Spraying device and production line of duct piece mold

Abstract

The utility model discloses a spraying device and a production line of a duct piece mold, and relates to the technical field of duct piece manufacturing, the spraying device of the duct piece mold comprises a base frame, a sealing cover, a sealing structure and a spraying structure; the sealing cover is mounted on the base frame in a lifting manner, and the sealing cover is used for descending to cover the top of the segment mold so as to seal the opening; the sealing structure comprises a sealing seat and an air bag, the sealing seat is installed at the bottom of the sealing cover, the sealing seat is provided with a sealing groove, the sealing groove is annularly formed in the periphery of the sealing seat around the vertical direction, a groove opening of the sealing groove faces outwards, and the air bag is annular and annularly arranged in the sealing groove; and the spraying structure is mounted at the bottom of the sealing seat. According to the spraying device of the duct piece mold, spraying of the release agent of the duct piece mold can be completed without adopting a manual mode, the spraying efficiency is high, the risk that the release agent overflows out of the pouring cavity is reduced, and therefore the possibility of damage to the health of personnel is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to segment manufacturing technical field, especially a kind of segment mould's spraying device and production line. BACKGROUND

[0002] Segment is the main assembly component of shield construction, is the innermost layer barrier of tunnel, bears the role of resisting soil pressure, groundwater pressure and some special load. Among them, segment is generally prefabricated by pouring concrete into dedicated segment mould. In order to facilitate the prefabricated segment to be taken out from the segment mould, it is necessary to spray release agent in the segment mould before prefabricating the segment, and at present, the spraying of release agent is usually carried out by manual spraying on the segment mould, which has low spraying efficiency and the personnel are easy to inhale the sprayed release agent, causing damage to their health. SUMMARY

[0003] The main purpose of the utility model is to provide a kind of segment mould's spraying device and production line, to solve the technical problem that the spraying efficiency is low and the personnel are easy to inhale the sprayed release agent, causing damage to their health when the segment mould is usually sprayed by manual method.

[0004] To achieve the above-mentioned purpose, the spraying device for segment mould is provided, the pouring cavity and the opening are formed in the segment mould, the opening is arranged at the top of the segment mould and communicates with the pouring cavity, and the spraying device comprises:

[0005] a base frame;

[0006] a sealing cover, which is installed on the base frame in a lifting manner, and is used to cover the top of the segment mould to close the opening;

[0007] a sealing structure, which comprises a sealing seat and an air bag, the sealing seat is installed at the bottom of the sealing cover, the sealing seat is provided with a sealing groove, the sealing groove is arranged around the outer periphery of the sealing seat in a vertical ring, the groove opening of the sealing groove faces outward, and the air bag is annular and arranged in the sealing groove;

[0008] a spraying structure, which is installed at the bottom of the sealing seat;

[0009] When the sealing cover is lowered to cover the top of the segment mould, the sealing seat is used to extend into the pouring cavity from the opening, the air bag is used to inflate and abut against the inner cavity wall of the pouring cavity, and the spraying structure is used to spray release agent into the pouring cavity.

[0010] In an embodiment, a sealing frame is mounted on the bottom of the sealing cover, the sealing frame is annularly arranged on the outer periphery of the sealing seat and is spaced apart from the sealing seat, the sealing frame and the sealing cover form a sealing cavity, the sealing cavity is used for the pipe segment mold to extend from the bottom of the sealing frame, a sealing assembly is mounted on the inner periphery of the sealing frame, and the sealing assembly is used for sealing cooperation with the outer periphery of the pipe segment mold when the pipe segment mold extends into the sealing cavity.

[0011] In an embodiment, the sealing assembly comprises a sealing rubber sheet, the sealing rubber sheet is annularly arranged on the inner periphery of the sealing frame, and the sealing rubber sheet is used for abutting against the outer periphery of the pipe segment mold to realize sealing cooperation with the outer periphery of the pipe segment mold when the pipe segment mold extends into the sealing cavity.

[0012] In an embodiment, the sealing seat is internally embedded with an inflation pipe and an exhaust pipe, the inflation pipe and the exhaust pipe are both in communication with the air bag, the inflation pipe is used for inflating the air bag, and the exhaust pipe is used for exhausting the air bag.

[0013] In an embodiment, the sealing seat comprises a rectangular cylinder and a rectangular ring plate, the rectangular cylinder extends in the vertical direction, the top of the rectangular cylinder is connected to the bottom of the sealing cover, the inner side of the rectangular ring plate is connected to the top of the rectangular cylinder, and the outer side of the rectangular ring plate extends in the horizontal direction away from the rectangular cylinder, the sealing cover, the rectangular cylinder and the rectangular ring plate form the sealing groove.

[0014] In an embodiment, the sealing cover is provided with an exhaust port corresponding to the position in the rectangular cylinder, the spraying device further comprises an exhaust structure, the exhaust structure comprises an exhaust pipe and an exhaust fan, the exhaust fan is mounted at the exhaust port, and the exhaust pipe is in communication with the exhaust port.

[0015] In an embodiment, the spraying structure comprises a plurality of spray heads, and the plurality of spray heads are spaced apart and mounted on the bottom of the rectangular ring plate in the circumferential direction of the rectangular ring plate.

[0016] In an embodiment, the base frame is provided with a lifting mechanism, the lifting mechanism comprises a lifting drive and a lifting rod, the lifting drive is mounted on the base frame, the top end of the lifting rod is mounted on the lifting drive, and the bottom end of the lifting rod is connected to the top of the sealing cover, the lifting drive is used for driving the lifting rod to lift to drive the sealing cover to lift.

[0017] In an embodiment, the lifting mechanism comprises a plurality of lifting rods which are spaced apart in the horizontal direction, the top end of each of the plurality of lifting rods is mounted on the lifting drive, the bottom end of each of the plurality of lifting rods is connected to the top of the sealing cover, and the lifting drive is used for driving the plurality of lifting rods to lift.

[0018] The utility model discloses still provide a production line of segment mould, the production line of segment mould has the spraying device of segment mould of above-mentioned application.

[0019] The utility model discloses technical scheme through placing segment mould below sealing cover, lowering sealing cover to cover and set above segment mould, can close the opening of segment mould, to close the pouring cavity, through the spraying mechanism of the bottom of the sealing seat of pouring into the pouring cavity can spray to the inner chamber wall of segment mould, thereby realize the spraying of segment mould release agent, simple and convenient, and the spraying efficiency is high. Since spraying segment release agent is carried out in the closed pouring cavity, can effectively reduce the possibility of release agent overflow pouring cavity, thereby effectively eliminates the risk of personnel inhaling release agent. And the outer periphery of sealing seat is provided with sealing groove, and the sealing groove is arranged around the up-down direction, and the slot of sealing groove is outward, in the case where sealing seat pours into pouring cavity, through the inflation of annular air bag in sealing groove, makes air bag and the inner chamber wall of pouring cavity abut, thereby further seals pouring cavity through air bag, thereby further reduces the risk of release agent overflow pouring cavity, and further eliminates the risk of personnel inhaling release agent. Through the spraying device of segment mould provided by the utility model can complete the spraying of segment mould release agent without using manual mode, and the spraying efficiency is high, reduces the risk of release agent overflow pouring cavity, thereby reduces the possibility of causing damage to personnel health. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, below will to the drawing needed to use in the embodiment or prior art description simple introduction, obviously, the drawing in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, can also obtain other drawings according to the structure shown by these drawings.

[0021] Figure 1 It is a structure schematic drawing of an embodiment of the spraying device of segment mould provided by the utility model;

[0022] Figure 2 It is a structure schematic drawing of part structure in an embodiment of the spraying device of segment mould provided by the utility model;

[0023] Figure 3 It is a structure schematic drawing of sealing cover in an embodiment of the spraying device of segment mould provided by the utility model;

[0024] Figure 4 It is a structure schematic drawing of sealing seat in an embodiment of the spraying device of segment mould provided by the utility model;

[0025] Figure 5 The top view schematic diagram of the air bag in one embodiment of the spraying device of the segment mold provided by the utility model is shown in the figure.

[0026] Figure 6 The structural schematic diagram of the segment mold.

[0027] Explanation of the reference signs:

[0028] 100, spraying device; 10, base frame; 20, sealing cover; 21, sealing frame; 22, sealing assembly; 221, sealing rubber sheet; 23, exhaust port; 24, sealing cavity; 30, sealing structure; 31, sealing seat; 311, rectangular cylinder; 312, rectangular ring plate; 32, air bag; 33, sealing groove; 34, inflation pipe; 35, exhaust pipe; 40, spraying structure; 41, spray head; 50, exhaust structure; 51, exhaust pipe; 52, exhaust fan; 60, lifting mechanism; 61, lifting driving piece; 62, lifting rod; 63, lifting plate; 200, segment mold; 201, pouring cavity; 202, opening.

[0029] The realization, functional features and advantages of the utility model will be further described in combination with the embodiments and with reference to the drawings. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.

[0031] It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture, and if the specific posture changes, the directional indications will also change accordingly.

[0032] In addition, if the description of "first", "second" and the like is involved in the embodiments of the present application, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the same or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, if "and / or" or "and / or" appears throughout the text, it means that the three parallel schemes include the A scheme, or the B scheme, or the A and B schemes. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.

[0033] The segment is the main assembly component of the shield construction, which is the innermost barrier of the tunnel, and bears the role of resisting the earth pressure, underground water pressure and some special loads. Among them, the segment is generally preformed by pouring concrete into a special segment mold. In order to facilitate the removal of the preformed segment from the segment mold, a release agent needs to be sprayed in the segment mold before the segment is preformed. At present, the spraying of the release agent is usually sprayed on the segment mold by manual method, which has low spraying efficiency and the personnel is easy to inhale the sprayed release agent, causing damage to their health.

[0034] The utility model provides a kind of spraying device 100 and production line of segment mold.

[0035] Please refer to Figures 1 to 6 In an embodiment of the present application, a pouring cavity 201 and an opening 202 are formed in the segment mold 200, the opening 202 is opened at the top of the segment mold 200 and communicates with the pouring cavity 201, and the spraying device 100 of the segment mold 200 includes a base frame 10, a sealing cover 20, a sealing structure 30 and a spraying structure 40. The sealing cover 20 is installed on the base frame 10 in a lifting manner, and the sealing cover 20 is used to cover the top of the segment mold 200 to close the opening 202. The sealing structure 30 includes a sealing seat 31 and an air bag 32. The sealing seat 31 is installed at the bottom of the sealing cover 20, the sealing seat 31 is provided with a sealing groove 33, the sealing groove 33 is annularly arranged on the outer periphery of the sealing seat 31, and the groove opening of the sealing groove 33 faces outward. The air bag 32 is annular and arranged in the sealing groove 33. The spraying structure 40 is installed at the bottom of the sealing seat 31. When the sealing cover is lowered to cover the top of the segment mold 200, the sealing seat 31 is used to extend into the pouring cavity 201 from the opening 202, the air bag 32 is used to inflate and abut against the inner cavity wall of the pouring cavity 201, and the spraying structure 40 is used to spray the release agent into the pouring cavity 201.

[0036] The vertical direction isFigure 1 vertical direction in the figure.

[0037] The technical scheme of the utility model places the segment mould 200 below the sealing cover 20, lowers the sealing cover 20 to cover the top of the segment mould 200, can close the opening 202 of the segment mould 200 to close the pouring cavity 201, and can spray the inner cavity wall of the segment mould 200 through the spraying mechanism installed at the bottom of the sealing seat 31 extending into the pouring cavity 201, thereby realizing spraying of the segment mould 200 with the release agent, which is simple and convenient and has high spraying efficiency. Since spraying of the segment with the release agent is performed in the closed pouring cavity 201, the possibility of the release agent overflowing out of the pouring cavity 201 can be effectively reduced, thereby effectively eliminating the risk of personnel inhaling the release agent. In addition, the sealing groove 33 is formed in the outer periphery of the sealing seat 31, the sealing groove 33 is arranged around the vertical direction, the groove opening of the sealing groove 33 faces outward, in the case that the sealing seat 31 extends into the pouring cavity 201, the annular air bag 32 in the sealing groove 33 is inflated, the air bag 32 abuts against the inner cavity wall of the pouring cavity 201, thereby further sealing the pouring cavity 201 through the air bag 32, thereby further reducing the risk of the release agent overflowing out of the pouring cavity 201 and further eliminating the risk of personnel inhaling the release agent. The spraying device 100 of the segment mould 200 provided by the utility model can complete spraying of the segment mould 200 with the release agent without manual operation, has high spraying efficiency, reduces the risk of the release agent overflowing out of the pouring cavity 201, and thereby reduces the possibility of damaging the health of personnel.

[0038] In an embodiment of the utility model, the bottom of the sealing cover 20 is installed with a sealing frame 21, the sealing frame 21 is annularly arranged in the outer periphery of the sealing seat 31 and is arranged in a spaced manner with the sealing seat 31, the sealing frame 21 and the sealing cover 20 enclose to form a sealing cavity 24, the sealing cavity 24 is used for extending the segment mould 200 into the bottom of the sealing frame 21, the inner periphery of the sealing frame 21 is installed with a sealing assembly 22, the sealing assembly 22 is used for sealingly cooperating with the outer periphery of the segment mould 200 in the case that the segment mould 200 extends into the pouring cavity 201.

[0039] Specifically, as shown in Figures 1 to 3 the sealing frame 21 at the bottom of the sealing cover 20 is annularly arranged in the outer periphery of the segment mould 200, the sealing assembly 22 on the inner side of the sealing frame 21 and the outer periphery of the segment mould 200 sealingly cooperate, which can further reduce the risk of the release agent overflowing out of the pouring cavity 201 and has better sealing effect on the pouring cavity 201.

[0040] In an embodiment of the utility model, the sealing assembly 22 comprises a sealing rubber sheet 221, the sealing rubber sheet 221 is annularly arranged on the inner periphery of the sealing frame 21, and the sealing rubber sheet 221 is used for abutting against the outer periphery of the segment mold 200 in the case that the segment mold 200 extends into the pouring cavity 201, so as to be sealingly matched with the outer periphery of the segment mold 200.

[0041] Further, the sealing assembly 22 comprises the sealing frame 21, in the case that the segment mold 200 extends into the sealing cavity 24, the sealing rubber sheet 221 annularly arranged on the inner periphery of the sealing frame 21 abuts against the outer periphery of the segment mold 200, so as to further seal the pouring cavity 201, which is simple and convenient and easy to obtain materials.

[0042] In an embodiment of the utility model, the sealing seat 31 is internally embedded with an inflation pipe 34 and an exhaust pipe 5135, the inflation pipe 34 and the exhaust pipe 5135 are both in communication with the air bag 32, the inflation pipe 34 is used for inflating the air bag 32, and the exhaust pipe 5135 is used for exhausting the air bag 32.

[0043] Specifically, the inflation pipe 34 and the exhaust pipe 5135 embedded in the sealing seat 31 can conveniently inflate and exhaust the air bag 32, so as to realize inflation and exhaust of the air bag 32, and the structure is simple.

[0044] It should be noted that, Figure 1 Only part of the inflation pipe 34 and part of the exhaust pipe 5135 are shown in the figure.

[0045] In an embodiment of the utility model, the sealing seat 31 comprises a rectangular cylinder 311 and a rectangular ring plate 312, the rectangular cylinder 311 extends in the vertical direction, the top of the rectangular cylinder 311 is connected to the bottom of the sealing cover 20, the inner side of the rectangular ring plate 312 is connected to the top of the rectangular cylinder 311, the outer side of the rectangular ring plate 312 extends in the horizontal direction away from the rectangular cylinder 311, and the sealing cover 20, the rectangular cylinder 311 and the rectangular ring plate 312 enclose the sealing groove 33.

[0046] Specifically, as shown in the figure, Figure 4 The rectangular cylinder 311 and the rectangular ring plate 312 are in the shape of a rectangular ring, the rectangular cylinder 311 is installed on the bottom of the sealing cover 20, the rectangular ring plate 312 is installed on the bottom of the rectangular cylinder 311, the sealing groove 33 is enclosed by the rectangular cylinder 311, the rectangular ring plate 312 and the sealing cover 20, and the structure is relatively compact and reasonable in design.

[0047] In an embodiment of the utility model, sealing cover 20 is equipped with exhaust port 23 corresponding to the position in rectangular cylinder 311, spraying device 100 further includes exhaust structure 50, exhaust structure 50 includes exhaust pipe 5135 and exhaust fan 52, exhaust fan 52 is installed at exhaust port 23, exhaust pipe 5135 is communicated with exhaust port 23.

[0048] Specifically, as shown in Figure 3 When sealing cover 20 is covered on the top of segment mould 200, the release agent floating in the air in pouring cavity 201 can be discharged from exhaust pipe 5135 through exhaust port 23 by exhaust fan 52, so that the release agent floating in the air in pouring cavity 201 is prevented from overflowing from opening 202 when sealing cover 20 is lifted and opening 202 is opened, and the risk of the release agent overflowing from pouring cavity 201 is further reduced.

[0049] It should be noted that only part of exhaust pipe 5135 is shown in the figure.

[0050] In an embodiment of the utility model, spraying structure 40 includes multiple spray heads 41, and the multiple spray heads 41 are installed on the bottom of rectangular ring plate 312 in a circumferential direction.

[0051] Specifically, by the multiple spray heads 41 installed on the bottom of rectangular ring plate 312 in a circumferential direction, the release agent can be sprayed more uniformly to the sleeper mould by the multiple spray heads 41, and the spraying effect is better.

[0052] In an embodiment of the utility model, the base frame 10 is provided with a lifting mechanism 60, the lifting mechanism 60 includes a lifting drive 61 and a lifting rod 62, the lifting drive 61 is installed on the base frame 10, the top end of the lifting rod 62 is installed on the lifting drive 61, the bottom end of the lifting rod 62 is connected to the top of the sealing cover 20, and the lifting drive 61 is used to drive the lifting rod 62 to lift, so as to drive the sealing cover 20 to lift.

[0053] Specifically, as shown in Figure 1 The top of the rack is provided with a lifting drive 61, the lifting drive 61 can adopt a hydraulic cylinder in the prior art, the driving shaft of the lifting drive 61 is connected to a lifting plate 63, the top end of the lifting rod 62 is connected to the lifting plate 63, the lifting drive 61 drives the lifting plate 63 to lift, so as to drive the lifting rod 62 and the sealing rod connected to the bottom of the lifting rod 62 to lift, and the structure is simple.

[0054] In an embodiment of the utility model, the lifting mechanism 60 includes multiple lifting rods 62 arranged in a horizontal direction, the top end of each of the multiple lifting rods 62 is installed on the lifting drive 61, the bottom end of each of the multiple lifting rods 62 is connected to the top of the sealing cover 20, and the lifting drive 61 is used to drive the multiple lifting rods 62 to lift.

[0055] Specifically, the lifting plate 63 extends along the left-right direction, the plurality of lifting rods 62 are connected to the bottom of the lifting plate 63 in the left-right direction, the sealing cover 20 is connected to the bottom of the plurality of lifting rods 62, the sealing cover 20 can be more firmly installed on the base frame 10, and the sealing cover 20 can be more smoothly lifted.

[0056] The utility model discloses still propose a kind of production line of segment mould 200, the spraying device 100 of segment mould 200 is applied to the production line of segment mould 200, the specific structure of the spraying device 100 of segment mould 200 refers to above-mentioned embodiment, since the production line of this segment mould 200 adopts all technical solutions of above-mentioned all embodiments, at least have all beneficial effects brought by the technical scheme of above-mentioned embodiment, here no longer one by one elaboration.

[0057] The above-mentioned is only the exemplary embodiment of the utility model, and does not limit the patent range of the utility model, and all equivalent structural transformations made by using the utility model specification and drawing contents, or direct / indirect application in other related technical fields are included in the patent protection range of the utility model.

Claims

1. A spraying device for a segment mold, characterized by, The pipe segment mold is provided with a pouring cavity and an opening, the opening is arranged on the top of the pipe segment mold and communicates with the pouring cavity, and the spraying device comprises: a base frame; a sealing cover which is installed on the base frame in a lifting manner and is used to cover the top of the pipe segment mold to seal the opening; a sealing structure which comprises a sealing seat and an air bag, the sealing seat is installed on the bottom of the sealing cover, the sealing seat is provided with a sealing groove which is arranged around the outer periphery of the sealing seat in a vertical direction, and the groove opening of the sealing groove faces outward, and the air bag is annular and arranged in the sealing groove; a spraying structure which is installed on the bottom of the sealing seat; when the sealing cover is lowered to cover the top of the pipe segment mold, the sealing seat is used to extend into the pouring cavity from the opening, the air bag is used to be inflated and abut against the inner cavity wall of the pouring cavity, and the spraying structure is used to spray the releasing agent into the pouring cavity.

2. The spraying apparatus for a segment mold according to claim 1, wherein The bottom of the sealing cover is provided with a sealing frame which is arranged around the outer periphery of the sealing seat and is spaced apart from the sealing seat, the sealing frame and the sealing cover form a sealing cavity, the sealing cavity is used for the pipe segment mold to extend into the sealing cavity from the bottom of the sealing frame, the inner periphery of the sealing frame is provided with a sealing assembly, and the sealing assembly is used to be in sealing cooperation with the outer periphery of the pipe segment mold when the pipe segment mold extends into the sealing cavity.

3. The spraying apparatus for a segment mold according to claim 2, wherein The sealing assembly comprises a sealing rubber sheet which is arranged around the inner periphery of the sealing frame, and is used to abut against the outer periphery of the pipe segment mold to be in sealing cooperation with the outer periphery of the pipe segment mold when the pipe segment mold extends into the sealing cavity.

4. The spraying apparatus for a segment mold according to claim 1, wherein The sealing seat is embedded with an air charging pipe and an air discharging pipe, the air charging pipe and the air discharging pipe both communicate with the air bag, the air charging pipe is used to charge air to the air bag, and the air discharging pipe is used to discharge air from the air bag.

5. The spraying apparatus for a pipe section mold according to any one of claims 1 to 4, characterized by The sealing seat comprises a rectangular cylinder and a rectangular ring plate, the rectangular cylinder extends in a vertical direction, the top of the rectangular cylinder is connected to the bottom of the sealing cover, the inner side of the rectangular ring plate is connected to the top of the rectangular cylinder, the outer side of the rectangular ring plate extends in a horizontal direction away from the rectangular cylinder, and the sealing cover, the rectangular cylinder and the rectangular ring plate form the sealing groove.

6. The spraying apparatus for a segment mold according to claim 5, wherein The sealing cover is provided with an air outlet at a position corresponding to the rectangular cylinder, and the spraying device further comprises an air discharging structure, the air discharging structure comprises an air discharging pipe and an air discharging fan, the air discharging fan is installed at the air outlet, and the air discharging pipe communicates with the air outlet.

7. The spraying apparatus for a segment mold according to claim 5, wherein The spraying structure comprises a plurality of spray heads which are installed on the bottom of the rectangular ring plate in a spaced manner along the circumferential direction of the rectangular ring plate.

8. A spraying device for a pipe segment mold according to any one of claims 1 to 4, characterized in that The base frame is provided with a lifting mechanism, the lifting mechanism comprises a lifting driving element and a lifting rod, the lifting driving element is installed on the base frame, the top end of the lifting rod is installed on the lifting driving element, the bottom end of the lifting rod is connected to the top of the sealing cover, and the lifting driving element is used to drive the lifting rod to lift to drive the sealing cover to lift.

9. The spraying apparatus for a segment mold according to claim 8, wherein The lifting mechanism comprises a plurality of lifting rods arranged in a horizontal direction, the top ends of the plurality of lifting rods are installed on the lifting driving member, and the bottom ends of the plurality of lifting rods are connected to the top of the sealing cover, and the lifting driving member is used to drive the plurality of lifting rods to lift.

10. A production line of a segment mold characterized by comprising: The production line of the segment mold applies the spraying device of the segment mold according to any one of claims 1 to 9.

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