A star wheel and a guard plate connecting structure

Abstract

This utility model discloses a connection structure for a star wheel and a guard plate, comprising a cylindrical column for fixing the star wheel or guard plate, and a sleeve that separates each layer of star wheel or guard plate inside the column. The key feature is that two parallel rectangular cutouts forming wrench openings are provided on both sides of the outer wall of the column. A spacer is fitted inside the wrench openings. The inner wall of the spacer has two parallel rectangular cutouts on both sides that mate with the wrench openings, and the outer wall has two parallel rectangular cutouts forming spacer wrench openings. By providing two parallel rectangular cutouts on both sides of the outer wall of the column, after the spacer is fitted into the column, the rectangular cutouts on both sides of the inner wall of the spacer are precisely engaged with the wrench openings on the column. The wrench can be embedded in the spacer wrench openings on both sides of the outer wall of the spacer, making it less likely for the column to rotate when disassembling the star wheel or guard plate, thus making disassembly more convenient and improving the production efficiency of the enterprise.

Description

Technical Field

[0001] This utility model relates to the field of liquid packaging machinery, and in particular to a connection structure of a star wheel and a guard plate for liquid packaging machinery. Background Technology

[0002] In single-unit bottle-carrying bottom-transfer equipment for liquid packaging machinery, the bottles are driven by star wheels on the bottle body, and protected and guided by outer protective plates to complete the bottle transfer. The connection methods and structures of the star wheels and protective plates vary, ranging from those facilitating quick installation and disassembly to those prioritizing stability over ease of disassembly. Because this type of single-unit bottle-carrying bottom-transfer equipment requires filling multiple bottle sizes on a single machine, the number of star wheels and protective plate sets also increases. Regardless of the structure, ease of disassembly and adjustment during installation or debugging must be considered. The number of layers in the star wheel and protective plate structure is defined according to the bottle size, with each layer fixed and separated by columns and sleeves.

[0003] Connecting the star wheel and guard plate using columns and sleeves has several advantages: First, the columns are made of standard round bar stock, making processing convenient and easy to standardize. Second, the layers are separated by sleeves of different heights, and the sleeves are also standard parts, cut to the required length. Third, both the columns and sleeves are standard rotating parts, requiring no additional features for connection. However, this connection method also has disadvantages: even with a wrench position on the column, when the number of star wheel and guard plate layers exceeds three, the wrench position is blocked by the sleeve during disassembly, rendering it ineffective. This makes disassembly cumbersome, requiring simultaneous removal of screws on both sides. Even then, sometimes disassembly is impossible due to the column's rotation. When filling multiple bottle sizes on the same machine, this severely impacts production efficiency. This application addresses these issues. Utility Model Content

[0004] The purpose of this utility model is to provide a connection structure for the star wheel and guard plate that is easy to disassemble, so as to improve the production efficiency of enterprises.

[0005] The connection structure of the star wheel and guard plate of this utility model includes a cylindrical column for fixing the star wheel or guard plate, a sleeve that separates each layer of star wheel or guard plate is inserted into the column, and two parallel rectangular cut surfaces forming a wrench opening are provided on both sides of the outer wall of the column. A spacer is inserted into the wrench opening, and two parallel rectangular cut surfaces that cooperate with the wrench opening are provided on both sides of the inner wall of the spacer. Two parallel rectangular cut surfaces forming a spacer wrench opening are provided on both sides of the outer wall.

[0006] The connection structure of the star wheel and guard plate described in this utility model features two parallel rectangular cutouts forming wrench openings on both sides of the outer wall of the column. After the spacer is fitted into the column, the rectangular cutouts on both sides of the inner wall of the spacer are precisely locked onto the wrench openings of the column. The wrench can be embedded in the spacer wrench openings on both sides of the outer wall of the spacer, making it less likely for the column to rotate when disassembling the star wheel or guard plate, thus making disassembly more convenient and improving the production efficiency of the enterprise. In addition, since only two parallel rectangular cutouts forming wrench openings are needed on both sides of the outer wall of the column, the processing is simpler. The spacer only needs to have corresponding rectangular cutouts processed on the inner wall and two parallel rectangular cutouts forming spacer wrench openings processed on the outer wall to be installed together. This not only facilitates processing but also makes installation more convenient.

[0007] As a preferred embodiment of this utility model, the wrench opening is located between the socket and the star wheel or the guard plate.

[0008] As a preferred embodiment of this utility model, the wrench opening is located between the top of the socket and the bottom of the star wheel or the guard plate.

[0009] As a preferred embodiment of this utility model, the spacer wrench opening is located on the outer wall of the spacer opposite to the rectangular cut opening and is parallel to the rectangular cut opening.

[0010] As a preferred embodiment of this utility model, the wrench opening is located in the upper section of the column.

[0011] As a preferred embodiment of this utility model, the wrench opening extends from the end of the upper section of the column to the bottom of the star wheel or guard plate, and a wrench opening position for inserting the spacer is reserved at the bottom of the top star wheel or guard plate. The bottom of the spacer is a sleeve fitted onto the column, and the bottom of the sleeve is the top of another star wheel or guard plate.

[0012] As a preferred embodiment of this utility model, the top and bottom of the column are provided with screw holes, and screws for fixing the star wheel or guard plate to the column are screwed into the screw holes. The star wheel or guard plate is provided with countersunk holes for receiving screw caps. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the connection structure of the star wheel and guard plate of this utility model on liquid packaging machinery; Figure 2 for Figure 1 Sectional view of AA; Figure 3 This is the main view of the column; Figure 4 This is a top view of the column; Figure 5 Sectional view of the spacer; Figure 6 This is a top view with a sectional view. Detailed Implementation

[0014] The technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0015] In this utility model, it should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0016] A connection structure for a star wheel and a guard plate, such as Figure 1 - Figure 6 As shown, it includes a cylindrical column 3 for fixing the star wheel 1 or the guard plate 2, a sleeve 4 that separates each layer of star wheel or guard plate is inserted inside the column, and two parallel rectangular cutouts 5 are provided on both sides of the outer wall of the column. A spacer 6 is inserted inside the spacer, and two parallel rectangular cutouts 7 that cooperate with the spacer are provided on both sides of the inner wall of the spacer, and two parallel rectangular cutouts 8 are provided on both sides of the outer wall of the spacer.

[0017] like Figure 1 and Figure 2 As shown, in the single-machine bottle bottom conveying device of liquid packaging machinery, the bottle is driven by the star wheel 1 on the bottle body, and the outer protective plate 2 serves as a protective guide to complete the bottle conveying. The inner ring of the star wheel 1 is clamped and fixed on the star wheel seat 13, and then fixed by the column. The outer ends of the protective plate are fixed by the support column 12, and then fixed by the column. The number of layers of the star wheel 1 and protective plate 2 is defined according to the bottle specifications. In this embodiment, according to the bottle specifications, the star wheel 1 and protective plate 2 adopt three layers. Each layer of star wheel 1 and protective plate 2 is fixed and separated by the column 3 and the sleeve 4. The column is a cylindrical column, and the sleeve is cylindrical with through holes at the top and bottom, which can be inserted into the column. Steps are formed on the upper and lower end faces of the sleeve. The star wheel or protective plate is clamped on the end face step of the sleeve, separating each layer of star wheel or protective plate. The spacer has through holes at the top and bottom, allowing it to be fitted onto the column. The rectangular cutout on the inner wall of the spacer mates with the wrench opening on the column. The wrench opening is located on the outer wall of the spacer opposite the rectangular cutout and is parallel to it, facilitating the removal of the star wheel or guard plate. The spacer also has stepped surfaces at both ends. The stepped surface at the bottom of the spacer abuts against the stepped surface of the sleeve, and the stepped surface at the top of the spacer abuts against the star wheel or guard plate.

[0018] The top and bottom of the column are provided with screw holes 9, and screws 10 are screwed into the screw holes to fix the star wheel or guard plate to the column. The star wheel or guard plate is provided with countersunk holes 11 for storing screw caps, which can store the screw caps for a more aesthetically pleasing look.

[0019] The wrench opening is located between the socket and the star wheel or guard plate. A spacer can be installed on the wrench opening between the socket and the star wheel or guard plate, making it easier to remove the star wheel or guard plate. Alternatively, the wrench opening can be located between the top of the socket and the bottom of the star wheel or guard plate. Since the wrench opening is located at the top of the socket, installing the spacer by moving the wrench opening upwards also facilitates the removal of the star wheel or guard plate. The wrench opening is located in the upper section of the column and extends from the end of the upper section to the bottom of the star wheel or guard plate. A wrench opening position for inserting a spacer is reserved at the bottom of the topmost star wheel or guard plate. The bottom of the spacer is the socket fitted onto the column, and the bottom of the socket is the top of another layer of star wheel or guard plate.

[0020] like Figure 2 When the sectional view AA shows three layers of protective plates and star wheels, the bottom star wheel or protective plate is installed on the column with screws. Then, a sleeve is fitted onto the column, and another layer of star wheels or protective plates is installed. The bottom of this layer of star wheels or protective plates is tightly pressed against the stepped surface at the end of the sleeve. Then, another sleeve is fitted onto the column, and a spacer is fitted onto the wrench lock at the top of the sleeve. The stepped surface at the bottom of the spacer abuts against the stepped surface at the end of the sleeve. Finally, the top star wheel or protective plate is installed, and the bottom of the star wheel or protective plate abuts against the stepped surface at the top of the spacer. Finally, the top star wheel or protective plate is tightened and fixed to the column with screws. The assembly and disassembly of the star wheels and protective plates can be achieved by using the spacer wrench lock on the spacer.

[0021] The above embodiments are only used to illustrate the detailed solution of this utility model. This utility model is not limited to the above detailed solution, that is, it does not mean that this utility model must rely on the above detailed solution to be implemented. Those skilled in the art should understand that any improvement to this utility model, equivalent substitution of the raw materials of this utility model product, addition of auxiliary components, selection of specific methods, etc., all fall within the protection scope and disclosure scope of this utility model.

Claims

1. A connection structure for a star wheel and a guard plate, comprising a cylindrical column (3) for fixing a star wheel (1) or a guard plate (2), wherein a sleeve (4) is fitted inside the column to separate each layer of star wheel or guard plate, characterized in that, Two parallel rectangular cut surfaces are provided on both sides of the outer wall of the column to form a wrench opening (5). A spacer (6) is inserted inside the wrench opening. Two parallel rectangular cut surfaces (7) are provided on both sides of the inner wall of the spacer to cooperate with the wrench opening. Two parallel rectangular cut surfaces are provided on both sides of the outer wall to form a spacer wrench opening (8).

2. The star wheel, apron connecting structure according to claim 1, characterized by The wrench opening is located between the socket and the star wheel or guard plate.

3. The star wheel, apron connecting structure according to claim 2, characterized by The wrench opening is located between the top of the socket and the bottom of the star wheel or guard plate.

4. The star wheel, apron connecting structure according to claim 1, characterized by The spacer wrench opening is located on the outer wall of the spacer opposite the rectangular cutout and is parallel to the rectangular cutout.

5. The connection structure of the star wheel and the guard plate according to claim 1, characterized in that, The wrench opening is located on the upper part of the column.

6. The star wheel, apron connecting structure according to claim 5, characterized by The wrench opening extends from the end of the upper section of the column to the bottom of the star wheel or guard plate, and a wrench opening position for inserting the spacer is reserved at the bottom of the top star wheel or guard plate. The bottom of the spacer is a sleeve that fits onto the column, and the bottom of the sleeve is the top of another star wheel or guard plate.

7. The connection structure of the star wheel and the guard plate according to any one of claims 1-6, characterized in that, The top and bottom of the column are provided with screw holes (9), and screws (10) are screwed into the screw holes to fix the star wheel or guard plate to the column. The star wheel or guard plate is provided with countersunk holes (11) for storing screw caps.

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