CN210413197U

CN210413197U - Special tool for fixed-size welding of thin-wall ring

Info

Publication number: CN210413197U
Application number: CN201920718061.XU
Authority: CN
Inventors: 张侃
Original assignee: JIANGXI HONGDU PRECISION MACHINERY CO Ltd
Current assignee: JIANGXI HONGDU PRECISION MACHINERY CO Ltd
Priority date: 2019-05-20
Filing date: 2019-05-20
Publication date: 2020-04-28
Anticipated expiration: 2029-05-20

Abstract

The utility model discloses a thin wall ring scaling-off welded special frock, including the holding ring, be provided with the holding ring step on the holding ring, be provided with the connecting seat on the holding ring step inside wall, the connecting seat runs through and is equipped with the round pin axle, and the epaxial one end that rotates and be equipped with the depression bar of round pin is provided with the handle between the other end of depression bar, still is provided with the connecting plate between the depression bar, runs through on the connecting plate and is equipped with waist type groove, is provided with the eccentric wheel on the holding ring that is located the depression bar below, is provided with the screw rod in the eccentric wheel perpendicularly, and the. The utility model discloses the location that distributes on 4 positions of circumference compresses tightly, both radially makes to be welded the part and hugs closely standard positioning circle through the eccentric wheel effect, reaches the required diameter of ideal, again compresses tightly the part through the clamp plate in the axial, makes it difficult emergence level distortion in welding process, reaches quick scaling-off, and effective clamping part prevents that the welding from producing the deformation to effectively improve the purpose of material rate of utilization.

Description

Special tool for fixed-size welding of thin-wall ring

Technical Field

The utility model relates to a machining technology belongs to positioning welding's auxiliary assembly, in particular to thin wall ring scaling-off welded special frock.

Background

A thin-walled ring part is a ring with a diameter of 775mm, a height of 25mm and a wall thickness of only 6 mm. In order to manufacture the part, the original process designs a thin-wall cylinder turning clamp with a rigid inner support which can be cut to complete the manufacture of the part. However, the thin-wall cylindrical part has large volume, so that the efficiency is low when the cylindrical part is turned and cut into a belt ring, and the labor and the materials are wasted. In order to change the current situation, a process method that a belt material with fixed height, fixed thickness and fixed perimeter is rolled and bent into a circle, then the belt material is welded into a circle, and then the circle is corrected is adopted. Because the height and the thickness of the thin-wall ring part are consistent with the requirements of the part, the diameter of the thin-wall ring part can be realized by fixing the length of the strip according to the calculated perimeter of the diameter of the thin-wall ring part, so that the manufacturing requirements of roll bending and forming of the strip with fixed height, fixed thickness and fixed perimeter are met, the material is greatly saved, and the efficiency is improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a special frock of thin wall ring scaling-off welded, includes the holding ring, be provided with the holding ring step on the holding ring, be provided with the connecting seat on the holding ring step inside wall, the connecting seat both ends all run through and are equipped with the round pin axle, the epaxial one end that rotates and be equipped with the depression bar of selling, be provided with the handle between the other end of depression bar, still be provided with the connecting plate between the depression bar, run through on the connecting plate and be equipped with waist type groove, be provided with the eccentric wheel on the holding ring that is located the depression bar below, be provided with the screw rod in the eccentric wheel perpendicularly, the screw rod includes screw rod, well screw rod, last screw rod down, the screw rod is located the eccentric wheel, the empty cover.

Preferably, the eccentric wheel comprises a handle, and the handle is parallel to the horizontal plane and is vertical to the eccentric wheel.

Preferably, the number of the connecting seats is 4-6.

Preferably, the two end heads of the pin shaft are provided with cotter pins.

Preferably, the eccentric wheel is made of nylon.

Preferably, the positioning ring and the positioning ring step are both arranged in a hollow manner.

Preferably, the cross section of the connecting seat is square.

Preferably, the lower surface of the pressure rod is flush with the upper surface of the positioning ring.

Preferably, the positioning ring is further provided with a groove.

Preferably, the groove is provided with a square cross section.

The utility model has the advantages that

(1) The utility model discloses the location that distributes on 4 positions of circumference compresses tightly, both radially makes to be welded the part and hugs closely standard positioning circle through the eccentric wheel effect, reaches the required diameter of ideal, again compresses tightly the part through the clamp plate in the axial, makes it difficult emergence level distortion in welding process, reaches quick scaling-off, and effective clamping part prevents that the welding from producing the deformation to effectively improve the purpose of material rate of utilization.

(2) The utility model discloses the eccentric wheel adopts the nylon preparation, and rotatory in-process can not produce the damage to the ring surface to product quality has been guaranteed.

(3) The utility model discloses set up the recess and solve and dismantle complicated problem after the welding finishes, simple structure, convenient to use, suitable popularization.

Drawings

FIG. 1 is a schematic view of a structure of a part to be machined;

FIG. 2 is a sectional view taken along line A-A in FIG. 1;

fig. 3 is a schematic structural view of the tool main body of the present invention;

FIG. 4 is a sectional view taken along line B-B of FIG. 3;

FIG. 5 is a schematic structural view of the connecting plate of the present invention;

fig. 6 is a schematic structural view of the screw rod 19 of the present invention;

fig. 7 is a sectional view taken along line D-D in fig. 3.

Description of reference numerals: 10-a positioning ring, 11-a connecting seat, 12-a pin shaft, 13-a split pin, 14-a screw, 15-a compression bar, 16-a connecting plate, 17-a nut, 18-an eccentric wheel, 19-a screw, 191-a lower screw, 192-a middle screw, 193-an upper screw, 20-a copper sleeve, 21-a handle, 22-a kidney-shaped groove, 24-a groove, 25-a positioning ring step, 26-a handle, 100-a ring part, 101-a ring upper surface, 102-a ring inner surface, 103-a ring lower surface, and 104-a ring outer surface.

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.

Example 1

As shown in fig. 1 to 7, a special tool for welding a thin-wall ring in a fixed-size manner comprises a positioning ring 10, wherein a positioning ring step 25 is arranged on the positioning ring 10, the positioning ring 10 and the positioning ring step 25 are both hollow, the hollow arrangement is convenient for reducing the overall weight of the utility model, the carrying and moving are convenient, and the positioning ring step 25 is convenient for positioning the size of a part; the inner side wall of the positioning ring step 25 is provided with 4 connecting seats 11, the cross section of each connecting seat 11 is square, each connecting seat 11 is provided with a pin shaft 12 in a penetrating manner, two ends of each pin shaft 12 are rotatably provided with one end of a pressing rod 15, and each pressing rod 15 is turned over through the corresponding pin shaft 12 to press a part, so that the part corner is prevented from being deformed due to protrusion in the welding process; the connecting device is characterized in that split pins 13 are arranged at two end heads of the pin shaft 12, the split pins 13 are arranged to prevent the pin shaft 12 from loosening on the connecting seat 11, a handle 26 is arranged between the other ends of the compression rods 15, the handle 26 is convenient for opening and closing the compression rods 15, the lower surface of the compression rods 15 is flush with the upper surface of the positioning ring 10, a connecting plate 16 is also arranged between the compression rods 15, a waist-shaped groove 22 is formed in the connecting plate 16 in a penetrating mode, an eccentric wheel 18 is arranged on the positioning ring 10 below the compression rods 15, the eccentric wheel 18 is made of nylon, and the outer surface of the ring cannot be damaged in; the screw rod 19 is vertically arranged in the eccentric wheel 18, the screw rod 19 comprises a lower screw rod 191, a middle screw rod 192 and an upper screw rod 193, the lower screw rod 191 is located in the eccentric wheel 18, a copper sleeve 20 is sleeved on the upper portion of the lower screw rod 191, the middle screw rod 192 is matched with a waist-shaped groove 22 in the connecting plate 16, and the screw rod 19 can be prevented from rotating after being clamped.

Example 2

As shown in fig. 1 to 7, the present embodiment is further optimized based on embodiment 1, specifically, the number of the connecting seats 11 is set to be 5.

This embodiment makes each corner atress of part even through the quantity that increases connecting seat 11, makes it steadily go on in the welding process, prevents that the uneven individual corner of atress from having the arch to lead to the product to warp.

Example 3

As shown in fig. 1 to 7, the present embodiment is further optimized based on embodiment 2, specifically, the number of the connecting seats 11 is set to 6; the positioning ring 10 is further provided with a groove 24, and the cross section of the groove 24 is square.

In the embodiment, the number of the connecting seats 11 is further increased, so that each corner of the part is stressed uniformly and fixed in the welding process, and the quality of the product is further ensured; by arranging the groove 24, the part can be conveniently taken out after welding is finished.

Principle of operation

The utility model relates to a thin wall ring scaling-off welded special frock, in using, as shown in FIG. 2, FIG. 3 and FIG. 4, holding ring step 25 and ring internal surface 102 size phase-match, ring part 100 cover after the roll bending is on holding ring step 25, depression bar 15's lower surface and ring upper surface 101 contact, compress tightly depression bar 15 back, let ring lower surface 103 paste with holding ring 10 all the time and lean on, pull handle 21, eccentric wheel 18 presss from both sides tight ring surface 104, guarantee that ring internal surface 102 and holding ring step 25 laminate all the time, thereby the size has been guaranteed, and the part can not produce the deformation in welding process, eccentric wheel 18 is by the nylon preparation, can not produce the damage to ring surface 104 in the rotation process, thereby product quality has been guaranteed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The special tool for welding the thin-wall ring in the fixed size is characterized by comprising a positioning ring (10), wherein a positioning ring step (25) is arranged on the positioning ring (10), a connecting seat (11) is arranged on the inner side wall of the positioning ring step (25), a pin shaft (12) is arranged on the connecting seat (11) in a penetrating manner, one end of a pressure rod (15) is arranged at the two ends of the pin shaft (12) in a rotating manner, a handle (26) is arranged between the other ends of the pressure rod (15), a connecting plate (16) is further arranged between the pressure rods (15), a waist-shaped groove (22) is arranged on the connecting plate (16) in a penetrating manner, an eccentric wheel (18) is arranged on the positioning ring (10) below the pressure rod (15), a screw rod (19) is vertically arranged in the eccentric wheel (18), and the screw rod (19) comprises, the lower screw rod (191) is positioned in the eccentric wheel (18), a copper sleeve (20) is sleeved on the upper portion of the lower screw rod (191), and the middle screw rod (192) is matched with a waist-shaped groove (22) in the connecting plate (16).

2. Tool specific for sizing welding of thin-walled rings, according to claim 1, characterized in that said eccentric (18) comprises a handle (21), said handle (21) being arranged parallel to the horizontal plane and perpendicular to the eccentric (18).

3. The tooling special for the sizing welding of thin-walled rings according to claim 1, characterized in that the number of the connecting seats (11) is 4-6.

4. The special tool for sizing welding of the thin-wall ring as claimed in claim 1, wherein the pin shaft (12) is provided with split pins (13) at the end heads at both ends.

5. Special tooling for sizing welding of thin-walled rings according to any of claims 1 to 4, characterized in that the eccentric wheel (18) is made of nylon.

6. The special tool for sizing and welding the thin-wall ring according to claim 1, wherein the positioning ring (10) and the positioning ring step (25) are both hollow.

7. A tool specific for sizing welding of thin-walled rings according to claim 3, characterized in that the connecting seat (11) is provided with a square cross section.

8. The tool special for sizing and welding the thin-walled ring as claimed in claim 7, wherein the lower surface of the pressure rod (15) is flush with the upper surface of the positioning ring (10).

9. Tool special for sizing welding of thin-walled rings according to claim 6, characterized in that the positioning ring (10) is also provided with a groove (24).

10. Tool specific for sizing welding of thin-walled rings according to claim 9, characterized in that the cross section of the groove (24) is provided as a square.