CN207241269U - A kind of micro numerical engraving machine for tablet engraving - Google Patents

Abstract

The utility model relates to a miniature numerical control engraving machine for flat plate engraving, which comprises a base, a clamp fixing plate is arranged on the base, a clamp device is arranged on the clamp fixing plate, and supports are arranged on the left and right sides of the base The support frame is provided with an engraving mechanism. It is characterized in that the clamp device includes a clamp seat that cooperates with the clamp fixing plate. The inside of the clamp seat is provided with a suction hole and the upper surface of the clamp seat is provided with a suction hole. A well-shaped negative pressure groove connected to the hole, the suction hole is connected with the suction pipe arranged on the side of the fixture seat, the suction pipe is connected with an air pump, and the clamp device and the engraving mechanism are all connected with the controller; through Set up corresponding fixture devices for flat workpieces of different sizes, and use the air pump to generate negative pressure in the negative pressure tank, so that the workpiece is adsorbed on the fixture seat, so that the workpiece can be fixed quickly and conveniently, saving loading and unloading of the workpiece time, improving production efficiency.

Description

A miniature CNC engraving machine for flat plate engraving

technical field

The utility model relates to the field of numerical control equipment, in particular to a miniature numerical control engraving machine used for plate engraving.

Background technique

The engraving machine consists of three parts: computer, engraving machine controller, and engraving machine host. The working principle is to design and typesetting through the special engraving software configured in the computer, and the computer automatically transmits the information of design and typesetting to the engraving machine controller. In the process, the controller converts the information into a power signal (pulse train) that can drive the stepper motor or servo motor, and controls the main machine of the engraving machine to generate the engraving path base path of the X, Y, and Z axes. At the same time , the high-speed rotating engraving head on the engraving machine can cut the processing material fixed on the host worktable through the cutter configured according to the processing material, and then can engrave various plane or three-dimensional relief graphics and characters designed in the computer. Realize engraving automation.

When an existing flat workpiece is being processed, the traditional fixing method is to set a compression block on the fixture to press the peripheral edge of the flat workpiece, and then lock the compression block on the fixture base through bolts. The operation process is inconvenient when assembling and disassembling the workpiece, and the work efficiency is low, and the pressing block is easy to produce indentation on the surface of the workpiece, damage the workpiece, and is not conducive to production.

Utility model content

The purpose of this utility model is to provide a miniature numerical control engraving machine for flat plate engraving, by setting up corresponding fixture devices for different sizes of flat workpieces, and using an air pump to generate negative pressure in the negative pressure tank, The workpiece is adsorbed on the fixture seat, so that the workpiece can be fixed conveniently and quickly, saving the time for loading and unloading the workpiece, and improving production efficiency.

In order to achieve the above purpose, the technical solution adopted by the utility model is: a miniature numerical control engraving machine for flat plate engraving, which includes a base, a clamp fixing plate is arranged on the base, and a clamp device is arranged on the clamp fixing plate , the left and right sides of the base are provided with a support frame, the support frame is provided with an engraving mechanism, the clamp device includes a clamp seat matched with the clamp fixing plate, an air suction hole is opened inside the clamp seat and the clamp seat The surface is provided with a well-shaped negative pressure groove communicating with the suction hole. The suction hole is connected to the suction pipe arranged on the side of the fixture seat. The suction pipe is connected to an air pump. The clamp device and the engraving mechanism are both Connect with the controller.

Further, the edge of the upper surface of the clamp seat is provided with a positioning block, and the edge of the upper surface of the clamp seat is provided with a clamping and fixing block at a symmetrical position of the positioning block, and the inside of the clamping and fixing block is provided with a threaded through hole and the hole An adjusting bolt is fitted inside, and a clamping block matched with the workpiece is connected to the adjusting bolt.

Further, the base is surrounded by front, rear, left and right baffles, a third threaded rod is arranged between the front and rear baffles, and the third threaded rod is connected to the outside of the rear baffle. The output shaft of the third stepper motor is connected, and the third guide rod parallel to the third screw mandrel is connected between the front and rear baffles, and the third guide rod is sleeved with a third guide rod threaded to cooperate with the third screw mandrel. The second sliding seat is fixedly connected with the bottom of the clamp fixing plate and the second sliding seat is slidingly matched with the third guide rod, and the third stepping motor is connected with the controller.

Further, the engraving mechanism includes a left-right displacement device and an up-and-down displacement device arranged on the support frame to cooperate with each other. The left-right displacement device includes a first screw rod arranged on the support frame. The output shaft of the first stepper motor on the side of the support frame is connected. The support frame is provided with a first guide rod parallel to the first screw mandrel. The first sliding seat is fixedly connected with the vertical displacement device and the first sliding seat is slidingly matched with the first guide rod.

Further, the up and down displacement device includes a third sliding seat arranged on the first sliding seat, and a second screw rod is vertically arranged on the third sliding seat, and the second screw rod is connected with the second screw rod arranged on the third sliding seat. The output shaft of the second stepping motor on the seat is connected, and the second guide rod parallel to the second screw mandrel is set on the third slide seat, and the second guide rod is sleeved with a screw thread with the second screw mandrel. Cooperating engraving knife lifting seat, the engraving knife that cooperates with workpiece is arranged on the described engraving knife lifting seat.

The beneficial effects of the utility model are:

1. Set up corresponding fixture devices for flat workpieces of different sizes, and use the air pump to generate negative pressure in the negative pressure tank, so that the workpiece is adsorbed on the fixture seat, so that the workpiece can be fixed quickly and conveniently, saving The time for loading and unloading workpieces is shortened, and the production efficiency is improved.

2. The design of the positioning block can block the side of the workpiece and prevent the workpiece from moving on the fixture seat.

3. The design of the adjusting bolt and the clamping block can clamp the side of the workpiece to further prevent the workpiece from moving on the fixture seat.

4. The design of the stepping motor, the engraving design of different coordinates on the flat plate, can be automatically engraved according to the coordinate points input by the user.

5. The design of screw drive can ensure the accuracy of engraving position, thereby improving product quality.

Description of drawings

Fig. 1 is a structural schematic diagram of a micro-NC engraving machine used for flat plate engraving.

FIG. 2 is a schematic diagram of the bottom structure of FIG. 1 .

FIG. 3 is a partially enlarged view of A in FIG. 1 .

FIG. 4 is a schematic structural diagram of the clamp device in FIG. 1 .

The characters shown in the figure are marked as: 1. Base; 2. Fixture plate; 3. Fixture device; 4. Support frame; 5. The first stepping motor; 6. The first screw rod; 7. The first guide rod ; 8, the second stepping motor; 9, carving knife; 10, the first sliding seat; 11, the third sliding seat; 12, the second guide rod; 13, the second screw rod; 14, carving knife lifting seat; 15 , the third guide rod; 16, the third screw rod; 17, the second sliding seat; 18, the third stepping motor; 19, the clamp seat; 20, the adjusting bolt; 21, the clamping fixed block; ; 23, positioning block; 24, negative pressure groove; 25, suction hole; 26, clamping block.

Detailed ways

In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model will be described in detail below in conjunction with the accompanying drawings. The description of this part is only exemplary and explanatory, and should not have any influence on the protection scope of the utility model. restrictive effect.

As shown in Fig. 1-Fig. 4, the structure of the present utility model is: a kind of miniature numerical control engraving machine that is used for plate engraving, and it comprises base 1, and described base 1 is provided with clamp fixing plate 2, and described clamp fixing plate 2 is provided with a clamp device 3, the left and right sides of the base 1 are provided with a support frame 4, the support frame 4 is provided with an engraving mechanism, and the clamp device 3 includes a clamp seat 19 matched with the clamp fixing plate 2, the The inside of the clamp seat 19 is provided with an air suction hole 25 and the upper surface of the clamp seat 19 is provided with a well-shaped negative pressure groove 24 communicated with the air suction hole 25, and the air suction hole 25 is connected with the suction hole 25 arranged on the side of the clamp seat 19. The pipe 22 is connected, and the suction pipe 22 is connected with an air pump, and the clamp device 3 and the engraving mechanism are all connected with the controller.

Preferably, the edge of the upper surface of the clamp seat 19 is provided with a positioning block 23, and the edge of the upper surface of the clamp seat 19 is provided with a clamping and fixing block 21 at a symmetrical position of the positioning block 23, and the inside of the clamping and fixing block 21 is set There is a threaded through hole and an adjusting bolt 20 is fitted in the hole, and a clamping block 26 matched with the workpiece is connected to the adjusting bolt 20 .

Preferably, the base 1 is surrounded by front, rear, left and right baffles, a third screw 16 is arranged between the front and rear baffles, and the third screw 16 is connected to the rear baffle. The output shaft of the third stepper motor 18 on the outside of the plate is connected, and the third guide rod 15 parallel to the third screw rod 16 is connected between the front and rear baffles, and the third guide rod 15 is sleeved with The second sliding seat 17 threaded with the third screw rod 16, the second sliding seat 17 is fixedly connected with the bottom of the fixture fixing plate 2 and the second sliding seat 17 is slidingly matched with the third guide rod 15, the third step The motor 18 is connected with the controller.

Preferably, the engraving mechanism includes a left and right displacement device and an up and down displacement device that are arranged on the support frame 4 and cooperate with each other. The left and right displacement devices include a first screw rod 6 arranged on the support frame 4, and the first screw rod 6 is connected with the output shaft of the first stepper motor 5 arranged on the side of the support frame 4, the first guide rod 7 parallel to the first screw mandrel 6 is arranged on the support frame 4, and the first guide rod 7 is The first sliding seat 10 is sleeved with the first threaded rod 6 , the first sliding seat 10 is fixedly connected with the up and down displacement device and the first sliding seat 10 is slidingly matched with the first guide rod 7 .

Preferably, the up and down displacement device includes a third slide seat 11 arranged on the first slide seat 10, a second screw rod 13 is vertically arranged on the third slide seat 11, and the second screw rod 13 is connected with the second screw rod 13. The output shaft of the second stepping motor 8 that is arranged on the 3rd sliding seat 11 is connected, and the second guide rod 12 that is parallel with the second screw mandrel 13 is arranged on the described 3rd slide seat 11, and described second guide rod 12 is provided with the engraving knife elevating seat 14 that is threadedly matched with the second screw mandrel 13, and the engraving knife elevating seat 14 is provided with the engraving knife 9 that cooperates with workpiece.

During specific use, first select the corresponding clamp device 3 according to the size of the product, then fix the clamp device 3 on the clamp fixing plate 2 by bolts, then place the product on the clamp seat 19, and make a group of products adjacent The side is closely matched with the positioning block 23, and then the clamping block 26 clamps another group of adjacent sides of the product by adjusting the bolt 20, and then the program of the controller is set according to the shape to be carved. During the carving process, the third step The feed motor 18 drives the third screw mandrel 16 to rotate, and the third screw mandrel 16 drives the second slide seat 17 through the screw mandrel to move the fixture fixing plate 2 on the X axis, and then the first stepping motor 5 drives the first screw mandrel 6 to rotate , the first screw 6 drives the first sliding seat 10 through the screw to move the engraving knife 9 on the Y axis, and then the second stepping motor 8 drives the second screw 13 to rotate, and the second screw 13 drives the engraving through the screw The knife lifting seat 14 makes the engraving knife 9 move up and down on the Z axis.

It should be noted that, in this document, the terms "comprising", "comprising" or any other variation thereof are intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or apparatus.

In this paper, specific examples are used to illustrate the principle and implementation of the present invention. The description of the above examples is only used to help understand the method and core idea of the present invention. The above is only a preferred embodiment of the utility model, it should be pointed out that due to the limitation of literal expression, objectively there are infinite specific structures, for those of ordinary skill in the art, without departing from the principle of the utility model Under the premise of the invention, some improvements, modifications or changes can also be made, and the above technical features can also be combined in an appropriate way; these improvements, modifications, or combinations, or the ideas and technical solutions of the utility model can be directly applied without improvement In other occasions, all should be regarded as the protection scope of the present utility model.

Claims (5)

1. a kind of micro numerical engraving machine for tablet engraving, it includes base (1), it is characterised in that on the base (1) Clamp fixing plate (2) is provided with, grip device (3), base (1) left and right sides are provided with the clamp fixing plate (2) Supporting rack (4) is provided with, Egraver is provided with support frame as described above (4), the grip device (3) includes and clamp fixing plate (2) clamping fixture seat (19) coordinated, clamping fixture seat (19) inside offers suction hole (25) and clamping fixture seat (19) upper surface opens up There is the negative pressure trough (24) of the groined type connected with suction hole (25), the suction hole (25) is with being arranged on clamping fixture seat (19) side Air intake duct (22) connects, and the air intake duct (22) is connected with air pump, and the grip device (3) and Egraver connect with controller Connect.

A kind of 2. micro numerical engraving machine for tablet engraving according to claim 1, it is characterised in that the fixture Seat (19) top surface edge is provided with locating piece (23), and clamping fixture seat (19) top surface edge is in the symmetrical position of locating piece (23) Install and be equipped with the block that is fixedly clamped (21), offered inside the block that is fixedly clamped (21) and adjusting is combined with tapped through hole and hole Bolt (20), is connected with and the gripping block of work pieces mate (26) on the adjusting bolt (20).

A kind of 3. micro numerical engraving machine for tablet engraving according to claim 1, it is characterised in that the base (1) surrounded by front, rear, left and right baffle, the 3rd screw (16), the 3rd screw are provided between the forward and backward baffle (16) with the output axis connection of the 3rd stepper motor (18) being arranged on the outside of rear baffle, it is connected between the forward and backward baffle Threeth guide rod (15) parallel with the 3rd screw (16), is arranged with the 3rd guide rod (15) and matches somebody with somebody with the 3rd screw (16) screw thread The second slide (17) of conjunction, the second slide (17) is connected with clamp fixing plate (2) bottom and second slide (17) and the 3rd Guide rod (15) is slidably matched, and the 3rd stepper motor (18) is connected with controller.

A kind of 4. micro numerical engraving machine for tablet engraving according to claim 1, it is characterised in that the engraving Mechanism includes being arranged on the left and right displacement device and upper and lower displacement device to cooperate on supporting rack (4), the left and right displacement dress Put the first screw (6) including being arranged on supporting rack (4), first screw (6) and be arranged on the of supporting rack (4) side The output axis connection of one stepper motor (5), is provided with first guide rod parallel with the first screw (6) on support frame as described above (4) (7), the first slide (10) with the first screw (6) thread fitting, the first slide are arranged with first guide rod (7) (10) it is connected with upper and lower displacement device and first slide (10) is slidably matched with the first guide rod (7).

5. a kind of micro numerical engraving machine for tablet engraving according to claim 4, it is characterised in that above and below described Gearshift includes being arranged on the 3rd slide (11) in first slide (10), and the is vertically arranged with the 3rd slide (11) The output shaft of two screws (13), second screw (13) and the second stepper motor (8) being arranged on above the 3rd slide (11) Connect, second guide rod (12) parallel with the second screw (13), second guide rod are provided with the 3rd slide (11) (12) the graver lifting seat (14) with the second screw (13) thread fitting is arranged with, is set on the graver lifting seat (14) It is equipped with and the graver of work pieces mate (9).