CN209850242U

CN209850242U - Synchronous rotating mechanism and rotating device

Info

Publication number: CN209850242U
Application number: CN201920158491.0U
Authority: CN
Inventors: 汪杨
Original assignee: Changsha Intelligent Robot Research Institute Co Ltd
Current assignee: Changsha Intelligent Robot Research Institute Co Ltd
Priority date: 2019-01-29
Filing date: 2019-01-29
Publication date: 2019-12-27
Anticipated expiration: 2029-01-29

Abstract

The utility model discloses a synchronous rotary mechanism and rotary device, synchronous rotary mechanism is used for the welding processing of a plurality of machined surfaces parallel with the rotation axis of a plurality of work pieces of location clamping a plurality of work pieces and drive the synchronous rotation of a plurality of work pieces, including the welding jig who is used for the location clamping work piece, a power device for providing power, a mounting panel for being used for evenly transmitting the power that power device provided to each welding jig's drive mechanism and being used for installing a plurality of welding jig and drive mechanism, drive mechanism's input is connected with power device's output transmission, a plurality of outputs of drive mechanism are connected with a plurality of welding jig transmissions respectively, in order to realize a plurality of welding jig's synchronous rotation. The utility model discloses a synchronous rotary mechanism, whole course of working need not to relapse the dismouting work piece, ensures that the clamping location of work piece is firm, carries out the welding process with one side machined surface behind the synchronous rotation of a plurality of work pieces, has improved machining efficiency and processing uniformity.

Description

Synchronous rotating mechanism and rotating device

Technical Field

The utility model relates to a welding jig technical field especially relates to a synchronous rotary mechanism, still relates to a rotary device in addition.

Background

In the welding process of the workpiece, when a plurality of processing surfaces of the workpiece need to be welded, the workpiece is clamped and fixed on the welding fixture, after one processing surface is processed, the welding fixture can not be directly turned over to weld another processing surface of the workpiece, the workpiece needs to be taken down from the welding fixture and clamped again, or another welding fixture is used to clamp and fix the workpiece on a processing machine tool, so that the welding process of the workpiece needs to be repeatedly disassembled and assembled, the clamping and positioning of the workpiece are inconsistent, the welding quality of the workpiece is affected, and the processing efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a synchronous rotary mechanism and rotary device to solve current work piece and need relapse the dismouting and cause clamping positioning error and the technical problem that machining efficiency is low carrying out the welding process of a plurality of machined surfaces.

The utility model provides a synchronous rotary mechanism for the welding processing of a plurality of machined surfaces parallel with the rotation axis of a plurality of work pieces of the synchronous rotation of a plurality of work pieces of location clamping and drive a plurality of work pieces, including the welding jig who is used for location clamping work piece, a power device for providing power, a mounting panel for being used for evenly transmitting the power that power device provided to each welding jig's drive mechanism and being used for installing a plurality of welding jig and drive mechanism, drive mechanism's input is connected with power device's output transmission, a plurality of outputs of drive mechanism are connected with a plurality of welding jig transmissions respectively, in order to realize a plurality of welding jig's synchronous rotation.

Furthermore, the welding fixture and the transmission mechanism are respectively installed on two sides of the installation plate, an installation mechanism for installing the welding fixture and the transmission mechanism is arranged on the installation plate, and the output end of the transmission mechanism is in transmission connection with the welding fixture through the installation mechanism so as to drive the welding fixture to rotate.

Further, installation mechanism is including locating the bearing on the mounting panel and with the installation axle that the bearing rotation is connected, welding jig installs on the output of installation axle, and drive mechanism's output is installed on the input of installation axle.

Further, the transmission mechanism comprises a driving synchronous wheel arranged on the output end of the power device, a driven synchronous wheel arranged on the input end of the installation shaft and a synchronous belt which is used for driving and connecting the driving synchronous wheel and the driven synchronous wheel.

Furthermore, the transmission mechanism further comprises a reversing wheel which is arranged on the mounting plate and positioned outside the synchronous belt and used for changing the arrangement position of the synchronous belt, so that the rolling of the synchronous belt is prevented from being interfered.

Further, the welding fixture comprises a clamping block for positioning and clamping the workpiece and a driving cylinder for driving the clamping block to move to the clamping position of the workpiece.

Further, install the rotary joint who is used for connecting the gas pipeline on the installation axle input, rotary joint includes the cylinder of being connected with the installation axle input and is used for connecting the inner tube of gas pipeline, and the installation axle is the hollow shaft in order to constitute the gas pipeline, and the output of gas pipeline passes through the connecting line and is connected with the air inlet that drives actuating cylinder.

Further, install on the mounting panel and be used for with the spacing fixing of inner tube in order to improve the fixing base of rotary joint and the steadiness of mounting shaft connection.

Further, power device installs on the mounting panel, and power device includes servo motor and speed reducer, and the input of speed reducer is connected with servo motor's output, and the output of speed reducer is connected with drive mechanism's input.

The utility model discloses a rotary device for the welding process is carried out to the machined side that fixes a position the clamping work piece and rotate the different machined surfaces of work piece to welding process of a plurality of machined surfaces of realization work piece, including above-mentioned synchronous rotary mechanism.

The utility model discloses following beneficial effect has:

the synchronous rotating mechanism of the utility model positions and clamps a plurality of workpieces on a plurality of welding clamps on the mounting plate respectively, welding the processing surfaces of the workpieces on the same side by welding equipment, after the processing surfaces on one side are processed, starting the power device, uniformly transmitting the power provided by the power device to each welding fixture through the transmission mechanism, so that all the welding clamps and the workpieces synchronously rotate until the processing surface at the other side of the workpiece is rotated to one side processed by the welding equipment and then stops rotating to perform welding processing on the processing surface at the other side, therefore, welding processing of all processing surfaces is completed, the workpieces do not need to be repeatedly disassembled and assembled in the whole processing process, clamping and positioning of the workpieces are guaranteed to be stable, welding processing of the processing surfaces on the same side is carried out after the workpieces synchronously rotate, and processing efficiency and processing consistency are improved.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

fig. 1 is a schematic structural view of a synchronous rotating mechanism according to a preferred embodiment of the present invention;

fig. 2 is a schematic structural view of a synchronous rotating mechanism according to a preferred embodiment of the present invention;

fig. 3 is a schematic structural diagram of a welding jig according to a preferred embodiment of the present invention.

Illustration of the drawings:

1. welding a clamp; 11. positioning the lower disc; 12. positioning the disc; 13. positioning the clamping mechanism; 131. positioning blocks; 132. a spring guide post; 14. positioning a pressing mechanism; 141. a rotating cylinder; 142. a guide piston rod; 143. briquetting; 15. a support pillar; 2. a power plant; 21. a servo motor; 22. a speed reducer; 3. a transmission mechanism; 31. a driving synchronizing wheel; 32. a driven synchronizing wheel; 33. a synchronous belt; 34. a reversing wheel; 4. mounting a plate; 5. a rotary joint; 6. a fixed seat.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered below.

Fig. 1 is a schematic structural view of a synchronous rotating mechanism according to a preferred embodiment of the present invention; fig. 2 is a schematic structural view of a synchronous rotating mechanism according to a preferred embodiment of the present invention; fig. 3 is a schematic structural diagram of a welding jig according to a preferred embodiment of the present invention.

As shown in fig. 1 and fig. 2, the synchronous rotating mechanism of the present embodiment is used for positioning and clamping a plurality of workpieces and driving the plurality of workpieces to synchronously rotate to realize welding processing of a plurality of processing surfaces of the plurality of workpieces, the processing surfaces being parallel to an axis of rotation, and the synchronous rotating mechanism includes a welding fixture 1 for positioning and clamping the workpieces, a power device 2 for providing power, a transmission mechanism 3 for uniformly transmitting the power provided by the power device 2 to each welding fixture 1, and a mounting plate 4 for mounting the plurality of welding fixtures 1 and the transmission mechanism 3, an input end of the transmission mechanism 3 is in transmission connection with an output end of the power device 2, and a plurality of output ends of the transmission mechanism 3 are in transmission connection with the plurality of welding fixtures 1, respectively, so as to realize synchronous rotation of the plurality of welding fixtures 1. The synchronous rotating mechanism of the utility model positions and clamps a plurality of workpieces on a plurality of welding clamps 1 on a mounting plate 4 respectively, welding the processing surfaces of the workpieces on the same side by welding equipment, starting the power device 2 after the processing surface on one side is processed, the power provided by the power device 2 is evenly transmitted to each welding fixture 1 through the transmission mechanism 3, so that all the welding fixtures 1 and the workpieces synchronously rotate until the processing surface at the other side of the workpiece is rotated to one side processed by the welding equipment and then stops rotating to perform welding processing on the processing surface at the other side, therefore, welding processing of all processing surfaces is completed, the workpieces do not need to be repeatedly disassembled and assembled in the whole processing process, clamping and positioning of the workpieces are guaranteed to be stable, welding processing of the processing surfaces on the same side is carried out after the workpieces synchronously rotate, and processing efficiency and processing consistency are improved.

As shown in fig. 1 and 2, the welding fixture 1 and the transmission mechanism 3 are respectively installed on two sides of the installation plate 4, an installation mechanism for installing the welding fixture 1 and the transmission mechanism 3 is arranged on the installation plate 4, and an output end of the transmission mechanism 3 is in transmission connection with the welding fixture 1 through the installation mechanism so as to drive the welding fixture 1 to rotate. The installation mechanism comprises a bearing arranged on the installation plate 4 and an installation shaft rotationally connected with the bearing, the welding fixture 1 is installed on the output end of the installation shaft, and the output end of the transmission mechanism 3 is installed on the input end of the installation shaft.

As shown in fig. 1, the transmission mechanism 3 includes a driving synchronizing wheel 31 mounted on the output end of the power unit 2, a driven synchronizing wheel 32 mounted on the input end of the mounting shaft, and a timing belt 33 drivingly connecting the driving synchronizing wheel 31 and the driven synchronizing wheel 32. The transmission mechanism 3 further comprises a reversing wheel 34 mounted on the mounting plate 4 and located outside the timing belt 33 for changing the layout position of the timing belt 33 so as to prevent the timing belt 33 from rolling in an interference manner. In the present embodiment, two welding jigs 1 are mounted on the mounting plate 4. The driving synchronizing wheel 31 drives the two driven synchronizing wheels 32 to synchronously rotate through the synchronous belt 33, so as to drive the two welding fixtures 1 and the two workpieces positioned and clamped on the two welding fixtures 1 to synchronously rotate. Alternatively, three welding jigs 1 are mounted on the mounting plate 4. The driving synchronizing wheel 31 drives the three driven synchronizing wheels 32 to synchronously rotate through the synchronous belt 33, so as to drive the three welding fixtures 1 and two workpieces positioned and clamped on the three welding fixtures 1 to synchronously rotate.

The welding fixture 1 comprises a clamping block for positioning and clamping a workpiece and a driving cylinder for driving the clamping block to move to a clamping position of the workpiece. In this embodiment, as shown in fig. 3, in this embodiment, the welding jig 1 is used for welding after clamping and positioning the container support, and includes a positioning lower disk 11 fixed on the output end of the mounting shaft, a positioning disk 12 provided above the positioning lower disk 11 and used for placing the container support, a positioning clamping mechanism 13 provided on the positioning disk 12 and used for extending into an inner hole of the container support to position and clamp the container support on the positioning disk 12, and a positioning pressing mechanism 14 provided on the positioning lower disk 11 and penetrating through the positioning disk 12 and used for positioning and pressing the container support to be fixed on the positioning disk 12. Place the container support on location disc 12, and stretch into the hole of container support with location fixture 13 on the disc 12 of will fixing a position in order to fix a position the centre gripping with the container support, rethread location hold-down mechanism 14 presses on the curb plate of container support, thereby it is fixed to further compress tightly the container support, and easy operation, and each structure of welding jig 1 can not cause the interference to the welding of other curb plates of container support, and in the whole welding process, the container support clamping is firm, it leads to the welding position inaccurate to have avoided the container support to take place the offset. The positioning and clamping mechanism 13 includes positioning blocks 131 arranged in the inner hole of the positioning disc 12 and used for extending into the container support, and the plurality of positioning blocks 131 respectively abut against a plurality of positions of the inner hole along the circumference of the inner hole to position and clamp the container support. The positioning disc 12 is provided with a guide hole along the radial direction of the inner hole, the positioning and clamping mechanism 13 comprises a spring guide post 132 of which the spring end passes through the guide hole and is connected with the positioning block 131, and the spring guide post 132 or the positioning block 131 is adjusted along the radial direction of the inner hole, so that the spring end is in a stretching state to pull the positioning block 131 to abut against the hole edge of the inner hole, thereby realizing the positioning and clamping of the container support. Optionally, the spring guide post 132 includes a fixed end clamped outside the positioning disc 12 and a spring end inserted into the guide hole for connecting the fixed end with the positioning block 131, and the positioning block 131 is pulled radially inward along the inner hole, so that the spring end is in a stretched state to pull the positioning block 131 against the hole edge of the inner hole. Optionally, the spring guide post 132 includes a guide post inserted into the guide hole, a spring end for connecting the guide post with the positioning block 131, and an adjusting nut located outside the positioning disk 12 and in threaded mating connection with the guide post. The adjusting nut is rotated radially inwards along the inner hole, so that the guide post moves radially outwards along the inner hole until the spring end is in a stretching state to pull the positioning block 131 to abut against the hole edge of the inner hole. Each positioning block 131 is mounted to the positioning disk 12 by two spring guide posts 132. In this embodiment, the inner hole that is used for the location clamping on the container support is the quad slit, and location fixture 13 supports respectively through four locating pieces 131 and leans on four sides in the quad slit to it is fixed with the container support centre gripping. Optionally, a guide groove is radially formed in the positioning disc 12, a plurality of positioning holes are radially arranged in the guide groove, and the positioning block 131 is fixed in different positioning holes through a connecting member to adjust the distance from the positioning block 131 to the center of the container support inner hole, so that the positioning block 131 abuts against the hole edge of the container support inner hole. The upper end surface of the positioning block 131 is inclined to guide the positioning block 131 to pass through the inner hole of the container support. The outer wall surface of the upper end of the positioning block 131 is inclined inward. During clamping, the hole edge of the inner hole of the container support is sleeved outside the positioning block 131 after moving along the inclined plane, so that the hole edge of the inner hole of the container support is prevented from being damaged during clamping. Optionally, the outer wall surface of the positioning block 131 is provided with an anti-slip layer to prevent the container support from slipping during the processing process and causing position deviation. The length dimension of the inner hole of the container support is greater than the width dimension, the positioning and pressing mechanism 14 comprises a rotary cylinder 141 arranged on the positioning lower disc 11, a guide piston rod 142 with a fixed end arranged on the rotary cylinder 141 and a pressing block 143 fixed on the movable end of the guide piston rod 142, the length dimension of the pressing block 143 is greater than the width dimension of the inner hole and less than the length dimension of the inner hole, the width dimension of the pressing block 143 is less than the width dimension of the inner hole, the length direction of the pressing block 143 corresponds to the length direction of the inner hole to enable the pressing block 143 to penetrate through the inner hole, the rotary cylinder 141 drives the pressing block 143 to rotate to enable the length direction of the pressing block 143 to correspond to the width direction of the inner hole, the pressing block 143 is driven to be pressed down on two. The lower end surface of the pressing block 143 pressed on the container support is matched with the surface shapes of two sides of the length direction of the inner hole of the container support. The hole edge of the length direction of the inner hole of the container support is turned upwards to be an inclined edge, and the pressing block 143 is provided with an inclined surface which is matched with the inclined edge and is used for being pressed on the inclined edge. Optionally, a groove and/or a projection matched with the shape of the lower end face of the pressing block 143 is arranged on the side plate used for positioning and clamping on the container support. The positioning lower disk 11 is provided with a supporting column 15 for connecting and supporting the positioning disk 12.

Install the rotary joint 5 that is used for connecting gas piping on the installation axle input, rotary joint 5 includes the cylinder of being connected with the installation axle input and is used for connecting gas piping's inner tube, and the installation axle is the hollow shaft in order to constitute gas piping, and gas piping's output passes through connecting line and is connected with the air inlet that drives actuating cylinder. When the power device 2 drives the welding fixture 1 to rotate through the transmission mechanism 3, the roller rotates along with the installation shaft, the inner pipe and the gas pipeline connected with the inner pipe cannot rotate, and therefore the gas pipeline is prevented from being bent and wound due to rotation.

The mounting plate 4 is provided with a fixed seat 6 for limiting and fixing the inner pipe so as to improve the stability of the rotary joint 5 connected with the mounting shaft. One end of the inner tube is fixed on the fixed seat 6.

The power device 2 is installed on the installation plate 4, the power device 2 comprises a servo motor 21 and a speed reducer 22, the input end of the speed reducer 22 is connected with the output end of the servo motor 21, and the output end of the speed reducer 22 is connected with the input end of the transmission mechanism 3. The mounting plate 4 is provided with a mounting groove for mounting the power device 2, and the power device 2 is provided with a fixing plate for mounting and fixing on the mounting plate 4.

The rotating device comprises a support frame arranged on a machine tool, a rotating mechanism used for positioning and clamping the workpiece and driving the workpiece to rotate so as to realize the welding processing of a plurality of processing surfaces of the workpiece, a rotating connecting mechanism used for installing the rotating mechanism on the support frame and a rotating driving mechanism of which the output end is connected with the input end of the rotating connecting mechanism, wherein the rotating driving mechanism is used for driving the rotating connecting mechanism to rotate so as to drive the rotating mechanism to rotate, so that the workpiece positioned and clamped on the rotating mechanism revolves around the rotating axis to realize the welding processing of a plurality of processing surfaces of the workpiece parallel to the rotating axis.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A synchronous rotating mechanism is used for positioning and clamping a plurality of workpieces and driving the workpieces to synchronously rotate to realize the welding processing of a plurality of processing surfaces of the workpieces which are parallel to a rotation axis,

comprises welding clamps (1) for positioning and clamping workpieces, a power device (2) for providing power, a transmission mechanism (3) for uniformly transmitting the power provided by the power device (2) to each welding clamp (1), and a mounting plate (4) for mounting the plurality of welding clamps (1) and the transmission mechanism (3),

the input end of the transmission mechanism (3) is in transmission connection with the output end of the power device (2), and the output ends of the transmission mechanism (3) are in transmission connection with the welding fixtures (1) respectively so as to realize synchronous autorotation of the welding fixtures (1).

2. The synchronous rotary mechanism of claim 1,

the welding fixture (1) and the transmission mechanism (3) are respectively arranged at two sides of the mounting plate (4),

the mounting plate (4) is provided with a mounting mechanism for mounting the welding clamp (1) and the transmission mechanism (3),

the output end of the transmission mechanism (3) is in transmission connection with the welding fixture (1) through the installation mechanism so as to drive the welding fixture (1) to rotate.

3. The synchronous rotary mechanism of claim 2,

the mounting mechanism comprises a bearing arranged on the mounting plate (4) and a mounting shaft rotationally connected with the bearing,

the welding fixture (1) is installed on the output end of an installation shaft, and the output end of the transmission mechanism (3) is installed on the input end of the installation shaft.

4. The synchronous rotary mechanism of claim 3,

the transmission mechanism (3) comprises a driving synchronous wheel (31) arranged on the output end of the power device (2), a driven synchronous wheel (32) arranged on the input end of the installation shaft and a synchronous belt (33) which is used for driving the driving synchronous wheel (31) and the driven synchronous wheel (32) to be in transmission connection.

5. The synchronous rotary mechanism of claim 4,

the transmission mechanism (3) further comprises a reversing wheel (34) which is arranged on the mounting plate (4) and positioned outside the synchronous belt (33) and used for changing the distribution position of the synchronous belt (33), so that the synchronous belt (33) is prevented from rolling and being interfered.

6. The synchronous rotary mechanism of claim 3,

the welding fixture (1) comprises a clamping block for positioning and clamping a workpiece and a driving cylinder for driving the clamping block to move to a clamping position of the workpiece.

7. The synchronous rotary mechanism of claim 6,

the input end of the mounting shaft is provided with a rotary joint (5) for connecting a gas pipeline,

the rotary joint (5) comprises a roller connected with the input end of the mounting shaft and an inner pipe used for connecting a gas pipeline,

the installation axle is the hollow shaft in order to constitute gas pipeline, gas pipeline's output pass through connecting tube with drive actuating cylinder's air inlet and be connected.

8. The synchronous rotary mechanism of claim 7,

install on mounting panel (4) be used for with the spacing fixed in order to improve of inner tube rotary joint (5) with fixing base (6) of the steadiness of mounting shaft connection.

9. The synchronous rotary mechanism of claim 1,

the power device (2) is arranged on the mounting plate (4),

the power device (2) comprises a servo motor (21) and a speed reducer (22), the input end of the speed reducer (22) is connected with the output end of the servo motor (21), and the output end of the speed reducer (22) is connected with the input end of the transmission mechanism (3).

10. A rotating device for positioning and clamping a workpiece and rotating different processing surfaces of the workpiece to a processing side of a welding device for welding processing so as to realize welding processing of a plurality of processing surfaces of the workpiece, which is characterized by comprising the synchronous rotating mechanism as claimed in any one of claims 1 to 9.