WO2022222423A1

WO2022222423A1 - Felt laying device

Info

Publication number: WO2022222423A1
Application number: PCT/CN2021/128740
Authority: WO
Inventors: 唐宇; 刘春�; 鲁欣科; 陆飞宇
Original assignee: 南京玻璃纤维研究设计院有限公司; 中材科技股份有限公司
Priority date: 2021-04-23
Filing date: 2021-11-04
Publication date: 2022-10-27
Also published as: JP2024515146A; KR20230169326A; CN113249872A

Abstract

A felt laying device, comprising a 1# belt conveyor (10), a 2# belt conveyor (20), a felt laying machine (30), a swing mechanism (40), and a felt receiving machine (50) which are provided on a frame (1). The 1# belt conveyor (10) is used for receiving formed single-layer cotton felt and conveying same to the 2 # belt conveyor (20). The 2# belt conveyor (20) is used for receiving cotton felt falling from the 1# belt conveyor (10) and conveying the cotton felt to the felt laying machine (30). The upper end of the felt laying machine (30) is hinged to the rear end of the 2# belt conveyor (20) and moves up and down along with the 2# belt conveyor (20), the lower end of the felt laying machine (30) is connected to the swing mechanism (40) and swings back and forth in the horizontal direction under the drive of the swing mechanism (40), and by means of swinging, the single-layer cotton felt falling from the 2# belt conveyor (20) is superimposed into multilayer cotton felt along the width direction of the felt receiving machine (50). According to the felt laying device, the arc swing of the felt laying machine during felt falling can be changed into horizontal linear movement, and a servo motor having shorter response time serves as driving force for swinging reversing, so that a horizontal speed difference generated during reversing is reduced, thereby improving the density uniformity of the product cotton felt in width.

Description

A felting device

technical field

The present application relates to the technical field of mineral wool preparation, in particular to a felting device.

Background technique

Felt laying is an important technical means to stack the single-layer cotton felt collected by the cotton collector back and forth during the production process of mineral wool, and superimpose it into a multi-layer cotton felt. Since the technology of using the pendulum method to produce mineral wool has been widely used, with the gradual expansion of production capacity and the gradual improvement of product quality requirements, the pendulum method of felt laying technology is also iteratively updated in the production of mineral wool. The traditional uncompensated arc pendulum swing has developed into the arc pendulum swing with speed compensation. However, due to the inherent structural defects of the pendulum method of felt laying technology, the trajectory of the arc pendulum swing driving the cotton felt to fall is an arc, resulting in many Layer batts have the disadvantage of being thin in the middle and thick on both sides in width. With the development and popularization of the production technology of mineral wool, the output of mineral wool production line is developing in the direction of large production capacity, and the width of the production line becomes wider. A wider production line means a longer swing arc length, which also means a larger swing inertia.

SUMMARY OF THE INVENTION

In order to solve the technical problem that the formed multi-layer cotton felt in the existing felt laying machine has a thin middle and thick sides in width, the present application provides a felt laying device, which can change the arc swing into a linear motion, thereby ensuring the fall. When felting, the distance from the cotton felt to the horizontal line remains the same, and at the same time, the use of the servo motor can realize the characteristics of rapid reversing, so that the felting machine maintains a uniform motion state within a considerable part of the width, and accelerates quickly when it moves to both ends. Or decelerate, thereby reducing the residence time when the two ends of the felting machine are reversed, so that the horizontal speed of the falling felt is basically equal, thereby further ensuring the thickness uniformity of the formed cotton felt in the width direction.

The technical solution adopted in this application is:

A felt laying device, comprising a frame on which a 1# belt conveyor, a 2# belt conveyor, a felt laying machine, a swing mechanism and a felt picker are connected in sequence; the 1# belt conveyor is located above the frame The front end is used to accept the formed single-layer cotton felt and transport it to the 2# belt conveyor; the 2# belt conveyor is located at the rear and lower part of the 1# belt conveyor, and is used to accept the single-layer cotton felt dropped by the 1# belt conveyor and transport it to the 2# belt conveyor. It is conveyed to the felting machine, the 2# belt conveyor is hinged with the frame through the first hinge seat, and the bottom rear end of the 2# belt conveyor is provided with an air spring for elastically supporting its up and down movement; the upper end of the felting machine is connected to the 2# belt conveyor. The rear end is hinged and moves up and down with the 2# belt conveyor. The lower end of the felt laying machine is connected with the swinging hook and is driven by the swinging hook and swings back and forth in the horizontal direction above the felting machine. By swinging the 2# belt conveyor The fallen single layer of cotton felt is superimposed into multiple layers of cotton felt.

Further, the felting machine includes a felting frame, a first felting conveyor belt and a second felting conveyor belt installed on the felting frame; the first felting conveyor belt includes an active roller A and a passive roller. A. Conveyor belt A and drive motor A; the second felt-laying conveyor belt includes driving roller B, passive roller B, conveying belt B and driving motor B; driving roller A and driving roller B are arranged on the upper end of the felt-laying frame, The passive roller A and the passive roller B are arranged at the lower end of the felt-laying frame. The conveying belt A and the conveying belt B are arranged in parallel, and a conveying channel passing through a single layer of cotton felt is formed between the opposite sides of the two belts. The conveying belt A and the conveying belt B turns synchronously and turns in the opposite direction.

Further, the upper end of the felt laying frame is connected to the 2# belt conveyor through a second hinge seat, the second hinge seat includes a second hinge shaft and a second bearing seat, and the second hinge shaft passes through the felt laying frame and is rotatably installed. In the second bearing seat, the second bearing seat is fixedly installed on the felting frame, and the second hinge shaft is also the rotating shaft of the passive roller of the 2# belt conveyor; the driving roller A is located directly below the second hinge shaft, and the driving roller B is higher than the second hinge axis.

Further, the swing mechanism includes a dual-axis servo motor, and a synchronous belt transmission mechanism symmetrically arranged on both sides of the servo motor in parallel. The synchronous belt transmission mechanism includes a driving pulley, a passive The synchronous belt of the reciprocating motion of the passive pulley, the linear guide rail arranged in the synchronous belt ring, and the slider assembly slidably arranged on the linear guide rail, the slider assembly is fixed on the synchronous belt and synchronized with the synchronous belt Movement; the driving pulley is fixedly connected with the output shaft of the servo motor through the coupling, and the slider assembly is hinged with the lower end of the felt laying machine.

Further, the slider assembly includes an upper pressure plate, a lower pressure plate and a slider seat, the upper pressure plate is hinged with the felt laying frame of the felt laying machine through bolts, the lower pressure plate is fixedly connected with the slider seat through bolts, and the slider seat is connected with the linear guide rail. Sliding connection, the upper pressure plate and the lower pressure plate are fixedly connected by bolts passing through the left and right ends of the upper pressure plate and the lower pressure plate, and a synchronous belt is sandwiched between the middle of the upper pressure plate and the lower pressure plate.

Furthermore, the lower end of the felt laying frame is provided with a third hinged seat, the third hinged seat includes a third bearing seat and a third hinged shaft rotatably arranged in the third bearing seat, the third hinged shaft is connected to the felt laying seat. The frame is fixedly connected, and the upper pressure plate is fixedly connected with the third bearing seat through bolts.

Further, the 1# belt conveyor is inclined from top to bottom, the 2# belt conveyor is inclined from the bottom to the top, the felt laying machine is set vertically in the static state, and the swing mechanism is horizontally set above the felt receiving machine.

Beneficial effects of this application:

There are two congenital structural defects of the existing felt laying machine: one is that the distance of the cotton felt falling to the horizontal line is: when it swings to both ends, the falling distance is far, and when it swings to the midpoint, the falling distance is short; the second is the arc pendulum When swinging to the two ends, the horizontal speed of the falling felt is the slowest, and when it swings to the middle point, the horizontal speed of the falling felt is the fastest. The superposition of the above two factors makes the layered multi-layer cotton felt to have an intermediate thickness in width. Thick technical flaws on both sides.

In the present application, the bottom of the 2# belt conveyor is hinged with the frame, the rear end is hinged with the upper end of the felting machine, and the lower end of the felting machine is connected with the swinging hook and is driven by the swinging hook. The design scheme of the reciprocating swing in the direction digests the motion component in the vertical direction generated by the arc swing of the felt laying machine, and only retains its horizontal motion component, so that the felt point at the lower end of the felt laying machine is: Straight line, and maintain the consistency with the vertical height of the horizontal felting mechanism during the entire felting process; at the same time, using the characteristics of the fast reversing of the servo motor, the felting mechanism can have a faster response speed when reversing, thus To a large extent, the felt-laying machine can perform the felt-laying action of close to uniform speed and equal height, so that the density uniformity of the stacked cotton felt in the width direction is improved, and the appearance quality and strength of the final product are also improved. .

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the felt laying device of the present application

FIG. 2 is a plan side view of FIG. 1 .

FIG. 3 is a schematic structural diagram of the 2# belt conveyor of the present application.

FIG. 4 is a schematic structural diagram of the felting machine of the present application.

FIG. 5 is a schematic structural diagram of the swing mechanism of the present application.

FIG. 6 is a cross-sectional view taken along the B-B direction of FIG. 5 .

FIG. 7 is a schematic structural diagram of the slider assembly of the present application.

FIG. 8 is a working principle diagram of the felt laying device of the present application.

Detailed ways

In order to better understand the present application, the content of the present application is further clarified below with reference to the examples, but the content of the present application is not limited to the following examples.

Embodiment 1

Referring to FIG. 1 and FIG. 2 , the present embodiment provides a felt laying device, including a frame 1, and the frame 1 is provided with a 1# belt conveyor 10, a 2# belt conveyor 20, a felt laying machine 30, and a swing mechanism connected in sequence. 40 and the felting machine 50.

The 1# belt conveyor 10 is located at the upper and front end of the frame 1, and is used to receive the formed single-layer cotton felt and transport it to the 2# belt conveyor 20; Take the single-layer cotton felt dropped by the 1# belt conveyor 10 and transport it to the felt laying machine 30. The 2# belt conveyor 20 is hinged with the frame 1 through the first hinge seat 22, and the bottom rear end of the 2# belt conveyor 20 is provided with a The air spring 23 that elastically supports its up and down movement; the upper end of the felting machine 30 is hinged with the rear end of the 2# belt conveyor 20 and moves up and down with the 2# belt conveyor 20, and the lower end of the felting machine 30 is connected with the swinging machine hook 40 and Under the driving of the swinging hook 40, the top of the felt picker 50 swings back and forth in the horizontal direction, and the single layer of cotton felt dropped by the 2# belt conveyor 20 is superimposed into a multi-layered cotton felt by swinging. The structure and connection relationship of each mechanism are described in detail below.

The bracket 1 is a multi-layer rectangular frame composed of several beams and outriggers made of section steel. For example, in this embodiment, the bracket 1 includes a first-layer rectangular frame 11 for installing the 1# belt conveyor and the 2# belt conveyor, The second layer of the rectangular frame 12 for installing the felt spreader 30 and the swing mechanism 40 is used for the third layer of the rectangular frame 13 for the installation of the felt machine 50 . The size and structure of each layer of rectangular frame adopts different design forms according to the installation needs.

The 1# belt conveyor is the existing ordinary belt conveyor, which is mainly composed of frame, conveyor belt, idler, roller, tensioning device, transmission device, etc. The 1# belt conveyor 10 is fixedly installed on the first-layer rectangular frame 11 of the frame 1 through the bracket.

Referring to Figure 3, the 2# belt conveyor includes a belt conveyor body 21. The belt conveyor body 21 is an existing ordinary belt conveyor, which is mainly composed of a frame, a conveyor belt, an idler, a roller, a tensioning device, and a transmission device. A first hinge seat 22 is provided at the bottom middle end of the belt conveyor body 21 , and the belt conveyor body 21 is rotatably connected to the frame 1 through the first hinge seat 22 . The first hinge seat 22 is in the prior art, and its base is fixedly installed on the first layer of the rectangular frame 11 of the frame 1 through bolts, and its hinge shaft passes through the bracket of the belt conveyor body 21 and is fixed to the bracket of the belt conveyor body 21 through a locking device connect. The bottom rear end of the belt conveyor body 21 is provided with an air spring 23 for elastically supporting its up and down movement. The air spring 23 is in the prior art. 21 on the bracket. Two hinged brackets 241 are symmetrically arranged on both sides of the rear end of the belt conveyor body 21 . The hinged brackets 241 are fixed on the brackets of the belt conveyor body 21 . The hinged brackets 241 are provided with a hinged shaft 242 , and the hinged shaft 242 passes through the felt laying frame 31 . It is rotatably arranged in the bearing seat 243, and the bearing seat 243 is fixedly mounted on the felt laying frame 31 by means of bolts. The hinge shaft 242 is also the rotating shaft of the driven drum of the belt conveyor body 21 . The hinged bracket 241, the hinged shaft 242 and the bearing seat 243 constitute the second hinged seat 24 of the 2# belt conveyor.

Referring to FIG. 4 , the felting machine 30 includes a felting frame 31 , a first felting conveyor belt and a second felting conveyor belt installed on the felting frame 31 . The felt laying frame 31 is hinged with the 2# belt conveyor through the second hinge seat 24 . The first felt-laying conveyor belt has the same structure as the second felt-laying conveyor belt, and both are existing ordinary belt conveyors. The first felt-laying conveyor belt includes a driving roller A33, a passive roller A35, a conveying belt A37 and a drive motor A (not shown in the figure), and the driving motor A drives the driving roller A33 to drive the conveying belt A37 to rotate; the second felt-laying conveying belt The machine includes a driving roller B32, a passive roller B34, a conveying belt B36 and a driving motor B (not shown in the figure). The driving motor B drives the driving roller B32 to drive the conveying belt B36 to rotate; the driving roller A33 and the driving roller B32 are installed in the felting machine. On the upper end of the frame 31, the passive roller A35 and the passive roller B34 are arranged at the lower end of the felt-laying frame 31, the conveying belt A37 and the conveying belt B36 are arranged in parallel, and a conveying channel 38 passing through a single layer of cotton felt is formed between the opposite sides of the two belts . The conveying belt A37 rotates synchronously with the conveying belt B36 and turns in the opposite direction.

Preferably, the driving roller A33 is located directly below the hinge shaft 242, the driving roller B32 is located above the side of the hinge shaft 242, and the driving roller B32 is higher than the driving roller A33, so that the upper end of the conveying belt B36 exceeds the conveying belt B36 to form a blocking wall to prevent cotton felt It crosses the conveying channel 38 when falling from the 2# belt conveyor.

The lower end of the felt laying frame 31 is provided with a third hinge seat 39. The third hinge seat 39 is in the prior art and includes a third bearing seat 391 and a third hinge shaft 392 rotatably arranged in the third bearing seat 391. The hinge shaft 392 is fixedly connected with the felt laying frame 31 .

Referring to FIGS. 5 to 7 , the swing mechanism 40 is installed on the second-layer rectangular frame 12 of the frame 1 , and includes a dual-axis servo motor 41 , two structures symmetrically arranged on both sides of the servo motor 41 in parallel. The same synchronous belt transmission mechanism, the synchronous belt transmission mechanism is the prior art, which includes a driving pulley 42, a passive pulley 43, a synchronous belt 44 that connects the reciprocating motion of the driving pulley 42 and the passive pulley 43, and is located in the The linear guide 45 in the belt loop of the synchronous belt 44, and the slider assembly 46 slidably arranged on the linear guide 45. The slider assembly 46 includes an upper pressure plate 461, a lower pressure plate 462 and a slider seat 463, and the upper pressure plate 461 The third bearing seat 391 is fixedly connected by bolts, the lower pressure plate 462 is fixedly connected to the slider seat 463 through bolts, the slider seat 463 is slidably connected to the linear guide rail 45, and the upper pressure plate 461 and the lower pressure plate 462 pass through the upper pressure plate and The bolts at the left and right ends of the lower pressing plate are fixedly connected, and a synchronous belt 44 is sandwiched between the upper pressing plate 461 and the middle of the lower pressing plate 462 . In order to clamp and fix the timing belt 44 more reliably, it is preferable that the surfaces of the upper pressing plate 461 and the lower pressing plate 462 in contact with the timing belt are toothed surfaces. The two-axis servo motor 41 is connected to the two driving pulleys 42 through the coupling 47, so that the rotating force can be sent to the synchronous belt transmission mechanism through the coupling 47 at the same time, so as to ensure the consistency of rotation on both sides, so that the synchronous belt can be fixed on the synchronous belt. The slider assembly 46 on 44 can synchronously move back and forth within a set range, and the arrangement of the linear guide 45 can improve the bearing capacity of the slider and ensure the straightness of the slider movement.

The felt picker 50 is installed on the third-layer rectangular frame 13 of the frame 1. It includes an inclined belt conveyor 51 and a horizontal belt conveyor 52. The inclined belt conveyor 51 is located directly below the swing mechanism 40 for receiving slaves. The single-layer cotton felt dropped by the felt machine 30, and the superimposed multi-layer cotton felt is transported to the horizontal belt conveyor 52, and the horizontal belt conveyor 52 is connected to the discharge end of the inclined belt conveyor The felt is conveyed to the next unit.

Preferably, the 1# belt conveyor 10 is inclined from top to bottom, the 2# belt conveyor 20 is inclined from bottom to top, the felt laying machine 30 extends downward in the vertical direction in the static state, and the swing mechanism 40 is horizontally arranged on the felt receiving machine 50 below. By adopting such a design solution, the cotton felt can be changed from horizontal transportation to vertical transportation, and the felt laying device of the present application can be more compact in structure and more convenient to operate.

The way this application works is:

Referring to FIG. 8 , in the static state, the felting machine 30 is arranged in the vertical direction. During operation, the cotton felt 2 produced by the production line is conveyed by the 1# belt conveyor 10 to the 2# belt conveyor 20, and then sent to the felting machine 30. The shaft servo motor 41 rotates forward and reverse, driving the two driving pulleys 42 to drive the two timing belts 44 to reciprocate left and right in the horizontal direction, and the timing belt 44 drives the slider assembly 46 to reciprocate on the linear guide 45. The lower end of the felting machine 30 is driven to move horizontally back and forth above the felting machine 50 around the second hinge seat 24 of the 2# belt conveyor to form layers of cotton felt. Because the upper end of the felt laying machine 30 is hinged with the 2# belt conveyor, during the back and forth movement of the felt laying machine 30, the 2# belt conveyor swings up and down around the first hinge seat 22 to generate vertical displacement, and this displacement is caused by the air spring 23 to compensate, so that the motion trajectory of the lower end of the felt laying machine 30 is always on the same horizontal line, and the vertical distance between this horizontal line and the horizontal felt connecting mechanism 50 is also equal.

The above are only the preferred embodiments of the present application. It should be pointed out that for those skilled in the art, without departing from the principles of the present application, several improvements and modifications can be made. It should be regarded as the protection scope of this application.

Claims

A felt laying device, comprising a frame, characterized in that the frame is provided with a 1# belt conveyor, a 2# belt conveyor, a felt laying machine, a swing mechanism and a felt receiving machine connected in sequence;

The 1# belt conveyor is located at the upper front end of the frame, which is used to take the formed single-layer cotton felt and transport it to the 2# belt conveyor;

The 2# belt conveyor is located at the back and bottom of the 1# belt conveyor, which is used to receive the single layer cotton felt dropped by the 1# belt conveyor and transport it to the felt laying machine. The 2# belt conveyor is hinged with the frame through the first hinge seat, and the 2 #The bottom rear end of the belt conveyor is provided with an air spring for elastically supporting its up and down movement;

The upper end of the felt-laying machine is hinged with the rear end of the 2# belt conveyor and moves up and down with the 2# belt conveyor. The lower end of the felt-laying machine is connected with the swinging hook and is driven by the swinging hook in the horizontal direction above the felting machine. Swing back and forth, and superimpose the single-layer cotton felt dropped by the 2# belt conveyor into a multi-layer cotton felt by swinging.
The felting device according to claim 1, wherein the felting machine comprises a felting frame, a first felting conveyor belt and a second felting conveyor belt installed on the felting frame; The felt-laying conveyor belt includes an active roller A, a passive roller A, a conveying belt A and a drive motor A; the second felt-laying conveyor belt includes a driving roller B, a passive roller B, a conveying belt B and a driving motor B; the driving roller A and The driving roller B is arranged at the upper end of the felting frame, the passive roller A and the passive roller B are arranged at the lower end of the felting frame, the conveying belt A and the conveying belt B are arranged in parallel, and a single layer is formed between the opposite sides of the two belts. In the conveying channel of the cotton felt, the conveying belt A rotates synchronously with the conveying belt B, and the direction of rotation is opposite.
The felt-laying device according to claim 2, wherein the upper end of the felt-laying frame is connected to the 2# belt conveyor through a second hinge seat, and the second hinge seat includes a second hinge shaft and a second bearing seat, and the second hinge seat includes a second hinge shaft and a second bearing seat. The hinge shaft is rotatably installed in the second bearing seat through the felt laying frame, the second bearing seat is fixedly installed on the felt laying frame, and the second hinge shaft is also the rotating shaft of the passive roller of the 2# belt conveyor; the driving roller A Located just below the second hinge shaft, the driving drum B is higher than the second hinge shaft.
The felt laying device according to claim 1, wherein the swing mechanism comprises a double-axis servo motor, a synchronous belt transmission mechanism symmetrically arranged on both sides of the servo motor in parallel, and the synchronous belt transmission mechanism comprises an active A pulley, a passive pulley, a synchronous belt connecting the reciprocating motion of the driving pulley and the passive pulley, a linear guide rail arranged in the synchronous belt ring, and a slider assembly slidably arranged on the linear guide rail, the The sliding block assembly is fixed on the synchronous belt and moves synchronously with the synchronous belt; the driving pulley is fixedly connected with the output shaft of the servo motor through the coupling, and the sliding block assembly is hinged with the lower end of the felt laying machine.
The felting device according to claim 4, wherein the slider assembly comprises an upper pressing plate, a lower pressing plate and a slider seat, the upper pressing plate is hinged to the felting frame of the felting machine through bolts, and the lower pressing plate is connected to the sliding plate through bolts. The block seat is fixedly connected, the slider seat is slidably connected with the linear guide rail, the upper pressure plate and the lower pressure plate are fixedly connected by bolts passing through the left and right ends of the upper pressure plate and the lower pressure plate, and a synchronous belt is sandwiched between the middle of the upper pressure plate and the lower pressure plate .
The felt laying device according to claim 5, characterized in that a third hinge seat is provided at the lower end of the felt laying frame, and the third hinge seat comprises a third bearing seat and a third bearing seat rotatably arranged in the third bearing seat. Three hinged shafts, the third hinged shaft is fixedly connected with the felt laying frame, and the upper pressing plate is fixedly connected with the third bearing seat through bolts.
The felt laying device according to claim 1, wherein the 1# belt conveyor is inclined from top to bottom, the 2# belt conveyor is inclined from bottom to top, the felt laying machine is set vertically in a static state, and the swing mechanism is horizontal Set above the felt machine.