Automatic material turning method

Abstract

The invention discloses an automatic material turning method which is used for turning a material sheet from a vertical state to a horizontal state by 90 degrees and is based on a material turning mechanism, the material turning mechanism comprises a horizontally-arranged base plate, a feeding hopper allowing the material sheet to penetrate through and a material turning air cylinder, and the upper surface of the front end of the base plate is provided with a left vertical plate and a right vertical plate; a material stirring plate is rotatably arranged between the left vertical plate and the right vertical plate and located below the front side wall of the feeding hopper, the lower portions of the end faces of the two ends of the material stirring plate are each provided with a second pin shaft, and the surfaces of the sides, back to the material stirring plate, of the left vertical plate and the right vertical plate are each provided with a pin; a tension spring is connected between the pin located on the rear side of the strip-shaped guide hole and the second pin shaft. According to the material sheet overturning device, automatic overturning of material sheets can be achieved so as to facilitate subsequent machining, the stability of the material sheets can be kept in the overturning process of the material sheets, unnecessary deviation and shaking of the material sheets are avoided, and the stability of the state and the position of the material sheets before and after overturning is guaranteed.

Description

TECHNICAL FIELD

[0001] The present application relates to an automatic material turning method, belonging to the technical field of metal piece processing. BACKGROUND

[0002] In the production and processing of material pieces, placing the material pieces vertically can reduce the damage of the material pieces and facilitate batch transportation. However, in order to facilitate further processing, the material pieces need to be placed in a horizontal state, which requires a 90-degree turning of the material pieces. Manual turning cannot meet the needs of automatic processing. SUMMARY

[0003] The purpose of the present application is to provide an automatic material turning method which can realize automatic turning of material pieces to facilitate subsequent processing, and can maintain the stability of the material pieces during turning, avoid unnecessary deviation and shaking of the material pieces, and ensure the stability of the material pieces before and after turning.

[0004] To achieve the above purpose, the technical solution adopted by the present application is: an automatic material turning method for turning a material piece from a vertical state to a horizontal state by 90 degrees, based on a material turning mechanism, the material turning mechanism comprising: a base plate arranged horizontally, a feed hopper through which the material piece passes, and a material turning cylinder, the upper surface of the front end of the base plate is respectively provided with a left vertical plate and a right vertical plate, the feed hopper is installed between the upper parts of the left vertical plate and the right vertical plate which are arranged in parallel and spaced apart, the lower end surface of the rear side wall of the feed hopper is lower than the lower end surface of the front side wall thereof, and the distance between the lower end surface of the rear side wall of the feed hopper and the upper surface of the base plate is less than the height of the material piece, a material pushing plate is rotatably arranged between the left vertical plate and the right vertical plate and below the lower end surface of the front side wall of the feed hopper, and the rear end of a push rod arranged close to the upper surface of the base plate is connected with the piston rod of the material turning cylinder. The upper part of each end surface of the material pushing plate is rotatably connected with the left vertical plate and the right vertical plate through a first pin shaft, and the lower part of each end surface of the material pushing plate is installed with a second pin shaft, a strip-shaped guide hole corresponding to the second pin shaft is formed in each of the left vertical plate and the right vertical plate, the lower end of the arc-shaped strip-shaped guide hole is located directly below the first pin shaft, the upper end of the strip-shaped guide hole extends forward, the other end of the second pin shaft connected with the material pushing plate passes through the strip-shaped guide hole correspondingly, and a pin is installed on the surface of each of the left vertical plate and the right vertical plate away from the material pushing plate, a tension spring is connected between the pin located at the rear side of the strip-shaped guide hole and the second pin shaft. The automatic material turning method comprises the following steps: Step 1: In the initial state, the piston rod of the tipping cylinder is in the retracted state, the second pin is located at the lower end of the strip guide hole under the action of the tension spring, and the material feeding plate is in the vertical state. At this time, the front end face of the push rod, which can move back and forth with the piston rod of the tipping cylinder, is away from the feed hopper, and the rear surface of the material feeding plate is flush with the inner surface of the rear side wall of the feed hopper. Step 2: Move the vertical sheet to the top of the feed hopper and close to the front side wall of the feed hopper, then release it so that the sheet falls into the feed hopper under its own weight until the lower surface of the sheet contacts the upper surface of the substrate. At this time, the front side surface of the sheet is in contact with the rear side surface of the feeding plate. Step 3: Switch the piston rod of the tipping cylinder to the extended state. During this process, the push rod moves forward so that its front end contacts the rear surface of the lower part of the material piece in the feed hopper and applies a forward thrust to the lower part of the material piece. The lower part of the vertical material-pushing plate rotates around the first pin under the push of the material piece. The second pin moves from bottom to top in the strip guide hole along with the lower part of the material-pushing plate until the upper end of the inclined material piece is lower than the lower end surface of the rear side wall of the feed hopper. The upper end of the material piece continues to move downward under its own gravity until the material piece flips to a horizontal state.

[0005] The following are further improvements to the above technical solution: 1. In the above scheme, the pin is located between the upper and lower ends of the strip guide hole in the vertical direction.

[0006] 2. In the above scheme, the end of the second pin that passes through the strip guide hole has a flange portion that extends radially outward, and one end of the tension spring is disposed between this flange portion and the strip guide hole.

[0007] 3. In the above scheme, the distance between the lower end face of the front sidewall of the feed hopper and the upper surface of the substrate is greater than the height of the sheet.

[0008] 4. In the above scheme, there are two of each of the material turning cylinder and push rod, which are spaced apart along the length of the material sheet.

[0009] 5. In the above scheme, the flipping cylinder installed on the rear side wall of the substrate is a pen-shaped cylinder.

[0010] 6. In the above scheme, a plurality of through holes are formed on the upper surface of the substrate in the area between the left and right vertical plates.

[0011] 7. In the above scheme, a pusher cylinder is installed at the rear end of the upper surface of the substrate, a pusher block is installed at the front end of the piston rod of the pusher cylinder, and at least two pusher rods are installed at intervals on the front side surface of the pusher block.

[0012] Due to the application of the above technical solution, the present invention has the following advantages compared with the prior art: The automatic material turning method of the present invention can not only automatically turn the material sheet to facilitate subsequent processing, but also maintain its stability during the turning process, avoid unnecessary displacement and shaking of the material sheet, and ensure the stability of the state and position of the material sheet before and after turning. Attached Figure Description

[0013] Appendix Figure 1 This is a schematic diagram of the automatic material turning method of the present invention; Appendix Figure 2 For the appendix Figure 1 Enlarged view of point A in the middle; Appendix Figure 3 This is a partial structural schematic diagram of the automatic material turning method of the present invention.

[0014] In the above attached figures: 100, sheet material; 1, substrate; 2, left upright plate; 3, right upright plate; 4, feed hopper; 41, rear side wall; 42, front side wall; 5, material feeding plate; 6, push rod; 7, tilting cylinder; 8, first pin; 9, second pin; 91, flange; 10, strip-shaped guide hole; 11, pin; 12, tension spring; 13, through hole; 14, push cylinder; 15, push block; 16, push rod. Detailed Implementation

[0015] The present patent can be further understood through the specific embodiments given below, but they are not intended to limit the present patent.

[0016] Example 1: An automatic material turning method for flipping a sheet 100 from a vertical state to a horizontal state by 90°, based on a material turning mechanism, the material turning mechanism including: a horizontally arranged base plate 1, a feeding hopper 4 for the sheet 100 to pass through, and a material turning cylinder 7. The upper surface of the front end of the base plate 1 is respectively provided with a left upright plate 2 and a right upright plate 3. The feeding hopper 4 is installed between the upper parts of the left upright plate 2 and the right upright plate 3, which are parallel and spaced apart. The lower end face of the rear side wall 41 of the feeding hopper 4 is lower than the lower end face of its front side wall 42, and the distance between the lower end face of the rear side wall 41 of the feeding hopper 4 and the upper surface of the base plate 1 is less than the height of the sheet 100. A material pushing plate 5 is rotatably arranged between the left upright plate 2 and the right upright plate 3 and below the front side wall 42 of the feeding hopper 4. The rear end of a push rod 6 arranged near the upper surface of the base plate 1 is connected to the piston rod of the material turning cylinder 7. The upper part of each end face of the material feeding plate 5 is rotatably connected to the left vertical plate 2 and the right vertical plate 3 through a first pin 8. The lower part of each end face of the material feeding plate 5 is equipped with a second pin 82. The left vertical plate 2 and the right vertical plate 3 are each provided with a strip-shaped guide hole 10 corresponding to the second pin 9. The lower end of the arc-shaped guide hole 10 is located directly below the first pin 81. The upper end of the strip-shaped guide hole 10 extends forward. The other end of the second pin 9, which is connected to the material feeding plate 5 at one end, passes through the strip-shaped guide hole 10. A pin 11 is installed on the surface of the left vertical plate 2 and the right vertical plate 3 on the side opposite to the material feeding plate 5. A tension spring 12 is connected between the pin 11 located behind the strip-shaped guide hole 10 and the second pin 9. The automatic material turning method includes the following steps: Step 1: In the initial state, the piston rod of the tipping cylinder 7 is placed in the retracted state, the second pin 9 is located at the lower end of the strip guide hole 10 under the action of the tension spring 12, and the material feeding plate 5 is in a vertical state. At this time, the front end face of the push rod 6, which can move back and forth with the piston rod of the tipping cylinder 7, is away from the feed hopper 4, and the rear surface of the material feeding plate 5 is flush with the inner surface of the rear side wall 41 of the feed hopper 4. Step 2: Move the vertical sheet 100 to the top of the feed hopper 4 and close to the front side wall 42 of the feed hopper 4, then release it so that the sheet 100 falls into the feed hopper 4 under its own gravity until the lower surface of the sheet 100 contacts the upper surface of the substrate 1. At this time, the front side surface of the sheet 100 is in contact with the rear side surface of the feeding plate 5. Step 3: Switch the piston rod of the tipping cylinder 7 to the extended state. During this process, the push rod 6 moves forward so that its front end contacts the rear surface of the lower part of the material piece 100 in the feed hopper 4 and applies a forward thrust to the lower part of the material piece 100. The lower part of the vertical material-pushing plate 5 rotates around the first pin 8 under the push of the material piece 100. The second pin 9 moves from bottom to top in the strip guide hole 10 along with the lower part of the material-pushing plate 5 until the upper end of the inclined material piece 100 is lower than the lower end surface of the rear side wall 41 of the feed hopper 4. The upper end of the material piece 100 continues to move downward under its own gravity until the material piece 100 flips to a horizontal state.

[0017] The aforementioned pin 11 is located vertically between the upper and lower ends of the strip-shaped guide hole 10.

[0018] The second pin 9 has a radially outward flange 91 at one end that passes through the strip guide hole 10, and one end of the tension spring 12 is disposed between the flange 91 and the strip guide hole 10.

[0019] The distance between the lower end face of the front side wall 42 of the feed hopper 4 and the upper surface of the substrate 1 is greater than the height of the sheet 100.

[0020] Two of each of the aforementioned tipping cylinder 7 and push rod 6 are provided, and they are spaced apart along the length of the material sheet 100.

[0021] The flipping cylinder 7, which is installed on the rear side wall of the substrate 1, is configured as a pen-shaped cylinder.

[0022] Example 2: An automatic material turning method for flipping a sheet 100 from a vertical state to a horizontal state by 90°, based on a material turning mechanism, the material turning mechanism including: a horizontally arranged base plate 1, a feeding hopper 4 for the sheet 100 to pass through, and a material turning cylinder 7. The upper surface of the front end of the base plate 1 is respectively provided with a left upright plate 2 and a right upright plate 3. The feeding hopper 4 is installed between the upper parts of the left upright plate 2 and the right upright plate 3, which are parallel and spaced apart. The lower end face of the rear side wall 41 of the feeding hopper 4 is lower than the lower end face of its front side wall 42, and the distance between the lower end face of the rear side wall 41 of the feeding hopper 4 and the upper surface of the base plate 1 is less than the height of the sheet 100. A material pushing plate 5 is rotatably arranged between the left upright plate 2 and the right upright plate 3 and below the front side wall 42 of the feeding hopper 4. The rear end of a push rod 6 arranged near the upper surface of the base plate 1 is connected to the piston rod of the material turning cylinder 7. The upper part of each end face of the material feeding plate 5 is rotatably connected to the left vertical plate 2 and the right vertical plate 3 through a first pin 8. The lower part of each end face of the material feeding plate 5 is equipped with a second pin 82. The left vertical plate 2 and the right vertical plate 3 are each provided with a strip-shaped guide hole 10 corresponding to the second pin 9. The lower end of the arc-shaped guide hole 10 is located directly below the first pin 81. The upper end of the strip-shaped guide hole 10 extends forward. The other end of the second pin 9, which is connected to the material feeding plate 5 at one end, passes through the strip-shaped guide hole 10. A pin 11 is installed on the surface of the left vertical plate 2 and the right vertical plate 3 on the side opposite to the material feeding plate 5. A tension spring 12 is connected between the pin 11 located behind the strip-shaped guide hole 10 and the second pin 9. The automatic material turning method includes the following steps: Step 1: In the initial state, the piston rod of the tipping cylinder 7 is placed in the retracted state, the second pin 9 is located at the lower end of the strip guide hole 10 under the action of the tension spring 12, and the material feeding plate 5 is in a vertical state. At this time, the front end face of the push rod 6, which can move back and forth with the piston rod of the tipping cylinder 7, is away from the feed hopper 4, and the rear surface of the material feeding plate 5 is flush with the inner surface of the rear side wall 41 of the feed hopper 4. Step 2: Move the vertical sheet 100 to the top of the feed hopper 4 and close to the front side wall 42 of the feed hopper 4, then release it so that the sheet 100 falls into the feed hopper 4 under its own gravity until the lower surface of the sheet 100 contacts the upper surface of the substrate 1. At this time, the front side surface of the sheet 100 is in contact with the rear side surface of the feeding plate 5. Step 3: Switch the piston rod of the tipping cylinder 7 to the extended state. During this process, the push rod 6 moves forward so that its front end contacts the rear surface of the lower part of the material piece 100 in the feed hopper 4 and applies a forward thrust to the lower part of the material piece 100. The lower part of the vertical material-pushing plate 5 rotates around the first pin 8 under the push of the material piece 100. The second pin 9 moves from bottom to top in the strip guide hole 10 along with the lower part of the material-pushing plate 5 until the upper end of the inclined material piece 100 is lower than the lower end surface of the rear side wall 41 of the feed hopper 4. The upper end of the material piece 100 continues to move downward under its own gravity until the material piece 100 flips to a horizontal state.

[0023] The aforementioned pin 11 is located vertically between the upper and lower ends of the strip-shaped guide hole 10.

[0024] The distance between the lower end face of the front side wall 42 of the feed hopper 4 and the upper surface of the substrate 1 is greater than the height of the sheet 100.

[0025] The flipping cylinder 7, which is installed on the rear side wall of the substrate 1, is configured as a pen-shaped cylinder.

[0026] A plurality of through holes 13 are provided on the upper surface of the substrate 1 in the area between the left vertical plate 2 and the right vertical plate 3.

[0027] A pusher cylinder 14 is installed at the rear end of the upper surface of the substrate 1. A pusher block 15 is installed at the front end of the piston rod of the pusher cylinder 14. At least two pusher rods 16 are installed at intervals on the front surface of the pusher block 15.

[0028] When the above-mentioned automatic material turning method is used, it can not only realize the automatic turning of the material sheet to facilitate subsequent processing, but also maintain its stability during the turning process, avoid unnecessary deviation and shaking of the material sheet, and ensure the stability of the material sheet's state and position before and after turning.

[0029] The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and implement it accordingly. They should not be construed as limiting the scope of protection of the present invention. All equivalent changes or modifications made in accordance with the spirit and essence of the present invention should be covered within the scope of protection of the present invention.

Claims

1. An automatic turning method, characterized by: The application relates to a material piece (100) turning-over mechanism for turning over a material piece (100) from a vertical state to a horizontal state, which is based on a turning-over mechanism, wherein a base plate (1) is horizontally arranged, a feeding hopper (4) is arranged for the material piece (100) to pass through, and a turning-over cylinder (7) is arranged; the upper surface of the front end of the base plate (1) is respectively provided with a left vertical plate (2) and a right vertical plate (3); the feeding hopper (4) is arranged between the upper parts of the left vertical plate (2) and the right vertical plate (3) which are arranged in parallel and are spaced apart; the lower end surface of the rear side wall (41) of the feeding hopper (4) is lower than the lower end surface of the front side wall (42) of the feeding hopper (4); the distance between the lower end surface of the rear side wall (41) of the feeding hopper (4) and the upper surface of the base plate (1) is smaller than the height of the material piece (100); a pushing plate (5) is rotatably arranged between the left vertical plate (2) and the right vertical plate (3) and below the lower end of the front side wall (42) of the feeding hopper (4); the rear end of a pushing rod (6) arranged close to the upper surface of the base plate (1) is connected with the piston rod of the turning-over cylinder (7); the upper part of the end surface of each end of the pushing plate (5) is rotatably connected with the left vertical plate (2) and the right vertical plate (3) through a first pin shaft (8); the lower part of the end surface of each end of the pushing plate (5) is respectively provided with a second pin shaft (82); the left vertical plate (2) and the right vertical plate (3) are respectively provided with a strip-shaped guide hole (10) corresponding to the second pin shaft (9); the lower end of the strip-shaped guide hole (10) extending in an arc shape is located directly below the first pin shaft (81); the upper end of the strip-shaped guide hole (10) extends forward; one end of the second pin shaft (9) connected with the pushing plate (5) passes through the strip-shaped guide hole (10) correspondingly; the surface of each of the left vertical plate (2) and the right vertical plate (3) away from the pushing plate (5) is respectively provided with a pin (11); the pin (11) located at the rear side of the strip-shaped guide hole (10) is connected with the second pin shaft (9) through a tension spring (12); the automatic turning-over method comprises the following steps: Step 1: in the initial state, the piston rod of the turning-over cylinder (7) is in the retracted state; the second pin shaft (9) is located at the lower end of the strip-shaped guide hole (10) under the action of the tension spring (12) and the pushing plate (5) is in the vertical state; at this time, the front end surface of the pushing rod (6) which can move forward and backward along with the piston rod of the turning-over cylinder (7) is away from the feeding hopper (4); the rear side surface of the pushing plate (5) is flush with the inner side surface of the rear side wall (41) of the feeding hopper (4); Step 2: the material piece (100) in the vertical state is carried to the position above the feeding hopper (4) and close to the front side wall (42) of the feeding hopper (4) and then is released, so that the material piece (100) falls into the feeding hopper (4) under the action of the gravity of the material piece (100) until the lower surface of the material piece (100) contacts the upper surface of the base plate (1); at this time, the front side surface of the material piece (100) is attached to the rear side surface of the pushing plate (5). Step 3, the piston rod of the turnover cylinder (7) is switched to the elongated state, in the process, the push rod (6) moves forward so that its front end contacts the rear surface of the lower part of the tablet (100) in the feeding hopper (4) and exerts a forward pushing force on the lower part of the tablet (100), the lower part of the stirring plate (5) in the vertical state is rotated forward around the first pin shaft (8) under the pushing of the tablet (100), the second pin shaft (9) moves upward in the strip-shaped guide hole (10) along with the lower part of the stirring plate (5), until the upper end of the tablet (100) in the inclined state is lower than the lower end surface of the rear wall (41) of the feeding hopper (4), the upper end of the tablet (100) continues to move downward under the action of its own gravity until the tablet (100) is turned over to the horizontal state.

2. The automatic turning method according to claim 1, characterized in that: The pin (11) is located between the upper and lower ends of the strip-shaped guide hole (10) in the vertical direction.

3. The automatic turning method according to claim 1, characterized in that: The second pin shaft (9) has a radially outward flange portion (91) at one end thereof penetrating the strip-shaped guide hole (10), and one end of the tension spring (12) is arranged between the flange portion (91) and the strip-shaped guide hole (10).

4. The automatic turning method according to claim 1, characterized in that: The distance between the lower end surface of the front wall (42) of the feeding hopper (4) and the upper surface of the base plate (1) is greater than the height of the tablet (100).

5. The mechanism according to claim 1, wherein: The turnover cylinder (7) and the push rod (6) are both provided with two and are arranged at intervals in the length direction of the tablet (100).

6. The automatic turning method according to claim 1 or 5, characterized in that: The turnover cylinder (7) mounted on the rear end wall of the base plate (1) is provided as a pen-shaped cylinder.

7. The automatic turning method according to claim 1, characterized in that: A plurality of through holes (13) are formed in the area of the upper surface of the base plate (1) between the left vertical plate (2) and the right vertical plate (3).

8. The automatic turning method according to claim 1, characterized in that: A pushing cylinder (14) is mounted on the rear end of the upper surface of the base plate (1), the front end of the piston rod of the pushing cylinder (14) is provided with a push block (15), and at least two pushing rods (16) are mounted at intervals on the front surface of the push block (15).

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