CN215845429U - Flat packaging circuit rib cutting tool - Google Patents

Abstract

The utility model discloses a rib cutting tool for a flat packaging circuit, which comprises a shearing mechanism and a plurality of size adjusting plates which can be selected to be installed on one side of the shearing mechanism, wherein one surfaces of the size adjusting plates, which are far away from the shearing mechanism, are all recessed to form placing grooves, and the groove depth of the placing groove corresponding to each size adjusting plate is gradually increased along the recessed direction so as to change the length of a pin rib of the flat packaging circuit; the groove bottom of standing groove is formed with the eager muscle window correspond in the standing groove one side of eager muscle window forms one and places the platform, and flat packaging circuit arranges in place the bench and wait to cut the pin and pass through the eager muscle window orientation shear mechanism when adjusting eager muscle length, only need change size regulating plate, and need not to change whole eager muscle cutter, and is convenient, swift, simple structure, processing cost hang down.

Description

Flat packaging circuit rib cutting tool

Technical Field

The utility model relates to the technical field of rib cutting of integrated circuit pins, in particular to a rib cutting tool for a flat packaging circuit.

Background

After the integrated circuit is packaged, the circuit pins need to be subjected to rib cutting operation so as to achieve the required pin length. In order to meet different requirements on the length of the cutting ribs of various and small-batch flat packaging circuits, the conventional method is to design corresponding special cutting tools according to different requirements on the length of the cutting ribs, so that the cutting tools are required to be frequently replaced and debugged, the operation is inconvenient and the efficiency is low, and meanwhile, due to the fact that a plurality of special cutting tools are required to be designed, the processing cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rib cutting tool for a flat packaging circuit, which aims to solve the problems that the tool needs to be frequently replaced and debugged according to different rib cutting lengths and the processing cost is overhigh in the prior art.

In order to solve the above problems, the utility model provides a flat package circuit tendon cutting tool, which comprises a shearing mechanism and a plurality of size adjusting plates capable of being selectively installed on one side of the shearing mechanism, wherein one surfaces of the size adjusting plates, which are far away from the shearing mechanism, are recessed inwards to form placing grooves, and the groove depth of the placing groove corresponding to each size adjusting plate is gradually increased along the inwards recessed direction so as to change the length of a pin tendon of the flat package circuit; the cutting mechanism is characterized in that a rib cutting window is formed at the bottom of the placing groove, a placing table is formed in one side, corresponding to the rib cutting window, of the placing groove, the flat packaging circuit is arranged on the placing table, and a pin to be cut penetrates through the rib cutting window and faces the cutting mechanism.

Furthermore, the shearing mechanism comprises a fixed cutter set and a movable cutter set which is arranged above the fixed cutter set oppositely and is matched with the fixed cutter set to shear pins of the flat package circuit, and the size adjusting plate is detachably mounted on one side of the fixed cutter set; the movable knife group is provided with a first shearing surface opposite to the fixed knife group, the movable knife group is provided with a second shearing surface opposite to the fixed knife group, and the first shearing surface and the table surface of the placing table are located at the same horizontal position.

Furthermore, the fixed cutter set comprises a fixed cutter seat and a first shearing cutter which is detachably arranged on the fixed cutter seat, the movable cutter set comprises a movable cutter seat and a second shearing cutter which is detachably arranged on the movable cutter seat and matched with the first shearing cutter to shear pins, and the second shearing cutter is detachably connected with the size adjusting plate; the first cutting surface is formed on the first cutting blade, and the second cutting surface is formed on the second cutting blade.

Further, first shear sword deviates from the one side of size adjusting plate still be formed with first shear plane mutually perpendicular's third shear plane, the second shear sword towards the one side of size adjusting plate still be formed with the fourth shear plane that the third shear plane is parallel to each other, first shear sword is relative and is the dislocation set with the second shear sword, makes the second shear sword is down the time, the laminating of fourth shear plane the third shear plane moves down, and the second shear plane pushes down and breaks treat the pin of cuting.

Furthermore, a yielding groove with the size larger than that of the second shearing knife is arranged at the position, corresponding to the second shearing knife, of the fixed knife holder.

Further, the symmetry is equipped with the mounting groove on the size adjusting plate, correspond on the first sword of cuting the position department of mounting groove be equipped with the screw hole of mounting groove size looks adaptation, the size adjusting plate passes through the bolt and corresponds the cooperation demountable installation of mounting groove and screw hole on the first sword of cuting.

Furthermore, face on the first shearing knife one side symmetry of size regulating plate is equipped with the positioning stud, correspond on the size regulating plate position department of positioning stud be equipped with the constant head tank of positioning stud size looks adaptation, the positioning stud is located in the constant head tank.

Furthermore, a straight groove which is through from top to bottom is formed in the fixed cutter holder in the thickness direction, and a mounting hole which is through from top to bottom is formed in the movable cutter holder in the thickness direction.

Further, the groove depth of the placing grooves is distributed between 1.5mm and 6.2mm, and the groove depth of each placing groove is gradually increased by taking 0.1mm as a gradient.

According to the utility model, by arranging a plurality of size adjusting plates with placing grooves with different groove depths, a proper size adjusting plate can be selected and installed on the first shearing knife according to the requirement of the cutting length of the flat packaging circuit pin, and the horizontal distance from the groove bottom of the placing groove to the edge of the first shearing surface is the length of the rest pin on the flat packaging circuit, so that the cutting length of the flat packaging circuit is adjusted; in addition, size adjusting plate passes through bolt demountable installation on first shearing sword, when needs change size adjusting plate, only need with size adjusting plate follow first shearing sword pull down change into need size adjusting plate can, need not to change whole eager muscle cutter to need not to cut sword and second again after the change and carry out counterpoint, convenient, swift can not only improve machining efficiency, can also practice thrift the processing cost simultaneously to first shearing sword and second.

Drawings

FIG. 1 is a schematic structural view of a flat package circuit rib cutter of the present invention.

Fig. 2 is a schematic structural view of the size adjustment plate of fig. 1.

Fig. 3 is a schematic structural view of the fixed knife set in fig. 1.

Fig. 4 is another schematic structural diagram of fig. 3.

Fig. 5 is a schematic structural view of the movable knife set in fig. 1.

Fig. 6 is a bottom view of fig. 5.

The reference numbers of the specification are as follows:

the flat packaging circuit comprises a flat packaging circuit 100, a shearing mechanism 1, a fixed cutter group 11, a fixed cutter holder 111, a straight groove 111a, a first shearing cutter 112, a first shearing surface 112a, a third shearing surface 112b, a threaded hole 112c, a positioning stud 112d, a movable cutter group 12, a movable cutter holder 121, a mounting hole 121a, a second shearing cutter 122, a second shearing surface 122a, a fourth shearing surface 122b, a size adjusting plate 2, a mounting groove 2a, a positioning groove 2b, a placing groove 3, a placing table 31, a tendon cutting window 4 and a relief groove 5.

Detailed Description

The utility model will be further explained with reference to the drawings.

As shown in fig. 1 and fig. 2, the rib cutting tool for a flat package circuit 100 of the present invention includes a cutting mechanism 1 and a plurality of size adjusting plates 2, wherein the cutting mechanism 1 is used for cutting redundant pins on the flat package circuit 100, and the plurality of size adjusting plates 2 can be selectively installed on one side of the cutting mechanism 1 according to the requirement of the length of the cut rib for controlling the length of the cut pin of the flat package circuit 100, so as to meet the requirement of different lengths of the cut rib. Each one side that size adjusting plate 2 deviates from shearing mechanism 1 all the indent is formed with standing groove 3, the tank bottom of standing groove 3 is formed with muscle cutting window 4, correspond in the standing groove 3 one side of muscle cutting window 4 forms a platform 31 of placing, flat packaging circuit 100 is arranged in place on the platform 31, during the muscle cutting, flat packaging circuit 100's circuit main part with the tank bottom of standing groove 3 offsets, treats to cut the pin and passes through muscle cutting window 4 orientation shearing mechanism 1 to make shearing mechanism 1 cut unnecessary pin, muscle cutting length promptly the tank bottom of standing groove 3 is to the horizontal distance between the shearing position of shearing mechanism 1. In this embodiment, the groove bottom of the placement groove 3 refers to a groove wall formed on a surface of the placement groove 3 facing away from the shearing mechanism 1. The groove depth of the corresponding placing groove 3 on each size adjusting plate 2 gradually increases along the concave direction thereof, so that the groove depth of the placing groove 3 on each size adjusting plate 2 is different, and the bar cutting length of the pins can be changed by replacing the size adjusting plates 2. In this embodiment, the groove depth of the placement grooves 3 is distributed between 1.5mm and 6.2mm, and the groove depth of each placement groove 3 is gradually increased by taking 0.1mm as a gradient to realize the change of the pin cutting length of the flat package circuit 100, it can be understood that the groove depth of the placement groove 3 can be set to other length gradients, such as 0.2mm, 0.5mm and the like, according to the precision requirement of cutting, so as to reduce the number of size adjustment plates 2 and further save the cost.

With continued reference to fig. 3, 4, 5 and 6, the cutting mechanism 1 includes a fixed knife set 11 and a movable knife set 12 detachably mounted at corresponding positions of a die frame (not shown) of the punching machine, the movable knife set 12 is disposed above the movable knife set 12, and the movable knife set 12 can move close to or away from the fixed knife set 11 under the driving of the die frame of the punching machine to cut the pins of the flat package circuit 100 in cooperation with the fixed knife set 11. A first shearing surface 112a opposite to the movable knife group 12 is formed on the fixed knife group 11, a second shearing surface 122a opposite to the fixed knife group 11 is formed on the movable knife group 12, the first shearing surface 112a and the table surface of the placing table 31 are located at the same horizontal position, so that the pins of the flat package circuit 100 can be supported on the first shearing surface 112a after passing through the tendon cutting window 4, and when the movable knife group 12 descends, the second shearing surface 122a downwardly presses the pins, and then the pins are cut off under the matching of the second shearing surface 122a and the first shearing surface 112 a.

Fixed knife tackle 11 includes fixed blade holder 111 and can dismantle the setting and be in first shearing sword 112 on the fixed blade holder 111, activity knife tackle 12 includes activity blade holder 121 and can dismantle the setting and be in on the activity blade holder 121 and with first shearing sword 112 cooperation is sheared the sword 122 with the second of shearing the pin, preferentially, first shearing sword 112 passes through bolt demountable installation on fixed blade holder 111, the second is sheared sword 122 and is also dismantled on activity blade holder 121 through bolt demountable installation equally to be convenient for to change first shearing sword 112 and second shearing sword 122 after first shearing sword 112 and second shearing sword 122 wearing and tearing. It is understood that the first cutting blade 112 and the second cutting blade 122 can also be detachably mounted on the corresponding fixed blade seat 111 and the movable blade seat 121 by other means, such as clamping, pin joint, etc. A position, corresponding to the second cutting blade 122, of the fixed blade holder 111 is provided with a relief groove 5, the size of which is larger than that of the second cutting blade 122, and after the second cutting blade 122 descends to a proper position, the second cutting blade 122 can be accommodated in the relief groove 5, so that interference of the first cutting blade 112 on the movement of the second cutting blade 122 is avoided; simultaneously, the groove of stepping down 5 still can regard as the material returned mouth of pin waste material, makes the pin waste material accessible that cuts down should concentrate the falling out this bar cutting mechanism in the groove of stepping down 5, avoids the pin waste material to pile up.

The first cutting surface 112a is formed on the first cutting blade 112, one surface of the first cutting blade 112 departing from the size adjusting plate 2 is further formed with a third cutting surface 112b perpendicular to the first cutting surface 112a, the second cutting surface 122a is formed on the second cutting blade 122, the second cutting blade 122 faces the one surface of the size adjusting plate 2 is further formed with a fourth cutting surface 122b parallel to the third cutting surface 112b, and the fourth cutting surface 122b is perpendicular to the second cutting surface 122 a. The first shearing blade 112 and the second shearing blade 122 are arranged oppositely and in a staggered manner, so that the first shearing surface 112a and the second shearing surface 122a are also arranged oppositely in a staggered manner, when the second shearing blade 122 descends, the second shearing surface 122a gradually approaches to the part of the pins exceeding the first shearing surface 112a, due to the staggered arrangement of the first shearing surface 112a and the second shearing surface 122a, after the second shearing surface 122a contacts with the pins, the second shearing blade 122 continues to descend and press the pins downwards, and meanwhile, the fourth shearing surface 122b is attached to the third shearing surface 112b and moves downwards to cut off redundant pins, so that rib cutting operation is realized.

The movable tool apron 121 is provided with a mounting hole 121a which is through up and down in the thickness direction and used for mounting the movable tool group 12 on the punch die carrier, and specifically, the movable tool group 12 can be mounted on the punch die carrier through the matching of a bolt and the mounting hole 121 a. A straight groove 111a which is through up and down is formed in the fixed tool apron 111 in the thickness direction and used for installing the fixed tool set 11 on the die set of the punch press and corresponds to the position below the movable tool set 12, and specifically, the fixed tool set 11 can be installed on the die set of the punch press through the matching of a bolt and the straight groove 111 a; in addition, the straight groove 111a is arranged, so that after the movable cutter set 12 is installed in place, the installation position of the fixed cutter set 11 can be adjusted back and forth through the straight groove 111a, so that the third shearing surface 112b and the fourth shearing surface 122b can be tightly attached to form a sharp shearing surface, and the shearing strength is increased and the shearing precision is improved.

Size adjusting plate 2 demountable installation in one side of fixed knife tackle 11, specifically, size adjusting plate 2 sets up side by side one side of first shearing sword 112 and with first shearing sword 112 can dismantle the connection, is convenient for change size adjusting plate 2. In this embodiment, the symmetry is equipped with mounting groove 2a on size adjusting plate 2, correspond on the first shear sword 112 the position department of mounting groove 2a be equipped with the screw hole 112c of mounting groove 2a size looks adaptation, size adjusting plate 2 through the bolt with correspond mounting groove 2a and screw hole 112c cooperation demountable installation in on the first shear sword 112 to quick replacement accords with the size adjusting plate 2 of cutting muscle length requirement.

In this embodiment, a positioning stud 112d is symmetrically disposed on the first cutting knife 112 facing the size adjusting plate 2, a positioning groove 2b with a size adapted to the positioning stud 112d is disposed at a position on the size adjusting plate 2 corresponding to the positioning stud 112d, and the positioning stud 112d is positioned in the positioning groove 2b to accurately mount the size adjusting plate 2.

When the punching die is used, firstly, the movable cutter set 12 and the fixed cutter set 11 are installed at corresponding positions of a die carrier of a punching machine through bolts, and after the installation is finished, the third shearing surface 112b and the fourth shearing surface 122b are tightly attached; then, according to the requirement of the length of the pin cutting rib of the flat package circuit 100, selecting a size adjusting plate 2 with a proper specification, placing the size adjusting plate 2 on one side of the first shearing knife 112 under the matching of the positioning groove 2b and the positioning stud 112d, and fixing the size adjusting plate 2 on the first shearing knife 112 through a bolt; then, the pin to be cut of the flat package circuit 100 passes through the trimming window 4 and is supported on the first cutting surface 112a, while the main part of the circuit is supported on the table top of the placing table 31 and the relative position of the main part of the circuit is pressed against the groove bottom of the placing groove 3, and the flat package circuit 100 is held by hand to be fixed; and finally, controlling the movable cutter holder 121 to drive the second shearing cutter 122 to move downwards to be close to the pins to be sheared through the die set of the punching machine, so that redundant pins are cut off under the matching of the first shearing surface 112a and the second shearing surface 122a, the cut pin waste materials exit through the abdicating groove 5, controlling the movable cutter holder 121 to drive the second shearing cutter 122 to move upwards, and taking down the sheared flat packaging circuit 100.

When the pin of other length is cuted to needs, only need to dismantle size adjusting plate 2 on the current mechanism 1 of cuting from first shearing sword 112, and the size adjusting plate 2 of changing other specifications can realize the change of pin bar cutting length, because activity knife tackle 12 and fixed knife tackle 11 are all fixed, thereby need not to counterpoint again to the mechanism 1 of cuting that has changed size adjusting plate 2, more need not to change whole mechanism 1 of cuting, moreover, the steam generator is simple in structure, the manufacturing cost of processingequipment has been practiced thrift to very big degree, and the change process only needs to accomplish through the bolt, and is convenient, and fast, the machining efficiency who has effectively improved, and the steam generator has strong practicality.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures made by using the contents of the present specification and the drawings can be directly or indirectly applied to other related technical fields, and are within the scope of the present invention.

Claims (9)

1. The utility model provides a flat packaging circuit muscle cutter of cutting, includes cuts the mechanism, its characterized in that: the cutting mechanism is characterized by further comprising a plurality of size adjusting plates which are selected to be installed on one side of the cutting mechanism, wherein placing grooves are formed in the surfaces, away from the cutting mechanism, of the size adjusting plates in a concave mode, and the groove depth of the placing groove corresponding to each size adjusting plate is gradually increased along the concave direction so as to change the pin rib cutting length of the flat packaging circuit; the cutting mechanism is characterized in that a rib cutting window is formed at the bottom of the placing groove, a placing table is formed in one side, corresponding to the rib cutting window, of the placing groove, the flat packaging circuit is arranged on the placing table, and a pin to be cut penetrates through the rib cutting window and faces the cutting mechanism.

2. The flat-package circuit slitting tool as set forth in claim 1, wherein: the shearing mechanism comprises a fixed cutter set and a movable cutter set which is arranged above the fixed cutter set oppositely and matched with the fixed cutter set to shear pins of the flat packaging circuit, and the size adjusting plate is detachably arranged on one side of the fixed cutter set; the movable knife group is provided with a first shearing surface opposite to the fixed knife group, the movable knife group is provided with a second shearing surface opposite to the fixed knife group, and the first shearing surface and the table surface of the placing table are located at the same horizontal position.

3. The flat-package circuit slitting tool as set forth in claim 2, wherein: the fixed cutter set comprises a fixed cutter seat and a first shearing cutter which is detachably arranged on the fixed cutter seat, the movable cutter set comprises a movable cutter seat and a second shearing cutter which is detachably arranged on the movable cutter seat and matched with the first shearing cutter to shear pins, and the second shearing cutter is detachably connected with the size adjusting plate; the first cutting surface is formed on the first cutting blade, and the second cutting surface is formed on the second cutting blade.

4. A flat pack circuit slitting tool as set forth in claim 3, wherein: first shearing sword deviates from the one side of size adjusting plate still be formed with first shear plane mutually perpendicular's third shear plane, the second shears the sword towards the one side of size adjusting plate still be formed with the fourth shear plane that the third shear plane is parallel to each other, first shearing sword shears the sword with the second and is the dislocation set relatively, makes the second shears the sword when down, the laminating of fourth shear plane the third shear plane moves down, and the second shear plane pushes down and breaks treat the pin of cuting.

5. A flat pack circuit slitting tool as set forth in claim 3, wherein: and a yielding groove with the size larger than that of the second shearing knife is arranged at the position, corresponding to the second shearing knife, on the fixed knife holder.

6. A flat pack circuit slitting tool as set forth in claim 3, wherein: the symmetry is equipped with the mounting groove on the size adjusting plate, correspond on the first sword of cuting the position department of mounting groove be equipped with the screw hole of mounting groove size looks adaptation, the size adjusting plate passes through the bolt and corresponds the cooperation demountable installation of mounting groove and screw hole on the first sword of cuting.

7. A flat pack circuit slitting tool as set forth in claim 3, wherein: first shearing sword is gone up to the one side symmetry of size regulating plate is equipped with the positioning stud, the last correspondence of size regulating plate the position department of positioning stud be equipped with the constant head tank of positioning stud size looks adaptation, positioning stud is located in the constant head tank.

8. A flat pack circuit slitting tool as set forth in claim 3, wherein: the fixed cutter holder is provided with a straight groove which is communicated up and down along the thickness direction, and the movable cutter holder is provided with a mounting hole which is communicated up and down along the thickness direction.

9. The flat-package circuit rib cutter according to any one of claims 2 to 8, wherein: the groove depth of the placing grooves is distributed between 1.5mm and 6.2mm, and the groove depth of each placing groove is gradually increased by taking 0.1mm as a gradient.

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