CN219094186U

CN219094186U - Be applied to automatic build-up welding device of large tracts of land cavity surface wearing layer

Info

Publication number: CN219094186U
Application number: CN202222994509.5U
Authority: CN
Inventors: 张立中
Original assignee: Shandong Zhongzhou Additive Manufacturing Co ltd
Current assignee: Shandong Zhongzhou Additive Manufacturing Co ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-05-30
Anticipated expiration: 2032-11-10

Abstract

The utility model discloses an automatic surfacing device applied to a wear-resistant layer on the outer surface of a large-area cavity, and relates to the technical field of surfacing equipment. The utility model comprises a welding frame and supporting pieces symmetrically and slidably arranged on the welding frame; clamping pieces are symmetrically matched with the sliding rod in a sliding way; the clamping piece is in threaded rotation fit with the bidirectional screw rod; the clamping piece is in sliding fit with the through hole; the side surface of the two-way screw rod is fixedly connected with a ratchet wheel; a pawl matched with the ratchet wheel is rotatably arranged on the side surface of the supporting plate; the side surface of the supporting plate is provided with a connecting plate; a reset spring is arranged between the connecting plate and the pawl. According to the utility model, the bidirectional screw rod is rotated to drive the fixed plates on the same group of clamping pieces to synchronously and reversely move, and the connecting rods are used to drive the two groups of curved clamping plates to synchronously and reversely move, so that the expansion of the blocking curved clamping plates is realized, the clamping and fixing of the inner wall of the workpiece to be overlaid in the large-area cavity is realized, the workpiece to be overlaid in the large-area cavity is prevented from shaking in the process of rotating and overlaying, and the stability of the device is improved.

Description

Be applied to automatic build-up welding device of large tracts of land cavity surface wearing layer

Technical Field

The utility model belongs to the technical field of surfacing equipment, and particularly relates to an automatic surfacing device applied to a wear-resistant layer on the outer surface of a large-area cavity.

Background

The surfacing as an economical and rapid process method for material surface modification is more and more widely applied to the manufacture and repair of parts in various industrial departments, and in some industries mainly including ferrous metallurgy, many large-area cavity parts have very bad working conditions and serious abrasion after long-term running in a high-temperature state, so that the work efficiency and the service life of the workpiece can be effectively prolonged by adding a wear-resistant layer on the outer surface of the large-area cavity workpiece through surfacing.

Through retrieval, the wear-resistant layer automatic surfacing device applied to the mud roller and the large-size roller with the publication number of CN 206445401U comprises a fixed support body, a support frame body and a welding gun clamp for fixing a welding gun, wherein the support frame body is arranged at the lower part of the fixed support body and is used for placing a roller workpiece to be welded, and a position changer for driving the roller workpiece to be welded to rotate is arranged on the support frame body; a plurality of overlaying welding adjusting mechanisms are detachably arranged on the fixed support body, and the overlaying welding adjusting mechanisms are fixedly arranged on the fixed support body through two symmetrically arranged fixed sleeves. The utility model effectively improves the surfacing efficiency of the wear-resistant surface of the roller, reduces the labor cost, and simultaneously, the device can be suitable for surfacing operation of large-size rollers and can be flexibly applied to online roller surfacing repair.

However, the device directly places the roller workpiece to be welded on the support frame body, drives the roller workpiece to be welded to rotate through the positioner, and is not provided with a corresponding clamping and limiting mechanism, so that the roller workpiece to be welded is easy to shake in the overlaying process of the roller workpiece to be welded, and the overlaying quality is affected; meanwhile, the support frame cannot be suitable for placing roller workpieces to be welded in different lengths, and the practicality is poor.

Disclosure of Invention

The utility model aims to provide an automatic surfacing device applied to a wear-resistant layer on the outer surface of a large-area cavity, which drives a fixed plate on the same group of clamping pieces to synchronously and reversely move through rotating a bidirectional screw rod, and drives two groups of curved clamping plates to synchronously and reversely move through a connecting rod, so that the expansion of the blocking curved clamping plates is realized, the clamping and fixing of the inner wall of a workpiece to be surfacing of the large-area cavity are realized, the workpiece to be surfacing of the large-area cavity is prevented from shaking in the process of rotating surfacing, and the stability of the device is improved.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to an automatic surfacing device applied to a wear-resistant layer on the outer surface of a large-area cavity, which comprises a welding frame and supporting pieces symmetrically arranged on the welding frame in a sliding manner; the support comprises a support plate; the side surface of the supporting plate is provided with a bidirectional screw rod in a penetrating and rotating manner; the side surfaces of the supporting plates are symmetrically and fixedly connected with sliding rods on two sides of the bidirectional screw rod; clamping pieces are symmetrically matched with the sliding rod in a sliding manner; the clamping piece is in threaded rotation fit with the bidirectional screw rod; a limiting plate is fixedly connected to the center of the bidirectional screw rod; the surface of the limiting plate is provided with a through hole; the clamping piece is in sliding fit with the through hole;

the circumference side surface of the bidirectional screw rod is fixedly connected with a ratchet wheel; a pawl matched with the ratchet wheel is rotatably arranged on the side surface of the supporting plate; the side surface of the supporting plate is fixedly connected with a connecting plate; and a reset spring is fixedly connected between the connecting plate and the pawl.

As a preferable technical scheme of the utility model, the two side surfaces of the supporting plate are symmetrically and fixedly connected with sliding rails; the welding frame comprises a supporting bottom frame; limiting channels are symmetrically formed on two sides of the inner wall of the supporting bottom frame; the sliding rail is in sliding fit with the limiting channel; a driving motor is arranged on the inner wall of the supporting bottom frame; the other end of the supporting bottom frame is rotatably provided with a first threaded rod relative to the inner wall; the end part of the first threaded rod is fixedly connected with the output end of the driving motor; the side surface of the supporting plate is provided with a threaded hole; the threaded hole is in threaded rotation fit with the first threaded rod.

As a preferable technical scheme of the utility model, two side surfaces of the supporting underframe are fixedly connected with vertical plates; a mounting frame is fixedly connected between the two vertical plates; a servo motor is arranged on the inner wall of the mounting frame; the other end of the mounting frame is rotatably provided with a second threaded rod relative to the inner wall; the output end of the servo motor is fixedly connected with the end part of the second threaded rod; the mounting frame is in sliding fit with an I-shaped plate; the I-shaped plate is in threaded running fit with the second threaded rod, and the bottom surface of the I-shaped plate is fixedly connected with an electric push rod; and the output end of the electric push rod is fixedly connected with a welding gun clamp.

As a preferable technical scheme of the utility model, the clamping piece comprises two groups of fixing plates which are oppositely arranged; screw holes are formed in the side face of the fixed plate; the screw hole is in threaded rotation fit with the bidirectional screw rod; sliding holes are symmetrically formed in the side surfaces of the fixing plate and located on the two sides of the screw hole; the sliding rod is in sliding fit with the sliding hole.

As a preferable technical scheme of the utility model, the two opposite side surfaces of the fixed plate are fixedly connected with first C-shaped rods; each first C-shaped rod is rotatably matched with a rotating rod; two groups of rotating rods on the same horizontal plane are rotationally matched with a curved clamping plate; the side surface of the curved splint is fixedly connected with a guide rod; the guide rod is in sliding fit with the through hole; the side surfaces of the curved clamping plates are symmetrically and fixedly connected with second C-shaped rods on two sides of the guide rod; the two groups of rotating rods on the same horizontal plane are respectively in running fit with the two groups of second C-shaped rods on the same curved-surface clamping plate.

The utility model has the following beneficial effects:

1. according to the utility model, the distance between the two groups of supporting pieces is adjusted according to the specific length of the workpieces to be overlaid in the large-area cavity, so that the clamping and fixing of the two groups of clamping pieces are facilitated, the device is suitable for clamping and fixing the workpieces to be overlaid in the large-area cavities with different lengths, and the practicability of the device is improved.

2. According to the utility model, the bidirectional screw rod is rotated to drive the fixed plates on the same group of clamping pieces to synchronously and reversely move, and the connecting rods are used to drive the two groups of curved clamping plates to synchronously and reversely move, so that the expansion of the blocking curved clamping plates is realized, the clamping and fixing of the inner wall of the workpiece to be overlaid in the large-area cavity is realized, the workpiece to be overlaid in the large-area cavity is prevented from shaking in the process of rotating and overlaying, the stability of the device is improved, and the quality of overlaying is improved.

3. According to the utility model, through the arrangement of the ratchet wheel and the pawl structure, the bidirectional screw rod can only rotate in one direction, namely the clamping piece can only expand, so that the phenomenon that the bidirectional screw rod reversely rotates in a clamping state to cause failure of clamping a workpiece is avoided, and the practicability of the device is improved.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic structural view of an automatic build-up welding device for a large-area cavity outer surface wear-resistant layer according to the present utility model.

Fig. 2 is a schematic structural view of a welding frame.

Fig. 3 is a schematic structural view of the assembly of the supporting member and the clamping member.

Fig. 4 is a schematic structural view of the support.

Fig. 5 is a schematic view of the structure of the support from the right view.

Fig. 6 is a schematic structural view of the clamping member.

In the drawings, the list of components represented by the various numbers is as follows:

the welding device comprises a 1-welding frame, a 2-supporting piece, a 3-supporting plate, a 4-bidirectional screw rod, a 5-sliding rod, a 6-clamping piece, a 7-limiting plate, a 8-through hole, a 9-ratchet wheel, a 10-pawl, a 11-connecting plate, a 12-return spring, a 13-sliding rail, a 14-supporting bottom frame, a 15-limiting channel, a 16-driving motor, a 17-first threaded rod, a 18-threaded hole, a 19-vertical plate, a 20-mounting frame, a 21-servo motor, a 22-second threaded rod, a 23-I-shaped plate, a 24-electric push rod, a 25-welding gun clamp, a 26-fixing plate, a 27-threaded hole, a 28-sliding hole, a 29-first C-shaped rod, a 30-rotating rod, a 31-curved clamping plate, a 32-guiding rod and a 33-second C-shaped rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

First embodiment:

referring to fig. 1-6, the utility model discloses an automatic surfacing device applied to a wear-resistant layer on the outer surface of a large-area cavity, which comprises a welding frame 1 and supporting pieces 2 symmetrically and slidingly arranged on the welding frame 1; the support 2 comprises a support plate 3; the side surface of the supporting plate 3 is provided with a bidirectional screw rod 4 in a penetrating and rotating way; the side surfaces of the supporting plate 3 are symmetrically and fixedly connected with sliding rods 5 at two sides of the bidirectional screw rod 4; clamping pieces 6 are symmetrically matched with the sliding rod 5 in a sliding manner; the clamping piece 6 is in threaded rotation fit with the bidirectional screw rod 4; a limiting plate 7 is fixedly connected to the center of the bidirectional screw rod 4; the surface of the limiting plate 7 is provided with a through hole 8; the clamping piece 6 is in sliding fit with the through hole 8; the side surface of the periphery of the bidirectional screw rod 4 is fixedly connected with a ratchet wheel 9; a pawl 10 matched with the ratchet wheel 9 is rotatably arranged on the side surface of the supporting plate 3; the side surface of the supporting plate 3 is fixedly connected with a connecting plate 11; a return spring 12 is fixedly connected between the connecting plate 11 and the pawl 10.

One specific application of this embodiment is: according to the actual length of the workpieces to be overlaid in the large-area cavity, the distance between the two groups of support pieces 2 is adjusted so as to be suitable for clamping and supporting the workpieces to be overlaid in different lengths; the two groups of corresponding fixing plates 26 are driven to synchronously and reversely move along the corresponding sliding rods 5 by rotating the bidirectional screw rods 4, and the guide rods 32 on the two groups of curved clamping plates 31 are driven to synchronously and reversely ascend along the through holes 8 by the rotating fit of the connecting rods 30 with the first C-shaped rods 29 and the second C-shaped rods 33, so that the expansion of the clamping pieces 6 is realized, and the clamping and fixing of the two ends of a workpiece to be surfacing in a large-area cavity are realized; through the setting of ratchet 9, pawl 10 structure for two-way lead screw 4 can only rotate towards a direction, clamping piece 2 can only expand promptly, avoids under the clamping state, and two-way lead screw 4 takes place reverse rotation, causes the inefficacy to work piece centre gripping, improves the practicality of device.

Specific embodiment II:

on the basis of the first embodiment, the present embodiment is different in that:

as shown in fig. 2-4, two sides of the supporting plate 3 are symmetrically and fixedly connected with sliding rails 13; the welding carriage 1 comprises a supporting bottom frame 14; limiting channels 15 are symmetrically formed on two sides of the inner wall of the supporting bottom frame 14; the sliding rail 13 is in sliding fit with the limit channel 15; the inner wall of the supporting bottom frame 14 is provided with a driving motor 16; the other support bottom frame 14 is rotatably provided with a first threaded rod 17 relative to the inner wall; the end part of the first threaded rod 17 is fixedly connected with the output end of the driving motor 16; the side surface of the supporting plate 3 is provided with a threaded hole 18; the threaded hole 18 is in threaded rotation fit with the first threaded rod 17; the two side surfaces of the supporting underframe 14 are fixedly connected with vertical plates 19; a mounting frame 20 is fixedly connected between the two vertical plates 19; a servo motor 21 is arranged on the inner wall of the mounting frame 20; the other relative inner wall of the mounting frame 20 is rotatably provided with a second threaded rod 22; the output end of the servo motor 21 is fixedly connected with the end part of the second threaded rod 22; the mounting frame 20 is slidably fitted with an i-shaped plate 23; the I-shaped plate 23 is in threaded rotation fit with the second threaded rod 22, and the bottom surface of the I-shaped plate is fixedly connected with an electric push rod 24; the output end of the electric push rod 24 is fixedly connected with a welding gun clamp 25.

One specific application of this embodiment is: the driving motor 16 is started to drive the first threaded rod 17 to rotate, so that the two groups of support plates 3 are driven to synchronously and reversely move along the support underframe 14, the two groups of clamping pieces 6 are respectively inserted into two ends of a large-area cavity workpiece to be overlaid, after clamping is completed, the servo motor 21 is started to drive the second threaded rod 22 to rotate, then the I-shaped plate 23 is driven to move along the mounting frame 20, and the electric push rod 24 is started to drive the welding gun clamp 25 to conduct lifting movement, so that the adjustment of the welding position is realized.

Third embodiment:

as shown in fig. 4-6, the clamping member 6 includes two sets of fixing plates 26 disposed opposite each other; screw holes 27 are formed in the side face of the fixing plate 26; the screw hole 27 is in threaded rotation fit with the bidirectional screw rod 4; slide holes 28 are symmetrically formed on the side surfaces of the fixed plate 26 and positioned on the two sides of the screw holes 27; the slide bar 5 is in sliding fit with the slide hole 28; the two opposite side surfaces of the fixed plate 26 are fixedly connected with a first C-shaped rod 29; each first C-shaped rod 29 is rotatably fitted with a rotating rod 30; two groups of rotating rods 30 on the same horizontal plane are rotatably matched with a curved clamping plate 31; the side surface of the curved clamping plate 31 is fixedly connected with a guide rod 32; the guide rod 32 is in sliding fit with the through hole 8; the side surfaces of the curved clamping plates 31 are symmetrically and fixedly connected with second C-shaped rods 33 on two sides of the guide rods 32; two groups of rotating rods 30 on the same horizontal plane are respectively in rotary fit with two groups of second C-shaped rods 33 on the same curved clamping plate 31.

One specific application of this embodiment is: through rotating the bidirectional screw rod 4, the corresponding two groups of fixing plates 26 are driven to synchronously and reversely move along the corresponding sliding rods 5, and through the rotation fit of the connecting rods 30 and the first C-shaped rods 29 and the second C-shaped rods 33, the guide rods 32 on the two groups of curved clamping plates 31 are driven to synchronously and reversely ascend along the through holes 8, so that the expansion of the clamping piece 6 is realized, and the clamping and fixing of the two ends of a workpiece to be surfacing in a large-area cavity are realized.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. An automatic surfacing device applied to a wear-resistant layer on the outer surface of a large-area cavity comprises a welding frame (1) and supporting pieces (2) symmetrically arranged on the welding frame (1) in a sliding manner;

the method is characterized in that:

the support (2) comprises a support plate (3); the side surface of the supporting plate (3) is provided with a bidirectional screw rod (4) in a penetrating and rotating manner; the side surfaces of the supporting plates (3) are symmetrically and fixedly connected with sliding rods (5) on two sides of the bidirectional screw rod (4); clamping pieces (6) are symmetrically matched with the sliding rod (5) in a sliding manner; the clamping piece (6) is in threaded rotation fit with the bidirectional screw rod (4); a limiting plate (7) is fixedly connected to the center of the bidirectional screw rod (4); the surface of the limiting plate (7) is provided with a through hole (8); the clamping piece (6) is in sliding fit with the through hole (8);

a ratchet wheel (9) is fixedly connected to the peripheral side surface of the bidirectional screw rod (4); a pawl (10) matched with the ratchet wheel (9) is rotatably arranged on the side surface of the supporting plate (3); the side surface of the supporting plate (3) is fixedly connected with a connecting plate (11); a reset spring (12) is fixedly connected between the connecting plate (11) and the pawl (10).

2. The automatic surfacing device applied to the wear-resistant layer on the outer surface of the large-area cavity according to claim 1, wherein sliding rails (13) are symmetrically and fixedly connected to two side surfaces of the supporting plate (3); the welding frame (1) comprises a supporting bottom frame (14); limiting channels (15) are symmetrically formed on two sides of the inner wall of the supporting bottom frame (14); the sliding rail (13) is in sliding fit with the limit channel (15); a driving motor (16) is arranged on the inner wall of the supporting bottom frame (14); the other opposite inner wall of the supporting bottom frame (14) is rotatably provided with a first threaded rod (17); the end part of the first threaded rod (17) is fixedly connected with the output end of the driving motor (16); a threaded hole (18) is formed in the side face of the supporting plate (3); the threaded hole (18) is in threaded rotation fit with the first threaded rod (17).

3. The automatic surfacing device applied to the wear-resistant layer on the outer surface of the large-area cavity according to claim 2, wherein two side surfaces of the supporting bottom frame (14) are fixedly connected with vertical plates (19); a mounting frame (20) is fixedly connected between the two vertical plates (19); a servo motor (21) is arranged on the inner wall of the mounting frame (20); the other relative inner wall of the mounting frame (20) is rotatably provided with a second threaded rod (22); the output end of the servo motor (21) is fixedly connected with the end part of the second threaded rod (22); the mounting frame (20) is in sliding fit with an I-shaped plate (23); the I-shaped plate (23) is in threaded rotation fit with the second threaded rod (22), and the bottom surface of the I-shaped plate is fixedly connected with an electric push rod (24); and the output end of the electric push rod (24) is fixedly connected with a welding gun clamp (25).

4. An automatic surfacing device for wear layers applied to the outer surface of large-area cavities according to claim 1, characterized in that said clamping member (6) comprises two sets of fixing plates (26) arranged opposite each other; screw holes (27) are formed in the side face of the fixing plate (26); the screw hole (27) is in threaded rotation fit with the bidirectional screw rod (4); sliding holes (28) are symmetrically formed in the two sides of the screw holes (27) on the side face of the fixed plate (26); the sliding rod (5) is in sliding fit with the sliding hole (28).

5. The automatic surfacing device applied to the wear-resistant layer on the outer surface of the large-area cavity according to claim 4, wherein the two opposite side surfaces of the fixed plate (26) are fixedly connected with a first C-shaped rod (29); each first C-shaped rod (29) is rotatably matched with a rotating rod (30); two groups of rotating rods (30) on the same horizontal plane are in rotating fit with curved clamping plates (31); the side surface of the curved clamping plate (31) is fixedly connected with a guide rod (32); the guide rod (32) is in sliding fit with the through hole (8); the side surfaces of the curved clamping plates (31) are symmetrically and fixedly connected with second C-shaped rods (33) on two sides of the guide rods (32); the two groups of rotating rods (30) on the same horizontal plane are respectively in rotating fit with the two groups of second C-shaped rods (33) on the same curved clamping plate (31).