CN111922581B

CN111922581B - Fixing device for welding stirring blades

Info

Publication number: CN111922581B
Application number: CN202010656905.XA
Authority: CN
Inventors: 支悦
Original assignee: Huaibei Yangfan Non Ferrous Metallurgical Technology Co ltd
Current assignee: Huaibei Yangfan Non Ferrous Metallurgical Technology Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2022-07-12
Anticipated expiration: 2040-07-09
Also published as: CN111922581A

Abstract

The invention relates to a welding device, in particular to a fixing device for welding stirring blades. The technical problem is as follows: the fixing device for welding the stirring blades does not need to be operated by multiple persons, welding efficiency is improved, and workers are protected from being damaged easily. The technical problem of the invention is to provide: a fixing device for stirring blade welding, comprising: the side part of the base is provided with a fixed seat, and the inside and the top of the fixed seat are provided with clamping mechanisms; and the ejection mechanism is arranged inside the fixed seat. According to the invention, the blades can be automatically moved towards the inner side through the clamping mechanism, meanwhile, the steel pipe and the blades are tightly pressed through the pressing mechanism, the blades do not need to be fixed manually, the arc placing plate can be automatically inclined forwards through the ejection mechanism, the small supporting block and the large supporting block, the welded stirring blades can automatically slide down, the rotating shaft can be fixed through the arc clamping grooves, the chuck and the clamping pins, and the rotating shaft is prevented from deflecting to drive the blades to move in the welding process.

Description

Fixing device for welding stirring blades

Technical Field

The invention relates to a welding device, in particular to a fixing device for welding stirring blades.

Background

At present, a worker usually places a steel pipe in the middle during welding of a stirring blade, then places blades on two sides of the steel pipe, pushes the blades inwards to enable the blades to be close to the steel pipe as far as possible, and then another worker welds the blades and the steel pipe through an electric welding machine.

In order to solve the problems that a plurality of workers are needed to operate in the manual welding mode of the stirring blade, the welding efficiency is low, and the workers are easily injured, a fixing device for welding the stirring blade, which does not need to be operated by a plurality of people, improves the welding efficiency and reduces the danger coefficient, is developed.

Disclosure of Invention

In order to overcome the defects that the prior stirring blade needs to be operated by a plurality of people, has low welding efficiency and is easy to hurt people, the technical problem is as follows: the fixing device for welding the stirring blades does not need to be operated by multiple persons, welding efficiency is improved, and workers are protected from being damaged easily.

The technical scheme is as follows: a fixing device for stirring blade welding, comprising:

the side part of the base is provided with a fixed seat, and the inside and the top of the fixed seat are provided with clamping mechanisms;

and the ejection mechanism is arranged inside the fixed seat.

Preferably, the clamping mechanism comprises:

the rotary shaft is rotatably arranged on the support part in the ejection mechanism, threaded rods are arranged at two ends of the rotary shaft, nuts are arranged in the threaded rods in a threaded connection mode, and the nuts are positioned in the fixed seat;

the handle is arranged on the side part of the rotating shaft;

the blade is placed the board, and its setting is all opened the standing groove that can supply the blade to place at the nut top of both sides on placing the board.

Preferably, the ejection mechanism includes:

the supporting seat is arranged in the center of the inside of the fixing seat, the rotating shaft is rotatably connected with the supporting seat, springs are arranged on two sides of the top of the supporting seat, supporting rods are connected to the top ends of the springs, and the rotating shaft is located between the supporting rods on two sides;

the board is placed to the arc, and the board is placed to the arc is installed to the bracing piece top rotary type of one side, and it has the spout to open on the board lateral wall is placed to the arc, and the bracing piece top and the spout sliding connection of opposite side.

Preferably, the method further comprises the following steps:

the third rotating rod is rotatably connected with the two sides of the blade placing plates at the two sides close to the arc placing plates;

the backup pad, its connection is between the third bull stick tip that both sides are close to mutually, and the backup pad top of being close to supporting seat one side is installed little supporting shoe, keeps away from the backup pad top of supporting seat one side and connects big supporting shoe, and board bottom contact is all placed with the arc to little supporting shoe and big supporting shoe.

Preferably, the method further comprises the following steps:

the blade placing plates are arranged on the two sides of the arc-shaped placing plate;

the end part of the fixed rod close to one side of the supporting seat is rotatably connected with the second rotating rod;

the connecting rods are rotatably arranged between the tail ends of the second rotating rods on the same blade placing plate;

the cross rod is rotatably connected between the middle parts of the connecting rods on the two sides, and the two sides of the middle part of the cross rod, which are close to the arc-shaped placing plate, are provided with first pressing blocks;

the second briquetting, its bilateral symmetry formula is installed in horizontal pole bottom both sides, and the board lateral part is placed to the blade that is close to second briquetting one side is provided with the dog.

Preferably, the method further comprises the following steps:

a light shielding plate installed at a side of the blade placement plate away from the stopper;

the baffle, the base both sides that are close to dog one side all are provided with the baffle, place the collecting box between the baffle of both sides.

Preferably, the method further comprises the following steps:

the arc draw-in groove, its nut lateral part of seting up in being close to handle one side, the pivot lateral part that is close to handle one side is provided with the chuck, and chuck edge evenly opens flutedly, and the recess interpolation has the bayonet lock.

The beneficial effects are that: 1. through clamping mechanism, can realize the inboard automatically move of blade, compress tightly steel pipe and blade through hold-down mechanism simultaneously, need not artifical fixed blade.

2. Through ejection mechanism, little supporting shoe and big supporting shoe, can realize that the arc is placed the board and is leaned forward automatically, makes the automatic landing of the stirring vane that the welding is good get off.

3. Through the light screen, spark and the highlight damage human body that produces when can blockking the welding, simultaneously, the collecting box can realize stirring vane's collection.

4. The rotating shaft can be fixed through the arc-shaped clamping groove, the chuck and the clamping pins, and the rotating shaft is prevented from deflecting to drive the blades to move in the welding process.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the clamping mechanism, the ejection mechanism and the pressing mechanism according to the present invention.

Fig. 3 is a schematic perspective view of the clamping mechanism, the base and the fixing base of the present invention with parts removed.

Fig. 4 is a schematic diagram of a separating structure of the ejection mechanism of the present invention.

Part names and serial numbers in the figure: the automatic clamping device comprises a base 1, a fixing seat 2, a clamping mechanism 3, a nut 31, a rotating shaft 32, a threaded rod 33, a handle 34, a blade 35 placing plate, a placing groove 36, an ejection mechanism 4, a supporting seat 41, a supporting rod 42, a spring 43, an arc 44 placing plate, a sliding groove 441, a third rotating rod 45, a supporting plate 46, a small supporting block 47, a large supporting block 48, a pressing mechanism 5, a fixed rod 51, a second rotating rod 52, a connecting rod 53, a cross rod 54, a first pressing block 55, a second pressing block 56, a stop 57, a light screen 6, a baffle 7, a collecting box 8, an arc-shaped clamping groove 9, a chuck 10 and a clamping pin 11.

Detailed Description

The technical scheme of the invention is further explained by combining the attached drawings.

Example 1

A fixing device for welding of stirring blades is shown in figure 1 and comprises a base 1, a fixed seat 2, a clamping mechanism 3 and an ejection mechanism 4, wherein the fixed seat 2 is arranged on the rear side of the base 1, the clamping mechanism 3 is arranged inside and at the top of the fixed seat 2, and the ejection mechanism 4 is arranged inside the fixed seat 2.

When stirring vane needs to be welded, firstly, the vanes are placed on the placing parts of the clamping mechanism 3, the steel pipe is placed on the part of the ejection mechanism 4, then the part of the clamping mechanism 3 is held and shaken anticlockwise, the placing parts on two sides of the clamping mechanism 3 drive the vanes to move towards the middle, when the vanes are in close contact with the steel pipe, the parts of the clamping mechanism 3 stop shaking, the vanes are welded by an electric welding machine manually, after welding is completed, the vanes are loosened and clamped manually through the clamping mechanism 3, then the rear side of the part of the ejection mechanism 4, which is provided with the steel pipe, is lifted upwards, and the welded stirring vane slides from the front side along with the stirring vane.

Example 2

Generally, as shown in fig. 1 to 4, the clamping mechanism 3 includes a nut 31, a rotating shaft 32, a threaded rod 33, a handle 34 and a blade placing plate 35, the rotating shaft 32 is rotatably mounted on the support member in the ejection mechanism 4, the threaded rods 33 are respectively disposed at two ends of the rotating shaft 32, the handle 34 is connected to the right end of the rotating shaft 32, the threaded rods 33 at two ends of the rotating shaft 32 have opposite thread directions, the nuts 31 are respectively disposed on the threaded rods 33 at two ends, the blade placing plate 35 is connected to the tops of the nuts 31 at two sides, and the blade placing plate 35 is provided with a placing groove 36.

Place the blade on board 35 is placed to the blade, put the steel pipe back on ejection mechanism 4's part, artifical anticlockwise wave handle 34, pivot 32 rotates thereupon, the nut 31 at pivot 32 both ends thereupon moves to the centre, board 35 is placed to the blade and the blade also moves to the centre, when blade and steel pipe in close contact with, stop to wave handle 34, artifical electric welding machine that uses welds steel pipe and blade, after the welding is accomplished, artifical clockwise wave handle 34, pivot 32 rotates thereupon, the nut 31 at pivot 32 both ends thereupon moves to both sides, remove the fixed to the blade, the manual work can take off the blade that welds well afterwards.

The ejection mechanism 4 comprises a supporting seat 41, a supporting rod 42, a spring 43 and an arc-shaped placing plate 44, the supporting seat 41 is installed at the center inside the fixing seat 2, the supporting seat 41 is connected with the rotating shaft 32 in a rotating mode, the spring 43 is connected to the front side and the rear side of the top of the supporting seat 41, the supporting rod 42 is connected to the tail end of the spring 43, the arc-shaped placing plate 44 is arranged on the rotating mode of the top of the supporting rod 42 on the front side, a sliding groove 441 is formed in the middle of the arc-shaped placing plate 44 in the front-inclined position, and the top of the supporting rod 42 on the rear side is connected with the sliding groove 441 in a sliding mode.

Place the blade place the board 35 on, place the steel pipe on the arc places board 44, anticlockwise wave handle 34 and make blade and steel pipe contact, after welding stirring vane and relieving its fixed, the manual work is upwards pushed up the arc and is placed board 44 bottom rear side, welded stirring vane places the board 44 front side from the arc thereupon and drops, spring 43 is stretched, loosens the arc after the stirring vane landing and places board 44, the arc is placed board 44 downstream and is reset.

Example 3

Specifically, as shown in fig. 1 to 3, the blade support device further includes a third rotating rod 45, a support plate 46, a small support block 47 and a large support block 48, the third rotating rod 45 is rotatably mounted at the front and rear ends of the right side of the left blade placing plate 35 and at the front and rear ends of the left side of the right blade placing plate 35, the support plate 46 is rotatably connected between the ends of the third rotating rods 45 at both sides, the small support block 47 is mounted at the top of the support plate 46 at the front side, the large support block 48 is mounted at the top of the support plate 46 at the rear side, and both the small support block 47 and the large support block 48 can contact with the bottom of the arc placing plate 44.

The arc-shaped placing plate 44 is in an inclined state before the welding work is not performed. When welding, firstly, the blades are placed on the blade placing plates 35, then the handle 34 is shaken anticlockwise, the blade placing plates 35 on the two sides move towards the middle, under the driving action of the third rotating rod 45, the supporting plates 46 on the two sides move downwards, the small supporting blocks 47 and the large supporting blocks 48 move downwards, the arc placing plates 44 also move downwards, the front sides of the arc placing plates 44 are firstly contacted with the fixed seat 2 and stop moving downwards, the large supporting blocks 48 continuously move downwards, so that the rear sides of the arc placing plates 44 swing downwards, when the rear sides of the arc placing plates 44 are contacted with the fixed seat 2 and stop moving downwards, the arc placing plates 44 are in a parallel state, then the steel pipes are placed on the arc placing plates 44, then the handle 34 is shaken anticlockwise continuously, the blade placing plates 35 on the two sides continue to move towards the middle, so that the steel pipes are in close contact with the blades, and then the welding work of the stirring blades can be carried out, after the welding of stirring vane is finished, handle 34 is shaken clockwise, blade placing plate 35 moves to both sides, under the drive of third bull stick 45, the backup pad 46 of both sides shifts up, after blade placing plate 35 moves a certain distance to both sides, big supporting shoe 48 contacts arc placing plate 44 bottom, the slope of arc placing plate 44, little supporting shoe 47 also contacts arc placing plate 44 bottom afterwards, the arc of slope is placed plate 44 and is begun the upward movement, the stirring vane who welds like this slips down forward, it can to stop afterwards to shake handle 34.

Still including hold-down mechanism 5, hold-down mechanism 5 includes dead lever 51, second bull stick 52, connecting rod 53, horizontal pole 54, first briquetting 55, second briquetting 56 and dog 57, left side blade is placed both ends and right side blade around the left part of board 35 and is placed dead lever 51 all installed at both ends around the right part of board 35, the right-hand member of left side dead lever 51 is equipped with second bull stick 52 with the equal rotary type in left end of right side dead lever 51, lie in and install connecting rod 53 with equal rotary type between the second bull stick 52 upper portion at both ends around the same side, equal rotary type is equipped with horizontal pole 54 between the connecting rod 53 middle part of both sides, first briquetting 55 is all installed to both sides around the horizontal pole 54 middle part, horizontal pole 54 bottom bilateral symmetry formula is equipped with second briquetting 56, the right side front end that board 35 was placed to the left side blade is equipped with dog 57.

After anticlockwise rotation handle 34, the board 35 is placed to the blade of both sides and is removed to the centre, the dead lever 51 of both sides also moves to the centre thereupon, connecting rod 53 drives horizontal pole 54 and moves down, when blade and steel pipe contact, first briquetting 55 is fixed the steel pipe, and second briquetting 56 is fixed the blade, can further improve the stability of contact between the two when like this welding stirring vane, when the blade of both sides is placed board 35 and is removed to both sides, first briquetting 55 and second briquetting 56 also reset to the upward movement thereupon.

Still including light screen 6, baffle 7 and collecting box 8, the blade of both sides is placed the board 35 rear side and is all installed light screen 6, and both sides all are equipped with baffle 7 about 1 front side of base, have placed collecting box 8 between the baffle 7 of both sides.

When the blades are in close contact with the steel pipes, the electric welder is used for welding manually, strong light and sparks generated during welding are blocked by the light shielding plate 6, the handle 34 is rotated clockwise after the stirring blades are welded, the arc-shaped placing plate 44 is inclined towards the front side, the handle 34 stops rotating, and the welded stirring blades slide forwards and fall into the collecting box 8.

The clamping device is characterized by further comprising a chuck 10 and clamping pins 11, the right portion of the right side nut 31 is provided with an arc-shaped clamping groove 9, the chuck 10 is installed on the right side of the rotating shaft 32, the edge of the chuck 10 is evenly provided with a plurality of grooves, and the clamping pins 11 are inserted in the grooves.

After the handle 34 is rotated counterclockwise, when the blade is in close contact with the steel pipe, the handle 34 stops being shaken, at this time, the groove on the chuck 10 faces the arc-shaped clamping groove 9, and the clamping pin 11 is inserted into the arc-shaped clamping groove 9, so that the nut 31 is prevented from moving when being fixed.

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 invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a stirring vane is fixing device for welding which characterized by: the method comprises the following steps:

the side part of the base (1) is provided with a fixed seat (2), and the inside and the top of the fixed seat (2) are provided with clamping mechanisms (3);

the ejection mechanism (4) is arranged inside the fixed seat (2);

the clamping mechanism (3) comprises:

the rotating shaft (32) is rotatably arranged on the inner supporting part of the ejection mechanism (4), threaded rods (33) are arranged at two ends of the rotating shaft (32), nuts (31) are arranged in the threaded rods (33) in a threaded connection mode, and the nuts (31) are positioned in the fixed seat (2);

the handle (34) is arranged on the side part of the rotating shaft (32);

the blade placing plates (35) are arranged at the tops of the nuts (31) on the two sides, and placing grooves (36) for placing the blades are formed in the blade placing plates (35);

the ejection mechanism (4) includes:

the supporting seat (41) is arranged in the center of the inside of the fixing seat (2), the rotating shaft (32) is rotatably connected with the supporting seat (41), springs (43) are arranged on two sides of the top of the supporting seat (41), supporting rods (42) are connected to the top ends of the springs (43), and the rotating shaft (32) is located between the supporting rods (42) on two sides;

the arc-shaped placing plate (44) is rotatably mounted at the top of the supporting rod (42) at one side, a sliding groove (441) is formed in the side wall of the arc-shaped placing plate (44), and the top of the supporting rod (42) at the other side is in sliding connection with the sliding groove (441);

also includes:

the third rotating rod (45) is rotatably connected with the third rotating rod (45) at both sides of the blade placing plate (35) at both sides close to the arc placing plate (44);

the supporting plate (46) is connected between the end parts of the third rotating rods (45) close to the two sides, a small supporting block (47) is installed at the top of the supporting plate (46) close to one side of the supporting seat (41), a large supporting block (48) is connected to the top of the supporting plate (46) far away from one side of the supporting seat (41), and the small supporting block (47) and the large supporting block (48) are both contacted with the bottom of the arc-shaped placing plate (44);

also includes:

the fixing rods (51) are arranged on both sides of the blade placing plates (35) on the two sides far away from the arc placing plate (44);

the end part of the fixed rod (51) close to one side of the supporting seat (41) of the second rotating rod (52) is rotatably connected with the second rotating rod (52);

the connecting rod (53) is rotatably arranged between the tail ends of the second rotating rods (52) on the same blade placing plate (35);

the cross rod (54) is rotatably connected between the middle parts of the connecting rods (53) at the two sides, and first pressing blocks (55) are arranged at the two sides of the middle part of the cross rod (54) close to the arc-shaped placing plate (44);

and the second pressing blocks (56) are arranged on two sides of the bottom of the cross rod (54) in a bilateral symmetry mode, and the side part of the blade placing plate (35) close to one side of the second pressing blocks (56) is provided with a stop block (57).

2. The stirring blade welding fixture as set forth in claim 1, wherein: also includes:

a light shielding plate (6) mounted on the side of the blade placement plate (35) on the side away from the stopper (57);

the baffle (7) is arranged on each of two sides of the base (1) close to one side of the stop block (57), and the collecting box (8) is placed between the baffles (7) on the two sides.

3. The stirring blade welding fixture as set forth in claim 2, wherein: also comprises:

the arc-shaped clamping groove (9) is formed in the side portion, close to the handle (34), of the nut (31), the side portion, close to the rotating shaft (32) on one side of the handle (34), of the chuck (10) is arranged, grooves are uniformly formed in the edge of the chuck (10), and clamping pins (11) are inserted in the grooves.