CN114260353A

CN114260353A - Single-punching multi-die sheet metal part stamping automatic line

Info

Publication number: CN114260353A
Application number: CN202210102900.1A
Authority: CN
Inventors: 孙创业; 邵振洋
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-04-01

Abstract

The invention relates to the technical field of sheet metal part stamping equipment, in particular to a single-stamping multi-die sheet metal part stamping automatic line which comprises a fixed base, wherein the bottom end edge of the inner surface of the fixed base is rotatably connected with a movable plate, the upper end edge of the movable plate is movably connected with a plurality of groups of dies, the central position of the outer surface of the upper end of the movable plate is fixedly connected with a connecting roller, the outer surface of the upper end of the connecting roller is fixedly connected with a first rotating plate, and the position, close to the dies, inside the first rotating plate is connected with a plurality of stamping heads in a sliding mode. In addition, the number and the positions of the die and the stamping heads can be adjusted according to the specific stamping process of the sheet metal part by arranging the twelve first circular grooves and the twelve second circular grooves, so that the practicability of the device is improved.

Description

Single-punching multi-die sheet metal part stamping automatic line

Technical Field

The invention relates to the technical field of sheet metal part stamping equipment, in particular to a single-stamping multi-die sheet metal part stamping automatic line.

Background

Stamping is a forming method in which a press and a die are used to apply external force to a plate, a strip, a pipe, a profile, etc. to cause plastic deformation or separation, thereby obtaining a workpiece with a desired shape and size. Compared with castings and forgings, the stamping part has the characteristics of thinness, uniformity, lightness and strength. Stamping can produce workpieces with ribs, undulations or beads that are otherwise difficult to manufacture, to increase their rigidity. In China, as a large manufacturing country, the stamping of sheet metal parts is widely applied to various fields of national economy, and stamping procedures are not opened in industries such as aerospace, machinery, electronic information, traffic, weapons, daily electric appliances, light industry and the like.

The existing sheet metal part needs to be punched for multiple times to finally form a product, small-sized manufacturing enterprises are in order to save manpower, the field and the equipment cost, relevant improvement is carried out on punching, a punching machine matched multi-group die is adopted for punching, single-punching single-mode modes are connected in series to form single-punching multi-mode, the transportation time of semi-finished products in the punching process is reduced, the production efficiency is improved, but the existing single-punching multi-mode punching general dies and punching heads are arranged in a linear mode, the occupied area of the punching equipment is large, the punching equipment is inconvenient to transport and place, the number of the dies and the punching heads is fixed, only the sheet metal part in a constant process can be punched, and the practicability of the punching equipment is reduced.

Therefore, the single-punching multi-die sheet metal part stamping automatic line is provided.

Disclosure of Invention

The invention aims to provide an automatic single-punching multi-die sheet metal part punching line to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a single-punching multi-die sheet metal part stamping automatic line comprises:

the edge of the bottom end of the inner surface of the fixed base is rotatably connected with a movable plate, and the edge of the upper end of the movable plate is movably connected with a plurality of groups of dies;

the connecting roller is fixedly connected to the central position of the outer surface of the upper end of the movable plate;

the first rotating plate is fixedly connected to the outer surface of the upper end of the connecting roller, a plurality of stamping heads are connected to the position, close to the die, inside the first rotating plate in a sliding mode, and a plurality of stamping rods are arranged right above the plurality of stamping heads;

the fixing plate is fixedly connected to the outer surface of the upper end of the punch rod;

the hydraulic rod is fixedly connected to the center of the outer surface of the upper end of the fixing plate;

a plurality of manipulators are uniformly and fixedly connected to the outer surface of the upper end of the fixed base at positions close to the mold;

and a rotating mechanism;

the rotating mechanism is movably connected between the fixed base and the movable plate, and can change the linear type of the die and the punching head into the annular arrangement, so that the occupied area of the device is reduced, and the device is convenient to carry and place.

The die and the stamping heads are arranged in a ring shape instead of a linear shape, so that the occupied area of the device is reduced, the device is convenient to carry and place, and the number and the positions of the die and the stamping heads can be adjusted according to a specific sheet metal part stamping process, so that the practicability of the device is improved.

Preferably, the rotating mechanism comprises a second rotating plate, the outer surface of the upper end of the second rotating plate is fixedly connected with the movable plate, the center position of the outer surface of the lower end of the second rotating plate is rotatably connected with a supporting rod, and the outer surface of the lower end of the supporting rod is fixedly connected with the fixed base;

the ratchet plate comprises a first rotating plate and a second rotating plate, wherein the lower end of the annular outer surface of the second rotating plate is fixedly connected with a plurality of ratchet plates, the cross sections of the ratchet plates are designed in a triangular structure, one outer surface of one side of one ratchet plate is clamped and connected with a driving block, the outer surface of the lower end of the driving block is rotatably connected with a first connecting rod, the lower end of the first connecting rod is fixedly connected with a connecting plate, one end of the connecting plate is rotatably connected with a supporting rod, the other end of the connecting plate is rotatably connected with a connecting block, one end of the connecting block, far away from the connecting plate, is fixedly connected with a first electric telescopic rod, and the outer surface of the lower end of the first electric telescopic rod is rotatably connected with a fixed base.

Because the existing single-punching multi-die punching mode is that a general die and a punching head are arranged in a linear mode, the punching equipment occupies a large area and is inconvenient to transport and place, the single-punching multi-die punching device is provided with a rotating mechanism, when the single-punching multi-die punching device works, a group of mechanical arms are controlled to put a sheet metal part to be punched into the die corresponding to the mechanical arms, a hydraulic rod is started to move downwards to drive a fixed plate and a punching rod to move downwards, the punching rod is contacted with the punching head and drives the punching head to punch downwards and be matched with the die, the sheet metal part in the die is subjected to a first punching process, then the hydraulic rod moves upwards, the punching head moves upwards to an initial position under the influence of spring elasticity, the mechanical arms are controlled again to clamp the sheet metal part to be separated from the die, a first electric telescopic rod is started, the first electric telescopic rod is contracted to drive a connecting block to move backwards, and accordingly the connecting plate is driven to deflect clockwise by taking the supporting rod as an axis, the driving block moves along with the connecting block and is clamped with the next ratchet plate group, then the first electric telescopic rod is controlled to stretch out to drive the connecting block to move forward, the connecting plate rotates anticlockwise to the initial position, the driving block also moves to the initial position along with the connecting block to drive the ratchet plate to rotate anticlockwise, further the second rotating plate and the movable plate rotate anticlockwise by taking the supporting rod as an axis, finally the connecting roller and the first rotating plate rotate anticlockwise, the stamping head and the die rotate synchronously with the die to control the first electric telescopic rod to extend and retract back and forth, so that the movable plate, the first rotating plate, the die and the stamping head rotate intermittently anticlockwise, when the die and the stamping head which complete stamping for the first time rotate and stop, the next die and the stamping head rotate to positions corresponding to the sheet metal parts, the manipulator is controlled to place the sheet metal parts into the die, and the manipulator corresponding to the die which completes stamping for the first time puts new sheet metal parts into the die, the hydraulic rod is started again to perform stamping, so that a new sheet metal part completes the first stamping process, another sheet metal part completes the second stamping process, then the manipulator is controlled to clamp the two sheet metal parts out of the die to wait for the next stamping, and the steps are repeated.

Preferably, the annular outer surface of the second rotating plate is fixedly connected with a brake plate at the upper end of the ratchet plate, a plurality of clamping grooves are uniformly formed in the annular outer surface of the brake plate, a clamping rod is connected to the inner surface of one clamping groove in a fitting manner, a second electric telescopic rod is fixedly connected to one side, far away from the clamping groove, of the clamping rod, a pier is fixedly connected to one end, far away from the clamping rod, of the second electric telescopic rod, and the outer surface of the lower end of the pier is fixedly connected with the fixed base.

When the brake plate stops rotating, the clamping groove corresponds to the clamping rod, the second electric telescopic rod is started to drive the clamping rod to move and be clamped with the clamping groove, so that the brake plate is fixed, and further the second rotating plate and the ratchet plate are fixed. The normal operation of the whole stamping process is ensured.

Preferably, twelve first circular grooves are uniformly formed in the edge position of the outer surface of the upper end of the first rotating plate, wherein the interior of the six first circular grooves is connected with stamping heads in a sliding way, the six stamping heads are uniformly arranged at the inner edge position of the first rotating plate, twelve second circular grooves are uniformly arranged at the edge position of the outer surface of the upper end of the movable plate, the second circular grooves are vertically corresponding to the first circular grooves one by one, wherein the interior of the six second circular grooves is connected with a slide bar in a sliding way, the upper ends of the slide bars are fixedly connected with a mould, the outer surfaces of the die and the stamping head are fixedly connected with four sliding blocks, the inner parts of the sliding blocks are connected with convex rods in a sliding manner, the convex rod is fixedly connected with the upper end of the fixed base at the outer sides of the first circular groove and the second circular groove, the spring is sleeved on the annular outer surface of the convex rod, and the upper end of the annular outer surface of the convex rod is in threaded connection with a limiting block.

When the stamping device works, because the quantity of the dies and the stamping heads of the traditional stamping device is fixed, the stamping can only be carried out on sheet metal parts with constant working procedures, and the practicability of the stamping device is reduced, the invention firstly determines the quantity of the dies and the stamping heads to be installed and the positions of the first round grooves and the second round grooves to be installed according to the concrete steps of the stamping working procedure when the stamping work is required on the sheet metal parts with different stamping working procedures, then rotates the limit block to enable the limit block to be separated from the convex rod, then sequentially moves the dies and the stamping heads upwards to drive the slide block to move upwards to enable the slide block to be separated from the convex rod, takes down the dies and the stamping heads, puts new stamping heads and dies into the selected first round grooves and the second round grooves, screws up the limit block to finish the replacement work of the stamping heads and the dies, and is matched with the first electric telescopic rod, the telescopic length of the first electric telescopic rod is controlled, so that the rotating distance of the connecting plate and the driving block can be controlled, the rotating angles of the second rotating plate, the movable plate and the first rotating plate at each time are controlled, and finally the rotating angles of the die and the stamping head are controlled.

Preferably, the annular outer surface sleeve of head rod is equipped with the torsional spring, the upper end and the drive block fixed connection of torsional spring, and its lower extreme and connecting plate fixed connection.

When the ratchet mechanism works, the torsion spring is arranged, so that the driving block is always attached to the ratchet block under the action of the torsion spring, the situation that the second rotating plate cannot rotate smoothly due to the fact that the driving block is separated from the ratchet block is prevented, and the normal operation of the rotating mechanism is guaranteed.

Preferably, twelve supporting rods are uniformly and fixedly connected to the edge position of the bottom end of the inner surface of the fixed base, and the twelve supporting rods correspond to the second circular grooves in position one to one.

When the movable plate punching die works, twelve abutting rods are arranged, and the sliding rods are supported by the abutting rods so as to bear the impact force generated by the punching head on the die, so that the movable plate is prevented from being damaged due to the influence of the punching force, and the service life of the movable plate is prolonged.

Preferably, the lower extreme surface of slider and the upper end surface of first commentaries on classics board, fly leaf all seted up the ring channel near the position of spring, the upper and lower both ends of spring all laminate with the ring channel each other.

During operation, the annular groove and the spring are mutually attached to limit the spring, so that the spring is prevented from moving due to lack of fixation, and the condition that the four sliding blocks are stressed unevenly is avoided.

Preferably, the inside of nose bar runs through and has seted up logical groove, the position symmetry that the annular surface both sides of stopper are close to logical groove has seted up two screw grooves, the equal threaded connection of internal surface in screw groove and logical groove has the screw.

When the anti-loosening mechanism works, the bolts and the screw grooves are arranged, the convex rods and the core of the limiting block are connected through the bolts, the connecting strength between the convex rods and the limiting block is increased, and the condition that the limiting block is loosened due to the influence of vibration force between the limiting block and the convex rods is prevented.

Preferably, the outer surface of one side of the driving block close to the ratchet plate is provided with an anti-abrasion pad, and the anti-abrasion pad is made of a steel fiber material.

When the anti-abrasion device works, the anti-abrasion pad is arranged, and the anti-abrasion pad is made of the steel fiber material, so that the anti-abrasion performance of the driving block is improved, and the driving block is prevented from being abraded due to the influence of friction force.

Preferably, the lower end of the annular outer surface of the hydraulic rod is fixedly connected with a plurality of reinforcing blocks, and the outer surface of the lower end of each reinforcing block is fixedly connected with the fixing plate.

When the fixing plate works, the reinforcing blocks are arranged, so that the strength of the fixing plate is enhanced, the phenomenon that the fixing plate is bent and deformed due to the influence of stamping force is prevented, and the service life of the fixing plate is prolonged.

Compared with the prior art, the invention has the beneficial effects that:

in addition, the number and the positions of the die and the stamping heads can be adjusted according to the specific stamping process of the sheet metal part by arranging the twelve first circular grooves and the twelve second circular grooves, so that the practicability of the device is improved.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the movable plate of the present invention;

FIG. 3 is a schematic view of the entire structure of the rotating mechanism of the present invention;

FIG. 4 is a sectional view of the movable plate and the second rotary plate of the present invention;

FIG. 5 is a sectional view of the slide bar, the mold and the knock-out bar in combination according to the present invention;

FIG. 6 is an enlarged view of the structure at A in FIG. 5 according to the present invention;

FIG. 7 is a sectional view of the stopper and the protruding rod of the present invention.

In the figure: 1. a fixed base; 2. a movable plate; 3. a mold; 4. a connecting roller; 5. a first rotating plate; 6. punching a head; 7. punching; 8. a fixing plate; 9. a rotating mechanism; 91. a second rotating plate; 92. a support bar; 93. a ratchet plate; 94. a drive block; 95. a first connecting rod; 96. a connecting plate; 97. connecting blocks; 98. a first electric telescopic rod; 99. a brake plate; 910. a card slot; 911. a clamping rod; 912. a second electric telescopic rod; 913. pier studs; 914. a torsion spring; 10. a hydraulic lever; 11. a manipulator; 12. a first circular groove; 13. a second circular groove; 14. a slide bar; 15. a slider; 16. a nose bar; 17. a spring; 18. a support rod; 19. a limiting block; 20. an annular groove; 21. a through groove; 22. a screw groove; 23. and a reinforcing block.

Detailed Description

The invention now will be described in connection with a few, but not all, embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may or may not be indirectly connected through intervening media, or may be internal to both elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 7, the present invention provides a technical solution of an automatic line for stamping single-stamping multi-die sheet metal parts:

an automatic single-punching multi-die sheet metal part punching line, as shown in fig. 1 and 2, comprises:

the die comprises a fixed base 1, wherein the edge of the bottom end of the inner surface of the fixed base 1 is rotatably connected with a movable plate 2, and the edge of the upper end of the movable plate 2 is movably connected with a plurality of sets of dies 3;

the connecting roller 4 is fixedly connected to the central position of the outer surface of the upper end of the movable plate 2;

the first rotating plate 5 is fixedly connected to the outer surface of the upper end of the connecting roller 4, a plurality of stamping heads 6 are connected to the position, close to the die 3, inside the first rotating plate 5 in a sliding mode, and a plurality of stamping rods 7 are arranged right above the plurality of stamping heads 6;

the fixing plate 8 is fixedly connected to the outer surface of the upper end of the punch 7;

the hydraulic rod 10 is fixedly connected to the center of the outer surface of the upper end of the fixing plate 8;

a plurality of manipulators 11 are uniformly and fixedly connected to the outer surface of the upper end of the fixed base 1 close to the mould 3;

and a rotating mechanism 9;

the rotating mechanism 9 is movably connected between the fixed base 1 and the movable plate 2, and can change the linear type of the die 3 and the stamping head 6 into the annular arrangement, thereby reducing the occupied area of the device and facilitating the carrying and the placement of the device.

According to the invention, the dies 3 and the stamping heads 6 are arranged in a ring shape instead of a linear shape, so that the occupied area of the device is reduced, the carrying and the placement of the device are convenient, and in addition, the number and the positions of the dies 3 and the stamping heads 6 can be adjusted according to the specific sheet metal part stamping process, so that the practicability of the device is increased.

As an embodiment of the present invention, as shown in fig. 2 to 4, the rotating mechanism 9 includes a second rotating plate 91, an upper outer surface of the second rotating plate 91 is fixedly connected to the movable plate 2, a central position of a lower outer surface of the second rotating plate 91 is rotatably connected to a supporting rod 92, and a lower outer surface of the supporting rod 92 is fixedly connected to the fixed base 1;

the lower end of the annular outer surface of the second rotating plate 91 is fixedly connected with a plurality of ratchet plates 93, the cross sections of the ratchet plates 93 are designed to be triangular structures, one outer surface of one side of one ratchet plate 93 is connected with a driving block 94 in a clamping manner, the outer surface of the lower end of the driving block 94 is connected with a first connecting rod 95 in a rotating manner, the lower end of the first connecting rod 95 is fixedly connected with a connecting plate 96, one end of the connecting plate 96 is connected with a supporting rod 92 in a rotating manner, the other end of the connecting plate is connected with a connecting block 97 in a rotating manner, one end, far away from the connecting plate 96, of the connecting block 97 is fixedly connected with a first electric telescopic rod 98, and the outer surface of the lower end of the first electric telescopic rod 98 is connected with the fixed base 1 in a rotating manner.

Because the existing single-punching multi-die punching mode is that the die 3 and the punching head 6 are arranged in a linear mode, the punching equipment occupies a large area and is inconvenient to transport and place, the single-punching multi-die punching mode firstly controls a group of mechanical arms 11 to place a sheet metal part to be punched into the die 3 corresponding to the mechanical arms 11 when the single-punching multi-die punching machine works, the hydraulic rod 10 is started to move downwards to drive the fixing plate 8 and the punching rod 7 to move downwards, the punching rod 7 is contacted with the punching head 6 and drives the punching head 6 to punch downwards to be matched with the die 3, the sheet metal part in the die 3 is subjected to the primary punching process, then the hydraulic rod 10 moves upwards, the punching head 6 is influenced by the elastic force of the spring 17 to move upwards to the initial position, the mechanical arms 11 are controlled again to clamp the sheet metal part to be separated from the die 3, the first electric telescopic rod 98 is started, the first electric telescopic rod 98 contracts to drive the connecting block 97 to move backwards, thereby driving the connecting plate 96 to deflect clockwise with the supporting rod 92 as an axis, the driving block 94 to move therewith and to be clamped with the next ratchet plate 93, then controlling the first electric telescopic rod 98 to extend to drive the connecting block 97 to move forward, rotating the connecting plate 96 anticlockwise to an initial position, and moving the driving block 94 to an initial position, thereby driving the ratchet plate 93 to rotate anticlockwise, further causing the second rotating plate 91 and the movable plate 2 to rotate anticlockwise with the supporting rod 92 as an axis, finally causing the connecting roller 4 and the first rotating plate 5 to rotate anticlockwise, the stamping head 6 and the die 3 to rotate synchronously therewith, controlling the first electric telescopic rod 98 to extend back and forth, thereby causing the movable plate 2, the first rotating plate 5, the die 3 and the stamping head 6 to rotate intermittently anticlockwise, when the die 3 and the stamping head 6 which complete stamping for the first time rotate and stop, the next die 3 and the stamping head 6 rotate to a position corresponding to the metal plate, controlling a manipulator 11 to place a sheet metal part into the die 3, at the moment, placing a new sheet metal part into the die 3 by the manipulator 11 corresponding to the die 3 which completes stamping for the first time, starting a hydraulic rod 10 again to stamp so that the new sheet metal part completes the first stamping process and another sheet metal part completes the second stamping process, then controlling the manipulator 11 to clamp two sheet metal parts out of the die 3 to wait for the next stamping, repeating the steps, after the die 3 and a stamping head 6 rotate for a circle, completing the stamping process and returning to the initial position of the sheet metal part which begins to stamp, clamping the sheet metal part out of the die 3 by the manipulator 11, placing the new sheet metal part into the die 3, and continuing the stamping operation, wherein the die 3 and the stamping head 6 are arranged circularly from a linear type, so that the occupied area of the device is reduced, is convenient for carrying and placing the utility model.

As an embodiment of the present invention, as shown in fig. 3 and 4, a braking plate 99 is fixedly connected to a position, located at the upper end of a ratchet plate 93, of an annular outer surface of the second rotating plate 91, a plurality of clamping grooves 910 are uniformly formed in the annular outer surface of the braking plate 99, a clamping rod 911 is attached to an inner surface of one clamping groove 910, a second electric telescopic rod 912 is fixedly connected to a side, away from the clamping groove 910, of the clamping rod 911, a pier 913 is fixedly connected to one end, away from the clamping rod 911, of the second electric telescopic rod 912, and an outer surface of a lower end of the pier 913 is fixedly connected to the fixing base 1.

When the brake plate 99 is arranged, the position of the clamping groove 910 corresponds to the position of the clamping rod 911 when the brake plate 99 stops rotating, the second electric telescopic rod 912 is started to drive the clamping rod 911 to move and be mutually clamped with the clamping groove 910, so that the brake plate 99 is fixed, and the second rotating plate 91 and the ratchet plate 93 are further fixed, the ratchet plate 93 is forced to drive the second rotating plate 91 to rotate, so that the normal operation of the rotating mechanism 9 is influenced, and the normal operation of the whole stamping process is ensured.

As an embodiment of the present invention, as shown in fig. 1, fig. 2, fig. 5 and fig. 6, twelve first circular grooves 12 are uniformly formed in the edge position of the outer surface of the upper end of the first rotating plate 5, wherein the interior of six first circular grooves 12 is slidably connected with a stamping head 6, the six stamping heads 6 are uniformly arranged at the inner edge position of the first rotating plate 5, twelve second circular grooves 13 are uniformly formed in the edge position of the outer surface of the upper end of the movable plate 2, the second circular grooves 13 vertically correspond to the first circular grooves 12 one by one, wherein the interior of six second circular grooves 13 is slidably connected with a sliding rod 14, the upper end of the sliding rod 14 is fixedly connected with a die 3, the outer surfaces of the die 3 and the stamping head 6 are fixedly connected with four sliding blocks 15, the interior of the sliding block 15 is slidably connected with a protruding rod 16, the protruding rod 16 is fixedly connected to the upper end of the fixed base 1 at the position outside the first circular grooves 12 and the second circular grooves 13, the spring 17 is sleeved on the annular outer surface of the convex rod 16, and the upper end of the annular outer surface of the convex rod 16 is connected with a limiting block 19 through threads.

When the stamping device works, because the quantity of the dies 3 and the stamping heads 6 of the traditional stamping device is fixed, only stamping can be carried out on sheet metal parts with constant working procedures, and the practicability of the stamping device is reduced, the invention determines the quantity of the dies 3 and the stamping heads 6 to be installed and the positions of the first round grooves 12 and the second round grooves 13 to be installed according to the concrete steps of the stamping working procedure when stamping work is required on sheet metal parts with different stamping working procedures, then rotates the limiting block 19 to separate the limiting block 19 from the convex rod 16, then sequentially moves the dies 3 and the stamping heads 6 upwards to drive the sliding block 15 to move upwards, separates the sliding block 15 from the convex rod 16, takes down the dies 3 and the stamping heads 6, puts new dies 6 and dies 3 into the selected first round grooves 12 and second round grooves 13, and screws the limiting block 19, the replacement work of the stamping head 6 and the die 3 is completed, in addition, the rotation distance of the connecting plate 96 and the driving block 94 can be controlled by controlling the telescopic length of the first electric telescopic rod 98 through the mutual matching with the first electric telescopic rod 98, and the rotation angle of the die 3 and the stamping head 6 is finally controlled by controlling the rotation angle of the second rotating plate 91, the movable plate 2 and the first rotating plate 5 in each rotation.

As an embodiment of the present invention, as shown in fig. 4, a torsion spring 914 is sleeved on an annular outer surface of the first connecting rod 95, an upper end of the torsion spring 914 is fixedly connected with the driving block 94, and a lower end thereof is fixedly connected with the connecting plate 96.

When the rotating mechanism works, the torsion spring 914 is arranged, so that the driving block 94 is always attached to the ratchet block under the action of the torsion spring 914, the situation that the second rotating plate 91 cannot rotate smoothly due to the fact that the driving block 94 is separated from the ratchet block is prevented, and the normal operation of the rotating mechanism 9 is guaranteed.

As an embodiment of the present invention, as shown in fig. 3 and fig. 5, twelve abutting rods 18 are uniformly and fixedly connected to the edge position of the bottom end of the inner surface of the fixed base 1, and the twelve abutting rods 18 correspond to the second circular grooves 13 in one-to-one manner.

During working, twelve abutting rods 18 are arranged, the sliding rod 14 is supported by the abutting rods 18 to bear the impact force of the stamping head 6 on the die 3, the movable plate 2 is prevented from being damaged due to the impact force, and the service life of the movable plate 2 is prolonged.

As an embodiment of the present invention, as shown in fig. 6, annular grooves 20 are formed on the outer surface of the lower end of the slider 15 and the outer surfaces of the upper ends of the first rotating plate 5 and the movable plate 2, which are close to the spring 17, and the upper and lower ends of the spring 17 are attached to the annular grooves 20.

During operation, through setting up ring channel 20 and the mutual laminating of spring 17, carry on spacingly to spring 17, prevent that spring 17 from because lack fixed emergence is removed, making four slider 15 uneven conditions of atress take place.

As an embodiment of the present invention, as shown in fig. 7, a through groove 21 is formed through the inside of the protruding rod 16, two screw grooves 22 are symmetrically formed at two sides of the annular outer surface of the limiting block 19, which are close to the through groove 21, and screws are connected to the screw grooves 22 and the inner surface of the through groove 21 through threads.

When the anti-loosening device works, the bolts and the screw grooves 22 are arranged, and the bolts are used for connecting the convex rod 16 and the limiting block 19, so that the connecting strength between the convex rod 16 and the limiting block 19 is increased, and the condition that the limiting block 19 and the convex rod 16 are loosened due to the influence of vibration force is prevented.

In one embodiment of the present invention, as shown in fig. 4, an outer surface of the driving block 94 near the ratchet plate 93 is provided with an anti-wear pad, and the anti-wear pad is made of steel fiber.

When the anti-abrasion device works, the anti-abrasion pad is arranged, and the anti-abrasion pad is made of the steel fiber material, so that the anti-abrasion performance of the driving block 94 is improved, and the driving block 94 is prevented from being abraded due to the influence of friction force.

As one embodiment of the present invention, as shown in fig. 1, a plurality of reinforcing blocks 23 are fixedly connected to the lower end of the annular outer surface of the hydraulic rod 10, and the outer surface of the lower end of each reinforcing block 23 is fixedly connected to the fixing plate 8.

When the fixing plate 8 is in work, the reinforcing block 23 is arranged, so that the strength of the fixing plate 8 is enhanced, the fixing plate 8 is prevented from being bent and deformed due to the influence of stamping force, and the service life of the fixing plate 8 is prolonged.

The using method comprises the following steps: by arranging the rotating mechanism 9, when the stamping die works, firstly, a group of mechanical arms 11 are controlled to place a sheet metal part to be stamped into a die 3 corresponding to the mechanical arms 11, a hydraulic rod 10 is started to move downwards to drive a fixing plate 8 and a stamping rod 7 to move downwards, the stamping rod 7 is contacted with a stamping head 6 and drives the stamping head 6 to stamp downwards to be matched with the die 3, the sheet metal part in the die 3 is subjected to a first stamping process, then, the hydraulic rod 10 moves upwards, meanwhile, the stamping head 6 moves upwards to an initial position under the influence of the elastic force of a spring 17, the mechanical arms 11 are controlled again to clamp the sheet metal part to be separated from the die 3, a first electric telescopic rod 98 is started, the first electric telescopic rod 98 contracts to drive a connecting block 97 to move backwards, so that a connecting plate 96 is driven to deflect clockwise by taking a supporting rod 92 as an axis, a driving block 94 moves along with the connecting block and is mutually clamped with a next group of ratchet plates 93, then the first electric telescopic rod 98 is controlled to extend to drive the connecting block 97 to move forwards, the connecting plate 96 rotates anticlockwise to an initial position, the driving block 94 also moves to an initial position, so as to drive the ratchet plate 93 to rotate anticlockwise, further the second rotating plate 91 and the movable plate 2 rotate anticlockwise by taking the supporting rod 92 as an axis, finally the connecting roller 4 and the first rotating plate 5 rotate anticlockwise, the stamping head 6 and the die 3 also rotate synchronously, the first electric telescopic rod 98 is controlled to extend back and forth, so that the movable plate 2, the first rotating plate 5, the die 3 and the stamping head 6 rotate intermittently anticlockwise, when the die 3 and the stamping head 6 which complete stamping for the first time rotate and stop, the next set of die 3 and the stamping head 6 rotate to positions corresponding to the sheet metal parts, the manipulator 11 is controlled to place the sheet metal parts into the die 3, and the manipulator 11 corresponding to the die 3 which completes stamping for the first time puts new sheet metal parts into the die 3, the hydraulic rod 10 is started again to punch, so that a new sheet metal part completes the first punching process, another sheet metal part completes the second punching process, then the manipulator 11 is controlled to clamp two sheet metal parts out of the die 3 to wait for the next punching, the process is repeated, after the die 3 and the punching head 6 rotate for a circle, the sheet metal part which is punched at first completes the punching process and returns to the initial position, the manipulator 11 is controlled to clamp the sheet metal part out of the die 3, a new sheet metal part is put into the die 3 to continue the punching work, in addition, through setting twelve first circular grooves 12 and second circular grooves 13, when the sheet metal parts different in the punching process need to be punched, the number of the dies 3 and the punching heads 6 which need to be installed and the positions of the first circular grooves 12 and the second circular grooves 13 which need to be installed are firstly determined according to the concrete steps of the punching process, then, the limiting block 19 is rotated to separate the limiting block 19 from the protruding rod 16, the die 3 and the stamping head 6 are sequentially moved upwards to drive the sliding block 15 to move upwards, the sliding block 15 is separated from the protruding rod 16, the die 3 and the stamping head 6 are taken down, new stamping heads 6 and dies 3 are placed into the selected first circular grooves 12 and the selected second circular grooves 13, the limiting block 19 is screwed down, the replacement work of the stamping heads 6 and the die 3 is completed, the connecting plate 96 and the driving block 94 can be controlled by controlling the telescopic length of the first electric telescopic rod 98 through mutual cooperation with the second electric telescopic rod 98, the rotating angle of the second rotating plate 91, the movable plate 2 and the first rotating plate 5 can be controlled, and finally the rotating angles of the die 3 and the stamping head 6 can be controlled.

The electric elements in the document are electrically connected with an external main controller and 220V mains supply through a transformer, the main controller can be a conventional known device controlled by a computer and the like, the product model provided by the invention is only used according to the structural characteristics of the product, the product can be adjusted and modified after being purchased, so that the product is more matched with and accords with the technical scheme of the invention, the product model is a technical scheme of the optimal application of the technical scheme, the product model can be replaced and modified according to the required technical parameters, and the product model is familiar to the technical personnel in the field, so that the technical scheme provided by the invention can clearly obtain the corresponding use effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A single-punching multi-die sheet metal part stamping automatic line comprises:

the die comprises a fixed base (1), wherein the edge of the bottom end of the inner surface of the fixed base (1) is rotatably connected with a movable plate (2), and the edge of the upper end of the movable plate (2) is movably connected with a plurality of groups of dies (3);

the connecting roller (4) is fixedly connected to the central position of the outer surface of the upper end of the movable plate (2); the first rotating plate (5) is fixedly connected to the outer surface of the upper end of the connecting roller (4), a plurality of stamping heads (6) are connected to the position, close to the die (3), in the first rotating plate (5) in a sliding mode, and a plurality of stamping rods (7) are arranged right above the plurality of stamping heads (6);

the fixing plate (8) is fixedly connected to the outer surface of the upper end of the punch rod (7);

the hydraulic rod (10) is fixedly connected to the center of the outer surface of the upper end of the fixing plate (8);

the outer surface of the upper end of the fixed base (1) is uniformly and fixedly connected with a plurality of manipulators (11) at positions close to the mould (3);

and a rotating mechanism (9);

the method is characterized in that: the rotating mechanism (9) is movably connected between the fixed base (1) and the movable plate (2) and can change the linear type of the die (3) and the stamping head (6) into the annular arrangement.

2. The single-punching multi-die sheet metal part punching automatic line according to claim 1, characterized in that: the rotating mechanism (9) comprises a second rotating plate (91), the outer surface of the upper end of the second rotating plate (91) is fixedly connected with the movable plate (2), the center position of the outer surface of the lower end of the second rotating plate (91) is rotatably connected with a supporting rod (92), and the outer surface of the lower end of the supporting rod (92) is fixedly connected with the fixed base (1);

the lower end of the annular outer surface of the second rotating plate (91) is fixedly connected with a plurality of ratchet plates (93), the cross sections of the ratchet plates (93) are designed to be triangular structures, one outer surface of one side of one ratchet plate (93) is connected with a driving block (94) in a clamping mode, the outer surface of the lower end of the driving block (94) is connected with a first connecting rod (95) in a rotating mode, the lower end of the first connecting rod (95) is fixedly connected with a connecting plate (96), one end of the connecting plate (96) is connected with a supporting rod (92) in a rotating mode, the other end of the connecting plate is connected with a connecting block (97) in a rotating mode, one end, far away from the connecting plate (96), of the connecting block (97) is fixedly connected with a first electric telescopic rod (98), and the outer surface of the lower end of the first electric telescopic rod (98) is connected with a fixed base (1) in a rotating mode.

3. The single-punching multi-die sheet metal part punching automatic line according to claim 2, characterized in that: the position fixedly connected with brake plate (99) of the annular surface of second commentaries on classics board (91) lie in sour jujube board (93) upper end, a plurality of draw-in groove (910) have evenly been seted up to the annular surface of brake plate (99), and the laminating of the internal surface of one of them draw-in groove (910) is connected with kelly (911), one side fixedly connected with second electric telescopic handle (912) of draw-in groove (910) are kept away from to kelly (911), one end fixedly connected with pier stud (913) of kelly (911) are kept away from in second electric telescopic handle (912), the lower extreme surface and unable adjustment base (1) fixed connection of pier stud (913).

4. The single-punching multi-die sheet metal part punching automatic line according to claim 2, characterized in that: twelve first circular grooves (12) are uniformly formed in the edge position of the outer surface of the upper end of the first rotating plate (5), six first circular grooves (12) are formed in the edge position of the outer surface of the upper end of the first rotating plate (5), twelve second circular grooves (13) are uniformly formed in the edge position of the outer surface of the upper end of the movable plate (2), the second circular grooves (13) are vertically corresponding to the first circular grooves (12) one by one, six sliding rods (14) are connected to the inner portions of the second circular grooves (13), the upper ends of the sliding rods (14) are fixedly connected with a die (3), four sliding blocks (15) are fixedly connected to the outer surfaces of the die (3) and the first circular grooves (6), convex rods (16) are fixedly connected to the inner portions of the sliding blocks (15), and the convex rods (16) are fixedly connected to the upper end of the fixing base (1) and located in the first circular grooves (12) and the second circular grooves (12), (6) and (6) 13) And in the outer side position, a spring (17) is sleeved on the annular outer surface of the convex rod (16), and a limiting block (19) is connected to the upper end of the annular outer surface of the convex rod (16) in a threaded manner.

5. The single-punching multi-die sheet metal part punching automatic line according to claim 4, characterized in that: the annular outer surface cover of head rod (95) is equipped with torsional spring (914), the upper end and the drive block (94) fixed connection of torsional spring (914), and its lower extreme and connecting plate (96) fixed connection.

6. The single-punching multi-die sheet metal part punching automatic line according to claim 5, characterized in that: twelve supporting rods (18) are uniformly and fixedly connected to the edge position of the bottom end of the inner surface of the fixed base (1), and the twelve supporting rods (18) are in one-to-one correspondence with the positions of the second circular grooves (13).

7. The single-punching multi-die sheet metal part punching automatic line according to claim 4, characterized in that: annular grooves (20) are formed in the positions, close to the springs (17), of the outer surface of the lower end of the sliding block (15), the outer surface of the upper end of the first rotating plate (5) and the outer surface of the upper end of the movable plate (2), and the upper ends and the lower ends of the springs (17) are attached to the annular grooves (20) mutually.

8. The single-punching multi-die sheet metal part punching automatic line according to claim 7, characterized in that: the inside of nose bar (16) is run through and is seted up logical groove (21), the position symmetry that the annular surface both sides of stopper (19) are close to logical groove (21) has seted up two thread grooves (22), the equal threaded connection of internal surface that thread groove (22) and logical groove (21) has the screw.

9. The single-punching multi-die sheet metal part punching automatic line according to claim 4, characterized in that: an anti-abrasion pad is arranged on the outer surface of one side, close to the ratchet plate (93), of the driving block (94), and the anti-abrasion pad is made of steel fiber materials.

10. The single-punching multi-die sheet metal part punching automatic line according to claim 7, characterized in that: the lower end of the annular outer surface of the hydraulic rod (10) is fixedly connected with a plurality of reinforcing blocks (23), and the outer surface of the lower end of each reinforcing block (23) is fixedly connected with the fixing plate (8).