Assembly device
By designing an assembly device including a rotary positioning table and a downward positioning table, the problem of inaccurate assembly and positioning of the nitrogen oxygen sensor base and superimposed tube is solved, and the precise assembly and efficient welding of the base and superimposed tube is realized, which improves the Productivity and reduce costs.
Patent Information
- Application Number
- CN202323599032.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-27
- Publication Date
- 2025-01-17
- Estimated Expiration
- 2033-12-27
AI Technical Summary
When assembling the nitrogen oxygen sensor probe base and superimposed tube, existing tooling is difficult to ensure accurate positioning, resulting in low assembly quality, high production efficiency and cost.
An assembly device is designed, including a workbench, a rotary positioning table, a downward positioning table, a base conveying mechanism, a superimposed pipe conveying mechanism and a welding mechanism. The precise alignment of the base and superimposed pipe is achieved through the positioning column and a downward pressure table. , and 360° rotary welding is performed using a rotating table and a welding mechanism.
It realizes smooth and precise assembly of the base and superimposed pipe, ensures welding effect, improves processing efficiency and reduces production costs.
Smart Images

Figure CN222359615U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of assembly, in particular to an assembly device. Background Art
[0002] At present, the base and superimposed tube of the probe of the nitrogen oxygen sensor need to be assembled and then welded. When assembling with existing tooling and fixtures, it is difficult to ensure accurate positioning between the base and the superimposed tube, which will result in low assembly quality and even make it impossible to carry out the next step of welding. This not only reduces the production and processing efficiency, but also leads to high production costs. Utility Model Content
[0003] In order to overcome the deficiencies of the prior art, the purpose of the utility model is to provide a novel assembly device, which enables the base and the superimposed tube to be assembled smoothly and accurately, ensures the welding effect, and has high processing efficiency and low cost.
[0004] The utility model provides an assembly device, comprising: a workbench; and a rotating positioning platform, comprising a rotating platform and a positioning platform, wherein the rotating platform is fixed on the workbench, and the positioning platform performs a rotating motion around the rotating platform; a pressing positioning platform, which is arranged at a position directly above the positioning platform, and comprises a positioning column and a pressing platform, wherein the positioning column protrudes downward from the pressing platform; a base conveying mechanism, which conveys the base to the installation position of the positioning platform; a stacking tube conveying mechanism, which conveys the stacking tube to the directly above the coaxial position with the base, wherein the positioning column is sequentially inserted into the axial holes of the stacking tube and the base, and the stacking tube is moved and pressed down toward the positioning platform by the pressing platform to form an assembly; and a welding mechanism, wherein the welding nozzle thereof is inclined at 45 degrees to face the welding position of the assembly.
[0005] In a preferred embodiment of the present invention, the rotary positioning platform, the base conveying mechanism and the stacked tube conveying mechanism form a triangular positional relationship.
[0006] In a further preferred embodiment of the present invention, the assembly device further comprises an output mechanism, and the output mechanism is arranged between the base conveying mechanism and the stacked tube conveying mechanism and is directly opposite to the rotary positioning platform.
[0007] In a preferred embodiment of the utility model, the output mechanism includes a gripping portion, a slideway and a detachable box, the gripping portion is located above the slideway, the detachable box can be detachably installed in the workbench, and the upper opening is connected to the slideway.
[0008] In a preferred embodiment of the utility model, the base conveying mechanism includes a first vibrating feeding part, a position adjusting part and a first clamping conveying part, the first vibrating feeding part is connected to the position adjusting part, and the first clamping conveying part is located above the position adjusting part.
[0009] In a preferred embodiment of the utility model, the position adjustment part includes a slider and a slide rail, the slider can slide on the slide rail, the slider is connected to the first vibrating feeding part, and the slide rail is directly below the first clamping and conveying part.
[0010] In a preferred embodiment of the utility model, the stacked tube conveying mechanism includes a second vibrating feeding part, a positioning part and a second clamping conveying part, the second vibrating feeding part is connected to the positioning part, and the second clamping conveying part is located above the positioning part.
[0011] In a preferred embodiment of the utility model, when viewed from above, the center lines of the first clamp of the first clamping and conveying part, the rotating positioning platform and the second clamp of the second clamping and conveying part form a horizontal straight line.
[0012] In a preferred embodiment of the utility model, when viewed from above, the rotating positioning platform is connected with the center of the first clamp and the second clamp, and then connected with the center of the grasping part, forming a T shape.
[0013] Compared with the prior art, the beneficial effects of the present invention are:
[0014] By adopting the above-mentioned assembly device provided by the utility model, first, the base conveying mechanism conveys the base to the installation position of the positioning table to complete the positioning and installation of the base, and the superimposed tube conveying mechanism then conveys the superimposed tube to the top coaxial with the base to preliminarily complete the alignment of the superimposed tube and the base. At this time, the positioning column is inserted into the axial holes of the superimposed tube and the base in turn to complete the precise alignment of the superimposed tube and the base, and the pressing table moves downward toward the positioning table to press the superimposed tube accurately on the base to form an assembly, and the welding nozzle of the welding mechanism faces the welding position of the above-mentioned assembly (the boundary loop of the superimposed tube and the base assembly). At this time, the positioning table rotates around the rotating table, and the rotation length can be matched according to the length of the welding, generally 360° rotation welding, to complete the assembly welding of the superimposed tube and the base; the assembly device enables the base and the superimposed tube to be assembled smoothly and accurately, and also guarantees the welding effect, with high processing efficiency and low cost.
[0015] Other features and advantages of the utility model will be described in the subsequent description, and partly become apparent from the description, or understood by implementing the technical solution of the utility model. The purpose and other advantages of the utility model can be achieved and obtained through the structures and / or processes specifically pointed out in the description, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 A schematic diagram of the structure of an assembly device provided in an embodiment of the utility model;
[0017] Figure 2A top view of an assembly device provided in an embodiment of the utility model;
[0018] Figure 3 A schematic diagram of the structure of a rotary positioning platform and a downward pressing positioning platform provided in an embodiment of the utility model;
[0019] Figure 4 A schematic diagram of the structure of the base conveying mechanism provided in an embodiment of the utility model;
[0020] Figure 5 A schematic diagram of the structure of a stacked pipe conveying mechanism provided by an embodiment of the utility model;
[0021] Figure 6 A schematic diagram of the structure of a welding mechanism provided in an embodiment of the utility model;
[0022] Figure 7 A schematic diagram of the structure of the output mechanism provided by the embodiment of the utility model;
[0023] Figure 8 It is a structural schematic diagram of the base in the utility model;
[0024] Fig. 9 It is a structural schematic diagram of the superimposed tube in the utility model;
[0025] Description of Figure Numbers:
[0026] 100 - assembly device;
[0027] 10- Workbench;
[0028] 20-rotation positioning table, 21-rotation table, 22-positioning table, 221-installation position;
[0029] 30-pressing positioning platform, 31-positioning column, 32-pressing platform;
[0030] 40-base conveying mechanism, 41-first vibration feeding part, 411-first vibration plate, 412-first connecting channel, 42-position adjustment part, 421-slider, 4211-first installation cavity, 422-slide rail, 43-first clamping conveying part, 431-first track, 432-first connecting handle, 433-first clamp, 434-first base;
[0031] 50- stacking tube conveying mechanism, 51- second vibration feeding part, 511- second vibration plate, 512- second connecting channel, 52- position part, 521- second installation cavity, 53- second clamping conveying part, 531- second track, 532- second connecting handle, 533- second clamp;
[0032] 60-welding mechanism, 61-welding nozzle, 62-height adjustment part, 63-angle adjustment part, 64-welding base;
[0033] 70 - output mechanism, 71 - gripping portion, 711 - third track, 712 - third connecting handle, 713 - third clamp, 72 - slideway, 73 - removable box;
[0034] 200-base, 200a-central axis hole;
[0035] 300-superimposed tube, 300a-central axis hole; DETAILED DESCRIPTION
[0036] The following will describe the implementation method of the utility model in detail with the accompanying drawings and embodiments, so that the implementation process of how the utility model uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly. It should be noted that these specific descriptions are only to make it easier and clearer for ordinary technicians in this field to understand the utility model, rather than a restrictive interpretation of the utility model; for example, the first and second mentioned in the embodiments of the utility model do not constitute a limitation on it, but are only for expressing the serial numbers of multiple identical or similar devices and mechanisms. Ordinary technicians in this field can also readjust these serial numbers for the convenience of expression or in the process of arranging technical solutions; and different embodiments describe alternative solutions for some mechanisms, and these alternatives can also be applied to other identical or similar devices and mechanisms; and as long as there is no conflict, the various embodiments in the utility model and the various features in each embodiment can be combined with each other, and the technical solutions formed are all within the protection scope of the utility model.
[0037] The technical solution of the utility model is described in detail below through the accompanying drawings and specific embodiments: Example
[0038] See also Figure 1-Figure 7 This embodiment provides an assembly device 100, which is used for Figure 8 The base 200 shown in FIG. Fig. 9 The stacked pipe 300 shown in the figure is assembled and welded, and the assembly device 100 includes a workbench 10, a rotating positioning table 20, a pressing positioning table 30, a base conveying mechanism 40, a stacked pipe conveying mechanism 50 and a welding mechanism 60, specifically:
[0039] See also Figure 3 The rotating positioning platform 20 includes a rotating platform 21 and a positioning platform 22. The positioning platform 22 is provided with a mounting position 221. The mounting position 221 is set as a mounting column protruding upward from the positioning platform 22. The rotating platform 21 is fixed on the workbench 10. The positioning platform 22 is driven by a motor to rotate around the axis of the rotating platform 21.
[0040] The downward pressing positioning platform 30 is arranged just above the positioning platform 22 , and comprises a positioning column 31 and a downward pressing platform 32 . The positioning column 31 protrudes downward and extends from the downward pressing platform 32 . The positioning column 31 is coaxially arranged with the above-mentioned mounting column.
[0041] The base conveying mechanism 40 conveys the base 200 to the mounting position 221 of the positioning table 22 , and the central axis hole 200 a of the base 200 is inserted into the mounting column (mounting position 221 ).
[0042] The stacking tube conveying mechanism 50 conveys the stacking tube 300 to be coaxial with the base 200 and directly above it. The central axis hole 200a of the base 200 is coaxial with the central axis hole 300a of the stacking tube 300. The positioning column 31 is inserted into the central axis holes of the stacking tube 300 and the base 200 from top to bottom in sequence. The stacking tube 300 is moved and pressed downward by the pressing platform 32 toward the positioning platform 22 to form an assembly. The intersection ring line of the assembled stacking tube 300 and the base 200 forms a welding position.
[0043] The welding nozzle 61 of the welding mechanism 60 is tilted at 45° toward the welding position of the assembly, see Figure 6 The welding mechanism 60 also includes a height adjustment part 62, an angle adjustment part 63 and a welding base 64. The welding base 64 is fixedly connected to the workbench 10. The angle adjustment part 63 is used to adjust the rotation angle of the welding nozzle 61 of the welding machine, and the height adjustment part 62 is used to adjust the height of the welding nozzle 61 of the welding machine.
[0044] Using the above-mentioned assembly device 100, first, the base conveying mechanism 40 conveys the base 200 to the installation position 221 of the positioning platform 22 (inserted into the installation column), completing the positioning and installation of the base 200, and the stacking tube conveying mechanism 50 then conveys the stacking tube 300 to the top coaxial with the base 200, preliminarily completing the alignment of the stacking tube 300 and the base 200. At this time, the positioning column 31 is inserted into the central axis holes of the stacking tube 300 and the base 200 from top to bottom, completing the precise alignment of the stacking tube 300 and the base 200, and the pressing platform 32 is moved toward the positioning platform 22 to press down. , the stacked tube 300 is accurately pressed onto the base 200 to form an assembly, and the welding nozzle 61 of the welding mechanism 60 is facing the welding position of the above-mentioned assembly (the boundary loop of the stacked tube 300 and the base 200). At this time, the positioning table 22 is driven by the motor to rotate around the rotating table 21, and the rotation length can be matched according to the length of the welding. Generally, 360° rotation welding is performed to complete the assembly welding of the stacked tube 300 and the base 200; the assembly device 100 enables the base 200 and the stacked tube 300 to be assembled smoothly and accurately, and also ensures the welding effect, with high processing efficiency and low cost.
[0045] In this embodiment, see Figure 1 , Figure 2The rotating positioning table 20, the base conveying mechanism 40 and the stacking tube conveying mechanism 50 form a triangular positional relationship, and the structural arrangement is coordinated, which facilitates the base conveying mechanism 40 to convey the base 200 to the rotating positioning table 20, and facilitates the stacking tube conveying mechanism 50 to convey the stacking tube 300 to the upper surface of the base 200.
[0046] In this embodiment, the assembly device 100 also includes an output mechanism 70, which is arranged between the base conveying mechanism 40 and the stacking tube conveying mechanism 50 and is directly opposite to the rotating positioning table 20. The structural arrangement is coordinated to facilitate the output mechanism 70 to output the assembled and welded products.
[0047] join Figure 7 The output mechanism 70 includes a grabbing portion 71, a slide 72 and a detachable box 73. The grabbing portion 71 is located above the slide 72. The detachable box 73 can be detachably installed in the workbench 10, and the upper opening is connected to the slide 72. The grabbing portion 71 grabs the assembled and welded products into the slide 72, and the slide 72 sends them into the detachable box 73. When the product is full, the detachable box 73 can be removed for discharging, which is very convenient.
[0048] The grabbing portion 71 includes a third track 711, a third connecting handle 712, and a third clamp 713. The third clamp 713 is connected to one end of the third connecting handle 712. The other end of the third connecting handle 712 is driven by a motor to move back and forth on the third track 711, driving the third clamp 713 to move, and the third clamp 713 clamps the product.
[0049] See also Figure 4 The base conveying mechanism 40 includes a first vibrating loading part 41, a position adjusting part 42 and a first clamping conveying part 43. The first vibrating loading part 41 is connected to the position adjusting part 42. The first clamping conveying part 43 is located above the position adjusting part 42. The first vibrating loading part 41 sends the base 200 to the position adjusting part 42. The position adjusting part 42 sends the base 200 to the bottom of the first clamping conveying part 43. The first clamping conveying part 43 immediately clamps the base 200 and sends it to the rotating positioning table 20.
[0050] The first vibration feeding part 41 includes a first vibration plate 411 and a first connecting channel 412 . The first vibration plate 411 vibrates to feed the material, and the base 200 is sent to the position adjustment part 42 through the first connecting channel 412 .
[0051] The first clamping and conveying part 43 includes a first track 431, a first connecting handle 432, a first clamp 433, and a first base 434. The first base 434 is fixedly connected to the workbench 10. The first clamp 433 is connected to one end of the first connecting handle 432. The other end of the first connecting handle 432 is driven by a motor to move back and forth on the first track 431, driving the first clamp 433 to move. The first clamp 433 clamps the base 200.
[0052] The position adjustment part 42 includes a slider 421, a driving source and a slide rail 422. The slider 421 is provided with a first installation cavity 4211, and the first installation cavity 4211 is connected to the first connecting channel 412, so that the base 200 can be quickly installed. The driving source is an electric motor or a motor. The driving source drives the slider 421 to move on the slide rail 422, and moves the base 200 installed on the slider 421 to be directly below the first clamp 433, so as to facilitate clamping by the first clamp 433.
[0053] See also Figure 5 The stacked tube conveying mechanism 50 includes a second vibrating feeding portion 51, a positioning portion 52 and a second clamping and conveying portion 53. The second vibrating feeding portion 51 is connected to the positioning portion 52, and the second clamping and conveying portion 53 is located above the positioning portion 52 to facilitate clamping of the stacked tube 300.
[0054] The second vibration feeding portion 51 includes a second vibration plate 511 and a second connecting channel 512 . The second vibration plate 511 vibrates to feed the material, and the stacked tube 300 is sent to the position portion 52 through the second connecting channel 512 .
[0055] The position portion 52 is fixed to the rear end of the second connecting channel 512 , and a second installation cavity 521 is provided on the position portion 52 , so that the stacking tube 300 can be quickly installed.
[0056] The second clamping and conveying part 53 includes a second track 531, a second connecting handle 532 and a second clamp 533. The second clamp 533 is connected to one end of the second connecting handle 532. The other end of the second connecting handle 532 is driven by a motor to move back and forth on the second track 531, driving the second clamp 533 to move. The second clamp 533 clamps the stacked tube 300.
[0057] See also Figure 2 When viewed from above, the center lines of the first clamp 433 of the first clamping and conveying part 43, the rotating positioning table 20, and the second clamp 533 of the second clamping and conveying part 53 form a horizontal straight line. The conveying base 200 on the left side of the rotating positioning table 20 and the conveying stacking tube 300 on the right side do not interfere with each other, and the operation is smooth.
[0058] Continue to see Figure 2 When viewed from above, the rotating positioning platform 20 is connected with the center of the first clamp 433 and the second clamp 533, and then connected with the center of the grasping part 71, forming a T shape. The left side of the rotating positioning platform 20 conveys the base 200, the right side conveys the stacking tube 300, and the middle outputs the assembled and welded products, which is coordinated and efficient.
[0059] Finally, it should be noted that the above description is only the best embodiment of the utility model, and does not limit the utility model in any form. Any technician familiar with the field can make many possible changes and simple replacements to the technical solution of the utility model by using the above disclosed methods and technical contents without departing from the scope of the technical solution of the utility model, and these are all within the scope of protection of the technical solution of the utility model.
Claims
1. An assembly device, characterized in that: include: Workbench; as well as, A rotary positioning platform, comprising a rotary platform and a positioning platform, wherein the rotary platform is fixed to the workbench, and the positioning platform performs a rotary motion around the rotary platform; A downward pressing positioning platform is arranged at a position directly above the positioning platform, and comprises a positioning column and a downward pressing platform, wherein the positioning column protrudes downward from the downward pressing platform; A base conveying mechanism, for conveying the base to the installation position of the positioning platform; The stacking tube conveying mechanism conveys the stacking tube to the top coaxially with the base, the positioning column is inserted into the axial hole of the stacking tube and the base in sequence, and the stacking tube is moved and pressed toward the positioning platform by the pressing platform to form an assembly; The welding nozzle of the welding mechanism is inclined at 45 degrees toward the welding position of the assembly.
2. The assembly device according to claim 1, characterized in that: The rotary positioning platform, the base conveying mechanism and the stacked tube conveying mechanism form a triangular positional relationship.
3. The assembly device according to claim 2, characterized in that: The assembly device further comprises an output mechanism, which is arranged between the base conveying mechanism and the stacked tube conveying mechanism and is directly opposite to the rotary positioning platform.
4. The assembly device according to claim 3, characterized in that: The output mechanism comprises a gripping portion, a slideway and a detachable box, wherein the gripping portion is located above the slideway, and the detachable box can be detachably installed in the workbench, and an upper opening thereof is connected to the slideway.
5. The assembly device according to claim 4, characterized in that: The base conveying mechanism includes a first vibrating feeding part, a position adjusting part and a first clamping conveying part. The first vibrating feeding part is connected to the position adjusting part, and the first clamping conveying part is located above the position adjusting part.
6. The assembly device according to claim 5, characterized in that: The position adjustment part includes a slider and a slide rail, the slider can slide on the slide rail, the slider is connected to the first vibration feeding part, and the slide rail is directly below the first clamping and conveying part.
7. The assembly device according to claim 5, characterized in that: The stacked tube conveying mechanism includes a second vibrating feeding portion, a positioning portion, and a second clamping and conveying portion, wherein the second vibrating feeding portion is connected to the positioning portion, and the second clamping and conveying portion is located above the positioning portion.
8. The assembly device according to claim 7, characterized in that: When viewed from above, the center lines of the first clamp of the first clamping and conveying part, the rotating positioning platform and the second clamp of the second clamping and conveying part form a horizontal straight line.
9. The assembly device according to claim 8, characterized in that When viewed from above, the rotating positioning platform is connected with the centers of the first clamp and the second clamp, and then with the center of the grasping part, forming a T shape.