CN-121973126-A - Middle base assembly tool of filling machine and middle base manufacturing method

CN121973126ACN 121973126 ACN121973126 ACN 121973126ACN-121973126-A

Abstract

The invention discloses a middle base assembly fixture and a middle base manufacturing method of a filling machine, and aims to provide the middle base assembly fixture and the middle base manufacturing method of the filling machine, which not only can reduce the middle base die opening manufacturing cost, but also are simple in structure, convenient to position and capable of guaranteeing the assembly positioning precision of all parts of the middle base, so that the manufacturing precision of the middle base is better guaranteed. The middle base assembly tool of the filling machine comprises a supporting base, a supporting assembly and three positioning assemblies, wherein the supporting base comprises a coaxial positioning piece and three cross beams which are distributed around the coaxial positioning piece in sequence in the circumferential direction, one ends of the three cross beams are intersected and fixed at the coaxial positioning piece, the supporting assembly comprises three supporting blocks which are in one-to-one correspondence with the cross beams and are fixed on the upper surfaces of the corresponding cross beams, the three positioning assemblies are in one-to-one correspondence with the cross beams and comprise positioning blocks which are fixed on the upper surfaces of the corresponding cross beams, and positioning grooves are formed in the upper surfaces of the positioning blocks.

Inventors

WANG YU
LIU LIJIAN
Li tianpu
JIN HONGXIN
XIE RUYING

Assignees

杭州大和热磁电子有限公司

Dates

Publication Date: 20260505
Application Date: 20251222

Claims (10)

1. Middle base assembly fixture of liquid filling machine, characterized by includes: The support base comprises a coaxial positioning piece and three cross beams which are distributed around the coaxial positioning piece in sequence in the circumferential direction, one ends of the three cross beams are intersected and fixed at the coaxial positioning piece, and the upper surfaces of the three cross beams are positioned in the same plane; The support assembly comprises three support blocks which are in one-to-one correspondence with the cross beams, the support blocks are fixed on the upper surfaces of the corresponding cross beams, and the upper surfaces of the three support blocks are positioned in the same plane; The three positioning components are in one-to-one correspondence with the cross beams and comprise positioning blocks fixed on the upper surfaces of the corresponding cross beams, the supporting blocks are positioned between the positioning blocks on the cross beams and the coaxial positioning pieces, positioning grooves are formed in the upper surfaces of the positioning blocks, and the axes of the positioning grooves on the positioning blocks are parallel to the axes of the coaxial positioning pieces.
2. The middle base assembly fixture of a filling machine according to claim 1, wherein the upper surfaces of the supporting blocks are provided with positioning bosses, and the distances between the positioning bosses of the three supporting blocks and the axis of the coaxial positioning piece are the same.
3. The middle base assembly fixture of a filling machine according to claim 2, wherein the side surface of the positioning boss, which faces the coaxial positioning piece, is a plane or an arc surface.
4. The middle base assembly fixture of a filling machine according to claim 1, 2 or 3, wherein the two ends of the positioning groove are open, the opposite side surfaces of the positioning groove are arc surfaces, and the arc surfaces on the opposite sides of the positioning groove are positioned in the same cylindrical surface.
5. A middle base assembly fixture of a filling machine according to claim 1, 2 or 3, wherein the supporting base further comprises a supporting foot, one supporting foot is arranged below the junction of the three cross beams, at least one supporting foot is arranged on the lower surface of each cross beam, and the heights of the supporting feet are consistent.
6. A middle base assembly fixture of a filling machine according to claim 1,2 or 3, wherein the positioning block is connected with the cross beam by bolts or welding, and the supporting block is connected with the cross beam by bolts or welding.
7. A method of manufacturing an intermediate base using the intermediate base assembly tooling of a filling machine of any one of claims 1-6, comprising the steps of: firstly, opening a die for manufacturing a base main body, wherein the peripheral surface of the base main body is provided with three pipe connectors which are distributed in turn in the circumferential direction, and the middle part of the lower end surface of the base main body is provided with a middle shaft hole; the three base pipelines are manufactured by die sinking, and each base pipeline comprises an axial pipeline and a connecting pipe extending along the radial direction of the axial pipeline; Secondly, positioning the base main body, supporting the lower end surface of the base main body on the upper surfaces of the three supporting blocks, and enabling the coaxial positioning piece to extend into the middle shaft hole; The base pipelines are in one-to-one correspondence with the positioning assemblies, the lower ends of the axial pipelines of the base pipelines are positioned in the corresponding positioning grooves, and one ends of the connecting pipes are inserted into the corresponding pipe connectors; Thirdly, each connecting pipe is welded with the base main body.
8. The method according to claim 7, wherein the base body comprises an annular housing, a lower end cap located at a lower end of the annular housing, and an upper end cap located at an upper end of the annular housing, and the annular housing, the lower end cap, and the upper end cap of the base body are integrally formed by die sinking in the first step.
9. The method for manufacturing an intermediate base according to claim 7, wherein the base body comprises an annular housing, a lower end cover positioned at the lower end of the annular housing, and an upper end cover positioned at the upper end of the annular housing, wherein the edge of the upper end cover is provided with an upper annular flange which extends downwards, three pipe joints are connected to the annular housing, and a center shaft hole is arranged in the middle of the lower end cover; In the first step, the annular shell of the base main body and the lower end cover are integrally manufactured and molded by adopting a die sinking mode, and the upper end cover is independently manufactured and molded by die sinking; The base main body in the second step is positioned by supporting the lower end cover on the upper surfaces of the three supporting blocks, and extending the coaxial positioning piece into the middle shaft hole; The third step further comprises the step of welding the upper end cover with the annular shell.
10. The method for manufacturing an intermediate base according to claim 7, wherein the base body comprises an annular housing, a lower end cover positioned at the lower end of the annular housing, and an upper end cover positioned at the upper end of the annular housing, wherein the edge of the lower end cover is provided with a lower annular flange extending upwards, three pipe joints are connected to the annular housing, and a center shaft hole is formed in the middle of the lower end cover; in the first step, the annular shell of the base main body and the upper end cover are integrally manufactured and molded by adopting a die sinking mode, and the lower end cover is independently manufactured and molded by die sinking; The base main body in the second step is positioned by supporting the lower end cover on the upper surfaces of the three supporting blocks, and extending the coaxial positioning piece into the middle shaft hole; The third step further comprises the step of welding the lower end cover with the annular shell.

Description

Middle base assembly tool of filling machine and middle base manufacturing method Technical Field The invention relates to the technical field of manufacturing of middle bases of filling machines, in particular to a middle base assembly tool of a filling machine and a middle base manufacturing method. Background The filling machine is mainly a small product in the packaging machine, and can be divided into a liquid filling machine, a paste filling machine, a powder filling machine and a particle filling machine from the aspect of packaging materials, and is mainly responsible for filling various containers with liquid. For example, chinese patent publication No. CN209382324U, the name of the invention is a paste filling machine, which belongs to the technical field of filling mechanical equipment. Along with the rapid development of technology, the filling machine technology is also innovated continuously, and revolutionary reform is brought to production lines, so that the filling machine is widely used in food industry, beverage industry, daily chemical industry and the like. The working principle of the existing filling machine is as follows, positioning and identifying the size and shape of the container through a high-precision sensor. And (3) identifying and adjusting, namely identifying the filling liquid level through a visual system or a sensor, and automatically adjusting to ensure the accuracy of each filling. And (3) filling operation, wherein the filling head accurately fills the liquid into the container according to the set parameters. And (3) closing and detecting, wherein after filling is finished, the bottle sealing or capping operation is automatically performed, and no leakage is ensured by a detection device. The middle base of the filling machine belongs to the middle mechanism of the filling machine and is a carrier for carrying a certain process. The intermediate base of the filling machine generally comprises a base body and three base pipes distributed sequentially around the circumference of the base body. The base pipeline comprises an axial pipeline and a connecting pipeline extending along the radial direction of the base main body, wherein the connecting pipeline connects the axial pipeline and the outer peripheral surface of the base main body, the length of the connecting pipeline can reach 1-1.5 meters, and the overall outer diameter of the base main body can reach 0.8-1 meter. The middle base of the traditional filling machine is generally manufactured by integrally opening the mould, and the whole volume of the middle base body is large, so that the mould is manufactured by integrally opening the mould, the volume of the mould is large, the manufacturing cost is high, and the mould opening difficulty is large. Furthermore, in order to reduce the cost of the split mold of the middle base of the filling machine, some inventors adopt split manufacturing, split the middle base into a plurality of parts, split mold the parts respectively, and then weld the parts together, but this involves the division of the split manufacturing parts of the middle base and the positioning during welding assembly, and the problems that the positioning structure of the welding assembly is complex, the positioning is difficult, the positioning precision is difficult to guarantee, and the manufacturing precision of the middle base is affected easily because the division of the split manufacturing parts of the middle base is unreasonable. Disclosure of Invention The invention aims to provide the middle base assembly tool and the middle base manufacturing method of the filling machine, which not only can reduce the die opening manufacturing cost of the middle base, but also are simple in structure and convenient to position, and can ensure the assembly positioning precision of all parts of the middle base, thereby better ensuring the manufacturing precision of the middle base. The technical scheme of the invention is as follows: an intermediate base assembly fixture of a filling machine, comprising: The support base comprises a coaxial positioning piece and three cross beams which are distributed around the coaxial positioning piece in sequence in the circumferential direction, one ends of the three cross beams are intersected and fixed at the coaxial positioning piece, and the upper surfaces of the three cross beams are positioned in the same plane; The support assembly comprises three support blocks which are in one-to-one correspondence with the cross beams, the support blocks are fixed on the upper surfaces of the corresponding cross beams, and the upper surfaces of the three support blocks are positioned in the same plane; The three positioning components are in one-to-one correspondence with the cross beams and comprise positioning blocks fixed on the upper surfaces of the corresponding cross beams, the supporting blocks are positioned between the positioning blocks on the cross beams and the