CN108621408B - Carrier tape forming process - Google Patents

Carrier tape forming process Download PDF

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Publication number
CN108621408B
CN108621408B CN201810309264.3A CN201810309264A CN108621408B CN 108621408 B CN108621408 B CN 108621408B CN 201810309264 A CN201810309264 A CN 201810309264A CN 108621408 B CN108621408 B CN 108621408B
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China
Prior art keywords
box
punching
carrier tape
cavity
base
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CN201810309264.3A
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Chinese (zh)
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CN108621408A (en
Inventor
李文仕
曾坤灿
李海青
胡荣
陆益明
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JIANGYIN WINPACK TECHNOLOGY Co Ltd
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JIANGYIN WINPACK TECHNOLOGY Co Ltd
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Priority to CN201810309264.3A priority Critical patent/CN108621408B/en
Publication of CN108621408A publication Critical patent/CN108621408A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/10—Forming by pressure difference, e.g. vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18—Means for removing cut-out material or waste
    • B26D7/1845—Means for removing cut-out material or waste by non mechanical means
    • B26D7/1863—Means for removing cut-out material or waste by non mechanical means by suction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
    • B26F1/06—Perforating by punching, e.g. with relatively-reciprocating punch and bed with punching tools moving with the work
    • B26F1/08—Perforating by punching, e.g. with relatively-reciprocating punch and bed with punching tools moving with the work wherein the tools are carried by, and in operation move relative to, a rotative drum or similar support
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B29C51/30—Moulds
    • B29C51/34—Moulds for undercut articles
    • B29C51/343—Moulds for undercut articles having recessed undersurfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B29C51/30—Moulds
    • B29C51/36—Moulds specially adapted for vacuum forming, Manufacture thereof

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Manufacturing & Machinery (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

The invention relates to a carrier tape forming process, which comprises the following steps: step 1: and (3) flat plate compression molding: a box cavity is formed in a mode of blowing air after a flat plate die is preheated; step 2: punching: the same set of power system is utilized for punching and belt conveying, and the front surface of the carrier belt cannot be damaged in the belt conveying process; and 3, separating the punched residual materials by using the carrier tape punching residual sheet negative pressure separation system while punching in the step 2, thereby facilitating the recycling of the residual materials. The carrier tape forming process provided by the invention has the advantages that the carrier tape is formed in a flat plate die pressing mode, the transmission acting force is provided on the back of the carrier tape box cavity to avoid damage to the front operation surface of the carrier tape, and in the punching operation, the sheet materials and the powder materials in the punching residue can be effectively separated, so that the energy-saving and environment-friendly effects can be achieved through recycling.

Description

Carrier tape forming process
Technical Field
The invention relates to a carrier tape forming process, in particular to a manufacturing process which is high in precision and can recycle punched residual materials, and belongs to the technical field of carrier tapes.
Background
At present, a carrier tape is the most common and effective packaging container with tape for containing electronic products, and a box cavity and a positioning hole for placing the electronic products are arranged on the carrier tape; in the technical field of carrier tape manufacturing, in order to improve the production efficiency of carrier tapes, a continuous carrier tape forming machine is generally adopted for production; the box cavity forming device serving as a core mechanism of the continuous carrier tape forming machine is a roller, and a carrier tape forming process is completed by the rotation of the roller, so that the continuous carrier tape forming machine has the advantages that continuous production can be performed, but the defect that when a carrier tape with a shallow or deep box cavity is produced, the demoulding of the formed box cavity of the carrier tape is difficult (the box cavity is easy to rub against a mold), and the yield is low; meanwhile, punching operation is required after the carrier tape is punched, and two steps of belt conveying and punching are required when carrier tape punching equipment punches; the tape feeding mechanism is mostly as described in "a carrier tape punching mechanism" disclosed in chinese patent 201720921801.0: the entrainment cam is used for driving the entrainment rotating rod to rotate, so that the other end of the entrainment rotating rod clamps the carrier band through the entrainment convex point of the entrainment plate; it is seen that it needs to be in contact with the front surface of the carrier tape and exert a certain pressure to clamp; therefore, the front surface of the carrier tape is inevitably indented or damaged to some extent, so that the quality of the carrier tape is affected; or if the carrier tape forming and punching accurate positioning method disclosed in 201610380401.3 is adopted, a cylindrical hole is additionally formed at the edge of the carrier tape while the box body is formed for driving, so that an additional process is required, the production efficiency is reduced, the carrier tape broadband is widened, the cost is increased, and the market competitiveness of the product is not improved; therefore, a transmission system or a transmission method which does not damage the front loading use surface of the carrier tape in the transmission process on the basis of not changing the shape of the carrier tape body is needed; finally, the punched scraps need to be collected for recycling; as disclosed in chinese patent 201210403894.X, "punching apparatus for carrier tape forming", it is described that "a waste collecting tank is provided on a base, the waste collecting tank is located right below a punching device, and waste dropped after punching by a carrier tape of the punching device is collected into the waste collecting tank by a waste guiding groove", which is only a collecting device; in practical use, it is found that the residue material has not only flakes but also small-particle powder, and when the small-particle powder is recycled, the small-particle powder needs to be separated so as to recycle the flakes, so that the conventional way of collecting the powder and the flakes simultaneously is not beneficial to recycling, and therefore, a system or a method which has high forming precision, causes no damage to a carrier tape by a transmission and can separate the powder and the flakes during collection is urgently needed.
Disclosure of Invention
The invention aims to overcome the defects and provide a carrier tape forming process, which utilizes a flat plate mould pressing mode to form a carrier tape, provides a transmission acting force on the back of a carrier tape box cavity to avoid the damage to the front working face of the carrier tape, and can effectively separate sheet materials and powder materials in punching scraps during punching operation so as to recycle and achieve the effects of energy conservation and environmental protection.
The purpose of the invention is realized as follows:
a carrier tape forming process comprises the following steps:
step 1: and (3) flat plate compression molding: the step is based on a flat plate mould pressing type carrier tape forming device which comprises two flat plate machine preheating moulds which are arranged up and down symmetrically and a flat plate machine air blowing mould which is arranged above a flat plate machine forming mould; the base band is positioned between the mating surfaces of the two flat machine preheating dies, the flat machine preheating dies comprise preheating die bases, the preheating die bases are fixedly arranged on the heating device, raised lines are arranged on the mating surfaces of the preheating die bases, the raised lines are parallel to the base band, a plurality of convex blocks are uniformly arranged on the raised lines along the length direction of the raised lines, the convex blocks are matched with the size of a box cavity of the carrier band, and the base band is positioned between the two convex blocks; the flat machine air blowing die comprises an air blowing die base, an air passage is arranged in the air blowing die base along the length direction of the air blowing die base, a plurality of die cavities are uniformly arranged on the bottom surface of the air blowing die base along the length direction of the air blowing die base, a through hole communicated with the air passage is formed in the bottom of each die cavity, and an air inlet hole communicated with the air passage is formed in the side wall of the air blowing die base; the flat machine forming die comprises a forming die base, the forming die base is fixedly arranged on a heating device, a plurality of cavities are uniformly arranged on the top surface of the forming die base along the length direction of the forming die base, a plurality of air holes are formed in the cavity bottom of each cavity, a plurality of air outlets are formed in the side wall of the forming die base, and the air holes are communicated with the air outlets; the cavity is positioned right below the die cavity, the cavity and the die cavity correspond to each other one by one, and the base band is positioned between the cavity and the die cavity; the air holes are positioned at the periphery of the cavity bottom of the cavity body, so that the air is exhausted more uniformly and thoroughly; preheating the forming position of the box cavity on the base band through a preheating die of the flat machine, transmitting the preheated position to a position between the cavity and the die cavity, distributing high-pressure gas introduced from the gas inlet hole through a gas passage, blowing the high-pressure gas to the base band through the through hole, extending the base band into the cavity under the action of the pressure of the high-pressure gas for forming, and discharging the gas in the cavity through the gas vent and the gas outlet hole, so that resistance is not caused to forming;
step 2: punching: the step is realized based on a carrier band punching nondestructive transmission system, wherein the transmission system comprises a transmission wheel and a pressing wheel which are parallel and closely arranged, the transmission wheel is driven by a power system, an annular groove is formed in the transmission wheel, a plurality of pits are formed in the bottom of the annular groove, and a box cavity of a carrier band is embedded in the pits; the rotating shaft drives the driving wheel to rotate through the gearbox, a cam is sleeved on the rotating shaft, the cam drives the punching mechanism to move up and down through the connecting rod, and the motor drives the rotating shaft to rotate; belt pulleys are sleeved on the motor and the rotating shaft, and a belt is wound between the two belt pulleys; the driving wheel and the pressing wheel are connected to a rack in a penetrating manner, and the motor is arranged on the rack; the middle part of the connecting rod is hinged on the rack, one end of the connecting rod is hinged with the punching mechanism, and the other end of the connecting rod is attached to the wheel surface of the cam; the cam is an eccentric wheel, so that the punching mechanism is driven by the connecting rod to move up and down to perform punching operation; the motor simultaneously drives the driving wheel and the punching mechanism to synchronously move, the back surface of the box cavity of the base band is embedded in the pit of the driving wheel, the rotating driving wheel drives the carrier band to move forwards, and meanwhile, the pressing wheel limits the carrier band to prevent the carrier band from falling out of the pit; the same power mechanism is adopted to simultaneously drive the base band to move and punch;
step 3, separating the punched residues by using a carrier band punched residue negative pressure separation system while punching in the step 2, wherein the carrier band punched residue negative pressure separation system comprises a sealing box which is arranged on the aggregate box through a buckle assembly, a mesh plate is embedded at the bottom of the sealing box, a box cavity of the sealing box is communicated with a box cavity of the aggregate box through the mesh plate, an adsorption pad covers the mesh plate, a filter cartridge is arranged in the sealing box and is communicated with an air suction connector inserted in the sealing box, the top of a vertically arranged blanking pipe is communicated to the lower part of the punching mechanism through a corrugated pipe, and the bottom of the vertically arranged blanking pipe penetrates through the sealing box and is communicated into the aggregate box; the buckle assembly comprises a clamping hook fixedly arranged on the outer box wall of the sealing box, the head of the wrench is hinged on the outer wall of the material collecting box, the U-shaped hanging piece is hung on the clamping hook, two sides of the U-shaped hanging piece are connected with the top of the connecting piece through the elastic piece, and the bottom of the connecting piece is hinged on the wrench; the sealing box and the material collecting box are tightly contacted to form a negative pressure chamber through the elasticity of the elastic piece; a sealing ring is arranged on the top surface of the material collecting box, which is in contact with the sealing box, and is used for enhancing the sealing effect; a pressure sensor is connected on the wall of the sealing box in a penetrating manner, the sealing box is installed on a rack, the material collecting box is installed on a bottom plate of the rack, two parallel limiting strips are arranged on the bottom plate, the width of each limiting strip is equal to that of the material collecting box, and the heads of the limiting strips are provided with oblique guide sections in an orientation manner; forming a negative pressure environment in the sealing box by air suction of a fan, enabling punched fragments to fall into the material collecting box through the blanking pipe, enabling the flaky fragments to fall to the bottom of the material collecting box under the action of gravity in the falling process, enabling powder mixed with the flaky fragments to be gathered and adsorbed to the adsorption pad under the negative pressure adsorption of the sealing box, enabling gas with a small amount of powder to pass through the mesh plate and enter the sealing box, and enabling the gas to be filtered again through the filter cylinder, so that the residual small amount of powder is adsorbed on the filter cylinder; therefore, the sheet material and the powder material are completely separated, the aggregate box is periodically drawn out to remove the sheet material, and the adsorption pad and the filter cylinder are replaced; before the material collecting box is drawn out, the locking state of the buckle assembly needs to be released, after the wrench is pulled upwards and overturned by more than 90 degrees, the elastic piece is in a non-stressed state, and the U-shaped hanging piece is taken down from the clamping hook; after the adsorption pad or the filter cylinder is replaced or the sheet materials in the material collecting box are collected, the material collecting box is inserted to the position between the two limiting strips under the guidance of the oblique guiding section of the limiting strip, and then the clamping component is locked to realize sealing;
the invention relates to a carrier tape forming process.A plurality of temperature sensors are connected on a preheating die base and a forming die base in a penetrating way and used for monitoring the real-time temperature of the preheating die base and the forming die base; and a plug is plugged in the fabrication hole at the end part of the air passage.
According to the carrier tape forming process, the box walls of the sealing box and the material collecting box are provided with the observation windows.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, a flat plate mould pressing mode is adopted to replace a continuous roller pressing mode, so that the carrier tape with a shallow or deep box cavity is produced, and the demoulding direction is vertical to the box cavity, so that demoulding is convenient, and a mould does not rub the box cavity in the demoulding process, so that the yield in the production process is high; meanwhile, in the conveying process, only the back surface of the box cavity is contacted, the pressing wheel only plays a limiting role and is only used for preventing the carrier tape from being separated from the driving wheel, and pressure is not required to be applied, so that the front surface of the carrier tape cannot be indented or damaged; meanwhile, the design of the annular groove on the driving wheel also plays a role in limiting the carrier tape left and right, so that the reliability of transmission is ensured; in addition, the punching mechanism and the driving wheel are driven by the same rotating shaft at the same time, so that the speeds of the punching mechanism and the driving wheel are more matched, the structure is more compact, the size is smaller, and the punching effect is better due to synchronous operation; finally, the invention realizes the separation of the sheet material and the powder material in a vacuum adsorption mode, the sheet material falls under the action of gravity, and the powder material is filtered and adsorbed by the adsorption pad and the filter cylinder; thereby facilitating the recycling of the flaky scraps and having more environmental protection benefits.
Drawings
Fig. 1 is a schematic structural view of a flat plate molding type carrier tape forming apparatus according to the present invention.
Fig. 2 is a schematic structural view of a preheating die of a flat machine of a flat-die-press type carrier tape forming apparatus according to the present invention.
Fig. 3 is a bottom view (a bottom view of the flat-plate-machine preheating mold positioned above) or a top view (a top view of the flat-plate-machine preheating mold positioned below) of a flat-plate-die-molded carrier tape forming apparatus according to the present invention.
Fig. 4 is a side view of a flat-plate-press preheating die of a flat-plate press-type carrier tape forming apparatus of the present invention.
Fig. 5 is a schematic structural view of a flat-plate machine air-blowing mold of a flat-plate press type carrier tape forming apparatus according to the present invention.
Fig. 6 is a side view of a flat-plate machine air-blowing mold of a flat-plate press type carrier tape forming apparatus of the present invention.
Fig. 7 is a bottom view of a flat-plate machine air-blowing mold of a flat-plate press type carrier tape forming apparatus of the present invention.
Fig. 8 is a schematic structural view of a flat machine forming die of a flat press type carrier tape forming apparatus according to the present invention.
Fig. 9 is a side view of a flat-plate forming die of a flat-plate press type carrier tape forming apparatus of the present invention.
Fig. 10 is a plan view of a flat-plate machine forming die of a flat-plate press type carrier tape forming apparatus of the present invention.
FIG. 11 is a schematic structural diagram of a carrier tape punching nondestructive transmission system in the present invention.
FIG. 12 is a schematic diagram of another perspective of a carrier tape punch-through non-destructive drive system according to the present invention.
FIG. 13 is a schematic structural diagram of the transmission wheel, the pressing wheel and the carrier tape of the carrier tape punching nondestructive transmission system.
FIG. 14 is a schematic structural diagram of a negative pressure separation system for carrier tape punching debris in the present invention.
Fig. 15 is an enlarged view of a portion of fig. 14 a of a carrier tape punch residue vacuum separation system of the present invention.
FIG. 16 is a schematic diagram showing the matching state of an aggregate box and a limiting strip of the negative pressure separation system for punched scraps by carrier tape.
Wherein:
a baseband 101;
the device comprises a flat machine preheating die 1, a flat machine blowing die 2, a flat machine forming die 3, a carrier band punching nondestructive transmission system 4 and a carrier band punching residual piece negative pressure separation system 5;
a preheating die base 1.1, convex strips 1.2 and convex blocks 1.3;
the air blowing die comprises an air blowing die base 2.1, an air flue 2.2, an air inlet 2.3, a die cavity 2.4, a through hole 2.5 and a fabrication hole 2.6;
a forming die base 3.1, a cavity 3.2, air holes 3.3 and air outlet holes 3.4;
a transmission wheel 4.1, a pinch roller 4.2, a gear box 4.3, a rotating shaft 4.4, a cam 4.5, a connecting rod 4.6, a punching mechanism 4.7, a motor 4.8, a belt pulley 4.9 and a belt 4.10;
an annular groove 4.1.1 and a pit 4.1.2;
the device comprises a sealing box 5.1, an aggregate box 5.2, a blanking pipe 5.3, a mesh plate 5.4, an adsorption pad 5.5, a filter cylinder 5.6, an air extraction joint 5.7, a buckle component 5.8, a pressure sensor 5.9 and a limit strip 5.10;
a seal ring 5.2.1;
a hook 5.8.1, a wrench 5.8.2, a U-shaped hanging piece 5.8.3, an elastic piece 5.8.4 and a connecting piece 5.8.5.
Detailed Description
Referring to fig. 1 to 16, the carrier tape forming process according to the present invention includes the steps of:
step 1: and (3) flat plate compression molding: the step is based on a flat plate mould pressing type carrier tape forming device, and the device comprises two flat plate machine preheating moulds 1 which are arranged up and down symmetrically and a flat plate machine air blowing mould 2 which is arranged above a flat plate machine forming mould 3; the base band 101 is located between the mating surfaces of the two flat machine preheating dies 1, the flat machine preheating dies 1 comprise preheating die bases 1.1, the preheating die bases 1.1 are fixedly mounted on a heating device, raised lines 1.2 are arranged on the mating surfaces of the preheating die bases 1.1, the raised lines 1.2 are parallel to the base band 101, a plurality of convex blocks 1.3 are uniformly arranged on the raised lines 1.2 along the length direction of the raised lines, the convex blocks 1.3 are matched with the box cavity of the carrier band in size, and the base band 101 is located between the arrangement of the two convex blocks 1.3; the flat machine air blowing die 2 comprises an air blowing die base 2.1, an air passage 2.2 is arranged in the air blowing die base 2.1 along the length direction of the air passage, a plurality of die cavities 2.4 are uniformly arranged on the bottom surface of the air blowing die base 2.1 along the length direction of the air passage, a through hole 2.5 communicated with the air passage 2.2 is arranged at the bottom of each die cavity 2.4, and an air inlet 2.3 communicated with the air passage 2.2 is arranged on the side wall of the air blowing die base 2.1; the flat plate machine forming die comprises a forming die base 3.1, the forming die base 3.1 is fixedly arranged on a heating device, a plurality of cavities 3.2 are uniformly arranged on the top surface of the forming die base 3.1 along the length direction of the forming die base, a plurality of air vents 3.3 are arranged at the cavity bottom of each cavity 3.2, a plurality of air outlets 3.4 are arranged on the side wall of the forming die base 3.1, and the air vents 3.3 are communicated with the air outlets 3.4; the cavity 3.2 is positioned right below the cavity 2.4, the cavities 3.2 correspond to the cavities 2.4 one by one, and the base band 101 is positioned between the cavity 3.2 and the cavity 2.4; a plurality of temperature sensors are connected to the preheating die base 1.1 and the forming die base 3.1 in a penetrating manner and used for monitoring the real-time temperature of the preheating die base and the forming die base; a plug is plugged in a fabrication hole 2.6 at the end part of the air passage 2.2, and the fabrication hole is convenient for processing the air passage 2.2; the air holes 3.3 are positioned at the periphery of the bottom of the cavity 3.2, so that the air exhaust is more uniform and thorough; preheating the box cavity forming position on the base band 101 through the plate machine preheating die 1, then transmitting the preheated position to a position between the cavity 3.2 and the die cavity 2.4, blowing high-pressure gas introduced from the gas inlet 2.3 to the base band 101 through the through hole 2.5 after being distributed through the gas passage 2.2, extending and forming the base band 101 into the cavity 3.2 under the pressure action of the high-pressure gas, and discharging the gas in the cavity 3.2 through the gas vent 3.3 and the gas outlet 3.4, so that resistance can not be caused to forming;
step 2: punching: the step is realized based on a carrier band punching nondestructive transmission system 4, the transmission system comprises a transmission wheel 4.1 and a pressing wheel 4.2 which are parallel and closely arranged, the transmission wheel 4.1 is driven by a power system, an annular groove 4.1.1 is arranged on the transmission wheel 4.1, a plurality of pits 4.1.2 are arranged at the bottom of the annular groove 4.1.1, and a box cavity of a carrier band 101 is embedded in the pits 4.1.2; a rotating shaft 4.4 drives a driving wheel 4.1 to rotate through a gearbox 4.3, a cam 4.5 is sleeved on the rotating shaft 4.4, the cam 4.5 drives a punching mechanism 4.7 to move up and down through a connecting rod 4.6, and a motor 4.8 drives the rotating shaft 4.4 to rotate; belt pulleys 4.9 are sleeved on the motor 4.8 and the rotating shaft, and a belt 4.10 is wound between the two belt pulleys 4.9; the transmission wheel 4.1 and the pinch roller 4.2 are both connected to a frame in a penetrating way, and the motor 4.8 is arranged on the frame; the middle part of the connecting rod 4.6 is hinged on the rack, one end of the connecting rod 4.6 is hinged with the punching mechanism 4.7, and the other end is attached to the wheel surface of the cam 4.5; the cam 4.5 is an eccentric wheel, so that the punching mechanism 4.7 is driven to move up and down through the connecting rod 4.6 to perform punching operation; the motor 4.8 simultaneously drives the transmission wheel 4.1 and the punching mechanism 4.7 to synchronously move, the back of the box cavity of the base band 101 is embedded in a pit 4.1.2 of the transmission wheel 4.1, the rotating transmission wheel 4.1 drives the carrier band 101 to move forward, and meanwhile, the pinch roller 4.2 limits the carrier band to prevent the carrier band from falling out of the pit 4.1.2; because the same power mechanism is adopted to simultaneously drive the base band 101 to move and punch, the device has small volume, more synchronous speed matching and better punching effect;
step 3, while punching is carried out in the step 2, a carrier band punching residual sheet negative pressure separation system 5 is utilized to separate punching residual materials, the carrier band punching residual sheet negative pressure separation system 5 comprises a sealing box 5.1 which is installed on a material collecting box 5.2 through a buckle component 5.8, a mesh plate 5.4 is embedded at the bottom of the sealing box 5.1, a box cavity of the sealing box 5.1 is communicated with a box cavity of the material collecting box 5.2 through the mesh plate 5.4, an adsorption pad 5.5 covers the mesh plate 5.4, a filter cylinder 5.6 is arranged in the sealing box 5.1, the filter cylinder 5.6 is communicated with an air suction connector 5.7 inserted in the sealing box 5.1, the top of a vertically arranged blanking pipe 5.3 is communicated to the lower part of a punching mechanism 4.7 through a corrugated pipe, and the bottom of the vertically arranged blanking pipe penetrates through the sealing box 5.1 and is communicated to the material collecting box 5.2; the buckle component 5.8 comprises a hook 5.8.1 fixedly arranged on the outer box wall of the sealing box 5.1, the head of the wrench 5.8.2 is hinged on the outer wall of the material collecting box 5.2, the U-shaped hanging piece 5.8.3 is hung on the hook 5.8.1, two sides of the U-shaped hanging piece 5.8.3 are connected with the top of the connecting piece 5.8.5 through the elastic piece 5.8.4, and the bottom of the connecting piece 5.8.5 is hinged on the wrench 5.8.2; as shown in fig. 14, in the locked state, the sealing box 5.1 and the collecting box 5.2 are in close contact to form a negative pressure chamber by the elastic force of the elastic piece 5.8.4; a sealing ring 5.2.1 is arranged on the top surface of the material collecting box 5.2, which is in contact with the sealing box 5.1, and is used for enhancing the sealing effect; a pressure sensor 5.9 is connected on the wall of the sealing box 5.1 in a penetrating way, so that the monitoring of the air pressure in the sealing box 5.1 is realized; observation windows are arranged on the box walls of the sealing box 5.1 and the material collecting box 5.2; the observation window on the sealing box 5.1 is used for observing whether the filter cartridge 5.6 in the sealing box 5.1 needs to be replaced; the observation window on the material collecting box 5.2 is used for observing whether the flaky residual materials in the material collecting box 5.2 are fully collected; the sealing box 5.1 is arranged on the frame, the material collecting box 5.2 is arranged on a bottom plate of the frame, two parallel limiting strips 5.10 are arranged on the bottom plate, the width of each limiting strip is equal to that of the material collecting box 5.2, and the heads of the limiting strips 5.10 are provided with oblique guide sections in the direction of the heads; a negative pressure environment is formed in a sealing box 5.1 through air suction of a fan, punched scraps fall into an aggregate box 5.2 through a blanking pipe 5.3, flaky scraps fall to the bottom of the aggregate box 5.2 under the action of gravity in the falling process, powder mixed with the flaky scraps is adsorbed by the negative pressure of the sealing box 5.1, and is gathered and adsorbed to an adsorption pad 5.5, gas with a small amount of powder passes through a mesh plate 5.4 and then enters the sealing box 5.1, and the gas is filtered again through a filter cylinder 5.6, so that the small amount of residual powder is adsorbed to the filter cylinder 5.6; therefore, the chips and the powder are completely separated, the chip collecting box 5.2 is periodically drawn out to remove the chips, and the adsorption pad 5.5 and the filter cartridge 5.6 are replaced (before the chip collecting box 5.2 is drawn out, the adsorption pad 5.5 and the filter cartridge 5.6 are in a locked state by contacting the buckle assembly 5.8, after the spanner 5.8.2 is pulled upwards and overturned for more than 90 degrees, the elastic piece 5.8.4 is in an unstressed state, and at the moment, the U-shaped hanging piece 5.8.3 can be easily taken down from the clamping hook 5.8.1); after the replacement of the adsorption pad 5.5 or the filter cylinder 5.6 is finished or the sheet materials in the material collecting box 5.2 are collected, the material collecting box 5.2 is inserted to the position between the two limiting strips 5.10 under the guidance of the oblique guiding section of the limiting strip 5.10, and then the locking is realized through the buckle component 5.8 to realize the sealing;
in addition: it should be noted that the above-mentioned embodiment is only a preferred embodiment of the present patent, and any modification or improvement made by those skilled in the art based on the above-mentioned conception is within the protection scope of the present patent.

Claims (3)

1. A carrier tape forming process is characterized in that: the process comprises the following steps:
step 1: and (3) flat plate compression molding: the step is based on a flat plate mould pressing type carrier tape forming device, which comprises two flat plate machine preheating moulds (1) which are arranged up and down symmetrically, and a flat plate machine air blowing mould (2) which is arranged above a flat plate machine forming mould (3); the base band (101) is positioned between the mating surfaces of the two flat machine preheating dies (1), each flat machine preheating die (1) comprises a preheating die base (1.1), each preheating die base (1.1) is fixedly installed on a heating device, convex strips (1.2) are arranged on the mating surfaces of the preheating die bases (1.1), the convex strips (1.2) are parallel to the base band (101), a plurality of convex blocks (1.3) are uniformly arranged on the convex strips (1.2) along the length direction of the convex strips, the sizes of box cavities of the convex blocks (1.3) are matched with those of the carrier bands, and the base band (101) is positioned between the arrangement of the two convex blocks (1.3); the flat plate machine air blowing mold (2) comprises an air blowing mold base (2.1), an air passage (2.2) is arranged in the air blowing mold base (2.1) along the length direction of the air blowing mold base, a plurality of mold cavities (2.4) are uniformly arranged on the bottom surface of the air blowing mold base (2.1) along the length direction of the air blowing mold base, a through hole (2.5) communicated with the air passage (2.2) is formed in the bottom of each mold cavity (2.4), and an air inlet hole (2.3) communicated with the air passage (2.2) is formed in the side wall of the air blowing mold base (2.1); the flat plate machine forming die comprises a forming die base (3.1), the forming die base (3.1) is fixedly arranged on a heating device, a plurality of cavities (3.2) are uniformly arranged on the top surface of the forming die base (3.1) along the length direction of the forming die base, a plurality of air vents (3.3) are arranged at the cavity bottom of each cavity (3.2), a plurality of air outlets (3.4) are arranged on the side wall of the forming die base (3.1), and the air vents (3.3) are communicated with the air outlets (3.4); the cavities (3.2) are positioned right below the die cavities (2.4), the cavities (3.2) correspond to the die cavities (2.4) one by one, and the base band (101) is positioned between the cavities (3.2) and the die cavities (2.4); the air holes (3.3) are positioned at the periphery of the bottom of the cavity (3.2), so that the air is exhausted more uniformly and thoroughly; preheating a box cavity forming position on a base belt (101) through a plate machine preheating die (1), then transmitting the preheated position between a cavity (3.2) and a die cavity (2.4), distributing high-pressure gas introduced from a gas inlet hole (2.3) through a gas passage (2.2), blowing the high-pressure gas to the base belt (101) through a through hole (2.5), extending and forming the base belt (101) into the cavity (3.2) under the pressure action of the high-pressure gas, and discharging the gas in the cavity (3.2) through a gas vent (3.3) and a gas outlet hole (3.4), so that resistance is not caused to forming;
step 2: punching: the step is realized on the basis of a carrier band punching nondestructive transmission system (4), wherein the transmission system comprises a transmission wheel (4.1) and a pressing wheel (4.2) which are parallel and arranged closely, the transmission wheel (4.1) is driven by a power system, an annular groove (4.1.1) is arranged on the transmission wheel (4.1), a plurality of pits (4.1.2) are arranged at the bottom of the annular groove (4.1.1), and a box cavity of a carrier band (101) is embedded in the pits (4.1.2); a rotating shaft (4.4) drives a driving wheel (4.1) to rotate through a gearbox (4.3), a cam (4.5) is sleeved on the rotating shaft (4.4), the cam (4.5) drives a punching mechanism (4.7) to move up and down through a connecting rod (4.6), and a motor (4.8) drives the rotating shaft (4.4) to rotate; belt pulleys (4.9) are sleeved on the motor (4.8) and the rotating shaft, and a belt (4.10) is wound between the two belt pulleys (4.9); the transmission wheel (4.1) and the pressing wheel (4.2) are connected to a rack in a penetrating manner, and the motor (4.8) is arranged on the rack; the middle part of the connecting rod (4.6) is hinged on the rack, one end of the connecting rod (4.6) is hinged with the punching mechanism (4.7), and the other end of the connecting rod is attached to the wheel surface of the cam (4.5); the cam (4.5) is an eccentric wheel, so that the punching mechanism (4.7) is driven to move up and down through the connecting rod (4.6) to perform punching operation; a motor (4.8) simultaneously drives a transmission wheel (4.1) and a punching mechanism (4.7) to synchronously move, the back of a box cavity of a base band (101) is embedded in a pit (4.1.2) of the transmission wheel (4.1), the rotating transmission wheel (4.1) drives a carrier band (101) to move forwards, and meanwhile, a pressing wheel (4.2) limits the carrier band to prevent the carrier band from falling out of the pit (4.1.2); the same power mechanism is adopted to simultaneously drive the base belt (101) to move and punch;
step 3, separating the punching scraps by using a carrier tape punching scrap negative pressure separation system (5) while punching in the step 2, the carrier tape punching residual sheet negative pressure separation system (5) comprises a sealing box (5.1) which is arranged on a material collecting box (5.2) through a buckle component (5.8), a mesh plate (5.4) is embedded at the bottom of the sealing box (5.1), the box cavity of the sealing box (5.1) is communicated with the box cavity of the aggregate box (5.2) through the mesh plate (5.4), an adsorption pad (5.5) is covered on the mesh plate (5.4), a filter cylinder (5.6) is arranged in the sealing box (5.1), the filter cylinder (5.6) is communicated with an air suction joint (5.7) inserted on the sealing box (5.1), the top of a vertically arranged blanking pipe (5.3) is communicated to the lower part of the punching mechanism (4.7) through a corrugated pipe, and the bottom of the blanking pipe penetrates through the sealing box (5.1) and is communicated into the material collecting box (5.2); the buckle assembly (5.8) comprises a hook (5.8.1) fixedly arranged on the outer box wall of the sealing box (5.1), the head of the wrench (5.8.2) is hinged on the outer wall of the material collecting box (5.2), the U-shaped hanging piece (5.8.3) is hung on the hook (5.8.1), two sides of the U-shaped hanging piece (5.8.3) are connected with the top of the connecting piece (5.8.5) through the elastic piece (5.8.4), and the bottom of the connecting piece (5.8.5) is hinged on the wrench (5.8.2); the sealing box (5.1) and the collecting box (5.2) are in close contact to form a negative pressure chamber through the elasticity of the elastic piece (5.8.4); a sealing ring (5.2.1) is arranged on the top surface of the top of the material collecting box (5.2) which is in contact with the sealing box (5.1) and used for enhancing the sealing effect; a pressure sensor (5.9) penetrates through the wall of the sealing box (5.1), the sealing box (5.1) is installed on a rack, the material collecting box (5.2) is installed on a bottom plate of the rack, two parallel limiting strips (5.10) are arranged on the bottom plate, the width of each limiting strip is equal to that of the material collecting box (5.2), and the heads of the limiting strips (5.10) face to form inclined guide sections; a negative pressure environment is formed in a sealing box (5.1) through air suction of a fan, punched scraps fall into a material collecting box (5.2) through a blanking pipe (5.3), the flaky scraps fall to the bottom of the material collecting box (5.2) under the action of gravity in the falling process, powder mixed with the flaky scraps is adsorbed by the sealing box (5.1) under the negative pressure, and is gathered and adsorbed to an adsorption pad (5.5), gas with a small amount of powder passes through a mesh plate (5.4) and then enters the sealing box (5.1), and the residual small amount of powder is adsorbed on a filter cylinder (5.6) after being filtered again through the filter cylinder (5.6); therefore, the flakes and the powder are completely separated, the material collecting box (5.2) is periodically drawn out to remove the flakes, and the adsorption pad (5.5) and the filter cylinder (5.6) are replaced; before the material collecting box (5.2) is drawn out, the locking state of the buckle component (5.8) needs to be released, after the wrench (5.8.2) is pulled upwards and overturned for more than 90 degrees, the elastic piece (5.8.4) is in an unstressed state, and the U-shaped hanging piece (5.8.3) is taken down from the clamping hook (5.8.1); after the adsorption pad (5.5) or the filter cartridge (5.6) is replaced or the sheet materials in the material collecting box (5.2) are collected, the material collecting box (5.2) is inserted between the two limiting strips (5.10) under the guidance of the oblique guiding section of the limiting strip (5.10), and then the locking is realized through the buckle component (5.8) to realize sealing.
2. The carrier tape forming process of claim 1, wherein: a plurality of temperature sensors are connected to the preheating die base (1.1) and the forming die base (3.1) in a penetrating manner and used for monitoring the real-time temperature of the preheating die base and the forming die base; and a plug is plugged in the fabrication hole (2.6) at the end part of the air passage (2.2).
3. The carrier tape forming process of claim 1, wherein: and observation windows are arranged on the box walls of the sealing box (5.1) and the material collecting box (5.2).
CN201810309264.3A 2018-04-09 2018-04-09 Carrier tape forming process Active CN108621408B (en)

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CN109483646A (en) * 2018-11-30 2019-03-19 济南君浩医药科技有限公司 A kind of circle point application punching collection device and its application method
CN112590173A (en) * 2020-11-25 2021-04-02 苏州专益智能科技有限公司 Carrier band forming device of non-contact heating

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JP2004291991A (en) * 2003-03-26 2004-10-21 Sumitomo Bakelite Co Ltd Punch positioning device for embossed carrier tape
CN2664885Y (en) * 2003-12-24 2004-12-22 天津市双鹿电子元件包装材料有限责任公司 Deep type cell carried belt forming mould
WO2010147043A1 (en) * 2009-06-16 2010-12-23 電気化学工業株式会社 Embossed carrier tape and manufacturing method thereof
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KR101544693B1 (en) * 2013-05-21 2015-08-19 고순학 Carrier tape forming machine
CN206154740U (en) * 2016-09-29 2017-05-10 黄民清 Carrier band plastic uptake all -in -one
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CN206968018U (en) * 2017-06-28 2018-02-06 广州市中载电子科技有限公司 One kind carrier band one-step shaping device

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