CN112872693A

CN112872693A - Accurate welding positioner

Info

Publication number: CN112872693A
Application number: CN201911203883.5A
Authority: CN
Inventors: 刘键
Original assignee: Zhuzhou Zhenxiang Industry Co ltd
Current assignee: Zhuzhou Zhenxiang Industry Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2021-06-01

Abstract

The invention provides an accurate welding positioner, wherein a U-shaped connecting frame is accommodated in a U-shaped supporting frame, and each rotating connecting column is inserted in the U-shaped supporting frame and is rotatably connected with the U-shaped supporting frame. The rotating motor is in driving connection with the clamping piece through the speed reducer, and the clamping piece is contained in the U-shaped connecting frame. The threaded rod passes through the connecting block and is fixedly connected with the connecting block. Each end of the threaded rod is inserted into an arc-shaped slideway and is connected with the U-shaped support frame in a sliding manner. Each end of the threaded rod is sleeved with a rotating nut. The driving screw rod is inserted in the threaded hole and is in driving connection with the driving block. Each sliding block is inserted in a sliding track and is connected with the sliding track in a sliding way. The driving motor and the bearing seat are arranged between the two sliding rails and connected with the bearing bottom plate. The driving motor is in driving connection with the driving screw rod. One end of the driving screw rod, which is far away from the driving motor, is inserted in the rotating bearing and is rotationally connected with the rotating bearing. The rotating motor and the driving motor are both electrically connected with the control mechanism.

Description

Accurate welding positioner

Technical Field

The invention relates to the field of electromagnetic wire manufacturing, in particular to an accurate welding positioner.

Background

The accurate welding positioner is used for dragging a workpiece to be welded to enable a welding seam to be welded to move to an ideal position for welding operation. In China, the accurate welding positioner is also an indispensable device in the manufacturing industry, and is classified as an auxiliary welding machine in the field of welding. In recent years, the product has great development in the engineering machinery industry of China and is widely applied. As for the type series and the variety specification, about more than ten series and more than one hundred variety specifications are coming out to form a small industry. In the eyes of people, the accurate welding positioner can be considered to be a light product. The precise welding positioner is a product with multiple varieties, low technical level, and complete small, medium and large development.

However, in our country, the precision type welding positioner is a young product. Due to the difference of development levels among manufacturing industries, welding stations of a plurality of enterprises are not provided with accurate welding positioner; meanwhile, the related research is weak. To date, no special work has been done to investigate its definition and classification. The traditional accurate welding positioner is complex in structure and high in cost.

Disclosure of Invention

Based on this, it is necessary to provide an accurate positioner to the technical problem that traditional accurate positioner structure is complicated.

The utility model provides an accurate formula positioner, this accurate formula positioner includes: the device comprises a U-shaped support frame, a U-shaped connecting frame, a rotating mechanism, a clamping piece, a driving mechanism and a control mechanism;

the U-shaped connecting frame is accommodated in the U-shaped supporting frame, two sides of the U-shaped connecting frame are provided with rotating connecting columns, and each rotating connecting column is inserted into the U-shaped supporting frame and is rotatably connected with the U-shaped supporting frame; the bottom of the U-shaped support frame is provided with a driving block, the driving block is provided with a threaded hole, and sliding blocks are arranged on two sides of the U-shaped support frame on the driving block;

the rotating mechanism comprises a rotating motor, a speed reducer and a threaded rod; the rotating motor is in driving connection with the clamping piece through the speed reducer, the speed reducer is connected with the U-shaped connecting frame, and the clamping piece is accommodated in the U-shaped connecting frame; one side, close to the speed reducer, of the U-shaped connecting frame is provided with a connecting block, and the threaded rod penetrates through the connecting block and is fixedly connected with the connecting block; arc-shaped slideways are formed in two sides of the U-shaped supporting frame and are matched with the threaded rods, and each end of each threaded rod is inserted into one arc-shaped slideway and is connected with the U-shaped supporting frame in a sliding mode; each end of the threaded rod is sleeved with a rotary nut;

the driving mechanism comprises a driving motor, a driving screw rod, a bearing base plate, a rotating bearing and a bearing seat; the driving screw rod is inserted into the threaded hole and is in driving connection with the driving block; sliding rails are arranged on two sides of the bearing bottom plate, and each sliding block is inserted into one sliding rail and is connected with the sliding rail in a sliding mode; the driving motor and the bearing seat are arranged between the two sliding rails and are connected with the bearing bottom plate; the driving motor is in driving connection with the driving screw rod; the rotating bearing is connected with the bearing bottom plate through the bearing seat, and one end, far away from the driving motor, of the driving screw rod is inserted into the rotating bearing and is in rotating connection with the rotating bearing;

the rotating motor and the driving motor are electrically connected with the control mechanism.

In one embodiment, each end of the threaded rod is sleeved with a protective washer.

In one embodiment, the protective pad is a steel sheet.

In one embodiment, the protective gasket is a rubber gasket.

In one embodiment, both ends of the threaded rod are provided with handles.

In one embodiment, the handle is provided with an anti-slip rubber sleeve.

In one embodiment, the antiskid rubber sleeve is provided with antiskid bulges.

In one embodiment, two ends of the bearing bottom plate are provided with anti-collision plates, and the two anti-collision plates are arranged between the driving motor and the bearing seat.

In one embodiment, the side of the two anti-collision plates close to each other is provided with a buffer layer.

In one embodiment, the buffer layer is a soft rubber pad.

Above-mentioned accurate formula positioner is in the course of the work, utilizes lead screw principle driving motor to pass through drive lead screw drive U type support frame and remove to specific position along two slip tracks, and the holder is used for the centre gripping fixed work piece of waiting to weld, and the rotation motor passes through speed reducer drive holder and rotates to the drive is waited to weld the work piece and is rotated. The threaded rod is manually driven to move in the arc-shaped slide way, the U-shaped connecting frame is driven to rotate relative to the U-shaped supporting frame, the angle of the clamping piece is changed, the position to be welded of the workpiece to be welded is adjusted to a proper position, and therefore the welding device is suitable for complex welding environments. The accurate welding positioner is exquisite in structure and low in cost.

Drawings

FIG. 1 is a schematic structural diagram of an exemplary precision weld positioner;

FIG. 2 is a schematic structural view of another view angle of the precision type welding positioner in the embodiment of FIG. 1;

FIG. 3 is a schematic view of a portion of an embodiment of the precision weld positioner.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the 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 "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; 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 the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1 to 3 together, the present invention provides an accurate welding positioner 10, where the accurate welding positioner 10 includes: the device comprises a U-shaped support frame 100, a U-shaped connecting frame 200, a rotating mechanism 300, a clamping piece 400, a driving mechanism 500 and a control mechanism 600. The U-shaped connecting frame 200 is accommodated in the U-shaped supporting frame 100, the two sides of the U-shaped connecting frame 200 are provided with rotating connecting columns 210, and each rotating connecting column 210 is inserted into the U-shaped supporting frame 100 and is rotatably connected with the U-shaped supporting frame 100. The bottom of the U-shaped support frame 100 is provided with a driving block 110, a threaded hole 102 is formed in the driving block 110, and sliding blocks 120 are arranged on two sides of the driving block 110 of the U-shaped support frame 100.

The rotating mechanism 300 includes a rotating motor 310, a reducer 320, and a threaded rod 330. The rotating motor 310 is in driving connection with the clamping member 400 through the speed reducer 320, the speed reducer 320 is connected with the U-shaped connecting frame 200, and the clamping member 400 is accommodated in the U-shaped connecting frame 200. In this embodiment, speed reducer 320 is worm gear speed reducer, and worm gear speed reducer has reverse self-locking function, can realize effectual braking to avoid accurate formula positioner 10 to take place to rock at the in-process holder 400 of work, increase accurate formula positioner 10's job stabilization nature. One side of the U-shaped connecting frame 200, which is close to the speed reducer 320, is provided with a connecting block 210, and a threaded rod 330 passes through the connecting block 210 and is fixedly connected with the connecting block 210. Arc-shaped slideways 101 are formed in two sides of the U-shaped supporting frame 100, the arc-shaped slideways 101 are matched with the threaded rod 330, and each end of the threaded rod 330 is inserted into one arc-shaped slideway 101 and is in sliding connection with the U-shaped supporting frame 100. A swivel nut 331 is sleeved on each end of the threaded rod 330. The rotating nut 331 is used for fixing the relative position relationship between the threaded rod 330 and the U-shaped supporting frame 100, so as to fix the relative position relationship between the U-shaped supporting frame 100 and the U-shaped connecting frame 200, and thus fix the position of the clamping member 400 relative to the U-shaped supporting frame 100. The clamping member 400 is used for clamping and fixing the workpiece to be welded, and in one embodiment, the clamping member is a clamping cylinder. In this embodiment, the holder 400 is a chuck. Further, the clamping piece is a four-jaw chuck, and the four-jaw chuck has no self-centering function. But can clamp various rectangular and irregular workpieces to be welded by adjusting the positions of the four claws.

The driving mechanism 500 includes a driving motor 510, a driving screw 520, a receiving base plate 530, a rotary bearing 540, and a bearing housing 550. The driving screw 520 is inserted into the threaded hole 102 and is drivingly connected with the driving block 110. The receiving base 530 is provided with sliding rails 531 on both sides, and each sliding block 120 is inserted in one of the sliding rails 531 and slidably connected to the sliding rail 531. The driving motor 510 and the bearing housing 550 are each disposed between the two sliding rails 531 and connected to the receiving base plate 530. The driving motor 510 is in driving connection with the driving screw 520. The rotation bearing 540 is connected to the receiving base plate 530 through a bearing housing 550, and one end of the driving screw 520, which is far from the driving motor 510, is inserted into the rotation bearing 540 and is rotatably connected to the rotation bearing 540.

The rotation motor 310 and the driving motor 510 are electrically connected to the control mechanism 600. The control mechanism 600 is used to coordinate the operation of the rotary motor 310 and the drive motor 510. In the present embodiment, the control mechanism 600 is a lower computer. Specifically, the control mechanism is a PLC, and in another embodiment, the control mechanism is a single chip microcomputer. In another embodiment, the control mechanism includes an upper computer and a lower computer, the upper computer being electrically connected to the lower computer.

In the working process of the precise welding positioner 10, the driving motor based on the screw rod principle drives the U-shaped support frame to move to a specific position along the two sliding rails by driving the screw rod, the clamping piece 400 is used for clamping and fixing the workpiece to be welded, and the rotating motor 310 drives the clamping piece 400 to rotate through the speed reducer 320, so that the workpiece to be welded is driven to rotate. The threaded rod 330 is manually driven to move in the arc-shaped slide way 101, so that the U-shaped connecting frame 200 is driven to rotate relative to the U-shaped supporting frame 100, the angle of the clamping piece 400 is changed, and the position to be welded of the workpiece to be welded is adjusted to a proper position, so that the device is suitable for complex welding environments. The precise welding positioner 10 is exquisite in structure and low in cost.

To enhance the protection of the U-shaped supporting frame 100 and prevent the rotating nut 331 from damaging the U-shaped supporting frame 100, referring to fig. 3, in one embodiment, a protective washer 332 is sleeved on each end of the threaded rod 330. The protection washer 332 prevents the rotating nut 331 from directly contacting the U-shaped support frame 100, and prevents the rotating nut 331 from damaging the U-shaped support frame 100 during the process of fixing the angle of the U-shaped connecting frame 200. In this embodiment, the protection pad 332 is a rubber pad, and the rubber pad has certain elasticity and toughness and good wear resistance, so as to further enhance the protection of the U-shaped support frame 100. In another embodiment, the protective pad is a steel sheet. In this manner, the protective pad 332 enhances the protection of the U-shaped support bracket 100.

To facilitate adjustment of the angle of the workpiece to be welded, and referring to fig. 1-3, in one embodiment, handles 333 are provided at both ends of the threaded rod 330. So as to apply force to the handle 333, drive the threaded rod 330 to move in the arc-shaped slideway 101, drive the U-shaped connecting frame 200 to rotate relative to the U-shaped supporting frame 100, change the angle of the clamping piece 400, and adjust the part to be welded of the workpiece to be welded to a proper position, thereby adapting to complex welding environment. Further, the handle 333 is provided with an anti-slip rubber sleeve which protects the hand from being frayed by the threaded rod 330 on the one hand and increases the friction between the hand and the threaded rod 330 on the other hand. Further, the anti-slip rubber sleeve is provided with an anti-slip protrusion to further increase the friction force between the hand and the threaded rod 330. As such, handles 333 are provided at both ends of the threaded rod 330 to facilitate a user in adjusting the angle of the work piece to be welded.

In order to prevent the driving block 110 from colliding against the bearing housing 550 or the driving motor 510, in one embodiment, the receiving bottom plate 530 is provided at both ends thereof with the collision preventing plates 532, and the two collision preventing plates 532 are disposed between the driving motor 510 and the bearing housing 550. One of the collision prevention plates 532 is disposed adjacent to the bearing housing 550, and the other collision prevention plate 532 is disposed adjacent to the driving motor 510. In this embodiment, the two impact-proof plates 532 have a buffer layer on their sides close to each other, and in one embodiment, the buffer layer is a soft rubber pad having certain elasticity and toughness and good wear resistance, so that when the impact-proof plates 532 contact with the driving block 110, the impact between the impact-proof plates 532 and the driving block 110 can be effectively buffered. In another embodiment, the cushioning layer is a foam pad. Thus, the collision prevention plates 532 provided at both ends of the receiving base plate 530 prevent the driving block 110 from colliding against the bearing housing 550 or the driving motor 510.

To avoid the clamping member 400 from clamping the workpiece to be welded, referring to fig. 3, in one embodiment, the clamping member 400 is a three-jaw chuck. A protective layer 410 is provided over the clamping jaws of the three-jaw chuck. In one embodiment, the protective layer 410 is a soft rubber pad, which has certain elasticity and toughness and good wear resistance, and increases the clamping degree of the three-jaw chuck to the workpiece to be welded while preventing the clamping jaws on the three-jaw chuck from directly contacting the large workpiece to be welded and preventing the clamping jaws on the three-jaw chuck from damaging the workpiece to be welded. Furthermore, the soft rubber pad is provided with anti-slip lines, and the anti-slip lines arranged on the soft rubber pad further increase the friction force between the clamping jaws on the three-jaw chuck and the workpiece to be welded, so that the clamping degree of the three-jaw chuck to the workpiece to be welded is further increased. In another embodiment, the protective layer is a sponge pad, and a wear-resistant rubber pad is arranged on the sponge pad. Therefore, the protective layer 410 arranged on the clamping jaws on the three-jaw chuck prevents the three-jaw chuck from clamping the workpiece to be welded, and the working stability of the three-jaw chuck is improved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides an accurate formula positioner, its characterized in that includes: the device comprises a U-shaped support frame, a U-shaped connecting frame, a rotating mechanism, a clamping piece, a driving mechanism and a control mechanism;

2. The precision weld positioner of claim 1, wherein each end of the threaded rod is sleeved with a protective spacer.

3. The precision weld positioner of claim 2, wherein the protective shim is a steel sheet.

4. The precision weld positioner of claim 2, wherein the protective gasket is a rubber gasket.

5. The precision welding positioner of claim 1, wherein handles are provided at both ends of the threaded rod.

6. The precision welding positioner according to claim 4, wherein an anti-slip rubber sleeve is arranged on the handle.

7. The precision welding positioner according to claim 6, wherein anti-skid protrusions are arranged on the anti-skid rubber sleeves.

8. The precision welding positioner according to claim 7, wherein two ends of the receiving bottom plate are provided with anti-collision plates, and the two anti-collision plates are arranged between the driving motor and the bearing seat.

9. The precision welding positioner according to claim 8, wherein a buffer layer is arranged on the surface of each of the two anti-collision plates, which is close to each other.

10. The precision weld positioner of claim 9, wherein the buffer layer is a soft rubber pad.