CN218344560U

CN218344560U - Polyurethane filling production line of water heater inner bag

Info

Publication number: CN218344560U
Application number: CN202222725334.8U
Authority: CN
Inventors: 黄志平
Original assignee: Foshan Sangao Heat Preservation Water Tank Co ltd
Current assignee: Foshan Sangao Heat Preservation Water Tank Co ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-01-20
Anticipated expiration: 2032-10-17

Abstract

The utility model discloses a polyurethane filling production line of a water heater liner, which comprises a liner conveying mechanism, a foaming and filling device, a turnover device, an annular conveying belt and a plurality of conveying platforms; the turnover device comprises a connecting conveyer belt, a turnover support and a turnover structure, the connecting conveyer belt is connected to the discharge end of the longitudinal conveyer belt, and the turnover support is erected above the connecting conveyer belt; the turnover structure is assembled on the turnover support and is positioned above the connecting conveying belt. Polyurethane filling line has set up turning device for integral type water heater inner bag and split type water heater inner bag can all use polyurethane filling line carries out the filling, realizes the automation, greatly reduced production intensity of labour, reduce the human cost, in addition, this production line simple structure, the cost is very low, further saves manufacturing cost.

Description

Polyurethane filling production line of water heater inner container

Technical Field

The utility model relates to a water heater inner bag processingequipment field especially relates to a polyurethane filling line of water heater inner bag.

Background

In the production process of the inner container of the air energy water heater, in order to reduce the heat loss of the inner container and improve the heat insulation performance of a product, the common method at present is to perform polyurethane integral foaming heat insulation on the inner container of the air energy water heater. The existing water heater inner container has two filling modes according to different structures: one type is an integrated water heater liner, and can be directly filled from a filling opening above the water heater liner. The other type is a split type water heater inner container, because the inner container of the split type water heater inner container and the shell are turned over when being matched, the filling opening is positioned below, the filling opening is required to be placed upwards when filling is carried out, and the split type water heater inner container is turned over after foaming is finished. The existing production line only comprises filling equipment, the operation of turning the inner container usually needs manual operation, the labor intensity is high, the working efficiency is low, and the automatic production is difficult to realize.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a polyurethane filling line of water heater inner bag to it is low to solve foaming production line automation degree, unable inner bag operation and the problem that leads to intensity of labour big.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a polyurethane filling production line of a water heater liner, which comprises a liner conveying mechanism, a foaming and filling device, a turnover device, an annular conveying belt and a plurality of conveying platforms;

the inner container conveying mechanism comprises a longitudinal conveying belt and a first lateral conveying belt; the longitudinal conveyor belt is arranged on the left side of the annular conveyor belt, one end of the first lateral conveyor belt is connected with the longitudinal conveyor belt, and the other end of the first lateral conveyor belt is connected with the annular conveyor belt;

the conveying platform is assembled on the annular conveying belt in a sliding mode; the foaming and filling device is arranged on the right side of the annular conveying belt;

the turnover device comprises a connecting conveyer belt, a turnover support and a turnover structure, the connecting conveyer belt is connected to the discharge end of the longitudinal conveyer belt, and the turnover support is erected above the connecting conveyer belt; the turnover structure is assembled on the turnover support and is positioned above the connecting conveying belt.

In the polyurethane filling production line of the water heater inner container, the overturning structure comprises a connecting rod, a cross beam, a first overturning arm and a second overturning arm;

the upper end of the connecting rod is assembled on the overturning bracket, the lower end of the connecting rod is connected with the cross beam, and the bottom of the cross beam is provided with a sliding rail; the first overturning arm and the second overturning arm are arranged in a mirror image mode by taking the connecting rod as a symmetrical axis, sliding blocks are arranged at the tops of the first overturning arm and the second overturning arm, and the sliding blocks are assembled on the sliding rails in a sliding mode;

the first overturning arm and the second overturning arm are both provided with overturning components.

In the polyurethane filling production line of the water heater liner, the overturning assembly comprises a driving device, an overturning rack, a driving gear and a clamping piece;

the driving device is arranged on the outer side of the first turnover arm or the second turnover arm, and the turnover rack is arranged at the output end of the driving device; the driving gear is rotationally matched with the outer side of the first turnover arm or the second turnover arm and is meshed with the turnover rack; the clamping piece is arranged on the inner side of the first turnover arm or the second turnover arm; the clamping piece penetrates through the first turnover arm or the second turnover arm and is assembled with the driving gear.

In the polyurethane filling production line of the water heater inner container, the overturning assembly further comprises a lifting assembly, and the lifting assembly comprises a lifting motor, a lifting gear, a lifting rack, a guide rail and a guide block;

the lifting motor is arranged at the top of the overturning bracket, and the lifting gear is assembled at the output end of the lifting motor in a driving way; the lifting rack is arranged at the front end of the connecting rod, and the guide rails are arranged on the left side and the right side of the connecting rod;

the overturning bracket is provided with an avoidance hole, the upper end of the connecting rod penetrates through the avoidance hole, and the lifting rack is meshed with the lifting gear; the guide block set up in dodge the left and right sides in hole, guided way and guide block sliding assembly.

In the polyurethane filling production line of the water heater liner, the conveying platform comprises a conveying seat and an end cover pressing device; the bottom of the conveying seat is slidably assembled on the annular conveying belt;

the end cover pressing device comprises a first guide rod, a second guide rod, a connecting plate, an adjusting screw rod, an internal thread hand wheel, a sliding plate, a connecting frame, a pressing screw rod, a sliding guide rod and a pressing cover plate;

the first guide rod and the second guide rod are arranged at the top of the conveying seat side by side, one end of the connecting plate is connected with the top of the first guide rod, the other end of the connecting plate is connected with the top of the second guide rod, and the adjusting screw is in threaded fit with the middle of the connecting plate; the inner thread hand wheel is in threaded fit with the upper end of the adjusting screw rod and tightly abuts against the connecting plate;

the left end of the sliding plate is slidably assembled on the first guide rod, and the right end of the sliding plate is slidably assembled on the second guide rod; the compression screw is assembled in the middle of the sliding plate in a threaded manner, and the sliding guide rods are assembled on the left side and the right side of the compression screw in a sliding manner; the connecting frame is erected outside the compression screw and the sliding guide rod, and the lower end of the adjusting screw is connected to the top of the connecting frame; the lower ends of the compression screw and the sliding guide rod are connected with the gland plate.

In the polyurethane filling production line of water heater inner bag, inner bag conveying mechanism still includes second lateral conveyor, the structure of second lateral conveyor with the structure of first lateral conveyor is the same, second lateral conveyor set up in the rear side of first lateral conveyor, the one end of second lateral conveyor with vertical conveyer belt is connected, the other end of second lateral conveyor with annular transmission band is connected.

In the polyurethane filling production line of the water heater liner, the longitudinal conveyor belt comprises a first moving platform, a first reversing platform, a second moving platform, a second reversing platform and a third moving platform which are connected in sequence; one end of the first lateral conveyor belt is connected with the first reversing platform, and one end of the second lateral conveyor belt is connected with the second reversing platform; and the discharge end of the third mobile platform is connected with the feed end of the connecting conveyer belt.

In the polyurethane filling production line of water heater inner bag, still include the welding bench, the welding bench sets up in the rear side of second switching-over platform.

In the polyurethane filling production line of the water heater inner container, the foaming and filling device comprises a transverse fixing frame, a longitudinal fixing frame, a foaming injection platform and a plurality of filling guns;

the transverse fixing frame is arranged on the front side of the annular conveying belt, the longitudinal fixing frame is arranged on the right side of the annular conveying belt, and the right end of the transverse fixing frame is connected with the front end of the longitudinal fixing frame to form an L-shaped fixing frame; the top parts of the transverse fixing frame and the longitudinal fixing frame are both provided with rails, movable blocks are assembled on the rails in a sliding mode, the movable blocks are assembled and connected with the filling gun, and the feeding end of the filling gun is communicated with an external polyurethane tank; annotate the bubble platform and be L style of calligraphy, annotate the bubble platform set up in between L type mount and the annular transmission band.

The utility model provides a technical scheme can have following beneficial effect:

the polyurethane filling production line is provided with a turnover device, after polyurethane is filled, the split type water heater liner needs to be subjected to bottom cover packaging, and after the bottom cover packaging work is finished, the water heater liner can be turned over through the turnover device, so that the device can finish subsequent cleaning, packaging and other work in a using state; make integral type water heater inner bag and split type water heater inner bag all can use through setting up turning device the filling is carried out to polyurethane filling line, realizes automaticly, greatly reduced production intensity of labour, reduces the human cost, and in addition, this production line simple structure, the cost is very low, further saves manufacturing cost.

Drawings

FIG. 1 is a schematic structural diagram of one embodiment of the present invention;

fig. 2 is a schematic structural diagram of an inverted structure in one embodiment of the present invention;

fig. 3 is a schematic structural diagram of a lifting assembly according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a conveying platform according to one embodiment of the present invention;

fig. 5 is a partially enlarged view of a foaming and filling device according to an embodiment of the present invention;

in the drawings: the device comprises a foaming filling device 2, a turnover device 3, an annular conveying belt 4, a conveying platform 5 and a welding table 6;

a longitudinal conveyor belt 11, a first lateral conveyor belt 12, a second lateral conveyor belt 13; a transverse fixing frame 21, a longitudinal fixing frame 22, a foam injection platform 23 and a filling gun 24; connecting the conveyer belt 31, the overturning bracket 32 and the overturning structure 33; a conveyance base 51;

a first moving platform 111, a first reversing platform 112, a second moving platform 113, a second reversing platform 114 and a third moving platform 115; a track 221, a movable block 222; relief holes 321; a connecting rod 331, a cross beam 332, a first turnover arm 333, a second turnover arm 334 and a turnover assembly 335; the device comprises a first guide rod 521, a second guide rod 522, a connecting plate 523, an adjusting screw 524, an internal thread hand wheel 525, a sliding plate 526, a connecting frame 527, a pressing screw 528, a sliding guide rod 529 and a gland plate 520;

a slide rail 3321, a slider 3331; a driving device 3351, a turnover rack 3352, a driving gear 3353 and a clamping piece 3354; lifting motor 3355, lifting gear 3356, lifting rack 3357, guided way 3358, guide block 3359.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial.

In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Referring to fig. 1 to 5, the utility model provides a polyurethane filling production line of a water heater liner, which comprises a liner conveying mechanism, a foaming and filling device 2, a turnover device 3, an annular conveying belt 4 and a plurality of conveying platforms 5;

the liner conveying mechanism comprises a longitudinal conveying belt 11 and a first lateral conveying belt 12; the longitudinal conveyor belt 11 is arranged on the left side of the endless conveyor belt 4, one end of the first lateral conveyor belt 12 is connected with the longitudinal conveyor belt 11, and the other end of the first lateral conveyor belt 12 is connected with the endless conveyor belt 4;

the conveying platform 5 is slidably assembled on the endless conveyor belt 4; the foaming and filling device 2 is arranged on the right side of the endless conveyor belt 4;

the turnover device 3 comprises a connecting conveyer belt 31, a turnover bracket 32 and a turnover structure 33, the connecting conveyer belt 31 is connected with the discharge end of the longitudinal conveyer belt 11, and the turnover bracket 32 is erected above the connecting conveyer belt 31; the turning structure 33 is assembled on the turning bracket 32, and the turning structure 33 is located above the connecting conveyor belt 31.

The polyurethane filling production line is provided with the turnover device 3, after polyurethane is filled, the split type water heater liner needs to be subjected to bottom cover packaging, and after the bottom cover packaging work is finished, the water heater liner can be turned over through the turnover device 3, so that the device can finish subsequent cleaning, packaging and other work in a using state; make integral type water heater inner bag and split type water heater inner bag all can use through setting up turning device 3 the filling is carried out to polyurethane filling line, realizes automaticly, greatly reduced production intensity of labour, reduces the human cost, and in addition, this production line simple structure, the cost is very low, further saves manufacturing cost.

The inner container conveying mechanism is used for conveying the inner container of the water heater to the annular conveying belt 4, when polyurethane is filled, workers firstly put the inner container of the water heater into the feeding end of the longitudinal conveying belt 11 and then convey the inner container of the water heater to the conveying platform 5 through the first lateral conveying belt 12; the conveying platform 5 drives the water heater liner to move along the annular conveying belt 4; when the conveying platform 5 drives the water heater inner container to move to the position of the foaming and filling device 2, polyurethane filling is carried out on the water heater inner container through the foaming and filling device 2; after the polyurethane filling is finished, the conveying platform 5 continues to drive the water heater inner container to move, and after the water heater inner container moves for a circle around the annular conveying belt 4, the water heater inner container enters the longitudinal conveying belt 11 again through the first lateral conveying belt 12; the longitudinal conveyor belt 11 conveys the filled water heater liner to the connecting conveyor belt 31, and if the water heater liner is a split type water heater liner, the water heater liner is turned over through the turning structure 33. If the water heater inner container is an integrated water heater inner container, the water heater inner container is directly connected with the conveying belt 31 through connection. The turning support 32 is used for fixing the turning structure 33, and the turning structure 33 is used for turning the inner container of the water heater.

Specifically, the turning structure 33 comprises a connecting rod 331, a cross beam 332, a first turning arm 333 and a second turning arm 334;

the upper end of the connecting rod 331 is assembled on the turning support 32, the lower end of the connecting rod 331 is connected with the cross beam 332, and the bottom of the cross beam 332 is provided with a sliding rail 3321; the first turnover arm 333 and the second turnover arm 334 are arranged in a mirror image mode by taking the connecting rod 331 as a symmetry axis, sliding blocks 3331 are arranged at the tops of the first turnover arm 333 and the second turnover arm 334, and the sliding blocks 3331 are assembled on the sliding rails 3321 in a sliding mode;

the first and second flipping

arms

333, 334 are each provided with a flipping assembly 335.

Connecting rod 331 is connected with upset support 32, plays the effect of fixed flip structure 33, and first upset arm 333 and second upset arm 334 pass through slider 3331 and the slide rail 3321 sliding assembly of crossbeam 332 bottom, can adjust the distance between first upset arm 333 and the second upset arm 334 according to actual conditions, make polyurethane filling line can overturn different radial water heater inner bag, have strengthened polyurethane filling line's suitability.

In practical applications, the sliding block 3331 is provided with a screw hole, and the screw hole and the bolt can be assembled by using a bolt to tightly abut against the sliding rail 3321, so that the sliding block 3331 is fixed, and the first flipping arm 333 or the second flipping arm 334 is fixed.

The first turning arm 333 and the second turning arm 334 are arranged in an axisymmetric manner by taking the connecting rod 331 as an axis, one side of the first turning arm 333 and the second turning arm 334 opposite to each other is the inner side of the first turning arm 333 or the second turning arm 334, and the other side of the first turning arm 333 and the second turning arm 334 opposite to each other is the outer side of the first turning arm 333 or the second turning arm 334. The first turning arm 333 and the second turning arm 334 are identical in structure, and the turning assembly 335 on the first turning arm 333 and the second turning arm 334 are matched to realize the operation of turning the inner container of the water heater.

Specifically, the overturning assembly 335 comprises a driving device 3351, an overturning rack 3352, a driving gear 3353 and a clamping member 3354;

the driving device 3351 is arranged outside the first turnover arm 333 or the second turnover arm 334, and the turnover rack 3352 is arranged at the output end of the driving device 3351; the driving gear 3353 is rotatably matched at the outer side of the first turnover arm 333 or the second turnover arm 334, and the driving gear 3353 is meshed with the turnover rack 3352; the clamp 3354 is disposed inside the first flipping arm 333 or the second flipping arm 334; the clamp 3354 passes through the first flipping arm 333 or the second flipping arm 334 and is assembled with the driving gear 3353.

The driving device 3351 drives the turnover rack 3352 to move forwards or backwards through the extension or retraction of the driving end, so that the driving gear 3353 is driven to rotate forwards or backwards, and the driving gear 3353 drives the clamping piece 3354 to rotate. The inner container of the water heater is clamped by the matching of clamping pieces 3354 on the first turnover arm 333 and the second turnover arm 334; the driving devices 3351 on the first turnover arm 333 and the second turnover arm 334 synchronously drive the turnover rack 3352, so that the clamping pieces 3354 on the first turnover arm 333 and the second turnover arm 334 drive the rotation of the inner container of the water heater. By adopting the structure, the structure is compact, the operation is simple and convenient, the labor cost is greatly reduced, the transmission in the overturning process is stable, and the phenomena of collision and scratch on the outer surface of the inner container of the water heater are avoided.

Specifically, the overturning assembly 335 further comprises a lifting assembly, wherein the lifting assembly comprises a lifting motor 3355, a lifting gear 3356, a lifting rack 3357, a guide rail 3358 and a guide block 3359;

the lifting motor 3355 is arranged at the top of the turnover support 32, and the lifting gear 3356 is assembled at the output end of the lifting motor 3355 in a driving manner; the lifting rack 3357 is arranged at the front end of the connecting rod 331, and the guide rails 3358 are arranged at the left and right sides of the connecting rod 331;

the turning support 32 is provided with an avoiding hole 321, the upper end of the connecting rod 331 penetrates through the avoiding hole 321, and the lifting rack 3357 is meshed with the lifting gear 3356; the guide blocks 3359 are disposed at left and right sides of the escape hole 321, and the guide rails 3358 are slidably assembled with the guide blocks 3359.

The lifting motor 3355 can drive the lifting gear 3356 to rotate forwards or backwards through the output end, the lifting gear 3356 is meshed with the lifting rack 3357, and when the lifting gear 3356 rotates forwards, the connecting rod 331 is driven to move upwards, so that the cross beam 332, the first turnover arm 333 and the second turnover arm 334 are driven to move upwards. When the lifting gear 3356 rotates backward, the connecting rod 331 is driven to move downward, thereby driving the cross beam 332, the first flipping arm 333 and the second flipping arm 334 to move downward. The guide rail 3358 and the guide block 3359 are slidably assembled, and the movement of the connecting rod 331 in other directions is limited by the cooperation of the guide rail 3358 and the guide block 3359, so that the lifting process is more stable.

By adopting the structure, the structure is compact, the operation is simple and convenient, the transmission of the lifting process is stable, the adjustment can be carried out according to the height of the water heater liner, the adaptability of the polyurethane filling production line is enhanced, and the polyurethane filling production line can carry out polyurethane filling on the water heater liners with different sizes.

Specifically, the conveying platform 5 comprises a conveying seat 51 and an end cover pressing device; the bottom of the conveying seat 51 is slidably assembled on the endless conveying belt 4;

the end cover pressing device comprises a first guide rod 521, a second guide rod 522, a connecting plate 523, an adjusting screw 524, an internal thread hand wheel 525, a sliding plate 526, a connecting frame 527, a pressing screw 528, a sliding guide rod 529 and a cover pressing plate 520;

the first guide rod 521 and the second guide rod 522 are arranged at the top of the conveying seat 51 side by side, one end of the connecting plate 523 is connected with the top of the first guide rod 521, the other end of the connecting plate 523 is connected with the top of the second guide rod 522, and the adjusting screw 524 is in threaded fit with the middle of the connecting plate 523; the inner-thread hand wheel 525 is in threaded fit with the upper end of the adjusting screw 524 and is tightly abutted to the connecting plate 523;

the left end of the sliding plate 526 is slidably mounted on the first guide rod 521, and the right end of the sliding plate 526 is slidably mounted on the second guide rod 522; the compression screw 528 is threadedly mounted at the middle of the sliding plate 526, and the sliding guide rods 529 are slidably mounted at the left and right sides of the compression screw 528; the connecting frame 527 is erected outside the compression screw 528 and the sliding guide rod 529, and the lower end of the adjusting screw 524 is connected to the top of the connecting frame 527; the lower ends of the compression screw 528 and the sliding guide 529 are connected to the gland plate 520.

The end cover pressing device is used for fixing the inner container of the water heater, before filling, workers need to rotate the internal thread hand wheel 525 to enable the adjusting screw 524 to move downwards, so that the sliding plate 526 is driven to move downwards through the connecting frame 527; subsequently, the pressing screw 528 is rotated to press the cover plate 520 tightly on the top of the water heater liner, so as to press the water heater liner, and prevent the polyurethane from flowing out of the assembling gap of the water heater liner. After filling, the worker needs to rotate the pressing screw 528 to make the cover plate 520 far away from the top of the water heater liner; subsequently, the adjusting screw 524 is moved upwards by rotating the inner threaded hand wheel 525, so that the connecting frame 527 drives the sliding plate 526 to move upwards, and the inner container of the water heater can be removed.

By adopting the structure, the structure is compact, the operation is simple and convenient, and the gland plate 520 is close to the inner container of the water heater. The conveying seat 51 is assembled with the annular conveying belt 4 in a sliding mode, and the annular conveying belt 4 drives the water heater liner to move through the conveying seat 51. The first guide rod 521 and the second guide rod 522 play a role in guiding, so as to limit the movement of the connecting frame 527 and the sliding plate 526 in other directions, and the sliding guide rod 529 also plays a role in guiding, so as to limit the movement of the gland plate 520 in other directions, thereby preventing the gland plate 520 from being displaced to influence the compressing effect.

Further, the liner conveying mechanism further comprises a second lateral conveying belt 13, the structure of the second lateral conveying belt 13 is the same as that of the first lateral conveying belt 12, the second lateral conveying belt 13 is arranged on the rear side of the first lateral conveying belt 12, one end of the second lateral conveying belt 13 is connected with the longitudinal conveying belt 11, and the other end of the second lateral conveying belt 13 is connected with the endless conveying belt 4.

The second lateral conveyor belt 13 has the same structure as the first lateral conveyor belt 12, and by adding the second lateral conveyor belt 13, the water heater liner can enter the annular conveyor belt 4 at the first lateral conveyor belt 12 and leave the annular conveyor belt 4 at the second lateral conveyor belt 13, and the water heater liner can enter and leave the passage of the annular conveyor belt 4 through the separation of the water heater liner, so that the water heater liner can be simultaneously input into the annular conveyor belt 4 and removed from the annular conveyor belt 4, and the filling efficiency is effectively improved.

Furthermore, the longitudinal conveyor belt 11 comprises a first moving platform 111, a first reversing platform 112, a second moving platform 113, a second reversing platform 114 and a third moving platform 115 which are connected in sequence; one end of the first lateral conveyor belt 12 is connected to the first diverting platform 112, and one end of the second lateral conveyor belt 13 is connected to the second diverting platform 114; the discharge end of the third moving platform 115 is connected with the feed end of the connecting conveyer belt 31.

The first mobile platform 111 and the third mobile platform 115 function as a container for transporting the water heater; the first diverting platform 112 functions to move the heater liner to the first side conveyor 12 and the second diverting platform 114 functions to receive the heater liner on the second side conveyor 13. Two ends of the second moving platform 113 are respectively communicated with the first reversing platform 112 and the second reversing platform 114, when the first lateral conveyor belt 12 breaks down or is maintained, the water heater liner can be moved to the second reversing platform 114 through the second moving platform 113, and the purpose of conveying the water heater liner to the annular conveyor belt 4 is achieved through the second lateral conveyor belt 13.

Preferably, the polyurethane bottling line further comprises a welding station 6, said welding station 6 being arranged at the rear side of the second turnaround platform 114. Welding bench 6 is used for welding the water heater inner bag, and the staff can carry out weldment work to the water heater inner bag at welding bench 6, adopts above-mentioned mechanism, and after the filling was accomplished, can carry out the process of welding lower margin immediately, improves production efficiency.

Specifically, the foaming and filling device 2 comprises a transverse fixing frame 21, a longitudinal fixing frame 22, a foaming platform 23 and a plurality of filling guns 24;

the transverse fixing frame 21 is arranged on the front side of the annular conveying belt 4, the longitudinal fixing frame 22 is arranged on the right side of the annular conveying belt 4, and the right end of the transverse fixing frame 21 is connected with the front end of the longitudinal fixing frame 22 to form an L-shaped fixing frame; the top parts of the transverse fixing frame 21 and the longitudinal fixing frame 22 are both provided with a rail 221, a movable block 222 is assembled on the rail 221 in a sliding manner, the movable block 222 is assembled and connected with the filling gun 24, and the feeding end of the filling gun 24 is communicated with an external polyurethane tank; annotate bubble platform 23 is the L style of calligraphy, annotate bubble platform 23 set up in between L type mount and the annular transmission band 4.

The rail 221 is slidably assembled with a movable block 222, and the filling gun 24 is slidably assembled with the rail 221 on the transverse fixing frame 21 or the longitudinal fixing frame 22 through the movable block 222. The foam injection platform 23 is L-shaped, the shape and the length of the foam injection platform are matched with those of the L-shaped fixed frame, and a worker can stand on the foam injection platform 23 to perform filling operation or check the filling condition of polyurethane and can also adjust the position of the filling gun 24. Adopt above-mentioned structure, fill and annotate rifle 24 and can slide along track 221 to the position of filling rifle 24 is filled in the adjustment, and the staff can change the position of filling rifle 24 according to actual conditions, and the staff of being convenient for is to the polyurethane filling of water heater inner bag.

The technical principle of the present invention has been described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive efforts, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined in the appended claims.

Claims

1. A polyurethane filling production line of a water heater liner is characterized by comprising a liner conveying mechanism, a foaming and filling device, a turnover device, an annular conveying belt and a plurality of conveying platforms;

2. The polyurethane filling line of a water heater inner container according to claim 1, wherein the overturning structure comprises a connecting rod, a cross beam, a first overturning arm and a second overturning arm;

the upper end of the connecting rod is assembled on the overturning bracket, the lower end of the connecting rod is connected with the cross beam, and the bottom of the cross beam is provided with a sliding rail; the first overturning arm and the second overturning arm are arranged in a mirror image mode by taking the connecting rod as a symmetry axis, sliding blocks are arranged at the tops of the first overturning arm and the second overturning arm, and the sliding blocks are assembled on the sliding rails in a sliding mode;

3. The polyurethane filling line of a water heater inner container as recited in claim 2, wherein the turnover assembly comprises a driving device, a turnover rack, a driving gear and a clamping member;

the driving device is arranged on the outer side of the first turnover arm or the second turnover arm, and the turnover rack is arranged at the output end of the driving device; the driving gear is rotationally matched with the outer side of the first turnover arm or the second turnover arm and is meshed with the turnover rack; the clamping piece is arranged on the inner side of the first turnover arm or the second turnover arm; the clamping piece penetrates through the first overturning arm or the second overturning arm and is assembled with the driving gear.

4. The polyurethane filling line of a water heater inner container according to claim 2, wherein the overturning assembly further comprises a lifting assembly, and the lifting assembly comprises a lifting motor, a lifting gear, a lifting rack, a guide rail and a guide block;

the lifting motor is arranged at the top of the overturning bracket, and the lifting gear is assembled at the output end of the lifting motor in a driving manner; the lifting rack is arranged at the front end of the connecting rod, and the guide rails are arranged on the left side and the right side of the connecting rod;

5. The polyurethane filling line of a water heater inner container according to claim 1, wherein the conveying platform comprises a conveying seat and an end cover pressing device; the bottom of the conveying seat is slidably assembled on the annular conveying belt;

the end cover pressing device comprises a first guide rod, a second guide rod, a connecting plate, an adjusting screw rod, an internal thread hand wheel, a sliding plate, a connecting frame, a pressing screw rod, a sliding guide rod and a cover pressing plate;

the first guide rod and the second guide rod are arranged on the top of the conveying seat side by side, one end of the connecting plate is connected with the top of the first guide rod, the other end of the connecting plate is connected with the top of the second guide rod, and the adjusting screw threads are rotationally matched with the middle of the connecting plate; the inner thread hand wheel is in threaded fit with the upper end of the adjusting screw rod and tightly abuts against the connecting plate;

6. The polyurethane filling line of a water heater liner according to claim 1, wherein the liner conveying mechanism further includes a second lateral conveyor belt, the second lateral conveyor belt has a structure identical to that of the first lateral conveyor belt, the second lateral conveyor belt is disposed behind the first lateral conveyor belt, one end of the second lateral conveyor belt is connected to the longitudinal conveyor belt, and the other end of the second lateral conveyor belt is connected to the endless conveyor belt.

7. The polyurethane filling production line of the water heater liner according to claim 6, wherein the longitudinal conveyor belt comprises a first moving platform, a first reversing platform, a second moving platform, a second reversing platform and a third moving platform which are connected in sequence; one end of the first lateral conveyor belt is connected with the first reversing platform, and one end of the second lateral conveyor belt is connected with the second reversing platform; and the discharge end of the third mobile platform is connected with the feed end of the connecting conveyer belt.

8. The polyurethane bottling line for water heater liners according to claim 6, further comprising a welding station disposed at a rear side of the second reversing platform.

9. The polyurethane filling line of a water heater inner container according to claim 1, wherein the foaming and filling device comprises a transverse fixing frame, a longitudinal fixing frame, a foaming platform and a plurality of filling guns;