Sand blasting treatment device for 3D printing products

Abstract

The utility model discloses a sand blasting treatment device for 3D printed products, which belongs to the technical field of 3D printed products and comprises a shell, a blasting box is arranged on the shell, a side plate is movably arranged on one side of the shell, the shell is movably clamped with the side plate through a movable buckle, a support plate is connected to the outer side of the side plate, and the support plate is connected with the spraying box. One end of the supporting plate penetrates through the shell and is connected with an abutting plate movably arranged in the shell, a filter screen is arranged at the bottom of the inner side of the shell, an exhaust pipe is arranged at the bottom of the shell, a supporting frame is installed on the side, close to the interior of the shell, of the side plate, a movable seat is slidably arranged on the supporting frame, and a moving assembly is arranged between the supporting frame and the movable seat. The outer end of the rotating column is connected with the placing plate through a support, a rotating assembly is arranged between the movable seat and the rotating column, a positioning assembly is arranged on the placing plate, and the sand blasting machine has the advantages of being stable in positioning, comprehensive and uniform in sand blasting, flexible in adjustment, convenient and fast to operate, reliable in structure, simple, convenient and practical.

Description

Technical Field

[0001] The utility model relates to the technical field of 3D printing products, and in particular to a sandblasting device for 3D printing products. Background Art

[0002] 3D printing, also known as additive manufacturing or rapid prototyping technology, is a technology that constructs objects by printing layer by layer based on digital model files using bondable materials such as powdered metal or plastic.

[0003] After the 3D printed product is manufactured, it needs to go through post-processing technologies such as washing, curing, sandblasting and grinding. Through post-processing technology, the mechanical properties of the product surface can be improved, thereby improving the fatigue resistance of the product and increasing its adhesion with the coating. Sandblasting technology uses high-pressure compressed air as a power to spray very fine and hard sand ball particles at high speed onto the surface of the product.

[0004] In the existing sandblasting device, the positions of the product and the spray box are fixed. During the sandblasting operation on the product surface, it is inconvenient to sandblast the surface of the 3D printed product evenly and comprehensively, and sandblasting blind areas are prone to occur, resulting in the roughness of the product failing to meet the process requirements.

[0005] Therefore, it is necessary to provide a sandblasting device for 3D printing products to solve the above problems. Utility Model Content

[0006] In view of the deficiencies in the prior art, an object of the embodiments of the present utility model is to provide a sandblasting device for 3D printed products to solve the problems in the above-mentioned background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A sandblasting device for 3D printed products comprises a shell, a spray box is provided on the shell, a side panel is movably provided on one side of the shell, the shell is movably engaged with the side panel through a movable buckle, a support plate is connected to the outer side of the side panel, one end of the support plate passes through the shell and is connected to an abutment plate movably arranged inside the shell, a filter is provided at the bottom inner side of the shell, an exhaust pipe is provided at the bottom of the shell, a support frame is installed on the side of the side panel close to the inside of the shell, a movable seat is slidably provided on the support frame, a moving assembly is provided between the support frame and the movable seat, a rotating column is rotatably provided on the movable seat, the outer end of the rotating column is connected to a placement plate through a bracket, a rotating assembly is provided between the movable seat and the rotating column, and a positioning assembly is provided on the placement plate.

[0009] As a further solution of the utility model, the positioning assembly includes:

[0010] A through slot, wherein the through slots are provided in a plurality and symmetrically arranged on the placement plate, and a guide rod is arranged in the through slot;

[0011] A slider, the slider is slidably arranged on the guide rod, a clamping block is arranged on the side of the slider close to the spray box, and a hinged plate is rotatably connected to the side of the slider away from the clamping block;

[0012] A mounting plate, the mounting plate is arranged at the bottom of the placement plate, a sliding rod is slidably arranged in the mounting plate, a plurality of connecting plates are arranged on the sliding rod, two ends of the connecting plates are respectively hinged to one end of the corresponding hinged plate away from the slider, and one end of the sliding rod is connected to a push plate;

[0013] A spring is connected between the connecting plate and the rotating column and is sleeved on the outer side of the sliding rod.

[0014] As a further solution of the utility model, the mobile assembly includes:

[0015] Slide grooves are arranged on both sides of the support frame, and the slide grooves are slidably matched with the movable seat;

[0016] A tooth groove, wherein the tooth groove is arranged on the support frame;

[0017] The mounting frame is arranged on the movable seat, and a worm gear 2 meshing with the tooth groove is rotatably connected between the mounting frame and the movable seat, and the worm gear 2 is connected to the motor 2.

[0018] As a further solution of the utility model, the rotating assembly includes a gear ring, which is arranged on the outside of the rotating column. A worm gear 1 meshing with the gear ring is rotatably provided on the movable seat, and the worm gear 1 is connected to a motor 1.

[0019] As a further solution of the utility model, a filter screen is provided on the inner side of the shell and is located below the support plate. An exhaust pipe is provided on the bottom of the shell and is located on the side of the filter screen away from the spray box.

[0020] As a further solution of the utility model, the movable buckle is configured to be cam-shaped.

[0021] In summary, the embodiments of the present invention have the following beneficial effects compared with the prior art:

[0022] The utility model uses a positioning component to stably position the 3D printed product, avoid the 3D printed product from being impacted and offset during the sandblasting process, and improve the effectiveness of sandblasting. The positioning angle and position of the 3D printed product can be adjusted by the rotating component in cooperation with the moving component, which is convenient for comprehensive and uniform sandblasting of the 3D printed product and avoids the sandblasting blind area that occurs after the position of the 3D printed product is fixed. The utility model has the effects of stable positioning, comprehensive and uniform sandblasting, flexible adjustment, convenient operation, reliable structure, and simple and practical operation.

[0023] In order to more clearly illustrate the structural features and functions of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of a sandblasting device for 3D printed products in an embodiment of the utility model.

[0025] Figure 2 It is a bottom view of the placement plate in the embodiment of the utility model.

[0026] Figure 3 for Figure 1 A is an enlarged view of the middle image.

[0027] Figure numerals: 1-housing, 2-spray box, 3-side panel, 4-movable buckle, 5-support plate, 6-abutment plate, 7-filter, 8-exhaust pipe, 9-support frame, 10-slide groove, 11-movable seat, 12-rotating column, 13-tooth ring, 14-bracket, 15-placing plate, 16-through groove, 17-guide rod, 18-slider, 19-clamping block, 20-hinge plate, 21-mounting plate, 22-push plate, 23-connecting plate, 24-slide rod, 25-spring, 26-worm one, 27-motor one, 28-tooth groove, 29-worm two, 30-motor two, 31-mounting frame. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0029] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0030] In one embodiment of the present invention, see Figure 1The sandblasting device for 3D printing products comprises a shell 1, a spray box 2 is provided on the shell 1, a side plate 3 is movably provided on one side of the shell 1, the shell 1 is movably engaged with the side plate 3 through a movable buckle 4, a support plate 5 is connected to the outer side of the side plate 3, one end of the support plate 5 passes through the shell 1 and is connected to an abutment plate 6 movably arranged inside the shell 1, a filter screen 7 is provided at the bottom of the inner side of the shell 1, an exhaust pipe 8 is provided at the bottom of the shell 1, a support frame 9 is installed on the side of the side plate 3 close to the inside of the shell 1, a movable seat 11 is slidably provided on the support frame 9, a moving component is provided between the support frame 9 and the movable seat 11, a rotating column 12 is rotatably provided on the movable seat 11, the outer end of the rotating column 12 is connected to a placement plate 15 through a bracket 14, a rotating component is provided between the movable seat 11 and the rotating column 12, and a positioning component is provided on the placement plate 15.

[0031] In this embodiment, the 3D printed product can be stably positioned through the positioning component to prevent the 3D printed product from being impacted and offset during the sandblasting process, thereby improving the effectiveness of sandblasting. The positioning angle and position of the 3D printed product can be adjusted by the rotating component in cooperation with the moving component, which is convenient for comprehensive and uniform sandblasting of the 3D printed product and avoids the sandblasting blind area that occurs after the position of the 3D printed product is fixed. It has the effects of stable positioning, comprehensive and uniform sandblasting, flexible adjustment, convenient operation, reliable structure, and simple and practical use. A filter screen 7 is provided on the inner side of the outer shell 1 below the support plate 5, and an exhaust pipe 8 is provided at the bottom of the outer shell 1 on the side of the filter screen 7 away from the spray box 2. The filter screen 7 is used to filter the ejected gas to prevent the high-pressure compressed air with fine sand ball particles from being directly discharged. The movable buckle 4 is configured in a cam shape, and the side plate 3 can be stably supported by the support plate 5.

[0032] In one embodiment of the present invention, see Figure 1 and Figure 2 The positioning assembly includes a plurality of through grooves 16 symmetrically arranged on the placement plate 15, a guide rod 17 is arranged in the through groove 16, a slider 18 is slidably arranged on the guide rod 17, a clamping block 19 is arranged on the side of the slider 18 close to the spray box 2, and a hinged plate 20 is rotatably connected to the side of the slider 18 away from the clamping block 19, a mounting plate 21 is arranged at the bottom of the placement plate 15, a slide rod 24 is slidably arranged in the mounting plate 21, a plurality of connecting plates 23 are arranged on the slide rod 24, and the two ends of the connecting plate 23 are respectively hinged to the end of the corresponding hinged plate 20 away from the slide rod 18, a spring 25 sleeved on the outside of the slide rod 24 is connected between the connecting plate 23 and the rotating column 12, and a push plate 22 is connected to one end of the slide rod 24.

[0033] In this embodiment, in the initial state, the spring 25 is at its original length, the angle between the symmetrically arranged hinged plates 20 is at its minimum, and the symmetrically arranged sliders 18 are close to each other. When the 3D printed product needs to be positioned, the push plate 22 is pushed toward the inner side of the placement plate 15, the connecting plate 23 and the corresponding mounting plate 21 are close to each other, the spring 25 is stressed and contracts, the push plate 22 drives the connecting plate 23 to move synchronously through the slide rod 24, the connecting plate 23 drives the symmetrically arranged sliders 18 to move away from each other through the symmetrically arranged hinged plates 20, and the angle between the symmetrically arranged hinged plates 20 becomes larger, the 3D printed product is placed on the placement plate 15 and located between the symmetrically arranged sliders 18, the push plate 22 is released, the spring 25 extends and pushes the connecting plate 23 away from the corresponding mounting plate 21, the connecting plate 23 drives the symmetrically arranged sliders 18 to move closer to each other through the hinged plates 20, the two sides of the 3D printed product can be stably positioned, and the positioning requirements of 3D printed products of different specifications can be met.

[0034] In one embodiment of the present invention, see Figure 1 and Figure 3 The moving component includes a slide groove 10 arranged on both sides of the support frame 9, the slide groove 10 is slidably matched with the movable seat 11, the support frame 9 is provided with a tooth groove 28, the movable seat 11 is provided with a mounting frame 31, and a worm 29 meshing with the tooth groove 28 is rotatably connected between the mounting frame 31 and the movable seat 11, and the worm 29 is connected to the motor 2 30.

[0035] In this embodiment, the motor 2 30 drives the worm 29 to rotate, and the worm 29 drives the movable seat 11 to move on the support frame 9 by engaging with the tooth groove 28 and slidingly cooperating between the slide groove 10 and the movable seat 11, so as to facilitate the adjustment of the sandblasting area of ​​the 3D printed product, meet the sandblasting operation requirements of different parts of the 3D printed product, and improve the practicality of the device. Through the engagement between the worm 29 and the tooth groove 28, the position of the movable seat 11 can be automatically locked.

[0036] In one embodiment of the present invention, see Figure 1 and Figure 3 The rotating assembly includes a gear ring 13 arranged on the outside of the rotating column 12, and a worm 26 meshing with the gear ring 13 is rotatably provided on the movable seat 11, and the worm 26 is connected to a motor 27.

[0037] In this embodiment, when the direction of the 3D printed product needs to be adjusted, the motor 27 drives the worm 26 to rotate, and the worm 26 drives the rotating column 12 to rotate by engaging with the gear ring 13. The rotating column 12 drives the placement plate 15 to rotate synchronously through the bracket 14, thereby realizing the adjustment of the angle of the 3D printed product, meeting the sandblasting requirements of different positions of the 3D printed product, and improving the practicality of the device.

[0038] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A sandblasting device for 3D printed products, comprising a housing, characterized in that: The shell is provided with a spray box, and a side panel is movably provided on one side of the shell, and the shell is movably engaged with the side panel through a movable buckle, and a support plate is connected to the outer side of the side panel, one end of the support plate passes through the shell and is connected to an abutment plate movably arranged inside the shell, a filter is provided at the bottom inner side of the shell, and an exhaust pipe is provided at the bottom of the shell, and a support frame is installed on the side of the side panel close to the inside of the shell, a movable seat is slidably provided on the support frame, a moving assembly is provided between the support frame and the movable seat, a rotating column is rotatably provided on the movable seat, the outer end of the rotating column is connected to the placement plate through a bracket, a rotating assembly is provided between the movable seat and the rotating column, and a positioning assembly is provided on the placement plate.

2. The sandblasting device for 3D printed products according to claim 1, characterized in that: The positioning component comprises: A through slot, wherein the through slots are provided in a plurality and symmetrically arranged on the placement plate, and a guide rod is arranged in the through slot; A slider, the slider is slidably arranged on the guide rod, a clamping block is arranged on the side of the slider close to the spray box, and a hinged plate is rotatably connected to the side of the slider away from the clamping block; A mounting plate, the mounting plate is arranged at the bottom of the placement plate, a sliding rod is slidably arranged in the mounting plate, a plurality of connecting plates are arranged on the sliding rod, two ends of the connecting plates are respectively hinged to one end of the corresponding hinged plate away from the slider, and one end of the sliding rod is connected to a push plate; A spring is connected between the connecting plate and the rotating column and is sleeved on the outer side of the sliding rod.

3. The sandblasting device for 3D printed products according to claim 1, characterized in that: The mobile assembly comprises: Slide grooves are arranged on both sides of the support frame, and the slide grooves are slidably matched with the movable seat; A tooth groove, wherein the tooth groove is arranged on the support frame; The mounting frame is arranged on the movable seat, and a worm gear 2 meshing with the tooth groove is rotatably connected between the mounting frame and the movable seat, and the worm gear 2 is connected to the motor 2.

4. The sandblasting device for 3D printed products according to claim 1, characterized in that: The rotating assembly comprises a gear ring, which is arranged on the outside of the rotating column. A worm gear 1 meshing with the gear ring is rotatably arranged on the movable seat, and the worm gear 1 is connected to a motor 1.

5. The sandblasting device for 3D printed products according to claim 1, characterized in that: The inner side of the shell is provided with a filter screen below the support plate, and the bottom of the shell is provided with an exhaust pipe located at a side of the filter screen away from the spray box.

6. The sandblasting device for 3D printed products according to claim 1, characterized in that: The movable buckle is configured in a cam shape.

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