Turnover type clamping tool for engraving

Abstract

The invention provides a turnover type clamping tool for engraving, and belongs to the technical field of engraving equipment, the turnover type clamping tool for engraving comprises a base, and a clamping turnover mechanism is arranged in the base; by means of the clamping and overturning mechanism and the fixing mechanism, when engraving is needed, two clamping plates quickly get close to and clamp the left end and the right end of an object to be engraved, meanwhile, a clamping toothed plate is clamped with a second limiting driven gear in a clamped mode, a material containing table is not prone to rotating, and therefore the material is more stable, engraving work is convenient, and when overturning is needed, the material is not prone to falling off. When a worm moves backwards until a rotating gear is engaged with a driven gear I, a clamping toothed plate can be pushed away from a driven gear II through an arc-shaped push block, so that the driven gear I, the driven gear II, a driven gear III and a material placement table are smoothly driven to rotate when the worm rotates, and then the material placement table quickly drives materials to turn over; and different positions of the materials can be engraved conveniently, manual overturning work is not needed, operation is easy and fast, and safety is high.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of engraving equipment, and particularly relates to a reversible clamping tool for engraving. BACKGROUND

[0002] Engraving is a kind of drilling and milling combined processing in terms of processing principle, and an engraving machine is a kind of machine that cooperatively works on a processing material by a computer, an engraving machine controller and an engraving machine main body to perform automatic engraving operation. The mechanical automatic engraving equipment gradually replaces traditional high-intensity manual labor, greatly improves the efficiency of engraving work, and the mechanical automatic engraving machine can be applied to large-area plane engraving. The existing engraving machine is generally provided with a workbench, and the workbench is provided with a corresponding clamping tool for clamping an engraved workpiece.

[0003] In the prior art, during the engraving work of the engraved object, the engraved object needs to be turned over, the clamping tool needs to be opened, and then the turning over is manually performed and the clamping is performed again. This method is time-consuming and labor-consuming, the engraving process is not smooth, and when the engraved object is heavy, manual turning over is more time-consuming and labor-consuming, and in the turning over process, danger is easily caused, and the safety is poor.

[0004] Therefore, the present application provides a reversible clamping tool for engraving to solve the above problems. SUMMARY

[0005] The present application aims to solve the problems that during the engraving work of the engraved object, the engraved object needs to be turned over, the clamping tool needs to be opened, and then the turning over is manually performed and the clamping is performed again. This method is time-consuming and labor-consuming, the engraving process is not smooth, and when the engraved object is heavy, manual turning over is more time-consuming and labor-consuming, and in the turning over process, danger is easily caused, and the safety is poor.

[0006] The present application can be realized by the following technical scheme: a reversible clamping tool for engraving, comprising a base, a clamping and turning mechanism is arranged in the base, the clamping and turning mechanism comprises a worm, a worm wheel is connected to the front end of the worm, a threaded rod one is arranged in the middle of the worm wheel, a moving seat is threadedly connected to the circumferential surface of the left and right sides of the threaded rod one, a rotating gear is arranged on the circumferential surface of the upper end of the worm, a driven gear one is arranged on the rear side of the rotating gear, a rotating shaft one is arranged on the upper end of the driven gear one, a driven gear two is arranged on the circumferential surface of the upper end of the rotating shaft one, a driven gear three is connected to the front end of the driven gear two, a rotating shaft two is arranged on the upper end of the driven gear three, and a material placing table is fixedly connected to the upper end of the rotating shaft two and penetrates through the upper end of the base.

[0007] As a preferred embodiment of the present application, the rear side of the worm is provided with a fixing mechanism, the lower end of the worm is rotatably installed in the inside of the mounting plate, the left and right sides of the upper end of the rear side of the mounting plate are provided with arc-shaped push blocks, the rear side of the two arc-shaped push blocks is provided with a movable plate, the upper end of the two movable plates is provided with a clamping tooth plate near one side of the driven gear two, the two clamping tooth plates are respectively meshed and connected with the left and right sides of the driven gear two, the other side of the two clamping tooth plates is provided with an elastic expansion piece, the other end of the two elastic expansion pieces is provided with a fixed plate, and the fixed plate is fixedly connected with the rear side inner wall of the base.

[0008] As a preferred embodiment of the present application, the lower end of the worm is provided with a driving mechanism, the driving mechanism comprises a telescopic cylinder, and the telescopic cylinder is arranged at the front end of the inner bottom of the base, the rear end of the telescopic cylinder is provided with a motor seat, the lower end of the motor seat is slidably installed on the inner bottom of the base through a sliding block, the upper surface of the motor seat is provided with a stepping motor, the power output end of the stepping motor is drivingly connected with the lower end of the worm, and the mounting plate is arranged on the upper surface of the motor seat.

[0009] As a preferred embodiment of the present application, the lower surface of the material placing table is provided with a roller, and the upper surface of the base is provided with an annular groove in the middle, and the lower end of the roller is arranged in the inside of the annular groove.

[0010] As a preferred embodiment of the present application, the inside of the two moving seats is provided with a lifting adjusting mechanism, the lifting adjusting mechanism comprises a servo motor, and the servo motor is arranged on the upper surface of the moving seat, the power output end of the servo motor is drivingly connected with a second threaded rod, the circumferential surface of the second threaded rod is threadedly connected with a lifting seat, the upper surface of the side of the lifting seat away from the material placing table is provided with a rotary motor, and the motor shaft of the rotary motor penetrates through the lifting seat and is connected with a clamping plate.

[0011] As a preferred embodiment of the present application, the side surface of the lifting seat close to the material placing table is provided with a movable groove, the side surface of the clamping plate away from the material placing table is provided with an annular connecting plate, and the other end of the annular connecting plate is rotatably inserted into the inside of the movable groove.

[0012] As a preferred embodiment of the present application, the left and right sides of the upper end of the base are provided with horizontal moving grooves, the two moving seats are respectively arranged in the two horizontal moving grooves, the inside of the two moving seats is provided with lifting grooves, and the two lifting seats are respectively arranged in the two lifting grooves.

[0013] Compared with the prior art, the present application has the following advantages: (1), through the clamping and overturning mechanism and the fixed mechanism is set, when the need to carve, two clamping plate fast close and clamping the left and right ends of the carving, while the toothed plate carding limit driven gear two, so that the material placing table is not easy to rotate, etc., in turn, the material is more stable, convenient for carving work, when the need to turn, the worm moves to the driven gear one meshing when the worm gear rotates, the arc push block can push the carding toothed plate away from the driven gear two, so that the worm rotation smoothly driven gear one, driven gear two, driven gear three and the material placing table rotation, in turn, the material placing table quickly with the material overturn, convenient for the different position of the material carving work, without manual overturning work, simple operation, high safety; (2), through the drive mechanism is set, when the stepper motor moves backward, the stepper motor work only will drive the material placing table rotation, so that the material on the material placing table overturning work, when the stepper motor moves forward, the stepper motor work only will drive two mobile seat and two clamping plate close to each other or away from each other, in turn, the material clamping or lose clamping effect, so that the staff in the carving work operation more convenient and fast, more flexible to use; (3), through the setting of the lifting adjustment mechanism, can be in two clamping plate clamping fixed material, start servo motor, so that the servo motor drive screw rod two rotation, in turn, through the lifting seat drive clamping plate and material upward, the material upward moving away from the material placing table, then start the rotating motor, drive clamping plate and material longitudinal rotation, convenient for the longitudinal overturning of the material, so that the upper end or the lower end of the material towards the position convenient for carving, in turn, so that the carving machine can carve the upper and lower ends of the material, improve the carving range of the material, higher practicality. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to facilitate the understanding of those skilled in the art, the present application is further described below with reference to the accompanying drawings.

[0015] Figure 1 is a schematic view of the three-dimensional structure of the present application; Figure 2 is a front sectional view of the present application; Figure 3 is a right sectional view of the present application; Figure 4 is a top sectional view of the present application; Figure 5 is a schematic view of the three-dimensional structure of the fixing mechanism of the present application; Figure 6 is an exploded view of the lifting adjustment mechanism of the present application.

[0016] As shown in the figure, the device comprises a base 1, a driving mechanism 2, a clamping and overturning mechanism 3, a fixing mechanism 4, a lifting adjusting mechanism 5, and a roller 6. DETAILED DESCRIPTION

[0017] The technical solutions of the present application will be described clearly and completely below in combination with the embodiments. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work belong to the scope of protection of the present application. Embodiment 1

[0018] Please refer to Figure 1 - Figure 6 As shown in the figure, the device comprises a base 1, a driving mechanism 2, a clamping and overturning mechanism 3, a fixing mechanism 4, a lifting adjusting mechanism 5, and a roller 6. It should be noted that the circumferential surface of the left and right sides of the threaded rod one 303 is provided with threads, and the thread directions of the two groups of threads are opposite, so that when the threaded rod one 303 rotates under the driving of the worm wheel 302, the moving seats 304 on the circumferential surface of the left and right sides of the threaded rod one 303 can approach or move away from each other, thereby enabling the two moving seats 304 to clamp and fix the left and right sides of the carving material or lose the clamping and fixing effect on the carving material, and further facilitating flexible operation of the carving material during carving work.

[0019] The circumferential surface of the upper end of the worm 301 is provided with a rotating gear 305, the rear side of the rotating gear 305 is provided with a driven gear one 306, the upper end of the driven gear one 306 is provided with a rotating shaft one 307, the circumferential surface of the upper end of the rotating shaft one 307 is provided with a driven gear two 308, the front end of the driven gear two 308 is engagedly connected with a driven gear three 309, the upper end of the driven gear three 309 is provided with a rotating shaft two 310, wherein the upper ends of the rotating shaft one 307 and the rotating shaft two 310 are rotatably installed in the inner part of the upper end of the base 1, the rotating shaft one 307 and the rotating shaft two 310 can be limitingly installed while the rotating work of the rotating shaft one 307 and the rotating shaft two 310 is not affected, the upper end of the rotating shaft two 310 penetrates through the upper end of the base 1 and is fixedly connected with a material placing table 311; It should be noted that when the worm 301 is engaged with the worm gear 302, the rear end of the rotating gear 305 at the upper end of the worm 301 is not engaged with the driven gear one 306, at this time the worm 301 rotates only to drive the worm gear 302 to rotate, and does not drive the driven gear one 306 to rotate, when the worm 301 moves backward to make the rotating gear 305 engage with the driven gear one 306, the worm 301 is not engaged with the worm gear 302, at this time the worm 301 rotates only to drive the driven gear one 306 to rotate through the rotating gear 305, and does not drive the worm gear 302 to rotate.

[0020] The lower surface of the material placing table 311 is provided with a roller 6, the upper surface of the base 1 is provided with an annular groove, and the lower end of the roller 6 is arranged in the annular groove, the annular groove provides a space for the roller 6 to rotate stably in the annular groove, the roller 6 supports the material placing table 311 and does not affect the rotation of the material placing table 311, so that the material placing table 311 can smoothly drive the material placed thereon to rotate horizontally, thereby facilitating the adjustment of the direction of the material, and the different surfaces of the material can be engraved, and the roller 6 can also share the gravity of the material placing table 311, so as to avoid the breakage of the connection between the material placing table 311 and the rotating shaft two 310 due to excessive force, thereby prolonging the service life of the rotating shaft two 310.

[0021] The rear side of the worm 301 is provided with a fixing mechanism 4, which comprises a mounting plate 401, the lower end of the worm 301 is rotatably installed in the inside of the mounting plate 401, the worm 301 can be limited at the same time, so that the worm 301 can stably rotate, the left and right sides of the upper end of the rear side of the mounting plate 401 are provided with arc-shaped push blocks 402, the rear sides of the two arc-shaped push blocks 402 are provided with movable plates 403, one side of the upper end of the two movable plates 403 close to the driven gear two 308 is provided with a clamping tooth plate 404, the two clamping tooth plates 404 are respectively meshed and connected with the left and right sides of the driven gear two 308, the side away from the driven gear two 308 of the two clamping tooth plates 404 is provided with an elastic telescopic piece 405, the other end of the two elastic telescopic pieces 405 is provided with a fixed plate 406, and the fixed plate 406 is fixedly connected with the rear side inner wall of the base 1, the elastic telescopic piece 405 is an object provided with a telescopic rod and a spring sleeved on the circumferential surface of the telescopic rod, so that the movable plate 403 is connected together with the fixed plate 406 through the elastic telescopic piece 405, and the left and right horizontal movement of the movable plate 403 is not affected; It should be noted that the front end of the movable plate 403 is arc-shaped, which can be contacted with the arc-shaped push block 402 when the arc-shaped push block 402 moves horizontally backward, and then when the arc-shaped push block 402 continues to move backward, the arc-shaped push block 402 pushes the movable plate 403 away from the driven gear two 308, so that the clamping tooth plate 404 at the upper end of the movable plate 403 is away from the driven gear two 308, and the clamping effect on the driven gear two 308 is lost, at this time, when the worm 301 rotates, the driven gear one 306, the shaft one 307 and the driven gear two 308 can be smoothly driven to rotate through the rotating gear 305, and then the driven gear three 309, the shaft two 310 and the material placing table 311 are driven to rotate, and then the material on the upper side of the material placing table 311 is smoothly turned over, and when the arc-shaped push block 402 moves forward to not contact with the movable plate 403, the movable plate 403 moves to the driven gear two 308 under the action of the elastic telescopic piece 405, the driven gear two 308 is clamped by the meshing of the clamping tooth plate 404 and the left and right sides of the driven gear two 308, so that the driven gear two 308 cannot rotate, and then the driven gear three 309, the shaft two 310 and the material placing table 311 cannot rotate, so that the material on the upper side of the material placing table 311 cannot rotate during engraving work, and the working quality during engraving is improved.

[0022] The lower end of the worm 301 is provided with a driving mechanism 2, the driving mechanism 2 comprises a telescopic cylinder 201, and the telescopic cylinder 201 is arranged at the front end of the inner bottom of the base 1. The rear end of the telescopic cylinder 201 is provided with a motor seat 202, and the lower end of the motor seat 202 is slidably installed on the inner bottom of the base 1 through a sliding block 204. The upper surface of the motor seat 202 is provided with a stepping motor 203, and the power output end of the stepping motor 203 is in transmission connection with the lower end of the worm 301 through a shaft coupling. An installation plate 401 is arranged on the upper surface of the motor seat 202, wherein the installation plate 401 is arranged in an inverted U shape, so that the lower end of the worm 301 can be rotatably installed inside the upper end of the installation plate 401, while leaving installation space for the stepping motor 203, so that the stepping motor 203 can be smoothly installed inside the installation plate 401. The inner bottom of the base 1 is provided with a sliding groove, and the sliding block 204 is arranged in the sliding groove, so that the telescopic cylinder 201 can smoothly drive the motor seat 202 and the stepping motor 203 to move horizontally forward and backward when the telescopic cylinder 201 works. Example 2:

[0023] Please refer to Figure 1 , Figure 2 and Figure 6 , the inside of the two moving seats 304 is provided with a lifting adjusting mechanism 5, the lifting adjusting mechanism 5 comprises a servo motor 501, and the servo motor 501 is arranged on the upper surface of the moving seat 304. The power output end of the servo motor 501 is in transmission connection with a threaded rod two 502 through a shaft coupling. The circumferential surface of the threaded rod two 502 is threadedly connected with a lifting seat 503. The upper surface of the lifting seat 503 away from the material placing table 311 is provided with a rotary motor 504. The motor shaft of the rotary motor 504 penetrates through the lifting seat 503 and is connected with a clamping plate 505. The surface of the lifting seat 503 close to the material placing table 311 is provided with a movable groove. The surface of the clamping plate 505 away from the material placing table 311 is provided with an annular connecting plate 506, and the other end of the annular connecting plate 506 is rotatably inserted into the movable groove. The movable groove provides installation and rotation space for the annular connecting plate 506, so that the annular connecting plate 506 can be rotatably arranged in the movable groove. The annular connecting plate 506 is arranged, so that the clamping plate 505 can be connected with the lifting seat 503 through the annular connecting plate 506 while being connected with the motor shaft of the rotary motor 504, thereby stably installing the clamping plate 505 on one side of the lifting seat 503 without affecting the rotation of the clamping plate 505. It should be noted that the surface of the clamping plate 505 close to the material placing table 311 side is provided with a rubber non-slip pad, which can effectively prevent the surface of the clamping plate 505 from sliding, ensure that the clamped object remains in a stable state, and at the same time protect the surface of the clamping plate 505 and the surface of the clamped object from wear and scratches, prolong the service life of the clamping plate 505, prevent the clamped object from being damaged, and the strong adhesion of the rubber non-slip pad can ensure that the clamped object is tightly attached to the clamping plate 505 and is not easy to loosen or fall off, which can not only improve the stability of clamping, but also improve the efficiency and accuracy of clamping, so that the clamping plate 505 can not only improve the stability and efficiency of clamping, but also protect the surface of the clamping plate 505, adapt to various working environments, and have the advantages of environmental protection and cost-effective.

[0024] The left and right sides of the upper end of the base 1 are both provided with horizontal moving grooves 7, and two moving seats 304 are arranged in the two horizontal moving grooves 7 respectively. The horizontal moving grooves 7 provide the moving seats 304 with a moving space, so that the moving seats 304 can move horizontally in the horizontal moving grooves 7. The interiors of the two moving seats 304 are both provided with lifting grooves 8, and two lifting seats 503 are arranged in the two lifting grooves 8 respectively. The lifting grooves 8 provide the lifting seats 503 with a vertical moving space, so that the lifting seats 503 can move vertically in the lifting grooves 8. The interiors of the horizontal moving grooves 7 and the lifting grooves 8 are both provided with piano cases, and the two groups of piano cases are connected with the surfaces of the moving seats 304 and the lifting seats 503 respectively. When the moving seats 304 move horizontally and the lifting seats 503 move vertically, the piano cases can fold and stretch, so that the horizontal moving grooves 7 and the lifting grooves 8 are always closed without affecting the movement of the moving seats 304 and the lifting seats 503, and dust and debris generated during carving cannot adhere to or accumulate on the surfaces of the threaded rod one 303 and the threaded rod two 502, so as to affect the performance and service life of the threaded rods.

[0025] In use, first, the object to be carved is placed on the material placing table 311, then the stepping motor 203 is started, the stepping motor 203 drives the worm 301 to rotate, so that the worm 301 drives the worm gear 302 and the threaded rod one 303 to rotate, and then the two moving seats 304 move close to each other. When the two clamping plates 505 on the two moving seats 304 abut against the left and right sides of the material respectively, the clamping and fixing of the material are completed, and the material can be carved at this time. After the front of the material is engraved, the stepping motor 203 is started again, so that the stepping motor 203 drives the worm 301 to rotate reversely, and then the two moving seats 304 drive the two clamping plates 505 to move away from the material, so that the two clamping plates 505 lose the clamping and fixing effect on the material, then the telescopic cylinder 201 is started, the telescopic cylinder 201 drives the motor seat 202 and the stepping motor 203 to move horizontally backward, so that the rotating gear 305 at the upper end of the stepping motor 203 moves backward to mesh with the driven gear one 306, and when the motor seat 202 moves backward, the mounting plate 401 and the arc-shaped push block 402 are driven to move backward, the arc-shaped push block 402 moves backward to contact the movable plate 403, and the movable plate 403 is pushed away from the driven gear two 308, so that the movable plate 403 drives the clamping toothed plate 404 to move away from the driven gear two 308, and then the clamping toothed plate 404 loses the clamping effect on the driven gear two 308; Then the stepping motor 203 is started again, the stepping motor 203 drives the worm 301 to rotate, at this time the worm 301 rotates to drive the driven gear one 306, the rotating shaft one 307 and the driven gear two 308 to rotate, the driven gear two 308 rotates to drive the driven gear three 309, the rotating shaft two 310 and the material placing table 311 to rotate, after the material placing table 311 rotates one hundred and eighty degrees, the material above the material placing table 311 needs to be engraved once transversely, then the telescopic cylinder 201 is started, so that the telescopic cylinder 201 drives the motor seat 202 and the stepping motor 203 to move forward to the initial position, the stepping motor 203 works again to drive the two moving seats 304 to move close to each other, so that the clamping plates 505 clamp and fix the material again, and then the material continues to be engraved; When the upper end or the lower end of the material needs to be engraved, first the two clamping plates 505 clamp the left and right ends of the material respectively, then the servo motor 501 is started first, the servo motor 501 drives the threaded rod two 502 to rotate, so that the lifting seat 503 moves vertically upward, and then drives the rotating motor 504, the clamping plate 505 and the material to move vertically upward, so that the bottom of the material moves away from the material placing table 311, at this time the rotating motor 504 is started again, the rotating motor 504 drives the clamping plate 505 and the material to rotate longitudinally, so that the upper end or the lower end of the material faces the front suitable position, and then the upper and lower ends of the material are convenient for being engraved.

[0026] The preferred embodiments disclosed above are only used to help explain the present application. The preferred embodiments do not describe all the details, nor limit the present application to the specific embodiments. Obviously, according to the content of the present application, many modifications and changes can be made. The present application selects and describes these embodiments in order to better explain the principles and practical applications of the present application, so that those skilled in the art can well understand and utilize the present application. The present application is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A flip-type clamping fixture for engraving, comprising a base (1), characterized in that, The base (1) is internally provided with a clamping and flipping mechanism (3). The clamping and flipping mechanism (3) includes a worm (301). The front end of the worm (301) is meshed with a worm wheel (302). A threaded rod (303) is provided in the middle of the worm wheel (302). Movable seats (304) are threadedly connected to the circumferential surfaces on both sides of the threaded rod (303). A rotating gear (305) is provided on the circumferential surface at the upper end of the worm (301). A driven gear 1 (306) is provided on the rear side. A rotating shaft 1 (307) is provided on the upper end of the driven gear 1 (306). A driven gear 2 (308) is provided on the circumferential surface of the upper end of the rotating shaft 1 (307). A driven gear 3 (309) is meshed with the front end of the driven gear 2 (308). A rotating shaft 2 (310) is provided on the upper end of the driven gear 3 (309). The upper end of the rotating shaft 2 (310) passes through the upper end of the base (1) and is fixedly connected to a material placement platform (311).

2. The flip-type clamping fixture for engraving according to claim 1, characterized in that, A fixing mechanism (4) is provided on the rear side of the worm (301). The fixing mechanism (4) includes a mounting plate (401). The lower end of the worm (301) is rotatably installed inside the mounting plate (401). Arc-shaped push blocks (402) are provided on the left and right sides of the upper rear side of the mounting plate (401). Movable plates (403) are provided on the rear side of the two arc-shaped push blocks (402). A snap-fit ​​tooth plate (404) is provided on the side of the upper end of the two movable plates (403) near the driven gear (308). The two snap-fit ​​tooth plates (404) are respectively meshed with the left and right sides of the driven gear (308). An elastic telescopic member (405) is provided on the side of the two snap-fit ​​tooth plates (404) away from the driven gear (308). A fixing plate (406) is provided on the other end of the two elastic telescopic members (405). The fixing plate (406) is fixedly connected to the inner rear wall of the base (1).

3. The flip-type clamping fixture for engraving according to claim 2, characterized in that, The lower end of the worm (301) is provided with a drive mechanism (2), the drive mechanism (2) includes a telescopic cylinder (201), and the telescopic cylinder (201) is located at the front end of the bottom of the base (1). The rear end of the telescopic cylinder (201) is provided with a motor seat (202), and the lower end of the motor seat (202) is slidably mounted on the bottom of the base (1) via a slider (204). The upper surface of the motor seat (202) is provided with a stepper motor (203), and the power output end of the stepper motor (203) is connected to the lower end of the worm (301) for transmission. The mounting plate (401) is located on the upper surface of the motor seat (202).

4. The flip-type clamping fixture for engraving according to claim 1, characterized in that, The lower surface of the material placement platform (311) is provided with rollers (6), and the upper surface of the base (1) is provided with an annular groove in the middle, and the lower end of the rollers (6) is located inside the annular groove.

5. A flip-type clamping fixture for engraving according to claim 1, characterized in that, Both of the movable seats (304) are equipped with a lifting adjustment mechanism (5). The lifting adjustment mechanism (5) includes a servo motor (501), and the servo motor (501) is located on the upper surface of the movable seat (304). The power output end of the servo motor (501) is connected to a threaded rod (502). The circumferential surface of the threaded rod (502) is threaded to a lifting seat (503). A rotary motor (504) is located on the upper surface of the lifting seat (503) away from the material placement platform (311). The motor shaft of the rotary motor (504) passes through the lifting seat (503) and is connected to a clamping plate (505).

6. A flip-type clamping fixture for engraving according to claim 5, characterized in that, The lifting seat (503) has a movable groove on the side surface near the material placement table (311), and the clamping plate (505) has an annular connecting plate (506) on the side surface away from the material placement table (311), and the other end of the annular connecting plate (506) is rotatably inserted into the interior of the movable groove.

7. A flip-type clamping fixture for engraving according to claim 5, characterized in that, The base (1) has horizontal moving slots (7) on both the left and right sides of the upper end. The two moving seats (304) are respectively located inside the two horizontal moving slots (7). The two moving seats (304) have lifting slots (8) inside them. The two lifting seats (503) are respectively located inside the two lifting slots (8).

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