CN112025077A - A device for adjusting the advancing angle of a friction stir welding spindle - Google Patents

Abstract

The invention relates to the technical field of adjusting devices, in particular to a device for adjusting the advancing angle of a main shaft of friction stir welding, which comprises an installation seat, a partition plate, a shaft seat and a shaft body, wherein the partition plate is fixedly arranged on two sides of the bottom end of the installation seat, the shaft seat is sleeved in the installation seat, the top end of the inner part of the shaft seat is connected with the shaft body through a fixing mechanism, an adjusting mechanism is arranged between the partition plate and the shaft seat, the adjusting mechanism comprises a pressure groove, the bottom ends of two sides of the shaft seat are provided with pressure grooves, the upper end and the lower end of the inner part of each pressure groove are provided with sliding grooves, the inner parts of the sliding grooves are all slidably. The invention improves the usability and the practicability, and effectively prevents the problems of very complicated operation, need of tightness of a plurality of groups of bolts and inconvenience for adjustment during operation.

Description

A device for adjusting the advancing angle of a friction stir welding spindle

technical field

The invention relates to the technical field of adjustment devices, in particular to a device for adjusting the advancing angle of a friction stir welding spindle.

Background technique

During friction stir welding, the main shaft needs to have a certain advancing angle. A suitable advancing angle is beneficial to eliminate welding defects and improve the service life of the stirring head. When welding different products, different processes have different advancing angles, so it needs to be adjusted frequently Advance angle, the existing friction stir welding spindle advance angle adjustment device has various functions and realizes diversification. Therefore, it can be seen that the existing friction stir welding spindle advance angle adjustment device has met the needs of people, but there are still The following questions.

The existing friction stir welding spindle advance angle adjustment device is generally a threaded adjustment mechanism. When adjusting, it is necessary to tighten the bolts, adjust the rotation of the main shaft, and then tighten the bolts again to fix the main shaft. , the operation is very cumbersome, and multiple groups of bolts need to be tightened, which is inconvenient to adjust, and reduces the ease of use and practicability. Therefore, a new type of friction stir welding spindle advance angle adjustment device is urgently needed to solve the above problems.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a device for adjusting the advancing angle of the main shaft of friction stir welding, so as to solve the problem of inconvenient adjustment in the above-mentioned background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: a friction stir welding main shaft advancing angle adjustment device, comprising a mounting seat, a partition, a shaft seat and a shaft body, and a partition is fixedly installed on both sides of the bottom end of the mounting seat , a shaft seat is sleeved inside the mounting seat, the inner top of the shaft seat is connected with a shaft body through a fixing mechanism, an adjustment mechanism is arranged between the partition plate and the shaft seat, the adjustment mechanism includes a pressure groove, the The bottom ends of both sides of the shaft seat are provided with pressure grooves, and the upper and lower ends of the inside of the pressure groove are provided with sliding grooves. The sliding grooves are slidably connected with sliding blocks, and the side of the sliding blocks close to the pressure grooves is welded to the bottom of the pressure plate. At the upper and lower ends, a spring is welded on the side of the pressure plate close to the shaft seat, and the side of the spring away from the pressure plate is welded on the inner wall of the pressure groove, the upper and lower ends of the pressure plate on the side away from the shaft seat are welded with limit blocks, and the pressure plate is welded with limit blocks. A pressing rod is fixedly installed at an intermediate position on the side away from the shaft body, and the side of the pressing rod far from the pressing plate extends through the partition plate to the outer surface of the partition plate.

Preferably, the side of the baffle plate close to the shaft body is movably connected to the shaft seat through a bearing, and the inside of the mounting seat is provided with a letting groove that cooperates with the shaft seat.

Preferably, the side of the baffle plate close to the shaft body is provided with limit grooves, and there are eighteen groups of the limit grooves. The limit block and the limit slot are engaged with each other.

Preferably, the fixing mechanism includes a fixing sleeve, a fixing sleeve is sleeved on the outer top end of the shaft seat, and a clamping rod is fixedly installed on the left side of the inner fixed sleeve, and the left top end of the shaft body is provided with a clamping rod to engage with each other. The upper end of the right side of the shaft seat is movably connected with a screw rod through a bearing, and the right side of the screw rod extends through the fixing sleeve to the outer surface of the fixing sleeve, and the fixing sleeve and the screw rod are threadedly connected.

Preferably, a limit rod is sleeved on the inner right side of the fixing sleeve, and the left side of the limit rod is fixedly installed on the outer wall of the axle seat.

Preferably, a friction block is fixedly installed on the right side of the clamping rod, and the friction block is designed in a sawtooth shape, and the friction block and the clamping groove are fitted with each other.

Compared with the prior art, the beneficial effects of the present invention are:

1. The friction stir welding spindle advancing angle adjustment device is provided with a pressure plate, a spring, a limit block, a limit groove and a pressure rod. When adjusting, first press the pressure rod, so that the pressure plate moves to the inside and squeezes the spring. , the spring is elastically deformed, the limit block is removed from the limit groove, the limit of the shaft body is released, and then it rotates under the bearing to adjust the angle of the shaft body. When the adjustment is completed, release The pressure rod, under the action of the elastic restoring force, the limit block and the limit groove are engaged with each other again, which improves the ease of use and practicability, and effectively prevents the operation from being very cumbersome during operation. The problem of tightness and inconvenience of adjustment.

2. The friction stir welding spindle advancing angle adjustment device is provided with a fixed sleeve, a clamping rod, a clamping groove and a screw rod. When the shaft body is to be replaced, firstly rotate the screw rod under the action of threaded connection, and the fixed sleeve moves to the left. It moves so that the clamping rod is removed from the interior of the clamping slot, and then the shaft body is pulled out to replace the main shaft, which improves the ease of use and practicability, and effectively prevents the shaft body from being damaged under long-term use. When replacing, most of the shafts are removed with bolts, which is inconvenient for replacement.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.

Fig. 1 is the front view sectional structure schematic diagram of the present invention;

Fig. 2 is the enlarged schematic diagram of the structure at place A in Fig. 1 of the present invention;

Fig. 3 is the partial side view structure schematic diagram of the partition plate and the limiting groove of the present invention;

FIG. 4 is an enlarged schematic view of the structure at B in FIG. 1 of the present invention.

In the figure: 1. Mounting seat; 2. Baffle plate; 3. Shaft seat; 4. Shaft body; 51, Pressure groove; 52, Chute; 53, Slider; 54, Pressure plate; block; 57, limit slot; 58, pressure rod; 61, fixed sleeve; 62, clamp rod; 63, clamp slot; 64, screw rod; 65, limit rod.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to FIGS. 1-4 , an embodiment provided by the present invention: a device for adjusting the advancing angle of a friction stir welding spindle, comprising a mounting seat 1 , a partition 2 , a shaft seat 3 and a shaft body 4 , and two bottom ends of the mounting seat 1 A partition 2 is fixedly installed on both sides, a shaft seat 3 is sleeved inside the mounting seat 1, and the inner top of the shaft seat 3 is connected with a shaft body 4 through a fixing mechanism. Including a pressure groove 51, the bottom ends of the two sides of the shaft seat 3 are provided with a pressure groove 51, and the upper and lower ends of the inside of the pressure groove 51 are provided with a sliding groove 52, and the sliding groove 52 is slidably connected with a sliding block 53, and the sliding block 53 The side close to the pressure groove 51 is welded to the upper and lower ends of the pressure plate 54, the side of the pressure plate 54 close to the shaft seat 3 is welded with a spring 55, and the side of the spring 55 away from the pressure plate 54 is welded to the inner wall of the pressure groove 51, and the pressure plate 54 is far away from the shaft. The upper and lower ends of one side of the seat 3 are welded with limit blocks 56, and a pressure rod 58 is fixedly installed at the middle position of the pressure plate 54 away from the shaft body 4, and the side of the pressure rod 58 away from the pressure plate 54 extends through the partition plate 2 to the outer surface of the partition 2.

The side of the partition plate 2 close to the shaft body 4 is movably connected with the shaft seat 3 through a bearing, and the mounting seat 1 is provided with a relinquishment groove that cooperates with the shaft seat 3. The rotation angle can be adjusted to improve ease of use and practicality.

The side of the partition plate 2 close to the shaft body 4 is provided with a limit slot 57, and the limit slot 57 is provided with eighteen groups. The eighteen groups of limit slots 57 are uniformly opened on the outer wall of the partition plate 2 in a ring shape with the spring 55 as the center of the circle. The position block 56 and the limit groove 57 are engaged with each other, and under the action of the limit groove 57, it is convenient to fix the adjustment angle and improve the stability.

The fixing mechanism includes a fixing sleeve 61 , a fixing sleeve 61 is sleeved on the outer top end of the shaft base 3 , and a clamping rod 62 is fixedly installed on the left inside the fixing sleeve 61 , and a clamping rod 62 is provided on the top left side of the shaft body 4 . In the groove 63, the top right end of the shaft seat 3 is movably connected with a screw rod 64 through a bearing, and the right side of the screw rod 64 extends through the fixing sleeve 61 to the outer surface of the fixing sleeve 61. The fixing sleeve 61 and the screw rod 64 are threadedly connected. It is convenient to replace and fix the shaft body 4, which improves the usability and practicability.

A limit rod 65 is sleeved on the inner right side of the fixed sleeve 61, and the left side of the limit rod 65 is fixedly installed on the outer wall of the axle base 3. Under the action of the limit rod 65, the fixed sleeve 61 can remain stable when moving. .

A friction block is fixedly installed on the right side of the clamping rod 62, and the friction block is designed in a serrated shape. The friction block and the clamping groove 63 fit each other. Under the action of the friction block, when the shaft body 4 is fixed, the stability is improved. sex.

Working principle: When adjusting, first press the pressure rod 58, so that the pressure plate 54 moves to the inside, and the spring 55 is squeezed, the spring 55 is elastically deformed, and the limit block 56 is removed from the limit slot 57. The limit of the shaft body 4 is released, and then it is rotated under the bearing to adjust the angle of the shaft body 4. When the adjustment is completed, the pressure rod 58 is released, and under the action of the elastic restoring force, the limit block 56 is once again. Interlock with the limiting groove 57;

When the shaft body 4 is to be replaced, firstly, screw the screw 64 under the action of threaded connection, the fixing sleeve 61 moves to the left side, so that the clamping rod 62 is moved out from the clamping groove 63, and then the shaft body 4 is moved to the left. Pull out to replace the spindle, and the operation ends.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments are to be regarded in all respects as illustrative and not restrictive, and the scope of the invention is to be defined by the appended claims rather than the foregoing description, which are therefore intended to fall within the scope of the claims. All changes within the meaning and range of the equivalents of , are included in the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

Claims (6)

1. The utility model provides a friction stir welding main shaft angle of advance adjusting device, includes mount pad (1), baffle (2), axle bed (3) and axis body (4), mount pad (1) bottom both sides all fixed mounting have baffle (2), the inside cover of mount pad (1) is equipped with axle bed (3), its characterized in that: the top end of the inside of the shaft seat (3) is connected with a shaft body (4) through a fixing mechanism, an adjusting mechanism is arranged between the partition plate (2) and the shaft seat (3), the adjusting mechanism comprises a pressing groove (51), the bottom ends of the two sides of the shaft seat (3) are provided with the pressing groove (51), the upper end and the lower end of the inside of the pressing groove (51) are both provided with a sliding groove (52), the inside of the sliding groove (52) is both connected with a sliding block (53) in a sliding manner, one side of the sliding block (53) close to the pressing groove (51) is welded at the upper end and the lower end of a pressing plate (54), one side of the pressing plate (54) close to the shaft seat (3) is welded with a spring (55), one side of the spring (55) far away from the pressing plate (54) is welded at the inner wall of the pressing groove (51), the upper end and the lower end of the pressing plate (54), one side of the pressure rod (58) far away from the pressure plate (54) penetrates through the partition plate (2) and extends to the outer surface of the partition plate (2).

2. The apparatus of claim 1, wherein the main shaft advancing angle adjusting means comprises: one side of the partition plate (2) close to the shaft body (4) is movably connected with the shaft seat (3) through a bearing, and a yielding groove matched with the shaft seat (3) is formed in the mounting seat (1).

3. The apparatus of claim 1, wherein the main shaft advancing angle adjusting means comprises: spacing groove (57) have been seted up to one side that baffle (2) are close to axis body (4), and spacing groove (57) have been seted up eighteen group, eighteen group spacing groove (57) use spring (55) to be the annular and evenly set up at baffle (2) outer wall as the centre of a circle, stopper (56) and spacing groove (57) block each other.

4. The apparatus of claim 1, wherein the main shaft advancing angle adjusting means comprises: fixed establishment is including fixed cover (61), the outside top cover of axle bed (3) is equipped with fixed cover (61), and fixed cover (61) inside left side fixed mounting have kelly (62), draw-in groove (63) with the mutual block of kelly (62) are seted up on axis body (4) left side top, there is screw rod (64) on axle bed (3) right side top through bearing swing joint, and screw rod (64) right side runs through the surface that fixed cover (61) extended to fixed cover (61), fixed cover (61) and screw rod (64) are threaded connection.

5. The apparatus of claim 4, wherein the main shaft advancing angle adjusting means comprises: the right side of the inner part of the fixed sleeve (61) is sleeved with a limiting rod (65), and the left side of the limiting rod (65) is fixedly installed on the outer wall of the shaft seat (3).

6. The apparatus of claim 4, wherein the main shaft advancing angle adjusting means comprises: the right side fixed mounting of kelly (62) has the clutch blocks, and the clutch blocks is the cockscomb structure design, clutch blocks and draw-in groove (63) laminate each other.

Images