CN217798492U

CN217798492U - Continuous stamping die of optic fibre stationary blade

Info

Publication number: CN217798492U
Application number: CN202222083291.8U
Authority: CN
Inventors: 张芝阳
Original assignee: Shenzhen Ovid Machinery Electron Co ltd
Current assignee: Shenzhen Ovid Machinery Electron Co ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2022-11-15
Anticipated expiration: 2032-08-09

Abstract

The utility model discloses a continuous stamping die for an optical fiber fixing piece, which is used for an upper die stamping assembly and a lower die stamping assembly, wherein the upper die stamping assembly is connected with the lower die stamping assembly; the material belt is placed in a punching area of the lower die punching assembly and positioned, and when the upper die punching assembly is aligned with the lower die assembly and pressed downwards, the upper die punching assembly performs punching, shape punching, bending, flattening and dividing punching operations on a processing area on the material belt; and the lower die stamping component is used for shaping the processing area and providing a cutting edge required by corresponding stamping operation, and the optical fiber fixing sheet is ejected and unloaded after being subjected to side-push forming to obtain the optical fiber fixing sheet. The functions of punching, appearance punching, side-push forming and division of the optical fiber fixing sheet are integrated on one set of continuous stamping die, the optical fiber fixing sheet can be directly produced by repeatedly moving the material belt and stamping, independent processing of one set of die for each functional design is not needed as in the prior art, the processing efficiency is improved by one set of die forming, and the cost of a single-shot die is reduced.

Description

Continuous stamping die of optic fibre stationary blade

Technical Field

The utility model relates to a machinery processing technology field, in particular to continuous stamping die of optic fibre stationary blade.

Background

The laser module is used in the field of optical communication in a large quantity, and the optical fiber circuit in the existing laser module is complicated; in order to ensure the safe and reliable operation of the equipment, the arrangement design and fixation of the optical fibers in the laser module are very important. To ensure that the optical fibers are routed properly within the module case and to prevent the fibers from breaking, a fiber securing sheet as shown in fig. 1 and 2 is designed to protect. Such optical fiber fixing piece has multiple structural requirements such as bending, slope, hole, etc., and the single shot mould that adopts now, every kind of structure corresponds a mould, puts into another mould processing after having processed a shape again, and workman's troublesome poeration, work efficiency is low, if do not put in place in the mould, deformation or skew can appear in the processing, influence the finished product quality of optical fiber fixing piece.

Thus, the prior art has yet to be improved and enhanced.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing prior art, an object of the utility model is to provide a continuous stamping die of optic fibre stationary blade to solve current optic fibre stationary blade and adopt single shot mold processing to lead to the lower problem of production efficiency.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a continuous stamping die for an optical fiber fixing piece is used for processing a material belt and comprises an upper die stamping assembly and a lower die stamping assembly, wherein the upper die stamping assembly is connected with the lower die stamping assembly;

the material belt is placed in a stamping area of the lower die stamping assembly and positioned, and when the upper die stamping assembly is aligned with the lower die assembly and pressed downwards, the upper die stamping assembly performs stamping operations of punching, shape stamping, bending, flattening and cutting on a processing area on the material belt; the lower die stamping assembly is used for shaping the processing area and providing a cutting edge required by corresponding stamping operation, and the optical fiber fixing piece is ejected and unloaded after being laterally pushed and formed.

In the continuous stamping die for the optical fiber fixing sheet, the upper die assembly comprises an upper die stamping assembly and a lower die assembly, wherein the upper die stamping assembly comprises an upper die base, an upper die unloading spring, an upper die base plate, an upper die inner guide column, an upper die fixing plate, an upper die unloading back plate, an upper die unloading plate, a punch part and a forming part;

the upper die base, the upper die base plate, the upper die fixing plate and the upper die discharging plate are sequentially arranged from top to bottom; the upper die base, the upper die base plate and the upper die fixing plate are installed and positioned through upper die fixing pins; the lower end of a guide post in the upper die sequentially penetrates through corresponding post through holes in the upper die fixing plate and the upper die discharging plate and is inserted into the lower die stamping assembly; the punch head part and the forming part are both arranged on the upper die fixing plate and sequentially penetrate through the upper die discharging back plate and the upper die discharging plate; the punch head part is used for punching a guide pin hole and the shape and the hole of the optical fiber fixing piece on the material belt; the forming part is used for bending, flattening and dividing the material belt correspondingly according to the shape requirement of the optical fiber fixing piece.

In the continuous stamping die for the optical fiber fixing piece, the punch part comprises an upper die guide hole punch, an upper die first outline punch, an upper die second outline punch, an upper die punching punch, a third outline punch, an upper die fourth outline punch, an upper die correction forming male die and an upper die guide needle;

the upper die guide hole punch, the upper die first outline punch, the upper die second outline punch, the upper die punching punch, the third outline punch and the upper die fourth outline punch are all arranged on the upper die fixing plate and penetrate through the upper die discharging back plate and the upper die discharging plate; the upper mould correction forming male and upper mould guide needles are arranged in the upper mould stripper plate.

In the continuous stamping die for the optical fiber fixing piece, the forming parts comprise an upper die downward-bending forming male die, an upper die V-bending forming male die, an upper die downward-bending L-bending forming male die, an upper die downward-bending lower side forming male die, an upper die cutting punch and an upper die slide block punch;

the upper die lower curve forming male die, the upper die V curve forming male die, the upper die downward L curve forming male die, the upper die lower curve lower side forming male die, the upper die cutting punch and the upper die slider punch are all arranged on the upper die fixing plate and penetrate through the upper die discharging back plate and the upper die discharging plate;

go up mould down the curved shaping public side that is used for carrying out ascending V tortuous to the upside that corresponds the processing district in material area, go up mould V curved shaping public side that is used for carrying out V tortuous to the downside in processing district, go up mould down the curved shaping public side that is used for carrying out decurrent L to the upside in processing district and bend, go up mould down curved downside shaping public side that is used for carrying out decurrent bending to the downside in processing district, go up the mould and cut off the drift and be used for cutting apart the optic fibre stationary blade and the material area that go out the processing district, it is used for providing the fashioned side thrust of side thrust to the optic fibre stationary blade to go up the mould slider drift.

In the continuous stamping die for the optical fiber fixing piece, the upper die stamping assembly further comprises an upper die unloading equal-height sleeve; the upper die fixing plate, the upper die discharging back plate and the upper die discharging plate are installed and positioned through upper die discharging equal-height sleeves;

the upper die unloading equal-height sleeve is used for controlling the upper die unloading plate to unload materials in parallel.

In the continuous stamping die for the optical fiber fixing sheet, the upper die stamping assembly further comprises an upper die limiting pin and an upper die stripper guide sleeve, and the upper die limiting pin and the upper die stripper guide sleeve are both arranged in the upper die stripper.

In the continuous stamping die for the optical fiber fixing sheet, the lower die stamping assembly comprises a lower die plate, a lower die floating pin, a lower die base plate, a lower die base, a lower die fixing pin, a material belt bracket, an insert part and a spring part;

the lower die base plate is arranged between the lower die plate and the lower die base, and the lower die plate, the lower die base plate and the lower die base are installed and positioned through lower die fixing pins; the lower die floating pin is arranged in the lower die plate, and the lower die base is arranged on the machine tool; the belt bracket is arranged on one side of the lower die base and is positioned at a belt inlet of the lower die plate, the insert block component is arranged in the lower die plate, and the spring component is arranged in the lower die base plate and the lower die base;

the insert block component is used for providing a pressing surface matched with the shape to shape a machining area and also providing a cutting edge required by corresponding stamping operation; the spring component is used for supporting the sliding block and the ejection pin in the insert block component.

In the continuous stamping die for the optical fiber fixing sheet, the insert part comprises a lower die ejector pin, a lower die side push forming slide block, a slide block fixing insert, a lower die cutting insert, a lower die side push forming stop block, a lower die punching outline and guide pin hole insert, a lower die punching outline insert, a lower die downward bending and upward V bending forming insert and a lower die downward L bending and downward bending forming insert;

the lower die ejector pin is arranged in the lower die forming insert, and the lower die side-pushing forming slide block is arranged in the slide block fixing insert; the slide block fixing insert, the lower die cutting insert, the lower die side push forming stop block, the lower die punching shape and guide pin hole insert, the lower die punching shape insert, the lower die lower bending and upward V bending forming insert and the lower die downward L bending and downward bending forming insert are all arranged in the lower template.

In the continuous stamping die of the optical fiber fixing piece, the spring part comprises a lower die slide block spring, a set screw, a lower die liftout pin spring, a lower die floating lift pin spring and a floating lift pin set screw; the lower die slide block spring, the lower die ejector pin spring and the lower die floating pin spring are all arranged in the lower die base plate and the lower die seat; the stop screw and the floating pin stop screw are both arranged in the lower die seat.

In the continuous stamping die of optic fibre stationary blade, lower mould punching press subassembly still includes the lower mould uide bushing, during the guide through-hole that corresponds on the lower bolster was inserted to the upper end of lower mould uide bushing, during the guide blind hole that corresponds on the lower bolster was inserted to the lower extreme of lower mould uide bushing.

Compared with the prior art, the continuous stamping die for the optical fiber fixing piece is used for processing a material belt and comprises an upper die stamping assembly and a lower die stamping assembly, wherein the upper die stamping assembly is connected with the lower die stamping assembly; the material belt is placed in a stamping area of the lower die stamping assembly and positioned, and when the upper die stamping assembly is aligned with the lower die assembly and pressed downwards, the upper die stamping assembly performs stamping operations of punching, shape stamping, bending, flattening and cutting on a processing area on the material belt; and the lower die stamping component is used for shaping the processing area and providing a cutting edge required by corresponding stamping operation, and the optical fiber fixing sheet is ejected and unloaded after being subjected to side-push forming to obtain the optical fiber fixing sheet. The functions of punching, appearance punching, side-push forming and division of the optical fiber fixing sheet are integrated on one set of continuous stamping die, the optical fiber fixing sheet can be directly produced by repeatedly moving the material belt and stamping, one set of die is not required to be designed for each function to be independently processed as in the prior art, the processing efficiency is improved by one set of die, and the cost of a single-shot die is reduced.

Drawings

FIG. 1 is a schematic view of an optical fiber fixing sheet to be produced.

FIG. 2 is a schematic view of the front and side of the optical fiber fixing sheet to be produced.

Fig. 3 is a schematic view of a continuous stamping die for an optical fiber fixing sheet according to the present invention.

Fig. 4 is an exploded view of the upper die stamping assembly in the continuous stamping die according to the present invention.

Fig. 5 is an exploded view of the lower die stamping assembly in the continuous stamping die provided by the present invention.

Fig. 6 is a schematic view of the upper die stamping assembly in the continuous stamping die provided by the present invention.

Fig. 7 is a schematic view of a lower die stamping assembly in a continuous stamping die provided by the present invention.

Fig. 8 is a schematic diagram of a stamping result of each stamping step of the material belt provided by the present invention.

Detailed Description

The utility model provides a continuous stamping die of optic fibre stationary blade. In order to make the purpose, technical solution and effect of the present invention clearer and clearer, the following description refers to the accompanying drawings and examples to further explain the present invention in detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It is to be understood that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity, operation, or direction from another entity, operation, or direction without necessarily requiring or implying any actual such relationship or order between such entities, operations, or directions. The directional terms upper, lower, left, right, front, rear, front, back, top, bottom and the like that are or may be mentioned in this specification are defined relative to the configurations shown in the drawings, and are relative concepts that may be changed accordingly depending on the position and the use state of the device. Therefore, these and other directional terms should not be construed as limiting terms. In the following description, various parameters and components are described for different configurations of embodiments, and these specific parameters and components are only by way of example and do not limit the embodiments of the present application.

Referring to fig. 3 to fig. 6, a continuous stamping die according to an embodiment of the present invention is mainly used for stamping a material strip to obtain an optical fiber fixing sheet (in this embodiment, the optical fiber fixing sheet is an optical fiber fixing sheet) as shown in fig. 1 and fig. 2. The continuous stamping die comprises an upper die stamping assembly and a lower die stamping assembly, and the upper die stamping assembly is connected with the lower die stamping assembly; the material belt 26 is placed in a punching area of the lower die punching assembly and positioned, and when the upper die punching assembly is aligned with the lower die assembly and pressed downwards, the upper die punching assembly performs punching operations such as punching, shape punching, bending, flattening, dividing and the like on a processing area on the material belt 26; the lower die stamping assembly is used for shaping the processing area and providing a cutting edge required by corresponding stamping operation, and the optical fiber fixing piece is ejected and unloaded after being laterally pushed and formed.

When the punching machine is specifically implemented, the upper die punching component is fixed on the upper workbench of the punching machine, the lower die punching component is fixed on the lower workbench of the punching machine, and the upper workbench drives the upper die punching component to press down the lower die component when pressing down, so that punching is realized. The function of punching, towards appearance, side push shaping, cutting apart the optic fibre stationary blade is integrated on one set of continuous stamping die to this embodiment, has reduced mould cost and manufacturing cost.

Referring to fig. 3 and 4 together, the upper die stamping assembly includes an upper die base 1, an upper die unloading spring 3, an upper die backing plate 4, an upper die inner guide post 6, an upper die fixing plate 19, an upper die unloading back plate 20, an upper die unloading plate 25, a punch part and a forming part;

the upper die base 1, the upper die base plate 4, the upper die fixing plate 19 and the upper die discharging plate 25 are sequentially arranged from top to bottom; the upper die base 1, the upper die base plate 4 and the upper die fixing plate 19 are installed and positioned through the upper die fixing pin 2; the upper die unloading spring 3 is arranged in the upper die base plate 4 and is arranged between the upper die base 1 and the upper die fixing plate 19, and the lower end of the upper die inner guide column 6 sequentially penetrates through corresponding column through holes in the upper die fixing plate 19 and the upper die unloading plate 25 and is spliced with the lower die stamping assembly; the punch head part and the forming part are both arranged on the upper die fixing plate 19 and sequentially penetrate through the upper die discharging back plate 20 and the upper die discharging plate 25, and the punch head part is used for punching a guide pin hole and the shape and the hole of the optical fiber fixing piece on the material belt; the forming part is used for bending, flattening and dividing the material belt correspondingly according to the shape requirement of the optical fiber fixing piece.

In this embodiment, the upper die base 1 is equivalent to an installation plate, and can be used for fixing each plate in the upper die stamping assembly and fixing the whole upper die stamping assembly on an upper workbench of a punch press.

Go up mould fixed pin 2 and be equipped with 2, when installing the location to upper die base 1, last mould backing plate 4 and

upper fixing plate

19, 2 one end (upper end) of going up mould fixed pin 2 insert the round pin through-hole that upper die base 1 corresponds, go up the pinhole and insert the round pin blind hole on the upper fixing plate 19 on the mould backing plate 4 of the other end (lower extreme) of mould fixed pin 2. The holes on the plates are aligned with each other and are arranged in a diagonal manner, and after 2 upper die fixing pins are inserted, the diagonal arrangement can prevent the 3 plates from moving in the horizontal direction during punching, so that the 3 plates are positioned.

The upper die unloading springs 3 are 10, the upper ends of the upper die unloading springs are abutted to the bottom surface of the upper die base 1, and the lower ends of the upper die unloading springs penetrate through the spring through holes in the upper die base plate 4 and are inserted into the spring blind holes in the upper die fixing plate 19 to provide elasticity for die punching and forming unloading.

The upper die inner guide posts 6 are 4, the upper ends of the upper die inner guide posts are abutted against the bottom surface of the upper die base plate 4, the lower ends of the upper die inner guide posts sequentially penetrate through corresponding post through holes in the upper die fixing plate 19, corresponding post through holes in the upper die discharging back plate 20 and corresponding post through holes in the upper die discharging plate 25 and are inserted into the lower die stamping assembly, and the upper die stamping assembly and the lower die stamping assembly play a role in guiding during working.

The upper die fixing plate 19 is arranged between the upper die base plate 4 and the upper die discharging plate back plate 20, and the upper die discharging spring 3, the punch head part and various punch heads and forming parts in the forming part are all arranged in the upper die fixing plate 19. The upper stripper plate back plate 20 is disposed between the upper fixing plate 19 and the upper stripper plate 25. The upper die discharging plate 25 is located below the upper die discharging plate back plate 20, and presses the optical fiber fixing sheet when discharging, so that the optical fiber fixing sheet and the material belt are prevented from moving when forming.

The punch part comprises an upper die guide hole punch 7, an upper die first outline punch 8, an upper die second outline punch 9, an upper die punching punch 10, a third outline punch 11, an upper die fourth outline punch 12, an upper die correction forming male 23 and an upper die guide pin 24; the upper die guide hole punch 7, the upper die first outline punch 8, the upper die second outline punch 9, the upper die punching punch 10, the third outline punch 11 and the upper die fourth outline punch 12 are all arranged on the upper die fixing plate 19 and penetrate through the upper die discharging back plate 20 and the upper die discharging plate 25; the upper correction forming core 23 and the upper guide pin 24 are installed in the upper stripper plate 25.

The number of the upper die guide hole punches 7 is 2, the upper ends of the upper die guide hole punches abut against the bottom surface of the upper die base plate 4, and the lower ends of the upper die guide hole punches sequentially penetrate through a through hole in the upper die fixing plate 19, a through hole in the upper die discharging back plate 20 and a through hole in the upper die discharging plate 25 to punch the material strip 26, that is, the guide pin holes H1 shown in fig. 8 are punched in the material strip 26.

Go up first appearance drift 8 of mould and go up mould second appearance drift 9 and be equipped with 1 respectively, the upper end of 2 appearance drifts all with the bottom surface butt of last mould backing plate 4, the lower extreme of 2 appearance drifts passes first drift through-hole on the upper die fixing plate 19 in proper order, go up the first drift through-hole on the mould backplate 20 of unloading, go up the first drift through-hole on the mould stripper 25 and punch a hole to material area 26, the appearance of the optic fibre stationary blade on the material area 26 promptly, go up mould first appearance drift 8 and punch the concave hole H2 that shows in figure 8, go up mould second appearance drift 9 and punch the horizontal limit in the L shape hole H3 that shows in figure 8.

The number of the upper die punching punches 10 is 1, the upper ends of the upper die punching punches abut against the bottom surface of the upper die base plate 4, and the lower ends of the upper die punching punches sequentially penetrate through a second punch through hole in the upper die fixing plate 19, a second punch through hole in the upper die discharging back plate 20 and a second punch through hole in the upper die discharging plate 25 to punch a material belt 26, namely, a single hole H4 on the optical fiber punching fixing piece shown in figure 8 is punched on the material belt 26.

The number of the upper die third-appearance punch 11 is 1, the upper end of the upper die third-appearance punch 11 is abutted to the bottom surface of the upper die base plate 4, and the lower end of the upper die third-appearance punch passes through a second punch through hole in the upper die fixing plate 19, a second punch through hole in the upper die discharging back plate 20 and a second punch through hole in the upper die discharging plate 25 in sequence to punch a material belt 26, namely, a vertical edge of an L-shaped hole H3 shown in figure 8 is punched on the material belt 26.

The number of the upper die fourth outer punch 12 is 1, the upper end of the upper die fourth outer punch is abutted to the bottom surface of the upper die base plate 4, and the lower end of the upper die fourth outer punch sequentially penetrates through a third punch through hole in the upper die fixing plate 19, a third punch through hole in the upper die discharging back plate 20 and a third punch through hole in the upper die discharging plate 25 to punch a material strip 26, namely, a polygonal hole H5 shown in fig. 8 is punched in the material strip 26.

The forming parts comprise an upper die downward-bending forming male part 13, an upper die V-bending forming male part 14, an upper die downward-L-bending forming male part 15, an upper die downward-bending lower side forming male part 16, an upper die cutting punch 17 and an upper die slide block punch 18; an upper die downward curve forming male 13, an upper die V curve forming male 14, an upper die downward L curve forming male 15, an upper die downward curve lower side forming male 16, an upper die cutting punch 17 and an upper die slider punch 18 are all arranged on an upper die fixing plate 19 and penetrate through an upper die discharging back plate 20 and an upper die discharging plate 25; the upper die downward bending forming male 13 is used for performing upward V bending on the upper side of a corresponding processing area of the material belt 26, the upper die V bending forming male 14 is used for performing V bending on the lower side of the processing area, the upper die downward L bending forming male 15 is used for performing downward L bending on the upper side of the processing area, the upper die downward bending forming male 16 is used for performing downward L bending on the lower side of the processing area, the upper die cutting punch 17 is used for dividing an optical fiber fixing piece punched out of the processing area and the material belt, and the upper die slider punch 18 is used for providing side thrust for the optical fiber fixing piece in side thrust forming.

The upper die downward bending forming male die 13 is provided with one upper die downward bending forming male die, the upper end of the upper die downward bending forming male die is abutted against the bottom surface of the upper die base plate 4, the lower end of the upper die downward bending forming male die sequentially penetrates through a downward bending through hole in an upper die fixing plate 19, a downward bending through hole in an upper die discharging back plate 20 and a downward bending through hole in an upper die discharging plate 25 to perform upward V-bending on the upper side of a processing area, and as shown in step 6 in fig. 8, an upper bending part Z1 at the top of the optical fiber fixing piece shown in fig. 1 is obtained.

The upper die V-shaped forming male die 14 is provided with one upper die, the upper end of the upper die is abutted against the bottom surface of the upper die base plate 4, the lower end of the upper die sequentially penetrates through a V-shaped through hole in the upper die fixing plate 19, a V-shaped through hole in the upper die discharging back plate 20 and a V-shaped through hole in the upper die discharging plate 25 to perform V-shaped bending on the lower side of a processing area, and as shown in step 6 in fig. 8, a side push forming part Z2 and a horizontal bending part Z3 of the optical fiber fixing piece shown in fig. 1 are obtained through pre-bending.

The upper die downward L-bend forming die 15 is provided with one upper die, the upper end of the upper die abuts against the bottom surface of the upper die base plate 4, the lower end of the upper die sequentially penetrates through an L-bend through hole in the upper die fixing plate 19, an L-bend through hole in the upper die discharging back plate 20 and an L-bend through hole in the upper die discharging plate 25 to perform downward L-bend bending on the upper side of a processing area, and as shown in step 9 in fig. 8, an upper bending part Z1 is bent by 90 degrees.

The upper die downward-bending lower side forming male die 16 is provided with one upper die downward-bending lower side forming male die, the upper end of the upper die downward-bending lower side forming male die is abutted to the bottom surface of the upper die base plate 4, and the lower end of the upper die downward-bending upper die lower side forming male die sequentially penetrates through a lower side through hole in an upper die fixing plate 19, a lower side through hole in an upper die discharging back plate 20 and a lower side through hole in an upper die discharging plate 25 to perform downward L-bending on the lower side of a processing area, and as shown in a step 9 in fig. 8, a downward inclined bending part Z shown in fig. 1 is obtained through pre-bending.

The upper die cutting punch 17 is provided with one upper die cutting punch, the upper end of the upper die cutting punch is abutted against the bottom surface of the upper die base plate 4, and the lower end of the upper die cutting punch sequentially penetrates through a lower side through hole in the upper die fixing plate 19, a lower side through hole in the upper die discharging back plate 20 and a lower side through hole in the upper die discharging plate 25 to divide an optical fiber fixing piece and a material belt punched out of a processing area.

The upper die slide block punch 18 is provided with one, the upper end of the upper die slide block punch is abutted against the bottom surface of the upper die base plate 4, and the lower end of the upper die slide block punch passes through the slide block through hole in the upper die fixing plate 19, the slide block through hole in the upper die discharging back plate 20 and the slide block through hole in the upper die discharging plate 25 in sequence, so that side pushing force for side pushing and forming is provided for the optical fiber fixing piece, and the side pushing and forming in the step 12 shown in fig. 8 is realized.

The upper mold correction forming male mold 23 is provided with one upper end abutting against the bottom surface of the upper mold discharging backlight 20 and a lower end inserted into the correction blind hole on the upper mold discharging plate 25 for correction in the forming of the 12 th step as shown in fig. 8.

The number of the upper die guide needles 24 is 23, the upper ends of the upper die guide needles are abutted to the bottom surface of the upper die discharging backlight 20, the lower ends of the upper die guide needles are inserted into guide blind holes in the upper die discharging plate 25 and are used for being inserted into corresponding guide needle holes in the material belt when stamping jumping, the material belt is positioned in each step in the production process, the material belt 26 is gradually pressed to guide the material belt 26 when the upper die stamping assembly descends, and the guide needle holes are used for avoiding and guiding the guide needles. The upper stripper plate back plate 20 is used to limit the upward movement of the upper die guide pin 24 during operation.

Preferably, the upper die stamping assembly further comprises an upper die unloading equal-height sleeve 5; the upper die fixing plate 19, the upper die discharging back plate 20 and the upper die discharging plate 25 are installed and positioned through the upper die discharging equal-height sleeve 5. The number of the upper die unloading equal-height sleeves 5 is 3, the lower ends of the upper die unloading equal-height sleeves 5 are inserted into the corresponding sleeve through holes in the upper die base plate 4, the bottom of the step surface at the upper ends of the upper die unloading equal-height sleeves 5 is abutted to the upper surface of the upper die base plate 4, the lower ends of the upper die unloading equal-height sleeves sequentially penetrate through the corresponding sleeve through holes in the upper die fixing plate 19 and the corresponding sleeve through holes in the upper die unloading back plate 20 and are inserted into the sleeve blind holes in the upper die unloading plate 25, and then the upper die fixing plate 19, the upper die unloading back plate 20 and the upper die unloading plate 25 can be installed and positioned. The length of the 3 upper die discharging equal-height sleeves 5 is kept consistent, so that the horizontal distance between the upper die discharging plate 25 and the upper die fixing plate 19 can be controlled, and the parallel discharging of the upper die discharging plate 25 is ensured.

Preferably, the upper die stamping assembly further comprises an upper die limit pin 21 and an upper die stripper guide sleeve 22, which are both installed in the upper die stripper 25. The upper die limiting pins 21 are 2, the upper ends of the upper die limiting pins are abutted to the bottom surface of the upper die discharging backlight 20, the lower ends of the upper die limiting pins are inserted into limiting blind holes in the upper die discharging plate 25, and the continuous stamping die is limited when the continuous stamping die is downwards in the Z direction (vertical) through the height of the upper die limiting pins 21, so that the optical fiber fixing piece is prevented from being crushed. The number of the upper die discharging plate guide sleeves 22 is 4, the upper ends of the upper die discharging plate guide sleeves are abutted to the bottom surface of the upper die discharging backlight 20, and the lower ends of the upper die discharging plate guide sleeves are inserted into guide sleeve holes in the upper die discharging plate 25. If the guide hole is directly machined in the template, the guide hole clearance is increased due to long-time friction when the guide hole is produced for a long time by the die, so that the precision of the die is reduced or the die is scrapped. After the guide sleeve is adopted, the problem of poor guiding precision of the die caused by overlarge guide sleeve gap due to friction in the stamping process can be solved only by replacing the guide sleeve, the operation of replacing the guide sleeve 22 of the upper stripper plate is convenient, the whole upper stripper plate 25 cannot be scrapped, and the die maintenance cost is reduced; the upper stripper plate back 20 limits the upward movement of the upper stripper guide 22 during operation.

The lower die stamping assembly comprises a lower die plate 27, a lower die floating pin 30, a lower die base plate 39, a lower die base 40, a lower die fixing pin 42, a material belt bracket 47, an insert block component and a spring component; the lower die base plate 39 is arranged between the lower die plate 27 and the lower die base 40, and the lower die plate 27, the lower die base plate 39 and the lower die base 40 are installed and positioned through lower die fixing pins 42; the lower die floating pin 30 is arranged in the lower die plate 27; the lower die holder 40 is used as a base of the continuous stamping die and is arranged on a lower workbench of a punch press; the tape bracket 47 is installed (screwed and fixed) at one side of the lower die holder 40 and is located at the tape inlet of the lower die plate 27, the insert part is installed in the lower die plate 27, and the spring part is installed in the lower die base plate 39 and the lower die holder 40. The insert block component is used for providing a pressing surface matched with the shape to shape the processing area and also providing a cutting edge required by corresponding stamping operation. The spring component is used for supporting the sliding block and the ejection pin in the insert component.

The number of the lower die buoyancy lifting pins 30 is 12, and the lower die buoyancy lifting pins are divided into two rows, the lower ends of the lower die buoyancy lifting pins 30 are inserted into corresponding buoyancy lifting blind holes in the lower die base plate 39, and the upper ends of the lower die buoyancy lifting pins 30 extend out of the buoyancy lifting through holes in the lower die plate 27, so that the material belt 26 can be supported, and feeding is facilitated. The lower die backing plate 39 is used to protect each punching insert and forming insert in the insert parts installed in the lower die plate 27, and increase the compression space of the spring part.

The lower die fixing pins 42 are arranged in an oblique line, the lower ends of the lower die fixing pins are inserted into corresponding fixing pin blind holes in the lower die base 40, and the upper ends of the lower die fixing pins penetrate through the lower die base plate 39 and are inserted into corresponding fixing pin blind holes in the lower die plate, so that the three plates can be positioned. The material belt bracket 47 is provided with a groove, the width of the groove is matched with the width of the material belt, and the material belt is limited by two groove walls of the groove.

The insert part comprises a lower die ejector pin 29, a lower die side push forming slide block 31, a slide block fixing insert 32, a lower die cutting insert 33, a lower die forming insert 34, a lower die punching outline and guide pin hole insert 35, a lower die punching outline insert 36, a lower die downward bending and upward V bending forming insert 37 and a lower die downward L bending and downward bending forming insert 38; the lower die ejector pin 29 is arranged in a lower die forming insert 34, and a lower die side push forming slide block 31 is arranged in a slide block fixing insert 32; a slide fixing insert 32, a lower die cutting insert 33, a lower die forming insert 34, a lower die punch outline and guide pin hole insert 35, a lower die punch outline insert 36, a lower die downward-bending and upward-bending V-bending forming insert 37, and a lower die downward-bending L-bending and downward-bending forming insert 38 are all installed in the lower die plate 27.

The number of the lower die ejector pins 29 is 1, and the lower die ejector pins are used for ejecting the optical fiber fixing piece out of the lower die molding insert 34 after the optical fiber fixing piece is molded.

The number of the lower die side-push forming sliding blocks 31 is 1, the sliding blocks move in sliding holes of the sliding block fixing inserts 32, the sliding block fixing inserts 32 are inserted into corresponding side-push embedding holes in the lower template 27, and the lower die side-push forming is realized after the sliding block fixing inserts 32 and the corresponding side-push embedding holes are combined; the slide fixing insert 32 is used to guide the slide position of the lower mold side push-molding slide 31.

The number of the lower die cutting inserts 33 is 1, which is inserted into the corresponding cutting insert hole on the lower template 27 for providing the lower die cutting edge for cutting the optical fiber fixing piece and the material strip.

The number of the lower mold forming inserts 34 is 1, and the lower mold forming inserts are inserted into corresponding side pushing holes on the lower template 27 and used for limiting the lower mold side pushing forming slide blocks 31 and the slide block fixing inserts 32 during side pushing forming.

The lower die punching profile and guide pin hole insert 35 is provided with 1, which is inserted into a corresponding punching guide hole on the lower template 27 and used for lower die punching material with a guide pin hole and a profile cutting edge.

The number of the lower die punching outline inserts 36 is 1, and the lower die punching outline inserts are inserted into corresponding outline punching holes in the lower template 27 and are used for providing cutting edges for the outline of the lower die punching optical fiber fixing sheet; in combination with the upper die fourth outer punch 12, to punch the polygonal hole H5 shown in fig. 8.

The lower die downward bending and upward V bending molding inserts 37 are provided with 1, which are inserted into corresponding downward V bending holes on the lower die plate 27, and used in cooperation with the upper die downward bending molding male 13 for molding the optical fiber fixing piece at step 6 shown in fig. 8.

The lower die downward L-bend and downward-bend forming inserts 38 are provided in number of 1, and are inserted into corresponding lower L-bend holes of the lower die plate 27, and used in cooperation with the upper die downward-bend lower side forming male 16 for the forming in step 9 shown in fig. 8.

It should be understood that after a product is formed, a corresponding avoidance position needs to be milled at each step of a die, the avoidance positions needing to be milled at the position are more, so that the strength of the die is very weak, and if the die is not designed into an insert, the die is easy to burst; and the insert is easier to replace and more convenient to maintain.

The spring components comprise a lower die slide block spring 41, a set screw 43, a lower die ejector pin spring 44, a lower die floating pin spring 45 and a floating pin set screw 46; the lower die slide block spring 41, the lower die ejector pin spring 44 and the lower die floating pin spring 45 are all arranged in the lower die base plate 39 and the lower die seat 40; the set-stop screw 43 and the floating pin set-stop screw 46 are both arranged in the lower die seat 40.

The number of the lower die slide block springs 41 is 1, the upper ends of the lower die slide block springs penetrate through the slide block spring through holes in the lower die base plate 39 and abut against the bottom of the lower die side push forming slide block 31, and the lower ends of the lower die slide block springs are inserted into the corresponding slide block spring blind holes in the lower die base 40 and used for supporting the lower die side push forming slide block 31.

The number of the lower die ejector pin springs 44 is 1, the upper ends of the lower die ejector pin springs penetrate through ejector pin through holes in the lower die base plate 39 and abut against the bottom of the lower die ejector pin 29, and the lower ends of the lower die ejector pin springs are inserted into corresponding ejector pin blind holes in the lower die base 40 and used for supporting the lower die ejector pin 29.

The number of the stop screws 43 is 2, the upper end of one stop screw is abutted with the bottom of the lower die sliding block spring 41, the upper end of the other stop screw is abutted with the bottom of the lower die ejector pin spring 44, and the lower ends of the two stop screws are inserted into corresponding 2 stop blind holes in the lower die base 40 and are respectively used for limiting the lower die sliding block spring 41 and the lower die ejector pin spring 44.

The number of the lower die floating pin springs 45 is 12, the upper ends of the lower die floating pin springs penetrate through the floating pin through holes in the lower die base plate 39 and are abutted against the bottom of the lower die floating pin 30, and the lower ends of the lower die floating pin springs are inserted into corresponding floating pin blind holes in the lower die base 40 and are used for supporting the lower die floating pin 30.

The number of the floating pin stop screws 46 is 12, the upper end of each floating pin stop screw is abutted against the bottom of the lower die floating pin spring corresponding to the position, and the lower end of each floating pin stop screw is inserted into 2 corresponding floating pin stop blind holes in the lower die seat 40 and used for limiting the lower die floating pin spring.

Preferably, the lower die stamping assembly further comprises 4 lower die guide sleeves 28, that is, the upper ends of the lower die guide sleeves 28 are inserted into the corresponding 4 guide through holes on the lower die plate 27, and the lower ends of the lower die guide sleeves 28 are inserted into the corresponding 4 guide blind holes on the lower die base plate 39. The lower die guide sleeve 28 has the same function as the upper die stripper guide sleeve 22, the problem that the guide precision of the die is deteriorated due to the fact that the gap of the guide sleeve is too large due to friction in the stamping process is solved, the lower die guide sleeve 28 is convenient and quick to operate when replaced, the whole lower die plate cannot be scrapped, and the die maintenance cost is reduced.

It should be understood that the specific shapes of the various punches, molding pins and inserts described above are determined by the shape and structural requirements of the fiber anchor sheet; for example, if the hole H4 on the optical fiber fixing piece is required to be a round hole or a square hole in the implementation, the upper die punching punch 10 is correspondingly configured to be a cylinder or a square column, and the lower die punching profile used in cooperation with the upper die punching punch 10 and the insert hole in the guide pin hole insert 35 are also correspondingly configured to be a round hole or a square hole; it is not limited herein.

Referring to fig. 3 to 8, the punch press is equipped with an automatic feeder, after the continuous stamping die is mounted on the punch press, the automatic feeder is mounted on the lower table of the punch press and aligned with the two rows of lower die lift pins 30 in the lower die stamping assembly, and the feeding length of the automatic feeder is set in the feeder according to the jumping data of the die design. The stamping process of the continuous stamping die for the optical fiber fixing piece comprises the following steps:

step 1, punching a guide pin hole; the strip of material 26 is fed from the strip carrier 47 and placed on the lower platen 27, and after the press is started, 2 upper die guide hole punches 7 are moved downward, penetrating the strip of material 26 and then inserted into the corresponding cutting edges in the lower die punch profile and guide pin hole inserts 35, so that 2 guide pin holes H1 shown in fig. 8 can be punched in the first processing area of the strip of material 26. The auto feeder then transfers the tape 26 into the mold according to the set skip parameter.

Step 2, punching the punched hole with the punched shape; an upper die punching punch 10, an upper die first outline punch 8, an upper die second outline punch 9 and an upper die third outline punch 11 penetrate through a material belt 26 downwards and then are respectively inserted into corresponding cutting edges in a lower die punching outline and guide pin hole insert 35, on a first machining area of the material belt 26, the upper die punching punch 10 punches 1 single hole H4 shown in figure 8, the upper die first outline punch 8 punches a concave hole H2 shown in figure 8, the upper die second outline punch 9 punches a transverse edge of an L-shaped hole H3 shown in figure 8, and the upper die third outline punch 11 punches a vertical edge of the L-shaped hole H3.

Meanwhile, the 1 st operation is performed on the second processing zone.

Step 3, an idle step; indicating that no operation is being performed on the first processing zone. The blank step is used for increasing the strength of the mould and reserving sufficient space for the subsequent mould.

Meanwhile, the 2 nd operation is performed in the second processing zone, and the 1 st operation is performed in the third processing zone.

Step 4, punching the shape; the upper fourth outline punch 12 is inserted downwardly through the strip of material 26 and into the corresponding edge of the lower punch outline insert 36 to punch the polygonal hole H5 in fig. 8 in the first processing region of the strip of material 26 to punch the approximate outline of the product.

Meanwhile, the 3 rd operation is performed in the second processing zone, the 2 nd operation is performed in the third processing zone, and the 1 st operation is performed in the fourth processing zone.

Step 5, an idle step; indicating that no operation was performed on the first processing zone.

Meanwhile, the 4 th operation is performed in the second processing zone, the 3 rd operation is performed in the third processing zone, the 2 nd operation is performed in the fourth processing zone, and the 1 st operation is performed in the fifth processing zone.

Step 6, bending and forming an upward V curve and a downward curve; in the first processing area, the upper die downward bending forming male 13 presses the upper part of the product (the part punched by the concave hole H2) downward against an inclined surface of the lower die downward bending and upward V bending forming insert 37, and performs pre-bending to obtain an upper bending part Z1 (which is not horizontal at this time and has a certain inclination angle) shown in fig. 1; meanwhile, the upper die V-shaped forming male 14 presses the lower part of the product (the part punched by the L-shaped hole H3 and the polygonal hole H5) downwards into the V-shaped groove on the lower die V-shaped forming insert 37 and presses the lower part of the product into the V-shaped groove on the upper die V-shaped forming insert 37, and the side push forming part Z2 and the horizontal bending part Z3 shown in fig. 1 are obtained by pre-bending (at this time, the two parts are not completely folded, and a certain included angle is formed between the side push forming part Z2 and the horizontal bending part Z3).

Meanwhile, the 5 th operation is performed in the second processing zone, the 4 th operation is performed in the third processing zone, the 3 rd operation is performed in the fourth processing zone, the 2 nd operation is performed in the fifth processing zone, and the 1 st operation is performed in the sixth processing zone.

Step 7, an idle step; indicating that no operation is being performed on the first processing zone.

Meanwhile, the 6 th operation is performed in the second processing zone, the 5 th operation is performed in the third processing zone, the 4 th operation is performed in the fourth processing zone, the 3 rd operation is performed in the fifth processing zone, the 2 nd operation is performed in the sixth processing zone, and the 1 st operation is performed in the seventh processing zone.

Step 8, an idle step; indicating that no operation is being performed on the first processing zone.

Meanwhile, the 7 th operation is performed in the second processing zone, the 6 th operation is performed in the third processing zone, the 5 th operation is performed in the fourth processing zone, the 4 th operation is performed in the fifth processing zone, the 3 rd operation is performed in the sixth processing zone, the 2 nd operation is performed in the seventh processing zone, and the 1 st operation is performed in the eighth processing zone.

Step 9, downward L-shaped curve forming; in the first processing area, the upper die downward L-shaped bending forming male die 15 presses an upper bending part Z1 with a certain inclination angle of a product downward on the vertical side surface of the lower die side push forming stop block 34, so that the upper bending part Z1 is bent by 90 degrees; at the same time, the upper mold downward-bending lower-side forming male 16 presses the lower portion of the product (the portion between the lower portion of the single hole H4 and the horizontal bent portion Z3) downward against an inclined surface of the lower mold side-push forming stopper 34, and pre-bends to obtain the downward-inclined bent portion Z shown in fig. 1. The lower die ejector pin 29 is installed in the lower die side push forming stop block 34, and the lower die ejector pin 29 extends out of the lower die side push forming stop block 34 to eject a product.

Meanwhile, the 8 th operation is performed in the second processing zone, the 7 th operation is performed in the third processing zone, the 6 th operation is performed in the fourth processing zone, the 5 th operation is performed in the fifth processing zone, the 4 th operation is performed in the sixth processing zone, the 3 rd operation is performed in the seventh processing zone, the 2 nd operation is performed in the eighth processing zone, and the 1 st operation is performed in the ninth processing zone.

Step 10, an idle step; indicating that no operation was performed on the first processing zone.

Meanwhile, the 9 th operation is performed in the second processing zone, the 8 th operation is performed in the third processing zone, the 7 th operation is performed in the fourth processing zone, the 6 th operation is performed in the fifth processing zone, the 5 th operation is performed in the sixth processing zone, the 4 th operation is performed in the seventh processing zone, the 3 rd operation is performed in the eighth processing zone, the 2 nd operation is performed in the ninth processing zone, and the 1 st operation is performed in the tenth processing zone.

Step 11, an idle step; indicating that no operation is being performed on the first processing zone.

Meanwhile, the 10 th operation is performed in the second processing zone, the 9 th operation is performed in the third processing zone, the 8 th operation is performed in the fourth processing zone, the 7 th operation is performed in the fifth processing zone, the 6 th operation is performed in the sixth processing zone, the 5 th operation is performed in the seventh processing zone, the 4 th operation is performed in the eighth processing zone, the 3 rd operation is performed in the ninth processing zone, the 2 nd operation is performed in the tenth processing zone, and the 1 st operation is performed in the eleventh processing zone.

Step 12, side-pushing and forming; the shape of the top of the lower die downward L-shaped and downward-shaped forming insert 38 is matched with that of the optical fiber fixing piece, namely the top surface of the lower die downward L-shaped and downward-shaped forming insert 38 is attached to the upright part Z5 of the product, the vertical surface which is adjacent to and vertical to one side of the top surface is attached to the upper bending part Z1 of the product, and the inclined surface which is adjacent to the other side of the top surface and forms a certain angle is attached to the lower inclined bending part Z4 of the product; the product can be placed right on top of the lower mold downstroking L and downstroking mold insert 38.

The lower die side push forming sliding block 31 is clamped in the sliding block fixing insert 32, the upper die sliding block punch 18 provides side push forming side push force for the lower die side push forming sliding block 31, the side push forming part Z2 and the flat bending part Z3 are tightly pressed, and an included angle exists between the side push forming part Z2 and the flat bending part Z3. Meanwhile, the upper die correction forming male die 23 downwards compresses a downward inclined bending part Z4 of a product with a downward L curve of the lower die and an inclined plane at the top of the downward bending forming insert 38 for correction, and the influence on the turning angle between the downward inclined bending part Z4 and the horizontal bending part Z3 during lateral pushing can also be avoided.

When the mold descends to the right position, the upper mold correction forming male 23, the lower mold downward L-curve and downward-curve forming insert 38 and the lower mold side-push forming slide block 31 are combined into the shape of the product, so that the product is corrected in the last step of forming.

Meanwhile, the 11 th operation is performed in the second processing zone, the 10 th operation is performed in the third processing zone, the 9 th operation is performed in the fourth processing zone, the 8 th operation is performed in the fifth processing zone, the 7 th operation is performed in the sixth processing zone, the 6 th operation is performed in the seventh processing zone, the 5 th operation is performed in the eighth processing zone, the 4 th operation is performed in the ninth processing zone, the 3 rd operation is performed in the tenth processing zone, the 2 nd operation is performed in the eleventh processing zone, and the 1 st operation is performed in the twelfth processing zone.

Step 13, cutting off and separating the product and the material belt; the upper die cutting punch 17 is inserted downwards into the cutting edge of the lower die cutting insert 33, so that the part shown by the dotted line frame of the product can be cut, the whole punching process can be completed on the first processing area, and the final optical fiber fixing piece can be obtained.

Meanwhile, the 12 th operation is performed in the second processing zone, the 11 th operation is performed in the third processing zone, the 10 th operation is performed in the fourth processing zone, the 9 th operation is performed in the fifth processing zone, the 8 th operation is performed in the sixth processing zone, the 7 th operation is performed in the seventh processing zone, the 6 th operation is performed in the eighth processing zone, the 5 th operation is performed in the ninth processing zone, the 4 th operation is performed in the tenth processing zone, the 3 rd operation is performed in the eleventh processing zone, the 2 nd operation is performed in the twelfth processing zone, and the 1 st operation is performed in the thirteenth processing zone.

To sum up, the utility model provides a continuous stamping die for optical fiber fixing pieces, which integrates the functions of punching, shape punching, forming, side-push forming and cutting, and can obtain the required optical fiber fixing pieces after multiple stamping according to steps; all places participating in punching and shape punching in the lower die punching assembly are designed as inserts, and when a certain amount of inserts are produced, the cutting edges participating in punching are convenient to maintain or replace when worn or damaged, so that the processing life of the die is prolonged; meanwhile, a side-push forming mode is adopted during forming, the size stability of the optical fiber fixing sheet is effectively guaranteed, the size precision and efficiency of the optical fiber fixing sheet are guaranteed, the die adjusting is more convenient and efficient compared with the existing single-shot die, and the die adjusting device is safer than the single-shot die in operation.

The division of the functional modules is only used for illustration, and in practical applications, the functions may be distributed by different functional modules according to needs, that is, the functions may be divided into different functional modules to complete all or part of the functions described above.

It should be understood that equivalents and modifications may be made thereto by those skilled in the art, and all such modifications and alterations are intended to fall within the scope of the appended claims.

Claims

1. A continuous stamping die for an optical fiber fixing sheet is used for processing a material belt and is characterized by comprising an upper die stamping assembly and a lower die stamping assembly, wherein the upper die stamping assembly is connected with the lower die stamping assembly;

2. The continuous stamping die for the optical fiber fixing sheet as claimed in claim 1, wherein the upper die stamping assembly comprises an upper die base, an upper die unloading spring, an upper die base plate, an upper die inner guide post, an upper die fixing plate, an upper die unloading back plate, an upper die unloading plate, a punch part and a forming part;

3. The progressive stamping die for an optical fiber fixing sheet according to claim 2, wherein the punch part includes an upper die guide hole punch, an upper die first profile punch, an upper die second profile punch, an upper die punch, a third profile punch, an upper die fourth profile punch, an upper die correction molding male and an upper die guide pin;

the upper die guide hole punch head, the upper die first outline punch head, the upper die second outline punch head, the upper die punching punch head, the third outline punch head and the upper die fourth outline punch head are all arranged on the upper die fixing plate and penetrate through the upper die discharging back plate and the upper die discharging plate; the upper mould correction forming male and upper mould guide needles are arranged in the upper mould stripper plate.

4. A progressive press die of an optical fiber fixing sheet according to claim 2, wherein the molding parts include an upper die downward curve molding male, an upper die V curve molding male, an upper die downward L curve molding male, an upper die downward curve lower side molding male, an upper die cutting punch and an upper die slider punch;

5. The continuous stamping die for an optical fiber fixing sheet as recited in claim 4, wherein the upper die stamping assembly further comprises an upper die unloading equal-height sleeve; the upper die fixing plate, the upper die discharging back plate and the upper die discharging plate are installed and positioned through upper die discharging equal-height sleeves;

6. The progressive stamping die for optical fiber fixing sheets as defined in claim 5, wherein the upper die stamping assembly further comprises an upper die stopper pin and an upper die stripper guide sleeve, both of which are installed in the upper die stripper.

7. The continuous stamping die for optical fiber fixing sheets as claimed in claim 2, wherein the lower die stamping assembly comprises a lower die plate, a lower die lift pin, a lower die backing plate, a lower die base, a lower die fixing pin, a tape bracket, an insert block part and a spring part;

the lower die base plate is arranged between the lower die plate and the lower die base, and the lower die plate, the lower die base plate and the lower die base are installed and positioned through lower die fixing pins; the lower die floating pin is arranged in the lower die plate, and the lower die base is arranged on a machine tool; the belt bracket is arranged on one side of the lower die base and is positioned at a belt inlet of the lower die plate, the insert block component is arranged in the lower die plate, and the spring component is arranged in the lower die base plate and the lower die base;

the insert block component is used for providing a pressing surface matched with the shape to shape the processing area and also providing a cutting edge required by corresponding stamping operation; the spring component is used for supporting the sliding block and the ejection pin in the insert block component.

8. The progressive stamping die for fiber fixing sheets as defined in claim 7, wherein the insert parts include a lower die ejector pin, a lower die side-push forming slider, a slider fixing insert, a lower die cutting insert, a lower die side-push forming stopper, a lower die contour and guide pin hole insert, a lower die contour insert, a lower die lower-curve and upper-V-curve forming insert, and a lower die lower-curve and lower-L-curve forming insert;

the lower die ejection pin is arranged in the lower die forming insert, and the lower die side-push forming slide block is arranged in the slide block fixing insert; the slide block fixing insert, the lower die cutting insert, the lower die side push forming stop block, the lower die outline punching and guide pin hole insert, the lower die outline punching insert, the lower die downward-bending and upward-V-bending forming insert and the lower die downward-L-bending and downward-bending forming insert are all arranged in the lower die plate.

9. The progressive stamping die for an optical fiber fixing sheet according to claim 8, wherein the spring member includes a lower die slider spring, a set screw, a lower die ejector pin spring, a lower die lift pin spring, and a lift pin set screw; the lower die sliding block spring, the lower die jacking pin spring and the lower die floating pin spring are all arranged in the lower die base plate and the lower die seat; the stop screw and the floating pin stop screw are both arranged in the lower die seat.

10. The continuous punching die of an optical fiber fixing sheet according to claim 9, wherein the lower die punching assembly further comprises a lower die guide sleeve, an upper end of the lower die guide sleeve is inserted into a corresponding guide through hole of the lower die plate, and a lower end of the lower die guide sleeve is inserted into a corresponding guide blind hole of the lower die backing plate.