One-time cold heading and stretching forming device and method for computer rear cover

Abstract

The present invention discloses a one-time cold heading and stretching forming device and method for a computer back cover in the technical field of computer back cover processing, including a bottom plate. A fixed rod is fixedly connected to the upper surface of the bottom plate. A rotating disk is rotatably connected to the surface of the fixed rod. Four forming frames are evenly arranged on the surface of the rotating disk, and the four forming frames are circumferentially arranged on the surface of the rotating disk; a processing material and a plurality of positioning blocks are arranged in the forming frame. The positioning blocks are fixedly connected to the bottom surface of the forming frame, and the processing material is in clearance fit with the positioning blocks; a second driving mechanism is arranged on the surface of the fixed rod. The second driving mechanism is used to drive the flipping mechanism on the surface of the rotating frame to continuously flip three times when the rotating disk drives the four forming frames to rotate, so that the processing material at any position can be flipped to the correct position; this device can automatically adjust the processing material to the correct processing position, effectively improving the processing efficiency of the back cover, saving time and effort.

Description

Technical Field

[0001] The present invention relates to the technical field of computer back cover processing, and specifically to a device and method for one-time cold heading and stretching forming of a computer back cover. Background Art

[0002] In addition to ensuring the beauty of the computer, the computer back cover mainly plays the role of protecting the internal parts of the computer. In order to improve the protection effect on the computer, the back covers of existing notebook computers are usually made of metal materials; when processing the back cover of a metal material, cold heading processing is usually used. During processing, the metal material needs to be placed at a precise processing position. Since some heat dissipation holes and connection holes for related devices need to be opened on the surface of the computer back cover, during processing, the holes on the surface of the metal material are usually used to position the material. If the direction and front-back of the metal material are incorrect, the holes on its surface cannot achieve the positioning effect.

[0003] When processing the computer back cover currently, it is necessary to manually turn the metal material continuously to the correct position so that the metal material can be in the correct processing position, which is rather cumbersome and time-consuming. Summary of the Invention

[0004] The purpose of the present invention is to provide a device and method for one-time cold heading and stretching forming of a computer back cover, which can automatically turn the processing material of the computer back cover to the correct processing position to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the present invention provides the following technical solutions: A device and method for one-time cold heading and stretching forming of a computer back cover, including a bottom plate. A fixed rod is fixedly connected to the upper surface of the bottom plate. A rotating disk is rotatably connected to the surface of the fixed rod. Four forming frames are evenly arranged on the surface of the rotating disk and the four forming frames are distributed in a circumferential array on the surface of the rotating disk; A processing material and a plurality of positioning blocks are arranged in the forming frame. The positioning blocks are fixedly connected to the bottom surface of the forming frame and the processing material is in clearance fit with the positioning blocks; A flipping mechanism is arranged in the forming frame, and the flipping mechanism is used to flip the processing material with incorrect position in the forming frame; A first connecting frame is fixedly connected to the rear position of the upper surface of the bottom plate. A feeding frame is fixedly connected to the right side position of the surface of the first connecting frame and a cylinder is rotatably connected to the left side position of the first connecting frame. Two forming plates are arranged at the front and rear positions at the bottom end of the cylinder, and both of the two forming plates are fixedly connected to the cylinder; A first driving mechanism is arranged on the surface of the bottom plate, and the first driving mechanism is used to drive the rotating disk to rotate to drive the four forming frames to move to the front side forming plate and the bottom position of the feeding frame in turn; A second driving mechanism is arranged on the surface of the fixed rod, and the second driving mechanism is used to drive the flipping mechanism on the surface of the forming frame to perform three consecutive flips when the rotating disk drives the four forming frames to rotate, so that the processing material at any position can be flipped to the correct position.

[0006] The flipping mechanism includes four first sliding grooves which are distributed on the four side wall surfaces of the forming frame and penetrate through the side walls of the forming frame; second sliding grooves are symmetrically arranged on both sides of the first sliding grooves on the surface of the forming frame, a first sliding frame is slidably connected in the second sliding grooves, a first telescopic rod is fixedly connected to the surface of the first sliding frame, the other end of the first telescopic rod is fixedly connected to a connecting plate, two rollers are rotatably connected to the surface of the connecting plate, and a first gear is rotatably connected to the surface of the connecting plate near one side of the first sliding frame, and the first gear is in clearance fit with the first sliding frame; a buckle is fixedly connected to one end of the first gear located inside the forming frame, the buckle is located inside the first sliding groove and is in clearance fit with the first sliding groove; a first spring is fixedly connected to the surface of the first telescopic rod, and the other end of the first spring is fixedly connected to the connecting plate; the height of the buckle is equal to the height of the positioning block.

[0007] The second driving mechanism includes three second connecting frames, and all three second connecting frames are fixedly connected to the fixed rod; the three second connecting frames are perpendicular to each other, and the second connecting frame in the middle position is located directly behind the fixed rod; two guide rods are fixedly connected to the surface of the second connecting frame, the two guide rods on the left and right sides are distributed on the left and right sides of the forming frame, and the two guide rods at the rear are distributed on the front and rear sides of the forming frame; the two rollers on the surface of the connecting plate are respectively attached to two mutually perpendicular surfaces of the guide rods; a limiting mechanism is arranged on the surface of the second connecting frame, and the limiting mechanism is used to ensure that the forming frame can accurately move to the position between the two guide rods.

[0008] The limiting mechanism includes two first bevel gears, and both first bevel gears are fixedly connected to the fixed rod; second bevel gears are meshed with the front and rear ends of the upper first bevel gear and the left and right ends of the lower first bevel gear, the second bevel gears are fixedly connected to a rotating disk, and a second telescopic rod is fixedly connected to the surface of the second bevel gear, the other end of the second telescopic rod is fixedly connected to a third bevel gear, a fourth bevel gear is meshed with the surface of the third bevel gear, and the fourth bevel gear is fixedly connected to the forming frame; four first connecting blocks are evenly and fixedly connected to the surface of the rotating disk, two third telescopic rods are fixedly connected to the surface of the first connecting block, the other ends of the two third telescopic rods are fixedly connected to a second connecting block, the second connecting block is rotatably connected to the forming frame, and the third bevel gear is rotatably connected to the second connecting block; a second spring is arranged between the first connecting block and the second connecting block, and both ends of the second spring are fixedly connected to the first connecting block and the second connecting block respectively; a limiting block is fixedly connected to the surface of the second connecting frame, and the inner surface of the limiting block is attached to the second connecting block; the surface at the middle position of the inner side of the limiting block is a plane.

[0009] A first rack is fixedly connected to the middle position of the surface of the guide rod. The first rack meshes with a first gear, and the number of teeth on the surface of the first rack is equal to half of the number of teeth on the surface of the first gear. The middle part and the two end parts of the guide rod are both horizontal. The two end parts of the guide rod are located at the bottom position of the middle part of the guide rod. The two end parts of the guide rod are inclined away from the forming frame.

[0010] The first driving mechanism includes a first motor. The upper end of the output shaft of the first motor is fixedly connected with a second gear. A toothed ring is meshed with the surface of the second gear. The toothed ring is fixedly connected with a rotating disk. The second gear is an incomplete gear, and the number of teeth on the surface of the second gear is one-fourth of the number of teeth on the surface of the toothed ring.

[0011] A second motor is fixedly connected to the surface of the first connecting frame. The bottom end of the output shaft of the second motor is fixedly connected with a cylinder. A collection box is arranged at the bottom position of the rear forming plate. The collection box is fixedly connected with the bottom plate. An electromagnet is fixedly connected to the surface of the forming plate. The distance between the feeding frame and the front forming plate is equal to the distance between adjacent two forming frames.

[0012] A one-time cold heading and stretching forming method for a computer back cover. The specific steps of the method are as follows:

[0013] Step 1: Start the feeding frame to put the processing material to be processed into the forming frame at the bottom position of the feeding frame.

[0014] Step 2: Then start the first driving mechanism. The first driving mechanism drives the four forming frames to rotate along with the rotating disk by driving the rotating disk.

[0015] Step 3: During the rotation of the forming frame, the second driving mechanism can drive the flipping mechanism to operate, and the flipping mechanism can flip the processing material at the wrong position in the forming frame.

[0016] Step 4: When the rotating disk drives the forming frame to rotate to the bottom position of the forming plate, at this time, the second driving mechanism drives the flipping mechanism to flip three times, and then the cylinder can be started to drive the forming plate to complete the processing of the processing material.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] 1. In the present invention, the feeding frame is started to put the processing material to be processed into the forming frame at the bottom of the feeding frame. Then, the first driving mechanism is started. The first driving mechanism will drive the rotating disk to rotate. When the rotating disk rotates, it will drive the four forming frames to rotate along with the rotating disk. During the rotation of the forming frame, the second driving mechanism can drive the flipping mechanism on the surface of the rotating frame to run continuously three times. The flipping mechanism can flip the processing material in the forming frame once in the front-back direction for the first time. When the flipping mechanism flips for the second time, it can flip the processed material in the forming frame once in the left-right direction. When the flipping mechanism flips for the third time, it can flip the flipped processing material once in the front-back direction. Through the three flips of the flipping mechanism, the processing material at any position can be automatically flipped to the correct position, so that the processing material can be automatically adjusted to the correct processing position, effectively improving the processing efficiency of the rear cover and saving time and effort.

[0019] 2. When the rotating disk rotates in the present invention, all the second bevel gears on its surface will rotate along with the rotating disk. Since the first bevel gear remains stationary, under the action of the first bevel gear, the second bevel gear will drive the third bevel gear to rotate through the second telescopic rod. The third bevel gear will drive the forming frame to rotate relative to the second connecting block through the fourth bevel gear. Therefore, when the rotating disk drives the four forming frames to rotate, the four forming frames will all maintain a position state to rotate along with the rotating disk. With the cooperation of the limiting block, the forming frame can move to the position between the two guide rods and move in a straight line position, so that the flipping mechanism in the forming frame can normally flip the processing material. Description of the Drawings

[0020] Figure 1 is the flowchart of the method of the present invention;

[0021] Figure 2 is the overall structure schematic diagram of the present invention;

[0022] Figure 3 is Figure 2 the enlarged structure schematic diagram of A in

[0023] Figure 4 is the structure schematic diagram of the rear view of the present invention;

[0024] Figure 5 is the split structure schematic diagram of the present invention;

[0025] Figure 6 is the structure schematic diagram of the second connecting frame in the present invention;

[0026] Figure 7 is Figure 6 the enlarged structure schematic diagram of B in

[0027] Figure 8Schematic diagram of the split structure of the rotating disk in the present invention;

[0028] Figure 9 Schematic diagram of the split structure of the forming box in the present invention;

[0029] Figure 10 is Figure 9 Enlarged schematic diagram of C in

[0030] In the attached drawings, the list of components represented by each reference numeral is as follows:

[0031] 1. Bottom plate; 2. Fixed rod; 3. Rotating disk; 4. Forming frame; 5. Processing material; 6. Positioning block; 7. First connecting frame; 8. Feeding frame; 9. Cylinder; 10. Forming plate; 11. First chute; 12. Second chute; 13. First sliding frame; 14. First telescopic rod; 15. Connecting plate; 16. Roller; 17. First gear; 18. Buckle; 19. First spring; 20. Second connecting frame; 21. Guide rod; 22. First bevel gear; 23. Second bevel gear; 24. Second telescopic rod; 25. Third bevel gear; 26. Fourth bevel gear; 27. First connecting block; 28. Third telescopic rod; 29. Second connecting block; 30. Second spring; 31. Limiting block; 32. First rack; 33. First motor; 34. Second gear; 35. Tooth ring; 36. Second motor; 37. Collection box; 38. Electromagnet. Specific implementation mode

[0032] Please refer to Figures 1 - 10 , the present invention provides a technical solution: a one-time cold heading and stretching forming device and method for a computer back cover, including a bottom plate 1, a fixed rod 2 is fixedly connected to the upper surface of the bottom plate 1, a rotating disk 3 is rotatably connected to the surface of the fixed rod 2, and four forming frames 4 are evenly arranged on the surface of the rotating disk 3 and the four forming frames 4 are distributed in a circumferential array on the surface of the rotating disk 3; a processing material 5 and a plurality of positioning blocks 6 are arranged in the forming frame 4, the positioning blocks 6 are fixedly connected to the bottom surface of the forming frame 4 and the processing material 5 is in clearance fit with the positioning blocks 6; a flipping mechanism is arranged in the forming frame 4, and the flipping mechanism is used to flip the processing material 5 with the wrong position in the forming frame 4; a first connecting frame 7 is fixedly connected to the rear position of the upper surface of the bottom plate 1, a feeding frame 8 is fixedly connected to the right side position of the surface of the first connecting frame 7 and a cylinder 9 is rotatably connected to the left side position of the first connecting frame 7, and two forming plates 10 are arranged at the front and rear positions of the bottom end of the cylinder 9, and both forming plates 10 are fixedly connected to the cylinder 9; a first driving mechanism is arranged on the surface of the bottom plate 1, and the first driving mechanism is used to drive the rotating disk 3 to rotate to drive the four forming frames 4 to move to the front forming plate 10 and the bottom position of the feeding frame 8 in sequence; a second driving mechanism is arranged on the surface of the fixed rod 2, and the second driving mechanism is used to drive the flipping mechanism on the surface of the forming frame to continuously flip three times when the rotating disk 3 drives the four forming frames 4 to rotate, so that the processing material 5 at any position can be flipped to the correct position;

[0033] During operation, in addition to ensuring the aesthetics of the computer, the back cover of the computer mainly plays the role of protecting the internal components of the computer. In order to improve the protection effect on the computer, the back covers of existing notebook computers are usually made of metal materials; when processing the back cover made of metal materials, cold heading processing is usually used. During processing, the metal material needs to be placed at the precise processing position. Since some heat dissipation holes and connection holes for related devices need to be opened on the surface of the computer back cover, during processing, the holes on the surface of the metal material are usually used to position the material. If the direction and front-back of the metal material are incorrect, the holes on its surface cannot achieve the positioning effect; when processing the computer back cover currently, it is necessary to manually turn the metal material continuously to the correct position so that the metal material can be in the correct processing position, which is rather cumbersome and time-consuming; this device puts the processing material 5 to be processed into the forming frame 4 at the bottom of the loading frame 8 by starting the loading frame 8, and then starts the first driving mechanism. The first driving mechanism will drive the rotating disc 3 to rotate. When the rotating disc 3 rotates, it will drive the four forming frames 4 to rotate with the rotating disc 3. During the rotation of the forming frame 4, the second driving mechanism can drive the flipping mechanism on the surface of the rotating frame to run continuously three times. The first time the flipping mechanism is used, it can flip the processing material 5 in the forming frame 4 once in the front-back direction. The second time the flipping mechanism flips, it can flip the processed material 5 in the forming frame 4 once in the left-right direction. The third time the flipping mechanism flips, it can flip the flipped processing material 5 once in the front-back direction. Through the three flips of the flipping mechanism, the processing material 5 at any position can be automatically flipped to the correct position; since the positioning block 6 is fixedly connected to the bottom of the forming frame 4, when the processing material 5 put into the forming frame 4 is not in the correct position, the processing material 5 will be lifted by the positioning block 6 and cannot fall to the bottom of the forming frame 4. At this time, the processing material 5 can be flipped by the flipping mechanism, and when the processing material 5 is in the correct position, it will directly fall to the bottom position of the forming frame 4, and the flipping mechanism cannot flip the processing material 5 in the correct position; when the processing material 5 is flipped to the correct position, the first driving mechanism will drive the forming frame 4 to move to the bottom position of the forming plate 10, and then start the cylinder 9 to drive the forming plate 10 to press down on the processing material 5 to complete the processing of the processing material 5.

[0034] As a further solution of the present invention, the flipping mechanism includes four first sliding grooves 11 which are distributed on the four side wall surfaces of the forming frame 4 and the first sliding grooves 11 penetrate through the side walls of the forming frame 4; second sliding grooves 12 are symmetrically formed on both sides of the first sliding grooves 11 on the surface of the forming frame 4, a first sliding frame 13 is slidably connected in the second sliding grooves 12, a first telescopic rod 14 is fixedly connected to the surface of the first sliding frame 13, the other end of the first telescopic rod 14 is fixedly connected to a connecting plate 15, two rollers 16 are rotatably connected to the surface of the connecting plate 15 and a first gear 17 is rotatably connected to the surface of the connecting plate 15 near one side of the first sliding frame 13, and the first gear 17 is in clearance fit with the first sliding frame 13; a buckle 18 is fixedly connected to one end of the first gear 17 located inside the forming frame 4, the buckle 18 is located inside the first sliding groove 11 and the buckle 18 is in clearance fit with the first sliding groove 11; a first spring 19 is fixedly connected to the surface of the first telescopic rod 14, and the other end of the first spring 19 is fixedly connected to the connecting plate 15; the height of the buckle 18 is equal to the height of the positioning block 6; during operation, when the processing material 5 in the forming frame 4 is in the wrong position, at this time the processing material 5 will be pushed up by the positioning block 6, and then during the process of the first driving mechanism driving the forming frame 4 to rotate along with the rotating disk 3, the second driving mechanism will drive the connecting plates 15 on the front, rear, left or right sides of the processing material 5 to move towards each other, when the connecting plate 15 moves, it will compress the first telescopic rod 14 and the first spring 19 and drive the first gear 17 and the buckle 18 to move, when the buckle 18 moves to the position where it can clamp the forming material, at this time the connecting plate 15 stops moving and starts to move upward, at this time the connecting plate 15 will drive the first sliding frame 13 to slide upward in the second sliding groove 12, and drive the first gear 17 and the buckle 18 to slide upward in the first sliding groove 11 through the first sliding frame 13 and the connecting plate 15, when the buckle 18 moves to the uppermost position, at this time the second driving mechanism will drive the gear to rotate half a turn, after the gear rotates half a turn, it will drive the processing material 5 to rotate half a turn through the buckle 18, then the second driving mechanism will drive the connecting plate 15 and the first sliding frame 13 to move downward to reset, when the first sliding frame 13 and the connecting plate 15 move to the bottommost position, under the action of the first spring 19, the buckle 18 automatically resets and disengages from the processing material 5, and at this time the processing material 5 has completed one flip.

[0035] As a further solution of the present invention, the second driving mechanism includes three second connecting frames 20, and the three second connecting frames 20 are fixedly connected to the fixed rod 2; the three second connecting frames 20 are perpendicular to each other and the second connecting frame 20 at the middle position is located directly behind the fixed rod 2; two guide rods 21 are fixedly connected to the surface of the second connecting frame 20, and the two guide rods 21 on the left and right sides are distributed on the left and right sides of the forming frame 4 and the two guide rods 21 at the rear side are distributed on the front and rear sides of the forming frame 4; the two rollers 16 on the surface of the connecting plate 15 are respectively attached to two mutually perpendicular surfaces of the guide rods 21; a limiting mechanism is provided on the surface of the second connecting frame 20, and the limiting mechanism is used to ensure that the forming frame 4 can accurately move to the position between the two guide rods 21; during operation, when the first driving mechanism drives the rotating disc 3 to rotate and the rotating disc 3 drives the forming frame 4 to be about to move to the position between the two guide rods 21, at this time, through the limiting mechanism, when the rotating disc 3 drives the forming frame 4 to continue to rotate, the forming frame 4 can accurately move between the two guide rods 21 and move linearly along the trajectory of the guide rods 21; during the movement of the forming frame 4, the two rollers 16 on the surface of the connecting plate 15 will be attached to the surface of the guide rods 21 and move along the trajectory of the guide rods 21, and when the rollers 16 move, they will drive the connecting plate 15 to move.

[0036] As a further solution of the present invention, the limiting mechanism includes two first bevel gears 22, both of which are fixedly connected to the fixed rod 2; the front and rear ends of the upper first bevel gear 22 and the left and right ends of the lower first bevel gear 22 are each engaged with a second bevel gear 23. The second bevel gear 23 is fixedly connected to the rotating disk 3 and a second telescopic rod 24 is fixedly connected to the surface of the second bevel gear 23. The other end of the second telescopic rod 24 is fixedly connected to a third bevel gear 25. A fourth bevel gear 26 is engaged with the surface of the third bevel gear 25, and the fourth bevel gear 26 is fixedly connected to the forming frame 4; four first connecting blocks 27 are evenly and fixedly connected to the surface of the rotating disk 3. Two third telescopic rods 28 are fixedly connected to the surface of the first connecting block 27. The other ends of the two third telescopic rods 28 are fixedly connected to a second connecting block 29. The second connecting block 29 is rotatably connected to the forming frame 4 and the third bevel gear 25 is rotatably connected to the second connecting block 29; a second spring 30 is provided between the first connecting block 27 and the second connecting block 29. Both ends of the second spring 30 are fixedly connected to the first connecting block 27 and the second connecting block 29 respectively; a limiting block 31 is fixedly connected to the surface of the second connecting frame 20. The inner surface of the limiting block 31 is in contact with the second connecting block 29; the surface at the middle position of the inner side of the limiting block 31 is flat; during operation, when the first driving mechanism drives the rotating disk 3 to rotate, the rotating disk 3 will drive the first connecting block 27 and the second bevel gear 23 on its surface to rotate. The first connecting block 27 drives the second connecting block 29 to rotate through the third telescopic rod 28, and the second connecting block 29 drives the forming frame 4 on its surface to rotate; when the second bevel gear 23 rotates following the rotating disk 3, at this time under the action of the first bevel gear 22, the second bevel gear 23 starts to rotate. The second bevel gear 23 drives the third bevel gear 25 to rotate through the second telescopic rod 24. When the third bevel gear 25 rotates, it drives the forming frame 4 on the surface of the second connecting block 29 to rotate relative to the second connecting block 29 through the fourth bevel gear 26. When the rotating disk 3 drives the four forming frames 4 on its surface to rotate, the four forming frames 4 can be made to move while maintaining the same state, so that the forming frame 4 can accurately move to the position between the two guide rods 21; when the forming frame 4 is about to move to the position between the two guide rods 21, at this time the second connecting block 29 will first contact the inner surface of the limiting block 31. As the rotating disk 3 drives the forming frame 4 to continue moving, the limiting block 31 compresses the second spring 30 and the third telescopic rod 28 so that the forming frame 4 can move linearly between the two guide rods 21.

[0037] As a further solution of the present invention, a first rack 32 is fixedly connected to the middle position of the surface of the guide rod 21. The first rack 32 meshes with the first gear 17, and the number of teeth on the surface of the first rack 32 is equal to half of the number of teeth on the surface of the first gear 17. The middle part and both ends of the guide rod 21 are horizontal. The two end parts of the guide rod 21 are located at the bottom position of the middle part of the guide rod 21. The two end parts of the guide rod 21 are inclined away from the forming frame 4. During operation, when the forming frame 4 moves between the two guide rods 21, the two rollers 16 on the surface of the connecting plate 15 will be first squeezed by the guide rod 21 towards the inside of the forming frame 4. The roller 16 will drive the buckle 18 to move towards the inside of the forming frame 4 through the connecting rod. When the roller 16 is squeezed to the innermost position by the guide rod 21, the buckle 18 will clamp the processing material 5. At this time, the forming frame 4 continues to move, and the roller 16 starts to move upward under the action of the guide rod 21. The connecting plate 15 will drive the first gear 17 and the buckle 18 to move upward, and the buckle 18 will drive the processing material 5 to move upward. When the roller 16 moves to the uppermost position, when the forming frame 4 continues to move, the first gear 17 on its surface will mesh with the first rack 32. Under the action of the first rack 32, the first gear 17 will rotate half a turn, thereby driving the processing material 5 to rotate half a turn. When the roller 16 moves to the rear half section of the guide rod 21, at this time, under the action of the guide rod 21, the roller 16 gradually returns to its original position, and the processed material 5 after being flipped will also move to the bottom position.

[0038] As a further solution of the present invention, the first driving mechanism includes a first motor 33. The upper end of the output shaft of the first motor 33 is fixedly connected with a second gear 34. A toothed ring 35 is engaged with the surface of the second gear 34, and the toothed ring 35 is fixedly connected with the rotating disc 3. The second gear 34 is an incomplete gear, and the number of teeth on the surface of the second gear 34 is one-fourth of the number of teeth on the surface of the toothed ring 35. During operation, when it is necessary to drive the rotating disc 3 to rotate, the first motor 33 is started. The first motor 33 drives the second gear 34 to rotate. When the second gear 34 rotates, it will drive the toothed ring 35 to rotate. When the toothed ring 35 rotates, it will drive the rotating disc 3 to rotate. All the forming frames 4 on its surface will be driven to rotate through the rotating disc 3. Since the number of teeth on the surface of the second gear 34 is one-fourth of the number of teeth on the surface of the toothed ring 35, the rotating disc 3 will be driven to rotate intermittently when the second gear 34 rotates. When the second gear 34 rotates one circle, it will drive the rotating disc 3 to rotate one-fourth of a circle. When the rotating disc 3 rotates one-fourth of a circle, the two forming frames 4 at the rear side position on its surface will just stop at the positions of the forming plate 10 and the bottom of the feeding basket.

[0039] As a further solution of the present invention, a second motor 36 is fixedly connected to the surface of the first connecting frame 7, and the bottom end of the output shaft of the second motor 36 is fixedly connected to the cylinder 9; a collecting box 37 is provided at the bottom position of the rear forming plate 10, and the collecting box 37 is fixedly connected to the bottom plate 1; an electromagnet 38 is fixedly connected to the surface of the forming plate 10; the distance between the loading frame 8 and the front forming plate 10 is equal to the distance between the two adjacent forming frames 4; during operation, when the two forming frames 4 at the rear position stay at the bottom position of the forming plate 10, the forming material inside the forming frame 4 on the left side of the rear side will be in the accurate processing position after being turned over, and then the cylinder 9 is started to drive the forming plate 10 at the front position to move downward to complete the processing of the processing material 5 inside the forming frame 4, and when the forming plate 10 completes the processing of the processing material 5 At this time, the electromagnet 38 on the surface of the forming plate 10 is started, the electromagnet 38 will suck the processing material 5, and then the cylinder 9 is started to drive the forming plate 10 to move upward and reset. After the forming plate 10 is reset, it will drive the processing material 5 to leave the forming frame 4, and then start the second motor 36 to drive the forming plate 10 at the front position to rotate to the rear position; at the same time, the loading frame 8 is started to put the processing material 5 into the forming frame 4 that stays at the bottom of the loading frame 8; as the rotating disk 3 rotates again, the new forming frame 4 moves to the bottom position of the front forming plate 10, and then the cylinder 9 is started again to drive the two forming plates 10 to move downward, and the forming plate 10 at the rear side will drive the processed back cover to move to the collection box 37, and then the electromagnet 38 is disconnected to make the processed back cover fall into the collection box 37.

[0040] As a further solution of the present invention, a one-time cold heading stretching method for a computer back cover is provided, wherein the specific steps of the method are as follows:

[0041] Step 1: Start the feeding frame 8 to put the processing material 5 to be processed into the forming frame 4 at the bottom of the feeding frame 8;

[0042] Step 2: Then start the first driving mechanism, which drives the rotating disk 3 to drive the four forming frames 4 to rotate along with the rotating disk 3;

[0043] Step 3: During the rotation of the forming frame 4, the flipping mechanism can be driven by the second driving mechanism to operate, and the processing material 5 in the wrong position in the forming frame 4 can be flipped by the flipping mechanism;

[0044] Step 4: When the rotating disk 3 drives the forming frame 4 to rotate to the bottom position of the forming plate 10, the second driving mechanism drives the flipping mechanism to flip three times, and then the cylinder 9 can be started to drive the forming plate 10 to complete the processing of the processing material 5.

Claims

1. One-time cold heading and stretching forming device for computer back cover, including a bottom plate (1), characterized in that: A fixed rod (2) is fixedly connected to the upper surface of the bottom plate (1). A rotating disc (3) is rotatably connected to the surface of the fixed rod (2). Four forming frames (4) are evenly arranged on the surface of the rotating disc (3), and the four forming frames (4) are distributed in a circumferential array on the surface of the rotating disc (3); a processing material (5) and a plurality of positioning blocks (6) are arranged in the forming frame (4). The positioning blocks (6) are fixedly connected to the bottom surface of the forming frame (4), and the processing material (5) is in clearance fit with the positioning blocks (6); a turning mechanism is arranged in the forming frame (4), and the turning mechanism is used to turn over the processing material (5) with incorrect position in the forming frame (4); a first connecting frame (7) is fixedly connected to the rear position of the upper surface of the bottom plate (1). A feeding frame (8) is fixedly connected to the right side position of the surface of the first connecting frame (7), and a cylinder (9) is rotatably connected to the left side position of the first connecting frame (7). Two forming plates (10) are arranged at the front and rear sides of the bottom end of the cylinder (9), and both of the two forming plates (10) are fixedly connected to the cylinder (9); a first driving mechanism is arranged on the surface of the bottom plate (1), and the first driving mechanism is used to drive the rotating disc (3) to rotate, so as to drive the four forming frames (4) to move to the positions at the bottom of the front forming plate (10) and the feeding frame (8) in sequence; a second driving mechanism is arranged on the surface of the fixed rod (2), and the second driving mechanism is used to drive the turning mechanism on the surface of the forming frame (4) to continuously turn over three times when the rotating disc (3) drives the four forming frames (4) to rotate, so that the processing material (5) at any position can be turned over to the correct position. The turning mechanism includes four first chutes (11). The four first chutes (11) are distributed on the four side wall surfaces of the forming frame (4), and the first chutes (11) penetrate through the side walls of the forming frame (4); second chutes (12) are symmetrically arranged at the positions on both sides of the first chutes (11) on the surface of the forming frame (4). A first sliding frame (13) is slidably connected in the second chutes (12). A first telescopic rod (14) is fixedly connected to the surface of the first sliding frame (13). The other end of the first telescopic rod (14) is fixedly connected to a connecting plate (15). Two rollers (16) are rotatably connected to the surface of the connecting plate (15), and a first gear (17) is rotatably connected to the surface of the connecting plate (15) close to one side of the first sliding frame (13). The first gear (17) is in clearance fit with the first sliding frame (13); a buckle (18) is fixedly connected to the end of the first gear (17) located inside the forming frame (4). The buckle (18) is located inside the first chute (11), and the buckle (18) is in clearance fit with the first chute (11); a first spring (19) is fixedly connected to the surface of the first telescopic rod (14), and the other end of the first spring (19) is fixedly connected to the connecting plate (15); the height of the buckle (18) is equal to the height of the positioning block (6).

2. The one-time cold heading and stretching forming device for the computer back cover according to claim 1, wherein: The second driving mechanism includes three second connecting frames (20), and all three second connecting frames (20) are fixedly connected to the fixed rod (2); the three second connecting frames (20) are perpendicular to each other, and the second connecting frame (20) at the middle position is located directly behind the fixed rod (2); two guide rods (21) are fixedly connected to the surface of the second connecting frame (20), and the two guide rods (21) on the left and right sides are distributed on the left and right sides of the forming frame (4), and the two guide rods (21) at the rear side are distributed on the front and rear sides of the forming frame (4); the two rollers (16) on the surface of the connecting plate (15) are respectively in contact with two mutually perpendicular surfaces of the guide rod (21); a limiting mechanism is provided on the surface of the second connecting frame (20), and the limiting mechanism is used to ensure that the forming frame (4) can accurately move to the position between the two guide rods (21).

3. The one-time cold heading and stretching forming device for the computer back cover according to claim 2, wherein: The limiting mechanism includes two first bevel gears (22), and both two first bevel gears (22) are fixedly connected to the fixed rod (2); second bevel gears (23) are meshed with the front and rear ends of the upper first bevel gear (22) and the left and right ends of the lower first bevel gear (22), the second bevel gears (23) are fixedly connected to the rotating disk (3), and a second telescopic rod (24) is fixedly connected to the surface of the second bevel gear (23), the other end of the second telescopic rod (24) is fixedly connected to a third bevel gear (25), a fourth bevel gear (26) is meshed with the surface of the third bevel gear (25), and the fourth bevel gear (26) is fixedly connected to the forming frame (4); four first connecting blocks (27) are evenly fixedly connected to the surface of the rotating disk (3), two third telescopic rods (28) are fixedly connected to the surface of the first connecting block (27), the other ends of the two third telescopic rods (28) are fixedly connected to a second connecting block (29), the second connecting block (29) is rotatably connected to the forming frame (4), and the third bevel gear (25) is rotatably connected to the second connecting block (29); a second spring (30) is provided between the first connecting block (27) and the second connecting block (29), and both ends of the second spring (30) are fixedly connected to the first connecting block (27) and the second connecting block (29); a limiting block (31) is fixedly connected to the surface of the second connecting frame (20), and the inner surface of the limiting block (31) is in contact with the second connecting block (29); the surface at the middle position of the inner side of the limiting block (31) is flat.

4. The one-time cold heading and stretching forming device for the computer back cover according to claim 2, wherein: A first rack (32) is fixedly connected to the middle position of the surface of the guide rod (21), the first rack (32) is meshed with the first gear (17), and the number of teeth on the surface of the first rack (32) is equal to half of the number of teeth on the surface of the first gear (17); the middle part and the two end parts of the guide rod (21) are horizontal, and the two end parts of the guide rod (21) are located at the bottom of the middle part of the guide rod (21); the two end parts of the guide rod (21) are inclined away from the forming frame (4).

5. The one-time cold heading and stretching forming device for the computer back cover according to claim 1, wherein: The first driving mechanism includes a first motor (33). The upper end of the output shaft of the first motor (33) is fixedly connected with a second gear (34). A toothed ring (35) is meshed on the surface of the second gear (34), and the toothed ring (35) is fixedly connected with a rotating disk (3). The second gear (34) is an incomplete gear and the number of teeth on the surface of the second gear (34) is one-fourth of the number of teeth on the surface of the toothed ring (35).

6. The one-time cold heading and stretching forming device for the computer back cover according to claim 1, wherein: A second motor (36) is fixedly connected to the surface of the first connecting frame (7). The bottom end of the output shaft of the second motor (36) is fixedly connected with a cylinder (9). A collection box (37) is arranged at the bottom of the rear forming plate (10), and the collection box (37) is fixedly connected with the bottom plate (1). An electromagnet (38) is fixedly connected to the surface of the forming plate (10). The distance between the feeding frame (8) and the front forming plate (10) is equal to the distance between two adjacent forming frames (4).

7. A one-time cold heading and stretching forming method for a computer back cover, applicable to the one-time cold heading and stretching forming device for the computer back cover described in any one of claims 1-6, characterized in that: The specific steps of this method are as follows: Step 1: Start the feeding frame (8) to put the processing material (5) to be processed into the forming frame (4) at the bottom of the feeding frame (8). Step 2: Then start the first driving mechanism. The first driving mechanism drives the rotating disk (3) to drive the four forming frames (4) to rotate following the rotating disk (3). Step 3: During the rotation of the forming frame (4), the second driving mechanism can drive the flipping mechanism to operate, and the flipping mechanism can flip the processing material (5) at the wrong position in the forming frame (4). Step 4: When the rotating disk (3) drives the forming frame (4) to rotate to the bottom of the forming plate (10), at this time, the second driving mechanism drives the flipping mechanism to flip three times, and then the cylinder (9) can be started to drive the forming plate (10) to complete the processing of the processing material (5).

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