CN218592360U - Multi-station engraving machine convenient for adjusting clamping distance - Google Patents

Abstract

The utility model relates to a multistation engraver convenient to adjust centre gripping distance belongs to engraver technical field. The technical scheme is mainly used for solving the problem that the adjustment is inconvenient according to the size of the material. Including the frame body, Y is installed to the top of frame body to the transmission assembly, tailstock side pipe and dividing head chuck are installed to Y to the top of transmission assembly, tailstock side pipe department installs the tailstock assembly. The utility model discloses a mutually supporting between the moving platform body that sets up, tailstock assembly and the dividing head mounting bracket for when carving the material, can play the effect of adjusting according to the material size, and then guaranteed the centre gripping effect to the material, so that when carrying out sculpture, guaranteed glyptic stability, avoided because the clamping position does not match with the material size, lead to the material to take place the displacement change in glyptic, the condition that influences sculpture effect takes place.

Description

Multi-station engraving machine convenient for adjusting clamping distance

Technical Field

The utility model relates to a engraver is related to technical field, specifically is a multistation engraver convenient to adjust centre gripping distance.

Background

The engraving is a drilling and milling combined machining in principle, and a plurality of data input modes of the engraving machine have more free edges as required. The computer engraving machine has two types of laser engraving and mechanical engraving, and the two types have high power and low power. Because the range of application of engraver is very extensive, consequently it is necessary to know the most suitable range of application of various engravers, when carrying out sculpture, in order to guarantee glyptic speed, often take the setting of multistation, and then guaranteed to carve a plurality of materials, when carrying out sculpture, because by glyptic material length size inequality, current fixture can only carry out the centre gripping to the material of fixed size fixedly, all love children when carrying out sculpture, because the centre gripping is fixed stable inadequately, thereby influence subsequent sculpture effect.

Therefore, the multi-station engraving machine convenient for adjusting the clamping distance is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multistation engraver convenient to adjust centre gripping distance to solve the problem that the inconvenient size of according to the material of the above-mentioned background art suggestion was adjusted.

In order to solve the technical problem, the utility model provides a following technical scheme: a multi-station engraving machine convenient for adjusting clamping distance comprises a machine frame body, wherein a Y-direction transmission assembly is installed at the top of the machine frame body, a tailstock square pipe and a dividing head chuck are installed at the top of the Y-direction transmission assembly, the tailstock square pipe is provided with the tailstock assembly, the dividing head chuck is provided with a moving platform body, the end part of the moving platform body is fixedly connected with a dividing head installation frame, a plurality of tailstock assemblies and a plurality of dividing head installation frames are arranged, a left stand column and a right stand column are installed at the top of the machine frame body, an X-direction transmission assembly is installed at the top of the left stand column and the top of the right stand column, a Z-direction transmission assembly is installed at the top of the X-direction transmission assembly, a main shaft main body is installed on the surface of the X-direction transmission assembly, the dividing head installation frame comprises a dividing head motor, and the output end of the dividing head motor is fixedly connected with a dividing head speed reducer, the output end of the index head speed reducer is fixedly connected with an index head coupler, an index head second bearing and an index head first bearing are respectively arranged at the index head chuck, a locking chuck and an index head thimble are arranged at the side edge of the index head chuck, the locking chuck is rotationally connected with the index head chuck through the index head second bearing and the index head first bearing, the end part of the index head coupler is fixedly connected with the locking chuck, the index head thimble is arranged at the end part of the locking chuck, an index head bearing seat is arranged at the top part of the Y-direction transmission assembly, a chuck shaft is arranged at the side edge of the index head bearing seat, the chuck shaft is rotationally connected with the locking chuck, the tailstock assembly comprises a tailstock thimble, a tailstock bearing seat is sleeved on the surface of the thimble, and a first tailstock bearing is sleeved on the surface of the tailstock bearing seat, the adjusting screw is connected with the adjusting screw through the square pipe in an internal thread mode, the surface of the adjusting screw is fixedly connected with a thimble sleeve, a second tailstock bearing is installed at the joint of the surface of the adjusting screw and the thimble sleeve, the tip of the adjusting screw is fixedly connected with a thimble shaft, and the tip of the thimble shaft is fixed with the first tailstock bearing.

Further, Y includes Y to drive motor to the transmission assembly, Y is installed Y to drive motor's output to the transmission lead screw, Y is installed Y to the output of transmission lead screw to the driving plate, Y installs the movable platform to the top of driving plate, the top at the movable platform is installed to the movable platform body, Y is installed to the transmission linear guide at the top of frame body, Y is to transmission linear guide to the bottom and the Y of transmission lead screw to transmission linear guide sliding connection.

Further, the moving platform body includes moving platform driving motor, moving platform driving motor output end fixedly connected with moving platform shaft coupling, moving platform shaft coupling and dividing head mounting bracket fixed connection, the top of dividing head chuck is connected with moving platform linear guide through the slider, moving platform linear guide's top fixedly connected with tailstock fixed square pipe, the tip fixedly connected with moving platform thimble of tailstock fixed square pipe, location fixed plate about the fixed surface who manages the tailstock fixed square pipe is connected with.

Further, the Z-direction transmission assembly comprises a Z-direction bottom plate, a motor fixing seat is fixedly connected to the surface of the Z-direction bottom plate, the Z-direction bottom plate is fixed to the top of the X-direction transmission assembly, a Z-direction transmission driving motor is installed at the top of the motor fixing seat, a Z-direction transmission coupling is fixedly connected to the output end of the Z-direction transmission driving motor, a Z-direction transmission lead screw is fixedly connected to the output end of the Z-direction transmission coupling, a Z-direction sliding plate rod is installed at the end of the Z-direction transmission lead screw, a main shaft transverse plate is fixedly connected to the surface of the Z-direction sliding plate rod, a main shaft fixing frame is fixedly connected to the surface of the main shaft body, the main shaft fixing frame is fixed to the main shaft transverse plate, a linear slide rail is arranged inside the Z-direction bottom plate, a Z-direction transmission nut seat is fixedly connected to the surface of the Z-direction transmission lead screw, and the Z-direction transmission nut seat is connected with the linear slide rail in a sliding manner.

Further, X includes X to transmission driving motor to the transmission assembly, X is to transmission driving motor's output fixedly connected with X to the transmission shaft coupling, X is installed to the tip of transmission shaft coupling to the transmission lead screw, X is to the surface mounting of transmission lead screw has X to transmission nut seat, X is to the fixed surface of transmission nut seat and is connected with X to the transmission plate, X is to the surface and the Z of transmission plate to transmission assembly fixed connection, X is installed to the transmission motor cabinet at the top of controlling the stand, X is installed at X to the top of transmission motor cabinet to transmission driving motor, the top fixedly connected with X of controlling the stand is to the transmission bearing frame, X is to transmission lead screw and X to transmission bearing frame swing joint.

Furthermore, the surface mounting of frame body has control panel, the electronic box assembly is installed to the side of frame body, the display screen support is installed at the top of electronic box assembly.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

(1) The utility model discloses a mutually supporting between the moving platform body that sets up, tailstock assembly and the dividing head mounting bracket for when carving the material, can play the effect of adjusting according to the material size, and then guaranteed the centre gripping effect to the material, so that when carrying out sculpture, guaranteed glyptic stability, avoided because the clamping position does not match with the material size, lead to the material to take place the displacement change when sculpture, the condition that influences sculpture effect takes place.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic perspective view of an embodiment of the present invention;

fig. 2 is a front view of the Y-axis drive and the a-axis movement drive of an embodiment of the present invention;

fig. 3 is an isometric view of a Y-drive and a-axis motion drive according to an embodiment of the present invention;

fig. 4 is a schematic diagram of an X-direction transmission according to an embodiment of the present invention;

fig. 5 is a front view of a Z-drive according to an embodiment of the present invention;

fig. 6 is a side view of a Z-drive according to an embodiment of the present invention;

fig. 7 is a schematic structural view of an index head chuck according to an embodiment of the present invention.

Fig. 8 is a schematic view of a tailstock assembly according to an embodiment of the present invention.

In the figure: 1. a rack body; 2. a Y-direction transmission assembly; 201. a Y-direction transmission linear guide rail; 202. a Y-direction transmission screw rod; 203. a Y-direction transmission plate; 204. a movable platform; 205. a Y-direction transmission motor; 3. a tailstock assembly; 301. a tailstock thimble; 302. a tailstock bearing seat; 303. a first tailstock bearing; 304. a thimble shaft; 305. a thimble sleeve; 306. adjusting the screw rod; 307. a second tailstock bearing; 4. a tailstock square tube; 5. a control panel; 6. a Z-direction transmission assembly; 601. a Z-direction transmission driving motor; 602. a Z-direction transmission coupler; 603. a motor fixing seat; 604. a Z-direction bottom plate; 605. a linear slide rail; 606. a Z-direction transmission screw rod; 607. a Z-direction sliding plate; 608. a Z-direction transmission nut seat; 609. a main shaft transverse plate; 7. a main shaft body; 701. a main shaft fixing frame; 8. an X-direction transmission assembly; 801. an X-direction transmission driving motor; 802. an X-direction transmission motor base; 803. an X-direction transmission coupler; 804. an X-direction transmission screw rod; 805. an X-direction transmission plate; 806. an X-direction transmission bearing seat; 807. an X-direction transmission nut seat; 9. a dividing head mounting frame; 901. a dividing head motor; 902. a dividing head reducer; 903. a dividing head coupling; 904. a first bearing of the index head; 905. a dividing head second bearing; 906. a dividing head bearing seat; 907. a chuck shaft; 908. locking the chuck; 909. a dividing head thimble; 10. an index head chuck; 11. a left upright post and a right upright post; 12. an electrical box assembly; 13. a display screen support; 14. a mobile platform body; 141. a moving platform thimble; 142. left and right positioning fixing plates; 143. a mobile platform linear guide rail; 144. a mobile platform drive motor; 145. a mobile platform coupling; 146. the tailstock fixes a square tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: a multi-station engraving machine convenient for adjusting clamping distance comprises a machine frame body 1, a Y-direction transmission assembly 2 is installed at the top of the machine frame body 1, a tailstock square tube 4 and a dividing head chuck 10 are installed at the top of the Y-direction transmission assembly 2, a tailstock assembly 3 is installed at the position of the tailstock square tube 4, a moving platform body 14 is installed at the position of the dividing head chuck 10, the end part of the moving platform body 14 is fixedly connected with a dividing head installation frame 9, a plurality of tailstock assemblies 3 and a plurality of dividing head installation frames 9 are arranged, a left upright post 11 and a right upright post 11 are installed at the top of the machine frame body 1, an X-direction transmission assembly 8 is installed at the top of the left upright post 11 and the right upright post 11, a Z-direction transmission assembly 6 is installed at the top of the X-direction transmission assembly 8, a main shaft body 7 is installed on the surface of the X-direction transmission assembly 8, the dividing head installation frame 9 comprises a dividing head motor 901, and a dividing head speed reducer 902 is fixedly connected at the output end of the dividing head motor 901, an output end of the index head speed reducer 902 is fixedly connected with an index head coupler 903, an index head chuck 10 is respectively provided with an index head second bearing 905 and an index head first bearing 904, the side edge of the index head chuck 10 is provided with a locking chuck 908 and an index head thimble 909, the locking chuck 908 is rotatably connected with the index head chuck 10 through the index head second bearing 905 and the index head first bearing 904, the end part of the index head coupler 903 is fixedly connected with the locking chuck 908, the end part of the locking chuck 908 is provided with the index head thimble 909, the top part of the Y-direction transmission assembly 2 is provided with an index head bearing seat 906, the side edge of the index head bearing seat 906 is provided with a chuck shaft 907, the chuck shaft 907 is rotatably connected with the locking chuck 908, the tailstock assembly 3 comprises an index thimble 301, the surface of the tailstock thimble 301 is sleeved with the tailstock bearing seat 302, the surface of the tailstock bearing seat 302 is sleeved with the first bearing 303, the adjusting screw 306 is connected with the inner thread of the tailstock square tube 4, the thimble sleeve 305 is fixedly connected with the surface of the adjusting screw 306, the second tailstock bearing 307 is arranged at the joint of the surface of the adjusting screw 306 and the thimble sleeve 305, the thimble shaft 304 is fixedly connected with the end part of the adjusting screw 306, the end part of the thimble shaft 304 is fixed with the first tailstock bearing 303, the supporting and bearing effect is realized through the arranged frame body 1, the Y-direction moving processing of the material is convenient to control through the arranged Y-direction transmission assembly 2, the clamping and fixing effect is realized through the arranged tailstock assembly 3 and the index head mounting frame 9, the effects of supporting the Z-direction transmission assembly 6 and the X-direction transmission assembly 8 are realized through the arranged left and right upright posts 11, and the installation of the index head mounting frame 9 is convenient through the arranged index head chuck 10, the tailstock assembly 3 is convenient to mount through the arranged tailstock square tube 4, the dividing head motor 901 rotates under the driving of a control system, the rotating torque is improved under the action of a dividing head speed reducer 902, the rotating power is transmitted to the chuck shaft 907 through a dividing head coupler 903, the locking chuck 908 and the dividing head ejector pins 909 are integrally fixed on the chuck shaft 907, the chuck shaft 907 rotates to drive the dividing head ejector pins 909 to rotate, the dividing head ejector pins 909 and the tailstock ejector pins 301 clamp and tightly push a workpiece together, so that the workpiece is driven to rotate, the rotating motion of an A shaft is realized, the main shaft body 7 and the X shaft transmission assembly 8 are improved in rotating stability and reduced in rotating friction, and the dividing head bearing seat 906 plays a role in fixing the dividing head first bearing, the dividing head second bearing 905 and the chuck shaft 907; the tailstock bearing seat 302 and the first tailstock bearing 303 inside the tailstock bearing seat play roles in fixing the tailstock thimble 301 and reducing the friction resistance in the rotation process of the tailstock thimble 301, the adjusting screw 306 pushes the thimble shaft 304 to move back and forth in the rotation process of the hand wheel, the thimble sleeve 305 plays a role in guiding the thimble shaft 304, and the second tailstock bearing 307 reduces the friction and energy consumption in the rotation process and improves the transmission efficiency; the tailstock thimble 301, the tailstock bearing seat 302, the first tailstock bearing 303 and the thimble shaft 304 move forwards under the clockwise rotation driving of the rotating hand wheel, so that a workpiece is clamped, and move backwards under the anticlockwise rotation, so that the workpiece is loosened; the locking screw is arranged on the thimble sleeve 305 to control the locking and fixing of the workpiece in the machining process.

As can be known from fig. 2, the Y-direction transmission assembly 2 includes a Y-direction transmission motor 205, a Y-direction transmission screw 202 is installed at an output end of the Y-direction transmission motor 205, a Y-direction transmission plate 203 is installed at an output end of the Y-direction transmission screw 202, a movable platform 204 is installed at a top of the Y-direction transmission plate 203, the movable platform body 14 is installed at a top of the movable platform 204, a Y-direction transmission linear guide 201 is installed at a top of the rack body 1, a bottom of the Y-direction transmission screw 202 is slidably connected with the Y-direction transmission linear guide 201, the Y-direction transmission screw 202 and the Y-direction transmission motor 205 are all fixed on the rack body 1, a motor in the Y-direction transmission motor 205 is driven by a control system to rotate, the Y-direction transmission screw 202 is driven to rotate, the rotational motion is converted into a linear motion, and the Y-direction transmission linear guide 201 plays a Y-direction motion guiding and supporting role, thereby driving the Y-direction transmission plate 203 to move back and forth along the Y-direction of the machine; the movable platform 204 moves along the Y direction synchronously with the Y direction transmission plate 203; the whole moving platform body 14 is fixed on the movable platform 204, so that the Y-direction movement of the moving platform body 14 is driven; and Y-direction moving machining in the workpiece machining process is realized through the movement.

As can be seen from fig. 3, the moving platform body 14 includes a moving platform driving motor 144, the output end of the moving platform driving motor 144 is fixedly connected with a moving platform coupling 145, the moving platform coupling 145 is fixedly connected with the index head mounting frame 9, the top of the index head chuck 10 is connected with a moving platform linear guide rail 143 through a slider, the top of the moving platform linear guide rail 143 is fixedly connected with a tailstock fixing square tube 146, the end of the tailstock fixing square tube 146 is fixedly connected with a moving platform thimble 141, the surface of the tailstock fixing square tube 146 is fixedly connected with a left and right positioning fixing plates 142, the axis a is a rotation axis for clamping a workpiece, and controls the rotation motion after clamping the workpiece, the moving platform driving motor 144 is mainly driven by a control system to rotate, the rotation power is transmitted to the index head mounting frame 9 through the moving platform coupling 145, a plurality of groups of index head mounting frames 9 are fixed on the index head chuck 10 to be linked, the chuck is mainly composed of a three-claw or four-claw structure, and clamps the workpiece through the clamping jaws, and drives the rotation power to rotate the workpiece; the moving platform ejector pin 141 plays a role of fixing and clamping a workpiece, the moving platform ejector pin 141 is fixed on the tailstock fixing square tube 146 and can be linked to fix and clamp the workpiece at the same time, the tailstock fixing square tube 146 is fixed on the moving platform linear guide rail 143, the tailstock fixing square tube 146 and the moving platform ejector pin 141 are controlled to move forwards and backwards along the Y direction through the movement between the guide rail and the slide block, and the tailstock fixing square tube 146 and the moving platform ejector pin 141 can be fixed at the relative positions needing to be clamped through the left and right positioning fixing plates 142; the clamping work of materials with different lengths is realized; the A shaft realizes simultaneous clamping and linkage processing of a plurality of groups of workpieces through the structure, so that the processing efficiency is greatly improved, and the labor cost is saved.

As can be seen from fig. 5 and 6, the Z-direction transmission assembly 6 includes a Z-direction bottom plate 604, a motor fixing seat 603 fixedly connected to the surface of the Z-direction bottom plate 604, the Z-direction bottom plate 604 is fixed to the top of the X-direction transmission assembly 8, a Z-direction transmission driving motor 601 is installed on the top of the motor fixing seat 603, an output end of the Z-direction transmission driving motor 601 is fixedly connected to a Z-direction transmission coupling 602, an output end of the Z-direction transmission coupling 602 is fixedly connected to a Z-direction transmission lead screw 606, an end of the Z-direction transmission lead screw 606 is installed with a Z-direction sliding plate 607, a surface of the Z-direction sliding plate 607 is fixedly connected to a spindle transverse plate 609, a surface of the spindle main body 7 is fixedly connected to a spindle fixing frame 701, the spindle fixing frame 701 is fixed to the spindle transverse plate 609, a linear sliding rail 605 is provided inside the Z-direction bottom plate 604, a Z-direction transmission lead screw nut seat 608 is fixedly connected to the surface of the Z-direction transmission lead screw 606, the Z-direction transmission nut seat 608 is slidably connected to the linear sliding rail 605, the Z-direction transmission driving motor 601 under the driving of the control system, the Z-direction transmission driving motor 601 to rotate, the spindle fixing frame 601 to move up and down along the spindle main shaft 701, the spindle main body 701, the spindle transverse plate 701, the spindle main body is fixed to move along the Z-direction transmission lead screw to move up and down along the Z-direction sliding plate 607, the spindle main shaft 701; the motor fixing seat 603 and the driving motor 601 are fixed on the Z-direction bottom plate 604, the linear slide rail 605 performs Z-direction up-and-down motion guiding and fixing functions, the Z-direction transmission nut seat 608 fixes the feed screw nut on the Z-direction sliding plate rod 607, and the spindle transverse plate 609 fixes a plurality of groups of linkage spindles.

As can be seen from fig. 4, the X-direction transmission assembly 8 includes an X-direction transmission driving motor 801, an X-direction transmission coupling 803 is fixedly connected to an output end of the X-direction transmission driving motor 801, an X-direction transmission lead screw 804 is installed at an end of the X-direction transmission coupling 803, an X-direction transmission nut seat 807 is installed on a surface of the X-direction transmission lead screw 804, an X-direction transmission plate 805 is fixedly connected to a surface of the X-direction transmission nut seat 807, a surface of the X-direction transmission plate 805 is fixedly connected to the Z-direction transmission assembly 6, X-direction transmission motor seats 802 are installed at tops of left and right columns 11, the X-direction transmission driving motor 801 is installed at a top of the X-direction transmission motor seat 802, an X-direction transmission bearing seat 806 is fixedly connected to a top of the left and right columns 11, the X-direction transmission lead screw 804 is movably connected to the X-direction transmission bearing seat 806, the X-direction transmission driving motor 801 rotates under the driving of a control system, a rotary power is transmitted to the X-direction transmission lead screw 803 to the X-direction transmission motor seat 802, the X-direction transmission driving motor 801 to convert the transmission to a linear motion, the X-direction transmission coupling 803 to drive the X-direction transmission nut seat to move horizontally along the X transmission plate seat 805, and to realize a horizontal movement along the X-direction transmission plate assembly 805; the X-direction drive bearing block 806 functions to fix the X-direction drive screw 804; wherein, two groups of linear sliding rails are arranged on the front surface of the X direction to play roles in assisting the X direction fixing and guiding.

As can be known from fig. 1, the surface of the rack body 1 is provided with the control panel 5, the side of the rack body 1 is provided with the electronic box assembly 12, the top of the electronic box assembly 12 is provided with the display screen support 13, and the control panel 5, the electronic box assembly 12 and the display screen support 13 are all known to those skilled in the art, and therefore are not described in detail herein.

The utility model discloses a theory of operation: the device is when using, through using to X to transmission assembly 8, thereby reach and adjust the motion effect of X to the direction, conveniently remove about the material, play the motion effect to Z to the direction to transmission assembly 6 through the Z that sets up, conveniently reciprocate the material, play the motion to Y to the direction to transmission assembly 2 through the Y that sets up, and then make and reach the motion around the material, then play rotatory effect through the moving platform body 14 that sets up, conveniently rotate the material, cooperation between indexing head mounting bracket 9 and the tailstock assembly 3 through setting up, make when using the material, can effectually guarantee the centre gripping effect of material, can reach the effect of adjusting according to the variation in size of material simultaneously rather than, and then guarantee glyptic effect.

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

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a multistation engraver convenient to adjust centre gripping distance which characterized in that: comprises a frame body (1), wherein Y is installed at the top of the frame body (1) and is arranged towards a transmission assembly (2), a tailstock square tube (4) and a dividing head chuck (10) are installed at the top of the transmission assembly (2) by Y, the tailstock square tube (4) is provided with a tailstock assembly (3), the dividing head chuck (10) is provided with a mobile platform body (14), the end part of the mobile platform body (14) is fixedly connected with the dividing head mounting rack (9), the tailstock assembly (3) and the dividing head mounting rack (9) are both provided with a plurality of columns (11), a left column (11) and a right column (11) are installed at the top of the frame body (1), and the X is installed at the top of the left column (11) and the right column (8) towards the transmission assembly, X is installed to Z to transmission assembly (6) to the top of transmission assembly (8), X is to the surface mounting of transmission assembly (8) main shaft body (7), dividing head mounting bracket (9) are including dividing head motor (901), the output fixedly connected with dividing head speed reducer (902) of dividing head motor (901), the output fixedly connected with dividing head shaft coupling (903) of dividing head speed reducer (902), dividing head chuck (10) punishment do not is installed dividing head second bearing (905) and dividing head first bearing (904), the side of dividing head chuck (10) is provided with locking chuck (908) and divides The tailstock structure comprises a graduated head thimble (909), a locking chuck (908) is rotatably connected with a graduated head chuck (10) through a graduated head second bearing (905) and a graduated head first bearing (904), the end part of the graduated head coupler (903) is fixedly connected with the locking chuck (908), a graduated head thimble (909) is installed at the end part of the locking chuck (908), a graduated head bearing seat (906) is installed at the top of a Y-direction transmission assembly (2), a chuck shaft (907) is installed at the side edge of the graduated head bearing seat (906), the chuck shaft (907) is rotatably connected with the locking chuck (908), the tailstock assembly (3) comprises a tailstock thimble (301), the surface of the thimble (301) is sleeved with the tailstock bearing seat (302), the surface of the tailstock bearing seat (302) is sleeved with a first tailstock bearing (303), an adjusting screw (306) is connected with an inner thread of a tailstock square tube (4), the surface of the adjusting screw (306) is fixedly connected with a thimble sleeve (305), the surface of the adjusting screw (306) and the joint of the thimble sleeve (305) is provided with a second thimble bearing (307), and the end part of the thimble bearing (304) is connected with a second thimble bearing (304).

2. The multi-station engraving machine convenient for adjusting the clamping distance according to claim 1, characterized in that: y includes Y to drive motor (205) to transmission assembly (2), Y is installed Y to the output of drive motor (205) to transmission lead screw (202), Y is installed Y to transmission lead screw (202) output to transmission board (203), Y installs movable platform (204) to the top of transmission board (203), the top at movable platform (204) is installed in movable platform body (14), Y is installed to the top of frame body (1) to transmission linear guide (201), Y is to the bottom and the Y of transmission lead screw (202) to transmission linear guide (201) sliding connection.

3. The multi-station engraving machine convenient for adjusting the clamping distance according to claim 1, wherein: the movable platform comprises a movable platform body (14) and is characterized in that the movable platform body (14) comprises a movable platform driving motor (144), the movable platform driving motor (144) is fixedly connected with a movable platform coupler (145), the movable platform coupler (145) is fixedly connected with an indexing head mounting frame (9), the top of the indexing head chuck (10) is connected with a movable platform linear guide rail (143) through a sliding block, the top of the movable platform linear guide rail (143) is fixedly connected with a tailstock fixing square tube (146), the end of the tailstock fixing square tube (146) is fixedly connected with a movable platform thimble (141), and the surface of the tailstock fixing square tube (146) is fixedly connected with a left positioning fixing plate (142) and a right positioning fixing plate (142).

4. The multi-station engraving machine convenient for adjusting the clamping distance according to claim 1, wherein: the Z-direction transmission assembly (6) comprises a Z-direction bottom plate (604), a motor fixing seat (603) is fixedly connected to the surface of the Z-direction bottom plate (604), the Z-direction bottom plate (604) is fixed to the top of the X-direction transmission assembly (8), a Z-direction transmission driving motor (601) is installed at the top of the motor fixing seat (603), a Z-direction transmission coupling (602) is fixedly connected to the output end of the Z-direction transmission driving motor (601), a Z-direction transmission lead screw (606) is fixedly connected to the output end of the Z-direction transmission coupling (602), a Z-direction sliding plate rod (607) is installed at the end part of the Z-direction transmission lead screw (606), a main shaft transverse plate (609) is fixedly connected to the surface of the Z-direction sliding plate (607), a main shaft fixing frame (701) is fixedly connected to the surface of the main shaft main body (7), the main shaft fixing frame (701) is fixed to the main shaft transverse plate (609), a linear sliding rail (605) is arranged inside the Z-direction bottom plate (604), a Z-direction transmission lead screw (606) is fixedly connected to the surface of the Z-direction transmission lead screw (608), and the Z-direction transmission nut seat (608) is connected to the linear sliding rail (605).

5. The multi-station engraving machine convenient for adjusting the clamping distance according to claim 1, wherein: the X is to transmission assembly (8) including X to transmission driving motor (801), X is to transmission driving motor's (801) output fixedly connected with X to transmission shaft coupling (803), X is to transmission lead screw (804) installed to the tip of transmission shaft coupling (803), X is to surface mounting of transmission lead screw (804) X to transmission nut seat (807), X is to surface fixedly connected with X of transmission nut seat (807) to transmission plate (805), X is to the surface and the Z of transmission plate (805) to transmission assembly (6) fixed connection, X is to transmission motor seat (802) is installed at the top of controlling stand (11), X is to transmission driving motor (801) and is installed at the top of X to transmission motor seat (802), the top fixedly connected with X of controlling stand (11) is to transmission bearing frame (806), X is to transmission lead screw (804) and X to transmission bearing frame (806) swing joint.

6. The multi-station engraving machine convenient for adjusting the clamping distance according to claim 1, wherein: the surface mounting of frame body (1) has control panel (5), electronic box assembly (12) are installed to the side of frame body (1), display screen support (13) are installed at the top of electronic box assembly (12).

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