CN107262593A - Workpiece automatic punching system - Google Patents

Abstract

The invention discloses a kind of workpiece automatic punching system, including：Punching die（1）, mould-entering device（2）, position for sensing workpiece induction installation（3）And above-mentioned each device and punching die（1）The control device for connecting and controlling it to act；The mould-entering device（2）The punching die is sent into for clamping workpiece（1）, retracted after workpiece punching, it includes：Clamping part for clamping workpiece（21）, drive the clamping part（21）First cylinder of motion（22）.The workpiece automatic punching system of the present invention overcomes manually-operated inefficiency and safety issue in workpiece punching, production efficiency is improved, with good economy and safety benefit.

Description

Workpiece automatic punching system

technical field

The present invention relates to a mechanical device, in particular to a device for punching workpieces.

Background technique

The traditional device for punching the workpiece is usually produced by manual punching. It is necessary for the worker to hold the workpiece and fix it in the clamp position of the punching die to ensure the accuracy of the punching position. After the hand is withdrawn, press the Punching is done with a foot pedal, and the workpiece is then removed by hand. This production method is not only low in production efficiency, labor-intensive, and will lead to increased costs due to increased labor costs, but also requires workers to hold the workpiece and put it into the punching die. If the operation is not careful, it will easily cause danger such as crushing, and there are certain safety hazards.

Contents of the invention

The technical problem to be solved by the present invention is to provide an automatic workpiece punching system that can automatically feed workpieces into punching dies and automatically take them out after punching without manual operation.

The technical solution adopted by the present invention to solve the above-mentioned technical problems is to design and manufacture a workpiece automatic punching system, including: a punching die; in addition, it also includes:

The mold entry device is used to clamp the workpiece and send it into the punching die, and return it after the workpiece is punched. It includes: a clamping part for clamping the workpiece, and a first cylinder that drives the clamping part to move;

A sensing device for sensing the position of the workpiece;

The control device is connected with the above-mentioned devices and the punching die to control their actions.

The mold entry device also includes a lever structure workpiece removal rod and a second cylinder; the second cylinder acts on one end of the workpiece removal rod, and the other end of the workpiece removal rod is located at the clamping portion to be clamped by the workpiece above.

When the clamping part is in the initial position, a workpiece guide plate for receiving and carrying out the workpiece is provided under the clamped workpiece.

The clamping part of the mold entry device includes: a workpiece fixture, an upper splint, a lower splint and a clamping trimmer; the lower splint is fixed to the lower part of the workpiece fixture, and the upper splint is movably connected to the upper part of the workpiece fixture And its vertical position is adjusted by the clamping trimmer.

The side wall of the workpiece fixing part is provided with an escape groove, and the rear end of the side wall of the workpiece fixing part is provided with an introduction inclined surface or an arc surface.

The workpiece automatic punching system of the present invention also includes a workpiece loading and clearing device connected with the control device, which includes: a workpiece seat for carrying workpieces, a third air cylinder acting on the workpiece seat from behind, a workpiece upper limit Position frame and workpiece lower limit frame; the workpiece upper limit frame and workpiece lower limit frame are set up and down opposite to each other and are located behind the clamping part at the initial position, and the third cylinder drives the workpiece seat along the workpiece upper limit The workpiece is moved forward between the frame and the workpiece lower limit frame, and the workpiece is sent into the clamping part, and at the same time, the punched workpiece in the clamping part is removed or retreated backward.

The workpiece loading and clearing device further includes a workpiece clearing plate, which is synchronously connected to the front of the workpiece seat.

The workpiece automatic punching system of the present invention also includes a workpiece conveying device and a workpiece displacement device for transferring the conveyed workpiece to the workpiece seat, and the workpiece conveying device and the workpiece displacement device are connected with the control device.

The workpiece displacement device includes: a workpiece fixing seat for receiving and transporting workpieces in place, a suction cup, a fourth cylinder for controlling the vertical displacement of the suction cup, and a fifth cylinder for controlling the horizontal displacement of the suction cup; Under the control of the fifth cylinder, it moves to the workpiece fixing seat to absorb the workpiece and moves to the workpiece seat to put the workpiece down.

The workpiece conveying device includes: a motor, a transmission shaft, a transmission belt and a vibration plate; the motor drives the transmission belt through the transmission shaft, the front end of the transmission belt is adjacent to the rear end of the workpiece fixing seat, and the vibration plate An output part is provided to connect the rear end of the transmission belt; the workpiece is output from the vibrating plate to the rear end of the transmission belt through the output part, and is transported forward by the transmission belt and then enters the workpiece fixing seat.

Compared with the prior art, the workpiece automatic punching system of the present invention is equipped with a mold-feeding device, and the traditional manual feeding and discharging process in the workpiece punching process is changed to automatically conveying and returning the workpiece through the mold-feeding device, which solves the problem of traditional The punching efficiency of the workpiece is low and safety issues, labor saving, production efficiency is improved, and it has good economic and safety benefits.

Description of drawings

Fig. 1 is the structural representation of automatic workpiece punching system of the present invention;

Fig. 2 is the structural representation of described mold entry device 2;

FIG. 3 is a schematic structural view of the clamping portion 21;

Fig. 4 is a schematic structural view of the workpiece loading and removal device 5 and the workpiece displacement device 7;

FIG. 5 is a schematic structural view of the workpiece conveying device 6 .

detailed description

The present invention will be described in further detail below in conjunction with the embodiments shown in the accompanying drawings.

As shown in Figure 1, the workpiece automatic punching system of the present invention includes: a punching die 1, a mold entry device 2, an induction device 3, a control device, a workpiece loading and removal device 5, a workpiece conveying device 6, and a workpiece displacement device 7 . Wherein, the punching die 1 is used for punching a workpiece. The die-entry device 2 is used to clamp the workpiece and send it into the punching die 1, and return after the workpiece is punched. The workpiece loading and clearing device 5 is used to send workpieces into the die-entry device 2 and remove punched workpieces in the die-entry device 2 at the same time. The workpiece conveying device 6 is used for conveying workpieces. The workpiece displacement device 7 is used to transfer the workpiece delivered by the workpiece conveying device 6 to the workpiece loading and removing device 5 . The induction device 3 includes a plurality of sensors, which are respectively installed at appropriate positions of the above-mentioned devices for sensing the position of the workpiece. The control device (not shown in the figure) adopts PLC (Programmable Logic Controller), which is connected with the above-mentioned devices and the punching die 1 and controls their actions.

For the convenience of description, in the following description, the conveying direction of the workpiece conveying device 6 is set as the front, and vice versa as the rear.

As shown in FIG. 1 , the punching die 1 is roughly located at the forefront of the entire automatic punching system, and existing punching dies can be used. The mold entry device 2 is arranged on the left or right side of the punching die 1. As shown in FIG. Part 21 moves the first cylinder 22, the workpiece removal rod 23, the second cylinder 24 and the workpiece guide plate 25.

The clamping part 21 clamping the workpiece is pushed from the initial position into the punching die 1 by the first cylinder 22, and returns to the initial position after the workpiece is punched. In order to prevent the clamping part 21 from rotating during the displacement process , the first cylinder 22 is provided with an anti-rotation rod 26 .

As shown in FIG. 3 , the clamping part 21 further includes: a workpiece fixing part 211 , an upper clamping plate 212 , a lower clamping plate 213 and a clamping trimmer 214 . The lower splint 213 is fixedly arranged on the lower part of the workpiece fixing part 211. In this embodiment, the two are integrally formed. The upper splint 212 is movably connected to the upper part of the workpiece fixing part 211, and the workpiece is clamped on the upper splint. Between 212 and the lower clamping plate 213, adjust the clamping trimmer 214 to adjust the vertical position of the upper clamping plate 212 to adjust the clamping degree of the workpiece, so that the workpiece can be clamped during the back and forth punching process, and the workpiece can be loaded and removed. The punched workpiece can also be pushed out when the device 5 is sent into the next workpiece to be punched. In addition, a lateral escape groove 215 is provided on the side wall of the workpiece fixing member 211 , and an introduction inclined surface or arc surface 216 is provided at the rear end of the side wall of the workpiece fixing member 211 to facilitate the introduction of the next workpiece.

As shown in Fig. 2, the workpiece removal rod 23 is a lever structure, the second cylinder 24 acts on one end of the workpiece removal rod 23, and the other end of the workpiece removal rod 23 is located above the clamped workpiece at the clamping portion 21. When the clamping portion 21 is located at the initial position, a workpiece guide plate 25 for receiving and carrying out the workpiece is provided below the position where the workpiece is clamped. In addition, the mold entry device 2 is also provided with an inductor 31 for sensing the workpiece clamped by the clamping part 21. If a special situation occurs, the inductor 31 detects that the punched workpiece stays for too long, and the control The device controls the action of the second cylinder 24 to drive the workpiece removal rod 23 to rotate, and knock down the clamped workpiece to the workpiece guide plate 25 so as to be guided out.

As shown in Figure 4, the workpiece loading and removal device 5 includes: a workpiece seat 51 for carrying workpieces, a third cylinder 52, a workpiece upper limit frame 53, a workpiece lower limit frame 54 and a workpiece removal plate 55.

The workpiece upper limit frame 53 and the workpiece lower limit frame 54 are vertically opposite to each other and will be adjacent to the rear of the clamping portion 21 at the initial position.

The third cylinder 52 is supported by a bracket 56 and acts on the workpiece seat 51 from behind. In order to prevent the workpiece seat 51 from rotating during displacement, the third cylinder 52 is provided with an anti-rotation rod 57 . When in the initial position, the workpiece seat 51 is located at the rear of the workpiece upper limit frame 53 and the workpiece lower limit frame 54, and the control device controls the third cylinder 52 to drive the workpiece seat 51 to move forward from the initial position, and the workpiece seat 51 The workpiece on the top is clamped between the workpiece upper limit frame 53 and the workpiece lower limit frame 54 and is sent forward between the upper clamping plate 212 and the lower clamping plate 213 of the clamping part 21, the workpiece seat 51 and the clamping part 21 clashing edge part enters in the evacuation groove 215 that is provided with on the side wall of this clamping part 21, can avoid both clashing displacements, at this moment, the workpiece 8 that has punched in the clamping part 21 can simultaneously is pushed out, and then the workpiece seat 51 is driven by the third cylinder 52 to return to its initial position, and the workpiece on it is clamped in the clamping portion 21 .

When the clamping part 21 retreats from the punching die 1 , the workpiece on it may fall ahead of time and fall on the path of the clamping part 21 retreating, and thus prevent the next workpiece from entering the punching die 1 . In order to prevent this situation from happening, a vertical workpiece removal plate 55 is set in front of the workpiece seat 51, and the workpiece removal plate 55 is synchronously connected with the workpiece seat 51. When the workpiece seat 51 moves forward, the workpiece The clearing plate 55 moves forward at the same time, and clears the workpieces falling in front to the workpiece guide plate 25 so as to be guided out.

As shown in Figure 4, the workpiece displacement device 7 is arranged on one side of the workpiece seat 51 when it is in the initial position, and it includes: a workpiece fixing seat 71, a suction cup 72, a fourth cylinder 73 and a fifth cylinder for accepting and transporting the workpiece in place. Cylinder 74. The suction cup 72 is installed below the fourth cylinder 73 and its displacement in the vertical direction is controlled by the fourth cylinder 73. The fifth cylinder 74 is installed on the side of the fourth cylinder 73 and drives the fourth cylinder 73 in the horizontal direction. Move, thus the displacement of the suction cup 72 in the vertical and horizontal directions can be controlled by the fourth cylinder 73 and the fifth cylinder 74 . The workpiece fixing seat 71 is provided with an inductor 32, and when the sensor 32 detects that the workpiece reaches the workpiece fixing seat 71, the control device controls the fifth cylinder 74 to drive the suction cup 72 to move toward the workpiece fixing seat 71, and then controls the fourth The cylinder 73 drives the sucker 72 to move downward to suck the workpiece from the workpiece fixing seat 71, then the fourth cylinder 73 and the fifth cylinder 74 act again to put the workpiece into the workpiece seat 51, and finally the fourth cylinder 73 and the fifth cylinder 74 return in situ.

As shown in FIG. 5 , the workpiece conveying device 6 is installed at the rear, which includes: a motor 61 , a transmission shaft 62 , a transmission belt 63 and a vibrating plate 64 . The motor 61 drives the transmission belt 63 through the transmission shaft 62. The front end of the transmission belt 63 is adjacent to the rear end of the workpiece holder 71. The shock plate 64 is provided with an output part 65 connected to the transmission belt 63. rear end. The workpiece is output from the vibrating plate 64 to the rear end of the transmission belt 63 through the output portion 65 and is transported forward by the transmission belt 63 to a position and then enters the workpiece fixing seat 71 . A sensor 33 is provided on the middle side of the conveyor belt 63 to determine the number of workpieces. When the sensor 33 senses a signal, it means that there are not enough workpieces, and the control device will control the shock plate 64 to shake out the workpieces inside. , until the sensor 33 senses no signal.

In order to improve production efficiency and reduce costs, the workpiece automatic punching system of the present invention adopts a shock plate 64 to output through output parts 65 on both sides, and a single motor 61 to control the design of two conveyor belts 63. Correspondingly, each conveyor belt 63 A workpiece loading and removal device 5, a workpiece displacement device 7 and a mold entry device 2 are all arranged in the front, thus forming two assembly lines. But this design can appear the phenomenon that the number of workpieces on both sides of the conveyor belt 63 is uneven. In order to solve this problem, an inductor 34 is installed on the rear end side of the conveyor belt 63, and each output part 65 side of the shock plate 64 is provided Stopper 66, when the workpiece on one side of the conveyor belt 63 is insufficient, the sensor 33 senses the signal, the control device controls the shock plate 64 to output the workpiece, and when the sensor 34 detects that the other side of the conveyor belt 63 is fully loaded, the control device will start The stopper 66 on this side operates to block the output of the workpiece from the output unit 65 on this side. And if the workpiece is still not sensed within the specified time, the system will sound an alarm and then stand by.

The whole working process of the workpiece automatic punching system of the present invention is roughly as follows:

(1) The shock plate 64 of the workpiece conveying device 6 vibrates and outputs the workpiece to the conveyor belt 63 through the output part 65, and the conveyor belt 63 transmits the workpiece forward to the workpiece fixing seat 71;

(2) The fourth cylinder 73 and the fifth cylinder 74 of the workpiece displacement device 7 act to control the suction cup 72 to put the workpiece on the workpiece fixing seat 71 into the workpiece seat 51;

(3) The third cylinder 52 of the workpiece loading and clearing device 5 acts to send the workpiece on the workpiece seat 51 into the clamping part 21 and remove the punched workpiece in the clamping part 21 at the same time, and the cleaned workpiece is guided by the workpiece the plate 25 is guided out;

(4) The first cylinder 22 of the mold entry device 2 acts to send the workpiece clamped by the clamping part 21 into the punching die 1 for punching. After the punching is completed, the first cylinder 22 and the clamping part 21 return to their original positions.

It can be seen that the entire working process of the automatic workpiece punching system of the present invention can be automatically controlled by the control device. Unless there are special circumstances or the workpiece in the vibration plate is used up, the entire process does not require manual participation, which can greatly save labor costs and eliminate manual labor. The hidden safety hazards caused by the operation can be avoided, and the punching accuracy can be guaranteed at the same time, and the production efficiency can be greatly improved.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. a kind of workpiece automatic punching system, including：Punching die（1）；Characterized in that, also including：

Mould-entering device（2）, the punching die is sent into for clamping workpiece（1）, retracted after workpiece punching, it includes：For Clamp the clamping part of workpiece（21）, drive the clamping part（21）First cylinder of motion（22）；

Induction installation（3）, the position for sensing workpiece；

Control device, with above-mentioned each device and punching die（1）Connect and control it to act.

2. workpiece automatic punching system according to claim 1, it is characterised in that：The mould-entering device（2）Also include one The workpiece of individual lever construction removes bar（23）With the second cylinder（24）；Second cylinder（24）Act on workpiece and remove bar（23） One end, the workpiece remove bar（23）The other end be located at the clamping part（21）The top of the clamped workpiece in place.

3. workpiece automatic punching system according to claim 2, it is characterised in that：The clamping part（21）Positioned at initial bit The lower section for being clamped workpiece when putting thereon is provided with the workpiece directing plate for being used for accepting and set out workpiece（25）.

4. workpiece automatic punching system according to claim 1, it is characterised in that the mould-entering device（2）Clamping part （21）Including：Workpiece fixture（211）, train wheel bridge（212）, lower plate（213）With clamping trimming piece（214）；The lower plate （213）It is fixed on workpiece fixture（211）Bottom, the train wheel bridge（212）It is movably connected on workpiece fixture（211）It is upper Portion and by the clamping trimming piece（214）Adjust its upright position.

5. workpiece automatic punching system according to claim 4, it is characterised in that：The workpiece fixture（211）Side Wall is provided with and keeps away a groove（215）, the workpiece fixture（211）The rear end of side wall is provided with importing inclined-plane or cambered surface（216）.

6. the workpiece automatic punching system according to any one of claim 1 to 5, it is characterised in that also including with the control The workpiece of device connection processed is loaded into and remove device（5）, it includes：Workseat for carrying workpiece（51）, from rear effect In the workseat（51）The 3rd cylinder（52）, workpiece upper limit frame（53）With workpiece lower limit frame（54）；On the workpiece Position-limited rack（53）With workpiece lower limit frame（54）Be oppositely arranged up and down and positioned at initial position when the clamping part（21）After Side, the 3rd cylinder（52）Drive the workseat（51）Along workpiece upper limit frame（53）With workpiece lower limit frame（54）Between Workpiece is sent into the clamping part by forward movement（21）Clamping part is removed simultaneously（21）The workpiece that has inside punched is retracted backward.

7. workpiece automatic punching system according to claim 6, it is characterised in that：The workpiece is loaded into and remove device （5）Also include workpiece clear board（55）, the workpiece clear board（55）Synchronized links are in the workseat（51）Front.

8. workpiece automatic punching system according to claim 6, it is characterised in that：Also include work transfer device（6）With For will be delivered to the Workpiece transfer of position to the workseat（51）Workpiece gearshift（7）, the work transfer device（6）With Workpiece gearshift（7）It is connected with the control device.

9. workpiece automatic punching system according to claim 8, it is characterised in that the workpiece gearshift（7）Including: The workpiece fixing seat of workpiece in place is conveyed for accepting（71）, sucker（72）, control the sucker（72）The 4th of vertical displacement Cylinder（73）, control the sucker（72）5th cylinder of horizontal displacement（74）；The sucker（72）In the 4th cylinder（73）With 5th cylinder（74）Control under be moved to the workpiece fixing seat（71）Draw workpiece and be moved to the workseat in place（51） Put down workpiece in place.

10. workpiece automatic punching system according to claim 8, it is characterised in that the work transfer device（6）Bag Include：Motor（61）, power transmission shaft（62）, transmission belt（63）With shake disk（64）；The motor（61）Pass through power transmission shaft（62）Drive institute State transmission belt（63）Transmission, the transmission belt（63）Front end and the workpiece fixing seat（71）Rear end is adjacent, the shake disk（64）If There is output section（65）Connect the transmission belt（63）Rear end；Workpiece is from the shake disk（64）Through output section（65）Export to described Transmission belt（63）Rear end and by the transmission belt（63）It is fed forward and enters the workpiece fixing seat afterwards in place（71）.