CN220576808U - Hot-pressing compounding machine for producing multilayer compound non-woven cloth - Google Patents

Abstract

The utility model discloses a hot-pressing compounding machine for producing multilayer compound weftless fabric, which comprises a frame, an upper die, a lower die, an electric heating wire, clamping jaws, clamping plates and a die temperature machine for heating an upper die and a lower die; the upper die is positioned above the lower die, the lower die is positioned and fixed on the frame, and the upper die is arranged on the frame in a lifting manner; the heating wire is positioned between the lower die and the clamping plate and is arranged on the frame in a lifting manner; the splint include first splint and second splint, and first splint is located the top of second splint, and the second splint is fixed in the frame, and first splint is installed in the frame with the liftable mode. So set up, when the no latitude cloth is decided, no latitude cloth both sides all are fixed to melt the fibre of no latitude cloth and the film on the no latitude cloth through the heating wire, guaranteed the parallel and level of no latitude cloth terminal surface, avoid no latitude cloth to divide the silk, further improve quality and production efficiency of compound no latitude cloth.

Description

Hot-pressing compounding machine for producing multilayer compound non-woven cloth

Technical Field

The utility model relates to the field of hot-pressing compounding machines, in particular to a hot-pressing compounding machine for producing multilayer composite non-woven cloth.

Background

With the development of technology, the non-woven cloth (also called UD cloth) made of high-performance fibers such as carbon fibers, aramid fibers, high-strength high-modulus polyethylene fibers and the like is widely applied to the fields of bulletproof, stab-proof, explosion-proof and other safety protection. The existing composite laid cloth in the market generally adopts semi-mechanized production, has large manual operation proportion, is difficult to realize automatic continuous production, is difficult to ensure the stability and consistency of materials, has general quality level of the overall materials and large individual difference, and leads to low stability of products.

The patent document with the publication number of CN206297237U discloses a compound cloth production line device of cross-laying, which comprises a hot-pressing platform, the hot-pressing platform is used for hot-pressing two layers of non-weft thin cloth which are mutually overlapped in the vertical direction and are intersected, one layer of non-weft thin cloth is fed from the hot-pressing platform B side to the device by B, the production line device is also provided with A to the device, the A to the device is arranged at the hot-pressing platform A side in a certain angle with the feeding direction of the B to the device, the B to the device comprises a B side cloth placing unit arranged at the hot-pressing platform B side, a traction roller and a winding unit which are sequentially arranged at the opposite side of the hot-pressing platform B side, the A to the device comprises an A side cloth placing unit arranged at the hot-pressing platform A side and a non-weft Bao Bula cloth device arranged at the upper side of the hot-pressing platform, and a transverse cutting knife is arranged between the A side cloth placing unit and the hot-pressing platform.

In the prior art, as the non-woven cloth is formed by bonding a plurality of fibers in the same direction through resin, the resin is cured and has certain rigidity, the transverse cutters are used for cutting the cured resin in the prior art, and the two sides of the cutters are not fixed, so that the non-woven cloth is easy to tension in the cutting process, the cutting position on the non-woven cloth is difficult to fix, the non-woven cloth cured together is extremely easy to break, the non-woven cloth is further divided into a plurality of pieces, the fibers of the non-woven cloth laid on the upper layer are not uniformly distributed any more, the surface density of the multi-layer non-woven cloth at each position is further influenced, and the quality of a finished product is reduced.

Disclosure of Invention

The utility model aims to solve the problem that the non-woven fabric is easy to crack in the cutting process in the prior art, and provides a hot-pressing compound machine for producing multi-layer composite non-woven fabric.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: a hot-pressing compounding machine for producing multilayer compound weftless fabric comprises a frame, an upper die, a lower die, an electric heating wire, clamping jaws, clamping plates and a die temperature machine for supplying heat to the upper die and the lower die; the upper die is positioned above the lower die, the lower die is positioned and fixed on the frame, and the upper die is arranged on the frame in a lifting manner; the electric heating wire is transversely arranged on the side surface of the lower die, is arranged on the frame in a lifting manner and is positioned between the lower die and the clamping plate; the clamping plate comprises a first clamping plate and a second clamping plate, the first clamping plate is positioned above the second clamping plate, the second clamping plate is fixed on the frame, and the first clamping plate is installed on the frame in a lifting manner; the clamping jaw is provided with two clamping jaws, the two clamping jaws are arranged left and right, the clamping jaws are slidably mounted on the frame, the clamping jaws are located above the lower die, a driving piece for driving the clamping jaws is further mounted on the frame, and the clamping jaws can clamp the weft-free cloth extending from the position between the first clamping plate and the second clamping plate from the upper portion of the heating wire.

Preferably, two sliding rails are fixedly installed on the frame, the two sliding rails are respectively arranged on two sides of the lower die, the two sliding rails are located above the lower die, and the two clamping jaws are respectively and slidably installed on the two sliding rails.

Preferably, the two sliding rails are provided with sliding blocks in a sliding manner, and the two clamping jaws are respectively arranged on the two sliding blocks; the driving piece comprises a first motor arranged on the frame, a screw rod is rotatably arranged on the frame, the screw rod is in threaded connection with the sliding block, and the first motor is in transmission connection with the screw rod.

Preferably, the two sliders are fixedly connected through a cross bar, and the two clamping jaws are both mounted on the cross bar.

Preferably, the cross rod is sleeved with two mounting seats, the mounting seats are connected with fasteners in a threaded manner, and the fasteners can penetrate through the mounting seats to be abutted against the cross rod; the two clamping jaws are respectively arranged on the two mounting seats.

Preferably, the upper surface of the second clamping plate is located above the lower die.

Preferably, a second air cylinder is arranged on the frame, and the telescopic end of the second air cylinder is connected with the first clamping plate.

Preferably, the rack is provided with a mounting plate in a sliding manner, the mounting plate is provided with two connecting seats, and two ends of the heating wire are fixed on the two connecting seats; a first air cylinder is arranged on the frame, and the telescopic end of the first air cylinder is connected with the mounting plate.

Preferably, the connecting seat is connected with the mounting plate in a plug-in manner, and a spring is further arranged between the connecting seat and the mounting plate.

Preferably, kraft paper is coated on both the upper and lower dies.

The technical scheme of the utility model has the beneficial effects that: before the non-woven cloth is cut, the first clamping plate and the second clamping plate can fix the end part of the non-woven cloth, so that the clamping jaw can grasp the non-woven cloth at a designated position; when the non-woven cloth is cut, both sides of the non-woven cloth are fixed, and the fibers of the non-woven cloth and the film on the non-woven cloth are fused through the electric heating wire, so that the end face of the non-woven cloth is flush, and the non-woven cloth is prevented from being split; the hot pressing compounding machine integrates multiple functions such as hot pressing, cutting, automatic feeding and the like, is simple in structure and complete in function, can effectively improve the positioning accuracy of each component by taking a lower die as the center, reduces the control difficulty of the machine, and further improves the quality and the production efficiency of the composite laid fabric.

Drawings

FIG. 1 is a schematic diagram of a hot press compounding machine;

FIG. 2 is a schematic diagram of a hot press compounding machine;

fig. 3 is a schematic diagram of a hot press compounding machine.

Reference numerals: 41. A clamping jaw; 411. a mounting base; 412. a cross bar; 413. a slide block; 414. a slide rail; 415. a screw rod; 416. a first motor; 42. a lower die; 43. an upper die; 431. a third cylinder; 44. heating wires; 441. a mounting plate; 442. a connecting seat; 443. a spring; 444. a first cylinder; 45. a second clamping plate; 451. a second cylinder; 46. a first clamping plate; 461. a limit column; 47. a frame; 471. a guide post; 472. a top frame; 473. guide sleeve; 474. and (5) feeding the die carrier.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more, unless otherwise clearly defined.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the following embodiment, the position of the upper die is taken as an upper die, the position of the lower die is taken as a lower die, and the position of the clamping plate is taken as a front die.

Examples

A hot press compounding machine for multilayer composite laid cloth production as illustrated in fig. 1 and 2, comprising a frame 47, an upper die 43, a lower die 42, heating wires 44, clamping jaws 41, clamping plates, and heaters for supplying heat to the upper die 43 and the lower die 42;

the upper die 43 is positioned above the lower die 42, the lower die 42 is positioned and fixed on the frame 47, and the upper die 43 is installed on the frame 47 in a lifting manner; the heating wire 44 is transversely arranged on the side surface of the lower die 42, and the heating wire 44 is arranged on the frame 47 in a lifting manner; the clamping plates comprise a first clamping plate 46 and a second clamping plate 45, the first clamping plate 46 is positioned above the second clamping plate 45, the second clamping plate 45 is fixed on the frame 47, and the first clamping plate 46 is arranged on the frame 47 in a lifting manner; the clamping jaw 41 has two, and two clamping jaw 41 set up about, clamping jaw 41 slidable mounting is on frame 47, and clamping jaw 41 is located the lower mould 42 top, still installs on the frame 47 and is used for driving clamping jaw 41) driving piece, clamping jaw 41 can pass from heating wire 44 the top through the no latitude cloth that will stretch out between first splint 46 and the second splint 45 to clamp.

So set up, above-mentioned structure will hot pressing complex, cut and feed and integrate into the unit of the integral type, and in the above-mentioned unit, splint and clamping jaw 41 can tear the cloth of no latitude tightly, and melt the fibrous and film on the cloth of no latitude through heating wire 44, have guaranteed the parallel and level of the cloth terminal surface of no latitude, avoid the cloth of no latitude to divide the silk; and this hot pressing compounding machine collects hot pressing, cuts and automatic feed as an organic wholely, simple structure, and the function is complete, and each component can all take lower mould 42 as the center, can reduce the control degree of difficulty, further improves quality and production efficiency of compound no latitude cloth.

In this embodiment, four guide posts 471 are mounted on the frame 47, the top parts of the four guide posts 471 are fixed with the top frame 472, guide sleeves 473 are mounted on the four guide posts 471, the four guide sleeves 473 are fixedly connected through an upper die frame 474, the upper die 43 is fixed on the upper die frame 474, a plurality of third air cylinders 431 are arranged between the upper die frame 474 and the top frame 472, and the third air cylinders 431 are used for driving the upper die 43 to slide up and down.

In order to avoid interference between the sliding rail 414, the clamping jaw 41 and the weft-free cloth, in this embodiment, two sliding rails 414 are fixedly installed on the frame 47, the two sliding rails 414 are separately arranged on two sides of the lower die 42, the two sliding rails 414 are located above the lower die 42, and the two clamping jaws 41 are respectively slidably installed on the two sliding rails 414.

In order to facilitate the control of the position of the clamping jaw 41, in this embodiment, two sliding rails 414 are slidably provided with sliding blocks 413, and two clamping jaws 41 are respectively mounted on the two sliding blocks 413; the frame is rotatably provided with a screw rod 415, the screw rod 415 is in threaded connection with the sliding block 413, the driving piece comprises a first motor, the first motor 416 is arranged on the frame 47, and the first motor 416 is in transmission connection with the screw rod 415.

Further preferably, in order to improve the consistency of the movements of the two clamping jaws 41, the two sliding blocks 413 are fixedly connected by a cross bar 412, and both clamping jaws 41 are mounted on the cross bar 412; only one screw 415 and first motor 416.

Further preferably, in order to enable the hot pressing compound machine to process the non-woven fabrics with different specifications, the cross rod 412 is sleeved with two mounting seats 411, the mounting seats 411 are connected with fasteners in a threaded manner, and the fasteners can pass through the mounting seats 411 to be abutted against the cross rod 412; the two clamping jaws 41 are mounted on two mounting seats 411, respectively.

In order to improve the accuracy of the gripping of the laid fabric by the gripping jaw 41, in this embodiment, the upper surface of the second clamping plate 45 is located above the lower die 42. So set up, splint limit the tip of no latitude cloth higher than the position of lower mould 42, and then can guarantee clamping jaw 41 from lower mould 42 top process, no latitude cloth tiling is on lower mould 42.

In order to facilitate the control of the clamping plate movements, in this embodiment, a second air cylinder 451 is mounted on the frame 47, and the telescopic end of the second air cylinder 451 is connected to the first clamping plate 46.

In this embodiment, a mounting plate 441 is slidably mounted on the frame 47, the mounting plate 441 is provided with two connection seats 442, the distance between the two connection seats 442 is not smaller than the width of the composite layer laid fabric, and two ends of the heating wire 44 are fixedly connected with the two connection seats 442 respectively; the frame 47 is provided with a first cylinder 444, and a telescopic end of the first cylinder 444 is connected to the mounting plate 441. Further preferably, the connection seat 442 is connected to the mounting plate 441 in a pluggable manner, and a spring 443 is provided between the connection seat 442 and the mounting plate 441. In the process of the composite production of the non-woven cloth, the first air cylinder 444 drives the mounting plate 441 to move upwards, the mounting plate 441 drives the electric heating wire 44 to move upwards through the connecting seat 442, and the electric heating wire 44 moves upwards to prop against the non-woven cloth of the composite layer and gradually fuses the non-woven cloth of the composite layer and the film adhered on the non-woven cloth of the composite layer; in the process of fusing the laid fabric, the first air cylinder 444 continues to drive the electric heating wire 44 to move upwards, the electric heating wire 44 receives downward pressure from the laid fabric of the composite layer, the electric heating wire 44 presses down the spring 443 through the connecting seat 442, and the spring 443 is deformed under pressure until the electric heating wire 44 fuses the laid fabric of the composite layer. So set up, can realize two connecting seats 442 synchronous motion through mounting panel 441 to can cut the composite bed no latitude cloth through the spring 443 with flexible mode, and then avoid heating wire 44 fracture, when guaranteeing the stable production that equipment used. So set up, first cylinder 444 drive mounting panel 441 drives heating wire 44 synchronous motion, the resin of the compound layer no latitude cloth of heating wire 44 melting, and fuse the film and the fibre of compound layer no latitude cloth, and then melt compound layer no latitude cloth through flexible means, the condition such as cutting the in-process can not appear dividing the silk, no latitude cloth fracture, the integrality of the compound layer no latitude cloth that is guaranteed being cut down, guarantee to accomplish the compound back double-deck no latitude cloth on fibrous even, and through the flexibility of the cutting process of spring 443 can further increase heating wire 44, and can avoid heating wire 44 to stretch open, the practicality and the application scope of cutting device are improved.

In order to facilitate the installation of the heating wire and the clamping plate, in the present embodiment, as shown in fig. 1 to 3, a first connecting plate 474 is fixedly installed at the front side of the frame 47, a first cylinder 444 is installed on the first connecting plate 474, the mounting plate is positioned above the first connecting plate 474, and the telescopic end of the first cylinder 444 is connected with the bottom of the mounting plate; the second air cylinder 451 is mounted on the first connecting plate 474, and the telescopic end of the second air cylinder 451 is coupled to the second clamping plate 45; the first clamping plate 46 is fixed to the first connecting plate 474 through the limiting post 461, and the first clamping plate 46 is higher than the heating wire 44.

In this embodiment, as shown in fig. 3, a fourth clamping plate 49 is disposed on the second connecting plate 40, and the fourth clamping plate 49 is located above the third clamping plate 410; the first clamping plate 46 is fixed on the first connecting plate 474 through the limiting post 461, and the first clamping plate 46 is higher than the third clamping plate 410; the bottom of the fourth clamping plate 49 has the same height as the bottom of the second clamping plate 45. The top of the third clamping plate 410 is higher than the heating wire 44.

In this embodiment, the heater is a mold temperature machine, and the upper mold 43 and the lower mold 42 are both provided with circulation oil channels, and the mold temperature machine is communicated with the circulation oil channels of the upper mold 43 and the circulation oil channels of the lower mold 42 through oil pipes.

In order to avoid the adhesion of the resin containing the glue and the weft-free cloth to the mold, in the embodiment, the film on the surface of the weft-free cloth is not peeled off, the lower surface of the upper mold 43 is coated with a first spacer, the upper surface of the lower mold 42 is coated with a second spacer, and the upper mold 43 and the lower mold 42 compress the weft-free cloth through the spacers; so set up, the resin that overflows from no latitude cloth will flow on the spacer, can clear up the resin that overflows from no latitude cloth fast through changing the spacer, guarantees that the mould surface is clean, improves the maintenance efficiency and the effect of equipment. Specifically, the first spacer and the second spacer are kraft paper with smooth surfaces, the upper die 43 and the lower die 42 are made of metal materials, a plurality of magnets are adsorbed on the upper die 43, the first spacer is clamped and fixed on the side wall of the upper die 43 through magnetic force, a plurality of magnets are adsorbed on the lower die 42, and the second spacer is clamped and fixed on the side wall of the lower die 42 through magnetic force. By the arrangement, the quick replacement of the isolating piece can be realized.

In this embodiment, the widths of the upper die 43 and the lower die 42 are larger than the width of the laid cloth.

In order to keep the position of the laid fabric on the lower die 42 consistent in the production process, in this embodiment, two limiting seats 48 are slidably mounted on the side surface of the lower die 42 facing the winding shaft 31, limiting wheels which are vertically arranged are rotatably mounted on the two limiting seats 48, and grooves are formed in the outer circumferential surface of the limiting wheels 48. In the production link of the non-woven fabric compounding, the non-woven fabric penetrates out of the grooves of the two limiting wheels. Further, a bolt is mounted on the limiting seat 48, and the limiting seat 48 is tightly abutted against the lower die 42 by screwing a screw, so that the position of the limiting seat 48 is fixed.

The hot pressing compound machine has the following action processes:

1) The base layer non-woven cloth moves left and right and passes through between the upper die 43 and the lower die 43, and the composite layer non-woven cloth extends out from between the first clamping plate 46 and the second clamping plate 45;

2) The first motor 416 drives the sliding block 413 to move through the screw rod 415, and the sliding block 413 drives the two clamping jaws 41 to move towards the first clamping plate 46 and the second clamping plate 45 through the transverse rod 412; the clamping jaw 41 clamps the composite layer laid cloth which extends from between the first clamping plate 4646 and the second clamping plate 4545; the first motor 416 drives the screw rod 415 to rotate reversely, the screw rod 415 drives the sliding block 413 to slide reversely, and the sliding block 413 drives the two clamping jaws 41 to be far away from the first clamping plate 46 and the second clamping plate 45 through the transverse rod 412;

3) After the clamping jaw 41 pulls the composite layer non-woven cloth to be laid on the base layer non-woven cloth, the clamping jaw 41 releases the composite layer non-woven cloth;

4) The upper die 43 moves downwards, so that the upper die 43 and the lower die 43 clamp the composite layer non-woven cloth and the base layer non-woven cloth, and the upper die 43 and the lower die 43 heat the adhesive on the non-woven cloth to enable the adhesive on the base layer non-woven cloth and the adhesive on the composite layer non-woven cloth to be fused into a whole to form a double-layer non-woven cloth; wherein the double layer laid cloth ensures transversely extending fibers and longitudinally extending fibers;

simultaneously, the second cylinder drives 415 to move down the second clamping plate 45, and the second clamping plate 45 and the first clamping plate 46 clamp the composite layer laid fabric; then, the first cylinder drives the mounting plate 441 to move upwards, and the mounting plate drives the heating wire 44 to move upwards through the first connecting seat 442, so as to cut the composite layer laid fabric;

5) After the hot pressing is completed, the upper die 43 moves upward, and the upper die 43 and the lower die 43 are opened; then, the double layer laid cloth is removed from between the upper die 43 and the lower die 43.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations may be made in the above embodiments by those skilled in the art without departing from the spirit and principles of the utility model.

Claims (10)

1. A hot pressing compounding machine for multilayer compound no latitude cloth production, includes frame (47), goes up mould (43) and lower mould (42), its characterized in that: the device also comprises an electric heating wire (44), a clamping jaw (41), a clamping plate and a die temperature machine for supplying heat to the upper die (43) and the lower die (42);

the upper die (43) is positioned above the lower die (42), the lower die (42) is positioned and fixed on the frame (47), and the upper die (43) is arranged on the frame (47) in a lifting manner;

the electric heating wire (44) is transversely arranged on the side surface of the lower die (42), the electric heating wire (44) is arranged on the frame (47) in a lifting manner, and the electric heating wire (44) is positioned between the lower die (42) and the clamping plate;

the clamping plate comprises a first clamping plate (46) and a second clamping plate (45), the first clamping plate (46) is positioned above the second clamping plate (45), the second clamping plate (45) is fixed on the frame (47), and the first clamping plate (46) is arranged on the frame (47) in a lifting mode;

clamping jaw (41) have two, and two clamping jaw (41) control setting, clamping jaw (41) slidable mounting is on frame (47), still installs the driving piece that is used for driving clamping jaw (41) on frame (47), and clamping jaw (41) are located lower mould (42) top, and clamping jaw (41) can follow the top of heating wire (44) through will follow the no latitude cloth centre gripping that stretches out between first splint (46) and second splint (45).

2. The hot press compounding machine for producing a multilayer composite laid fabric according to claim 1, wherein: two slide rails (414) are fixedly arranged on the frame (47), the two slide rails (414) are respectively arranged on two sides of the lower die (42), the two slide rails (414) are positioned above the lower die (42), and the two clamping jaws (41) are respectively and slidably arranged on the two slide rails (414).

3. The hot press compounding machine for multilayer composite laid fabric production according to claim 2, characterized in that: the two sliding rails (414) are respectively provided with a sliding block (413), and the two clamping jaws (41) are respectively arranged on the two sliding blocks (413); the driving piece comprises a first motor (416) arranged on the frame (47), a screw rod (415) is rotatably arranged on the frame (47), the screw rod (415) is in threaded connection with the sliding block (413), and the first motor (416) is in transmission connection with the screw rod (415).

4. A hot press compounding machine for multilayer composite laid fabric production according to claim 3, characterized in that: the two sliding blocks (413) are fixedly connected through a cross rod (412), and the two clamping jaws (41) are both arranged on the cross rod (412).

5. The hot press compounding machine for producing a multilayer composite laid fabric according to claim 4, wherein: two mounting seats (411) are sleeved on the cross rod (412), the mounting seats (411) are connected with fasteners in a threaded mode, and the fasteners can penetrate through the mounting seats (411) to be abutted against the cross rod (412) when screwed; the two clamping jaws (41) are respectively arranged on the two mounting seats (411).

6. The hot press compounding machine for producing a multilayer composite laid fabric according to claim 1, wherein: the upper surface of the second clamping plate (45) is positioned above the lower die (42).

7. The hot press compounding machine for producing a multilayer composite laid fabric according to claim 1, wherein: a second air cylinder (451) is mounted on the frame (47), and the telescopic end of the second air cylinder (451) is connected with the first clamping plate (46).

8. The hot press compounding machine for producing a multilayer composite laid fabric according to claim 1, wherein: a mounting plate (441) is slidably mounted on the frame (47), two connecting seats (442) are mounted on the mounting plate (441), and two ends of the heating wire (44) are fixed on the two connecting seats (442); a first air cylinder (444) is arranged on the frame (47), and the telescopic end of the first air cylinder (444) is connected with the mounting plate (441).

9. The hot press compounding machine for producing a multilayer composite laid fabric according to claim 8, wherein: the connecting seat (442) is connected with the mounting plate (441) in a plug-in mode, and a spring (443) is arranged between the connecting seat (442) and the mounting plate (441).

10. The hot press compounding machine for producing a multilayer composite laid fabric according to claim 1, wherein: kraft paper is coated on both the upper die (43) and the lower die (42).