CN213257962U

CN213257962U - C-shaped overturning welding positioner

Info

Publication number: CN213257962U
Application number: CN202021657321.6U
Authority: CN
Inventors: 魏巍; 魏征; 魏伦
Original assignee: BEIJING HUAWEI ZHONGXING ELECTRIC CO LTD
Current assignee: BEIJING HUAWEI ZHONGXING ELECTRIC CO LTD
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-05-25
Anticipated expiration: 2030-08-11

Abstract

The utility model relates to an automatic welding technical field especially relates to a C shape upset welding machine of shifting, and this machine of shifting includes the tilting mechanism that at least two intervals set up, and every tilting mechanism includes supporting seat, C shape roll-over stand and sets up in the direction subassembly and the drive assembly of supporting seat, and the drive assembly can drive C shape roll-over stand and overturn along the direction subassembly; the C-shaped roll-over stand is provided with a placing groove, the C-shaped roll-over stand is provided with a clamping assembly, and the clamping assembly is configured to fasten a welding piece in the placing groove and the C-shaped roll-over stand. The utility model discloses can accomplish the welding through disposable clamping to the welding piece that has middle welding seam and both ends welding seam, reduce the clamping number of times, improve welding efficiency.

Description

C-shaped overturning welding positioner

Technical Field

The utility model relates to an automatic change welding technology field, especially relate to a C shape upset positioner.

Background

The welding positioner is an indispensable device for realizing semi-automatic or full-automatic welding in the welding production of the manufacturing industry, and is classified as an auxiliary welding machine in the field of welding. In recent years, the welding positioner has been greatly developed in various equipment manufacturing fields, is widely applied, and has been increasingly demanded, and particularly in a production occasion of performing automatic welding by using a robot, the welding positioner has become an essential production tool matched with the robot.

Generally speaking, a welding positioner can be divided into a plurality of forms according to different load bearing, functions, sizes and driving modes so as to meet the requirements of different application occasions. Various types of positioner have gradually become a standard product in the non-standard industry and are accepted in the market, and for longer welding parts, most of the positioner clamp the two ends of the welding part, and when the two ends of the welding part need to be welded, the welding part needs to be taken down to weld the welding seams at the two ends of the welding part. The existing positioner can not finish welding a welding part with a middle welding line and two end welding lines by one-time clamping.

SUMMERY OF THE UTILITY MODEL

Based on it is above, an object of the utility model is to provide a C shape upset positioner to solve current positioner and can't accomplish welded problem through disposable clamping to the welding piece that has middle welding seam and both ends welding seam.

In order to achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a C shape upset positioner, including at least two tilting mechanisms that the interval set up, every tilting mechanism includes supporting seat, C shape roll-over stand and sets up in the direction subassembly and the drive assembly of supporting seat, the drive assembly can drive C shape roll-over stand along the upset of direction subassembly; the C-shaped turnover frame is provided with a placing groove, the C-shaped turnover frame is provided with a clamping assembly, and the clamping assembly can fasten a welding piece in the placing groove and the C-shaped turnover frame.

Optionally, a rack is wound around the periphery of the C-shaped roll-over stand, and the driving assembly is in transmission connection with the rack to drive the C-shaped roll-over stand to turn over.

Optionally, a C-shaped fixing groove is formed in the periphery of the C-shaped roll-over stand, and the rack is wound in the C-shaped fixing groove.

Optionally, the periphery of the C-shaped roll-over stand is provided with at least three mounting plates at intervals, the rack is mounted on the C-shaped roll-over stand through the mounting plates, and the driving assembly is in transmission connection with the rack.

Optionally, the guide assembly comprises two sets of guide wheels arranged at intervals on the supporting seat, the two sets of guide wheels are distributed on two sides of the axis of the C-shaped roll-over stand and can be connected with the C-shaped roll-over stand externally, and the C-shaped roll-over stand can turn over along the guide wheels.

Optionally, each guide wheel comprises two idler wheels which are arranged at intervals and have coincident central lines, an annular groove is formed in the circumferential direction of each idler wheel, C-shaped flanges are arranged on two end faces of the C-shaped roll-over frame, and the C-shaped flanges on the two end faces are respectively arranged in the annular grooves of the two idler wheels in a rolling mode.

Optionally, the clamping assembly includes a first clamping assembly and a second clamping assembly, the first clamping assembly is disposed on one side of the placing groove on the end surface of the C-shaped roll-over stand, the second clamping assembly is disposed on the other side of the placing groove on the end surface of the C-shaped roll-over stand, the first clamping assembly is used for clamping the welding piece along a first direction, the second clamping assembly is used for clamping the welding piece along a second direction, the first direction is the same as the opening direction of the placing groove, and the second direction is perpendicular to the opening direction of the placing groove.

Optionally, the first clamping assembly comprises a first bracket, a first driving piece mounted on the first bracket, a transmission rod connected with the first driving piece, and a first clamping plate and a second clamping plate which are oppositely arranged and can relatively slide along the first direction, and the transmission rod is respectively in threaded fit with the first clamping plate and the second clamping plate through two sections of threads with opposite screwing directions.

Optionally, the second clamping assembly includes a second bracket, a second driving element mounted on the second bracket, and a fastening element capable of sliding along the second bracket, and the fastening element is capable of sliding along the second direction under the driving of the second driving element and presses the welding element to the placement groove.

Optionally, the driving assembly comprises a driving motor arranged on the supporting seat and a driving gear in transmission connection with an output shaft of the driving motor, and the driving gear can be in meshing transmission with the rack.

The utility model has the advantages that:

the utility model provides a C shape upset positioner will be welded through first centre gripping subassembly and second centre gripping subassembly and is fixed in the standing groove of C shape roll-over stand, when will welding is fixed in the standing groove, can avoid selectively and need welded position on the welding, and this embodiment can accomplish the welding through disposable clamping to the welding that has middle welding seam and both ends welding seam simultaneously, has reduced the clamping number of times, has improved welding efficiency.

Drawings

FIG. 1 is a schematic structural view of a C-shaped turnover welding positioner provided by the embodiment of the invention;

fig. 2 is a schematic diagram of the C-shaped turnover welding positioner and the welding part provided by the embodiment of the present invention.

In the figure:

1. a turnover mechanism; 11. a supporting seat;

12. a C-shaped roll-over stand; 121. a rack; 122. mounting a plate; 123. a C-shaped flange; 124. a first clamping assembly; 1241. a servo motor; 1242. a transmission rod; 1243. a first splint; 1244. a second splint; 125. a second clamping assembly; 1251. a telescopic cylinder; 1252. an abutting piece; 126. a placement groove;

13. a guide assembly; 131. a roller; 132. an annular groove;

14. a drive assembly;

100. and (7) welding parts.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Fig. 1 is the utility model provides a structural schematic diagram of C shape upset positioner, fig. 2 is the utility model provides a C shape upset positioner and a welding complex schematic diagram. Referring to fig. 1 and fig. 2, the embodiment provides a C-shaped turnover welding positioner, which includes at least two turnover mechanisms 1 arranged at intervals, each turnover mechanism 1 includes a supporting seat 11, a C-shaped turnover frame 12, and a guiding assembly 13 and a driving assembly 14 arranged on the supporting seat 11, and the driving assembly 14 can drive the C-shaped turnover frame 12 to turn over along the guiding assembly 13; a rack 121 is wound on the periphery of the C-shaped roll-over stand 12, and the driving component 14 is in meshing transmission with the rack 121 to drive the C-shaped roll-over stand 12 to roll over; the C-shaped roll-over stand 12 is provided with a placement slot 126, the placement slot 126 is used for placing the weldment 100, and the C-shaped roll-over stand 12 is provided with a clamping assembly configured to secure the weldment 100 in the placement slot 126 to the C-shaped roll-over stand 12. In this embodiment, specifically, the positioner includes two turnover mechanisms 1 arranged at an interval. Of course, in other embodiments, the number of canting mechanisms 1 can be selected according to the length of the weldment 100, and can be, for example, three, four or ten.

In this embodiment, the rack 121 may be a rack 121 with an opening and a C-shaped structure, and a C-shaped fixing groove is formed on the periphery of the C-shaped roll-over stand 12, and the rack 121 is wound in the C-shaped fixing groove. The rack 121 is arranged in the C-shaped fixing groove, so that the size of the C-shaped roll-over stand 12 can be reduced; on the other hand, the rack 121 is convenient to position during installation, and the installation efficiency is improved.

Regarding the installation manner of the rack 121, in the present embodiment, it is preferable that at least three installation plates 122 are provided at intervals on the outer periphery of the C-shaped roll-over stand 12, the rack 121 is installed on the C-shaped roll-over stand 12 through the installation plates 122, and the driving assembly 14 is in transmission connection with the rack 121. Preferably, eight mounting plates 122 are spaced around the periphery of the C-shaped roll-over stand 12 in this embodiment. The rack 121 is suspended by the mounting plate 122, so that heat dissipation of the rack 121 is facilitated. Further, each mounting plate 122 is provided with a slot, the slots of the eight mounting plates 122 are connected to form a C-shaped curve, and the rack 121 is mounted in the slot of each mounting plate 122. The arrangement facilitates positioning and improves the installation efficiency when the rack 121 is matched with the installation plate 122; while also reducing the size of the C-shaped roll-over stand 12.

Specifically, the guide assembly 13 of this embodiment includes that two sets of intervals set up in the leading wheel of supporting seat 11, and two sets of leading wheels distribute in the both sides of C shape roll-over stand 12 axis and homoenergetic and be external with C shape roll-over stand 12, and C shape roll-over stand 12 can be along the leading wheel upset.

Because the manufacturing process can have the error, the profile of C shape roll-over stand 12 and leading wheel is all not theoretical circle, C shape roll-over stand 12 rotates the process along the leading wheel for a long time, the phenomenon that C shape roll-over stand 12 and leading wheel break away from can appear, in order to prevent the emergence of this phenomenon, every leading wheel of group includes that two intervals set up and central line coincide's gyro wheel 131, the circumference of every gyro wheel 131 is equipped with ring channel 132, two terminal surfaces of C shape roll-over stand 12 all are equipped with C shape flange 123, the C shape flange 123 of two terminal surfaces rolls respectively and sets up in the ring channel 132 of two gyro wheels 131. Specifically, in this embodiment, two end faces of the C-shaped roll-over stand 12 are perpendicular to the rolling center line of the C-shaped roll-over stand 12, the roller 131 is fixed to the support base 11 through the fixing frame, and when the C-shaped roll-over stand 12 rotates along the roller 131, the C-shaped flange 123 is located in the annular groove 132, so that the condition that the C-shaped roll-over stand 12 is separated from the guide wheel due to long-time rotation can be effectively avoided.

Since the C-roll stand 12 needs to be rotated, the degree of freedom of the weldment 100 needs to be limited to prevent the weldment 100 from disengaging from the resting groove 126 during rotation. In this embodiment, the clamping assembly includes a first clamping assembly 124 and a second clamping assembly 125, the first clamping assembly 124 is disposed on one side of the placement groove 126 on the end surface of the C-shaped roll-over stand 12, the second clamping assembly 125 is disposed on the other side of the placement groove 126 on the end surface of the C-shaped roll-over stand 12, the first clamping assembly 124 is used for clamping the weldment 100 along a first direction, the second clamping assembly 125 is used for clamping the weldment 100 along a second direction, the first direction is the same as the opening direction of the placement groove 126, and the second direction is perpendicular to the opening direction of the placement groove 126. The first clamp assembly 124 is disposed opposite the second clamp assembly 125 and can collectively define two directional degrees of freedom of the weldment 100. In this embodiment, the first clamp assembly 124 defines a degree of freedom in a first direction of the weldment 100 and the second clamp assembly 125 defines a degree of freedom in a second direction of the weldment 100, the first and second directions being perpendicular to one another, which provides for quick and efficient securement of the weldment 100 in a square cross-sectional shape.

Specifically, the first clamping assembly 124 includes a first bracket, a first driving member mounted on the first bracket, a transmission rod 1242 connected to the first driving member, and two first clamping plates 1243 and second clamping plates 1244 disposed opposite to each other and capable of sliding relatively in a first direction, and the transmission rod 1242 is in threaded engagement with the first clamping plate 1243 and the second clamping plate 1244 through two threads with opposite rotation directions. In this embodiment, the first driving member is a servo motor 1241. First splint 1243 is equipped with first through-hole, the central line of first through-hole is unanimous and perpendicular to first splint 1243's clamping face with first direction, second splint 1244 is equipped with the second through-hole, the central line of second through-hole is unanimous and perpendicular to second splint 1244's clamping face with first direction, first through-hole and second through-hole are the opposite screw hole of direction of turning soon, transfer line 1242 pass first through-hole and second through-hole and with first splint 1243 and second splint 1244 screw-thread fit. When the transmission rod 1242 is rotated, the first clamping plate 1243 and the second clamping plate 1244 slide relatively in the first direction, so that the welding part 100 can be clamped or loosened, the welding part 100 can be centered and positioned, and the degree of freedom of the welding part 100 in the first direction can be limited.

Regarding the specific structure of the second clamping assembly 125, it includes the second bracket, the second driving element installed on the second bracket, and the fastening element 1252 capable of sliding along the second bracket, the fastening element 1252 can slide along the second direction under the driving of the second driving element, and can press the welding element 100 to the placing groove 126. Specifically in this embodiment, the second driving piece is telescopic cylinder 1251, supports tight piece 1252 and includes the clamp plate and set up perpendicularly in two slide bars of clamp plate, and the second support is equipped with the collinear three round hole of centre of a circle, and telescopic cylinder 1251's telescopic link passes behind the round hole in the middle with the clamp plate rigid coupling, and two slide bars on the clamp plate cooperate and the homoenergetic slide in the round hole with the round hole of both sides. This arrangement can effectively press the welding material 100 against the placement groove 126, and can restrict the degree of freedom of the welding material 100 in the second direction. Of course, in other embodiments, the second drive member may be a hydraulic cylinder.

In this embodiment, the driving assembly 14 optionally includes a driving motor disposed on the supporting base 11 and a driving gear in transmission connection with an output shaft of the driving motor, and the driving gear can be in meshing transmission with the rack 121. Specifically, in this embodiment, the driving motor may be a servo motor 1241, and the coordination between this embodiment and the action of the welding robot is realized by adjusting parameters such as a rotation angle and a speed of the servo motor 1241. Furthermore, in this embodiment, the driving motor is connected to a speed reducer, and the output shaft of the speed reducer is connected to a driving gear in a transmission manner. This setting can increase output torque, and the great welding piece 100 of adaptation quality also can increase the stability of equipment operation, improves the welding precision.

When the turning frame is used, the servo motor 1241 drives the driving gear through the speed reducer, the driving gear is in transmission connection with the rack 121, and the C-shaped turning frame 12 is driven by the rack 121 to turn over within 180 degrees along the roller 131.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. The C-shaped turnover welding positioner is characterized by comprising at least two turnover mechanisms (1) arranged at intervals, wherein each turnover mechanism (1) comprises a supporting seat (11), a C-shaped turnover frame (12), a guide assembly (13) and a driving assembly (14), the guide assembly (13) and the driving assembly (14) are arranged on the supporting seat (11), and the driving assembly (14) can drive the C-shaped turnover frame (12) to turn over along the guide assembly (13);

the C-shaped turnover frame (12) is provided with a placing groove (126), the C-shaped turnover frame (12) is provided with a clamping assembly, and the clamping assembly can fasten a welding piece (100) in the placing groove (126) and the C-shaped turnover frame (12).

2. The C-shaped turnover welding positioner as claimed in claim 1, wherein a rack (121) is wound on the periphery of the C-shaped turnover frame (12), and the driving assembly (14) is in transmission connection with the rack (121) to drive the C-shaped turnover frame (12) to turn.

3. The C-roll welding positioner as claimed in claim 2, wherein a C-shaped fixing groove is formed on the periphery of the C-roll stand (12), and the rack (121) is wound in the C-shaped fixing groove.

4. The C-shaped turnover welding positioner as claimed in claim 1, wherein at least three mounting plates (122) are arranged at intervals on the periphery of the C-shaped turnover frame (12), a rack (121) is mounted on the C-shaped turnover frame (12) through the mounting plates (122), and the driving assembly (14) is in transmission connection with the rack (121).

5. The C-shaped turnover welding positioner as set forth in claim 1, wherein the guiding assembly (13) comprises two sets of guiding wheels arranged at intervals on the supporting base (11), the two sets of guiding wheels are distributed on two sides of the axis of the C-shaped turnover frame (12) and can be externally connected with the C-shaped turnover frame (12), and the C-shaped turnover frame (12) can be turned over along the guiding wheels.

6. The C-shaped turnover welding positioner as claimed in claim 5, wherein each group of guide wheels comprises two idler wheels (131) which are arranged at intervals and have coincident center lines, an annular groove (132) is formed in the circumferential direction of each idler wheel (131), C-shaped flanges (123) are arranged on two end faces of the C-shaped turnover frame (12), and the C-shaped flanges (123) on the two end faces are respectively arranged in the annular grooves (132) of the two idler wheels (131) in a rolling manner.

7. The C-roll welding positioner as claimed in claim 1, wherein the clamping assembly comprises a first clamping assembly (124) and a second clamping assembly (125), the first clamping assembly (124) is disposed on one side of the placement groove (126) on the end surface of the C-roll stand (12), the second clamping assembly (125) is disposed on the other side of the placement groove (126) on the end surface of the C-roll stand (12), the first clamping assembly (124) is used for clamping the weldment (100) in a first direction, the second clamping assembly (125) is used for clamping the weldment (100) in a second direction, the first direction is consistent with the opening direction of the placement groove (126), and the second direction is perpendicular to the opening direction of the placement groove (126).

8. The C-roll positioner according to claim 7, wherein the first clamping assembly (124) comprises a first bracket, a first driving member mounted to the first bracket, a transmission rod (1242) connected to the first driving member, and two first clamping plates (1243) and second clamping plates (1244) which are arranged opposite to each other and can slide relatively in the first direction, and the transmission rod (1242) is in threaded engagement with the first clamping plate (1243) and the second clamping plate (1244) through two threads with opposite rotation directions.

9. The C-roll positioner as set forth in claim 7, wherein the second clamp assembly (125) comprises a second carriage, a second drive member mounted on the second carriage, and a tightening member (1252) slidable along the second carriage, the tightening member (1252) being slidable in the second direction under the drive of the second drive member to tighten the weldment (100) against the placement groove (126).

10. The C-shaped turnover welding positioner as set forth in claim 2, characterized in that the driving assembly (14) comprises a driving motor arranged on the supporting seat (11) and a driving gear in transmission connection with an output shaft of the driving motor, and the driving gear can be in mesh transmission with the rack (121).