Sleeve stretching forming device for automobile chassis

By designing a casing stretching forming device for automotive chassis, using technical means of internal and external clamping and wall thickness control, the uneven clamping and wall thickness of sleeves in the prior art are solved. In the process of stretching, the uneven clamping of sleeves and wall thickness are difficult to control during stretching. The problem of this achieves higher yield and molding accuracy.

CN222511227UActive Publication Date: 2025-02-21NANJING EASY-WIN AUTO PARTS CO LTD
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Patent Information

Application Number
CN202421265022.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-04
Publication Date
2025-02-21
Estimated Expiration
2034-06-04

AI Technical Summary

Technical Problem

The existing sleeve stretching and forming devices are unevenly clamped during processing, resulting in the sleeve being easily deformed during the stretching process, and it is difficult to effectively control the wall thickness of the sleeve, affecting the yield rate.

Method used

A stretching forming device for automobile chassis is designed, using a combined structure of a load-bearing plate, mounting block, fixed drive device, limiting plate, clamping plate, movable groove and support rod to provide the sleeve during the stretching process. Clamping inside and outside is carried out to ensure uniform stress, and the wall thickness of the sleeve is controlled by the cooperation of the fixed driving device and the clamping plate.

Benefits of technology

Through the design of this device, it is possible to effectively prevent the deformation of the sleeve during the stretching process, ensure the uniformity of the sleeve wall thickness, improve the yield and the accuracy and efficiency of the stretching forming.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of automobile casing pipes, in particular to a casing pipe stretching forming device for an automobile chassis, which comprises a stretching assembly and a fixing assembly, a machine table is arranged at the bottom of the stretching assembly, a main driving device is fixedly connected to the top of the machine table, and the main driving device is located in front of the stretching assembly. The top of the machine table is fixedly connected with a sliding rail, the top of the machine table is provided with a post-processing assembly, the post-processing assembly is located behind the stretching assembly, and the fixing assembly is arranged at the top of the machine table and located behind the post-processing assembly; according to the casing pipe stretching forming device for the automobile chassis, the bearing plate, the mounting block, the fixed driving device, the limiting plate, the clamping plate, the first movable groove, the driving rod, the second movable groove and the supporting rod are arranged, during stretching, a casing pipe is clamped inside and outside, the wall thickness is controlled, the casing pipe is fixed on the circumferential face, and therefore the casing pipe can be stretched and formed. The stress is uniform, and the stretching effect is improved.
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Description

Technical Field

[0001] The utility model relates to the field of automobile casings, in particular to a casing stretching and forming device for automobile chassis. Background Art

[0002] Casing stretch forming is a specific forming process, which is mainly based on the plasticity and ductility of the material. During the stretching process, the material is subjected to external force. By controlling the stretching speed, temperature and stretching ratio and other parameters, the material is deformed in the length direction to achieve the required shape and size. It has the advantages of high forming accuracy, high production efficiency and stable product quality. In addition, by optimizing the stretching process parameters, the performance and quality of the product can be further improved.

[0003] The existing sleeve stretching forming device often only clamps the sleeve in a single direction during processing. The sleeve is prone to deformation due to uneven force during stretching, and the wall thickness of the sleeve cannot be well controlled, affecting the yield rate. There is a lack of corresponding structure here, which needs to be improved and optimized. Utility Model Content

[0004] The utility model aims to provide a casing stretching and forming device for automobile chassis to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: A sleeve stretching and forming device for automobile chassis comprises a stretching component and a fixing component, a machine table is arranged at the bottom of the stretching component, a main driving device is fixedly connected to the top of the machine table, and the main driving device is located in front of the stretching component, a slide rail is fixedly connected to the top of the machine table, a post-processing component is arranged on the top of the machine table, and the post-processing component is located behind the stretching component, and the fixing component is arranged on the top of the machine table, and the fixing component is located behind the post-processing component.

[0006] Preferably, there are two slide rails, which are symmetrically arranged on the top of the machine.

[0007] Preferably, the stretching assembly includes a mounting base, a supporting foot, a slide groove, a secondary driving device, a mounting plate, a stretching plate, an extrusion plate, an extrusion hole, a slot, a sleeve column, an extrusion block, a picking slot and a slot block, the mounting base is fixedly connected to the front side wall of the output end of the main driving device, the bottom front end of the mounting base is fixedly connected to the supporting foot, the supporting foot is provided with a slot inside, and the slide rail is slidably connected to the slot, the top of the mounting base is provided with a secondary driving device, the output end of the secondary driving device is fixedly connected to the mounting plate, the mounting plate is provided with a slot inside, the slot is slidably connected with a block, the inner side of the block is fixedly connected with the stretching plate, the top of the stretching plate is provided with a picking slot, the rear side wall of the stretching plate is fixedly connected with a sleeve column, the rear end of the sleeve column is fixedly connected with the extrusion block, the top rear end of the mounting base is fixedly connected with the extrusion plate, and the extrusion hole is provided inside the extrusion plate.

[0008] Preferably, the number of the supporting feet and the sliding grooves are both four, and two are symmetrically arranged in a group on the left and right ends of the bottom of the mounting base plate; the number of the card slots and the card blocks are both two, and are symmetrically arranged on the left and right sides of the stretching plate; the shape of the extrusion block is a frustum, and the internal shape of the extrusion hole is consistent with the extrusion block.

[0009] Preferably, the post-processing component includes a cutting column, a top plate, a cutting drive device, a cutting plate, a cutting blade, a waste trough, a heating column, a fixed plate, an upper heating plate, a fixed block and a lower heating plate, the cutting column is fixedly connected to the top of the machine, the top of the cutting column is fixedly connected to the top plate, the bottom of the top plate is fixedly connected to the cutting drive device, the output end of the cutting drive device is fixedly connected to the cutting plate, and the cutting plate is slidably connected to the cutting column, the bottom of the cutting plate is fixedly connected to the cutting blade, the top of the machine is fixedly connected to the waste trough, and the waste trough is located below the cutting blade, the heating column is fixedly connected to the top of the machine, and the heating column is located behind the waste trough, the top of the heating column is fixedly connected to the fixed plate, the bottom of the fixed plate is fixedly connected to the upper heating plate, the top of the machine is fixedly connected to the fixed block, and the fixed block is located below the upper heating plate, and the top of the fixed block is fixedly connected to the lower heating plate.

[0010] Preferably, the number of the cutting columns and the heating columns are both two, and they are symmetrically arranged on the top of the machine, and the upper heating plate and the lower heating plate are symmetrically arranged and used in coordination.

[0011] Preferably, the fixed assembly includes a carrying plate, a mounting block, a fixed driving device, a limit plate, a clamping plate, a first movable groove, a driving rod, a second movable groove and a support rod, the carrying plate is fixedly connected to the top of the machine, the top of the carrying plate is fixedly connected to the mounting block, the front side wall of the mounting block is fixedly connected to the fixed driving device, the limiting plate is fixedly connected to the circumferential surface of the fixed driving device, the internal rotation connection of the limiting plate is the clamping plate, the middle part of the clamping plate is provided with a first movable groove, the internal rotation connection of the first movable groove is the driving rod, the second movable groove is provided on the circumferential surface of the output end of the fixed driving device, and the end of the driving rod away from the clamping plate is rotatably connected in the second movable groove, and the front end of the output end of the fixed driving device is fixedly connected to the support rod.

[0012] Preferably, the number of the limiting plate, the clamping plate, the first movable groove, the driving rod and the second movable groove is four, and they are arranged in a circular array on the circumferential surface of the fixed driving device, and the four clamping plates are symmetrically arranged and used in conjunction with each other.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model proposes a sleeve stretching and forming device for automobile chassis. The sleeve is mainly clamped inside and outside to control the wall thickness during stretching through the arrangement of a bearing plate, a mounting block, a fixed driving device, a limit plate, a clamping plate, a first movable groove, a driving rod, a second movable groove and a supporting rod. The sleeve is fixed on a circumferential surface to make the force uniform and improve the stretching effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of a sleeve stretching and forming device for automobile chassis;

[0016] Figure 2 It is a structural cross-sectional view of a sleeve stretching and forming device for automobile chassis;

[0017] Figure 3 It is a schematic diagram of the structure of a stretching component of a sleeve stretching forming device for automobile chassis;

[0018] Figure 4 A schematic diagram of the structure of a mounting plate of a casing stretching and forming device for an automobile chassis;

[0019] Figure 5 It is a schematic diagram of the stretching plate structure of a casing stretching forming device for automobile chassis;

[0020] Figure 6 The present invention is a schematic diagram of the structure of a fixing component of a sleeve stretching and forming device for an automobile chassis.

[0021] In the figure: 1 machine, 2 main drive device, 3 slide rail, 4 stretching assembly, 401 mounting base plate, 402 support foot, 403 slide groove, 404 secondary drive device, 405 mounting plate, 406 stretching plate, 407 extrusion plate, 408 extrusion hole, 409 card slot, 410 sleeve column, 411 extrusion block, 412 take-up slot, 413 card block, 5 post-processing assembly, 501 cutting column, 502 top plate, 503 cutting drive device, 504 cutting plate, 505 cutting blade, 506 waste slot, 507 heating column, 508 fixed plate, 509 upper heating plate, 510 fixed block, 511 lower heating plate, 6 fixed assembly, 601 bearing plate, 602 mounting block, 603 fixed drive device,

[0022] 604 limit plate, 605 clamping plate, 606 first movable groove, 607 driving rod, 608 second movable groove,

[0023] 609 support rod. DETAILED DESCRIPTION

[0024] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-Figure 6 The present invention provides the following preferred embodiments:

[0026] Embodiment 1

[0027] A sleeve stretching and forming device for automobile chassis includes a stretching component 4 and a fixing component 6. A machine table 1 is arranged at the bottom of the stretching component 4. The machine table 1 serves as a supporting platform for the entire device to ensure that each component works stably. A main driving device 2 is fixedly connected to the top of the machine table 1, and the main driving device 2 is located in front of the stretching component 4. The main driving device 2 provides a main power source for the stretching component 4 to drive it to perform a stretching operation. A slide rail 3 is fixedly connected to the top of the machine table 1. There are two slide rails 3, which are symmetrically arranged on the top of the machine table 1 to guide the movement of the stretching component 4 to ensure the linearity and stability of the stretching. A post-processing component 5 is arranged on the top of the machine table 1, and the post-processing component 5 is located behind the stretching component 4. The fixing component 6 is arranged on the top of the machine table 1, and the fixing component 6 is located behind the post-processing component 5.

[0028] Embodiment 2

[0029] On the basis of the first embodiment, the stretching component 4 includes a mounting base 401, a supporting foot 402, a slide groove 403, a secondary drive device 404, a mounting plate 405, a stretching plate 406, an extrusion plate 407, an extrusion hole 408, a slot 409, a sleeve column 410, an extrusion block 411, a taking groove 412 and a block 413. The mounting base 401 is fixedly connected to the front side wall of the output end of the main drive device 2, and the bottom front end of the mounting base 401 is fixedly connected with the supporting foot 402, the interior of the supporting foot 402 is provided with a slide groove 403, and the slide rail 3 is slidably connected with the slide groove 403. The number of the supporting foot 402 and the slide groove 403 is four, and two are symmetrically arranged at the left and right ends of the bottom of the mounting base 401 in a group. The top of the mounting base 401 is provided with a secondary drive device 404 to provide a power source for the stretching plate 406 to realize the fixing operation of one end of the sleeve. The output end of the secondary drive device 404 is fixedly connected A mounting plate 405 is connected, a card slot 409 is provided inside the mounting plate 405, a card block 413 is slidably connected inside the card slot 409, two card slots 409 and two card blocks 413 are provided, and are symmetrically arranged on the left and right sides of the stretching plate 406, the inner side of the card block 413 is fixedly connected to the stretching plate 406, and the sleeve column 410 is driven by the movement of the stretching plate 406 to stretch the sleeve, and a taking groove 412 is provided on the top of the stretching plate 406 to facilitate the replacement of the sleeve blank, the rear side wall of the stretching plate 406 is fixedly connected to the sleeve column 410, and the rear end of the sleeve column 410 is fixedly connected to the extrusion block 411, and the top rear end of the mounting base plate 401 is fixedly connected to the extrusion plate 407, and the extrusion plate 407 is provided with an extrusion hole 408 inside. The shape of the extrusion block 411 is a truncated cone, and the internal shape of the extrusion hole 408 is consistent with the extrusion block 411, which is used to extrude the sleeve during the stretching process to ensure its shape stability and fixation.

[0030] Embodiment 3

[0031] On the basis of the first embodiment, the post-processing component 5 includes a cutting column 501, a top plate 502, a cutting drive device 503, a cutting plate 504, a cutting blade 505, a waste trough 506, a heating column 507, a fixing plate 508, an upper heating plate 509, a fixing block 510 and a lower heating plate 511. The cutting column 501 is fixedly connected to the top of the machine 1, the top of the cutting column 501 is fixedly connected to the top plate 502, the bottom of the top plate 502 is fixedly connected to the cutting drive device 503, the output end of the cutting drive device 503 is fixedly connected to the cutting plate 504, and the cutting plate 504 is slidably connected to the cutting column 501, the bottom of the cutting plate 504 is fixedly connected to the cutting blade 505, which is used to cut the sleeve after the stretching is completed to obtain the required length, and the top of the machine 1 is fixedly connected to the waste trough 50 6, and the waste trough 506 is located below the cutting blade 505, for collecting waste generated during the cutting process, the heating column 507 is fixedly connected to the top of the machine 1, and the heating column 507 is located behind the waste trough 506, the number of the cutting column 501 and the heating column 507 are both provided with two, and are symmetrically arranged on the top of the machine 1, the top of the heating column 507 is fixedly connected with a fixing plate 508, the bottom of the fixing plate 508 is fixedly connected with an upper heating plate 509, the top of the machine 1 is fixedly connected with a fixing block 510, and the fixing block 510 is located below the upper heating plate 509, the top of the fixing block 510 is fixedly connected with a lower heating plate 511, the upper heating plate 509 and the lower heating plate 511 are symmetrically arranged and used in combination for heating the sleeve to improve its performance and facilitate the stretching operation.

[0032] Embodiment 4

[0033] On the basis of the first embodiment, the fixing assembly 6 comprises a bearing plate 601, a mounting block 602, a fixed driving device 603, a limiting plate 604, a clamping plate 605, a first movable groove 606, a driving rod 607, a second movable groove 608 and a supporting rod 609. The bearing plate 601 is fixedly connected to the top of the machine table 1. The top of the bearing plate 601 is fixedly connected to the mounting block 602. The front side wall of the mounting block 602 is fixedly connected to the fixed driving device 603. The output end of the fixed driving device 603 extends or contracts to control the driving clamping plate 605 to open and close, thereby fixing or releasing the sleeve. The limiting plate 604 is fixedly connected to the circumferential surface of the fixed driving device 603. The internal rotation of the limiting plate 604 is connected to the clamping plate 605 for clamping the sleeve to ensure the position of the sleeve during the stretching process. Stable, a first movable groove 606 is provided in the middle of the clamping plate 605, and a driving rod 607 is rotatably connected inside the first movable groove 606. A second movable groove 608 is provided on the circumferential surface of the output end of the fixed driving device 603, and the end of the driving rod 607 away from the clamping plate 605 is rotatably connected in the second movable groove 608. There are four limit plates 604, clamping plates 605, first movable grooves 606, driving rods 607 and second movable grooves 608, which are arranged in a circular array on the circumferential surface of the fixed driving device 603. A support rod 609 is fixedly connected to the front end of the output end of the fixed driving device 603 to support the sleeve and cooperate with the clamping plate 605 to clamp the sleeve inside and outside to control the wall thickness of the sleeve. The four clamping plates 605 are symmetrically arranged and used in conjunction with each other.

[0034] In actual use, the secondary drive device 404 is used to squeeze the sleeve blank on the sleeve column 410 into the extrusion hole 408 through the extrusion block 411, so as to fix one end of the sleeve blank. The main drive device 2 controls the stretching component 4 to move linearly on the slide rail 3, and the other end of the sleeve blank is connected to the support rod 609. At the same time, the clamping plate 605 is driven by the fixed drive device 603 to shrink and fix one end of the sleeve blank. The upper heating plate 509 and the lower heating plate 511 heat the sleeve to improve its performance. The stretching component 4 slides in the opposite direction on the slide rail 3 to realize the stretching forming of the sleeve. After the stretching is completed, the cutting blade 505 is driven by the cutting drive device 503 to accurately cut the sleeve. During the whole process, the components work together to ensure the accuracy and efficiency of the sleeve stretching forming.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sleeve stretching and forming device for automobile chassis, characterized in that: The invention comprises a stretching component (4) and a fixing component (6), wherein a machine table (1) is arranged at the bottom of the stretching component (4), a main driving device (2) is fixedly connected to the top of the machine table (1), and the main driving device (2) is located in front of the stretching component (4), a slide rail (3) is fixedly connected to the top of the machine table (1), a post-processing component (5) is arranged at the top of the machine table (1), and the post-processing component (5) is located behind the stretching component (4), and the fixing component (6) is arranged at the top of the machine table (1), and the fixing component (6) is located behind the post-processing component (5).

2. The stretching and forming device for a casing for an automobile chassis according to claim 1, characterized in that: The number of the slide rails (3) is two, and they are symmetrically arranged on the top of the machine platform (1).

3. The sleeve stretching and forming device for automobile chassis according to claim 1, characterized in that: The stretching assembly (4) comprises a mounting base plate (401), a supporting foot (402), a slide groove (403), a secondary drive device (404), a mounting plate (405), a stretching plate (406), an extrusion plate (407), an extrusion hole (408), a clamping groove (409), a sleeve column (410), an extrusion block (411), a taking groove (412) and a clamping block (413); the mounting base plate (401) is fixedly connected to the front side wall of the output end of the main drive device (2); the bottom front end of the mounting base plate (401) is fixedly connected to the supporting foot (402); the interior of the supporting foot (402) is provided with a slide groove (403); the slide rail (3) is slidably connected to the slide groove (403); the top of the mounting base plate (401) is provided with A secondary drive device (404), wherein the output end of the secondary drive device (404) is fixedly connected to a mounting plate (405), a card slot (409) is provided inside the mounting plate (405), a card block (413) is slidably connected inside the card slot (409), a stretching plate (406) is fixedly connected to the inner side of the card block (413), a taking groove (412) is provided on the top of the stretching plate (406), a sleeve column (410) is fixedly connected to the rear side wall of the stretching plate (406), a rear end of the sleeve column (410) is fixedly connected to an extrusion block (411), and an extrusion plate (407) is fixedly connected to the rear end of the top of the mounting base plate (401), and an extrusion hole (408) is provided inside the extrusion plate (407).

4. The sleeve stretching and forming device for automobile chassis according to claim 3, characterized in that: The number of the supporting feet (402) and the sliding groove (403) is four, and two are set in a group and symmetrically arranged at the left and right ends of the bottom of the installation base plate (401). The number of the card slot (409) and the card block (413) is two, and they are symmetrically arranged at the left and right sides of the stretching plate (406). The shape of the extrusion block (411) is a frustum, and the internal shape of the extrusion hole (408) is consistent with the extrusion block (411).

5. The stretching and forming device for a casing for an automobile chassis according to claim 1, characterized in that: The post-processing component (5) comprises a cutting column (501), a top plate (502), a cutting drive device (503), a cutting plate (504), a cutting blade (505), a waste trough (506), a heating column (507), a fixing plate (508), an upper heating plate (509), a fixing block (510) and a lower heating plate (511), wherein the cutting column (501) is fixedly connected to the top of the machine platform (1), the top of the cutting column (501) is fixedly connected to the top plate (502), the bottom of the top plate (502) is fixedly connected to the cutting drive device (503), the output end of the cutting drive device (503) is fixedly connected to the cutting plate (504), and the cutting plate (504) is slidably connected to the cutting column (501), and the cutting The bottom of the removal plate (504) is fixedly connected to a cutting blade (505); the top of the machine (1) is fixedly connected to a waste trough (506), and the waste trough (506) is located below the cutting blade (505); the heating column (507) is fixedly connected to the top of the machine (1), and the heating column (507) is located behind the waste trough (506); the top of the heating column (507) is fixedly connected to a fixed plate (508), the bottom of the fixed plate (508) is fixedly connected to an upper heating plate (509); the top of the machine (1) is fixedly connected to a fixed block (510), and the fixed block (510) is located below the upper heating plate (509); the top of the fixed block (510) is fixedly connected to a lower heating plate (511).

6. The stretching and forming device for a casing for an automobile chassis according to claim 5, characterized in that: The number of the cutting column (501) and the heating column (507) is two, and they are symmetrically arranged on the top of the machine (1); the upper heating plate (509) and the lower heating plate (511) are symmetrically arranged and used in combination.

7. The stretching and forming device for automobile chassis according to claim 1, characterized in that: The fixing assembly (6) comprises a bearing plate (601), a mounting block (602), a fixed driving device (603), a limiting plate (604), a clamping plate (605), a first movable groove (606), a driving rod (607), a second movable groove (608) and a supporting rod (609); the bearing plate (601) is fixedly connected to the top of the machine platform (1); the top of the bearing plate (601) is fixedly connected to the mounting block (602); the front side wall of the mounting block (602) is fixedly connected to the fixed driving device (603); the circumferential surface of the fixed driving device (603) is fixedly connected to the fixing device (603); A limit plate (604) is connected, the limit plate (604) is internally rotatably connected to a clamping plate (605), a first movable groove (606) is provided in the middle of the clamping plate (605), a driving rod (607) is internally rotatably connected to the first movable groove (606), a second movable groove (608) is provided on the circumferential surface of the output end of the fixed driving device (603), and one end of the driving rod (607) away from the clamping plate (605) is rotatably connected in the second movable groove (608), and a support rod (609) is fixedly connected to the front end of the output end of the fixed driving device (603).

8. The stretching and forming device for automobile chassis according to claim 7, characterized in that: The number of the limiting plate (604), the clamping plate (605), the first movable groove (606), the driving rod (607) and the second movable groove (608) is four, and they are arranged in a circular array on the circumferential surface of the fixed driving device (603). The four clamping plates (605) are symmetrically arranged and used in conjunction with each other.