WO2019071851A1

WO2019071851A1 - Bottle protection centering mechanism and filling device

Info

Publication number: WO2019071851A1
Application number: PCT/CN2017/120063
Authority: WO
Inventors: 卢小军; 卢伟; 宋俊杰
Original assignee: 广州达意隆包装机械股份有限公司
Priority date: 2017-10-13
Filing date: 2017-12-29
Publication date: 2019-04-18
Also published as: CN107628582A

Abstract

A bottle protection centering mechanism and a filling device. The bottle protection centering mechanism comprises a bottle protection assembly (10) and a cam (20). The bottle protection assembly (10) comprises a guide rod (110), a roller (120), a support ring (130), and a centering cup (140). One side of the cam (20) is a rising segment, and the other side is a falling segment. The cam (20) is provided on the periphery of a filling machine (2). The roller (120) is provided on the guide rod (110), and is capable of rolling along the rising segment or the falling segment of the cam (20), such that the guide rod (110) rises or falls relative to a filling valve (21) on the filling machine (2). The support ring (130) is connected to a lower end of the guide rod (110). The centering cup (140) is provided in the support ring (130), and is opposite the filling valve (21). The bottle protection centering mechanism enables bottles to move stably while the bottles are being handed over from a bottle feeding tray to a filling machine or during a subsequent lifting process, thereby preventing the bottles from jamming or falling.

Description

Bottle centering mechanism and filling device

Technical field

The invention relates to the field of bottle filling technology, in particular to a bottle centering mechanism and a filling device.

Background technique

For traditional PET or glass bottle filling machines, the bottle needs to be transferred from the delivery tray to the filling mainframe, and then it needs to be lifted a distance and pressed against the valve port of the filling valve before the product can be filled into the bottle. The bottle may or may not be bottled during the transfer of the bottle to the filling machine, or during the subsequent lifting process.

Summary of the invention

Based on this, the present invention overcomes the defects of the prior art, and provides a bottle centering mechanism and a filling device, which can ensure the stability of the bottle operation and avoid the phenomenon of bottle bottle or bottle drop.

A bottle centering mechanism includes a bottle protector assembly and a cam, the bottle protector assembly comprising a guide rod, a roller, a support ring and a centering cup, wherein one side of the cam is a rising section and the other side is a descending section. The cam is disposed on an outer circumference of the filling main body, the roller is disposed on the guiding rod, and the roller can roll along a rising section or a descending section of the cam, so that the guiding rod is opposite to the filling host The upper filling valve is raised or lowered, the support ring is connected to the lower end of the guide rod, the centering cup is disposed in the support ring, and the centering cup is disposed opposite to the filling valve.

Its further technical solutions are as follows:

The bottle protector assembly further includes a bottle mouth seal disposed in the first through hole of the centering cup and located at an upper end of the centering cup, and the bottle mouth seal is opened and provided The second through hole matched by the filling valve.

The lower end of the first through hole of the centering cup is provided with a first chamfer, and the upper end of the second through hole of the bottle mouth gasket is provided with two chamfers.

The bottle protector assembly further includes a guide sleeve disposed in a valve seat of the filling valve, the guide rod being in clearance fit with the guide sleeve.

The bottle protection assembly further includes a buffer sleeve, the buffer sleeve is disposed at an upper end of the valve seat of the filling valve, and the guide rod is provided with a wheel base, the roller is connected with the wheel seat, the buffer The sleeve is located below the wheel seat.

The guiding rod includes a first rod, a second rod and a third rod respectively connected to the wheel seat, the first rod extends out of an upper end of the wheel seat, and the second rod and the third rod are arranged side by side And extending from the lower end of the wheel seat, the valve seat of the filling valve is provided with two guide sleeves, and the second rod and the third rod are respectively matched with corresponding guide sleeves, and the second The buffer sleeve is respectively sleeved on the rod and the third rod, and the bottom ends of the second rod and the third rod are respectively connected to the support ring.

The two ends of the centering cup respectively protrude from the support ring, and the outer wall of the upper end of the centering cup is provided with an annular groove, and the annular groove is provided with an O-ring, and the O-ring is clamped in The upper end surface of the support ring.

A groove is formed in a middle portion of the first through hole, and a lower end of the outer wall of the bottle mouth gasket is provided with a protrusion, and the bottle mouth seal is fixed in the first through hole by a protrusion and a groove.

A filling device comprising a bottle feeding tray, a bottle discharging tray, a filling host and the bottle centering mechanism, wherein the bottle feeding tray is disposed on a bottle inlet side of the filling host, and the bottle discharging tray Provided on the bottle discharging side of the filling host, the cam is disposed between the bottle feeding tray and the bottle discharging tray, and the rising section is close to the bottle discharging tray, and the descending section is close to the bottle feeding bottle plate.

In one embodiment, the filling device includes a plurality of the bottle protecting components, the filling host has a plurality of the filling valves, and the plurality of bottle protecting components are along the filling host The circumferential direction is set, and the bottle guard assembly is disposed in one-to-one correspondence with the filling valve.

The advantages or principles of the foregoing technical solutions are described below:

The bottle centering mechanism and the filling device, when the filling main body rotates, drives the bottle protecting component to rotate, the roller can roll along the cam, and the centering cup moves up and down, and when the bottle protecting component rotates to the filling host and the bottle feeding tray At the time, the center cup just covers the bottle mouth of the bottle on the bottle tray, and then the roller is separated from the cam. The bottle holder assembly is pressed against the weight by the weight and the bottle is transferred from the bottle to the filling machine, and then the bottle is held. Lift up until it is pressed against the valve port of the filling valve. After filling, the bottle protector is pressed against the weight and the bottle is lowered. After the drop, the bottle enters the intersection of the filling machine and the bottle tray. At this time, the roller of the bottle protector climbs along the cam, and the center cup is just right. Leave the bottle and the bottle leaves the filling machine and enters the bottle tray. Through the bottle centering mechanism, the bottle is stably operated during the process of handing over the bottle feeding tray and the filling host, or in the subsequent lifting, to avoid the occurrence of bottle or bottle dropping.

DRAWINGS

Figure 1 is a schematic view of the filling device of the embodiment;

Figure 2 is a schematic view of the bottle centering mechanism when it is at position A in Figure 1;

Figure 3 is a partial enlarged view of Figure 2;

Figure 4 is a schematic view of the bottle centering mechanism when it is at position B in Figure 1;

Figure 5 is a schematic view of the bottle centering mechanism when it is at the position D in Figure 1;

Figure 6 is a schematic view of the cooperation of the bottle protector assembly and the cam.

Description of the reference signs:

1, the bottle centering mechanism, 2, filling the host, 21, filling valve, 22, bottle lifting mechanism, 3, bottle into the tray, 4, bottle tray, 10, bottle components, 20, cam, 110, Guide rod 112, first rod, 114, second rod, 116, third rod, 120, roller, 130, support ring, 140, centering cup, 142, first chamfer, 144, groove, 150, Bottle mouth gasket, 152, second chamfer, 154, protrusion, 160, guide sleeve, 170, buffer sleeve, 180, wheel seat, 190, O-ring.

Detailed ways

In order to facilitate the understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the invention are given in the drawings. However, the invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be more fully understood.

It should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or the element can be present. When an element is considered to be "connected" to another element, it can be directly connected to the other element or. In contrast, when an element is referred to as being "directly on" another element, there is no intermediate element. The terms "vertical", "horizontal", "left", "right", and the like, as used herein, are for illustrative purposes only and are not meant to be the only embodiment.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. The terminology used in the description of the present invention is for the purpose of describing particular embodiments and is not intended to limit the invention. The term "and/or" used herein includes any and all combinations of one or more of the associated listed items.

As shown in FIG. 2-6, a bottle centering mechanism 1 includes a bottle protector assembly 10 and a cam 20, and the bottle protector assembly 10 includes a guide rod 110, a roller 120, a support ring 130, and a centering cup 140. One side of the cam 20 is an ascending section, and the other side is a descending section. The cam 20 is for being disposed on the outer circumference of the filling main body 2, the roller 120 is disposed on the guiding rod 110, and the roller 120 is The guide rod 110 can be raised or lowered relative to the filling valve 21 on the filling main body 2 along the rising or falling portion of the cam 20, and the support ring 130 is connected to the lower end of the guiding rod 110. The centering cup 140 is disposed in the support ring 130, and the centering cup 140 is disposed opposite to the filling valve 21.

As shown in FIG. 3, further, the bottle protector assembly 10 of the embodiment further includes a bottle mouth seal 150 disposed in the first through hole of the centering cup 140 and located in the pair. The upper end of the middle cup 140 is provided with a second through hole matching the filling valve 21 . By providing the bottle mouth seal 150, on the one hand for docking with the filling valve 21, to avoid leakage during the filling process, on the other hand, the bottle mouth gasket 150 is disposed in the first through hole of the centering cup 140 and Located at the upper end of the centering cup 140, it is convenient to abut the bottle mouth inserted by the lower end of the centering cup 140, so that the bottle is protected in the centering cup 140, to avoid bottle instability, and the bottle mouth gasket 150 The lower end surface is docked with the bottle mouth of the bottle, and the filling valve 21 can be inserted into the second through hole of the bottle mouth sealing gasket 150 to further improve the sealing performance of the filling process and prevent the filling liquid from leaking out. In the embodiment, the middle portion of the first through hole of the centering cup 140 is provided with a groove 144, and the lower end of the outer wall of the bottle mouth gasket 150 is provided with a protrusion 154, and the bottle mouth gasket 150 passes through the protrusion The 154 is fixed in the first through hole in cooperation with the groove 144, and is convenient to install. Of course, according to actual needs, the first through hole of the centering cup 140 can also be directly set as a stepped hole having a small diameter at the lower end and a small diameter at the lower end, and at the same time satisfying the docking of the canned valve and the abutment of the bottle mouth.

As shown in FIGS. 1, 6, the bottle assembly 10 can be rolled along the cam 20 during the rotation of the filling unit 2, and the centering cup 140 is moved up and down. When the bottle protecting assembly 10 is rotated to the filling host 2 and the bottle is inserted. At the intersection of the disc 3, i.e., at A in Fig. 1, as shown in Figs. 2 and 3, the centering cup 140 covers the mouth of the bottle on the bottle tray 3, and then the roller 120 is disengaged from the cam 20, the bottle guard assembly 10 The bottle is smoothly pressed and held by the self-weight to the filling main body 2, and then the bottle protecting assembly 10 protects the bottle from rotating with the filling machine 2, and the bottle is lifted up by the bottle pulling mechanism. That is, at B in Fig. 1, as shown in Fig. 4, at this time, the bottle mouth of the bottle, the bottle mouth seal 150, and the valve port of the filling valve 21 are pressed and centered. When the bottle comes to the C position in Fig. 1, the filling is completed, and then the bottle protecting assembly 10 is pressed against the weight and the bottle is lowered. After the falling, the bottle enters the intersection of the filling main body 2 and the discharging tray 4, that is, At D in Fig. 1, as shown in Figs. 5 and 6, at this time, the roller 120 of the bottle protector assembly 10 climbs along the cam 20, the centering cup 140 just leaves the bottle mouth, and then the bottle leaves the filling host 2 to enter the bottle tray. 4. Through the bottle centering mechanism 1, the bottle is operated stably during the transfer of the bottle feeding tray and the filling host 2, or during the subsequent lifting, to avoid the occurrence of bottle or bottle dropping.

As shown in FIG. 3, the lower end of the first through hole of the centering cup 140 is provided with a first chamfer 142, and the upper end of the second through hole of the bottle mouth gasket 150 is provided with a second chamfer 152. Through the first chamfer 142, the centering cup 140 can be smoothly inserted into the bottle mouth and centered with the bottle mouth, and the second chamfer 152 is facilitated to be centered with the valve port of the filling valve 21.

Further, as shown in FIGS. 2 and 4-6, the bottle protector assembly 10 further includes a guide sleeve 160 disposed in a valve seat of the filling valve 21, the guide rod 110 and the guide rod The guide sleeve 160 is clearance fit. When the roller 120 rolls along the rising or falling portion of the cam 20, the guide bar 110 smoothly rises or falls under the guidance of the guide sleeve 160, so that the centering cup 140 on the guide bar 110 protects the bottle from moving more smoothly. .

Further, as shown in FIGS. 2, 4, and 5, the bottle protector assembly 10 further includes a buffer sleeve 170. The buffer sleeve 170 is disposed at an upper end of the valve seat of the filling valve 21, and the guide rod 110 is disposed on the guide rod 110. There is a wheel base 180, the roller 120 is connected to the wheel base 180, and the buffer sleeve 170 is located below the wheel base 180. A buffer sleeve 170 is disposed between the wheel base 180 and the valve seat. If no bottle enters the filling main body 2, after the roller 120 leaves the cam 20, the bottle protecting assembly 10 will fall down until it contacts the buffer sleeve 170 and stops. In order to avoid the swaying of the bottle protector assembly 10, the wheel base 180 is not only used to carry the roller 120, but also the buffer sleeve 170 is disposed between the wheel base 180 and the valve seat, so that the wheel base 180 and the buffer sleeve 170 are in contact with each other. It also functions as a yielding cam 20.

Specifically, as shown in FIG. 2 and FIG. 5, the guiding rod 110 includes a first rod 112, a second rod 114 and a third rod 116 respectively connected to the wheel base 180, and the first rod 112 extends out The upper end of the wheel base 180 is disposed in parallel with the third rod 116 and extends out of the lower end of the wheel base 180. Two of the guide sleeves 160 are disposed in the valve seat of the filling valve 21. The second rod 114 and the third rod 116 are respectively matched with the corresponding guide sleeves 160. The buffer rods 170 are respectively sleeved on the second rods 114 and the third rods 116, and the second rods are respectively sleeved. 114. The bottom ends of the third rods 116 are respectively connected to the support ring 130. The stability of the bottle protector assembly 10 is further improved by the clearance between the second rod 114 and the third rod 116 arranged in parallel with the two guide sleeves 160 in the valve seat.

As shown in FIG. 3, the two ends of the centering cup 140 respectively protrude from the support ring 130, and the outer wall of the upper end of the centering cup 140 is provided with an annular groove, and the annular groove is provided with an O-ring 190. The O-ring 190 is snapped on the upper end surface of the support ring 130. The guide rod 110 and the wheel base 180, the support ring 130 or the wheel base 180 and the roller 120 are respectively connected by threads, screws or nuts, and the centering cup 140 is embedded on the support ring 130, and the upper end annular groove is embedded therein. O-ring 190 prevents the centering cup 140 from falling out of the support ring 130.

As shown in FIG. 1 and 6, a filling device includes a feeding tray 3, a bottle discharging tray 4, a filling host 2, and the bottle centering mechanism 1, and the bottle feeding tray 3 is disposed in the Filling the bottle inlet side of the main body 2, the bottle discharging tray 4 is disposed on the bottle discharging side of the filling host 2, and the cam 20 is disposed between the bottle feeding tray 3 and the bottle discharging tray 4, and The rising section is adjacent to the bottle opening tray 4, and the lowering section is adjacent to the bottle feeding tray 3.

The filling device is provided with a bottle assembly 10 on the filling host 2, and a cam 20 is disposed on the outer circumference of the filling host 2, and the cam 20 is located between the bottle feeding tray 3 and the bottle discharging tray 4 The bottle assembly 10 corresponds to the filling valve 21 on the filling main body 2, so that the bottle runs stably during the process of handing over the bottle feeding tray and the filling host 2, or during the subsequent lifting and filling process, avoiding the occurrence of the card bottle. Or drop the bottle.

The filling device of the embodiment includes a plurality of the bottle protecting components 10, the filling host 2 has a plurality of the filling valves 21, and the plurality of bottle protecting components 10 along the filling host The circumferential direction of 2 is set, and the bottle guard assembly 10 is disposed in one-to-one correspondence with the filling valve 21. The bottle centering mechanism 1 of the embodiment includes a plurality of the bottle protecting components 10 and one of the cams 20. When the filling host 2 is in operation, the plurality of bottle protecting components 10 thereon cooperate with the cams 20 in sequence. The filling process is completed and the filling efficiency is high and stable.

The technical features of the above-described embodiments may be arbitrarily combined. For the sake of brevity of description, all possible combinations of the technical features in the above embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be considered as the scope of this manual.

The above-described embodiments are merely illustrative of several embodiments of the present invention, and the description thereof is more specific and detailed, but is not to be construed as limiting the scope of the invention. It should be noted that a number of variations and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. Therefore, the scope of the invention should be determined by the appended claims.

Claims

A bottle centering mechanism, comprising: a bottle protector assembly and a cam, the bottle protector assembly comprising a guide rod, a roller, a support ring and a centering cup, one side of the cam being a rising section and the other side a descending section, the cam is for being disposed on an outer circumference of the filling main body, the roller is disposed on the guiding rod, and the roller is rotatable along a rising section or a descending section of the cam, so that the guiding rod The support valve is raised or lowered relative to the filling valve, the support ring is connected to the lower end of the guide rod, the centering cup is disposed in the support ring, and the centering cup and the filling The valves are oppositely disposed, and the centering cup is provided with a first through hole.
The bottle centering mechanism according to claim 1, wherein the bottle protector further comprises a bottle mouth seal, the bottle mouth seal being disposed in the first through hole of the centering cup, and located at the The upper end of the centering cup is provided with a second through hole matching the filling valve.
The bottle centering mechanism according to claim 2, wherein a lower end of the first through hole of the centering cup is provided with a first chamfer, and an upper end of the second through hole of the bottle mouth gasket is provided with a first Two chamfers.
The bottle centering mechanism according to claim 3, wherein the bottle protector further comprises a guide sleeve, the guide sleeve is disposed in a valve seat of the filling valve, the guide rod and the guide rod Guide sleeve clearance fit.
The bottle centering mechanism according to claim 4, wherein the bottle protector further comprises a buffer sleeve, the buffer sleeve is disposed at an upper end of the valve seat of the filling valve, and the guide rod is provided There is a wheel base, the roller is connected to the wheel seat, and the buffer sleeve is located below the wheel seat.
The bottle centering mechanism according to claim 5, wherein the guide rod comprises a first rod, a second rod and a third rod respectively connected to the wheel base, the first rod extending out The upper end of the wheel base, the second rod and the third rod are juxtaposed and extend out of the lower end of the wheel base, and the valve seat of the filling valve is provided with two guide sleeves, the second rod The third rod is respectively matched with the corresponding guide sleeve, and the buffer sleeve is respectively sleeved on the second rod and the third rod, and the bottom ends of the second rod and the third rod are respectively supported by the support Ring connection.
The bottle centering mechanism according to any one of claims 2 to 6, wherein both ends of the centering cup respectively protrude from the support ring, and the upper end outer wall of the centering cup is provided An annular groove is provided in the annular groove, and an O-ring is disposed on the upper end surface of the support ring.
The bottle centering mechanism according to any one of claims 2-6, wherein a central portion of the first through hole is provided with a groove, and a lower end of the outer wall of the bottle mouth gasket is provided with a protrusion. The bottle mouth seal is fixed in the first through hole by a protrusion and a groove.
A filling device, comprising: a bottle insertion tray, a bottle discharging tray, a filling host, and the bottle centering mechanism according to any one of claims 1-8, wherein the bottle feeding tray is disposed in the filling Loading the bottle inlet side of the main machine, the bottle discharging tray is disposed on the bottle discharging side of the filling host, the cam is disposed between the bottle feeding tray and the bottle discharging tray, and the rising section is close to the discharging a bottle tray, the descending section being adjacent to the bottle feeding tray.
The filling device according to claim 9, comprising a plurality of said bottle protecting assemblies, said filling main body having a plurality of said filling valves, said plurality of said bottle protecting members being along said The circumferential direction of the filling main body is set, and the bottle protecting component is disposed in one-to-one correspondence with the filling valve.