Multi-specification filling head switching structure of linear filling machine

Abstract

The utility model discloses a multi-specification filling head switching structure of a linear filling machine, which belongs to the technical field of filling machines and comprises a frame, filling bottles and filling components. The filling assembly comprises a U-shaped frame, a filling cylinder, a first piston, a filling volume adjusting mechanism, a second piston, an L-shaped support, a driving assembly and a filling head. The filling volume adjusting mechanism comprises two fixed plates, a worm, a lead screw, a worm gear, a movable plate and a plurality of push rods. According to the multi-specification filling head switching structure of the linear filling machine, the position of the first piston on the inner side of the filling barrel is adjusted through the filling volume adjusting mechanism, then the volume of air between the second piston and the first piston is adjusted, and the second piston is driven by the driving assembly to move so that materials can be discharged through the filling heads; therefore, the discharge amount of the materials can be adjusted on the premise that shutdown is not needed, the production requirements of various specifications can be met, and the practicability is remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to filling machine technical field, concretely is a linear filling machine multi -specification filling head switching structure. BACKGROUND

[0002] The canning machine belongs to one kind of packaging equipment, is widely used in the can body encapsulation production process of liquid, powder, granule and the like product. From the encapsulation of different materials, the canning machine can be divided into liquid canning machine, paste canning machine, liquid canning machine and granular canning machine and the like;From the degree of automation of production, the canning machine can be divided into semi-automatic canning machine and full-automatic canning machine.

[0003] The liquid canning machine is mainly applied to the production of various liquid products, such as the production process of edible vinegar, and needs to use the liquid canning machine to can the bottle of edible vinegar, so as to produce canned edible vinegar finished product.

[0004] The existing material is generally divided into different models when being packaged, and the filling head of the filling machine is mostly single, which is not convenient for adapting to different sizes of packaging bottles or packaging bags during filling, resulting in limited use range of the filling machine, and the operation needs to be stopped when disassembling and replacing, the process is very cumbersome, and the filling efficiency is affected.

[0005] Utility model content.

[0006] The utility model provides a linear filling machine multi -specification filling head switching structure, aims at solving the existing material in background art when being packaged, generally divides into different models, and the filling head of the filling machine is mostly single, which is not convenient for adapting to different sizes of packaging bottles or packaging bags during filling, resulting in limited use range of the filling machine, and the operation needs to be stopped when disassembling and replacing, the process is very cumbersome, and the filling efficiency is affected and the like problem.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a linear filling machine multi -specification filling head switching structure, this linear filling machine multi -specification filling head switching structure includes frame, detachably installed on the frame filling bottle and fixedly installed on the top of the frame and with the filling bottle intercommunication filling assembly, the filling assembly includes the U -shaped frame of fixedly installed on the top of the frame, the filling cylinder of fixedly installed on the inboard of the U -shaped frame, the first piston of movably set in the inboard one end of the filling cylinder, the filling volume adjusting mechanism of fixedly connected with the first piston one side, the second piston of movably set in the inboard other end of the filling cylinder, the L -shaped support of fixedly connected with the other side of the U -shaped frame, the drive assembly of fixedly installed on the one side of the L -shaped support and the filling head of fixedly connected with the one side of the filling cylinder, the filling volume adjusting mechanism includes the gear box of fixedly connected with the one side of the U -shaped frame, the worm of rotationally connected between the inboard of the gear box both sides, the lead screw of through the one side of the U -shaped frame and with the one end rotationally connected of the filling cylinder, the worm wheel of fixedly installed on the end of the lead screw and with the worm meshing connection, the moving plate of screwed on the outer wall of the lead screw and the plurality of push rods of one end fixedly connected with the one side surface of the moving plate and the other end and the first piston fixedly connected.

[0008] When carrying out filling operation, since the material volume extruded by the filling cylinder in turn is proportional to the air volume between the first piston and the second piston, the position of the first piston in the inboard of the filling cylinder is adjusted through the filling volume adjusting mechanism, the material between the first piston and the second piston is discharged through the filling head by the drive assembly driving the second piston to move, when the first piston moves in the opposite direction of the second piston, the air volume increases at this time, then the material volume discharged by the filling head increases, when the first piston moves in the direction of the second piston, the air volume decreases at this time, then the material volume discharged by the filling head decreases, the volume of the air between the second piston and the first piston is adjusted through the filling volume adjusting mechanism, so that the discharge capacity of the material can be adjusted without stopping, can adapt to various specifications production demand, and the practicability is improved significantly.

[0009] Preferably, the filling bottle is connected with the filling cylinder through a connecting pipe, and an electromagnetic valve is arranged on the connecting pipe.

[0010] Preferably, a protective cover is fixedly installed on the end of the filling cylinder away from the filling volume adjusting mechanism, and the end of the protective cover is fixedly connected with the inwall of the U-shaped frame.

[0011] Preferably, a fixing ring is fixedly sleeved on both ends of the filling cylinder, and a tripod is fixedly connected between the surface of the fixing ring and the inwall of the U-shaped frame.

[0012] Preferably, a bearing matched with the lead screw is fixedly installed on the inwall of one side of the U-shaped frame.

[0013] Preferably, the driving assembly adopts a pneumatic cylinder or an electric cylinder.

[0014] The linear filling machine multi-specification filling head switching structure is simple in structure and convenient to use. Since the volume of the material extruded by the filling cylinders in sequence is proportional to the air volume between the first piston and the second piston, the position of the first piston inside the filling cylinder is adjusted through the filling volume adjusting mechanism, the material between the first piston and the second piston is discharged through the filling head by moving the second piston driven by the driving assembly; when the first piston moves in the opposite direction of the second piston, the air volume increases at this time, and then the volume of the material discharged by the filling head increases; when the first piston moves in the direction of the second piston, the air volume decreases at this time, and then the volume of the material discharged by the filling head decreases. The volume of the air between the second piston and the first piston is adjusted through the filling volume adjusting mechanism, so that the discharge amount of the material can be adjusted without stopping, the operation is simple, various specifications of production demand can be met, and the practicability is significantly improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structure diagram of a linear filling machine multi-specification filling head switching structure;

[0016] Figure 2 It is a local sectional view structure diagram of a filling cylinder of a linear filling machine multi-specification filling head switching structure;

[0017] Figure 3 It is an internal structure diagram of a gear box in a linear filling machine multi-specification filling head switching structure.

[0018] In the drawings:

[0019] 1, rack;

[0020] 2, filling bottle;

[0021] 3, filling assembly; 31, U-shaped frame; 32, filling cylinder; 33, first piston; 34, filling volume adjusting mechanism; 341, gear box; 342, worm; 343, screw rod; 344, worm gear; 345, moving plate; 346, push rod; 35, second piston; 36, L-shaped support; 37, driving assembly; 38, filling head;

[0022] 4, connecting pipe; 41, electromagnetic valve;

[0023] 5, protective cover;

[0024] 6, fixing ring;

[0025] 7, tripod. DETAILED DESCRIPTION

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] This embodiment provides a multi-specification filling head switching structure for a linear filling machine, such as... Figures 1 to 3 As shown, the multi-specification filling head switching structure of the linear filling machine includes a frame 1, a filling bottle 2 detachably mounted on the frame 1, and a filling assembly 3 fixedly mounted on the top of the frame 1 and connected to the filling bottle 2. The filling assembly 3 includes a U-shaped frame 31 fixedly mounted on the top of the frame 1, a filling cylinder 32 fixedly mounted inside the U-shaped frame 31, a first piston 33 movably mounted on one end of the inner side of the filling cylinder 32, a filling volume adjustment mechanism 34 fixedly connected to one side of the first piston 33, a second piston 35 movably mounted on the other end of the inner side of the filling cylinder 32, an L-shaped bracket 36 fixedly connected to the other side of the U-shaped frame 31, and a filling volume adjustment mechanism 34 fixedly mounted on the L-shaped frame 32. The drive assembly 37 on one side of the bracket 36 and the filling head 38 fixedly connected to one side of the filling cylinder 32; the filling volume adjustment mechanism 34 includes a gearbox 341 fixedly connected to one side of the U-shaped frame 31, a worm gear 342 rotatably connected between the inner walls of both sides of the gearbox 341, a lead screw 343 passing through one side of the U-shaped frame 31 and rotatably connected to one end of the filling cylinder 32, a worm wheel 344 fixedly installed at the end of the lead screw 343 and meshing with the worm gear 342, a moving plate 345 screwed to the outer wall of the lead screw 343, and a plurality of push rods 346 with one end fixedly connected to one side surface of the moving plate 345 and the other end fixedly connected to the first piston 33.

[0028] When the filling operation is performed, since the volume of the material extruded by the filling cylinder 32 in sequence is proportional to the volume of the air between the first piston 33 and the second piston 35, the position of the first piston 33 inside the filling cylinder 32 is adjusted by the filling volume adjusting mechanism 34, and the material between the first piston 33 and the second piston 35 is discharged through the filling head 38 by moving the second piston 35 driven by the driving assembly 37; when the first piston 33 moves in the opposite direction of the second piston 35, at this time the volume of the air increases, and then the volume of the material discharged by the filling head 38 increases; when the first piston 33 moves in the direction of the second piston 35, at this time the volume of the air decreases, and then the volume of the material discharged by the filling head 38 decreases; the volume of the air between the second piston 35 and the first piston 33 is adjusted by the filling volume adjusting mechanism 34, so that the discharge volume of the material can be adjusted without stopping, which can adapt to various specifications of production requirements and significantly improve the practicability.

[0029] In one embodiment, a connecting pipe 4 is connected between the filling bottle 2 and the filling cylinder 32, and an electromagnetic valve 41 is arranged on the connecting pipe 4.

[0030] In this embodiment, referring to Figure 1 , the filling of the material is started and paused by arranging the electromagnetic valve 41, which facilitates the switching of the filling specifications.

[0031] In one embodiment, a protective cover 5 is fixedly installed at one end of the filling cylinder 32 away from the filling volume adjusting mechanism 34, and the end of the protective cover 5 is fixedly connected with the inner wall of the U-shaped frame 31.

[0032] In this embodiment, referring to Figure 1 , the protective cover 5 is arranged to prevent the push rod 346 from being exposed to the outside and causing pollution inside the filling cylinder 32.

[0033] In one embodiment, a fixing ring 6 is fixedly sleeved at both ends of the filling cylinder 32, and a tripod 7 is fixedly connected between the surface of the fixing ring 6 and the inner wall of the U-shaped frame 31.

[0034] In this embodiment, referring to Figure 1 , the tripod 7 is arranged to effectively improve the installation strength and stability of the filling cylinder 32.

[0035] In one embodiment, a bearing adapted to the lead screw 343 is fixedly installed on one side of the inner wall of the U-shaped frame 31.

[0036] In this embodiment, referring to Figure 2 , the bearing is arranged to cooperate with the lead screw 343 to ensure that the lead screw 343 remains stable during rotation, which helps to prolong its service life.

[0037] In one embodiment, the driving assembly 37 adopts a pneumatic cylinder or an electric cylinder.

[0038] In the present embodiment, with reference to Figure 3 By adopting a pneumatic cylinder or an electric cylinder as the driving assembly 37, the production requirement of multiple reciprocating strokes can be met, thereby prolonging the service life of the equipment.

[0039] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art, according to the technical scheme and the inventive concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A linear filling machine multi-specification filling head switching structure, comprising a rack (1), a filling bottle (2) detachably mounted on the rack (1), and a filling assembly (3) fixedly mounted on the top of the rack (1) and communicating with the filling bottle (2). characterized in that The filling assembly (3) comprises a U-shaped frame (31) fixedly mounted on the top of the rack (1), a filling cylinder (32) fixedly mounted on the inner side of the U-shaped frame (31), a first piston (33) movably arranged at one end of the inner side of the filling cylinder (32), a filling volume adjusting mechanism (34) fixedly connected to one side of the first piston (33), a second piston (35) movably arranged at the other end of the inner side of the filling cylinder (32), an L-shaped bracket (36) fixedly connected to the other side of the U-shaped frame (31), a drive assembly (37) fixedly mounted on one side of the L-shaped bracket (36), and a filling head (38) fixedly connected to one side of the filling cylinder (32). The filling volume adjusting mechanism (34) comprises a gear box (341) fixedly connected to one side of the U-shaped frame (31), a worm (342) rotatably connected between the inner walls on both sides of the gear box (341), a lead screw (343) penetrating through one side of the U-shaped frame (31) and rotatably connected to one end of the filling cylinder (32), a worm gear (344) fixedly mounted on the end of the lead screw (343) and meshingly connected with the worm (342), a moving plate (345) screwed on the outer wall of the lead screw (343), and a plurality of push rods (346) fixedly connected at one end to one side surface of the moving plate (345) and at the other end to the first piston (33).

2. The multi-species filling head switching structure of the linear filling machine according to claim 1, characterized in that: A connecting pipe (4) is connected between the filling bottle (2) and the filling cylinder (32), and an electromagnetic valve (41) is arranged on the connecting pipe (4).

3. The multi-species filling head switching structure of the linear filling machine according to claim 1, characterized in that: A protective cover (5) is fixedly mounted on the end of the filling cylinder (32) away from the filling volume adjusting mechanism (34), and the end of the protective cover (5) is fixedly connected to the inner wall of the U-shaped frame (31).

4. The multi-species filling head switching structure of the linear filling machine according to claim 1, characterized in that: Fixed rings (6) are fixedly sleeved on both ends of the filling cylinder (32), and a tripod (7) is fixedly connected between the surface of the fixed ring (6) and the inner wall of the U-shaped frame (31).

5. The multi-species filling head switching structure of the linear filling machine according to claim 1, characterized in that: A bearing adapted to the lead screw (343) is fixedly mounted on one side inner wall of the U-shaped frame (31).

6. The multi-species changeover structure for a linear filler according to claim 1, characterized in that: The drive assembly (37) is a pneumatic cylinder or an electric cylinder.

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