CN210412052U - Stretch bending forming process equipment for machining luggage rack - Google Patents
Stretch bending forming process equipment for machining luggage rack Download PDFInfo
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- CN210412052U CN210412052U CN201921245092.4U CN201921245092U CN210412052U CN 210412052 U CN210412052 U CN 210412052U CN 201921245092 U CN201921245092 U CN 201921245092U CN 210412052 U CN210412052 U CN 210412052U
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- bending forming
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Abstract
The utility model discloses a luggage rack processing is with stretch bending forming process equipment: the bending device comprises a fixed chuck and a pipe to be bent, wherein the end part of the pipe to be bent is clamped and arranged in a clamping opening of the fixed chuck; a telescopic letter is arranged in the clamping opening of the fixed clamping head, the telescopic letter is arranged in a telescopic manner along the length direction of the bent pipe to be pulled, and the telescopic letter is matched with the inner diameter of the bent pipe to be pulled; the end part of the pipe to be bent is clamped in the clamping opening of the fixed clamping head, and the telescopic letter extends into the pipe to be bent along the end part of the pipe to be bent. The utility model discloses a flexible letter stretches into the inside of treating the stretch bending pipe, when the stretch bending machine drives to treat that the stretch bending pipe removes, the inner chamber department of the bend of treating the stretch bending pipe is through the transmission effect of the bending force of flexible letter for treat that stretch bending pipe bend local stress reduces, thereby avoid treating that the stretch bending pipe takes place to buckle and scrap, make the luggage rack stretch bending disability rate reduce.
Description
Technical Field
The utility model relates to a luggage rack makes the field, especially relates to a luggage rack processing is with stretch bending forming process equipment.
Background
In the process of processing and manufacturing the automobile luggage rack, a straight steel pipe or an aluminum pipe needs to be bent into a bent shape; generally, two ends of a pipe to be bent are clamped through a bending machine, and the pipe to be bent is bent and formed on a forming tool through rotating the bending machine. Due to the influence of the material and strength of the to-be-drawn bent pipe, when the end of the to-be-drawn bent pipe is clamped by the existing bending machine to be bent in a rotating manner, the to-be-drawn bent pipe is easily broken or bent at the clamping position of the bending machine, rather than being in a normal arc-shaped bent shape. Therefore, the pipe to be bent is scrapped, so that the bending production scrappage rate of the luggage rack is high, and the production cost is increased.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects existing in the prior art, the utility model provides a stretch bending forming process equipment for processing a luggage rack can solve the problems.
The technical scheme is as follows: in order to achieve the above object, the utility model discloses a stretch bending forming process equipment is used in luggage rack processing: the bending device comprises a fixed chuck and a pipe to be bent, wherein the end part of the pipe to be bent is clamped and arranged in a clamping opening of the fixed chuck; a telescopic letter is arranged in the clamping opening of the fixed clamping head, the telescopic letter is arranged in a telescopic manner along the length direction of the bent pipe to be pulled, and the telescopic letter is matched with the inner diameter of the bent pipe to be pulled; the end part of the pipe to be bent is clamped in the clamping opening of the fixed clamping head, and the telescopic letter extends into the pipe to be bent along the end part of the pipe to be bent; stretch into the inside of treating the stretch-bending pipe like this through flexible letter, when the stretch-bending machine drives and treats that the stretch-bending pipe removes, the inner chamber department of the bend of treating the stretch-bending pipe is through the transmission of the bending force of flexible letter for treat that the local stress of stretch-bending pipe bend reduces, thereby avoid treating that the stretch-bending pipe takes place to buckle and scrap, make the luggage rack stretch-bending disability rate reduce.
Furthermore, the top end of the telescopic letter is provided with a guide part, and the thickness of the guide part is reduced towards the extrusion side end of the pipe to be bent in an arc shape; the extrusion side end of the telescopic letter is provided with a plurality of strip-shaped grooves along the length direction, and the strip-shaped grooves penetrate through the upper end surface and the lower end surface of the telescopic letter; the strip-shaped groove is arranged in a triangular shape, so that when the telescopic letter is stressed and bent, the strip-shaped groove at the extrusion side end of the telescopic letter can be deformed and closed, the telescopic letter has certain elastic force, and the telescopic letter can be restored to the original shape.
Furthermore, the bending device further comprises a clamping table, wherein a stretch bending forming tool is fixedly arranged on the clamping table, a plurality of fixing cylinders are arranged on the bending end face side of the stretch bending forming tool, the fixing cylinders are uniformly arranged along the length direction of the stretch bending forming tool, and telescopic columns of the fixing cylinders are perpendicular to the bending end face of the stretch bending forming tool and are horizontally arranged; the top of the telescopic column is fixedly provided with an extrusion plate; extruding the pipe to be stretch-bent on the bent end face of the stretch-bending forming tool through the telescopic column; the pipe to be bent is extruded and fixed by the fixing cylinder, so that the pipe to be bent is more stable to fix, and the pipe to be bent is conveniently detached from the stretch bending forming tool.
Furthermore, a limiting clamping groove is formed in the bent end face of the stretch bending forming tool, and the length direction of the limiting clamping groove is the same as that of the stretch bending forming tool; the width of the limiting clamping groove is matched with that of a pipe to be bent, and the pipe to be bent is clamped in the limiting clamping groove; the limit clamping groove limits the pipe to be stretch-bent, so that the phenomenon that the bending effect of the pipe to be stretch-bent is influenced due to the fact that the bent pipe to be stretched moves on the bending end face of the stretch-bending forming tool when the bent pipe to be stretched is stretched and bent is avoided.
Furthermore, a positioning detector is arranged on the side of the bending end face of the stretch bending forming tool, the positioning detector is horizontally arranged on the clamping table, the positioning detector is arranged in the middle of the stretch bending forming tool, and the detection end of the positioning detector is horizontally opposite to the stretch bending forming tool; the positioning detector detects the positioning of the pipe to be bent in the horizontal direction, so that the bending part of the pipe to be bent is accurate.
Has the advantages that: the utility model discloses a luggage rack processing is with stretch bending shaping process equipment is provided with flexible letter through the mouth that presss from both sides at the fixed chuck of stretch bending machine, flexible letter stretches into the inside of treating the stretch bending pipe, when the stretch bending machine drives to treat that the stretch bending pipe removes, treat the transmission effect of the inner chamber department of the bend of stretch bending pipe through the bending force of flexible letter, make and treat that stretch bending pipe bend local stress reduces, thereby avoid treating that the stretch bending pipe takes place to buckle and scrap, make the luggage rack stretch bending disability rate reduce.
Drawings
Fig. 1 is a schematic view of the whole three-dimensional structure of the baggage rack stretch bending forming device of the present invention;
fig. 2 is a schematic top view of the baggage rack stretch bending forming device of the present invention;
fig. 3 is a schematic structural view of the stretch bending forming tool of the present invention;
FIG. 4 is a schematic structural view of the fixed chuck of the stretch bender of the present invention;
fig. 5 is a schematic structural view of the top end of the telescopic letter of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The stretch bending forming process equipment for processing the luggage rack shown in the attached figures 1-5 comprises the following steps: the bending device comprises a fixed chuck 1 and a pipe 2 to be bent, wherein the end part of the pipe 2 to be bent is clamped and arranged in a clamping opening 11 of the fixed chuck 1; the clamping opening 11 of the fixed chuck 1 is clamped and arranged through a telescopic clamping block. A telescopic letter 3 is arranged in a clamping opening 11 of the fixed clamping head 1, the telescopic letter 3 is arranged in a telescopic mode along the length direction of the pipe 2 to be bent, and the telescopic letter 3 is matched with the inner diameter of the pipe 2 to be bent; the end part of the pipe 2 to be bent is clamped in the clamping opening 11 of the fixed clamping head 1, and the telescopic letter 3 extends into the pipe 2 to be bent along the end part of the pipe 2 to be bent. When the fixed chuck 1 of the stretch bender drives the pipe 2 to be stretch-bent to move, the inner cavity of the bending part of the pipe 2 to be stretch-bent reduces the local stress of the bending part of the pipe 2 to be stretch-bent through the conduction acting force of the telescopic letter 3, so that the bending and scrapping of the pipe 2 to be stretch-bent are avoided, and the stretch-bending scrapping rate of the luggage rack is reduced; meanwhile, the telescopic letter 3 is arranged on the inner side of the pipe to be bent 2, so that the inner side extrusion force of the pipe to be bent 2 at the bent part is uniform, the side end of the bent part of the pipe to be bent 2 is less in wrinkle, and the bending quality of the pipe to be bent 2 is improved.
The telescopic letter 3 is made of elastic materials and can be restored to the original shape within a certain elastic limit. The top end of the telescopic letter 3 is provided with a guide part 31, and the thickness of the guide part 31 is reduced towards the extrusion side end of the pipe 2 to be bent in an arc shape; the guiding part 31 is arranged to facilitate the telescopic letter 3 to extend into the pipe 2 to be bent; the extrusion side end of the telescopic letter 3 is provided with a plurality of strip-shaped grooves 32 along the length direction, and the strip-shaped grooves 32 penetrate through the upper end surface and the lower end surface of the telescopic letter 3; the strip-shaped groove 32 is arranged in a triangular shape. Therefore, when the telescopic letter 3 is bent under stress, the strip-shaped groove 32 at the extrusion side end of the telescopic letter 3 is deformed and closed, so that the telescopic letter 3 has certain elastic force, and the telescopic letter is favorable for recovering the original shape.
The bending device is characterized by further comprising a clamping table 4, wherein a stretch bending forming tool 5 is fixedly arranged on the clamping table 4, a plurality of fixing cylinders 6 are arranged on the bending end face side of the stretch bending forming tool 5, the fixing cylinders 6 are uniformly arranged along the length direction of the stretch bending forming tool 5, and telescopic columns 61 of the fixing cylinders 6 are perpendicular to the bending end face of the stretch bending forming tool 5 and are horizontally arranged; the top of the telescopic column 61 is fixedly provided with the extrusion plate 62, so that the stress action area of the pipe 2 to be bent is increased, the pipe 2 to be bent is favorably fixed, the stress of the pipe 2 to be bent is dispersed, and the pipe 2 to be bent is prevented from being damaged; will treat through flexible post 61 that stretch bending pipe 2 extrudees the terminal surface of buckling that sets up at stretch bending forming frock 5, treat stretch bending pipe 2 through the extrusion of fixed cylinder 6 simultaneously for treat that stretch bending pipe 2's is fixed more stable, and be convenient for will treat that stretch bending pipe 2 unloads from stretch bending forming frock 5.
A limiting clamping groove 51 is formed in the bent end face of the stretch bending forming tool 5, and the length direction of the limiting clamping groove is the same as that of the stretch bending forming tool 5; the width of the limiting clamping groove 51 is matched with the width of the pipe to be bent 2, and the pipe to be bent 2 is clamped in the limiting clamping groove 51. The limiting clamping groove 51 limits the to-be-bent pipe 2, and avoids the to-be-bent pipe 2 from moving on the bending end face of the stretch bending forming tool 5 to influence the stretch bending effect of the to-be-bent pipe 2 when the to-be-bent pipe 2 is subjected to stretch bending.
The bending end face side of the stretch bending forming tool 5 is provided with a positioning detector 7, the positioning detector 7 is a laser distance sensor, the positioning detector 7 is horizontally arranged on the clamping table 4, the positioning detector 7 is arranged in the middle of the stretch bending forming tool 5, the detection end of the positioning detector 7 is horizontally opposite to the stretch bending forming tool 5, a hole is drilled in the last process of the pipe 2 to be bent, a through hole opposite to the drilled hole is formed in the stretch bending forming tool 5, the detection end of the positioning detector 7 is used for treating the drilled hole and the through hole in the pipe 2 to be bent, whether the drilled hole of the pipe 2 to be bent is opposite to the through hole is judged according to the detection distance of the laser distance sensor, the horizontal position of the pipe 2 to be bent is detected, and finally the stretch bending position of the pipe 2 to be bent is accurate.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (5)
1. The utility model provides a luggage rack processing is with stretch bending shaping process equipment which characterized in that: the bending machine comprises a fixed chuck (1) and a bent pipe (2) to be pulled, wherein the end part of the bent pipe (2) to be pulled is clamped and arranged in a clamping opening (11) of the fixed chuck (1); a telescopic letter (3) is arranged in a clamping opening (11) of the fixed clamping head (1), the telescopic letter (3) is arranged in a telescopic mode along the length direction of the to-be-stretched bent pipe (2), and the telescopic letter (3) is matched with the inner diameter of the to-be-stretched bent pipe (2); the end part of the pipe (2) to be bent is clamped in the clamping opening (11) of the fixed clamping head (1), and the telescopic letter (3) extends into the pipe (2) to be bent along the end part of the pipe (2) to be bent.
2. The stretch bending forming process equipment for machining the luggage rack according to claim 1, wherein the stretch bending forming process equipment comprises the following steps: the top end of the telescopic letter (3) is provided with a guide part (31), and the thickness of the guide part (31) is reduced in an arc shape towards the extrusion side end of the pipe (2) to be bent; a plurality of strip-shaped grooves (32) are formed in the extrusion side end of the telescopic letter (3) along the length direction of the extrusion side end, and the strip-shaped grooves (32) penetrate through the upper end face and the lower end face of the telescopic letter (3); the strip-shaped groove (32) is arranged in a triangular shape.
3. The stretch bending forming process equipment for machining the luggage rack according to claim 1, wherein the stretch bending forming process equipment comprises the following steps: the bending device is characterized by further comprising a clamping table (4), wherein a stretch bending forming tool (5) is fixedly arranged on the clamping table (4), a plurality of fixing cylinders (6) are arranged on the side of a bending end face of the stretch bending forming tool (5), the fixing cylinders (6) are uniformly arranged along the length direction of the stretch bending forming tool (5), and telescopic columns (61) of the fixing cylinders (6) are perpendicular to the bending end face of the stretch bending forming tool (5) and are horizontally arranged; the top of the telescopic column (61) is fixedly provided with an extrusion plate (62); the bent pipe (2) to be drawn is extruded and arranged on the bending end face of the stretch bending forming tool (5) through the telescopic column (61).
4. The stretch bending forming process equipment for machining the luggage rack according to claim 3, wherein the stretch bending forming process equipment comprises the following steps: a limiting clamping groove (51) is formed in the bent end face of the stretch bending forming tool (5), and the length direction of the limiting clamping groove is the same as that of the stretch bending forming tool (5); spacing draw-in groove (51) width and the width of treating to draw return bend (2) cooperate the setting, treat to draw return bend (2) card to establish in spacing draw-in groove (51).
5. The stretch bending forming process equipment for machining the luggage rack according to claim 3, wherein the stretch bending forming process equipment comprises the following steps: the bending end face side of the stretch bending forming tool (5) is provided with a positioning detector (7), the positioning detector (7) is horizontally arranged on the clamping table (4), the positioning detector (7) is arranged in the middle of the stretch bending forming tool (5), and the detection end level of the positioning detector (7) is opposite to the stretch bending forming tool (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921245092.4U CN210412052U (en) | 2019-08-02 | 2019-08-02 | Stretch bending forming process equipment for machining luggage rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921245092.4U CN210412052U (en) | 2019-08-02 | 2019-08-02 | Stretch bending forming process equipment for machining luggage rack |
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| Publication Number | Publication Date |
|---|---|
| CN210412052U true CN210412052U (en) | 2020-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921245092.4U Active CN210412052U (en) | 2019-08-02 | 2019-08-02 | Stretch bending forming process equipment for machining luggage rack |
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| CN (1) | CN210412052U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113441582A (en) * | 2021-07-19 | 2021-09-28 | 李金蔚 | Three-dimensional electro-hydraulic servo luggage rack stretch bending equipment |
-
2019
- 2019-08-02 CN CN201921245092.4U patent/CN210412052U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113441582A (en) * | 2021-07-19 | 2021-09-28 | 李金蔚 | Three-dimensional electro-hydraulic servo luggage rack stretch bending equipment |
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