Seal warping correction device

Through the seal warping correction device, the combination of the adjustment base, the clamping adjustable part and the pressing part is used to solve the problem of unstable adsorption of the warped seal group, thereby achieving stable adsorption of the seal and quality control of the cigarette package seal.

CN223432580UActive Publication Date: 2025-10-14HONGTA TOBACCO (GROUP) CO LTD
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Patent Information

Application Number
CN202423095732.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-10-14
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

During the seal production process, the bulge at the bottom of the warped seal group causes unstable adsorption of the negative pressure device, resulting in leaking and skewed seals on the cigarette packs, affecting equipment efficiency and quality.

Method used

A seal warping correction device is designed, which includes an adjustment base, an adjustable seal group clamping part and a seal group pressing part. By adjusting the cooperation between the clamping channel and the pressing part, the raised part of the seal group is corrected to become concave, which is convenient for adsorption by the negative pressure device.

Benefits of technology

The adsorption stability of the seal is improved, the sealing of cigarette packages is avoided from being leaked or skewed, the operation efficiency of the equipment and the sealing quality are improved, and material waste is reduced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of cigarette packet seals, in particular to a seal warping correcting device which comprises an adjusting base, a seal set clamping adjustable part and a seal set pressing part. The seal group clamping adjustable part comprises an adjusting part and a fixing part, the bottom of the adjusting part is adjustably connected with the top of the adjusting base, the bottom of the fixing part is detachably connected with the adjusting base, and an inlet, a first clamping channel, a second clamping channel and an outlet through which a seal sequentially passes are defined between the fixing part and the adjusting part; the seal set pressing piece and the seal set clamping adjustable piece are used in a matched mode. In the process that a negative pressure device adsorbs seals in a seal box to a cigarette packet seal station, due to the fact that the adsorption contact area of the adsorption end of a rotating type negative pressure device and a seal set with the protruding bottom is small, the seal can not be adsorbed to the cigarette packet seal station; therefore, the seal group with the raised bottom in the seal box is not easy to incline when being gradually sucked by the negative pressure device from the open end of the bottom of the seal box, and the problems of seal missing and seal inclination of the cigarette packet in the cigarette packet seal link are indirectly caused.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a cigarette package sealing label technology field, especially in a kind of sealing label warping correction device. BACKGROUND

[0002] Sealing label is the important component in cigarette product, it is generally bonded in the folding end of the package inner liner, to make the folding end of the package inner liner not easy to open.In the production process of sealing label, influenced by supplier technical equipment, raw material quality and raw and auxiliary material transportation etc., the bottom of part sealing label group (sealing label group: multiple sealing labels are stacked to form sealing label group) after unsealing there is protruding warping condition (such as the drawing Figure 8 ), it causes GDX1 type cigarette packaging machine in through rotating negative pressure device sealing label adsorption conveying process, since rotating negative pressure device adsorption end and the contact area of bottom protruding sealing label group adsorption is small, the bottom protruding sealing label group placed in sealing label box is not easy to be negative pressure device from sealing label box bottom open end sequentially sucked (such as the drawing Figure 9 ) or when sucking causes skew, indirectly causes cigarette package sealing label link appearing cigarette package sealing label leakage and sealing label skew condition, which not only reduces equipment running efficiency and brings material waste, also makes machine table consumption increase, and cigarette package sealing label quality also fluctuates greatly.

[0003] Therefore, it is necessary to design the structure of warping sealing label correction, to solve the problem that, in the process of negative pressure device adsorbing sealing label in sealing label box to cigarette package sealing label station, since the contact area of rotating negative pressure device adsorption end and bottom protruding sealing label group adsorption is small, the bottom protruding sealing label group in label box is not easy to be negative pressure device from sealing label box bottom open end sequentially sucked, which causes skew, indirectly leads to cigarette package sealing label link appearing cigarette package sealing label leakage and sealing label skew. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a kind of sealing label warping correction device, to solve the problem that, in the process of negative pressure device adsorbing sealing label in sealing label box to cigarette package sealing label station, since the contact area of rotating negative pressure device adsorption end and bottom protruding sealing label group adsorption is small, the bottom protruding sealing label group in label box is not easy to be negative pressure device from sealing label box bottom open end sequentially sucked, which causes skew, indirectly leads to cigarette package sealing label link appearing cigarette package sealing label leakage and sealing label skew.

[0005] To solve the above technical problem, the utility model adopts the following technical scheme:

[0006] A kind of sealing label warping correction device, comprising:

[0007] Adjusting base;

[0008] The seal group clamping adjustable part includes an adjusting part and a fixing part. The bottom of the adjusting part is adjustably connected with the top of the adjusting base. The bottom of the fixing part is detachably connected with the adjusting base. The fixing part and the adjusting part define an entrance, a first clamping channel, a second clamping channel and an exit for the seal group to pass through in sequence.

[0009] The seal group pressing part is used in cooperation with the seal group clamping adjustable part.

[0010] Further, the adjusting part and the fixing part are respectively an adjusting clamping plate and a fixing clamping plate. The inner walls of the adjusting clamping plate and the fixing clamping plate are respectively provided with a first step, a second step, a third step and a fourth step from top to bottom. The first steps define the entrance for the seal group to enter. The second steps define the first clamping channel for clamping the seal. The third steps define the second clamping channel for clamping the seal. The fourth steps define the exit for taking the seal group.

[0011] Further, the heights of the third step, the second step, the first step and the fourth step decrease in sequence. The third step is 1mm higher than the second step.

[0012] Further, the bottom of the adjusting clamping plate is provided with a first threaded hole. The first threaded hole is adjustably connected with a waist-shaped counterbore through an adjusting bolt. The waist-shaped counterbore is provided on the adjusting base.

[0013] Further, at least two first threaded holes are provided along the bottom of the adjusting clamping plate. Correspondingly, at least two waist-shaped counterbores are provided along the adjusting base.

[0014] Further, the bottom of the fixing clamping plate is provided with a second threaded hole. The second threaded hole is detachably connected with a counterbore through a bolt. The counterbore is provided on the adjusting base.

[0015] Further, at least two second threaded holes are provided along the bottom of the fixing clamping plate. Correspondingly, at least two counterbores are provided along the adjusting base.

[0016] Further, the seal group pressing part includes a holding cylinder, a connecting rod and a pressing rod. The outer side wall of the holding cylinder is connected with the outer side wall of the pressing rod through the connecting rod. The pressing rod and the holding cylinder are arranged in parallel.

[0017] Further, the diameters of the pressing rod and the connecting rod are smaller than the widths between the first steps, the widths between the second steps, the widths between the third steps and the widths between the fourth steps.

[0018] Working process (refer to Figure 7), before the seal group is placed in the seal box, the width of the first clamping channel and the second clamping channel defined between the adjusting portion and the fixed portion can be adjusted according to the width of the bottom protruding seal group, so that the first clamping channel and the second clamping channel clamp the seal group with different widths, then the protruding seal group is clamped at the entrance defined between the adjusting portion and the fixed portion, then the protruding part of the seal group is aligned with the pressing end of the seal group pressing piece and contacted, then the seal group pressing piece is pressed downward along the vertical direction, under the pressing driving of the seal group pressing piece, the protruding seal group sequentially passes through the first clamping channel and the second clamping channel defined between the adjusting portion and the fixed portion, and the first clamping channel and the second clamping channel sequentially clamp the protruding seal group, and the protruding part of the seal group is pressed by the pressure applied by the seal group pressing piece, so that the protruding part of the seal group is corrected as a recess, then under the continuous pressing driving of the seal group pressing piece, the corrected seal group with the recess moves to the outlet defined between the adjusting portion and the fixed portion, and the bottom recessed seal group is taken out by the operator and placed in the seal box, and in the process of the DX1 type cigarette packaging machine conveying the seal by the rotating negative pressure device, because the contact area between the suction end of the rotating negative pressure device and the bottom recessed seal group is large, the seal group placed in the seal box is easily sucked from the open end of the seal box by the negative pressure device, and the situation that the cigarette is not sealed and the seal is skewed does not occur in the cigarette sealing process connected with the negative pressure device.

[0019] Compared with the prior art, the utility model has at least one of the following beneficial effects:

[0020] 1、 the utility model discloses a seal warping correction device formed by adjusting base, seal group clamping adjustable piece and seal group pressing piece, when correcting the warped seal, the protruding seal group is first placed in the entrance defined between the adjusting portion and the fixed portion for clamping, then the seal group pressing piece is pressed downward along the vertical direction, under the driving of the seal group pressing piece, the protruding seal group sequentially passes through the first clamping channel and the second clamping channel, the first clamping channel and the second clamping channel sequentially clamp the protruding seal group, and the protruding part of the seal group is pressed by the pressure applied by the seal group pressing piece, so that the protruding part of the seal group is corrected as a recess, then under the continuous pressing driving of the seal group pressing piece, the corrected seal group with the recess moves to the outlet defined between the adjusting portion and the fixed portion, and the bottom recessed seal group is taken out by the operator and placed in the seal box, so that when the negative pressure device sucks the corrected seal in the seal box, the corrected seal group in the seal box is easily normally sucked from the open end of the seal box by the negative pressure device, and the situation that the cigarette is not sealed and the seal is skewed does not occur in the cigarette sealing process connected with the negative pressure device.

[0021] 2、The utility model discloses a adjusting part bottom and adjusting base top adjustable connection, fixed part bottom and adjusting base detachable connection, the width of the first clamping channel and the second clamping channel that are defined between the fixed part and the adjusting part can be adjusted when clamping the warped seal of different width, so that the first clamping channel and the second clamping channel clamp the seal group of different width and needing correction, indirectly improve the practicality of the seal warping correction device.

[0022] 3、The utility model discloses a seal warping correction device not only simple structure and convenient operation, but also low production cost, and firm and durable, and it is beneficial to the tobacco industry and is widely used. DRAWINGS

[0023] Figure 1 It is the structure axle side schematic drawing of the utility model.

[0024] Figure 2 It is the main view schematic drawing of the utility model structure seal group clamping adjustable spare.

[0025] Figure 3 It is the structure schematic drawing of the utility model adjusting part (adjusting clamping block).

[0026] Figure 4 It is the structure schematic drawing of the utility model fixed part (fixed clamping block).

[0027] Figure 5 It is the structure explosion schematic drawing of the utility model.

[0028] Figure 6 It is the first orientation axle side schematic drawing of the utility model structure seal group clamping adjustable spare.

[0029] Figure 7 It is the process schematic drawing of the utility model structure seal warping correction device.

[0030] Figure 8 It is the utility model structure bottom protruding seal group schematic drawing.

[0031] Figure 9 It is the utility model structure bottom protruding seal group and adsorption device adsorption schematic drawing.

[0032] In the figure, 1 - adjusting base, 2 - seal group clamping adjustable part, 3 - adjusting part, 4 - fixed part, 5 inlet -, 6 - first clamping channel, 7 - second clamping channel, 8 - outlet, 9 - seal group pressing part, 10 - first stage step, 11 - second stage step, 12 - third stage step, 13 - fourth stage step, 14 - first threaded hole, 15 - waist type counterbore, 16 - second threaded hole, 17 - counterbore, 18 - handle, 19 - connecting rod, 20 - pressing rod. DETAILED DESCRIPTION

[0033] As Figures 1-9 shown, in order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0034] EMBODIMENT

[0035] The bottom of the part of the seal group (seal group: a plurality of seals stacked to form a seal group) after being opened will have a convex warping condition (as shown in the drawings Figure 8 ), which causes the GDX1 cigarette packaging machine to be not easy to be sucked from the open end of the seal box by the negative pressure device when the rotating negative pressure device is used to adsorb and transport the seal, or to be skewed when being sucked, which indirectly causes the cigarette seal segment to be not sealed and skewed. Figure 9 This not only reduces the efficiency of the equipment and causes material waste, but also increases the consumption of the machine, and the quality of the cigarette seal also fluctuates greatly.

[0036] Therefore, the application provides a seal warping correction device to solve the problem that the negative pressure device is not easy to be sucked from the open end of the seal box by the negative pressure device when the rotating negative pressure device is used to adsorb and transport the seal in the seal box to the cigarette seal station, or to be skewed when being sucked, which indirectly causes the cigarette seal segment to be not sealed and skewed.

[0037] Specifically, please refer to Figure 1The application discloses a seal warping correction device, which comprises an adjusting base 1, a seal group clamping adjustable part 2 and a seal group pressing part 9. The seal group clamping adjustable part 2 comprises an adjusting part 3 and a fixing part 4. The bottom of the adjusting part 3 is adjustably connected with the top of the adjusting base 1, and the bottom of the fixing part 4 is detachably connected with the adjusting base 1. The fixing part 4 and the adjusting part 3 define an entrance 5, a first clamping channel 6, a second clamping channel 7 and an exit 8 in sequence for the seal group to pass through. The seal group pressing part 9 is used in cooperation with the seal group clamping adjustable part 2.

[0038] In actual application, before the seal group is placed in the seal box, the width of the first clamping channel 6 and the second clamping channel 7 defined between the adjusting part 3 and the fixing part 4 can be adjusted according to the width of the protruding seal group, so that the first clamping channel 6 and the second clamping channel 7 clamp the seal group with different widths. Then, the protruding seal group is clamped at the entrance defined between the adjusting part 3 and the fixing part 4. The pressing end of the seal group pressing part 9 is aligned with and contacted with the protruding part of the seal group. Then, the seal group pressing part 9 is pressed downward along the vertical direction. Under the pressing of the seal group pressing part 9, the protruding seal group passes through the first clamping channel 6 and the second clamping channel 7 defined between the adjusting part 3 and the fixing part 4 in sequence. The first clamping channel 6 and the second clamping channel 7 clamp the protruding seal group in sequence and press the protruding part of the seal group under the pressure applied by the seal group pressing part 9, so that the protruding part of the seal group is corrected to be concave. Then, under the continuous pressing of the seal group pressing part 9, the seal group corrected to be concave is moved downward to the exit 8 defined between the adjusting part 3 and the fixing part 4. The seal group with the concave bottom is taken out by an operator and placed in the seal box. In the process of being sucked and conveyed by the rotary negative pressure device in the GDX1 cigarette packaging machine, the seal group placed in the seal box is easily sucked from the open end of the seal box by the negative pressure device due to the large contact area between the suction end of the rotary negative pressure device and the seal group with the concave bottom. The situation that the cigarette is not sealed by the seal or the seal is inclined does not occur in the seal process of the cigarette.

[0039] It should be noted that since the seal is a paper with an icon on one side and without an icon on the other side, when the protruding seal placed in the seal box affects the process of being sucked and conveyed by the rotary negative pressure device in the GDX1 cigarette packaging machine, only the side of the protruding seal can be corrected, and the protruding seal cannot be simply reversed.

[0040] Please refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4The adjusting part 3 and the fixing part 4 for clamping the seal are respectively adjusting clamping plates and fixing clamping plates, wherein the adjusting part 3 is an adjusting clamping plate, the fixing part 4 is a fixing clamping plate, and the inner walls of the adjusting clamping plate and the fixing clamping plate are respectively provided with a first step 10, a second step 11, a third step 12 and a fourth step 13 from top to bottom, the first steps 10 define an entrance 5 for the seal to enter, the second steps 11 define a first clamping channel 6 for clamping the seal, the third steps 12 define a second clamping channel 7 for clamping the seal, and the fourth steps 13 define an exit 8 for the seal to fall.

[0041] In actual use, during the pressing process of the seal by the seal pressing part 9 clamped between the adjusting clamping plate and the fixing clamping plate, the first steps 10 define the entrance 5 for the seal to enter to first clamp the warped seal, the second steps 11 define the first clamping channel 6 for clamping the seal to secondly clamp the warped seal, the third steps 12 define the second clamping channel 7 for clamping the seal to thirdly clamp the warped seal, and the fourth steps 13 define the exit 8 for the seal to fall to fourthly clamp the seal.

[0042] The first clamping is just to clamp the warped seal to prevent the warped seal from falling down, the second clamping has a certain clamping strength on the warped seal to assist the seal pressing part 9 to press the protruding part of the seal, the third clamping has a greater clamping strength on the warped seal than the second clamping to better assist the seal pressing part 9 to press the protruding part of the seal, and the fourth clamping has a smaller clamping strength on the concave seal than the first clamping.

[0043] It should be noted that the heights of the third steps 12, the second steps 11, the first steps 10 and the fourth steps 13 decrease in turn, and the third steps 12 are 1 mm higher than the second steps 11.

[0044] Please refer to Figure 2 , Figure 5 and Figure 6 , to realize the adjustable connection between the adjusting clamping plate and the adjusting base 1, a first threaded hole 14 is formed at the bottom of the adjusting clamping plate, the first threaded hole 14 is adjustably connected with a waist-shaped counterbore 15 through an adjusting bolt, and the waist-shaped counterbore 15 is formed on the adjusting base 1, that is, the screw rod in the adjusting bolt passes through the waist-shaped counterbore 15 on the adjusting base 1 and is threadedly connected with the first threaded hole 14 formed on the adjusting clamping plate, and the nut in the adjusting bolt abuts against the surface of the waist-shaped counterbore 15 on the adjusting base 1.

[0045] In actual application, the warped seal group with different width is clamped, the fixed clamping plate is kept stationary with the adjusting base 1, the adjusting bolt is separated from the adjusting clamping plate and the adjusting base 1, then the adjusting clamping plate is moved right or left along the surface of the waist type counterbore 15 on the adjusting base 1 according to the different width of the warped seal group, the width of the entrance 5, the first clamping channel 6, the second clamping channel 7 and the outlet 8 defined between the adjusting clamping plate and the fixed clamping plate is matched with the warped seal group with different width, finally the adjusting bolt is used to lock the adjusting clamping plate adjusted in place with the adjusting base 1, so as to complete the clamping process of the warped seal group with different width.

[0046] It should be noted that, in order to improve the stability of the connection between the adjusting clamping plate and the adjusting base 1, the first threaded hole 14 is provided with at least two along the bottom of the adjusting clamping plate, and the waist type counterbore 15 corresponding to the first threaded hole 14 is provided with at least two along the adjusting base 1.

[0047] It should be noted that the waist type counterbore 15 is a straight slot type waist type counterbore 15.

[0048] Please refer to Figure 5 , Figure 4 and Figure 6 , in order to realize the detachability or replaceability between the fixed clamping plate and the adjusting base 1, the second threaded hole 16 is provided on the bottom of the fixed clamping plate, the second threaded hole 16 is detachably connected with the counterbore 17 through the bolt, and the counterbore 17 is provided on the adjusting base 1, that is, the screw rod in the bolt is screwed with the second threaded hole 16 provided on the bottom of the fixed clamping plate through the counterbore 17 on the adjusting base 1, and the nut in the bolt is in contact with the surface of the counterbore 17 on the adjusting base 1.

[0049] In actual application, when the fixed clamping plate and the adjusting base 1 are disassembled, the second threaded hole 16 on the fixed clamping plate is first separated from the bolt, and then the bolt is taken out of the counterbore 17 on the adjusting base 1, so that the fixed clamping plate and the adjusting base 1 are separated to complete the disassembly process of the fixed clamping plate and the adjusting base 1.

[0050] When the fixed clamping plate and the adjusting base 1 are assembled, the screw rod in the bolt is screwed with the second threaded hole 16 on the fixed clamping plate through the counterbore 17 on the adjusting base 1, and the nut in the bolt is in contact with the surface of the counterbore 17 on the adjusting base 1, so that the fixed clamping plate and the adjusting base 1 are connected to complete the assembly process of the fixed clamping plate and the adjusting base 1.

[0051] It should be noted that, in order to improve the stability of the connection between the fixed clamping plate and the adjusting base 1, the second threaded hole 16 is provided with at least two along the bottom of the fixed clamping plate, and the counterbore 17 corresponding to the second threaded hole 16 is provided with at least two along the adjusting base 1.

[0052] Please refer to Figure 1 and Figure 5 The seal set pressing piece 9 for pressing the warped seal set clamped between the adjusting clamping plate and the fixed clamping plate comprises a handle 18, a connecting rod 19 and a pressing rod 20; the handle 18 is used for being held by an operator; the connecting rod 19 is used for connecting the handle 18 and the pressing rod 20; and the pressing rod 20 is used for contacting the protruding part of the warped seal set.

[0053] Specifically, the outer wall of the handle 17 is connected with the outer wall of the pressing rod 20 through the connecting rod 19, and the pressing rod 20 is arranged in parallel with the handle 18.

[0054] In actual application, during the pressing process of the seal set pressing piece 9 on the seal set clamped between the adjusting clamping plate and the fixed clamping plate, the operator can hold the handle 17 and press the handle 17 downward along the vertical direction, so that the pressing rod 20 connected with the handle 17 through the connecting rod 19 presses the warped seal set clamped between the adjusting clamping plate and the fixed clamping plate.

[0055] It should be noted that, in order to prevent the first step 10, the second step 11, the third step 12 and the fourth step 13 from interfering with the pressing rod 20 and the connecting rod 19 in the seal set pressing piece 9 when the seal set pressing piece 9 presses the warped seal set, the diameter of the pressing rod 20 and the connecting rod 19 is smaller than the width between the first steps 10, the width between the second steps 11, the width between the third steps 12 and the width between the fourth steps 13.

[0056] Although the present application has been described with reference to a number of explanatory embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the scope of the principles disclosed herein. More particularly, various modifications and improvements can be made to the compositions of matter and / or methods described herein within the scope and range of equivalents of the disclosed subject matter. In addition to modifications and improvements to compositions of matter and / or methods disclosed herein, other applications can be readily apparent to those of ordinary skill in the art.

Claims

1. A seal warping correction device, characterized by: include: Adjusting the base (1); The sealing group clamping adjustable member (2) comprises an adjusting portion (3) and a fixing portion (4), the bottom of the adjusting portion (3) is adjustably connected to the top of the adjusting base (1), the bottom of the fixing portion (4) is detachably connected to the adjusting base (1), and an entrance (5), a first clamping channel (6), a second clamping channel (7), and an exit (8) for the sealing group to pass through in sequence are defined between the fixing portion (4) and the adjusting portion (3); The sealing group pressing piece (9) is used in conjunction with the sealing group clamping adjustable piece (2).

2. The seal warping correction device according to claim 1, characterized in that: The adjusting portion (3) and the fixing portion (4) are respectively an adjusting clamping plate and a fixing clamping plate, and the inner walls of the adjusting clamping plate and the fixing clamping plate are respectively provided with a first step (10), a second step (11), a third step (12) and a fourth step (13) from top to bottom, an entrance (5) for the sealing group to enter is defined between the first steps (10), a first clamping channel (6) for clamping the sealing group is defined between the second steps (11), a second clamping channel (7) for clamping the sealing group is defined between the third steps (12), and an exit (8) for taking out the sealing group is defined between the fourth steps (13).

3. The seal warping correction device according to claim 2, characterized in that: The heights of the third step (12), the second step (11), the first step (10) and the fourth step (13) decrease in sequence, and the third step (12) is 1 mm higher than the second step (11).

4. The seal warping correction device according to claim 2, characterized in that: A first threaded hole (14) is provided at the bottom of the adjusting clamping plate. The first threaded hole (14) is adjustably connected to a waist-shaped countersunk hole (15) via an adjusting bolt. The waist-shaped countersunk hole (15) is provided on the adjusting base (1).

5. The seal warping correction device according to claim 4, characterized in that: At least two of the first threaded holes (14) are provided along the bottom of the adjustment clamping plate, and at least two waist-shaped countersunk holes (15) corresponding to the first threaded holes (14) are provided along the adjustment base (1).

6. The seal warping correction device according to claim 2, characterized in that: A second threaded hole (16) is provided at the bottom of the fixed clamping plate. The second threaded hole (16) is detachably connected to a countersunk hole (17) via a bolt. The countersunk hole (17) is provided on the adjustment base (1).

7. The seal warping correction device according to claim 6, characterized in that: At least two second threaded holes (16) are provided along the bottom of the fixed clamping plate, and at least two countersunk holes (17) corresponding to the second threaded holes (16) are provided along the adjusting base (1).

8. The seal warping correction device according to claim 1, characterized in that: The sealing assembly pressing member (9) comprises a grip tube (18), a connecting rod (19) and a pressing rod (20); the outer wall of the grip tube (18) is connected to the outer wall of the pressing rod (20) via the connecting rod (19), and the pressing rod (20) and the grip tube (18) are arranged in parallel.

9. The seal warping correction device according to claim 8, characterized in that: The diameters of the pressing rod (20) and the connecting rod (19) are smaller than the width between the first steps (10), the wide width between the second steps (11), the wide width between the third steps (12), and the width between the fourth steps (13).