CN212329483U - Automatic unloader that goes up of sheet stock - Google Patents

Abstract

An automatic sheet feeding and discharging device comprises a base arranged on one side of a punching machine, wherein a servo sliding table is arranged on the base, a support is arranged at the moving end of the servo sliding table, and a feeding mechanism and a discharging mechanism are respectively arranged at two ends of the support; the feeding mechanism comprises a first air cylinder arranged on the support, a first supporting plate is fixedly connected to a piston rod of the first air cylinder, and a plurality of vacuum suckers are arranged on the first supporting plate; the blanking mechanism comprises a second air cylinder arranged on the support, a second supporting plate is fixedly connected to a piston rod of the second air cylinder, and a plurality of first electromagnets are arranged on the second supporting plate. The utility model is used for solve the artifical high and certain dangerous problem of existence of unloading intensity of labour of going up.

Description

Automatic unloader that goes up of sheet stock

Technical Field

The utility model relates to an automatic unloader that goes up of sheet material.

Background

The small pot frame is processed by adopting a stamping process, the feeding and discharging of the stamping machine are carried out by clamping a sheet material by a clamp and then feeding the sheet material into the stamping machine for stamping, and on one hand, the feeding and discharging mode has certain danger in operation, for example, a hand is mistakenly inserted below a stamping head; on the other hand, the worker repeats the same action for a long time, and the labor intensity is higher; on the other hand, the sheet material is thin and the surface is coated with the anti-rust grease, when the sheet material is taken, the double sheet material can be put into a die for stamping, so that the die of the stamping machine exceeds the stamping limit and is damaged.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an automatic unloader that goes up of sheet material for solve the artifical problem of going up unloading intensity of labour height and having certain danger of existence.

In order to solve the above problem, the to-be-solved technical scheme of the utility model is:

an automatic sheet feeding and discharging device comprises a base arranged on one side of a punching machine, wherein a servo sliding table is arranged on the base, a support is arranged at the moving end of the servo sliding table, and a feeding mechanism and a discharging mechanism are respectively arranged at two ends of the support;

the feeding mechanism comprises a first air cylinder arranged on the support, a first supporting plate is fixedly connected to a piston rod of the first air cylinder, and a plurality of vacuum suckers are arranged on the first supporting plate;

the blanking mechanism comprises a second air cylinder arranged on the support, a second supporting plate is fixedly connected to a piston rod of the second air cylinder, and a plurality of first electromagnets are arranged on the second supporting plate;

still include control system, control system includes PLC and installs first photoelectric switch, second photoelectric switch and third photoelectric switch on servo slip table both ends base, and install first proximity switch in first backup pad and install the second proximity switch in the second backup pad, fixedly connected with is used for triggering first photoelectric switch on servo slip table, the contact of second photoelectric switch and third photoelectric switch, first photoelectric switch, the second photoelectric switch, the third photoelectric switch, signal transfer to PLC that first proximity switch and second proximity switch will detect, PLC controls servo slip table, vacuum chuck, first electro-magnet and punching machine.

A plurality of second electromagnets and third proximity switches are mounted on the second supporting plate, the first electromagnets and the second electromagnets are respectively used for adsorbing finished sheet materials and residual sheet materials, the second proximity switches are used for detecting the finished sheet materials, and the third proximity switches are used for detecting the residual sheet materials.

Still including setting up and be equipped with support and two overlapping detectors in punching machine one side, two range sensors in two overlapping detectors install on the support, two overlapping detectors send the signal that detects to PLC, PLC control punching machine.

The support is connected with the servo sliding table moving end through a plurality of rubber buffers.

The utility model has the advantages that: the manual feeding and discharging is changed into the automatic feeding and discharging of a mechanical device, so that the danger of manual feeding is eliminated, and the labor intensity of workers is reduced; in addition, the device can complete the blanking while realizing the feeding, and reject the excess materials, thereby greatly improving the production efficiency.

Drawings

The invention will be further explained with reference to the drawings:

figure 1 is a front view of the present invention,

figure 2 is a left side view of the utility model,

figure 3 is a right side view of the present invention,

figure 4 is a top view of the present invention,

figure 5 is a bottom view of the feeding mechanism and the discharging mechanism of the present invention,

FIG. 6 is a schematic view of the enlarged partial structure of the present invention,

figure 7 is a pneumatic control principle diagram of the utility model,

fig. 8 is an electrical schematic diagram of the present invention.

In the figure: the device comprises a base 1, a servo sliding table 2, a blanking mechanism 3, a second electromagnet 31, a third proximity switch 32, a second proximity switch 33, a second supporting plate 34, a second air cylinder 35, a first electromagnet 36, a support 4, a press ram 5, a feeding mechanism 6, a vacuum chuck 61, a first supporting plate 62, a first air cylinder 63, a first proximity switch 64, a double-sheet overlapping detector 7, a first photoelectric switch 81, a second photoelectric switch 82, a third photoelectric switch 83, a contact piece 84, a rubber buffer 9, a finished sheet material 10 and a sheet material remainder 11.

Detailed Description

As shown in fig. 1 to 8, an automatic sheet feeding and discharging device comprises a base 1 arranged on one side of a punching machine, a servo sliding table 2 is arranged on the base 1, the servo sliding table 2 comprises a lead screw linear module 22 and a servo motor 21, a support 4 is arranged at the moving end of the lead screw linear module 22, and a feeding mechanism 6 and a discharging mechanism 3 are respectively arranged at two ends of the support 4;

the feeding mechanism 6 comprises a first air cylinder 63 arranged on the bracket 4, a first supporting plate 62 is fixedly connected to a piston rod of the first air cylinder 63, and a plurality of vacuum suckers 61 are arranged on the first supporting plate 62;

the blanking mechanism 3 comprises a second air cylinder 35 arranged on the bracket 4, a second supporting plate 34 is fixedly connected to a piston rod of the second air cylinder 35, and a plurality of first electromagnets 36 are arranged on the second supporting plate 34;

still include control system, control system includes PLC and installs first photoelectric switch 81, second photoelectric switch 82 and third photoelectric switch 83 with arranging in proper order on servo slip table 2 both ends base 1, and install first proximity switch 64 on first backup pad 62 and install second proximity switch 33 in second backup pad 34, fixedly connected with is used for triggering first photoelectric switch 81 on servo slip table 2, the contact of second photoelectric switch 82 and third photoelectric switch 83, first photoelectric switch 81, second photoelectric switch 82, third photoelectric switch 83, first proximity switch 64 and second proximity switch 33 give PLC with the signal transfer who detects, PLC control servo slip table 2, vacuum chuck 61, first electro-magnet 36 and punching machine.

The PLC is selected from Mitsubishi FX 3U-40 MT-001, and the first photoelectric switch 81, the second photoelectric switch 82 and the third photoelectric switch 83 are all selected from SX 672; the servo motor is selected from 90 ST-M02430; the servo driver selects AASD-30A; the first proximity switch 64, the second proximity switch 33 and the third proximity switch 32 are all selected to be 'LJ 8A 3-4-Z/BX 24 v'.

The utility model discloses a working process does:

initially, as shown in fig. 1 and 4, the contact piece is located at the position of the second photoelectric switch 82, and the feeding mechanism 6 and the discharging mechanism 3 are respectively located at two sides of the stamping head 5 of the stamping machine;

the first step is as follows: PLC control servo slip table 2 removes the end and moves right, moves to the contact when removing the end and triggers third photoelectric switch 83, PLC control servo slip table 2 pause, and at this moment, feed mechanism 6 is located and treats processing sheet stock top, and unloading mechanism 3 is located punching machine punching press head below.

The second step is that: the PLC controls the piston rod of the first air cylinder 63 to extend, so that the vacuum sucker 61 and the first proximity switch 64 are driven to move towards the sheet material direction, when the first proximity switch 64 detects that the vacuum sucker 61 abuts against the sheet material, the PLC controls the vacuum sucker 61 to suck the sheet material, then the PLC controls the piston rod of the first air cylinder 63 to retract, then the PLC controls the moving end of the servo sliding table 2 to move leftwards, when the moving end moves to the contact piece 84 to trigger the first photoelectric switch 81, the PLC controls the servo sliding table 2 to pause, at the moment, the sheet material sucked by the vacuum sucker 61 is located below a stamping head, then the PLC controls the vacuum sucker 61 to lose negative pressure, and the sheet material falls on a stamping machine die.

The third step: the PLC controls the moving end of the servo sliding table 2 to move rightwards, when the moving end moves to the contact piece to trigger the second photoelectric switch 82, the PLC controls the servo sliding table 2 to pause, and the punching machine punches the sheet material on the sliding table.

The fourth step: after stamping is completed, the PLC controls the moving end of the servo sliding table 2 to move rightwards, when the moving end moves to the contact piece to trigger the third photoelectric switch 83, the PLC controls the servo sliding table 2 to pause, at the moment, the feeding mechanism 6 absorbs the sheet material by adopting the method in the second step, the piston rod of the second air cylinder 35 in the blanking mechanism 3 extends, the first electromagnet 36 and the second proximity switch 33 are driven to move towards the sheet material on the die table, when the second proximity switch 33 monitors that the first electromagnet 36 abuts against the sheet material, the PLC controls the first electromagnet 36 to absorb the sheet material, and then the piston rod of the second air cylinder 35 retracts.

The fifth step: the PLC controls the moving end of the servo sliding table 2 to move leftwards, when the moving end moves to the contact piece to trigger the first photoelectric switch 81, the PLC controls the servo sliding table 2 to pause, the feeding mechanism 6 places the sucked sheet materials on the die table, each first electromagnet 36 in the blanking mechanism 3 loses power, and the finished sheet materials fall down from the blanking mechanism 3, so that blanking is completed.

And a sixth step: and repeating the third to the fifth steps circularly.

A plurality of second electromagnets 31 and third proximity switches 32 are mounted on the second support plate 34, the first electromagnets 36 and the second electromagnets 31 are respectively used for adsorbing finished sheet materials and residual sheet materials, the second proximity switches 33 are used for detecting finished sheet materials, and the third proximity switches 32 are used for detecting residual sheet materials.

As shown in fig. 5, each first electromagnet 36 attracts the finished product, each second electromagnet 31 attracts the remainder, and the second proximity switch 33 and the third proximity switch 32 are used to monitor whether the finished product and the remainder are attracted to the first electromagnet 36 and the second electromagnet 31, respectively; during the fifth step, the blanking mechanism 3 sucks the sheet material on the die table to move leftwards, and during the movement again, the second electromagnet 31 is powered off firstly, so that the residual material falls off firstly, then the first electromagnet 36 is powered off, the finished product falls off, and the finished product and the residual material are automatically removed.

The device is characterized by further comprising a support and a double-sheet overlapping detector 7 arranged on one side of the punching machine, wherein two distance measuring sensors in the double-sheet overlapping detector 7 are installed on the support, and the double-sheet overlapping detector 7 transmits a detected signal to the PLC. The double-sheet overlapping detector 7 can adopt a black diamond SP-NP2 double-probe sheet overlapping detector; when the feeding mechanism 6 grabs the sheet material to be fed into the die table of the punching machine, the grabbed sheet material passes through the double-sheet overlapping detector 7, and the double-sheet overlapping detector 7 detects whether the sheet material is overlapped or not, so that the damage of a punching head of the punching machine is prevented.

The support 4 is connected with the moving end of the servo sliding table 2 through a plurality of rubber buffers 9. The rubber buffer 9 can weaken the vibration or overload caused by the expansion and contraction of the first air cylinder 63 and the second air cylinder 35, and the service life of the device is prolonged.

Claims (4)

1. The utility model provides an automatic unloader that goes up of sheet material, is including setting up base (1) in punching machine one side, installs servo slip table (2), its characterized in that on base (1): a support (4) is arranged at the moving end of the servo sliding table (2), and a feeding mechanism (6) and a discharging mechanism (3) are respectively arranged at two ends of the support (4);

the feeding mechanism (6) comprises a first air cylinder (63) arranged on the support (4), a first supporting plate (62) is fixedly connected to a piston rod of the first air cylinder (63), and a plurality of vacuum suckers (61) are arranged on the first supporting plate (62);

the blanking mechanism (3) comprises a second air cylinder (35) arranged on the support (4), a second support plate (34) is fixedly connected to a piston rod of the second air cylinder (35), and a plurality of first electromagnets (36) are arranged on the second support plate (34);

the device also comprises a control system, the control system comprises a PLC, a first photoelectric switch (81), a second photoelectric switch (82) and a third photoelectric switch (83), the first photoelectric switch, the second photoelectric switch and the third photoelectric switch are arranged on the bases (1) at the two ends of the servo sliding table (2), and a first proximity switch (64) mounted on the first support plate (62) and a second proximity switch (33) mounted on the second support plate (34), fixedly connected with is used for triggering first photoelectric switch (81), contact (84) of second photoelectric switch (82) and third photoelectric switch (83) on servo slip table (2), first photoelectric switch (81), second photoelectric switch (82), third photoelectric switch (83), signal transfer to PLC that first proximity switch (64) and second proximity switch (33) will detect, PLC control servo slip table (2), vacuum chuck (61), first electro-magnet (36) and punching machine.

2. The automatic loading and unloading device for sheet material as claimed in claim 1, wherein: a plurality of second electromagnets (31) and third proximity switches (32) are mounted on the second supporting plate (34), the first electromagnets (36) and the second electromagnets (31) are respectively used for adsorbing finished sheet materials and residual sheet materials, the second proximity switches (33) are used for detecting the finished sheet materials, and the third proximity switches (32) are used for detecting the residual sheet materials.

3. The automatic loading and unloading device for sheet stock as claimed in claim 1 or 2, wherein: the automatic stamping machine is characterized by further comprising a support and a double-sheet overlapping detector (7) arranged on one side of the stamping machine, two ranging sensors in the double-sheet overlapping detector (7) are mounted on the support, and the double-sheet overlapping detector (7) transmits detected signals to the PLC.

4. The automatic loading and unloading device for sheet stock as claimed in claim 1 or 2, wherein: the support (4) is connected with the moving end of the servo sliding table (2) through a plurality of rubber buffers (9).

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