Sanding mechanism for automated shoe production line

Abstract

The present invention discloses a sanding mechanism for an automated shoe production line, which is characterized in that it comprises an upper wrinkle removal device, an upper bottom surface sanding device and an upper peripheral sanding device which are sequentially arranged on one side of a conveyor line, and the upper wrinkle removal device and the upper bottom surface sanding device are provided with a material taking device, which is connected to one side of the conveyor line. The present invention adopts three processes to be completed step by step to realize the automated sanding of the upper surface.

Description

Technical Field

[0001] The present invention relates to an improved invention in the field of automated shoemaking, and in particular to an improved invention of a grinding mechanism of an automated shoemaking production line. Background Art

[0002] Traditional shoemaking processes mostly rely on manual labor, which is labor-intensive and difficult to control quality. When the upper and the sole are bonded, the upper needs to be polished to facilitate bonding. Specifically, the wrinkles (bumps) caused by the arc transition at the front and rear ends of the bottom of the upper need to be smoothed, the bottom of the upper needs to be polished, and the outer periphery (edge) of the upper needs to be polished. This process is performed by shoemakers using a sanding belt based on their own operating experience. However, this process cannot be completed in one go using automated equipment. Summary of the invention

[0003] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a sanding mechanism for an automated shoe production line that uses three processes to complete the upper polishing step by step.

[0004] In order to solve the above technical problems, the present invention is implemented by adopting the following technical scheme: the sanding mechanism of the automatic shoe production line is characterized in that it includes an upper foot wrinkle removal device, an upper foot bottom surface grinding device and an upper foot outer periphery grinding device which are sequentially arranged on one side of the conveyor line, and the upper foot wrinkle removal device and the upper foot bottom surface grinding device are equipped with a material taking device, and the material taking device is connected to one side of the conveyor line; the upper foot wrinkle removal device includes a first frame and a sanding belt and a waste collecting bucket arranged on the first frame, the sanding belt is wound around the driving wheel and the driven wheel, the waste collecting bucket is connected to the bottom of the sanding belt, and a tensioning wheel and a supporting plate are also arranged in the sanding belt, the tensioning wheel is driven by the first cylinder to tension the sanding belt, and the supporting plate is driven by the second cylinder to support the inner side of the working surface of the sanding belt; the upper foot bottom surface grinding device The hair grinding device includes a second frame and a frosting brush wheel. A mounting plate is movably provided on the upper end of the second frame. The mounting plate is connected to a third cylinder. A motor is provided on the mounting plate. The frosting brush wheel is transmission-connected to the motor, and the axis of the frosting brush wheel is perpendicular to the moving direction of the mounting plate. The peripheral hair grinding device of the helper includes a third frame, a third clamping component and a frosting roller. A first conveyor belt is provided on the third frame. The third clamping component is connected to the outer end of the first conveyor belt. A second conveyor belt that can be raised and lowered is provided on the conveying line. The second conveyor belt is perpendicular to the conveying direction of the conveying line. The second conveyor belt is connected to the inner end of the first conveyor belt. The frosting roller is connected to an electric floating spindle. The electric floating spindle is arranged on the six-axis robot. The electric floating spindle cooperates with the third clamping component.

[0005] The material picking device includes two groups of transfer racks and a transfer robot. The transfer robot connects one group of transfer racks to pick up materials and connects another group of transfer racks to unload materials. The transfer rack is provided with a lifting platform, and the lifting platform is provided with a second clamping component. The second clamping component is driven by a fourth cylinder and can move toward the conveyor line. The transfer robot includes a first clamping component, and the first clamping component is arranged on the six-axis robot.

[0006] The conveyor line includes a parallel ball chain, the ball chain carries a tray, the tray is provided with a shoe last, the shoe last is connected to the tray by upper and lower plugging, and clamping openings are provided on both sides of the lower part of the shoe last, and positioning holes are provided in the clamping openings.

[0007] The second conveyor belt can be raised and lowered between the parallel ball chains.

[0008] A waste discharge port is provided at the lower end of the waste collecting bucket, and a vacuum waste extraction device is connected to the waste discharge port.

[0009] The angle α between the axis of the grinding brush wheel and the conveying line is less than 90°.

[0010] The angle α is 45°.

[0011] The beneficial effect of the present invention is that the sanding mechanism of the improved automated shoe production line is provided with an upper wrinkle removal device, an upper bottom surface sanding device and an upper periphery sanding device on one side of the conveyor line, and the three processes are reasonably arranged to complete the automated sanding of the upper in steps. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The specific implementation modes of the present invention are further described in detail below with reference to the accompanying drawings.

[0013] Figure 1 It is a structural schematic diagram of the present invention.

[0014] Figure 2 It is a structural diagram of the conveyor line of the present invention.

[0015] Figure 3 This is a structural diagram of the foot wrinkle removal device of the present invention.

[0016] Figure 4 The present invention is a structural diagram of the device for grinding the sole of a foot.

[0017] Figure 5 The present invention is a structural diagram of the peripheral grinding device of the foot.

[0018] Figure 6 It is a structural diagram of the rotating rack in the present invention.

[0019] Figure 7 For the present invention Figure 6 Top view of the .

[0020] Figure 8 This is a structural diagram of the robot that transfers the present invention. DETAILED DESCRIPTION

[0021] The accompanying drawings show the structure of the present invention, and the relevant details are further described below in conjunction with the accompanying drawings. In this embodiment, the sanding mechanism of the automated shoe production line includes an upper wrinkle removal device 2, an upper bottom surface grinding device 3, and an upper peripheral grinding device 4, which are sequentially arranged on one side of a conveyor line 1, and the upper wrinkle removal device 2 and the upper bottom surface grinding device 3 are equipped with a material taking device 5, and the material taking device 5 is connected to one side of the conveyor line 1. The conveyor line 1 includes a side-by-side ball chain 11, and the ball chain 11 carries a tray 12, and the tray 12 is provided with a shoe last 13, and the shoe last 13 is sleeved with an upper, and the shoe last 13 is connected to the tray 12 by plugging up and down, and the lower two sides of the shoe last 13 are also provided with clamping openings 14, and the clamping openings 14 are provided with positioning holes 15; the upper wrinkle removal device 2 includes a first frame 21 and a set The sanding belt 22 and the waste collecting bucket 23 on the first frame 21 are wound around the driving wheel 24 and the driven wheel. The driving wheel 24 is driven by a motor. The waste collecting bucket 23 is connected to the bottom of the sanding belt 22 to receive the waste materials after grinding. The sanding belt 22 is also provided with a tensioning wheel 25 and a supporting plate 26. The tensioning wheel 25 is driven by a first cylinder 27 to tension the sanding belt 22. The tensioning wheel 25 is tensioned by the first cylinder 27, which has good tensioning performance and is convenient for replacing the sanding belt 22. The supporting plate 26 is driven by a second cylinder 28 to support the inner side of the working surface of the sanding belt 22, thereby improving the supporting strength and sanding effect of the working surface of the sanding belt 22. When the sanding belt 22 is not working, the supporting plate 26 is driven by the second cylinder 28 to separate from the sanding belt 2 2, to avoid wear; the bottom surface grinding device 3 of the helper foot includes a second frame 31 and a grinding brush wheel 32. The upper end of the second frame 31 is movably provided with a mounting plate 33. The upper end of the corresponding second frame 31 is provided with a guide rail 36. The lower end of the mounting plate 33 is provided with a guide groove. The mounting plate 33 is connected to a third cylinder 34. The mounting plate 33 is provided with a motor 35. The grinding brush wheel 32 is connected to the motor 35 in a transmission manner, and the axis of the grinding brush wheel 32 is perpendicular to the moving direction of the mounting plate 33, that is, when the outer peripheral surface of the grinding brush wheel 32 is involved in the work, when the force is too large, it can move with the mounting plate 33 to overcome the third cylinder 34, so as to achieve buffering; the outer peripheral grinding device 4 of the helper foot includes a third frame 41, a third clamping component 4 2 and a frosted roller 43, a first conveyor belt 44 is provided on the third frame 41, a third clamping component 42 is connected to the outer end of the first conveyor belt 44, a second conveyor belt 45 which can be raised and lowered is provided on the conveyor line 1, the second conveyor belt 45 is perpendicular to the conveying direction of the conveyor line 1, the second conveyor belt 45 is connected to the inner end of the first conveyor belt 44, the frosted roller 43 is connected to an electric floating spindle 46, and is driven to rotate and swing by the electric floating spindle, the electric floating spindle 46 is arranged on a six-axis robot 47, the electric floating spindle 46 cooperates with the third clamping component 42, the third clamping component 42 includes two groups of clamping structures arranged symmetrically on the left and right, and the clamping structure includes pneumatic left and right clamping arms which cooperate with each other.

[0022] When the present invention is working, the tray 12 is transported on the conveyor line 1, and the material taking device 5 takes down the shoe last 13 with the upper surface transported on the tray 12, and sends it to the upper foot wrinkle removal device 2, and the wrinkles at the front end and the rear end of the upper foot bottom surface are attached to the working surface of the sanding belt 22, and the corresponding support plate 26 is attached to the working surface of the supporting sanding belt 22 under the drive of the second cylinder 28, so as to realize the wrinkle grinding of the front end and the rear end of the upper foot bottom surface, and after the wrinkles are polished flat, the material taking device 5 sends it to the upper foot bottom surface grinding device 3, and as the shoe last 13 moves, the sanding brush wheel 32 evenly sands it along the upper foot bottom surface, and the sanding is completed. , the material taking device 5 sends it back to the conveyor line 1, and along with the conveyor line 1, it is transported to the top of the second conveyor belt 45. The second conveyor belt 45 rises and lifts up the tray 12 where the shoe last 13 is located, and sends it to the first conveyor belt 44, and is transmitted to the third clamping component 42 along the first conveyor belt 44. The third clamping component 42 clamps and fixes the shoe last 13, and the grinding roller 43 moves along the outer peripheral contour of the upper foot under the action of the electric floating spindle 46 and the six-axis robot 47 to grind. After the grinding is completed, the third clamping component 42 releases the shoe last 13, the first conveyor belt 44 reverses, and the second conveyor belt 45 reverses and descends to send it back to the conveyor line 1.

[0023] As a preferred specific embodiment, the material taking device 5 includes two groups of transfer racks 51 and a transfer robot 52. The transfer robot 52 connects one group of transfer racks 51 to take materials and connects another group of transfer racks 51 to unload materials. The transfer racks 51 are provided with a lifting platform 53. The lifting platform 53 is provided with a second material clamping component 54. The second material clamping component 54 is driven by a fourth cylinder 55 and can move toward the conveyor line 1. The transfer robot 52 includes a first material clamping component 56, which is arranged on a six-axis robot 57. The first material clamping component 56 includes two groups of material clamping structures arranged symmetrically on the left and right, and the material clamping structure includes a pneumatic chuck and a fixed chuck that cooperate with each other. The second material clamping component 54 includes two groups of material clamping structures arranged symmetrically on the left and right, and the material clamping structure includes pneumatic left and right clamping arms that cooperate with each other.

[0024] During operation, the second clamping parts 54 of a group of transfer frames 51 are clamped on both sides of the lower part of the shoe last 13 from one side under the drive of the lifting platform 53 and the fourth cylinder 55, and the shoe last 13 is lifted up and separated from the tray 12. Then the six-axis robot drives the first clamping part to clamp on both sides of the lower part of the shoe last 13 from the bottom, so that it is convenient for the first clamping part 56 to drive the shoe last 13 to rotate 360°. Then the shoe last 13 is sent to the upper foot wrinkle removal device 2, the upper foot bottom surface grinding device 3 and the second clamping parts 54 of another group of transfer frames 51 by the first clamping parts 56 and the six-axis robot in sequence. The second clamping parts 54 are clamped on both sides of the lower part of the shoe last 13 from one side under the drive of the lifting platform 53 and the fourth cylinder 55, and sent to the tray 12 of the conveyor line 1, and the shoe last 13 is plugged into the tray 12.

[0025] As a preferred specific embodiment, the second conveyor belt 45 can be raised and lowered between the parallel ball chains 11. The second conveyor belt 45 can be set on a lifting platform 53. When rising, it can lift the pallet 12 on the ball chain 11 and transport the pallet 12 along the direction vertical to the conveyor line 1.

[0026] As a preferred specific implementation, a waste outlet 29 is provided at the lower end of the waste collecting bucket 23, and a vacuum waste extraction device is connected to the waste outlet. The vacuum waste extraction device is a prior art, and the specific structure is not described in detail. The vacuum waste extraction device is mainly used to discharge the waste in the waste collecting bucket 23.

[0027] As a preferred specific implementation manner, the angle α between the axis of the sanding brush wheel 32 and the conveyor line 1 is less than 90°, and the angle α is further preferably 45°. When the upper foot wrinkle removal device 2 and the upper foot bottom surface sanding device 3 share a six-axis machine 57, it is convenient for the six-axis robot 57 to rotate and connect the two.

[0028] In summary, the above are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. The grinding mechanism of the automated shoe production line is characterized by: The invention comprises a side leg wrinkle removal device, a side leg bottom surface grinding device and a side leg outer periphery grinding device which are sequentially arranged on one side of the conveyor line, and the side leg wrinkle removal device and the side leg bottom surface grinding device are equipped with a material taking device, which is connected to one side of the conveyor line; the side leg wrinkle removal device comprises a first frame and a sanding belt and a waste collecting bucket arranged on the first frame, the sanding belt is wound around a driving wheel and a driven wheel, the waste collecting bucket is connected to the bottom of the sanding belt, a tensioning wheel and a supporting plate are also arranged in the sanding belt, the tensioning wheel is driven by a first cylinder to tension the sanding belt, and the supporting plate is driven by a second cylinder to support the inner side of the working surface of the sanding belt; the side leg bottom surface grinding device comprises a second frame and a sanding brush wheel, a mounting plate is movably arranged on the upper end of the second frame, the mounting plate is connected to a third cylinder, and a motor is arranged on the mounting plate, The sanding brush wheel is connected to the motor transmission, and the axis of the sanding brush wheel is perpendicular to the moving direction of the mounting plate; the peripheral sanding device of the helper includes a third frame, a third clamping component and a sanding roller, the third frame is provided with a first conveyor belt, the third clamping component is connected to the outer end of the first conveyor belt, a liftable second conveyor belt is provided on the conveying line, the second conveyor belt is perpendicular to the conveying direction of the conveyor line, the second conveyor belt is connected to the inner end of the first conveyor belt, the sanding roller is connected to the electric floating spindle, the electric floating spindle is arranged on the six-axis robot, and the electric floating spindle cooperates with the third clamping component; a waste outlet is provided at the lower end of the waste collecting bucket, and a vacuum waste extraction device is connected to the waste outlet; the angle α between the axis of the sanding brush wheel and the conveying line is less than 90°.

2. The sanding mechanism for the automated shoe production line according to claim 1, characterized in that: The material picking device includes two groups of transfer racks and a transfer robot. The transfer robot connects one group of transfer racks to pick up materials and connects another group of transfer racks to unload materials. The transfer rack is provided with a lifting platform, and the lifting platform is provided with a second clamping component. The second clamping component is driven by a fourth cylinder and can move toward the conveyor line. The transfer robot includes a first clamping component, and the first clamping component is arranged on the six-axis robot.

3. The sanding mechanism of the automated shoe production line according to claim 1, characterized in that: The conveyor line includes a parallel ball chain, the ball chain carries a tray, the tray is provided with a shoe last, the shoe last is connected to the tray by upper and lower plugging, and clamping openings are provided on both sides of the lower part of the shoe last, and positioning holes are provided in the clamping openings.

4. The sanding mechanism for the automated shoe production line according to claim 3, characterized in that: The second conveyor belt can be raised and lowered between the parallel ball chains.

5. The sanding mechanism for the automated shoe production line according to claim 1, characterized in that: The angle α is 45°.

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