CN218657608U - Oppositely-arranged welding positioner with lifting and distance adjusting functions - Google Patents

Abstract

The utility model provides an opposed welding positioner with lifting and distance adjusting functions, which comprises a fixed head frame group, a movable tail frame group and a machine tool which are separated; the movable tailstock group is arranged on a machine tool, and the machine tool extends towards the fixed headstock group and is fixed on the ground; the machine tool is provided with a horizontal guide rail, and the movable tailstock group moves on the machine tool through the horizontal guide rail. The utility model discloses the accessible removes tailstock group to fixed headstock group or move to the back of the body and adjust the distance between two rotary worktable, and the centre gripping distance can be adjusted, can the part of the different length of centre gripping. Simultaneously the workstation can go up and down in step, and the workstation center can rise to the great distance from ground to can the centre gripping diameter very big or the very big part of offset distance, make the utility model discloses an application range is wider, uses more in a flexible way.

Description

Oppositely-arranged welding positioner with lifting and distance adjusting functions

Technical Field

The utility model relates to a positioner technical field specifically is a have opposite positioner who goes up and down and roll adjustment function concurrently.

Background

The welding positioner is mainly used for turning over and displacing workpieces in the welding process so as to obtain a good welding position and meet various welding quality and appearance requirements. The existing welding positioner is generally suitable for welding parts with the same size in batches, and the clamping parts of the positioner are fixed in size and poor in flexibility. For welding of parts in small and medium batches with different sizes, such as different lengths, different diameters and the like, different types of positioner are required to be respectively arranged so as to meet production requirements. For example, the invention patent with the authorization number of CN109693067 discloses a technical scheme of a welding positioner: the second base and the auxiliary supporting component are increased or decreased to adapt to workpieces with different lengths; the angle of the main shaft mechanism is adjusted through the swing shaft mechanism, so that the workpieces to be welded can move to a proper welding angle, the precision and consistency of the welding process are improved, and the displacement operation of the workpieces to be welded with different specifications and types is met. However, the flange angle in the scheme is complex in adjustment mode and structure, and the flange angle cannot adapt to workpieces with different diameters. In addition, in order to match with the long part, a plurality of groups of second bases and auxiliary supporting components need to be arranged, and a larger space field needs to be occupied when the device is not used.

Disclosure of Invention

The application aims to provide an opposed welding positioner with lifting and distance adjusting functions, so as to solve the problems in the background technology.

The embodiment of the application provides an opposed welding positioner with lifting and distance adjusting functions, which comprises a fixed head frame group, a movable tail frame group and a machine tool, wherein the fixed head frame group, the movable tail frame group and the machine tool are separated; the movable tailstock group is arranged on a machine tool, and the machine tool extends towards the fixed headstock group and is fixed on the ground; the machine tool is provided with a horizontal guide rail, and the movable tailstock group moves on the machine tool through the horizontal guide rail;

the fixed head frame group and the movable tail frame group are oppositely provided with rotary working tables, the back surfaces of the rotary working tables are connected with lifting sliding plates through rotary supporting bearings, wherein the outer rings of the rotary supporting bearings are fixed with the rotary working tables, and the inner rings of the rotary supporting bearings are fixed with the lifting sliding plates; the back fixedly connected with screw nut of lead screw of lifting slide, the lead screw is installed on the base, and the input transmission of lead screw is connected lift driving motor.

Furthermore, the fixed head frame group comprises fixed stand columns which are fixed on the base, and the base is fixed on the ground; the movable tailstock group comprises a movable upright post which is fixed on the walking sliding plate, and the lower surface of the walking sliding plate is embedded with the horizontal guide rail to enable the walking sliding plate to slide along the horizontal guide rail.

Furthermore, vertical guide rails are respectively arranged on the fixed upright post and the movable upright post, and the lifting sliding plate is embedded on the vertical guide rails and slides up and down along the vertical guide rails; the vertical guide rails are symmetrically arranged on two sides of the lead screw.

Furthermore, the outer surface circumference of the rotary support bearing is provided with teeth, the rotary support bearing is meshed with a rotary driving gear through the teeth, and the rotary driving gear is in transmission connection with a rotary driving motor.

Furthermore, a horizontal driving motor is arranged on the sliding plate and is in transmission connection with the horizontal driving gear; and a rack is arranged on the machine tool in parallel with the horizontal guide rail, and the horizontal driving gear is meshed with the rack.

Furthermore, the number of the horizontal guide rails is three, the rack is arranged in the center of the machine tool, and the rack is adjacent to the middle horizontal guide rail.

The utility model has the advantages that: the utility model discloses the accessible removes tailstock group to fixed headstock group or move to the back of the body and adjust the distance between two rotary worktable, and the centre gripping distance can be adjusted, can the part of the different length of centre gripping, and need not deposit more base structure. Simultaneously the workstation can go up and down in step, and the workstation center can rise to the great distance from ground to can the centre gripping diameter very big or the very big part of offset distance, make the utility model discloses an application range is wider, uses more in a flexible way.

Drawings

Fig. 1 is a schematic view of the overall structure of the present application.

Fig. 2 is a schematic view of the overall structure of the fixing head set according to the present application.

Fig. 3 is a schematic front view of the fixed head set.

Fig. 4 is a schematic side view of the fixed head set.

Fig. 5 is a schematic top view of the fixed head set.

Fig. 6 is a schematic view of the overall structure of the mobile tailstock group.

Fig. 7 is a schematic front structure diagram of the mobile tailstock group.

Fig. 8 is a schematic side view of the movable tailstock group.

Fig. 9 is a schematic top view of the mobile tailstock group.

In the figure: 100. fixing a head frame group; 101. fixing the upright post; 102. a base; 200. moving the tailstock group; 201. moving the upright post; 202. a walking skateboard; 203. a horizontal drive gear; 204. a horizontal driving motor; 205. a horizontal drive speed reducer; 300. a rotary table; 301. a slewing support bearing; 302. a rotary drive gear; 303. a rotation driving motor; 304. a rotation drive speed reducer; 400. a lifting slide plate; 401. a lead screw; 402. a lifting drive motor; 403. a lifting driving speed reducer; 404. a vertical guide rail; 500. a machine tool; 501. a horizontal guide rail; 502. a rack.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, the opposed welding positioner with lifting and distance adjusting functions comprises a fixed headstock group 100, a movable tailstock group 200 and a machine tool 500 which are separated. The fixed head frame group 100 and the movable tail frame group 200 are opposite and stand at a certain distance to form an opposite welding positioner. The movable tailstock group 200 is arranged on a machine tool 500, the machine tool 500 extends towards the fixed headstock group 100 and is fixed on the ground, a horizontal guide rail 501 is arranged on the machine tool 500, and the movable tailstock group 200 moves on the machine tool 500 through the horizontal guide rail 501, so that the movable tailstock group 200 can move towards or away from the fixed headstock group 100. Therefore, parts with different lengths can be clamped between the two working tables.

As for the fixed head frame assembly 100, as shown in fig. 2 to 5, the fixed head frame assembly 100 includes a fixed upright 101, the fixed upright 101 is fixed on a base 102, and the base 102 is fixed on the ground, thereby fixing the fixed head frame assembly 100 on the ground. A vertical rotary table 300 is arranged on a fixed upright 101, the back surface of the rotary table 300 is connected with a lifting slide plate 400 through a rotary supporting bearing 301, the outer ring of the rotary supporting bearing 301 is fixed with the rotary table 300, and the inner ring of the rotary supporting bearing 301 is fixed with the lifting slide plate 400, so that the rotary table 300 can rotate freely. The lifting slide plate 400 is used for driving the rotary table 300 to lift on the fixed upright 101. The base 102 is provided with a lead screw 401, the lead screw 401 axially extends to the top of the fixed upright column 101, the input end of the lead screw 401 is in transmission connection with a lifting driving motor 402, a lifting driving speed reducer 403 is conventionally mounted on the output shaft of the lifting driving motor 402, the lifting driving motor 402 and the lifting driving speed reducer 403 are both mounted at the top of the fixed upright column 101, so that the lifting driving motor 402 transmits torque to the lead screw 401, the nut of the lead screw 401 moves up and down along the lead screw 401, and the nut of the lead screw 401 and the lifting sliding plate 400 are fixed together to enable the lifting sliding plate 400 to drive the rotary worktable 300 to lift together, thereby realizing the lifting function of the rotary worktable 300.

As for the rotary support bearing 301 connecting the lifting slider 400 and the rotary table 300, as shown in fig. 5, teeth are formed on the outer surface of the rotary support bearing 301 in the circumferential direction to form a ring gear bearing, the rotary support bearing 301 is engaged with the rotary drive gear 302 through the teeth, and the rotary drive gear 302 is in transmission connection with the rotary drive motor 303. According to the conventional method, a rotary driving speed reducer 304 is mounted on an output shaft of a rotary driving motor 303, the rotary driving speed reducer 304 and the rotary driving motor 303 are fixed on a lifting sliding plate 400 and lift together with a rotary worktable 300, and the rotary driving gear 302 and a rotary supporting bearing 301 can be stably meshed. The rotary driving motor 303 transmits torque to the rotary driving gear 302 to rotate the rotary driving gear 302, and the rotary driving gear 302 is meshed with teeth on the outer ring of the rotary supporting bearing 301, so that the outer ring of the rotary supporting bearing 301 can be driven to rotate, and the effect of driving the rotary worktable 300 to rotate at any angle according to actual needs is achieved.

As shown in fig. 2 and 3, in order to enhance the stability of the sliding of the elevator slide 400 on the fixed column 101, the fixed column 101 is further provided with a vertical guide 404, the elevator slide 400 is fitted into the vertical guide 404, and the vertical guide provides a sliding rail for the elevator slide 400, so that the elevator slide 400 slides up and down along the vertical guide 404. The number of the vertical guide rails 404 is two, and the two vertical guide rails 404 are symmetrically arranged on two sides of the screw 401.

For the movable tailstock assembly 200, as shown in fig. 6-9, the movable tailstock assembly 200 includes a movable upright, the movable upright is provided with a rotary table 300, a lifting slide 400, a lead screw 401, a vertical guide rail 404, a lifting drive motor 402, a rotary drive motor 303 and the like, which are the same as the fixed upright 101, the rotary table 300 on the movable upright is opposite to the rotary table 300 on the fixed upright 101, and the rotary table 300 can rotate at any angle according to requirements, the rotary table 300 can be lifted up and down at any time through the lead screw 401 and the vertical guide rail 404, so that the rotary table 300 on the fixed upright 101 and the rotary table 300 on the movable upright can be lifted up and down synchronously and can also rotate simultaneously, parts clamped between the movable upright and the fixed upright 101 are always at the optimal welding position, and different types of workpieces and process requirements can be met.

The movable tailstock group 200 includes a movable upright 201, and the movable upright 201 is fixed to a traveling slide plate 202, and the lower surface of the traveling slide plate 202 is fitted to a horizontal guide rail 501 to slide the traveling slide plate 202 along the horizontal guide rail 501, so that the movable upright 201 is moved toward or away from the fixed upright 101 by the horizontal guide rail 501. The sliding plate is provided with a horizontal driving motor 204, a horizontal driving speed reducer 205 is conventionally mounted on an output shaft of the horizontal driving motor 204, the horizontal driving motor 204 is in transmission connection with a horizontal driving gear 203, a rack 502 is arranged on the machine tool 500 in parallel with a horizontal guide rail 501, the rack 502 extends in the same direction as the horizontal guide rail 501, the horizontal driving gear 203 is meshed on the rack 502, when the horizontal driving motor 204 drives the horizontal driving gear 203 to rotate, walking power can be provided for the walking sliding plate 202, and then the moving upright column 201 and the walking sliding plate 202 can be driven to move and slide on the machine tool 500 together.

In order to ensure the stability of the traveling and sliding of the moving column 201, three parallel horizontal guide rails 501 are provided and fitted to the left, middle, and right portions of the traveling slide plate 202, respectively, and at this time, a rack 502 is provided at the center of the machine tool 500, the rack 502 is adjacent to the middle horizontal guide rail 501, and correspondingly, the horizontal drive motor 204 is also mounted on the back surface of the moving column 201 and at the middle position of the traveling slide plate 202.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. An opposed welding positioner with lifting and distance adjusting functions is characterized by comprising a fixed head frame group, a movable tail frame group and a machine tool which are separated; the movable tailstock group is arranged on a machine tool, and the machine tool extends towards the fixed headstock group and is fixed on the ground; the machine tool is provided with a horizontal guide rail, and the movable tailstock group moves on the machine tool through the horizontal guide rail;

the fixed headstock group and the movable tailstock group are oppositely provided with rotary working tables, the back surfaces of the rotary working tables are connected with lifting sliding plates through rotary supporting bearings, wherein the outer rings of the rotary supporting bearings are fixed with the rotary working tables, and the inner rings of the rotary supporting bearings are fixed with the lifting sliding plates; the back fixedly connected with lead screw's of lifting slide nut, the lead screw is installed on the base, and the input transmission of lead screw connects lift driving motor.

2. The opposed welding positioner with the lifting and distance adjusting functions as claimed in claim 1, wherein the fixed head frame group comprises fixed stand columns, the fixed stand columns are fixed on the base, and the base is fixed on the ground; the movable tail frame group comprises a movable upright post which is fixed on the walking sliding plate, and the lower surface of the walking sliding plate is embedded with the horizontal guide rail to enable the walking sliding plate to slide along the horizontal guide rail.

3. The opposed welding positioner with the lifting and distance adjusting functions as claimed in claim 2, wherein the fixed upright post and the moving upright post are respectively provided with a vertical guide rail, and the lifting sliding plate is embedded on the vertical guide rails and slides up and down along the vertical guide rails; the vertical guide rails are symmetrically arranged on two sides of the lead screw.

4. The opposed welding positioner with lifting and distance adjusting functions as claimed in claim 1, wherein teeth are circumferentially arranged on the outer surface of the rotary support bearing, the rotary support bearing is meshed with a rotary driving gear through the teeth, and the rotary driving gear is in transmission connection with a rotary driving motor.

5. The opposed welding positioner with the lifting and distance adjusting functions as claimed in claim 2, wherein a horizontal driving motor is arranged on the sliding plate and is in transmission connection with a horizontal driving gear; and a rack is arranged on the machine tool in parallel with the horizontal guide rail, and the horizontal driving gear is meshed with the rack.

6. The opposed welding positioner with the lifting and distance adjusting functions as claimed in claim 5, wherein the number of the horizontal guide rails is three, the rack is arranged in the center of the machine tool, and the rack is adjacent to the middle horizontal guide rail.

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