CN110654832A

CN110654832A - Sheet material feeder

Info

Publication number: CN110654832A
Application number: CN201911064373.4A
Authority: CN
Inventors: 魏兵; 汪义高; 向代忠; 胥筱康; 李诗念
Original assignee: CHONGQING JIANGDONG MACHINE Co Ltd
Current assignee: CHONGQING JIANGDONG MACHINE Co Ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-01-07

Abstract

The invention discloses a sheet feeder, which comprises a sheet conveying device and a 180-degree turnover device arranged on the conveying device, wherein the sheet conveying device comprises a conveying mechanism and a turnover mechanism arranged on the conveying mechanism; the sheet material conveying device comprises a support frame with a sheet material input end and a first sheet material output end, a conveying belt arranged along the length direction of the support frame and used for conveying a sheet material from the sheet material input end to the sheet material output end, and a power conveying mechanism used for driving the conveying belt to rotate; the 180-degree turnover device comprises a sheet turnover mechanism arranged at the middle section of the support frame and a turnover driving mechanism used for driving the sheet turnover mechanism to turn over 180 degrees so as to turn over the sheet 180 degrees. The sheet feeder disclosed by the invention has the advantages of smaller floor area, space saving, optimized sheet manufacturing process flow, saved manufacturing time and improved manufacturing efficiency.

Description

Sheet material feeder

Technical Field

The invention relates to a sheet feeder.

Background

After the shallow drawing process, the sheet material (including but not limited to galvanized sheet material) needs to be turned over by 180 degrees so that the original lower surface faces upwards and the original upper surface faces downwards, and then the sheet material is subjected to trimming, punching and forming and the like in the next process. In the prior art, after a sheet material is formed in a pulling manner, the sheet material is generally turned over manually and then conveyed to a trimming and punching station. This method requires a lot of manpower, consumes a lot of time, reduces efficiency, and increases cost.

Disclosure of Invention

Aiming at the defects of the prior art, the technical problems to be solved by the invention are as follows: the sheet feeder is small in occupied space, compact in structure, capable of improving working efficiency and reducing labor cost.

In order to solve the technical problems, the invention adopts a technical scheme that: providing a sheet feeder, which comprises a sheet conveying device and a 180-degree turnover device arranged on the conveying device; the sheet material conveying device comprises a support frame with a sheet material input end and a first sheet material output end, a conveying belt arranged along the length direction of the support frame and used for conveying a sheet material from the sheet material input end to the sheet material output end, and a power conveying mechanism used for driving the conveying belt to rotate; the 180-degree turnover device comprises a sheet turnover mechanism arranged at the middle section of the support frame and a turnover driving mechanism used for driving the sheet turnover mechanism to turn over 180 degrees so as to turn over the sheet 180 degrees.

Further, the support frame includes a plurality of foot rests and locates the roof-rack on foot rest top, the roof-rack includes along a plurality of bracing pieces that set up with sheet material direction of delivery vertically width direction interval, the conveyer belt is followed the length direction ring of bracing piece is located on the bracing piece.

Furthermore, power conveying mechanism is including locating support frame below first gear motor, locating the first drive wheel of first gear motor output, locating the first action wheel of one end on the bracing piece and locating the other end of bracing piece is corresponding to the first from the driving wheel of the position department of first action wheel, the conveyer belt cover is located first action wheel and first from the driving wheel in order to rotate along with it on, thereby will the sheet material is followed the sheet material input is carried extremely the sheet material output.

Further, power conveying mechanism is still including locating the first pivot of the one end of bracing piece, the length of first pivot with the width phase-match of roof-rack, first action wheel be the one-to-one set up in a plurality of first action wheels that correspond each bracing piece position department on the first pivot, first from a plurality of first follow driving wheels that set up in the other end of each bracing piece corresponding to first driving wheel position department of corresponding for the one-to-one from the driving wheel, the conveyer belt is a plurality of conveyer belts on each pair of first action wheel and the first follow driving wheel of one-to-one cover location, first action wheel and first follow driving wheel's diameter with the high phase-match of bracing piece, the upper strata of conveyer belt with be located on the upper surface of bracing piece.

Further, sheet material tilting mechanism includes that the width direction of following the roof-rack erects in the roof-rack top just can wind self axle center pivoted roll-over stand and locate on the third roll-over stand and first centre gripping mouth orientation the first clamping part of sheet material input, upset actuating mechanism with roll-over stand transmission fit is in order to drive first clamping part to the direction upset 180 degrees of sheet material output makes its first centre gripping mouth orientation the direction of sheet material output.

Furthermore, the sheet material turnover mechanism further comprises a second clamping part which is arranged on the turnover frame and a second clamping opening faces the direction of the sheet material output end, when the first clamping part is turned over for 180 degrees, the first clamping opening of the first clamping part faces the sheet material output end, and the clamping opening of the second clamping part faces the sheet material input end.

Further, sheet material tilting mechanism still including locate one side of roof-rack and with upset actuating mechanism transmission fit is with can be along with its pivoted trip wheel, the roll-over stand includes the edge the width direction of roof-rack erects in the roof-rack top and can be around self axle center pivoted second pivot, locate in the second pivot corresponding to the installation piece in the space department between every two adjacent bracing pieces, first clamping part is located towards on the installation piece the one end of sheet material input, second clamping part is located towards on the installation piece the one end of sheet material output, the bottom of first centre gripping mouth and second centre gripping mouth all is less than the top surface of bracing piece.

Further, first clamping part is including locating installation piece upper end orientation the first supporting rod of the one side of sheet material input end and locating installation piece lower extreme orientation the second supporting rod of the one side of sheet material input end, first supporting rod is higher than the top surface of roof-rack, the second supporting rod is located under first supporting rod and be less than the bottom surface of roof-rack, the second clamping part is located including the symmetry third supporting rod and the fourth supporting rod of the another side of installation piece, the fourth supporting rod is located under the third supporting rod, the third supporting rod is higher than the top surface of roof-rack, the fourth supporting rod is located under the third supporting rod and be less than the bottom surface of roof-rack.

Furthermore, the turnover wheel comprises a turnover wheel body and two groups of U-shaped clamping grooves which are arranged on the turnover wheel body and are opposite to each other in pairs to form a group, the four U-shaped clamping grooves divide the turnover wheel body into wheel blocks which are opposite to each other in pairs to form a group, and the angle between every two adjacent U-shaped clamping grooves is 90 degrees;

the overturning driving mechanism comprises a second speed reducing motor arranged on one side of the supporting frame, an active wheel disc connected with an output shaft of the second speed reducing motor, and an active wheel disc edge corresponding to the position of the U-shaped clamping groove, wherein the active wheel disc edge can be clamped into the U-shaped clamping groove to drive the overturning wheel to rotate the rotating small shaft.

Further, the automatic control system comprises a first detection unit for detecting whether the plate is conveyed to the 180-degree turnover mechanism or not, a second detection unit for detecting whether the plate is turned over for 180 degrees or not, and a control unit electrically connected with the first detection unit, the second detection unit and the turnover driving mechanism, when the first detection unit detects the plate signals at the 180-degree turnover mechanism, the plate signals are sent to the control unit, the control unit controls the turnover control mechanism to work so as to turn over the plate turnover mechanism by 180 degrees, so that the sheet material is turned over by 180 degrees, when the second detection unit detects the 180-degree turning signal of the sheet material, and sending the overturning signal to the control unit, and controlling the overturning conveying mechanism to stop overturning by the control unit.

According to the sheet feeder, the sheet turnover mechanism is arranged on the sheet conveying device, so that the sheet is turned over in the sheet conveying process, a sheet turnover station does not need to be independently arranged, the occupied area is smaller, the space is saved, the sheet manufacturing process flow is optimized, the manufacturing time is saved, and the manufacturing efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of a sheet feeder according to an embodiment of the present invention.

Figure 2 is a top view of the sheet feeder of the present invention.

Fig. 3 is a schematic structural view of the 180-degree turnover device for the sheet material in fig. 1.

Figure 4 is a top view of the 180 degree turnover device of the sheet of figure 1.

Fig. 5 is a matching diagram of a turnover driving mechanism of the 180-degree turnover device and a plate turnover mechanism.

Fig. 6 is a working state diagram of the driving wheel disc at 0 degree in one embodiment of the plate turnover device at 180 degrees.

Fig. 7 is a working state diagram of the plate 180-degree turnover device in an embodiment of the device when the driving wheel disc is 45 degrees.

Fig. 8 is a working state diagram of the driving wheel disc for 90 degrees in one embodiment of the plate turnover device for 180 degrees.

Fig. 9 is a working state diagram of the driving wheel disc at 135 degrees in one embodiment of the plate turnover device at 180 degrees.

Fig. 10 is a working state diagram of the driving wheel disc for 180 degrees in one embodiment of the plate turnover device for 180 degrees.

Fig. 11 is a working state diagram of the active wheel disc of another embodiment of the 180-degree turnover device for the sheet material at 0 degree.

Fig. 12 is a working state diagram of the active wheel disc of another embodiment of the 180-degree turnover device for the sheet material at 45 degrees.

Fig. 13 is a working state diagram of the driving wheel disc for 90 degrees in another embodiment of the plate turnover device for 180 degrees.

Fig. 14 is an operating state diagram of the driving wheel disc at 135 degrees in another embodiment of the plate turnover device at 180 degrees.

Fig. 15 is a working state diagram of the 180-degree driving wheel disc in another embodiment of the 180-degree plate turnover device.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 15, the sheet feeder of the present invention includes a sheet conveying device 1 and a 180-degree sheet turnover device disposed on the conveying device. The sheet material conveying device 1 comprises a support frame 10 with a sheet material input end 101 and a second sheet material output end 102, a conveying belt 11 arranged along the length direction of the support frame 10 and used for conveying a sheet material from the sheet material input end 101 to the sheet material output end 102, and a power conveying mechanism 12 used for driving the conveying belt 11 to rotate; the 180-degree turnover device comprises a plate turnover mechanism 2 arranged at the middle section of the support frame 10 and a turnover driving mechanism 3 for driving the plate turnover mechanism 2180 to turn over for turning over the plate 180 degrees. In the scheme, the sheet input end 101 is close to the previous station (sheet shallow stretching), and after the sheet is processed at the previous station, the sheet is conveyed to the sheet input end 101. The power conveying mechanism 12 drives the conveying belt 11 to rotate towards the direction of the sheet material output end 102, so that the sheet material moves towards the sheet material output end 102 along the length direction of the support frame 10, when the sheet material is conveyed to the position of the sheet material turnover mechanism 2 at the middle section of the support frame 10, the sheet material turnover mechanism 2 turns the sheet material 180 degrees towards the direction of the sheet material output end 102, so that the original upper surface of the sheet material faces downwards and the original lower surface of the sheet material faces upwards, and then the sheet material is continuously conveyed to the sheet material output end 102 to enter the next process (edge cutting and punching forming). According to the scheme, the plate turnover mechanism 2 is arranged on the plate conveying device 1, the plate is turned over in the conveying process of the plate, a plate turnover station does not need to be independently arranged, the occupied area is smaller, the space is saved, the plate manufacturing process flow is optimized, the manufacturing time is saved, and the manufacturing efficiency is improved.

Further preferably, the sheet material conveying device 1 further includes an automatic control system (not shown), the automatic control system includes a first detecting unit 41 for detecting whether the sheet material is conveyed to the 180-degree turnover mechanism, a second detecting unit 42 for detecting whether the sheet material is turned over by 180 degrees, and a control unit electrically connected to the first detecting unit 41, the second detecting unit 42, and the turnover driving mechanism 3, when the first detecting unit 41 detects a sheet material signal at the 180-degree turnover mechanism, the sheet material signal is sent to the control unit, the control unit controls the turnover control mechanism to work so as to turn over the sheet material turnover mechanism 2 by 180 degrees, so that the sheet material is turned over by 180 degrees, and when the second detecting unit 42 detects a sheet material turnover signal of 180 degrees, the turnover signal is sent to the control unit, the control unit controls the overturning conveying mechanism to stop overturning. The first detecting unit 41 is an infrared switch, a proximity switch or various detecting sensors, and may be disposed on the supporting frame 10 at a side corresponding to the 180-degree turnover mechanism near the sheet input end 101, and when the sheet is conveyed to the 180-degree turnover mechanism, a detecting signal may be sent to the control unit. The second detecting unit 42 may also be an infrared switch, a proximity switch, various detecting sensors, and the like, and may be disposed on one side of the supporting frame 10, which is close to the sheet output end 102, corresponding to the 180-degree turnover mechanism, where the sheet is located after being turned over 180 degrees, the first detecting unit 41 sends a detection signal to the control unit after detecting that the sheet reaches the side, and the control unit controls the turnover driving mechanism 3 to stop driving, or drives the sheet turnover device to reset. By adopting the mode, the transportation and the turnover of the plate are automated, the labor cost is reduced, and the working efficiency is improved.

About the sheet material conveying device 1

The support frame 10 includes a plurality of foot rests 105 and locates the roof-rack on foot rest 105 top, the roof-rack includes along a plurality of bracing pieces 103 that set up with sheet material direction of delivery vertically width direction interval, conveyer belt 11 is followed the length direction ring of bracing piece 103 is located on the bracing piece 103. The support frame 10 may further optionally include at least one longitudinal link 104 vertically connected to the bottom of the plurality of support rods 103. The longitudinal links 104 may increase the stability and strength of the head frame.

The power conveying mechanism 12 includes a first speed reduction motor 121 disposed below the support frame 10, a first driving wheel 122 disposed at an output end of the first speed reduction motor 121, a first driving wheel 123 disposed at one end of the support rod 103 and driven by the first driving wheel 122 via a driving belt, and a first driven wheel 124 disposed at a position where the other end of the support rod 103 corresponds to the first driving wheel 123, and the conveying belt 11 is sleeved on the first driving wheel 123 and the first driven wheel 124 to rotate along with the rotation of the first driving wheel 123 and the first driven wheel 124, so that the sheet material is conveyed from the sheet material input end 101 to the sheet material output end 102. The number of the conveyor belts 11 is at least one, and in the case of one conveyor belt 11, the conveyor belt may be disposed at a position of a middle support rod 103, and correspondingly, the first driving wheel 122, the first driving wheel 123 and the first driven wheel 124 are disposed at positions corresponding to the conveyor belt 11. Preferably, the power transmission mechanism further comprises at least one second transmission wheel 125 disposed between the first driving wheel 123 and the first driven wheel 124.

In order to increase the conveying stability, a conveyor belt 11 is arranged at each support rod 103. Correspondingly, the power transmission mechanism 12 further includes a first rotating shaft disposed at one end of the supporting rod 103, the length of the first rotating shaft matches the width of the top frame, the first driving wheels 123 are a plurality of first driving wheels 123 disposed on the first rotating shaft in a one-to-one correspondence manner and corresponding to the positions of the supporting rods 103, the first driven wheels 124 are a plurality of first driven wheels 124 disposed on the other end of each supporting rod 103 in a one-to-one correspondence manner and corresponding to the positions of the first driving wheels 123, the conveying belts 11 are a plurality of conveying belts 11 sleeved on each pair of the first driving wheels 123 and the first driven wheels 124 in a one-to-one correspondence manner, the diameters of the first driving wheels 123 and the first driven wheels 124 match the heights of the supporting rods 103, and the upper layers of the conveying belts 11 are located on the upper surfaces of the supporting rods 103. Many conveyer belts 11 only need through a gear motor drive can, such simple structure is ingenious, need not set up a plurality of gear motor, guarantees the synchronism and the transport stability of a plurality of conveyer belts 11.

180-degree turnover device for sheet material

The sheet material turnover mechanism 2 comprises a turnover frame 21 which is erected above the top frame and can rotate around the axis of the turnover frame and is arranged in the width direction of the top frame, a first clamping opening 221 faces towards the first clamping portion 22 of the sheet material input end 101 on the third turnover frame 21, and a turnover driving mechanism 3 is in transmission fit with the turnover frame 21 and can drive the first clamping portion 22 to overturn 180 degrees in the direction of the sheet material output end 102 so that the first clamping opening 221 faces towards the direction of the sheet material output end 102. In this embodiment, since the first clamping opening 221 of the first clamping portion 22 faces the sheet output end 102, after the sheet is in the first clamping opening 221, after the turnover driving mechanism 3 drives the turnover frame 21180 to turn over, the first clamping portion 22 is also turned over by 180 degrees so that the first clamping opening 221 faces the sheet output end 102, at this time, the sheet is turned over by 180 degrees and is located on the supporting frame 10 at a side close to the sheet output end 102, and the sheet is continuously conveyed towards the sheet output end 102 by the conveying belt 11 on the supporting frame 10, thereby completing the sheet conveying and turning process. In this scheme, after the turnover driving mechanism 3 rotates by 180 degrees (i.e. after the second detecting unit 42 detects a sheet material), the control unit receives the detection signal of the second detecting unit 42 and then controls the turnover driving mechanism 3 to turn 180 degrees again or reverse 180 degrees for resetting to wait for the arrival of the next sheet material. In this solution, the sheet turnover mechanism 2 may be a driving motor directly connected to the turnover frame 21.

Optionally, in order to improve the efficiency of transporting and turning the sheet material, the sheet material turning mechanism 2 of this embodiment further includes a second clamping portion 23 disposed on the turning frame 21 and having a second clamping opening 231 facing the direction of the sheet material output end 102, and after the first clamping portion 22 is turned over by 180 degrees, the first clamping opening 221 of the first clamping portion 22 faces the sheet material output end 102, and the clamping opening of the second clamping portion 23 faces the sheet material input end 101. That is, the first clamping portion 22 and the second clamping portion 23 are symmetrically disposed on two sides of the roll-over stand 21. When the advantage that sets up like this, can accelerate the transport and the upset of sheet material, when being located under the sheet material in the first clamping part 22 is turned over the state of 180 degrees, the work that the second clamping part 23 replaced former first clamping part 22 is with the centre gripping next sheet material, so circulate, can be incessant, not reset turn over a plurality of sheet materials fast in proper order, improve and carry upset efficiency.

Further, the plate turnover mechanism 2 also comprises a turnover wheel 24 which is arranged at one side of the top frame and is in transmission fit with the turnover driving mechanism 3 so as to rotate along with the turnover wheel, the roll-over stand 21 comprises a second rotating shaft 25 which is erected above the top frame along the width direction of the top frame and can rotate around the axis of the second rotating shaft 25, a mounting block 26 which is arranged on the second rotating shaft 25 and corresponds to the space between every two adjacent supporting rods 103, the first clamping portion 22 is provided at one end of the mounting block 26 facing the sheet input end 101, the second clamping portion 23 is provided at an end of the mounting block 26 facing the sheet output end 102, the bottoms of the first clamping opening 221 and the second clamping opening 231 are lower than the top surface of the support rod 103, the tops of the first clamping opening 221 and the second clamping opening 231 are higher than the top surface of the support rod 103, and the height of the top surface is higher than the thickness of the plate material and is matched with the thickness of the plate material. Because the first clamping part 22 and the second clamping part 23 are respectively installed on two sides of the installation block 26, the first clamping part 22 and the second clamping part 23 are both located in the space between two corresponding adjacent support rods 103, and simultaneously the bottoms of the first clamping opening 221 and the second clamping opening 231 are both lower than the top surfaces of the support rods 103, so that the plate can smoothly enter the first clamping opening 221, and after the plate is turned over, the plate can be placed on the conveying belt 11 so as to be conveyed towards the plate output end 102 continuously.

Further, first clamping part 22 is including locating installation piece 26 upper end orientation the first clamping rod 222 of the one side of sheet material input 101 and locating installation piece 26 lower extreme orientation the second clamping rod 223 of the one side of sheet material input 101, first clamping rod 222 is higher than the top surface of roof-rack, second clamping rod 223 is located under first clamping rod 222 and is less than the bottom surface of roof-rack, second clamping part 23 is including symmetry locating third clamping rod 232 and the fourth clamping rod 233 of the another side of installation piece 26, fourth clamping rod 233 is located under third clamping rod 232, third clamping rod 232 is higher than the top surface of roof-rack, fourth clamping rod 233 is located under third clamping rod 232 and is less than the bottom surface of roof-rack. The lengths of the first clamping rod 222, the second clamping rod 223, the third clamping rod 232 and the fourth clamping rod 233 are matched, meanwhile, the lengths of the first clamping rod and the second clamping rod are matched with the width or the length of the plate, and the height of the first clamping rod and the third clamping rod is matched with the thickness of the plate, so that the plate is prevented from falling off in the turning process.

Further, the turning wheel 24 includes a turning wheel body, two sets of U-shaped slots 241 disposed on the turning wheel body, two sets of U-shaped slots 241 being opposite to each other, the four U-shaped slots 241 divide the turning wheel body into two sets of wheel blocks 242, and an angle between every two adjacent U-shaped slots 241 is 90 degrees. In this scheme, the turnover driving mechanism 3 includes a second gear motor 31 disposed on one side of the supporting frame 10, a driving wheel disk 32 connected to an output shaft of the second gear motor 31, and a rotating small shaft 33 disposed at a position on the edge of the driving wheel disk 32 corresponding to the U-shaped slot 241 and capable of being clamped into the U-shaped slot 241 to drive the turnover wheel 24 to rotate when the driving wheel disk 32 rotates.

In this embodiment, the initiative rim plate 32 is located the outer lower side of upset wheel 24, rotatory staff 33 is located the medial surface of initiative rim plate 32 is corresponding to the position department of U-shaped draw-in groove 241, for the ease of the card go into and break away from convenient and fast, the position that sets up of rotatory staff 33 satisfy can just in time block in the notch department of U-shaped draw-in groove 241 (this scheme sets up the edge of the medial surface of initiative rim plate 32). The number of the small rotating shafts 33 is two, and the two small rotating shafts 33 are oppositely arranged at two edge positions of the inner side surface of the driving wheel disc 32. Corresponding to this solution and further preferred, the outer side surface of the wheel block 242 is an arc surface 243 that is curved inward. Two first arc-shaped guide protrusions 34 are arranged at positions of the inner side surface of the driving wheel disc 32 corresponding to the arc-shaped surfaces 243, the first two arc-shaped guide protrusions 34 are arranged oppositely, and a central connecting line between the first two arc-shaped guide protrusions is perpendicular to a central connecting line of the two small rotating shafts 33.

Referring to fig. 6 to 10, when the active wheel disc is rotated by 0 degree, the first small rotating shaft 33 is exactly clamped in the notch of the first U-shaped clamping groove 241, and the opening of the first U-shaped clamping groove 241 faces downward to the right and forms an included angle of 45 degrees with the horizontal line passing through the center of the wheel block 242. When the driver disk 32 rotates 45 degrees, the first small rotating shaft 33 makes the first U-shaped slot 241 vertically face downward, and at this time, the first small rotating shaft 33 is located at the bottom of the first U-shaped slot 241. When the driver disk 32 rotates 90 degrees, the first U-shaped slot 241 faces downward to the left, and the first small rotating shaft 33 is engaged with the notch of the first U-shaped slot 241. When the rotating shaft rotates 135 degrees, the two rotating small shafts 33 are located on the same horizontal plane and are not clamped in the U-shaped clamping groove 241. When the driving wheel disk 32 rotates 180 degrees, the opening of the second U-shaped slot 241 faces downward to the right, and the second small rotating shaft 33 is clamped in the notch of the second U-shaped slot 241. With this circulation, make the runner constantly rotate in order to overturn the sheet material, need not to set up just reversal, reduce the procedure complexity for stability is higher, and the performance is better.

Referring to fig. 11 to 15, as another embodiment, the center lines of the two small rotating shafts 33 intersect perpendicularly. That is, an angle between a first line between the center point of the active wheel disk 32 and the center of the first small rotating shaft 33 and a second line between the center point of the active wheel disk 32 and the center of the second small rotating shaft 33 is 90 degrees. Corresponding to this solution and further preferred, the outer side surface of the wheel block 242 is an arc surface 243 that is curved inward. A second arc-shaped guide protrusion 34 in guiding fit with the arc-shaped surface 243 is arranged at the position, corresponding to the arc-shaped surface 243, of the inner side surface of the driving wheel disc 32, and the radian of the second arc-shaped guide protrusion 34 is 1 pi rad.

When the driving wheel disc is rotated 320 degrees, the first U-shaped slot 241 faces downward at right and forms a 45-degree included angle with a horizontal line passing through the center of the wheel block 242, and the first rotary small shaft 33 is clamped in the notch of the first U-shaped slot 241. When the driver disk 32 rotates 45 degrees, the first small rotating shaft 33 makes the first U-shaped slot 241 vertically face downward, and at this time, the first small rotating shaft 33 is located at the bottom of the first U-shaped slot 241. When the driver disk 32 rotates 90 degrees, the first U-shaped slot 241 faces to the left and the second U-shaped slot 241 faces to the right and the lower, and at this time, the first small rotating shaft 33 is located in the notch of the first U-shaped slot 241 (to be disengaged), and the second small rotating shaft 33 is located in the notch of the second U-shaped slot 241. When the driving wheel disk 32 rotates 135 degrees, the second rotating small shaft 33 drives the second U-shaped clamping groove 241 to rotate to a vertically downward state, at this time, the second rotating small shaft 33 is located at the bottom of the second U-shaped clamping groove 241, and the first rotating small shaft 33 is located at a horizontal position and forms an angle of 90 degrees with the second rotating small shaft 33. When the capstan disc 32180 degrees, the second small rotating shaft 33 drives the second U-shaped slot 241 to rotate to face downward to the left, and at this time, the second small rotating shaft 33 is located in the notch of the second U-shaped slot 241 (to be disengaged).

In this embodiment, the automatic control system is further electrically connected to the power transmission mechanism 12, and is configured to control the power transmission mechanism 12 to stop operating when the sheet material is conveyed to the position of the sheet material turnover mechanism 2 (that is, when the first detection unit 41 detects the sheet material), and control the turnover driving mechanism 3 to start to drive the sheet material turnover mechanism 2180 to turn over at the same time, and control the turnover driving mechanism 3 to stop when the sheet material is turned over to the 180-degree position (that is, when the second detection unit 42 detects that the sheet material is turned over in place), and the power transmission mechanism 12 operates to convey the sheet material to the next process.

The embodiment of the invention solves the problem that the next process can be carried out only after the punched part needs to be turned over by 180 degrees in the transmission process, firstly, the power conveying mechanism 12 drives the annular conveying belt 118 (the serial number 8 of DDSF.1) to rotate clockwise (the rotating direction is determined according to the requirements of different embodiments), the plate material coming out from the previous process is driven to move between the first clamping rod 222 and the second clamping rod 223 of the turning mechanism, the switch is triggered, the conveying belt 11 stops running, the turning driving mechanism 3 is started at the same time, the rotating small shaft 33 of the driving wheel disc 32 is driven to rotate, the rotating small shaft 33 moves on 4 clamping grooves of the turning wheel 24, the plate material is driven to turn to 180 positions, the switch is triggered, the turning power mechanism stops running, and the conveying belt 11 runs to drive the plate material to be conveyed to the next process.

The sheet feeder is ingenious in structural design and reliable in operation, sheet overturning is completed in the sheet conveying process, a separate sheet overturning station is not required to be arranged, the overall size is small, the space is saved, the layout is compact, the sheet manufacturing efficiency is improved, and the labor cost is saved.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a sheet feeder which characterized in that: comprises a sheet material conveying device and a 180-degree sheet material turnover device arranged on the conveying device; the sheet material conveying device comprises a support frame with a sheet material input end and a first sheet material output end, a conveying belt arranged along the length direction of the support frame and used for conveying a sheet material from the sheet material input end to the sheet material output end, and a power conveying mechanism used for driving the conveying belt to rotate; the 180-degree turnover device comprises a sheet turnover mechanism arranged at the middle section of the support frame and a turnover driving mechanism used for driving the sheet turnover mechanism to turn over 180 degrees so as to turn over the sheet 180 degrees.

2. The slab feeder of claim 1, wherein: the support frame includes a plurality of foot rests and locates the roof-rack on foot rest top, the roof-rack includes along a plurality of bracing pieces that set up with sheet material direction of delivery vertically width direction interval, the conveyer belt is followed the length direction ring of bracing piece is located on the bracing piece.

3. The slab feeder of claim 2, wherein: the power conveying mechanism comprises a first speed reducing motor arranged below the supporting frame, a first transmission wheel arranged at the output end of the first speed reducing motor, a first driving wheel arranged at one end of the supporting rod and a first driven wheel arranged at the position, corresponding to the first driving wheel, of the other end of the supporting rod, the conveying belt is sleeved on the first driving wheel and the first driven wheel to rotate along with the rotation of the first driving wheel, and therefore the plate is conveyed to the plate output end from the plate input end.

4. The slab feeder of claim 3, wherein: the power conveying mechanism is characterized by further comprising a first rotating shaft arranged at one end of the supporting rod, the length of the first rotating shaft is matched with the width of the top frame, the first driving wheel is in one-to-one correspondence with a plurality of first driving wheels arranged on the first rotating shaft and corresponding to positions of the supporting rods, the first driven wheel is in one-to-one correspondence with a plurality of first driven wheels arranged at the other end of each supporting rod and corresponding to positions of the first driving wheels, the conveying belts are sleeved on each pair of the first driving wheels and a plurality of conveying belts arranged on the first driven wheels in a one-to-one correspondence mode, the diameters of the first driving wheels and the first driven wheels are matched with the heights of the supporting rods, and the upper layers of the conveying belts are located on the upper surface of the supporting rods.

5. The slab feeder of any one of claims 2 to 4, wherein: the sheet material tilting mechanism includes along the width direction of roof-rack erects in the roof-rack top just can wind self axle center pivoted roll-over stand and locate on the first roll-over stand and first centre gripping mouth orientation the first clamping part of sheet material input, upset actuating mechanism with roll-over stand transmission fit is in order to drive first clamping part to the direction upset 180 degrees of sheet material output makes its first centre gripping mouth orientation the direction of sheet material output.

6. The slab feeder of claim 5, wherein: the sheet material tilting mechanism still including locating on the roll-over stand and second centre gripping mouth orientation the second clamping part of the direction of sheet material output, work as after first clamping part is turned over 180 degrees, the first centre gripping mouth orientation of first clamping part the sheet material output, the centre gripping mouth orientation of second clamping part the sheet material input.

7. The slab feeder of claim 6, wherein: the sheet material tilting mechanism still including locating one side of roof-rack and with upset actuating mechanism transmission fit is with can be along with its pivoted trip wheel, the roll-over stand includes the edge the width direction of roof-rack erects in the roof-rack top just can wind self axle center pivoted second pivot, locate in the second pivot corresponding to the installation piece in the space department between every two adjacent bracing pieces, first clamping part is located towards on the installation piece the one end of sheet material input, second clamping part is located towards on the installation piece the one end of sheet material output, the bottom of first centre gripping mouth and second centre gripping mouth all is less than the top surface of bracing piece.

8. The slab feeder of claim 7, wherein: first clamping part is including locating installation piece upper end orientation the first supporting rod of the one side of sheet material input end and locating installation piece lower extreme orientation the second supporting rod of the one side of sheet material input end, first supporting rod is higher than the top surface of roof-rack, the second supporting rod is located under first supporting rod and be less than the bottom surface of roof-rack, the second clamping part is located including the symmetry third supporting rod and the fourth supporting rod of the another side of installation piece, the fourth supporting rod is located under the third supporting rod, the third supporting rod is higher than the top surface of roof-rack, the fourth supporting rod is located under the third supporting rod and be less than the bottom surface of roof-rack.

9. The slab feeder of claim 7, wherein: the turnover wheel comprises a turnover wheel body and two groups of U-shaped clamping grooves which are arranged on the turnover wheel body and are opposite to each other in pairs to form a group, the turnover wheel body is divided into wheel blocks which are opposite to each other in pairs to form a group by four U-shaped clamping grooves, and the angle between every two adjacent U-shaped clamping grooves is 90 degrees;

10. The slab feeder of claims 1 to 9, wherein: the automatic control system comprises a first detection unit for detecting whether the plate is conveyed to the 180-degree turnover mechanism or not, a second detection unit for detecting whether the plate is turned over for 180 degrees or not, and a control unit electrically connected with the first detection unit, the second detection unit and the turnover driving mechanism, when the first detection unit detects the plate signals at the 180-degree turnover mechanism, the plate signals are sent to the control unit, the control unit controls the turnover control mechanism to work so as to turn over the plate turnover mechanism by 180 degrees, so that the sheet material is turned over by 180 degrees, when the second detection unit detects the 180-degree turning signal of the sheet material, and sending the overturning signal to the control unit, and controlling the overturning conveying mechanism to stop overturning by the control unit.