阅读说明：本技术 一种片材自动落料冲孔生产线的片材进料装置 (Sheet feeding device of automatic sheet blanking and punching production line ) 是由 谢传和 谢传海 张东红 于 2021-08-26 设计创作，主要内容包括：本发明涉及一种片材自动落料冲孔生产线的片材进料装置,它包括进料机架、进料输送线、进料定位组件以及片材压紧进料组件；所述进料输送线,设于进料机架上,用于往后输送片材；所述进料定位组件,设于进料机架上,位于进料输送线的后端,用于定位片材的位置；所述片材压紧进料组件,设于进料机架上,位于进料定位组件的后侧,用于压紧片材,并带动片材间歇往后输送给片材冲压模具。本发明通过进料输送线、进料定位组件以及片材压紧进料组件来实现片材进料、定向、间歇进料等工序,因此本发明的生产效率高,能匹配片材冲压模具的冲孔节奏和使得片材冲压模具的冲孔精确。(The invention relates to a sheet feeding device of an automatic sheet blanking and punching production line, which comprises a feeding rack, a feeding conveying line, a feeding positioning assembly and a sheet pressing and feeding assembly, wherein the feeding rack is arranged on the feeding conveying line; the feeding conveying line is arranged on the feeding rack and used for conveying the sheets backwards; the feeding positioning assembly is arranged on the feeding rack, is positioned at the rear end of the feeding conveying line and is used for positioning the sheet; the sheet pressing and feeding assembly is arranged on the feeding rack, is positioned on the rear side of the feeding positioning assembly and is used for pressing the sheet and driving the sheet to be conveyed to the sheet stamping die at intervals. According to the invention, the processes of feeding, orienting, intermittent feeding and the like of the sheet are realized through the feeding conveying line, the feeding positioning assembly and the sheet pressing and feeding assembly, so that the production efficiency is high, and the punching rhythm of the sheet punching die can be matched and the punching of the sheet punching die is accurate.)

1. A sheet feeding device of an automatic sheet blanking and punching production line comprises a feeding rack, a feeding conveying line, a feeding positioning assembly and a sheet pressing and feeding assembly;

the feeding conveying line is arranged on the feeding rack and used for conveying the sheets backwards;

the feeding positioning assembly is arranged on the feeding rack, is positioned at the rear end of the feeding conveying line and is used for positioning the sheet;

the sheet pressing and feeding assembly is arranged on the feeding rack, is positioned on the rear side of the feeding positioning assembly and is used for pressing the sheet and driving the sheet to be conveyed to the sheet stamping die at intervals.

2. The sheet feeding device of the automatic blanking and punching production line for sheets as claimed in claim 1, wherein the sheet pressing and feeding assembly includes an intermittent feeding motor, a first upper pressing roller, a first lower pressing roller, a two-sheet pressing cylinder and two first lifting slides, the two first lifting slides are slidably disposed on the feeding frame, two ends of the first upper pressing roller are respectively and horizontally rotatably connected to the two first lifting slides, the two sheet pressing cylinders are disposed on the feeding frame, the two sheet pressing cylinders respectively drive the two first lifting slides to slide up and down, the first lower pressing roller is horizontally and rotatably disposed on the feeding frame and located below the first upper pressing roller, the intermittent feeding motor drives the first upper pressing roller to horizontally rotate, and the first upper pressing roller drives the first lower pressing roller to rotate.

3. The sheet feeding device of the automatic blanking-punching production line of the sheet according to claim 2, the feeding positioning component comprises a positioning motor, a rear horizontal screw rod, a left positioning push plate and a right positioning push plate, the feeding frame is provided with a sheet feeding channel, the left positioning push plate and the right positioning push plate are respectively arranged at the left side and the right side of the sheet feeding channel in a horizontal sliding manner, the left positioning push plate and the right positioning push plate horizontally slide along the width direction of the feeding rack, the rear horizontal screw rod is horizontally and rotatably arranged on the feeding rack, the rear horizontal screw rod is in threaded connection with the left positioning push plate and the right positioning push plate, so that the left positioning push plate and the right positioning push plate move oppositely or back to back, the positioning motor is arranged on the feeding machine frame, and the rear horizontal screw rod is driven to rotate, and the threads of the threaded holes of the left positioning push plate and the right positioning push plate are opposite.

4. The sheet feeding device of the automatic sheet blanking and punching production line as claimed in claim 3, wherein the feeding positioning assembly further comprises a front horizontal screw rod, a left positioning pushing post and a right positioning pushing post, the front horizontal screw rod is horizontally and rotatably disposed on the feeding frame, the left positioning pushing post and the right positioning pushing post are respectively and horizontally slidably disposed on the left side and the right side of the pushing chain, the left positioning pushing post and the right positioning pushing post horizontally slide along the width direction of the feeding frame, the front horizontal screw rod is in threaded connection with the left positioning pushing post and the right positioning pushing post so that the left positioning pushing post and the right positioning pushing post move in opposite directions or in opposite directions, the positioning motor drives the front horizontal screw rod to rotate, and the threads of the threaded holes of the left positioning pushing post and the right positioning pushing post are opposite.

5. The sheet feeding device of the automatic blanking-punching production line of the sheet according to claim 4, the feeding positioning assembly also comprises a horizontal rotating shaft, a left material blocking cylinder and a right material blocking cylinder, the horizontal rotating shaft is horizontally and rotatably arranged on the feeding rack, the left positioning push plate and the right positioning push plate are respectively provided with a left material pressing assembly and a right material pressing assembly, the left material pressing assembly comprises a left lifting cylinder, a left base, a left upper pressing wheel, a left lower pressing wheel and a left lifting seat, the left base is arranged on the left positioning push plate, the left lifting seat is arranged on the left positioning push plate in a vertically sliding manner, the left lifting cylinder is arranged on the left base, and drives the left lifting seat to slide up and down, the left upper pressure wheel is rotatably arranged on the left lifting seat and is positioned above the left lower pressure wheel, the left material blocking cylinder is arranged on the left base, and a cylinder rod of the left material blocking cylinder is vertically upward; the right material pressing assembly comprises a right lifting cylinder, a right base, an upper right pressing wheel, a lower right pressing wheel and a right lifting seat, the right base is arranged on the right positioning push plate, the right lifting seat is arranged on the right positioning push plate in a vertically sliding mode, the right lifting cylinder is arranged on the right base and drives the right lifting seat to slide vertically, the upper right pressing wheel is rotatably arranged on the right lifting seat and is located above the lower right pressing wheel, the right material blocking cylinder is arranged on the right base, a cylinder rod of the right material blocking cylinder is vertically upward, the lower left pressing wheel and the lower right pressing wheel are sleeved on a horizontal rotating shaft, the intermittent feeding motor drives the horizontal rotating shaft to rotate, and the horizontal rotating shaft drives the lower left pressing wheel and the lower right pressing wheel to rotate.

6. The sheet feeding device of the automatic blanking and punching production line of sheets as claimed in claim 1, wherein the feeding conveyor line comprises a feeding motor, a pushing chain, a front chain wheel and a rear chain wheel, the feeding frame is provided with a plurality of supporting rollers along the feeding direction, the front chain wheel and the rear chain wheel are respectively rotatably arranged on the feeding frame, the pushing chain is connected with the front chain wheel and the rear chain wheel and is positioned between the front chain wheel and the rear chain wheel, the pushing chain is provided with a pushing plate, and the intermittent feeding motor is arranged on the feeding frame and drives the front chain wheel or the rear chain wheel to rotate.

Technical Field

The invention relates to the technical field of automatic sheet blanking and punching production lines, in particular to a sheet feeding device of an automatic sheet blanking and punching production line.

Background

When the sheet of the sheet stamping die of the current automatic sheet blanking and punching production line is punched, the sheet is automatically input into the sheet stamping die by the conveying belt, the conveying belt can only start the feeding function, but the existing conveying belt cannot match the interval punching step of the sheet stamping die, and the sheet stamping die is easy to punch and deflect, so that the punching efficiency of the sheet stamping die is low, and therefore, the structure of the automatic sheet blanking and punching production line needs to be further improved.

Disclosure of Invention

The invention aims to provide a sheet feeding device of an automatic sheet blanking and punching production line, which can realize directional feeding and intermittent feeding.

The purpose of the invention is realized as follows:

a sheet feeding device of an automatic sheet blanking and punching production line comprises a feeding rack, a feeding conveying line, a feeding positioning assembly and a sheet pressing feeding assembly.

The feeding conveying line is arranged on the feeding rack and used for conveying the sheets backwards.

The feeding positioning assembly is arranged on the feeding rack, is positioned at the rear end of the feeding conveying line and is used for positioning the position of the sheet.

The sheet pressing and feeding assembly is arranged on the feeding rack, is positioned on the rear side of the feeding positioning assembly and is used for pressing the sheet and driving the sheet to be conveyed to the sheet stamping die at intervals.

The present invention may be further improved as follows.

The sheet compresses tightly feeding subassembly and includes intermittent type feeding motor, first last compression roller, first compression roller, two sheets and compresses tightly cylinder and two first lift slides, two first lift slides slide up-and-down slide locate the feeding frame, the both ends of first last compression roller are horizontal rotation respectively and are connected on two first lift slides, two sheets compress tightly the cylinder and locate the feeding frame on, two sheets compress tightly the cylinder and drive two first lift slides up-and-down slide respectively, first compression roller horizontal rotation is located in the feeding frame to be located the first below of going up the compression roller, the first compression roller horizontal rotation of going up of intermittent type feeding motor drive, first compression roller drive first compression roller rotation down.

The feeding positioning assembly comprises a positioning motor, a rear horizontal lead screw, a left positioning push plate and a right positioning push plate, a sheet feeding channel is arranged on the feeding rack, the left side and the right side of the sheet feeding channel are respectively horizontally arranged on the left positioning push plate and the right positioning push plate in a sliding manner, the left positioning push plate and the right positioning push plate horizontally slide along the width direction of the feeding rack, the rear horizontal lead screw is horizontally arranged on the feeding rack in a rotating manner, the rear horizontal lead screw is in threaded connection with the left positioning push plate and the right positioning push plate so as to enable the left positioning push plate and the right positioning push plate to move in opposite directions or move in opposite directions, the positioning motor is arranged on the feeding rack and drives the rear horizontal lead screw to rotate, and threads of threaded holes of the left positioning push plate and the right positioning push plate are opposite.

The feeding positioning assembly further comprises a front horizontal lead screw, a left positioning push column and a right positioning push column, the front horizontal lead screw is horizontally rotated and arranged on the feeding rack, the left positioning push column and the right positioning push column are respectively horizontally slid and arranged on the left side and the right side of the pushing chain, the left positioning push column and the right positioning push column are horizontally slid along the width direction of the feeding rack, the front horizontal lead screw is in threaded connection with the left positioning push column and the right positioning push column so that the left positioning push column and the right positioning push column move oppositely or move oppositely, the positioning motor drives the front horizontal lead screw to rotate, and the threads of the threaded holes of the left positioning push column and the right positioning push column are opposite.

The feeding positioning assembly further comprises a horizontal rotating shaft, a left material blocking cylinder and a right material blocking cylinder, the horizontal rotating shaft is horizontally and rotatably arranged on the feeding rack, a left material pressing assembly and a right material pressing assembly are respectively arranged on the left positioning push plate and the right positioning push plate, the left material pressing assembly comprises a left lifting cylinder, a left base, an upper left pressing wheel, a lower left pressing wheel and a left lifting seat, the left base is arranged on the left positioning push plate, the left lifting seat is vertically and slidably arranged on the left positioning push plate, the left lifting cylinder is arranged on the left base and drives the left lifting seat to slide up and down, the upper left pressing wheel is rotatably arranged on the left lifting seat and is positioned above the lower left pressing wheel, the left material blocking cylinder is arranged on the left base, and a cylinder rod of the left material blocking cylinder is vertically upward; the right material pressing assembly comprises a right lifting cylinder, a right base, an upper right pressing wheel, a lower right pressing wheel and a right lifting seat, the right base is arranged on the right positioning push plate, the right lifting seat is arranged on the right positioning push plate in a vertically sliding mode, the right lifting cylinder is arranged on the right base and drives the right lifting seat to slide vertically, the upper right pressing wheel is rotatably arranged on the right lifting seat and is located above the lower right pressing wheel, the right material blocking cylinder is arranged on the right base, a cylinder rod of the right material blocking cylinder is vertically upward, the lower left pressing wheel and the lower right pressing wheel are sleeved on a horizontal rotating shaft, the intermittent feeding motor drives the horizontal rotating shaft to rotate, and the horizontal rotating shaft drives the lower left pressing wheel and the lower right pressing wheel to rotate.

The feeding conveying line comprises a feeding motor, a pushing chain, a front chain wheel and a rear chain wheel, a plurality of supporting rollers are arranged on the feeding rack along the feeding direction of the feeding motor, the front chain wheel and the rear chain wheel rotate respectively to be arranged on the feeding rack, the pushing chain is connected with the front chain wheel and the rear chain wheel and is arranged between the front chain wheel and the rear chain wheel, a pushing plate is arranged on the pushing chain, and the feeding motor is arranged on the feeding rack and drives the front chain wheel or the rear chain wheel to rotate.

The invention has the following beneficial effects:

the sheet material feeding, orienting, intermittent feeding and other processes are realized through the feeding conveying line, the feeding positioning assembly and the sheet material pressing and feeding assembly, so that the production efficiency is high, the punching rhythm of the sheet material punching die can be matched, and the punching of the sheet material punching die is accurate.

In addition, in the punching of the sheet punching die, the sheet is clamped by the first upper pressing roller and the first lower pressing roller, so that the sheet is prevented from being brought up by a raised punch of the sheet punching die and further from being bent.

Drawings

Fig. 1 is a schematic structural diagram of a sheet feeding device of an automatic blanking and punching production line for sheets.

Fig. 2 is a schematic structural diagram of another angle of the automatic blanking and punching production line for sheet materials.

Fig. 3 is a schematic view of the connection structure of the feeding positioning assembly and the sheet pressing feeding assembly of the present invention.

Fig. 4 is a schematic view of the structure of fig. 3 from another angle.

Fig. 5 is an exploded view of the feed positioning assembly and the sheet hold down feed assembly of the present invention.

Detailed Description

The invention is further described with reference to the following figures and examples.

In a first embodiment, as shown in fig. 1 to 5, a sheet feeding device of an automatic sheet blanking and punching production line includes a feeding frame 21, a feeding conveyor line 22, a feeding positioning assembly 23, and a sheet pressing and feeding assembly 24;

the feeding conveying line 22 is arranged on the feeding rack 21 and used for conveying the sheets backwards.

The feeding positioning assembly 23 is arranged on the feeding rack 21, is positioned at the rear end of the feeding conveying line 22, and is used for positioning the sheet.

The sheet pressing and feeding assembly 24 is arranged on the feeding rack 21, is positioned on the rear side of the feeding positioning assembly 23, and is used for pressing the sheet and driving the sheet to be conveyed backwards intermittently.

The present invention is a more specific embodiment.

The feeding conveying line 22 comprises a feeding motor 221, a pushing chain 222, a front chain wheel 223 and a rear chain wheel, a plurality of supporting rollers 224 are arranged on the feeding rack 21 along the feeding direction of the feeding rack, the front chain wheel 223 and the rear chain wheel are respectively arranged on the feeding rack 21 in a rotating mode, the pushing chain 222 is connected with the front chain wheel 223 and the rear chain wheel and is located between the front chain wheel 223 and the rear chain wheel, a pushing plate 225 is arranged on the pushing chain 222, the feeding motor 221 is arranged on the feeding rack 21 and drives the front chain wheel 223 or the rear chain wheel to rotate.

The sheet pressing and feeding assembly 24 comprises an intermittent feeding motor 241, a first upper pressing roller 244, a first lower pressing roller 245, two sheet pressing cylinders 242 and two first lifting sliding bases 243, the two first lifting sliding bases 243 are arranged on the feeding rack 21 in a vertically sliding mode, two ends of the first upper pressing roller 244 are respectively connected to the two first lifting sliding bases 243 in a horizontally rotating mode, the two sheet pressing cylinders 242 are arranged on the feeding rack 21, the two sheet pressing cylinders 242 respectively drive the two first lifting sliding bases 243 to slide vertically, the first lower pressing roller 245 is arranged on the feeding rack 21 in a horizontally rotating mode and located below the first upper pressing roller 244, the intermittent feeding motor 241 drives the first upper pressing roller 244 to horizontally rotate, and the first upper pressing roller 244 drives the first lower pressing roller 245 to rotate.

The feeding positioning assembly 23 comprises a positioning motor 231, a rear horizontal screw rod 232, a left positioning push plate 233, a right positioning push plate 234, a front horizontal screw rod 236, a left positioning push column 237, a right positioning push column 238, a horizontal rotating shaft 239, a left material blocking cylinder 211 and a right material blocking cylinder 213, a sheet feeding channel 235 is arranged on the feeding frame 21, the left positioning push plate 233 and the right positioning push plate 234 are respectively arranged at the left side and the right side of the sheet feeding channel 235 in a horizontal sliding manner, the left positioning push plate 233 and the right positioning push plate 234 horizontally slide along the width direction of the feeding frame 21, the rear horizontal screw rod 232 is horizontally and rotatably arranged on the feeding frame 21, the rear horizontal screw rod 232 is in threaded connection with the left positioning push plate 233 and the right positioning push plate 234 so that the left positioning push plate 233 and the right positioning push plate 234 move in opposite directions or in opposite directions, the positioning motor 231 is arranged on the feeding frame 21 and drives the rear horizontal screw rod 232 to rotate, the threads of the threaded holes of the left positioning push plate 233 and the right positioning push plate 234 are opposite.

The front horizontal screw rod 236 is horizontally and rotatably arranged on the feeding frame 21, the left positioning push column 237 and the right positioning push column 238 are respectively and horizontally arranged on the left side and the right side of the pushing chain 222 in a sliding manner, the left positioning push column 237 and the right positioning push column 238 horizontally slide along the width direction of the feeding frame 21, the front horizontal screw rod 236 is in threaded connection with the left positioning push column 237 and the right positioning push column 238, so that the left positioning push column 237 and the right positioning push column 238 move in opposite directions or in opposite directions, the positioning motor 231 drives the front horizontal screw rod 236 to rotate, and the threads of the threaded holes of the left positioning push column 237 and the right positioning push column 238 are opposite.

Horizontal rotating shaft 239 horizontal rotation locates on feeding frame 21, it presses material subassembly 25 and right side to be equipped with a left side on location push pedal 233 and the right location push pedal 234 respectively and presses material subassembly 26, a left side is pressed material subassembly 25 to include left lift cylinder 27, left base 28, left side top pinch roller 29, left side down pinch roller 20 and left lift seat 210, left side base 28 is located on the push pedal of left side location, left side lift seat 210 slides from top to bottom and locates on the push pedal of left side location, left side lift cylinder 27 is located on left base 28 to drive left side lift seat 210 and slide from top to bottom, left side top pinch roller 29 rotates and locates on left lift seat 210 to be located the top of left side down pinch roller 20. The left material blocking cylinder 211 is arranged on the left base 28, and a cylinder rod of the left material blocking cylinder 211 is vertically upward.

The right pressing assembly 26 comprises a right lifting cylinder 271, a right base 281, an upper right pressing wheel 291, a lower right pressing wheel 201 and a right lifting seat 212, the right base 281 is arranged on a right positioning push plate, the right lifting seat 212 is arranged on the right positioning push plate in a vertical sliding manner, the right lifting cylinder 271 is arranged on the right base 281 and drives the right lifting seat 212 to slide vertically, the upper right pressing wheel is rotatably arranged on the right lifting seat 212 and is positioned above the lower right pressing wheel 201, the right material blocking cylinder 213 is arranged on the right base 281, and a cylinder rod of the right material blocking cylinder 213 is vertically upward.

The left lower pressing wheel 20 and the right lower pressing wheel 201 are sleeved on the horizontal rotating shaft 239, the intermittent feeding motor drives the horizontal rotating shaft to rotate, and the horizontal rotating shaft drives the left lower pressing wheel 20 and the right lower pressing wheel 201 to rotate.

A motor shaft of the positioning motor 231 is provided with a central belt pulley 2310, the right end of the rear horizontal screw rod 232 and the right end of the front horizontal screw rod 236 are respectively provided with a rear transmission belt pulley 2311 and a front transmission belt pulley 2312, the right end of the rear horizontal screw rod 232 and the front horizontal screw rod 236 are respectively positioned at the front side and the rear side of the positioning motor, the central belt pulley 2310 drives the rear transmission belt pulley 2311 and the front transmission belt pulley 2312 to synchronously rotate forwards or backwards through a transmission belt (not shown in the figure), further drives the rear horizontal screw rod 232 and the front horizontal screw rod 236 to rotate forwards or backwards, finally drives the left positioning push pillar 233 and the right positioning push pillar 238 to be folded or separated oppositely, and drives the left positioning push plate 233 and the right positioning push plate 234 to be folded or separated oppositely.

A first belt wheel 246 is arranged on a motor shaft of the intermittent feeding motor, a second belt wheel 247 is arranged at the left end of the first lower pressing roller, a third belt wheel 240 is arranged at the left end of the horizontal rotating shaft 239, and the first belt wheel 246 drives the second belt wheel 247 and the third belt wheel 240 to rotate through a first synchronous belt 230, so that the first upper pressing roller 244 and the horizontal rotating shaft 239 are driven to rotate.

The left end of the first upper pressing roller 244 and the left end of the first lower pressing roller 245 are respectively provided with a first gear 248 and a second gear 249, and the first gear 248 and the second gear 249 are meshed, so that the first upper pressing roller 244 drives the first lower pressing roller 245 to synchronously rotate.

The working principle of the invention is as follows:

before the sheet feeding device works, a sheet is grabbed by the sheet feeding device and placed on the feeding conveying line 22, the feeding motor 221 drives the material pushing chain 222, the front chain wheel 223 and the rear chain wheel to rotate together, the material pushing plate 225 on the material pushing chain 222 pushes the sheet backwards, meanwhile, the positioning motor 231 drives the left positioning pushing column 237 and the right positioning pushing column 238 to move oppositely and drives the left positioning pushing plate 233 and the right positioning pushing plate 234 to move oppositely, and the sheet is pushed to the middle position of the feeding conveying line 22, so that the end part of the sheet can be aligned with the sheet feeding channel 235 and enter the sheet feeding channel. When a sheet enters the sheet feeding channel 235, the left positioning push plate 233 and the right positioning push plate 234 also position the sheet, so as to realize positioning and conveying the sheet, when the sheet leaves the sheet feeding channel 235, the sheet is separated from the feeding conveying line 22, the pusher plate 225 no longer pushes the sheet backwards, then the sheet rises along with the cylinder rod of the left material blocking cylinder 211, the end of the sheet is blocked by the cylinder rod, the sheet is positioned between the upper pinch roller 29 and the lower pinch roller 20, then, the left lifting cylinder 27 drives the left lifting seat 210 and the left upper pinch roller 29 to fall, the right lifting cylinder 271 drives the right lifting seat 212 and the right upper pinch roller 291 to fall, the left upper pinch roller 29, the left lower pinch roller 20, the right upper pinch roller 291 and the right lower pinch roller 201 clamp the sheet up and down, then, the intermittent feeding motor 241 drives the horizontal rotating shaft 239, the right lower pinch roller 201 and the left lower pinch roller 20 to rotate, the right lower pinch roller 201, the right upper pinch roller 291, the left upper pinch roller 29 and the left lower pinch roller 20 drive the sheet to move forward to a position between the first upper pinch roller 244 and the first lower pinch roller 245, the two sheet pressing cylinders 242 drive the two first lifting sliding bases 243 to slide downwards, the first upper pressing roller 244 moves downwards, the first upper pressing roller 244 and the first lower pressing roller 245 clamp the sheet vertically, the intermittent feeding motor 241 drives the first upper pressing roller 244 to horizontally rotate, the first upper pressing roller 244 drives the first lower pressing roller 245 to rotate, the first upper pressing roller 244 and the first lower pressing roller drive the sheet to move backwards into the sheet stamping die, then the sheet stamping die stops rotating, the sheet stamping die punches the sheet, after the sheet stamping die punches a hole, the intermittent feeding motor 241 drives the first upper pressing roller 244 to rotate for a certain number of turns, the sheet moves backwards for a set distance, the sheet stamping die punches the sheet again, the operation is repeated until the holes in the sheet are punched, and the sheet is conveyed away.