CN214447016U - Waste cutting clamp for PDFN products - Google Patents
Waste cutting clamp for PDFN products Download PDFInfo
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- CN214447016U CN214447016U CN202022972090.4U CN202022972090U CN214447016U CN 214447016 U CN214447016 U CN 214447016U CN 202022972090 U CN202022972090 U CN 202022972090U CN 214447016 U CN214447016 U CN 214447016U
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Abstract
The utility model provides a waste cutting clamp for PDFN products, which comprises a bottom plate, a lower clamp plate, a middle clamp plate, an upper clamp plate, a blanking die and a product positioning plate, wherein the lower clamp plate is fixedly connected above the bottom plate, two sides of the lower clamp plate are respectively fixedly connected with a product positioning plate, and the product positioning plate is provided with a product positioning groove; the lower clamping plate is provided with a blanking die mounting hole, the blanking die is mounted in the blanking die mounting hole, and the blanking die is provided with a blanking hole; the upper clamping plate is arranged above the middle clamping plate, two ends of the upper clamping plate are respectively in corresponding sliding connection with the two guide posts, a punch is fixedly connected to the upper clamping plate and arranged above the blanking hole, and the punch extends downwards into the punch through hole; when cutting waste, the adjacent products to be cut off are pressed between the pressure head and the blanking die, the products to be cut off are located between the blanking hole and the punch through hole, the punch downwards moves along the punch through hole, and the products to be cut off are punched and cut off into the blanking hole. The utility model discloses utilize the die-cut defective product of anchor clamps, improve and cut useless efficiency and cut useless quality.
Description
Technical Field
The utility model belongs to the semiconductor package field, concretely relates to cut useless anchor clamps of PDFN class product.
Background
In the field of device packaging in the semiconductor packaging industry, because the volume of a PDFN product is relatively small, the PDFN product is generally processed and molded by a die with multiple cavities, namely a plurality of PDFN products are arranged in an array form on one piece, as shown in figures 1-3, the PDFN product comprises a plurality of PDFN products 1-1 arranged in the array form and a product plate 1-2 connecting the PDFN products 1-1 and adjacent products, each PDFN product cannot be guaranteed to be qualified products by a plurality of PDFN products on the same plate, individual defective products always appear in the whole product, and the defective products are removed by manually using scissors in the past, so that the PDFN product is tedious, poor in quality and low in waste cutting efficiency.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a PDFN class product cut useless anchor clamps, utilize the die-cut defective product of anchor clamps, improve and cut useless efficiency and cut useless quality.
In order to solve the technical problem, an embodiment of the utility model provides a waste cutting fixture for PDFN products, which comprises a bottom plate, a lower plate, a middle plate, an upper plate, a blanking die and a product positioning plate, wherein the lower plate is fixedly connected above the bottom plate, two sides of the lower plate are respectively and fixedly connected with a product positioning plate, and the product positioning plate is provided with a product positioning groove;
the lower clamping plate is provided with a blanking die mounting hole, the blanking die is mounted in the blanking die mounting hole, the blanking die is provided with a blanking hole, and a bottom plate blanking hole is formed in the position, corresponding to the blanking hole, of the bottom plate;
the upper end surface of the blanking die is lower than the upper end surface of the lower clamping plate, and the fall between the two surfaces is the thickness of the product sheet;
two ends of the bottom plate are respectively provided with a guide post, and the guide posts extend upwards after upwards penetrating through the lower clamping plate from the bottom plate;
the middle clamping plate is arranged above the lower clamping plate, two ends of the middle clamping plate are respectively in corresponding sliding connection with the two guide posts, a pressure head is arranged below the middle clamping plate, the lower end face of the pressure head is flush with the lower end face of the middle clamping plate, the pressure head is positioned above the blanking die, and a punch head through hole is formed in the position, corresponding to the blanking hole, of the pressure head;
a lower clamping plate sinking groove is formed in the upper end face of the lower clamping plate, a middle clamping plate groove is formed in the lower end face of the middle clamping plate, after the lower end face of the middle clamping plate is tightly pressed against the upper end face of the lower clamping plate, the lower clamping plate sinking groove and the middle clamping plate groove are enclosed to form a product containing cavity, the bottom surface of the product positioning groove is not higher than the bottom surface of the lower clamping plate sinking groove, and the groove top surface of the product positioning groove is lower than the upper end face of the blanking die;
the upper clamping plate is arranged above the middle clamping plate, two ends of the upper clamping plate are respectively in corresponding sliding connection with the two guide posts, a punch is fixedly connected to the upper clamping plate and arranged above the blanking hole, and the punch extends downwards into the punch through hole;
when cutting waste, the adjacent products to be cut off are pressed between the pressure head and the blanking die, the products to be cut off are located between the blanking hole and the punch through hole, the punch downwards moves along the punch through hole, and the products to be cut off are punched and cut off into the blanking hole.
The blanking die comprises a lower clamping plate and a blanking die mounting hole, wherein the lower end surface of the lower clamping plate is provided with a blanking die fixing groove which transversely penetrates through the lower clamping plate, the blanking die fixing groove penetrates through the lower end of the blanking die mounting hole, one side of the lower end of the blanking die is provided with a flange, and the flange is clamped in the blanking die fixing groove.
And the upper end of the blanking die and the periphery of the blanking hole are provided with product limiting counter bores, and the adjacent products to be cut off are limited in the product limiting counter bores.
The guide post is characterized in that the upper surfaces of two ends of the bottom plate are respectively provided with a bottom plate counter bore, the lower end of the guide post is provided with an annular flange, and the annular flange is arranged in the bottom plate counter bore and pressed between the bottom plate and the lower clamping plate.
Preferably, the width of the lower clamping plate sinking groove and the width of the middle clamping plate groove are larger than the width of the product positioning plate.
The product positioning plate is provided with a plurality of product positioning grooves with different widths, and the width of each product positioning groove is multiple of the width of the PDFN products, namely one or more lines of PDFN products can be exactly limited in the product positioning grooves
The pressure head installation sinking groove is formed in the groove bottom face of the groove of the middle clamping plate, and the pressure head is embedded and fixed in the pressure head installation sinking groove.
The top of the upper clamping plate is fixedly connected with a top plate, the two ends of the upper clamping plate are embedded with upper guide sleeves, the upper ends of the upper guide sleeves are inserted into the top plate, and the guide columns are connected with the upper guide sleeves in a sliding mode.
Wherein, the both ends of well splint are inlayed and are equipped with lower uide bushing, guide post and lower uide bushing sliding connection.
The punch is fixedly connected with the upper clamping plate through a set screw, a punch fixing groove is formed in the side of the punch, and a nut of the set screw is clamped in the punch fixing groove.
The utility model discloses an above-mentioned technical scheme's beneficial effect as follows: the utility model discloses utilize the die-cut defective product of anchor clamps, improve and cut useless efficiency and cut useless quality.
Drawings
FIG. 1 is a front view of a prior art monolithic product;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is an enlarged view of the structure at A in FIG. 1;
FIG. 4 is an enlarged view of the front view of the present invention;
FIG. 5 is a top view of the upper and middle clamping plates of FIG. 4 with the clamping plates removed;
FIG. 6 is an enlarged view of a front view of the middle base plate of the present invention;
fig. 7 is an enlarged view of a top view of the middle base plate of the present invention;
fig. 8 is an enlarged view of a front view of the middle lower splint according to the present invention;
fig. 9 is an enlarged view of a top view of the lower jaw of the present invention;
FIG. 10 is an enlarged view of a front view of the product positioning plate of the present invention;
FIG. 11 is an enlarged view of a top view of the product positioning plate of the present invention;
fig. 12 is an enlarged view of a front view of the blanking die of the present invention;
fig. 13 is an enlarged view of a top view of the blanking die of the present invention;
fig. 14 is an enlarged view of a front view of the middle clamp plate according to the present invention;
fig. 15 is an enlarged view of a front view of the upper clamp plate according to the present invention.
Description of reference numerals:
1-1, PDFN products; 1-2, product sheet; 1. a base plate; 11. a bottom plate blanking hole; 12. a guide post; 2. a lower splint; 21. blanking die mounting holes; 22. sinking the lower clamping plate into the groove; 23. a blanking die fixing groove; 3. a middle splint; 31. a pressure head; 32. punching a hole by a punch; 33. a middle clamping plate groove; 34. a lower guide sleeve; 4. an upper splint; 41. a punch; 42. an upper guide sleeve; 5. blanking die; 51. a blanking hole; 52. a product limiting counter bore; 6. a product positioning plate; 61. a product positioning groove; 62. a step plate; 7. a top plate; 8. and (5) tightening the screw.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
As shown in fig. 4 and 5, the embodiment of the utility model provides a PDFN class product cuts useless anchor clamps, including bottom plate 1, lower plate 2, well splint 3, punch holder 4, blanking die 5 and product locating plate 6, 2 fixed connection in the top of bottom plate 1 of lower plate, each fixed connection a slice product locating plate 6 of both sides of lower plate 2, be equipped with product positioning groove 61 on the product locating plate 6, the tip below of the neighbouring lower plate 2 of product locating plate 6 is equipped with step board 62, step board 62 is through the side fixed connection of horizontal fastening bolt and lower plate 2.
As shown in fig. 10 and 11, the product positioning plate 6 is provided with a plurality of product positioning grooves 61 with different widths, the width of the product positioning grooves 61 is multiple of the width of the PDFN products 1-1, i.e. one or more rows of PDFN products can be exactly positioned in the product positioning grooves 61.
As shown in fig. 6 to 9, a blanking die mounting hole 21 is formed in the lower clamping plate 2, the blanking die 5 is mounted in the blanking die mounting hole 21, a transversely-penetrating blanking die fixing groove 23 is formed in the lower end surface of the lower clamping plate 2, the blanking die fixing groove 23 penetrates through the lower end of the blanking die mounting hole 21, and a flange is arranged on one side of the lower end of the blanking die 5 and is clamped in the blanking die fixing groove 23.
The blanking die 5 is provided with a blanking hole 51 (see fig. 12 and 13), and the bottom plate 1 is provided with a bottom plate blanking hole 11 corresponding to the blanking hole 51. And product limiting counter bores 52 are formed in the upper end of the blanking die 5 and the periphery of the blanking hole 51, and adjacent products of the products to be cut are limited in the product limiting counter bores 52.
The upper end face of the blanking die 5 is lower than the upper end face of the lower clamping plate 2, and the fall between the two faces is equal to the thickness of the product sheet plate 1-2.
Two ends of the bottom plate 1 are respectively provided with a guide post 12, and the guide posts 12 extend upwards after upwards penetrating through the lower clamping plate 2 from the bottom plate 1. In this embodiment, the upper surfaces of the two ends of the bottom plate 1 are respectively provided with a bottom plate counter bore, the lower end of the guide post 12 is provided with an annular flange, and the annular flange is arranged in the bottom plate counter bore and pressed between the bottom plate 1 and the lower clamping plate 2.
The middle clamping plate 3 is arranged above the lower clamping plate 2, and two ends of the middle clamping plate are respectively in sliding connection with the two guide posts 12 correspondingly, wherein the two ends of the middle clamping plate 3 are embedded with lower guide sleeves 34, and the guide posts 12 are in sliding connection with the lower guide sleeves 34. As shown in fig. 14, a pressing head 31 is arranged below the middle splint 3, a lower end surface of the pressing head 31 is flush with a lower end surface of the middle splint 3, in this embodiment, a pressing head installation sinking groove is formed in the lower end surface of the middle splint 3, and the pressing head 31 is embedded and fixed in the pressing head installation sinking groove.
The pressure head 31 is positioned above the blanking die 5, and a punch through hole 32 is arranged on the pressure head 31 corresponding to the blanking hole 51.
The upper end face of the lower clamping plate 2 is provided with a lower clamping plate sinking groove 22, the lower end face of the middle clamping plate 3 is provided with a middle clamping plate groove 33, and the widths of the lower clamping plate sinking groove 22 and the middle clamping plate groove 33 are larger than that of the product positioning plate 6. The lower terminal surface of well splint 3 compresses tightly the back with the up end of lower plate 2, and the heavy groove of lower plate 22 encloses with well splint recess 33 and establishes into the product and holds the chamber, the tank bottom surface of product location groove 61 is not higher than the tank bottom surface of the heavy groove of lower plate 22, the groove top surface of product location groove 61 is less than the up end of blanking die 5.
The upper clamp plate 4 is arranged above the middle clamp plate 3, and two ends of the upper clamp plate are respectively in sliding connection with the two guide posts 12 correspondingly, a punch 41 is fixedly connected to the upper clamp plate 4, the punch 41 is arranged above the blanking hole 51 correspondingly, and the punch 41 extends downwards into the punch through hole 32.
As shown in fig. 15, the punch 41 is fixedly connected to the upper plate 4 by a set screw 8, a punch fixing groove is formed at a side of the punch 41, and a nut of the set screw 8 is fastened in the punch fixing groove.
The upper portion of the upper clamping plate 4 is fixedly connected with a top plate 7, the two ends of the upper clamping plate 4 are embedded with upper guide sleeves 42, the upper ends of the upper guide sleeves 42 are inserted into the top plate 7, and the guide columns 12 are connected with the upper guide sleeves 42 in a sliding mode.
When cutting waste, the adjacent products of the products to be cut are pressed between the pressure head 31 and the blanking die 5, the products to be cut are located between the blanking hole 51 and the punch through hole 32, the punch 41 moves downwards along the punch through hole 32, and the products to be cut are blanked into the blanking hole 51.
The utility model discloses a theory of operation does: the whole product is placed on the product positioning plate 6 on one side, the product positioning groove 61 is used for limiting, PDFN products which have defects and need to be cut off on the whole product are searched, and after the PDFN products are found, the position of the whole product on the product positioning plate 6 is adjusted according to the position of the product to be cut off, so that the product to be cut off and the blanking hole 51 are in the same line. The whole product is moved to the position where the product to be cut off is placed above the blanking hole 51, and the adjacent products on the periphery are limited by the product limiting counter bore 52 on the blanking die 5. And moving the middle clamping plate 3 downwards until the middle clamping plate is clamped with the lower clamping plate 2, pressing the upper end surface of the whole product by the pressing head 31, then moving the upper clamping plate 4 downwards, driving the punch 41 to move downwards along the punch through hole 32 until the punch 41 punches the product to be cut into the blanking hole, and finishing the cutting of the defective product. The utility model discloses in, moving down of well splint and punch holder can adopt conventional mechanical structure drive (refer to the punch press), reduces intensity of labour. The utility model discloses utilize the die-cut defective product of anchor clamps, improve and cut useless efficiency and cut useless quality.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The waste cutting clamp for the PDFN products is characterized by comprising a bottom plate, a lower clamping plate, a middle clamping plate, an upper clamping plate, a blanking die and product positioning plates, wherein the lower clamping plate is fixedly connected above the bottom plate, two sides of the lower clamping plate are respectively and fixedly connected with one product positioning plate, and the product positioning plates are provided with product positioning grooves;
the lower clamping plate is provided with a blanking die mounting hole, the blanking die is mounted in the blanking die mounting hole, the blanking die is provided with a blanking hole, and a bottom plate blanking hole is formed in the position, corresponding to the blanking hole, of the bottom plate;
the upper end surface of the blanking die is lower than the upper end surface of the lower clamping plate, and the fall between the two surfaces is the thickness of the product sheet;
two ends of the bottom plate are respectively provided with a guide post, and the guide posts extend upwards after upwards penetrating through the lower clamping plate from the bottom plate;
the middle clamping plate is arranged above the lower clamping plate, two ends of the middle clamping plate are respectively in corresponding sliding connection with the two guide posts, a pressure head is arranged below the middle clamping plate, the lower end face of the pressure head is flush with the lower end face of the middle clamping plate, the pressure head is positioned above the blanking die, and a punch head through hole is formed in the position, corresponding to the blanking hole, of the pressure head;
a lower clamping plate sinking groove is formed in the upper end face of the lower clamping plate, a middle clamping plate groove is formed in the lower end face of the middle clamping plate, after the lower end face of the middle clamping plate is tightly pressed against the upper end face of the lower clamping plate, the lower clamping plate sinking groove and the middle clamping plate groove are enclosed to form a product containing cavity, the bottom surface of the product positioning groove is not higher than the bottom surface of the lower clamping plate sinking groove, and the groove top surface of the product positioning groove is lower than the upper end face of the blanking die;
the upper clamping plate is arranged above the middle clamping plate, two ends of the upper clamping plate are respectively in corresponding sliding connection with the two guide posts, a punch is fixedly connected to the upper clamping plate and arranged above the blanking hole, and the punch extends downwards into the punch through hole;
when cutting waste, the adjacent products to be cut off are pressed between the pressure head and the blanking die, the products to be cut off are located between the blanking hole and the punch through hole, the punch downwards moves along the punch through hole, and the products to be cut off are punched and cut off into the blanking hole.
2. The clamp of claim 1, wherein the lower end surface of the lower plate is provided with a blanking die fixing groove extending transversely therethrough, the blanking die fixing groove is formed to penetrate through the lower end of the blanking die mounting hole, and a flange is provided at one side of the lower end of the blanking die and is fastened to the blanking die fixing groove.
3. The clamp for cutting waste PDFN products as claimed in claim 1 or 2, wherein product limiting counter bores are formed at the upper end of the blanking die and around the blanking hole, and the adjacent products to be cut are limited in the product limiting counter bores.
4. The discard cutting fixture for PDFN products as claimed in claim 1, wherein the bottom plate has a bottom plate counterbore on the upper surface of each end, and the guide posts have annular flanges on the lower ends, the annular flanges being disposed in the bottom plate counterbores and pressed between the bottom plate and the lower clamping plate.
5. The scrap cutting jig for PDFN type products of claim 1, wherein the width of the lower and middle clamping plate pockets is larger than the width of the product alignment plate.
6. The scrap cutting jig for PDFN products as claimed in claim 1 or claim 5, wherein the product positioning plate has a plurality of product positioning grooves with different widths, and the width of the product positioning grooves is a multiple of the width of the PDFN products.
7. The PDFN type product scrap cutting jig of claim 1, wherein the bottom surface of the middle clamping plate groove is provided with a pressure head installation sinking groove, and the pressure head is embedded and fixed in the pressure head installation sinking groove.
8. The PDFN type product scrap cutting jig as claimed in claim 1, wherein a top plate is fixedly connected to an upper portion of the upper clamping plate, upper guide sleeves are fitted to both ends of the upper clamping plate, upper ends of the upper guide sleeves are inserted into the top plate, and the guide posts are slidably connected to the upper guide sleeves.
9. The PDFN type product discard cutting jig as claimed in claim 1, wherein the middle clamping plate is embedded with lower guide sleeves at both ends thereof, and the guide posts are slidably connected with the lower guide sleeves.
10. The clamp of claim 1, wherein the punch is fixedly connected to the upper clamp plate by a set screw, a punch fixing groove is formed in a side of the punch, and a nut of the set screw is fastened to the punch fixing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022972090.4U CN214447016U (en) | 2020-12-11 | 2020-12-11 | Waste cutting clamp for PDFN products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022972090.4U CN214447016U (en) | 2020-12-11 | 2020-12-11 | Waste cutting clamp for PDFN products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214447016U true CN214447016U (en) | 2021-10-22 |
Family
ID=78188309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022972090.4U Active CN214447016U (en) | 2020-12-11 | 2020-12-11 | Waste cutting clamp for PDFN products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214447016U (en) |
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2020
- 2020-12-11 CN CN202022972090.4U patent/CN214447016U/en active Active
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