CN216680843U - Welding tool base for shock absorber - Google Patents

Abstract

The application discloses bumper shock absorber welding frock base, including the air cylinder that pushes down, the fixed setting of air cylinder that pushes down still includes internal expanding chip and plug, the fixed setting of internal expanding chip, the plug slides and sets up, and is provided with the through-hole on the internal expanding chip, the plug with through-hole sliding fit is in the same place. The utility model has the following beneficial effects: when the spring disc is welded, the fixed spring disc is clamped from two directions, the fixing effect is better, and the spring disc is not easy to deviate and displace.

Description

Welding tool base for shock absorber

Technical Field

The utility model relates to the field of shock absorbers, in particular to a shock absorber welding tool base.

Background

In the damper production industry, welding is one of the necessary production steps for producing many damper products, and shielded welding is an important welding mode and is applied to the production of many damper products.

Because welding technology has certain degree of difficulty, and also high to product welded precision requirement, so need let each welding parts's position keep fixed in welding process, utilize the cylinder centre gripping fixed spring dish when producing the bumper shock absorber at present, then weld, but only utilize the cylinder to come centre gripping spring dish, the spring dish can take place the skew, exists welding error easily.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the utility model provides a shock absorber welding tool base.

The technical scheme adopted by the utility model is as follows:

the utility model provides a bumper shock absorber welding frock base, includes the air cylinder that pushes down, the fixed setting of air cylinder that pushes down still includes internal expanding chip and plug, the fixed setting of internal expanding chip, the plug slides and sets up, and is provided with the through-hole on the internal expanding chip, the plug with the through-hole sliding fit is in the same place.

The working process of the tool base is as follows, firstly, a corresponding inner expansion chip and a corresponding spring disc profiling tool (different spring disc profiling tools can be placed according to different welding sizes) are placed in a core rod, then the spring disc, the liquid storage cylinder and other accessories are placed in the core rod, after a starting signal is sent, the core rod moves upwards to enable the inner expansion chip to expand outwards, so that the liquid storage cylinder is fixed, then the rotary pressing cylinder is rotated to complete rotary pressing, after limiting is completed, the spring disc is clamped in a bidirectional mode through inner expansion and outer clamping, and welding is completed by a robot after the spring disc is clamped.

To sum up, this well frock base presss from both sides tight fixed spring dish from two directions when welding the spring dish, and fixed effect is better, and the spring dish is more difficult for taking place skew and displacement.

Optionally, the central axis of the core rod and the central axis of the inner expanding chip are overlapped.

The central axis of the core rod is superposed with the central axis of the internal expansion chip, so that the stability of the matching between the core rod and the internal expansion chip can be ensured.

Optionally, the through hole is a circular truncated cone-shaped through hole.

Optionally, the pressing cylinder is a rotary pressing cylinder, and a connecting block is arranged on the rotary pressing cylinder.

The internal expansion chip is used for tightly expanding and tightly attaching to the inner wall of the liquid storage cylinder, and the connecting block of the rotary pressing cylinder presses the end of the spring disc, so that the spring disc is fixed in the transverse direction and the longitudinal direction, and the spring disc is more stable after being fixed.

Optionally, there are two lower air cylinders, and the inner expansion chip is located between the two lower air cylinders.

Optionally, the mandrel assembly further comprises a lifting cylinder, and the lifting cylinder is matched with the mandrel.

The action of the lifting cylinder drives the core rod to move up and down.

Optionally, the mandrel lifting device further comprises a connecting piece, and the mandrel is connected with the lifting cylinder through the connecting piece.

The effect of connecting piece makes connecting plug and cylinder, and the both ends of concrete connecting piece are all in the same place with lift cylinder and plug cooperation through threaded connection's mode.

Optionally, the pressing device further comprises a connecting plate, and the pressing cylinder and the inner expansion chip are fixed on the connecting plate.

The concrete connecting plate comprises a first connecting plate, a second connecting plate, a third connecting plate and a fourth connecting plate, the first connecting plate, the second connecting plate and the third connecting plate are connected through bolts, the first connecting plate is parallel to the third connecting plate, the second connecting plate is perpendicularly connected with the first connecting plate and the third connecting plate, the lifting cylinder is connected with the first connecting plate through bolts, the connecting piece is connected with the lifting cylinder through threads, after the core rod is arranged in the inner-expanding chip, the core rod is connected through the threads and the connecting piece, then the inner-expanding chip is connected with the fourth connecting plate through the fastening hole, the third connecting plate and the fourth connecting plate are positioned through positioning pins, the third connecting plate and the fourth connecting plate are fixed through bolts, and the lifting cylinder is installed on the first connecting plate through bolts.

In the structure, the positioning pin is used for positioning between the third connecting plate and the fourth connecting plate, then the bolt assembly is used for fixing the third connecting plate and the fourth connecting plate, and for the bolt assembly direct fixation, the existence of the positioning pin can ensure that the stress borne by the bolt assembly is smaller, and the cylinder and the core rod are ensured to be vertical, so that the bolt assembly is not easy to deform, and the third connecting plate and the fourth connecting plate are not easy to clamp. And the third connecting plate and the part below form a whole, the fourth connecting plate and the part above form a whole, when different profiling dies need to be replaced, the whole can be directly replaced, and the existence of the positioning pin can ensure the consistency of rapid die replacement and tool adjustment.

The fourth connecting plate is also provided with a limiting pressure rod which is used for compressing and fixing the liquid storage barrel. The design scheme is convenient for fast converting the working procedures and meeting the process design requirements by replacing the whole die when the working procedures are converted.

The utility model has the beneficial effects that: when the spring disc is welded, the fixed spring disc is clamped from two directions, the fixing effect is better, and the spring disc is more difficult to deviate and displace.

Description of the drawings:

FIG. 1 is a shock absorber welding tooling base.

The figures are numbered: 101. a first connecting plate; 102. a second connecting plate; 103. a third connecting plate; 104. a fourth connecting plate; 2. positioning pins; 3. rotating the pressing cylinder; 301. connecting blocks; 4. a lifting cylinder; 5. a connecting member; 6. a core rod; 7. an inner expanding chip; 8. a limiting pressure lever; 9. a spring collar; 10. an adjusting block; 11. a spring holder; 12. a spring holder masterform; 13. a support pillar; 14. a liquid storage barrel positioning block; 15. a liquid reservoir.

The specific implementation mode is as follows:

the present invention will be described in detail below with reference to the accompanying drawings.

As shown in the attached drawing 1, the shock absorber welding tool base comprises a pressing cylinder, the pressing cylinder is fixedly arranged, an inner expansion chip 7 and a core rod 6 are further included, the inner expansion chip 7 is fixedly arranged, the core rod 6 is arranged in a sliding mode, a through hole is formed in the inner expansion chip 7, and the core rod 6 and the through hole are matched in a sliding mode.

The working process of the tool base is as follows, firstly, a corresponding inner expansion chip and a corresponding spring disc profiling tool are put into a core rod (different spring disc profiling tools can be put into the core rod according to different welding sizes), then the spring disc, the liquid storage cylinder and other accessories are put into the core rod, after a starting signal is sent, the core rod 6 moves upwards to enable the inner expansion chip 7 to expand outwards so as to fix the liquid storage cylinder, then the lower pressing cylinder is rotated to complete the rotating and pressing, after the limiting is completed, the spring disc 11 is clamped in a bidirectional mode through inner expansion and outer clamping, and after the spring disc 11 is clamped, the welding of the spring disc and the liquid storage cylinder is completed through a robot.

To sum up, this well frock base presss from both sides tight fixed spring dish from two directions when welding the spring dish, and fixed effect is better, and the spring dish is more difficult for taking place skew and displacement.

As shown in fig. 1, the central axis of the core rod 6 and the central axis of the inner expanding chip 7 coincide with each other.

The central axis of the core rod 6 coincides with the central axis of the internal expansion chip 7, so that the stability of the matching between the core rod 6 and the internal expansion chip 7 can be ensured.

And a spring collar 9 for preventing the internal expansion chip 7 from slipping is also arranged on the internal expansion chip.

As shown in fig. 1, the through hole is a circular truncated cone-shaped through hole.

As shown in fig. 1, the down-pressure cylinder is a rotary down-pressure cylinder 3, and a connecting block 301 is arranged on the rotary down-pressure cylinder 3.

The effect of the internal expanding chip 7 is to tightly press the inner wall of the spring disc, and the connecting block 301 of the rotary pressing cylinder 3 presses the end of the spring disc, so that the spring disc is fixed in the transverse direction and the longitudinal direction, and the spring disc 11 is more stable after being fixed.

The specific connecting block 301 is further provided with an adjusting block 10, and the adjusting block 10 is used for adjusting the compression distance of the spring disc 11.

As shown in figure 1, the number of the lower pressure air cylinders is two, and the inner expansion chip 7 is positioned between the two lower pressure air cylinders.

As shown in fig. 1, the device also comprises a lifting cylinder 4, wherein the lifting cylinder 4 is matched with the core rod 6.

The lifting cylinder 4 acts to drive the mandrel 6 to move up and down.

As shown in fig. 1, the mandrel lifter also comprises a connecting piece 5, and the mandrel 6 is connected with the lifting cylinder 4 through the connecting piece 5.

The connecting piece 5 is used for connecting the core rod 6 with the cylinder, and both ends of the connecting piece 5 are matched with the lifting cylinder 4 and the core rod 6 in a threaded connection mode.

As shown in the attached figure 1, the device also comprises a connecting plate, and the downward-pressing cylinder and the internal expansion chip 7 are fixed on the connecting plate.

The concrete connection plates comprise a first connection plate 101, a second connection plate 102, a third connection plate 103 and a fourth connection plate 104, the first connection plate 101, the second connection plate 102 and the third connection plate 103 are connected through bolts, the first connection plate 101 is parallel to the third connection plate 103, the second connection plate 102 is vertically connected with the first connection plate 101 and the third connection plate 103, the lifting cylinder 4 is connected with the first connection plate 101 through bolts, the connecting piece 5 is connected with the lifting cylinder 4 through threads, after the core rod 6 is arranged in the inner expanding chip 7, the core rod 6 is connected with the connecting piece 5 through threads, then, the inner expansion chip 7 is connected with a fourth connecting plate 104 through a tight matching hole, the third connecting plate 103 and the fourth connecting plate 104 are positioned through a positioning pin 2, the third connecting plate 103 and the fourth connecting plate 104 are fixed through bolts, and the lifting cylinder 4 is installed on the first connecting plate 101 through bolts.

Earlier fix a position with locating pin 2 between third connecting plate 103 and the fourth connecting plate 104 in the above-mentioned structure, then the reuse bolt assembly fixes the two, for bolt assembly snap-on, the existence of locating pin 2 can let the stress that bolt assembly bore littleer, has guaranteed simultaneously that cylinder and plug remain perpendicular for bolt assembly is difficult for taking place deformation, is difficult for blocking between third connecting plate 103 and the fourth connecting plate 104 to die. And the third connecting plate 103 and the part below form a whole, the fourth connecting plate 104 and the part above form a whole, when different profiling dies need to be replaced, the whole can be directly replaced, and the existence of the positioning pin 2 can ensure the consistency of rapid die replacement and tool adjustment.

The fourth connecting plate 104 is further provided with a limiting pressure bar 8, and the limiting pressure bar 8 is used for compressing and fixing the liquid storage barrel. The design scheme is convenient for fast converting the working procedures and meeting the process design requirements by replacing the whole die when the working procedures are converted.

Specifically, the supporting columns 13 are arranged on the fourth connecting plate 104, and liquid storage cartridges 15 of different specifications can be welded by replacing different supporting columns 13.

The fourth connecting plate is further provided with a liquid storage barrel positioning block 14, and the liquid storage barrel positioning block 14 is convenient for positioning the liquid storage barrel 15.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings can be directly or indirectly applied to other related technical fields and are included in the scope of the present invention.

Claims (8)

1. The utility model provides a bumper shock absorber welding frock base, includes the air cylinder that pushes down, the fixed setting of air cylinder that pushes down, its characterized in that still includes the chip and the plug that rises in, the fixed setting of chip that rises in, the plug slides and sets up, and is provided with the through-hole on the chip that rises in, the plug with the through-hole sliding fit is in the same place.

2. The shock absorber welding tool base of claim 1, wherein a central axis of the core rod and a central axis of the inner expanding chip are coincident with each other.

3. The shock absorber welding tool mount of claim 1, wherein the through hole is a frustoconical through hole.

4. The shock absorber welding tool base of claim 1, wherein the hold-down cylinder is a rotary hold-down cylinder, and a connecting block is arranged on the rotary hold-down cylinder.

5. The shock absorber welding tool base of claim 1, wherein there are two hold-down cylinders, and the internal expansion chip is located between the two hold-down cylinders.

6. The shock absorber welding tooling base of claim 1, further comprising a lift cylinder, wherein the lift cylinder is mated with the mandrel.

7. The shock absorber welding tool base of claim 6, further comprising a connecting piece, wherein the core rod is connected with the lifting cylinder through the connecting piece.

8. The shock absorber welding tool base of claim 1, further comprising a connecting plate, wherein the down-pressing cylinder and the internal expansion chip are both arranged on the connecting plate.

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