CN214133676U

CN214133676U - It uses supplementary feed arrangement to upgrade mould

Info

Publication number: CN214133676U
Application number: CN202023329032.6U
Authority: CN
Inventors: 伍富贵
Original assignee: Hangzhou Jiheng Electromechanical Co ltd
Current assignee: Hangzhou Jiheng Electromechanical Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-09-07
Anticipated expiration: 2030-12-30

Abstract

The application relates to the technical field of stamping die accessories, in particular to an auxiliary feeding device for a progressive die, which comprises a rack, wherein an unwinding mechanism for unwinding a steel strip and a power mechanism for providing steel strip conveying power are sequentially arranged on the rack along the length direction of the rack; unwinding mechanism sets up the carousel in the frame including rotating, is a plurality of arc that are used for the cover to establish the steel band that the circumference was arranged on the carousel, and is a plurality of the arc radially slides the setting on the carousel along the carousel, be equipped with on the carousel and be used for ordering about the arc and slide the extension subassembly in order to prop up tight steel band. The feeding efficiency is improved, the steel belt is guaranteed to enter the progressive die along a normal track, and punching processing is carried out at the corresponding station.

Description

It uses supplementary feed arrangement to upgrade mould

Technical Field

The application relates to the technical field of stamping die accessories, in particular to an auxiliary feeding device for a progressive die.

Background

The stamping die is a special technological equipment for processing metal steel strips or non-metal steel strips into parts or semi-finished products. The method can be divided into progressive dies and single-process dies according to process combination classification. The progressive die is characterized in that a roll material or a long strip material enters from one end of the die, moves forwards according to a fixed step pitch, finishes one process every step, and finally finishes the processing of one product through a plurality of processes.

In the related art, the steel strip feeding of the progressive die is manually completed, but the feeding efficiency is low and the physical consumption of personnel is large.

SUMMERY OF THE UTILITY MODEL

In order to improve feeding efficiency, ensure that the steel band gets into the mould and carries out stamping process at the station department that corresponds along normal orbit, this application provides a mould upgrades with supplementary feed arrangement.

The application provides a pair of upgrade supplementary feed arrangement for mould adopts following technical scheme:

an auxiliary feeding device for a progressive die comprises a rack, wherein an unwinding mechanism for unwinding a steel strip and a power mechanism for providing steel strip conveying power are sequentially arranged on the rack along the length direction of the rack;

unwinding mechanism sets up the carousel in the frame including rotating, is a plurality of arc that are used for the cover to establish the steel band that the circumference was arranged on the carousel, and is a plurality of the arc radially slides the setting on the carousel along the carousel, be equipped with on the carousel and be used for ordering about the arc and slide the extension subassembly in order to prop up tight steel band.

By adopting the technical scheme, the unreeling mechanism unreels the steel coil, the power mechanism is used for providing power for driving the unreeled steel strip to be conveyed, so that the steel strip moves towards the direction of a subsequent progressive die, the linking mechanism plays a role in connecting the steel strip between the feeding device and the progressive die, so that the unreeled steel strip is conveyed to the progressive die well, the feeding efficiency is improved in the whole process, and the steel strip is ensured to enter the progressive die along a normal track and to be stamped at a corresponding station;

the expansion assembly drives all the arc plates to move towards the direction far away from the center of the turntable, so that the arc plates expand outwards to abut against the steel strip coil, the steel strip coil is locked on the turntable, and the steel strip coil is unreeled by rotating the turntable; the expansion assembly drives all the arc plates to move towards the direction close to the center of the turntable, so that all the arc plates contract inwards, and the initial installation of the steel strip coil on the turntable is realized.

Preferably, the power mechanism comprises a limiting component for limiting the conveying direction of the steel strip, a driving component for providing movement of the steel strip, and a pressing and attaching component for pressing and attaching and flattening the steel strip.

Through adopting above-mentioned technical scheme, spacing subassembly restricts the direction of delivery of steel band, makes the steel band drive in getting into drive assembly along the exact direction, presses to attach the subassembly and is used for pushing down the effect to the steel band, improves the drive effect of drive assembly to the steel band, does benefit to the pressure of steel band to attach the exhibition paper simultaneously.

Preferably, the limiting assembly comprises a limiting roller rotatably connected to the rack, two limiting rings slidably sleeved on the peripheral wall of the limiting roller, and a locking part arranged on the limiting rings and used for locking the positions of the limiting rings on the limiting roller, and the steel belt is conveyed between the two limiting rings.

Through adopting above-mentioned technical scheme, the steel band passes through in the top of spacing roller, adjusts the position of spacing ring on spacing roller, makes the steel band pass through between two spacing rings, locks respectively through the position of locking part to two spacing rings again, so two spacing rings form the limiting action to the steel band, reduce the steel band and take place the skew transmission direction's the condition in transportation process and take place.

Preferably, a limiting groove along the radial direction of the limiting ring is formed in the limiting ring, and the locking part comprises a limiting block arranged in the limiting groove in a sliding manner and a first screw rod used for driving the limiting block to slide so as to abut against the peripheral wall of the limiting roller.

Through adopting above-mentioned technical scheme, rotate first lead screw and drive the stopper and slide in the spacing groove, make the stopper support tightly on spacing roller, realize the locking of spacing ring on spacing roller, easy operation and practicality.

Preferably, the drive assembly includes a plurality of drive rollers rotatably connected to the frame and arranged along the length direction of the frame, a chain wheel arranged at the end of each drive roller, a first motor arranged on the frame and used for driving the chain wheel to rotate, and a chain sleeved on all the chain wheels.

Through adopting above-mentioned technical scheme, first motor drives one of them sprocket and rotates, and the sprocket passes through all sprockets of chain drive and rotates, realizes the drive of all drive rollers to the power that provides the steel band and carry.

Preferably, the pressing and attaching assembly comprises a support arranged on the rack, a supporting block arranged on the support in a sliding mode along the vertical direction, and a pressing roller arranged on the supporting block in a rotating mode, and the support is rotatably connected with a second screw rod used for driving the supporting block to slide.

Through adopting above-mentioned technical scheme, rotate the second lead screw, the second lead screw drives the supporting shoe and slides on the support, makes the compression roller on the supporting shoe attach the steel band pressure on the drive roller to improve the drive effort of drive roller to the steel band, have the flat effect of exhibition simultaneously to the steel band.

Preferably, the device also comprises a connecting mechanism which plays a connecting role before entering the progressive die, wherein the connecting mechanism comprises two vertical plates fixedly arranged on the ground and a supporting roller rotatably arranged between the two vertical plates and used for bearing the steel belt.

By adopting the technical scheme, the supporting roller supports the steel belt output from the driving wheel, the contact between the steel belt and the ground is reduced, and the steel belt can better enter the progressive die for stamping.

Preferably, the expansion assembly comprises an air cylinder arranged at the center of the rotary table and a plurality of connecting rods rotatably hinged on the circumferential wall of the air cylinder, a piston rod at the output end of the air cylinder is fixedly arranged at the center of the rotary table, the connecting rods are correspondingly arranged with the arc-shaped plates, and one end of each connecting rod, which is close to the corresponding arc-shaped plate, is rotatably hinged on the arc-shaped plate.

By adopting the technical scheme, the cylinder is started, the piston rod of the cylinder is fixed on the turntable, the piston rod pushes the cylinder away from the turntable, the cylinder drives all the connecting rods to rotate, the arc plates slide on the turntable, so that the distance between the cylinder and the arc plates is changed by the rotation of the connecting rods, the expansion and contraction of all the arc plates are realized, and the locking and installation of the steel strip coil on the turntable are realized.

Preferably, the extension assembly comprises a screw rod fixedly arranged at the center of the turntable, a threaded sleeve sleeved on the screw rod and in threaded fit with the screw rod, a sleeve rod sleeved on the threaded sleeve and rotating around a central shaft of the threaded sleeve, a plurality of connecting rods hinged on the sleeve rod, and a second motor for driving the threaded sleeve to rotate, wherein the plurality of connecting rods are correspondingly arranged with the plurality of arc-shaped plates, and one end of each connecting rod, which is close to the corresponding arc-shaped plate, is rotatably hinged on the arc-shaped plate.

Through adopting above-mentioned technical scheme, the second motor drives the swivel nut and rotates, and the swivel nut passes through the axial displacement of screw rod along the thread engagement effect, and the swivel nut drives the synchronous axial displacement of loop bar, and the removal of loop bar drives all connecting rods and rotates, because of the arc sets up that slides on the carousel, so the rotation of connecting rod changes the distance between cylinder and the arc, realizes the expansion and the shrink of all arcs, realizes rolling up locking and installation on the carousel to the steel band.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the steel coil is uncoiled by the arc-shaped plate on the turntable, the driving roller is used for providing power for driving the uncoiled steel strip to be conveyed, and the supporting roller plays a role in connecting the steel strip between the feeding device and the progressive die, so that the uncoiled steel strip is better conveyed to the progressive die, the feeding efficiency is improved in the whole process, the steel strip is ensured to enter the progressive die along a normal track and is subjected to stamping processing at a corresponding station;

2. the driving cylinder or the second motor drives all the arc plates to move towards the direction far away from the center of the turntable, so that the arc plates are outwards expanded to abut against the steel strip coil, the steel strip coil is locked on the turntable, and the steel strip coil is unreeled by rotating the turntable;

3. the limiting rings on the limiting rollers limit the conveying direction of the steel strip, so that the steel strip is conveyed to the subsequent process along the correct direction.

Drawings

FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present application;

fig. 2 is a schematic structural diagram of an unwinding mechanism in embodiment 1 of the present application;

fig. 3 is a schematic structural diagram of a power mechanism in embodiment 1 of the present application;

fig. 4 is a schematic cross-sectional view of the power mechanism according to embodiment 1 of the present application;

FIG. 5 is an enlarged partial schematic view of portion A of FIG. 4;

fig. 6 is a schematic view of the internal structure of the power mechanism according to embodiment 1 of the present application;

fig. 7 is a schematic structural diagram of an unwinding mechanism in embodiment 2 of the present application.

Description of reference numerals: 1. a frame; 2. an unwinding mechanism; 3. a power mechanism; 4. a turntable; 5. an arc-shaped plate; 6. a through groove; 7. a screw; 8. a threaded sleeve; 9. a loop bar; 10. a connecting rod; 11. a second motor; 12. a gear; 13. a gear sleeve; 14. a limiting roller; 15. a limiting ring; 16. a limiting block; 17. a first lead screw; 18. a limiting groove; 19. a drive roller; 20. a first motor; 21. a support; 22. a sprocket; 23. a chain; 24. a support block; 25. a compression roller; 26. a second lead screw; 27. a vertical plate; 28. a support roller; 29. a cylinder body; 30. a piston rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

Example 1:

as shown in fig. 1, an auxiliary feeding device for a progressive die comprises a frame 1, wherein an unwinding mechanism 2 and a power mechanism 3 are sequentially arranged on the side wall of the frame 1 along the length direction thereof. The unwinding mechanism 2 is used for releasing and flattening the steel strip coil, and the power mechanism 3 is used for driving the flattened steel strip to be conveyed to subsequent processes and providing power for the steel strip to enter the progressive die.

As shown in fig. 1 and fig. 2, in detail, the unwinding mechanism 2 includes a turntable 4 rotatably connected to a side wall of the frame 1, and a plurality of arc plates 5 disposed on the turntable 4. In the embodiment, the rotating disk 4 is a circular plate, the number of the arc plates 5 is four, and the four arc plates 5 are uniformly arranged on the circumference of the side wall of the rotating disk 4. Four through grooves 6 are formed in the rotary table 4, and the four through grooves 6 are uniformly arranged on the periphery of the rotary table 4. The arc plates 5 correspond to the through grooves 6 one by one, and one ends of the arc plates 5, which are close to the through grooves 6, are clamped on the through grooves 6 and arranged in a sliding manner, so that the four arc plates 5 all slide along the radial direction of the rotary table 4.

As shown in fig. 2, the turntable 4 is provided with an expansion assembly, and the expansion assembly is used for driving the four arc plates 5 to slide. When the steel strip coil is sleeved on the peripheries of the four arc-shaped plates 5, the four arc-shaped plates 5 move in the direction away from the center of the turntable 4, the steel strip coil is tightly pressed by the peripheral walls of the four arc-shaped plates 5, and the condition that the steel strip coil falls off from the arc-shaped plates 5 in the unwinding process is reduced; the four arc plates 5 move towards the direction close to the center of the rotary table 4, so that the four arc plates 5 shrink towards the center of the rotary table 4, and the initial installation of the steel strip coil on the rotary table 4 is facilitated.

The expansion assembly comprises a screw 7 fixed at the center of the turntable 4, a threaded sleeve 8 sleeved on the screw 7 in a threaded manner, a loop bar 9 sleeved on the peripheral wall of the threaded sleeve 8 in a rotating manner, a plurality of connecting rods 10 hinged on the loop bar 9 in a rotating manner and a second motor 11.

Wherein, the thread fit between the threaded sleeve 8 and the screw 7, so the threaded sleeve 8 is rotated to make the threaded sleeve 8 move along the axial direction of the screw 7. An annular block is fixed on the peripheral wall of the threaded sleeve 8, and an annular groove for matching and clamping the annular block is formed in the inner wall of the loop bar 9, so that the loop bar 9 rotates on the threaded sleeve 8 and is axially limited, and the threaded sleeve 8 drives the loop bar 9 to move along the axial direction of the screw rod 7.

In the present embodiment, four sets of the connecting rods 10 are provided, and each set corresponds to the arc-shaped plates 5 one by one. One end of the connecting rod 10 close to the loop bar 9 is rotatably hinged on the peripheral wall of the loop bar 9, and one end of the connecting rod 10 close to the arc-shaped plate 5 is also rotatably hinged with the arc-shaped plate 5.

As shown in fig. 1 and 3, a second motor 11 is fixed on the peripheral wall of the loop bar 9, and a gear 12 is fixedly connected to an output end of the second motor 11. An annular gear sleeve 13 is fixed on the peripheral wall of the end part of the screw sleeve 8, the gear sleeve 13 is meshed with the gear 12, so that the second motor 11 drives the screw sleeve 8 to rotate on the screw rod 7, the screw sleeve 8 drives the sleeve rod 9 to axially move, the connecting rod 10 is driven to rotate, and the arc-shaped plate 5 slides on the rotary table 4 under the action of the connecting rod 10 to achieve the effect of expansion or contraction.

The power mechanism 3 comprises a limiting component, a driving component and a pressing component. Wherein, spacing subassembly is used for carrying out the ascending restriction of direction of delivery to the steel band, reduces steel band direction of delivery's skew. The driving assembly is used for providing power for moving the steel strip. The pressing and attaching assembly is used for pressing and attaching and flattening the steel strip.

As shown in fig. 3 and 4, the limiting assembly specifically includes a limiting roller 14 rotatably connected to the frame 1, two limiting rings 15 slidably sleeved on the peripheral wall of the limiting roller 14, and a locking member disposed on the limiting rings 15. The limiting roller 14 is used for receiving a steel strip, so that the steel strip passes through the upper part of the limiting roller 14, and the steel strip passes through the space between the two limiting rings 15, so that the limiting rings 15 limit the conveying direction of the steel strip. The locking component is used for locking the position of the limiting ring 15 on the limiting roller 14, and the sliding of the limiting ring 15 during limiting is reduced.

As shown in fig. 3 and 5, the locking member includes a stopper 16 and a first lead screw 17. Wherein, the inner wall of the limit ring 15 is provided with a limit groove 18, and the limit groove 18 is arranged along the radial direction of the limit ring 15. The limiting block 16 slides in the limiting groove 18 with a clearance, and the first screw rod 17 penetrates through the peripheral wall of the limiting ring 15 and is in threaded fit with the limiting ring 15. One end of the first screw rod 17 close to the limiting block 16 is rotatably connected with the limiting block 16. When the limiting ring 15 needs to be locked, the first screw rod 17 is screwed, so that the first screw rod 17 drives the limiting block 16 to move radially, the limiting block 16 abuts against the peripheral wall of the limiting roller 14, and the limiting ring 15 is locked on the limiting roller 14 through friction force.

As shown in fig. 3 and 6, the drive assembly includes a plurality of drive rollers 19 and a first motor 20. A bracket 21 is fixed on the frame 1, a plurality of driving rollers 19 are arranged along the length direction of the bracket 21, and each driving roller 19 is rotatably connected on the side wall of the bracket 21. A chain wheel 22 is fixed at one end of each driving roller 19 far away from the machine frame 1, and a chain 23 is sleeved between the chain wheel 22 and the chain wheel 22. The first motor 20 is fixed on the side wall of the bracket 21, the output end of the first motor 20 is fixed on the chain wheel 22 close to one end of the limit roller 14, and the first motor 20 drives the chain wheel 22 to rotate. Thereby realizing the rotation of all the driving rollers 19, the steel belt passes through the driving rollers 19, and the steel belt is driven by the driving rollers 19 to be transported backwards.

The pressing and attaching assembly includes a supporting block 24, a plurality of pressing rollers 25, and a plurality of second lead screws 26. The support block 24 is slidably disposed on the bracket 21 along a vertical direction, and the second lead screw 26 penetrates through a top wall of the bracket 21 and is in threaded fit with the top wall of the bracket 21. One end of the second lead screw 26 close to the supporting block 24 is rotatably connected with the supporting block 24. The plurality of pressing rollers 25 are arranged in a row along the length direction of the frame 21, and all the pressing rollers 25 are rotatably provided on the frame 21. Therefore, the second screw rod 26 is rotated, so that the second screw rod 26 drives the supporting block 24 to slide in the vertical direction, and the supporting block 24 drives the pressing roller 25 to move synchronously, so that the pressing roller 25 is pressed on the steel belt, and the steel belt is flattened.

As shown in fig. 1, the distance before entering the progressive die is longer, so that in order to reduce the falling of the steel strip onto the ground, a connection mechanism is arranged on the ground for receiving the transportation of the steel strip, so that the steel strip can be better transported before entering the progressive die.

The connecting mechanism comprises two vertical plates 27 and supporting rollers 28, wherein the two vertical plates 27 are fixedly placed on the ground, the supporting rollers 28 are rotatably connected between the two supporting rollers 28, and the supporting rollers 28 are arranged along the horizontal direction. The support rollers 28 are disposed at the top ends of the risers 27 to preferably receive the steel belts.

The implementation principle is as follows:

sleeving the steel strip coil on the arc-shaped plate 5, and starting the second motor 11 to enable the arc-shaped plate 5 to lock the steel strip coil on the rotary table 4;

the steel strip coil is unfolded partially, so that the steel strip sequentially passes through the limiting roller 14, the bracket 21 and the supporting roller 28, the positions of the two limiting rings 15 are adjusted, and the first screw rod 17 is screwed down to be locked, so that the limiting effect on the steel strip is realized;

operating the second screw rod 26 to rotate, so that the compression roller 25 is tightly pressed on the steel belt;

starting a first motor 20 to enable a driving roller 19 to drive the steel belt to be transported backwards;

the uncoiled steel strip is well conveyed to the progressive die, the feeding efficiency is improved in the whole process, the steel strip is ensured to enter the progressive die along a normal track, and the steel strip is stamped at a corresponding station.

Example 2:

this example differs from example 1 in that:

as shown in fig. 7, the expansion assembly includes a cylinder and a plurality of connecting rods 10. Wherein, the cylinder includes cylinder body 29 and piston rod 30 that slides on cylinder body 29. One end of the piston rod 30 is fixed at the center of the circle of the turntable 4, the connecting rods 10 are respectively hinged on the cylinder body 29 in a rotating manner, the connecting rods 10 correspond to the arc-shaped plate 5 in position, and one end of each connecting rod 10 close to the arc-shaped plate 5 is hinged on the arc-shaped plate 5 in a rotating manner.

The implementation principle is as follows:

after the cylinder is started, the piston rod 30 fixed on the turntable 4 pushes the cylinder body 29 away from the turntable 4, and the cylinder body 29 drives all the connecting rods 10 to rotate, so that all the arc-shaped plates 5 are pushed to slide on the turntable 4, and the steel strip coil is conveniently abutted and locked or initially installed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a mould upgrades is with supplementary feed arrangement, includes frame (1), its characterized in that: the unwinding mechanism (2) for unwinding the steel belt and the power mechanism (3) for providing steel belt conveying power are sequentially arranged on the rack (1) along the length direction of the rack;

unwinding mechanism (2) including rotate set up carousel (4) on frame (1), be a plurality of arc (5) that are used for the cover to establish the steel band that the circumference was arranged on carousel (4), a plurality of arc (5) are along radially sliding on carousel (4) of carousel (4) and are set up, be equipped with on carousel (4) and be used for ordering about the extension subassembly that arc (5) slided in order to prop up tight steel band.

2. The auxiliary feeding device for progressive dies according to claim 1, wherein: the power mechanism (3) comprises a limiting component for limiting the conveying direction of the steel strip, a driving component for providing movement of the steel strip and a pressing and attaching component for pressing and attaching the steel strip flatly.

3. The auxiliary feeding device for progressive dies according to claim 2, wherein: the limiting assembly comprises a limiting roller (14) rotatably connected to the rack (1), two limiting rings (15) sleeved on the peripheral wall of the limiting roller (14) in a sliding mode, and a locking part arranged on the limiting rings (15) and used for locking the positions of the limiting rings (15) on the limiting roller (14), and the steel belt is conveyed between the two limiting rings (15).

4. The auxiliary feeding device for progressive dies according to claim 3, wherein: a limiting groove (18) along the radial direction of the limiting ring (15) is formed in the limiting ring (15), and the locking part comprises a limiting block (16) arranged in the limiting groove (18) in a sliding mode and a first screw rod (17) used for driving the limiting block (16) to slide to abut against the peripheral wall of the limiting roller (14).

5. The auxiliary feeding device for progressive dies according to claim 2, wherein: the driving assembly comprises a plurality of driving rollers (19) which are rotatably connected to the rack (1) and arranged along the length direction of the rack (1), chain wheels (22) arranged at the end parts of the driving rollers (19), a first motor (20) arranged on the rack (1) and used for driving the chain wheels (22) to rotate, and chains (23) sleeved on all the chain wheels (22).

6. The auxiliary feeding device for progressive dies according to claim 2, wherein: the pressing and attaching assembly comprises a support (21) arranged on the rack (1), a supporting block (24) arranged on the support (21) in a sliding mode along the vertical direction, and a pressing roller (25) rotatably arranged on the supporting block (24), and a second screw rod (26) used for driving the supporting block (24) to slide is rotatably connected to the support (21).

7. The auxiliary feeding device for progressive dies according to claim 1, wherein: the connecting mechanism comprises two vertical plates (27) fixedly arranged on the ground and a supporting roller (28) rotatably arranged between the two vertical plates (27) and used for bearing a steel belt.

8. The auxiliary feeding device for progressive dies according to claim 1, wherein: the expansion assembly comprises a cylinder arranged at the center of the rotary table (4) and a plurality of connecting rods (10) rotatably hinged on the circumferential wall of the cylinder, a piston rod (30) at the output end of the cylinder is fixedly arranged at the center of the rotary table (4), the connecting rods (10) are correspondingly arranged with the arc-shaped plates (5), and one end of each connecting rod (10) close to the corresponding arc-shaped plate (5) is rotatably hinged on the arc-shaped plate (5).

9. The auxiliary feeding device for progressive dies according to claim 1, wherein: the extension subassembly is including setting firmly screw rod (7) in carousel (4) center department, cup jointing on screw rod (7) and with screw rod (7) screw-thread fit's swivel nut (8), around swivel nut (8) center pin rotate loop bar (9) of cup jointing on swivel nut (8), articulate a plurality of connecting rods (10) on loop bar (9), be used for driving swivel nut (8) pivoted second motor (11), it is a plurality of connecting rod (10) correspond with a plurality of arcs and set up and every connecting rod (10) are close to the one end rotation that corresponds arc (5) separately and articulate on arc (5).