阅读说明：本技术 一种玻璃钢运输储罐制造方法 (Manufacturing method of glass fiber reinforced plastic transportation storage tank ) 是由 吴璇 苏林生 于 2020-05-18 设计创作，主要内容包括：本发明提供了一种玻璃钢运输储罐制造方法,由底板、辅助单元、固定单元和绕卷单元配合完成玻璃钢运输储罐的制造；本发明可以解决目前的缠绕层在对罐体外壁进行缠绕的过程中主要存在的a：罐体外壁的防护层缠绕不均匀,导致防护层进行缠绕时其防护层之间存在间隙,并且现有的缠绕方式使得防护层之间存在严重的蓬松现象；影响罐体的保温性能；b：罐体质量大,导致现有的固定装置在固定罐体时难以带动罐体进行同步转动,并且在罐体转动的过程中容易发生滑转的情况等难题。(The invention provides a manufacturing method of a glass fiber reinforced plastic transportation storage tank, which is characterized in that the manufacturing of the glass fiber reinforced plastic transportation storage tank is completed by matching a bottom plate, an auxiliary unit, a fixing unit and a winding unit; the invention can solve the problems that the existing winding layer mainly comprises the following components in the process of winding the outer wall of the tank body: the winding of the protective layers on the outer wall of the tank body is not uniform, so that gaps exist among the protective layers when the protective layers are wound, and the existing winding mode causes a serious fluffy phenomenon among the protective layers; the heat insulation performance of the tank body is influenced; b: the tank body has large mass, so that the existing fixing device is difficult to drive the tank body to synchronously rotate when the tank body is fixed, and the problem that the tank body is easy to slip in the rotating process is solved.)

1. A manufacturing method of a glass fiber reinforced plastic transportation storage tank is characterized by comprising the following steps: the specific manufacturing method of the glass fiber reinforced plastic transportation storage tank comprises the following steps:

s1, hoisting the tank body: placing the tank body on the auxiliary unit through the hoisting equipment;

s2, fixing the tank body: the tank body is lifted to a proper height through the auxiliary unit (2); then the tank body is fixed through a fixing unit (3) in an inner supporting and fixing mode;

s3, rotating the tank body: the auxiliary unit (2) is lowered to a suitable position; the tank body is driven to rotate along the axis by the fixing unit (3);

s4, winding a protective layer: one end of a protective layer on the winding unit (4) is attached to the outer wall of the tank body; the winding layer is wound on the outer wall of the tank body in a self-rotating mode of the tank body, and the protective layer is uniformly wound on the outer wall of the tank body through uniform movement of the winding unit (4) in the winding process;

s5, tank body subsequent processing: after the protective layer is finished, carrying out subsequent processing treatment on the outer wall of the tank body manually;

the manufacturing of the glass fiber reinforced plastic transportation storage tank in the steps S1-S5 of the manufacturing method of the glass fiber reinforced plastic transportation storage tank is completed by matching the bottom plate (1), the auxiliary unit (2), the fixing unit (3) and the winding unit (4); wherein:

an auxiliary unit (2) is arranged in the middle of the upper end face of the bottom plate (1), a fixing unit (3) is arranged at the upper end of the bottom plate (1), and a glass fiber reinforced plastic transportation storage tank to be processed is placed on the fixing unit (3); a winding unit (4) is arranged at the rear side of the upper end face of the bottom plate (1) in a sliding fit manner;

the fixing unit (3) comprises an adjusting motor (31), an adjusting screw rod (32), a sliding side plate (33), an actuating motor (34), a driving gear (35), a driven gear (36), a fixing module (37) and an overlapping module (38); the adjusting mechanism is characterized in that the adjusting motor (31) is installed on the bottom plate (1) through a motor base, an output shaft of the adjusting motor (31) is connected with a shaft head at one end of the adjusting screw rod (32) through a coupler, a shaft head at the other end of the adjusting screw rod (32) is installed on the bottom plate (1) through a bearing, and the sliding side plate (33) is installed on the bottom plate (1) in a sliding fit mode and is connected with the adjusting screw rod (32) in a thread fit mode; the upper end of the sliding side plate (33) is provided with a fixed module (37) through a bearing, the actuating motor (34) is arranged on the sliding side plate (33) through a motor base, an output shaft of the actuating motor (34) is provided with a driving gear (35) through a flange, and the driven gear (36) is arranged on the outer wall of the fixed module (37) and is meshed with the driving gear (35); the lap joint module (38) is arranged on the bottom plate (1), and the lap joint module (38) is matched with the fixing module (37).

2. The method for manufacturing a glass fiber reinforced plastic transportation storage tank according to claim 1, wherein the method comprises the following steps: the winding unit (4) comprises an electric sliding block (41), a fixed plate (42), a limiting column (43), a limiting spring (44), a fixed clamping plate (45), a movable clamping plate (46), a unwinding roller (47), a clamping spring (48) and a clamping block (49); the electric sliding block (41) is arranged on the bottom plate (1) in a sliding fit mode, the upper end of the electric sliding block (41) is provided with a fixed plate (42), the inner wall of the left side of the upper end of the fixed plate (42) is provided with a rectangular groove, a limiting column (43) is arranged in the rectangular groove, and the outer wall of the limiting column (43) is sleeved with a limiting spring (44); the movable clamping plate (46) is arranged on the fixed plate (42) in a sliding fit mode and matched with the limiting column (43), a circular hole is formed in the movable clamping plate (46), clamping blocks (49) are uniformly arranged on the inner wall of the circular hole in a movable connection mode, and the clamping blocks (49) are connected with the inner wall of the movable clamping plate (46) through clamping springs (48); the outer wall of the clamping block (49) is provided with a ball; the fixed clamping plate (45) is arranged on the fixed plate (42) and corresponds to the movable clamping plate (46), the unwinding roller (47) is arranged on the fixed clamping plate (45) through a bearing, the shaft head at the other end of the unwinding roller (47) is of a conical structure, an arc-shaped clamping groove is uniformly formed in the outer wall of the unwinding roller, and the shaft head at the other end of the unwinding roller is arranged inside a circular hole of the movable clamping plate (46).

3. The method for manufacturing a glass fiber reinforced plastic transportation storage tank according to claim 1, wherein the method comprises the following steps: the fixing module (37) comprises a fixing sleeve (371), an execution cylinder (372), an auxiliary clamping head (373), a jacking column (374), a return spring (375) and a fixing clamping head (376); the fixing sleeve (371) is of a two-end type threaded connection structure, an execution cylinder (372) is symmetrically arranged inside the fixing sleeve (371), an auxiliary chuck (373) is installed at the top end of the execution cylinder (372), and balls are arranged on the outer wall of the auxiliary chuck (373) in a movable connection mode; the top stretch post (374) evenly set up on fixed sleeve (371) through the axis direction of swing joint mode around fixed sleeve (371), be located inside top stretch post (374) outer wall cover in fixed sleeve (371) and be equipped with reset spring (375), fixed sleeve (371) outside top stretch post (374) one end install fixed dop (376), be located inside top stretch post (374) one end of fixed sleeve (371) and be wedge structure and mutually support with supplementary dop (373).

4. The method for manufacturing a glass fiber reinforced plastic transportation storage tank according to claim 1, wherein the method comprises the following steps: overlap joint module (38) including overlap joint board (381), telescopic link (382) and spacing arc piece (383), overlap joint board (381) upper end be provided with circular through-hole, the lower extreme inner wall that is located its circular through-hole is provided with the ball through the swing joint mode, telescopic link (382) install the upper end inner wall at the circular through-hole of overlap joint board (381), spacing arc piece (383) is installed on the top of telescopic link (382), just the inner wall of spacing arc piece (383) be provided with the ball through the swing joint mode.

5. The method for manufacturing a glass fiber reinforced plastic transportation storage tank according to claim 1, wherein the method comprises the following steps: the auxiliary unit (2) comprises an auxiliary cylinder (21), an arc-shaped lap joint frame (22), an arc-shaped movable plate (23) and a supporting spring (24); the auxiliary cylinder (21) evenly set up on bottom plate (1), the top of auxiliary cylinder (21) is connected with arc overlap joint frame (22), the inner wall that is located arc overlap joint frame (22) is provided with arc fly leaf (23) through the swing joint mode, arc fly leaf (23) and arc overlap joint frame (22) between be connected through even supporting spring (24) that set up.

6. The method for manufacturing a glass fiber reinforced plastic transportation storage tank according to claim 3, wherein the method comprises the following steps: the outer wall of the fixed chuck (376) is provided with a rectangular groove.

7. The manufacturing method of the glass fiber reinforced plastic transportation storage tank as claimed in claim 5, wherein: the outer wall of the arc-shaped movable plate (23) is uniformly provided with balls in a movable connection mode.

Technical Field

The invention relates to the technical field of glass fiber reinforced plastic tank body processing, in particular to a manufacturing method of a glass fiber reinforced plastic transportation storage tank.

Background

The glass fiber reinforced plastic forming process is a jet winding forming process, and is an advanced glass fiber reinforced plastic forming process in the production process of storage tanks in China, and the 'liner spraying process' can be understood as a process for forming the liner of a glass fiber reinforced plastic winding container by using a spray gun jet technology. The lining is the lining of the glass fiber reinforced plastic winding container and structurally comprises an inner lining layer and a transition layer, and the lining layer mainly plays a role in corrosion prevention and seepage prevention.

The glass fiber reinforced plastic container structure consists of an anti-corrosion and anti-seepage lining layer, a reinforcing structure layer and an appearance anti-aging layer. Ensures that the material has good medium corrosion resistance and enough physical and mechanical properties to meet the containing requirements. The reinforcing layer is manufactured into a winding layer which can not have broken yarns so as to avoid influencing the strength of the product, the winding layer is compacted layer by layer, and after the manufacturing is finished, a far infrared baking plate is applied for heating and curing; however, the current winding layer mainly has the following problems in the process of winding the outer wall of the tank body:

a: the winding of the protective layers on the outer wall of the tank body is not uniform, so that gaps exist among the protective layers when the protective layers are wound, and the existing winding mode causes a serious fluffy phenomenon among the protective layers; the heat insulation performance of the tank body is influenced; b: the tank body has large mass, so that the prior fixing device is difficult to drive the tank body to synchronously rotate when fixing the tank body, and the slip condition is easy to occur in the rotating process of the tank body.

Therefore, in order to improve the winding uniformity of the protective layer on the outer wall of the tank body and ensure the processing quality of the tank body; the invention provides a manufacturing method of a glass fiber reinforced plastic transportation storage tank.

Disclosure of Invention

In order to achieve the purpose, the invention adopts the following technical scheme that a method for manufacturing a glass fiber reinforced plastic transportation storage tank comprises the following steps:

s1, hoisting the tank body: placing the tank body on the auxiliary unit through the hoisting equipment;

s2, fixing the tank body: lifting the tank body to a proper height through the auxiliary unit; then the tank body is fixed through the fixing unit in an inner supporting and fixing mode;

s3, rotating the tank body: the auxiliary unit is lowered to a suitable position; the fixed unit drives the tank body to rotate along the axis;

s4, winding a protective layer: one end of the protective layer on the winding unit is attached to the outer wall of the tank body; the winding layer is wound on the outer wall of the tank body in a self-rotating mode of the tank body, and the protective layer is uniformly wound on the outer wall of the tank body by the uniform movement of the winding unit in the winding process;

s5, tank body subsequent processing: after the protective layer is finished, carrying out subsequent processing treatment on the outer wall of the tank body manually;

the manufacturing of the glass fiber reinforced plastic transportation storage tank in the steps S1-S5 of the manufacturing method of the glass fiber reinforced plastic transportation storage tank is completed by matching the bottom plate, the auxiliary unit, the fixing unit and the winding unit; wherein:

the middle part of the upper end surface of the bottom plate is provided with an auxiliary unit, the upper end of the bottom plate is provided with a fixing unit, and a glass fiber reinforced plastic transportation storage tank to be processed is placed on the fixing unit; a winding unit is arranged at the rear side of the upper end face of the bottom plate in a sliding fit manner;

the fixing unit comprises an adjusting motor, an adjusting screw rod, a sliding side plate, an executing motor, a driving gear, a driven gear, a fixing module and a lapping module; the adjusting motor is installed on the bottom plate through a motor base, an output shaft of the adjusting motor is connected with a shaft head at one end of the adjusting screw rod through a coupler, a shaft head at the other end of the adjusting screw rod is installed on the bottom plate through a bearing, and the sliding side plate is installed on the bottom plate in a sliding fit mode and is connected with the adjusting screw rod in a thread fit mode; the upper end of the sliding side plate is provided with a fixed module through a bearing, the execution motor is arranged on the sliding side plate through a motor base, an output shaft of the execution motor is provided with a driving gear through a flange, and the driven gear is arranged on the outer wall of the fixed module and is meshed with the driving gear; the lap joint module is arranged on the bottom plate and matched with the fixing module.

The winding unit comprises an electric sliding block, a fixed plate, a limiting column, a limiting spring, a fixed clamping plate, a movable clamping plate, a unwinding roller, a clamping spring and a clamping block; the electric sliding block is arranged on the bottom plate in a sliding fit mode, the upper end of the electric sliding block is provided with the fixed plate, the inner wall of the left side of the upper end of the fixed plate is provided with a rectangular groove, a limiting column is arranged in the rectangular groove, and the outer wall of the limiting column is sleeved with a limiting spring; the movable clamping plate is arranged on the fixed plate in a sliding fit mode and is matched with the limiting column, a circular hole is formed in the movable clamping plate, clamping blocks are uniformly arranged on the inner wall of the circular hole in a movable connection mode, and the clamping blocks are connected with the inner wall of the movable clamping plate through clamping springs; the outer wall of the clamping block is provided with a ball; the fixed clamping plate is arranged on the fixed plate and corresponds to the movable clamping plate in position, the unwinding roller is arranged on the fixed clamping plate through a bearing, the shaft head at the other end of the unwinding roller is of a conical structure, the outer wall of the shaft head is uniformly provided with arc-shaped clamping grooves, and the shaft head at the other end of the unwinding roller is arranged inside a circular hole of the movable clamping plate; sleeving the protective layer on the unwinding roller, pulling one end of the protective layer out to be attached to the outer wall of the tank body during winding, and realizing the winding of the protective layer through the self-rotation of the tank body; and in order to guarantee the compact type of inoxidizing coating winding, carry out intermittent type through the chucking piece to unreeling the roller and unreel the rotation and then guaranteed the intensity of inoxidizing coating winding at jar external wall.

The fixing module comprises a fixing sleeve, an execution cylinder, an auxiliary chuck, a jacking column, a return spring and a fixing chuck; the fixed sleeve is of a two-end type threaded connection structure, the execution cylinders are symmetrically arranged inside the fixed sleeve, the top end of each execution cylinder is provided with an auxiliary chuck, and the outer wall of each auxiliary chuck is provided with a ball in a movable connection mode; the fixed sleeve is provided with a fixed sleeve, the top extending column is uniformly arranged on the fixed sleeve in a movable connection mode around the axis direction of the fixed sleeve, the outer wall of the top extending column positioned in the fixed sleeve is sleeved with a reset spring, one end of the top extending column outside the fixed sleeve is provided with a fixed chuck, and one end of the top extending column positioned in the fixed sleeve is of a wedge-shaped structure and is matched with an auxiliary chuck; when the fixed sleeve is sleeved in the tank body, the auxiliary chuck is pushed by the execution cylinder to drive the jacking column to move, so that the fixed chuck is clamped with the inner wall of the tank body; and then the fixed sleeve rotates to drive the tank body to rotate stably.

The lap joint module comprises a lap joint plate, a telescopic rod and a limiting arc block, wherein a circular through hole is formed in the upper end of the lap joint plate, a ball is arranged on the inner wall of the lower end of the circular through hole in a movable connection mode, the telescopic rod is installed on the inner wall of the upper end of the circular through hole of the lap joint plate, the limiting arc block is installed at the top end of the telescopic rod, and the ball is arranged on the inner wall of the limiting arc block in a movable connection mode; one end of the fixed sleeve is lapped on the inner wall of the circular through hole of the lapping plate to be contacted with the ball arranged on the inner wall of the circular through hole; thereby guaranteed fixed sleeve's rotation, and the inner wall that promotes spacing arc piece through the telescopic link carries out movable fixed having prevented that fixed sleeve from taking place to rock driving jar body pivoted in-process to the pivoted stability of the body has been promoted.

The auxiliary unit comprises an auxiliary cylinder, an arc-shaped lap joint frame, an arc-shaped movable plate and a supporting spring; the auxiliary cylinders are uniformly arranged on the bottom plate, the top ends of the auxiliary cylinders are connected with arc-shaped lap joint frames, arc-shaped movable plates are arranged on the inner walls of the arc-shaped lap joint frames in a movable connection mode, and the arc-shaped movable plates are connected with the arc-shaped lap joint frames through uniformly arranged supporting springs; the tank body is placed on the arc-shaped lap joint frame and lifted to a proper height under the action of the auxiliary cylinder, so that the tank body is conveniently fixed by the fixing unit; after the fixing, the auxiliary cylinder descends to enable the arc-shaped movable plate to be in contact with the outer wall of the tank body; the effect of the supporting spring is utilized to press the arc-shaped movable plate and the protective layer on the outer wall of the tank body in the process of winding the protective layer on the outer wall of the tank body, so that compaction of the protective layer is promoted.

Preferably; the outer wall of the fixed chuck is provided with a rectangular groove; the rectangular groove is formed in the outer wall of the fixing chuck, so that the friction force between the fixing chuck and the inner wall of the tank body is improved, and the fixing capacity of the tank body is further improved; the tank body is ensured not to slip in the rotating process.

Preferably; the outer wall of the arc-shaped movable plate is uniformly provided with balls in a movable connection mode; the rolling balls are uniformly arranged on the outer wall of the arc-shaped movable plate, so that the revolving capacity of the tank body is improved; the friction between the arc-shaped movable plate and the outer wall of the tank body is reduced.

The invention has the beneficial effects that:

when the protective layer is wound, one end of the protective layer is pulled out and attached to the outer wall of the tank body, and the protective layer is wound by the rotation of the tank body; in order to ensure the winding tightness of the protective layer, the unwinding roller is intermittently unwound and rotated through the clamping block, so that the strength of the protective layer wound on the outer wall of the tank body is ensured;

the tank body is placed on the arc-shaped lap joint frame and lifted to a proper height under the action of the auxiliary cylinder, so that the tank body is fixed by the fixing unit conveniently; after the fixing, the auxiliary cylinder descends to enable the arc-shaped movable plate to be in contact with the outer wall of the tank body; the arc-shaped movable plate is pressed against the protective layer on the outer wall of the tank body under the action of the supporting spring in the process of winding the protective layer on the outer wall of the tank body, so that the compaction of the protective layer is promoted;

thirdly, a shaft head at one end of the fixing sleeve is lapped on the inner wall of the circular through hole of the lapping plate and is contacted with the ball arranged on the inner wall of the circular through hole; thereby guaranteed fixed sleeve's rotation, and the inner wall that promotes spacing arc piece through the telescopic link carries out movable fixed having prevented that fixed sleeve from taking place to rock driving jar body pivoted in-process to the pivoted stability of the body has been promoted.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a flow chart of the manufacturing process of the glass fiber reinforced plastic transportation tank of the present invention;

FIG. 2 is a front view of the base plate, the auxiliary unit, the fixing unit and the winding unit according to the present invention;

FIG. 3 is a front sectional view in position between the base plate, the auxiliary unit, the fixing unit and the winding unit according to the present invention;

FIG. 4 is a right side view schematically showing the bottom plate, the auxiliary unit, the fixing unit and the winding unit according to the present invention;

FIG. 5 is a rear view of the base plate, the auxiliary unit, the fixing unit and the winding unit according to the present invention;

fig. 6 is a top view of the winding unit of the present invention.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further described below by combining with the specific drawings, and it is to be noted that the embodiments and the features in the embodiments can be combined with each other in the application without conflict.

As shown in fig. 1 to 6, a method for manufacturing a glass fiber reinforced plastic transportation storage tank specifically comprises the following steps:

s1, hoisting the tank body: placing the tank body on the auxiliary unit through the hoisting equipment;

s2, fixing the tank body: the tank body is lifted to a proper height by the auxiliary unit 2; then the tank body is fixed through the fixing unit 3 in an inner supporting and fixing mode;

s3, rotating the tank body: the auxiliary unit 2 is lowered to a suitable position; the tank body is driven to rotate along the axis by the fixing unit 3;

s4, winding a protective layer: one end of the protective layer on the winding unit 4 is attached to the outer wall of the tank body; the winding layer is wound on the outer wall of the tank body in a self-rotating mode of the tank body, and the protective layer is uniformly wound on the outer wall of the tank body by the uniform movement of the winding unit 4 in the winding process;

s5, tank body subsequent processing: after the protective layer is finished, carrying out subsequent processing treatment on the outer wall of the tank body manually;

the manufacturing of the glass fiber reinforced plastic transportation storage tank in the steps S1-S5 of the manufacturing method of the glass fiber reinforced plastic transportation storage tank is completed by matching the bottom plate 1, the auxiliary unit 2, the fixing unit 3 and the winding unit 4; wherein:

an auxiliary unit 2 is arranged in the middle of the upper end face of the bottom plate 1, a fixing unit 3 is arranged at the upper end of the bottom plate 1, and a glass fiber reinforced plastic transportation storage tank to be processed is placed on the fixing unit 3; a winding unit 4 is arranged at the rear side of the upper end surface of the bottom plate 1 in a sliding fit manner;

the auxiliary unit 2 comprises an auxiliary cylinder 21, an arc-shaped lap joint frame 22, an arc-shaped movable plate 23 and a supporting spring 24; the auxiliary cylinders 21 are uniformly arranged on the bottom plate 1, the top ends of the auxiliary cylinders 21 are connected with arc-shaped lapping frames 22, arc-shaped movable plates 23 are arranged on the inner walls of the arc-shaped lapping frames 22 in a movable connection mode, and the arc-shaped movable plates 23 are connected with the arc-shaped lapping frames 22 through uniformly arranged supporting springs 24; the outer wall of the arc-shaped movable plate 23 is uniformly provided with balls in a movable connection mode; the rolling balls are uniformly arranged on the outer wall of the arc-shaped movable plate 23, so that the revolving capacity of the tank body is improved; the friction force between the arc-shaped movable plate 23 and the outer wall of the tank body is reduced; the tank body is placed on the arc-shaped lap joint frame 22 and lifted to a proper height under the action of the auxiliary cylinder 21, so that the tank body is fixed by the fixing unit 3 conveniently; after the fixing, the auxiliary cylinder 21 descends to enable the arc-shaped movable plate 23 to be in collision contact with the outer wall of the tank body; the arc-shaped movable plate 23 is pressed against the protective layer of the outer wall of the tank body through the action of the supporting spring 24 in the process of winding the protective layer on the outer wall of the tank body, so that the compaction of the protective layer is promoted.

The fixing unit 3 comprises an adjusting motor 31, an adjusting screw 32, a sliding side plate 33, an actuating motor 34, a driving gear 35, a driven gear 36, a fixing module 37 and an overlapping module 38; the adjusting motor 31 is installed on the bottom plate 1 through a motor base, an output shaft of the adjusting motor 31 is connected with a shaft head at one end of the adjusting screw rod 32 through a coupler, a shaft head at the other end of the adjusting screw rod 32 is installed on the bottom plate 1 through a bearing, and the sliding side plate 33 is installed on the bottom plate 1 in a sliding fit mode and is connected with the adjusting screw rod 32 in a thread fit mode; the upper end of the sliding side plate 33 is provided with a fixed module 37 through a bearing, the actuating motor 34 is arranged on the sliding side plate 33 through a motor base, an output shaft of the actuating motor 34 is provided with a driving gear 35 through a flange, and the driven gear 36 is arranged on the outer wall of the fixed module 37 and is meshed with the driving gear 35; the overlapping module 38 is mounted on the base plate 1, and the overlapping module 38 is matched with the fixing module 37.

The fixing module 37 comprises a fixing sleeve 371, an actuating cylinder 372, an auxiliary chuck 373, a jacking column 374, a return spring 375 and a fixing chuck 376; the fixed sleeve 371 is a two-end type threaded connection structure, an execution cylinder 372 is symmetrically arranged inside the fixed sleeve 371, an auxiliary chuck 373 is mounted at the top end of the execution cylinder 372, and balls are arranged on the outer wall of the auxiliary chuck 373 in a movable connection mode; the top extending columns 374 are uniformly arranged on the fixed sleeve 371 in a movable connection mode around the axis direction of the fixed sleeve 371, a reset spring 375 is sleeved on the outer wall of the top extending column 374 positioned inside the fixed sleeve 371, a fixed clamping head 376 is installed at one end of the top extending column 374 outside the fixed sleeve 371, and a rectangular groove is formed in the outer wall of the fixed clamping head 376; the rectangular groove is formed in the outer wall of the fixing chuck 376, so that the friction force between the fixing chuck 376 and the inner wall of the tank body is improved, and the fixing capacity of the tank body is improved; the tank body is ensured not to slip in the rotating process; one end of a top extending column 374 positioned in the fixing sleeve 371 is in a wedge-shaped structure and is matched with the auxiliary chuck 373; when the fixing sleeve 371 is sleeved in the tank body, the auxiliary chuck 373 is pushed by the actuating cylinder 372 to drive the jacking column 374 to move, so that the fixing chuck 376 is clamped with the inner wall of the tank body; and then the tank body is driven to rotate stably through the rotation of the fixed sleeve 371.

The lapping module 38 comprises a lapping plate 381, a telescopic rod 382 and a limiting arc block 383, wherein a circular through hole is formed in the upper end of the lapping plate 381, a ball is arranged on the inner wall of the lower end of the circular through hole of the lapping plate 381 in a movable connection mode, the telescopic rod 382 is installed on the inner wall of the upper end of the circular through hole of the lapping plate 381, the limiting arc block 383 is installed at the top end of the telescopic rod 382, and the ball is arranged on the inner wall of the limiting arc block 383 in a movable connection mode; one end of the fixed sleeve 371 is lapped on the inner wall of the circular through hole of the lapping plate 381, and is contacted with the ball arranged on the inner wall; thereby guaranteed the rotation of fixed sleeve 371, and promoted spacing arc 383's inner wall and the upper end outer wall of fixed sleeve 371 through telescopic link 382 and carried out movable fixed and prevented that fixed sleeve 371 from taking place to rock in the rotatory in-process of the movable jar body to the pivoted stability of jar body has been promoted.

The winding unit 4 comprises an electric sliding block 41, a fixed plate 42, a limiting column 43, a limiting spring 44, a fixed clamping plate 45, a movable clamping plate 46, a unwinding roller 47, a clamping spring 48 and a clamping block 49; the electric sliding block 41 is arranged on the bottom plate 1 in a sliding fit mode, the upper end of the electric sliding block 41 is provided with the fixed plate 42, the inner wall of the left side of the upper end of the fixed plate 42 is provided with a rectangular groove, the limiting column 43 is arranged in the rectangular groove, and the outer wall of the limiting column 43 is sleeved with the limiting spring 44; the movable clamping plate 46 is arranged on the fixed plate 42 in a sliding fit mode and is matched with the limiting column 43, a circular hole is formed in the movable clamping plate 46, clamping blocks 49 are uniformly arranged on the inner wall of the circular hole in a movable connection mode, and the clamping blocks 49 are connected with the inner wall of the movable clamping plate 46 through clamping springs 48; the outer wall of the clamping block 49 is provided with a ball; the fixed clamping plate 45 is arranged on the fixed plate 42 and corresponds to the movable clamping plate 46 in position, the unwinding roller 47 is arranged on the fixed clamping plate 45 through a bearing, the shaft head at the other end of the unwinding roller 47 is of a conical structure, the outer wall of the unwinding roller is uniformly provided with arc clamping grooves, and the shaft head at the other end of the unwinding roller is arranged inside a circular hole of the movable clamping plate 46; when in winding, one end of the protective layer is pulled out and attached to the outer wall of the tank body, and the protective layer is wound by the self-rotation of the tank body; and in order to ensure the winding tightness of the protective layer, the unwinding roller 47 is intermittently unwound and rotated through the clamping block 49, so that the strength of the protective layer wound on the outer wall of the tank body is ensured.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.