CN110802187A - Fixed-distance stretching device for metal rubber automatic forming system - Google Patents
Fixed-distance stretching device for metal rubber automatic forming system Download PDFInfo
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- CN110802187A CN110802187A CN201910962043.0A CN201910962043A CN110802187A CN 110802187 A CN110802187 A CN 110802187A CN 201910962043 A CN201910962043 A CN 201910962043A CN 110802187 A CN110802187 A CN 110802187A
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- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
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Abstract
A distance stretching device for an automatic metal rubber forming system. The device can stretch the dense-circle metal wire spiral coil at an automatic fixed distance, and belongs to the technical field of novel metal material processing. The invention can realize automatic fixed-distance stretching forming of spiral coils of metal wires with different specifications, thereby replacing manual fixed-distance stretching. The invention uses a group of mechanical clamping jaws to automatically settle and stretch the dense-circle metal wire spiral coil, and feeds the dense-circle metal wire spiral coil into a blank winding mechanism to complete the subsequent procedures. The automatic fixed-distance stretching metal wire spiral coil has the characteristics of high stretching speed, high precision, long fixed-distance stretching length range and wide metal wire spiral coil diameter coverage range, and solves the problems of poor uniformity, low precision, easy layering and the like of metal rubber produced in the traditional manual operation.
Description
Technical Field
The invention relates to a device applied to the fields of material processing and the like, in particular to a device which is applied to a metal rubber integrated automatic forming system and is used for automatically stretching a spiral coil of a dense-circle metal wire at a fixed distance, and belongs to the technical field of novel porous metal material processing.
Background
Metal rubber is an elastic damping material. The net structure is made of hooked and staggered metal wires and is prepared by the processes of spiral winding, spiral fixed-distance stretching, blank winding, blank cold press molding, post-processing and the like of the specific metal wires. The rubber has high elasticity and large damping of rubber, has the curing characteristic of metal, has the characteristics of non-volatility, radiation resistance, high/low temperature resistance and long service life compared with common rubber, and is mostly applied to working environments with extremely severe conditions such as aerospace deep sea and the like.
In the existing porous metal rubber winding forming process, because a spring machine tool cannot roll a large-pitch metal wire spiral coil, in the metal rubber forming process, a dense-circle metal wire spiral coil is usually rolled by the spring machine tool, manually stretched to a preset pitch at intervals, and then a blank is wound and formed. The forming mode is high in labor intensity, discrete in steps and low in precision, the screw pitch of the metal wire spirally wound at a fixed distance manually stretched is uneven, the performance of the metal rubber is unstable, and the metal rubber is loosely layered after forming, so that the performance of the metal rubber in the actual process is influenced.
Disclosure of Invention
In order to solve the technical problems mentioned in the background technology, the invention provides a distance stretching device used in an automatic metal rubber forming system, which can automatically stretch metal wire spiral coils with different specifications at a certain distance, and solves the problems that the traditional preparation process of porous metal rubber needs manual distance stretching and manual blank winding.
The technical scheme of the invention is as follows: the distance stretching device for the metal rubber automatic forming system comprises: horizontal guide rail bracket 72, horizontal lead screw 73, second guide tube 22, first draw claw 23, second draw claw 24, third draw claw 25, distance guide rail 26, workstation 27, first photoelectric switch 28, second photoelectric switch 29, third guide tube 30, tucking cylinder 32, distance lead screw 34, horizontal nut 35, first travel switch 76 and second travel switch 77, its characterized in that:
the horizontal guide rail bracket 72 is arranged on the frame; the horizontal lead screw 73 is arranged in the horizontal guide rail bracket 72; the workbench 27 is arranged on the rack guide rail 72, the horizontal nut 35 is arranged at the bottom of the workbench and forms a screw nut transmission pair with the horizontal screw 73; the second guide pipe 22 is arranged in the middle of the front end of the workbench 27, is connected with the first guide pipe 20 and is collinear with the first guide pipe 20; the distance lead screw 34 is arranged in the distance guide rail 26 in the middle of the stretching workbench, and rolling bearings are arranged at two ends of the distance lead screw for facilitating rotation;
a first pull claw 23, a second pull claw 24 and a third pull claw 25 are arranged on the distance guide rail 26; the first pulling claw 23 and the third pulling claw 25 are fixed on the guide rail and can not move; the second pull claw 24 is arranged on the distance lead screw 34, a transmission thread is arranged in an end hole of the second pull claw, the second pull claw and the distance lead screw 34 form a lead screw nut pair for transmission, and claw openings of the three pull claws are collinear with the second guide pipe 22; the third guide pipe 30 is arranged at the rear end of the stretching workbench, and the inlet of the third guide pipe is close to the third pull claw 25; the bottom of the needle pressing roller 32 is arranged at the rear end of the workbench, and the roller is arranged at the tail end of the third guide pipe 30;
the first photoelectric switch 28 is mounted near the first pull claw 23; the second photoelectric switch 29 is mounted near the third pull claw 25; the first travel switch 76 is arranged at the left end of the horizontal guide rail; the second travel switch 77 is arranged at the right end of the horizontal guide rail;
the first guide tube 20 is a metal wire spiral coil winding mechanism which is arranged at a metal wire spiral coil generating position and used for guiding metal wire spiral coils;
the second pulling claw 24 comprises a mini cylinder 56, an upper clamping jaw 57, a lower clamping jaw 58, a pin 59, a clamping jaw sleeve 60 and a claw root nut 61; the mini cylinder 56 is welded with the clamping jaw sleeve 60, the mini cylinder 56 is connected with a two-position four-way electromagnetic directional valve, and the electromagnetic directional valve controls the cylinder to stretch; the upper clamping jaw 57 is installed on the mini cylinder 56 through a screw, and the upper clamping jaw 57 is installed in the elongated hole through a pin so as to be capable of moving up and down; the lower clamping jaw 58 is arranged in a positioning hole below the clamping jaw sleeve 60 through a pin 59; one end of the claw root nut 61 is connected with the claw sleeve 60;
the first pulling claw 23 and the third pulling claw 25 have the same main structure as the second pulling claw 24, and are different in that a claw root nut is replaced by a through hole to install a distance screw rod 34;
the distance lead screw 34 is connected with a stretching driving motor 98, and the positive and negative rotation of the lead screw is controlled so as to control the second pull claw 24 to move on the guide rail; the horizontal screw 73 is connected with a horizontal movement driving motor 70 and controls the screw to rotate forwards and backwards so as to control the workbench 27 to move on the guide rail;
the first travel switch 76 and the second travel switch 77 limit the left-right reciprocating movement distance of the stretching workbench, the first travel switch 76 enables the third guide tube 30 to be over against the left end positioning fine needle of the mandrel 54 in the blank winding and forming device, and the second travel switch 77 enables the third guide tube 30 to be over against the right end positioning fine needle of the mandrel in the blank winding and forming device.
The invention has the following beneficial effects:
the device can realize automatic fixed-distance stretching forming of spiral coils of metal wires with different specifications, so as to replace manual fixed-distance stretching. The invention uses a group of mechanical clamping jaws to automatically settle and stretch the dense-circle metal wire spiral coil, and feeds the dense-circle metal wire spiral coil into a blank winding mechanism to complete the subsequent procedures. Because the automatic fixed-distance stretching metal wire spiral coil has the characteristics of high stretching speed, high precision, long fixed-distance stretching length range and wide metal wire spiral coil diameter coverage range, the problems of poor uniformity, low precision, easy layering and the like of metal rubber produced in the prior manual operation are solved.
Description of the drawings:
figure 1 is a view of the overall construction of the distance stretching device according to the invention;
FIG. 2 is a front view of the tension table member;
FIG. 3 is a right side view of the tension table member;
FIG. 4 is a structural view of a horizontal rail member;
FIG. 5 is a structural view of a second pull pawl;
FIG. 6 is an overall structural view of a metal rubber integrated automatic molding system;
FIGS. 7-11 are PLC ladder diagrams of the distance stretching unit according to the invention
FIG. 12 is an IO input/output table of the distance stretching device PLC according to the present invention.
Figure 1-rack; 2-a wire feeder; 3-a spring machine; 4-a horizontal rail member; 5-stretching the working table; 6-cold pressing the guide rail parts; 7-fixing a mold; 8-a spindle unit; 9-moving the mould part; 10-a console; 20-a first guide tube; 22-a second guide tube; 23-a first pull claw; 24-a second pull jaw; 25-a third pull claw; 26-distance guide rails; 27-a workbench; 28-a first opto-electronic switch; 29-a second opto-electronic switch; 30-a third guide tube; 32-a needle pressing roller; 33-a third socket head cap screw; 34-a distance lead screw; 35-horizontal nuts; 56-mini cylinder; 57-upper jaw; 58-lower jaw; 59-pin; 60-clamping jaw sleeve; 61-claw-root nuts; 70-horizontal movement driving motor; 71-a first hex nut; 72-horizontal rail brackets; 73-horizontal lead screw; 74-horizontal rail end caps; 75-a second hex nut; 76-a first travel switch; 77-a second travel switch; 98-stretch drive motor.
The specific implementation mode is as follows:
the invention will be further described with reference to the accompanying drawings in which:
the invention aims to provide a fixed-distance stretching device for an automatic metal rubber forming system, which can automatically stretch metal wire spiral coils with different specifications at fixed distances. The purpose of the invention is realized as follows:
a metal rubber distance stretching device for a metal rubber automatic molding system comprises: the device comprises a horizontal guide rail bracket 72, a horizontal lead screw 73, a second guide tube 22, a first pull claw 23, a second pull claw 24, a third pull claw 25, a distance guide rail 26, a workbench 27, a first photoelectric switch 28, a second photoelectric switch 29, a third guide tube 30, a needle pressing roller 32, a distance lead screw 34, a horizontal nut 35, a first travel switch 76 and a second travel switch 77; the horizontal guide rail bracket 72 is arranged on the frame; the horizontal lead screw 73 is arranged in the horizontal guide rail bracket 72; the workbench 27 is arranged on the rack guide rail 72, the horizontal nut 35 is arranged at the bottom of the workbench and forms a screw nut transmission pair with the horizontal screw 73; the second guide pipe 22 is arranged in the middle of the front end of the workbench 27, is connected with the first guide pipe 20 and is collinear with the first guide pipe 20; the distance lead screw 34 is arranged in the distance guide rail 26 in the middle of the stretching workbench, and rolling bearings are arranged at two ends of the distance lead screw for facilitating rotation; a first pull claw 23, a second pull claw 24 and a third pull claw 25 are arranged on the distance guide rail 26; the first pulling claw 23 and the third pulling claw 25 are fixed on the guide rail and can not move; the second pull claw 24 is arranged on the distance lead screw 34, a transmission thread is arranged in an end hole of the second pull claw, the second pull claw and the distance lead screw 34 form a lead screw nut pair for transmission, and claw openings of the three pull claws are collinear with the second guide pipe 22; the third guide pipe 30 is arranged at the rear end of the stretching workbench, and the inlet of the third guide pipe is close to the third pull claw 25; the bottom of the needle pressing roller 32 is arranged at the rear end of the workbench, and the roller is arranged at the tail end of the third guide pipe; the first photoelectric switch 28 is mounted near the first pull claw 23; the second photoelectric switch 29 is mounted near the third pull claw 25; the first travel switch 76 is arranged at the left end of the horizontal guide rail; the second travel switch 77 is arranged at the right end of the horizontal guide rail;
the first guide tube 20 is a metal wire spiral coil winding mechanism which is arranged at a metal wire spiral coil generating position and used for guiding metal wire spiral coils; the second pull claw 24 includes: mini cylinder 56, upper jaw 57, lower jaw 58, pin 59, jaw sleeve 60, jaw nut 61. The mini cylinder 56 is welded with the clamping jaw sleeve 60; the upper clamping jaw 57 is mounted on the mini cylinder 56 through a screw, and the upper clamping jaw 57 is mounted in the elongated hole through a pin so as to be capable of moving up and down; the lower clamping jaw 58 is arranged in a positioning hole below the clamping jaw sleeve 60 through a pin 59; one end of the claw root nut 61 is connected with the claw sleeve 60; in the first pulling claw 23 and the third pulling claw 25, a claw root nut is replaced by a through hole for placing a distance screw rod; the distance lead screw 34 is connected with a stretching driving motor 98, and the positive and negative rotation of the lead screw is controlled so as to control the second pull claw 24 to move on the guide rail; the horizontal screw 73 is connected with a horizontal movement driving motor 70 and controls the screw to rotate forwards and backwards so as to control the workbench 27 to move on the guide rail;
the first travel switch 76 and the second travel switch 77 limit the left-right reciprocating movement distance of the stretching workbench, the first travel switch enables the third guide pipe to be over against the left end positioning fine needle of the mandrel 54 in the blank winding and forming device, and the second travel switch enables the third guide pipe to be over against the right end positioning fine needle of the mandrel in the blank winding and forming device.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
In order to ensure the manufacturing quality of the metal rubber and the manufacturing efficiency and cost of the metal rubber, the invention provides a metal wire spiral winding distance stretching device used in an automatic metal rubber forming system. In the embodiment of the invention, all the motors are three-phase asynchronous motors for intuitively explaining the rotation condition of the motors, but the invention is not limited to the three-phase asynchronous motors or servo motors in practical implementation.
The PLC program of the wire spiral winding distance stretching device is realized as follows:
in the network 1, the wire coil coming out of the spring machine follows the first guide tube 20 into the second guide tube 22 due to the feed movement of the spring machine 3. When the first photoelectric switch 28 detects the spiral coil of the metal wire, the I0.0 connected with the input end of the first photoelectric switch is closed, so that the auxiliary relay M0.0 is closed and self-locked, and meanwhile, the electrified delay timer T37 starts to count time for 2s until the M0.0 is disconnected after the T37 finishes counting time.
In the network 2, the Q0.0 coil of the tension drive motor 98 is closed by using the auxiliary relay M0.0, the tension drive motor 98 is rotated forward, the second pull claw 24 is moved in the direction of the first photoelectric switch 28, and the time is measured by the timer T37, whereby the moving distance of the second pull claw 24 can be obtained.
In the network 3, after the timer T37 finishes timing and is switched on, the auxiliary relay M0.1 is closed and self-locked, and simultaneously the power-on delay timer T33 starts timing for 0.2s until the input end I0.1 of the second photoelectric switch 29 is closed, that is, the second pull claw 24 reaches the position of the second photoelectric switch 29, and M0.1 is switched off; the timer T33 is used to give a certain waiting time to complete the step of tightening the spiral coil of wire.
In the network 4, an auxiliary relay M0.1 is used to switch on a coil Q0.3 of the electromagnetic directional valve of the second claw pulling cylinder 56 and close the electromagnetic directional valve, so that the directional valve of the second claw pulling cylinder 56 is switched, and the second claw pulling cylinder 56 extends out of the closed claw pulling cylinder to clamp the metal wire spiral coil.
In the network 5, after the timer T33 finishes timing, the auxiliary relay M0.2 is closed and self-locked until the input terminal I0.1 of the second photoelectric switch 29 is closed, that is, the second pull claw 24 reaches the position of the second photoelectric switch 29, and M0.2 is turned off.
In the network 6, the Q0.1 coil of the tension drive motor 98 is closed by the auxiliary relay M0.2, the tension drive motor 98 is reversed, and the second pull claw 24 is moved in the direction of the second photoelectric switch 29 until it reaches the second photoelectric switch 29.
In the network 7, the input I0.1 of the second photoelectric switch is turned on, so that the auxiliary relay M0.3 is closed and self-locked, and meanwhile, the energization delay timer T34 starts to time for 0.2s, and after the time is over, M0.3 is turned off. The step is a waiting step, and the next step is carried out after waiting.
In the network 8, after the timer T33 or T41 is turned on after timing is finished, the auxiliary relay M0.4 is closed and self-locked, meanwhile, the power-on delay timer T38 starts to time for 0.2s, and after the time is finished, the auxiliary relay M0.4 is turned off.
In the network 9, the Q0.0 coil of the tension drive motor 98 is closed by the auxiliary relay M0.0, the tension drive motor 98 is rotated forward, the second pull claw 24 is moved in the direction of the first photoelectric switch 28, and the time is counted by the timer T38, whereby the moving distance of the second pull claw 24 can be obtained. The webs 8 and 9 are prepared for subsequent drawing of the portion by withdrawing the second draw claw 24 back to a helical coil of wire of a certain pitch.
In the network 10, after the timer T38 is turned on, the auxiliary relay M0.5 is closed and self-locked, and at the same time, the power-on delay timer T38 starts to time for 0.2s, and after the time is over, the auxiliary relay M0.4 is turned off. M0.5 is turned off until I0.0 and I0.1 at the input of the first and second opto- electronic switches 28, 29 are turned off and the timer T40 is turned on. The function of I0.1 and I0.1 is to detect whether the wire spiral coil is broken, and if the wire spiral coil is broken, the clamping is stopped immediately.
In the network 11, M0.5 is turned on, so that the electromagnetic directional valves Q0.3 and Q0.4 of the cylinders of the second pulling claw 24 and the third pulling claw 25 are closed, and simultaneously, the time delay on timer T35 is timed for 0.2 s. The timer T35 is used to give a certain waiting time to complete the step of clamping the spiral coil of wire.
In the network 12, after the timer T35 is turned on, the auxiliary relay M0.6 is turned on and self-locked, meanwhile, the power-on timer T40 is timed for 2s, and after the timer T40 is turned on, the auxiliary relay M0.6 is turned off and M0.5 in the network 10 is turned off.
In the network 13, the auxiliary relay M0.6 is turned on to close the Q0.0 coil of the tension drive motor 98, and the tension drive motor 98 is rotated forward to move the second pull claw 24 in the direction of the first photoelectric switch 28, and the timer T40 counts the time to determine the moving distance of the second pull claw 24. This step is a fixed distance stretch of the wire spiral coil pitch, timer T40 is 10 times the time timed by timer T35, i.e. the exiting spiral coil in network 9 is stretched to 10 times the length.
In the network 14, after the timer T40 is turned on, the auxiliary relay M0.7 is turned on and self-locked, and at the same time, the power-on timer T41 is turned on for 2.2s, and after the timer T41 is turned on, the auxiliary relay M0.7 is turned off. The timer T41 allows the second pulling claw 24 and the third pulling claw 25 to simultaneously pick up the spiral coil of wire.
In the network 15, the auxiliary relay M0.7 is turned on to close the Q0.1 coil of the tension drive motor 98, and the tension drive motor 98 is reversed to move the second pull claw 24 in the direction of the first photoelectric switch 29, and the timer T41 counts the time to determine the moving distance of the second pull claw 24. This step serves to feed the drawn wire in a spiral coil.
In the network 16, the mass of the wire contacting the mandrel 54 is taken as a first signal I0.4 of the load cell 100, and after I0.4 is turned on, the auxiliary relay M1.0 is turned on and self-locked until the contact I0.3 of the second switch 77 for the right limit of the table is closed or a second signal I0.5 of the load cell 100 indicating that the wire is fully spirally wound to a predetermined weight is received; after the contact I0.2 of the first travel switch 76 for the left limit of the workbench is switched on, the auxiliary relay M1.0 can be switched on and self-locked.
In the network 17, after the contact I0.2 of the first travel switch 76 for the left limit of the table is turned on, the auxiliary relay M1.1 is turned on and self-locks until the contact I0.2 of the second switch 76 for the right limit of the table is closed or the second signal I0.5 indicating that the load cell 100 is full of the spirally wound wire is received.
In the network 18, the auxiliary relay M1.0 is turned on to close the Q0.5 coil of the horizontal movement motor 70, and the horizontal movement motor is rotated forward to move the table 27 in the direction of the second photoelectric switch 77.
In the network 19, the auxiliary relay M1.1 is turned on to close the Q0.6 coil of the horizontal movement motor 70, and the horizontal movement motor is reversed to move the table 27 in the direction of the second photoelectric switch 76.
In the network, the network 1-7 is initialized for a fixed-distance stretching mechanism, and the metal wire spiral coil is sent to a third pulling claw for clamping, and the step is executed when a new spiral coil enters the mechanism; the network 8-15 is a fixed-distance stretching step, the pulling claw is retracted to a certain pitch so as to be stretched, then the two ends of the tightening metal wire spiral coil move for a plurality of times at the pitch distance to stretch the metal wire spiral coil, then the stretched metal wire spiral coil is fed, and the step of stretching the metal wire spiral coil is repeatedly executed; the network 16-19 is a stage moving step, the stage moves back and forth under the action of the horizontal lead screw 73 and the horizontal driving motor 70, and the wire has an axial movement relative to the mandrel, so that the wire is uniformly wound on the mandrel.
The invention explains the working mode of the fixed-distance stretching device used in the metal rubber automatic forming system by combining the working mode of a metal rubber automatic forming system:
firstly, turning on a power supply of the device, and adjusting each part on the spring machine 3 according to the diameter of the metal wire to be processed and the diameter and the thread pitch of the spiral coil of the dense-circle metal wire to be processed.
In the second step, the metal wire to be processed is correctly installed, and the first guide tube 20 is installed at the outlet of the spring machine 3.
And thirdly, pressing a 'start' button on a liquid crystal display of the console, resetting and initializing each component, and starting wire feeding of the spring machine 3.
In a fourth step, the spiral coil of wire continues to move forward to the first opto-electronic switch 28, due to the feed movement of the machine tool. When the first opto-electronic switch 28 detects a wire coil, the second pull finger 24 moves to the first opto-electronic switch 28 and grips the wire coil, and thereafter the second pull finger 24 moves to the second opto-electronic switch 29, at which time the third pull finger grip 25 grips the wire coil and the second pull finger 24 unwinds the wire coil and retracts a distance (pitch of several tight turns of wire coil).
And fifthly, after the second pulling claw 24 moves to the second photoelectric switch 29, the third pulling claw 25 clamps the spiral coil of the metal wire, and the second pulling claw 24 continues to clamp the spiral coil of the metal wire, moves backwards by a distance of a fixed stretching pitch and keeps for a period of time, and completes one fixed stretching of the spiral coil of the metal wire.
And sixthly, after the distance stretching is completed, the third pulling claw 25 releases the spiral coil of the metal wire, the second pulling claw 24 clamps the spiral coil of the metal wire to the second photoelectric switch 29 until the position of the second photoelectric switch stops, a feeding motion is completed, then the third pulling claw 25 grabs the spiral coil of the metal wire, and the second pulling claw 24 moves backwards to perform the distance stretching.
And repeating the five and six steps to finish the automatic fixed-distance stretching of the metal wire spiral coil.
Seventhly, the stretched metal wire spiral coil is pressed into the needle pressing roller 32 through the third guide pipe 30, the positioning fine needle 52 hooks the metal wire spiral coil, the main shaft rotates for a certain angle, the workbench 27 moves for a certain distance at the same time, the main shaft and the workbench are matched, a certain grain is wound on the mandrel, and the sixth step, the seventh step and the sixth step are repeated until the blank winding is completed.
Eighthly, after the blank is wound, the cold pressing screw rod rotates 73 to drive the movable die 50 to push the core shaft 54 and the fixed die 40 to be closed and cold pressed, the pressure is maintained for a period of time, after the cold pressing is finished, the console indicates that the processing of a metal rubber test block is finished through sound alarm, the second connecting rod 44 is rotated manually to open the end cover 42 of the fixed die, the movable die 50 moves to push out the metal rubber, and the metal rubber is taken down manually by a worker to finish the automatic forming of the metal rubber.
In the ninth step, the second link 44 is manually pushed back, and the movable mold 40 drives the mandrel 54 to return to the initial position.
And repeating the fifth step to the ninth step to realize continuous molding of the metal rubber.
In the present example, there are four-six steps corresponding to the network 1-19 of the PLC program diagram of the pitch stretching apparatus.
In the embodiment of the invention, the fourth step and the fifth step are distance stretching initialization steps, if no broken wire exists, the step can not be executed, and if the broken wire exists, an interruption instruction is executed, and the system is recovered to an initial standby state.
In the embodiment of the invention, because the travel switches are arranged at the two ends of the horizontal guide rail frame, the third guide pipe is always aligned with the mandrel, and the metal wire spiral coil is always wound on the mandrel.
In the embodiment of the invention, the positioning fine needle is made of a deformable material, the positioning fine needle deforms and is separated from the mandrel during mold closing, and the demolding mandrel returns to the mandrel hole and returns to the original position when returning.
When the work needs to be stopped, a pause button on the liquid crystal display is pressed, all the components stop working, a restart button is pressed, and all the components continue to work before the stop.
In the embodiment of the invention, in the blank winding process, in order to ensure that the metal wire spiral coil is wound fully and tightly, the speed should be controlled within a reasonable range of 0.5-1 m/min.
The embodiment of the invention provides a fixed-distance stretching device for an automatic metal rubber forming system, which realizes fixed-distance automatic stretching of a spiral coil of a metal wire and automatic forming of a metal rubber blank.
Finally, it should be noted that: the above examples are only for illustrating the technical solutions of the present invention, and are not limited thereto. Although the present 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 solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (1)
1. A distance stretching device for use in an automatic metal rubber molding system, comprising: horizontal guide rail frame, horizontal lead screw, second stand pipe, first claw, the second of drawing draws claw, third and draws claw, distance guide rail, workstation, first photoelectric switch, second photoelectric switch, third stand pipe, tucking cylinder, distance lead screw, horizontal nut, first travel switch and second travel switch, its characterized in that:
the horizontal guide rail bracket is arranged on the rack; the horizontal lead screw is arranged in the horizontal guide rail bracket; the workbench is arranged on a guide rail of the frame, and the horizontal nut is arranged at the bottom of the workbench and forms a screw nut transmission pair with the horizontal lead screw; the second guide pipe is arranged in the middle of the front end of the workbench, connected with the first guide pipe and collinear with the first guide pipe; the distance lead screw is arranged in a distance guide rail in the middle of the stretching workbench, and rolling bearings are arranged at two ends of the distance lead screw and are convenient to rotate;
a first pull claw, a second pull claw and a third pull claw are arranged on the distance guide rail; the first pull claw and the third pull claw are fixed on the guide rail and cannot move; the second pull claw is arranged on the distance lead screw, a transmission thread is arranged in an end hole of the second pull claw, the second pull claw and the distance lead screw form a lead screw nut transmission pair, and claw openings of the three pull claws are collinear with the second guide pipe; the third guide pipe is arranged at the rear end of the stretching workbench, and the inlet of the third guide pipe is close to the third pull claw; the bottom of the needle pressing roller is arranged at the rear end of the workbench, and the roller is arranged at the tail end of the third guide pipe;
the first photoelectric switch is arranged near the first pull claw; the second photoelectric switch is arranged near the third pull claw; the first travel switch is arranged at the left end of the horizontal guide rail; the second travel switch is arranged at the right end of the horizontal guide rail;
the first guide pipe is formed by installing a metal wire spiral coil winding mechanism at a metal wire spiral coil generating position and is used for guiding a metal wire spiral coil;
the second pull claw comprises a mini cylinder, an upper clamping jaw, a lower clamping jaw, a pin, a clamping jaw sleeve and a claw root nut; the mini cylinder is welded with the clamping jaw sleeve and is connected with a two-position four-way electromagnetic directional valve, and the electromagnetic directional valve controls the cylinder to stretch; the upper clamping jaw is arranged on the mini cylinder through a screw, and the upper clamping jaw is arranged in the long hole through a pin so as to move up and down; the lower clamping jaw is arranged in a positioning hole below the clamping jaw sleeve through a pin; one end of the claw nut is connected with the claw sleeve;
the first pull claw, the third pull claw and the second pull claw have the same main structure, and the difference is that a claw nut is replaced by a through hole to install a distance lead screw;
the distance lead screw is connected with the stretching driving motor and controls the lead screw to rotate forwards and reversely so as to control the second pull claw to move on the guide rail; the horizontal lead screw is connected with a horizontal movement driving motor and controls the lead screw to rotate forwards and reversely so as to control the workbench to move on the guide rail;
the first travel switch and the second travel switch are used for limiting the left-right reciprocating movement distance of the stretching workbench, the first travel switch is used for enabling the third guide pipe to be over against the left end positioning fine needle of the mandrel in the blank winding and forming device, and the second travel switch is used for enabling the third guide pipe to be over against the right end positioning fine needle of the mandrel in the metal rubber blank winding and forming device.
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| CN201910962043.0A CN110802187B (en) | 2019-10-11 | 2019-10-11 | Fixed-distance stretching device for metal rubber automatic forming system |
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| CN201910962043.0A CN110802187B (en) | 2019-10-11 | 2019-10-11 | Fixed-distance stretching device for metal rubber automatic forming system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114753024A (en) * | 2022-04-08 | 2022-07-15 | 广东国兴乳胶丝有限公司 | Preparation method and device of telescopic conductive latex yarn |
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| CN114753024A (en) * | 2022-04-08 | 2022-07-15 | 广东国兴乳胶丝有限公司 | Preparation method and device of telescopic conductive latex yarn |
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| CN110802187B (en) | 2021-03-30 |
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