Welding auxiliary protection device for DPF carrier separation blade

Abstract

The utility model provides an auxiliary welding protection device for a DPF (diesel particulate filter) carrier separation blade, which can play a role in positioning in the welding process of the carrier separation blade and can also play a role in protecting a carrier in the welding process to prevent welding slag from splashing to the air outlet end of the carrier. A plurality of magnet mounting grooves are formed in the edge of the separation blade positioning piece, and the magnets are mounted in the magnet mounting grooves; the carrier protection disc is fixed to the lower end of the separation blade positioning piece, a carrier separation blade positioning groove is formed in the position, corresponding to the magnet, of the carrier protection disc, the carrier separation blade positioning groove is matched with the carrier separation blade in shape, the carrier separation blade is configured to be attracted in the carrier separation blade positioning groove through the magnet, and the carrier protection disc is in clearance fit with the inner wall of the DPF cylinder; and the driving device is configured to be capable of driving the carrier separation blade fixed in the carrier separation blade positioning groove to move to a preset welding position in the DPF cylinder.

Description

Technical Field

[0001] The utility model relates to the technical field of production auxiliary equipment for an exhaust gas post-processing device, in particular to a welding auxiliary protection device for a DPF carrier baffle. Background Art

[0002] DPF stands for diesel particulate filter on diesel vehicles. Its main function is to capture particulate matter that enters the exhaust system after diesel combustion through the filter device on the surface and inside the device to purify the exhaust gas emissions. During use, DPF will continue to accumulate particulate matter. When it accumulates to a certain extent, it needs to be cleaned or regenerated to restore its filtering performance. Designing DPF as a detachable structure can facilitate users or maintenance personnel to clean, replace or regenerate it at any time.

[0003] Figure 1 A cross-sectional view of a DPF assembly is shown, in which the DPF carrier 3 is installed in the external DPF cylinder 1. In order to limit the position of the DPF carrier 3, a carrier baffle 2 is welded in the cylinder 2. Currently, the carrier baffle is welded manually with a jig. In order to further ensure product quality and improve efficiency, it is considered to use machine welding, and for this purpose, the existing production auxiliary equipment needs to be modified. Utility Model Content

[0004] In view of the above problems, the utility model provides a welding auxiliary protection device for a DPF carrier baffle, which can play a positioning role during the welding process of the carrier baffle, and can also play a protective role for the carrier during the welding process to prevent welding slag from splashing to the gas outlet end of the carrier.

[0005] The technical solution is as follows: a welding auxiliary protection device for a DPF carrier baffle, comprising:

[0006] A DPF cylinder positioning mechanism, the DPF cylinder positioning mechanism comprises a positioning plate, a plurality of circumferential positioning blocks are arranged on the positioning plate along the circumference, and the DPF cylinder can be clamped on the circumferential positioning blocks;

[0007] It is characterized by further comprising:

[0008] A carrier baffle positioning mechanism, the carrier baffle positioning mechanism comprising:

[0009] A baffle positioning member, wherein a plurality of magnet mounting grooves are arranged at the edge of the baffle positioning member, and magnets are mounted in the magnet mounting grooves;

[0010] A carrier protection plate, the carrier protection plate is fixed to the lower end of the baffle positioning member, a carrier baffle positioning groove is provided on the carrier protection plate at a position corresponding to the magnet, the carrier baffle positioning groove matches the shape of the carrier baffle, the carrier baffle is configured to be adsorbed in the carrier baffle positioning groove by the magnet, and the carrier protection plate is in clearance with the inner wall of the DPF cylinder;

[0011] A driving device is configured to drive the carrier baffle fixed in the carrier baffle positioning groove to move to a preset welding position in the DPF cylinder.

[0012] Furthermore, the baffle positioning member includes a plurality of fan-shaped positioning blocks, and the magnet mounting grooves are provided at the edges of the fan-shaped positioning blocks.

[0013] Furthermore, the circumferential positioning block is provided with an arc-shaped portion matching the outer wall of the DPF cylinder.

[0014] Furthermore, the baffle positioning piece is made of copper.

[0015] Furthermore, the DPF cylinder positioning mechanism also includes a base, and mounting holes are respectively provided on the base and the positioning plate, and the positioning plate is detachably mounted on the base.

[0016] Furthermore, the carrier baffle positioning mechanism also includes a drive device positioning seat, which is installed on the base and is provided with a mounting positioning hole. It also includes an adjustment mounting plate, which is provided with a vertically arranged long hole. The adjustment mounting plate is fixed to the drive device positioning seat by bolts, the mounting positioning hole and the long hole, and the drive device is fixed to the adjustment mounting plate.

[0017] Furthermore, a vertical slide rail is installed on the adjustment mounting plate, a sliding platform with sliding fit is provided on the slide rail, a connecting plate is fixed on the sliding platform, the connecting plate is connected to the moving part of the driving device, an L-shaped support plate is connected to the connecting plate, and the L-shaped support plate is connected to the baffle positioning member.

[0018] Furthermore, the L-shaped support plate is provided with a cylinder pressing portion that cooperates with the cylinder wall of the DPF cylinder.

[0019] Furthermore, a limit plate is provided on the adjustment mounting plate and at the lower end of the slide rail, and the limit plate is configured to limit the connection plate.

[0020] Furthermore, a limiting block is provided on the driving device positioning seat and at the lower end of the adjusting mounting plate.

[0021] Furthermore, the base is provided with an installation adjustment groove that cooperates with the drive device positioning seat, the drive device positioning seat is correspondingly provided with a mounting seat installation hole, the base and the drive device positioning seat are also provided with mutually cooperating assembly adjustment positioning holes, and the adjustment mounting plate and the drive device positioning seat are also provided with mutually cooperating assembly adjustment positioning holes.

[0022] The welding auxiliary protection device of the DPF carrier baffle of the utility model is provided with a carrier baffle positioning groove for the carrier baffle to form an outer shape positioning consistent with the carrier baffle, and is adsorbed in the carrier baffle positioning groove by a magnet, and the baffle positioning piece can simultaneously position multiple carrier baffles, and the DPF cylinder is positioned in combination with the circumferential positioning block, and the carrier baffle fixed in the carrier baffle positioning groove is conveniently and accurately positioned by moving to a preset welding position in the DPF cylinder, thereby improving the welding efficiency and welding quality; a carrier protection plate is provided at the lower end of the baffle positioning piece, and the carrier protection plate has a protective effect on the carrier during the welding process, preventing welding slag from splashing to the air outlet end of the carrier and affecting the functional efficiency of the carrier; the baffle positioning piece is made of copper material, which can avoid effective welding of the welding gun and prevent welding adhesion;

[0023] In addition, the welding auxiliary protection device of the DPF carrier baffle of the utility model is a universal equipment. According to the different heights of the cylinder assemblies and the different cylinder diameters of each DPF component, a replacement module is provided for the DPF cylinder positioning mechanism and the carrier baffle positioning mechanism. The baffle positioning piece and the carrier protection plate in the DPF cylinder positioning mechanism and the positioning plate on the carrier baffle positioning mechanism are replaceable, the position of the drive device positioning seat in the DPF cylinder positioning mechanism is adjustable, and the installation height of the components installed on the drive device positioning seat is adjustable, which can adapt to the positioning of the carrier baffles of different DPF components. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a cross-sectional view of a DPF component;

[0025] Figure 2 A stereoscopic view of the welding auxiliary protection device of the DPF carrier baffle in Example 1 from a first viewing angle;

[0026] Figure 3 A stereoscopic view of the welding auxiliary protection device of the DPF carrier baffle in Example 1 from a first viewing angle;

[0027] Figure 4 A three-dimensional view of an assembly carrier baffle of a welding auxiliary protection device for a DPF carrier baffle in Example 1;

[0028] Figure 5 A front view of an assembled carrier baffle of the welding auxiliary protection device for the DPF carrier baffle in Example 1;

[0029] Figure 6 for Figure 5 A schematic cross-sectional view taken along the CC direction;

[0030] Figure 7 is a schematic diagram of the main components of the carrier baffle positioning mechanism in Example 2;

[0031] Figure 8 It is a schematic diagram of the cooperation between the carrier baffle positioning mechanism and the corresponding DPF component in Example 2;

[0032] Fig. 9 Schematic diagram of the cooperation between the carrier baffle positioning mechanism and the corresponding DPF assembly in Example 3. DETAILED DESCRIPTION

[0033] See Figures 2 to 6 , a welding auxiliary protection device for a DPF carrier baffle, comprising:

[0034] The DPF cylinder positioning mechanism 100 includes a positioning plate 101, on which a plurality of circumferential positioning blocks 102 are arranged along the circumference. The DPF cylinder 1 can be clamped on the circumferential positioning blocks 102, and the DPF cylinder positioning mechanism 100 realizes the positioning of the DPF cylinder 1;

[0035] The carrier baffle positioning mechanism 200 includes:

[0036] A baffle positioning member 201, wherein a plurality of magnet mounting grooves 203 are provided at the edge of the baffle positioning member 201, and magnets 204 are mounted in the magnet mounting grooves 203;

[0037] The carrier protection plate 205 is fixed at the lower end of the baffle positioning member 201. The carrier protection plate 205 is provided with a carrier baffle positioning groove 202 at a position corresponding to the magnet 204. The carrier baffle positioning groove 202 matches the shape of the carrier baffle. The carrier baffle 2 is adsorbed in the carrier baffle positioning groove 202 by the magnet. The carrier protection plate and the inner wall gap of the DPF cylinder are matched.

[0038] The driving device 207 can drive the carrier baffle 2 fixed in the carrier baffle positioning groove 202 to move to a preset welding position in the DPF cylinder 1.

[0039] In the welding auxiliary protection device of the DPF carrier baffle in the embodiment, for the carrier baffle, the baffle positioning member 201 includes a plurality of fan-shaped positioning blocks 209 , and carrier baffle positioning grooves 203 are provided at the edges of the fan-shaped positioning blocks 209 .

[0040] In the embodiment, a carrier baffle positioning groove 202 is provided to be consistent with the shape of the carrier baffle, and is adsorbed in the carrier baffle positioning groove 202 by a magnet 204. The baffle positioning member 201 can simultaneously position multiple carrier baffles 2, and is combined with the circumferential positioning block 102 to position the DPF cylinder 1. The carrier baffle 2 fixed in the carrier baffle positioning groove 202 is conveniently and accurately positioned by moving to a preset welding position in the DPF cylinder 1, thereby improving welding efficiency and welding quality; a carrier protective plate 205 is provided at the lower end of the baffle positioning member 201, and the carrier protective plate 205 protects the carrier during welding to prevent welding slag from splashing to the air outlet end of the carrier and affecting the functional efficiency of the carrier; the baffle positioning member 201 is made of copper material to avoid effective welding of the welding gun and prevent welding adhesion, and the corrosion resistance of copper also prolongs the service life of the equipment.

[0041] In the embodiment, the carrier baffle positioning groove is precisely matched with the carrier baffle, combined with magnetic adsorption, to ensure the stable fixation of the carrier baffle before welding, thereby avoiding the errors that may be caused by traditional manual positioning, significantly improving the welding accuracy, and simplifying the operation, reducing the operating difficulty and personnel skill requirements.

[0042] In one embodiment, the circumferential positioning block 102 is provided with an arc portion 103 matching the outer wall of the DPF cylinder 1. The arc portion of the circumferential positioning block matches the outer wall of the DPF cylinder, thereby realizing rapid and accurate positioning of the DPF cylinder and providing a stable platform for subsequent welding operations. The circumferential positioning block 102 is fixed to the positioning plate 101 by bolts.

[0043] Consider other products with different carrier diameter specifications. The carrier diameter specifications of different products are: 5.66” / 6.77” / 7.5” / 9” / 10.5”, double quotes represent “inches”, as shown in Figure 7 , 8 , 9, which displayed two other DPF components with different diameter specifications. In order to adapt to the manual welding of different DPF components and carrier baffles to machine welding to improve production quality and efficiency, a welding auxiliary protection device for DPF carrier baffles with better versatility was continued to be designed.

[0044] In one embodiment, the DPF cylinder positioning mechanism 100 further includes a base 104 . The base 104 and the positioning plate 101 are respectively provided with mounting holes 105 . The positioning plate 101 is detachably mounted on the base 104 .

[0045] In one embodiment, the carrier baffle positioning mechanism 200 also includes a drive device positioning seat 210, which is installed on the base 104. The drive device positioning seat 210 is provided with a mounting positioning hole 211, and also includes an adjustment mounting plate 212. The adjustment mounting plate 212 is provided with a vertically arranged long hole 213. The adjustment mounting plate 212 is fixed to the drive device positioning seat 210 by bolts, the mounting positioning hole 211 and the long hole 213. The drive device 207 is fixed on the adjustment mounting plate 212. In this embodiment, the linear drive device 207 adopts a quick clamp. In other embodiments, a linear drive device 207 such as a cylinder or a linear module can also be used. The design of the adjustment mounting plate makes the position and height of the drive device and the baffle positioning member adjustable, further enhancing the adaptability of the equipment.

[0046] In addition, a vertical slide rail 214 is installed on the adjustment mounting plate 212, and a sliding platform 215 is provided on the slide rail 214 for sliding cooperation. A connecting plate 216 is fixed on the sliding platform 215, and the connecting plate 216 is connected to the moving parts of the driving device 207. An L-shaped support plate 217 is connected to the connecting plate 216, and the L-shaped support plate 217 is connected to the baffle positioning member 201.

[0047] In the embodiment, a cylinder pressing portion 218 cooperating with the cylinder wall of the DPF cylinder 1 is provided on the L-shaped support plate 217. The cylinder pressing portion 218 can simultaneously press the DPF cylinder while the driving device 207 drives the carrier baffle 2 to move to a preset welding position in the DPF cylinder 1, thereby improving the accuracy of welding.

[0048] The welding auxiliary protection device in practice can be used for Figure 1 The welding of the carrier baffle of the DPF of a shortened product shown can also be used for the welding of the air outlet end of the cylinder and the insulation shell of the product. The DPF cylinder includes an inner cylinder and an outer insulation shell. In the previous process, only one end of the cylinder and the insulation shell need to be welded. By using the welding auxiliary protection device in the embodiment, the two welding processes of welding the carrier baffle and welding the air outlet end of the cylinder and the insulation shell can be optimized and merged into one, and the efficiency is improved by merging the two steps into one.

[0049] In the embodiment, a limit plate 219 is provided on the adjusting mounting plate 212 and at the lower end of the slide rail 214, and the limit plate 219 is configured to limit the connection plate 216. In addition, in the embodiment, a limit block 220 is provided on the driving device positioning seat 210 and at the lower end of the adjusting mounting plate 212 to further ensure the accuracy of welding. The design of the limit plate and the limit block ensures the stability and safety of the device during operation.

[0050] In view of the size differences of different DPF components, the scheme adopts a modular design concept, allowing the replacement of components of the DPF cylinder positioning mechanism and the carrier baffle positioning mechanism, such as the positioning plate, baffle positioning piece, and carrier protection plate, which greatly enhances the adaptability of the equipment. The adjustable drive device positioning seat realizes the flexible positioning and height adjustment of the drive device and its accessories by adjusting the mounting plate and the drive device positioning seat, meeting the welding requirements of DPF components of different heights and diameters.

[0051] In the embodiment, the base 104 is provided with an installation adjustment groove 221 that cooperates with the drive device positioning seat 210, and the drive device positioning seat 210 is correspondingly provided with a mounting seat installation hole 208. The base 104 and the drive device positioning seat 210 are also provided with mutually cooperating assembly adjustment positioning holes 206, and the adjustment mounting plate and the drive device positioning seat are also provided with mutually cooperating assembly adjustment positioning holes 206.

[0052] Due to different cylinder diameters and heights, the position of the drive device locating seat and the drive device also need to be changed. For this purpose, the base and the drive device locating seat are provided with assembly adjustment positioning holes that match each other. The position marks of the assembly adjustment positioning holes are marked with the applicable product carrier diameter. Similarly, the adjustment mounting plate and the drive device locating seat are provided with assembly adjustment positioning holes that match each other. The position marks of the assembly adjustment positioning holes are marked with the applicable product carrier diameter. Such a setting can facilitate the replacement of DPF components of different sizes.

[0053] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A welding auxiliary protection device for a DPF carrier baffle, comprising: A DPF cylinder positioning mechanism, the DPF cylinder positioning mechanism comprises a positioning plate, a plurality of circumferential positioning blocks are arranged on the positioning plate along the circumference, and the DPF cylinder can be clamped on the circumferential positioning blocks; It is characterized by further comprising: A carrier baffle positioning mechanism, the carrier baffle positioning mechanism comprising: A baffle positioning member, wherein a plurality of magnet mounting grooves are arranged at the edge of the baffle positioning member, and magnets are mounted in the magnet mounting grooves; A carrier protection plate, the carrier protection plate is fixed to the lower end of the baffle positioning member, a carrier baffle positioning groove is provided on the carrier protection plate at a position corresponding to the magnet, the carrier baffle positioning groove matches the shape of the carrier baffle, the carrier baffle is configured to be adsorbed in the carrier baffle positioning groove by the magnet, and the carrier protection plate is in clearance with the inner wall of the DPF cylinder; A driving device is configured to drive the carrier baffle fixed in the carrier baffle positioning groove to move to a preset welding position in the DPF cylinder.

2. The welding auxiliary protection device for a DPF carrier baffle according to claim 1, characterized in that: The baffle positioning member includes a plurality of fan-shaped positioning blocks, and the magnet mounting grooves are arranged at the edges of the fan-shaped positioning blocks.

3. The welding auxiliary protection device for a DPF carrier baffle according to claim 1, characterized in that: The circumferential positioning block is provided with an arc portion matching the outer wall of the DPF cylinder.

4. The welding auxiliary protection device for a DPF carrier baffle according to claim 1, characterized in that: The baffle positioning piece is made of copper.

5. The welding auxiliary protection device for a DPF carrier baffle according to claim 1, characterized in that: The DPF cylinder positioning mechanism also includes a base, and mounting holes are respectively provided on the base and the positioning plate, and the positioning plate is detachably mounted on the base.

6. The welding auxiliary protection device for a DPF carrier baffle according to claim 5, characterized in that: The carrier baffle positioning mechanism also includes a drive device positioning seat, which is installed on the base and is provided with a mounting positioning hole. It also includes an adjustment mounting plate, which is provided with a vertically arranged long hole. The adjustment mounting plate is fixed to the drive device positioning seat by bolts, the mounting positioning hole and the long hole, and the drive device is fixed on the adjustment mounting plate.

7. The welding auxiliary protection device for a DPF carrier baffle according to claim 6, characterized in that: A vertical slide rail is also installed on the adjustment mounting plate, and a sliding platform with sliding fit is provided on the slide rail. A connecting plate is fixed on the sliding platform, and the connecting plate is connected to the moving part of the driving device. An L-shaped support plate is connected to the connecting plate, and the L-shaped support plate is connected to the baffle positioning member.

8. The welding auxiliary protection device for a DPF carrier baffle according to claim 7, characterized in that: The L-shaped support plate is provided with a cylinder pressing portion that cooperates with the cylinder wall of the DPF cylinder.

9. The welding auxiliary protection device for a DPF carrier baffle according to claim 7, characterized in that: A limit plate is arranged on the adjusting mounting plate and at the lower end of the slide rail, and the limit plate is configured to limit the connecting plate. A limit block is arranged on the driving device positioning seat and at the lower end of the adjusting mounting plate.

10. The welding auxiliary protection device for a DPF carrier baffle according to claim 6, characterized in that: The base is provided with an installation adjustment groove that cooperates with the drive device positioning seat, and the drive device positioning seat is correspondingly provided with a mounting seat installation hole. The base and the drive device positioning seat are also provided with mutually cooperating assembly adjustment positioning holes, and the adjustment mounting plate and the drive device positioning seat are also provided with mutually cooperating assembly adjustment positioning holes.

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