CN217617438U

CN217617438U - Compact type single-station independent adjustment multipoint bending structure

Info

Publication number: CN217617438U
Application number: CN202221613051.8U
Authority: CN
Inventors: 黄军初; 韩辽源
Original assignee: Anfeinuo Jialixun Haiyan Connection Technology Co ltd
Current assignee: Anfeinuo Jialixun Haiyan Connection Technology Co ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-10-21
Anticipated expiration: 2032-06-24

Abstract

The utility model discloses a compact single-station independent adjustment multipoint bending structure, which relates to the terminal bending processing field, and comprises an upper die, a lower die, a left-side bending component, a right-side bending component, a product, a material belt and a feeding groove, wherein the left-side bending component and the right-side bending component are arranged between the upper die and the lower die, the product is horizontally conveyed along the feeding groove through the material belt, and a lower positioning block is arranged on the lower die below the material belt; a plurality of bending points are symmetrically distributed along the left side and the right side of the product, left bending heads arranged on the left bending assembly correspond to the bending points on the left side of the product one by one, and the left bending assembly drives the left bending heads to bend the left bending points; the right bending head arranged on the right side bending assembly corresponds to the bending point on the right side of the product one by one, and the right side bending assembly drives the right bending head to bend the right side bending point. The utility model discloses utilize vertical height to distribute the structure at upper and lower mould, promote the mode with the help of oblique slider, the dislocation overall arrangement reaches the independent adjustable scheme of angle.

Description

Compact type single-station independent adjustment multipoint bending structure

Technical Field

The utility model relates to a terminal field of processing of bending, concretely relates to compact simplex position independent adjustment multiple spot bending structure.

Background

A terminal is a common electrical wiring component, which is gradually and widely used in various fields, including signal terminals, power terminals, connection terminals, etc., which are connection terminals in an electrical circuit. The existing terminal product is easy to have abnormal size of a stamping product in the production process, needs a secondary bending forming die, considers cost factors, and is small and convenient as far as possible under the premise of meeting the function.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the not enough of prior art existence, and provide a compact simplex position independent adjustment multiple spot bending structure, can realize the multiple spot under single station and bend, and can carry out independent adjustment to each point of bending.

The purpose of the utility model is accomplished through following technical scheme: the compact single-station independent adjustment multipoint bending structure comprises an upper die, a lower die, a left bending assembly, a right bending assembly, a product, a material belt and a feeding groove, wherein the left bending assembly and the right bending assembly are arranged between the upper die and the lower die; a plurality of bending points are symmetrically distributed along the left side and the right side of the product, left bending heads arranged on the left bending assembly correspond to the bending points on the left side of the product one by one, and the left bending assembly drives the left bending heads to bend the left bending points; the right bending head arranged on the right bending component corresponds to the bending point on the right side of the product one by one, and the right bending component drives the right bending head to bend the right bending point.

As a further technical scheme, the material belt and the feeding groove are arranged in parallel in the length direction, and the axial direction of the product is inclined relative to the material belt direction; a first bending point, a second bending point and a third bending point are sequentially distributed on the left side of the product, and a fourth bending point, a fifth bending point and a sixth bending point are sequentially distributed on the right side of the product corresponding to the left bending point.

As a further technical scheme, the left bending assembly comprises a left layer driving mechanism, the left layer driving mechanism is driven by an upper die, and the left layer driving mechanism is used for driving a left layer driving mechanism arranged below the left layer driving mechanism; the left two-layer driving mechanism is used for driving a left scissor type bending block arranged below the left two-layer driving mechanism, and the left bending head is arranged on the left scissor type bending block; the right bending assembly comprises a right first-layer driving mechanism which is driven by the upper die and is used for driving a right second-layer driving mechanism arranged below the right first-layer driving mechanism; the right two-layer driving mechanism is used for driving a right scissor type bending block arranged below the right two-layer driving mechanism, and the right bending head is arranged on the right scissor type bending block.

As a further technical scheme, the left layer of driving mechanism comprises a left layer of wedge blocks a, a left layer of wedge blocks B and a left layer of wedge blocks C which are distributed in parallel along the material belt direction, and the right layer of driving mechanism comprises a right layer of wedge blocks a, a right layer of wedge blocks B and a right layer of wedge blocks C which are distributed in parallel along the material belt direction; each left layer of wedge block and each right layer of wedge block have the same structure and comprise a block end and an inclined plane end, wherein the block end is arranged in the upper die in a sliding manner, and the inclined plane end is used for driving a left second-layer driving mechanism or a right second-layer driving mechanism arranged below the block end to move along the vertical direction.

As a further technical scheme, a layer of return spring fixing block is arranged above the left layer of driving mechanism and the right layer of driving mechanism, a layer of return spring is arranged on one layer of return spring fixing block and faces one side of the block-shaped end, and the layer of return spring is propped against the block-shaped end through a spring pin and used for applying resilience force to the left layer of driving mechanism or the right layer of driving mechanism.

As a further technical scheme, the left-side second-layer driving mechanism comprises a left-side second-layer wedge block A, a left-side second-layer wedge block B and a left-side second-layer wedge block C which are sequentially and correspondingly arranged below the left-side first-layer driving mechanism, and the right-side second-layer driving mechanism comprises a right-side second-layer wedge block A, a right-side second-layer wedge block B and a right-side second-layer wedge block C which are sequentially and correspondingly arranged below the right-side first-layer driving mechanism; each left-side two-layer inclined wedge block and each right-side two-layer inclined wedge block have the same structure and respectively comprise a block-shaped head and an inclined-plane tail, wherein the block-shaped head is provided with a spherical bulge for matching with the inclined-plane end to enable the block-shaped head to slide along the vertical direction relative to the upper die, and the inclined-plane tail is used for matching with and driving a left-side scissor type bending block or a right-side scissor type bending block.

As a further technical scheme, two layers of return spring fixing blocks are arranged on the outer sides of the left two-layer driving mechanism and the right two-layer driving mechanism, two layers of return springs are mounted on the two layers of return spring fixing blocks and face one side of the block-shaped head, and the two layers of return springs are pressed against the block-shaped head and used for applying resilience force to the left two-layer driving mechanism or the right two-layer driving mechanism.

As a further technical scheme, the left scissor-type bending block and the right scissor-type bending block have the same structure and respectively comprise a main body, an inclined plane is arranged at the top of the main body and is used for matching with the tail part of the inclined plane, a connecting plate and a groove are respectively arranged at two sides of the main body, and a central hole is formed in the connecting plate; the left scissors type bending block and the right scissors type bending block are in a group in pairs, and three groups are arranged, wherein a connecting plate of the left scissors type bending block is clamped into a groove corresponding to the right scissors type bending block, a connecting plate of the right scissors type bending block is clamped into a groove corresponding to the left scissors type bending block, bending shafts sequentially penetrate through the central holes, and the left scissors type bending block and the right scissors type bending block rotate around the bending shafts; the bottom of the main body of each left scissor type bending block is provided with a left bending head which is used for contacting and bending a first bending point, a second bending point or a third bending point on the left side of the product; and the bottom of the main body of each right scissor type bending block is provided with a right bending head for contacting and bending a fourth bending point, a fifth bending point or a sixth bending point on the right side of the product.

As a further technical scheme, a bending block return spring is mounted on the main body and abuts against one side of the top of the main body, which is far away from the inclined plane, and is used for applying resilience force to the left scissor type bending block or the right scissor type bending block; the axial direction of the bending shaft is parallel to the axial direction of the product.

As a further technical scheme, a clamping groove is formed in the upper surface of the lower positioning block and used for being clamped into a product in a matching mode; bosses are arranged on the upper surface of the lower positioning block at positions corresponding to the left bending point and the right bending point and are used for being matched with the left bending head and the right bending head to bend the product.

The beneficial effects of the utility model are that:

1. the method has the advantages that the problem of scrapped cost waste caused by abnormal stamping of a large amount of supplied materials is solved in a secondary forming die mode, the number of die forming stations is reduced through optimization of structural design, the size of a die is reduced, the cost of the die is reduced on the premise of meeting the function, and the cost of payment is saved at the lowest cost;

2. the structure is distributed in the thickness space of the upper die and the lower die by utilizing the longitudinal height, and the oblique sliding block pushing mode is adopted to realize the staggered layout, so that the scheme of independent and adjustable angle is achieved;

3. the bending adjusting structure is small, the six bending heads can not interfere with each other, and the angles can be adjusted independently;

4. the whole bending structure only occupies one station in the die, and is suitable for bending products at small intervals and multiple positions and angles.

Drawings

Fig. 1 is the utility model discloses and the mounting structure sketch map of last mould and lower mould.

Fig. 2 is a schematic view of the installation structure of the lower mold (removing the upper mold).

Fig. 3 is a schematic perspective view of the present invention 1.

Fig. 4 is a schematic perspective view of the present invention 2.

Fig. 5 is a schematic structural view of the product and the material belt of the present invention.

Fig. 6 is a schematic structural diagram of the left-side driving mechanism of the present invention.

Fig. 7 is a schematic structural view of a middle-two-layer tapered wedge of the present invention.

Fig. 8 is the mounting structure diagram of the left scissors type bending block and the right scissors type bending block of the utility model.

Fig. 9 is a schematic structural view of the left side scissor type bending block or the right side scissor type bending block of the present invention.

Fig. 10 is a schematic structural view of the middle and lower positioning blocks of the present invention.

Fig. 11 is a flow chart of the bending of the middle product of the present invention.

Description of the reference numerals: the upper die I, the lower die II, the left layer of inclined wedge A1, the left layer of inclined wedge B2, the left layer of inclined wedge C3, the first layer of return spring 4, the first layer of return spring fixing block 5, the right layer of inclined wedge A6, the right layer of inclined wedge B7, the right layer of inclined wedge C8, the left layer of inclined wedge A9, the left layer of inclined wedge B10, the left layer of inclined wedge C11, the second layer of return spring 12, the second layer of return spring fixing block 13, the right layer of inclined wedge A14, the right layer of inclined wedge B15, the right layer of inclined wedge C16, the left scissor type bending block 17, the right scissor type bending block 18, the bending shaft 19, the bending block return spring 20, the product 21, the first bending point 21a, the second bending point 21B, the third bending inclined point 21C, the fourth bending point 21d, the fifth bending point 21e, the sixth bending point 21f, the feeding strip 22, the feeding groove 23, the lower positioning block 24, the left bending head 25, the right bending point 26, the end head 27, the end 28, the fourth bending point 21d, the fifth bending point 21, the spherical end inclined plane 34, the spherical connecting plate 34, the head end 30, the spherical connecting plate 34, the spherical connecting hole 35, the spherical connecting plate 34, the spherical connecting plate 33, the tail connecting plate 35, the spherical connecting hole 38 and the spherical connecting plate 38.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings:

example (b): as shown in fig. 1 to 11, the compact single-station independent adjustment multi-point bending structure includes an upper die I, a lower die II, a left-side bending assembly, a right-side bending assembly, a product 21, a material belt 22 and a feeding chute 23. As shown in fig. 1 and 2, the left bending assembly and the right bending assembly are arranged between the upper die I and the lower die II, the product 21 is horizontally conveyed along a feed chute 23 through a material belt 22, the feed chute 23 is fixed on the lower die II, and a lower positioning block 24 is arranged on the lower die II below the material belt 22 and used for positioning the product 21 to be bent. Referring to fig. 3, 4 and 5, the material belt 22 is arranged in parallel with the length direction of the feeding chute 23, and the axial direction of the products 21 is inclined with respect to the length direction of the material belt 22. As shown in fig. 5, a first bending point 21a, a second bending point 21b and a third bending point 21c are sequentially distributed on the left side of the product 21, a fourth bending point 21d, a fifth bending point 21e and a sixth bending point 21f are sequentially distributed on the right side of the product 21 at positions corresponding to the left bending point, and the left bending point and the right bending point are symmetrical to each other. The left bending heads 25 arranged on the left bending assembly correspond to the bending points on the left side of the product 21 one by one, and the left bending assembly drives the left bending heads 25 to bend the left bending points; the right bending heads 26 arranged on the right-side bending assembly correspond to the bending points on the right side of the product 21 one by one, and the right-side bending assembly drives the right bending heads 26 to bend the right-side bending points.

Further, referring to fig. 3, 4 and 6, the left bending assembly includes a left layer of driving mechanism, and the left layer of driving mechanism includes a left layer of wedge blocks A1, a left layer of wedge blocks B2 and a left layer of wedge blocks C3, which are distributed in parallel along the direction of the material belt 22. The right side bending assembly comprises a right side layer driving mechanism, and the right side layer driving mechanism comprises a right side layer inclined wedge A6, a right side layer inclined wedge B7 and a right side layer inclined wedge C8 which are distributed in parallel along the direction of the material belt 22. As shown in fig. 6, each left-side layer wedge block and each right-side layer wedge block have the same structure and each include a block end 27 and a bevel end 28, where the block end 27 is slidably disposed in the sliding slot of the upper mold I, so that the left-side layer wedge block and the right-side layer wedge block can slide relative to the upper mold I. Preferably, as shown in fig. 1, three push rod connection holes 40 are respectively formed in the left side and the right side of the upper die I, the push rod connection holes 40 correspond to the positions of the block-shaped ends 27 of the left layer of tapered wedge and the right layer of tapered wedge one by one, and an external push rod can extend into the push rod connection holes 40, so as to push the left layer of tapered wedge and the right layer of tapered wedge to slide relative to the upper die I. In addition, the push rod connecting holes 40 are mutually independent, and the sliding distance of the corresponding layer of tapered wedge blocks can be independently adjusted by adjusting the pushing distance of any external push rod, so that the bending point can be independently adjusted. Further, the inclined end 28 is used to drive the left-side second-layer driving mechanism or the right-side second-layer driving mechanism disposed below the inclined end to move in the vertical direction, that is, the inclined structure converts the movement of the first-layer driving mechanism in the horizontal direction into the movement of the second-layer driving mechanism in the vertical direction. As shown in fig. 3 and 4, a layer of return spring fixing block 5 is arranged above the left layer of driving mechanism and the right layer of driving mechanism, and the layer of return spring fixing block 5 is fixed relative to the upper die I. And a layer of return springs 4 are arranged on one side of the layer of return spring fixing block 5 facing the block-shaped end 27, and the layer of return springs 4 are propped against the block-shaped end 27 through spring pins 29 and are used for applying resilience force to the left layer of driving mechanism or the right layer of driving mechanism to enable the left layer of inclined wedge block and the right layer of inclined wedge block to automatically return.

Further, as shown in fig. 3 and 4, the left second-layer driving mechanism includes a left second-layer wedge A9, a left second-layer wedge B10 and a left second-layer wedge C11, which are correspondingly disposed below the left first-layer driving mechanism in sequence. The left-side second-layer inclined wedge A9 is correspondingly matched with the left-side first-layer inclined wedge A1, the left-side second-layer inclined wedge B10 is correspondingly matched with the left-side first-layer inclined wedge B2, and the left-side second-layer inclined wedge C11 is correspondingly matched with the left-side first-layer inclined wedge C3. Correspondingly, the right-side second-layer driving mechanism comprises a right-side second-layer wedge block A14, a right-side second-layer wedge block B15 and a right-side second-layer wedge block C16 which are sequentially and correspondingly arranged below the right-side first-layer driving mechanism. The right second-layer wedge block A14 is correspondingly matched with the right first-layer wedge block A6, the right second-layer wedge block B15 is correspondingly matched with the right first-layer wedge block B7, and the right second-layer wedge block C16 is correspondingly matched with the right first-layer wedge block C8. Referring to fig. 7, each left-side double-layer tapered wedge has the same structure as each right-side double-layer tapered wedge, and includes a block-shaped head portion 30 and a tapered tail portion 31. The block head 30 is provided with a spherical protrusion 32 for matching with the inclined end 28, so that the block head 30 slides relative to the upper die I along the vertical direction, and the left and right layers of inclined wedges are also arranged in the sliding grooves of the upper die I in a relative sliding manner. The inclined plane tail part 31 is used for driving the left scissor type bending block 17 or the right scissor type bending block 18 in a matching way. Preferably, the two layers of actuating mechanism in left side and the two layers of actuating mechanism in right side outside all are equipped with two layers of return spring fixed block 13, two layers of return spring fixed block 13 is fixed to last mould I relatively, go up towards two layers of return spring 12 of one side installation of cubic head 30 on two layers of return spring fixed block 13, two layers of return spring 12 top on cubic head 30 (preferably, as shown in fig. 7, it has the blind hole that supplies two layers of return spring 12 top to support to open on the cubic head 30), a resilience force is applyed to two layers of actuating mechanism in left side or the two layers of actuating mechanism in right side, make two layers of voussoirs in left and right side can self return.

Referring to fig. 8 and 9, the left scissor-type bending block 17 and the right scissor-type bending block 18 have the same structure and both include a main body 33, and an inclined plane 34 is disposed at the top of the main body 33 for matching with the inclined plane tail 31. As shown in fig. 9, the connecting plate 35 is disposed on the left side of the main body 33, the recess 36 is disposed on the right side of the main body 33, and a center hole 37 is formed in the connecting plate 35 perpendicularly to the plane of the connecting plate 35. As shown in fig. 8, the left scissor type bending block 17 and the right scissor type bending block 18 are grouped in pairs, and three groups are provided, wherein the connecting plates 35 of the two groups are respectively clamped in the grooves 36 of the two groups. The bending shaft 19 sequentially penetrates through the center hole 37 of each connecting plate 35, so that the left scissor-type bending block 17 and the right scissor-type bending block 18 can rotate around the bending shaft 19. The bottom of the main body 33 of each left scissor bend block 17 is provided with a left bending head 25 for contacting and bending the first bending point 21a, the second bending point 21b or the third bending point 21c on the left side of the product 21. A right bending head 26 is disposed at the bottom of the main body 33 of each right scissors-type bending block 18, and is used for contacting and bending the fourth bending point 21d, the fifth bending point 21e or the sixth bending point 21f on the right side of the product 21.

Preferably, the bending block return spring 20 is installed on the main body 33, and the bending block return spring 20 abuts against one side (where a blind hole for abutting against the bending block return spring 20 is correspondingly formed) of the top of the main body 33, which is away from the inclined plane 34, so as to apply resilience to the left scissors-type bending block 17 or the right scissors-type bending block 18. As shown in fig. 3 and 4, the axial direction of the bending shaft 19 is parallel to the axial direction of the product 21, so that the left bending head 25 and the right bending head 26 are ensured to correspond to the left and right bending point positions of the product.

As shown in fig. 3 and 10, a clamping groove 38 is formed in the upper surface of the lower positioning block 24 for being clamped into the product 21 in a matching manner; bosses 39 are arranged on the upper surface of the lower positioning block 24 at positions corresponding to the left bending point and the right bending point, and are used for being matched with the left bending head 25 and the right bending head 26 to bend the product 21.

The utility model discloses a working process: during bending, an external push rod extends into the push rod connecting hole 40, so that the left layer of inclined wedge block and the right layer of inclined wedge block are pushed to slide along the sliding groove of the upper die I. The inclined end 28 of the left and right layer of inclined wedge block further pushes the spherical bulge 32 of the left and right layer of inclined wedge block to convert the movement of the first layer of driving mechanism in the horizontal direction into the movement of the second layer of driving mechanism in the vertical direction, the downward movement of the left and right layer of inclined wedge block pushes the left scissors-type bending block 17 and the right scissors-type bending block 18 to swing around the bending shaft 19, as shown in fig. 11, taking the left bending head 25 as an example, the left, middle and right in the figure respectively show the structure of the product after the product is bent before the left side is bent, after the left side is bent, and after the left side is bent, the left and right sides are bent and combined, the bending position of the product 21 before bending shows a bending angle larger than 90 degrees, and the left bending head 25 and the right bending head 26 gradually bend the angle of the product 21 to achieve the effect of 90 degrees or even smaller than 90 degrees. In addition, because the push rod connecting holes 40 on the upper die I are mutually independent, the sliding distance of the corresponding layer of wedge blocks can be independently adjusted by adjusting the pushing distance of any external push rod, and further the bending point can be independently adjusted.

It should be understood that equivalent substitutions or changes to the technical solution and the inventive concept of the present invention should be considered to fall within the scope of the appended claims for the skilled person.

Claims

1. The utility model provides a compact simplex position independent adjustment multiple spot bending structure which characterized in that: the bending device comprises an upper die (I), a lower die (II), a left bending component, a right bending component, a product (21), a material belt (22) and a feeding groove (23), wherein the left bending component and the right bending component are arranged between the upper die (I) and the lower die (II), the product (21) is horizontally conveyed along the feeding groove (23) through the material belt (22), the feeding groove (23) is fixed on the lower die (II), and a lower positioning block (24) is arranged on the lower die (II) below the material belt (22) and used for positioning the product (21) to be bent; a plurality of bending points are symmetrically distributed along the left side and the right side of the product (21), left bending heads (25) arranged on the left bending assembly correspond to the bending points on the left side of the product (21) one by one, and the left bending assembly drives the left bending heads (25) to bend the left bending points; the right bending heads (26) arranged on the right side bending assembly correspond to the bending points on the right side of the product (21) one by one, and the right side bending assembly drives the right bending heads (26) to bend the right side bending points.

2. The compact single-station independent-adjustment multipoint bending structure according to claim 1, characterized in that: the material belt (22) and the feeding groove (23) are arranged in parallel in the length direction, and the axial direction of the products (21) is inclined relative to the direction of the material belt (22); a first bending point (21 a), a second bending point (21 b) and a third bending point (21 c) are sequentially distributed on the left side of the product (21), and a fourth bending point (21 d), a fifth bending point (21 e) and a sixth bending point (21 f) are sequentially distributed on the right side of the product (21) at positions corresponding to the left bending point.

3. The compact, single-station, independent-adjustment, multi-point bending structure of claim 2, wherein: the left bending assembly comprises a left layer driving mechanism which is driven by the upper die (I) and is used for driving a left layer two-layer driving mechanism arranged below the left layer driving mechanism; the left two-layer driving mechanism is used for driving a left scissor type bending block (17) arranged below the left two-layer driving mechanism, and the left bending head (25) is arranged on the left scissor type bending block (17); the right bending assembly comprises a right first-layer driving mechanism which is driven by the upper die (I) and is used for driving a right second-layer driving mechanism arranged below the right first-layer driving mechanism; the right two-layer driving mechanism is used for driving a right scissor type bending block (18) arranged below the right two-layer driving mechanism, and the right bending head (26) is arranged on the right scissor type bending block (18).

4. The compact, single-station, independent-adjustment, multi-point bending structure of claim 3, wherein: the left layer of driving mechanism comprises a left layer of inclined wedge A (1), a left layer of inclined wedge B (2) and a left layer of inclined wedge C (3) which are distributed in parallel along the direction of the material belt (22), and the right layer of driving mechanism comprises a right layer of inclined wedge A (6), a right layer of inclined wedge B (7) and a right layer of inclined wedge C (8) which are distributed in parallel along the direction of the material belt (22); each left layer of wedge block and each right layer of wedge block have the same structure and comprise a block end (27) and an inclined plane end (28), wherein the block end (27) is arranged in the upper die (I) in a sliding manner, and the inclined plane end (28) is used for driving a left layer of driving mechanism or a right layer of driving mechanism arranged below the inclined plane end to move along the vertical direction.

5. The compact, single-station, independent-adjustment, multi-point bending structure of claim 4, wherein: one deck return spring fixed block (5) all are equipped with above left side one deck actuating mechanism and the right side one deck actuating mechanism, go to one side installation one deck return spring (4) of cubic end (27) on one deck return spring fixed block (5), one deck return spring (4) top is on cubic end (27) for exert the resilience force to left side one deck actuating mechanism or right side one deck actuating mechanism.

6. The compact, single-station, independent-adjustment, multi-point bending structure of claim 4, wherein: the left second-layer driving mechanism comprises a left second-layer inclined wedge A (9), a left second-layer inclined wedge B (10) and a left second-layer inclined wedge C (11) which are sequentially and correspondingly arranged below the left first-layer driving mechanism, and the right second-layer driving mechanism comprises a right second-layer inclined wedge A (14), a right second-layer inclined wedge B (15) and a right second-layer inclined wedge C (16) which are sequentially and correspondingly arranged below the right first-layer driving mechanism; each left-side two-layer inclined wedge block and each right-side two-layer inclined wedge block are identical in structure and respectively comprise a block-shaped head portion (30) and an inclined plane tail portion (31), wherein spherical protrusions (32) are arranged on the block-shaped head portion (30) and used for being matched with inclined plane ends (28) to enable the block-shaped head portion (30) to slide relative to an upper die (I) in the vertical direction, and the inclined plane tail portion (31) is used for being matched with and driving a left-side scissor type bending block (17) or a right-side scissor type bending block (18).

7. The compact single-station independent-adjustment multipoint bending structure according to claim 6, further comprising: two layers of actuating mechanism in left side and the two layers of actuating mechanism in right side outside all are equipped with two layers of return spring fixed block (13), go to one side installation two layers of return spring (12) of cubic head (30) on two layers of return spring fixed block (13), and two layers of return spring (12) top is on cubic head (30) for exert the resilience force to two layers of actuating mechanism in left side or the two layers of actuating mechanism in right side.

8. The compact, single-station, independent-adjustment, multi-point bending structure of claim 6, wherein: the left scissor-type bending block (17) and the right scissor-type bending block (18) are identical in structure and respectively comprise a main body (33), an inclined plane (34) is arranged at the top of the main body (33) and is used for being matched with the tail part (31) of the inclined plane, a connecting plate (35) and a groove (36) are respectively arranged on two sides of the main body (33), and a central hole (37) is formed in the connecting plate (35); the left scissors type bending block (17) and the right scissors type bending block (18) are pairwise in a group and are provided with three groups, wherein a connecting plate (35) of the left scissors type bending block (17) is clamped into a groove (36) corresponding to the right scissors type bending block (18), a connecting plate (35) of the right scissors type bending block (18) is clamped into a groove (36) corresponding to the left scissors type bending block (17), a bending shaft (19) sequentially penetrates through each central hole (37), and the left scissors type bending block (17) and the right scissors type bending block (18) rotate around the bending shaft (19); the bottom of the main body (33) of each left scissor type bending block (17) is provided with a left bending head (25) which is used for contacting and bending a first bending point (21 a), a second bending point (21 b) or a third bending point (21 c) on the left side of a product (21); the bottom of the main body (33) of each right scissor type bending block (18) is provided with a right bending head (26) which is used for contacting and bending a fourth bending point (21 d), a fifth bending point (21 e) or a sixth bending point (21 f) on the right side of the product (21).

9. The compact single-station independent-adjustment multipoint bending structure according to claim 8, further comprising: the bending block return spring (20) is mounted on the main body (33), and the bending block return spring (20) abuts against one side, away from the inclined plane (34), of the top of the main body (33) and is used for applying resilience to the left scissor type bending block (17) or the right scissor type bending block (18); the axial direction of the bending shaft (19) is parallel to the axial direction of the product (21).

10. The compact single-station independent-adjustment multipoint bending structure according to claim 2, characterized in that: the upper surface of the lower positioning block (24) is provided with a clamping groove (38) for being matched with a product (21) to be clamped in; bosses (39) are arranged on the upper surface of the lower positioning block (24) at positions corresponding to the left bending point and the right bending point and are used for being matched with the left bending head (25) and the right bending head (26) to bend the product (21).