CN109570346B

CN109570346B - Automatic stamping bending equipment

Info

Publication number: CN109570346B
Application number: CN201910065279.4A
Authority: CN
Inventors: 徐浚木; 王必海
Original assignee: Huizhou Junpeng Technology Co ltd
Current assignee: Huizhou Junpeng Technology Co ltd
Priority date: 2019-01-23
Filing date: 2019-01-23
Publication date: 2023-12-22
Anticipated expiration: 2039-01-23
Also published as: CN109570346A

Abstract

The invention relates to an automatic stamping and bending device, comprising: automatic punching device: the device comprises a punching machine frame, a punching die and a guiding device, wherein the punching die is arranged on the punching machine frame and comprises an upper die, a plurality of rows of punching pins, an adjusting piece, a positioning piece and a lower die, one end of the punching pin extends out from one end of the upper die, the adjusting piece is removably arranged in the upper die and is abutted to part of the punching pins, the positioning piece can fix the punching pins, the lower die is matched with the upper die to punch a workpiece, and the guiding device outputs the punched workpiece; the feeding device outputs the workpiece; bending machine: the bending machine comprises a bending machine frame, a first driving piece, a bending tool bit, a bending base and a supporting arm, wherein the bending tool bit is matched with the bending base to bend a workpiece, the supporting arm is connected with a connecting arm, and the connecting arm drives the supporting arm to turn over towards the direction of the bending tool bit and support the workpiece. The automatic punching and bending equipment can meet various punching requirements, and bending is more stable and accurate.

Description

Automatic stamping bending equipment

Technical Field

The invention relates to the technical field of bridge wire slot sheet metal part machining, in particular to automatic stamping and bending equipment.

Background

In the processing operation of current bridge wire casing sheet metal component, when punching a hole to bridge wire casing sheet metal component, often need change cut-out press and satisfy different needs of punching a hole to adopt manual blowing and pay-off generally when punching a hole to the sheet metal component, production processing's efficiency is lower, can waste a large amount of man-hours and increase manufacturing cost, and still has some processing risks.

In addition, when the sheet metal component is bent, because the fixing of sheet metal component is not stable enough, when the sheet metal component is pushed down by the tool bit of bending, the sheet metal component can take place the perk, causes the bad of bending. In order to avoid the occurrence of the bad phenomenon, when one end of the metal plate is bent, the other end is generally fixed by manpower, the processing efficiency is low, and the labor cost is high.

Disclosure of Invention

Based on this, it is necessary to provide an automatic punching and bending device which can meet various punching demands and is more stable and accurate in bending, aiming at the problems of low punching efficiency and poor bending caused by easy position deviation during bending operation.

An automatic stamping bending apparatus comprising:

an automatic punching device comprising: a punching frame; the punching die comprises an upper die, a plurality of rows of punching pins, an adjusting piece, a positioning piece and a lower die, wherein the plurality of rows of punching pins are arranged in the upper die, the number of the punching pins in each row is at least two, the punching pins are provided with punching heads, the punching heads extend out from one end of the upper die, the adjusting piece is removably arranged in the upper die and is abutted with part of the punching pins, after the adjusting piece is removed, part of the punching pins are retracted into the upper die, the positioning piece is arranged on the upper die and is used for fixing the positions of the punching pins, the lower die is provided with holes matched with the punching pins, and the lower die is matched with the upper die to punch a workpiece; the guiding device is arranged on the punching frame and positioned at the first side of the punching die, and outputs a punched workpiece;

the feeding device is provided with a feeding end and a discharging end, and the feeding end is connected with the guiding-out device; a kind of electronic device with high-pressure air-conditioning system

A bending machine, comprising: the bending rack is connected with the discharge end; the first driving piece is arranged on the bending frame; the bending tool bit is linked with the first driving piece; the bending base is arranged on the bending frame, the first driving piece drives the bending tool bit to move towards the bending base, and the bending tool bit is matched with the bending base to bend the punched workpiece; the connecting arm is rotatably arranged on the bending frame and connected with the connecting arm, and drives the connecting arm to turn over towards the direction of the bending tool bit and hold up the punched workpiece.

The automatic punching and bending equipment is used for punching the bridge wire slot sheet metal part and then bending. When the upper die is installed, the adjusting piece is propped against the punching needle which does not need to be punched, and then the adjusting piece is removed, so that the punching needle which does not need to be punched is retracted into the upper die and fixed through the positioning piece. The punching machine has the advantages that part of the punching needles can not extend out of the upper die according to the punching requirement, the punching process is not participated, and various punching specifications can be set according to the hole diameter requirement, so that punching with different specifications, different positions and different numbers can be achieved. The workpiece can be stably and continuously conveyed to the bending position through the feeding device, and when the workpiece is bent, the connecting arm can be rotated to drive the supporting arm to upwards support the workpiece, and the downward driving force can be generated due to bending, so that the upward supporting force of the supporting arm can form stable auxiliary force, the other end of the workpiece is prevented from tilting when one end of the workpiece is bent, and the workpiece is not stably supported, so that the bending position is deviated.

In one embodiment, a cavity is formed in the upper die, a part of the punching needle can be movably arranged in the upper die up and down, the cavity is penetrated, and the adjusting piece is detachably arranged in the cavity.

In one embodiment, the adjusting member includes a first adjusting block, the first adjusting block is abutted with two punching needles in one row, the two punching needles penetrate through the cavity, and after the first adjusting block is removed from the cavity, the two punching needles are retracted into the cavity and are positioned by the adjusting member.

In one embodiment, the middle part of the connecting arm is rotatably connected with the bending frame, the first end of the connecting arm is fixedly connected with the supporting arm, and the second end of the connecting arm is a free end.

In one embodiment, the bending machine further comprises a top block and a rotating block, the top block is linked with the first driving piece, the rotating block is fixedly connected with the middle part of the connecting arm, and the first driving piece drives the top block to move towards the bending base and prop against the rotating block, so that the rotating block rotates to drive the first end of the connecting arm to tilt up towards the bending tool bit.

In one embodiment, the rotating block is cylindrical, a V-shaped notch is formed in the outer side surface of the rotating block in a recessed manner, and the jacking block props against the inner wall of the V-shaped notch to enable the rotating block to rotate so as to drive the first end of the connecting arm to tilt.

In one embodiment, a feeding device includes: the feeding rack is arranged between the guiding-out device and the supporting arm; the second driving piece is arranged on the feeding rack; the pushing piece comprises a first connecting rod and a pushing piece, one end of the first connecting rod is linked with the second driving piece, the pushing piece is rotationally connected with the other end of the first connecting rod, the pushing piece is provided with a pushing end, the second driving piece drives the first connecting rod to move towards the bending base, so that the pushing end of the pushing piece is abutted with the workpiece with the punched hole, and the workpiece with the punched hole is pushed to the position of the bending base; the second driving piece drives the first connecting rod to move away from the bending base, the pushing piece can be enabled to rotate downwards under the action of gravity of the next workpiece, and the pushing piece returns to the original position along the bottom of the next workpiece.

In one embodiment, the second driving piece comprises a first servo motor, a first screw rod and a first connecting block, the first servo motor is arranged on the feeding frame, the first servo motor is linked with one end of the first screw rod, the first screw rod is rotatably arranged on the feeding frame, one end of the first screw rod extends towards the direction of the bending base, the first connecting block is provided with a first threaded hole, the first threaded hole is in threaded connection with the first screw rod, one end of the first connecting rod is fixedly connected with the first connecting block, and the first servo motor drives the first screw rod to rotate so that the first connecting block drives the first connecting rod to move along the length direction of the first screw rod.

In one embodiment, the device further comprises a discharge device, the discharge device comprising: the discharging rack is arranged on one side, far away from the bracket arm, of the bending rack; the third driving piece is arranged on the discharging rack; the material sucking piece comprises a second connecting rod and a material sucking piece, one end of the second connecting rod is linked with the third driving piece, the material sucking piece is connected with the other end of the second connecting rod, the material sucking piece is provided with a material sucking end, and the third driving piece drives the second connecting rod to move towards the bending rack, so that the material sucking end of the material sucking piece is adsorbed with a processed workpiece; the third driving piece drives the second connecting rod to move away from the bending machine frame, so that the suction block pulls out the machined workpiece from the bending machine frame.

In one embodiment, the third driving piece comprises a second servo motor, a second screw rod and a second connecting block, the second servo motor is arranged on the discharging rack, the second servo motor is linked with one end of the second screw rod, the second screw rod is rotatably arranged on the discharging rack, one end of the second screw rod extends towards the direction of the bending rack, the second connecting block is provided with a second threaded hole, the second threaded hole is in threaded connection with the second screw rod, one end of the second connecting rod is fixedly connected with the second connecting block, and the second servo motor drives the second screw rod to rotate so that the second connecting block drives the second connecting rod to move along the length direction of the second screw rod.

Drawings

FIG. 1 is a schematic diagram of an embodiment of an automatic stamping and bending apparatus according to the present invention;

FIG. 2 is a schematic structural view of an embodiment of a punching die in the automatic punching and bending apparatus shown in FIG. 1;

FIG. 3 is a schematic view of the upper die of the punching die shown in FIG. 2;

FIG. 4 is a schematic view showing the internal structure of the upper mold shown in FIG. 2;

fig. 5 is a schematic structural view of a lower die in the punching die shown in fig. 2.

Fig. 6 is a schematic diagram of a matching structure of a bending machine, a feeding device and a discharging device in the automatic punching and bending equipment shown in fig. 1;

FIG. 7 is a schematic view of an embodiment of a bending machine of the automatic stamping and bending apparatus of FIG. 1;

fig. 8 is a schematic view of a reference structure of the bending machine shown in fig. 7 in a use state;

FIG. 9 is an enlarged partial schematic view of FIG. 8A;

FIG. 10 is a schematic structural view of an embodiment of a feeding device in the automatic stamping and bending apparatus shown in FIG. 1;

FIG. 11 is a schematic view of a pusher member of the feeder apparatus of FIG. 10;

fig. 12 is a schematic structural view of an embodiment of a discharging device in the automatic press bending apparatus shown in fig. 1.

In the drawings, the list of components represented by the various numbers is as follows:

1. automatic stamping and bending equipment; 110. a punching frame; 120. punching a die; 121. an upper die; 122. punching needles; 123. a positioning piece; 124. a lower die; 125. a hole; 126. an adjusting member; 127. a first adjustment block; 128. a second adjustment block; 129. a third adjustment block; 130. a first guide post; 131. a second guide post; 140. a deriving device; 150. a shearing device; 160. an introduction device; 10. a feeding rack; 20. a second driving member; 30. a pushing member; 31. a first connecting rod; 32. a pushing piece; 33. a first absorbent member; 34. a first abutment block; 40. a first cross bar; 50. a first slider; 60. a first slide rail; 70. a first rotating member; 71. a chain; 80. a work table; 90. a discharging rack; 91. a second connecting rod; 92. a suction block; 93. a second servo motor; 94. a second screw rod; 95. a second cross bar; 96. a second slide rail; 97. a second rotating member; 200. bending machine; 210. bending a frame; 220. a first driving member; 230. bending the cutter head; 240. bending the base; 250. a connecting arm; 260. a bracket arm; 262. a roller; 270. a top block; 280. a rotating block; 282. a V-shaped notch; 290. a connecting rod; 300. a workpiece; 400. and (3) a finished workpiece.

Detailed Description

In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit or scope of the invention, which is therefore not limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

Referring to fig. 1, in one embodiment, an automatic press bending apparatus 1 includes: automatic punching device, lead-out device 140, feeding device and bending machine 200. Workpiece 300 is guided out by a guiding device after being punched by an automatic punching device, and is conveyed into bending machine 200 to be bent through a feeding device.

Specifically, the automatic punching device includes a punching frame 110, a punching die 120, and a guide out device 140. The punching die 120 is disposed on the punching frame 110. Referring to fig. 2, the punching die 120 includes: upper die 121, multiple rows of punch pins 122, adjustment members 126, positioning members 123, and lower die 124. The multiple rows of punching pins 122 are arranged in the upper die 121, the number of the punching pins 122 in each row is at least two, the punching pins 122 are provided with punch heads, and the punch heads can extend out from one end of the upper die 121; the adjusting piece 126 is removably disposed in the upper die 121 and abuts against a portion of the punch pin 122, and the portion of the punch pin 122 is retracted into the upper die 121 after the adjusting piece 126 is removed. The positioning member 123 is disposed on the upper die 121 and is used for fixing the position of the punch pin 122. The lower die 124 is provided with a hole 125 which is matched with the punch pin 122, and the lower die 124 is matched with the upper die 121 to punch the workpiece 300. When the upper die 121 is installed, the punch pin 122 which does not need to be punched is abutted against by the adjusting piece 126, then the adjusting piece 126 is removed, so that the punch pin 122 which does not need to be punched is retracted, the punch head is hidden in the upper die 121, and the punch pin 122 is fixed by the positioning piece 123. The guiding device 140 is disposed on the punching frame 110 and located on the discharging side of the punching die 120, and the guiding device 140 outputs the punched workpiece 300. The punching machine can selectively enable part of the punching needles 122 not to extend out of the upper die 121 according to the punching requirement, and not to participate in punching processing, and the punching specification can be provided with various types according to the hole diameter requirement, so that punching with different specifications, different positions and different numbers is realized. The die can be quickly set according to the product specification requirements of customers, and the processing of punching holes with various specifications is realized.

The feeding device has a feeding end and a discharging end, and the feeding end is connected with the guiding device 140.

Referring to fig. 7, bending machine 200 includes: the bending rack 210 is connected with the discharge end of the feeding device; the first driving piece 220 is arranged on the bending frame 210; a bending cutter 230 coupled to the first driving member 220; the bending base 240 is arranged on the bending frame 210, and the first driving piece 220 drives the bending tool bit 230 to move towards the bending base 240 and is matched with the bending base 240 to bend the workpiece 300; the connecting arm 250 is rotatably arranged on the bending frame 210, and the supporting arm 260 is connected with the connecting arm 250, and the connecting arm 250 drives the supporting arm 260 to turn over towards the bending tool bit 230 and support the workpiece 300. When bending, the connecting arm 250 can rotate to drive the supporting arm 260 to upwards support the workpiece 300, and the downward driving force is generated due to bending, so that the upward supporting force of the supporting arm 260 can form stable auxiliary force to prevent the other end from tilting when one end of the workpiece 300 is bent, and the bending position is not stably supported, so that the bending position is deviated.

In an embodiment, referring to fig. 3, considering that it is more convenient to retract the punching pin 122 that does not need to be punched, a cavity is formed in the upper die 121, and a portion of the punching pin 122 is movably disposed in the upper die 121 up and down and penetrates through the cavity, and the adjusting member 126 is detachably disposed in the cavity. When the part of the punching needle 122 is not needed to punch, the adjusting piece 126 abutting against the part of the punching needle 122 is only needed to be removed, so that the part of the punching needle 122 is retracted into the cavity, and the punching head is hidden in the upper die 121 and is fixed by the positioning piece 123.

Referring to fig. 4, in one embodiment, the adjustment member 126 includes a first adjustment block 127. The first adjusting block 127 abuts against two punching pins 122 in one row, the two punching pins 122 penetrate through the cavity, and after the first adjusting block 127 is removed from the cavity, the two punching pins 122 are retracted into the cavity and are positioned by the adjusting piece 126.

In one embodiment, the punch pin 122 is provided with at least three rows and the adjustment member 126 includes a first adjustment block 127, a second adjustment block 128, and a third adjustment block 129. One end of the first adjusting block 127 and one end of the third adjusting block 129 are respectively connected to two opposite ends of the second adjusting block 128, the first adjusting block 127 is abutted against one row of the punching needles 122, the third adjusting block 129 is abutted against the other row of the two punching needles 122, the second adjusting block 128 is abutted against one punching needle 122 of the other row between the first adjusting block 127 and the third adjusting block 129, the abutted punching needles 122 penetrate through the cavity, and after the first adjusting block 127, the second adjusting block 128 and the third adjusting block 129 are removed from the cavity, the abutted punching needles 122 are retracted into the cavity and are positioned through the adjusting piece 126. The adjustment of the plurality of punching pins 122 can be realized, and various punching requirements are satisfied.

Referring to fig. 4, in one embodiment, the punch pins 122 are arranged in six rows, and the number of the punch pins 122 in each row is two, which corresponds to the arrangement of the punch pins 122 in six rows and two columns. The first adjusting block 127 and the third adjusting block 129 support the first row and the last row of punching pins 122, and the second adjusting block 128 supports one punching pin 122 of the second row, the third row, the fourth row and the fifth row, so that four through holes can be punched on the workpiece 300.

Of course, it is also possible to press one row of six punching pins 122 against the workpiece 300 by providing only the second adjusting block 128, so that another row of six through holes can be punched. Only the first adjusting block 127 and the third adjusting block 129 may be provided to press the punch pins 122 of the first row and the sixth row against each other, so as to punch eight through holes in the second row, the third row, the fourth row, and the fifth row of the workpiece. The first adjusting block 127 may be provided to press the first row of the punch pins 122 and the second row of the punch pins 122 against each other, and the third adjusting block 129 may be provided to press the fifth row of the punch pins 122 and the sixth row of the punch pins 122 against each other, so as to punch four through holes in total in the third row of the punch pins and the fourth row of the punch pins on the workpiece 300. It will be appreciated that the first, second and third adjustment blocks 127, 128 and 129 can be optionally provided to effect different gauges, different positions and different numbers of punches against the corresponding punch pins 122, without limitation.

In order to make the positioning of each punch pin 122 more firm, the punch pins 122 are provided with mounting positions, and the positioning pieces 123 penetrate the upper die 121 and cooperate with the mounting positions to position the punch pins 122.

In a specific embodiment, the mounting positions include a first clamping position and a second clamping position, the first clamping position and the second clamping position are vertically spaced and arranged on the punch pin 122, the positioning member 123 penetrates through the upper die 121 and cooperates with the first clamping position to enable the punch head of the punch pin 122 to extend out of the upper die 121 for positioning, or the positioning member 123 penetrates through the upper die 121 and cooperates with the second clamping position to enable the punch head of the punch pin 122 to be hidden in the upper die 121.

The positioning member 123 may be a screw, and the first clamping position and the second clamping position may be threaded holes formed in the punch pin 122, and the positioning member 123 is in threaded fit with the threaded holes through the screw to position the punch pin 122. The positioning member 123 may also be a fixing rod, and the first clamping position and the second clamping position may be clamping holes arranged on the punch pin 122, and the fixing rod passes through the clamping holes to enable the positioning member 123 to position the punch pin 122.

Referring to fig. 5, the punching die 120 further includes a first guide post 130 and a second guide post 131. The first guide post 130 and the second guide post 131 are arranged on one surface of the lower die 124 facing the upper die 121 at intervals, the workpiece 300 is positioned between the first guide post 130 and the second guide post 131, and the upper die 121 is provided with a avoiding hole matched with the first guide post 130 and the second guide post 131. The workpiece 300 is positioned by the first guide post 130 and the second guide post 131, so that the punching position is more accurate. It will be appreciated that a plurality of piercing dies 120 may be positioned side by side as desired for piercing.

Referring to fig. 6, a bending machine 200 is respectively connected with a feeding device and a discharging device, a workpiece 300 after punching is transmitted to the bending machine 200 through the feeding device for bending, and a processed workpiece 400 is transmitted to a storage device through the discharging device.

Referring to fig. 7, in the embodiment of bending machine 200, the middle portion of connecting arm 250 is rotatably connected to bending frame 210, the first end of connecting arm 250 is fixedly connected to supporting arm 260, and the second end of connecting arm 250 is a free end. The connecting arm 250 can be made more stable when driving the supporting arm 260 to turn upwards.

It should be noted that, grooves for bending the workpiece 300 are formed at the top and bottom of the bending base 240, and the depths of the two grooves are different. A deeper depth for bending the thicker work 300; a shallower depth is used to bend the thinner workpiece 300. The bending base 240 is rotatably provided on the bending frame 210, and the top groove is selected to bend or the bottom groove is selected to bend as needed.

In order to facilitate driving the connecting arm 250 to rotate and driving the supporting arm 260 to support the workpiece 300 upwards during bending, the bending machine further comprises a top block 270 and a rotating block 280. The ejector block 270 is linked with the first driving piece 220, the rotating piece 280 is fixedly connected with the middle part of the connecting arm 250, and the first driving piece 220 drives the ejector block 270 to move towards the bending base 240 and press the rotating piece 280, so that the rotating piece 280 rotates to drive the first end of the connecting arm 250 to tilt towards the bending cutter head 230. The rotating block 280 may be fixedly connected to the middle portion of the connecting arm 250 by a screw.

Referring to fig. 9, in an embodiment, the rotating block 280 is cylindrical, and a V-shaped notch 282 is formed on an outer side surface thereof and recessed inward, and the top block 270 abuts against an inner wall of the V-shaped notch 282 to rotate the rotating block 280 to drive the first end of the connecting arm 250 to tilt. In a specific application, continuous experiments and researches show that when one end of the workpiece 300 is bent, the other end of the workpiece 300 is lifted by an angle of 45 degrees, namely, the angle between the other end of the workpiece 300 and the horizontal plane is 45 degrees. The included angle between the two side walls of the V-shaped notch 282 of the rotating block 280 is an obtuse angle, and when the top block 270 abuts against the side wall of the V-shaped notch 282, the rotating block 280 can rotate 45 ° anticlockwise. The depth of the V-notch 282 may be selected based on the thickness of the workpiece 300 being bent, and when the workpiece 300 is thicker, the depth of the V-notch 282 is deeper; as the thickness of the workpiece 300 is thinner, the depth of the V-notch 282 is shallower.

In order to ensure that the supporting arm 260 can more stably support the workpiece 300, the supporting arm 260 is in a strip shape, and a first end of the supporting arm 260 is fixedly connected with the connecting arm 250, and a second end of the supporting arm 260 extends in a direction away from the bending frame 210. The plurality of rollers 262 are arranged on the bracket 260 along the length direction at intervals, so that the bracket 260 is in sliding fit with the workpiece 300, and the workpiece 300 can enter the bending station more conveniently.

Referring to fig. 7, in another embodiment, the bending machine further includes a connecting rod 290. The two ends of one side of the bending frame 210 are respectively provided with a connecting arm 250, the two connecting arms 250 are rotationally connected with the bending frame 210, the first ends of the two connecting arms 250 are fixedly connected with the opposite ends of the connecting rod 290 respectively, the second ends of the two connecting arms 250 are free ends, the connecting rod 290 is connected with two supporting arms 260 at intervals, the first ends of the two supporting arms 260 are fixedly connected with the connecting rod 290, and the second ends extend towards the direction far away from the bending frame 210. The two spaced-apart brackets 260 allow for a more stable lifting of the workpiece 300.

On the basis of the above embodiment, two first driving members 220, bending tool bits 230 and bending bases 240 are provided, the two first driving members 220 are respectively arranged on two sides of the bending frame 210, the bending tool bits 230 and the first driving members 220 are in one-to-one correspondence linkage, and the two bending bases 240 are arranged on the bending frame 210 and are in one-to-one correspondence with the bending tool bits 230 to bend the workpiece 300. The two connecting rods 290 may be provided, the two ends of the other side of the bending frame 210 are also provided with connecting arms 250, the two connecting arms 250 are rotationally connected with the bending frame 210, the first ends of the two connecting arms 250 are respectively and fixedly connected with the two opposite ends of the other connecting rod 290, the second ends of the two connecting arms 250 are free ends, the connecting rods 290 are connected with the two supporting arms 260 at intervals, the first ends of the two supporting arms 260 are fixedly connected with the connecting rods 290, and the second ends extend towards a direction far away from the bending frame 210. A stable bend can be formed to both ends of the workpiece 300.

Referring to fig. 8, in a specific operation, the workpiece 300 enters a bending station on one side of the bending frame 210, the first driving member 220 on one side of the bending frame 210 drives the bending tool bit 230 to press the first end of the workpiece 300 to bend, and when bending, the top block 270 will press the V-shaped notch 282 of the rotating block 280, so that the rotating block 280 rotates anticlockwise to drive the connecting arm 250 to lift the supporting arm 260, and further the supporting arm 260 lifts the second end of the workpiece 300 by 45 °, thereby completing stable bending of the first end of the workpiece 300. Because the bottom of the bending frame 210 is provided with the roller, the workpiece 300 can continue to move to the bending station at the other side of the bending frame 210, the first driving member 220 at the other side of the bending frame 210 drives the bending tool bit 230 to press the second end of the workpiece 300 to bend, and when bending, the top block 270 can press the V-shaped notch 282 of the rotating block 280, so that the rotating block 280 rotates clockwise to drive the connecting arm 250 to lift the supporting arm 260, and further the supporting arm 260 lifts the first end of the workpiece 300 by 45 degrees, thus completing the stable bending of the second end of the workpiece 300.

In a specific embodiment of the feeding device, referring to fig. 10, the feeding device includes: a feeder frame 10 disposed adjacent to the bracket 260; the second driving piece 20 is arranged on the feeding frame 10; the pushing piece 30 comprises a first connecting rod 31 and a pushing piece 32, one end of the first connecting rod 31 is linked with the second driving piece 20, the pushing piece 32 is rotationally connected with the other end of the first connecting rod 31, the pushing piece 32 is provided with a pushing end, the second driving piece 20 drives the first connecting rod 31 to move towards the bending base 240, so that the pushing end of the pushing piece 30 is abutted with the workpiece 300, and the workpiece 300 is pushed to the position of the bending base 240; the second driving member 20 drives the first connecting rod 31 to move away from the bending base 240, the pushing member 30 is acted by the gravity of the next workpiece 300 to make the pushing end rotate downwards, and the pushing member 30 returns to the original position along the bottom of the next workpiece 300. The workpiece 300 can be stably and continuously conveyed to the bending position by the feeding device.

In one embodiment, the second driver 20 includes a first servo motor, a first screw, and a first connection block. The feeding frame 10 is located to first servo motor, and first servo motor links with the one end of first lead screw, and first lead screw rotatable locates on the feeding frame 10, and the one end of first lead screw extends to the direction of bender 200 feed inlet, and first connecting block is equipped with first screw hole, first screw hole and first lead screw threaded connection, the one end and the first connecting block fixed connection of head rod 31, and first servo motor drive first lead screw rotates and makes head rod 31 drive head rod 31 to follow first lead screw length direction and remove. So that first connecting rod 31 is driven to move closer to or farther from bending machine 200 more stably.

With continued reference to fig. 10, the feeding apparatus further includes a first cross bar 40 and a first slider 50. The feeding frame 10 is provided with a first sliding rail 60 extending towards the direction of the feeding port of the bending machine 200, the first cross rod 40 is connected with a first connecting block, one end of the first connecting rod 31 is connected with the first cross rod 40, the first sliding block 50 is arranged on the first cross rod 40, the first sliding block 50 is provided with a first sliding groove matched with the first sliding rail 60, and the first sliding block 50 can slide along the first sliding rail 60. The first cross bar 40 is driven by the first servo motor to drive the pushing member 30 to move back and forth along the first sliding rail 60 to transfer the workpiece 300. This configuration is more stable in the transfer of the workpiece 300 and a slip fit is more smooth.

In an embodiment, two pushing members 30 and two first sliding blocks 50 are provided, two first sliding rails 60 are provided, the two first sliding rails 60 are arranged on the feeding frame 10 at intervals, one ends of the two pushing members 30 are connected with the first cross rod 40 at intervals, and the two first sliding blocks 50 are arranged on the first cross rod 40 and are in sliding connection with the two first sliding rails 60 in a one-to-one correspondence. By driving the two pushing members 30 at two different positions of the workpiece 300 at the same time, the driving force is increased, so that the driving of the workpiece 300 is more stable, the position of the workpiece 300 can be corrected, and the workpiece 300 is prevented from being deviated in the driving process.

Referring to fig. 11, the pushing member 30 further includes a first suction member 33. The first adsorption member 33 is disposed on the pushing end and is used for adsorbing the workpiece 300, so that the pushing end of the pushing member 30 can be abutted against the workpiece 300 more firmly. The first suction member 33 may be an electromagnet.

The pusher 30 may also include a first abutment block 34. Both sides of the first abutting block 34 are respectively abutted against the first absorbing member 33 and the pushing end, and the height of the first abutting block 34 is larger than that of the first absorbing member 33. The bottom of the workpiece 300 can be adsorbed by the first adsorption member 33, and the first abutting block 34 abuts against the end of the workpiece 300, so that the pushing member 30 and the workpiece 300 can be in stable and firm abutting fit. The first abutment block 34 may be a rubber block or a plastic block, and may form an elastic buffer with the workpiece 300, so as to prevent the end of the workpiece 300 from being damaged when the first abutment block 34 abuts against the workpiece 300.

To facilitate resilient return of the pusher 30, the pusher 30 also includes a spring and mounting blocks. The installation piece is located on the head rod 31, and the one end and the pushing piece 32 of spring keep away from the one end of pushing the end are connected, and the other end and the installation piece of spring are connected. It should be noted that, when the pushing member 30 drives the workpiece 300, the pushing end is tilted upward, so as to be convenient to be abutted against the workpiece 300. After the pushing member 30 drives the workpiece 300, the pushing member 30 rotates downward under the gravity of the next workpiece 300, the spring is stretched, and after the pushing member 30 returns along the bottom of the next workpiece 300, the pushing end of the pushing member 30 returns to the original position under the action of the elastic restoring force of the spring because the pushing member 30 is separated from the workpiece 300, i.e. lifts upward, so that the next workpiece 300 is to be driven.

Referring to fig. 6, the feeding device further includes a motor, a first rotating member 70 and a chain 71, the first rotating member 70 is rotatably disposed on the feeding frame 10, a gear is disposed at an output end of the motor, one end of the chain 71 is sleeved on the gear, the other end of the chain is sleeved on one end of the first rotating member 70, the first rotating member 70 may be a roller shaft, and the motor drives the gear to rotate, so that the chain 71 drives the roller shaft to rotate, and then the workpiece 300 is led into the feeding frame 10, and then is fed into the bending machine 200. The roll shafts may be provided in plural at intervals.

In an embodiment of the discharging device, referring to fig. 12, the discharging device includes: the discharging rack 90 is arranged on one side of the bending rack 210 away from the bracket arm 260; the third driving piece is arranged on the discharging rack 90; the material sucking piece comprises a second connecting rod 91 and a material sucking piece 92, one end of the second connecting rod 91 is linked with a third driving piece, the material sucking piece 92 is connected with the other end of the second connecting rod 91, the material sucking piece 92 is provided with a material sucking end, and the third driving piece drives the second connecting rod 91 to move towards the bending frame 210, so that the material sucking end of the material sucking piece 92 is adsorbed with the processed workpiece 400; the third driving member drives the second connecting rod 91 to move away from the bending frame 210, so that the suction block 92 pulls the processed workpiece 400 out of the bending frame 210. After bending, the processed workpiece 400 can be pulled out from the discharge port of the bending machine 200 through the discharge device, and the whole bending processing and conveying of the workpiece 300 are completed.

It will be appreciated that the structure of the discharging device may refer to the feeding device, specifically referring to fig. 12, and the third driving member includes a second servo motor 93, a second screw 94 and a second connection block. The second servo motor 93 is located on the ejection of compact frame 90, and the second servo motor 93 links with the one end of second lead screw 94, and on the ejection of compact frame 90 was located to second lead screw 94 rotatable, and the one end of second lead screw 94 extends to the direction of the discharge gate of bender 200, and the second connecting block is equipped with the second screw hole, second screw hole and second lead screw 94 threaded connection, the one end and the second connecting block fixed connection of second connecting rod 91, second servo motor 93 drive second lead screw 94 rotation makes second connecting block drive second connecting rod 91 along second lead screw 94 length direction removal. So that second connecting rod 91 is driven to move closer to or farther away from the discharge port of bending machine 200.

The outfeed device further comprises a second crossbar 95 and a second slider. The second slide rail 96 extending towards the direction of the discharge port of the bending machine 200 is arranged on the discharge rack 90, the second cross rod 95 is connected with the second connecting block, one end of the second connecting rod 91 is connected with the second cross rod 95, the second slide block is arranged on the second cross rod 95 and is provided with a second slide groove matched with the second slide rail 96, the second slide block can slide along the second slide rail 96, and the second servo motor 93 drives the second cross rod 95 to drive the sucking piece to move along the second slide rail 96.

In an embodiment, two material sucking pieces and two second sliding blocks are arranged, two second sliding rails 96 are arranged, the two second sliding rails 96 are arranged on the discharging rack 90 at intervals, one ends of the two material sucking pieces are connected with the second cross rod 95 at intervals, and the two second sliding blocks are arranged on the second cross rod 95 and are in sliding connection with the two second sliding rails 96 in one-to-one correspondence. The two suction pieces are used for sucking two different positions of the machined workpiece 400 at the same time, so that the suction force is increased to enable the suction of the machined workpiece 400 to be more stable, the position of the machined workpiece 400 can be corrected, and the machined workpiece 400 is prevented from being deviated in the driving process. It should be noted that the suction block 92 of the suction member may be an electromagnet.

Referring to fig. 12, the discharging device further includes a motor, a chain, and a second rotating member 97, where the plurality of second rotating members 97 are rotatably disposed on the discharging frame 90, a gear is disposed at an output end of the motor, one end of the chain is sleeved on the gear, the other end of the chain is sleeved on one end of the second rotating member 97, the second rotating member 97 may be a roller shaft, and a plurality of rollers may be disposed at intervals, and the roller shaft is driven by the motor to rotate by the motor to drive the roller shaft to rotate, so as to guide the processed workpiece 400 into the storage device.

Referring to fig. 1, the automatic stamping and bending apparatus 1 may further include: the introduction device 160 and the shearing device 150 are provided to the punching frame 110 via the introduction device 160, and can introduce the work 300 into the punching die 120. The specific structure of the leading-in device 160 and the leading-out device 140 may be that, by setting a servo motor, rotating wheels, a belt and a roller shaft to drive the workpiece 300, the servo motor drives the rotating wheels to rotate, the rotating wheels drive the belt to further drive the roller shafts to rotate, the two roller shafts are provided with two punching frames 110 and are connected with each other in a rotating manner, the two roller shafts are arranged up and down, one roller shaft is connected with the belt in a transmission manner, the two roller shafts can rotate in opposite directions, the workpiece 300 is located between the two roller shafts, and the workpiece 300 is driven by the rotation of the roller shafts. The shearing device 150 is respectively connected with the guiding device 140 and the feeding device, the punched workpiece 300 is cut off by the shearing device 150, and then is conveyed and bent by the feeding device, so that the device can adapt to the processing of workpieces 300 of different types of plates and coiled materials, and the workpiece 300 can be a bridge wire slot sheet metal part.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims

1. An automatic stamping and bending device, comprising:

an automatic punching device comprising: a punching frame; the punching die is arranged on the punching machine frame and comprises an upper die, a plurality of rows of punching pins, an adjusting piece, a positioning piece and a lower die, wherein the plurality of rows of punching pins are arranged in the upper die, the number of each row of punching pins is at least two, the punching pins are provided with punching heads, and the punching heads extend out from one end of the upper die; the adjusting piece is arranged in the upper die in a removable way and is abutted with part of the punching pins, after the adjusting piece is removed, part of the punching pins are retracted into the upper die, the positioning piece is arranged on the upper die and is used for fixing the position of the punching pins, the lower die is provided with holes matched with the punching pins, and the lower die is matched with the upper die to punch a workpiece; the guiding device is arranged on the punching frame and positioned at the first side of the punching die, and outputs a punched workpiece;

the upper die is internally provided with a cavity, part of the punching needle can be movably arranged in the upper die up and down and penetrates through the cavity, and the adjusting piece is detachably arranged in the cavity;

A bending machine, comprising: the bending rack is connected with the discharge end; the first driving piece is arranged on the bending frame; the bending tool bit is linked with the first driving piece; the bending base is arranged on the bending frame, the first driving piece drives the bending tool bit to move towards the bending base, and the bending tool bit is matched with the bending base to bend the punched workpiece; the connecting arm is rotatably arranged on the bending machine frame and connected with the connecting arm, and drives the connecting arm to turn over towards the direction of the bending tool bit and hold up the punched workpiece; the middle part of the connecting arm is rotationally connected with the bending rack, the first end of the connecting arm is fixedly connected with the supporting arm, and the second end of the connecting arm is a free end.

2. The automatic stamping and bending apparatus according to claim 1, wherein the adjustment member includes a first adjustment block abutting two of the punch pins of one of the rows, the two punch pins penetrating the cavity, the two punch pins being retracted into the cavity after the first adjustment block is removed from the cavity and positioned by the adjustment member.

3. The automatic stamping and bending equipment according to claim 1, wherein the bending machine further comprises a top block and a rotating block, the top block is linked with the first driving piece, the rotating block is fixedly connected with the middle part of the connecting arm, and the first driving piece drives the top block to move towards the bending base and press against the rotating block, so that the rotating block rotates to drive the first end of the connecting arm to tilt towards the bending tool bit.

4. The automatic stamping and bending equipment according to claim 3, wherein the rotating block is cylindrical, a V-shaped notch is formed in the outer side surface of the rotating block in a recessed mode, and the jacking block abuts against the inner wall of the V-shaped notch to enable the rotating block to rotate to drive the first end of the connecting arm to tilt.

5. The automatic stamping and bending apparatus of claim 1, wherein the feeding device comprises: the feeding rack is arranged between the guiding-out device and the supporting arm; the second driving piece is arranged on the feeding rack; the pushing piece comprises a first connecting rod and a pushing piece, one end of the first connecting rod is linked with the second driving piece, the pushing piece is rotationally connected with the other end of the first connecting rod, the pushing piece is provided with a pushing end, the second driving piece drives the first connecting rod to move towards the bending base, so that the pushing end of the pushing piece is abutted with the workpiece with the punched hole, and the workpiece with the punched hole is pushed to the position of the bending base; the second driving piece drives the first connecting rod to move away from the bending base, the pushing piece can be enabled to rotate downwards under the action of gravity of the next workpiece, and the pushing piece returns to the original position along the bottom of the next workpiece.

6. The automatic stamping and bending equipment according to claim 5, wherein the second driving piece comprises a first servo motor, a first screw rod and a first connecting block, the first servo motor is arranged on the feeding frame, the first servo motor is linked with one end of the first screw rod, the first screw rod is rotatably arranged on the feeding frame, one end of the first screw rod extends towards the direction of the bending base, the first connecting block is provided with a first threaded hole, the first threaded hole is in threaded connection with the first screw rod, one end of the first connecting rod is fixedly connected with the first connecting block, and the first servo motor drives the first screw rod to rotate so that the first connecting block drives the first connecting rod to move along the length direction of the first screw rod.

7. The automated press bending apparatus of claim 1, further comprising a outfeed device, the outfeed device comprising: the discharging rack is arranged on one side, far away from the bracket arm, of the bending rack; the third driving piece is arranged on the discharging rack; the material sucking piece comprises a second connecting rod and a material sucking piece, one end of the second connecting rod is linked with the third driving piece, the material sucking piece is connected with the other end of the second connecting rod, the material sucking piece is provided with a material sucking end, and the third driving piece drives the second connecting rod to move towards the bending rack, so that the material sucking end of the material sucking piece is adsorbed with a processed workpiece; the third driving piece drives the second connecting rod to move away from the bending machine frame, so that the suction block pulls out the machined workpiece from the bending machine frame.

8. The automatic stamping and bending equipment according to claim 7, wherein the third driving piece comprises a second servo motor, a second screw rod and a second connecting block, the second servo motor is arranged on the discharging frame, the second servo motor is linked with one end of the second screw rod, the second screw rod is rotatably arranged on the discharging frame, one end of the second screw rod extends towards the direction of the bending frame, the second connecting block is provided with a second threaded hole, the second threaded hole is in threaded connection with the second screw rod, one end of the second connecting rod is fixedly connected with the second connecting block, and the second servo motor drives the second screw rod to rotate so that the second connecting block drives the second connecting rod to move along the length direction of the second screw rod.