Quality control structure for rotary drum type forming machine

Abstract

A quality control structure for a rotary drum type forming machine comprises the rotary drum type forming machine, a feeding mechanism located above the rotary drum type forming machine and a conveying curtain located at a blanking position on one side of the rotary drum type forming machine, a feeding roller is formed on the feeding mechanism, and the quality control structure is characterized in that a weighing curtain is additionally connected to one side of the conveying curtain; the four corners of the lower portion of the weighing curtain are each provided with a supporting weighing device, the feeding roller is driven by a variable frequency motor, a control box is arranged beside the rotary drum type forming machine, and the supporting weighing devices and the variable frequency motor are electrically connected with the control box. When the supporting and weighing device senses that the quality of a product changes, a signal is fed back to the control box, and the control box controls the rotating speed of the variable frequency motor to adjust the feeding amount of the feeding roller. The device has the advantages that the functions of weighing in real time and adjusting the fiber feeding amount at any time according to the quality condition are achieved, the quality of products effectively tends to be consistent, and the qualified rate of the products and the production efficiency of the rotary drum type forming machine are greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to non - woven equipment technical field, concretely relates to a mass control structure for rotary drum forming machine. BACKGROUND

[0002] Rotary drum forming machine is generally applied to the production of felt and automobile ornaments, is a kind of production equipment that by feeding mechanism, meltable fiber is fed into rotary drum, fiber is heated and melted into shape in the mold cavity on the surface of rotary drum by hot air, and is shaped and demoulded by cold air cooling, when the fiber is insufficient, the product may appear too thin and have the problem of hollowing, and when the fiber is too much, the product may appear too thick and have too much leftover, although the leftover can be recycled, but there will inevitably be secondary pollution and the disadvantage of labor cost.Currently, the fiber feeding amount of rotary drum forming machine is set before processing, generally cannot be adjusted in real time, and the feeding amount needs to be adjusted after the product is weighed and checked by artificial, many defective products will be produced during this period, which greatly affects the production efficiency of rotary drum forming machine.

[0003] In the prior art, such as the "rotary drum forming device of automobile interior part forming machine" provided in Chinese patent authorized publication No.CN109382939B, the forming device adopts the structure described above, and it is found in actual use that the feeding amount will change due to the influence of fiber condition and environment, and the weight of the products produced in the same batch is different.

[0004] In view of the above situation, it is necessary to design a mass control structure for rotary drum forming machine, which is simple in structure, low in cost and can adjust the fiber feeding amount in real time according to the weight of the product. For this purpose, the applicant has made a useful design, and the technical scheme to be introduced below is generated in this background. CONTENT OF UTILITY MODEL

[0005] The task of the utility model is to provide a mass control structure for rotary drum forming machine, which helps to improve the control structure to weigh the product in real time and adjust the fiber feeding amount according to the quality, reduce the feeding amount when the quality is too heavy, and increase the feeding amount when the quality is too light, so that the quality of the product tends to be consistent, which is beneficial to improve the qualified rate of the product and the production efficiency of the rotary drum forming machine.

[0006] The utility model discloses a quality control structure for rotary drum forming machine, including a rotary drum forming machine, a feeding mechanism located rotary drum forming machine top and a conveying curtain located rotary drum forming machine one side blanking place, the feeding mechanism is constituted with a feeding roller on, and the characteristic is: the conveying curtain one side still adds a weighing curtain, the weighing curtain's below four corners respectively is provided with a support weighing device, the feeding roller passes through a frequency conversion motor drive, rotary drum forming machine one side is provided with a control box, support weighing device and frequency conversion motor respectively with control box electricity is connected, when support weighing device senses the quality of product change and feeds back signal to control box, the control box controls the rotational speed of frequency conversion motor to adjust the feeding amount of feeding roller.

[0007] In one embodiment of the utility model, the rotary drum forming machine includes a rotary drum and a rotary drum seat, the inner core of the rotary drum is formed with a wind drum, the rotary drum rotates around the wind drum, one side of the wind drum has a group of hot air channels for hot air to pass through, one side of the wind drum and corresponding to the position of the rotary drum blanking is provided with a pair of cold air channels, one side of the wind drum and corresponding to the position of the feeding mechanism connection is provided with a pair of adsorption pipes, the adsorption pipes are respectively connected with a fan.

[0008] In another embodiment of the utility model, a fiber storage box is formed above the feeding mechanism, an opening roller is arranged at the connection between the lower end of the feeding mechanism and the rotary drum forming machine, the opening roller is driven to rotate by an opening roller motor, a recycling air pipe is communicated with the recycling fan at the position corresponding to the opening roller on one side of the feeding mechanism.

[0009] In still another embodiment of the utility model, the frequency conversion motor is installed on a frequency conversion motor speed reducer, the frequency conversion motor speed reducer is fixed on one side of the feeding mechanism, and the frequency conversion motor speed reducer and the feeding roller are connected through a chain transmission.

[0010] In still another embodiment of the utility model, the conveying curtain is fixed and supported on the horizontal base surface through a conveying curtain seat.

[0011] In still another embodiment of the utility model, the weighing curtain is supported on the horizontal base surface through a weighing curtain seat, the support weighing devices are respectively fixed at positions between the weighing curtain and the weighing curtain seat, and the support weighing device includes a bottom plate fixed on the weighing curtain seat, a pressure sensor fixed on the bottom plate, a support cylinder fixed on the bottom plate, a support rod abutting against the pressure sensor, and a top plate fixed at the bottom of the weighing curtain and corresponding to the bottom plate.

[0012] In further one specific embodiment of the utility model, one pressure end is constituted to one end of pressure sensor, and one fixed end is constituted to the other end, one ball lower cavity is constituted above the pressure end, one ball upper cavity is constituted to the lower end of support rod, the ball is clamped between ball lower cavity and ball upper cavity, one wire is connected to the fixed end of pressure sensor, the wire is connected with control box, the fixed end is fixed on a fixed end seat through a pair of fixed end screws, the fixed end seat is fixed on the bottom plate through fixed end seat screw, the fixed end seat screw is fixedly connected with the weighing curtain seat after passing through the bottom plate, the upper end of support rod constitutes a support rod seat, the support rod seat is fixed on the top plate through a group of support rod seat screws, the support rod seat screw is fixed with the weighing curtain after passing through the top plate.

[0013] In further one specific embodiment of the utility model, the support cylinder is fixed on a support cylinder seat, the support cylinder constitutes a cylinder column upward, a cylinder column accommodation cavity is set in the top plate corresponding to the position of cylinder column, the cylinder column passes through the cylinder column accommodation cavity and abuts against the bottom of weighing curtain upward, the support cylinder seat is fixed on the bottom plate through support cylinder seat screw, and the support cylinder seat screw is fixed with the weighing curtain seat after passing through the bottom plate.

[0014] The utility model has the beneficial effects after adopting the above structure: because the structure that the weighing curtain cooperates with the support weighing device is adopted to weigh the product and adjusts the feeding roller speed through the control box, the function of weighing in real time and adjusting the fiber feeding amount according to the quality condition is realized, the feeding amount is reduced when the quality is too heavy, and the feeding amount is increased when the quality is too light, effectively making the quality of product consistent, greatly improving the qualified rate of product and the production efficiency of rotary drum forming machine, and truly achieving quality and quantity under the premise that the production efficiency is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structural schematic diagram of one embodiment of the utility model;

[0016] Figure 2 It is the structural schematic diagram of the support weighing device of the utility model.

[0017] In the figure: 1. rotary drum forming machine, 11. rotary drum, 12. rotary drum seat, 13. air cylinder, 131. hot air passage, 14. cold air passage, 15. suction pipe, 151. fan; 2. feeding mechanism, 21. fiber storage box, 22. opening roller, 221. opening roller motor, 23. feeding roller, 24. variable frequency motor, 241. variable frequency motor reducer, 25. recovery air pipe; 3. conveying curtain, 31. conveying curtain seat; 4. weighing curtain, 41. weighing curtain seat; 5. supporting weighing device, 51. bottom plate, 52. pressure sensor, 521. pressure end, 522. lower ball cavity, 523. fixed end, 524. wire, 525. fixed end screw, 526. fixed end seat, 5261. fixed end seat screw, 53. supporting air cylinder, 531. air cylinder column, 532. supporting air cylinder seat, 5321. supporting air cylinder seat screw, 54. supporting rod, 541. upper ball cavity, 542. supporting rod seat, 5421. supporting rod seat screw, 55. top plate, 551. air cylinder column accommodation cavity, 56. ball; 6. control box. DETAILED DESCRIPTION

[0018] The specific embodiments of the present application will be described in detail below with reference to the accompanying drawings, but the description of the embodiments is not a limitation on the technical solutions, and any formal but not substantial changes according to the concept of the present application should be regarded as the protection scope of the present application.

[0019] In the following description, any directional or positional concepts such as up, down, left, right, front and back are based on the position shown in the figure, and therefore should not be understood as a special limitation on the technical solutions provided by the present application. Figure 1

[0020] Please refer to Figure 1 , Figure 2 , the present application relates to a kind of quality control structure of rotary drum forming machine, including a rotary drum forming machine 1, a feeding mechanism 2 located above rotary drum forming machine 1 and a conveying curtain 3 located at the blanking place of rotary drum forming machine 1 side, the feeding mechanism 2 is formed with a feeding roller 23 on the aforementioned, the aforementioned conveying curtain 3 is fixed and supported on horizontal base surface by a conveying curtain seat 31.

[0021] ​The technical innovation point of the utility model lies in: the conveying curtain 3 is additionally provided with a weighing curtain 4, the weighing curtain 4 is provided with a supporting weighing device 5 at the lower corner, the feeding roller 23 is driven by a frequency conversion motor 24, the rotary drum forming machine 1 is provided with a control box 6, the supporting weighing device 5 and the frequency conversion motor 24 are electrically connected with the control box 6, when the supporting weighing device 5 senses the change of the quality of the product, feedback signal is given to the control box 6, the control box 6 controls the rotating speed of the frequency conversion motor 24 to adjust the feeding amount of the feeding roller 23.

[0022] In the embodiment, the rotary drum forming machine 1 comprises a rotary drum 11 and a rotary drum base 12, the inner core of the rotary drum 11 is provided with a wind drum 13, the rotary drum 11 rotates around the wind drum 13, the wind drum 13 is provided with a group of hot air passages 131 for the hot air to pass in one side, a pair of cold air passages 14 are arranged at the position corresponding to the material dropping position of the rotary drum 11, a pair of adsorption pipes 15 are arranged at the position corresponding to the connection position of the feeding mechanism 2, and the adsorption pipes 15 are respectively connected with a fan 151.

[0023] Further, the feeding mechanism 2 is provided with a fiber storage box 21 above, the feeding mechanism 2 is provided with an opening roller 22 at the connection position with the rotary drum forming machine 1, the opening roller 22 is driven to rotate by an opening roller motor 221, a recovery air pipe 25 is communicated with the position corresponding to the opening roller 22 at one side of the feeding mechanism 2, the recovery air pipe 25 is communicated with a recovery fan (the recovery fan is located behind the fan 151, not shown in the figure), and the recovery air pipe 25 sucks and recycles the excess fiber on the opening roller 22.

[0024] Please refer to Figure 1 and Figure 2 The weighing curtain 4 is supported on the horizontal base surface by a weighing curtain base 41, the supporting weighing device 5 is respectively fixed at the position between the weighing curtain 4 and the weighing curtain base 41, the supporting weighing device 5 comprises a bottom plate 51 fixed on the weighing curtain base 41, a pressure sensor 52 fixed on the bottom plate 51, a supporting cylinder 53 fixed on the bottom plate 51, a supporting rod 54 abutting against the pressure sensor 52 and a top plate 55 fixed on the bottom of the weighing curtain 4 and corresponding to the bottom plate 51, a ball 56 is arranged between the pressure sensor 52 and the supporting rod 54 to indirectly abut and support.

[0025] Please refer to Figure 2The pressure sensor 52 has a pressure end 521 and a fixed end 523. A ball lower cavity 522 is formed above the pressure end 521. A ball upper cavity 541 is formed at the lower end of the support rod 54. The ball 56 is clamped between the ball lower cavity 522 and the ball upper cavity 541. A wire 524 is connected to the fixed end 523 of the pressure sensor 52. The wire 524 is connected to the control box 6. The fixed end 523 is fixed to a fixed end seat 526 by a pair of fixed end screws 525. The fixed end seat 526 is fixed to the bottom plate 51 by a fixed end seat screw 5261. The fixed end seat screw 5261 is fixed to the weighing curtain seat 41 after passing through the bottom plate 51. The upper end of the support rod 54 has a support rod seat 542. The support rod seat 542 is fixed to the top plate 55 by a set of support rod seat screws 5421. The support rod seat screws 5421 are fixed to the weighing curtain 4 after passing through the top plate 55.

[0026] Further, the support air cylinder 53 is fixed to a support air cylinder seat 532. The support air cylinder 53 has an air cylinder column 531 upwardly. The top plate 55 has an air cylinder column accommodation cavity 551 corresponding to the position of the air cylinder column 531. The air cylinder column 531 passes through the air cylinder column accommodation cavity 551 and abuts against the bottom of the weighing curtain 4. The support air cylinder seat 532 is fixed to the bottom plate 51 by a support air cylinder seat screw 5321. The support air cylinder seat screw 5321 is fixed to the weighing curtain seat 41 after passing through the bottom plate 51.

[0027] Please continue to refer to Figure 1 and Figure 2In use, the fibers are accumulated in the fiber storage box 21, the variable frequency motor 24 is operated to drive the variable frequency motor speed reducer 241 to rotate the feeding roller 23, the feeding roller 23 feeds the fibers to the opening roller 22, the fibers are broken by the opening roller 22 and then fall into the mold cavity on the surface of the rotating drum 11, the suction pipe 15 generates negative pressure by the fan 151 to adsorb the fibers on the surface of the mold cavity, the hot air enters the air cylinder 13 through the hot air channel 131 to melt the fibers in the mold cavity on the surface of the rotating drum 11, when the fibers in the rotating drum 11 rotate to the position of the cold air channel 14, the fibers are cooled, shaped and demolded to fall on the conveying curtain 3, the shaped fibers are conveyed to the weighing curtain 4 by the conveying curtain 3, at this time, the four corners of the weighing curtain 4 are pressed on the ball 56 by the top plate 55 and the supporting rod 54, the ball 56 further applies the weight to the pressure end 521, the pressure sensor 52 receives the pressure signal, the pressure sensor 52 transmits the pressure signal to the control box 6 through the wire 524, when the mass obtained by collecting and adding the pressure signals of the four corners of the control box 6 is lower than the set value, the control box 6 controls the variable frequency motor 24 to accelerate rotation to increase the feeding amount of the feeding roller 23, and when the mass obtained by collecting and adding the pressure signals of the four corners of the control box 6 is higher than the set value, the control box 6 controls the variable frequency motor 24 to decelerate rotation to reduce the feeding amount of the feeding roller 23.

[0028] It should be noted that the sensing of the supporting and weighing device 5 and the control of the rotating speed of the variable frequency motor 24 by the control box 6 are mature known technologies in the market and are existing products, which will not be described herein.

[0029] In summary, the technical scheme provided by the utility model makes up for the defects in the prior art, successfully completes the invention task and truly realizes the technical effects described in the technical effect column of the application.

Claims

1. A quality control structure for a rotary forming machine, comprising a rotary forming machine (1), a feeding mechanism (2) located above the rotary forming machine (1), and a conveying curtain (3) located at the material drop point beside the rotary forming machine (1), wherein the feeding mechanism (2) is configured with a feeding roller (23), characterized in that: The conveying curtain (3) is additionally provided with a weighing curtain (4) connected therewith, a supporting weighing device (5) is arranged at the lower corner of the weighing curtain (4), the feeding roller (23) is driven by a variable frequency motor (24), a control box (6) is arranged beside the rotary drum forming machine (1), the supporting weighing device (5) and the variable frequency motor (24) are electrically connected with the control box (6), when the supporting weighing device (5) senses the change of the mass of the product, a feedback signal is sent to the control box (6), the control box (6) controls the rotating speed of the variable frequency motor (24) to adjust the feeding amount of the feeding roller (23).

2. A mass control structure for a drum former as defined in claim 1, characterized in that: The rotary drum forming machine (1) comprises a rotary drum (11) and a rotary drum base (12), the inner core of the rotary drum (11) is provided with a wind drum (13), the rotary drum (11) rotates around the wind drum (13), one side of the wind drum (13) is provided with a group of hot air channels (131) for the hot air to pass through, one side of the wind drum (13) is provided with a pair of cold air channels (14) corresponding to the position of the material falling of the rotary drum (11), and one side of the wind drum (13) is provided with a pair of adsorption pipes (15) corresponding to the position connected with the feeding mechanism (2).

3. A mass control structure for a drum former as defined in claim 2, wherein: A fiber storage box (21) is arranged above the feeding mechanism (2), an opening roller (22) is arranged at the connection position between the lower end of the feeding mechanism (2) and the rotary drum forming machine (1), the opening roller (22) is driven to rotate by an opening roller motor (221), a recycling air pipe (25) is communicated with the position of the feeding mechanism (2) corresponding to the opening roller (22), and the adsorption pipes (15) are respectively connected with a fan (151).

4. A mass control structure for a drum former as defined in claim 1, wherein: The variable frequency motor (24) is installed on a variable frequency motor speed reducer (241), the variable frequency motor speed reducer (241) is fixed on one side of the feeding mechanism (2), and the variable frequency motor speed reducer (241) and the feeding roller (23) are connected through chain transmission.

5. A mass control structure for a drum former as defined in claim 1, wherein: The conveying curtain (3) is fixed and supported on the horizontal base surface through a conveying curtain base (31).

6. A mass control structure for a drum former as defined in claim 1, wherein: The weighing curtain (4) is supported on the horizontal base surface through a weighing curtain base (41), the supporting weighing devices (5) are respectively arranged at the positions between the weighing curtain (4) and the weighing curtain base (41), the supporting weighing device (5) comprises a bottom plate (51) fixed on the weighing curtain base (41), a pressure sensor (52) fixed on the bottom plate (51), a supporting cylinder (53) fixed on the bottom plate (51), a supporting rod (54) abutting against the pressure sensor (52), and a top plate (55) fixed on the bottom of the weighing curtain (4) and corresponding to the bottom plate (51), and a ball (56) is arranged between the pressure sensor (52) and the supporting rod (54) to indirectly abut and support.

7. A mass control structure for a drum former as defined in claim 6, wherein: The pressure sensor (52) is provided with a pressure end (521) at one end and a fixed end (523) at the other end, a ball lower cavity (522) is formed above the pressure end (521), the lower end of the support rod (54) is provided with a ball upper cavity (541), the ball (56) is clamped between the ball lower cavity (522) and the ball upper cavity (541), the fixed end (523) of the pressure sensor (52) is connected with a wire (524) on one side, the wire (524) is connected with the control box (6), the fixed end (523) is fixed on a fixed end seat (526) through a pair of fixed end screws (525), the fixed end seat (526) is further fixed on the bottom plate (51) through a fixed end seat screw (5261), the fixed end seat screw (5261) is fixedly connected with the weighing curtain seat (41) after penetrating through the bottom plate (51), the upper end of the support rod (54) is provided with a support rod seat (542), the support rod seat (542) is fixed on the top plate (55) through a group of support rod seat screws (5421), and the support rod seat screws (5421) are fixed with the weighing curtain (4) after penetrating through the top plate (55).

8. A mass control structure for a drum former as defined in claim 6, wherein: The support cylinder (53) is fixed on a support cylinder seat (532), the support cylinder (53) is provided with a cylinder column (531) upward, the top plate (55) is provided with a cylinder column accommodation cavity (551) corresponding to the position of the cylinder column (531), the cylinder column (531) abuts against the bottom of the weighing curtain (4) after penetrating through the cylinder column accommodation cavity (551) upward, and the support cylinder seat (532) is fixed on the bottom plate (51) through a support cylinder seat screw (5321).

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