A bale press wheel disc mounting tool and a matching structure thereof

Abstract

The application provides a winding machine wheel disc installation tool, which comprises a tool base and a plurality of positioning frames connected with the butt joint side of the tool base and extending in the vertical direction, the plurality of positioning frames are arranged around the circumference, and the extension end of the positioning frame is provided with a temporary connection part; the positioning frame comprises a plurality of first positioning frames with relatively short extension length and a plurality of second positioning frames with relatively long extension length, and the first positioning frames and the second positioning frames are arranged continuously respectively. The installation tool can assist the installation of the winding machine wheel disc, after the installation tool is matched with the inner wheel disc, the plurality of sliders on the inner wheel disc can be arranged in a specific way, the cam disc is convenient to butt joint with the sliders and assembled with the inner wheel disc as a whole, the time required in the installation process is greatly saved, and the number of workers required in the installation process is reduced.

Description

Technical Field

[0001] This invention relates to the field of tobacco machinery, and more specifically to a wheel mounting fixture for a cigarette rolling machine and its mating structure. Background Technology

[0002] A cigarette packaging machine, also known as a cigarette packing machine, is a device used to package cigarettes into boxes. Common cigarette packaging machines include the GDX1 and GDX2 small box packaging machines designed and manufactured by the Italian company GD. The GDX2 small box packaging machine has a second wheel consisting of an inner wheel and a cam plate. Multiple clamping arms are mounted on a base surface of the inner wheel, each clamping arm is arranged radially along the inner wheel, and the clamping arms are arranged in a circumferential pattern. The inner end of the clamping arm is hinged to the inner wheel via a clamping arm shaft on the side closer to the base surface, and a slider is provided on the side away from the base surface. The cam plate has a cam groove with an irregular structure. When assembling the inner wheel and the cam plate, all the sliders need to be simultaneously engaged into the cam groove.

[0003] In the relaxed state, the multiple sliders on the inner wheel are arranged in a circular pattern, and their arrangement is inconsistent with the cam groove. Therefore, the inner wheel cannot be directly connected to the cam plate for installation. It is necessary to control the clamp arm to rotate to change the arrangement of some cams to adapt to the irregular structure of the cam groove. However, the clamp arm lacks a positioning mechanism, and the control of the clamp arm can only be done manually by the operator. Since there are multiple clamp arms on the inner wheel, multiple operators are often required to cooperate during installation to make the cams on the multiple clamp arms form a specific arrangement configuration. This makes the installation process time-consuming and laborious. In addition, the problem of insufficient control precision is inevitable when manually controlling the clamp arm, which further complicates the installation process. The time required to install the No. 2 wheel by manpower alone often exceeds half an hour, which affects the equipment installation and subsequent maintenance. Summary of the Invention

[0004] To address the aforementioned problems, this invention provides a wheel disc installation fixture for a wrapping machine. This fixture, when combined with the inner wheel disc of the second wheel, allows for direct assembly of the cam disc and the inner wheel disc. Installation can be completed by a single person, significantly reducing installation time.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A rolling machine wheel mounting fixture includes a fixture base and a plurality of positioning frames that are connected to the mating side of the fixture base and extend in the vertical direction. The plurality of positioning frames are arranged in a circle, and the extended ends of the positioning frames are provided with temporary connecting parts. The positioning frames include a plurality of first positioning frames with shorter extension lengths and a plurality of second positioning frames with longer extension lengths, and the first positioning frames and the second positioning frames are arranged continuously.

[0007] It should be noted that in this invention, "continuous arrangement" means that the first positioning frames are arranged adjacently without interspersing the second positioning frames, and the second positioning frames are arranged adjacently without interspersing the first positioning frames. For example, if the first positioning frame is denoted as A and the second positioning frame is denoted as B, then the arrangement of AAABBB is called a continuous arrangement of A and B, while the arrangement of AABABB is a non-continuous arrangement.

[0008] Furthermore, the tooling base includes a ring-shaped mounting frame and a through-hole formed by the mounting frame, wherein the outer edge of the mounting frame has a relief opening that is radially recessed toward the through-hole.

[0009] Furthermore, the positioning frame includes three first positioning frames and four second positioning frames, and the clearance is disposed between the consecutively arranged first positioning frames or between the first positioning frames and the second positioning frames.

[0010] Furthermore, the angle formed by the line connecting two directly adjacent positioning frames to the axis of the tooling base is 45°, and the angle formed by the line connecting two adjacent positioning frames across the clearance opening to the axis of the tooling base is 90°.

[0011] Furthermore, the temporary connection portion includes an abutting end face facing the extension direction of the positioning frame and a mating side face facing the radially outer side of the tooling base, and a magnetic suction component is provided on the mating side face.

[0012] Furthermore, the abutting end face of the first positioning frame is arranged parallel to the mating side, and the mating side is arranged perpendicular to the mating side; the abutting end face of the second positioning frame is arranged at an angle to the mating side, and the distance between the abutting end face and the mating side gradually increases in the direction toward the radially outward of the tooling base; the mating side of the second positioning frame is arranged at an angle to the axis of the tooling base, and the distance between the mating side and the axis gradually decreases in the direction away from the mating side.

[0013] Furthermore, the tooling base is provided with several connection holes.

[0014] Furthermore, the tooling also includes several connecting columns, the two ends of which form connecting heads. Each connecting head includes a support block that can fit against the mating side and an end that can mate with the connecting hole.

[0015] Another object of the present invention is to provide a mating structure based on the above-mentioned mounting fixture, the mating structure comprising the mounting fixture and an inner wheel; a plurality of clamping arms arranged circumferentially are provided on the first base surface of the inner wheel, each clamping arm being radially arranged along the inner wheel, the inner end of the clamping arm being hinged to the inner wheel via a clamping arm shaft on the side near the first base surface, and a slider being provided on the side of the inner end away from the base surface; the outer end of the clamping arm forming a mating joint; and the edge of the inner wheel forming a plurality of radially inwardly recessed slots, each of the slots corresponding to one of the mating joint positions. The mounting fixture is positioned on the second base surface of the inner disc, with its mating side parallel to the second base surface. Each positioning frame passes through a slot, and the temporary connecting part of the positioning frame forms a detachable connection with the mating joint of the clamp arm. The first positioning frame positions the mating joint of the clamp arm at a first positioning point relatively close to the first base surface, and positions the slider of the clamp arm in a first mating position. The second positioning frame positions the mating joint of the clamp arm at a second positioning point relatively far from the first base surface, and positions the slider of the clamp arm in a second mating position.

[0016] Furthermore, the mating side is connected to the second base surface by a number of connecting posts.

[0017] The following beneficial effects can be achieved by applying the technical solution of this invention:

[0018] 1. The installation fixture provided by the present invention can assist in the installation of the packaging machine wheel. After the installation fixture is used in conjunction with the inner wheel, it can arrange multiple sliders on the inner wheel in a specific way so as to correspond to the shape of the cam groove of the cam plate, so that multiple sliders can be simultaneously engaged in the cam groove, realizing the assembly between the inner wheel and the cam plate, greatly saving the time required to adjust the position of the clamp arm during the installation process, and shortening the installation time to three minutes.

[0019] 2. The installation fixture provided by the present invention positions the clamp arm of the inner wheel disc using a positioning frame. During the installation of the inner wheel disc and the cam disc, multiple people are not required to manually adjust the position of the clamp arm. A single person can complete the installation of the second wheel, which greatly saves manpower.

[0020] 3. The installation fixture provided by this invention has a simple structure, low manufacturing cost, and simple and quick cooperation and disassembly with the inner wheel disc. It is easy to use and only one installation fixture is needed to meet the installation requirements of the No. 2 wheel in the entire workshop.

[0021] 4. In some embodiments, the installation fixture provided by the present invention is also provided with a clearance opening to avoid other mechanisms in the equipment, which further optimizes the convenience of the fixture when applied to the packaging machine and improves the installation efficiency. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the installation fixture in the embodiment;

[0023] Figure 2 This is a structural diagram of the connecting column;

[0024] Figure 3 This is a schematic diagram of the structure of the first base surface of the inner wheel;

[0025] Figure 4 This is a schematic diagram of the structure of the second base surface of the inner disk;

[0026] Figure 5 This is a schematic diagram of the cam disk structure;

[0027] Figure 6 A schematic diagram of the tooling fit structure for installation on the second base surface;

[0028] Figure 7 A schematic diagram of the tooling fit structure for installation on the first base surface;

[0029] In the figure, 1-tool base, 11-dating side, 12-first connecting hole, 13-avoidance opening, 2-positioning frame, 21-first positioning frame, 211-first temporary connecting part, 2111-first abutting end face, 2112-first mating side, 22-second positioning frame, 221-second temporary connecting part, 2211-second abutting end face, 2212-second mating side, 222-magnetic suction assembly, 3-inner wheel, 31-first base surface, 32-second base surface, 33-slot, 34-bore, 341-second connecting hole, 4-clamp arm, 41-inner end, 411-clamp arm shaft, 412-slider, 42-dating joint, 43-metal sheet, 5-connecting column, 51-support block, 52-end, 6-cam plate, 61-cam groove, 611-first groove wall, 612-second groove wall. Detailed Implementation

[0030] The technical solution of the present invention will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention. Example

[0031] This embodiment provides a wheel disc mounting fixture for a wrapping machine. When in use, this fixture forms a mating structure with the inner wheel disc of the second wheel of the GDX2 packaging machine to assist in the assembly between the inner wheel disc of the second wheel and the cam disc of the second wheel; see reference. Figure 1The mounting fixture includes a fixture base 1 and several positioning frames 2 connected to the mating side 11 of the fixture base. The positioning frames extend in a direction perpendicular to the mating side. The fixture base includes a mounting frame that is mostly circular in structure and an opening formed by the mounting frame. A portion of the mounting frame bends inward toward the opening, so that the outer edge of the mounting frame forms a radially recessed clearance opening 13. Several first connecting holes 12 are provided on the mounting frame. The positioning frame 2 includes a first positioning frame 21 with a shorter extension length relative to the mating side 11 and a positioning frame 22 with a shorter extension length relative to the mating side 11. The second positioning frame 22 has a longer extension length. The extended end of the first positioning frame forms a first temporary connection portion 211. The first temporary connection portion includes a first abutting end face 2111 parallel to the mating side facing the extension direction and a first mating side face 2112 perpendicular to the mating side facing the radially outward direction. The extended end of the second positioning frame forms a second temporary connection portion 221. The second temporary connection portion includes a second abutting end face 2211 angled to the mating side and a second mating side face 2212 angled to the axis of the mounting frame. The distance between the second abutting end face 2211 and the mating side face 11 gradually increases in the direction away from the mating side face 11, and the distance between the second mating side face 2212 and the axis of the mounting frame gradually decreases in the direction away from the mating side face 11. Magnetic suction components 222 are provided on both the first mating side face 2112 and the second mating side face 2212. The first positioning frame and the second positioning frame are arranged equidistantly around the circumference of the ring structure portion of the mounting frame. Specifically, the angle between the line connecting directly adjacent positioning frames and the axis of the mounting frame is 45°, that is, the positioning frames are arranged in an eight-part circle. However, in this embodiment, the positioning frames are actually... The total number is seven, including three first positioning frames and four second positioning frames. The clearance opening 13 occupies one of the eight division points of the circumference, allowing the seven positioning frames to be arranged in an eight-part circular pattern. According to the above arrangement specifications, the angle between the line connecting two adjacent positioning frames across the clearance opening and the axis of the mounting frame should be 90°. In this embodiment, the four second positioning frames are arranged consecutively, that is, no first positioning frames are interspersed between adjacent second positioning frames. The three first positioning frames are arranged consecutively, or the clearance opening is interspersed between the three first positioning frames. Figure 1 In the structure shown, the clearance is located between the first positioning frames; as Figure 2 As shown, the installation fixture also includes a connecting column 5 that is connected to the fixture base 1 during use. The two ends of the connecting column form connectors. Each connector includes a support block 51 that can fit against the mating side 11 of the fixture base and an end that can be inserted into the first connecting hole 12.

[0032] Figures 3-5A schematic diagram of the structure of the second wheel of the GDX2 packaging machine is shown. The second wheel includes an inner wheel disk 3 and a cam disk 6 that are assembled together during use. Eight clamp arms 4 are mounted on the first base surface 31 of the inner wheel. Each clamp arm is arranged radially along the inner wheel and is evenly distributed radially around the circumference to form an eight-part structure. Each clamp arm includes an inner end 41 near the axis of the inner wheel and an outer end away from the axis of the inner wheel. The side of the inner end near the first base surface is hinged to the inner wheel via a clamp arm shaft 411. A slider 412 is provided on the side of the inner end away from the first base surface. The outer end is provided with a mating joint 42, which includes a mating surface facing the first base surface and an outer end surface facing the outer end. A metal sheet 43 is mounted on the outer end surface. The metal sheet extends along the outer end surface towards the first base surface and passes over the mating surface to form a magnetic attraction part. Eight slots 33 are evenly arranged around the circumference of the edge of the inner wheel, and each slot corresponds to one of the mating joint positions. Eight bosses 34 are arranged around the circumference on the second base surface 32 of the inner wheel. A second connecting hole 341 perpendicular to the second base surface is formed in the middle of each boss. The cam disk has an annular cam groove 61 with an irregular structure. Specifically, the cam groove 61 includes a first region formed by a first groove wall and a second region formed by a second groove wall. The first groove wall extends along a circumference with a relatively large radius, and the second groove wall extends along a circumference with a relatively small radius. In the assembled state, the sliders 412 on the eight clamping arms of the inner wheel disk are all engaged in the cam groove, so that the inner wheel disk and the cam disk form an integral structure.

[0033] Figure 6 and Figure 7 It shows Figure 1The diagram shows the mating structure of the mounting fixture and the inner wheel disc of the second wheel. The mounting fixture is located on one side of the second base surface of the inner wheel disc, and is supported and positioned by the connecting column 5. Specifically, the connector at the first end of the supporting column 5 mates with the first connecting hole 12 of the fixture base, and the connector at the second end mates with the second connecting hole 341 in the middle of the inner wheel disc boss, thus positioning the mounting fixture and the inner wheel disc. The positioning frame 2 of the mounting fixture passes through the slot 33 on the edge of the inner wheel disc and connects with the clamp arm on the first base surface of the inner wheel disc. Specifically, the first temporary connecting part 211 at the end of the first positioning frame connects with the butt joint 42 at the outer end of the clamp arm. The first abutting end face 2111 is connected to the mating surface of the connector, and the first mating side face 2112 is connected to the magnetic attraction mating part formed by the metal sheet 43. The magnetic attraction component provided on the first mating side face can form a magnetic attraction connection with the magnetic attraction mating part, thereby forming a temporary connection between the clamp arm and the positioning frame. The second positioning frame is similar. However, since the second positioning frame lifts up the clamp arm, the orientation of some sides of the clamp arm that are used to mate with the temporary connection part of the second positioning frame is deflected. Therefore, in this embodiment, the arrangement of the second abutting end face 2211 and the second mating side face 2212 of the second positioning frame is different from that of the first positioning frame, so as to adapt to the orientation change after the clamp arm is lifted up. The first abutting end face of the first positioning frame is approximately flush with the first base surface. The mating joint connected to the first positioning frame is located at a first positioning point approximately flush with the first base surface. The second abutting end face of the second positioning frame extends beyond the first base surface, forming a certain height difference with it. The mating joint connected to the second positioning frame is located at a second positioning point raised relative to the first base surface. When the clamp arm is raised, the slider 412 at its inner end will slightly move towards the inner wheel axis. Based on the arrangement of the first and second positioning frames on the mounting fixture, four consecutively arranged clamp arms will be raised, and the corresponding four sliders will move towards the inner wheel axis. These four sliders are arranged circumferentially and are in the second mating position. The other three clamp arms are in a non-lifted state, with their sliders arranged in a circle and positioned in the first mating position. Obviously, the circumference of the second mating position is slightly smaller than that of the first mating position, which corresponds to the shape of the cam groove of the cam disk. The slider in the second mating position can be engaged in the second area formed by the second groove wall, and the slider in the first mating position can be engaged in the first area formed by the first groove wall. Therefore, after the installation fixture and the inner wheel disk form a mating structure, the cam disk can be directly installed after adjusting its own angle, and the sliders on the clamp arms can be easily engaged in the cam groove. This eliminates the need for a large number of workers to manually control the position of the clamp arms, reducing the installation time to about three minutes.

[0034] In the above embodiment, the number of first positioning frames is three instead of four. This is mainly due to the overall structural design of the GDX2 packaging machine. One of the slots of the inner wheel needs to be equipped with a first-station short-side folding device. To avoid interference with the first-station short-side folding device, the tooling base provided in the embodiment has a clearance opening 13. Therefore, it is inevitable to reduce the number of positioning frames. The reason for reducing the number of first positioning frames is that the clamping arms corresponding to the first positioning frames are in a flat position relative to the inner wheel during installation. Without the restriction of the positioning frames, it is easy for the operator to control the clamping arms in this state manually. However, the clamping arms corresponding to the second positioning frames need to be raised at a certain angle, which is relatively difficult to control. Therefore, a more operable solution was chosen, that is, reducing the number of first positioning frames from four to three. The above limitations are based on the design of the GDX2 packaging machine. When applied to some other models of equipment, due to the different arrangement of the mechanisms, the positional resistance problem may disappear. In this case, it is not necessary to set a clearance opening. In this case, setting the first positioning frames to four should also be a feasible solution.

[0035] Furthermore, the tooling provided in the above embodiments is for... Figures 3-4 The inner wheel structure with eight clamping arms shown may have a different number of clamping arms in some other models of equipment. In this case, the number and arrangement of the tooling positioning frame should be adjusted accordingly, but the principle of use is the same as the above embodiment.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A tooling for mounting a wheel disc on a wrapping machine, characterized in that: The device includes a tooling base and several positioning frames that connect to the mating side of the tooling base and extend vertically. The positioning frames are arranged circumferentially, and each positioning frame has a temporary connecting portion at its extended end. Each positioning frame includes several first positioning frames with shorter extension lengths and several second positioning frames with longer extension lengths, and the first and second positioning frames are arranged consecutively. The temporary connecting portion includes an abutting end face facing the extension direction of the positioning frame and a mating side face facing the radially outward side of the tooling base. A magnetic suction component is provided on the mating side face. The abutting end face of the first positioning frame is parallel to the mating side face. The second positioning frame is positioned so that its mating side is perpendicular to the mating side; the abutting end face of the second positioning frame is set at an angle to the mating side, and the distance between the abutting end face and the mating side gradually increases in the direction toward the radially outward direction of the tooling base; the mating side of the second positioning frame is set at an angle to the axis of the tooling base, and the distance between the mating side and the axis gradually decreases in the direction away from the mating side; the tooling base is provided with a plurality of connecting holes; the tooling also includes a plurality of connecting columns, the two ends of which form connecting heads, the connecting heads including a support block that can fit against the mating side and an end that can fit with the connecting holes.

2. The rolling and packaging machine disc mounting fixture according to claim 1, characterized in that: The tooling base includes a ring-shaped mounting frame and a through-hole formed by the mounting frame, and the outer edge of the mounting frame has a relief opening that is radially recessed towards the through-hole.

3. The rolling and packaging machine disc mounting fixture according to claim 2, characterized in that: The positioning frame includes three first positioning frames and four second positioning frames, and the clearance is provided between the consecutively arranged first positioning frames or between the first positioning frames and the second positioning frames.

4. The rolling and packaging machine disc mounting fixture according to claim 3, characterized in that: The angle formed by the line connecting two directly adjacent positioning frames to the axis of the tooling base is 45°, and the angle formed by the line connecting two adjacent positioning frames across the clearance opening to the axis of the tooling base is 90°.

5. A mounting fixture mating structure, comprising an inner wheel and the mounting fixture according to any one of claims 1 to 4, characterized in that: The inner wheel has a plurality of clamp arms arranged in a circular pattern on its first base surface. Each clamp arm is radially arranged along the inner wheel. The inner end of the clamp arm is hinged to the inner wheel via a clamp arm shaft on the side closest to the first base surface, and a slider is provided on the side of the inner end away from the base surface. The outer end of the clamp arm forms a mating joint. The edge of the inner wheel has a plurality of radially inward recessed slots, each slot corresponding to a mating joint position. The mounting fixture is arranged on the second base surface of the inner wheel, with the mating side of the mounting fixture parallel to the second base surface. Each positioning frame passes through one of the slots, and the temporary connecting part of the positioning frame is detachably connected to the mating joint of the clamp arm. The first positioning frame positions the mating joint of the clamp arm at a first positioning point relatively close to the first base surface and positions the slider of the clamp arm in a first mating position. The second positioning frame positions the mating joint of the clamp arm at a second positioning point relatively far from the first base surface and positions the slider of the clamp arm in a second mating position.

6. The installation tooling mating structure according to claim 5, characterized in that: The mating side is connected to the second base surface by a number of connecting posts.

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