CN219405621U - Paper cup machine bottom knurling mechanism - Google Patents
Paper cup machine bottom knurling mechanism Download PDFInfo
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- CN219405621U CN219405621U CN202320516486.9U CN202320516486U CN219405621U CN 219405621 U CN219405621 U CN 219405621U CN 202320516486 U CN202320516486 U CN 202320516486U CN 219405621 U CN219405621 U CN 219405621U
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- knurling
- ring
- paper cup
- rotating sleeve
- cup machine
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Abstract
The utility model discloses a paper cup machine bottom embossing mechanism which comprises a knurling outer die and knurling wheels, wherein the knurling outer die is fixedly arranged at the upper end of an outer sleeve, the knurling wheels are rotatably arranged at the upper part of a sliding block in the knurling outer die, a rotating sleeve is coaxially and rotatably arranged in the outer sleeve, the sliding block is arranged at the upper end of the rotating sleeve and can slide radially, a push rod is coaxially arranged at the rotating sleeve, the push rod can slide axially along the rotating sleeve, a shifting fork is arranged at the upper end of the rotating sleeve and is arranged below the sliding block, the shifting fork is of a V-shaped structure, ball heads are respectively arranged at two ends of the V shape and are in transmission connection with the push rod and the sliding block, when the push rod slides up and down, the knurling wheels are driven to be close to or far away from the inner wall of the knurling outer die, and a gear for meshed transmission with a paper cup machine transmission system is arranged at the lower end of the rotating sleeve, which extends out of the outer sleeve.
Description
Technical Field
The utility model relates to the technical field of paper cup machines, in particular to a bottom embossing mechanism of a paper cup machine.
Background
In the paper cup manufacturing process, a cup body and a cup bottom are respectively molded, then the cup bottom is combined with the cup body, the combination is completed by a bottom rolling device (bottom embossing mechanism), in the prior art, a knurling wheel of the bottom rolling device is usually arranged on a movable block (namely a sliding block), a top shaft moves up and down, the movable block is driven to move to one side of a rolling wheel seat (radially moves) through an inclined plane of the top shaft (namely a top rod) to perform knurling, and after the completion, the movable block is reset to the center through a spring and the top, and the structure can generate larger radial component force on the top shaft during knurling, so that abrasion between the top shaft and a rotating sleeve is fast, the movable block is easy to loose, and further, the knurling is not compact, the combination of the cup is low and the cup body is firm, and the sealing is not good; meanwhile, the reset spring is a small spring, and is easily influenced by the high temperature of the rolling wheel to cause the failure of the spring and influence the normal work.
Disclosure of Invention
The utility model aims to provide a bottom embossing mechanism of a paper cup machine, which aims to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a paper cup machine bottom knurling mechanism, includes knurling external mold 4, knurling wheel 5, knurling external mold 4 fixed mounting is in outer lasso 1 upper end, knurling wheel 5 is located rotatable install in slider 6 upper portion in the knurling external mold 4, rotate 7 coaxial rotatable install in the outer lasso 1, slider 6 is installed rotate 7 upper end and can radially slide, ejector pin 14 coaxial install in rotate 7 just ejector pin 14 can follow rotate 7 axial slip of cover, rotate 7 upper end of cover and be located slider 6 below has installed shift fork 8, shift fork 8 is V-arrangement structure, V-arrangement both ends all be equipped with the bulb respectively with ejector pin 14 and slider 6 transmission connection, when ejector pin 14 slides from top to bottom, ejector pin 14 drives the drive of shift fork 8 the knurling wheel 5 is close to or keeps away from knurling external mold 4 inner wall, rotate 7 and extend the lower extreme of outer lasso 1 installs the gear 3 that is used for with paper cup machine transmission system meshing transmission.
Further, a sliding groove 702 is radially formed in the upper end of the rotating sleeve 7, the lower portion of the sliding block 6 is slidingly matched with the sliding groove 702, a cavity 703 is formed in the rotating sleeve 7 and located below the sliding groove 702, the cavity 703 is located on one side of the axis of the rotating sleeve 7, a shifting fork 8 is installed in the cavity 703, the middle of the V-shaped part of the shifting fork is rotatably hinged to the rotating sleeve 7 through a pin shaft 9, an active shifting groove 1401 is formed in the side wall of the upper end of the ejector rod 14 and is matched with a ball head at the lower end of the shifting fork 8, and the ball head at the upper end of the shifting fork 8 is matched with a passive shifting groove 601 formed in the bottom of the sliding block 6.
Further, the rotating sleeve 7 is rotatably connected with the outer ring 1 through an upper bearing 10 and a lower bearing 13 which are arranged at intervals, a kidney-shaped groove 701 is axially formed in the outer wall of the rotating sleeve 7, the kidney-shaped groove 701 is close to the lower bearing 13, the length of the kidney-shaped groove is matched with the stroke of the ejector rod 14, a stop pin 12 is arranged on the ejector rod 14 in a penetrating manner, two ends of the stop pin 12 extend out of the kidney-shaped groove 701 and are used for being abutted to the lower end of a spring 11, and the upper end of the spring 11 is abutted to the lower end of an inner ring of the upper bearing 10.
Further, the lower end of the outer ring 1 is sleeved with a locking flange ring 2, the locking flange ring 2 comprises a flange part 201, a fixing half ring 203 coaxially integrated with the flange part 201 and a pressing half ring 202 matched with the fixing half ring 203, and the pressing half ring 202 is connected with the fixing half ring 203 through a fastener to tightly hold the outer ring 1.
Further, the rotating sleeve 7, the pin shaft 9 and the sliding block 6 are all made of die steel, and the outer ferrule 1 and the locking flange ring 2 are all made of 7075 aluminum alloy.
The utility model has the beneficial effects that: according to the paper cup machine bottom embossing mechanism, the axial thrust of the ejector rod is converted into the radial thrust of the sliding block through the arranged shifting fork with the V-shaped structure, and meanwhile, the shifting fork is arranged on the rotating sleeve through the pin shaft, so that the sliding block, the shifting fork and the rotating sleeve are of an integrated component structure, a transmission chain is more reasonable and reliable, radial component force is prevented from being generated between the ejector rod and the rotating sleeve, friction force between the outer wall of the ejector rod and the inner wall of the rotating sleeve is reduced, embossing quality of the cup bottom is guaranteed, the rotating sleeve, the pin shaft and the sliding block are made of die steel, the wear resistance and durability are good, the gear is adopted as a rotating power input piece, the problem that resonance is generated at a high rotating speed when the traditional paper cup adopts chain transmission is effectively avoided, the slipping phenomenon when the belt transmission is adopted is also avoided, the transmission efficiency is effectively improved, and the outer ring and the locking flange ring are made of light 7075 aluminum alloy, so that the whole mechanism is light in weight and high in strength.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
fig. 3 is a sectional view of B-B in fig. 2.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, a paper cup machine bottom embossing mechanism comprises a knurling outer die 4 and a knurling wheel 5, wherein the knurling outer die 4 is fixedly arranged at the upper end of an outer ring 1, the knurling wheel 5 is rotatably arranged at the upper part of a sliding block 6 in the knurling outer die 4, a rotating sleeve 7 is coaxially and rotatably arranged in the outer ring 1, the sliding block 6 is arranged at the upper end of the rotating sleeve 7 and can slide radially, a push rod 14 is coaxially arranged in the rotating sleeve 7 and can slide axially along the rotating sleeve 7, a shifting fork 8 is arranged at the upper end of the rotating sleeve 7 below the sliding block 6, the shifting fork 8 is of a V-shaped structure, ball heads are respectively arranged at two ends of the V-shape, and are in transmission connection with the push rod 14 and the sliding block 6, when the push rod 14 slides up and down, the push rod 8 drives the knurling wheel 5 to be close to or far away from the inner wall of the knurling outer die 4, a gear 3 for meshing transmission with a paper cup machine transmission system is arranged at the lower end of the rotating sleeve 7, the gear 3 is used as a rotating power input part, the stability is good, resonance phenomenon is generated under the condition of high rotation speed when the traditional paper cup is transmitted by adopting a chain, and the transmission can also be avoided, the transmission efficiency is effectively improved; the axial thrust of the ejector rod is converted into the radial thrust of the sliding block through the arranged shifting fork with the V-shaped structure, and meanwhile, the shifting fork is installed on the rotating sleeve through the pin shaft, so that the transmission chain with the integrated assembly structure of the sliding block, the shifting fork and the rotating sleeve is more reasonable and reliable, radial component force is prevented from being generated between the ejector rod and the rotating sleeve, friction force between the outer wall of the ejector rod and the inner wall of the rotating sleeve is reduced, and the embossing quality of the cup bottom is guaranteed.
Preferably, the upper end of the rotating sleeve 7 is radially provided with a chute 702, the lower part of the sliding block 6 is slidingly matched in the chute 702, a cavity 703 is formed below the chute 702 on the rotating sleeve 7, the cavity 703 is positioned on one side of the axis of the rotating sleeve 7, a shifting fork 8 is arranged in the cavity 703, the V-shaped middle part of the cavity 703 is rotatably hinged with the rotating sleeve 7 through a pin shaft 9, the axis of the pin shaft 9 is mutually perpendicular to the axis of the rotating sleeve 7, the side wall of the upper end of the ejector rod 14 is provided with an active shifting groove 1401 which is matched with a ball head at the lower end of the shifting fork 8, the ball head at the upper end of the shifting fork 8 is matched with a passive shifting groove 601 arranged at the bottom of the sliding block 6, and thus, when the ejector rod 14 moves up and down, the active shifting groove 1401 drives the shifting fork 8 to rotate around the pin shaft 9, so that the shifting fork 8 drives the sliding block 6 to move through the passive shifting groove 601, and further drives the knurling wheel 5 to be close to or far away from the inner wall of the knurling outer die 4.
Preferably, the rotating sleeve 7 is rotatably connected with the outer ring 1 through an upper bearing 10 and a lower bearing 13 which are arranged at intervals, a kidney-shaped groove 701 is axially formed in the outer wall of the rotating sleeve 7, the kidney-shaped groove 701 is close to the lower bearing 13, the length of the kidney-shaped groove is matched with the travel of the ejector rod 14, a stop pin 12 is arranged on the ejector rod 14 in a penetrating mode, two ends of the stop pin 12 extend out of the kidney-shaped groove 701 and are used for abutting against the lower end of the spring 11, the upper end of the spring 11 abuts against the lower end of the inner ring of the upper bearing 10, during operation, the lifting force is provided by a paper cup machine lifting mechanism, the gear 3 is meshed with a corresponding gear of a paper cup transmission system to provide rotary power to complete the embossing action of one circle at the bottom of the paper cup, the lifting mechanism is in the prior art, after the lifting force of the lifting mechanism is eliminated, the lifting force is reduced, the ejector rod 14 descends and resets under the action of the spring 11 to drive the outer wall of the knurling wheel 5 to be separated from the inner wall of the outer mold 4, the spring 11 is long in installation position, the space is large, and the free length spring can be used, therefore, the compression rate is small during operation, the service life of the spring 11 is long, the service life is effectively shortened, and maintenance cost is reduced.
Preferably, the lower end of the outer ring 1 is sleeved with a locking flange ring 2, the locking flange ring 2 comprises a flange part 201, a fixing half ring 203 coaxially integrated with the flange part 201 and a pressing half ring 202 matched with the fixing half ring 203, the pressing half ring 202 is connected with the fixing half ring 203 through a fastener for tightly holding the outer ring 1, so the flange part 201 is used for being connected with a paper cup machine workbench, the upper and lower positions of the outer ring 1 can be conveniently adjusted through the locking action of the pressing half ring 202 and the fixing half ring 203, namely, when the upper and lower positions of the outer ring 1 are required to be adjusted, the fastener is only loosened, the outer ring 1 can be stably positioned after the fastener is adjusted, namely, the relative distance between the outer ring 1 and corresponding parts on the paper cup machine is easy to adjust during assembly or maintenance, the assembly and the maintenance convenience is good, and the time and the labor are saved.
As a preferred embodiment, the rotating sleeve 7, the pin shaft 9 and the sliding block 6 are all made of die steel, the outer ferrule 1 and the locking flange 2 are all made of 7075 aluminum alloy, and the rotating sleeve 7, the pin shaft 9 and the sliding block 6 are all made of die steel, wherein the die steel is preferably cold work die steel, and further preferably the cold work die steel is DC-53, so that the wear resistance and the durability are good; the outer ring and the locking flange ring are made of light 7075 aluminum alloy, so that the whole mechanism is light in weight and high in strength.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "top", "bottom", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a paper cup machine bottom knurling mechanism, includes knurling external mold (4), knurling wheel (5), its characterized in that: knurling external mold (4) fixed mounting is in outer lasso (1) upper end, knurling wheel (5) are located rotatable install in slider (6) upper portion in knurling external mold (4), rotate cover (7) coaxial rotatable install in outer lasso (1), slider (6) are installed rotate cover (7) upper end and can radially slide, ejector pin (14) coaxial install in rotate cover (7) in just ejector pin (14) can follow rotate cover (7) axial slip, rotate cover (7) upper end be located slider (6) below and install shift fork (8), shift fork (8) are V-arrangement structure, V-arrangement both ends all be equipped with the bulb respectively with ejector pin (14) and slider (6) transmission connection, when ejector pin (14) slide from top to bottom, ejector pin (14) drive shift fork (8) drive knurling wheel (5) are close to or keep away from outer lasso (4) inner wall, rotate cover (7) extension lower extreme that sleeve (1) has installed and is used for meshing with paper cup transmission system (3).
2. The paper cup machine bottom embossing mechanism of claim 1, wherein: the utility model discloses a rotary sleeve (7) is provided with spout (702) in radial being provided with in rotary sleeve (7) upper end, slider (6) lower part sliding fit in spout (702), be located on rotary sleeve (7) spout (702) below has seted up cavity (703), cavity (703) are located rotary sleeve (7) axis one side, shift fork (8) are installed in cavity (703), its V-arrangement middle part through round pin axle (9) with rotary sleeve (7) rotatable hinge, initiative shifting groove (1401) are seted up to ejector pin (14) upper end lateral wall with the bulb cooperation of shift fork (8) lower extreme, the bulb of shift fork (8) upper end with locate the passive shifting groove (601) cooperation of slider (6) bottom.
3. The paper cup machine bottom embossing mechanism of claim 2, wherein: the rotary sleeve (7) is rotatably connected with the outer ring (1) through an upper bearing (10) and a lower bearing (13) which are arranged at intervals, a kidney-shaped groove (701) is axially formed in the outer wall of the rotary sleeve (7), the kidney-shaped groove (701) is close to the lower bearing (13) and is matched with the stroke of the ejector rod (14) in length, a stop pin (12) is arranged on the ejector rod (14) in a penetrating mode, two ends of the stop pin (12) extend out of the kidney-shaped groove (701) and are used for being abutted to the lower end of a spring (11), and the upper end of the spring (11) is abutted to the lower end of the inner ring of the upper bearing (10).
4. A paper cup machine bottom embossing mechanism as set forth in claim 3, wherein: the lower end of the outer ring (1) is sleeved with a locking flange ring (2), the locking flange ring (2) comprises a flange part (201), a fixed semi-ring (203) coaxially integrated with the flange part (201) and a pressing semi-ring (202) arranged in a matched mode with the fixed semi-ring (203), and the pressing semi-ring (202) is connected with the fixed semi-ring (203) through a fastener to tightly hold the outer ring (1).
5. The paper cup machine bottom embossing mechanism of claim 4, wherein: the rotating sleeve (7), the pin shaft (9) and the sliding block (6) are all made of die steel, and the outer ferrule (1) and the locking flange ring (2) are all made of 7075 aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320516486.9U CN219405621U (en) | 2023-03-17 | 2023-03-17 | Paper cup machine bottom knurling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320516486.9U CN219405621U (en) | 2023-03-17 | 2023-03-17 | Paper cup machine bottom knurling mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219405621U true CN219405621U (en) | 2023-07-25 |
Family
ID=87244079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320516486.9U Active CN219405621U (en) | 2023-03-17 | 2023-03-17 | Paper cup machine bottom knurling mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219405621U (en) |
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2023
- 2023-03-17 CN CN202320516486.9U patent/CN219405621U/en active Active
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