CN213436973U - Gearbox shifting fork assembly shifting fork pin riveting tool - Google Patents
Gearbox shifting fork assembly shifting fork pin riveting tool Download PDFInfo
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- CN213436973U CN213436973U CN202022288825.1U CN202022288825U CN213436973U CN 213436973 U CN213436973 U CN 213436973U CN 202022288825 U CN202022288825 U CN 202022288825U CN 213436973 U CN213436973 U CN 213436973U
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- pin fixing
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Abstract
The utility model provides a gearbox shift fork assembly shift fork round pin riveting frock, including upper plate, lower plate, be equipped with guide pillar guide pin bushing subassembly between upper plate, the lower plate, its technical core is: the upper riveting pin and the lower riveting pin are arranged at the plurality of riveting positions on the upper base plate and the lower base plate simultaneously, riveting at a plurality of positions is completed on the pressure equipment at one time, riveting efficiency is improved under the condition that riveting strength and riveting position accuracy of parts are guaranteed, and mass production is realized.
Description
Technical Field
The utility model is used for the shift fork assembly of commercial car gearbox especially relates to the riveting frock of shift fork and shifting fork round pin.
Background
The non-rivet connection is a plate connection technology which utilizes the cold deformation capacity of the plates to carry out pressure processing on the plates so as to cause the plates to generate local deformation and connect the plates together, and the non-rivet connection is a plate connection mode without an additional connecting piece. The connection mode can realize the optimal connection of two-layer or multi-layer plate pieces with different thicknesses and different materials without spot welding and riveting. Such connections are widely used in the automotive industry, particularly in automotive bodies.
According to the domestic shifting fork assembly of the Dongfeng Volvo 14-gear gearbox, after the shifting fork base body and the shifting fork pin are pressed, the shifting fork pin and the shifting fork base body are required to be connected without rivets, the shifting fork pin and the shifting fork pin hole are ensured to be firmly matched after riveting, the shifting fork is prevented from falling off in the subsequent gear shifting work, and meanwhile, the position precision of the shifting fork assembly after riveting is also ensured, so that the shifting fork is flexible, easy and free from abnormal sound in the gear shifting process, and the riveting force is required to be reasonably controlled; as shown in fig. 1, the shift fork base a has 3 positions on which the shift fork pins B are mounted, and the first position M1, the second position M2 and the third position M3 are riveting positions respectively, and each riveting position has two opposite riveting points; the existing mode is to realize the non-rivet connection by respectively riveting and pressing the tool at each position, and the mode has the disadvantages of low riveting efficiency, high labor intensity and non-conformity to the requirement of mass production.
Disclosure of Invention
An object of the utility model is to provide a gearbox shift fork assembly shift fork round pin riveting frock, the riveting at a plurality of positions is once only accomplished to one set of frock, under the circumstances of guaranteeing part riveting intensity and riveting back position precision, improves riveting efficiency, realizes mass production.
In order to achieve the purpose, the technical proposal of the utility model is that: gearbox shift fork assembly shift fork round pin riveting frock, including upper plate, lower plate, be equipped with guide pillar guide pin bushing subassembly, its characterized in that between upper plate, the lower plate:
lower riveting pins are fixed on the lower bottom plate at a plurality of riveting positions through a lower riveting pin fixing plate, and upper riveting pins are correspondingly fixed on the upper bottom plate through an upper riveting pin fixing plate;
the upper floating pressing plate is fixed on the upper base plate through a first bolt and a first compression spring, the upper floating pressing plate is positioned below the upper riveting pin, and the upper floating pressing plate is provided with a through hole of the upper riveting pin; the lower floating pressing plate is fixed on the lower bottom plate through a second bolt and a second compression spring, the lower floating pressing plate is positioned above the lower riveting pin, and the lower floating pressing plate is provided with a through hole of the lower riveting pin; the upper floating pressing plate is provided with upper supporting cushion blocks at a plurality of riveting positions respectively, the lower floating pressing plate is provided with lower supporting cushion blocks at a plurality of riveting positions respectively, and the lower floating pressing plate is provided with side positioning blocks.
The technical scheme is further limited as follows: a lower rivet pin fixing counter bore is formed in the lower rivet pin fixing plate, the lower rivet pin is fixed on the lower rivet pin fixing plate through the lower rivet pin fixing counter bore, and the lower rivet pin fixing plate is connected to the lower bottom plate through a bolt; an upper rivet pin fixing counter bore is formed in the upper rivet pin fixing plate, the upper rivet pin is fixed on the upper rivet pin fixing plate through the upper rivet pin fixing counter bore, and the upper rivet pin fixing plate is connected to the upper base plate through a bolt; the arrangement is simple in structure and easy to implement.
The technical scheme is further limited as follows: an upper backing plate is arranged between the upper riveting pin fixing plate and the upper bottom plate, and a lower backing plate is arranged between the lower riveting pin fixing plate and the lower bottom plate; according to the arrangement, the corresponding riveting pin is supported by the base plate, the pressure of the riveting pin acts on the base plate during riveting, the base plate serves as a stress point, only the upper base plate and the lower base plate need to be replaced when the base plate is worn or damaged, the upper base plate and the lower base plate are not affected, and the maintenance cost is reduced.
The utility model has the advantages that: the utility model discloses install on pressure equipment, with shift fork round pin pressfitting in the shift fork base member, form and treat riveting shifting fork assembly part, to treating riveting shifting fork assembly part to place on the pressure strip that floats under through the side locating piece location, start pressure equipment, riveting on a plurality of position synchronization, the riveting effect that obtains intensity, size meet the demands has improved riveting efficiency, realizes mass production.
Drawings
Fig. 1 is a schematic structural diagram of a prior art fork assembly (with a fork pin).
Fig. 2 is a front view (sectional view) of the present invention.
Fig. 3 is a left side view of the present invention.
Fig. 4 is a schematic view of the positioning of the middle part of the shift fork assembly to be riveted on the lower floating pressure plate of the present invention.
Shown in the figure: 1. a lower base plate; 2. a lower riveting pin fixing plate; 3. a lower floating compression plate; 4. a side positioning block; 5. riveting a pin; 6. riveting pins are arranged; 7. an upper floating pressure strip; 8. fixing plates of the upper riveting pins; 9. an upper base plate; 10. a first bolt; 11. a first compression spring; 12. a second bolt; 13. a second compression spring; 14. a guide post and guide sleeve assembly; A. and (5) riveting the shifting fork assembly component.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 2-4, the shifting fork pin riveting tool for the shifting fork assembly of the gearbox comprises an upper base plate 9 and a lower base plate 1, wherein a guide pillar and guide sleeve assembly 14 is arranged between the upper base plate and the lower base plate, lower riveting pins 5 are fixed on the lower base plate at a plurality of riveting positions through a lower riveting pin fixing plate 2, and upper riveting pins 6 are correspondingly fixed on the upper base plate through an upper riveting pin fixing plate 8;
the upper floating pressure plate 7 is fixed on the upper bottom plate 9 through a first bolt 10 and a first compression spring 11, the upper floating pressure plate 7 is positioned below the upper riveting pin 6, and the upper floating pressure plate is provided with a through hole of the upper riveting pin; the lower floating pressing plate 3 is fixed on the lower base plate 1 through a second bolt 12 and a second compression spring 13, the lower floating pressing plate 3 is positioned above the lower riveting pin 5, and the lower floating pressing plate is provided with a through hole of the lower riveting pin; the upper floating pressing plate is provided with upper supporting cushion blocks 7-1 at a plurality of riveting positions respectively, the lower floating pressing plate is provided with lower supporting cushion blocks 3-1 at a plurality of riveting positions respectively, and the lower floating pressing plate is provided with side positioning blocks 4.
In the utility model, as shown in fig. 1, a lower rivet fixing counter bore is arranged on a lower rivet fixing plate 2, a lower rivet is fixed on the lower rivet fixing plate through the lower rivet fixing counter bore, and the lower rivet fixing plate 2 is connected on a lower bottom plate 1 through a bolt; an upper rivet pin fixing counter bore is formed in the upper rivet pin fixing plate 8, the upper rivet pin is fixed on the upper rivet pin fixing plate through the upper rivet pin fixing counter bore, and the upper rivet pin fixing plate 8 is connected to the upper base plate 9 through a bolt; the arrangement is simple in structure and easy to implement.
The utility model discloses in fixed mode of lower riveting pin on riveting pin fixed plate and go up the riveting pin and be not restricted to above-mentioned description on last riveting pin fixed plate down, other concrete structure can realize in addition among the prior art.
In the utility model, as shown in figure 1, an upper backing plate 9-1 is arranged between an upper riveting pin fixing plate and an upper bottom plate, and a lower backing plate 3-1 is arranged between a lower riveting pin fixing plate and a lower bottom plate; according to the arrangement, the corresponding riveting pin is supported by the base plate, the pressure of the riveting pin acts on the base plate during riveting, the base plate serves as a stress point, only the upper base plate and the lower base plate need to be replaced when the base plate is worn or damaged, the upper base plate and the lower base plate are not affected, and the maintenance cost is reduced.
The working principle of the present invention is described with reference to fig. 1 to 4:
1. pressing a shifting fork pin into a shifting fork base body to obtain a shifting fork assembly component A to be riveted;
2. the riveting tool is arranged on a pressure device, and the pressure and the stroke of the riveting tool are well adjusted;
3. positioning a shifting fork assembly component A to be riveted on a lower floating pressing plate 3 through a side positioning block 4;
4. and starting pressure equipment, closing the upper and lower bottom plates, transmitting pressing force to the upper and lower floating pressing plates through springs, pressing the shifting fork assembly component A to be riveted, continuously pressing downwards, riveting through the upper riveting pin and the lower riveting pin (a first position M1, a second position M2 and a third position M3), returning after the pressure equipment reaches a stroke, and completing riveting of a plurality of positions, namely a first position M1, a second position M2 and a third position M3).
Adopt the utility model discloses, through verifying, intensity, size and part geometric tolerances all satisfy the drawing standard after the riveting, and the process is stable, and the riveting is efficient, adapts to mass production requirement.
Claims (3)
1. Gearbox shift fork assembly shift fork round pin riveting frock, including upper plate, lower plate, be equipped with guide pillar guide pin bushing subassembly, its characterized in that between upper plate, the lower plate:
lower riveting pins are fixed on the lower bottom plate at a plurality of riveting positions through a lower riveting pin fixing plate, and upper riveting pins are correspondingly fixed on the upper bottom plate through an upper riveting pin fixing plate;
the upper floating pressing plate is fixed on the upper base plate through a first bolt and a first compression spring, the upper floating pressing plate is positioned below the upper riveting pin, and the upper floating pressing plate is provided with a through hole of the upper riveting pin; the lower floating pressing plate is fixed on the lower bottom plate through a second bolt and a second compression spring, the lower floating pressing plate is positioned above the lower riveting pin, and the lower floating pressing plate is provided with a through hole of the lower riveting pin; the upper floating pressing plate is provided with upper supporting cushion blocks at a plurality of riveting positions respectively, the lower floating pressing plate is provided with lower supporting cushion blocks at a plurality of riveting positions respectively, and the lower floating pressing plate is provided with side positioning blocks.
2. The gearbox shifting fork assembly shift fork pin riveting tool of claim 1, characterized in that:
a lower rivet pin fixing counter bore is formed in the lower rivet pin fixing plate, the lower rivet pin is fixed on the lower rivet pin fixing plate through the lower rivet pin fixing counter bore, and the lower rivet pin fixing plate is connected to the lower bottom plate through a bolt; an upper riveting pin fixing counter bore is formed in the upper riveting pin fixing plate, the upper riveting pin is fixed on the upper riveting pin fixing plate through the upper riveting pin fixing counter bore, and the upper riveting pin fixing plate is connected to the upper base plate through a bolt.
3. The gearbox shifting fork assembly shift fork pin riveting tool according to claim 1 or 2, characterized in that: an upper backing plate is arranged between the upper riveting pin fixing plate and the upper base plate, and a lower backing plate is arranged between the lower riveting pin fixing plate and the lower base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022288825.1U CN213436973U (en) | 2020-10-15 | 2020-10-15 | Gearbox shifting fork assembly shifting fork pin riveting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022288825.1U CN213436973U (en) | 2020-10-15 | 2020-10-15 | Gearbox shifting fork assembly shifting fork pin riveting tool |
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| Publication Number | Publication Date |
|---|---|
| CN213436973U true CN213436973U (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022288825.1U Active CN213436973U (en) | 2020-10-15 | 2020-10-15 | Gearbox shifting fork assembly shifting fork pin riveting tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114310754A (en) * | 2022-01-25 | 2022-04-12 | 浙江华朔科技股份有限公司 | New energy automobile support clamp assembling tool and assembling method |
-
2020
- 2020-10-15 CN CN202022288825.1U patent/CN213436973U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114310754A (en) * | 2022-01-25 | 2022-04-12 | 浙江华朔科技股份有限公司 | New energy automobile support clamp assembling tool and assembling method |
| CN114310754B (en) * | 2022-01-25 | 2024-01-19 | 浙江华朔科技股份有限公司 | New energy automobile bracket clip assembly tool and assembly method |
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