CN114888145A

CN114888145A - Wiper arm torsional angle forming device

Info

Publication number: CN114888145A
Application number: CN202210830671.5A
Authority: CN
Inventors: 范成志; 李发友; 杨旭东; 杨琪; 高奎龙; 殷德育
Original assignee: Sichuan Fuji Electric Motor Co ltd
Current assignee: Sichuan Fuji Electric Motor Co ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2022-08-12
Anticipated expiration: 2042-07-15
Also published as: CN114888145B

Abstract

A torsional angle forming device for a wiper arm of a windscreen wiper comprises: the mounting part comprises a workbench, one end of the workbench is provided with a vertical plate, one side of the vertical plate is provided with a motor, the output end of the motor penetrates through the vertical plate to be connected with the rotary table, the center of the rotary table is provided with a rotary shaft, the other end of the rotary shaft is rotatably arranged in the V-shaped plate, and the rotary shaft is provided with a clamping groove; the material storage part is arranged above the rotating shaft and comprises a material storage frame, the bottom of the material storage frame is obliquely arranged, a plurality of partition plates are arranged in the material storage frame, a material storage cavity is formed between every two adjacent partition plates, a preset distance is reserved between the bottom of each partition plate and the bottom of the material storage frame and used for allowing flat iron to pass through, and a discharge hole is formed at the lowest end of the bottom of the material storage frame; the transshipment mechanism is arranged corresponding to the discharge port and is positioned right below the discharge port, and comprises a bearing shaft, and a group of symmetrical material receiving grooves are formed along the axis of the bearing shaft; the clamping mechanism is used for clamping the tail of the flat iron. The automatic feeding of treating the shaping band iron is realized to this device, alleviates workman intensity of labour, improves production efficiency to improve the fashioned precision of torsional angle.

Description

Wiper arm torsional angle forming device

Technical Field

The invention belongs to the field of windscreen wiper manufacturing, and particularly relates to a torsional angle forming device for a wiper arm of a windscreen wiper.

Background

The windscreen wiper is a part arranged outside a vehicle windshield and is mainly used for removing pollutants on the windshield so as to ensure the cleanness of the windshield and ensure that a driver has a better view field in the driving process. In the production process of the windscreen wiper, a scraping arm of the windscreen wiper needs to be subjected to angle torsion forming so as to match the gradient of a windshield. The conventional windscreen wiper torsion angle forming device is low in automation degree, a worker is required to feed flat irons to be formed into a torsion angle forming machine one by one, the action is repeated singly, the production efficiency is low, and the problem that the forming precision of the torsion angle of a scraping arm is not ideal exists.

Disclosure of Invention

In order to solve the defects of the prior art, the invention provides the wiper arm torsion angle forming device of the windscreen wiper, so that the flat iron to be formed is automatically fed, the labor intensity of workers is reduced, the production efficiency is improved, and the torsion angle forming precision is improved.

In order to realize the purpose of the invention, the following scheme is adopted:

a torsional angle forming device for a wiper arm of a windscreen wiper comprises:

the mounting part comprises a workbench, one end of the workbench is provided with a vertical plate, one side of the vertical plate is provided with a motor, the output end of the motor penetrates through the vertical plate to be connected with a rotary table, a rotary shaft is mounted at the center of the rotary table, the other end of the rotary shaft is rotatably arranged in a V-shaped plate, the V-shaped plate is arranged on the workbench, a clamping groove is formed in the rotary shaft, and a retaining ring is arranged on the rotary shaft in a penetrating manner;

the material storage part is arranged above the rotating shaft and comprises a material storage frame, the bottom of the material storage frame is obliquely arranged and provided with supporting legs, the supporting legs are connected to the workbench, a plurality of partition plates are arranged in the material storage frame, a material storage cavity is formed between every two adjacent partition plates, a preset distance is arranged between the bottom of each partition plate and the bottom of the material storage frame and used for allowing flat irons to pass through, and a discharge hole is formed in the lowest end of the bottom of the material storage frame;

the transshipment mechanism is arranged corresponding to the discharge port and is positioned right below the discharge port, and comprises a bearing shaft, and a group of symmetrical material receiving grooves are formed along the axis of the bearing shaft;

the clamping mechanism is used for clamping the tail part of the flat iron and comprises a clamping part and a pushing part, the clamping part comprises a support arranged on the workbench, a groove is arranged in the middle of the support, hollow parts are arranged on two sides of the support, stepped holes are formed in two walls of the groove, a telescopic rod penetrates through the stepped holes, a sliding block is arranged below the telescopic rod, two sides of the sliding block are in sliding fit with the inner wall of the hollow parts, and one surface of the sliding block, facing the telescopic rod, is provided with an inclined surface; the propelling part is arranged at the bottom of the sliding block and used for providing clamping force for the clamping part.

Furthermore, circular grooves are formed in two sides of the inner wall of the clamping groove respectively, positioning mechanisms are arranged on two sides of the rotating shaft respectively, and output ends of the positioning mechanisms extend into the circular grooves.

Furthermore, positioning mechanism includes the second cylinder, and the pivot outer wall is located to the second cylinder to be located the draw-in groove side, the output of second cylinder passes the pivot and connects the push pedal, and the push pedal is hidden in circular recess.

Further, the lowest end of the bottom of the material storage frame is provided with an arc-shaped plate, and the arc-shaped plate is positioned on one side of the discharge hole.

Further, the two ends of the discharge port are respectively provided with an ear plate, the two ends of the bearing shaft are respectively provided with a connecting shaft, the connecting shaft penetrates through a sleeve and then is rotatably matched in the ear plates, the connecting shaft at one end is connected with a gear transmission mechanism, the gear transmission mechanism is arranged on one side of the supporting leg, one end of the sleeve is provided with an opening, the other end of the sleeve is connected with the ear plates, the upper side and the lower side of the sleeve are respectively provided with a U-shaped groove, and the U-shaped groove corresponds to the discharge port.

Further, the sleeve is provided with a guide plate extending downwards along the U-shaped groove on the lower side.

Further, propulsion portion includes the ejector pad, and the ejector pad is located the slider bottom, and the ejector pad is domatic towards the one side of slider, and is the least significant near slider one end, and the one end of connecting seat is connected to the ejector pad, and the output of first cylinder is connected to the connecting seat other end, and on the mount pad was located to first cylinder, the other end of workstation was located to the mount pad.

Further, the propelling part still includes the connecting rod, and the one end and the connecting seat of connecting rod are articulated, and the other end is articulated to have the baffle seat, and baffle seat one side is equipped with the expansion plate, and the output of first cylinder is connected to the opposite side, and the expansion plate corresponds the recess setting.

Furthermore, a group of symmetrically arranged sliding grooves are formed in the workbench, the sliding grooves are located right below the hollow portion, and the push block is in sliding fit in the sliding grooves.

Furthermore, a plurality of T-shaped grooves are symmetrically formed in two sides of the material storage frame, and the partition plates are clamped in the T-shaped grooves.

The invention has the beneficial effects that:

1. two material receiving grooves are symmetrically formed in the bearing shaft, so that material taking is completed simultaneously in the material discharging process, and the material taking efficiency is effectively improved.

2. The clamping groove two sides are provided with positioning mechanisms, the other end of the rotating shaft is provided with a clamping mechanism, so that the two ends of the flat iron are clamped and fixed in the angle-twisting forming process, the flat iron is effectively prevented from moving in the angle-twisting forming process, and the angle-twisting forming precision is improved.

3. The one side of slider relative telescopic link adopts the inclined plane structure, and stability is higher when making the slider promote the telescopic link centre gripping band iron.

4. When the flat iron falls into the clamping groove and the position is deviated backwards, the expansion plate is used for pushing the tail of the flat iron, the torsion position of the flat iron at each time is guaranteed to be unchanged, the expansion plate is contracted in the baffle seat after pushing the flat iron, and the moving space is improved for the push plate to push the sliding block to move upwards.

Drawings

The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not intended to limit the scope of the present disclosure.

Fig. 1 shows a side projection elevation view of the present application.

Fig. 2 shows an axonometric view of the external structure of the present application.

Fig. 3 shows a partial view of the present application at a of fig. 2 with the flat iron omitted.

Fig. 4 shows a partial view at B of the present application.

Fig. 5 is a schematic view showing a positional relationship between the stocker and the transfer mechanism according to the present application.

Fig. 6 shows a schematic view of the sleeve structure of the present application.

Fig. 7 shows a schematic view of the internal structure of the stock section and the transfer mechanism of the present application.

Fig. 8 shows a schematic view of the instant state of the flat iron at the discharging port when the receiving trough 311 of the present application rotates to a position right below the discharging port 213.

Fig. 9 shows a schematic view of the state of the flat iron of the present application entering the receiving trough.

Fig. 10 shows a schematic view of the state of the sleeve-enclosed receiving tank of the present application.

The labels in the figure are: 1-flat iron, 100-installation part, 110-workbench, 120-vertical plate, 130-rotary table, 140-rotary shaft, 141-clamping groove, 142-locking screw, 143-retainer ring, 144-circular groove, 145-sliding groove, 150-positioning mechanism, 151-second cylinder, 152-push plate, 160-V-shaped plate, 200-material storage part, 210-material storage frame, 211-partition plate, 212-supporting leg, 213-discharge hole, 214-arc plate, 215-slideway, 216-ear plate, 300-transfer mechanism, 310-bearing shaft, 311-material receiving groove, 320-sleeve, 321-U-shaped groove, 322-guide plate, 323-connecting shaft, 330-gear transmission mechanism, 400-clamping mechanism, 410-clamping part, 411-groove, 412-telescopic rod, 413-sliding block, 414-support, 420-propelling part, 421-pushing block, 422-connecting seat, 423-connecting rod, 424-baffle seat, 425-telescopic plate, 426-first cylinder and 427-mounting seat.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, but the described embodiments of the present invention are a part of the embodiments of the present invention, not all of the embodiments of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only for convenience of describing the present invention and simplifying the description. The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "parallel", "perpendicular", etc. do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; either directly or indirectly through intervening media, or through both elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 to 2, a wiper arm torsion angle forming apparatus for a wiper blade includes: mounting section 100, stock section 200, transfer mechanism 300, and clamping mechanism 400. The material storage unit 200 is disposed above the mounting unit 100, the transfer mechanism 300 is disposed at the lowest end of the material storage unit 200 and between the mounting unit 100 and the material storage unit 200, and the clamping mechanism 400 is disposed at one end of the mounting unit 100.

Specifically, installation department 100 is used for the strutting arrangement main part and provides power and carries out the part spacing for the angle of torsion shaping of band iron 1, and stock portion 200 is used for depositing band iron 1 to from its lowest end to the mechanism 300 of reprinting in the material loading, fixture 400 is used for fixing the band iron 1 afterbody that gets into in installation department 100, and the afterbody that makes band iron 1 when twisting the angle shaping keeps motionless.

Specifically, as shown in fig. 1-2, the mounting portion 100 includes a working table 110, an upright plate 120, a turntable 130, a rotating shaft 140, a set of positioning mechanisms 150, and a V-shaped plate 160, the upright plate 120 is vertically disposed at one end of the working table 110, the turntable 130 is disposed at one side of the upright plate 120, a motor is disposed at the other side of the upright plate 120, an output end of the motor passes through the upright plate 120 to connect with the turntable 130, one end of the rotating shaft 140 is concentrically disposed with the turntable 130, and the other end of the rotating shaft rotates within the V-shaped plate 160, the V-shaped plate 160 is vertically disposed on the working table 110, a V-shaped opening is disposed at the top of the rotating shaft 120, a clamping groove 141 is disposed on the rotating shaft 140, the clamping ring 143 penetrates through the rotating shaft 140, and a locking screw 142 is disposed at one side of the periphery of the clamping ring 143 for fixing the position of the clamping ring 143 on the rotating shaft 140.

Specifically, as shown in fig. 2 to 3, circular grooves 144 are respectively formed on two sides of an inner wall of the clamping groove 141, a movable end of the positioning mechanism 150 penetrates through the rotating shaft 140 and extends into the circular grooves 144, the positioning mechanism 150 includes a second cylinder 151 and a push plate 152, an output end of the second cylinder 151 penetrates through an outer wall of the rotating shaft 140 and extends into the circular grooves 144, an output end of the second cylinder 151 is connected with the push plate 152, and the push plate 152 is hidden in the circular grooves 144.

The specific operation of this embodiment: the flat iron 1 is sequentially loaded into the material storage part 200 along the length direction of the material storage part 200, the flat iron 1 is reloaded into the clamping groove 141 through the reloading mechanism 300, the second cylinder 151 is started, the front end of the flat iron 1 is clamped by the push plate 152 hidden in the circular groove 144, the clamping mechanism 400 is started, the tail part of the flat iron 1 is fixed, the starting motor drives the rotary table 130 to rotate for a preset angle according to a preset direction, so that the rotary shaft 140 rotates, and the flat iron 1 is formed by twisting under the action of the side wall limitation of the clamping groove 141 and the tail part clamping mechanism 400.

Specifically, as shown in fig. 1-2 and 7-10, the material storage portion 200 is disposed above the rotating shaft 140, the material storage portion 200 includes a material storage frame 210, a plurality of partition plates 211, and an arc-shaped plate 214, the bottom of the material storage frame 210 is disposed in an inclined manner, the lowest end of the material storage frame is located right above the rotating shaft 140, the partition plates 211 are disposed at intervals along the length direction of the material storage frame 210, and a material storage cavity is formed between two adjacent partition plates 211 and is used for storing the flat iron 1 and increasing the storage amount of the flat iron 1. The partition plate 211 has a predetermined distance with the bottom of the material storage frame 210, the distance can only enable a flat iron 1 to pass through, so as to form a slide way 215, the slide way 215 is used for providing a slide channel for the flat iron 1, so that the flat iron 1 in each material storage cavity can pass through the slide channel in sequence and smoothly, a material outlet 213 is arranged at the bottom of the material storage frame 210, the material outlet 213 is just right above the rotating shaft 140, an arc-shaped plate 214 is arranged at the joint of the material outlet 213 and the bottom of the material storage frame 210, and the flat iron 1 slides into the material outlet 213 along the arc-shaped plate 214 when reaching the material outlet 213, so that the flat iron falls down more smoothly.

Specifically, deposit material frame 210 both ends symmetry and be equipped with a plurality of T type grooves, T type groove along depositing material frame 210 top and sunken to the bottom to and have between the bottom the distance, baffle 211 card are located T type inslot, and the bottom downwardly extending who deposits material frame 210 is equipped with landing leg 212, and on workstation 110 was located to landing leg 212, discharge gate 213 both ends were equipped with otic placode 216 respectively.

The operation mode of the embodiment is as follows: put into the material stock intracavity with band iron 1 along the length direction of material stock frame 210 in proper order, band iron 1 falls out to the sliding channel in from the material stock intracavity in proper order under the action of gravity, is equipped with arc 214 in the junction of discharge gate 213 and sliding channel minimum, when band iron 1 slided to here, made the smooth and easy discharge gate 213 of slipping out of band iron 1 under the effect of arc 214, effectively avoided band iron 1 to block in here and lead to the ejection of compact failure.

Specifically, the transfer mechanism 300 shown in fig. 2 and 5-10 is disposed corresponding to the discharge port 213 and located right below the discharge port 213, and is configured to receive the flat iron 1 dropped from the discharge port 213 and transfer the flat iron 1 to the slot 141 of the rotating shaft 140. The transshipment mechanism 300 comprises a bearing shaft 310, a group of sleeves 320 and a gear transmission mechanism 330, wherein two ends of the bearing shaft 310 are respectively provided with a connecting shaft 323, the connecting shaft 323 is rotatably arranged in an ear plate 216, a receiving groove 311 is arranged along the axial direction of the bearing shaft 310, the receiving groove 311 is V-shaped, two opposite walls of the receiving groove 311 are provided with preset radians, so that the flat iron 1 can slide into the receiving groove 311 smoothly without clamping, the sleeves 320 are arranged at two ends of the bearing shaft 310, one end of each sleeve 320 is provided with an opening, one end of each sleeve 320 with the opening is oppositely arranged, the other end of each sleeve 320 is connected with the ear plate 216, the outer wall of each sleeve 320 is provided with a group of symmetrical U-shaped grooves 321, the U-shaped grooves 321 are arranged at the upper side and the lower side of the sleeve 320, the U-shaped grooves 321 are arranged corresponding to the discharge hole 213, so that the discharge hole 213, the receiving groove 311 and the U-shaped grooves 321 are positioned at the same vertical height, and the sleeve 320 is used for the receiving groove 311 to be separated from the discharge hole 213, the receiving trough 311 is closed to prevent the flat iron 1 from being thrown out, until the receiving trough 311 is rotated to the U-shaped trough 321 at the bottom of the sleeve 320, the receiving trough 311 is opened again, and the flat iron 1 can fall into the clamping groove 141 from the receiving trough 311.

Alternatively, the gear assembly 330 may employ a synchronous belt drive mechanism to provide power to the transfer mechanism 300

Specifically, as shown in fig. 2, 6, 8, and 9, the sleeve 320 is provided with a guide plate 322 extending downward along a U-shaped groove 321 at the bottom, so that when the receiving groove 311 containing the flat iron 1 is rotated to a position right above the slot 141, the flat iron 1 can smoothly enter the slot 141, and the deviation is avoided during the falling process.

The specific implementation of this example: after the flat iron 1 enters the receiving groove 311 from the discharge hole 213, the flat iron 1 completely enters the receiving groove 311 under the action of gravity, so that the interference between the bearing shaft 310 and the sleeves 320 at the two ends when the bearing shaft 310 rotates is avoided when the flat iron 1 is exposed. The gear transmission mechanism 330 is started to drive the bearing shaft 310 to rotate, when the receiving groove 311 rotates away from the U-shaped groove 321, the receiving groove 311 is sealed by the wall of the sleeve 320, and the flat iron 1 is prevented from being thrown out in the rotating process of the bearing shaft 310. When the receiving groove 311 filled with the flat iron 1 reaches the upper part of the clamping groove 141, the flat iron 1 falls out of the receiving groove 311 and smoothly enters the clamping groove 141 under the action of the guide plate 322, the receiving groove 311 on the other side starts receiving the material, and the transfer efficiency of the flat iron 1 is improved.

Specifically, as shown in fig. 1, 2, and 4, the clamping mechanism 400 is used for clamping the tail of the flat iron 1, and includes a clamping portion 410 and a pushing portion 420.

Specifically, the clamping portion 410 includes a support 414, the support 414 is disposed on the table 110, and is spaced apart from the V-shaped plate 160, the center of the top of the support 414 is recessed downward to form a groove 411, hollow parts are symmetrically arranged on two sides of the groove 411, the hollow parts are positioned on two sides of the groove 411, stepped holes are arranged on two walls of the groove 411, telescopic rods 412 are arranged in the stepped holes in a penetrating mode, one end of each telescopic rod 412 is exposed out of the stepped hole and positioned in the hollow part, the other end of each telescopic rod is hidden in the stepped hole so as to avoid the influence on the flat iron 1 when the flat iron 1 falls, the flat iron 1 can smoothly fall into the groove 411, sliding blocks 413 are arranged below the telescopic rods 412, the sliding blocks 413 are in sliding fit with the inner walls on the two sides of the hollow part, one side of each sliding block 413 facing the telescopic rods 412 is provided with an inclined surface, and the sliding blocks 413 are used for pushing the two telescopic rods 412 to move relatively when sliding upwards, so as to clamp the tail of the flat iron 1, when the sliding block 413 slides downwards, the telescopic rod 412 automatically retracts into the stepped hole.

Specifically, as shown in fig. 1, fig. 2, fig. 4, and fig. 8, the pushing portion 420 includes a pushing block 421, a connecting seat 422, a connecting rod 423, a baffle seat 424, a retractable plate 425, and a first cylinder 426, the pushing block 421 is disposed below the sliding block 413, one surface of the pushing block 421 facing the bottom of the sliding block 413 is a slope surface, and one end close to the sliding block 413 is a lower end, the pushing block 421 is connected to one end of the connecting seat 422, one end of the connecting rod 423 is hinged to the connecting seat 422, the other end is hinged to the baffle seat 424, the retractable plate 425 is disposed on one side of the baffle seat 424, the other side is connected to an output end of the first cylinder 426, the first cylinder 426 is disposed on the mounting seat 427, the mounting seat 427 is disposed at the other end of the workbench 110, a set of symmetrically disposed sliding grooves 145 is disposed on the workbench 110, the sliding grooves 145 are disposed right below the hollow portion, and the pushing block 421 is slidably fitted in the sliding grooves 145.

The specific implementation mode is as follows: the flat iron 1 is sequentially loaded into the material storage cavity in the material storage frame 210, when the gear transmission mechanism 330 is started to enable the material receiving groove 311 to rotate to the position right below the material outlet 213, the gear transmission mechanism 330 is suspended, the flat iron 1 located at the lowest position of the material storage frame 210 begins to fall into the material receiving groove 311 at the moment shown in fig. 7-8, a part of the flat iron 1 shown in fig. 7 and 9 already falls into the material receiving groove 311, the gear transmission mechanism 330 is continuously started after the flat iron 1 completely falls into the material receiving groove 311, the bearing shaft 310 continues to rotate, the sleeves 320 on the two sides of the bearing shaft 310 block the top opening of the material receiving groove 311 in the rotating process, the flat iron 1 is prevented from sliding out of the material receiving groove 311, when the material receiving groove 311 rotates to the position right above the clamping groove 141, the flat iron 1 falls into the clamping groove 141, and the material receiving groove 311 on the other side begins to receive the flat iron 1 at the next torsion angle.

After the band iron 1 falls into the clamping groove 141, the first cylinder 426 is started, the first cylinder 426 pushes the expansion plate 425 to move towards the tail of the band iron 1, the other end of the band iron 1 is enabled to abut against the check ring 143, when the band iron 1 abuts against the check ring 143, the first cylinder 426 continuously pushes, the rear end of the expansion plate 425 is gradually compressed into the baffle seat 424, meanwhile, the baffle seat 424 drives the connecting rod 423 to enable the push block 421 to move along the sliding groove 145, the sliding block 413 is pushed to move upwards, the expansion rod 412 stretches out of the stepped hole and clamps the band iron 1, the band iron 1 is prevented from moving when being twisted, the second cylinder 151 is started, the push plate 152 is enabled to clamp the other end of the band iron 1, then, the motor is started again, the rotating shaft 140 is enabled to rotate, and accordingly the twisted angle forming of the band iron 1 is achieved.

The foregoing is only a preferred embodiment of the present invention and is not intended to be exhaustive or to limit the invention. It will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention.

Claims

1. The utility model provides a wiper arm torsional angle forming device which characterized in that includes:

the mounting part (100) comprises a workbench (110), one end of the workbench (110) is provided with a vertical plate (120), one side of the vertical plate (120) is provided with a motor, the output end of the motor penetrates through the vertical plate (120) to be connected with a rotary table (130), a rotating shaft (140) is mounted at the center of the rotary table (130), the other end of the rotating shaft (140) is rotatably arranged in a V-shaped plate (160), the V-shaped plate (160) is arranged on the workbench (110), a clamping groove (141) is formed in the rotating shaft (140), and a retaining ring (143) penetrates through the rotating shaft (140);

the storage part (200) is arranged above the rotating shaft (140) and comprises a storage frame (210), the bottom of the storage frame (210) is obliquely arranged and provided with supporting legs (212), the supporting legs (212) are connected to the workbench (110), a plurality of partition plates (211) are arranged in the storage frame (210), a storage cavity is formed between every two adjacent partition plates (211), a preset distance is reserved between the bottoms of the partition plates (211) and the bottoms of the storage frame (210) and used for allowing the flat iron (1) to pass through, and a discharge hole (213) is formed in the lowest end of the bottom of the storage frame (210);

the transfer mechanism (300) is arranged corresponding to the discharge hole (213), is positioned right below the discharge hole (213), and comprises a bearing shaft (310), and a group of symmetrical material receiving grooves (311) are formed along the axis of the bearing shaft (310);

the clamping mechanism (400) is used for clamping the tail of the flat iron (1) and comprises a clamping part (410) and a pushing part (420), the clamping part (410) comprises a support (414) arranged on the workbench (110), a groove (411) is arranged in the middle of the support (414), hollow parts are arranged on two sides of the support, stepped holes are formed in two walls of the groove (411), an expansion rod (412) penetrates through the stepped holes, a sliding block (413) is arranged below the expansion rod (412), two sides of the sliding block (413) are in sliding fit with the inner wall of the hollow parts, and one surface, facing the expansion rod (412), of the sliding block (413) is provided with an inclined surface; the pushing part (420) is arranged at the bottom of the sliding block (413) and used for providing clamping force for the clamping part (410).

2. The torsional angle forming device of a wiper arm of a wiper as claimed in claim 1, wherein two sides of the inner wall of the engaging groove (141) are respectively provided with a circular groove (144), two sides of the rotating shaft (140) are respectively provided with a positioning mechanism (150), and the output end of the positioning mechanism (150) extends into the circular groove (144).

3. The torsional angle forming device of the wiper blade of claim 2, wherein the positioning mechanism (150) comprises a second cylinder (151), the second cylinder (151) is disposed on the outer wall of the rotating shaft (140) and located on the side of the locking slot (141), the output end of the second cylinder (151) passes through the rotating shaft (140) and is connected to the pushing plate (152), and the pushing plate (152) is hidden in the circular groove (144).

4. The torsional angle forming device of a wiper arm of a wiper as claimed in claim 1, wherein the lowest end of the bottom of the material storage frame (210) is provided with an arc-shaped plate (214), and the arc-shaped plate (214) is located at one side of the discharge hole (213).

5. The torsional angle forming device of the wiper arm of the wiper blade of claim 1, wherein the two ends of the discharging hole (213) are respectively provided with the ear plate (216), the two ends of the bearing shaft (310) are respectively provided with the connecting shaft (323), the connecting shaft (323) is rotatably fitted in the ear plate (216) after passing through a sleeve (320), the connecting shaft (323) at one end is connected with the gear transmission mechanism (330), the gear transmission mechanism (330) is arranged at one side of the supporting leg (212), one end of the sleeve (320) is provided with the opening, the other end of the sleeve is connected with the ear plate (216), the upper side and the lower side of the sleeve (320) are respectively provided with the U-shaped groove (321), and the U-shaped groove (321) is arranged corresponding to the discharging hole (213).

6. The torsion angle molding apparatus for wiper arms of claim 5, wherein the sleeve (320) is provided with a guide plate (322) extending downward along the lower U-shaped groove (321).

7. The torsional angle forming device of wiper blade of claim 1, wherein the pushing portion (420) comprises a push block (421), the push block (421) is located at the bottom of the sliding block (413), one surface of the push block (421) facing the sliding block (413) is a slope surface, and one end of the push block (421) close to the sliding block (413) is the lowest end, the push block (421) is connected with one end of the connecting seat (422), the other end of the connecting seat (422) is connected with the output end of the first cylinder (426), the first cylinder (426) is arranged on the mounting seat (427), and the mounting seat (427) is arranged at the other end of the workbench (110).

8. The torsional angle forming device of wiper arm of claim 7, wherein the pushing part (420) further comprises a connecting rod (423), one end of the connecting rod (423) is hinged with the connecting base (422), the other end is hinged with a baffle seat (424), one side of the baffle seat (424) is provided with a telescopic plate (425), the other side of the baffle seat is connected with the output end of the first cylinder (426), and the telescopic plate (425) is arranged corresponding to the groove (411).

9. The torsional angle forming device of a wiper arm of a wiper as described in claim 7, wherein a set of symmetrically disposed slide grooves (145) are formed on the table (110), the slide grooves (145) are located right below the hollow portion, and the push block (421) is slidably fitted in the slide grooves (145).

10. The torsional angle forming device of a wiper arm of a wiper as claimed in claim 1, wherein a plurality of T-shaped grooves are symmetrically formed at both sides of the material storage frame (210), and the partition plates (211) are clamped in the T-shaped grooves.