CN112011676A - Stress relief device - Google Patents
Stress relief device Download PDFInfo
- Publication number
- CN112011676A CN112011676A CN201910468122.6A CN201910468122A CN112011676A CN 112011676 A CN112011676 A CN 112011676A CN 201910468122 A CN201910468122 A CN 201910468122A CN 112011676 A CN112011676 A CN 112011676A
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- China
- Prior art keywords
- vibration
- workpiece
- plate
- guide
- stress relief
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
- C21D9/0018—Details, accessories not peculiar to any of the following furnaces for charging, discharging or manipulation of charge
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D10/00—Modifying the physical properties by methods other than heat treatment or deformation
Abstract
The invention provides a distressing and ageing device of a large box-type welding component, which is provided with a thermal ageing furnace and a movable vibration table, wherein the movable vibration table is provided with a travelling mechanism so as to enable the movable vibration table to move, when the ageing treatment is carried out on a workpiece, the workpiece is fixed on the movable vibration table, and the movable vibration table is used for sending the workpiece into the thermal ageing furnace to carry out thermal and vibration loading synchronously, so that the thermal and vibration comprehensive ageing treatment is carried out on the workpiece to reduce the welding residual stress of the workpiece. The stress relief device overcomes the defects that the stress relief device in the prior art is single and the technical problem of combination of thermal aging and vibration aging is not considered; meanwhile, the movable vibration table can be moved into or out of the thermal aging furnace, and the workpiece can be disassembled and assembled after being moved out of the thermal aging furnace along with the movable vibration table, so that the workpiece can be disassembled and assembled more flexibly.
Description
Technical Field
The invention relates to a stress relief device, in particular to a thermal-vibration comprehensive relief device for relieving residual stress at a welding position of a large box-type component.
Background
After the metal or the alloy is welded, large residual stress can be generated in a welded part, quality problems such as deformation, fatigue cracking and the like of a welding line and a heat affected zone can be caused if the metal or the alloy is not effectively treated, and the service life of a workpiece is seriously shortened. At present, various methods for eliminating or reducing the residual stress of the welding component are available, such as natural aging, ultrasonic aging, thermal aging, vibration aging and the like, but an effective device and a corresponding implementation standard for eliminating the residual stress of the large box-type welding component are lacked.
The large box-type welding component is commonly used in workpieces such as a converter cabinet body, a storage battery box body and the like in the rail transit industry, the workpieces are complex in service condition, severe in service environment and high in requirement on a welding process, and residual stress caused by welding is eliminated as far as possible. On one hand, the existing stress relief device is generally a single vibration aging device or a thermal aging device, and a device combining thermal aging and vibration aging is not considered; on the other hand, the existing vibration aging device needs to install the vibration exciter on the workpiece or under the bottom of the vibration table, and the vibration table does not have mobility, so that the equipment structure is complex, the occupied space is large, and the workpiece is not flexible to assemble and disassemble.
Problems or disadvantages of the prior art:
1. in engineering applications, the stress relief process of large welded components lacks the corresponding implementation standards and equipment;
2. a single thermal or vibratory aging method has limited ability to relieve residual stresses;
3. a vibration table in engineering application is usually heavy, poor in flexibility and inconvenient to carry and move;
4. in engineering application, the vibration aging process needs to customize a proper vibration rack for workpieces of different specifications and shapes, and the universality is not strong.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides a stress relief device, which has the following specific scheme:
the utility model provides a destressing aging device, includes hot ageing furnace and portable shaking table, portable shaking table includes running gear, portable shaking table passes through running gear immigration or shift out hot ageing furnace.
Furthermore, the walking mechanism comprises a supporting plate and a pulley and connecting rod mechanism arranged at the bottom of the supporting plate.
Further, pulley link mechanism includes the connecting rod, the both ends of connecting rod all are provided with bearing support, cover and establish bearing and cover on the connecting rod are established pulley on the bearing, bearing support with backup pad fixed connection.
Furthermore, the bearing support is in contact with and fixedly connected with the support plate, and the contact surface of the bearing support facing the support plate is a plane.
Furthermore, the movable vibration table further comprises a vibration plate and a buffer guide mechanism, and the buffer guide mechanism is located between the support plate and the vibration plate.
Furthermore, the buffer guide mechanism comprises a spring, a guide rod and a guide post;
the end part of the guide post is fixedly connected with the supporting plate, one end of the guide rod is fixedly connected with the vibrating plate, the guide post is provided with a guide cavity for accommodating the other end part of the guide rod, the guide cavity is used for limiting the translational freedom degree of the guide rod except the axial direction, and the spring sleeve is sleeved outside the guide rod.
Furthermore, the buffering guide mechanism further comprises a sleeve, the sleeve is sleeved outside the spring, and one end of the sleeve is fixedly connected with the vibrating plate.
Furthermore, one end of the spring is connected with the vibrating plate, and the other end of the spring is connected with the upper end face of the guide pillar.
Further, the vibration exciter is arranged on the upper end face of the vibration plate, the vibration plate comprises a vibration exciter mounting area and a workpiece fixing area for fixing a workpiece, and the vibration exciter is arranged in the vibration exciter mounting area to be separated from the workpiece.
Further, a hand push rod is arranged on the movable vibration table, the hand push rod is used for moving the movable vibration table, and a door plate is arranged at an inlet and an outlet of the thermal aging furnace; and/or
The movable type vibration table is provided with power equipment, the power equipment is used for moving the movable type vibration table, and door plates are arranged at the inlet and outlet of the thermal aging furnace.
Compared with the prior art, the stress relief device provided by the invention is provided with the thermal relief furnace and the movable vibration table, the movable vibration table is provided with the travelling mechanism to enable the movable vibration table to move, when the workpiece is subjected to the relief treatment, the workpiece is fixed on the movable vibration table, and is sent into the thermal relief furnace through the movable vibration table to be subjected to thermal and vibration loading synchronously, so that the workpiece is subjected to thermal and vibration comprehensive relief treatment to reduce the welding residual stress of the workpiece. The stress relief device overcomes the defects that the stress relief device in the prior art is single and the technical problem of combination of thermal aging and vibration aging is not considered; meanwhile, the movable vibration table can be moved into or out of the thermal aging furnace, and the workpiece can be disassembled and assembled after being moved out of the thermal aging furnace along with the movable vibration table, so that the workpiece can be disassembled and assembled more flexibly.
Be equipped with work piece fixed area and vibration exciter installing zone on the vibration board of this application respectively, the vibration exciter is arranged in the vibration exciter installing zone, separates with the work piece, no longer installs on the work piece, and the vibration exciter installs the up end at vibration board, no longer sets up underneath the shaking table, the shaking table of this application passes through running gear immigration or shifts out thermal ageing furnace, therefore the destressing ageing device simple structure of this application, take up space for a short time, the work piece is rolled over and is adorned in a flexible way.
Drawings
The invention will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings. Wherein:
FIG. 1 is a perspective view of a mobile vibration table of a stress relief apparatus for a large box welded component in an embodiment of the present invention;
FIG. 2 is a perspective view of a thermal aging furnace of the stress relief aging apparatus for large box-type welded components in an embodiment of the present invention;
FIG. 3 is a perspective view of the pulley link mechanism in an embodiment of the present invention showing the connecting rod and components at one end of the connecting rod, with components at the other end of the connecting rod omitted;
fig. 4 is a perspective view of the damper guide mechanism in the embodiment of the present invention, in which a spring is omitted.
In the drawings, like reference numerals are used for like reference numerals, and the drawings are not drawn to scale.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 4, the present embodiment provides a stress relief apparatus comprising a thermal ageing furnace 14 and a movable vibration table including a traveling mechanism, the movable vibration table being moved into or out of the thermal ageing furnace 14 by the traveling mechanism.
When the workpiece 1 needs to be subjected to aging treatment, the workpiece 1 is fixed on a movable vibration table, and the workpiece 1 is sent into a thermal aging furnace 14 through the movable vibration table to be subjected to thermal and vibration loading synchronously, so that the workpiece 1 is subjected to thermal and vibration comprehensive aging treatment to reduce the welding residual stress of the workpiece 1. The stress relief device overcomes the defects that the stress relief device in the prior art is single and the technical problem of combination of thermal aging and vibration aging is not considered; meanwhile, the movable vibration table can move into or out of the thermal aging furnace 14, and the workpiece 1 can be disassembled and assembled after moving out of the thermal aging furnace 14 along with the movable vibration table, so that the workpiece 1 is more flexibly disassembled and assembled.
The stress relief aging device of the embodiment mainly aims at performing aging treatment on a large box-type welding component.
Preferably, the traveling mechanism of the present embodiment includes a support plate 5 and a pulley link mechanism disposed at the bottom of the support plate 5. The pulley link mechanism comprises a connecting rod 7, bearing supports 8, a bearing 10 and a pulley 9 are arranged at two ends of the connecting rod 7, the bearing supports 8, the bearing 10 and the pulley 9 are sleeved on the bearing 10, the bearing supports 8, the bearing 10 and the pulley 9 are respectively arranged symmetrically and correspondingly at two ends of the connecting rod 7, and the pulley 9 has circumferential rotation freedom under the action of the bearing 10. The bearing support 8 is fixedly connected with the support plate 5 so as to fix the pulley link mechanism at the bottom of the support plate.
The contact surface of the bearing support 8 facing the support plate 5 is a plane, and the bearing support 8 is in contact with and fixedly connected with the support plate 5 through the contact surface, namely the plane, so that the connection between the pulley link mechanism and the support plate 5 is firmer and more stable.
The mobile vibration table of the present embodiment further includes a vibration plate 6 and a cushioning guide mechanism located between the support plate 5 and the vibration plate 6. The buffer guide mechanism comprises a spring 4, a guide rod 12 and a guide post 13, one end of the guide post 13 is fixedly connected with the supporting plate 5, one end of the guide rod 12 is fixedly connected with the vibrating plate 6, the guide post 13 is a hollow cylinder, the hollow part of the guide post 13 is a guide cavity of the guide post 13, the other end of the guide rod 12 extends into the guide cavity of the guide post 13 to limit the translational freedom degree of the guide rod 12 except the axial direction, and preferably, the inner diameter of the guide cavity of the guide post 13 is approximately equal to the outer diameter of the insertion part of the guide rod 12 to limit the translational freedom degree of the guide rod 12 except. Spring 4 overlaps the outside at guide arm 12, and the one end of spring 4 is connected with vibration board 6, and the other end is connected with the up end of guide pillar 13, and the connection of spring 4 and vibration board 6 or the up end of guide pillar 13 can adopt the welding.
The buffering guide mechanism further comprises a sleeve 11 sleeved outside the spring 4, and one end of the sleeve 11 is fixedly connected with the vibrating plate 6.
The vibration exciter 2 is arranged on the upper end face of the vibration plate 6, the vibration plate 6 comprises a workpiece fixing area and a vibration exciter mounting area, the workpiece fixing area is used for placing a workpiece 1 and fixing the workpiece 1, the vibration exciter 2 is arranged in the vibration exciter mounting area, and the vibration exciter 2 is mounted on the vibration plate 6 through bolts. So, then vibration exciter 2 and work piece 1 separate, and vibration exciter 2 no longer installs on work piece 1, and vibration exciter 2 installs the up end at vibration board 6, no longer sets up in the bottom of shaking table, and the shaking table passes through running gear immigration or shifts out thermal ageing oven 14, therefore the destressing ageing device of this application simple structure, take up space for a short time, and work piece 1 is rolled over and adorned in a flexible way.
When the vibration exciter 2 drives the vibration plate 6 and the workpiece 1 to move upwards, the spring 4 is stretched, and when the vibration exciter 2 drives the vibration plate 6 and the workpiece 1 to move downwards, the spring 4 is compressed, so that the workpiece 1 can vibrate up and down in a reciprocating manner under the action of the spring 4, and the effect of reducing the residual stress of the workpiece 1 by vibration aging is achieved;
the hand push rod 3 is arranged on the movable vibration table, and particularly, the hand push rod 3 is fixedly connected with the vibration plate 6, so that the vibration table is conveniently pushed manually, and the vibration table can flexibly move; the inlet and outlet of the thermal aging furnace 14 are also provided with two door panels 15, and a double door is formed at the inlet and outlet.
In addition to the fixed connection of the workpiece 1 on the mobile vibration table, the fixed connection in this embodiment can be generally made by welding.
Work piece 1 is placed on vibration board 6, and the accessible is fixed by simple stop device, if utilize the steel band to tie it on vibration board 6, other commonly used fixed modes all can be applied to in this application among the prior art.
The number of the pulley link mechanisms in the embodiment is one or more, and the pulley link mechanisms are uniformly arranged at the bottom of the supporting plate 5; the number of the buffer guide mechanisms in this embodiment is one or more, and is uniformly provided between the support plate 5 and the vibration plate 6.
The workpiece 1 of the present embodiment is a large box-shaped welded member.
The vibration table in the prior art is usually suspended, and a proper vibration table frame needs to be customized according to workpieces with different specifications and shapes, so that the universality is not high. In the embodiment, the workpiece 1 is fixed on the vibrating plate 6, the vibrating plate 6 is a flat plate, the workpieces 1 with different specifications and shapes can be fixed on the vibrating plate 6, the universality is high, and additional customization is not needed.
In other embodiments, the spring 4 may be sleeved outside the guide rod 12 and the guide post 13, and one end of the spring 4 is connected to the vibrating plate 6 and the other end is connected to the supporting plate 5.
In other embodiments, the mobile vibration table further includes a power device and a gear transmission device, the power device is fixed on the supporting plate 5, a driving gear in the gear transmission device drives a driven gear to rotate, the driven gear in the gear transmission device can be arranged on the connecting rod 7, the power device drives the connecting rod 7 to rotate through the gear transmission device, the connecting rod 7 can rotate relative to the bearing support 8, the pulley 9 is fixedly connected with the connecting rod 7, and the power device drives the connecting rod 7 to rotate through the gear transmission device so as to drive the pulley 9 to rotate, so as to realize the movement of the mobile vibration table.
In other embodiments, the push rod 3 may not be provided.
While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features mentioned in the various embodiments may be combined in any combination as long as there is no logical or structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. The utility model provides a destressing and aging device which characterized in that, includes thermal aging oven and portable shaking table, portable shaking table includes running gear, portable shaking table passes through running gear immigration or shift out thermal aging oven.
2. The stress relief device according to claim 1, wherein the traveling mechanism comprises a support plate and a pulley linkage mechanism arranged at the bottom of the support plate.
3. The stress relief device according to claim 2, wherein the pulley link mechanism comprises a connecting rod, two ends of the connecting rod are respectively provided with a bearing support, a bearing sleeved on the connecting rod and a pulley sleeved on the bearing, and the bearing support is fixedly connected with the supporting plate.
4. The stress relief device according to claim 3, wherein the bearing support is in contact with and fixedly connected with the support plate, and a contact surface of the bearing support facing the support plate is a plane.
5. The stress relief apparatus according to any one of claims 2 to 4, wherein the movable vibration table further comprises a vibration plate and a cushioning guide mechanism, the cushioning guide mechanism being located between the support plate and the vibration plate.
6. The stress relief device according to claim 5, wherein the cushioning guide mechanism comprises a spring, a guide rod and a guide post;
the end part of the guide post is fixedly connected with the supporting plate, one end of the guide rod is fixedly connected with the vibrating plate, the guide post is provided with a guide cavity for accommodating the other end part of the guide rod, the guide cavity is used for limiting the translational freedom degree of the guide rod except the axial direction, and the spring sleeve is sleeved outside the guide rod.
7. The stress relief device according to claim 6, wherein the buffering guide mechanism further comprises a sleeve, the sleeve is sleeved outside the spring, and one end of the sleeve is fixedly connected with the vibrating plate.
8. The stress relief device according to claim 6, wherein one end of the spring is connected to the vibrating plate, and the other end is connected to the upper end surface of the guide post.
9. The stress relief apparatus according to claim 5, wherein an exciter is provided at an upper end surface of the vibration plate, the vibration plate including an exciter mounting region and a workpiece fixing region for fixing the workpiece, the exciter being disposed in the exciter mounting region so as to be separated from the workpiece.
10. The stress-relief aging device according to any one of claims 1 to 4, wherein a hand push rod is arranged on the movable vibration table, the hand push rod is used for moving the movable vibration table, and a door plate is arranged at an inlet and an outlet of the thermal aging furnace; and/or
The movable type vibration table is provided with power equipment, the power equipment is used for moving the movable type vibration table, and door plates are arranged at the inlet and outlet of the thermal aging furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910468122.6A CN112011676A (en) | 2019-05-31 | 2019-05-31 | Stress relief device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910468122.6A CN112011676A (en) | 2019-05-31 | 2019-05-31 | Stress relief device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112011676A true CN112011676A (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910468122.6A Pending CN112011676A (en) | 2019-05-31 | 2019-05-31 | Stress relief device |
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| Country | Link |
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| CN (1) | CN112011676A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114507771A (en) * | 2022-04-18 | 2022-05-17 | 联钢精密科技(中国)有限公司 | Knurled bolt surface treatment device for preventing root stress concentration |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205273527U (en) * | 2016-01-02 | 2016-06-01 | 潘光贤 | Work piece transport vechicle |
| CN207452179U (en) * | 2017-10-18 | 2018-06-05 | 宁波市海曙兴达铝业有限公司 | A kind of automatic feeding for aging furnace |
| CN207468686U (en) * | 2017-11-13 | 2018-06-08 | 常州凯达重工科技有限公司 | A kind of destressing movable type heats furnace module |
-
2019
- 2019-05-31 CN CN201910468122.6A patent/CN112011676A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205273527U (en) * | 2016-01-02 | 2016-06-01 | 潘光贤 | Work piece transport vechicle |
| CN207452179U (en) * | 2017-10-18 | 2018-06-05 | 宁波市海曙兴达铝业有限公司 | A kind of automatic feeding for aging furnace |
| CN207468686U (en) * | 2017-11-13 | 2018-06-08 | 常州凯达重工科技有限公司 | A kind of destressing movable type heats furnace module |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114507771A (en) * | 2022-04-18 | 2022-05-17 | 联钢精密科技(中国)有限公司 | Knurled bolt surface treatment device for preventing root stress concentration |
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Application publication date: 20201201 |
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| RJ01 | Rejection of invention patent application after publication |