A cigarette packet stamping device

Abstract

The utility model belongs to cigarette packaging equipment technical field, concretely relates to a cigarette bale steel seal device, including casing, steel seal subassembly and opposite rotation installation eccentric wheel and lining pressure wheel on casing, be provided with the trademark paper conveying channel that trademark paper passes between eccentric wheel with lining pressure wheel, the mounting hole is set up on eccentric wheel, the side wall surface away from mounting hole of eccentric wheel is set up with mounting cavity, the both ends end face of eccentric wheel corresponding mounting cavity is set up with installation gap, the steel seal subassembly is installed in mounting cavity through connecting shaft, the target steel seal character code in steel seal subassembly is towards mounting cavity outside, when setting up target steel seal character code, hollowing out two symmetrical limit gap in steel seal subassembly, its purpose is: make after installing steel seal subassembly, limit through the cooperation of limit gap and limit wedge, again through fixed connecting shaft and limit rod, realize the convenient limit of steel seal subassembly, also convenient when replacing.

Description

Technical Field

[0001] This utility model belongs to the technical field of cigarette packaging equipment, specifically relating to a cigarette pack stamping device. Background Technology

[0002] During the packaging process of small cigarette packs, the YB45 packaging machine's label stamping device prints a product identifier consisting of several letters on the bottom of the pack, serving as a unique traceability identifier for the product quality. The existing label stamping device is installed on the YB45 packaging machine's fan-shaped roller. As the fan-shaped roller and the liner roller rotate together, they press down on the label paper and convey it forward. When the label stamping device moves with the fan-shaped roller to its lowest point, it contacts the label paper and prints the identifier.

[0003] However, existing label stamping devices inevitably experience wear and tear on the stamped characters due to prolonged friction between the stamped characters and the label paper during use. This results in shallow and unclear stamped marks, increasing the number of defective products. Wear-out stamped characters need to be replaced quickly to avoid wasting label paper and time. Therefore, it is necessary to improve the cigarette pack stamping device. Utility Model Content

[0004] The purpose of this invention is to provide a cigarette pack stamping device to solve the problems mentioned in the background art.

[0005] To achieve the above-mentioned technical objectives, the technical solution adopted by this utility model is as follows:

[0006] A cigarette pack stamping device includes a housing, a stamping assembly, and an eccentric wheel and a pressure wheel rotatably mounted on the housing. A label paper conveying channel is provided between the eccentric wheel and the pressure wheel for the label paper to pass through. The eccentric wheel has a mounting hole. An mounting cavity is formed on the side wall of the eccentric wheel away from the mounting hole. Mounting notches are formed on the two end faces of the eccentric wheel corresponding to the mounting cavity. The stamping assembly is mounted in the mounting cavity via a connecting shaft, with the target stamped character in the stamping assembly facing outward from the mounting cavity. When the target stamped character is set, two symmetrical limiting gaps are left in the stamping assembly. Limiting wedges are embedded in the limiting gaps. The limiting wedges are limited and fixed by limiting rods that penetrate the mounting cavity along the axial direction of the eccentric wheel. The two ends of the two limiting rods are connected to a fixing frame at the mounting notch and the connecting shaft.

[0007] In this application, after a period of printing operation, the stamped characters in the stamping assembly will inevitably wear down. When the wear exceeds a certain limit, the stamped characters need to be maintained or replaced. At this time, the fixing bracket can be easily removed from the end of the limiting rod and the connecting shaft. Then, by removing the limiting wedge, the connecting shaft can be pulled out to replace the stamping assembly. Of course, when only adjusting the stamped characters of the stamping assembly, removing the limiting wedge can also easily move the stamped characters and leave a corresponding limiting gap for the limiting wedge, which facilitates the subsequent limiting and fixing of the stamping assembly. This makes it convenient for operators to replace the stamped characters; it is highly practical.

[0008] Furthermore, a drive shaft is inserted into the eccentric wheel through a mounting hole, and the drive shaft is mounted on the housing via bearings. The drive shaft is configured as an eccentric shaft.

[0009] Furthermore, the stamping assembly includes several stamping groups sleeved on the connecting shaft; each stamping group includes a connecting ring and stamped characters, an adjusting ring is provided on the outer surface of the connecting ring, and ten stamped characters are slidably connected on the adjusting ring. The gap between any two adjacent stamped characters can be adjusted, and two limiting gaps can be adjusted between all the stamped characters; the amplitude of the limiting gap is the same as the amplitude of the stamped characters.

[0010] Each stamped group contains ten stamped characters, numbered 0 to 9. The connecting ring has twelve sliding positions, with two remaining as limiting gaps after the stamped characters are installed. Since any stamped character can slide freely on the connecting ring, after adjusting one of the stamped characters to the target stamped character, the limiting gap at the specified position can still be adjusted and engaged with the limiting wedge, thus limiting and fixing the stamped components. This provides flexible adjustment and high practicality.

[0011] Furthermore, a receiving groove is provided at the bottom of the mounting cavity. A pressure sensor is installed in the receiving groove, and a pressure rod is installed on the connecting shaft at both ends of the stamping assembly. A pressure plate is installed at the end of the pressure rod, and the pressure plate slides in conjunction with the receiving groove, and the pressure plate abuts against the pressure sensor. Thus, during stamping, the force at both ends of the connecting shaft can be transmitted to the pressure sensor through the pressure rod and the pressure plate, and is collected by the pressure sensor. When the stamped characters are worn excessively, the reaction force experienced during stamping will be less than the set pressure threshold. Therefore, by reverse reasoning, when the pressure value collected by the pressure sensor is less than the set pressure threshold, it indicates that the stamped characters are excessively worn and need to be replaced.

[0012] Furthermore, mounting holes are provided at both ends of the mounting cavity for mounting the connecting shaft; limit holes are provided on both sides of the mounting holes, and the limit rod is inserted into the limit holes. The limit holes are designed as oblong holes. The oblong holes limit and guide the limit rod; when it is necessary to remove the limit wedge, the limit rod can be slid easily, making the operation simple.

[0013] The utility model adopting the above technical solution has the following advantages:

[0014] In this application, during use, the trademark paper conveying channel conveys the trademark paper, and the eccentric wheel and the pressure roller rotate relative to each other. When the trademark paper is between the eccentric wheel and the pressure roller, the pressure roller squeezes the trademark paper towards the eccentric wheel, and the eccentric wheel drives the steel stamping component to rotate to the tangent position with the trademark paper, so as to perform steel stamping on the trademark paper. After that, the trademark paper is continued to be conveyed to the subsequent process. After a period of operation, the stamped characters in the stamping assembly will inevitably wear down. When the wear exceeds a certain limit, the stamped characters need to be maintained or replaced. At this time, the fixing bracket can be easily removed from the end of the limit rod and connecting shaft. Then, the limit wedge can be removed to pull out the connecting shaft and replace the stamping assembly. Of course, when only adjusting the stamped characters of the stamping assembly, removing the limit wedge can also easily move the stamped characters and leave a corresponding limit gap for the limit wedge, which is convenient for subsequent limit fixing of the stamping assembly. This makes it convenient for operators to replace the stamped characters. Moreover, the overall structure is simple, low in cost, and highly practical. Attached Figure Description

[0015] This utility model can be further illustrated by the non-limiting embodiments given in the accompanying drawings;

[0016] Figure 1 This is a schematic diagram of an embodiment of the cigarette pack stamping device of this utility model;

[0017] Figure 2 This is a right-side view of an embodiment of a cigarette pack stamping device according to the present invention;

[0018] Figure 3 This is a schematic diagram of the eccentric wheel and stamping assembly in an embodiment of the present invention;

[0019] Figure 4 This is a cross-sectional schematic diagram of the eccentric wheel and the stamping assembly in an embodiment of this utility model;

[0020] Figure 5 This is a schematic diagram of the eccentric wheel in an embodiment of the present invention;

[0021] Figure 6 This is a schematic diagram of the steel stamp assembly in an embodiment of the present invention;

[0022] The symbols for the main components are explained below:

[0023] 100. Housing; 101. Drive shaft; 102. Rotating shaft; 110. Eccentric wheel; 111. Mounting cavity; 112. Mounting notch; 113. Fixing bracket; 114. Mounting hole; 115. Receiving groove; 116. First limiting hole; 117. Second limiting hole; 118. Locking hole; 120. Label paper conveying channel; 130. Pressure roller; 140. Steel stamp assembly; 141. Steel stamp character; 142. Connecting ring; 143. Connecting shaft; 144. Limiting wedge; 145. First limiting rod; 146. Second limiting rod; 147. Limiting nut; 148. Limiting gap; 150. Pressure plate. Detailed Implementation

[0024] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that similar or identical parts are referred to by the same reference numerals in the drawings or description. Implementations not shown or described in the drawings are forms known to those skilled in the art. Furthermore, directional terms mentioned in the embodiments, such as "up," "down," "top," "bottom," "left," "right," "front," and "back," are only for reference to the directions in the drawings and are not intended to limit the scope of protection of the present invention.

[0025] like Figures 1-6As shown, an embodiment of the present invention provides a cigarette pack stamping device, comprising a housing 100, a stamping assembly 140, and an eccentric wheel 110 and a pressure wheel 130 rotatably mounted on the housing 100. A label paper conveying channel 120 for label paper to pass through is provided between the eccentric wheel 110 and the pressure wheel 130. An mounting hole 114 is provided on the eccentric wheel 110. A drive shaft 101 is inserted into the eccentric wheel 110 through the mounting hole 114, and the drive shaft 101 is mounted on the housing 100 via bearings. Similarly, the pressure wheel 130 can be mounted on the housing 100 via a rotating shaft 102. The power source for the drive shaft 101 and the rotating shaft 102 can be the sharing of power to the label paper conveying channel 120, achieved through a gear pair and a transmission belt connection. Alternatively, a drive motor can be installed on the housing 100 to drive the drive shaft 101 to rotate, and simultaneously drive the rotating shaft 102 to rotate. An eccentric wheel 110 has a mounting cavity on its side wall away from the mounting hole 114, and mounting notches 112 are provided on both end faces of the eccentric wheel 110 corresponding to the mounting cavity 111. A stamping assembly 140 is installed in the mounting cavity 111 via a connecting shaft 143, with the target stamping code in the stamping assembly 140 facing outwards from the mounting cavity 111. When the target stamping code is set, for example, "000000", two symmetrical limiting gaps 148 are provided in the stamping assembly 140. Limiting wedges 144 are embedded in the limiting gaps 148. 144 is fixed by a limiting rod that passes through the mounting cavity 111 along the axial direction of the eccentric wheel 110. The two limiting rods are the first limiting rod 145 and the second limiting rod 146. The two ends of the first limiting rod 145 and the second limiting rod 146 are connected to the mounting notch 112 and the connecting shaft 143 by a fixing frame 113. The fixing frame 113 is set as a V-shaped plate with three holes machined on it. The middle hole is connected to the connecting shaft, and the two side holes are connected to the ends of the first limiting rod 145 and the second limiting rod 146, respectively.

[0026] In this embodiment, the stamping assembly 140 includes six stamping sets sleeved on the connecting shaft 143; each stamping set includes a connecting ring 142 and stamped characters 141. An adjusting ring is formed on the outer surface of the connecting ring 142, and the adjusting ring is a T-shaped sliding groove formed on the outer surface of the connecting ring 142. Ten stamped characters 141 are slidably connected to the adjusting ring, and the gap between any two adjacent stamped characters 141 can be adjusted. This allows other stamped characters 141 to be slidably slid together when the target stamped character needs to be replaced. 1. The target stamped character is positioned to correspond to the outer center of the mounting cavity 111 to facilitate stamping. Two limiting gaps 148 can be adjusted between all the stamped characters, with a radial angle of 120° between the radial centers of the two limiting gaps 148. The radial angle between the radial center of any limiting gap 148 and the radial center of the target stamped character is also 120°. This ensures that the force exerted on the target stamped character during printing is evenly distributed on the limiting wedges 144 of the limiting gaps 148. The amplitude of the limiting gaps 148 is the same as the amplitude of the stamped character 141, meaning the arc width of the limiting gaps 148 is equal to the arc width of the stamped character 141.

[0027] In fact, depending on the design of the traceability label, the number of steel stamp groups can be increased or decreased as needed. The installation and fixing methods of the added or reduced steel stamp groups are the same as those of other steel stamp groups, and will not be described in detail here.

[0028] In this embodiment, limit blocks and limit nuts 147 are installed at both ends of the connecting shaft 143; the limit blocks and limit nuts 147 axially limit the stamp assembly. Locking holes 118 are machined on the eccentric wheels 110 at both ends of the mounting cavity 111, allowing locking bolts to be screwed into the locking holes 118 to abut against the connecting shaft 143 and lock the stamp assembly. This improves the stability of the device during operation. Additionally, retaining ring grooves can be machined at the ends of the connecting shaft 143 and the limit rod for installing retaining rings to limit the fixing frame 113.

[0029] In this embodiment, the connecting shaft 143 can be configured as an eccentric shaft; the drive shaft 101 can be configured as an eccentric shaft; by adjusting the relative angle between the eccentric shaft and the eccentric wheel 110, the distance between the center of the eccentric wheel 110 and the printing point of the steel stamp 141 on the trademark paper can be adjusted, thereby compensating for the wear of the steel stamp 141.

[0030] In this embodiment, a receiving groove 115 is provided at the bottom of the mounting cavity 111. A pressure sensor is installed in the receiving groove 115. A pressure rod is installed on the connecting shaft 143 at both ends of the stamping assembly 140. A pressure plate 150 is installed at the end of the pressure rod. The pressure plate 150 slides in conjunction with the receiving groove 115 and abuts against the pressure sensor. The pressure sensor can be a strain gauge pressure sensor, such as the TPSADA series or TPHADA series. The pressure signal is converted into an electrical signal (voltage, current, frequency, etc.), and then amplified and filtered by a signal conditioner before being output. This facilitates the monitoring of wear on the stamped characters and allows for replacement as needed.

[0031] In this embodiment, mounting holes 114 are provided at both ends of the mounting cavity 111 for mounting the connecting shaft 143; limiting holes are provided on both sides of the mounting hole 114, namely a first limiting hole 116 and a second limiting hole 117, and a first limiting rod 145 and a second limiting rod 146 are inserted into the first limiting hole 116 and the second limiting hole 117.

[0032] In fact, in this embodiment, the limiting hole can also be set as an oblong hole; this facilitates the movement of the first limiting rod 145 and the second limiting rod 146; and allows for the fixing and removal of the limiting wedge 144 in response to the limiting gap 148; it is convenient, quick, and highly practical.

[0033] This structural design, for the steel stamping component 140, adjusts the target steel stamping code into place and leaves two limiting gaps 148. Then, the sliding limiting rod is inserted into the limiting gaps 148 through the limiting wedge 144, filling the limiting gaps 148 and fixing the steel stamping component 140. The trademark paper is conveyed through the set trademark paper conveying channel 120. The eccentric wheel 110 and the pressure roller 130 rotate relative to each other. When the trademark paper is conveyed between the eccentric wheel 110 and the pressure roller 130, the pressure roller 130 squeezes the trademark paper towards the eccentric wheel 110. The eccentric wheel 110 drives the steel stamping component 140 to rotate to the tangent position with the trademark paper, and the trademark paper is steel stamped. After that, the trademark paper is continued to be conveyed to the subsequent process. After a period of operation, the stamped characters in the stamping assembly 140 will inevitably wear down. When the wear exceeds a certain limit, the stamped characters 141 need to be maintained or replaced. At this time, the fixing bracket 113 can be easily removed from the end of the limit rod and connecting shaft 143. Then, the limit wedge 144 can be removed, and the connecting shaft 143 can be pulled out to replace the stamped characters to be replaced in the stamping assembly 140. Of course, only the stamped characters 141 of the stamping assembly 140 need to be adjusted. During operation, the limiting wedge 144 can be moved out, which also allows for easy movement of the stamped code 141. A limiting gap 148 corresponding to the limiting wedge 144 is appropriately left to facilitate the subsequent limiting and fixing of the stamped component 140. This makes it convenient for operators to replace the stamped code 141. Furthermore, the overall structure is simple, low in cost, and highly practical. At the same time, the pressure sensor is set to monitor the wear of the stamped code 141, which facilitates the timely detection and replacement of excessively worn stamped codes 141, ensuring the processing quality of the product.

[0034] The above provides a detailed description of a cigarette pack stamping device provided by this utility model. The specific embodiments are described only to aid in understanding the method and core concept of this utility model. It should be noted that those skilled in the art can make various improvements and modifications to this utility model without departing from its principles, and these improvements and modifications also fall within the protection scope of the claims of this utility model.

Claims

1. A cigarette pack stamping device, comprising a housing, a stamping assembly, and an eccentric wheel and a pressure wheel rotatably mounted opposite each other on the housing, wherein a label paper conveying channel for label paper to pass through is provided between the eccentric wheel and the pressure wheel; the eccentric wheel is provided with a mounting hole; characterized in that, An installation cavity is formed on the side wall away from the mounting hole of the eccentric wheel, and installation notches are formed on the two end faces of the eccentric wheel corresponding to the installation cavity. The stamp assembly is installed in the installation cavity through a connecting shaft, and the target stamp code in the stamp assembly faces the outside of the installation cavity. When the target stamp code is set, two symmetrical limiting gaps are left in the stamp assembly. A limiting wedge is embedded in the limiting gap, and the limiting wedge is limited and fixed by a limiting rod that passes through the installation cavity along the axial direction of the eccentric wheel. The two ends of the two limiting rods are connected to the mounting notches and the connecting shaft by a fixing bracket.

2. The cigarette pack stamping device according to claim 1, characterized in that: The eccentric wheel is fitted with a drive shaft through a mounting hole, and the drive shaft is mounted on the housing via bearings.

3. The cigarette pack stamping device according to claim 2, characterized in that: The drive shaft is configured as an eccentric shaft.

4. The cigarette pack stamping device according to claim 1, characterized in that: The stamping assembly includes several stamping groups sleeved on the connecting shaft; each stamping group includes a connecting ring and stamped characters, an adjusting ring is provided on the outer surface of the connecting ring, and ten stamped characters are slidably connected on the adjusting ring. The gap between any two adjacent stamped characters can be adjusted, and two limiting gaps can be adjusted between all the stamped characters; the amplitude of the limiting gap is the same as the amplitude of the stamped characters.

5. The cigarette pack stamping device according to claim 1, characterized in that: The bottom of the mounting cavity is provided with a receiving groove.

6. The cigarette pack stamping device according to claim 5, characterized in that: A pressure sensor is installed in the receiving groove. A pressure rod is installed on the connecting shaft at both ends of the stamping assembly. A pressure plate is installed at the end of the pressure rod. The pressure plate slides in fit with the receiving groove and abuts against the pressure sensor.

7. A cigarette pack stamping device according to claim 1 or 6, characterized in that: The mounting cavity has mounting holes at both ends for mounting the connecting shaft; limit holes are provided on both sides of the mounting holes, and the limit rod is inserted into the limit holes.

8. The cigarette pack stamping device according to claim 7, characterized in that: The limiting hole is configured as an oblong hole.

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