阅读说明：本技术 一种用于加工金属圆筒的成形固定装置和圆筒加工方法 (Forming and fixing device for machining metal cylinder and cylinder machining method ) 是由 肖悦生 于 2021-08-24 设计创作，主要内容包括：本发明公开了一种用于加工金属圆筒的成形固定装置及加工金属圆筒的方法,所述装置包括操作平台、外定位块、内定位块、成形套环、套环肋板和内部顶紧架,外定位块紧邻待加工金属圆筒的外壁固定设置于操作平台上；内定位块紧邻待加工金属圆筒的内壁固定设置于操作平台上；成形套环的圆弧上设置有定位孔,套环肋板穿过定位孔设置于成形套环上,套环肋板的内边与圆筒的外壁贴紧；内部顶紧架包括多个交叉设置的顶紧杆、固定设置在顶紧杆外侧的顶紧板、底端设置在操作平台上用于支撑顶紧杆的支撑架,顶紧板紧邻待加工金属圆筒的内壁设置。本发明实现了圆筒加工圆度的精确度、可靠性,操作简便,工作效率高,可应用于钢模板、钢烟囱、钢漏斗的成形固定。(The invention discloses a forming fixing device for processing a metal cylinder and a method for processing the metal cylinder, wherein the device comprises an operation platform, an outer positioning block, an inner positioning block, a forming lantern ring, a lantern ring rib plate and an inner tightening frame, wherein the outer positioning block is fixedly arranged on the operation platform adjacent to the outer wall of the metal cylinder to be processed; the inner positioning block is fixedly arranged on the operating platform close to the inner wall of the metal cylinder to be processed; the circular arc of the forming lantern ring is provided with a positioning hole, a lantern ring rib plate penetrates through the positioning hole and is arranged on the forming lantern ring, and the inner edge of the lantern ring rib plate is tightly attached to the outer wall of the cylinder; the inner tightening frame comprises a plurality of tightening rods arranged in a crossed mode, a tightening plate fixedly arranged on the outer side of the tightening rods, and a support frame arranged at the bottom end of the tightening plate and used for supporting the tightening rods on the operating platform, and the tightening plate is close to the inner wall of the metal cylinder to be processed. The invention realizes the accuracy and reliability of the circular degree of the cylinder processing, has simple and convenient operation and high working efficiency, and can be applied to the forming and fixing of steel templates, steel chimneys and steel funnels.)

1. A forming fixing device for processing a metal cylinder is characterized by comprising an operation platform, a plurality of outer positioning blocks, a plurality of inner positioning blocks, at least one forming lantern ring, a plurality of lantern ring rib plates and an inner tightening frame, wherein the plurality of outer positioning blocks are fixedly arranged on the operation platform next to the outer wall of the metal cylinder to be processed; the plurality of inner positioning blocks are fixedly arranged on the operating platform close to the inner wall of the metal cylinder to be processed; a plurality of positioning holes are formed in the circular arc of the forming lantern ring, the lantern ring rib plate penetrates through the positioning holes, the upper edge of the lantern ring rib plate is fixedly arranged on the forming lantern ring, and the inner edge of the lantern ring rib plate is tightly attached to the outer wall of the metal cylinder to be processed; the inner tightening frame comprises a plurality of tightening rods arranged in a crossed mode, a tightening plate fixedly arranged on the outer side of the tightening rods, and a support frame with the bottom end arranged on the operating platform and used for supporting the tightening rods, wherein the tightening plate is close to the inner wall of the metal cylinder to be processed.

2. The forming fixture for machining a metal cylinder according to claim 1, wherein the plurality of outer locating blocks are uniformly arranged on the operating platform along an arc of an outer wall of the metal cylinder to be machined; the inner positioning blocks are uniformly arranged on the operation platform along the arc of the inner wall of the metal cylinder to be processed.

3. The forming fixture for machining a metal cylinder of claim 1, wherein the plurality of locating holes are evenly positioned along an arc of the forming collar.

4. A forming fixture for processing metal cylinders as claimed in claim 1, wherein said collar ribs are right trapezoidal with the hypotenuse down and the longer base inward.

5. A forming fixture for processing a metal cylinder as recited in claim 1, wherein said collar rib inner edges are welded to the outer wall of the metal cylinder to be processed.

6. The forming fixture for processing metal cylinders of claim 1, wherein said tightening rod comprises 3 vertical rods arranged in parallel and 1 cross rod perpendicular to the vertical rods, said cross rods being fixedly cross-connected to the 3 vertical rods, respectively.

7. A forming fixture for processing a metal cylinder as claimed in any one of claims 1, wherein said operation platform is a steel plate operation platform.

8. A method of machining a metal cylinder using a forming fixture for machining a metal cylinder according to any one of claims 1 to 7, comprising the steps of:

step 1: clamping the bottom end of the first metal cylinder

Firstly, spot welding is carried out on the longitudinal splicing position of a first metal cylinder, so that the longitudinal splicing position of the first metal cylinder is preliminarily fixed, then the first metal cylinder is vertically placed on an operation platform, an outer positioning block is arranged on the operation platform along the circumference of the outer wall of the first metal cylinder, and an inner positioning block is arranged on the operation platform along the circumference of the inner wall of the first metal cylinder;

the outer positioning block and the inner positioning block are welded and fixed on the operating platform, and the first metal cylinder is tightly propped and fixed between the inner positioning block and the outer positioning block;

step 2: internal support of a first metal cylinder

Placing a tightening frame into the fixed first metal cylinder, wherein a support frame of the tightening frame is vertically arranged on an operation platform, a tightening rod of the tightening frame is horizontally arranged on the operation platform, and a tightening plate of the tightening frame is arranged close to the inner wall of the first metal cylinder;

and step 3: welding a first metal cylinder

Welding the longitudinal splicing part of the first metal cylinder with the mounted jacking frame;

and 4, step 4: externally supporting a first metal cylinder

Sleeving a forming lantern ring with a lantern ring rib plate outside a first metal cylinder to enable the circle center of the first metal cylinder to coincide with the circle center of the forming lantern ring, adjusting the positions of the lantern ring rib plates to enable the inner edges of all lantern ring rib plates to be in contact with and clamped with the outer wall of the first metal cylinder, welding and fixing the upper edges of the lantern ring rib plates and the lantern ring, and fixing the inner edges of the lantern ring rib plates and the outer wall of the first metal cylinder in a spot welding manner;

and 5: circumferential welding of metal cylinders

Firstly, detaching a first metal cylinder from an operation platform, detaching a puller frame tightly propped inside the first metal cylinder, then preparing a second metal cylinder according to the method in the step 1-4, finally placing the first metal cylinder on the top end of the second metal cylinder, overlapping and splicing the bottom surface circumference of the first metal cylinder and the top surface circumference of the first metal cylinder, completing the welding of the spliced parts of the two circumferences, detaching the processed and formed metal cylinder from the operation platform, and detaching the puller frame inside the metal cylinder and the forming lantern ring outside the metal cylinder to obtain the processed metal cylinder.

9. The method of claim 8, wherein the step 1 comprises spot welding the longitudinal joint of the first metal cylinder at a top end and a bottom end of the joint.

10. The method of claim 8, wherein the tightening rod of the tightening frame is located at a half of the longitudinal height of the first metal cylinder; the formed lantern ring with the lantern ring rib plate is sleeved on the upper third part of the first metal cylinder.

Technical Field

The invention relates to a mechanical processing fixing device and a mechanical processing method, in particular to a forming fixing device for processing a metal cylinder and a cylinder processing method.

Background

In the prior art, a metal cylinder is usually made by rolling a steel plate and then supported and tightened by a cross tightening rod for welding. However, the method of positioning and forming the cross brace has the following problems: the coiled steel cylinder is easy to form an oval shape in the positioning process, or the opening of the cylinder is outwards expanded into a horn cylinder, the roundness deviation is large, particularly, the higher multi-section cylinder jacking effect is poorer, and the technical problems cannot be solved in the prior art.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides a forming fixing device for processing a metal cylinder, which specifically comprises:

a forming fixing device for processing a metal cylinder is characterized by comprising an operation platform, a plurality of outer positioning blocks, a plurality of inner positioning blocks, at least one forming lantern ring, a plurality of lantern ring rib plates and an inner tightening frame, wherein the plurality of outer positioning blocks are fixedly arranged on the operation platform next to the outer wall of the metal cylinder to be processed; the plurality of inner positioning blocks are fixedly arranged on the operating platform close to the inner wall of the metal cylinder to be processed; a plurality of positioning holes are formed in the circular arc of the forming lantern ring, the lantern ring rib plate penetrates through the positioning holes, the upper edge of the lantern ring rib plate is fixedly arranged on the forming lantern ring, and the inner edge of the lantern ring rib plate is tightly attached to the outer wall of the metal cylinder to be processed; the inner tightening frame comprises a plurality of tightening rods arranged in a crossed mode, a tightening plate fixedly arranged on the outer side of the tightening rods, and a support frame with the bottom end arranged on the operating platform and used for supporting the tightening rods, wherein the tightening plate is close to the inner wall of the metal cylinder to be processed.

Specifically, the outer positioning blocks are uniformly arranged on the operating platform along the arc of the outer wall of the metal cylinder to be processed; the inner positioning blocks are uniformly arranged on the operation platform along the arc of the inner wall of the metal cylinder to be processed.

Specifically, the positioning holes are uniformly arranged along the circular arc of the forming sleeve ring.

Specifically, the lantern ring rib plates are right-angled trapezoids with the inclined edges downward and the longer bottom edges inward.

Specifically, the inner edges of the collar ribs are welded to the outer wall of the metal cylinder to be processed.

Specifically, the tightening rod comprises 3 vertical rods arranged in parallel and 1 transverse rod perpendicular to the vertical rods, and the transverse rods are respectively and fixedly connected with the 3 vertical rods in a cross mode.

Specifically, the operating platform is a steel plate operating platform.

The invention also discloses a method for processing the metal cylinder by using the forming and fixing device for processing the metal cylinder, which comprises the following steps:

step 1: clamping the bottom end of the first metal cylinder

Firstly, spot welding is carried out on the longitudinal splicing position of a first metal cylinder, so that the longitudinal splicing position of the first metal cylinder is preliminarily fixed, then the first metal cylinder is vertically placed on an operation platform, an outer positioning block is arranged on the operation platform along the circumference of the outer wall of the first metal cylinder, and an inner positioning block is arranged on the operation platform along the circumference of the inner wall of the first metal cylinder;

the outer positioning block and the inner positioning block are welded and fixed on the operating platform, and the first metal cylinder is tightly propped and fixed between the inner positioning block and the outer positioning block;

step 2: internal support of a first metal cylinder

Placing a tightening frame into the fixed first metal cylinder, wherein a support frame of the tightening frame is vertically arranged on an operation platform, a tightening rod of the tightening frame is horizontally arranged on the operation platform, and a tightening plate of the tightening frame is arranged close to the inner wall of the first metal cylinder;

and step 3: welding a first metal cylinder

Welding the longitudinal splicing part of the first metal cylinder with the mounted jacking frame;

and 4, step 4: externally supporting a first metal cylinder

Sleeving a forming lantern ring with a lantern ring rib plate outside a first metal cylinder to enable the circle center of the first metal cylinder to coincide with the circle center of the forming lantern ring, adjusting the positions of the lantern ring rib plates to enable the inner edges of all lantern ring rib plates to be in contact with and clamped with the outer wall of the first metal cylinder, welding and fixing the upper edges of the lantern ring rib plates and the lantern ring, and fixing the inner edges of the lantern ring rib plates and the outer wall of the first metal cylinder in a spot welding manner;

and 5: circumferential welding of metal cylinders

Firstly, detaching a first metal cylinder from an operation platform, detaching a puller frame tightly propped inside the first metal cylinder, then preparing a second metal cylinder according to the method in the step 1-4, finally placing the first metal cylinder on the top end of the second metal cylinder, overlapping and splicing the bottom surface circumference of the first metal cylinder and the top surface circumference of the first metal cylinder, completing the welding of the spliced parts of the two circumferences, detaching the processed and formed metal cylinder from the operation platform, and detaching the puller frame inside the metal cylinder and the forming lantern ring outside the metal cylinder to obtain the processed metal cylinder.

Specifically, in the step 1, spot welding is performed on a longitudinal joint of the first metal cylinder, and the spot welding positions are respectively at the top end and the bottom end of the joint.

Specifically, the tightening rod of the tightening frame is positioned at one half of the longitudinal height of the first metal cylinder; the formed lantern ring with the lantern ring rib plate is sleeved on the upper third part of the first metal cylinder.

The invention has the beneficial effects that: the precision and the reliability of the processing roundness of the cylinder are realized, the operation is simple, the safety and the reliability are realized, the working efficiency is high, and the method can be popularized and applied to the forming and fixing in the processing of steel templates, steel chimneys, steel funnels and the like.

Drawings

FIG. 1 is a schematic view of a forming fixture for processing a metal cylinder according to the present invention;

fig. 2 is a schematic structural view of the internal tightening frame of the present invention.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiments shown below do not limit the inventive content described in the claims. The entire contents of the configurations shown in the following embodiments are not limited to those required as solutions of the inventions described in the claims.

Referring to fig. 1 and 2, a forming fixture for processing a metal cylinder includes an operation platform 6, a plurality of outer positioning blocks 3, a plurality of inner positioning blocks 4, at least one forming collar 2, a plurality of collar ribs 5, and an inner tightening frame 7, wherein the plurality of outer positioning blocks 3 are fixedly arranged on the operation platform 6 in close proximity to the outer wall of the metal cylinder 1 to be processed; the inner positioning blocks 4 are fixedly arranged on the operating platform 6 and are close to the inner wall of the metal cylinder 1 to be processed. The outer positioning blocks 3 are uniformly arranged on the operating platform 6 along the arc of the outer wall of the metal cylinder 1 to be processed; the inner positioning blocks 4 are uniformly arranged on the operation platform 6 along the arc of the inner wall of the metal cylinder 1 to be processed. A plurality of positioning holes are formed in the circular arc of the forming lantern ring 2 and are uniformly arranged along the circular arc of the forming lantern ring 2, the lantern ring rib plate 5 penetrates through the positioning holes, the upper edge of the lantern ring rib plate 5 is fixedly arranged on the forming lantern ring 2, and the inner edge of the lantern ring rib plate 5 is tightly attached to the outer wall of the metal cylinder 1 to be processed; the inner tightening frame 7 comprises a plurality of tightening rods 10 which are arranged in a crossed mode, a tightening plate 11 which is fixedly arranged on the outer side of the tightening rods, and a support frame 12 which is arranged at the bottom end of the tightening plate and used for supporting the tightening rods on the operating platform, wherein the tightening plate 11 is tightly adjacent to the inner wall of the metal cylinder 1 to be processed.

Specifically, the collar rib 5 is a right-angled trapezoid with the hypotenuse facing downward and the longer base facing inward.

In particular, the inner edges of the collar ribs 5 are welded to the outer wall of the metal cylinder 1 to be machined.

Specifically, the tightening rod 10 includes 3 parallel vertical rods and 1 horizontal rod perpendicular to the vertical rods, and the horizontal rods are respectively connected with the 3 vertical rods in a fixed cross manner.

Specifically, the operating platform 6 is a steel plate operating platform.

A method of machining a metal cylinder 1, comprising the steps of:

step 1: clamping the bottom end of the first metal cylinder

Firstly, spot welding is carried out on the top end and the bottom end of a longitudinal splicing part 8 of a first metal cylinder to preliminarily fix the longitudinal splicing part 8 of the first metal cylinder, then the first metal cylinder is vertically placed on an operation platform 6, an outer positioning block 3 is arranged on the operation platform 6 along the circumference of the outer wall of the first metal cylinder, and an inner positioning block 4 is arranged along the circumference of the inner wall of the first metal cylinder;

the outer positioning block 3 and the inner positioning block 4 are welded and fixed on the operating platform 6, and the first metal cylinder is tightly pressed and fixed between the inner positioning block 4 and the outer positioning block 3;

step 2: internal support of a first metal cylinder

Placing the tightening frame 7 into the fixed first metal cylinder, vertically arranging a support frame 12 of the tightening frame 7 on the operating platform 6, horizontally arranging a tightening rod 10 of the tightening frame 7 on the operating platform 6, and arranging a tightening plate 11 of the tightening frame 7 close to the inner wall of the first metal cylinder;

and step 3: welding a first metal cylinder

Welding the longitudinal splicing part 8 of the first metal cylinder with the mounted jacking frame 7;

and 4, step 4: externally supporting a first metal cylinder

Sleeving a forming lantern ring 2 with a plurality of lantern ring rib plates 5 at one third of the upper part of a first metal cylinder, enabling the circle center of the first metal cylinder to coincide with the circle center of the forming lantern ring 2, adjusting the positions of the lantern ring rib plates 5 to enable the inner edges of all lantern ring rib plates 5 to be in contact with and clamped tightly with the outer wall of the first metal cylinder, welding and fixing the upper edges of the lantern ring rib plates 5 and the forming lantern ring 2, and fixing the inner edges of the lantern ring rib plates 5 and the outer wall of the first metal cylinder in a spot welding manner;

and 5: circumferential welding of metal cylinders

Firstly, detaching a first metal cylinder from an operation platform 6, detaching a puller frame 7 tightly propped inside the first metal cylinder, then preparing a second metal cylinder according to the method in the step 1-4, finally placing the first metal cylinder on the top end of the second metal cylinder, overlapping and splicing the bottom surface circumference of the first metal cylinder and the top surface circumference of the first metal cylinder, completing the welding of the spliced part 9 of the two circumferences, then detaching the processed and formed metal cylinder from the operation platform, and detaching the puller frame inside the metal cylinder and the formed lantern ring outside the metal cylinder, thus obtaining the processed metal cylinder.

In the description of the present application, it is to be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present application.

Unless expressly stated or limited otherwise, the terms "disposed of" and "in communication with" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.