CN216780882U

CN216780882U - Vertical welding positioner

Info

Publication number: CN216780882U
Application number: CN202122995525.1U
Authority: CN
Inventors: 孙艳杰; 陈兵华
Original assignee: Shenzhen Yisheng Laser Intelligent Equipment Co ltd
Current assignee: Shenzhen Yisheng Laser Intelligent Equipment Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-06-21
Anticipated expiration: 2031-11-30

Abstract

The utility model belongs to the technical field of positioner, and particularly relates to a vertical welding positioner which comprises a lathe bed assembly, a stand column assembly, a sliding table assembly and a transverse sliding shaft assembly, wherein the lathe bed assembly comprises a positioning fixture; the upright post component is fixedly arranged on the lathe bed component; the sliding table assembly is arranged on the upright post assembly and can slide along the longitudinal direction of the upright post assembly; the transverse sliding shaft assembly is horizontally arranged on the sliding table assembly, can transversely slide along the sliding table assembly and comprises a positioning mechanism, the positioning mechanism is opposite to the positioning fixture, and a clamping space is formed between the positioning mechanism and the positioning fixture. The vertical welding positioner is convenient to operate, the transverse sliding shaft assembly can retract, an effective avoiding space can be provided when large-sized workpieces are fed, the vertical structure is adopted, the gravity center of the workpieces almost coincides with the rotation center, errors caused by the self-weight deformation of the workpieces are effectively avoided, and the high positioning precision can be obtained due to the small moment of inertia and the high starting and stopping response speed.

Description

Vertical welding positioner

Technical Field

The utility model belongs to the technical field of position changing machines, and particularly relates to a vertical welding position changing machine.

Background

The positioner is a special welding auxiliary device and is suitable for welding deflection of rotary work so as to obtain an ideal processing position and welding speed. The automatic welding machine can be used in cooperation with an operating machine and a welding machine to form an automatic welding center, and can also be used for workpiece deflection during manual operation. The worktable rotation adopts the stepless speed regulation of a frequency converter, and the speed regulation precision is high. The remote control box can realize the remote operation of the workbench, and can also be connected with an operating machine and a welding machine control system to realize linkage operation. The welding positioner generally comprises a worktable rotating mechanism and a turnover mechanism, a workpiece fixed on the worktable can achieve required welding and assembly angles through the lifting, turnover and rotation of the worktable, the worktable rotates in a frequency conversion stepless speed regulation mode, and a satisfactory welding speed can be obtained. However, in the welding process of the large thin-wall rotating component, due to the reasons of heavy weight, low rigidity and the like of the workpiece, the workpiece is easy to deform and has poor machining effect, and the positioner in the prior art is difficult to meet the machining precision requirement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a vertical welding positioner, and aims to solve the technical problems that a rotary component is easy to deform and low in machining precision when the positioner in the prior art is used for welding the rotary component.

In order to achieve the above object, an embodiment of the present invention provides a vertical welding positioner, including: the device comprises a lathe bed assembly, a stand column assembly, a sliding table assembly and a transverse sliding shaft assembly, wherein the lathe bed assembly comprises a positioning clamp; the upright post assembly is fixedly arranged on the lathe bed assembly; the sliding table assembly is arranged on the upright post assembly and can slide along the longitudinal direction of the upright post assembly; the horizontal sliding shaft assembly is horizontally arranged on the sliding table assembly, the horizontal sliding shaft assembly can slide transversely along the sliding table assembly, the horizontal sliding shaft assembly comprises a positioning mechanism, and the positioning mechanism is opposite to the positioning clamp and forms a clamping space between the positioning mechanism and the positioning clamp.

Preferably, the lathe bed assembly comprises a lathe bed body, a slewing bearing, a connecting flange and a transmission clamp; the slewing bearing is fixed on the lathe bed body, the transmission clamp is fixed on the slewing bearing through the connecting flange, and the positioning clamp is fixedly arranged on the connecting flange through the transmission clamp.

Preferably, the lathe body is further provided with a positioning taper sleeve, and the positioning taper sleeve is accommodated in the slewing bearing.

Preferably, the upright post assembly comprises an upright post body and two first guide rails; the column body is vertically fixed on the bed body, the two first guide rails are respectively locked on the left side and the right side of the front end face of the column body through screws, a first transmission rack is arranged in each first guide rail, and the sliding table assembly is respectively connected with the two first guide rails.

Preferably, the stand subassembly still includes a buffering subassembly, the buffering subassembly is located two between the first guide rail, when the slip table subassembly moves to lower extreme position, the top surface butt of buffering subassembly the bottom surface of slip table.

Preferably, the sliding table assembly comprises a sliding table body, and a Z-direction motor is mounted on the rear side surface of the sliding table body; a Y-direction motor is mounted on the front side surface of the sliding table body; the sliding table body is provided with a mounting plate in a forward protruding manner, and a lubricating device is mounted on the mounting plate; the Y-direction motor and the Z-direction motor are both connected with a speed reducer through a coupling.

Preferably, the upper side of slip table body is equipped with a dust guard.

Preferably, the transverse slide shaft assembly comprises a transverse slide shaft body; the transverse sliding shaft body is connected with the sliding table body through a sliding block; the rear side and the lower side of the transverse sliding shaft body are both provided with a second guide rail, the lower side of the transverse sliding shaft body is also provided with a second transmission rack, and the positioning mechanism is installed at one end of the transverse sliding shaft body.

Preferably, the positioning mechanism comprises a protective cone sleeve and a tip part, and the head part of the tip part faces downwards, is arranged in the protective cone sleeve and is concentric with the rotary support.

Preferably, the lower end of the upright post body is provided with a grease collecting device, and the grease collecting device corresponds to the second transmission rack.

One or more technical schemes in the vertical welding positioner provided by the embodiment of the utility model at least have one of the following technical effects: through the design, vertical positioner convenient operation, horizontal slide-shaft subassembly is retractable, can provide effectively when large-scale work piece material loading and dodge the space, adopts vertical structure, and the work piece focus is almost coincide with centre of rotation, has avoided the error brought by work piece dead weight deformation effectively, thereby because inertia moment is little, open and stop response speed is fast can obtain higher positioning accuracy and positioning accuracy.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a vertical welding positioner provided in an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a bed assembly provided in an embodiment of the present invention.

Fig. 3 is a cross-sectional view of a bed assembly provided in an embodiment of the utility model.

Fig. 4 is a schematic structural diagram of a pillar assembly according to an embodiment of the present invention.

Fig. 5 is a partially enlarged view of the area a shown in fig. 4.

Fig. 6 is a schematic structural diagram of a sliding table assembly according to an embodiment of the present invention.

Fig. 7 is another schematic structural diagram of the sliding table assembly according to the embodiment of the present invention.

Fig. 8 is a schematic structural diagram of a transverse slide shaft assembly according to an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the embodiments of the present invention, and should not be construed as limiting the utility model.

In the description of the embodiments of the present invention, it should be understood that, if directional indications such as up, down, left, right, front, back, inner, outer, etc. are provided in the embodiments of the present invention, the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description of the embodiments of the present invention and for simplification of description, and are not intended to indicate or imply that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and therefore, should not be construed as limiting the present 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 one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, terms such as "mounted," "connected," and "fixed" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In one embodiment of the present invention, as shown in fig. 1 to 7, there is provided a vertical welding positioner, comprising a bed assembly 10, a column assembly 11, a sliding table assembly 12 and a transverse sliding shaft assembly 13, wherein the bed assembly 10 comprises a positioning fixture 101; the column assembly 11 is fixedly arranged on the lathe bed assembly 10; the sliding table assembly 12 is mounted on the column assembly 11 and can slide along the longitudinal direction of the column assembly 11; the transverse sliding shaft assembly 13 is horizontally installed on the sliding table assembly 12, the transverse sliding shaft assembly 13 can transversely slide along the sliding table assembly 12, the transverse sliding shaft assembly 13 includes a positioning mechanism 131, the positioning mechanism 131 is opposite to the positioning fixture 101, and a clamping space 102 is formed between the positioning mechanism 131 and the positioning fixture 101.

Specifically, before welding the work piece, horizontal slide axle subassembly 13 moves back to the safe position that does not influence work piece hoist and mount, and hoist the work piece again on the clamping space 102 with positioning fixture 101 location, horizontal slide axle subassembly 13 stretches out until positioning mechanism 131 with positioning fixture 101's axis is coaxial, horizontal slide axle subassembly 13 with slip table subassembly 12 downstream extremely positioning fixture 101 contacts with work piece top locating surface, realizes the work piece and fixes a position completely. The base assembly starts to rotate and displace to start welding. Through the design, vertical positioner convenient operation, horizontal slide-shaft subassembly 13 is retractable, can provide effectively when large-scale work piece material loading and dodge the space, adopts vertical structure, and the work piece focus is almost coincide with centre of rotation, has avoided the error brought by work piece dead weight deformation effectively, thereby because inertia moment is little, open and stop response speed is fast can obtain higher positioning accuracy and positioning accuracy.

In another embodiment of the present invention, as shown in fig. 2-3, the bed assembly 10 includes a bed body 103, a pivoting support 104, a connecting flange 105, and a drive clamp 106; the slewing bearing 104 is fixed on the bed body 103, the transmission clamp 106 is fixed on the slewing bearing 104 through the connecting flange 105, and the positioning clamp 101 is fixed on the connecting flange 105 through the transmission clamp 106. Through the design, the lathe bed component 10 positions the axis of the workpiece, bears the weight of the workpiece, ensures that the positioning mechanism 131 is coaxial with the axis of the positioning fixture 101, realizes rotary displacement of the workpiece, and is convenient to operate and stable in working state.

In another embodiment of the present invention, as shown in fig. 3, the bed body 103 is further provided with a positioning taper sleeve (not shown), and the positioning taper sleeve (not shown) is received in the slewing bearing 104. The centering of the workpiece is guaranteed, the workpiece can be tightly held on the outer edge of the workpiece for transmission, and the working state of the workpiece is guaranteed.

In another embodiment of the present invention, as shown in fig. 4, the pillar assembly 11 includes a pillar body 111 and two first guide rails 112; upright body 111 is fixed in vertically on the lathe bed body 103, two first guide rail 112 screw lock respectively in the left and right sides and two of terminal surface before upright body 111 all be equipped with a first drive rack 113 in the first guide rail 112, two are connected respectively to slip table subassembly 12 first guide rail 112 is to the work piece of different specifications, through the lifting adjusting of slip table subassembly 12 positioning mechanism 131 with positioning fixture 101's distance guarantees welded precision and stability, realizes different specification work piece location demands.

In another embodiment of the present invention, as shown in fig. 5, the column assembly 11 further includes a buffer assembly 114, the buffer assembly 114 is located between the two first guide rails 112, when the sliding table assembly 12 runs to the lower extreme position, the top surface of the buffer assembly 114 abuts against the bottom surface of the sliding table, and the buffer assembly 114 performs a buffering function and has high safety.

In another embodiment of the present invention, as shown in fig. 6 to 7, the sliding table assembly 12 includes a sliding table main body 121, and a Z-direction motor 122 is installed on a rear side surface of the sliding table main body 121; a Y-direction motor 124 is installed on the front side surface of the sliding table body 121; the sliding table body 121 is provided with a mounting plate 123 protruding forwards, and a lubricating device 125 is mounted on the mounting plate 123; specifically, the lubricating device 125 is lubricated by thin oil, and the Y-direction motor 124 and the Z-direction motor 122 are both coupled to a speed reducer (not shown). By providing the speed reducer (not shown), the motor achieves a low rotation speed, achieves a large torque, achieves a better operation characteristic, and reduces the inertia of the load.

In another embodiment of the present invention, as shown in fig. 6, a dust-proof plate 126 is disposed on the upper side of the sliding table body 121. The dust guard 126 effectively prevents particles from falling to damage the gears of the reducer (not shown).

In another embodiment of the present invention, as shown in fig. 7, the transverse slide axle assembly 13 includes a transverse slide axle body 132; the transverse sliding shaft body 132 is connected with the sliding table body 121 through a sliding block; the rear side and the lower side of the transverse sliding shaft body 132 are both provided with a second guide rail 133, the lower side of the transverse sliding shaft body 132 is also provided with a second transmission rack 134, and the positioning mechanism 131 is installed at one end of the transverse sliding shaft body 132. The transverse sliding shaft body 132 is mounted on the sliding table body 121 and is connected with the sliding table body 121 through a sliding block in a locking mode, and the second transmission rack 134 is used for transmission to ensure that the transverse sliding shaft body 132 is perpendicular to the upright post body 111.

In another embodiment of the present invention, as shown in fig. 7, the positioning mechanism 131 includes a protection cone 135 and a tip member 136, and the tip member 136 is disposed with its head facing downward and inside the protection cone 135 and is concentric with the rotary bearing 104. The positioning function is achieved, the influence of the weight of the workpiece is avoided, and higher rotary positioning precision and dynamic performance are realized.

In another embodiment of the present invention, as shown in fig. 1, a grease trap 115 is disposed at the lower end of the column body 111, and the grease trap 115 corresponds to the second transmission rack 134. The grease collection device 115 collects excess grease and avoids grease leakage and pollution.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a vertical positioner which characterized in that includes:

a bed assembly; the lathe bed assembly comprises a positioning clamp;

the stand column assembly is fixedly arranged on the lathe bed assembly;

the sliding table assembly is arranged on the upright post assembly and can slide along the longitudinal direction of the upright post assembly; and

a horizontal slide-shaft subassembly, horizontal slide-shaft subassembly horizontally install in on the slip table subassembly, horizontal slide-shaft subassembly can be followed slip table subassembly transversely slides, horizontal slide-shaft subassembly includes a positioning mechanism, positioning mechanism with positioning fixture is relative just positioning mechanism with form a centre gripping space between the positioning fixture.

2. The vertical welding positioner of claim 1, wherein the bed assembly further comprises a bed body, a slewing bearing, a connecting flange and a driving clamp; the slewing bearing is fixed on the lathe bed body, the transmission clamp is fixed on the slewing bearing through the connecting flange, and the positioning clamp is fixedly arranged on the connecting flange through the transmission clamp.

3. The vertical welding positioner according to claim 2, wherein the lathe body is further provided with a positioning taper sleeve, and the positioning taper sleeve is accommodated in the slewing bearing.

4. The vertical welding positioner of claim 2, wherein the column assembly comprises a column body and two first guide rails; the column body is vertically fixed on the bed body, the two first guide rails are respectively locked on the left side and the right side of the front end face of the column body through screws, a first transmission rack is arranged in each first guide rail, and the sliding table assembly is respectively connected with the two first guide rails.

5. The vertical welding positioner according to claim 4, wherein the column assembly further comprises a buffer assembly, the buffer assembly is located between the two first guide rails, and when the sliding table assembly moves to the lower end limit position, the top surface of the buffer assembly abuts against the bottom surface of the sliding table.

6. The vertical welding positioner according to any one of claims 1 to 5, wherein the sliding table assembly comprises a sliding table body, and a Z-direction motor is mounted on the rear side surface of the sliding table body; a Y-direction motor is mounted on the front side surface of the sliding table body; the sliding table body is provided with a mounting plate in a forward protruding manner, and a lubricating device is mounted on the mounting plate; the Y-direction motor and the Z-direction motor are both connected with a speed reducer through a coupling.

7. The vertical welding positioner according to claim 6, wherein a dust guard is arranged on the upper side surface of the sliding table body.

8. The vertical positioner according to claim 4, wherein the transverse slide assembly comprises a transverse slide body; the transverse sliding shaft body is connected with the sliding table body through a sliding block; the rear side and the lower side of the transverse sliding shaft body are both provided with a second guide rail, the lower side of the transverse sliding shaft body is also provided with a second transmission rack, and the positioning mechanism is installed at one end of the transverse sliding shaft body.

9. The vertical positioner according to claim 2, wherein the positioning mechanism comprises a protective cone and a tip member, the tip member having a head facing downward and disposed within the protective cone and concentric with the pivot support.

10. The vertical welding positioner according to claim 8, wherein a grease collecting device is arranged at the lower end of the upright post body and corresponds to the second transmission rack.