CN112517781B

CN112517781B - Automatic doffer of five metals stamping die

Info

Publication number: CN112517781B
Application number: CN202011322281.4A
Authority: CN
Inventors: 王珊
Original assignee: Weifang Tongming Electronics Co ltd
Current assignee: Weifang Tongming Electronics Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2022-11-29
Anticipated expiration: 2040-11-23
Also published as: CN112517781A

Abstract

The invention discloses an automatic blanking device of a hardware stamping die, which relates to the technical field of hardware manufacturing and comprises an automatic loading and unloading mechanism, a stamping head and a stamping platform, wherein the bottom of the stamping head is provided with the upper surface of the stamping platform, the front end of the upper surface of the stamping platform is provided with the rear end of the automatic loading and unloading mechanism, and the lower surface of the stamping head is provided with the rear end of the automatic loading and unloading mechanism. According to the invention, the silicon rubber bottom suction part, the sand storage part and the air pump are combined, so that the fine sand in the sand storage part is sucked into the pneumatic cavity of the silicon rubber bottom suction part through suction force, the fine sand is tightly accumulated on the surface of the stamping part through downward pressure and air pressure extrusion, a gap between the silicon rubber bottom suction part and the surface of the stamping part is blocked, negative pressure is generated inside the sealed suction cavity after air is pumped out, and the silicon rubber bottom suction part and the surface of the stamping part are tightly adsorbed due to the air pressure, so that the problem that the surface of the stamping part is frosted or the stamping part with an uneven surface falls and is damaged in the process of being transported by the sucking disc is avoided.

Description

Automatic doffer of five metals stamping die

Technical Field

The invention relates to an automatic blanking device, relates to the technical field of hardware manufacturing, and particularly relates to an automatic blanking device for a hardware stamping die.

Background

The stamping is a forming processing method which applies external force to plates, strips, pipes, profiles and the like by a press and a die to cause the plates, the strips, the pipes, the profiles and the like to generate plastic deformation or separation, thereby obtaining stamping parts with required shapes and sizes, in order to accelerate the stamping processing efficiency, the stamping method adopts an automatic loading and unloading mode, and uses auxiliary mechanical equipment or a mechanism to finish automatically loading the original plates and taking down the stamping parts, aiming at the prior art, the following problems exist:

1. in the prior art, when a plate with a frosted surface or an uneven surface is automatically loaded and unloaded, a sealing cavity cannot be formed by tightly adhering the periphery of a sucking disc to the surface of the plate, so that the problems of unstable adsorption of the sucking disc and falling and damage of a stamping part exist;

2. among the prior art, can select to use the manipulator chucking to snatch the stamping workpiece to some automatic devices of unloading, nevertheless there is the easy face of stamping workpiece chucking that is scraped the flower by the manipulator when snatching, leads to the problem that the stamping workpiece quality descends, consequently needs to carry out the structure innovation and solves concrete problem.

Disclosure of Invention

The technical problem to be solved by the invention is to provide an automatic blanking device of a hardware stamping die, wherein one purpose is to have the function of taking a plate with a frosted or uneven surface, and solve the problems that a sealing cavity cannot be formed on the surface of the plate by being tightly attached to the periphery of a sucking disc, the sucking disc and the surface of a stamping part are not firmly adsorbed, and the stamping part falls and is damaged; wherein another kind of purpose can choose to use the manipulator chucking to snatch the stamping workpiece in order to solve the device to some unloading automatically, but the easy manipulator of surface of stamping workpiece chucking is scraped the flower when having the snatching, leads to the problem of stamping workpiece quality degradation to reach the effect that can not harm the stamping workpiece surface when snatching.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

the utility model provides an automatic doffer of five metals stamping die, includes unloading mechanism, punching press head and punching press platform in automation, the bottom of punching press head is provided with the upper surface of punching press platform, the upper surface front end of punching press platform is provided with the automatic rear end of unloading mechanism of going up, the lower surface of punching press head is provided with the automatic rear end of going up unloading.

The technical scheme of the invention is further improved as follows: the automatic feeding and discharging mechanism comprises a supporting table, a movable rod and an air pump, the upper surface of the supporting table is fixedly connected with rotary drive, the rear end of the rotary drive is movably connected with the front end of the movable rod, and the front end of the movable rod is movably connected with the right end of the air pump through the top of the supporting table.

The technical scheme of the invention is further improved as follows: the utility model discloses a pneumatic suction device, including the movable rod, the front end of movable rod is connected with the suction mechanism, the front end of movable rod is connected with the top fixed connection of alignment jig, shunt, air duct and sucking disc, the front end of movable rod and the top fixed connection of alignment jig, the top of alignment jig and the axle center department bottom fixed connection of shunt, the front end of shunt and the one end fixed connection of air duct, the other end of air duct passes through the right side fixed connection of brace table with the air pump, the bottom of shunt is pegged graft with the top of sucking disc, and the quantity of sucking disc is four, the top of sucking disc all pegs graft with the inner wall of alignment jig.

The technical scheme of the invention is further improved as follows: the sucking disc inhales the end and stores up husky piece including installation pipe, inner tube, silicon rubber, the top outer wall of installation pipe is pegged graft with the inner wall of alignment jig, the bottom of installation pipe and the top fixed connection who stores up husky piece, the inner wall of installation pipe is provided with the inner tube, and the top of inner tube is pegged graft with the bottom of shunt, the bottom outer wall of inner tube is inhaled the end with silicon rubber, is stored up the top of husky piece and is pegged graft, the bottom of storing up husky piece and the top fixed connection that silicon rubber inhaled the end.

The technical scheme of the invention is further improved as follows: the sand storage piece comprises a sand storage cavity, an arc-shaped baffle is fixedly connected to the inner wall of the bottom of the sand storage cavity, fine sand is arranged on one side of the arc-shaped baffle, and a through hole is formed in the bottom of the other side of the arc-shaped baffle.

The technical scheme of the invention is further improved as follows: the bottom that the silicon rubber adsorbs the end is provided with the absorption chamber, the inner wall in absorption chamber evenly is provided with the silicon rubber arch, the inner wall in absorption chamber has evenly seted up special-shaped groove, the upper and lower both ends in special-shaped groove all with one side fixed connection in pneumatic chamber, the bottom in pneumatic chamber has seted up the hourglass husky groove, the special-shaped groove has the piece of keeping off near one side bottom swing joint in pneumatic chamber.

The technical scheme of the invention is further improved as follows: the stopper comprises a stopper head and a spring, the rear end of the stopper head is inserted into the inner wall of the bottom of the special-shaped groove, the top of the rear end of the stopper head is movably connected with one end of the spring, the other end of the spring is fixedly connected with the inner wall of the bottom of the special-shaped groove, the top of the special-shaped groove is movably connected with a first baffle and a second baffle, the first baffle and the second baffle are symmetrically arranged, and the top of the special-shaped groove is arranged on one side of the bottom of the second baffle.

Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:

1. the invention provides an automatic blanking device of a hardware stamping die, which is ingenious in design and combines a silicon rubber bottom suction part, a sand storage part and an air pump, so that fine sand in the sand storage part is sucked into a pneumatic cavity of the silicon rubber bottom suction part through suction force, the fine sand is tightly accumulated on the surface of a stamping part through downward pressure and air pressure extrusion, a gap between the silicon rubber bottom suction part and the surface of the stamping part is blocked, a sealed adsorption cavity generates negative pressure after air is pumped out, and the silicon rubber bottom suction part and the surface of the stamping part are tightly adsorbed due to the air pressure, so that the problem that the surface of the stamping part is frosted or uneven in the process of falling and damaging the stamping part by a sucking disc in the transportation process is avoided.

2. The invention provides an automatic blanking device of a hardware stamping die, which is characterized in that a silicon rubber bottom suction device, a sand storage device and an air pump are combined, so that the effect of not damaging a frosted surface when a stamping part is taken and adsorbed by utilizing vacuum negative pressure can be realized, the rapid taking and placing of a machined part are realized, and the stamping processing efficiency and the stamping part quality are improved.

Drawings

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

FIG. 2 is a schematic structural view of an automatic loading and unloading mechanism of the present invention;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is a schematic view of the chuck structure of the present invention;

FIG. 5 is an enlarged view at B in FIG. 4;

FIG. 6 is a schematic view of the bottom structure of the profiled groove of the present invention;

fig. 7 is a schematic view of the top structure of the deformed slot of the present invention.

In the figure: 1. an automatic loading and unloading mechanism; 2. stamping a head; 3. a stamping station; 10. a support table; 11. a movable rod; 12. an air pump; 111. an adsorption mechanism; a1, an adjusting piece; a2, a shunt; a3, an air guide tube; a4, sucking discs; b1, installing a pipe; b2, an inner tube; b3, a sand storage piece; b4, absorbing the bottom by silicon rubber; c1, a sand storage cavity; c2, arc-shaped baffles; c3, fine sand; d1, an adsorption cavity; d5, forming a silicon rubber bulge; d3, a special-shaped groove; d2, a pneumatic cavity; d4, a stopper; e1, blocking the head; e2, a spring; f1, a first baffle plate; f2, a second baffle.

Detailed Description

The present invention is further illustrated in detail below with reference to examples:

example 1

As shown in FIGS. 1-6, the invention provides an automatic blanking device for a hardware stamping die, which comprises an automatic loading and unloading mechanism 1, a stamping head 2 and a stamping table 3, wherein the bottom of the stamping head 2 is provided with the upper surface of the stamping table 3, the front end of the upper surface of the stamping table 3 is provided with the rear end of the automatic loading and unloading mechanism 1, the lower surface of the stamping head 2 is provided with the rear end of the automatic loading and unloading mechanism 1, the upper surface of a supporting table 10 is fixedly connected with a rotary drive, the rear end of the rotary drive is movably connected with the front end of a movable rod 11, the front end of the movable rod 11 is movably connected with the right end of an air pump 12 through the top of the supporting table 10, the front end of the movable rod 11 is fixedly connected with an adsorption mechanism 111, the front end of the movable rod 11 is fixedly connected with the top of an adjusting frame a1, the top of the adjusting frame a1 is fixedly connected with the bottom of the axle center of a divider a2, the front end of the divider a2 is fixedly connected with one end of an air duct a3, the other end of the air duct a3 is fixedly connected with the right side of an air pump 12 through a support table 10, the bottom of the flow divider a2 is inserted with the top of the suction disc a4, the number of the suction discs a4 is four, the top of the suction disc a4 is inserted with the inner wall of the adjusting frame a1, the outer wall of the top of the installation tube b1 is inserted with the inner wall of the adjusting frame a1, the bottom of the installation tube b1 is fixedly connected with the top of the sand storage piece b3, the inner wall of the installation tube b1 is provided with an inner tube b2, the top of the inner tube b2 is inserted with the bottom of the flow divider a2, the outer wall of the bottom of the inner tube b2 is inserted with the bottom suction silicone rubber b4 and the top of the sand storage piece b3, the bottom of the sand storage piece b3 is fixedly connected with the top of the bottom silicone rubber b4, the inner wall of the bottom of the sand storage cavity c1 is fixedly connected with an arc baffle c2, one side of the arc baffle c2 is provided with fine sand c3, the bottom of the other side of the arc baffle c2 is provided with a through hole, the bottom of the silicone rubber suction bottom b4 is provided with an adsorption cavity d1, adsorb chamber d 1's inner wall and evenly be provided with the protruding d5 of silicon rubber, adsorb chamber d 1's inner wall and evenly seted up special-shaped groove d3, the upper and lower both ends of special-shaped groove d3 all with one side fixed connection of pneumatic chamber d2, the hourglass husky groove has been seted up to pneumatic chamber d 2's bottom, one side bottom swing joint that special-shaped groove d3 is close to pneumatic chamber d2 keeps off piece d4.

In the embodiment, firstly, the adsorption position between the suction cup a4 and the upper surface of the punched plate is adjusted through the adjusting frame a1, after the punched plate is machined and formed, the movable rod 11 is driven by rotary drive to reach the upper surface of the punched part, the movable rod 11 presses the suction cup a4 downwards, the bottom of the silicon rubber suction bottom b4 of the suction cup a4 is contacted with the upper surface of the punched part, the air in the suction cavity d1 is extruded out due to the deformation caused by the pressure action, meanwhile, the air pump 12 sucks the air in the suction cavity d1 through the air duct a3 and the inner tube b2 in sequence, the fine sand c3 in the sand storage part b3 moves due to the suction action, falls into the pneumatic cavity d2 through the top of the arc-shaped baffle plate c2 to be accumulated, and the fine sand c3 is mutually extruded due to the self gravity and sand grains, with the bottom jam of pneumatic chamber d2 and with stamping workpiece upper surface in close contact with, along with the air in the sucking disc a4 is taken out from, the inside negative pressure that produces of sucking disc a4, pneumatic chamber d2 takes place the inside fine sand c3 of deformation extrusion because of atmospheric pressure, the top receives decurrent pressure again, make fine sand c3 and stamping workpiece laminating inseparabler, prevent that gas from passing through the space of stamping workpiece and sucking disc a4 bottom, make the silicon rubber inhale the absorption chamber d1 of end b4 and form the vacuum environment, take place deformation because of atmospheric pressure effect again, the inner wall and the protruding d5 of silicon rubber of absorption chamber d1 and stamping workpiece surface laminate more, it drives the movable rod 11 deflection through rotary drive after the completion is adsorbed, the sucking disc a4 of adsorption mechanism 111 will carry the stamping workpiece and keep away from stamping station 3.

When keeping away from punching press platform 3 after, when putting down the stamping workpiece, the air pump loops through air duct a3, inner tube b2, inflate in sucking disc a4 fast, gaseous absorption chamber d1 that gets into sucking disc a4 after, the inside and outside atmospheric pressure of balanced absorption chamber d1, the silicon rubber inhales end b4 elastic deformation and resumes, through the thrust of stamping workpiece self gravity and blowing, drop the stamping workpiece from sucking disc a4 bottom fast, gaseous dysmorphism groove d3 through adsorbing chamber d1 blows fine sand c3 upwards simultaneously, fine sand c3 is blown once more and is collected in storing up husky piece b3, cowl c2 can prevent that fine sand c3 from sliding and dropping after getting into pneumatic chamber d2 in storing up husky piece b 3.

Example 2

As shown in fig. 5, 6 and 7, the present invention provides a technical solution based on embodiment 1: the bottom that the end b4 was inhaled to silicon rubber is provided with adsorbs chamber d1, the inner wall that adsorbs chamber d1 evenly is provided with the protruding d5 of silicon rubber, dysmorphism groove d3 has evenly been seted up to the inner wall that adsorbs chamber d1, the upper and lower both ends in dysmorphism groove d3 all with one side fixed connection of pneumatic chamber d2, the hourglass husky groove has been seted up to pneumatic chamber d 2's bottom, one side bottom swing joint that dysmorphism groove d3 is close to pneumatic chamber d2 has a fender d4, the rear end of fender head e1 is pegged graft with the bottom inner wall in dysmorphism groove d3, the rear end top of fender head e1 and the one end swing joint of spring e2, the other end of spring e2 and the bottom inner wall fixed connection in dysmorphism groove d3, the top swing joint in dysmorphism groove d3 has first baffle f1, second baffle f2, and first baffle f1, second baffle f2 symmetry sets up, bottom one side of second baffle f2 is provided with the top in dysmorphism groove d 3.

In this embodiment, when the air pump 12 starts to suck air, the second baffle f2 at the top of the special-shaped groove d3 deflects due to downward suction, the through hole at the bottom of the sand storage part b3 is opened, the first baffle f1 cannot deflect and open due to the bottom being blocked, fine sand c3 flows into the pneumatic cavity d2 through the through hole at one side of the second baffle f2, when the air pump 12 starts to inflate, the first baffle f1 at the top of the special-shaped groove d3 deflects upward due to the pressure to open the through hole at one side, the blocking head e1 of the blocking part d4 arranged at the bottom of the special-shaped groove d3 ejects out the special-shaped groove d3 due to the pressure to block the sand leakage groove, the fine sand c3 moves upward due to the blowing of air and returns to the sand storage part b3 again through the through hole at one side of the first baffle f1, and after the air pump 12 finishes inflating, the blocking head e1 returns to the initial position due to the pulling force of the rear end spring e2, and blocks the bottom of the special-shaped groove d 3.

The working principle of the automatic blanking device for the hardware stamping die is described in detail below.

As shown in fig. 1-7, firstly, the adsorption position between the suction cup a4 and the upper surface of the punched plate is adjusted by the adjusting frame a1, after the punched plate is formed, the movable rod 11 is driven by the rotary drive to reach the upper surface of the punched part, the movable rod 11 presses the suction cup a4 downwards, the bottom of the silicon rubber suction bottom b4 of the suction cup a4 contacts with the upper surface of the punched part, the deformation occurs due to the pressure action to extrude the air in the suction cavity d1, meanwhile, the air pump 12 sucks the air in the suction cavity d1 sequentially through the air duct a3 and the inner tube b2, the fine sand c3 in the sand storage part b3 moves due to the suction force, drops into the pneumatic cavity d2 through the top of the arc-shaped baffle plate c2 to be accumulated, and the fine sand c3 is mutually squeezed between the self-gravity and the sand grains, with the bottom jam of pneumatic chamber d2 and with stamping workpiece upper surface in close contact with, air in along with sucking disc a4 is taken out from, the inside negative pressure that produces of sucking disc a4, pneumatic chamber d2 takes place the inside fine sand c3 of deformation extrusion because of atmospheric pressure, the top receives decurrent pressure again, it is inseparabler to make fine sand c3 and stamping workpiece laminating, prevent that gas from passing through the space of stamping workpiece and sucking disc a4 bottom, make silicon rubber inhale the absorption chamber d1 of end b4 and form the vacuum environment, take place deformation because of the atmospheric pressure effect again, the inner wall and the protruding d5 of silicon rubber of absorption chamber d1 and stamping workpiece surface are laminated more, drive movable rod 11 through rotary drive after accomplishing the absorption and deflect, suction disc a4 of absorption mechanism 111 will carry the stamping workpiece and keep away from stamping platform 3.

When keeping away from punching press platform 3 after, when putting down the stamping workpiece, the air pump loops through air duct a3, inner tube b2, inflate in sucking disc a4 fast, gaseous absorption chamber d1 that gets into sucking disc a4 after, the inside and outside atmospheric pressure in balanced absorption chamber d1, the silicon rubber absorbs the end b4 elastic deformation and resumes, through stamping workpiece self gravity and the thrust of blowing, drop the stamping workpiece from sucking disc a4 bottom fast, gaseous profile shaped groove d3 through absorbing chamber d1 blows fine sand c3 upwards simultaneously, fine sand c3 is blown once more and is collected in storing up husky piece b3, arc baffle c2 can prevent that fine sand c3 from sliding and falling after getting into pneumatic chamber d2 in storing up husky piece b 3.

When the air pump 12 starts to suck air, the second baffle f2 at the top of the special-shaped groove d3 deflects due to downward suction force, the through hole at the bottom of the sand storage part b3 is opened, the first baffle f1 cannot deflect and open due to the fact that the bottom of the first baffle f1 is blocked, fine sand c3 flows into the pneumatic cavity d2 through the through hole in one side of the second baffle f2, when the air pump 12 starts to inflate, the first baffle f1 at the top of the special-shaped groove d3 deflects upwards due to the pressure effect to open the through hole in one side, the blocking head e1 of the blocking part d4 arranged at the bottom of the special-shaped groove d3 ejects out the special-shaped groove d3 due to the pressure effect to block the sand leakage groove, the fine sand c3 upwards displaces due to the air blowing, and returns to the sand storage part b3 again through the through hole in one side of the first baffle f1, and after the inflation tension force of the air pump 12 is finished, the blocking head e1 returns to the initial position due to the effect of the back-end spring e2 to block the bottom of the special-shaped groove d 3.

The present invention has been described in general terms, but it will be apparent to those skilled in the art that modifications and improvements can be made based on the present invention. Therefore, modifications or improvements are within the scope of the invention without departing from the spirit of the inventive concept.

Claims

1. Automatic blanking device of hardware stamping die comprises automatic feeding and discharging mechanism (1) and stamping head

(2) And a stamping station (3), characterized in that: the bottom of the stamping head (2) is provided with the upper surface of a stamping platform (3), the front end of the upper surface of the stamping platform (3) is provided with the rear end of an automatic feeding and discharging mechanism (1), and the lower surface of the stamping head (2) is provided with the rear end of the automatic feeding and discharging mechanism (1);

the automatic feeding and discharging mechanism (1) comprises a supporting table (10), a movable rod (11) and an air pump (12), wherein the upper surface of the supporting table (10) is fixedly connected with a rotary drive, the rear end of the rotary drive is movably connected with the front end of the movable rod (11), and the front end of the movable rod (11) is movably connected with the right end of the air pump (12) through the top of the supporting table (10);

the rear end fixedly connected with adsorption apparatus (111) of movable rod (11), adsorption apparatus (111) includes alignment jig (a 1), shunt (a 2), air duct (a 3) and sucking disc (a 4), the rear end of movable rod (11) and the top fixed connection of alignment jig (a 1), the top of alignment jig (a 1) and the axle center department bottom fixed connection of shunt (a 2), the front end and the air duct of shunt (a 2) are fixed connection

(a3) The other end of the air guide pipe (a 3) is fixedly connected with the right side of an air pump (12) through a support table (10), the number of the suckers (a 4) is four, and the tops of the suckers (a 4) are all inserted into the inner wall of the adjusting frame (a 1);

the sucking disc (a 4) comprises a mounting pipe (b 1), an inner pipe (b 2), a silicon rubber bottom sucking part (b 4) and a sand storage part (b 3), the outer wall of the top of the mounting pipe (b 1) is connected with the inner wall of the adjusting frame (a 1) in an inserting mode, the bottom of the mounting pipe (b 1) is fixedly connected with the top of the sand storage part (b 3), the inner wall of the mounting pipe (b 1) is provided with the inner pipe (b 2), the top of the inner pipe (b 2) is connected with the bottom of the shunt (a 2) in an inserting mode, the outer wall of the bottom of the inner pipe (b 2) is connected with the silicon rubber bottom sucking part (b 4) and the top of the sand storage part (b 3) in an inserting mode, and the bottom of the sand storage part (b 3) is fixedly connected with the top of the silicon rubber bottom sucking part (b 4);

store up husky piece (b 3) including storing up husky chamber (c 1), the bottom inner wall fixedly connected with cowl (c 2) of storing up husky chamber (c 1), one side of cowl (c 2) is provided with fine sand (c 3), the through-hole has been seted up to the opposite side bottom of cowl (c 2).

2. The automatic blanking device of hardware stamping die of claim 1, characterized in that: the bottom that the end (b 4) was inhaled to silicon rubber is provided with adsorbs chamber (d 1), the inner wall that adsorbs chamber (d 1) evenly is provided with silicon rubber arch (d 5), special-shaped groove (d 3) have evenly been seted up to the inner wall that adsorbs chamber (d 1), the upper and lower both ends of special-shaped groove (d 3) all are linked together with one side of pneumatic chamber (d 2), the hourglass husky groove has been seted up to the bottom of pneumatic chamber (d 2), one side bottom swing joint that special-shaped groove (d 3) are close to pneumatic chamber (d 2) keeps off piece (d 4).

3. The automatic blanking device of five metals stamping die of claim 2, characterized in that: the stopper (d 4) comprises a stopper (e 1) and a spring (e 2), the rear end of the stopper (e 1) is inserted into the inner wall of the bottom of the special-shaped groove (d 3), the top of the rear end of the stopper (e 1) is movably connected with one end of the spring (e 2), the other end of the spring (e 2) is fixedly connected with the inner wall of the bottom of the special-shaped groove (d 3), a first baffle plate (f 1) and a second baffle plate (f 2) are movably connected above the top of the special-shaped groove (d 3), the first baffle plate (f 1) and the second baffle plate (f 2) are symmetrically arranged, and the top of the special-shaped groove (d 3) is arranged on one side of the bottom of the second baffle plate (f 2).