阅读说明：本技术 一种陶瓷艺术品加工用雕刻装置 (Engraving device is used in processing of pottery work of art ) 是由 卢涛 卢群山 于 2020-05-15 设计创作，主要内容包括：一种陶瓷艺术品加工用雕刻装置,本发明涉及陶瓷加工设备技术领域,导向电机的输出轴穿过支撑座的后侧板后,固定有主动轴,该主动轴上套设固定有主动齿轮,主动齿轮的上下两侧均啮合设置有从动齿轮,从动齿轮内穿设并固定有从动轴,从动轴上套设固定有伞形齿轮,上下两个伞形齿轮之间设置有导向块,导向块设置于主动齿轮的前侧,支撑座的左侧开设有开槽,导向块的左侧穿过开槽后,露设于支撑座的左侧,导向块的上下两侧均固定有齿条,齿条与伞形齿轮啮合设置,导向块的前侧固定有导向条,支撑座的前侧内壁上固定有导向座；能够对艺术品进行夹持,使艺术品处于稳固状态中,防止雕刻过程中艺术品发生偏移,提高了雕刻的精度。(The invention relates to a carving device for processing ceramic artworks, which relates to the technical field of ceramic processing equipment.A driving shaft is fixed after an output shaft of a guide motor passes through a rear side plate of a supporting seat, a driving gear is sleeved and fixed on the driving shaft, driven gears are respectively meshed and arranged on the upper side and the lower side of the driving gear, driven shafts are penetrated and fixed in the driven gears, bevel gears are sleeved and fixed on the driven shafts, a guide block is arranged between the upper bevel gear and the lower bevel gear and is arranged on the front side of the driving gear, a slot is arranged on the left side of the supporting seat, the left side of the guide block passes through the slot and then is exposed on the left side of the supporting seat, racks are respectively fixed on the upper side and the lower side of the guide block and are meshed with the bevel gears, a guide strip is fixed on the front side; the clamping device can clamp the artwork, so that the artwork is in a stable state, the artwork is prevented from deviating in the carving process, and the carving precision is improved.)

1. A carving device for processing ceramic artworks comprises a workbench (1), a longitudinal driving mechanism (2), a transverse driving mechanism (3) and a laser head (4), wherein the longitudinal driving mechanism (2) is fixed at the upper end of the left side of the workbench (1), the transverse driving mechanism (3) is arranged on the right side of the longitudinal driving mechanism (2), and the laser head (4) is arranged on the lower side of the transverse driving mechanism (3); the method is characterized in that: the automatic lifting device is characterized by further comprising a fixed plate (5), a pushing mechanism (6), a lifting cylinder (7), a supporting seat (8), a movable plate (9) and a moving mechanism (10), wherein the pushing mechanism (6) and the lifting cylinder (7) are sequentially arranged on the workbench (1) from left to right, the fixed plate (5) is arranged on the upper side of the pushing mechanism (6), the supporting seat (8) is fixed on the pushing end of the upper end of the lifting cylinder (7), the moving mechanism (10) is arranged in the supporting seat (8), and the movable plate (9) is arranged on the left side of the moving mechanism (10);

the pushing mechanism (6) comprises a pushing motor (6-1), an internal thread sleeve (6-2) and an external thread sleeve (6-3), the pushing motor (6-1) is fixed on the workbench (1), the pushing motor (6-1) is arranged on the right side of the longitudinal driving mechanism (2), a rotating shaft is fixed on the pushing end of the upper end of the pushing motor (6-1), the internal thread sleeve (6-2) is fixed on the rotating shaft, the external thread sleeve (6-3) is screwed on the internal thread sleeve (6-2) through threads, the upper end of the external thread sleeve (6-3) is fixedly connected with the fixing plate (5), a guide rod (6-4) is fixed on the upper end of the left side of the external thread sleeve (6-3), and a limiting groove (2-1) is formed in the inner wall of the longitudinal driving mechanism (2), the guide rod (6-4) is arranged in the limit groove (2-1) in a vertically sliding manner;

the moving mechanism (10) comprises a guide motor (10-1), a driving gear (10-2), a driven gear (10-3), a bevel gear (10-4) and a guide block (10-5), the rear side of the supporting seat (8) is fixedly provided with the guide motor (10-1), an output shaft of the guide motor (10-1) penetrates through the rear side plate of the supporting seat (8) and is fixedly provided with a driving shaft, the driving gear (10-2) is sleeved and fixed on the driving shaft, the upper side and the lower side of the driving gear (10-2) are respectively engaged with the driven gear (10-3), the driven gear (10-3) is internally provided with a driven shaft (10-6) in a penetrating and fixing manner, the front end and the rear end of the driven shaft (10-6) are respectively screwed and arranged in the supporting seat (8) through bearings, the bevel gear (10-4) is sleeved and fixed on the driven shaft, the bevel gears (10-4) are arranged on the front side of the driven gear (10-3), a guide block (10-5) is arranged between the upper bevel gear (10-4) and the lower bevel gear (10-4), the guide block (10-5) is arranged on the front side of the driving gear (10-2), a slot (8-1) is formed in the left side of the supporting seat (8), the left side of the guide block (10-5) penetrates through the slot (8-1) and is exposed on the left side of the supporting seat (8), the exposed end of the guide block is fixedly connected with the moving plate (9), racks (10-7) are fixed on the upper side and the lower side of the guide block (10-5), the racks (10-7) are meshed with the bevel gears (10-4), the guide strips (10-8) are fixed on the front side of the guide block (10-5), and a guide seat (10-9) is fixed on the inner wall of the front side of, a guide groove (10-10) is formed in the rear side of the guide seat (10-9), the guide groove (10-10) is communicated with the groove (8-1), and the guide strip (10-8) is arranged in the guide groove (10-10) in a left-right sliding manner;

the lifting cylinder (7) is connected with an external air source, and the pushing motor (6-1) and the guiding motor (10-1) are both connected with an external power supply.

2. The engraving device for processing the ceramic artwork of claim 1, wherein: the supporting seat is characterized in that a limiting seat (11) is fixed on the inner wall of the right side of the supporting seat (8), a supporting rod (12) is fixed on the right side of the guide block (10-5), the right end of the supporting rod (12) is inserted into a left groove body (11-1) of the limiting seat (11), guide grooves (11-2) are formed in the limiting seats (11) on the upper side and the lower side of the groove body (11-1) in a penetrating mode, guide blocks (13) are symmetrically fixed on the upper portion and the lower portion of the right end of the supporting rod (12), the guide blocks (13) slide left and right in the guide grooves (11-2), and the guide blocks (13) guide the supporting rod (12) in a limiting mode, so that the guide blocks (10-5).

3. The engraving device for processing the ceramic artwork of claim 1, wherein: a protective cushion layer (14) is fixed on the inner walls of the fixed plate (5) and the movable plate (9), and the left side and the right side of the work of art are protected by the protective cushion layer (14).

4. The engraving device for processing the ceramic artwork of claim 1, wherein: the automatic adjusting device is characterized in that fixed blocks (15) are symmetrically fixed on the workbench (1) in a front-back mode, the fixed blocks (15) are arranged between the fixed plate (5) and the movable plate (9), slide rails (16) are symmetrically fixed on the workbench (1) in a front-back mode, the slide rails (16) are arranged on the outer side of the fixed blocks (15), a telescopic motor (17) is fixed on the outer side of each fixed block (15), a lead screw (18) is fixed on an output shaft of the telescopic motor (17), a supporting frame (19) penetrates through the lead screw (18) through thread rotation, the supporting frame (19) is arranged in an L-shaped structure, the vertical end of the supporting frame (19) is arranged on the slide rails (16) in a front-back sliding mode through a sliding groove in the bottom of the supporting frame (; the screw rod (18) rotates to enable the support frame (19) on the screw rod to move, and the limiting plates (21) are used for limiting and clamping the front side and the rear side of the work of art; the telescopic motor (17) is connected with an external power supply.

5. The engraving device for processing the ceramic artwork as claimed in claim 4, wherein: a second protective cushion layer (20) is fixed on the inner wall of the limiting plate (21), and the front side and the rear side of the artwork workpiece are protected by the second protective cushion layer (20).

6. The engraving device for processing the ceramic artwork of claim 1, wherein: the working principle is as follows: the artwork workpiece is placed on the workbench (1) and is arranged between the fixed plate (5) and the movable plate (9), the fixed plate (5) limits the left side face of the artwork workpiece, the pushing motor (6-1) is started to drive the internal thread sleeve (6-2) to rotate, when the internal thread sleeve (6-2) rotates, the external thread sleeve (6-3) is pushed to move up and down through threads to drive the fixed plate (5) to move up and down, so that the fixed plate (5) limits the artwork workpieces with different heights, and the fixed plate (5) guides the artwork workpiece through the sliding of the guide rod (6-4) and the limiting groove (2-1) in the moving process; the movable plate (9) is driven to move up and down by the pushing of a lifting air cylinder (7), the movable plate (9) and the right side surface of an artwork workpiece are arranged at the same height, a guide motor (10-1) is started to drive a driving gear (10-2) to rotate, the driving gear (10-2) is meshed with a driven gear (10-3) to drive the driven gear (10-3) to rotate, the rotating directions of the driven gears (10-3) on the upper side and the lower side are the same, the driven gear (10-3) rotates to drive a driven shaft (10-6) to rotate and drive a bevel gear (10-4) to rotate, the bevel gear (10-4) is meshed with a rack (10-7) on the upper side of the guide block (10-5) to move in the left-right direction, the guide block (10-5) is moved, and when the bevel gear (10-4) on the upper side is meshed, the guide block (10-5) is driven to move leftwards, when the bevel gear (10-4) on the lower side is meshed with the rack (10-7) on the lower side of the guide block (10-5), the guide block (10-5) is driven to move rightwards, the phenomenon that the upper bevel gear (10-4) and the lower bevel gear (10-4) are meshed with the rack (10-7) of the guide block (10-5) simultaneously can not occur due to the fact that the angle of the bevel gear (10-4) is smaller than 180 degrees, and the guide block (10-5) drives the moving plate (9) to move in the moving process, so that the moving plate (9) is attached to the right side face of the work piece of the artwork, and the work piece of the artwork is limited and.

Technical Field

The invention relates to the technical field of ceramic processing equipment, in particular to a carving device for processing a ceramic artwork.

Background

The ceramic artwork becomes more and more common household ornaments, is beautiful and has certain collection value, and is used in the processing process of the ceramic artwork; in the process of processing the ceramic artwork, in order to make the appearance of the artwork more attractive, the outer surface of the artwork is coated with a pattern, and then the engraving device is utilized to engrave the artwork on the surface of the artwork along the line trend of the pattern; with the progress of the times and the development of society, the engraving technology is more and more advanced, the engraving precision is higher and the engraving speed is faster from the transition of manual engraving to laser engraving, and the application of a laser engraving machine gradually replaces the traditional engraving equipment and mode and becomes the main engraving equipment; at present, in the existing carving device for carving patterns on the surface of an artwork in the market, in the actual carving process, a workpiece is not convenient to fix in work, so that the position of the workpiece is easy to shift, and the carving precision is reduced; improvements are needed.

Disclosure of Invention

The invention aims to provide the carving device for processing the ceramic artwork, which is simple in structure, reasonable in design and convenient to use, aiming at overcoming the defects and shortcomings of the prior art, and can clamp the artwork, so that the artwork is in a stable state, the artwork is prevented from deviating in the carving process, and the carving precision is improved.

In order to achieve the purpose, the invention adopts the technical scheme that: the laser head driving device comprises a workbench, a longitudinal driving mechanism, a transverse driving mechanism and a laser head, wherein the longitudinal driving mechanism is fixed at the upper end of the left side of the workbench, the transverse driving mechanism is arranged on the right side of the longitudinal driving mechanism, and the laser head is arranged on the lower side of the transverse driving mechanism; the automatic lifting device is characterized by also comprising a fixed plate, a pushing mechanism, a lifting cylinder, a supporting seat, a movable plate and a moving mechanism, wherein the pushing mechanism and the lifting cylinder are sequentially arranged on the workbench from left to right;

the pushing mechanism comprises a pushing motor, an internal thread sleeve and an external thread sleeve, the pushing motor is fixed on the workbench, the pushing motor is arranged on the right side of the longitudinal driving mechanism, a rotating shaft is fixed on the pushing end of the upper end of the pushing motor, the internal thread sleeve is fixed on the rotating shaft, the external thread sleeve is arranged on the internal thread sleeve in a screwed connection mode through threads, the upper end of the external thread sleeve is fixedly connected with the fixing plate, a guide rod is fixed on the upper end of the left side of the external thread sleeve, a limiting groove is formed in the inner wall of the longitudinal driving mechanism, and the guide rod is arranged in the limiting groove in;

the moving mechanism comprises a guide motor, a driving gear, a driven gear, a bevel gear and a guide block, wherein the guide motor is fixed on the rear side of the supporting seat, the driving shaft is fixed after an output shaft of the guide motor passes through a rear side plate of the supporting seat, the driving gear is sleeved and fixed on the driving shaft, the driven gear is meshed with the upper side and the lower side of the driving gear, the driven shaft penetrates through and is fixed in the driven gear, the front end and the rear end of the driven shaft are respectively screwed and arranged in the supporting seat through bearings, the bevel gear is sleeved and fixed on the driven shaft and is arranged on the front side of the driven gear, the guide block is arranged between the upper bevel gear and the lower bevel gear and is arranged on the front side of the driving gear, a slot is arranged on the left side of the supporting seat after the left side of the guide block passes through the slot, the exposed end of the left side, the rack is meshed with the bevel gear, a guide strip is fixed on the front side of the guide block, a guide seat is fixed on the inner wall of the front side of the support seat, a guide groove is formed in the rear side of the guide seat and is communicated with the groove, and the guide strip is arranged in the guide groove in a left-right sliding manner;

the lifting cylinder is connected with an external air source, and the pushing motor and the guiding motor are both connected with an external power supply.

Furthermore, the right side inner wall of supporting seat on be fixed with the spacing seat, the right side of guide block is fixed with branch, the right-hand member of branch is inserted and is established in the left side cell body of spacing seat, the spacing seat that is located the upper and lower both sides of cell body is interior to be run through and has been seted up the guide slot, the right-hand member longitudinal symmetry of branch is fixed with the guide block, the guide block horizontal slip sets up in the guide slot.

Furthermore, the inner walls of the fixed plate and the movable plate are respectively fixed with a first protective cushion layer.

Furthermore, fixed blocks are symmetrically fixed on the workbench in a front-back manner, the fixed blocks are arranged between the fixed plate and the movable plate, slide rails are symmetrically fixed on the workbench in a front-back manner, the slide rails are arranged on the outer side of the fixed blocks, a telescopic motor is fixed on the outer side of the fixed blocks, a lead screw is fixed on an output shaft of the telescopic motor, a support frame is rotatably penetrated on the lead screw through threads, the support frame is arranged in an L-shaped structure, the vertical end of the support frame is arranged on the slide rails in a front-back sliding manner through a sliding chute at the bottom of the support frame, and the horizontal end; the telescopic motor is connected with an external power supply.

Furthermore, a second protective cushion layer is fixed on the inner wall of the limiting plate.

The working principle of the invention is as follows: the artwork workpiece is placed on a workbench and is arranged between a fixed plate and a movable plate, the left side surface of the artwork workpiece is attached to the fixed plate, an internal thread sleeve is driven to rotate by being started by a pushing motor, when the internal thread sleeve rotates, the external thread sleeve is pushed to move up and down by threads, so that the fixed plate is driven to move up and down, the fixed plate limits the artwork workpieces with different heights, an up-and-down moving plate is driven to move by being pushed by a lifting cylinder, the movable plate and the right side surface of the artwork workpiece are arranged at the same height, a driving gear is driven to rotate by being started by a guide motor, the driving gear is meshed with the driving gear to drive the driven gear to rotate, the driven gears on the upper side and the lower side are the same in rotation direction, the driven gear rotates a driven shaft to drive a bevel gear to rotate, the guide block is driven to move leftwards when the bevel gear on the upper side is meshed with the rack on the upper side of the guide block, the guide block is driven to move rightwards when the bevel gear on the lower side is meshed with the rack on the lower side of the guide block, and the angle of the bevel gear is smaller than 180 degrees, so that the phenomenon that the upper bevel gear and the lower bevel gear are meshed with the racks of the guide block at the same time is avoided.

After adopting the structure, the invention has the beneficial effects that:

1. the fixing plate limits the left side of the work of art, and the fixing plate adjusts the height according to the different heights of the work of art;

2. the movable plate limits the right side of the work of art, and can be adjusted according to different heights and lengths of the work of art, so that the movable plate can limit and clamp different work of art;

3. the front side and the rear side of the work of art are limited by the movable plate, so that the stability of the work of art is reinforced, and the engraving precision is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a right side view of fig. 1.

FIG. 4 is a schematic view of the internal structure of the support base of the present invention.

Fig. 5 is a schematic structural view of the moving mechanism of the present invention.

Description of reference numerals:

the device comprises a workbench 1, a longitudinal driving mechanism 2, a limiting groove 2-1, a transverse driving mechanism 3, a laser head 4, a fixing plate 5, a pushing mechanism 6, a pushing motor 6-1, an internal thread sleeve 6-2, an external thread sleeve 6-3, a guide rod 6-4, a lifting cylinder 7, a supporting seat 8, a groove 8-1, a moving plate 9, a moving mechanism 10, a guide motor 10-1, a driving gear 10-2, a driven gear 10-3, a bevel gear 10-4, a guide block 10-5, a driven shaft 10-6, a rack 10-7, a guide strip 10-8, a guide seat 10-9, a guide groove 10-10, a limiting seat 11, a groove body 11-1, a guide groove 11-2, a supporting rod 12, a guide block 13, a first protective cushion layer 14, a fixing block 15, a slide rail 16, a telescopic motor 17, a guide, The device comprises a screw rod 18, a support frame 19, a second protective cushion layer 20 and a limiting plate 21.

Detailed Description

The invention will be further described with reference to the accompanying drawings.

Referring to fig. 1 to 5, the technical solution adopted by the present embodiment is: the laser engraving machine comprises a workbench 1, a longitudinal driving mechanism 2, a transverse driving mechanism 3 and a laser head 4, wherein the longitudinal driving mechanism 2 is fixedly welded at the upper end of the left side of the workbench 1, the transverse driving mechanism 3 is arranged at the right side of the longitudinal driving mechanism 2, the laser head 4 is arranged at the lower side of the transverse driving mechanism 3, the specific connection relation among the longitudinal driving mechanism 2, the transverse driving mechanism 3 and the laser head 4 is the prior public technology, and in a laser engraving machine disclosed by the authorized publication No. CN201510588612.1, the detailed description is already carried out on the specific connection structure among the longitudinal driving mechanism 2, the transverse driving mechanism 3 and the laser head 4, so that the redundant description is not repeated; the novel work piece clamping device is characterized by further comprising a fixing plate 5, a pushing mechanism 6, a lifting cylinder 7, a supporting seat 8, a moving plate 9 and a moving mechanism 10, wherein the pushing mechanism 6 and the lifting cylinder 7 are sequentially arranged on the workbench 1 from left to right, the fixing plate 5 is arranged on the upper side of the pushing mechanism 6, the supporting seat 8 is fixedly welded on the pushing end of the upper end of the lifting cylinder 7 of the type TN20, the moving mechanism 10 is arranged in the supporting seat 8, the moving plate 9 is arranged on the left side of the moving mechanism 10, a first protective cushion layer 14 made of silica gel materials is fixedly adhered on the inner walls of the fixing plate 5 and the moving plate 9 through adhesives, and the first protective cushion layer 14 protects work pieces and prevents the work pieces from being damaged when the work;

the pushing mechanism 6 comprises a pushing motor 6-1, an internal thread bushing 6-2 and an external thread bushing 6-3, the pushing motor 6-1 with the model of 60KTYZ is fixed on the workbench 1 by screws, the pushing motor 6-1 is arranged at the right side of the longitudinal driving mechanism 2, a rotating shaft is welded and fixed on the pushing end at the upper end of the pushing motor 6-1, an internal thread sleeve 6-2 is fixedly welded on the rotating shaft, an external thread sleeve 6-3 is arranged on the internal thread sleeve 6-2 in a screwed connection mode through threads, the upper end of the external thread sleeve 6-3 is fixedly welded with a fixing plate 5, a guide rod 6-4 is fixedly arranged at the upper end of the left side of the external thread sleeve 6-3, a limiting groove 2-1 is formed in the inner wall of the longitudinal driving mechanism 2, and the guide rod 6-4 is arranged in the limiting groove 2-1 in a vertically sliding mode;

the moving mechanism 10 comprises a guide motor 10-1, a driving gear 10-2, a driven gear 10-3, a bevel gear 10-4 and a guide block 10-5, wherein the rear side of a supporting seat 8 is fixed with the guide motor 10-1 with the model number of 60KTYZ by screws, an output shaft of the guide motor 10-1 penetrates through a rear side plate of the supporting seat 8 and is fixedly welded with a driving shaft, the driving gear 10-2 is sleeved and fixed on the driving shaft, the upper side and the lower side of the driving gear 10-2 are respectively engaged with the driven gear 10-3, a driven shaft 10-6 is penetrated and fixedly welded in the driven gear 10-3, the front end and the rear end of the driven shaft 10-6 are respectively screwed and arranged in the supporting seat 8 through bearings, the bearings are respectively embedded and fixed on the inner wall of the supporting seat 8, and the driven shafts 10-6 are inserted and, a bevel gear 10-4 is fixedly sleeved on a driven shaft 10-6, the bevel gear 10-4 is arranged at the front side of a driven gear 10-3, a guide block 10-5 is arranged between an upper bevel gear 10-4 and a lower bevel gear 10-4, the guide block 10-5 is arranged at the front side of a driving gear 10-2, a slot 8-1 is arranged at the left side of a supporting seat 8, the left side of the guide block 10-5 passes through the slot 8-1 and is exposed at the left side of the supporting seat 8, the exposed end of the guide block is fixedly welded with a moving plate 9, racks 10-7 are fixedly welded at the upper side and the lower side of the guide block 10-5, the racks 10-7 are meshed with the bevel gears 10-4, a guide strip 10-8 is fixedly welded at the front side of the guide block 10-5, and a guide seat 10-9 is fixedly welded on the inner, a guide groove 10-10 is formed in the rear side of the guide seat 10-9, the guide groove 10-10 is communicated with the groove 8-1, and the guide strip 10-8 is arranged in the guide groove 10-10 in a left-right sliding mode; a limiting seat 11 is fixedly welded on the inner wall of the right side of the supporting seat 8, a supporting rod 12 is fixedly welded on the right side of the guide block 10-5, the right end of the supporting rod 12 is inserted into a left groove body 11-1 of the limiting seat 11, a guide groove 11-2 is formed in the limiting seat 11 positioned on the upper side and the lower side of the groove body 11-1 in a penetrating manner, guide blocks 13 are symmetrically welded and fixed on the right end of the supporting rod 12 in an up-and-down manner, the guide blocks 13 are arranged in the guide groove 11-2 in a left-and-right sliding manner, the guide block 10-5 drives the supporting rod 12 to move when moving, and the supporting rod 12 is guided through the sliding fit of the guide blocks 13 and the guide groove 11-2, so;

fixed blocks 15 are symmetrically welded and fixed on the workbench 1 in a front-back manner, the fixed blocks 15 are arranged between the fixed plate 5 and the movable plate 9, slide rails 16 are symmetrically welded and fixed on the workbench 1 in a front-back manner, the slide rails 16 are arranged on the outer side of the fixed blocks 15, telescopic motors 17 with the model number of 60KTYZ are fixed on the outer side of the fixed blocks 15 by screws, lead screws 18 are welded and fixed on output shafts of the telescopic motors 17, support frames 19 penetrate through the lead screws 18 through threads in a rotating manner, the support frames 19 are arranged in an L-shaped structure, the vertical ends of the support frames 19 are arranged on the slide rails 16 in a front-back sliding manner through sliding grooves in the bottoms of the support frames, the horizontal ends in the support frames 19 are fixedly welded with limit plates 21, the telescopic motors 17 are started to drive the lead screws 18 to rotate, so that the support frames 19 move, the stability of the work piece of the artwork is improved, the second protective cushion layer 20 made of silica gel is fixed on the inner wall of the limiting plate 21 through adhesive, and the front side and the rear side of the work piece of the artwork are protected by the second protective cushion layer 20;

the lifting cylinder 7 is connected with an external air source through an air pipe, and the pushing motor 6-1, the guiding motor 10-1 and the telescopic motor 17 are connected with the external power source through power wires.

The working principle of the specific embodiment is as follows: an artwork workpiece is placed on a workbench 1 and is arranged between a fixed plate 5 and a movable plate 9, the left side surface of the artwork workpiece is attached to the fixed plate 5, the inner thread sleeve 6-2 is driven to rotate by starting a pushing motor 6-1, when the inner thread sleeve 6-2 rotates, the outer thread sleeve 6-3 is driven to move up and down by threads, so that the fixed plate 5 is driven to move up and down, the artwork workpieces with different heights are limited by the fixed plate 5, the upper and lower movable plates 9 are driven to move by pushing of a lifting cylinder 7, the movable plate 9 and the right side surface of the artwork workpiece are arranged at the same height, a driving gear 10-2 is driven to rotate by starting a guide motor 10-1, and the driving gear 10-2 is meshed with a driven gear 10-3 to rotate, the rotation directions of the driven gears 10-3 at the upper side and the lower side are the same, the driven gear 10-3 rotates to enable the driven shaft 10-6 to rotate to drive the bevel gear 10-4 to rotate, the bevel gear 10-4 is meshed with the rack 10-7 to drive the rack 10-7 to move in the left-right direction to enable the guide block 10-5 to move, when the bevel gear 10-4 at the upper side is meshed with the rack 10-7 at the upper side of the guide block 10-5, the guide block 10-5 is driven to move leftwards, when the bevel gear 10-4 at the lower side is meshed with the rack 10-7 at the lower side of the guide block 10-5, the guide block 10-5 is driven to move rightwards, and because the angle of the bevel gear 10-4 is less than 180 degrees, the phenomenon that the upper bevel gear 10-4 and the lower bevel gear 10-4 are meshed with the rack, in the moving process of the guide block 10-5, the moving plate 9 is driven to move, so that the moving plate 9 is attached to the right side face of the work of art, and the work of art is limited and clamped; the telescopic motor 17 is started to drive the screw rod 18 to rotate, the support frame 19 is made to move, the limiting plate 21 conducts limiting clamping operation on the front side and the rear side of the artwork workpiece, and the overall stability of the artwork workpiece is improved.

After adopting above-mentioned structure, this embodiment beneficial effect does:

1. the fixing plate 5 limits the left side of the work of art, and the fixing plate 5 adjusts the height according to the difference of the height of the work of art;

2. the movable plate 9 limits the right side of the work of art, and the movable plate 9 can be adjusted according to different heights and lengths of the work of art, so that the movable plate 9 limits and clamps different work of art;

3. the front side and the rear side of the work of art are limited by the limiting plates 21, so that the stability of the work of art is enhanced, and the engraving precision is improved.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.