A cigarette packaging paper bending detection sampling device

Abstract

The present invention belongs to the technical field of cigarette production detection, and relates to a cigarette packaging paper bending detection sampling device, comprising a placing table, a mounting groove is provided on the placing table, a first slide groove is provided on the side wall of the mounting groove, a second slide groove and a first wire groove are provided on the bottom, a first wire wheel is installed in the first wire groove, a mold table is slidably installed in the mounting groove, a first knife groove is provided on the top of the mold table, an elastic pull rope is connected to one end of the mold table, a free end of the elastic pull rope is fixed to the end of the placing table, an elastic traction member is provided at the bottom end of the mold table, a traction rope is connected to the elastic traction member, a free end of the traction rope is connected to a pressing plate, the pressing plate is hingedly installed on the placing table, and a rotating flattening mechanism is installed on the placing table, which is used to solve the problem that when the packaging paper is currently cut, the pressure of the knife leaves upturned burrs on the edge of the packaging paper sample, resulting in an increase in the bending resistance of the sample cigarette paper, affecting the detection result, and the existing device has a large safety hazard.

Description

Technical Field

[0001] The invention belongs to the technical field of cigarette production detection, and in particular relates to a cigarette packaging paper bending detection sampling device. Background Art

[0002] Cigarette box wrapping paper refers to paper-based decorative printed materials used to wrap cigarettes, and cigarette strip wrapping paper refers to paper-based decorative printed materials used to wrap a certain number of cigarette boxes. Cigarette strip and box wrapping paper are mainly used to protect cigarettes during market circulation, facilitate storage and transportation, and can display and beautify cigarette brands. They are an indispensable and important part of cigarette production.

[0003] As the content of cigarette rods and box wrapping paper becomes richer, the substrates, printing processes, and inks used are becoming more diverse and complex, so their physical and chemical properties need to be tested before use. The physical property test of wrapping paper includes testing its bending resistance. First, the crease-free area of ​​the wrapping paper is cut to obtain a sample, and then the corresponding sample is subjected to a pressure test. However, when the wrapping paper is cut, the pressure of the tool leaves an upturned burr on the edge of the wrapping paper sample, that is, the cross-section of the sample is U-shaped, which increases the bending resistance of the sample cigarette paper and affects the test results. At the same time, the tool of the current cutting device is external, and the staff is prone to contact with the tool when placing or taking the cigarette paper, which poses a great safety hazard. Summary of the invention

[0004] Based on the problems mentioned in the above background technology, the present invention provides a cigarette packaging paper bending detection sampling device, which is used to solve the problem that when the packaging paper is cut, the pressure of the tool leaves upturned burrs on the edges of the packaging paper sample, which increases the bending resistance of the sample cigarette paper and affects the detection results. At the same time, the existing device has great safety hazards.

[0005] The technical solution adopted by the present invention is as follows:

[0006] The cam is provided with a first guide groove, and a second guide groove is provided on the bottom of the cam, and a first guide groove is provided on the side wall of the cam, and a second guide groove and a first guide groove are provided on the bottom of the cam, and a first guide groove is provided on the first guide groove, and a first guide groove is provided on the second guide groove, and a first guide groove is provided on the second guide groove, and a first guide groove is provided on the second guide groove, and a first guide groove is provided on the second guide groove, and a first guide groove is provided on the second guide groove, and a first guide groove is provided on the second guide groove, and a first guide groove is provided on the second guide groove, and a first guide groove is provided on the third .... The tool holder is provided with a pressing plate, the pressing plate is hingedly mounted on the placing table, the pressing plate is provided with a hinge seat, the hinge seat is hingedly provided with a pressing rod, a first spring is installed between the pressing rod and the pressing plate, the pressing plate is provided with a second knife groove corresponding to the first knife groove, an annular knife seat is slidably installed in the second knife groove, an annular cutter is installed on the annular knife seat, the blade of the annular cutter is coplanar with the inner wall of the annular cutter, and the inner wall of the annular cutter is in contact with the groove wall of the second knife groove, which can reduce the gap between the blade area of ​​the annular cutter and the groove wall of the second knife groove during cutting, so that the incision of the paper sheet is more neat and avoids the edge of the paper sheet from being greatly warped after cutting; a push rod is installed on the annular knife seat, the push rod is penetrated on the pressing plate, a contact is installed on the top of the push rod, a second spring is installed between the contact and the pressing plate, the second spring is sleeved on the push rod, a first ear plate corresponding to the contact position is installed on the pressing rod, a rotary flattening mechanism is installed on the placing table, and the rotary flattening mechanism is located on one side of the pressing plate.

[0007] On the basis of the above scheme, the present invention also makes the following improvements:

[0008] Furthermore, the number of the push rods is two, and the push rods are located in the middle of the annular knife seat. The push rods are located in the middle of the annular knife seat to avoid stress concentration at the connection between the push rods and the annular knife seat.

[0009] Furthermore, the rotary flattening mechanism includes a first mounting frame installed on the placing table, a rotating shaft is slidably provided on the first mounting frame, a first bevel gear is installed on the rotating shaft, a second mounting frame is installed on the bottom end of the rotating shaft, a pressure roller is installed on the second mounting frame, a pull rod seat is installed on the first mounting frame, a pull rod is hinged on the pull rod seat, a first U-shaped frame is sleeved on the pull rod, a sleeve is installed at the bottom end of the first U-shaped frame, a third spring is installed between the sleeve and the pull rod, the third spring is located in the first U-shaped frame, a bearing is installed in the sleeve, the bearing is sleeved on the top end of the rotating shaft, and the third spring is located in the first U-shaped frame. A bearing seat is installed on a mounting frame, a transmission shaft is inserted into the bearing seat, a transmission gear and a second bevel gear are installed at both ends of the transmission shaft, and the second bevel gear meshes with the first bevel gear when the pressure roller contacts the placement table, a second U-shaped frame is slidably inserted into the first mounting frame, a second ear plate is provided on the second U-shaped frame, a second limiting column is installed on the second ear plate, the second limiting column is inserted into the first mounting frame, a fourth spring is sleeved on the second limiting column, the fourth spring is located between the second ear plate and the first mounting frame, and a rack is provided on the second U-shaped frame, and the rack meshes with the transmission gear. The second spring is squeezed by rotating the pull rod to drive the rotating shaft and the pressure roller to descend. Since the pressure roller cannot continue to descend after contacting the placement table, the pull rod is continuously rotated to squeeze the second U-shaped frame. The descent of the second U-shaped frame drives the transmission gear to rotate, and the rotating shaft can be driven to rotate under the action of the second bevel gear and the first bevel gear, and then the pressure roller is driven to rotate to squeeze the paper placed on the placement table, so that the edge of the paper after cutting can be smoothed to prevent the edge of the paper from warping up and affecting the detection result.

[0010] Furthermore, the bearing is a double-row tapered roller bearing, which has a strong axial load-bearing capacity.

[0011] Furthermore, a handle is provided at the bottom end of the pressure rod, and the pressure rod can be easily rotated by the handle, so that it is convenient to use.

[0012] Furthermore, a wire rack is installed on the placement table, and a fourth wire wheel is installed on the wire rack. The position of the fourth wire wheel corresponds to the position of the traction wire. The wire rack is located between the pressure plate and the rotary flattening mechanism, and the height of the fourth wire wheel is higher than the height of the rotary flattening mechanism. The traction wire is guided by the fourth wire wheel to avoid the traction wire from contacting the rotary flattening mechanism, thereby preventing the normal use of the rotary flattening mechanism from being affected.

[0013] Furthermore, the plane where the pulling line is located is located in the middle of the placing platform, and a wire groove is provided on the pressure rod, and the pulling line is passed through the wire groove. The pulling line is arranged in the middle of the placing platform to facilitate better pulling the placing platform to slide.

[0014] Furthermore, the elastic traction member includes two mounting seats arranged opposite to each other, a buffer rod is passed through the mounting seats, a limit ring is installed on the buffer rod, a fifth spring is installed between the limit ring and the mounting seat near one end of the traction rope, and the fifth spring is sleeved on the buffer rod. Under the action of the fifth spring, if the mold platform slides to one end of the mounting groove but the pressing plate does not fit the mold platform, the pressing plate can still continue to pull the traction rope.

[0015] Beneficial effects of the present invention:

[0016] 1. The present invention drives the die table to move by rotating the pressing plate to pull the traction rope, and the die table stops when it moves to the end of the installation groove. At this time, the lower cover of the pressing plate fits with the die table, and the pressing rod continues to rotate to squeeze the contact through the ear plate. The second spring compresses the annular knife seat to drive the annular cutter to descend to cut the cigarette paper. The blade of the annular cutter is coplanar with the inner wall of the annular cutter, and the inner wall of the annular cutter fits with the groove wall of the second knife groove, which can reduce the gap between the blade area of ​​the annular cutter and the groove wall of the second knife groove during cutting, making the cut of the paper more neat, avoiding the edge of the paper sheet being greatly warped after cutting, resulting in enhanced anti-bending ability of the paper sheet, and reducing the impact on the detection result;

[0017] 2. When the pressing plate returns to its original position, the die table drives the cigarette paper to return to its original position under the action of the elastic pull rope. There is no need to manually place the cigarette paper at the bottom of the rotary flattening machine, which is more convenient to use. By setting up a rotary flattening mechanism, the cut paper pieces can be moved to the bottom of the rotary flattening mechanism after sampling is completed, and the edges of the sample paper pieces can be smoothed by the rotary flattening mechanism to avoid the problem that the edges of the sample paper pieces are warped due to cutting and squeezing, which affects the test results;

[0018] 3. After the pressure plate is lifted, the annular cutter will automatically enter the second knife groove under the action of the second spring. The staff will not come into contact with the annular cutter when placing or taking paper sheets, which is safer. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention can be further illustrated by means of non-limiting examples given in the accompanying drawings;

[0020] Figure 1 It is a structural schematic diagram of a cigarette packaging paper bending detection sampling device according to an embodiment of the present invention;

[0021] Figure 2 It is a schematic structural diagram of a cigarette packaging paper bending detection sampling device in an embodiment of the present invention without a rotary flattening mechanism;

[0022] Figure 3 It is a schematic diagram of the longitudinal structure of a cigarette packaging paper bending detection sampling device in an embodiment of the present invention after the rotary flattening mechanism is removed;

[0023] Figure 4 for Figure 3A schematic diagram of the enlarged structure at A in the middle;

[0024] Figure 5 It is a structural schematic diagram of a pressing plate in an embodiment of the present invention;

[0025] Figure 6 Schematic diagram of the longitudinal section structure of the pressing plate in an embodiment of the present invention;

[0026] Figure 7 for Figure 6 A schematic diagram of the enlarged structure at B in the middle;

[0027] Figure 8 It is a structural schematic diagram of a rotary flattening mechanism in an embodiment of the present invention;

[0028] Fig. 9 Schematic diagram of the longitudinal section structure of the rotary flattening mechanism in an embodiment of the present invention;

[0029] Fig.10 This is a schematic diagram of the structure of the second U-shaped frame in an embodiment of the present invention;

[0030] The main component symbols are described as follows:

[0031] Placement table 11, installation groove 12, first slide groove 121, first wire groove 122, first wire wheel 1221, second slide groove 123, mold table 13, first knife groove 131, installation seat 132, buffer rod 133, limit ring 134, fifth spring 135, first base 141, second wire groove 1411, second wire wheel 1412, second base 142, third wire groove 1421, third wire wheel 1422, wire frame 15, fourth wire wheel 151, elastic pull rope 16, pressing plate 2, second knife groove 21, first articulated frame 22, articulated seat 23, pressing rod 24, handle 2 41, first ear plate 242, wire groove 243, first spring 25, annular knife seat 31, annular cutter 32, push rod 33, contact 34, second spring 35, traction rope 4, rotary flattening mechanism 5, first mounting frame 51, rotating shaft 52, second mounting frame 53, pressure roller 531, first U-shaped frame 541, sleeve 542, third spring 545, bearing 55, second U-shaped frame 57, second ear plate 571, second limiting column 572, fourth spring 573, rack 574, pull rod seat 581, pull rod 582, transmission gear 591, second bevel gear 592, first bevel gear 593. DETAILED DESCRIPTION

[0032] In order to enable those skilled in the art to better understand the present invention, the technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0033] Example

[0034] like Figures 1 to 10As shown, a cigarette packaging paper bending detection sampling device includes a placement table 11, a first base 141 and a second base 142 are integrally formed at the bottom of the placement table 11, a mounting groove 12 is provided on the placement table 11, a first slide groove 121 is provided on the side wall of the mounting groove 12, a second slide groove 123 and a first wire groove 122 are provided at the bottom, a first wire groove 1221 is installed in the first wire groove 122, a mold table 13 is slidably installed in the mounting groove 12, sliders are provided on both sides of the mold table 12, the sliders are located in the first slide groove 121, and a first knife groove 121 is provided at the top of the mold table 13. An elastic pull rope 16 is connected to one end of the mold platform 13, and the free end of the elastic pull rope 16 is fixed to the end of the placement platform 11. An elastic traction member is provided at the bottom of the mold platform 13, and the traction rope 4 is connected to the elastic traction member. A second wire groove 1411 is provided on the first base 141, and a second wire wheel 1412 is installed in the second wire groove 1411. A third wire groove 1421 is provided on the second base 142, and a third wire wheel 1422 is installed in the third wire groove 1421. The traction rope 4 is wound around the third wire wheel 1422, the second wire wheel 1412 and the first wire wheel 122 in sequence. 1, and the free end of the traction rope 4 is connected with a pressing plate 2, the pressing plate 2 is hingedly installed on the placing table 11, a hinge seat 23 is provided on the pressing plate 2, a pressing rod 24 is hinged on the hinge seat 23, a first spring 25 is installed between the pressing rod 24 and the pressing plate 2, a second knife groove 21 corresponding to the first knife groove 131 is opened on the pressing plate 2, an annular knife seat 31 is slidably installed in the second knife groove 21, an annular cutter 32 is installed on the annular knife seat 31, the blade of the annular cutter 32 is coplanar with the inner wall of the annular cutter 32, and the inner wall of the annular cutter 32 is in contact with the groove wall of the second knife groove 21, which can reduce During cutting, the gap between the blade area of ​​the annular cutter 32 and the groove wall of the second knife groove 21 makes the cut of the paper piece more neat and avoids the edge of the paper piece from warping up significantly after cutting; a push rod 33 is installed on the annular knife seat 31, and the push rod 33 is passed through the pressure plate 2. A contact 34 is installed on the top of the push rod 33. A second spring 35 is installed between the contact 34 and the pressure plate 2. The second spring 35 is sleeved on the push rod 33. A first ear plate 242 corresponding to the position of the contact 34 is installed on the pressure rod 24. A rotating flattening mechanism 5 is installed on the placement table 11, and the rotating flattening mechanism 5 is located on one side of the pressure plate 2.

[0035] Specifically, there are two push rods 33, and the push rods 33 are located in the middle of the annular knife seat 31. The push rods 33 are located in the middle of the annular knife seat 31 to avoid stress concentration at the connection between the push rods 33 and the annular knife seat 31.

[0036] Specifically, the rotary flattening mechanism 5 includes a first mounting frame 51 mounted on the placement table 11, a rotating shaft 52 is slidably provided on the first mounting frame 51, a first bevel gear 593 is installed on the rotating shaft 52, a second mounting frame 53 is installed on the bottom end of the rotating shaft 52, a pressure roller 531 is installed on the second mounting frame 53, a pull rod seat 581 is installed on the first mounting frame 51, a pull rod 582 is hinged on the pull rod seat 581, a first U-shaped frame 541 is sleeved on the pull rod 582, a sleeve 542 is installed at the bottom end of the first U-shaped frame 541, a third spring 545 is installed between the sleeve 542 and the pull rod 582, the third spring 545 is located in the first U-shaped frame 541, a bearing 55 is installed in the sleeve 542, and the bearing 55 is sleeved on the top of the rotating shaft 52. A bearing seat 511 is installed on the frame 51, and a transmission shaft is passed through the bearing seat 511. A transmission gear 591 and a second bevel gear 592 are respectively installed at both ends of the transmission shaft. When the pressure roller 531 contacts the placement table 11, the second bevel gear 592 meshes with the first bevel gear 593. A second U-shaped frame 57 is slidably passed through the first mounting frame 51, and a second ear plate 571 is provided on the second U-shaped frame 57. A second limiting column 572 is installed on the second ear plate 571. The second limiting column 572 is passed through the first mounting frame 51. A fourth spring 573 is sleeved on the second limiting column 572. The fourth spring 573 is located between the second ear plate 571 and the first mounting frame 51. A rack 574 is provided on the second U-shaped frame 57, and the rack 574 meshes with the transmission gear 591. The second spring 35 is squeezed by rotating the pull rod 582 to drive the rotating shaft 52 and the pressure roller 531 to descend. Since the pressure roller 531 cannot continue to descend after contacting the placement table 11, the pull rod 582 is continued to be rotated to squeeze the second U-shaped frame 57. The second U-shaped frame 57 descends and drives the transmission gear 591 to rotate. Under the action of the second bevel gear 592 and the first bevel gear 593, the rotating shaft 52 can be driven to rotate, and then the pressure roller 531 can be driven to rotate to squeeze the paper placed on the placement table 11, so as to smooth the edges of the cut paper and prevent the edges of the paper from warping up and affecting the detection results.

[0037] Specifically, the bearing is a double-row tapered roller bearing, which has a strong axial load-bearing capacity.

[0038] Specifically, a handle is provided at the bottom end of the pressure rod, and the pressure rod can be easily rotated by the handle, so that it is convenient to use.

[0039] Specifically, a wire rack 15 is installed on the placement table 11, and a fourth wire wheel 151 is installed on the wire rack 15. The position of the fourth wire wheel 151 corresponds to the position of the traction line 4. The wire rack 15 is located between the pressure plate 2 and the rotary flattening mechanism 5, and the height of the fourth wire wheel 151 is higher than the height of the rotary flattening mechanism 5. The traction line 4 is guided by the fourth wire wheel 151 to avoid contact between the traction line 4 and the rotary flattening mechanism 5, which affects the normal use of the rotary flattening mechanism 5.

[0040] Specifically, the plane where the traction line 4 is located is located in the middle of the placement table 11, a wire groove 243 is opened on the pressure rod 24, and the traction line 4 is inserted into the wire groove 243. The traction line 4 is arranged in the middle of the placement table 11 to facilitate better pulling the placement table 11 to slide.

[0041] Specifically, the elastic traction member includes two relatively arranged mounting seats 132, a buffer rod 133 is passed through the mounting seat 132, a limiting ring 134 is installed on the buffer rod 133, and a fifth spring 135 is installed between the limiting ring 134 and the mounting seat 132 near one end of the traction rope 4. The fifth spring 135 is sleeved on the buffer rod 133. Under the action of the fifth spring, if the mold table 13 slides to one end of the mounting groove 12 but the pressing plate 2 is not in contact with the mold table 13, the pressing plate 2 can still continue to pull the traction rope 4.

[0042] When using the cut paper, place the packaging paper flat on the die table 12, rotate the pressing plate 2 to pull the traction rope 4 to drive the die table 13 to move, and the die table 13 stops when it moves to the end of the installation groove 12. At this time, the pressing plate 2 covers the die table 13 and fits the die table 13. Continue to rotate the pressing rod 24 to squeeze the contact 34 through the first ear plate 242, and the second spring 35 compresses the annular knife seat 31 to drive the annular cutter 32 to descend to cut the cigarette paper; after cutting, rotate the pressing plate 2 to return to its original position, and under the action of the elastic pull rope 16, the die table 13 returns to its original position and drives the cigarette paper to move to the bottom of the pressing roller 531, and the rotating pull rod 582 squeezes the third spring 545 to push the rotating shaft 52 down. When the pressing roller After 531 contacts the paper sheet, the pressure roller 531 will not be able to move downward further under the action of the placement table 11. At this time, the first bevel gear 593 and the second bevel gear 592 are meshed. When the pull rod 582 is continued to be pressed, the third spring 545 contracts the pull rod 582 to squeeze the second U-shaped frame 57 to make the second U-shaped frame 57 descend. The second U-shaped frame 57 drives the rack 574 to descend and drives the transmission gear 591 to rotate. The transmission gear 591 drives the first bevel gear 593 to rotate through the second bevel gear 592. The rotating shaft 52 rotates synchronously to drive the pressure roller 531 to rotate and smooth the edge of the paper sheet to prevent the edge of the paper sheet from curling up and affecting the detection of the paper sheet's anti-bending ability.

[0043] The above is a detailed introduction to a cigarette packaging paper bending detection sampling device provided by the present invention. The description of the specific embodiment is only used to help understand the method of the present invention and its core idea. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the present invention, several improvements and modifications can be made to the present invention, and these improvements and modifications also fall within the scope of protection of the claims of the present invention.

Claims

1. A cigarette packaging paper bending detection sampling device, comprising a placement table (11), wherein a first base (141) and a second base (142) are integrally formed at the bottom of the placement table (11), characterized in that: The placement table (11) is provided with a mounting groove (12), a first slide groove (121) is provided on the side wall of the mounting groove (12), a second slide groove (123) and a first wire groove (122) are provided on the bottom, a first wire groove (1221) is installed in the first wire groove (122), a mold table (13) is slidably installed in the mounting groove (12), a first knife groove (131) is provided on the top of the mold table (13), one end of the mold table (13) is connected to an elastic pull rope (16), a free end of the elastic pull rope (16) is fixed to the end of the placement table (11), an elastic traction member is provided at the bottom end of the mold table (13), a traction rope (4) is connected to the elastic traction member, and the first base (14) 1) is provided with a second wire groove (1411), a second wire wheel (1412) is installed in the second wire groove (1411), a third wire groove (1421) is provided on the second base (142), a third wire wheel (1422) is installed in the third wire groove (1421), the traction rope (4) is sequentially wound around the third wire wheel (1422), the second wire wheel (1412) and the first wire wheel (1221), and the free end of the traction rope (4) is connected to a pressing plate (2), the pressing plate (2) is hingedly installed on the placing table (11), the pressing plate (2) is provided with a hinge seat (23), a pressing rod (24) is hingedly connected to the hinge seat (23), and the pressing rod (24) ) and the pressing plate (2), a first spring (25) is installed between the pressing plate (2), a second knife groove (21) corresponding to the first knife groove (131) is opened on the pressing plate (2), an annular knife seat (31) is slidably installed in the second knife groove (21), an annular cutter (32) is installed on the annular knife seat (31), the blade of the annular cutter (32) is coplanar with the inner wall of the annular cutter (32), and the inner wall of the annular cutter (32) is in contact with the groove wall of the second knife groove (21), a push rod (33) is installed on the annular knife seat (31), the push rod (33) is passed through the pressing plate (2), a contact (34) is installed at the top end of the push rod (33), and a second A spring (35), the second spring (35) is sleeved on the top rod (33), the pressure rod (24) is mounted with a first ear plate (242) corresponding to the position of the contact (34), the placement table (11) is mounted with a rotary flattening mechanism (5), the rotary flattening mechanism (5) is located on one side of the pressure plate (2); a wire rack (15) is mounted on the placement table (11), a fourth wire wheel (151) is mounted on the wire rack (15), the position of the fourth wire wheel (151) corresponds to the position of the traction rope (4), the wire rack (15) is located between the pressure plate (2) and the rotary flattening mechanism (5), and the height of the fourth wire wheel (151) is higher than the height of the rotary flattening mechanism (5).

2. A cigarette packaging paper bending detection sampling device according to claim 1, characterized in that: There are two push rods (33), and the push rods (33) are located in the middle of the annular knife seat (31).

3. A cigarette packaging paper bending detection sampling device according to claim 2, characterized in that: The rotary flattening mechanism (5) comprises a first mounting frame (51) mounted on a placing table (11); a rotating shaft (52) is slidably provided on the first mounting frame (51); a first bevel gear (593) is mounted on the rotating shaft (52); a second mounting frame (53) is mounted on the bottom end of the rotating shaft (52); a pressing roller (531) is mounted on the second mounting frame (53); a pull rod seat (581) is mounted on the first mounting frame (51); and the pull rod seat (581) A pull rod (582) is hingedly connected to the top, and a first U-shaped frame (541) is sleeved on the pull rod (582). A sleeve (542) is installed at the bottom end of the first U-shaped frame (541). A third spring (545) is installed between the sleeve (542) and the pull rod (582). The third spring (545) is located in the first U-shaped frame (541). A bearing (55) is installed in the sleeve (542). The bearing (55) is sleeved on the top end of the rotating shaft (52). A bearing seat (511) is mounted on a mounting frame (51), a transmission shaft is inserted into the bearing seat (511), a transmission gear (591) and a second bevel gear (592) are respectively mounted at both ends of the transmission shaft, and when the pressure roller (531) contacts the placement table (11), the second bevel gear (592) meshes with the first bevel gear (593), a second U-shaped frame (57) is slidably inserted into the first mounting frame (51), and a second ear plate is provided on the second U-shaped frame (57) (571), a second limiting column (572) is installed on the second ear plate (571), the second limiting column (572) is inserted into the first mounting frame (51), a fourth spring (573) is sleeved on the second limiting column (572), the fourth spring (573) is located between the second ear plate (571) and the first mounting frame (51), and a rack (574) is provided on the second U-shaped frame (57), and the rack (574) is meshed with the transmission gear (591).

4. A cigarette packaging paper bending detection sampling device according to claim 3, characterized in that: The bearing (55) is a double-row tapered roller bearing.

5. The cigarette packaging paper bending detection sampling device according to claim 1, characterized in that: A handle (241) is provided at the bottom end of the pressure rod (24).

6. The cigarette packaging paper bending detection sampling device according to claim 1, characterized in that: The plane where the traction rope (4) is located is located in the middle of the placement platform (11); a wire groove (243) is provided on the pressure rod (24); and the traction rope (4) is inserted into the wire groove (243).

7. A cigarette packaging paper bending detection sampling device according to claim 6, characterized in that: The elastic traction member comprises two mounting seats (132) arranged opposite to each other, a buffer rod (133) is passed through the mounting seat (132), a limit ring (134) is installed on the buffer rod (133), a fifth spring (135) is installed between the limit ring (134) and the mounting seat (132) near one end of the traction rope (4), and the fifth spring (135) is sleeved on the buffer rod (133).

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