CN207088483U - A kind of 3D printer with printing platform adjustment mechanism - Google Patents

Abstract

The utility model relates to the technical field of 3D printing, in particular to a 3D printer with a printing platform adjusting mechanism, which comprises a frame and a base, and also comprises a printing platform, an adjusting device and a clamping device, wherein the printing platform comprises a printing upper plate and a printing lower plate, the adjusting device comprises a plurality of driving mechanisms and a plurality of rotating mechanisms, the driving mechanisms are distributed on the top of the base in a rectangular shape, the rotating mechanisms are distributed on the bottom of the printing lower plate in a rectangular shape, each rotating mechanism passes through the printing lower plate and is fixedly connected with the printing upper plate, each driving mechanism is in rotating fit connection with a corresponding rotating mechanism, the clamping device comprises two clamping mechanisms which are symmetrically arranged on two sides of the top of the base, the bottom of the printing upper plate is provided with an inclination angle sensor, the side part of the base is also provided with a control device, the utility model improves the precision of adjusting the position of the printing platform, the whole printing platform is more stable.

Description

A kind of 3D printer with printing platform adjustment mechanism

technical field

The utility model relates to the technical field of 3D printing, in particular to a 3D printer with a printing platform adjustment mechanism.

Background technique

3D printers, also known as three-dimensional printers, are based on a digital model file, using powdered metal or plastic and other bondable materials to construct objects by layer-by-layer printing. It is a cumulative manufacturing technology. Layers of adhesive materials are used to manufacture three-dimensional objects. The basic principle is that by putting data and raw materials into a 3D printer, the machine will manufacture products layer by layer according to the program, and the printed products can be used immediately.

During 3D printing, if the height of the printing nozzle and the points on the printing platform are different, the tip of the nozzle may scratch the printing platform when the printing distance is close, and the printing nozzle may not touch the printing platform or squeeze out at a far distance. It is difficult for the filament to be firmly bonded to the printing platform. At present, most of the adjustment mechanisms in the prior art are manually adjusted. This adjustment method not only affects the adjustment accuracy, but also increases the output of manpower.

Utility model content

The purpose of the utility model is to provide a 3D printer with a printing platform adjustment mechanism for the deficiencies of the prior art.

In order to solve the above problems, the utility model provides the following technical solutions:

A 3D printer with a printing platform adjustment mechanism, including a frame and a base, and also includes a printing platform, an adjusting device and a clamping device, the printing frame is fixedly installed on the base, and the printing platform includes a printing upper plate and a printing lower plate The printing lower plate is arranged on the top of the base, the printing upper plate is located directly below the printing lower plate, the adjustment device includes several driving mechanisms and several rotating mechanisms, and several driving mechanisms are distributed on the top of the base in a rectangular shape. Several rotating mechanisms are distributed in the bottom of the printing lower plate in a rectangular shape, each of the rotating mechanisms passes through the lower printing plate and is fixedly connected with the upper printing plate, and each driving mechanism is rotationally and cooperatively connected with a corresponding rotating mechanism. The clamping device includes two clamping mechanisms symmetrically arranged on both sides of the top of the base, each clamping mechanism includes a clamping head for fixing the upper printing plate and the lower printing plate, and the bottom of the upper printing plate is provided with an inclination angle Inductor, the side of the base is also provided with a control device, each rotating mechanism is electrically connected with the control device, and the inclination angle sensor is electrically connected with the control device.

Further, each of the rotating mechanisms includes a column, a driven gear and a spring, one end of the column passes through the lower printing plate and is fixedly installed on the bottom of the upper printing plate, and the other end of the column extends downward, so that The driven gear is fixedly installed at one end of the column close to the base, and the spring is sleeved on the column and located between the upper printing plate and the lower printing plate.

Further, each of the driving mechanisms includes a motor and a driving gear, the motor is vertically arranged on the top of the base and the main shaft of the motor is vertically upward, the driving gear is fixedly installed on the main shaft, the driving gear and Mesh transmission between driven gears.

Further, each of the clamping devices also includes two rails symmetrically arranged on the left and right sides of the base, and each of the clamping mechanisms includes a screw slide, and each screw slide can be slidably installed on the On the corresponding track, the transmission direction of each screw slide is from top to bottom, and each clamping head is fixedly installed on the slider of the screw slide.

Further, each of the clamping heads includes a cylinder, a slide rail and two clamping blocks that can slide on the slide rail, the slide rail is fixedly mounted on the cylinder, and the sliding direction of the slide rail is parallel to the wire The conveying direction of the rod slide table, each clamping block is pneumatically connected with the cylinder.

Further, each of the clamping blocks is provided with an inductive switch, and each of the inductive switches is electrically connected to the control device.

Further, the bottom of the printed lower plate is provided with a supporting device, and the supporting device includes two supporting base columns arranged symmetrically along the length direction of the base, and each of the supporting base columns includes two supporting bases and a supporting base The two supporting seats are respectively arranged on the front and rear ends of the top of the base, and the two ends of the supporting bar are inserted into the two supporting seats respectively.

Further, each of the support rods is sheathed with a fixing seat, and each fixing seat is fixedly mounted on the bottom of the printing lower plate.

Beneficial effects: the utility model has a 3D printer with a printing platform adjustment mechanism. When the 3D printer is used for a long time, the horizontal position of the printing platform will be slightly deflected, and the inclination sensor installed on the lower printing plate will adjust according to the inclination. The angle of the control device sends an electrical signal to the control device, and the control device sends an electrical signal to each motor, and each motor drives the corresponding driving gear to rotate, thereby driving the driven gear to rotate, and printing on the board and printing can be realized. The position between the lower plates can be adjusted to adjust the position of the printing platform. The clamping head on the clamping device is used to lock the upper plate and the lower plate firmly together through the control of the cylinder. The adjustment method and locking The method reduces the output of manpower, improves the accuracy of adjusting the position of the printing platform, and makes the entire printing platform more stable.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present utility model;

Fig. 2 is the top view of the utility model;

Fig. 3 is a sectional view along line A-A in Fig. 2;

Fig. 4 is a schematic diagram of the three-dimensional structure of the printing platform of the present invention;

Fig. 5 is a schematic diagram of the assembly structure of the printing platform of the present invention;

Explanation of reference signs: frame 1, base 2, printing platform 3, printing upper plate 3a, inclination sensor 3a1, printing lower plate 3b, adjustment device 4, driving mechanism 4a, motor 4a1, driving gear 4a2, rotating mechanism 4b, Column 4b1, driven gear 4b2, spring 4b3, clamping device 5, clamping mechanism 5a, clamping head 5b, track 5c, control device 6, support device 7, support bottom column 7a, support base 7b, support rod 7c.

Detailed ways

Below in conjunction with accompanying drawing and embodiment of description, the specific embodiment of the utility model is described in further detail:

Referring to a 3D printer with a printing platform adjustment mechanism shown in Figures 1 to 5, it includes a frame 1 and a base 2, and also includes a printing platform 3, an adjustment device 4 and a clamping device 5, and the printer frame 1 is fixedly installed On the base 2, the printing platform 3 includes an upper printing plate 3a and a lower printing plate 3b, the lower printing plate 3b is arranged on the top of the base 2, and the upper printing plate 3a is located directly below the lower printing plate 3b, so The adjustment device 4 includes several driving mechanisms 4a and several rotating mechanisms 4b. Several driving mechanisms 4a are distributed on the top of the base 2 in a rectangular shape, and several rotating mechanisms 4b are distributed in a rectangular shape on the bottom of the lower printing plate 3b. Each of the rotating mechanisms 4b After passing through the lower printing plate 3b, they are fixedly connected to the upper printing plate 3a, and each driving mechanism 4a is rotationally and cooperatively connected with a corresponding rotating mechanism 4b. The clamping device 5 includes two symmetrically arranged on both sides of the top of the base 2 Each clamping mechanism 5a includes a clamping head 5b for fixing the upper printing plate 3a and the lower printing plate 3b, the bottom of the upper printing plate 3a is provided with an inclination sensor 3a1, and the base 2 is also provided with a control device 6, each rotating mechanism 4b is electrically connected to the control device 6, and the inclination sensor 3a1 is electrically connected to the control device 6 to realize the adjustment of the position of the printing platform 3.

Working principle: After the 3D printer is used for a long time, the horizontal position of the printing platform 3 will be slightly deflected, and the inclination sensor 3a1 installed on the lower printing plate 3b will send an electrical signal to the control device 6 according to the inclination angle , the control device 6 will send an electrical signal to each motor 4a1, and each motor 4a1 will drive the corresponding driving gear 4a2 to rotate, thereby driving the driven gear 4b2 to rotate, so that the upper board 3a and the lower board 3b can be printed The position between them can be changed to realize the adjustment of the position of the printing platform 3. The clamping head 5b on the clamping device 5 is used to firmly lock the upper printing plate 3a and the lower printing plate 3b together through the control of the air cylinder.

Each of the rotating mechanisms 4b includes a column 4b1, a driven gear 4b2 and a spring 4b3. One end of the column 4b1 passes through the lower printing plate 3b and is fixedly installed on the bottom of the upper printing plate 3a. The other end of the column 4b1 Extending downwards, the driven gear 4b2 is fixedly installed on the end of the column 4b1 close to the base 2, the spring 4b3 is sleeved on the column 4b1 and is located between the upper printing plate 3a and the lower printing plate 3b, and is connected to the driving gear 4a2 The rotation of the driven gear 4b2 drives the driven gear 4b2, and the driven gear 4b2 transmits the rotational force to the column 4b1. The column 4b1 is fixed on the bottom of the upper printing plate 3a, and the column 4b1 will drive the upper printing plate 3a to move, thereby realizing the adjustment of the upper printing plate 3a and Print the position between the lower plates 3b.

Each of the driving mechanisms 4a includes a motor 4a1 and a driving gear 4a2, the motor 4a1 is vertically arranged on the top of the base 2 and the main shaft of the motor 4a1 is vertically upwardly arranged, and the driving gear 4a2 is fixedly installed on the main shaft, so The driving gear 4a2 and the driven gear 4b2 are meshed and driven, and the rotation of the motor 4a1 drives the rotation of the driving gear 4a2, thereby giving a rotational force to the driven gear 4b2 to realize the adjustment of the position of the printing platform 3 .

Each of the clamping devices 5 also includes two rails 5c symmetrically arranged on the left and right sides of the base 2, and each of the clamping mechanisms 5a includes a screw slide, and each screw slide can be slidably installed On the corresponding track 5c, the transmission direction of each screw slide is from top to bottom, and each clamping head 5b is fixedly installed on the slider of the screw slide, and the relative movement of the two clamping blocks realizes Control of printing upper plate 3a and printing lower plate 3b.

Each of the clamping heads 5b includes a cylinder, a slide rail and two clamping blocks that can slide on the slide rail, the slide rail is fixedly mounted on the cylinder, and the sliding direction of the slide rail is parallel to the sliding direction of the screw mandrel. Each clamping block is pneumatically connected to the cylinder, and through the pneumatic connection between the cylinder and the clamping block, the two clamping blocks can move relative to the printing upper plate 3a and the printing lower plate 3b, which satisfies the Solid locking of the entire printing platform 3.

Each of the clamping blocks is provided with an induction switch, and each of the induction switches is electrically connected to the control device 6. Through the induction of the position of the upper printing plate 3a and the lower printing plate 3b by the induction switch, two The clamping block can accurately fix the printing platform 3 .

The bottom of the printed lower plate 3b is provided with a support device 7, the support device 7 includes two support base columns 7a arranged symmetrically along the length direction of the base 2, each of the support base columns 7a includes two support seats 7b and a support rod 7c, the two support bases 7b are respectively arranged on the front and rear ends of the top of the base 2, and the two ends of the support rod 7c are plugged into the two support bases 7b respectively, realizing the printing platform 3 supporting role.

Each of the support rods 7c is sleeved with a fixing seat, and each fixing seat is fixedly mounted on the bottom of the lower printing plate 3b, so as to support the lower printing plate 3b.

The above is only a preferred embodiment of the present utility model, and does not make any limitation to the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model , all still belong to the scope of the technical solution of the present utility model.

Claims (8)

1. a kind of 3D printer with print platform governor motion, including frame (1) and base (2), it is characterised in that：Also wrap Print platform (3), adjusting means (4) and clamping device (5) are included, the Support for impression mechanism (1) is fixedly mounted on base (2), institute Stating print platform (3) includes printing upper plate (3a) and printing lower plate (3b), and the printing lower plate (3b) is arranged on the top of base (2) Portion, the printing upper plate (3a) include some drive mechanisms positioned at the underface of printing lower plate (3b), the adjusting means (4) (4a) and some rotating mechanisms (4b), some rectangular tops for being distributed in base (2) of drive mechanism (4a), some rotating mechanisms (4b) rectangular to be distributed in bottom of printing lower plate (3b), each rotating mechanism (4b) both pass through printing lower plate (3b) afterwards with Printing upper plate (3a) is fixedly connected, and each drive mechanism (4a) is rotatably assorted connection with a corresponding rotating mechanism (4b), The clamping device (5) includes two clamp systems (5a) for being symmetricly set on both sides at the top of base (2), each clamp system (5a) includes the clamping head (5b) for being used for fixed printing upper plate (3a) and printing lower plate (3b), the bottom of the printing upper plate (3a) Portion is provided with sensor for tilt angle (3a1), and the sidepiece of the base (2) is additionally provided with control device (6), each rotating mechanism (4b) with Control device (6) is electrically connected with, and the sensor for tilt angle (3a1) is electrically connected with control device (6).

A kind of 2. 3D printer with print platform governor motion according to claim 1, it is characterised in that：Each institute Stating rotating mechanism (4b) includes column (4b1), driven gear (4b2) and spring (4b3), and one end of the column (4b1) is worn The bottom for printing upper plate (3a) is fixedly mounted on after crossing printing lower plate (3b), the other end of the column (4b1) extends downwardly, institute One end that driven gear (4b2) is fixedly mounted on the close base (2) of column (4b1) is stated, the spring (4b3) is set in column On (4b1) and between printing upper plate (3a) and printing lower plate (3b).

A kind of 3. 3D printer with print platform governor motion according to claim 2, it is characterised in that：Each institute Stating drive mechanism (4a) includes motor (4a1) and driving gear (4a2), and the motor (4a1) is vertically arranged in base (2) The main shaft of top and motor (4a1) is set straight up, and the driving gear (4a2) is fixedly mounted on main shaft, the master Engaged transmission between moving gear (4a2) and driven gear (4b2).

A kind of 4. 3D printer with print platform governor motion according to claim 1, it is characterised in that：Each institute Stating clamping device (5) also includes two tracks (5c) being symmetricly set at left and right sides of base (2), each clamp system (5a) includes screw mandrel slide unit, and each screw mandrel slide unit is slidably mounted on corresponding track (5c), each screw mandrel slide unit Direction of transfer from top to bottom, each clamping head (5b) is fixedly mounted on the sliding block of screw mandrel slide unit.

A kind of 5. 3D printer with print platform governor motion according to claim 1, it is characterised in that：Each institute Clamping head (5b) is stated to be fixedly mounted on including cylinder, slide rail and two gripping blocks that can be slided on slide rail, the slide rail On cylinder, parallel to the direction of transfer of screw mandrel slide unit, each gripping block is pneumatically connected with cylinder for the glide direction of the slide rail.

A kind of 6. 3D printer with print platform governor motion according to claim 5, it is characterised in that：Each institute State and inductive switch is equipped with gripping block, each inductive switch is electrically connected with control device (6).

A kind of 7. 3D printer with print platform governor motion according to claim 1, it is characterised in that：It is described to beat The bottom of print lower plate (3b) is provided with support meanss (7), and the support meanss (7) include two along base (2) length direction pair Claim the support foundation (7a) set, each support foundation (7a) includes two support bases (7b) and a support bar (7c), two support bases (7b) are separately positioned on the front and back end at the top of base (2), the both ends point of the support bar (7c) It is not plugged on two support bases (7b).

A kind of 8. 3D printer with print platform governor motion according to claim 7, it is characterised in that：Each institute State and a fixed seat is arranged with support bar (7c), each fixed seat is fixedly mounted on the bottom of printing lower plate (3b).