CN110842996A - A four-axis double-sided engraving machine - Google Patents

Abstract

The invention discloses a four-axis double-sided engraving machine in the technical field of engraving machines, which comprises a main frame, wherein the bottom of an inner cavity of the main frame is provided with a telescopic supporting mechanism, the telescopic supporting mechanism can slide and adjust left and right relative to the main frame, the top of the telescopic supporting mechanism is provided with a workpiece lifting and pressing structure, the left side of the main frame is provided with a workpiece lifting and overturning mechanism, the top of the main frame is provided with a Y-axis moving mechanism, the moving end of the top of the Y-axis moving mechanism is provided with an X-axis moving mechanism, the moving end of the front side of the X-axis moving mechanism is provided with a Z-axis moving mechanism, and an engraving main shaft is arranged below the lifting end of the front side, for the blank with larger surface size and more required engraving details, the telescopic supporting mechanism can be attached to the bottom surface of the blank after being unfolded for assisting in supporting the blank, so that the influence on the detailed appearance of the product due to shaking in the machining process is prevented.

Description

A four-axis double-sided engraving machine

technical field

The invention relates to the technical field of engraving machines, in particular to a four-axis double-sided engraving machine.

Background technique

The main structure of the foam engraving machine consists of a fixed bed frame, a longitudinally movable gantry, a laterally movable head assembly, a vertically movable head, a main shaft and a tool to realize the foam engraving processing of the whole machine, among which the fixed bed machine The frame adopts high-strength square tube structure to improve the overall strength and structural stability of the frame to improve the accuracy of engraving processing. The Y-axis guide rails are laid on the side beams of the frame to effectively improve the stability of the gantry beam. The foam workpiece is clamped on the bed frame, and the function of foam carving is realized through the gantry beam and the head part. Foam engraving machine is a kind of CNC equipment specialized in processing foam. It is a light CNC machine tool, and the rigidity and precision requirements of the foam engraving machine are slightly lower than that of the heavy metal cutting machine tool.

Traditional foam engraving machines can generally only support single-piece engraving processing. In order to improve the working efficiency and processing diversification of engraving machines, such as the "Practical New Foam Engraving Machine" published in the utility model patent application number CN201620998695.1, or the patent application The utility model patent with the application number CN201821934352.4 discloses "a new type of four-axis foam engraving machine". This type of device adds a fourth axis on the basis of the traditional three-axis engraving machine for the turning of the workpiece, so as to realize The function of processing the peripheral wall of the columnar sculpture, at the same time, the sculpture turning operation of ordinary plane processing can also be automatically completed by the equipment, which improves the processing efficiency of the device to a certain extent. However, in the existing four-axis engraving machine, the workpiece blank is generally clamped by the two ends of the equipment clamping mechanism, and the blank is completely suspended during processing, especially for the blank with larger surface size and more engraving details. , Different degrees of jitter will occur during the engraving process, which will reduce the engraving accuracy and affect the appearance of product details.

Based on this, a four-axis double-sided engraving machine was invented and designed to solve the above problems.

SUMMARY OF THE INVENTION

The purpose of the invention is to provide a four-axis double-sided engraving machine to solve the above technical problems.

In order to achieve the above purpose, the invention provides the following technical solutions: a four-axis double-sided engraving machine, including a main frame, a telescopic support mechanism is provided at the bottom of the inner cavity of the main frame, and the telescopic support mechanism can slide left and right relative to the main frame Adjustment, the top of the telescopic support mechanism is provided with a workpiece lifting and pressing structure, the left side of the main frame is provided with a workpiece lifting and turning mechanism, and the top of the main frame is provided with a Y-axis moving mechanism. The top moving end is provided with an X-axis moving mechanism, the front side moving end of the X-axis moving mechanism is provided with a Z-axis moving mechanism, and an engraving spindle is installed under the front side lifting end of the Z-axis moving mechanism.

Preferably, the telescopic support mechanism includes a pair of first sliding rod guide rails and a pair of second sliding rod guide rails, the first sliding rod guide rails are installed upward, and the top of the first sliding rod guide rails passes through the first support mechanism The sliding block is slidably installed with a support and mounting plate for installing the lifting and pressing structure of the workpiece, the second sliding rod guide rail is installed sideways opposite to each other, and the second sliding rod guide rail is slidably installed on the second sliding rod guide block through the second supporting mechanism. The profile supporting beams are equally spaced side by side and spaced apart, and a scissor telescopic frame is arranged between the second sliding rod guide rails. In the bottom chute, telescopic cylinders are hingedly installed on both sides of the bottom of the support mounting plate, and the telescopic ends of the telescopic cylinders on both sides are hinged with the two ends of the scissor telescopic frame respectively.

Preferably, a positioning screw is screwed on the top of the sliding block of the first support mechanism, and the bottom end of the positioning screw is in contact with the first sliding rod guide rail when screwed.

Preferably, the workpiece lifting and pressing structure includes a gantry mounting frame, and right lifting slide rails are provided on the left and right sides of the gantry mounting frame, and a right lifting slide rail is slidably installed on the right lifting slide rail through the right lifting slider. The side lift mounting plate, the right lift mounting plate is rotatably installed with a pressing plate through a rotating bearing seat, a motor mounting seat is arranged under the gantry mounting frame, and a right lifting motor and a right side are installed on the top of the motor mounting seat. Lifting screw, the bottom end of the right lifting motor and the right lifting screw are connected by a lifting synchronous belt assembly, the right lifting screw is screwed with a right lifting nut seat, and the right lifting nut The seat is fixedly mounted on one side of the right lifting mounting plate.

Preferably, the workpiece lifting and turning mechanism includes a left lifting slide rail mounted on the left side of the main frame. On the left lifting slide rail, a left lifting installation plate is slidably installed through the left lifting sliding block, a reversing transmission box is installed on the outer side of the left lifting installation plate, and a reverse transmission box is installed at the bottom of the reversing transmission box. motor, a flip plate is installed on the inner side of the reversing transmission box, a left lifting motor seat is installed on the left side of the main frame and located between the left lifting slide rails, and the bottom of the left lifting motor seat is installed There is a left lift motor, the top output end of the left lift motor is driven and connected with a left lift screw, the outer wall of the left lift screw is screwed with a left lift nut seat, and the left lift nut seat It is fixedly installed on one side of the left lifting mounting plate.

Preferably, the Y-axis moving mechanism includes a Y-axis main beam spanning the left and right sides of the main frame, and a main beam support seat is symmetrically arranged on the left and right sides of the bottom of the Y-axis main beam. The main beam support seat The bottom of the frame is slidably installed with a Y-axis slide rail through the Y-axis slider, the Y-axis slide rail is fixedly installed on the main frame, and a Y-axis transmission box is installed on the main beam support base, and the Y-axis transmission box is installed A Y-axis motor is installed on the top, and a Y-axis driving gear connected to the Y-axis motor is arranged at the bottom of the Y-axis transmission box. One side of the Y-axis driving gear is meshed with a Y-axis rack. The shaft rack is fixedly mounted on the main frame.

Preferably, the X-axis moving mechanism includes a pair of X-axis slide rails fixedly mounted on the Y-axis moving mechanism, and an X-axis mounting plate is slidably installed on the X-axis slide rails through the X-axis slide block, and the X-axis An X-axis transmission box is installed on the front side of the mounting plate, an X-axis motor is installed on the front side of the X-axis transmission box, and an X-axis driving gear connected with the X-axis motor is arranged on the rear side of the X-axis transmission box. The top of the X-axis driving gear is meshed with an X-axis rack, the X-axis rack is fixedly installed on the Y-axis moving mechanism, and a Z-axis lifting frame is arranged on the front side of the X-axis mounting plate. The Z-axis lifting slide rails are fixedly installed on both sides of the back, the Z-axis lifting slide rails are slidably installed with the X-axis mounting plate through the Z-axis lifting slider, and the Z-axis lifting frame is installed with a Z-axis motor on the top of the inner cavity , the middle of the back of the Z-axis lifting frame is rotatably installed with a Z-axis lifting screw, and the top of the Z-axis lifting screw is connected to the top output end of the Z-axis motor through a Z-axis synchronous belt assembly. The outer wall of the shaft lifting screw is screwed with a Z-axis lifting nut seat, the Z-axis lifting nut seat is fixedly installed with the X-axis mounting plate, and the engraving spindle is fixedly installed with the bottom of the Z-axis lifting frame.

Preferably, a cylinder mounting plate is mounted on the front side of the X-axis mounting plate, an auxiliary lifting cylinder is mounted on the cylinder mounting plate, and the bottom telescopic end of the auxiliary lifting cylinder is mounted and connected to the bottom outer side wall of the Z-axis lifting frame.

Preferably, profile panels are laid on the bottom of the main frame, and the profile panels are located on the front and rear sides of the telescopic support mechanism.

Compared with the prior art, the beneficial effects of the invention are:

The four-axis double-sided engraving machine of the present invention mainly includes a telescopic support mechanism, a workpiece lifting and pressing structure, a workpiece lifting and turning mechanism, a Y-axis moving mechanism, an X-axis moving mechanism, a Z-axis moving mechanism and an engraving spindle, among which the Y-axis moving The mechanism, the X-axis moving mechanism and the Z-axis moving mechanism are coordinated to be used for the engraving spindle to run in three-dimensional space to realize three-dimensional engraving; the workpiece lifting and pressing structure cooperates with the workpiece lifting and turning mechanism, which is used to clamp and fix the workpiece blank and Realize automatic rotation or aspect, so as to realize the automatic continuous processing of column sculpture and double-sided sculpture. In addition, the telescopic support mechanism in this device is arranged at the bottom of the main frame, and can be automatically controlled to extend and retract through the driving of two sets of telescopic cylinders. When the blank is turned over or the main blank is processed, the telescopic support mechanism can automatically retract and give way, especially for the blank with larger surface size and more engraving details, after being unfolded by the telescopic support mechanism, it can be attached to the bottom surface of the blank for assistance Supporting the blank to prevent jitter during processing, which will affect the appearance of product details.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the invention, which are not suitable for ordinary people in the art. As far as technical personnel are concerned, other drawings can also be obtained based on these drawings without any creative effort.

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

Fig. 2 is the overall structure schematic diagram two of the present invention;

3 is a schematic structural diagram of a telescopic support mechanism of the present invention;

Fig. 4 is the second structural schematic diagram of the telescopic support mechanism of the present invention;

5 is a schematic structural diagram of the lifting and pressing structure of the workpiece according to the present invention;

6 is a second structural schematic diagram of the lifting and pressing structure of the workpiece according to the present invention;

7 is a schematic structural diagram of the workpiece lifting and turning mechanism of the present invention;

Fig. 8 is the second structural schematic diagram of the workpiece lifting and turning mechanism of the present invention;

9 is a schematic structural diagram of the Y-axis moving mechanism according to the present invention;

FIG. 10 is a second structural schematic diagram of the Y-axis moving mechanism according to the present invention;

11 is a schematic structural diagram of the X-axis moving mechanism according to the present invention;

FIG. 12 is a second structural schematic diagram of the X-axis moving mechanism according to the present invention.

In the accompanying drawings, the list of components represented by each number is as follows:

1-Main frame, 2-Telescopic support mechanism, 3-Workpiece lifting and pressing structure, 4-Workpiece lifting and turning mechanism, 5-Y-axis moving mechanism, 6-X-axis moving mechanism, 7-Z-axis moving mechanism, 8-Engraving Spindle, 9-profile panel;

21- The first slide bar guide rail, 22- The second slide bar guide rail, 23- The first support mechanism slider, 24- Support mounting plate, 25- The second support mechanism slider, 26- Profile support beam, 27- Scissor fork Telescopic frame, 28- hinge pin, 29- telescopic cylinder, 210- positioning screw;

31-Gantry Mounting Frame, 32-Right Lifting Slide Rail, 33-Right Lifting Slider, 34-Right Lifting Mounting Plate, 35-Rotating Bearing Seat, 36-Pressing Plate, 37-Motor Mounting Seat, 38-Right Side lifting motor, 39-right lifting screw, 310-lifting synchronous belt assembly, 311-right lifting nut seat;

41-left lift rail, 42-left lift slider, 43-left lift mounting plate, 44-reversing gear box, 45-turning motor, 46-turning plate, 47-left lift motor seat, 48 - Left lift motor, 49- Left lift screw, 410- Left lift nut seat;

51-Y-axis main beam, 52-main beam support base, 53-Y-axis slider, 54-Y-axis slide rail, 55-Y-axis transmission box, 56-Y-axis motor, 57-Y-axis driving gear, 58- Y-axis rack;

61-X-axis slide rail, 62-X-axis slider, 63-X-axis mounting plate, 64-X-axis transmission box, 65-X-axis motor, 66-X-axis drive gear, 67-X-axis rack, 68- Z-axis lifting frame, 69-Z-axis lifting slide rail, 610-auxiliary lifting cylinder, 611-Z-axis motor, 612-Z-axis lifting screw, 613-Z-axis timing belt assembly, 614-cylinder mounting plate.

Detailed ways

The technical solutions in the embodiments of the invention will be clearly and completely described below with reference to the drawings in the embodiments of the invention. Obviously, the described embodiments are only a part of the embodiments of the invention, not all of the embodiments. Based on the embodiments in the invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the invention.

1-12, the invention provides a technical solution: a four-axis double-sided engraving machine, comprising a main frame 1, a telescopic support mechanism 2 is arranged at the bottom of the inner cavity of the main frame 1, and the telescopic support mechanism 2 is opposite to the main frame 1. It can be slid left and right. The top of the telescopic support mechanism 2 is provided with a workpiece lifting and pressing structure 3. The left side of the main frame 1 is provided with a workpiece lifting and turning mechanism 4. The top of the main frame 1 is provided with a Y-axis moving mechanism 5. The Y-axis moves The top moving end of the mechanism 5 is provided with an X-axis moving mechanism 6 , the front moving end of the X-axis moving mechanism 6 is provided with a Z-axis moving mechanism 7 , and an engraving spindle 8 is installed under the front lifting end of the Z-axis moving mechanism 7 .

Further, as shown in Figs. 3-4, the telescopic support mechanism 2 includes a pair of first sliding rod guide rails 21 and a pair of second sliding rod guide rails 22, the first sliding rod guide rails 21 are installed upward, and the first sliding rod guide rails 21 The top of the slide rail 22 is slidably installed with a support mounting plate 24 for installing the workpiece lifting and pressing structure 3 through the slider 23 of the first support mechanism. The slider 25 is slidably installed with a number of profile support beams 26 equidistantly spaced side by side, and a scissor telescopic frame 27 is arranged between the second sliding rod guide rails 22 . Installed in the bottom chute of the profile support beam 26, the two sides of the bottom of the support mounting plate 24 are hingedly installed with telescopic cylinders 29, and the telescopic ends of the two sides of the telescopic cylinders 29 are hinged with the two sides of the scissor telescopic frame 27 respectively. A positioning screw 210 is screwed on the top of the sliding block 23 of a support mechanism, and the bottom end of the positioning screw 210 is in contact with the first sliding rod guide rail 21 when tightened;

When clamping the blank, first close the profile support beam 26 at the bottom, abut one end of the blank with the turning plate 46 of the workpiece lifting and turning mechanism 4, loosen the positioning screw 210 on the slider 23 of the first support mechanism, and lift the workpiece. The abutting structure 3 is pushed toward the side of the workpiece lifting and turning mechanism 4 until the other end face of the blank abuts against the abutting plate 36 of the workpiece lifting and pressing structure 3. The surface of the abutting plate 36 can be appropriately provided with a rivet structure to play an anti-slip effect to improve the clamping force. To maintain stability, it can be positioned by locking 210 after abutting and clamping.

The two telescopic cylinders 29 communicate with the external air source at the same time and are controlled synchronously. When the telescopic cylinders 29 on both sides are extended at the same time, the scissor telescopic frame 27 is stretched along the length direction, and then each profile support beam 26 is equally spaced apart. And evenly placed at the bottom of the blank to support the blank; when the telescopic cylinders 29 on both sides are synchronously contracted, the scissor telescopic frame 27 is retracted along the length direction, and then the distance between each profile support beam 26 is reduced, and is retracted close to the telescopic cylinder 29 On one side, it provides space for blank turning or cylindrical blank clamping.

Further, as shown in FIGS. 5-6 , the workpiece lifting and pressing structure 3 includes a gantry mounting frame 31 . The left and right sides of the gantry mounting frame 31 are provided with right lifting slide rails 32 , and the right lifting slide rail 32 passes through the right side. The lifting slider 33 is slidably mounted with a right lifting mounting plate 34 , a pressing plate 36 is rotatably mounted on the right lifting mounting plate 34 through a rotating bearing seat 35 , a motor mounting seat 37 is arranged under the gantry mounting frame 31 , and the top of the motor mounting seat 37 is installed. The right lifting motor 38 and the right lifting screw 39 are installed. The bottom ends of the right lifting motor 38 and the right lifting screw 39 are connected by the lifting synchronous belt assembly 310. The right lifting screw 39 is screwed with a right lifting screw. The side lifting nut seat 311, the right lifting nut seat 311 is fixedly installed on one side of the right lifting mounting plate 34;

When the right lift motor 38 is started to rotate, the right lift screw 39 can be driven to rotate synchronously through the lift synchronous belt assembly 310, and the right lift nut seat 311 can be driven together with the right lift mounting plate 34 and mounted on the right lift mounting plate 34. The rotating bearing seat 35 and the abutting plate 36 move up and down synchronously. The structure of the abutting plate 36 includes a disc structure. The outer center of the disc structure is connected to a rotating shaft. Freely swivel connection.

Further, as shown in FIGS. 7-8 , the workpiece lifting and turning mechanism 4 includes a left lifting slide rail 41 installed on the left side of the main frame 1 . A left lifting mounting plate 43 is slidably installed on the left lifting slide rail 41 through the left lifting sliding block 42 , a reversing transmission box 44 is installed on the outer side of the left lifting installation plate 43 , and a reverse transmission box 44 is installed at the bottom of the reversing transmission box 44 . Motor 45, a turning plate 46 is installed on the inner side of the reversing transmission box 44, a left lifting motor seat 47 is installed on the left side of the main frame 1 and between the left lifting slide rails 41, and a left lifting motor seat 47 is installed at the bottom. The left lift motor 48, the top output end of the left lift motor 48 is connected with the left lift screw 49, the outer wall of the left lift screw 49 is screwed with the left lift nut seat 410, and the left lift nut seat 410 is connected with the left lift nut seat 410. The left lifting mounting plate 43 is fixedly installed on one side;

The turning motor 45 is activated to drive the left lifting screw 49 to rotate, which in turn drives the left lifting nut seat 410 and the reversing transmission box 44 and the turning motor 45 and the turning plate 46 installed on the reversing transmission box 44 to move up and down synchronously. 46 includes a disc structure, the outer center of the disc structure is connected with a rotating shaft, and the rotating shaft is located at one end of the inner cavity of the reversing transmission box 44 and is connected with the output shaft of the turning motor 45. A pair of worm gear mechanism is realized.

Further, as shown in FIGS. 9-10 , the Y-axis moving mechanism 5 includes a Y-axis main beam 51 spanning the left and right sides of the main frame 1 , and a main beam support seat 52 is symmetrically arranged on the left and right sides of the bottom of the Y-axis main beam 51 . , the bottom of the main beam support base 52 is slidably installed with a Y-axis slide rail 54 through the Y-axis slider 53, the Y-axis slide rail 54 is fixedly installed on the main frame 1, and a Y-axis transmission box 55 is installed on the main beam support base 52, A Y-axis motor 56 is installed on the top of the Y-axis transmission box 55 , and a Y-axis driving gear 57 that is drivingly connected to the Y-axis motor 56 is arranged at the bottom of the Y-axis transmission box 55 , and a Y-axis rack is meshed on one side of the Y-axis driving gear 57 . 58, the Y-axis rack 58 is fixedly installed on the main frame 1;

The Y-axis motors 56 on both sides are controlled synchronously. When starting at the same time, the Y-axis motor 56 drives the bottom Y-axis driving gear 57 to rotate through the Y-axis transmission box 55. The inner cavity of the Y-axis transmission box 55 can pass a pair of spur gears or synchronous belt assemblies. Realize co-rotation transmission, the Y-axis driving gear 57 meshes with the Y-axis rack 58, and the Y-axis rack 58 is fixedly installed, which can drive the main beam support bases 52 on both sides and the Y-axis main beam 51 and install it on the Y-axis main beam 51 in turn. The upper X-axis moving mechanism 6 moves along the longitudinal direction of the Y-axis slide rail 54 .

Further, as shown in FIGS. 11-12 , the X-axis moving mechanism 6 includes a pair of X-axis sliding rails 61 fixedly mounted on the Y-axis moving mechanism 5 . The X-axis mounting plate 63, the front side of the X-axis mounting plate 63 is mounted with the X-axis transmission box 64, the front side of the X-axis transmission box 64 is mounted with the X-axis motor 65, the rear side of the X-axis transmission box 64 is provided with the transmission with the X-axis motor 65 The connected X-axis driving gear 66, the top of the X-axis driving gear 66 is meshed with an X-axis rack 67, the X-axis rack 67 is fixedly installed on the Y-axis moving mechanism 5, and the front side of the X-axis mounting plate 63 is provided with a Z-axis Lifting frame 68, Z-axis lifting slide rails 69 are fixedly installed on both sides of the back of the Z-axis lifting frame 68. A Z-axis motor 611 is installed on the top of the inner cavity, and a Z-axis lifting screw 612 is rotatably installed in the middle of the back of the Z-axis lifting frame 68. The top of the Z-axis lifting screw 612 passes through the Z-axis timing belt assembly 613 and the top of the Z-axis motor 611. The output end is connected by transmission, the outer wall of the Z-axis lifting screw 612 is screwed with the Z-axis lifting nut seat, the Z-axis lifting nut seat is fixedly installed with the X-axis mounting plate 63, and the engraving spindle 8 is fixedly installed with the bottom of the Z-axis lifting frame 68;

Start the X-axis motor 65 to rotate, the X-axis motor 65 drives the rear X-axis drive gear 66 to rotate through the X-axis transmission box 64, the X-axis drive gear 66 meshes with the X-axis rack 67, and the X-axis rack 67 is fixedly installed in the Y On the axis main beam 51, the internal structure of the X-axis transmission box 64 is similar to the Y-axis transmission box 55, so the rotation of the X-axis motor 65 can drive the X-axis mounting plate 63 and your Z-axis moving mechanism installed on the X-axis mounting plate 63 7 and the engraving spindle 8 move along the length of the X-axis slide rail 61;

Start the Z-axis motor 611 to drive the Z-axis lifting screw 612 to rotate through the Z-axis timing belt assembly 613. The Z-axis lifting screw 612 is screwed with the Z-axis lifting nut seat (not shown in the figure), and the Z-axis lifting nut seat is connected with the X-axis. The mounting plate 63 is fixedly installed, and the Z-axis lifting slide rails 69 are arranged on both sides of the Z-axis timing belt assembly 613. The Z-axis lifting slide rails 69 connect with the X-axis mounting plate (63) through the Z-axis lifting slider (not shown in the figure). ) sliding installation, therefore, the rotation of the Z-axis motor 611 can drive the Z-axis lifting frame 68 to move up and down, and then drive the Z-axis lifting frame 8 at the bottom of the Z-axis lifting frame 68 to move up and down;

A cylinder mounting plate (614) is mounted on the front side of the X-axis mounting plate (63), an auxiliary lifting cylinder (610) is mounted on the cylinder mounting plate (614), and the bottom telescopic end of the auxiliary lifting cylinder (610) Installed and connected to the bottom outer side wall of the Z-axis lifting frame (68), the auxiliary lifting cylinder (610) can bear part of the load when the engraving spindle 8 is lifted, reducing the load of the Z-axis moving mechanism 7.

Further, as shown in Figures 1-2, the bottom of the main frame (1) is covered with profile panels (9), the profile panels (9) are located on the front and rear sides of the telescopic support mechanism (2), and can be used for Fill the empty space at the bottom of the main frame (1) to form a platform for placing spare blanks or other tools and equipment.

A specific application of this embodiment is:

Embodiment 1:

For double-sided engraving processing: the engraving spindle 8 is installed under the rear side wall of the Z-axis lifting frame 68, and the tool installed at the output end of the engraving spindle 8 is installed longitudinally. At this time, the scissor telescopic frame 27 in the telescopic support mechanism 2 is retracted first , after the pressing plate 36 and the turning plate 46 are synchronously raised to a certain height, the thick plate-shaped blanks carved on both sides are clamped as described above. The workpiece lifting and turning mechanism 4 drives the blank to lower to the bottom surface and the top of the scissor telescopic frame 27, and then the top surface processing can be started. Next, retract the scissor telescopic frame 27, and then turn the blank 180 degrees with the top surface downward through the workpiece lifting and pressing structure 3 and the workpiece lifting and turning mechanism 4. After the inversion is completed, unfold the scissor telescopic frame 27, and pass the workpiece lifting and pressing structure 3 and the workpiece lifting and turning mechanism 4 drive the blank to descend to the top surface to fit with the top of the scissor telescopic frame 27, and then the bottom surface can be processed. The process of turning over can be completed automatically by the equipment without manual operation.

Embodiment 2:

For cylinder engraving processing: the engraving spindle 8 is installed at the bottom of the Z-axis lifting frame 68, and the cutter installed at the output end of the engraving spindle 8 is installed laterally forward, and the scissor telescopic frame 27 in the telescopic support mechanism 2 is retracted first. , after the pressing plate 36 and the turning plate 46 are synchronously lifted to a certain height, the cylindrical blank of double-sided engraving is clamped as above, and the processing can be carried out after clamping. Unilateral deflection is not easy to occur, the jitter is not obvious during processing, and the workpiece lifting and pressing mechanism 3 and the workpiece lifting and turning mechanism 4 may be required to drive the blank to rotate to cooperate with the main shaft for processing, so in this embodiment, shears are generally not used. The fork telescopic frame 27 provides auxiliary support.

In the description of the invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top" The orientation or positional relationship indicated by , "inside", "front", "center", "both ends", etc. are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the invention and simplifying the description, rather than indicating Or imply that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as a limitation of the invention.

In the invention, unless otherwise expressly specified and limited, terms such as "installation", "arrangement", "connection", "fixation" and "screw connection" should be understood in a broad sense, for example, it may be a fixed connection or a It can be a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between the two elements, Unless otherwise clearly defined, those of ordinary skill in the art can understand the specific meanings of the above terms in the invention according to specific situations.

Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principle and spirit of the invention , the scope of the invention is defined by the appended claims and their equivalents.

Claims (9)

1. The utility model provides a two-sided engraver of four-axis which characterized in that: including main frame (1), the inner chamber bottom of main frame (1) is provided with flexible supporting mechanism (2), but flexible supporting mechanism (2) is for main frame (1) horizontal slip adjustment, flexible supporting mechanism (2) top is provided with the work piece and goes up and down to press structure (3), the left side of main frame (1) is provided with work piece lift tilting mechanism (4), the top of main frame (1) is provided with Y axle moving mechanism (5), the top removal end of Y axle moving mechanism (5) is provided with X axle moving mechanism (6), the front side removal end of X axle moving mechanism (6) is provided with Z axle moving mechanism (7), sculpture main shaft (8) are installed to the front side lift end below of Z axle moving mechanism (7).

2. The four-axis double-sided engraving machine according to claim 1, characterized in that: the telescopic supporting mechanism (2) comprises a pair of first slide bar guide rails (21) and a pair of second slide bar guide rails (22), the first slide bar guide rails (21) are installed upwards, the top of the first slide bar guide rails (21) is provided with a supporting mounting plate (24) used for installing the workpiece lifting abutting structure (3) through a first supporting mechanism slider (23) in a sliding manner, the second slide bar guide rails (22) are installed in a lateral opposite manner, a plurality of equidistant profile supporting beams (26) distributed at intervals side by side are installed on the second slide bar guide rails (22) through a second supporting mechanism slider (25) in a sliding manner, a scissor telescopic frame (27) is arranged between the second slide bar guide rails (22), the end parts of the two sides of the scissor telescopic frame (27) are installed in a sliding manner through a hinge pin shaft (28) in a bottom sliding groove of the profile supporting beams (26), and telescopic cylinders (29) are installed on the two sides of the bottom of the supporting mounting plate (24, the telescopic ends of the telescopic cylinders (29) on the two sides are respectively hinged with the end parts on the two sides of the scissor telescopic frame (27).

3. The four-axis double-sided engraving machine according to claim 2, characterized in that: the top of the first supporting mechanism sliding block (23) is in threaded connection with a positioning screw (210), and the bottom end of the positioning screw (210) abuts against the first sliding rod guide rail (21) when being screwed tightly.

4. The four-axis double-sided engraving machine according to claim 1, characterized in that: the workpiece lifting and pressing structure (3) comprises a gantry mounting rack (31), right lifting slide rails (32) are arranged on the left side and the right side of the gantry mounting rack (31), a right lifting mounting plate (34) is slidably mounted on the right lifting slide rail (32) through a right lifting slide block (33), a pressing plate (36) is rotatably arranged on the right lifting mounting plate (34) through a rotating bearing seat (35), a motor mounting seat (37) is arranged below the gantry mounting frame (31), a right lifting motor (38) and a right lifting screw rod (39) are arranged at the top of the motor mounting seat (37), the bottom ends of the right lifting motor (38) and the right lifting screw rod (39) are in transmission connection through a lifting synchronous belt component (310), a right lifting nut seat (311) is screwed on the right lifting screw rod (39), the right lifting nut seat (311) is fixedly arranged on one side of the right lifting mounting plate (34).

5. The four-axis double-sided engraving machine according to claim 1, characterized in that: the workpiece lifting and overturning mechanism (4) comprises a left lifting slide rail (41) arranged on the left side of the main frame (1), a left lifting mounting plate (43) is arranged on the left lifting slide rail (41) in a sliding manner through a left lifting slide block (42), a reversing transmission box (44) is arranged on the outer side of the left lifting mounting plate (43), a reversing motor (45) is arranged at the bottom of the reversing transmission box (44), a reversing plate (46) is arranged on the inner side of the reversing transmission box (44) in a transmission manner, a left lifting motor base (47) is arranged on the left side of the main frame (1) and positioned between the left lifting slide rails (41), a left lifting motor (48) is arranged at the bottom of the left lifting motor base (47), a left lifting screw rod (49) is connected to the top output end of the left lifting motor (48) in a transmission manner, and a left lifting nut base (410) is, the left lifting nut seat (410) is fixedly arranged on one side of the left lifting mounting plate (43).

6. The four-axis double-sided engraving machine according to claim 1, characterized in that: the Y-axis moving mechanism (5) comprises Y-axis main beams (51) which cross the left side and the right side of the main frame (1), the left side and the right side of the bottom of the Y-axis main beam (51) are symmetrically provided with main beam supporting seats (52), the bottom of the main beam supporting seat (52) is provided with a Y-axis slide rail (54) in a sliding way through a Y-axis slide block (53), the Y-axis slide rail (54) is fixedly arranged on the main frame (1), the main beam supporting seat (52) is provided with a Y-axis transmission box (55), a Y-axis motor (56) is arranged at the top of the Y-axis transmission box (55), a Y-axis driving gear (57) in transmission connection with the Y-axis motor (56) is arranged at the bottom of the Y-axis transmission box (55), one side of the Y-axis driving gear (57) is meshed with a Y-axis rack (58), the Y-axis rack (58) is fixedly arranged on the main frame (1).

7. The four-axis double-sided engraving machine according to claim 1, characterized in that: the X-axis moving mechanism (6) comprises a pair of X-axis sliding rails (61) fixedly installed on the Y-axis moving mechanism (5), the X-axis sliding rails (61) are provided with X-axis installation plates (63) in a sliding mode through X-axis sliding blocks (62), X-axis transmission boxes (64) are installed on the front sides of the X-axis installation plates (63), X-axis motors (65) are installed on the front sides of the X-axis transmission boxes (64), X-axis driving gears (66) in transmission connection with the X-axis motors (65) are arranged on the rear sides of the X-axis transmission boxes (64), X-axis racks (67) are meshed with the tops of the X-axis driving gears (66), the X-axis racks (67) are fixedly installed on the Y-axis moving mechanism (5), Z-axis lifting racks (68) are arranged on the front sides of the X-axis installation plates (63), and Z-axis lifting sliding rails (69) are fixedly installed on two sides, z axle lift slide rail (69) through Z axle lift slider with X axle mounting plate (63) slidable mounting, Z axle motor (611) are installed at the inner chamber top of Z axle crane (68), the back middle part of Z axle crane (68) is rotated and is installed Z axle lift lead screw (612), the top of Z axle lift lead screw (612) through Z axle hold-in range subassembly (613) with the top output end transmission of Z axle motor (611) is connected, the outer wall spiro union of Z axle lift lead screw (612) has Z axle lift nut seat, Z axle lift nut seat with X axle mounting plate (63) fixed mounting, sculpture main shaft (8) fixed mounting have Z axle crane (68) bottom.

8. The four-axis double-sided engraving machine according to claim 7, characterized in that: cylinder mounting panel (614) are installed to X axle mounting panel (63) front side, install supplementary lift cylinder (610) on cylinder mounting panel (614), the flexible end in bottom of supplementary lift cylinder (610) with Z axle crane (68) bottom lateral wall erection joint.

9. The four-axis double-sided engraving machine according to claim 1, characterized in that: the bottom of the main frame (1) is paved with profile panels (9), and the profile panels (9) are located on the front side and the rear side of the telescopic supporting mechanism (2).

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