WO2022057008A1

WO2022057008A1 - Production line for base ring of tank cover and method for using same

Info

Publication number: WO2022057008A1
Application number: PCT/CN2020/123434
Authority: WO
Inventors: 杨合连; 毛雪亮; 平士东; 陈培润
Original assignee: 山东杨嘉汽车制造有限公司
Priority date: 2020-09-17
Filing date: 2020-10-23
Publication date: 2022-03-24
Also published as: CN112207200B; CN112207200A

Abstract

A production line for a base ring of a tank cover and a method for using same, wherein the production line for the base ring of the tank cover comprises a tank cover circling machine and an inner ring assembly machine; both the tank cover circling machine and the inner ring assembly machine comprise support frames; a platform is arranged on the support frame; an inner mold is arranged in a middle part of the platform; a left mold and a right mold are respectively arranged on two sides of the inner mold; semi-circular grooves are arranged on sides of the left mold and the right mold that are close to the inner mold; and the left mold and the right mold are respectively connected to telescopic devices. The height of the inner mold in the tank cover circling machine is equal to the height of an iron plate to be processed, and the height of the inner mold in the inner ring assembly machine is less than the height of the iron plate. The method for using the production line for the base ring of the tank cover is: preliminarily bending the iron plate by means of the tank cover circling machine, and then bending the iron plate again by means of the inner ring assembly machine and assembling an inner ring at the same time. The production line for the base ring of the tank cover can simplify the production process of the base ring of the tank cover, and can improve the production efficiency; and the inner ring is tightly connected to an outer ring.

Description

A production line for can lid base ring and using method thereof

technical field

The invention relates to a production equipment for can lid base rings and a use method thereof, in particular to a production line for manufacturing can lid base rings and a use method thereof.

Background technique

In the manufacture of the tank cover of the tank car, the tank cover base ring needs to be prepared, the lower part of the tank cover base ring is fixed on the opening of the tank body, and the upper part of the tank cover base ring is installed with the tank cover. The existing can lid base ring includes an outer ring and an inner ring, the outer ring is sleeved on the inner ring, and the outer ring and the inner ring are welded together. The above-mentioned outer rings are mostly prepared by bending with a circular ring machine. The circular circular machine includes a plurality of circular rollers. When the iron plate moves between the circular rollers, the iron plate is bent into a circular ring. The inner ring is located inside the outer ring and is fixed to the outer ring by welding.

technical problem

However, in the prior art, the ratio between the circumference and height of the outer ring is small, that is, the length and width ratio of the iron plate for preparing the outer ring is small. Short and difficult to operate. And it is difficult to fix the inner ring inside the outer ring.

technical solutions

The present invention provides a can lid base ring production line and a method for using the same, so as to solve the following problems: during the preparation of the existing can lid base ring, the iron plate is bent by the motion of the iron plate between the round rollers. It is short and difficult to operate; and it is difficult for the inner ring to be fixed in the outer ring.

The invention provides a can lid base ring production line, the can lid base ring production line includes a can lid ringer and an inner ring assembly machine. The can lid ring machine includes a first support frame, a first platform is arranged on the first support frame, and a cylindrical first inner mold is arranged in the middle of the first platform, and the first inner mold is The height is the same as the height of the iron plate to be treated; the two sides of the first inner mold are respectively provided with a first left mold and a first right mold, and the first left mold and the first right mold are close to the first inner mold. One side of the mold is provided with a first semicircular groove in the shape of a semicircle, and the side of the first left mold and the first right mold away from the first inner mold is also provided with a first telescopic device, respectively. A telescopic device is used to drive the first left mold and the first right mold to approach or move away from the first inner mold; when the first left mold and the first right mold are close to the first inner mold, There are gaps between the first left mold and the first inner mold and between the first right mold and the first inner mold. The inner ring assembly machine includes a second support frame, a second platform is arranged on the second support frame, and a cylindrical second inner mold is arranged in the middle of the second platform. The two sides are respectively provided with a second left mold and a second right mold, and the side of the second left mold and the second right mold close to the second inner mold is provided with a semicircular second semicircular groove, so The side of the second left mold and the second right mold away from the second inner mold is also provided with a second telescopic device respectively, and the second telescopic device is used to drive the second left mold and the second right mold. The mold is close to or away from the second inner mold; when the second left mold and the second right mold are close to the second inner mold, between the second left mold and the second inner mold and the A gap is left between the second right mold and the second inner mold; the height of the second inner mold is lower than the height of the iron plate to be processed.

Preferably, the first telescopic device is a hydraulic cylinder, a hydraulic seat is provided on the first platform, and the base of the hydraulic cylinder is mounted on the hydraulic seat; the telescopic rod of the hydraulic cylinder is connected to the first platform. Either the left die or the first right die is connected.

Preferably, the telescopic rod of the first telescopic device is connected with the first left mold or the first right mold, and the telescopic rod is provided with a positioning block extending downward, and the first platform is provided with a positioning groove , the positioning block slides in the positioning groove.

Preferably, the second telescopic device is a hydraulic cylinder, a hydraulic seat is provided on the second platform, and the base of the hydraulic cylinder is mounted on the hydraulic seat; the telescopic rod of the hydraulic cylinder is connected to the second platform. Either the left die or the second right die is connected.

Preferably, guide plates are provided on both sides of the second platform, and when the second left mold and the second right mold move away from or close to the second inner mold, the second left mold and the second right mold move away from or close to the second inner mold. The outer side wall of the second right mold is fitted with the guide plate.

The present invention also provides a method of using the above-mentioned production line for the base ring of the can lid, and the method of using the above-mentioned production line for the base ring of the can lid comprises the following steps:

The first step: prepare an elongated iron plate, and place the iron plate horizontally and vertically on the platform between the first left mold or the first right mold and the first inner mold. The plate is perpendicular to the movement direction of the first left mold and the first right mold;

The second step: start the first telescopic device corresponding to the first left mold or the first right mold, and drive the first left mold or the first right mold to move closer to the first inner mold; When a left mold or the first right mold moves toward the first inner mold, the iron plate is bent into a U shape;

The third step: start the first telescopic device corresponding to the first right mold or the first left mold, and drive the first right mold or the first left mold to move closer to the first inner mold; it will be U-shaped The iron plate is bent into a circular ring;

Step 4: Activate the two first telescopic devices to drive the first right mold and the first left mold away from the first inner mold; remove the iron plate, at this time the iron plate is elastically deformed into a belt a circular ring with an opening;

Step 5: Place the above-mentioned ring-shaped iron plate with an opening on the inner ring assembly machine, so that the partial ring segment of the iron plate is located between the second left mold and the second inner mold, and the other part of the iron plate is ring. the segment is located at the gap position between the second right die and the second inner die;

The sixth step: place the pre-prepared inner ring on the upper end surface of the second inner mold, activate the two second telescopic devices, and drive the second right mold and the second left mold to move closer to the The second inner mold, until the iron plate is bent into a circular ring and is set on the inner ring;

Step 7: Weld the two ends of the iron plate together to form an outer ring, then remove the outer ring and the inner ring that are sleeved together; and weld the inner ring and the outer ring together.

beneficial effect

The above-mentioned can lid ring machine, its use steps are as shown in the use method of the above-mentioned can lid base ring production line, the iron plate is vertically placed on the side of the first left mold or the first right mold close to the first inner mold, and then start The first telescopic device corresponding to the first left mold or the first right mold drives the first left mold or the first right mold to approach the first inner mold through the first telescopic device. When the right mold approaches the first inner mold, the inner side of the iron plate is connected to the first inner mold, and the outer side is connected to the first left mold or the first right mold, so that the iron plate is bent into a U shape; then, through the first right mold The mold or the first left mold extrudes the U-shaped iron plate from the other side, and finally the iron plate is extruded into a ring shape. A right mold.

The outer ring of the can lid is prepared by the above-mentioned can lid ringing machine, which can quickly extrude the iron plate into a ring shape, and compared with the round-roll-shaped ringing machine, the above-mentioned can lid ringing machine is simple to operate, and the outer ring can be manufactured quickly. .

The above-mentioned can lid base ring production line firstly bends a circular iron plate with an opening through a can lid ring machine for preliminary treatment; At the same time, by setting the height of the second inner mold, it is convenient to set the inner ring in the outer ring, and assembling the prefabricated inner ring on the outer ring can improve the connection tightness of the inner ring and the outer ring; Bending twice can reduce the residual stress and improve the mechanical properties of the outer ring; at the same time, the inner ring is clamped in the outer ring by the inner ring assembly machine, and the outer end of the outer ring is welded to initially fix the inner ring and the outer ring. The connection between the inner ring and the outer ring is tight, and the assembly process operation is relatively simple.

Description of drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that are required in the description of the embodiments or the prior art.

Obviously, the drawings in the following description are only some specific embodiments of the present invention, and for those skilled in the art, without creative efforts, other structures can also be obtained according to the structures shown in these drawings. Attached.

FIG. 1 is a schematic top view of a can lid ring machine in Example 1 of the present invention.

2 is a schematic top view of the inner ring assembly machine in Embodiment 2 of the present invention.

标号label	名称name	标号label	名称name
11	第一平台first platform	66	第二平台second platform
22	第一内模具first inner mold	77	第二内模具Second inner mold
33	第一左模具first left die	88	第二左模具Second Left Die
44	第一右模具first right die	99	第二右模具Second Right Die
55	第一伸缩装置first telescopic device	1010	第二伸缩装置second telescopic device

Embodiments of the present invention

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, not all of 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.

It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relationship between various components under a certain posture (as shown in the accompanying drawings). The relative positional relationship, the movement situation, etc., if the specific posture changes, the directional indication also changes accordingly.

In addition, descriptions such as "first", "second", etc. in the present invention are only for descriptive purposes, and should not be construed as indicating or implying their relative importance or implicitly indicating the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise expressly and specifically defined.

In the present invention, unless otherwise expressly specified and limited, the terms "connected", "fixed" and the like should be understood in a broad sense, for example, "fixed" may be a fixed connection, a detachable connection, or an integrated; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be an internal communication between two elements or an interaction relationship between the two elements, unless otherwise explicitly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but must be based on the realization by those of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be achieved, it should be considered that the combination of technical solutions does not exist and is not within the scope of protection claimed by the present invention.

Example 1

This embodiment provides a can lid rounding machine, the can lid rounding machine includes a first support frame, a first platform 1 is arranged on the first support frame, and a cylindrical shape is arranged in the middle of the first platform 1 A shaped first inner mold 2, the height of the first inner mold 2 is the same as the height of the iron plate to be processed. The two sides of the first inner mold 2 are respectively provided with a first left mold 3 and a first right mold 4, and the sides of the first left mold 3 and the first right mold 4 close to the first inner mold 2 are both. A semicircular first semicircular groove is provided, and a first telescopic device 5 is respectively provided on the side of the first left mold 3 and the first right mold 4 away from the first inner mold 2. The telescopic device 5 is used to drive the first left mold 3 and the first right mold 4 to approach or move away from the first inner mold 2; when the first left mold 3 and the first right mold 4 are close to the first When there is an inner mold 2 , there are gaps between the first left mold 3 and the first inner mold 2 and between the first right mold 4 and the first inner mold 2 .

The above-mentioned can lid ring machine, its use step is as shown in the use method of the above-mentioned can lid base ring production line, the iron plate is vertically placed on the side of the first left mold 3 or the first right mold 4 close to the first inner mold 2 , then start the first telescopic device 5 corresponding to the first left mold 3 or the first right mold 4, and drive the first left mold 3 or the first right mold 4 to approach the first inner mold 2 through the first telescopic device 5, When the first left mold 3 or the first right mold 4 approaches the first inner mold 2, the inner side of the iron plate is abutted against the first inner mold 2, and the outer side is abutted against the first left mold 3 or the first right mold 4 , the iron plate is bent into a U shape; then, the U-shaped iron plate is extruded from the other side through the first right die 4 or the first left die 3, and the two ends of the iron plate are along the first right die 4 or The inner wall of the first left die is extruded, and finally the iron plate is extruded into a ring shape. The can lid ringing machine can quickly extrude the iron plate into a ring shape. Compared with the round-roll-shaped ringing machine, the can lid ringing machine is simple to operate and the outer ring is manufactured at a high speed.

Specifically, the present embodiment also provides the specific structure of the first telescopic device 5 . In this embodiment, the first telescopic device 5 is a hydraulic cylinder, and a hydraulic seat is provided on the first platform 1 . The base of the cylinder is installed on the hydraulic seat; the telescopic rod of the hydraulic cylinder is connected with the first left mold 3 or the first right mold 4 .

Specifically, in this embodiment, the telescopic rod of the first telescopic device 5 is connected to the first left mold 3 or the first right mold 4 to drive the first left mold 3 or the first right mold 4 to make Reciprocating left and right, in order to prevent the telescopic rod of the first telescopic device 5 from shifting, the telescopic rod is provided with a positioning block extending downward, so the first platform 1 is provided with a positioning groove, and the positioning block is in the positioning groove. Slide inside.

Example 2

This embodiment provides a can lid base ring production line, the can lid base ring production line includes the can lid ring machine in the above embodiment 1, and further includes an inner ring assembly machine; the inner ring assembly machine includes a second support frame , the second support frame is provided with a second platform 6, the middle of the second platform 6 is provided with a cylindrical second inner mold 7, the height of the second inner mold 7 is lower than the iron plate to be treated It should be noted that the height of the above-mentioned second inner mold 7 is lower than the height of the iron plate to be processed, and is mainly used to place the inner ring; preferably, the height difference between the second inner mold 7 and the iron plate is different from the inner ring. are basically the same height. The two sides of the second inner mold 7 are respectively provided with a second left mold 8 and a second right mold 9, and the second left mold 8 and the second right mold 9 are close to the second inner mold 7. A second semicircular groove in the shape of a semicircle is provided, and a second telescopic device 10 is also provided on the side of the second left mold 8 and the second right mold 9 away from the second inner mold 7, respectively. The telescopic device 10 is used to drive the second left mold 8 and the second right mold 9 to approach or move away from the second inner mold 7; when the second left mold 8 and the second right mold 9 are close to the first When there are two inner molds 7 , there are gaps between the second left mold 8 and the second inner mold 7 and between the second right mold 9 and the second inner mold 7 .

The above-mentioned production line of can lid base ring, after the iron plate is preliminarily bent into a circular ring by the can lid ring machine, and then the elastically returned iron plate is bent again into a circular ring by the inner ring assembly machine, and at the same time. Install the inner ring on the outer ring; the outer ring is formed by bending twice, which can reduce the residual stress and improve the mechanical properties of the outer ring; at the same time, the inner ring is clamped in the middle of the outer ring by the inner ring assembly machine, and the outer ring is welded The outer end of the inner ring and the outer ring are preliminarily fixed, the connection between the inner ring and the outer ring is tight, and the assembly process operation is relatively simple.

Specifically, this embodiment also provides the specific structure of the first telescopic device 5 . In this embodiment, the second telescopic device 10 is a hydraulic cylinder, the second platform 6 is provided with a hydraulic seat, and the hydraulic pressure The base of the cylinder is installed on the hydraulic seat; the telescopic rod of the hydraulic cylinder is connected with the second left mold 8 or the second right mold 9 .

Specifically, in order to prevent the second left mold 8 and the second right mold 9 from shifting during the reciprocating motion, guide plates are also provided on both sides of the second platform 6 . When the second right mold 9 moves away from or close to the second inner mold 7 , the outer side walls of the second left mold 8 and the second right mold 9 fit against the guide plate.

Example 3

The present embodiment provides a method for using the production line for can lid base rings in Embodiment 2. The above-mentioned method for using the production line for can lid base rings includes the following steps:

The first step: prepare an elongated iron plate, and place the iron plate horizontally and vertically on the platform between the first left mold 3 or the first right mold 4 and the first inner mold 2 place, the iron plate is perpendicular to the movement direction of the first left mold 3 and the first right mold 4;

Step 2: Activate the first telescopic device 5 corresponding to the first left mold 3 or the first right mold 4 to drive the first left mold 3 or the first right mold 4 to the first inner mold 2 close; when the first left mold 3 or the first right mold 4 is close to the first inner mold 2, the iron plate is bent into a U shape;

Step 3: Activate the first telescopic device 5 corresponding to the first right mold 4 or the first left mold 3 to drive the first right mold 4 or the first left mold 3 to the first inner mold 2 Move closer; bend the U-shaped iron plate into a circular ring;

Step 4: Activate the two first telescopic devices 5 to drive the first right mold 4 and the first left mold 3 away from the first inner mold 2; remove the iron plate, at this time the iron plate is elastic After denaturation, it is a circular ring with an opening;

The fifth step: place the above-mentioned annular iron plate with an opening on the inner ring assembly machine, so that the part of the iron plate ring segment is located between the second left mold 8 and the second inner mold 7, and the other iron plate Part of the ring segment is located between the second right mold 9 and the second inner mold 7;

The sixth step: place the pre-prepared inner ring on the upper end surface of the second inner mold 7, activate the two second telescopic devices 10, and drive the second right mold 9 and the second left mold 8. Move closer to the second inner mold 7 until the iron plate is bent into a circular ring and is placed on the inner ring;

Of course, the above descriptions are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Under the inventive concept of the present invention, any equivalent structural transformation made by using the contents of the description and accompanying drawings of the present invention, or directly/ Indirect applications in other related technical fields are included in the scope of patent protection of the present invention, and should be protected by the present invention.

Claims

A production line for can lid base ring, characterized in that:

Including can end ring machine and inner ring assembly machine;

The can lid ring machine includes a first support frame, a first platform is arranged on the first support frame, and a cylindrical first inner mold is arranged in the middle of the first platform, and the first inner mold is The height is the same as the height of the iron plate to be treated; the two sides of the first inner mold are respectively provided with a first left mold and a first right mold, and the first left mold and the first right mold are close to the first inner mold. One side of the mold is provided with a first semicircular groove in the shape of a semicircle, and the side of the first left mold and the first right mold away from the first inner mold is also provided with a first telescopic device, respectively. A telescopic device is used to drive the first left mold and the first right mold to approach or move away from the first inner mold; when the first left mold and the first right mold are close to the first inner mold, There are gaps between the first left mold and the first inner mold and between the first right mold and the first inner mold;

The inner ring assembly machine includes a second support frame, a second platform is arranged on the second support frame, and a cylindrical second inner mold is arranged in the middle of the second platform. The two sides are respectively provided with a second left mold and a second right mold, and the side of the second left mold and the second right mold close to the second inner mold is provided with a semicircular second semicircular groove, so The side of the second left mold and the second right mold away from the second inner mold is also provided with a second telescopic device respectively, and the second telescopic device is used to drive the second left mold and the second right mold. The mold is close to or away from the second inner mold; when the second left mold and the second right mold are close to the second inner mold, between the second left mold and the second inner mold and the A gap is left between the second right mold and the second inner mold; the height of the second inner mold is lower than the height of the iron plate to be processed.
The can lid base ring production line according to claim 1, wherein,

The second telescopic device is a hydraulic cylinder, a hydraulic seat is arranged on the second platform, and the base of the hydraulic cylinder is installed on the hydraulic seat;

The telescopic rod of the hydraulic cylinder is connected with the second left mold or the second right mold.
The can lid base ring production line according to claim 1, wherein,

Guide plates are provided on both sides of the second platform. When the second left mold and the second right mold move away from or close to the second inner mold, the second left mold and the second right mold move away from or close to the second inner mold. The outer side wall of the right mold fits the guide plate.
The can lid base ring production line according to claim 1, wherein,

The first telescopic device is a hydraulic cylinder, a hydraulic seat is arranged on the first platform, and the base of the hydraulic cylinder is mounted on the hydraulic seat;

The telescopic rod of the hydraulic cylinder is connected with the first left mold or the first right mold.
The can lid base ring production line according to claim 1 or 4, characterized in that,

The telescopic rod of the first telescopic device is connected with the first left mold or the first right mold, and the telescopic rod is provided with a positioning block extending downward, the first platform is provided with a positioning groove, the The positioning block slides in the positioning groove.
A method of using a can lid base ring production line, characterized in that:

Utilize the can lid base ring production line according to any one of claims 1 to 5, and its use steps are as follows:

The first step: prepare an elongated iron plate, and place the iron plate horizontally and vertically on the platform between the first left mold or the first right mold and the first inner mold. The plate is perpendicular to the movement direction of the first left mold and the first right mold;

The second step: start the first telescopic device corresponding to the first left mold or the first right mold, and drive the first left mold or the first right mold to move closer to the first inner mold; When a left mold or the first right mold moves toward the first inner mold, the iron plate is bent into a U shape;

The third step: start the first telescopic device corresponding to the first right mold or the first left mold, and drive the first right mold or the first left mold to move closer to the first inner mold; it will be U-shaped The iron plate is bent into a circular ring;

Step 4: Activate the two first telescopic devices to drive the first right mold and the first left mold away from the first inner mold; remove the iron plate, at this time the iron plate is elastically deformed into a belt a circular ring with an opening;

Step 5: Place the above-mentioned ring-shaped iron plate with an opening on the inner ring assembly machine, so that the partial ring segment of the iron plate is located between the second left mold and the second inner mold, and the other part of the iron plate is ring. The segment is located between the second right mold and the second inner mold;

The sixth step: place the pre-prepared inner ring on the upper end surface of the second inner mold, activate the two second telescopic devices, and drive the second right mold and the second left mold to move closer to the The second inner mold, until the iron plate is bent into a circular ring and is set on the inner ring;

Step 7: Weld the two ends of the iron plate together to form an outer ring, then remove the outer ring and the inner ring that are sleeved together; and weld the inner ring and the outer ring together.