CN116001180A - A latex sheet production line - Google Patents

Abstract

The invention discloses a latex sheet production line, which belongs to the technical field of latex products. It includes a conveying device for conveying latex forward, including a conveying curtain, a power roller and a supporting roller for supporting the latex; material tube; thickness limiting device, including triangular curtain; cooking and vulcanizing device, including steam pipe and sulfur steaming box, latex forms latex sheet after passing through the sulfur steaming box; edge retaining device, including rolling motor, driving shaft, driven shaft and winding The stop belt on the driving shaft and the driven shaft, the stop belt is perpendicular to the conveying curtain and is used to prevent the latex from overflowing on the conveying curtain. The invention can automatically adjust the thickness of the latex layer, and the triangular curtain of the thickness limiting device can be rotated to facilitate the cleaning or cleaning of the curtain; the height of the retaining belt and the distance between the two retaining belts can be adjusted, which is suitable for the production of different widths and different Thick latex sheet; realize the automatic production of the entire production line, reduce labor, save costs and improve efficiency.

Description

A latex sheet production line

technical field

The invention belongs to the technical field of latex product production, and in particular relates to a latex sheet production line.

Background technique

At present, there are two mainstream latex production processes in the world: Dunlop process and Talalay process. Now most factories are inseparable from the Dunlop process. The basic process of Dunlop in the latex sheet production line is: 1) mixing and stirring foaming, 2) injection of glue, 3) cooking and vulcanization, 4) cooling, 5) cleaning, 6 ) dehydration, 7) drying, 8) punching, 9) cutting. Generally, a belt-type conveyor line is used, and each process is manually operated, which is time-consuming, labor-intensive, and low-efficiency. At the same time, the thickness and width of latex are not easy to shape during the cooking and vulcanization process, which affects the production quality of latex sheets.

Contents of the invention

Technical problem: In view of the above-mentioned problems in the prior art, the technical problem to be solved by the present invention is to provide a latex sheet production line to improve the production efficiency and production quality of latex sheets.

Technical solution: In order to solve the above-mentioned technical problems, the technical solution adopted in the present invention is as follows: a latex sheet production line, comprising:

The conveying device is used to convey the latex forward, including a conveying curtain for supporting the latex, a power roller and a supporting roller that drive the conveying curtain to move forward continuously;

A material spreading device, comprising a material spreading pipe, which is used for spraying latex on the conveying curtain;

The thickness limiting device includes a triangular curtain, and the triangular curtain is arranged above the conveying curtain for limiting the latex thickness on the conveying curtain;

The cooking vulcanization device comprises a steam pipeline arranged below the conveying curtain and a steaming sulfur box covering the above the conveying curtain to vulcanize the latex, and the latex forms a latex sheet after passing through the sulfur steaming box;

A side retaining device is provided on both sides of the conveying curtain, including a rolling motor, a driving shaft, a driven shaft, and a retaining belt wound on the driving shaft and the driven shaft, and the retaining belt is perpendicular to the conveying curtain It is used to stop the latex from overflowing on the conveying curtain.

Preferably, the edge retaining device further includes a strip plate, the driving shaft and the driven shaft are both arranged on the strip plate, and the edge retaining device also includes a left and right adjustment device that drives the strip plate to move left and right , the left and right adjustment device includes a left and right adjustment motor, a screw rod connected with the left and right adjustment motor, and a sliding table movably connected with the screw rod, and the sliding table is connected with the strip plate.

Preferably, the sliding table is connected with the strip plate through an up and down adjustment device, and the up and down adjustment device includes a bottom plate fixedly connected with the strip plate, a threaded rod connected with the bottom plate, and a threaded rod A screw-connected fixing base and a handwheel arranged at the top of the threaded rod, the fixing base is connected with the sliding table.

Preferably, the forward speed of the retaining belt is the same as that of the conveying curtain, and a meter counter is provided on the edge retaining device.

Preferably, the thickness limiting device further includes a height adjustment device that drives the triangular curtain to move up and down, and the height adjustment device includes a tension rod, a tension rod, a first connecting plate, a second connecting plate, a height rod, a To the box, the transmission rod and the height adjustment motor, the tension rod and the tension rod are used for tensioning the triangular shade, one end of the tension rod and one end of the tension rod are connected with the first connecting plate, The other end of the tension rod and the other end of the tension rod are connected to the second connecting plate, the height adjustment motor is connected to the transmission rod, and the reversing box is respectively connected to the two ends of the transmission rod. One is provided, wherein one reversing box is connected to the first connecting plate through a height bar, and the other reversing box is connected to the second connecting plate through a height bar.

Preferably, the thickness limiting device further includes a rotating mechanism for rotating the triangular shade, the rotating mechanism includes a rotating motor and a chain, and the tensioning roller includes a first tensioning roller and is connected with the first tensioning roller through a chain. The second tension rod connected with the tension rod, the rotating motor is connected with the first tension rod.

Preferably, the spreading device further includes a reciprocating mechanism, and the reciprocating mechanism includes a reciprocating motor, a first synchronous wheel connected with the reciprocating motor, a belt loop connected with the first synchronous wheel, and a belt loop connected with the belt loop The second synchronous pulley is connected, and the material spreading pipe is connected with the belt loop.

Preferably, the latex sheet production line also includes:

A foaming machine, connected to the spreading pipe for providing latex to the spreading pipe;

Cooling and cleaning box, used for cooling and cleaning the latex sheet vulcanized by the sulfur steaming box;

Dehydration drying box, used for drying the latex sheet coming out of the cooling and cleaning box;

A punching box for punching the dried latex sheet;

Cutter for cutting perforated latex sheets.

Beneficial effect: compared with the prior art, the present invention has the following advantages:

1. By setting a thickness limiting device and a height adjustment device on the thickness limiting device, the thickness of the latex layer can be automatically adjusted to meet the production needs of latex sheets with different thicknesses. The triangular curtain of the thickness limiting device can be rotated, which is convenient Curtain cleaning or cleaning;

2. Install a side retaining device on the conveying curtain, which runs through the entire cooking and vulcanizing device. During the cooking and vulcanizing process of the latex layer, the width of the latex layer is limited. The forward speed of the retaining belt is the same as that of the conveying curtain to ensure that the latex layer Not torn, improving the quality of latex sheet products, the height of the stop belt and the distance between the two stop belts can be adjusted, suitable for the production of latex sheets of different widths and thicknesses;

3. Each process of the production line can be operated independently, or the entire line can be operated in conjunction to realize the automatic production of the entire production line, reduce labor, save costs and improve efficiency.

Description of drawings

Fig. 1 is the structural representation of production line of the present invention;

Fig. 2 is a structural schematic diagram of a spreading device, a thickness limiting device and a cooking vulcanization device of the present invention;

Figure 3 is an enlarged view of part of the area in Figure 2;

Figure 4 is an enlarged view of A in Figure 3;

Fig. 5 is an enlarged view of place B in Fig. 3;

Fig. 6 is a structural schematic diagram of the height adjustment device;

Fig. 7 is a structural schematic diagram of a retaining device;

Fig. 8 is an enlarged view of a part of Fig. 7;

Fig. 9 is a structural schematic diagram of another angle of the edge retaining device;

Figure 10 is an enlarged view of part of the area in Figure 9;

Fig. 11 is a structural schematic diagram of the meter counter.

Detailed ways

Below in conjunction with specific examples, further illustrate the present invention, the examples are implemented under the premise of the technical solutions of the present invention, it should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in Figure 1, a latex sheet production line, the production line adopts the Dunlop process: 1. Mixing and stirring, 2. Glue injection, 3. Cooking and vulcanization, 4. Cooling, 5. Cleaning, 6. Dehydration, 7. Drying, 8, punching, 9, cutting. The mixed and stirred foamed latex is discharged from the foaming machine 91, and the latex is sprinkled on the conveying curtain 11 of the conveying device through the spreading pipe 21 of the spreading device, and the conveying device adopts the existing mesh belt conveyor to continuously convey For latex, the conveying device includes a conveying curtain 11, a power roller 12, a support roller 13 and a driven roller 14. The conveying curtain 11 is used to support the latex and drive the latex forward, and the power roller 12 is connected to a power motor to provide forward power , the driven roller 14 and the power roller 12 are located on the same horizontal plane and are located at the front end of the inner circle of the conveying curtain 11, the driven roller 14 follows the conveying curtain 11 to rotate, and the work of the conveying curtain 11 is between the conveying curtain 11 and the power roller 12. In the region, two idler rollers 13 are provided for tensioning the conveying curtain 11 .

A thickness limiting device is provided in front of the material spreading pipe 21, and the thickness limiting device includes a triangular curtain 31. The triangular curtain 31 is arranged above the conveying curtain 11 and has a certain distance from the conveying curtain 11. After the latex passes through the triangular curtain 31, the thickness is limited, thereby forming a latex layer 8.

The latex layer 8 continues to move forward on the conveying curtain 11 and enters the cooking and vulcanizing device. The cooking and vulcanizing device comprises a steam pipeline 41 and a sulfur steaming tank 42. The steam pipeline 41 is arranged under the conveying curtain 11 to cook the latex on the conveying curtain 11 top. The sulfur tank 42 is shrouded above the conveying curtain 11. The sulfur steam tank 42 is continuously heated by the steam pipe 41, and the temperature is 110-120°C. There is a vulcanization fan 421 in the sulfur steam tank 42 to blow air through the fan pipe, and there are multiple rows of air outlets on the fan pipe. The small holes are blown and heated against the latex layer 8 in the transmission process on the conveying curtain 11, so as to realize the cooking and vulcanization of the latex layer 8. The length of the conveying curtain 11 is relatively long, and the cooking and vulcanizing time is about 15 minutes. Latex sheet 81 is formed after box 42 .

The conveying device is also provided with a sidewall device, and one sidewall device is respectively arranged on both sides of the conveying curtain 11, including a driving shaft 51, a driven shaft 52 and a retaining belt 53, the driving shaft 51 is arranged at the front end, and the driven shaft 52 is arranged at the rear end , the retaining belt 53 is wound on the driving shaft 51 and the driven shaft 52, and the retaining belt 53 is arranged perpendicular to the conveying curtain 11 to prevent the latex on the conveying curtain 11 from overflowing from both sides. Driven by the driving shaft 51, the retaining belt 53 moves forward Speed is identical with conveying curtain 11 forward speeds, guarantees that latex layer 8 is shaped intact in steaming sulfur box 42, is not torn, guarantees sheet material product quality.

Come out of the sulfur steaming tank 42 and enter the cooling and cleaning tank 92. There is circulating water in the cooling and cleaning tank 92. After continuous immersion and washing and cooling of the circulating water, it enters the dehydration drying tank 93. There are multiple sets of pressure rollers in the dehydration drying tank 93. 96 and drying fan 931, the latex sheet 81 is dehydrated by the pressure roller 96, and at the same time, the latex sheet 81 is dried by the continuous hot air of the drying fan 931, and then enters the punching box 94, which is mainly equipped with a punching die on the press, and the punching die includes Upper die 941 and lower die 942, upper die 941 is provided with many punching nails, the nail hole that lower die 942 corresponding position is provided with, latex sheet 81 is in the middle of upper and lower die, thereby can be processed into required on latex sheet 81 The nail hole size and nail hole pattern should be made according to the customer's requirements. After coming out of the punching box 94, it enters the cutting area and uses the cutter 95 to cut the latex sheet 81 clamped by the pressure roller. According to the latex Sheet 81 specifications are cut to a certain length, and then packaged and put into storage.

As shown in Fig. 2, Fig. 3, Fig. 8 and Fig. 9, the material spreading device also includes a reciprocating mechanism, which is used to drive the material spreading pipe 21 to move back and forth on the conveying curtain 11 to spread material evenly, and the reciprocating mechanism includes a reciprocating motor 221, a A synchronous wheel 222, a second synchronous wheel 224 and a belt loop 223, the belt loop 223 is sleeved on the first synchronous wheel 222 and the second synchronous wheel 224, the second synchronous wheel 224 is connected with the first synchronous wheel 222 through the belt loop 223 , the first synchronous wheel 222 is connected with the reciprocating motor 221, the belt ring 223 rotates back and forth under the drive of the reciprocating motor 221, the material spreading pipe 21 is connected with the belt ring 223 through the material spreading slide 211, and is driven back and forth by the belt ring 223 Move, thereby spreading latex evenly on the conveying curtain 11, the conveying device is provided with a first beam frame 18, the first beam frame 18 spans the conveying curtain 11, and the reciprocating mechanism is arranged on the first beam frame 18. Spreading material tube 21 conveys the curtain 11 again in order to prevent latex from overflowing from conveying curtain 11 both sides after spreading on the conveying curtain 11, also is provided with baffle plate 23 on both sides, can stop latex.

As shown in Figure 3, Figure 4, Figure 5 and Figure 6, the thickness limiting device also includes a height adjustment device, which is used to drive the triangular curtain 31 to move up and down, and the height adjustment device includes a tension rod, a tension rod 322, a One connecting plate 323, the second connecting plate 324, height bar 328, reversing box 325, transmission bar 326 and height adjustment motor 327, tension rod and tension bar 322 pass in the circle that triangle curtain 31 surrounds for Tensioning of the cord of the triangular shade 31, the tensioning rod comprises a first tensioning rod 3211 and a second tensioning rod 3212, one end of the tensioning rod and one end of the tensioning rod 322 are connected with the first connecting plate 323, and the tensioning rod's The other end and the other end of the tensioning rod 322 are connected with the second connecting plate 324, and the two height rods 328 are movably connected with the two connecting plates through threaded connections respectively, and the first connecting plate 323 is connected with a reversing The box 325 is movably connected, the second connecting plate 324 is movably connected with another reversing box 325 through another height bar 328, the height adjustment motor 327 drives the transmission rod 326 to rotate, and the two reversing boxes 325 are arranged at both ends of the transmission rod 326 , there are two bevel gears 3251 in the reversing box 325, one bevel gear 3251 is set on the transmission rod 326, the other bevel gear 3251 is set on the top of the height rod 328, the angle between the two bevel gears 3251 is 90°, and the transmission rod The rotation of 326 drives the height rod 328 to rotate automatically, because the height rod 328 is threadedly connected with the two connecting plates, thereby driving the two connecting plates to rise or fall, thereby the first connecting plate 323 and the second connecting plate can be driven by the height adjustment motor 327 The plates 324 rise or fall together, thereby driving the tension rod and the tension rod 322 to move up and down, thereby adjusting the height of the triangular shade 31 .

As shown in Figure 3, Figure 4 and Figure 5, the thickness limiting device also includes a rotating mechanism 33, the rotating mechanism 33 is used to rotate the triangular curtain 31, to achieve the purpose of cleaning or cleaning the triangular curtain, the rotating mechanism 33 includes a rotating motor 331 and a chain 332, the second tensioning roller 3212 is connected to the first tensioning roller 3211 through the chain 332, and the rotating motor 331 is connected to the first tensioning roller 3211. Since the triangular shade 31 is a coil formed by cord fabric, it is driven by the rotating motor 331 The lower first tensioning rod 3211 drives the triangular shade 31 cord to rotate, which is convenient to drive the latex material at the lower end of the cord to the upper end to clean the material and facilitates cleaning of the cord.

As shown in Fig. 2, Fig. 7, Fig. 8, Fig. 9 and Fig. 10, the edge retaining device also includes a rolling motor 50 and a strip plate 54, and the strip plate 54 adopts I-shaped glass fiber reinforced plastics along the latex on the conveyor curtain 11 limit. The forward direction of the layer 8 is set, the scrolling motor 50 is connected with the drive shaft 51 to drive the drive shaft 51 to rotate, the drive shaft 51 and the driven shaft 52 are all arranged on the strip plate 54, and the stop belt 53 is outside the strip plate 54, The edge retaining device also includes a left and right adjustment device that drives the strip plate 54 to move left and right. There are two left and right adjustment devices. Above the front end, the left and right adjustment devices are respectively provided with one on the first beam frame 18 and the second beam frame 19, so that the two ends of the strip plate 54 drive the strip plate 54 to move left and right, ensuring that the two ends of the strip plate 54 can be synchronized Move left and right; the left and right adjustment device adopts a single-axis slide table, including a left and right adjustment motor 551, a screw rod 552 and a sliding table 553, and the left and right adjustment motor 551 drives the screw rod 552, so that the sliding table 553 can slide left and right, driving the strip plate 54 left and right slide.

As shown in Fig. 7, Fig. 8 and Fig. 9, the slide table 553 is connected with the strip plate 54 through the up and down adjusting device, and the up and down adjusting device includes a bottom plate 561, a threaded rod 562, a fixing seat 563 and a hand wheel 564, and the bottom plate 561 and the bar shape The plate 54 is fixedly connected, the lower end of the threaded rod 562 is connected with the bottom plate 561, the fixed seat 563 is fixedly connected with the sliding table 553, the threaded rod 562 runs through the fixed seat 563, the hand wheel 564 is provided with a screw hole corresponding to the threaded rod 562, and the hand wheel is turned 564 can drive the threaded rod 562 to move up and down relative to the fixed seat 563, thereby driving the bottom plate 561 and the strip plate 54 connected to the bottom plate 561 to move up and down, and the bottom plate 561 is also symmetrically provided with guide rods on both sides of the threaded rod 562 to prevent the bottom plate from 561 offset, two up and down adjustment devices can fine-tune the height of the strip plate 54 at both ends of the strip plate 54, thereby adjusting the distance between the retaining belt 53 and the conveying curtain 11, so that the retaining belt 53 can adapt to latex layers 8 of different heights .

As shown in Figure 11, the edge retaining device is provided with a meter counter 57, and the meter counter 57 adopts an existing wheeled meter counter, and its rollers are attached to the retaining belt 53. The forward speed is the same, so the production length of the latex sheet can be recorded by the stop belt 53 .

The above are only preferred embodiments of the present invention, and it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications should also be regarded as protection scope of the present invention.

Claims (8)

1. A latex sheet material production line, is characterized in that, comprises: Conveying device is used to convey latex forward, including the conveying curtain (11) for supporting latex, driving the power roller (12) and idler roller (13) that drives described conveying curtain (11) to constantly move forward; The material spreading device comprises a material spreading pipe (21), and the material spreading pipe (21) is used for spraying latex on the conveying curtain (11); The thickness limiting device comprises a triangular curtain (31), and the triangular curtain (31) is arranged above the conveying curtain (11) for limiting the latex thickness on the conveying curtain (11); The cooking vulcanization device comprises a steam pipeline (41) arranged below the conveying curtain (11) and a sulfur steaming box (42) covering the latex above the conveying curtain (11) to vulcanize the latex. Form latex sheet behind the case (42); The edge retaining device is provided with one on both sides of the conveying curtain (11), including a rolling motor (50), a driving shaft (51), a driven shaft (52) and a coil wound on the driving shaft (51) and the driven shaft. (52) on the retaining belt (53), the retaining belt (53) is perpendicular to the conveying curtain (11) and is used to block the latex on the conveying curtain (11) from overflowing. 2. latex sheet material production line according to claim 1, is characterized in that, described side retaining device also comprises bar plate (54), and described driving shaft (51) and driven shaft (52) are all arranged on described On the strip plate (54), the side retaining device also includes a left and right adjustment device that drives the strip plate (54) to move left and right, and the left and right adjustment device includes a left and right adjustment motor (551), and the left and right adjustment motor (551) the screw rod (552) connected and the sliding table (553) movably connected with the screw rod (552), and the sliding table (553) is connected with the strip plate (54). 3. latex sheet material production line according to claim 2, is characterized in that, described slide table (553) is connected with described strip plate (54) by up and down adjusting device, and described up and down adjusting device comprises and described bar The bottom plate (561) fixedly connected with the shape plate (54), the threaded rod (562) connected with the said bottom plate (561), the fixing base (563) threaded with the said threaded rod (562) and the threaded The hand wheel (564) at the top of the rod (562), and the fixed base (563) is connected with the sliding table (553). 4. latex sheet material production line according to claim 2, is characterized in that, described retaining belt (53) forward speed is identical with described delivery curtain (11) forward speed, and described edge retaining device is provided with meter Riceware (57). 5. latex sheet material production line according to claim 1, is characterized in that, described thickness limiting device also comprises the height adjusting device that drives described triangular curtain (31) to move up and down, and described height adjusting device comprises tension rod ( 321), tension rod (322), first connecting plate (323), second connecting plate (324), height rod (328), reversing box (325), transmission rod (326) and height adjustment motor (327 ), the tension rod (321) and the tension rod (322) are used to tension the triangular shade (31), and one end of the tension rod (321) and one end of the tension rod (322) are connected with the tension rod (322) The first connection plate (323) is connected, the other end of the tension rod (321) and the other end of the tension rod (322) are connected with the second connection plate (324), and the height adjustment motor (327 ) is connected with the transmission rod (326), and the reversing box (325) is respectively provided with one at the two ends of the transmission rod (326), and one of the reversing boxes (325) is connected with the height rod (328) The first connecting plate (323) is connected, and the other reversing box (325) is connected with the second connecting plate (324) through a height bar (328). 6. latex sheet material production line according to claim 5, is characterized in that, described thickness limiting device also comprises the rotating mechanism (33) that is used to rotate described triangular curtain (31), and described rotating mechanism (33) comprises Rotate motor (331) and chain (332), described tension roller (321) comprises first tension roller (3211) and the second sheet that is connected with described first tension roller (3211) by chain (332) A tightening rod (3212), the rotating motor (331) is connected with the first tensioning rod (3211). 7. latex sheet material production line according to claim 1, is characterized in that, described spreading device also comprises reciprocating mechanism, and described reciprocating mechanism comprises reciprocating motor (221), the 1st that is connected with described reciprocating motor (221). A synchronous wheel (222), a belt loop (223) connected with the first synchronous wheel (222) and a second synchronous wheel (224) connected with the belt loop (223), the spreading pipe (21 ) is connected with the belt loop (223). 8. latex sheet material production line according to claim 1, is characterized in that, described latex sheet material production line also comprises: A foaming machine (91), connected to the spreading pipe (21) for providing latex to the spreading pipe (21); Cooling and cleaning box (92), used for cooling and cleaning the latex sheet after the sulfurization box (42) vulcanized; Dehydration drying box (93), for drying the latex sheet that described cooling cleaning box (92) comes out; Punching box (94), is used for punching the latex sheet after drying; Cutter (95), is used for cutting the latex sheet after punching.

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