A tool locking device for adaptive control of tool safety length

Abstract

The present invention provides a tool locking device for adaptive control of tool safety length, which includes a base plate, a flipping component, a locking component, and a measuring component. The flipping component is installed on the base plate. The flipping component includes a base, two support columns, a pair of flipping control components, and a tool holder. The support columns are perpendicular to the base, and the two support columns are respectively installed on opposite sides of the base. Both ends of the tool holder are rotatably connected to the two support columns through the flipping control components, and the tool holder is controlled by the flipping control components to be parallel or perpendicular to the base. The locking component is combined and installed with the tool holder, and a milling cutter component is detachably fixed in the locking component. The measuring component is combined and installed with the tool holder. The base plate has a number of equally spaced and parallel T-shaped grooves, and a number of base fixing components are combined and installed on the base, and the base fixing components are combined with the T-shaped grooves. The base is installed on the base plate with adjustable position through a number of base fixing components.

Description

Technical Field

[0001] The present invention relates to the technical field related to the machining of numerical control machine tools, and more precisely, to a tool locking device for adaptive control of the safe length of a tool. Background Art

[0002] With the continuous development of modern industry and manufacturing, high-speed, high-precision and high-efficiency numerical control machine tools have been widely used in enterprises such as mechanical manufacturing and mold production. During the machining of parts, the tool locking device is an essential auxiliary tool in the machining of numerical control machine tools. In the prior art, a tool locking seat is generally used. The tool locking seat lacks a locking device for the tool holder, and the tool holder is prone to falling off, resulting in damage to the tool and the tool holder. Moreover, it is inconvenient to apply force during use. One station of the tool locking seat can only provide one type of support, either vertical or horizontal, with poor flexibility and difficulty in quickly adapting to tool holders and tools of different specifications. In addition, the tool locking seat has no measurement function, and it is impossible to control the length of the cutting edge of the milling cutter extending out when installing the milling cutter. It can only rely on the operator's estimation, and it is difficult to quickly and accurately disassemble the milling cutter assembly through the tool locking seat.

[0003] In summary, there is a need in the art for a tool locking device that can be applicable to milling cutter assemblies of different specifications, adapt to both vertical and horizontal stations, and has a measurement function, so as to facilitate the operator to use efficiently and improve the use safety at the same time. Summary of the Invention

[0004] In view of this, the purpose of the present invention is to provide a tool locking device for adaptive control of the safe length of a tool, including a base plate, a flipping assembly, a locking assembly, and a measuring assembly. The flipping assembly is connected to the base plate with adjustable position. The locking assembly and the measuring assembly are integrally installed on the flipping assembly. The locking assembly can detachably clamp the milling cutter assembly to prevent the milling cutter assembly from falling and being damaged. The measuring assembly can control the effective extending length of the milling cutter assembly to ensure the tool installation accuracy.

[0005] To achieve the above object, the present invention provides a tool locking device for adaptive control of tool safety length, comprising a bottom plate, a flipping assembly, a locking assembly and a measuring assembly. The flipping assembly is mounted on the bottom plate. The flipping assembly includes a base, two support columns, a pair of flipping control assemblies and a tool holder. The support columns are perpendicular to the base, and the two support columns are respectively mounted on opposite sides of the base. Both ends of the tool holder are rotatably connected to the two support columns through the flipping control assemblies, and the tool holder is controlled by the flipping control assemblies to be parallel or perpendicular to the base. The locking assembly is combined and mounted with the tool holder, and a milling cutter assembly is detachably fixed in the locking assembly. The measuring assembly is combined and mounted with the tool holder. The bottom plate has a number of equidistantly and parallelly arranged T-shaped grooves, and a number of base fixing components are combined and mounted on the base. The base fixing components are combined with the T-shaped grooves, and the base is mounted on the bottom plate with adjustable position through a number of the base fixing components.

[0006] Preferably, two fixing grooves are arranged in alignment on opposite sides of the base. The fixing grooves have fixing through holes. When the base is arranged on the bottom plate, the fixing through holes are vertically aligned with the T-shaped grooves. The base fixing component includes a nut, a screw rod, a pressing plate and a T-shaped block. The T-shaped block is slidably mounted in the T-shaped groove. The pressing plate is arranged in the fixing groove. The screw rod passes through the pressing plate and the fixing through hole and is threadedly connected to the T-shaped block. The part of the screw rod protruding from the top of the pressing plate is threadedly connected to the nut.

[0007] Preferably, the base has a number of threaded through holes.

[0008] Preferably, the flipping control component includes a positioning ring, a deep groove ball bearing, a connecting sleeve, a locking nut, a positioning pin, a compression spring, a spring baffle, a plurality of limit posts and a pin extractor. The two sides of the tool holder respectively have a plurality of positioning holes; the positioning ring is installed on the side of the tool holder with the positioning holes in an interference fit manner, and the positioning holes surround the positioning ring. The positioning ring is combined and installed with the inner ring of the deep groove ball bearing in an interference fit manner. The outer ring of the deep groove ball bearing is installed in the support column in an interference fit manner. The connecting sleeve is arranged on the side of the support column away from the tool holder. The locking nut passes through the connecting sleeve and is fixedly connected with the positioning ring in a threaded manner; the positioning pin passes through the support column and the connecting sleeve, and one end of the positioning pin is inserted into the positioning hole. The compression spring is arranged around the positioning pin. One end of the compression spring abuts against the end of the positioning pin inserted into the positioning hole. The positioning pin and the compression spring can both slide through the support column and the connecting sleeve; the spring baffle is fixedly installed at one end of the connecting sleeve away from the support column. The positioning pin can slide through the spring baffle. One end of the compression spring abuts against the spring baffle; the end of the positioning pin away from the tool holder is fixedly connected with the pin extractor; the spring baffle has a plurality of limit holes. A plurality of the limit posts are respectively inserted into a plurality of the limit holes, and the number of the limit holes is more than the number of the limit posts. The limit posts are all fixedly connected with the pin extractor.

[0009] Preferably, the locking component includes a tapered sleeve, a positioning block and a tool holder locking component; the milling cutter component includes a tool holder. One end of the tool holder has a spring collet, and a milling cutter is installed in the spring collet. The side of the tool holder has two opposite U-shaped grooves; the tapered sleeve is detachably installed in the tool holder. The inner tapered surface of the tapered sleeve fits with the tapered surface of the milling cutter component; the positioning block is fixedly installed at the top of the tapered sleeve, and the positioning block is arranged opposite to one of the U-shaped grooves; the tool holder locking component is fixedly installed on the tool holder, and the tool holder locking component is arranged opposite to one of the U-shaped grooves; the tool holder locking component is arranged opposite to the positioning block, and the distance between the tool holder locking component and the positioning block is adjustable.

[0010] Preferably, the tool holder locking component includes a fixed seat, a knurled handle, a locking screw and a fixed block. The fixed seat is fixedly installed on the tool holder. The knurled handle is fixedly connected with one end of the locking screw through a threaded fit, and the knurled handle and the locking screw are coaxial. The locking screw passes through the fixed seat and is threadedly connected with the fixed seat. The fixed block is fixedly installed at the end of the locking screw away from the knurled handle. The fixed block faces the positioning block.

[0011] Preferably, the measuring assembly includes a baffle plate, a measuring ruler, a gear, a limiting block, a reference assembly and a tool measuring blade assembly; one side of the baffle plate has a groove, and the side of the baffle plate with the groove is fixedly connected to the side of the tool holder; the measuring ruler is slidably installed in the groove, the gear is rotatably installed in the groove through a gear shaft, a rack is installed on one side of the measuring ruler, the rack meshes with the gear, the limiting block is arranged in the groove, the limiting block is located on the side of the measuring ruler away from the gear, the limiting block abuts against the measuring ruler, and the limiting block is fixedly connected to the tool holder; the reference assembly is slidably connected to the measuring ruler, and the tool measuring blade assembly is rotatably connected to the end of the measuring ruler.

[0012] Preferably, a stop block is installed at one end of the measuring ruler away from the tool measuring blade assembly, and a blocking block is installed at the end position of the rack on the measuring ruler.

[0013] Preferably, a slide rail is provided on the side of the measuring ruler, the reference assembly includes a sliding block and a reference plate, the sliding block is slidably installed in the slide rail, and the reference plate is fixedly connected to the sliding block.

[0014] Preferably, the tool measuring blade assembly includes a tool measuring blade plate and a rotating connecting piece, and one end of the tool measuring blade plate is rotatably connected to the measuring ruler through the rotating connecting piece.

[0015] Compared with the prior art, the advantages of a tool locking device with adaptive tool safety length control disclosed by the present invention are as follows: the tool locking device with adaptive tool safety length control can be installed on various workbenches, not limited to being installed on the bottom plate, and can meet the requirements of various working scenarios; the tool locking device with adaptive tool safety length control can switch between vertical and horizontal states to achieve dual use of vertical and horizontal, with better flexibility in use and a wider scope of application; the tool locking device with adaptive tool safety length control can prevent tool damage problems caused by the detachment of the milling cutter assembly and has higher safety; the tool locking device with adaptive tool safety length control can adapt to different specifications of tool holders by replacing the taper sleeve, with a wider scope of application; the tool locking device with adaptive tool safety length control can control the effective extension length of the milling cutter assembly through the measuring assembly, ensure the tool installation accuracy, and improve the processing safety; using the tool locking device with adaptive tool safety length control can effectively improve the efficiency and safety of tool disassembly, help reduce the labor intensity, and lower the production cost. Description of the Drawings

[0016] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0017] As Figure 1 shown is a schematic structural diagram of a tool locking device for adaptive tool safety length control in the present application in a vertical state.

[0018] As Figure 2 shown is a schematic structural diagram of a tool locking device for adaptive tool safety length control in the present application in a horizontal state.

[0019] As Figure 3 shown is a schematic structural diagram of the connection structure between the base and the bottom plate of a tool locking device for adaptive tool safety length control in the present application.

[0020] As Figure 4 shown is a schematic structural diagram of the base of a tool locking device for adaptive tool safety length control in the present application.

[0021] As Figure 5 shown is a schematic split structure diagram of a tool locking device for adaptive tool safety length control in the present application in a vertical state.

[0022] As Figure 6 shown is a schematic split structure diagram of the locking assembly of a tool locking device for adaptive tool safety length control in the present application.

[0023] As Figure 7 shown is a schematic split structure diagram of the tool shank locking assembly of a tool locking device for adaptive tool safety length control in the present application.

[0024] As Figure 8 shown is a schematic structural diagram of the milling cutter assembly of a tool locking device for adaptive tool safety length control in the present application.

[0025] As Figure 9 shown is a schematic structural diagram of the measurement assembly of a tool locking device for adaptive tool safety length control in the present application. Detailed implementation manners

[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0027] As Figure 1 and Figure 2 shown, a tool locking device for adaptive tool safety length control in the present application includes a bottom plate 1, a flipping assembly 2, a locking assembly 3, and a measuring assembly 5. The flipping assembly 2 is installed on the bottom plate 1. The flipping assembly 2 includes a base 20, two support columns 21, a pair of flipping control assemblies 22, and a tool holder 23. The support columns 21 are perpendicular to the base 20, and the two support columns 21 are respectively installed on opposite sides of the base 20. Both ends of the tool holder 23 are rotatably connected to the two support columns 21 through the flipping control assemblies 22, and the tool holder 23 is controlled by the flipping control assemblies 22 to be parallel or perpendicular to the base 20. The locking assembly 3 is combined and installed with the tool holder 23, and a milling cutter assembly 4 is detachably fixed in the locking assembly 3. The measuring assembly 5 is combined and installed with the tool holder 23. Specifically, there are a number of equally spaced and parallel T-shaped grooves 10 on the bottom plate 1. A number of base fixing components 24 are combined and installed on the base 20, and the base fixing components 24 are combined with the T-shaped grooves 10. The base 20 is installed on the bottom plate 1 with adjustable position through a number of base fixing components 24.

[0028] Through the flipping assembly 2, the vertical and horizontal states of the tool locking device for adaptive tool safety length control can be switched, realizing dual use of vertical and horizontal, with better use flexibility and a wider application range; through the locking assembly 3, the problem of tool damage caused by the falling off of the milling cutter assembly 4 can be prevented, and the safety is higher; through the measuring assembly 5, the effective extension length of the milling cutter assembly 4 can be controlled, ensuring the tool installation accuracy and improving the machining safety.

[0029] Specifically, as Figure 3 and Figure 4 shown, two fixing grooves 201 are arranged in alignment on opposite sides of the base 20. There are fixing through holes 202 in the fixing grooves 201. When the base 20 is arranged on the bottom plate 1, the fixing through holes 202 are vertically aligned with the T-shaped grooves 10. The base fixing component 24 includes a nut 241, a screw 242, a pressing plate 243, and a T-shaped block 244. The T-shaped block 244 is slidably installed in the T-shaped groove 10. The pressing plate 243 is arranged in the fixing groove 201. The screw 242 passes through the pressing plate 243 and the fixing through hole 202 and is threadedly connected to the T-shaped block 244. The part of the screw 242 protruding from the top of the pressing plate 243 is threadedly connected to the nut 241. The fixed connection between the base 20 and the bottom plate 1 can be realized by tightening the nut.

[0030] On both sides of the base 20 connecting the support columns 21, there are respectively support column grooves 203. The support columns 21 are respectively installed inside the support column grooves 203, and the structure of the flipping assembly 2 is more compact. There are a number of threaded through holes 204 on the base 20. Through the threaded through holes 204, the base can be installed on other working platforms except the bottom plate 1 to meet the requirements of different working scenarios.

[0031] like Figure 5 As shown, the flip control assembly 22 includes a positioning ring 221, a deep groove ball bearing 222, a connecting sleeve 223, a locking nut 224, a positioning pin 225, a compression spring 226, a spring baffle 227, a plurality of limiting columns 228 and a pin puller 229, and a plurality of positioning holes 231 are respectively provided on both sides of the knife seat 23. The positioning ring 221 is installed on the side of the knife seat 23 having the positioning hole 231 in a transition fit manner, and the positioning hole 231 surrounds the positioning ring 221, the positioning ring 221 and the inner ring of the deep groove ball bearing 222 are combined and installed in a transition fit manner, the outer ring of the deep groove ball bearing 222 is installed in the support column 21 in an interference fit manner, the connecting sleeve 223 is arranged on the side of the support column 21 away from the knife seat 23, and the locking nut 224 passes through the connecting sleeve 223 and is threadedly fixedly connected to the positioning ring 221, so that the knife seat 23 can rotate with the positioning ring 221 as the central axis. The locating pin 225 passes through the support column 21 and the connecting sleeve 223, and one end of the locating pin 225 is inserted into the locating hole 231. A compression spring 226 is arranged around the locating pin 225, and one end of the compression spring 226 abuts against the end of the locating pin inserted into the locating hole 231, and both the locating pin 225 and the compression spring 226 can slide through the support column 21 and the connecting sleeve 223; the spring baffle 227 is fixedly installed on the end of the connecting sleeve 223 away from the support column 21, the locating pin 225 can slide through the spring baffle 227, and one end of the compression spring 226 abuts against the spring baffle 227; the end of the locating pin 225 away from the knife seat 23 is fixedly connected to the pin puller 229; the spring baffle 227 has a plurality of limiting holes, and a plurality of limiting posts 228 are respectively inserted into the plurality of limiting holes, and the number of limiting holes is more than the number of limiting posts 228, and the limiting posts 228 are all fixedly connected to the pin puller 229. When it is necessary to rotate the knife seat 23, the operator pulls the pin puller 229 axially along the limiting column 228 to disengage the limiting column 228 from the limiting hole. At the same time, the pin puller 229 drives the positioning pin 225 to disengage from the positioning hole 231 and compresses the compression spring 226. At this time, the knife seat 23 can be pushed to rotate to the specified angle. Then the pin puller 229 is released. Under the action of the compression spring 226, the positioning pin 225 is inserted into the positioning hole 231 at the corresponding position, and the limiting column 228 is also inserted into the limiting hole at the corresponding position to complete the flipping.

[0032] like Figure 6 and Figure 8As shown, the locking assembly 3 includes a taper sleeve 31, a positioning block 32, and a tool holder locking assembly 33. The milling cutter assembly 4 includes a tool holder 41 and a milling cutter 42. One end of the tool holder 41 has a spring collet, and the milling cutter 42 is installed in the spring collet. There are two opposite U-shaped grooves 411 on the side of the tool holder 41. The taper sleeve 31 is detachably installed in the tool holder 23. The inner tapered surface of the taper sleeve 31 fits with the tapered surface of the milling cutter assembly 4. By replacing the taper sleeve 31, different specifications of the milling cutter assembly 4 can be adapted, and the application range is wider. The positioning block 32 is fixedly installed on the top of the taper sleeve 31 by bolts, and the positioning block 32 is arranged opposite to one U-shaped groove 411. The tool holder locking assembly 33 is fixedly installed on the tool holder 23, and the tool holder locking assembly 33 is arranged opposite to one U-shaped groove 411; the tool holder locking assembly 33 is arranged opposite to the positioning block 32, and the distance between the tool holder locking assembly 33 and the positioning block 32 is adjustable, so as to lock or release the milling cutter assembly 4.

[0033] As Figure 7 shown, the tool holder locking assembly 33 includes a fixed seat 331, a knurled handle 332, a locking screw 333, and a fixed block 334. The fixed seat 331 is fixedly installed on the tool holder 23 by bolts. One end of the knurled handle 332 is fixedly connected to the locking screw 333 by thread fit, and the knurled handle 332 and the locking screw 333 are coaxial. The locking screw 333 passes through the fixed seat 331 and is threadedly connected to the fixed seat 331. The fixed block 334 is fixedly installed on the end of the locking screw 333 away from the knurled handle 332, and the fixed block 334 faces the positioning block 32. By rotating the knurled handle 332, the locking screw 333 can be driven to rotate. At the same time, the locking screw 333 moves linearly along its axis, driving the fixed block 334 to move linearly along the axis of the locking screw 333, so as to lock or release the milling cutter assembly 4.

[0034] As Figure 9As shown in the figure, the measuring assembly 5 includes a baffle 51, a measuring scale 52, a gear 53, a limiting block 54, a reference assembly 55, and a tool measuring assembly 56. One side of the baffle 51 has a groove 511, and the side of the baffle 51 with the groove 511 is fixedly connected to the side of the tool holder 23 by bolts. The measuring scale 52 is slidably installed in the groove 511. The gear 53 is rotatably installed in the groove 511 through a gear shaft 531. A rack 522 is installed on one side of the measuring scale 52, and the rack 522 meshes with the gear 53. The limiting block 54 is arranged in the groove 511. The limiting block 54 is located on the side of the measuring scale 52 away from the gear 53. The limiting block 54 abuts against the measuring scale 52 and is fixedly connected to the tool holder 23. The reference assembly 55 is slidably connected to the measuring scale 52, and the tool measuring assembly 56 is rotatably connected to the end of the measuring scale 52. The side of the measuring scale 52 connected to the reference assembly 55 has scales, which is convenient for the user to perform measurement operations. By pulling the measuring scale 52, the height of the measuring scale 52 extending out of the tool holder 23 can be changed. By pulling the reference assembly 55, it can be made to abut against the end face of the tool handle 41 as a measurement reference. By rotating the tool measuring assembly 56 to make it abut against the end face of the milling cutter 42, the actual extending length of the milling cutter assembly 4 can be measured, and then it can be adjusted. After the measurement is completed, rotate the tool measuring assembly 56 to retract it, pull the reference assembly to retract it, and slide the measuring scale 52 to retract it to avoid affecting subsequent operations and protect the measuring assembly 5 at the same time.

[0035] Specifically, a stop block 523 is installed at the end of the measuring scale 52 away from the tool measuring assembly 56 to prevent the measuring scale 52 from being accidentally pulled out. A blocking block 524 is installed at the end position of the rack 522 on the measuring scale 52 to prevent the gear 53 from disengaging from the rack 522. The side of the measuring scale 52 has a slide rail 521. The reference assembly 55 includes a sliding block 551 and a reference plate 552. The sliding block 551 is slidably installed in the slide rail 521, and the reference plate 552 is fixedly connected to the sliding block 551. The tool measuring assembly 56 includes a tool measuring plate 561 and a rotating connecting piece 562. One end of the tool measuring plate 561 is rotatably connected to the measuring scale 52 through the rotating connecting piece 562.

[0036] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be obvious to those skilled in the art. The general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A tool locking device for adaptive control of tool safety length, characterized in that, It includes a bottom plate, a flipping assembly, a locking assembly, and a measuring assembly. The flipping assembly is installed on the bottom plate. The flipping assembly includes a base, two support columns, a pair of flipping control assemblies, and a tool holder. The support columns are perpendicular to the base, and the two support columns are respectively installed on opposite sides of the base. The two ends of the tool holder are respectively rotatably connected to the two support columns through the flipping control assemblies, and the tool holder is controlled by the flipping control assemblies to be parallel or perpendicular to the base. The locking assembly is combined and installed with the tool holder, and a milling cutter assembly is detachably fixed in the locking assembly. The measuring assembly is combined and installed with the tool holder. There are several equally spaced and parallel T-shaped grooves on the bottom plate. Several base fixing components are combined and installed on the base, and the base fixing components are combined with the T-shaped grooves. The base is installed on the bottom plate with adjustable position through several base fixing components. The flipping control assembly includes a positioning ring, a deep groove ball bearing, a connecting sleeve, a locking nut, a positioning pin, a compression spring, a spring baffle, several limit posts, and a pin extractor. There are several positioning holes on both sides of the tool holder. The positioning ring is installed on the side of the tool holder with the positioning holes in a transition fit manner, and the positioning holes surround the positioning ring. The positioning ring is combined and installed with the inner ring of the deep groove ball bearing in a transition fit manner. The outer ring of the deep groove ball bearing is installed in the support column in an interference fit manner. The connecting sleeve is arranged on the side of the support column away from the tool holder. The locking nut passes through the connecting sleeve and is threadedly fixed to the positioning ring. The positioning pin passes through the support column and the connecting sleeve, and one end of the positioning pin is inserted into the positioning hole. The compression spring is arranged around the positioning pin. One end of the compression spring abuts against the end of the positioning pin inserted into the positioning hole, and the positioning pin and the compression spring can both slide through the support column and the connecting sleeve. The spring baffle is fixedly installed at one end of the connecting sleeve away from the support column. The positioning pin can slide through the spring baffle, and one end of the compression spring abuts against the spring baffle. One end of the positioning pin away from the tool holder is fixedly connected to the pin extractor. There are several limit holes on the spring baffle. Several limit posts are respectively inserted into several limit holes, and the number of limit holes is more than the number of limit posts. The limit posts are all fixedly connected to the pin extractor. The locking assembly includes a tapered sleeve, a positioning block, and a tool holder locking assembly; the milling cutter assembly includes a tool holder, one end of the tool holder has a collet chuck, a milling cutter is installed in the collet chuck, and two opposite U-shaped grooves are provided on the side of the tool holder; the tapered sleeve is detachably installed in the tool holder, and the inner tapered surface of the tapered sleeve fits with the tapered surface of the milling cutter assembly; the positioning block is fixedly installed on the top of the tapered sleeve, and the positioning block is arranged opposite to one of the U-shaped grooves; the tool holder locking assembly is fixedly installed on the tool holder, and the tool holder locking assembly is arranged opposite to one of the U-shaped grooves; the tool holder locking assembly is arranged opposite to the positioning block, and the distance between the tool holder locking assembly and the positioning block is adjustable.

2. The knife locking device with adaptive tool safety length control according to claim 1, characterized in that Two fixing grooves are arranged in alignment on opposite sides of the base, and fixing through holes are provided in the fixing grooves. When the base is arranged on the bottom plate, the fixing through holes are vertically aligned with the T-shaped grooves; the base fixing assembly includes a nut, a screw, a pressing plate, and a T-shaped block. The T-shaped block is slidably installed in the T-shaped groove, the pressing plate is arranged in the fixing groove, the screw passes through the pressing plate and the fixing through hole and is threadedly connected to the T-shaped block, and the part of the screw protruding from the top of the pressing plate is threadedly connected to the nut.

3. The tool locking device with adaptive tool safety length control according to claim 1, characterized in that A number of threaded through holes are provided on the base.

4. The knife locking device for adaptively controlling the safe length of a cutting tool according to claim 1, wherein The tool holder locking assembly includes a fixed seat, a knurled handle, a locking screw, and a fixed block. The fixed seat is fixedly installed on the tool holder, the knurled handle is fixedly connected to one end of the locking screw by thread fit, and the knurled handle and the locking screw are coaxial. The locking screw passes through the fixed seat and is threadedly connected to the fixed seat. The fixed block is fixedly installed at the end of the locking screw away from the knurled handle, and the fixed block faces the positioning block.

5. The knife locking device for adaptive tool safety length control according to claim 1, characterized in that, The measuring assembly includes a baffle, a measuring scale, a gear, a limiting block, a reference assembly, and a measuring tool assembly; one side of the baffle has a groove, and the side of the baffle with the groove is fixedly connected to the side of the tool holder; the measuring scale is slidably installed in the groove, the gear is rotatably installed in the groove through a gear shaft, a rack is installed on one side of the measuring scale, the rack meshes with the gear, the limiting block is arranged in the groove, the limiting block is located on the side of the measuring scale away from the gear, the limiting block abuts against the measuring scale, and the limiting block is fixedly connected to the tool holder; the reference assembly is slidably connected to the measuring scale, and the measuring tool assembly is rotatably connected to the end of the measuring scale.

6. The knife locking device for adaptive tool safety length control according to claim 5, characterized in that A stop block is installed at the end of the measuring scale away from the measuring tool assembly, and a blocking block is installed at the end position of the rack on the measuring scale.

7. The tool locking device with adaptive tool safety length control according to claim 5, characterized in that, A slide rail is provided on the side of the measuring scale. The reference assembly includes a sliding block and a reference plate. The sliding block is slidably installed in the slide rail, and the reference plate is fixedly connected to the sliding block.

8. The knife locking device for adaptive tool safety length control according to claim 5, characterized in that, The measuring tool assembly includes a measuring tool plate and a rotating connecting piece. One end of the measuring tool plate is rotatably connected to the measuring scale through the rotating connecting piece.

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