阅读说明：本技术 一种车门加强杆的折弯工装 (Bending tool for vehicle door reinforcing rod ) 是由 张�林 方三国 周胜 陈浙东 张晓阳 于 2021-07-23 设计创作，主要内容包括：本发明提供了一种车门加强杆的折弯工装,属于管件折弯装置技术领域,包括：机架；转动折弯机构,其可转动的与所述机架连接；第一驱动机构,其与所述机架连接,所述第一驱动机构与所述转动折弯机构联动连接并用于驱动所述转动折弯机构转动；第一夹紧机构,其与所述转动折弯机构连接；第二夹紧机构,其与所述机架固定连接。本发明的有益效果为：该折弯工装能够折弯车门加强杆,并且能够可靠的将车门加强杆折弯成V形。(The invention provides a bending tool for a vehicle door reinforcing rod, belongs to the technical field of pipe fitting bending devices, and comprises: a frame; the rotary bending mechanism is rotatably connected with the rack; the first driving mechanism is connected with the rack and is in linkage connection with the rotary bending mechanism and used for driving the rotary bending mechanism to rotate; the first clamping mechanism is connected with the rotary bending mechanism; and the second clamping mechanism is fixedly connected with the rack. The invention has the beneficial effects that: the bending tool can bend the vehicle door reinforcing rod and can reliably bend the vehicle door reinforcing rod into a V shape.)

1. The utility model provides a frock of bending of door stiffener which characterized in that includes:

a frame;

the rotary bending mechanism is rotatably connected with the rack;

the first driving mechanism is connected with the rack and is in linkage connection with the rotary bending mechanism and used for driving the rotary bending mechanism to rotate;

the first clamping mechanism is connected with the rotary bending mechanism;

and the second clamping mechanism is fixedly connected with the rack.

2. The bending tool for the vehicle door reinforcing rod as claimed in claim 1, wherein: the rotary bending mechanism comprises an installation shaft, a rotary seat and a bending rotary table, the installation shaft is connected with the rack, the rotary seat is connected with the installation shaft and can rotate around the installation shaft, and the bending rotary table is fixedly connected with the rotary seat.

3. The bending tool for the vehicle door reinforcing rod as claimed in claim 2, wherein: the first driving mechanism comprises a first driving executing element and a driving rack, the first driving executing element is fixedly connected with the rack, the driving rack is connected with the first driving executing element, the rotating seat is provided with an arc rack, and the arc rack is meshed with the driving rack so that the first driving executing element is connected with the rotating seat in a linkage mode.

4. The bending tool for the vehicle door reinforcing rod as claimed in claim 2, wherein: the first clamping mechanism comprises a first clamping executing element, a first sliding block and a first fixed block, the first clamping executing element is fixedly connected with the rotating seat, the first sliding block is movably connected with the rotating seat, the first executing element is connected with the first sliding block and can drive the first sliding block to move, and the first fixed block is connected with the bending turntable.

5. The bending tool for the vehicle door reinforcing rod as claimed in claim 4, wherein the bending tool comprises: the second clamping mechanism comprises a second clamping executing element, a second sliding block and a second fixed block, the second clamping executing element is fixedly connected with the rack, the second sliding block is movably connected with the rack, the second clamping executing element is connected with the second sliding block and can drive the second sliding block to move, and the second fixed block is fixedly connected with the rack.

6. The bending tool for the vehicle door reinforcing rod as claimed in claim 5, wherein the bending tool comprises: the second clamping mechanism further comprises a follow-up pressing plate, and the follow-up pressing plate is movably connected with the second sliding block.

7. The bending tool for the vehicle door reinforcing rod as claimed in claim 6, wherein: the second sliding block is provided with a reset cylinder, and the reset cylinder is connected with the follow-up pressing plate and can drive the follow-up pressing plate to move.

8. The bending tool for the vehicle door reinforcing rod as claimed in claim 2, wherein: the peripheral surface of the bending turntable is an arc-shaped surface.

9. The bending tool for the vehicle door reinforcing rod as claimed in claim 4, wherein the bending tool comprises: the rotating seat is provided with an extension plate, the first clamping execution element is fixedly connected with the extension plate, the first sliding block is movably connected with the extension plate, the rack is provided with a supporting block, and the extension plate is in abutting connection with the supporting block and can move on the supporting block.

10. The bending tool for the vehicle door reinforcing rod as claimed in claim 2, wherein: the rotating seat is provided with an end positioning block, the rack is provided with a pushing cylinder, and the pushing cylinder is used for pushing one end of a workpiece so that the other end of the workpiece is in abutting connection with the end positioning block.

Technical Field

The invention belongs to the technical field of pipe fitting bending devices, and relates to a bending tool for a vehicle door reinforcing rod.

Background

The door stiffener is a hollow aluminum alloy square tube structure, and the door stiffener can be formed only by bending.

At present, some devices capable of bending three-dimensionally exist, for example, a chinese patent with application number 201520543583.2 discloses a full-automatic three-dimensional bending mechanism, which includes a rack, the rack is connected with an inner support rod arranged along the rack longitudinal direction, the rack is provided with a bending clamping support frame driven by a bending clamping power mechanism to slide along the rack longitudinal direction, the bending clamping support frame is rotatably connected with a bending clamping inner support tube sleeved outside the inner support rod, the rear part of the bending clamping inner support tube is connected with a bending clamping mechanism capable of clamping a pipe fitting sleeved on the inner support rod, the bending clamping support frame is connected with a bending clamping servo drive mechanism for driving the bending clamping inner support tube to rotate, and the rack is provided with a pipe fitting bending mechanism positioned at the rear part of the inner support rod and bending the pipe fitting sleeved on the inner support rod.

Although the bending apparatus described above can bend a pipe material, the forming operation and structure thereof are not suitable for the bending shape of the door stiffener, and the workpiece cannot be bent into a V shape.

Disclosure of Invention

The invention aims to provide a bending tool for a vehicle door reinforcing rod, aiming at the problems in the prior art.

The purpose of the invention can be realized by the following technical scheme: the utility model provides a frock of bending of door stiffener, includes:

a frame;

the rotary bending mechanism is rotatably connected with the rack;

the first driving mechanism is connected with the rack and is in linkage connection with the rotary bending mechanism and used for driving the rotary bending mechanism to rotate;

the first clamping mechanism is connected with the rotary bending mechanism;

and the second clamping mechanism is fixedly connected with the rack.

Preferably, the rotary bending mechanism comprises an installation shaft, a rotary seat and a bending rotary table, the installation shaft is connected with the rack, the rotary seat is connected with the installation shaft and can rotate around the installation shaft, and the bending rotary table is fixedly connected with the rotary seat.

Preferably, the first driving mechanism includes a first driving executing element and a driving rack, the first driving executing element is fixedly connected to the frame, the driving rack is connected to the first driving executing element, the rotating base is provided with an arc rack, and the arc rack is engaged with the driving rack so as to enable the first driving executing element to be linked with the rotating base.

Preferably, the first clamping mechanism includes a first clamping executing element, a first sliding block and a first fixed block, the first clamping executing element is fixedly connected with the rotating seat, the first sliding block is movably connected with the rotating seat, the first executing element is connected with the first sliding block and can drive the first sliding block to move, and the first fixed block is connected with the bending turntable.

Preferably, the second clamping mechanism includes a second clamping executing element, a second sliding block and a second fixed block, the second clamping executing element is fixedly connected to the frame, the second sliding block is movably connected to the frame, the second clamping executing element is connected to the second sliding block and can drive the second sliding block to move, and the second fixed block is fixedly connected to the frame.

Preferably, the second clamping mechanism further comprises a follow-up pressing plate, and the follow-up pressing plate is movably connected with the second sliding block.

Preferably, the second sliding block is provided with a reset cylinder, and the reset cylinder is connected with the follow-up pressing plate and can drive the follow-up pressing plate to move.

Preferably, the circumferential surface of the bending turntable is an arc-shaped surface.

Preferably, the rotating seat has an extension plate, the first clamping actuator is fixedly connected to the extension plate, the first sliding block is movably connected to the extension plate, the frame is provided with a supporting block, and the extension plate is in abutting connection with the supporting block and can move on the supporting block.

Preferably, the rotating seat is provided with an end positioning block, the rack is provided with a pushing cylinder, and the pushing cylinder is used for pushing one end of the workpiece so that the other end of the workpiece is in abutting connection with the end positioning block.

Compared with the prior art, the invention has the beneficial effects that:

1. the bending tool can bend the vehicle door reinforcing rod and can reliably bend the vehicle door reinforcing rod into a V shape.

2. The bending turntable is similar to a disc structure and is provided with a circular arc-shaped peripheral surface, and the shape of the bending position of the workpiece can be influenced by the arc-shaped surface, so that the bending position of the workpiece is formed into a circular arc-shaped shape.

3. During bending, one part of the workpiece is connected with the first clamping mechanism, the other part of the workpiece is connected with the second clamping mechanism, and the workpiece is bent by the rotating bending mechanism through the first clamping mechanism, so that the bending forming of the workpiece is realized.

4. Can drive the work piece when the carousel of bending rotates and remove, can produce the friction if the second sliding block directly presses on the work piece to damage workpiece surface, and set up the follow-up clamp plate after, the second sliding block can drive the follow-up clamp plate and push down the work piece, and the follow-up clamp plate can follow the work piece and remove together when the work piece is bent, prevents to scotch the work piece.

5. The end positioning block and the pushing cylinder can play a role in positioning the workpiece, so that the workpiece is positioned at a set position before being bent, and the accuracy after being bent is improved.

Drawings

Fig. 1 is a schematic structural view of the bending tool of the present invention.

Fig. 2 is a top view of the bending tool of the present invention.

Fig. 3 is a schematic structural view of a second clamping mechanism of the present invention.

Fig. 4A is a schematic structural view of a workpiece before bending.

Fig. 4B is a schematic structural view of the workpiece after bending.

Fig. 5 is a schematic view of each mechanism of the bending tool.

In the figure, 100, a rack; 110. a support block; 120. a push cylinder; 200. rotating the bending mechanism; 210. installing a shaft; 220. a rotating seat; 221. an extension plate; 222. an end positioning block; 230. bending the turntable; 231. an arc-shaped surface; 240. a circular arc rack; 300. a first drive mechanism; 310. a first drive actuator; 320. a drive rack; 400. a first clamping mechanism; 410. a first clamping actuator; 420. a first slider; 430. a first fixed block; 500. a second clamping mechanism; 510. a second clamping actuator; 520. a second slider; 530. a second fixed block; 540. a follow-up pressure plate; 550. a reset cylinder; 600. and (5) a workpiece.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2, 3, 4A, 4B, and 5, a bending tool for a door stiffener includes: a frame 100; a rotary bending mechanism 200 rotatably connected to the frame 100; a first driving mechanism 300 connected to the frame 100, the first driving mechanism 300 being linked to the rotational bending mechanism 200 and configured to drive the rotational bending mechanism 200 to rotate; a first clamping mechanism 400 connected to the rotary bending mechanism 200; and a second clamping mechanism 500 fixedly connected with the frame 100.

This frock of bending can bend into the V-arrangement with work piece 600, wherein frame 100 is similar to the platform structure, be provided with the rack of placing work piece 600 on frame 100, the bottom of work piece 600 can be supported to the rack, work piece 600 is put on the rack and then is cliied by first clamping mechanism 400 and second clamping mechanism 500, it can rotate on the platform of frame 100 to rotate bending mechanism 200 to rotate bending mechanism 200 can be driven to first actuating mechanism 300, first clamping mechanism 400 is connected with rotation bending mechanism 200, so it can press from both sides work piece 600 and then rotates bending mechanism 200 together, second clamping mechanism 500 is then fixed, can fix a part of work piece 600 on frame 100.

In terms of operation, when bending, a part of the workpiece 600 is connected to the first clamping mechanism 400, another part of the workpiece 600 is connected to the second clamping mechanism 500, and the rotary bending mechanism 200 bends the workpiece 600 by the first clamping mechanism 400, thereby realizing bending of the workpiece 600.

It should be noted that, as the rotary bending mechanism 200 rotates, the workpiece 600 is bent into a V-shape, so the bending tool can bend the door stiffener and reliably bend the door stiffener into a V-shape.

As shown in fig. 1 and 2, in addition to the above embodiment, the rotary bending mechanism 200 includes an installation shaft 210, a rotary base 220, and a bending turntable 230, the installation shaft 210 is connected to the frame 100, the rotary base 220 is connected to the installation shaft 210 and is rotatable around the installation shaft 210, and the bending turntable 230 is fixedly connected to the rotary base 220.

Preferably, the rotating base 220 is similar to the rotating base plate, the bending rotary table 230 is connected to the rotating base 220 and both of them can rotate on the frame 100 around the mounting shaft 210, and when bending, one part of the workpiece 600 is fixed and the other part rotates with the bending rotary table 230, so as to be bent by the bending rotary table 230.

As shown in fig. 1, on the basis of the above embodiment, the peripheral surface of the bending turntable 230 is provided with an arc-shaped surface 231, the bending turntable 230 is similar to a disc structure and has a circular arc-shaped peripheral surface, and the arc-shaped surface 231 can influence the shape of the bending position of the workpiece 600, so that the bending position of the workpiece 600 forms a circular arc-shaped shape.

Here, in the bending, the first clamp mechanism 400 clamps the workpiece 600 and fixes the workpiece to the rotary base 220, and the bending turntable 230 contacts the side surface of the workpiece 600, so that the workpiece 600 can be bent and an arc-shaped bent portion can be formed as the bending turntable 230 rotates.

As shown in fig. 1 and 2, in addition to the above embodiment, the first driving mechanism 300 includes a first driving actuator 310 and a driving rack 320, the first driving actuator 310 is fixedly connected to the frame 100, the driving rack 320 is connected to the first driving actuator 310, the rotary base 220 is provided with an arc rack 240, and the arc rack 240 is engaged with the driving rack 320 to couple the first driving actuator 310 and the rotary base 220 in an interlocking manner.

It should be noted that the first driving actuator 310 may be configured as an air cylinder, an oil cylinder, an electric cylinder, a linear motor, or other linear driving elements, and in a practical structure, the first driving actuator 310 is configured as an oil cylinder, so that the piston rod of the first driving actuator 310 is connected to the driving rack 320, thereby pulling the driving rack 320 to move.

The arc rack 240 is disposed at the outer edge of the rotary base 220, and in a practical structure, the arc rack 240 may be a gear, and the driving rack 320 is engaged with the arc rack, so that the first driving actuator 310 (oil cylinder) can drive the rotary base 220 to rotate.

As shown in fig. 1 and fig. 2, based on the above embodiment, the first clamping mechanism 400 includes a first clamping actuator 410, a first sliding block 420, and a first fixed block 430, the first clamping actuator 410 is fixedly connected to the rotating base 220, the first sliding block 420 is movably connected to the rotating base 220, the first actuator is connected to the first sliding block 420 and can drive the first sliding block 420 to move, and the first fixed block 430 is connected to the bending turntable 230.

Preferably, the first clamping actuator 410 may be configured as an air cylinder, an oil cylinder, an electric cylinder, a linear motor, or other linear driving elements, and in a practical structure, the first clamping actuator 410 is configured as an air cylinder or an oil cylinder, the first sliding block 420 is connected with a guide rail on the rotating base 220, the first fixed block 430 is connected with an edge of the bending turntable 230, and the first sliding block 420 faces the first fixed block 430 so as to cooperate with the first fixed block 430 to clamp the workpiece 600.

It should be noted that the workpiece 600 is placed on the placing frame, and the first sliding block 420 and the first fixed block 430 are respectively located at two sides of the placing frame, so that the first sliding block 420 and the first fixed block 430 are located at two sides of the workpiece 600 and clamp the workpiece 600 by the movement of the first sliding block 420.

The first sliding block 420 can move along the guide rail on the rotating base 220 toward the first fixing block 430 and press the workpiece 600, and during clamping, the first clamping actuator 410 (air cylinder or oil cylinder) drives the first sliding block 420 to move toward the first fixing block 430, so as to clamp the workpiece 600 through the first sliding block 420 and the first fixing block 430, and since the entire first clamping mechanism 400 is actually disposed on the rotating base 220, the first clamping mechanism 400 can clamp the workpiece 600 and thus bend the bending turntable 230.

As shown in fig. 1, 2 and 3, in addition to the above embodiments, the second clamping mechanism 500 includes a second clamping actuator 510, a second sliding block 520 and a second fixed block 530, the second clamping actuator 510 is fixedly connected to the frame 100, the second sliding block 520 is movably connected to the frame 100, the second clamping actuator 510 is connected to the second sliding block 520 and can move the second sliding block 520, and the second fixed block 530 is fixedly connected to the frame 100.

Preferably, the second clamping actuator 510 may be configured as an air cylinder, a hydraulic cylinder, an electric cylinder, a linear motor, or other linear driving elements, and in a practical structure, the second clamping actuator 510 is configured as an air cylinder or a hydraulic cylinder, and the second sliding block 520 is connected to a guide rail on the platform of the rack 100.

The second fixed block 530 is fixedly connected with the frame 100, and the second sliding block 520 is opposite to the second fixed block 530 so as to be matched with the second fixed block 530 to clamp the workpiece 600; the workpiece 600 is placed on the placing frame, and the second sliding block 520 and the second fixed block 530 are respectively located at both sides of the placing frame, so that the second sliding block 520 and the second fixed block 530 are located at both sides of the workpiece 600 and clamp the workpiece 600 by the movement of the second sliding block 520.

It should be noted that the second fixing block 530 is not only used for cooperating with the second sliding block 520 to clamp the workpiece 600, but also the second fixing block 530 can prevent the workpiece 600 from wrinkling during bending, and since the second fixing block 530 is attached to the workpiece 600, the inner wall of the workpiece 600 can be prevented from wrinkling during bending.

The workpiece 600 is located between the second sliding block 520 and the second fixed block 530, and the second sliding block 520 can move towards the second fixed block 530 along the guide rail on the rotating base 220, and during clamping, the second clamping actuator 510 (air cylinder or oil cylinder) drives the second sliding block 520 to move towards the second fixed block 530, so as to clamp the workpiece 600.

From the bending principle, the first fixing block 430 and the first sliding block 420 clamp the workpiece 600, so that a part of the workpiece 600 can be driven by the bending turntable 230, and the second fixing block 530 and the second sliding block 520 can also clamp the workpiece 600, so that a part of the workpiece 600 is clamped on the rack 100, and at this time, the workpiece 600 can be bent into a V-shaped structure along with the rotation of the bending turntable 230.

In addition, a movable core rod may be disposed on the machine frame 100, the core rod is located between the second fixed block 530 and the second sliding block 520, and penetrates into the workpiece 600 to support the inside of the workpiece 600, the core rod includes a rigid rod body and a flexible rod body, the flexible rod body is connected with the rigid rod body, and the flexible rod body is located in the bending portion of the workpiece 600.

As shown in fig. 1 and fig. 2, in addition to the above embodiments, the second clamping mechanism 500 further includes a follower pressing plate 540, and the follower pressing plate 540 is movably connected to the second sliding block 520.

Preferably, the second sliding block 520 can move towards the direction close to the second fixed block 530, and the follower pressing plate 540 is connected to the second sliding block 520, so that the second sliding block 520 can drive the follower pressing plate 540 to press the workpiece 600, so that the workpiece 600 cannot move left and right, the follower pressing plate 540 can move towards the direction of movement of the workpiece 600 on the basis of the second sliding block 520, and the workpiece 600 can move along its own axial direction on the basis of the follower pressing plate 540 pressing the workpiece 600.

In a practical structure, if the second sliding block 520 moves back and forth, the follower pressing plate 540 can move left and right on the second sliding block 520, i.e. the moving direction of the follower pressing plate 540 is perpendicular to the moving direction of the second sliding block 520.

When actually bending, can drive work piece 600 and remove when the carousel 230 that bends rotates, if the second sliding block 520 directly presses on work piece 600 and can produce the friction to damage work piece 600 surface, and set up follow-up clamp plate 540 back, second sliding block 520 can drive follow-up clamp plate 540 and push down work piece 600, and follow-up clamp plate 540 can follow work piece 600 and remove together when work piece 600 bends, prevents to scotch work piece 600.

As shown in fig. 1 and fig. 2, in addition to the above embodiments, the second slider 520 is provided with a reset cylinder 550, and the reset cylinder 550 is connected to the follower pressing plate 540 and can drive the follower pressing plate 540 to move.

Reset cylinder 550 is connected with follow-up clamp plate 540, can pull its after follow-up clamp plate 540 removes and reset, and particularly, after work piece 600 after buckling gets a piece, because follow-up clamp plate 540 has followed work piece 600 and has moved certain distance, for the convenience of bending next time, reset cylinder 550 drives follow-up clamp plate 540 and resets.

As shown in fig. 1 and 2, based on the above embodiment, the rotating seat 220 has an extension plate 221, the first clamping actuator 410 is fixedly connected to the extension plate 221, the first sliding block 420 is movably connected to the extension plate 221, the frame 100 is provided with a supporting block 110, and the extension plate 221 is in interference connection with the supporting block 110 and can move on the supporting block 110.

Preferably, the bending turntable 230 is disposed on the rotating base 220, and the first sliding block 420 is connected to the extending plate 221, so that the first sliding block 420 and the first fixing block 430 are reasonably distributed, and the first sliding block 420 and the first fixing block 430 are respectively located at two sides of the workpiece 600, thereby facilitating the first clamping mechanism 400 to clamp two sides of the workpiece 600.

As shown in fig. 1, 2 and 3, on the basis of the above embodiment, the rotating seat 220 is provided with an end positioning block 222, the frame 100 is provided with a pusher cylinder 120, and the pusher cylinder 120 is used for pushing one end of the workpiece 600 so as to enable the other end of the workpiece 600 to be in interference connection with the end positioning block 222.

The end positioning block 222 and the pushing cylinder 120 can play a role in positioning the workpiece 600, so that the workpiece 600 is located at a set position before being bent, and the precision after being bent is improved; the pusher cylinder 120 pushes one end of the workpiece 600 to move toward the end positioning block 222, and causes the other end of the workpiece 600 to abut against and connect with the end positioning block 222 (the other end of the workpiece 600 is punched with a positioning notch in advance), so that the workpiece 600 is positioned.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

Moreover, descriptions of the present invention as relating to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.