CN110508633B - Automatic die penetrating equipment and die penetrating method applying same - Google Patents
Automatic die penetrating equipment and die penetrating method applying same Download PDFInfo
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- CN110508633B CN110508633B CN201910666203.7A CN201910666203A CN110508633B CN 110508633 B CN110508633 B CN 110508633B CN 201910666203 A CN201910666203 A CN 201910666203A CN 110508633 B CN110508633 B CN 110508633B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C5/00—Pointing; Push-pointing
- B21C5/006—Pointing; Push-pointing of solid material, e.g. wire or profiles
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Abstract
The invention belongs to the technical field of copper wire die penetrating, and particularly relates to automatic die penetrating equipment and a die penetrating method using the same. The automatic die-punching machine can simply, conveniently and quickly realize the automatic die-punching function of finished copper wires with specified diameters. The equipment comprises a first die holder, a first clamp, a clamping conveying roller, a second clamp, a third clamp, a first induction blocking piece, a second die holder, a conveying clamp, a fourth clamp and a second induction blocking piece which are sequentially arranged along the advancing direction of a copper wire. The method of the invention comprises the following steps: clamping a conveying roller to convey a wire; the first clamp and the third clamp break the copper wire, so that a pointed head is formed at the breaking point of the copper wire; the second clamp clamps the copper wire and sends the copper wire into a second die holder; drawing the copper wire by a fourth clamp; the conveying clamp clamps the die in the current working procedure and sends the die into the first die holder, and meanwhile, the fourth clamp descends for paying off; and the conveying clamp and the fourth clamp are reset, the second induction blocking piece is reset, and the steps are continuously and sequentially repeated until all the dies in the second die holder are completely used.
Description
Technical Field
The invention belongs to the technical field of copper wire die penetrating, and particularly relates to automatic die penetrating equipment and a die penetrating method using the same.
Background
At present, cold-rolled wire rods with the diameter of 5.5mm, the diameter of 6.5mm, the diameter of 8.0mm and the like are generally adopted for producing copper wires, the copper wires with the required wire diameter are obtained through processes of drawing for multiple times, intermediate heat treatment, surface treatment and the like, then a plurality of copper wires are stranded into wires and are subjected to subsequent treatment, and finally finished wires are obtained. In the drawing process, no matter dry drawing or wet drawing, the copper wire needs to be processed and deformed through a die hole of a wire drawing die, and finally, a finished copper wire with the diameter required by the copper wire is formed. Draw to the copper line often, need the operative employee to sharpen copper line head by hand on the emery wheel, penetrate the nib with copper line point-end along the one end of wire drawing die nib again, later with calliper etc. clip the copper line head of wearing out and outwards draw the copper line hard to make the copper line "smooth out" by the nib become the two copper lines that the diameter is thinner relatively. After the two copper wires are pulled out by a section of length along the die hole, the two copper wires can be wound on a cone pulley pulled by the water tank or a winding drum of dry-pulling equipment, and then the two copper wires are completely pulled by the traction force of the wire-drawing equipment. Finished copper wires with specified diameters can meet the diameter requirements of the finished copper wires without once die penetration, and the finished copper wires can be prepared by repeating the operation for dozens of times or even twenty times by relying on a plurality of groups of wire drawing dies with gradually reduced die hole diameters; in each drawing process, the distance of about one meter that the copper wire is initially drawn out of the wire-drawing die is completed by depending on the manual operation force; especially for some copper wires with thicker specifications, the above manual drawing operation is more difficult and sometimes needs several operators to complete together. Obviously, the whole operation process is tedious and complex, and the labor intensity is very high; when wasting time and energy, operating efficiency can't obtain further promotion on the contrary, the actual economic benefits who has seriously restricted copper line manufacture factory.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides automatic die-punching equipment and a die-punching method using the same, which can simply, conveniently and quickly realize the automatic die-punching function of finished copper wires with specified diameters; the invention has compact structure and reliable and stable work, can realize the aim of automatic production and is beneficial to practical production and application.
In order to achieve the purpose, the invention adopts the following technical scheme:
an automatic die-penetrating equipment is characterized in that: this equipment includes along first die holder, first anchor clamps, centre gripping conveying roller, second anchor clamps, third anchor clamps, first response separation blade, second die holder, conveying anchor clamps, fourth anchor clamps and the second response separation blade that copper line advancing direction set gradually, wherein:
a first die holder: the mould is used for fixing the previous procedure;
a first clamp: for clamping the copper wire;
and (3) clamping the conveying roller: the copper wire clamping device is formed by mutually matching two groups of rollers with vertical axes, and a clamping gap for clamping a copper wire is formed by a matching gap between the two groups of rollers; the two groups of rollers can move close to and away from each other along the horizontal direction;
a second clamp: for clamping the copper wire;
a third clamp: for clamping the copper wire;
first response separation blade: a detection surface for detecting in-place information of the copper wire is formed on one side plate surface of the first induction blocking piece facing the third clamp;
the equipment also comprises a rotating platform consisting of a conveying belt, wherein the upper belt surface of the rotating platform is fixedly connected with the second clamp, the third clamp and the first induction blocking piece in sequence along the conveying direction;
a second die holder: fixing the mold of the current process so that a die hole axis of the mold of the current process and a traveling path of the copper wire coincide with each other;
conveying a clamp: the device comprises a first sliding seat and a first driving cylinder which is arranged on the first sliding seat and can generate telescopic action in the vertical direction, wherein the driving rod end of the first driving cylinder is fixedly connected with a first clamping head so as to take out a second die holder inner die and place the die into a first die holder;
a fourth clamp: the copper wire clamping device comprises a second sliding seat and a second driving cylinder which is arranged on the second sliding seat and can generate telescopic action in the vertical direction, wherein the driving rod end of the second driving cylinder is fixedly connected with a second clamping head so as to be used for clamping a copper wire; the first sliding seat and the second sliding seat are in sliding fit with the aerial guide rail, and the conveying clamp and the fourth clamp can generate reciprocating linear motion along the traveling direction of the copper wire so as to clamp and place a die in the second die holder into the first die holder;
a second induction baffle sheet: the second induction separation blade is fixed on the air guide rail through the third sliding seat, a detection surface used for detecting copper wire in-place information is formed on one side plate surface of the second induction separation blade facing the fourth clamp, and then the fourth clamp starts to generate response action and clamps the copper wire.
Preferably, the second die holder comprises a placement groove with the groove length direction perpendicular to the traveling direction of the copper wire, the placement groove is provided with an upward opening, and a cover plate capable of being opened and closed and having the function of closing the groove opening is covered at the groove opening; one end of the placing groove, which is relatively far away from the copper wire, is taken as a sealing end, the other end of the placing groove is taken as a feeding end, and a compression spring for pushing a die in a groove cavity of the placing groove to move forwards along the groove length direction is arranged at the sealing end; the second die holder also comprises a fixed die holder with an upward opening and a groove length direction parallel to the traveling direction of the copper wire; the placing groove transversely penetrates through one groove wall of the fixed die holder so as to form a feeding end of the placing groove at the groove wall; the groove cavity of the fixed die holder forms a fixed cavity for fixing the die in the current process, the groove cavity of the placement groove forms a placement cavity for sequentially accommodating the dies in the next process, and a sealing sheet for opening and closing the feeding end is arranged on the bottom surface of a section of groove between the die in the current process and the die in the next process at the feeding end.
Preferably, in the overlooking direction, the groove cavity of the second die holder is in a three-section necking groove shape with the groove widths at two ends smaller than the groove width of the middle section, so that a groove shoulder formed by matching the groove cavity of the middle section of the second die holder with the groove cavities at two ends can limit the axial movement of the die in the current process along the traveling direction of the copper wire.
Preferably, a supporting block used for supporting the mold in the current process to generate a lifting action is arranged on the bottom surface of the groove of the fixed mold base, and the supporting block is driven by a lifting cylinder so as to generate a vertical lifting action in the groove cavity of the fixed mold base; when the supporting block is at the highest position, the upper plate surface of the supporting block is higher than the groove bottom surface of the placing groove, and when the supporting block is at the lowest position, the upper plate surface of the supporting block is equal to or lower than the groove bottom surface of the placing groove; the shape of the closed sheet is a square thin plate, one end of the closed sheet is hinged on the supporting block, and the axis of the hinged shaft of the closed sheet is parallel to the advancing direction of the copper wire.
Preferably, a groove end of the fixed die holder facing the rotary platform is provided with a V-shaped guide groove for guiding the copper wire in the traveling direction, so that the copper wire can be smoothly guided into the die hole of the current process in the second die holder.
Preferably, the first die holder is provided with an accommodating groove with an upward opening, and the length direction of the accommodating groove is parallel to the advancing direction of the copper wire; the groove cavity of the first die holder is also in a three-section necking groove shape with the groove widths at two ends smaller than the groove width at the middle section, so that the groove shoulder formed by matching the groove cavity at the middle section of the first die holder and the groove cavities at the two ends can limit the axial movement of the die in the first die holder along the traveling direction of the copper wire.
Preferably, one end of the compression spring for abutting against the die is further provided with an abutting plate.
Preferably, the die-punching method using the automatic die-punching equipment is characterized by comprising the following steps:
1) the copper wire passes through a clamping conveying roller, the clamping conveying roller clamps the copper wire, and the wire feeding is started;
2) when the copper wire moves forwards until the copper wire meets the first induction blocking piece, the second clamp is in an open state, the first clamp and the third clamp act simultaneously to clamp the copper wire, and the clamping conveying roller is opened; then, the rotary platform starts to act so that the second clamp, the third clamp and the first induction baffle sheet simultaneously move forwards along the moving direction of the copper wire; with the forward movement of the third clamp, the copper wire positioned between the third clamp and the first clamp is broken, so that a pointed head is formed at the broken point of the copper wire;
3) the first clamp and the third clamp are opened, and the second clamp acts and clamps the copper wire;
4) the rotating platform continues to act so as to drive the second fixture to move forwards until the third fixture and all parts of the first sensing separation blade move to the lower conveyor belt surface of the rotating platform, and at the moment, the copper wire with the sharp head clamped at the second fixture is guided into the die hole of the die in the current working procedure at the second die holder and passes through the die hole;
5) when the copper wire meets the second induction baffle, the fourth clamp clamps the copper wire, moves for a distance along the advancing direction of the copper wire together with the second induction baffle under the action of the aerial guide rail and then stops moving, so that the copper wire is pulled out of the die hole of the die in the current working procedure for the specified distance; the first driving cylinder at the conveying clamp acts to enable the first clamping head to descend and extend into the second die holder so as to clamp the die in the current working procedure;
6) when the conveying clamp clamps the dies in the current working procedure and retracts and resets by virtue of the first driving cylinder, the next group of dies in the second die holder slide into the fixed die holder along the placing groove, and the fourth clamp keeps a clamping state and synchronously retracts and resets by virtue of the second driving cylinder; then, the conveying clamp and the fourth clamp drive the die and the copper wire to move reversely in the advancing direction of the copper wire under the action of the air guide rail until the conveying clamp moves above the first die holder; then, the rotary platform is reset, the first clamping head of the conveying clamp descends and sends the die in the current working procedure into the first die holder, and meanwhile, the fourth clamp descends, so that the end part of the copper wire is placed at the clamping port of the second clamp or the third clamp on the rotary platform;
7) the conveying clamp and the fourth clamp are reset, and the second induction separation blade is reset;
8) and continuously and sequentially repeating the steps until all the dies in the second die holder are used, and finishing all die penetrating operations.
In the step 2), the third clamp breaks the copper wire so that the rotating platform needs to be reset again after the copper wire break point is formed; at the moment, when the reset first sensing blocking piece senses that a tip formed by a breakpoint of the copper wire reaches the sensing surface of the first sensing blocking piece, the second clamp normally clamps the copper wire and sends the wire forward, and the tip of the copper wire just penetrates through a die hole of a die in a second die holder and exposes a wire end long enough for the fourth clamp to clamp; when the tip of the copper wire is not sensed by the first sensing blocking piece to reach the sensing surface of the first sensing blocking piece, the copper wire is clamped again by the clamping conveying roller and conveyed forwards until the tip of the copper wire moves forwards and touches the sensing surface of the first sensing blocking piece, and then wire feeding of the second clamp and threading operation of the die hole of the die in the second die holder are executed.
The invention has the beneficial effects that:
1) and during actual operation, the initial cold-rolled wire rod or the copper wire subjected to die penetration in the previous working procedure is placed in the die cavity of the first die holder in advance. At the moment, the cold-rolled wire rod or the copper wire can pass through the two groups of rollers of the clamping conveying roller through the clamping opening of the first clamp and enter the clamping opening of the second clamp and even the third clamp under the action of initial forward force provided by the clamping conveying roller. When the copper wire finally moves to the first induction separation blade, the third clamp clamps the copper wire and generates a far-away operation relative to the first clamp, so that the copper wire is broken in cooperation with the first clamp. When the copper wire is broken, the front end of the copper wire becomes thin naturally and forms a pointed structure which is favorable for penetrating into a die hole of a die. Afterwards, the rotating platform continues to rotate, so that the first induction blocking piece is located below the rotating platform, a path is left for the copper wire to further advance to the second die holder, and the die penetrating operation of the current process is achieved. And the copper wire drawing operation after the die penetrating in the current process depends on the clamping of the fourth clamp and the outward action along the aerial guide rail to draw the copper wire. Finally, the die originally positioned in the second die holder is conveyed to the first die holder at the starting point of the production line under the action of the conveying clamp, and the copper wire elongated in advance is clamped by the fourth clamp and directly conveyed and placed at the second clamp or the third clamp so as to carry out the copper wire die penetrating operation of the next flow. Repeating the steps for multiple times to finally obtain the copper wire with the specified diameter.
In summary, the present invention overcomes the problems of low efficiency and high labor intensity caused by frequent pulling of copper wires manually and repeatedly, and develops automated production equipment, so that the traditional manual operation is replaced by full-flow automated production. The automatic die-punching machine can conveniently and quickly realize the function of automatic die-punching for a plurality of times on finished copper wires with specified diameters, and simultaneously greatly improves the actual operation efficiency. The invention has compact structure and reliable and stable work, can realize the aim of automatic production and is beneficial to practical production and application.
2) For the second die holder, the setting function of the second die holder is consistent with that of the first die holder, namely, the online fixing function of the corresponding die is achieved, so that the copper wire can be pulled by external force when passing through a die hole of the die in the die holder, and the purpose of forcibly thinning the diameter of the copper wire is achieved. The other function of the second die holder is to arrange a plurality of groups of dies in the arranging groove in advance; the aperture of the die hole of each die is gradually increased, namely the die hole of the die in the current process in the fixed die holder is larger than any die hole in the placing groove. When the die of the current procedure in the fixed die holder is clamped out by the conveying clamp, the closed sheet opens the passage, and the die with a relatively thinner die hole in the placing groove can naturally fall into the fixed die holder, so that the functions of automatically supplementing the die and ensuring that the diameter of the copper wire of the drawing operation in the next step can be further refined are achieved, and the automatic degree of use of the automatic copper wire drawing device is extremely high.
3) Of course, for the second die holder or even the first die holder, the die cavity or the groove cavity for fixing the corresponding die should be provided with a fixing structure to prevent the axial movement of the die along the traveling direction of the copper wire. As for the above-described fixing structure, a clamping method, even a bolt fixing method, or the like can be employed. The invention preferably adopts a three-section groove cavity structure with an upward opening, thereby utilizing a spigot step or a groove shoulder naturally formed at the groove cavity to achieve the anti-cross function and the purpose of convenient and fast mold taking and placing, obviously not influencing the actual taking and placing operation of the mold, and being extremely simple, convenient and fast to use.
4) The sealing sheet has the function of being extremely important, namely the material feeding end of the placing groove can be timely opened and closed according to needs, so that only one group of dies are allowed to slide or roll into the groove cavity of the fixed die holder from the placing groove at a time. In practice, the closing plate can be used for blocking the travelling path of other moulds in the accommodating groove by means of the telescopic rod pushed by the air cylinder, and can also be used for blocking the other moulds from moving towards the fixed mould base cavity by a swinging rod which generates hinged swinging motion on a vertical plane. The invention preferably adopts a mode that the supporting block is matched with the lifting cylinder, and has the following advantages: the supporting block is driven by the lifting cylinder to lift, so that the sealing sheet hinged with the supporting block can be driven to tilt up or horizontally or even tilt down. When the closing sheet is driven by the lifting action of the supporting block to generate the upward inclined lifting action, the closing sheet presents an upward extending slope surface structure, thereby playing the purpose of stopping other moulds in the placing groove from moving towards the cavity of the fixed mould base. When the sealing sheet is driven by the downward movement of the supporting block to horizontally or even obliquely move, the front die in the placing groove naturally rolls or slides into the groove cavity of the second die holder under the action of the compression spring. The V-shaped guide groove is arranged to ensure the die penetrating and centering functions of the copper wire relative to the die hole of the die in the second die holder, so that the die penetrating reliability and accuracy are improved.
Drawings
FIG. 1 is a top view of the present invention in an operational state;
FIG. 2 is a front view of the structure shown in FIG. 1;
FIG. 3 is an operational state diagram of the structure shown in FIG. 1;
FIG. 4 is a front view of the second die holder;
fig. 5 is a sectional view showing the second die holder in an operating state.
The actual correspondence between each label and the part name of the invention is as follows:
a-copper wire b-mould
10-first mold base 11-receiving groove
20-first gripper 30-gripper conveyor roll 40-second gripper 50-third gripper
60-first induction baffle plate 70-second die holder
71-placing groove 72-cover plate 73-compression spring 74-fixed die holder 75-sealing sheet
76-supporting block 77-lifting cylinder 78-abutting plate 79-V-shaped guide groove
80-conveying clamp 81-first sliding seat 82-first driving cylinder 83-first clamping head
90-fourth clamp 91-second sliding seat 92-second driving cylinder 93-second clamping head
100-second induction baffle plate 101-third sliding seat
110-rotating platform 120-air guide rail
Detailed Description
For ease of understanding, the specific construction and operation of the present invention is further described herein with reference to FIGS. 1-5:
the structure of the embodiment of the present invention can be seen from fig. 1 to 3, and the main structure thereof includes a first die holder 10, a first clamp 20, a clamping and conveying roller 30, a second clamp 40, a third clamp 50, a first sensing barrier 60, a second die holder 70, a conveying clamp 80, a fourth clamp 90 and a second sensing barrier 100, which are sequentially arranged along the traveling direction of a copper wire a, wherein:
the first die holder 10 is shaped like a square block as shown in fig. 1, and a receiving groove 11, the axis of which coincides with the copper wire traveling path, is concavely formed on the upper surface of the first die holder 10. The shape of the holding tank 11 is a three-section type necking trough shape with two-end trough cavity widths smaller than the middle-section trough cavity width, so that the middle-section trough cavity of the holding tank 11 can be just clamped into the mold b of the previous process as shown in fig. 1. Like this, thereby when external force applys outwards to draw the copper line, rely on the groove shoulder that cooperation formed between middle section slot chamber and both ends slot chamber, but the corresponding mould b of tang cooperation to play spacing and avoid middle section slot intracavity mould b to take place the axial and move the situation.
For the first clamp 20, the second clamp 40, the third clamp 50, the fourth clamp 90 and even the conveying clamp 80, the used structures can be the existing clamp structures directly, namely, the clamps can be purchased directly in the market, and only the functions of timely clamping and releasing the corresponding objects can be realized. The opening direction of each clamp and the mold taking direction of each mold base are upward, so that the copper wires and the corresponding molds can be conveniently taken out and put in. And the clamping conveying roller 30 plays a role in clamping and straightening the copper wire and can provide the copper wire with forward force when needed so as to realize an outward drawing function of the copper wire. The conveying fixture 80 and the fourth fixture 90 are more special than other fixtures, and the first driving cylinder 82 and the second driving cylinder 92 are used for realizing the vertical extension and contraction function of lead, and the first sliding seat 81 and the second sliding seat 91 are matched with the air guide rail 120 for realizing the reciprocating movement along the whole production line. Meanwhile, the second sensing fence 100, which is a sensing plate, is fixed to the third sliding seat 101, and can also perform a reciprocating movement on the air rail 120 as needed.
The second fixture 40, the third fixture 50 and the first sensing flap 60 are all fixed to the upper belt surface of the rotary platform 110 as shown in fig. 2-3. The first sensing fence 60 functions to sense that the length of the copper wire a transferred from the nip feed roller 30 reaches a specified length. This sensing not only reflects the fixed-length monitoring function of the copper wire a that is performed in the process after the copper wire a has reached the third jig 50 and the third jig 50 can then perform the copper wire snapping operation, but also functions in the process after the third jig 50 snaps the copper wire. When the copper wire a is broken by the third clamp 50 and a tip is generated, the rotating platform 110 needs to be reset again, and the reset first sensing barrier 60 is used for sensing whether the tip of the copper wire a reaches the sensing surface. If the first sensing barrier 60 senses that the tip of the copper wire a reaches the sensing surface, the second fixture 40 normally clamps the copper wire a and feeds the wire forward, and at this time, the tip of the copper wire a just passes through the die hole of the die b in the second die holder 70, and a wire end long enough is exposed to be clamped by the fourth fixture 90. If the first sensing baffle 60 does not sense that the tip of the copper wire a reaches the sensing surface, it indicates that the broken breakpoint of the copper wire a is relatively deviated, the holding and conveying roller 30 is required to perform an auxiliary action, that is, the holding and conveying roller 30 re-clamps the copper wire a and conveys the copper wire a forward until the breakpoint of the copper wire a advances and touches the sensing surface of the first sensing baffle 60, so as to ensure the normal and reliable operation of the subsequent flow of the whole device. Of course, since the first sensing flap 60 is fixed relative to the rotating platform 110, and the second fixture 40 and the third fixture 50 are both located in front of the first sensing flap 60, when the second fixture 40 feeds the wire and the tip of the copper wire a extends out of the rotating platform 110, the first sensing flap 60 is hidden under the rotating platform 110 as shown in fig. 3 due to the unique conveyer belt type running structure of the rotating platform 110, so that the normal running of the copper wire a is not interfered.
As for the second die holder 70, as shown in fig. 4-5, the groove of the whole fixed die holder 74 preferably adopts a three-section groove structure with an upward opening, so that a spigot step or a groove shoulder naturally formed at the groove is utilized to achieve the anti-cross function and the purpose of conveniently taking and placing the die b, i.e., the actual taking and placing operation of the die b is not affected, and the use is very simple, convenient and quick. For the sealing sheet 75 connecting the placing groove 71 and the groove cavity of the fixed die holder 74, the function of the sealing sheet is very important, that is, the material feeding end of the placing groove 71 can be opened and closed timely according to the requirement, so that only one group of dies b are allowed to slide or roll into the groove cavity of the fixed die holder 74 from the placing groove 71 at a time. During actual operation, adopt the mode of holding in the palm kickoff 76 collocation lift cylinder 77, can realize holding in the palm kickoff 76 controllable lift function to possess following benefit simultaneously: by utilizing the lifting action of the supporting block 76 driven by the lifting cylinder 77, the sealing sheet 75 hinged with the supporting block 76 can be driven to generate an upward inclined lifting action or a horizontal or even downward inclined action. When the closing piece 75 is driven by the lifting action of the supporting block 76 to generate an upward inclined lifting action, the closing piece 75 presents an upward extending slope structure, thereby achieving the purpose of blocking other dies b in the placing groove 71 from moving into the groove cavity of the fixed die holder 74. When the closing plate 75 is driven by the downward movement of the supporting block 76 to horizontally or even obliquely move, the front mold b in the accommodating groove 71 naturally rolls or slides into the cavity of the second mold holder 70 under the thrust action of the compression spring 73 and the abutting plate 78. The purpose of the V-shaped guide groove is to ensure the die-piercing centering function of the copper wire a relative to the die hole of the die b in the second die holder 70, so as to improve the die-piercing reliability and accuracy.
In order to further understand the invention, the specific operation steps of the invention are also given as follows:
1) the copper wire a passes through the nip transport roller 30, and the nip transport roller 30 pinches the copper wire a to start feeding the wire.
2) When the copper wire a advances until the copper wire a meets the first sensing baffle 60, the second clamp 40 is in an open state, the first clamp 20 and the third clamp 50 simultaneously act and clamp the copper wire a, and the clamping conveying roller 30 is opened. Then, the rotary platform 110 starts to move so that the second clamp 40, the third clamp 50 and the first sensing barrier 60 simultaneously advance along the copper wire traveling direction; with the advancing action of the third jaw 50, the copper wire located between the third jaw 50 and the first jaw 20 is pulled apart, thereby forming a sharp point at the breaking point of the copper wire a.
3) The second gripper 20 may be, as shown in fig. 1-3, normally relatively close to the nip feed roller 30 and far from the third gripper 40 in the path of travel of the copper wire, so as to ensure that the breaking point of the copper wire a is as far above the rotary platform 110 as possible; at this time, the first and third clamps 20 and 50 are opened, and the second clamp 40 is operated to directly clamp the copper wire a, thereby achieving the purpose of normally conveying the copper wire a. If the breaking point of the copper wire a is broken outside the rotating platform 110 with a small probability, the clamping and conveying roller 30 is closed to re-clamp the copper wire a with the sharp head, and the copper wire a with the sharp head is pushed to the second clamp 40, and the second clamp 40 operates again to clamp the copper wire a. Even accompanied by the resetting operation of the rotary platform 110, the second fixture 40 is driven to reset and approach the clamping conveyor roller 30 as close as possible, and it is ensured that the sensing surface of the first sensing baffle 60 can monitor that the copper wire a actually extends out of the clamping conveyor roller 30 to a sufficient length, so as to ensure that the second fixture 40 can correctly clamp the copper wire a with a tip, and ensure that the tip of the copper wire a can certainly extend through the die hole and extend out of the wire head of a sufficient length for the fourth fixture 90 to clamp in the subsequent die-threading operation.
4) The rotary platform 110 continues to move to drive the second fixture 40 to move forward until the third fixture 50 and the first sensing baffle 60 all move to the lower conveyor belt surface of the rotary platform 110, and at this time, the copper wire a with a sharp head clamped at the second fixture 40 is guided into the die hole of the die b of the current process at the second die holder 70 and passes through the die hole.
5) When the copper wire a meets the second induction baffle 100, the fourth fixture 90 clamps the copper wire a and stops moving after moving for a certain distance along the traveling direction of the copper wire together with the second induction baffle 100 under the action of the air guide rail 120, so that the copper wire a is pulled out of the die hole of the die b in the current process for a specified distance. The first driving cylinder 82 of the conveying jig 80 is operated to move the first clamping head 83 downward and into the second die holder 70, thereby clamping the die b of the current process.
6) When the conveying clamp 80 clamps the mold b in the current process and is retracted and reset by virtue of the first driving cylinder 82, the supporting block 76 moves downwards under the action of the lifting cylinder 77, the sealing sheet 75 loses the sealing function, so that the feeding end of the placement groove 71 is opened, and then the next group of molds b in the second mold base 70 slide into the fixed mold base 74 along the placement groove 71. The fourth gripper 90 remains in a gripping condition and is simultaneously retracted and reset by means of a second actuating cylinder 92. Then, the conveying jig 80 and the fourth jig 90 carry the die b and the copper wire a to move in the reverse direction of the traveling direction of the copper wire by the air guide 120 until the conveying jig 80 moves above the first die holder 10. Then, the rotary platform 110 is reset, the first clamping head 83 of the conveying fixture 80 moves downward and sends the die b of the current process into the first die holder 10, and the fourth fixture 90 moves downward, so that the end of the copper wire is placed at the clamping opening of the second fixture 40 or the third fixture 50 at the rotary platform 110.
7) The conveying clamp 80 and the fourth clamp 90 are reset, and the second induction baffle 100 is reset.
8) And repeating the steps continuously and sequentially until all the dies b in the second die holder 70 are used completely, thereby completing all the die penetrating operations.
Claims (9)
1. An automatic die-penetrating equipment is characterized in that: this equipment includes first die holder (10), first anchor clamps (20), centre gripping conveying roller (30), second anchor clamps (40), third anchor clamps (50), first response separation blade (60), second die holder (70), conveying anchor clamps (80), fourth anchor clamps (90) and second response separation blade (100) that set gradually along copper line advancing direction, wherein:
first die holder (10): the mould is used for fixing the previous procedure;
first clamp (20): for clamping the copper wire;
nip conveying roller (30): the copper wire clamping device is formed by mutually matching two groups of rollers with vertical axes, and a clamping gap for clamping a copper wire is formed by a matching gap between the two groups of rollers; the two groups of rollers can move close to and away from each other along the horizontal direction;
second clamp (40): for clamping the copper wire;
third jig (50): for clamping the copper wire;
first sensing flap (60): one side plate surface of the first induction baffle plate (60) facing the third clamp (50) forms a detection surface for detecting in-place information of the copper wire;
the equipment also comprises a rotary platform (110) consisting of a conveying belt, wherein the upper belt surface of the rotary platform (110) is fixedly connected with the second clamp (40), the third clamp (50) and the first induction baffle (60) in sequence along the conveying direction;
second die holder (70): fixing the mold of the current process so that a die hole axis of the mold of the current process and a traveling path of the copper wire coincide with each other;
conveying jig (80): the device comprises a first sliding seat (81) and a first driving cylinder (82) which is arranged on the first sliding seat (81) and can generate telescopic action in the vertical direction, wherein the driving rod end of the first driving cylinder (82) is fixedly connected with a first clamping head (83) so as to take out a die in a second die holder (70) and place the die in a first die holder (10);
fourth clamp (90): the copper wire clamping device comprises a second sliding seat (91) and a second driving cylinder (92) which is arranged on the second sliding seat (91) and can generate telescopic motion in the vertical direction, wherein the driving rod end of the second driving cylinder (92) is fixedly connected with a second clamping head (93) so as to be used for clamping a copper wire; the first sliding seat (81) and the second sliding seat (91) are in sliding fit with the aerial guide rail (120) to form a guide rail, and the conveying clamp (80) and the fourth clamp (90) can generate reciprocating linear motion along the advancing direction of the copper wire so as to clamp and place a die in the second die holder (70) into the first die holder (10);
second sensing flap (100): the second induction baffle (100) is fixed on the air guide rail (120) through the third sliding seat (101), a detection surface for detecting the in-place information of the copper wire is formed on one side plate surface of the second induction baffle (100) facing the fourth clamp (90), and then the fourth clamp (90) starts to generate response action and clamps the copper wire.
2. An automatic die-threading apparatus according to claim 1, characterized in that: the second die holder (70) comprises a placement groove (71) with the groove length direction perpendicular to the copper wire advancing direction, the placement groove (71) is opened upwards, and a cover plate (72) which can be opened and closed and has the function of closing the groove opening is covered on the groove opening; one end of the placing groove (71) relatively far away from the copper wire is taken as a sealing end, the other end of the placing groove is taken as a feeding end, and a compression spring (73) for pushing a die in a groove cavity of the placing groove (71) to move forwards along the groove length direction is arranged at the sealing end; the second die holder (70) also comprises a fixed die holder (74) with an upward opening and a groove length direction parallel to the copper wire advancing direction; the placing groove (71) transversely penetrates through one groove wall of the fixed die holder (74) so as to form a feeding end of the placing groove (71) at the groove wall; the groove cavity of the fixed die holder (74) forms a fixed cavity for fixing the die in the current process, the groove cavity of the placing groove (71) forms a placing cavity for sequentially containing the dies in the subsequent processes, and a sealing piece (75) for opening and closing the feeding end is arranged on the bottom surface of a section of groove between the die in the current process and the die in the next process at the feeding end.
3. An automatic die-threading apparatus according to claim 2, characterized in that: in the overlooking direction, the groove cavity of the second die holder (70) is in a three-section necking groove shape with the groove width at two ends smaller than that of the middle section, so that the groove shoulder formed by matching the middle section groove cavity of the second die holder (70) with the groove cavities at two ends can limit the axial movement of the die in the current process along the advancing direction of the copper wire.
4. An automatic die-threading apparatus according to claim 3, characterized in that: a supporting block (76) used for supporting a mold in the current process to generate lifting motion is arranged on the bottom surface of the groove of the fixed mold base (74), and the supporting block (76) is driven by a lifting cylinder (77) so as to generate vertical lifting motion in the groove cavity of the fixed mold base (74); when the supporting block (76) is at the highest position, the upper plate surface of the supporting block (76) is higher than the groove bottom surface of the placing groove (71), and when the supporting block (76) is at the lowest position, the upper plate surface of the supporting block is equal to or lower than the groove bottom surface of the placing groove (71); the shape of the closing sheet (75) is a square thin plate, one end of the closing sheet (75) is hinged on the supporting block (76), and the axis of a hinged shaft of the closing sheet (75) is parallel to the advancing direction of the copper wire.
5. An automatic die-threading device according to claim 4, characterized in that: and a groove end of the fixed die holder (74) facing the rotary platform (110) is provided with a V-shaped guide groove (79) for guiding the advancing direction of the copper wire so that the copper wire can be smoothly guided into the die hole of the current process in the second die holder (70).
6. An automatic die-threading apparatus according to claim 3, 4 or 5, characterized in that: an accommodating groove (11) with an upward opening is formed in the first die holder (10), and the groove length direction of the accommodating groove (11) is parallel to the copper wire advancing direction; the groove cavity of the first die holder (10) is also in a three-section type necking groove shape with the groove width at two ends smaller than that of the middle section, so that the groove shoulder formed by matching the middle section groove cavity of the first die holder (10) with the groove cavities at two ends can limit the axial movement of the die in the first die holder (10) along the advancing direction of the copper wire.
7. An automatic die-threading apparatus according to claim 2, 3, 4 or 5, characterized in that: one end of the compression spring (73) used for abutting against the die is also provided with an abutting plate (78).
8. A die-threading method using the automatic die-threading apparatus according to claim 2, 3, 4 or 5, characterized by comprising the steps of:
1) the copper wire passes through a clamping conveying roller (30), the clamping conveying roller (30) clamps the copper wire, and the wire feeding is started;
2) when the copper wire moves forwards until meeting the first induction baffle (60), the second clamp (40) is in an open state, the first clamp (20) and the third clamp (50) act simultaneously to clamp the copper wire, and the clamping conveying roller (30) is opened; then, the rotating platform (110) starts to act so that the second clamp (40), the third clamp (50) and the first induction baffle (60) simultaneously move forwards along the copper wire advancing direction; with the forward movement of the third clamp (50), the copper wire positioned between the third clamp (50) and the first clamp (20) is pulled apart, so that a sharp head is formed at the breaking point of the copper wire;
3) the first clamp (20) and the third clamp (50) are opened, and the second clamp (40) acts and clamps the copper wire;
4) the rotating platform (110) continues to act so as to drive the second clamp (40) to move forward until the third clamp (50) and the first sensing blocking piece (60) are all displaced to the lower conveyor belt surface of the rotating platform (110), and at the moment, the copper wire with a sharp head clamped at the second clamp (40) is guided into a die hole of a die in the current working procedure at the second die holder (70) and passes through the die hole;
5) when the copper wire meets the second induction baffle plate (100), the fourth clamp (90) clamps the copper wire, moves for a distance along the advancing direction of the copper wire together with the second induction baffle plate (100) under the action of the aerial guide rail (120), and then stops moving, so that the copper wire is pulled out of the die hole of the die in the current process for the designated distance; a first driving cylinder (82) at the conveying clamp (80) acts to enable a first clamping head (83) to descend and extend into a second die holder (70) so as to clamp the die in the current process;
6) when the conveying clamp (80) clamps the molds in the current working procedure and retracts and resets by virtue of the first driving cylinder (82), meanwhile, the next group of molds in the second mold base (70) slide into the fixed mold base (74) along the arrangement groove (71), and the fourth clamp (90) keeps a clamping state and retracts and resets by virtue of the second driving cylinder (92) synchronously; then, the conveying clamp (80) and the fourth clamp (90) drive the die and the copper wire to move in the reverse direction of the advancing direction of the copper wire under the action of the air guide rail (120) until the conveying clamp (80) moves to the position above the first die holder (10); then, the rotary platform (110) is reset, the first clamping head (83) of the conveying clamp (80) descends and sends the die in the current process into the first die holder (10), and meanwhile, the fourth clamp (90) descends, so that the end part of the copper wire is placed at the clamping port of the second clamp (40) or the third clamp (50) at the rotary platform (110);
7) the conveying clamp (80) and the fourth clamp (90) reset, and the second induction baffle (100) resets;
8) and continuously and sequentially repeating the steps until all the dies in the second die holder (70) are used, and finishing all die penetrating operations.
9. The die-threading method of an automatic die-threading apparatus according to claim 8, characterized in that: in the step 2), the third clamp (50) breaks the copper wire so that the rotating platform (110) needs to be reset again after the copper wire breaking point is formed; at the moment, when the reset first induction baffle (60) induces that a tip formed by a breakpoint of the copper wire reaches an induction surface of the first induction baffle, the second clamp (40) normally clamps the copper wire and sends the wire forward, and the tip of the copper wire just passes through a die hole of a die in the second die holder (70) and exposes a wire end long enough for the fourth clamp (90) to clamp; when the first induction baffle (60) does not induce that the tip of the copper wire reaches the induction surface of the copper wire, the copper wire needs to be clamped again by the clamping conveying roller (30) and conveyed forwards until the tip of the copper wire moves forwards and touches the induction surface of the first induction baffle (60), and then wire feeding of the second clamp (40) and threading operation of a die hole in the second die holder (70) are carried out.
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| CN201910666203.7A CN110508633B (en) | 2019-07-23 | 2019-07-23 | Automatic die penetrating equipment and die penetrating method applying same |
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| CN201910666203.7A CN110508633B (en) | 2019-07-23 | 2019-07-23 | Automatic die penetrating equipment and die penetrating method applying same |
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| CN110508633B true CN110508633B (en) | 2020-09-18 |
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| CN111760919B (en) * | 2020-07-08 | 2022-05-20 | 青海鑫邦线缆有限公司 | Cable drawing structure and cable drawing method |
| CN113333489B (en) * | 2021-06-17 | 2022-05-24 | 广东禾木科技有限公司 | Bonding wire drawing die penetrating device |
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| CN2925664Y (en) * | 2006-04-28 | 2007-07-25 | 江苏金泰隆机电设备制造厂 | Automatic artificial pattern threading mechanism |
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