Pneumatic type bearing mounting jig based on 3D printer

Abstract

The utility model discloses a pneumatic type bearing installation jig based on a 3D printer. The pneumatic type bearing installation jig comprises a positioning base structure, the gear positioning structure is fixedly connected and assembled to the positioning base structure, and the gear positioning structure can detachably fix a gear structure and a gear shaft of the gear structure; the driving air cylinder structure is fixedly connected and assembled to the positioning base structure; and the bearing quick-changing structure is fixedly connected with the output end of the driving air cylinder structure in a transmission and assembling mode, and the bearing quick-changing structure can correspond to the gear shaft and detachably fix the bearing structure. The problem that in the prior art, the bearing and the gear shaft of a transmission part of a printer are unstable due to manual operation in the actual assembly process, and consequently the phenomenon that the bearing and the gear shaft cannot be smoothly embedded or stuck easily occurs is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of 3D printer assembly jigs, and in particular to a pneumatic bearing installation jig based on a 3D printer. Background Art

[0002] At present, in the 3D printing industry, the core transmission parts of the printer's extruder and feeding device generally adopt a precise matching structure design of bearings and gears, especially the extruder transmission part of the fused deposition modeling (FFF) type printer, where the matching accuracy between the bearings and gears is crucial.

[0003] At present, in the early design stage of the printer, the clearance requirements between the bearing and the gear have been fully considered, and the dimensions have been strictly matched according to the tolerance standards. However, in the actual production process, it is generally still assembled manually, which has inevitable instability. In addition, the working environment is complex and changeable, such as the influence of factors such as temperature, humidity, dust, and possible slight changes under the limit size tolerance, resulting in the phenomenon that the bearing and gear shaft cannot be smoothly embedded or stuck during the actual assembly process. Utility Model Content

[0004] To this end, the utility model provides a pneumatic bearing installation fixture based on a 3D printer to solve the problem in the prior art that the actual assembly process of the bearing and the gear shaft of the transmission part of the printer is unstable due to manual operation, which makes it easy to be unable to be smoothly embedded or get stuck.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A pneumatic bearing mounting fixture based on a 3D printer, comprising:

[0007] Positioning base structure;

[0008] A gear positioning structure, fixedly assembled on the positioning base structure, and the gear positioning structure can detachably fix the gear structure and its gear shaft;

[0009] A driving cylinder structure, fixedly assembled on the positioning base structure;

[0010] The bearing quick-change structure is connected to the output end of the driving cylinder structure by a transmission fixed assembly, and the bearing quick-change structure can correspond to the detachable fixed bearing structure of the gear shaft.

[0011] On the basis of the above technical solution, the utility model is further described as follows:

[0012] As a further solution of the present utility model, the driving cylinder structure includes a pneumatic switch and a cylinder body;

[0013] The pneumatic switch and the cylinder body are respectively fixedly assembled on the top surface of the positioning base structure, and the pneumatic switch and the cylinder body are connected by an air pipe and an electric circuit.

[0014] As a further solution of the present utility model, the positioning base structure is also fixedly assembled with a control structure;

[0015] The control structure is connected to the pneumatic switch by an electric circuit.

[0016] As a further solution of the present utility model, the control structure includes an electric control module and a control panel respectively fixedly arranged on the positioning base structure;

[0017] The electric control module includes a power module and a control module connected by an electric circuit;

[0018] The control output end of the control module is connected to the input end of a relay by an electric circuit, and the output end of the relay is connected to the pneumatic switch by an electric circuit;

[0019] The control panel is connected to the control input end of the control module by an electric circuit.

[0020] As a further solution of the present utility model, the control structure further includes a touch display screen fixedly arranged on the positioning base structure;

[0021] The output end of the relay is connected to the display end of the touch display screen by an electric circuit;

[0022] The touch control end of the touch display screen is connected to the control input end of the control module by an electric circuit.

[0023] As a further solution of the present utility model, the gear positioning structure includes a fixed seat part and a gear assembly part fixedly assembled on the top part of the fixed seat part;

[0024] The fixed seat part is fixedly assembled on the top surface of the positioning base structure;

[0025] The gear assembly part is detachably fixedly provided with a gear structure and its gear shaft.

[0026] As a further solution of the present utility model, the gear assembly part is correspondingly arranged on one side of the output end of the cylinder body.

[0027] As a further solution of the present utility model, the bearing quick-change structure includes a high-precision guide seat and a bearing clamping seat;

[0028] The high-precision guiding seat is fixedly assembled on the positioning base structure;

[0029] The bearing clamping seat is directionally slidably assembled on the high-precision guiding seat, and is fixedly connected in a transmission manner between the output end of the cylinder body;

[0030] The bearing clamping seat is detachably fixedly provided with a bearing structure, and the central position of the inner ring of the bearing structure is coaxially corresponding to the gear shaft of the gear structure.

[0031] As a further solution of the present invention, the high-precision guiding seat is fixedly assembled and connected with the fixed seat part.

[0032] The present invention has the following beneficial effects:

[0033] This bearing installation fixture can effectively form a pneumatic bearing pressing and assembling structure, and at the same time integrate automation technology to precisely control the driving cylinder structure to achieve stable and accurate assembly and placement of the bearing structure. It can effectively overcome the inherent defects in the traditional manual assembly process, improve the assembly efficiency, accuracy and consistency between the bearing structure and the gear structure, ensure the first-pass rate of the assembly of the bearing structure and the gear structure, and enhance the functional practicality of the overall structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. The structures, ratios, sizes, etc. shown in this specification are only used to cooperate with the content disclosed in the specification for those who are familiar with this technology to understand and read. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects that the present invention can produce and the purposes that can be achieved, should still fall within the scope that the technical content disclosed by the present invention can cover.

[0035] Figure 1 FIG. is an overall axonometric structure diagram of a pneumatic bearing installation fixture based on a 3D printer provided by an embodiment of the present invention.

[0036] Figure 2 FIG. is an assembly structure diagram of a gear positioning structure and a bearing quick-change structure in a pneumatic bearing installation fixture based on a 3D printer provided by an embodiment of the present invention.

[0037] In the drawings, the list of components represented by each reference numeral is as follows:

[0038] Positioning base structure 1;

[0039] Driving cylinder structure 2: pneumatic switch 21, cylinder body 22;

[0040] Gear positioning structure 3: fixed seat part 31, gear assembly part 32;

[0041] Bearing quick-change structure 4: high-precision guide seat 41, bearing clamping seat 42;

[0042] Gear structure 8, gear shaft 81;

[0043] Bearing structure 9. Specific implementation mode

[0044] The following specific embodiments illustrate the implementation mode of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

[0045] Terms such as "upper", "lower", "left", "right", "middle" cited in this specification are only for the convenience of description and are not used to limit the scope of implementation of the present invention. The change or adjustment of their relative relationship, without substantial change in technical content, should also be regarded as the scope of implementation of the present invention.

[0046] As Figures 1 to 2 shown, the embodiment of the present invention provides a pneumatic bearing installation jig based on a 3D printer, including a positioning base structure 1, a driving cylinder structure 2, a gear positioning structure 3 and a bearing quick-change structure 4, so as to effectively form a pneumatic bearing pushing and assembling framework through the above settings. At the same time, the integrated automation technology precisely controls the driving cylinder structure 2 to realize the stable and accurate assembly and placement of the bearing structure 9, which can effectively overcome the inherent defects in the traditional manual assembly process, improve the assembly efficiency, accuracy and consistency between the bearing structure 9 and the gear structure 8, ensure the first-pass rate of the assembly of the bearing structure 9 and the gear structure 8, and enhance the functional practicability of the overall framework. The specific settings are as follows:

[0047] Please refer to Figure 1 , the positioning base structure 1 can serve as the assembly basis of the overall framework; the driving cylinder structure 2 includes a pneumatic switch 21 and a cylinder body 22; wherein, the pneumatic switch 21 and the cylinder body 22 are respectively fixedly assembled on the top surface of the positioning base structure 1, and the pneumatic switch 21 and the cylinder body 22 are connected by a trachea and an electric circuit, so as to effectively realize the telescopic driving control of the cylinder body 22 by using the pneumatic switch 21 and ensure the stability of the pushing function.

[0048] In an optional implementation scheme, the positioning base structure 1 is also fixedly equipped with a control structure; specifically, the control structure includes an electric control module, a control panel and a touch display screen respectively fixedly arranged on the positioning base structure 1; wherein, the electric control module includes a power module and a control module connected through a circuit, and the control module can be selected but not limited to a single-chip microcomputer control board of model AT80C51 and a microcontroller of model STM32; the control output end of the control module is connected to the input end of a relay through a circuit, and the output end of the relay is respectively connected to the pneumatic switch 21 and the display end of the touch display screen through a circuit; the touch ends of the control panel and the touch display screen are respectively connected to the control input end of the control module through a circuit, so as to realize the preset pushing pressure of the cylinder body 22 through the control panel and the touch display screen according to the bearing structure 9 and its assembly tolerance range, thereby significantly improving the application compatibility of the architecture.

[0049] Please refer to Figure 1 and Figure 2 The gear positioning structure 3 includes a fixed seat portion 31 and a gear assembly portion 32 fixedly assembled on the top end of the fixed seat portion 31. The fixed seat portion 31 is fixedly assembled on the top end surface of the positioning base structure 1. The gear assembly portion 32 is correspondingly arranged on one side of the output end of the cylinder body 22, and the gear assembly portion 32 is detachably fixed to the gear structure 8, so as to use the gear assembly portion 32 as a detachable positioning basis for the gear structure 8 and its gear shaft 81.

[0050] The bearing quick-change structure 4 includes a high-precision guide seat 41 and a bearing clamping seat 42; wherein, the high-precision guide seat 41 is fixedly assembled on the fixed seat portion 31 and / or the positioning base structure 1; the bearing clamping seat 42 is directional slidingly assembled on the high-precision guide seat 41, and the bearing clamping seat 42 is transmission-fixedly connected to the output end of the cylinder body 22, and the bearing clamping seat 42 is detachably fixed to the bearing structure 9, and the center position of the inner ring of the bearing structure 9 is coaxially corresponding to the gear shaft 81 of the gear structure 8, so as to effectively realize the precise push-fitting of the bearing structure 9 to the predetermined position of the gear shaft 81 of the gear structure 8 based on the high-precision guiding effect of the high-precision guide seat 41, thereby reducing the positioning error caused by the instability of human operation and improving the overall functional practicality.

[0051] Although the utility model has been described in detail above with general descriptions and specific embodiments, it is obvious to those skilled in the art that some modifications or improvements can be made to the utility model. Therefore, these modifications or improvements made without departing from the spirit of the utility model are within the scope of protection claimed by the utility model.

Claims

1. A pneumatic bearing installation fixture based on a 3D printer, characterized in that, Including: A positioning base structure; A gear positioning structure, fixedly assembled on the positioning base structure, and the gear positioning structure can detachably fix a gear structure and its gear shaft; A driving cylinder structure, fixedly assembled on the positioning base structure; A bearing quick-change structure, drivingly fixedly assembled and connected between the output end of the driving cylinder structure, and the bearing quick-change structure can detachably fix a bearing structure corresponding to the gear shaft.

2. The pneumatic bearing installation fixture based on a 3D printer according to claim 1, characterized in that The driving cylinder structure includes a pneumatic switch and a cylinder body; The pneumatic switch and the cylinder body are respectively fixedly assembled on the top surface of the positioning base structure, and the pneumatic switch and the cylinder body are connected by an air pipe and a circuit.

3. The pneumatic bearing installation fixture based on a 3D printer according to claim 2, characterized in that The positioning base structure is also fixedly assembled with a control structure; The control structure is connected to the pneumatic switch by a circuit.

4. The pneumatic bearing installation fixture based on a 3D printer according to claim 3, characterized in that The control structure includes an electronic control module and a control panel respectively fixedly arranged on the positioning base structure; The electronic control module includes a power module and a control module connected by a circuit; The control output end of the control module is connected to the input end of a relay by a circuit, and the output end of the relay is connected to the pneumatic switch by a circuit; The control panel is connected to the control input end of the control module by a circuit.

5. The pneumatic bearing installation fixture based on a 3D printer according to claim 4, characterized in that The control structure further includes a touch display screen fixedly arranged on the positioning base structure; The output end of the relay is connected to the display end of the touch display screen by a circuit; The touch control end of the touch display screen is connected to the control input end of the control module by a circuit.

6. The pneumatic bearing installation fixture based on a 3D printer according to claim 2, characterized in that The gear positioning structure includes a fixed seat part and a gear assembly part fixedly assembled on the top of the fixed seat part; The fixed seat part is fixedly assembled on the top surface of the positioning base structure; The gear assembly part detachably fixes a gear structure and its gear shaft.

7. The pneumatic bearing installation fixture based on a 3D printer according to claim 6, characterized in that The gear assembly part is correspondingly arranged on one side of the output end of the cylinder body.

8. The pneumatic bearing installation fixture based on a 3D printer according to claim 6, characterized in that The bearing quick-change structure includes a high-precision guide seat and a bearing clamping seat; The high-precision guide seat is fixedly assembled on the positioning base structure; The bearing clamping seat is directionally slidably assembled on the high-precision guide seat, and the bearing clamping seat is drivingly fixedly connected to the output end of the cylinder body; The bearing clamping seat is detachably and fixedly provided with a bearing structure, and the center position of the inner ring of the bearing structure is coaxially corresponding to the gear shaft of the gear structure.

9. The pneumatic bearing installation fixture based on a 3D printer according to claim 8, characterized in that The high-precision guide seat and the fixed seat part are fixedly assembled and connected.

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