmission rod penetrates through the rotating blocks, a second gear is arranged on the outer surface of the transmission rod, the second gear is located in the installation groove, and the synchronous toothed belts are meshed with the second gear.

Preferably, the first gear is always meshed with the synchronous toothed belt, and the second fixing rod slides in the sliding groove.

Preferably, the transmission rod is fixedly connected with the third fixed block.

Preferably, the lathe tool comprises a third fixed rod, one end of the third fixed rod, which is far away from the adjusting device, is provided with a mounting rod, an arc-shaped groove is formed in one side, which is far away from the third fixed rod, of the front end of the mounting rod, a third sliding block is arranged on the rear side of the arc-shaped groove, a lathe tool is arranged on one side, which is far away from the third fixed rod, of the front end of the third sliding block, a first limit groove is formed in the front end of the third sliding block, a second limit groove is formed in the rear side of an inner cavity of the first limit groove, an adjusting bolt is arranged on the rear side of the arc-shaped groove, and the adjusting bolt penetrates through the second limit groove.

Preferably, the whole outer surface of the device is sprayed with a layer of antirust paint.

Compared with the prior art, the invention has the following beneficial effects: according to the invention, the design of the adjusting device is adopted, the first sliding block moves leftwards or rightwards through rotating the adjusting rod, the driven block moves in the opposite direction through threaded connection with the second threads, so that the stability of the device is increased, the first gear drives the synchronous toothed belt to rotate through meshing with the synchronous toothed belt when the second fixed rod slides in the sliding groove, the synchronous toothed belt drives the transmission rod to rotate through meshing with the second gear, the transmission rod enables the rotating device to rotate between the two third fixed blocks through rotation, the driving device moves forwards and backwards through rotation of the adjusting rod, and the adjusting block also rotates by taking the first rotating rod as an axis when the rotating device rotates, so that a lathe tool can simply and rapidly process round and spherical workpieces, and the stability of the device is increased while the applicability of the device is increased.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a front view of the overall structure of the present invention;

FIG. 3 is a schematic view of the structure of the adjusting device of the present invention;

FIG. 4 is a schematic diagram of an active device according to the present invention;

FIG. 5 is a partial cross-sectional view of an active device of the present invention;

FIG. 6 is an enlarged view of FIG. 5A in accordance with the present invention;

FIG. 7 is an enlarged view of FIG. 5B in accordance with the present invention;

FIG. 8 is a schematic view of the structure of the driven block of the present invention;

FIG. 9 is a schematic view of a turning device according to the present invention;

FIG. 10 is a front view of the transmission of the present invention;

FIG. 11 is a schematic view of the structure of the lathe tool of the present invention;

fig. 12 is a schematic view of the whole device of the invention when the adjusting device is tilted.

In the figure: 1. a fixed flange; 2. an adjusting device; 3. lathe tool; 4. an active device; 5. a rotating device; 11. a fixed tube; 12. a first rotating lever; 21. an adjusting block; 22. a first fixed block; 23. a first fixing rod; 24. a second fixed block; 25. a third fixed block; 31. a third fixing rod; 32. a mounting rod; 33. a third slider; 34. turning tool of lathe; 35. a first limit groove; 36. the second limit groove; 37. adjusting a bolt; 41. a first slider; 42. a fixing groove; 43. a driven block; 431. a second slider; 432. a second fixing rod; 433. a first gear; 44. an adjusting rod; 441. a first thread; 442. a second thread; 51. a rotating block; 52. a sliding groove; 53. a mounting groove; 54. a transmission device; 541. a transmission gear; 542. a support block; 543. a synchronous toothed belt; 544. a second gear; 545. a transmission rod.

Detailed Description

The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.

As shown in fig. 1-12, an adjustable shank structure for a flange comprises a fixing flange 1, wherein the fixing flange 1 is used for connecting with a lathe, the flange is simply called a flange, which is generally a disc-like metal body, a plurality of fixing holes are formed in the periphery of the disc-like metal body for connecting other things, the adjustable shank structure is quite wide in mechanical application, and the flange is called a flange, a flange or a flange, a part for connecting a pipe and a pipe, a hole is formed in the flange, bolts are used for tightly connecting the two flanges, gaskets are used for sealing the flanges, the flange is a disc-like part which is used in pairs in pipeline engineering. In pipeline engineering, flanges are mainly used for connecting pipelines, a flange plate is respectively arranged at the end heads of two pipelines to be connected, a wire flange can be used for a low-pressure pipeline, a welding flange with the pressure of more than 4 kg is used, a sealing gasket is added between the two flange plates, and then the two flange plates are fastened by bolts. The upper end of the fixed flange 1 is provided with a fixed pipe 11, the connection relationship between the fixed pipe 11 and the fixed flange 1 is fixed connection, and the fixed pipe 11 plays a role in supporting the first rotating rod 12 and the adjusting rod 44.

Specifically, two first rotating rods 12 are arranged in the fixed pipe 11, the connection relation between the first rotating rods 12 and the fixed pipe 11 is fixed connection, an adjusting device 2 is arranged between the two first rotating rods 12, the connection relation between the adjusting device 2 and the first rotating rods 12 is rotary connection, the first rotating rods 12 play a role in supporting the adjusting device 2, a lathe tool 3 is arranged at one end, far away from the fixed flange 1, of the adjusting device 2, and the connection relation between the adjusting device 2 and the lathe tool 3 is fixed connection;

the adjusting device 2 comprises an adjusting block 21, the connecting relation between the adjusting block 21 and the first rotating rod 12 is rotary connection, one end of the adjusting block 21 far away from the fixed flange 1 is provided with four first fixed blocks 22, the connecting relation between the first fixed blocks 22 and the adjusting block 21 is fixed connection, the first fixed blocks 22 play a role in supporting and limiting the first fixed blocks 23 and the third fixed blocks 25, one end of the first fixed blocks 22 far away from the adjusting block 21 is provided with first fixed rods 23, the connecting relation between the first fixed blocks 22 and the first fixed rods 23 is fixed connection, the first fixed rods 23 play a role in supporting and fixing the third fixed blocks 25 and the second fixed blocks 24, one end of the four first fixed rods 23 far away from the adjusting block 21 is jointly provided with second fixed blocks 24, the connecting relation between the second fixed blocks 24 and the first fixed rods 23 is fixed connection, the connecting relation between the second fixed blocks 24 and the lathe tool 3 is fixed connection, the second fixed blocks 24 play a role in fixing the tool 3, each time, the two first fixed blocks 23 close to the first rotating rod 12 are provided with a joint device and the third fixed blocks 25 are actively connected, and the active fixed device is actively connected between the two fixed blocks 25 and the third fixed device 4.

Further, in order to make the driving device 4 perform corresponding movement and rotation when the adjusting block 21 rotates, thereby further increasing the stability of the device, as shown in fig. 4-8, the driving device 4 includes two rotating devices 5, a first sliding block 41 is disposed between the two rotating devices 5, the connection between the rotating devices 5 and the first sliding block 41 is sliding connection, the connection between the rotating devices 5 and the third fixed block 25 is rotating connection, a fixed slot 42 is formed in the first sliding block 41, a driven block 43 is disposed in the fixed slot 42, the connection between the driven block 43 and the fixed slot 42 is sliding connection, the fixed slot 42 plays a role of limiting and supporting the driven block 43, an adjusting rod 44 is disposed at the left end of the first sliding block 41, and the adjusting rod 44 penetrates through the first sliding block 41 and the fixed tube 11, the connection between the adjusting rod 44 and the first sliding block 41 is threaded connection, the connection between the adjusting rod 44 and the fixed tube 11 is rotating connection, a first thread 441 adapted to the driven block 43 is disposed in the middle of the outer surface of the adjusting rod 44, and the left and right parts of the adjusting rod 44 are disposed at the outer surfaces of the first thread 441 adapted to the first sliding block 41, and the driven block is further threaded 442 is threaded to rotate in the opposite direction to the first thread 442 or rotate in the opposite direction to the second thread 442 when the first sliding block is moved to the first sliding block 41.

Specifically, the driven block 43 includes a second sliding block 431, one end of the second sliding block 431, which is close to the two rotating devices 5, is provided with a second fixing rod 432, the connection relationship between the second fixing rod 432 and the second sliding block 431 is a fixed connection, a first gear 433 is disposed in the middle of the outer surface of the second fixing rod 432, the second sliding block 431 slides in the fixing groove 42, and the second fixing rod 432 slides in the sliding groove 52.

Further, in order to enable the driven device 4 to rotate correspondingly, as shown in fig. 9-10, the rotating device 5 includes a rotating block 51, a connection relationship between the rotating block 51 and the third fixed block 25 is a rotating connection, a sliding groove 52 is provided at one end of the rotating block 51, which is close to the first sliding block 41, the sliding groove 52 is arc-shaped, the second fixed rod 432 slides in the sliding groove 52, the sliding groove 52 plays a role in limiting and supporting the second fixed rod 432, a mounting groove 53 is provided at an upper part of an inner surface of the sliding groove 52, a transmission device 54 is provided in the mounting groove 53, the transmission device 54 includes two transmission gears 541, the two transmission gears 541 are mounted in the mounting groove 53, the connection relationship between the transmission gears 541 and the mounting groove 53 is a rotating connection, two supporting blocks 542 matched with the sliding groove 52 are provided at one side of the mounting groove 53, which is close to the first sliding block 41, and the connection relationship between the supporting blocks 542 and the mounting groove 53 is a fixed connection.

Specifically, a synchronous toothed belt 543 is wound between the two driving gears 541 and the two supporting blocks 542, the synchronous toothed belt 543 is called a timing belt for short, and is similar to a common V belt, a flat belt and other belt driving modes, and is a flexible driving mode, the synchronous toothed belt takes a steel wire rope or a glass fiber rope as a strong layer, polyurethane or chloroprene rubber is coated on the outer surface of the synchronous toothed belt, the inner Zhou Zhicheng tooth shape of the belt is meshed with a toothed belt wheel, and the deformation of the strong layer after bearing is small, so that the peripheral section of the toothed belt is kept unchanged, and the belt wheel do not slide relatively, thereby guaranteeing synchronous driving and constant transmission ratio. The synchronous belt body consists of a strong layer, a toothed layer, a wrapping layer and an adhesive layer, wherein the strong layer is a core rope with high tensile strength, usually a glass fiber, a polyaramid fiber or a steel wire rope subjected to surface treatment, the layer mainly bears the tensile force of load, the toothed layer is a part of the synchronous belt, which is contacted with a belt wheel, the tooth root line of the synchronous belt is approximately positioned at the position of a node line, no change of the circumference section during bending is ensured, the tooth shape of the synchronous belt must be accurate and difficult to deform, the motion can be accurately transmitted, the wrapping layer is wrapped on the whole toothed layer, the functions of protecting and cracking prevention are realized, and the adhesive layer is also called a belt back and has the main functions of adhering the tensile material of the strong layer at the node line position of the belt and protecting the tensile material. The installation groove 53 is internally provided with a transmission rod 545, the transmission rod 545 penetrates through the rotating block 51, the connection relationship between the transmission rod 545 and the rotating block 51 is rotary connection, the outer surface of the transmission rod 545 is provided with a second gear 544, the second gear 544 is positioned in the installation groove 53, the connection relationship between the second gear 544 and the transmission rod 545 is fixed connection, and the synchronous toothed belt 543 is meshed with the second gear 544.

Further, in order to enable the lathe tool to be adjusted, the applicability of the device is further improved, as shown in fig. 11, the lathe tool 3 comprises a third fixing rod 31, the third fixing rod 31 is fixedly installed at the upper end of the second fixing block 24, one end of the third fixing rod 31, which is far away from the adjusting device 2, is provided with a mounting rod 32, the connection relationship between the mounting rod 32 and the third fixing rod 31 is fixedly connected, one side, which is far away from the third fixing rod 31, of the front end of the mounting rod 32 is provided with an arc-shaped groove, the rear side of the arc-shaped groove is provided with a third sliding block 33, the connection relationship between the third sliding block 33 and the arc-shaped groove is in sliding connection, one side, which is far away from the third fixing rod 31, of the front end of the third sliding block 33 is provided with a lathe tool 34, the lathe tool 34 and the third sliding block 33 are connected through bolts, the lathe tool 34 is convenient to replace, the lathe tool is a tool with a cutting part, which is used for turning, the lathe tool is one of the most widely applied tool in cutting, the working part is a part for generating and processing the cutting tool, and comprises a cutting edge, a structure for breaking or rolling the lathe tool, a chip removing space, a chip removing or a cutting edge, a channel, a main cutting edge, a secondary edge, a cutting edge, a main edge, and a cutting edge. The combination of the cutting portion and the shank portion (i.e., the clamping portion) of the turning tool is mainly monolithic, welded, mechanically clamped, and welded-mechanically clamped. The mechanical clamping type turning tool can avoid stress and cracks generated by the hard alloy blade during high-temperature welding, and the tool handle can be used for multiple times. The mechanically clamped turning tool is generally a mechanically clamped turning tool with a rotatable blade and a blade clamped by a screw and a pressing plate. The knife edge can be turned for continuous use after being dulled, and the stopping and tool changing time is short, so that the rapid development is achieved.

Further, in order to enable the third sliding block 33 to slide, the problem of adjusting the angle of the lathe tool 34 can be solved, applicability of the device is further improved, the front end of the third sliding block 33 is provided with a first limit groove 35, the rear side face of the inner cavity of the first limit groove 35 is provided with a second limit groove 36, the rear side face of the arc groove is provided with an adjusting bolt 37, the adjusting bolt 37 penetrates through the second limit groove 36, the connecting relation between the adjusting bolt 37 and the arc groove is in threaded connection, friction force between the third sliding block 33 and the arc groove is reduced by rotating the adjusting bolt 37, then the third sliding block 33 is slid, the angle of the lathe tool 34 is adjusted, friction force between the third sliding block 33 and the arc groove is increased by rotating the adjusting bolt 37, and the third sliding block 33 is further fixed relative to the mounting rod 32.

Further, in order to increase the service life of the device, a layer of antirust paint is sprayed on the whole outer surface of the device, wherein the antirust paint is a paint capable of protecting the metal surface from chemical or electrochemical corrosion of atmosphere, seawater and the like. The paint is mainly divided into two major categories, namely physical and chemical antirust paint, wherein the former forms a compact paint film by proper matching of pigment and paint, so as to prevent invasion of corrosive substances, such as iron oxide red, aluminum powder, graphite antirust paint and the like; the latter relies on the chemical rust inhibiting effect of rust inhibiting pigments, such as red lead, zinc yellow rust inhibiting paint, etc. The antirust paint is used for antirust of bridge, ship, pipeline and other metals, the used antirust paint is approximately oily and water, the oily antirust paint makes the surface of the material difficult to remove, the oily antirust paint is rarely used, the oily antirust paint is convenient to use and low in cost, but has great harm to operators due to the fact that the oily antirust paint contains nitrite, chromate and other toxic substances, the national use is restricted, and the product has single performance and cannot meet the antirust requirement of the magnetic alloy material. The aqueous metal antirust paint is prepared by compounding a metal powerful chelating agent phytate serving as a main component with other aqueous auxiliary agents. The phytic acid ester is a natural nontoxic organic chemical product extracted from grain crops, and can be rapidly combined with metal on the surface to form a layer of compact monomolecular complex protective film when the phytic acid ester is used as a rust inhibitor of a magnetic material, so that the corrosion of the metal can be effectively inhibited. The surface of the material treated by the product keeps the primary color, and can enter the next working procedures such as coating and the like without washing.

The specific implementation manner of the embodiment is as follows: when the lathe is used, the first sliding block 41 moves leftwards or rightwards through rotating the adjusting rod 44, the driven block 43 moves in the opposite direction through threaded connection with the second threads 442, so that the stability of the device is improved, the first gear 433 drives the synchronous toothed belt 543 to rotate through meshing with the synchronous toothed belt 543 when the second fixed rod 432 slides in the sliding groove 52, the synchronous toothed belt 543 drives the transmission rod 545 to rotate through meshing with the second gear 544, the transmission rod 545 rotates to enable the rotating device 5 to rotate between the two third fixed blocks 25, the driving device 4 moves forwards and backwards through rotation of the adjusting rod 44, the adjusting block 21 also rotates by taking the first rotating rod 12 as an axis when the rotating device 5 rotates, the lathe tool 34 can simply and rapidly process round and spherical workpieces, and the stability of the device is improved while the applicability of the device is improved.

The specific mounting manner and control manner of the fixing flange 1, the lathe tool 34, the synchronous toothed belt 543 and the like in the present invention are conventional designs in the prior art, and the present invention is not described in detail.

The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a ring flange adjustable handle of a knife structure, includes mounting flange (1), its characterized in that: the upper end of the fixed flange (1) is provided with a fixed pipe (11), two first rotating rods (12) are arranged in the fixed pipe (11), an adjusting device (2) is arranged between the two first rotating rods (12), and one end, far away from the fixed flange (1), of the adjusting device (2) is provided with a lathe cutter (3);

adjusting device (2) are including regulating block (21), regulating block (21) keep away from mounting flange (1) one end and are equipped with four first fixed blocks (22), four first fixed block (22) keep away from regulating block (21) one end and all be equipped with first dead lever (23), four first dead lever (23) keep away from regulating block (21) one end and are equipped with second fixed block (24) jointly, are equipped with third fixed block (25) jointly between every two first dead levers (23) that are close to first dwang (12), two be equipped with driving device (4) between third fixed block (25).

2. The flange-adjustable knife handle structure according to claim 1, wherein: the driving device (4) comprises two rotating devices (5), a first sliding block (41) is arranged between the two rotating devices (5), a fixed groove (42) is formed in the first sliding block (41), a driven block (43) is arranged in the fixed groove (42), an adjusting rod (44) is arranged at the left end of the fixed groove (41), the adjusting rod (44) penetrates through the first sliding block (41) and the fixed pipe (11), first threads (441) matched with the driven block (43) are arranged in the middle of the outer surface of the adjusting rod (44), second threads (442) matched with the first sliding block (41) are arranged on the left and right of the outer surface of the adjusting rod (44), and the directions of the threads of the first threads (441) and the second threads (442) are opposite.

3. The flange-adjustable knife handle structure according to claim 2, wherein: the driven block (43) comprises a second sliding block (431), one end, close to the two rotating devices (5), of the second sliding block (431) is provided with a second fixing rod (432), the middle part of the outer surface of the second fixing rod (432) is provided with a first gear (433), and the second sliding block (431) slides in the fixing groove (42).

4. A flange-adjustable knife handle structure according to claim 3, characterized in that: the rotating device (5) comprises a rotating block (51), a sliding groove (52) is formed in one end, close to the first sliding block (41), of the rotating block (51), the sliding groove (52) is arc-shaped, a mounting groove (53) is formed in the upper portion of the inner surface of the sliding groove (52), and a transmission device (54) is arranged in the mounting groove (53).

5. The flange-adjustable knife handle structure according to claim 4, wherein: the transmission device (54) comprises two transmission gears (541), the two transmission gears (541) are installed in an installation groove (53), two supporting blocks (542) which are matched with the sliding groove (52) are arranged on one side surface of the installation groove (53) close to the first sliding block (41), synchronous toothed belts (543) are wound between the transmission gears (541) and the two supporting blocks (542) together, transmission rods (545) are arranged in the installation groove (53), the transmission rods (545) penetrate through the rotating blocks (51), second gears (544) are arranged on the outer surfaces of the transmission rods (545), the second gears (544) are located in the installation groove (53), and the synchronous toothed belts (543) are meshed with the second gears (544).

6. The flange-adjustable knife handle structure according to claim 5, wherein: the first gear (433) is always meshed with the synchronous toothed belt (543), and the second fixed rod (432) slides in the sliding groove (52).

7. The flange-adjustable knife handle structure according to claim 5, wherein: the transmission rod (545) is fixedly connected with the third fixed block (25).

8. The flange-adjustable knife handle structure according to claim 7, wherein: lathe cutter (3) are including third dead lever (31), adjusting device (2) one end is kept away from to third dead lever (31) is equipped with installation pole (32), arc wall has been seted up to installation pole (32) front end side of keeping away from third dead lever (31), arc wall trailing flank is equipped with third slider (33), third slider (33) front end is kept away from third dead lever (31) one side and is equipped with lathe tool (34), first spacing groove (35) have been seted up to third slider (33) front end, second spacing groove (36) have been seted up to first spacing groove (35) inner chamber trailing flank, arc wall trailing flank is equipped with adjusting bolt (37), just adjusting bolt (37) run through in second spacing groove (36).

9. The flange-adjustable knife handle structure according to claim 8, wherein: the whole surface of the device is sprayed with a layer of antirust paint.