CN211194710U - Roll-to-roll injection molding detection punching welding production line - Google Patents
Roll-to-roll injection molding detection punching welding production line Download PDFInfo
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- CN211194710U CN211194710U CN201921868288.9U CN201921868288U CN211194710U CN 211194710 U CN211194710 U CN 211194710U CN 201921868288 U CN201921868288 U CN 201921868288U CN 211194710 U CN211194710 U CN 211194710U
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Abstract
The utility model discloses a roll up to roll up and mould plastics and detect die-cut welding production line, include: the discharging device is used for unfolding the material belt and sending the material belt to an injection molding machine; the injection molding machine and the mold are used for injection molding the material belt; the detection system is used for detecting the material belts and products before and after injection molding and before and after punching and welding, finding or avoiding defective products in time and protecting the die; the welding system is used for punching and welding the material belt; the material receiving device counts and winds the injection products on the finished material belt; the material belt driving system drives the material belt to move between the discharging device and the receiving device. The punching welding device of the welding system can punch unqualified injection products on the material belt, can cut off the material belt containing unqualified products, automatically weld the front and back material belts, and ensure that each roll of finished material belt produced has qualified products with specified quantity.
Description
Technical Field
The utility model particularly relates to an injection moulding line.
Background
The injection molding of the terminal is a common processing method, and generally, the terminal to be injection molded is sent to an injection mold by a material pulling machine and then injection molding is performed. In the processing process, the terminal to be injection-molded and the injection-molded part need to be detected, on one hand, the terminal to be injection-molded is prevented from damaging an injection mold, and on the other hand, the unqualified product after injection molding is prevented from flowing into the next procedure. However, most of the existing detection is carried out in a manual inspection mode, the labor intensity of workers is high, the working efficiency is low, and the reliability of detection results is low. In addition, to moulding plastics unqualified injection molding, need utilize the die-cutting instrument to cut off the injection molding from the material area upper punch, guarantee that the injection molding on the material area is qualified product, satisfy customer's user demand.
The automatic production of the parts can be realized by an automatic material pulling device, an automatic detection device and an automatic punching device. However, the injection molding on the material area is die-cut the back, though guaranteed that the injection molding is the certified products, but the injection molding on the material area can leave a vacancy after by die-cut, and the material area after die-cut faces such a problem on the production line of downstream producer like this: the vacancy on the material belt cannot be utilized and can only be emptied, and if too many vacancies appear on the material belt with a certain length, the production line efficiency of downstream manufacturers is reduced. In order to ensure the production line efficiency of downstream manufacturers, the number of vacant sites on the material belt needs to be controlled within a certain range. Because the influence factors on the injection molding qualification rate of the terminals are too much on the actual injection molding production line, the qualification rate is difficult to control in the injection molding stage.
The existing method is that an automatic detection device counts when detecting, an automatic material pulling device records the length of a material belt, and when the number of unqualified injection molding parts appearing on the material belt with a certain length exceeds a set value, the material belt is directly cut off and then welded. Because in the process of moulding plastics, a plurality of terminals are moulded plastics simultaneously to the injection molding machine, when an injection molding is unqualified, generally mean that a batch of injection molding of moulding plastics simultaneously is all unqualified, consequently can be with the die-cut of this batch of injection molding place material area whole when die-cut, can reduce the quantity of vacancy on a section material area like this.
This kind of way need cut off the material area and weld, can't realize on current automated production line, need improve to current production line, realizes carrying out die-cut and welded function to the material area.
Disclosure of Invention
The utility model aims to solve the technical problem that a roll up is moulded plastics and is detected die-cut welding production line is provided, automatic check after moulding plastics the material area terminal, dashes out unqualified material area injection molding to cut off the material area and weld when taking the too much unqualified injection molding in the material, guarantee the quantity of qualified injection molding in unit length material area.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme: the utility model provides a roll to roll is moulded plastics and is detected die-cut welding lines, includes:
the discharging device is used for unfolding the coiled material belt and sending the coiled material belt to a production line;
the injection molding machine is used for performing injection molding on the material belt;
injection molding a mold;
the detection system is used for detecting the material belt before and after injection molding;
the welding system comprises a punching welding device and a simple welding device, the simple welding device is arranged behind the discharging device and is used for welding the material belts of different rolls into continuous material belts, and the punching welding device and the simple welding device share one set of welding machine inverter power supply; the punching and welding device is arranged between the detection system and the material receiving device and used for punching and welding the unqualified material belt,
the material receiving device is used for winding the material belt passing through the injection molding machine, the detection system and the welding system and counting injection molding pieces on the material belt;
the material belt driving system drives the material belt to move between the discharging device and the receiving device;
wherein the punching and welding device comprises a movable sliding table, an injection molding part punching mechanism, a material belt punching mechanism and a welding electrode pressing and adjusting mechanism are arranged on the movable sliding table, the movable sliding table can move to enable the injection molding part punching mechanism, the material belt punching mechanism and one of the welding electrode pressing adjusting mechanisms are aligned to the material belt, the injection molding part punching mechanism can cut off the injection molding part on the material belt, the material belt punching mechanism can cut off the material belt, the material belt driving system comprises a first material belt driving device arranged between a punching welding device and a material receiving device, the first material belt driving device can perform bidirectional action and drive the material belt to move or reversely move from the punching welding device to the material receiving device, the first material belt driving device reversely moves to enable the cut front-section material belt to retreat and be spliced with the cut rear-section material belt at the punching welding device, and the welding electrode pressing adjusting mechanisms perform pressing welding on the spliced material belt;
wherein, detecting system still detects the material area after the welding.
Furthermore, the movable sliding table is arranged below the material belt, the injection molding piece punching mechanism, the material belt punching mechanism and the welding electrode pressing adjusting mechanism are fixed on the movable sliding table through the supporting frame, the material belt penetrates through the injection molding piece punching mechanism, the material belt punching mechanism and the welding electrode pressing adjusting mechanism, the fixed parts of the injection molding piece punching mechanism, the material belt punching mechanism and the welding electrode pressing adjusting mechanism are all arranged on the sliding table and located below the material belt, and the movable parts of the injection molding piece punching mechanism, the material belt punching mechanism and the welding electrode pressing adjusting mechanism are all arranged on the supporting frame and located above the material belt.
Furthermore, the injection molding piece punching mechanism, the material belt punching mechanism and the welding electrode pressing adjusting mechanism are sequentially and linearly arranged on the movable sliding table, and the driving mechanism of the movable sliding table drives the movable sliding table to linearly move so that the injection molding piece punching mechanism, the material belt punching mechanism and the welding electrode pressing adjusting mechanism respectively aim at the material belt.
Furthermore, the injection molding piece punching mechanism, the material belt punching mechanism and the welding electrode pressing adjusting mechanism are circumferentially arranged on the movable sliding table, and the driving mechanism of the movable sliding table drives the movable sliding table to rotate so that the injection molding piece punching mechanism, the material belt punching mechanism and the welding electrode pressing adjusting mechanism respectively aim at the material belt.
Furthermore, the driving mechanism of the movable sliding table is a stroke controllable driving mechanism or a two-stage fixed stroke driving mechanism.
Furthermore, the injection molding die cutting mechanism and the material belt die cutting mechanism both comprise die cutting dies, and the die cutting dies of the two mechanisms are arranged on the same die cutting machine or different die cutting machines respectively.
Further, the detection system comprises a first detection device, the first detection device comprises a front camera, and the front camera shoots the front of the injection molded material belt for detection;
the first detection device also comprises an oblique camera which is aligned with the material belt in the injection mold of the injection molding machine and shoots the material belt before the injection mold is closed and after the injection mold is released;
the first detection device further comprises a lighting lamp, the lighting lamp and the camera are arranged in a box body, the box body is arranged on a fixed die plate of the injection molding machine, a heat insulation plate is arranged between the box body and the fixed die, a fan and heat dissipation holes are formed in one side of the box body, the heat insulation plate is connected with a sliding rail and a locking mechanism, the box body can move on the sliding rail to be close to or far away from the movable die, the heat insulation plate is provided with a cooling device, and the cooling device can cool the heat insulation plate by inserting cooling.
Furthermore, the detection system comprises a second detection device which comprises a side camera and is used for shooting the side surface of the material belt after injection molding for detection, the second detection device also comprises a positioning mechanism, the material belt passes through the middle of the positioning mechanism, the positioning mechanism comprises a pressure head which can move up and down, the pressure head can press the material belt to vertically position the material belt, the pressure head is provided with a contact type sensor and/or an eccentric detection head, the second detection device also comprises an adaptive detection tool, the adaptive detection tool is provided with a tool matched with the injection molding on the material belt, the adaptive detection tool acts to enable the tool and the injection molding to carry out adaptive test, the detection system also comprises a welding punching detection device, the notch detection device is arranged behind the welding punching device, and detecting the notch of the injection molding part on the material belt or the welding part of the material belt through a probe or a contact sensor.
Furthermore, the detection system also comprises a welding punching detection device, and the notch detection device is arranged behind the welding punching device and detects the notch of the injection molding piece on the material belt or the welding position of the material belt through a probe or a contact sensor.
Further, welding electrode pressfitting adjustment mechanism includes base and crimping head, is equipped with a jacking piece on the base, and the jacking piece is located the material and is taken the incision and be close to one side in anterior segment material area, and the jacking piece rises to make anterior segment material area roll back to back end material area top, and the overhead elasticity moulding-die that is equipped with of crimping makes the elasticity moulding-die press down to take with anterior segment material area and back end material area to close back welding electrode and the contact of material area.
The utility model discloses an useful part lies in:
1) the terminal is moulded plastics the back in the injection molding machine, is shot by detecting system to the material area and is detected, works as detecting unqualified injection molding, and the injection molding die-cut mechanism on the die-cut welding set is die-cut down the unqualified injection molding in the material area promptly, makes to take and forms a vacancy. Meanwhile, the material belt driving system records the length of the material belt, the detection system records the quantity of unqualified injection moldings, when the quantity of the unqualified injection moldings recorded in a set material belt length exceeds a set value, the material belt punching mechanism on the punching welding device cuts off and rejects the material belt sections containing the unqualified injection moldings, the first material belt driving device moves reversely to enable the cut-off front-section material belt to return and be spliced with the cut-off rear-section material belt at the punching welding device, and the welding electrode pressing adjusting mechanism performs pressing welding on the spliced material belt. The number of the unqualified injection molding pieces in the set material belt length can be controlled in a set value by the mode, and the number of the qualified injection molding pieces on the material belt of unit length is ensured.
2) The first detection device is arranged on the injection molding machine, an injection molding piece can be detected immediately after injection molding, the injection molding machine can be immediately paused through the control system after the injection molding piece is detected to be unqualified, detection and maintenance are carried out by maintenance personnel, and the injection molding machine is prevented from producing unqualified injection molding pieces in batches. The light-emitting lamp and the camera are arranged in the box body, so that the service life of the box body can be protected from being influenced by the heat of the injection molding machine.
3) The second detection device is characterized in that the side camera, the contact sensor and/or the eccentric detecting head on the pressure head and the adaptive detection tool are matched with each other for detection, the detection precision is high, and a plurality of characteristics of the injection molding piece can be detected.
4) The mould is convenient to replace and debug, and when the mould is used for loading and unloading, the box provided with the camera is convenient to move; the material belt conveying wheels above and below the die are convenient to move and convenient to restore to a working position.
Drawings
FIG. 1 is a general schematic view of the present invention;
FIG. 2 is a schematic view of the injection molding part of the present invention;
FIG. 3 is a schematic view of a part of the punching and welding device of the present invention;
FIG. 4 shows a first embodiment of the punching and welding device of the present invention;
FIG. 5 shows a second embodiment of the punching and welding device of the present invention;
fig. 6 is a schematic view of a welding electrode pressing adjustment mechanism according to the present invention;
fig. 7 is a schematic view of the notch and splicing of the material belt of the present invention;
fig. 8 is a partial schematic view of fig. 7.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1 to 7, a roll-to-roll injection molding inspection die-cutting welding production line includes: the discharging device 1 is used for unfolding the coiled material belt 8 and sending the coiled material belt to a production line; the injection molding machine 2 is used for injection molding the material belt; an injection mold 3; the detection system is used for photographing and detecting the injection molded material belt 8; the welding system comprises a punching welding device 51 and a simple welding device 52, the punching welding device 51 is arranged between the detection system and the material receiving device 6 and used for punching and welding unqualified detected material belts 8, the simple welding device 52 is arranged behind the discharging device 1 and used for welding the material belts 8 of different rolls into continuous material belts 8, and the punching welding device 51 and the simple welding device 52 share one set of welding machine inverter power supply; the material receiving device 6 is used for winding the material belt 8 and counting injection molding pieces on the material belt 8; the material belt driving system drives the material belt to move between the discharging device 1 and the receiving device 6; wherein, the punching welding device 51 comprises a movable sliding table 511, the movable sliding table 511 is provided with an injection molding part punching mechanism, a material belt punching mechanism and a welding electrode pressing adjusting mechanism, the movable sliding table 511 can move to enable the injection molding part punching mechanism, one of the material strip die-cutting mechanism and the welding electrode pressing adjusting mechanism 515 is aligned to the material strip 8, the injection molding part die-cutting mechanism can cut off the injection molding part on the material strip 8, the material strip die-cutting mechanism can cut off the material strip 8, the material strip driving system comprises a first material strip driving device 71 arranged between the die-cutting welding device 51 and the material receiving device 6, the first material strip driving device 71 can perform bidirectional action, the driving material strip 8 is moved or reversely moved to the material receiving device 6 by the die-cutting welding device 51, the first material strip driving device 71 reversely moves to enable the cut-off front-section material strip 81 to return and be spliced with the cut-off rear-section material strip 82 at the die-cutting welding device 51, and the welding electrode pressing adjusting mechanism 515 performs pressing welding on the spliced material strip 8.
The blowing device 1 releases the 8 raw materials in material area of lapping, and it moulds plastics to injection molding machine 2 through the belt drive system pulling, and the back is moulded plastics to the terminal in injection molding machine 2, is shot by detecting system and is detected the material area 8, when detecting unqualified injection molding, die-cut down the unqualified injection molding on the material area 8 by the injection molding die-cut mechanism on die-cut welding set 51 promptly, makes and forms a vacancy on the material area 8. Meanwhile, the material belt driving system records the length of the material belt 8, the detection system records the quantity of unqualified injection molding parts, when the quantity of the unqualified injection molding parts recorded in a set material belt length exceeds a set value, the material belt punching mechanism on the punching and welding device 51 cuts off and rejects the material belt sections containing the unqualified injection molding parts, the first material belt driving device 72 moves reversely to enable the cut front-section material belt 81 to retreat and be spliced with the cut rear-section material belt 82 at the punching and welding device 51, and the welding electrode pressing and adjusting mechanism 515 is used for pressing and welding the spliced material belt 8. The number of unqualified injection molding pieces in the set length of the material belt 8 can be controlled within a set value by the mode, and the number of qualified injection molding pieces on the material belt 8 in unit length is ensured.
In this embodiment, the movable sliding table 511 is disposed below the material tape 8, the injection molding punching mechanism, the material tape punching mechanism, and the welding electrode pressing adjustment mechanism 515 are fixed on the movable sliding table 511 by the support frame 512, the material tape 8 passes through the injection molding punching mechanism, the material tape punching mechanism, and the welding electrode pressing adjustment mechanism 515, the fixed portions of the injection molding punching mechanism, the material tape punching mechanism, and the welding electrode pressing adjustment mechanism 515 are all disposed on the sliding table and located below the material tape, and the movable portions of the injection molding punching mechanism, the material tape punching mechanism, and the welding electrode pressing adjustment mechanism 515 are all disposed on the support frame and located above the material tape. Specifically, the injection molding die-cut mechanism includes the die-cut movable mould 5131 of injection molding and the die-cut cover half 5132 of injection molding, and the material area die-cut mechanism includes the die-cut movable mould 5141 of material area and the die-cut cover half 5142 of material area, and welding electrode pressfitting adjustment mechanism 515 includes base 5151 and crimping head, and the die-cut cover half 5132 of injection molding, the die-cut cover half 5142 of material area and base 5151 are located on removing the slip table 511. Reference is made to fig. 4 and 5.
In this embodiment, the injection molding piece punching mechanism, the material strip punching mechanism and the welding electrode pressing adjustment mechanism 515 are sequentially and linearly arranged on the moving sliding table 511, and the driving mechanism of the moving sliding table 511 drives the moving sliding table to linearly move, so that the injection molding piece punching mechanism, the material strip punching mechanism and the welding electrode pressing adjustment mechanism 515 are respectively aligned with the material strip 8. Reference is made to fig. 4 and 5.
In another embodiment, the injection molding piece punching mechanism, the material strip punching mechanism and the welding electrode pressing adjustment mechanism 515 are arranged on the moving sliding table 511 in a circumferential manner, and the driving mechanism of the moving sliding table 511 drives the moving sliding table 511 to rotate so that the injection molding piece punching mechanism, the material strip punching mechanism and the welding electrode pressing adjustment mechanism 515 are respectively aligned with the material strips.
In this embodiment, the driving mechanism of the moving slide table 511 is a stroke-controllable driving mechanism or a two-stage fixed stroke driving mechanism. A stroke-controllable driving mechanism, such as a servo motor or a stepping motor, for controlling the specific stroke of the movable sliding table 511; a two-stage fixed stroke drive mechanism, such as a two-stage cylinder or cylinder, may also align the injection molding die-cut mechanism, the strip die-cut mechanism, and the welding electrode crimping adjustment mechanism 515 with the strip 8, respectively.
Preferably, the injection-molded part punching mechanism is aligned with the material web 8 in the initial position on the moving slide 511. In the die-cut welding device 51, it is the most common function to die-cut the injection-molded part, and therefore the injection-molded part die-cutting mechanism is set in the initial position. The secondary position is a material belt punching mechanism, and the secondary position is a welding electrode pressing adjusting mechanism 515, so that when the material belt is punched and welded, the material belt is firstly punched by the material belt punching mechanism, and then the material belt 8 is welded by the welding electrode pressing adjusting mechanism 515, and the arrangement structure can reduce the stroke of the movable sliding table 511. The injection molding die cutting mechanism, the material belt die cutting mechanism and the welding electrode pressing adjusting mechanism 515 are linearly arranged, as shown in fig. 4 and 5, and the circumferential arrangement structure is simply adjusted in comparison.
In this embodiment, the injection molding and web blanking mechanisms each include a blanking die, with the dies of both mechanisms being located on the same die or on different dies, as shown in fig. 4 and 5, respectively. In fig. 4, the injection molding blanking movable die 5131 and the material strip blanking movable die 5141 are provided on the same blanking machine 516, and in fig. 5, the injection molding blanking movable die 5131 and the material strip blanking movable die 5141 are provided on different blanking machines 516. When the two punching dies of the two mechanisms are disposed on the same punching machine 516, the two punching dies will operate simultaneously, but since only one strip 8 is provided, no influence will be generated.
In this embodiment, the detection system includes a first detection device 41, the first detection device 41 includes a front camera 411 for shooting the front side of the injection molded material tape 8 for detection; the first detection device further comprises an oblique camera 412, the oblique camera 412 is aligned with the material belt 8 in the injection mold 3 of the injection molding machine 2, and the material belt 8 before the injection mold 3 is closed and after the injection mold is released is shot; the first detection device 41 further comprises a lighting lamp, the lighting lamp and the camera are both arranged in the box body 413, the box body 413 is arranged on the fixed die plate 33 of the injection molding machine 2, a heat insulation plate 415 is arranged between the box body 413 and the fixed die plate 33, a fan and a heat dissipation hole are arranged on one side of the box body 413, the heat insulation plate 415 is connected with the sliding rail 414 and the locking mechanism, the box body 413 can move on the sliding rail 414 to be close to or far away from the movable die 32, the heat insulation plate 415 is provided with a cooling device, and the cooling device can cool the heat insulation plate 415 by cooling.
The heat insulation plate 415 can isolate the heat around the injection nozzle and the heat emitted by the injection mold 3 from the camera, and the heat dissipation holes and the fan of the box body 413 can prevent the camera from working in a high-temperature environment, so that the service life of the camera is ensured. The cartridge body 413 is movable on the slide rail 414 to approach or separate from the movable mold 32, and the stationary mold 31 can be easily replaced. When the fixed mold 31 is replaced, the horizontal injection molding machine generally adopts hoisting, and the fixed mold 31 is hoisted up and down for replacement. The box body 413 can move on the slide rail 414, the fixed die 31 can be conveniently replaced by retreating the box body 413, and after the fixed die 31 is replaced, the box body is pushed forwards to be close to the movable die 32, so that the photographing detection is more convenient. When injection mold was from top to bottom, can conveniently move away camera box, reset camera box before moulding plastics again, behind the shot material area, establish the colour and shot the great background of thing contrast.
The oblique camera 412 shoots obliquely on the side and aims at the material belt 8 which is just moved in place on the injection mold 3, and meanwhile, the camera also obliquely faces the movable mold 32, so that the relative position relation between the material belt 8 and the movable mold 32, and the states before and after mold closing and mold releasing can be shot, and the injection molding process can be conveniently monitored.
The second material belt driving device 72 is arranged on the movable mold 32, so that sufficient driving force is provided for the material belt 8 after injection molding, and the material belt 8 can be ensured to move normally. The movable mold 32 is further provided with a damping wheel 731 which is arranged below the movable mold 32, the second material belt driving device 72 is arranged above the movable mold 32, and the material belt 8 enters the injection mold 3 from the lower part of the movable mold 32. Due to the action of the damping wheel 731, the material belt 8 cannot be loosened, the damping wheel 731 can adopt a friction damper or a magnet damper, the damping force of the damper can be adjusted, the damper is connected with a gear or a ratchet wheel, the teeth of the gear or the ratchet wheel are in contact with a positioning hole in the edge of the material belt 8, the material belt 8 is driven to overcome the damping force to rotate when moving forwards, and the damping force is adjusted to be as small as possible on the premise of ensuring the tensioning of the material belt 8.
In this embodiment, the detection device includes the second detection device, the second detection device includes side camera 421, shoot the side of the material area 8 after moulding plastics and detect, the second detection device still includes positioning mechanism, material area 8 passes from the positioning mechanism is middle, positioning mechanism includes pressure head 422 that can move about from top to bottom, pressure head 422 can push down material area 8 and carry out vertical positioning to material area 8, be equipped with contact sensor and/or eccentric detecting head on the pressure head 422, detect the size of the injection molding on material area 8 when carrying out vertical positioning to material area 8, the second detection device still includes adaptation detection tool 423, adaptation detection tool 423 is equipped with the frock with the injection molding cooperation on material area 8, adaptation detection tool 423 moves and makes frock and injection molding carry out the adaptation test.
Because the size of injection molding side is less, and material area 8 only relies on from the driving wheel to lead when removing, does not have positioner, therefore can't guarantee that material area 8 side is in fixed horizontal position. Therefore, when the side camera 421 takes a picture for detection, the pressing head 422 is required to press the tape 8. At the same time, the pressing head 422 presses the tape 8, which also serves to fix the rear section of tape 82 when the tape 8 is cut. Touch sensors, eccentric probes and adaptive test tool 423 are conventional techniques for testing injection molded parts.
In this embodiment, the welding electrode pressing adjustment mechanism 515 includes a base 5151 and a pressing head, a lifting block 5152 is disposed on the base 5151, the lifting block 5152 is disposed on a side of the material strip notch close to the front material strip 81, the lifting block 5152 is lifted to retract the front material strip 81 to a position above the rear material strip 82, an elastic pressing die 5153 is disposed on the pressing head, and the pressing head is pressed downward to make the elastic pressing die 5153 press the front material strip 81 and the rear material strip 82, so that the welding electrode 5154 contacts the material strip 8. As shown in particular in fig. 6 a-d. The jacking block 5152 falls back to the level of the base 5151 due to the pressing down of the pressure joint.
The reason for adopting this kind of structure is that when the strip die-cutting mechanism punches the material strip, the incision is not a straight line, but a shape convenient for the joint of the front section material strip 81 and the rear section material strip 82, and fig. 7 shows two kinds of incision embodiments and shapes after the splicing. Therefore, the front section material belt 81 needs to be retracted above the rear section material belt 82, and the elastic pressing die 5153 presses the front section material belt 81 and the rear section material belt 82 together, so that the notches are overlapped. The front section material belt 81 and the rear section material belt 82 are clamped to enhance the strength of the welded connection of the material belts.
The jacking block 5152 can be lifted and fallen due to the downward pressing of the pressure joint by matching a driving device such as an air cylinder with a transmission mechanism, or a driven driving mechanism can be adopted, as shown in fig. 4 and 6, one end of the jacking block 5152 close to the front section material belt 81 is hinged with the base 5151, the lower part of the other end is provided with a swing rod 5155, the middle part of the swing rod 5155 is hinged with the base 5151, one end of the swing rod 5151 is arranged below the jacking block 5152, the other end of the swing rod 5142 is arranged at the fixed belt punching die 5142, the end of the swing rod 5155 is pressed downward when the movable belt punching die 5141 is pressed downward, and the swing rod 5155 jacks up the movable end of the jacking block 5152 due to the swinging, so that the movable end of the jacking block 5152 swings upward and tilts. And, the position of the hinged end of the jacking block 5152 is lower, so that the front section material belt 81 can be conveniently lifted to a certain height when retreating. The swing link 5155 may be provided with a gear fixing mechanism, such as a spring ball mechanism, or adjust the rotational damping of the swing link 5155, so that the swing link 5155 can keep the current posture after swinging, and the jacking block 5152 and the swing link 5155 are pressed down together until the crimping head is pressed down.
The first tape driving device 71 and the second tape driving device 72 drive the tape 8 to move by matching with the holes on the edge of the tape 8, and the specific driving mechanism may be a fixed-stroke driving mechanism such as an air cylinder or a controllable-stroke driving mechanism such as a servo motor, and the executing mechanism may be a gear or a ratchet.
The detection system further comprises a welding punching detection device 43, the welding punching detection device 43 is arranged behind the welding punching device 51, the notch or the welding position of the material belt of the injection molding part on the material belt 8 is detected through a probe or a contact sensor, the detection system can be used for detecting the punching die on the welding punching device 51, and the punching die can be conveniently and timely replaced when the notch or the welding position of the material belt is abnormal.
A material belt punching and welding process comprises the following steps:
firstly, a section of the strip 8 is cut off and removed by using a strip punching mechanism, the cut shapes of the front section strip 81 and the rear section strip 82 after cutting are mutually clamped, and a plurality of overlap points 83 are distributed on the cut;
secondly, the cut front end material belt 81 is retracted to the upper part of the rear section material belt 82 by using a material belt driving mechanism, the cut is aligned, and the front section material belt 81 and the rear section material belt 82 are overlapped at an overlap joint 83;
thirdly, the welding mechanism presses the front section material belt 81 and the rear section material belt 82 and spot welds the front section material belt 81 and the rear section material belt 82 at the lap joint point 83, and the front section material belt 81 and the rear section material belt 82 are connected in a welding mode.
Fig. 7 shows two embodiments of the strip of material cut-out, and fig. 8 shows a partial schematic view of the cut-out, with the dispersed overlap points 83 visible on the cut-out. The front section material belt 81 and the rear section material belt 82 are welded and connected at the scattered overlapping points 83, the deformation of the material belt 8 during welding is small, the thickness of the material belt 8 at the welding position is convenient to control, and the welded material belt 8 can move on a production line and be coiled in a material receiving device, and can also be directly applied to a production line of a downstream manufacturer.
In the case of the lap joint 83, when the tape 8 is cut, the cross section of the lap joint 83 may be simultaneously bent or flattened, and as shown in fig. 6 (b), the lower right corner of the lap joint 83 cut by the front tape 81 is flattened into a chamfered shape, for example: the chamfer angle is 0.5 of the thickness of the material belt, and the angle is about 45 degrees; the upper left corner of the lap joint point 83 of the notch of the rear section material belt 82 is also flattened into a chamfered shape, for example: the chamfering height is 0.5, the strip thickness is about 45 degrees, the lapping length of the lapping point 83 of the front end strip 81 and the rear end strip 82 is 0.5, before welding, the strip thickness is 0.5, the strip thickness is pressed, lapped and positioned, and when welding, the remaining strip thickness of 0.5 is only needed to be fused and welded. The height of the chamfer is different according to the thickness of the material belt 8, and is subject to the condition that the material belt 8 does not break after being welded. Because the chamfering position is in the die cutting edge, a chamfer can be directly designed on the die cutting edge, and the punching and chamfering can be finished in one step. The process of punching and chamfering the tape can be found in utility model patent No. 201620272363.5 entitled "electronic component assembling machine for lead frame".
As shown in fig. 8, the lap joint 83 is arranged in a lattice, which is beneficial to the deformation caused by scattered heating during welding, and the more uniform the lattice is arranged, the more uniform the scattered heating is, and the smaller the welding deformation is; the hot working process of welding can reach the precision of cold working. In the welding process, an inverter is adopted to control the heating and cooling temperature curve of the welding process so as to obtain the required metal crystalline phase structure, such as: for the strip of ferroalloy, a cooling curve is set by referring to a crystalline phase structure state diagram, so that the brittleness of a lap joint point can be overcome, the strip is not easy to break, when the process parameters monitored by the inverter exceed a set tolerance range, the strip can be timely alarmed and stopped, and after the strip is processed by an operator, the strip can be restored to an automatic working state. To ensure the quality of the weld.
It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form, and any simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a roll to roll up and mould plastics and detect die-cut welding production line which characterized in that includes: the discharging device is used for unfolding the coiled material belt and sending the coiled material belt to a production line; the injection molding machine is used for performing injection molding on the material belt; injection molding a mold; the detection system is used for detecting the material belt before and after injection molding; the welding system comprises a punching welding device and a simple welding device, the simple welding device is arranged behind the discharging device and is used for welding the material belts of different rolls into continuous material belts, and the punching welding device and the simple welding device share one set of welding machine inverter power supply; the punching and welding device is arranged between the detection system and the material receiving device and used for punching and welding the unqualified material belt, and the material receiving device is used for rolling the material belt passing through the injection molding machine, the detection system and the welding system and counting injection molding pieces on the material belt; the material belt driving system drives the material belt to move between the discharging device and the receiving device; wherein the punching and welding device comprises a movable sliding table, an injection molding part punching mechanism, a material belt punching mechanism and a welding electrode pressing and adjusting mechanism are arranged on the movable sliding table, the movable sliding table can move to enable the injection molding part punching mechanism, the material belt punching mechanism and one of the welding electrode pressing adjusting mechanisms are aligned to the material belt, the injection molding part punching mechanism can cut off the injection molding part on the material belt, the material belt punching mechanism can cut off the material belt, the material belt driving system comprises a first material belt driving device arranged between a punching welding device and a material receiving device, the first material belt driving device can perform bidirectional action and drive the material belt to move or reversely move from the punching welding device to the material receiving device, the first material belt driving device reversely moves to enable the cut front-section material belt to retreat and be spliced with the cut rear-section material belt at the punching welding device, and the welding electrode pressing adjusting mechanisms perform pressing welding on the spliced material belt; wherein, detecting system still detects the material area after the welding.
2. The roll-to-roll injection molding detection punching welding production line according to claim 1, wherein the movable sliding table is arranged below the material belt, the injection molding punching mechanism, the material belt punching mechanism and the welding electrode pressing adjustment mechanism are fixed on the movable sliding table through the supporting frame, the material belt penetrates through the injection molding punching mechanism, the material belt punching mechanism and the welding electrode pressing adjustment mechanism, the fixed parts of the injection molding punching mechanism, the material belt punching mechanism and the welding electrode pressing adjustment mechanism are arranged on the sliding table and located below the material belt, and the movable parts of the injection molding punching mechanism, the material belt punching mechanism and the welding electrode pressing adjustment mechanism are arranged on the supporting frame and located above the material belt.
3. The roll-to-roll injection molding detection, punching and welding production line according to claim 1, wherein the injection molding piece punching mechanism, the material strip punching mechanism and the welding electrode pressing and adjusting mechanism are sequentially and linearly arranged on the movable sliding table, and the driving mechanism of the movable sliding table drives the movable sliding table to move linearly so that the injection molding piece punching mechanism, the material strip punching mechanism and the welding electrode pressing and adjusting mechanism are respectively aligned with the material strips.
4. The roll-to-roll injection molding detection, punching and welding production line according to claim 1, wherein the injection molding piece punching mechanism, the material strip punching mechanism and the welding electrode pressing and adjusting mechanism are circumferentially arranged on the movable sliding table, and the driving mechanism of the movable sliding table drives the movable sliding table to rotate so that the injection molding piece punching mechanism, the material strip punching mechanism and the welding electrode pressing and adjusting mechanism are respectively aligned with the material strips.
5. The roll-to-roll injection molding detection, die cutting and welding production line according to claim 3 or 4, wherein the driving mechanism of the movable sliding table is a stroke controllable driving mechanism or a two-stage fixed stroke driving mechanism.
6. The roll-to-roll injection molding detection, punching and welding production line according to claim 1, wherein the injection molding piece punching mechanism and the material strip punching mechanism comprise punching dies, and the punching dies of the two mechanisms are arranged on the same punching machine or different punching machines respectively.
7. The roll-to-roll injection molding detection, punching and welding production line according to claim 1, wherein the detection system comprises a first detection device, the first detection device comprises a front camera, and the front camera shoots the front of the injection molded material belt for detection; the first detection device also comprises an oblique camera which is aligned with the material belt in the injection mold of the injection molding machine and shoots the material belt before the injection mold is closed and after the injection mold is released; the first detection device further comprises a lighting lamp, the lighting lamp and the camera are arranged in a box body, the box body is arranged on a fixed die plate of the injection molding machine, a heat insulation plate is arranged between the box body and the fixed die, a fan and heat dissipation holes are formed in one side of the box body, the heat insulation plate is connected with a sliding rail and a locking mechanism, the box body can move on the sliding rail to be close to or far away from the movable die, the heat insulation plate is provided with a cooling device, and the cooling device can cool the heat insulation plate by inserting cooling.
8. The roll-to-roll injection molding detection punching and welding production line according to claim 1, wherein the detection system comprises a second detection device, the second detection device comprises a side camera, the side of the injection molded material strip is shot for detection, the second detection device further comprises a positioning mechanism, the material strip passes through the middle of the positioning mechanism, the positioning mechanism comprises a pressure head capable of moving up and down, the pressure head can press the material strip for vertical positioning of the material strip, the pressure head is provided with a contact sensor and/or an eccentric detecting head, the size of an injection molding piece on the material strip is detected when the material strip is vertically positioned, the second detection device further comprises an adaptation detection tool, the adaptation detection tool is provided with a tool matched with the injection molding piece on the material strip, and the adaptation detection tool acts to enable the tool to perform adaptation test with the injection molding piece.
9. The roll-to-roll injection molding detection, punching and welding production line according to claim 1, wherein the detection system further comprises a welding punching detection device, and the notch detection device is arranged behind the welding punching device and detects the notch of the injection molding piece on the material belt or the welding position of the material belt through a probe or a contact sensor.
10. The roll-to-roll injection molding detection punching welding production line according to claim 1, wherein the welding electrode pressing adjustment mechanism comprises a base and a pressing head, the base is provided with a jacking block, the jacking block is arranged on one side of the material belt notch close to the front section material belt, the jacking block is lifted to enable the front section material belt to retreat to the upper side of the rear section material belt, the pressing head is provided with an elastic pressing die, and the pressing head presses down to enable the elastic pressing die to press the front section material belt and the rear section material belt to enable the welding electrode to be in contact with the material belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921868288.9U CN211194710U (en) | 2019-11-01 | 2019-11-01 | Roll-to-roll injection molding detection punching welding production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921868288.9U CN211194710U (en) | 2019-11-01 | 2019-11-01 | Roll-to-roll injection molding detection punching welding production line |
Publications (1)
| Publication Number | Publication Date |
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| CN211194710U true CN211194710U (en) | 2020-08-07 |
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|---|---|---|---|
| CN201921868288.9U Active CN211194710U (en) | 2019-11-01 | 2019-11-01 | Roll-to-roll injection molding detection punching welding production line |
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| Country | Link |
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| CN (1) | CN211194710U (en) |
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