CN111299640B

CN111299640B - Automatic tool changing drilling machine

Info

Publication number: CN111299640B
Application number: CN201911071395.3A
Authority: CN
Inventors: 朱文涛
Original assignee: Taicang Steel Heavy Machinery Roll Co ltd
Current assignee: Taicang Steel Heavy Machinery Roll Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2021-08-10
Anticipated expiration: 2039-11-05
Also published as: CN111299640A

Abstract

An automatic tool changing drill press comprising: knife rest, shell, drive mechanism, base, upper cover plate, the upper cover plate sets up in the top of shell, the shell sets up directly over the base, drive mechanism sets up the inside at the shell, the knife rest sets up the side at the shell. The automatic tool changing rotary table can be provided with a plurality of universal type drill bits at one time, and the drill bits of different types can be replaced directly by rotating, so that the time consumed by replacing the drill bits is greatly reduced, and the production efficiency is ensured.

Description

Automatic tool changing drilling machine

Technical Field

The invention belongs to the technical field of drilling machines, and particularly relates to an automatic tool changing drilling machine.

Background

When traditional drilling machine drills, need to change the drill bit of different models to the hole of different specifications, when changing the drill bit, need pull down the drill bit earlier, the drill bit that needs in the installation. The frequent process of replacing the drill bit needs to consume more time, and the production efficiency is seriously influenced.

Disclosure of Invention

The purpose of the invention is as follows: the invention aims to provide an automatic tool changing rotary table, which can be used for mounting a plurality of universal type drill bits at one time, and can realize the replacement of different types of drill bits by directly rotating, thereby greatly reducing the time consumed by replacing the drill bits and ensuring the production efficiency.

The technical scheme is as follows: the invention provides an automatic tool changing drilling machine, which comprises: knife rest, shell, drive mechanism, base, upper cover plate, the upper cover plate sets up the top at the shell, the shell sets up directly over the base, drive mechanism sets up the inside at the shell, the knife rest sets up the side at the shell, drive mechanism includes: the motor, the first driven shaft, the second driven shaft, the third driven shaft, the guide shaft, the support frame, the rack, the adjusting shaft and the handle are arranged on the shell, a rotor of the motor upwards penetrates through the shell, and a first belt pulley is arranged at the end part of the rotor of the motor; the upper end of the first driven shaft penetrates through the shell, and a second belt pulley is arranged at the upper end part of the first driven shaft; the first belt pulleys and the second belt pulleys are provided with a plurality of belt pulleys and are correspondingly connected through belts; the lower end part of the first driven shaft penetrates through the support frame to be connected with the bottom of the shell, a first gear is further sleeved on the first driven shaft, and the first gear is arranged inside the support frame; the second driven shaft is arranged in parallel with the first driven shaft and is connected with the top of the support frame, the lower end part of the second driven shaft is connected with the bottom of the support frame, a second gear and a first conical gear are sleeved on the second driven shaft, the second gear is arranged on the upper part of the first conical gear, and the second gear is connected with the first gear in a matching way; the third driven shaft is arranged in the support frame, the lower end part of the third driven shaft is connected with the bottom of the support frame, a third gear is arranged at the upper end part of the third driven shaft, and the third gear is connected with the first conical gear in a matched manner; the guide shaft is arranged in parallel with the first driven shaft and is arranged on one side far away from the second driven shaft, the upper end part of the guide shaft is fixedly connected with the top end of the shell, and the lower end part of the guide shaft penetrates through the support frame to be connected with the bottom of the shell; the rack is arranged at the end part of the support frame close to the guide shaft; the regulating shaft is perpendicular to the rack, one end of the regulating shaft is connected with the side wall of the shell, the other end of the regulating shaft penetrates through the other side wall of the shell, the end portion of the regulating shaft is connected with the handle, a fourth gear is further arranged on the regulating shaft, and the fourth gear is connected with the rack in a matched mode. The automatic tool changing rotary table can be provided with a plurality of universal type drill bits at one time, and the drill bits of different types can be replaced directly by rotating, so that the time consumed by replacing the drill bits is greatly reduced, and the production efficiency is ensured.

Further, according to the automatic tool changing drilling machine, the middle part of the first driven shaft is provided with an external spline, an internal spline shaft is sleeved on the external spline in a matching manner, and the first gear is fixedly sleeved on the internal spline shaft; the upper end of the inner spline shaft penetrates through the top end of the support frame, a first bearing is further sleeved at the upper end of the inner spline shaft, a first fixing sleeve is sleeved outside the first bearing, and the first fixing sleeve is connected with the top end of the support frame in a matched mode; the bottom that the internal spline axle lower extreme passed the support frame, just the internal spline axle lower extreme still overlaps and is equipped with the second bearing, the outside still cover of second bearing is equipped with the fixed cover of second, the fixed cover of second is connected with the cooperation of support frame bottom. And the stability of downward movement and rotation of the driven shaft is ensured in the drilling process.

Further, in the automatic tool changing drilling machine, a third fixing sleeve is sleeved at the joint of the guide shaft and the support frame; the upper end of the guide shaft is sleeved with a buffer sleeve, and the upper end of the buffer sleeve is fixedly connected with the top end of the shell; and a buffer spring is sleeved at the lower end part of the guide shaft. The drilling process is guaranteed to be carried out stably, maintenance times are reduced, and the service life is prolonged.

Furthermore, according to the automatic tool changing drilling machine, the adjusting shaft is further provided with a clockwork spring, and the clockwork spring is arranged inside the shell and close to one end of the handle. And enough rebound kinetic energy is ensured during drilling.

Further, foretell automatic tool changing drilling machine, the support frame includes: the cross section of the supporting fixing frame is circular, the cross section of the transmission frame end is square, and the transmission frame end is far away from the tool rest; the transmission frame is characterized in that a positioning sleeve is embedded in the end of the transmission frame, a first spring and a steel ball are arranged in the positioning sleeve, one end of the first spring is connected with the bottom of the positioning sleeve, and the other end of the first spring is connected with the steel ball. The positioning device can accurately position during tool changing, and ensures that the drill bit is vertically downward during tool changing at each time.

Further, above-mentioned automatic tool changing drilling machine, the knife rest includes: the section of the rotating frame is circular, the cutter shaft is arranged inside the rotating frame, and the cutter shaft is arranged inside the rotating frame and connected through a bearing. The structure design is simple, and the manufacture and the use are easy.

Further, according to the automatic tool changing drilling machine, a rotary fixing frame is arranged on one side, close to the supporting frame, of the rotary frame, the cross section of the rotary fixing frame is circular, the rotary fixing frame is sleeved on the supporting fixing frame, and the rotary fixing frame is connected with the supporting fixing frame through a bearing; the end part of the rotary fixing frame is uniformly provided with a plurality of positioning grooves along the circumference, and the positioning grooves correspond to the steel balls. When the tool is changed, the steel ball and the positioning groove are matched for positioning, so that the accuracy after tool changing is ensured.

Further, according to the automatic tool changing drilling machine, the end part of the cutter shaft is provided with a second bevel gear, the bevel gear is arranged inside the rotating frame, and the second bevel gear is connected with the third gear in a matching manner; and a drill clamp is arranged at one end of the cutter shaft, which is far away from the second bevel gear, and the drill clamp is arranged outside the rotating frame. The structure design is simple, the manufacture and the use are easy, and the production cost is reduced.

Further, according to the automatic tool changing drilling machine, 12 cutter shafts are arranged, drill bits of different models are mounted on the corresponding 12 drill bit fixtures, and the positions of the cutter shafts correspond to the positioning grooves. The universal drill bit can be basically guaranteed to be installed, and production efficiency is guaranteed.

Furthermore, according to the automatic tool changing drilling machine, the side of the rotating frame is also provided with the identification strip, and the identification strip corresponds to the cutter shaft. The operator visually finds out the type of the drill bit, and the production efficiency is improved.

The technical scheme shows that the invention has the following beneficial effects: the automatic tool changing rotary table can be provided with a plurality of universal type drill bits at one time, and the drill bits of different types can be replaced directly by rotation, so that the time consumed by replacing the drill bits is greatly reduced, the production efficiency is ensured, and the automatic tool changing rotary table has high popularization value.

Drawings

FIG. 1 is a schematic structural view of an automatic tool changing drilling machine according to the present invention;

FIG. 2 is a schematic view of the structure A-A in FIG. 1;

FIG. 3 is a schematic left-side view of the automatic tool-changing drilling machine according to the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 1;

FIG. 5 is a schematic structural view of the support frame of the present invention;

fig. 6 is a partial structural schematic view of the rotary fixing frame according to the present invention.

In the figure: 1 knife rest, 11 rotating frames, 111 rotating fixed frames, 1111 positioning grooves, 112 identification strips, 12 knife shafts, 121 second bevel gears, 122 drill bit clamps, 2 shells, 3 transmission mechanisms, 31 motors, 311 first belt pulleys, 32 first driven shafts, 321 second belt pulleys, 322 first gears, 323 external splines, 324 internal spline shafts, 3241 first bearings, 3242 first fixed sleeves, 3243 second bearings, 3244 second fixed sleeves, 33 second driven shafts, 331 second gears, 332 first bevel gears, 34 third driven shafts, 341 third gears, 35 guide shafts, 351 third fixed sleeves, 352 buffer sleeves, 353 buffer springs, 36 support frames, 361 support fixed frames, 362 transmission frame ends, 3621 positioning sleeves, 3622 first springs, 3623 steel balls, 7 racks, 38 adjusting shafts, 381 fourth gears, 382 clockwork springs, 39 handles, 4 bases and 5 upper cover plates.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar 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 "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified 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 connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

An automatic tool changing drill machine as shown in fig. 1 to 6, comprising: knife rest 1, shell 2, drive mechanism 3, base 4, upper cover plate 5 sets up the top at shell 2, shell 2 sets up directly over base 4, drive mechanism 3 sets up the inside at shell 2, knife rest 1 sets up the side at shell 2.

The transmission mechanism 3 includes: the motor 31, the first driven shaft 32, the second driven shaft 33, the third driven shaft 34, the guide shaft 35, the support frame 36, the rack 37, the adjusting shaft 38 and the handle 39, wherein the rotor of the motor 31 upwards penetrates through the shell 2, and the end part of the rotor of the motor 31 is provided with a first belt pulley 311; the upper end of the first driven shaft 32 penetrates through the shell 2, and a second belt pulley 321 is arranged at the upper end part of the first driven shaft 32; a plurality of first belt pulleys 311 and a plurality of second belt pulleys 321 are arranged and correspondingly connected through belts; the lower end of the first driven shaft 32 passes through the support frame 36 and is connected with the bottom of the shell 2, a first gear 322 is further sleeved on the first driven shaft 32, and the first gear 322 is arranged inside the support frame 36; the second driven shaft 33 is parallel to the first driven shaft 32, the second driven shaft 33 is connected with the top of the support frame 36, the lower end of the second driven shaft 33 is connected with the bottom of the support frame 36, a second gear 331 and a first conical gear 332 are sleeved on the second driven shaft 33, the second gear 331 is arranged on the upper portion of the first conical gear 332, and the second gear 331 is connected with the first gear 322 in a matching manner; the third driven shaft 34 is arranged inside the support frame 36, the lower end of the third driven shaft 34 is connected with the bottom of the support frame 36, the upper end of the third driven shaft 34 is provided with a third gear 341, and the third gear 341 is connected with the first bevel gear 332 in a matching manner; the guide shaft 35 is arranged in parallel with the first driven shaft 32, the guide shaft 35 is arranged on one side far away from the second driven shaft 33, the upper end part of the guide shaft 35 is fixedly connected with the top end of the shell 2, and the lower end part of the guide shaft 35 penetrates through the support frame 36 to be connected with the bottom of the shell 2; the rack 37 is arranged at the end part of the support frame 36 close to the guide shaft 35; the adjusting shaft 38 is perpendicular to the rack 37, one end of the adjusting shaft 38 is connected to the side wall of the housing 2, the other end of the adjusting shaft passes through the other side wall of the housing 2, the end of the adjusting shaft is connected to the handle 39, the adjusting shaft 38 is further provided with a fourth gear 381, and the fourth gear 381 is connected to the rack 37 in a matching manner.

An external spline 323 is arranged in the middle of the first driven shaft 32, an internal spline shaft 324 is sleeved on the external spline 323 in a matching manner, and the first gear 322 is fixedly sleeved on the internal spline shaft 324; the upper end of the internal spline shaft 324 penetrates through the top end of the support frame 36, a first bearing 3241 is further sleeved at the upper end of the internal spline shaft 324, a first fixing sleeve 3242 is sleeved outside the first bearing 3241, and the first fixing sleeve 3242 is connected with the top end of the support frame 36 in a matched manner; the lower end of the internal spline shaft 324 penetrates through the bottom of the support frame 36, a second bearing 3243 is further sleeved at the lower end of the internal spline shaft 324, a second fixing sleeve 3244 is further sleeved outside the second bearing 3243, and the second fixing sleeve 3244 is connected with the bottom of the support frame 36 in a matched mode.

A third fixing sleeve 351 is sleeved at the joint of the guide shaft 35 and the support frame 36; a buffer sleeve 352 is sleeved at the upper end of the guide shaft 35, and the upper end of the buffer sleeve 352 is fixedly connected with the top end of the shell 2; the lower end of the guide shaft 35 is also sleeved with a buffer spring 353.

Also provided on the adjustment shaft 38 is a clockwork spring 382, which spring 382 is disposed inside the housing 2 near one end of the handle 39.

The support frame 36 includes: the cross section of the supporting fixing frame 361 is circular, the cross section of the transmission frame end 362 is square, and the transmission frame end 362 is far away from the tool rest 1; a positioning sleeve 3621 is embedded on the transmission frame end 362, a first spring 3622 and a steel ball 3623 are arranged inside the positioning sleeve 3621, one end of the first spring 3622 is connected with the bottom of the positioning sleeve 3621, and the other end of the first spring 3622 is connected with the steel ball 3623.

The tool holder 1 includes: revolving rack 11, arbor 12, revolving rack 11 cross-section is circular, arbor 12 sets up inside revolving rack 11 and connects through the bearing, revolving rack 11's side still is provided with identification strip 112, just identification strip 112 is corresponding with arbor 12. A rotary fixing frame 111 is arranged on one side, close to the supporting frame 36, of the rotary frame 11, the section of the rotary fixing frame 111 is circular, the rotary fixing frame 111 is sleeved on the supporting fixing frame 361, and the rotary fixing frame 111 is connected with the supporting fixing frame 361 through a bearing; a plurality of positioning grooves 1111 are uniformly arranged at the end of the rotary fixing frame 111 along the circumference, and the positioning grooves 1111 correspond to the steel balls 3623. A second bevel gear 121 is arranged at the end of the cutter shaft 12, the bevel gear 121 is arranged inside the rotating frame 11, and the second bevel gear 121 is connected with the third gear 341 in a matching way; one end of the cutter shaft 12 away from the second bevel gear 121 is provided with a drill clamp 122, and the drill clamp 122 is arranged outside the rotating frame 11. The cutter shaft 12 is provided with 12 cutters, the corresponding 12 drill clamps 122 are provided with drills of different models, and the position of the cutter shaft 12 corresponds to the positioning groove 1111.

During operation, based on the above structural basis, as shown in fig. 2, the drill bit with the required specification is rotated to the lowest position by rotating the rotating frame (11), and when the steel ball 3623 enters the positioning groove 1111 (the rotation force or the sound generated when the steel ball 3623 enters the positioning groove 1111 is judged), the drill bit is rotated to the position; adjusting the belt positions on the first pulley 311 and the second pulley 321 to adjust the rotation speed; starting the motor 31, driving the second belt pulley 321 to rotate through the first belt pulley 311, thereby driving the first driven shaft 32 to rotate, and then sequentially driving the external spline 323, the internal spline shaft 324, the first gear 322, the second gear 331, the first bevel gear, the third gear 332, the third bevel gear 341, and the second bevel gear 121, thereby enabling the cutter shaft 12 to drive the drill bit to rotate; the handle 39 is rotated, and the support frame 36 and the tool rest 1 integrally move downwards through the matching of the fourth gear 381 and the rack 37, so as to drill holes; after the drilling is completed, the handle 39 is loosened, the support frame 36 and the tool rest 1 move upwards under the action of the spring 382 and the buffer spring 353, and the whole drilling process is completed.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.

Claims

1. An automatic tool changing drill press, comprising: knife rest (1), shell (2), drive mechanism (3), base (4), upper cover plate (5) set up the top at shell (2), shell (2) set up directly over base (4), drive mechanism (3) set up the inside at shell (2), knife rest (1) sets up the side at shell (2), drive mechanism (3) include: the motor comprises a motor (31), a first driven shaft (32), a second driven shaft (33), a third driven shaft (34), a guide shaft (35), a support frame (36), a rack (37), an adjusting shaft (38) and a handle (39), wherein a rotor of the motor (31) upwards penetrates through a shell (2), and a first belt pulley (311) is arranged at the end part of the rotor of the motor (31); the upper end of the first driven shaft (32) penetrates through the shell (2), and a second belt pulley (321) is arranged at the upper end part of the first driven shaft (32); the first belt pulleys (311) and the second belt pulleys (321) are respectively provided with a plurality of belt pulleys and are correspondingly connected through belts; the lower end part of the first driven shaft (32) penetrates through a support frame (36) to be connected with the bottom of the shell (2), a first gear (322) is further sleeved on the first driven shaft (32), and the first gear (322) is arranged inside the support frame (36); the second driven shaft (33) is parallel to the first driven shaft (32), the second driven shaft (33) is connected with the top of the support frame (36), the lower end of the second driven shaft (33) is connected with the bottom of the support frame (36), a second gear (331) and a first conical gear (332) are sleeved on the second driven shaft (33), the second gear (331) is arranged on the upper portion of the first conical gear (332), and the second gear (331) is connected with the first gear (322) in a matched mode; the third driven shaft (34) is arranged inside the support frame (36), the lower end part of the third driven shaft (34) is connected with the bottom of the support frame (36), a third gear (341) is arranged at the upper end part of the third driven shaft (34), and the third gear (341) is connected with the first bevel gear (332) in a matching manner; the guide shaft (35) is arranged in parallel with the first driven shaft (32), the guide shaft (35) is arranged on one side far away from the second driven shaft (33), the upper end part of the guide shaft (35) is fixedly connected with the top end of the shell (2), and the lower end part of the guide shaft (35) penetrates through the support frame (36) to be connected with the bottom of the shell (2); the rack (37) is arranged at the end part of the support frame (36) close to the guide shaft (35); adjust axle (38) and rack (37) perpendicular setting, adjust axle (38) one end and be connected with the lateral wall of shell (2), the other end passes another lateral wall of shell (2), and the tip is connected with handle (39), still be provided with fourth gear (381) on adjusting axle (38), just fourth gear (381) is connected with rack (37) cooperation.

2. The automatic tool changing drilling machine according to claim 1, characterized in that an external spline (323) is arranged in the middle of the first driven shaft (32), a female spline shaft (324) is sleeved on the external spline (323) in a matching manner, and the first gear (322) is fixedly sleeved on the female spline shaft (324); the upper end of the inner spline shaft (324) penetrates through the top end of the support frame (36), a first bearing (3241) is further sleeved at the upper end of the inner spline shaft (324), a first fixing sleeve (3242) is sleeved outside the first bearing (3241), and the first fixing sleeve (3242) is connected with the top end of the support frame (36) in a matched mode; the bottom that support frame (36) was passed to internal spline shaft (324) lower extreme, just internal spline shaft (324) lower extreme still overlaps and is equipped with second bearing (3243), the outside fixed cover of second (3244) that still overlaps of second bearing (3243), the fixed cover of second (3244) is connected with support frame (36) bottom cooperation.

3. The automatic tool changing drilling machine according to claim 1, characterized in that a third fixing sleeve (351) is sleeved at the joint of the guide shaft (35) and the support frame (36); a buffer sleeve (352) is sleeved at the upper end of the guide shaft (35), and the upper end of the buffer sleeve (352) is fixedly connected with the top end of the shell (2); the lower end part of the guide shaft (35) is also sleeved with a buffer spring (353).

4. The automatic tool changing drilling machine according to claim 1, characterized in that a clockwork spring (382) is further arranged on the adjusting shaft (38), the clockwork spring (382) being arranged inside the housing (2) near one end of the handle (39).

5. The automatic tool changing drill press according to claim 1, characterized in that the support frame (36) comprises: the cross section of the supporting fixing frame (361) is circular, the cross section of the transmission frame end (362) is square, and the transmission frame end (362) is far away from the tool rest (1); a positioning sleeve (3621) is embedded in the transmission frame end (362), a first spring (3622) and a steel ball (3623) are arranged inside the positioning sleeve (3621), one end of the first spring (3622) is connected with the bottom of the positioning sleeve (3621), and the other end of the first spring (3622) is connected with the steel ball (3623).

6. Automatic tool-changing drilling machine according to claim 5, characterized in that the tool holder (1) comprises: the rotary frame (11) and the cutter shaft (12) are arranged on the rotary frame, the cross section of the rotary frame (11) is circular, the cutter shaft (12) is arranged inside the rotary frame (11), and the cutter shaft (12) is arranged inside the rotary frame (11) and is connected through a bearing.

7. The automatic tool changing drilling machine according to claim 6, characterized in that a rotary fixing frame (111) is arranged on one side of the rotary frame (11) close to the support frame (36), the section of the rotary fixing frame (111) is circular, the rotary fixing frame (111) is sleeved on the support fixing frame (361), and the rotary fixing frame (111) is connected with the support fixing frame (361) through a bearing; a plurality of positioning grooves (1111) are uniformly formed in the end portion of the rotary fixing frame (111) along the circumference, and the positioning grooves (1111) correspond to the steel balls (3623).

8. The automatic tool changing drilling machine according to claim 6, characterized in that a second bevel gear (121) is arranged at the end of the cutter shaft (12), the second bevel gear (121) is arranged inside the rotating frame (11), and the second bevel gear (121) is in fit connection with a third gear (341); one end, away from the second bevel gear (121), of the cutter shaft (12) is provided with a drill clamp (122), and the drill clamp (122) is arranged outside the rotating frame (11).

9. The automatic tool changing drilling machine according to claim 8, characterized in that 12 cutter shafts (12) are provided, different types of drill bits are mounted on the corresponding 12 drill bit clamps (122), and the positions of the cutter shafts (12) correspond to the positioning grooves (1111).

10. The automatic tool changing drilling machine according to claim 6, characterized in that an identification strip (112) is further arranged on the side of the rotating frame (11), and the identification strip (112) corresponds to the cutter shaft (12).