CN113953732A - Fixing device and method before welding of shaft tube plate spring seat - Google Patents
Fixing device and method before welding of shaft tube plate spring seat Download PDFInfo
- Publication number
- CN113953732A CN113953732A CN202111443849.2A CN202111443849A CN113953732A CN 113953732 A CN113953732 A CN 113953732A CN 202111443849 A CN202111443849 A CN 202111443849A CN 113953732 A CN113953732 A CN 113953732A
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- China
- Prior art keywords
- plate spring
- spring seat
- shaft tube
- fixing
- seat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
Abstract
The invention discloses a fixing device and a fixing method before welding of a shaft tube plate spring seat, wherein the fixing device comprises a fixing base and a fixing assembly which is arranged on the fixing base and used for fixing a shaft tube and the plate spring seat; the fixing assembly comprises a centering mechanism, a manual placing pin and a pressing mechanism. The centering mechanism is used for positioning the corresponding position relation between the shaft tube and the plate spring seat in the axial direction and the radial direction; the plate spring seat comprises an upper plate spring seat and a lower plate spring seat; the manual placement pin is used for limiting the position relation between the upper plate spring seat and the lower plate spring seat; the pressing mechanism is used for pressing and attaching the upper plate spring seat and the lower plate spring seat on the shaft tube and then welding the upper plate spring seat and the lower plate spring seat. Thereby saving the scribing time and the spot welding fixing time and improving the production efficiency; the positioning is carried out by adopting the position relation of the corresponding parts, and the positioning precision is high; meanwhile, damage caused by welding operation on the assembled product is avoided, the working efficiency is improved, the product quality consistency is good, and the qualified rate is stable.
Description
Technical Field
The invention relates to a fixing device and a fixing method before welding of a shaft tube plate spring seat.
Background
The plate spring is one of traditional elastic elements in a suspension system of a steam truck and a truck, can be used for transmitting all-directional force and moment, determining the motion track of a wheel and playing a role in guiding; and under the action of load, certain resistance can be generated to promote the vibration attenuation of the vehicle body, so that the shock absorption effect is realized.
The integrated semitrailer has the advantages that after an axle is assembled, the plate spring seat needs to be welded according to process and drawing requirements, and the traditional axle plate spring seat welding mode is that the position is determined by measuring and marking, and then welding is carried out. However, this welding method has at least the following drawbacks: 1) because the marking and positioning are needed, the axle is assembled and coated at the moment, and the appearance quality of the coated surface is influenced by marking; 2) because the axle is assembled, spot welding operation is carried out on the surface to position the relative position of the axle and the plate spring seat, spatters such as welding slag and the like easily enter the brake system in the spot welding process, so that the parts of the automobile body are damaged, and the service life of the parts and the service life of the automobile are influenced; 3) in addition, the welding mode is positioned through manual measurement, errors exist, the whole production process consumes long time, the production efficiency is not high, the product percent of pass is unstable, and the production cost is high.
Therefore, a welding positioning device and a welding positioning method capable of positioning the position of the spring seat quickly, ensuring the precision and size and avoiding the adverse effect caused by the welding of the assembled product are needed.
Disclosure of Invention
Aiming at the problems and achieving the aim, the invention provides a fixing device before welding of a shaft tube plate spring seat and an application method thereof, wherein the shaft tube plate spring seat is positioned in advance through the position relation of corresponding parts, so that the scribing time and the spot welding fixing time are directly saved, and the production efficiency is improved; meanwhile, damage caused by welding operation on the assembled product is avoided, and the working efficiency and the product quality are improved. The specific technical scheme is as follows:
the invention provides a fixing device before welding of a shaft tube plate spring seat, which comprises a fixing base and a fixing assembly, wherein the fixing assembly is arranged on the fixing base and used for fixing a shaft tube and the plate spring seat; the fixing assembly comprises a centering mechanism, a manual placing pin and a pressing mechanism. The centering mechanism is used for positioning the corresponding position relation between the shaft tube and the plate spring seat in the axial direction and the radial direction; the plate spring seat comprises an upper plate spring seat and a lower plate spring seat; the manual placement pin is used for limiting the position relation between the upper plate spring seat and the lower plate spring seat; the pressing mechanism is used for pressing and attaching the upper plate spring seat and the lower plate spring seat on the shaft tube.
In the device for fixing the plate spring seat of the shaft tube before welding, the centering mechanisms are sliding clamping mechanisms symmetrically arranged at two ends of the shaft tube; the sliding clamping mechanism comprises a slide rail, a clamping seat and a clamping plate; the slide rail is arranged on the fixed base, the clamping seat can slide in the slide rail, and the clamping plate is vertically arranged on the clamping seat; the upper parts of the clamping plates are provided with bayonets, and the two ends of the shaft tube are clamped in the bayonets of the two clamping plates; the axial opposite position relation between the positioning shaft tube and the plate spring seat is positioned by sliding the clamping seat in the slide rail, and the radial opposite position relation between the positioning shaft tube and the plate spring seat is positioned by adjusting the relative position between the clamping plate and the clamping seat.
The shaft tube plate spring seat welding front fixing device also comprises a power mechanism, wherein the power mechanism comprises an air cylinder and a pneumatic connecting rod which are arranged in the middle of the bottom surface of the fixing base; the pneumatic connecting rod is assembled on the bottom surface of the fixed base through a cushion block; the fixed base is provided with a sliding groove at the position of the clamping seat of the centering mechanism and used for driving the clamping seat and the clamping plate of the mechanism to move by the pneumatic connecting rod.
Preferably, in the fixing device before welding of the shaft tube plate spring seat, the number of the upper plate spring seat and the number of the lower plate spring seat are two, the upper plate spring seat is located below the shaft tube and is placed on the plate spring positioning seat on the fixing base, and the lower plate spring seat is located above the shaft tube and corresponds to the position of the upper plate spring seat.
According to the fixing device before welding of the shaft tube plate spring seat, the pins are manually placed and inserted into the pin holes in the fixing base, the upper plate spring seat and the lower plate spring seat are aligned, and the distance between the upper plate spring seat and the lower plate spring seat is controlled. And the manual placing pin penetrates through the bolt mounting hole of the upper plate spring seat, the bolt mounting hole of the lower plate spring seat and the pin hole of the fixing base for manual placing of the pin, and the manual placing pin penetrates through the three holes, so that when the lower plate spring seat and the upper plate spring seat are positioned on the same straight line, the positioning before welding of the lower plate spring seat is completed.
Preferably, the fixing device before welding of the shaft tube plate spring seat comprises a pressing mechanism
A plate, a column and a bearing seat; the bearing block is arranged on the fixed base, the bottom end of the upright post is connected with a bearing in the bearing block, and the upper end of the upright post is provided with a pressing plate; the upright post and the pressing plate at the upper end of the upright post are driven to compress or loosen the plate spring seat through the rotation of the bearing.
Preferably, in the device for fixing the shaft tube plate spring seat before welding, the pressing plate comprises a pressing plate body and a reinforcing plate; the clamp plate body transversely sets up on the stand top, the reinforcing plate is two wedge plates, and its setting is in clamp plate body both sides, and connects clamp plate body another side on one side and connect the stand.
In addition, the invention also provides a method for fixing the shaft tube plate spring seat before welding, which adopts the fixing device to fix the shaft tube and the plate spring seat before welding, and specifically comprises the following steps:
s1: placing the upper plate spring seat on a plate spring positioning seat of the fixed base, and fixing the distance between the two plate spring seats;
s2: placing the shaft tube on the upper plate spring seat through the centering mechanism, clamping two ends of the shaft tube on a clamping plate of the centering mechanism, and adjusting the axial and radial alignment position relation of the shaft tube and the upper plate spring seat to center the shaft tube;
s3: placing the lower plate spring seat on the shaft tube, wherein the position of the lower plate spring seat corresponds to that of the upper plate spring seat; meanwhile, a manual pin is placed to align the upper plate spring seat and the lower plate spring seat;
s4: and finally, aligning the lower plate spring seat by using a pressing mechanism, and tightly attaching the upper plate spring seat and the lower plate spring seat to the shaft tube, thereby completing the fixation before welding the shaft tube and the plate spring seat.
Preferably, in step S2, the axial relative position between the adjustment shaft tube and the upper leaf spring seat is automatically adjusted by a power mechanism.
The method has the beneficial effects that:
according to the fixing device before welding of the shaft tube plate spring seat, the plate spring seat and the shaft tube are positioned in advance through the centering mechanism according to the relative position relation of the end surface of the shaft tube shoulder part, the processing part of the double-head grinding machine and the plate spring seat, so that the scribing time and the spot welding fixing time are directly saved, and the production efficiency is improved; the positioning is carried out by adopting the position relation of the corresponding parts, and the positioning precision is high; meanwhile, damage caused by welding operation on the assembled product is avoided, the working efficiency is improved, the product quality consistency is good, and the qualified rate is stable.
The invention limits the position relation between the upper plate spring seat and the lower plate spring seat through manually placing the pin, has good flexibility, can check whether the positions between the upper plate spring seat and the lower plate spring seat are aligned, ensures the position correspondence, and tightly presses and fixes the upper plate spring seat and the lower plate spring seat through the compression mechanism, ensures that the welding operation cannot be displaced, improves the precision, omits the spot welding positioning operation, and avoids welding slag from entering the interior of a braking system.
The invention controls the corresponding position relation of the positioning shaft tube of the centering mechanism and the plate spring seat in the axial direction and the radial direction through the air cylinder and the pneumatic connecting rod, is more time-saving and labor-saving than manual adjustment, has higher precision and small error, and is beneficial to improving the production efficiency and the qualification rate of products.
Drawings
FIG. 1 is a schematic structural view of a fixing device before welding of a shaft tube plate spring seat according to the present invention;
FIG. 2 is a top view of the fixing device before welding the plate spring seat of the shaft tube;
FIG. 3 is a side view of the fixing device before welding the plate spring seat of the shaft tube;
fig. 4 is a schematic structural diagram of the power mechanism of the present invention;
fig. 5 is a schematic diagram of a manual pin placement structure of the present invention.
In the figure:
1. a fixed base; 2. an axle tube; 3. a plate spring seat; 31. an upper plate spring seat; 32. a lower spring seat; 4. a centering mechanism; 41. a slide rail; 42. a clamping seat; 43. a clamping plate; 44. a bayonet; 5. manually placing the pin; 6. a hold-down mechanism; 61. pressing a plate; 611. a pressing plate body; 612. a reinforcing plate; 62. a column; 63. a bearing seat; 7. a power mechanism; 71. a cylinder; 72. a pneumatic connecting rod; 73. cushion blocks; 8. a plate spring positioning seat; 9. a chute.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the embodiments and the accompanying drawings, and it is to be understood that the described embodiments are merely preferred embodiments of the present invention, rather than all embodiments, and are not intended to limit the present invention in other forms, and that any person skilled in the art may make changes or modifications using the technical contents disclosed. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.
The embodiment is a fixing device before welding of a shaft tube plate spring seat and a use method thereof, and the fixing device before welding, as shown in fig. 1 to 5, comprises a fixing base 1 and a fixing component which is arranged on the fixing base 1 and used for fixing a shaft tube 2 and a plate spring seat 3; the fixing component comprises a centering mechanism 4, a manual placing pin 5 and a pressing mechanism 6; the centering mechanism 4 is used for positioning the corresponding position relation between the shaft tube 2 and the plate spring seat 3 in the axial direction and the radial direction; the plate spring seat 3 comprises an upper plate spring seat 31 and a lower plate spring seat 32; the manual placing pin 5 is used for limiting the position relation between the upper plate spring seat 31 and the lower plate spring seat 32; the pressing mechanism 6 is used for pressing and attaching the upper spring seat 31 and the lower spring seat 32 to the shaft tube 2. Thereby positioning the plate spring seat and the shaft tube in advance, directly avoiding marking time and spot welding fixing time and improving production efficiency; the positioning is carried out by adopting the position relation of the corresponding parts, and the positioning precision is high; meanwhile, damage caused by welding operation on the assembled product is avoided, the working efficiency is improved, the product quality consistency is good, and the qualified rate is stable.
This embodiment the fixing device before welding of central siphon plate spring seat, centering mechanism 4 is the symmetry and sets up the slip block mechanism at central siphon 2 both ends. The sliding clamping mechanism comprises a slide rail 41, a clamping seat 42 and a clamping plate 43; the slide rail 41 is arranged on the fixed base 1, the engaging seat 42 can slide in the slide rail 41, and the engaging plate 43 is vertically arranged on the engaging seat 42; the upper part of the clamping plate 43 is provided with a bayonet 44, and the two ends of the shaft tube 2 are clamped in the bayonets 44 of the two clamping plates 43; the axial relative position relationship between the shaft tube 2 and the plate spring seat 3 is positioned by sliding the engaging seat 42 in the slide rail 41, and the radial relative position relationship between the shaft tube 2 and the plate spring seat 3 is positioned by adjusting the relative position between the engaging plate 43 and the engaging seat 42.
In this embodiment, the fixing device further comprises a power mechanism 7 for driving the centering mechanism 4 to position the shaft tube 2 and the plate spring seat 3 in the corresponding axial and radial directions. The power mechanism 7 comprises a cylinder 71 and a pneumatic connecting rod 72 which are arranged in the middle of the bottom surface of the fixed base 1; the pneumatic connecting rod 72 is assembled on the bottom surface of the fixed base 1 through a cushion block 73; the fixed base 1 is equipped with spout 9 in the block seat 42 department of centering mechanism 4 for pneumatic connecting rod 72 drives the block seat 42 and the motion of block board 43 of centering mechanism 4, thereby adjusts the relative position relation of location central siphon 2 and plate spring seat 3 in axial and footpath, compares in manual adjustment labour saving and time saving more and the precision is higher, and the error is little, does benefit to the qualification rate that improves production efficiency and product.
In this embodiment, the number of the upper spring seat 31 and the lower spring seat 32 is two, the upper spring seat 31 is located below the shaft tube 2 and is placed on the plate spring positioning seat 8 on the fixing base 1, and the lower spring seat 32 is located above the shaft tube 2 and corresponds to the position of the upper spring seat 31. In this embodiment, the upper spring seat 31 and the lower spring seat 32 are aligned and the distance therebetween is controlled by manually placing the pin 5 and inserting the pin into the pin hole of the fixed base 1. The manual placing pin 5 penetrates through the bolt mounting hole of the upper plate spring seat 31, the bolt mounting hole of the lower plate spring seat 32 and the pin hole of the manual placing pin 5 on the fixing base 1, and when the three holes are located on the same straight line, the positioning before welding of the lower plate spring seat 32 is completed.
In this embodiment, after the upper spring seat 31 and the lower spring seat 32 are aligned by the manual pin 5, the upper spring seat 31 and the lower spring seat 32 are pressed and attached to the shaft tube 2 by the pressing mechanism. The pressing mechanism 6 comprises a pressing plate 61, a stand column 62 and a bearing seat 63; the bearing seat 63 is arranged on the fixed base 1, the bottom end of the upright column 62 is connected with a bearing in the bearing seat 63, and the upper end of the upright column 62 is provided with the pressing plate 61; the rotation of the bearing drives the upright post 62 and the pressing plate 61 at the upper end thereof to press or release the plate spring seat 3. Preferably, the pressure plate 61 includes a pressure plate body 611 and a reinforcing plate 612; the pressing plate body 611 is transversely arranged at the top end of the upright post 62, the reinforcing plate 612 is two wedge-shaped plates which are arranged at two sides of the pressing plate body 611, one side of the reinforcing plate is connected with the pressing plate body 611, and the other side of the reinforcing plate is connected with the upright post 62, so that the connection between the pressing plate body 611 and the upright post 62 is reinforced.
The use method of the fixing device before welding of the shaft tube plate spring seat specifically comprises the following steps:
s1: placing the upper plate spring seat 31 on the plate spring positioning seat 8 of the fixed base 1, and fixing the distance between the two plate spring seats 3;
s2: the shaft tube 2 is placed on the upper plate spring seat 31 through the centering mechanism 4, two ends of the shaft tube 2 are clamped on the clamping plate 43 of the centering mechanism 4, and the axial and radial alignment positions of the shaft tube 2 and the upper plate spring seat 31 are automatically adjusted through the power mechanism 7 to be centered;
s3: the lower plate spring seat 32 is placed on the shaft tube 2 and corresponds to the upper plate spring seat 31 in position; meanwhile, a manual pin 5 is placed to align the upper plate spring seat 31 and the lower plate spring seat 32;
s4: finally, the pressing mechanism 6 is aligned with the lower plate spring seat 32, the upper plate spring seat 31 and the lower plate spring seat 32 are tightly attached to the shaft tube 2, so that the shaft tube 2 and the plate spring seat 3 are fixed before welding, and then welding operation is carried out.
According to the fixing device before welding of the shaft tube plate spring seat, the plate spring seat and the shaft tube are positioned in advance through the centering mechanism according to the relative position relation of the end surface of the shaft tube shoulder part, the processing part of the double-head grinding machine and the plate spring seat, so that the scribing time and the spot welding fixing time are directly saved, and the production efficiency is improved; the positioning is carried out by adopting the position relation of the corresponding parts, and the positioning precision is high; meanwhile, damage caused by welding operation on the assembled product is avoided, the working efficiency is improved, the product quality consistency is good, and the qualified rate is stable.
The invention limits the position relation between the upper plate spring seat and the lower plate spring seat through manually placing the pin, has good flexibility, can check whether the positions between the upper plate spring seat and the lower plate spring seat are aligned, ensures the position correspondence, and tightly presses and fixes the upper plate spring seat and the lower plate spring seat through the compression mechanism, ensures that the welding operation cannot be displaced, improves the precision, omits the spot welding positioning operation, and avoids welding slag from entering the interior of a braking system.
The invention controls the corresponding position relation of the positioning shaft tube of the centering mechanism and the plate spring seat in the axial direction and the radial direction through the air cylinder and the pneumatic connecting rod, is more time-saving and labor-saving than manual adjustment, has higher precision and small error, and is beneficial to improving the production efficiency and the qualification rate of products.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a fixing device before shaft tube plate spring seat welding which characterized in that: comprises a fixed base (1) and a fixed component which is arranged on the fixed base (1) and is used for fixing a shaft tube (2) and a plate spring seat (3);
the fixing component comprises a centering mechanism (4), a manual placing pin (5) and a pressing mechanism (6);
the centering mechanism (4) is used for positioning the corresponding position relation between the shaft tube (2) and the plate spring seat (3) in the axial direction and the radial direction;
the plate spring seat (3) comprises an upper plate spring seat (31) and a lower plate spring seat (32);
the manual placing pin (5) is used for limiting the position relation between the upper plate spring seat (31) and the lower plate spring seat (32);
the pressing mechanism (6) is used for pressing and attaching the upper plate spring seat (31) and the lower plate spring seat (32) on the shaft tube (2).
2. The device for fixing the plate spring seat before welding of the shaft tube according to claim 1, is characterized in that: the centering mechanisms (4) are sliding clamping mechanisms symmetrically arranged at two ends of the shaft tube (2);
the sliding clamping mechanism comprises a slide rail (41), a clamping seat (42) and a clamping plate (43);
the slide rail (41) is arranged on the fixed base (1), the clamping seat (42) can slide in the slide rail (41), and the clamping plate (43) is vertically arranged on the clamping seat (42);
the upper parts of the clamping plates (43) are provided with bayonets (44), and the two ends of the shaft tube (2) are clamped in the bayonets (44) of the two clamping plates (43); the axial opposite position relation between the shaft tube (2) and the plate spring seat (3) is positioned by sliding the clamping seat (42) in the slide rail (41), and the radial opposite position relation between the shaft tube (2) and the plate spring seat (3) is positioned by adjusting the relative position between the clamping plate (43) and the clamping seat (42).
3. The device for fixing the plate spring seat of the axle tube before welding according to claim 2, is characterized in that: the fixing device also comprises a power mechanism (7), wherein the power mechanism (7) comprises a cylinder (71) and a pneumatic connecting rod (72) which are arranged in the middle of the bottom surface of the fixing base (1); the pneumatic connecting rod (72) is assembled on the bottom surface of the fixed base (1) through a cushion block (73); the fixed base (1) is provided with a sliding groove (9) at the clamping seat (42) of the centering mechanism (4) and used for driving the clamping seat (42) and the clamping plate (43) of the centering mechanism (4) to move by a pneumatic connecting rod (72).
4. The device for fixing the plate spring seat before welding of the shaft tube according to claim 1, is characterized in that: the upper plate spring seat (31) and the lower plate spring seat (32) are two, the upper plate spring seat (31) is located below the shaft tube (2) and is placed on the plate spring positioning seat (8) on the fixed base (1), and the lower plate spring seat (32) is located above the shaft tube (2) and corresponds to the upper plate spring seat (31).
5. The device for fixing the plate spring seat before welding of the shaft tube according to claim 1, is characterized in that: the manual placing pin (5) is inserted into a pin hole of the manual placing pin on the fixed base (1), the upper plate spring seat (31) and the lower plate spring seat (32) are aligned, and the distance between the upper plate spring seat and the lower plate spring seat is controlled.
6. The device for fixing the plate spring seat of the axle tube before welding according to claim 5, is characterized in that: the manual placing pin (5) penetrates through a bolt mounting hole of the upper plate spring seat (31), a bolt mounting hole of the lower plate spring seat (32) and a pin hole of the manual placing pin (5) on the fixing base (1), and when the three holes are located on the same straight line, the positioning before welding of the lower plate spring seat (32) is completed.
7. The device for fixing the plate spring seat before welding of the shaft tube according to claim 1, is characterized in that: the pressing mechanism (6) comprises a pressing plate (61), an upright post (62) and a bearing seat (63); the bearing seat (63) is arranged on the fixed base (1), the bottom end of the upright post (62) is connected with a bearing in the bearing seat (63), and the upper end of the upright post (62) is provided with a pressing plate (61); the rotation of the bearing drives the upright post (62) and the pressing plate (61) at the upper end thereof to press or loosen the plate spring seat (3).
8. The device for fixing the plate spring seat before welding of the shaft tube according to claim 7, is characterized in that: the platen (61) includes a platen body (611) and a reinforcing plate (612); the pressing plate body (611) is transversely arranged at the top end of the upright column (62), the reinforcing plate (612) is two wedge-shaped plates which are arranged on two sides of the pressing plate body (611), and one side of the reinforcing plate is connected with the other side of the pressing plate body (611) and is connected with the upright column (62).
9. A method for fixing a shaft tube plate spring seat before welding is characterized by comprising the following steps: the method adopts the fixing device of claims 1-8 to fix the axle tube and the plate spring seat before welding, and specifically comprises the following steps:
s1: placing an upper plate spring seat (31) on a plate spring positioning seat (8) of a fixed base (1) and fixing the distance between two plate spring seats (3);
s2: the shaft tube (2) is placed on the upper plate spring seat (31) through the centering mechanism (4), two ends of the shaft tube (2) are clamped on a clamping plate (43) of the centering mechanism (4), and the axial and radial alignment position relationship between the shaft tube (2) and the upper plate spring seat (31) is adjusted to be centered;
s3: placing a lower plate spring seat (32) on the shaft tube (2) and corresponding to the upper plate spring seat (31); meanwhile, a manual placing pin (5) is placed to align the upper plate spring seat (31) and the lower plate spring seat (32);
s4: and finally, aligning the lower plate spring seat (32) by using a pressing mechanism (6), and tightly attaching the upper plate spring seat (31), the lower plate spring seat (32) and the shaft tube (2), thereby completing the fixation before welding the shaft tube (2) and the plate spring seat (3).
10. The method for fixing the plate spring seat of the axle tube before welding according to claim 9, characterized in that: in the step S2, the axial alignment relationship between the adjusting axle tube (2) and the upper leaf spring seat (31) is automatically adjusted by the power mechanism (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111443849.2A CN113953732A (en) | 2021-11-30 | 2021-11-30 | Fixing device and method before welding of shaft tube plate spring seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111443849.2A CN113953732A (en) | 2021-11-30 | 2021-11-30 | Fixing device and method before welding of shaft tube plate spring seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113953732A true CN113953732A (en) | 2022-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111443849.2A Pending CN113953732A (en) | 2021-11-30 | 2021-11-30 | Fixing device and method before welding of shaft tube plate spring seat |
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| Country | Link |
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| CN (1) | CN113953732A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2243443A1 (en) * | 1972-06-05 | 1974-01-03 | Alfred H Tessmann | METHOD AND DEVICE FOR PRODUCING A BUTT WELD JOINT |
| CN203804410U (en) * | 2014-05-12 | 2014-09-03 | 淮北恒远工程建材设备有限责任公司 | Pipe body clamping device for friction welding of triangular arc-ribbed drill pipe |
| CN205660328U (en) * | 2016-05-26 | 2016-10-26 | 石家庄奥通机械设备制造有限公司 | Semitrailer axle and plate spring seat welding frock |
| KR20170096522A (en) * | 2016-02-16 | 2017-08-24 | 장선화 | Welding machine for manufacturing pipe |
| CN109158818A (en) * | 2018-11-05 | 2019-01-08 | 广东富华重工制造有限公司 | The welding auxiliary mould of trailer axle |
-
2021
- 2021-11-30 CN CN202111443849.2A patent/CN113953732A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2243443A1 (en) * | 1972-06-05 | 1974-01-03 | Alfred H Tessmann | METHOD AND DEVICE FOR PRODUCING A BUTT WELD JOINT |
| CN203804410U (en) * | 2014-05-12 | 2014-09-03 | 淮北恒远工程建材设备有限责任公司 | Pipe body clamping device for friction welding of triangular arc-ribbed drill pipe |
| KR20170096522A (en) * | 2016-02-16 | 2017-08-24 | 장선화 | Welding machine for manufacturing pipe |
| CN205660328U (en) * | 2016-05-26 | 2016-10-26 | 石家庄奥通机械设备制造有限公司 | Semitrailer axle and plate spring seat welding frock |
| CN109158818A (en) * | 2018-11-05 | 2019-01-08 | 广东富华重工制造有限公司 | The welding auxiliary mould of trailer axle |
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