CN107877134B - Full-automatic impact bushing assembly tooling equipment and electrical control system - Google Patents
Full-automatic impact bushing assembly tooling equipment and electrical control system Download PDFInfo
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- CN107877134B CN107877134B CN201711034589.7A CN201711034589A CN107877134B CN 107877134 B CN107877134 B CN 107877134B CN 201711034589 A CN201711034589 A CN 201711034589A CN 107877134 B CN107877134 B CN 107877134B
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- 238000010009 beating Methods 0.000 claims abstract 3
- 229920003023 plastic Polymers 0.000 claims description 23
- 239000004033 plastic Substances 0.000 claims description 23
- 239000002184 metal Substances 0.000 claims description 19
- 230000003111 delayed effect Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 4
- 238000004080 punching Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
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Abstract
The invention provides full-automatic striking bush assembly tooling equipment and an electric control system, wherein the full-automatic striking bush assembly tooling equipment comprises a fixed bracket, a striking device, an electric control box and a warning device, wherein the striking device and the electric control box are arranged on the fixed bracket; the electric control box is connected with the striking device and the warning device; the striking device comprises: the stamping cylinder is connected with a guide post, the guide post is connected with a punch fixing plate, and a pressure-bearing block is arranged below the punch fixing plate; the side of the pressure-bearing block is provided with a photoelectric switch, the pressure-bearing block is internally provided with a guide pin, the side of the guide pin is provided with a switch linkage rod, a travel switch is arranged below the switch linkage rod, and the switch linkage rod is higher than the plane of the contacted pressure-bearing block. The tool equipment can realize the function of circularly and continuously beating the cylinder back and forth only by pressing the start switch once until the lining is installed in place, and the cylinder can stop beating.
Description
Technical Field
The invention belongs to the field of machining equipment, and particularly relates to full-automatic impact bushing assembly tooling equipment and an electrical control system.
Background
At present, the main method of the process of pressing the metal bush into the hole of the plastic part is realized by striking the bush by a cylinder. There are two limiting elements to accomplish this: first, whether the air pressure is stable or not is large enough, if the air pressure is too small, the bushing is difficult to be pressed into the plastic part; second, the interference of the bushing with the molding hole also affects the bushing press-in.
For the two elements, the general solution is to enlarge the diameter of the air cylinder and stabilize the air pressure, but the method is not ideal, and the enlarging of the diameter of the air cylinder increases the impact force, but can cause easy breakage of the plastic hole wall and bending deformation of a beam plate for fixing the air cylinder, so that the guide post is easy to be blocked. Another solution is to increase the number of strokes and also to press the bushing in. The existing tool can increase the impact times only by repeatedly pressing the switch button when the switch is pressed down, and the same quality of plastic parts cannot be ensured. When the worker operates, the sound of the punch is heard to judge whether the lining is installed in place, the quality requirement on the worker is too high, the quality of plastic parts is reduced, and the production efficiency is low.
Accordingly, the applicant has perceived the need for further technical improvements to the above-described existing bushing assembly tooling apparatus.
Disclosure of Invention
In order to solve the problem, the invention aims to provide a full-automatic impact bushing assembly tool, the novel tool equipment can realize the function of circularly and continuously impacting a cylinder back and forth only by pressing a start switch once, and the cylinder can stop impacting until the bushing is installed in place.
In order to achieve the above purpose, the technical scheme provided by the invention is as follows: the utility model provides a full-automatic cycle hits bush assembly fixture equipment in succession, includes fixed bolster, hits device, electrical control box, warning device, its characterized in that: the electric control box is connected with the striking device and the warning device;
the striking device comprises: the device comprises a stamping cylinder, a guide post, a punch fixing plate and a pressure-bearing block, wherein the stamping cylinder and the guide post are connected with the punch fixing plate side by side, the punch fixing plate is connected with the punch, and the pressure-bearing block is arranged below the punch fixing plate;
the side of the pressure-bearing block is provided with a photoelectric switch, the pressure-bearing block is internally provided with a guide pin, the side of the guide pin is provided with a switch linkage rod, a travel switch is arranged below the switch linkage rod, and the switch linkage rod is higher than the plane of the contacted pressure-bearing block. The photoelectric switch is used for detecting whether a plastic part to be processed of the top support is placed into a working position, the metal bush is hit by the punch along the guide pin until the metal bush touches the switch linkage rod, the switch linkage rod triggers the travel switch, and the travel switch is used for detecting whether the metal bush is installed in place.
Further, the fixing bracket includes: the jig combined frame, the supporting blocks and the fixed cross beams, wherein two ends of the upper part of the jig combined frame are connected with two supporting blocks, the fixed cross beams are arranged above the supporting blocks, so that the perpendicularity of the guide posts is maintained, and the completion quality of striking actions is guaranteed.
Furthermore, a sudden stop master switch and a starting switch are arranged above the jig combination frame, the sudden stop master switch is used for stopping equipment in emergency, and the starting switch is used for starting the striking device. The accident can be prevented.
Further, the warning device comprises a green light, a warning red light and a buzzer, wherein the green light is used for prompting that the metal lining is installed in place, and the warning red light and the buzzer are used for prompting that the metal lining is not installed in place. When the metal bushing installation station is completed, a worker can immediately obtain signal feedback from the warning device, so that the working efficiency is improved, and accidents are prevented.
Further, the bearing block and the punch fixing plate are used for placing a top support plastic part between them and positioning the top support plastic part.
After the scheme is adopted, the invention has the following beneficial effects: the cylinder can continuously strike in a round-trip cycle by only pressing the start switch once until the lining is installed in place, and the cylinder can stop striking. The design can ensure the quality of plastic parts and improve the production benefit.
In addition, the invention also provides an electric control system of the full-automatic impact bushing assembly tooling equipment, which comprises the following components: the emergency stop control system comprises an emergency stop main switch (SB 1), a starting switch (SB 2), a first time relay, a second time relay, a third time relay, a cylinder electromagnetic valve (YV), a first intermediate relay, a second intermediate relay, a third intermediate relay, a fourth intermediate relay, a photoelectric switch, a green light, a travel switch group and an alarm group;
the travel switch group comprises a first travel switch (SQ 1), a second travel switch (SQ 2) and a third travel switch (SQ 3), wherein the first travel switch (SQ 1), the second travel switch (SQ 2) and the third travel switch (SQ 3) are connected in series;
the alarm group comprises a red light and a buzzer, and the red light and the buzzer are connected in parallel; the input end of the alarm group is connected with the output end of a normally open contact (KT 32) of the third time relay, and the output end of the alarm group is connected with a zero line;
the green light output end is connected with a zero line;
the input end of the emergency stop main switch (SB 1) is connected with the live wire, and the input end of the starting switch (SB 2) is connected with the output end of the emergency stop main switch (SB 1);
a normally open contact (KA 11) of the first intermediate relay is connected in parallel with a starting switch (SB 2); the input end of the first intermediate relay coil (KA 1) is connected with the output end of a normally closed contact (KT 31) of the third time relay, and the output end of the first intermediate relay coil (KA 1) is connected with a zero line;
the input end of a normally open contact (KA 21) of the second intermediate relay is respectively connected with the output end and the input end of a starting switch (SB 2), and the output end is respectively connected with the normally closed contact switch (KA 31) of the third intermediate relay and the input end of the first travel switch; the second intermediate relay coil (KA 2) is connected with the photoelectric switch in parallel; the output end of the photoelectric switch is connected with a zero line;
the output end of a normally closed contact (KA 31) of the third intermediate relay is connected with the input end of a normally closed contact (KT 31) of the third time relay and the input end of a normally open contact (KT 32) of the third time relay; normally open contacts (KA 32) of the third intermediate relay are connected in parallel to two ends of the travel switch group; one end of a coil (KA 3) of the third intermediate relay is connected with the output end of the third travel switch, and the other end of the coil is connected with a zero line; the output end of a normally open contact (KA 32) of the third intermediate relay is connected with the input end of a starting switch (SB 2), and the output end is connected with the input end of a green light;
the normally open contacts (KA 41) of the fourth intermediate relay are connected in parallel with the two ends of the third time relay (KT 32); the coil of the fourth intermediate relay is connected in parallel with the alarm group;
the output end of the normally closed contact (KT 31) of the third time relay is respectively connected with the input end of the normally closed contact (KT 21) of the second time relay, the input end of the normally open contact (KT 11) of the first time relay, the input end of the normally closed contact (KT 12) of the first time relay and one end of the coil (KT 3) of the third time relay; the other end of the coil (KT 3) of the third time relay is connected with a zero line;
the output end of the normally open contact (KT 11) of the first time relay is connected with one end of a coil (KT 2) of the second time relay; the output end of a normally closed contact (KT 12) of the first time relay is connected with one end of a cylinder electromagnetic valve (YV); one end of a coil (KT 1) of the first time relay is connected with a normally closed contact (KT 21) of the second time relay, and the other end of the coil is connected with a zero line;
the other end of the coil (KT 2) of the second time relay is connected with a zero line;
the other end of the cylinder electromagnetic valve (YV) is connected with a zero line.
The input end of a normally closed contact (KT 21) of the second time relay is connected with the input ends of a normally open contact (KT 11) of the first time relay, a normally open contact (KT 12) of the first time relay, a first intermediate relay coil (KA 1) and a third time relay coil (KT 3); the output end of a normally-closed contact (KT 21) of the second time relay is connected with the input end of a first time relay coil (KT 1), the output end of a normally-open contact (KT 11) of the first time relay is connected with the input end of a second time relay coil (KT 2), and the output end of a normally-open contact (KT 12) of the first time relay is connected with the input end of a cylinder electromagnetic valve (YV); the output end of the first time relay coil (KT 1) is connected with the output ends of the second time relay coil (KT 2), the cylinder electromagnetic valve (YV), the first intermediate relay coil (KA 1) and the third time relay coil (KT 3); forming a main circuit;
the photoelectric switch and the second intermediate relay form a protection tool equipment to prevent the equipment from being in idle operation. The part circuit controls the subsequent main circuit through the opening and closing of a normally open contact (KA 21) of the second intermediate relay;
the travel switch group and the third intermediate relay group form a green light lighting circuit for controlling the cylinder to stop working;
the first time relay and the second time relay form an oscillation pulse circuit, and a working pulse signal is provided for a cylinder electromagnetic valve (YV), so that the cylinder is controlled to circularly move back and forth to strike the bushing; the period of the pulse signal can be flexibly adjusted at any time;
the normally open contact (KA 11) and the starting switch (SB 2) of the first intermediate relay form a self-locking switch for controlling the subsequent main circuit;
the third time relay, the normally closed contact (KA 31) of the third intermediate relay, the normally open contact (KA 21) of the second intermediate relay and the fourth intermediate relay form an abnormal control alarm circuit, and when an abnormal condition exists, the main circuit switch is disconnected, so that the tooling equipment is in a stop state;
the normally open contact (KA 32) of the third intermediate relay forms self-locking, so that the stability of a subsequent control circuit is improved;
further, the first time relay is delayed for 3 seconds, the second time relay is delayed for 2 seconds, and the third time relay is delayed for 20 seconds.
Further, the photoelectric switch is a three-wire NPN normally open type.
After the scheme is adopted, the invention has the following beneficial effects: the cylinder can continuously strike in a round-trip cycle by only pressing the start switch once until the lining is installed in place, and the cylinder can stop striking. The design can ensure the quality of plastic parts and improve the production benefit.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of a fully automatic impact bushing assembly tooling apparatus of the present invention;
FIG. 2 is a schematic structural view of a striking device in the full-automatic striking bush assembly tooling apparatus of the present invention;
FIG. 3 is a schematic view of a metal bushing being pressed into a hole of a plastic part when the full-automatic impact bushing assembly tooling device of the invention is in operation;
FIG. 4 is a circuit diagram of an electrical control system of the fully automatic impact bushing assembly tooling apparatus of the present invention;
wherein, 1, a top bracket plastic part; 2. a sudden stop main switch; 3. starting a switch; 4. an electrical control box; 5. a jig combined frame; 6. a pressure block; 7. a support block; 8. green light; 9. a guide post; 10. a punching cylinder; 11. fixing the cross beam; 12. a punch fixing plate; 13. a travel switch; 14. a guide pin; 15. a punch; 16. a switch linkage rod; 17. an optoelectronic switch; 18. alarming red light; 19. a buzzer; 20. a metal bushing.
Detailed Description
Embodiments of the present invention will be described below with reference to the accompanying drawings.
Fig. 1 and fig. 2 show a full-automatic cycle continuous striking bush assembly fixture device, including fixed bolster, striking device, electric control box, warning device, its characterized in that: the electric control box 4 is arranged below the fixed support, and a striking device and a warning device are arranged above the fixed support;
the striking device comprises: the device comprises a stamping cylinder 10, a guide post 9, a punch 15, a punch fixing plate 12 and a pressure-bearing block 6, wherein the stamping cylinder 10 and the guide post 9 are connected with the punch fixing plate 12 side by side, the punch fixing plate 12 is connected with the punch 15, and the pressure-bearing block 6 is arranged below the punch fixing plate 12;
the side of the pressure-bearing block 6 is provided with a photoelectric switch 17, the pressure-bearing block 6 is internally provided with a guide pin 14, the side of the guide pin 14 is provided with a switch linkage rod 16, the lower part of the switch linkage rod 16 is provided with a travel switch 13, and the switch linkage rod 16 is higher than the plane of the contacted pressure-bearing block 6.
Further, the fixing bracket includes: the two ends of the upper side of the jig combined frame 5 are connected with the two supporting blocks 7, and the fixed cross beam 11 is arranged above the supporting blocks 7. The perpendicularity of the guide post is maintained, and the completion quality of the striking action is ensured.
Furthermore, a sudden stop master switch 2 and a start switch 3 are arranged above the jig combined frame 5. The emergency stop master switch is used for stopping equipment in emergency, and the starting switch is used for starting the striking device. The accident can be prevented.
Further, the warning device comprises a green lamp 8, an alarm red lamp 18 and a buzzer 19. The lamp is used for indicating that the metal bushing is installed in place, and the alarm red lamp and the buzzer are used for indicating that the metal bushing is not installed in place. When the metal bushing installation station is completed, a worker can immediately obtain signal feedback from the warning device, so that the working efficiency is improved, and accidents are prevented.
Further, a top bracket plastic part 1 is placed between the pressure bearing block 6 and the punch fixing plate 12. The positioning device is used for positioning the top bracket plastic piece.
After the scheme is adopted, the invention has the following beneficial effects: the cylinder can continuously strike in a round-trip cycle by only pressing the start switch once until the lining is installed in place, and the cylinder can stop striking. The design can ensure the quality of plastic parts and improve the production benefit.
FIG. 4 shows an electrical control system of a fully automatic impact bushing assembly tooling device, including a scram master switch (SB 1), a start switch (SB 2), a first time relay, a second time relay, a third time relay, a cylinder solenoid valve (YV), a first intermediate relay, a second intermediate relay, a third intermediate relay, a fourth intermediate relay, a photoelectric switch, a green light, a travel switch set, and an alarm set;
the travel switch group comprises a travel switch (SQ 1), a travel switch (SQ 2) and a travel switch (SQ 3), wherein the travel switch (SQ 1), the travel switch (SQ 2) and the travel switch (SQ 3) are connected in series;
the alarm group comprises a red light and a buzzer, and the red light and the buzzer are connected in parallel; the input end of the alarm group is connected with the output end of a normally open contact (KT 32) of the third time relay, and the output end of the alarm group is connected with a zero line;
the green light output end is connected with a zero line;
the input end of the emergency stop main switch (SB 1) is connected with the live wire, and the input end of the starting switch (SB 2) is connected with the output end of the emergency stop main switch (SB 1);
a normally open contact (KA 11) of the first intermediate relay is connected in parallel with a starting switch (SB 2); the input end of the first intermediate relay coil (KA 1) is connected with the output end of a normally closed contact (KT 31) of the third time relay, and the output end of the first intermediate relay coil (KA 1) is connected with a zero line;
the input end of a normally open contact (KA 21) of the second intermediate relay is respectively connected with the output end and the input end of a starting switch (SB 2), and the output end is respectively connected with the normally closed contact switch (KA 31) of the third intermediate relay and the input end of the travel switch group; the second intermediate relay coil (KA 2) is connected with the photoelectric switch in parallel; the output end of the photoelectric switch is connected with a zero line;
the output end of a normally closed contact (KA 31) of the third intermediate relay is connected with the input end of a normally closed contact (KT 31) of the third time relay and the input end of a normally open contact (KT 32) of the third time relay; normally open contacts (KA 32) of the third intermediate relay are connected in parallel to two ends of the travel switch group; one end of a coil (KA 3) of the third intermediate relay is connected with the output end of the travel switch group, and the other end of the coil is connected with a zero line; the output end of a normally open contact (KA 32) of the third intermediate relay is connected with the input end of a starting switch (SB 2), and the output end is connected with the input end of a green light; one end of a coil (KA 3) of the third intermediate relay is connected with the output end of the travel switch group, and the other end of the coil is connected with a zero line;
the normally open contacts (KA 41) of the fourth intermediate relay are connected in parallel with the two ends of the third time relay (KT 32); the coil of the fourth intermediate relay is connected in parallel with the alarm group;
the output end of the normally closed contact (KT 31) of the third time relay is respectively connected with the input end of the normally closed contact (KT 21) of the second time relay, the input end of the normally open contact (KT 11) of the first time relay, the input end of the normally closed contact (KT 12) of the first time relay and one end of the coil (KT 3) of the third time relay; the other end of the coil (KT 3) of the third time relay is connected with a zero line;
the output end of the normally open contact (KT 11) of the first time relay is connected with one end of a coil (KT 2) of the second time relay; the output end of a normally closed contact (KT 12) of the first time relay is connected with one end of a cylinder electromagnetic valve (YV); one end of a coil (KT 1) of the first time relay is connected with a normally closed contact (KT 21) of the second time relay, and the other end of the coil is connected with a zero line;
the other end of the coil (KT 2) of the second time relay is connected with a zero line;
the other end of the cylinder electromagnetic valve (YV) is connected with a zero line.
Further, the first time relay is delayed for 3 seconds, the second time relay is delayed for 2 seconds, and the third time relay is delayed for 20 seconds.
Further, the photoelectric switch is a three-wire NPN normally open type.
After the scheme is adopted, the invention has the following beneficial effects: the cylinder can continuously strike in a round-trip cycle by only pressing the start switch once until the lining is installed in place, and the cylinder can stop striking. The design can ensure the quality of plastic parts and improve the production benefit.
Example 1:
under normal working conditions, the emergency stop master switch 2 is closed, and the circuit is connected with a power supply. Put into top support working of plastics 1, photoelectric switch 17 senses the working of plastics, hit the device and can start, press starting switch 3, hit the device and begin to start, punch cylinder 10 promotes punch fixing plate 12, punch 15 that installs on the punch fixing plate 12 hits metal bush 20, the striking cycle is 5 seconds, 3 seconds striking, 2 seconds return stroke, metal bush 20 is hit by punch 15 along leading tip 14, until touching switch gangbar 16, switch gangbar 16 triggers travel switch 13, travel switch is used for detecting that the metal bush is installed in place, green light 8 is bright this moment, the workman takes away the working of plastics that completes the bush assembly, photoelectric switch 17 loses the working of plastics and responds to, green light 8 goes out. The whole work flow is normally completed.
In abnormal conditions, after the striking device is started for 20 seconds, if the metal bushing 20 is not installed or is not installed in place, the travel switch 13 cannot be triggered, the green light 8 cannot be lightened, the punching cylinder 10 stops working, the alarm red light 18 is lightened, and the buzzer 19 sounds.
The processing method under abnormal conditions comprises the following steps: 1. the plastic part is directly taken out from the equipment, the photoelectric switch 17 loses the induction of the plastic part, the circuit stops working, and the alarm red light 18 and the buzzer 19 stop working; 2. the emergency stop master switch 2 is directly turned off, and the whole circuit is powered off.
Example 2:
the travel switches can be arranged in a plurality according to the processing requirement, and when all the travel switches are triggered, signals are sent to the electric control box, and the electric control box controls the stamping cylinder to stop working.
The remainder was the same as in example 1.
The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (7)
1. The utility model provides a full-automatic bush assembly fixture equipment of beating, includes the fixed bolster, hits device, electrical control box, warning device, its characterized in that: the striking device and the electrical control box are arranged on the fixed bracket; the electric control box is electrically connected with the striking device and the warning device;
the striking device comprises: the stamping device comprises a stamping cylinder, a guide post, a punch fixing plate and a pressure-bearing block, wherein the stamping cylinder and the guide post are connected with the punch fixing plate side by side, the punch fixing plate is connected with the punch, and the pressure-bearing block is arranged below the punch fixing plate;
the side face of the pressure-bearing block is provided with a photoelectric switch, the pressure-bearing block is internally provided with a guide pin, the side face of the guide pin is provided with a switch linkage rod, a travel switch is arranged below the switch linkage rod, and the switch linkage rod is higher than the plane of the contacted pressure-bearing block;
the travel switch is connected with the electric control box, and feeds back to the electric control box when the travel switch obtains a signal, and the electric control box controls the stamping cylinder to stop working;
the method for operating the full-automatic impact bushing assembly tooling equipment comprises the following steps: the striking device starts to start, the punching cylinder pushes the punch arranged on the punch fixing plate to strike the metal bush, the striking period is 5 seconds, 3 seconds is the striking time, and the metal bush is struck by the punch along the guide pin until the metal bush contacts the switch linkage rod, the switch linkage rod triggers the travel switch, and then the punching cylinder stops working;
the electric control system of the full-automatic impact bushing assembly tooling equipment comprises a sudden stop master switch (SB 1), a starting switch (SB 2), a first time relay, a second time relay, a third time relay, a cylinder electromagnetic valve (YV), a first intermediate relay, a second intermediate relay, a third intermediate relay, a fourth intermediate relay, a photoelectric switch, a green light, a travel switch group and an alarm group;
the travel switch group comprises a first travel switch (SQ 1), a second travel switch (SQ 2) and a third travel switch (SQ 3), wherein the first travel switch (SQ 1), the second travel switch (SQ 2) and the third travel switch (SQ 3) are connected in series;
the alarm group comprises a red light and a buzzer, and the red light and the buzzer are connected in parallel; the input end of the alarm group is connected with the output end of a normally open contact (KT 32) of the third time relay, and the output end of the alarm group is connected with a zero line;
the green light output end is connected with a zero line;
the input end of the emergency stop main switch (SB 1) is connected with the live wire, and the input end of the starting switch (SB 2) is connected with the output end of the emergency stop main switch (SB 1);
a normally open contact (KA 11) of the first intermediate relay is connected in parallel with a starting switch (SB 2); the input end of the first intermediate relay coil (KA 1) is connected with the output end of a normally closed contact (KT 31) of the third time relay, and the output end of the first intermediate relay coil (KA 1) is connected with a zero line;
the input end of the normally open contact (KA 21) of the second intermediate relay is respectively connected with the output end and the input end of the starting switch (SB 2), and the output end is respectively connected with the input ends of the normally closed contact switch (KA 31) and the first travel switch (SQ 1) of the third intermediate relay; the second intermediate relay coil (KA 2) is connected with the photoelectric switch in parallel; the output end of the photoelectric switch is connected with a zero line;
the output end of a normally closed contact (KA 31) of the third intermediate relay is connected with the input end of a normally closed contact (KT 31) of the third time relay and the input end of a normally open contact (KT 32) of the third time relay; normally open contacts (KA 32) of the third intermediate relay are connected in parallel to two ends of the travel switch group; one end of a coil (KA 3) of the third intermediate relay is connected with the output end of the third travel switch (SQ 3), and the other end of the coil is connected with a zero line; the output end of a normally open contact (KA 32) of the third intermediate relay is connected with the input end of a starting switch (SB 2), and the output end is connected with the input end of a green light;
the normally open contacts (KA 41) of the fourth intermediate relay are connected in parallel with the two ends of the third time relay (KT 32); the coil of the fourth intermediate relay is connected in parallel with the alarm group;
the output end of the normally closed contact (KT 31) of the third time relay is respectively connected with the input end of the normally closed contact (KT 21) of the second time relay, the input end of the normally open contact (KT 11) of the first time relay, the input end of the normally closed contact (KT 12) of the first time relay and one end of the coil (KT 3) of the third time relay; the other end of the coil (KT 3) of the third time relay is connected with a zero line;
the output end of the normally open contact (KT 11) of the first time relay is connected with one end of a coil (KT 2) of the second time relay; the output end of a normally closed contact (KT 12) of the first time relay is connected with one end of a cylinder electromagnetic valve (YV); one end of a coil (KT 1) of the first time relay is connected with a normally closed contact (KT 21) of the second time relay, and the other end of the coil is connected with a zero line;
the other end of the coil (KT 2) of the second time relay is connected with a zero line;
the other end of the cylinder electromagnetic valve (YV) is connected with a zero line.
2. The full-automatic impact bushing assembly tooling device of claim 1, wherein the fixed bracket comprises: the jig comprises a jig combined frame, supporting blocks and fixed cross beams, wherein two ends of the upper side of the jig combined frame are connected with two supporting blocks, and the fixed cross beams are arranged above the supporting blocks.
3. The full-automatic striking bush assembly fixture device of claim 2, wherein a scram master switch and a start switch are arranged above the jig assembly frame.
4. The full-automatic striking bush assembly fixture device of claim 1, wherein the warning device comprises a green light, a warning red light and a buzzer.
5. The full-automatic impact bushing assembly tooling device of claim 1, wherein a plastic part to be processed is placed between the pressure block and the punch fixing plate.
6. The full automatic impact bushing assembly tooling device of claim 1, wherein the first time relay is delayed for 3 seconds, the second time relay is delayed for 2 seconds, and the third time relay is delayed for 20 seconds.
7. The full-automatic impact bushing assembly fixture device of claim 1, wherein the photoelectric switch is a three-wire NPN normally open type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711034589.7A CN107877134B (en) | 2017-10-30 | 2017-10-30 | Full-automatic impact bushing assembly tooling equipment and electrical control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN107877134A (en) | 2018-04-06 |
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