CN116197311A

CN116197311A - Automatic feeding and discharging four-column hydraulic press

Info

Publication number: CN116197311A
Application number: CN202310232329.XA
Authority: CN
Inventors: 童少辉
Original assignee: Shijiazhuang Yinuo Machinery Co ltd
Current assignee: Shijiazhuang Yinuo Machinery Co ltd
Priority date: 2023-03-10
Filing date: 2023-03-10
Publication date: 2023-06-02

Abstract

The invention relates to the technical field of hydraulic presses, and provides an automatic feeding and discharging type four-column hydraulic press which comprises a base, a hydraulic cylinder, a pressing plate, four guide columns, a feeding device and a discharging device, wherein the base is provided with a plurality of guide columns; the feeding device comprises a feeding plate and a feeding plate, the feeding plate is rotationally connected with a base, the feeding plate is rotationally connected with the feeding plate, the base is connected with a lifting mechanism, the feeding plate is rotationally connected with a rotating plate through a rotating shaft, the feeding plate is connected with a rotating mechanism, the rotating plate is slidingly connected with a feeding mechanism, and the feeding mechanism is connected with a material taking mechanism; the blanking device comprises a receiving plate, the receiving plate is hinged with a base, a first electric cylinder is rotatably installed on the base, the output end of the first electric cylinder is rotatably connected with the bottom end of the receiving plate, and a chain plate type conveyor is installed on the base through a supporting frame; the base rotates and is connected with the workstation, and the mould is installed on workstation and clamp plate, and the base is connected with tilting mechanism, and it is convenient for go up the unloading automatically, and work efficiency is higher.

Description

Automatic feeding and discharging four-column hydraulic press

Technical Field

The invention relates to the technical field of hydraulic presses, in particular to an automatic feeding and discharging type four-column hydraulic press.

Background

The four-column hydraulic press is also called as oil press, is a mechanical equipment for processing products of metal, plastic, rubber and wood by utilizing the static pressure of hydraulic oil conveyed by an oil pump, is a machine which is made by utilizing Pascal's law and utilizes liquid pressure transmission, and is mainly used for pressure processing and forming of various plastic materials.

The existing four-column hydraulic press is generally composed of a base, an upper beam, a hydraulic transmission system, a movable beam and a guide post, wherein the hydraulic transmission system is composed of a power mechanism, a control mechanism, an actuating mechanism, an auxiliary mechanism and a working medium, the power mechanism generally adopts an oil pump as a power mechanism, is generally an integral oil pump, drives the movable beam to lift through a hydraulic cylinder, and is matched with the base for pressure processing, and a die is generally arranged for punching processing in the use process.

The existing four-column hydraulic press generally needs to manually place materials in a machining area and put the workpieces according to the positions of the dies when the workpieces are subjected to pressure machining, then the pressure machining is carried out, the machined workpieces are required to be manually taken out after the pressure machining is finished, new raw materials are placed at the machining positions, when the workpieces with larger pieces are subjected to pressure machining, a large number of workpieces are frequently taken and placed by a machining staff, the workload is large, the degree of automation is low, the machining efficiency is low, meanwhile, the workpieces are taken and placed by the staff, certain potential safety hazards exist, the four-column hydraulic press possibly fails to cause pressure injury or collision to the hands of the machining staff, the temperature of the four-column hydraulic press and the temperature of the workpieces are increased, and hand skin scalding can be caused when the four-column hydraulic press and the workpieces are collected, so that the automatic feeding and discharging type four-column hydraulic press is provided, and can realize automatic feeding and manual replacement, and is low in machining efficiency and safe.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects in the prior art, the invention provides an automatic feeding and discharging type four-column hydraulic machine, so as to solve the problems that the prior art provided in the background art uses manpower to feed and discharge, the degree of automation is low, the processing efficiency is low and potential safety hazards exist at the same time.

(II) technical scheme

In order to achieve the above purpose, the present invention provides the following technical solutions: an automatic feeding and discharging four-column hydraulic machine comprises a base, a hydraulic cylinder, a pressing plate, four guide columns, a feeding device and a discharging device; the feeding device comprises a feeding plate and a feeding plate, the feeding plate is rotationally connected with a base, the feeding plate is rotationally connected with the feeding plate, the base is connected with a lifting mechanism for driving the feeding plate to lift, the top end of the feeding plate is rotationally connected with a rotating plate through a rotating shaft, the feeding plate is connected with a rotating mechanism for driving the rotating plate to rotate, the top end of the rotating plate is slidingly connected with a feeding mechanism, and the feeding mechanism is connected with a material taking mechanism; the blanking device comprises a receiving plate, the receiving plate is hinged to one end, far away from the feeding mechanism, of the base, a first electric cylinder is rotatably installed on the base, the output end of the first electric cylinder is rotatably connected with the bottom end of the receiving plate, the base is fixedly connected with a supporting frame, and a chain plate type conveyor is installed in the supporting frame; the rotary groove is formed in the base, a workbench is connected to the inside of the rotary groove through a rotary rod in a rotary mode, the die is installed on the workbench and the pressing plate, and the base is connected with a turnover mechanism used for driving the workbench to turn over.

In order to drive the feeding plate to lift and lift the workpiece, the lifting mechanism comprises a second electric cylinder, two moving plates and a moving mechanism for driving the moving plates to move, wherein an electric cylinder mounting groove is formed in the base, the second electric cylinder is rotatably mounted in the electric cylinder mounting groove, and the output end of the second electric cylinder is rotatably connected with the bottom end of the feeding plate; the moving mechanism comprises a first motor, two first screws, a transmission assembly and a limiting assembly, wherein the first screws are in rotary connection with the base, the inside of the base is of a hollow structure, the first motor is installed in the base, the output end of the first motor is fixedly connected with the corresponding first screws, the two first screws are in transmission connection through the transmission assembly, the moving plate is in threaded connection with the corresponding first screws, the feeding plate is positioned between the two moving plates, the feeding plate is fixedly connected with two driving blocks, driving grooves matched with the driving blocks are formed in the moving plate, a connecting plate is fixedly connected between the two moving plates, and the limiting assembly is fixedly connected with the base; the transmission assembly comprises a first chain and two first chain wheels, the first chain wheels are fixedly sleeved on the periphery of the corresponding first screw rods, the two first chain wheels are in transmission connection through the first chain, and a transmission port matched with the first chain is formed in the base; the limiting assembly comprises a fixing plate and a plurality of limiting rods, the fixing plate is fixedly connected with the base through the limiting rods, and a plurality of limiting holes matched with the limiting rods are formed in the connecting plate.

In order to drive pivot and revolving plate to rotate, this application is still further, slewing mechanism includes second motor, drive gear and driven gear, the last motor groove of having seted up of loading board, the second motor is installed the inside in motor groove, drive gear fixed connection is in the top of second motor, driven gear fixed suit is in the periphery of pivot, and driven gear with the drive gear meshing.

In order to push a workpiece and adjust the position of the workpiece, the feeding mechanism comprises a mounting plate, a sliding block, a third electric cylinder and a sliding mechanism for driving the mounting plate to slide, wherein the sliding block is fixedly connected to the bottom end of the mounting plate, a sliding groove matched with the sliding block is formed in the rotating plate, and the third electric cylinder is fixedly arranged on the mounting plate; the sliding mechanism comprises a third motor and a second screw rod, the top end of the rotating plate is fixedly connected with two supporting plates, the second screw rod is rotationally connected between the two supporting plates, the third motor is installed on the corresponding supporting plate, the output end of the third motor is fixedly connected with the second screw rod, and the mounting plate is in threaded connection with the second screw rod.

In order to feed workpieces of various materials and sizes, the material taking mechanism comprises a mounting frame, a fourth electric cylinder, a lifting plate, two movable seats and a clamping mechanism for driving the two movable seats to move, wherein the mounting frame is fixedly connected with the output end of the third electric cylinder, the fourth electric cylinder is fixedly arranged at the bottom end of the mounting frame, the lifting plate is fixedly connected with the bottom output end of the fourth electric cylinder, and a movable groove matched with the movable seats is formed in the lifting plate; the clamping mechanism comprises a fourth motor and an adjusting rod, the adjusting rod is rotationally connected to the inside of the moving groove, the fourth motor is fixedly installed on the side wall of the lifting plate, the adjusting rod is fixedly connected with the output end of the fourth motor, two external threads with opposite rotation directions are arranged on the periphery of the adjusting rod, the moving seat is symmetrically arranged on the periphery of the adjusting rod, the moving seat is in threaded connection with the corresponding external thread section, and the clamping piece is detachably connected with the moving seat.

In order to overturn the workbench and the die, the workpiece slides down, the turnover mechanism comprises a fifth motor, a driving rod, a second chain and two second chain wheels, a transmission groove is formed in the base, the fifth motor is installed in the transmission groove, the driving rod is fixedly connected to the output end of the fifth motor, the second chain wheels are fixedly sleeved on the periphery of the rotating rod and the periphery of the driving rod respectively, and the two second chain wheels are in transmission connection through the second chain.

For carrying out the material loading to the work piece of multiple material and size, this application is preferred, the holder can select for use grip block, vacuum chuck or electro-magnet, two the grip block is symmetrical arrangement, grip block, vacuum chuck or electro-magnet all with remove the seat and dismantle and be connected.

In order to be convenient for carry the work piece, this application is still further on the basis of aforementioned scheme, the both sides on the top of delivery sheet all fixedly connected with baffle, two between the baffle and connect the inside of flitch all to rotate and be connected with a plurality of commentaries on classics rollers.

(III) beneficial effects

Compared with the prior art, the invention provides an automatic feeding and discharging type four-column hydraulic machine, which has the following beneficial effects:

1. according to the invention, the rotating mechanism can drive the rotating shaft and the rotating plate to rotate, the feeding mechanism and the material taking mechanism are driven to rotate, the material taking mechanism can be driven to grasp raw materials through the feeding mechanism, the material feeding plate can be driven to lift through the lifting mechanism, the raw materials are driven to rise to the processing height, the feeding mechanism is driven to rotate to face the direction of the base, the material taking mechanism can be driven to approach the processing position through the feeding mechanism, the raw materials are conveyed to the processing position, and the pressing plate and the workbench are driven to be matched to process workpieces through the hydraulic cylinder, so that the feeding function is realized.

2. According to the invention, the workbench can be driven to rotate around the rotating rod under the action of the turnover mechanism, so that the die is driven to turn over, the workpiece subjected to pressure processing is demolded from the die after die opening and falls on the receiving plate, the receiving plate can be driven to rotate through the first electric cylinder, the workpiece is driven to slide onto the chain plate conveyor, and the workpiece is transported to a proper position through the chain plate conveyor.

Drawings

FIG. 1 is a schematic perspective view of the whole upper part of a loading plate in the invention;

FIG. 2 is a schematic view of a partial enlarged structure of the present invention at A in FIG. 1;

FIG. 3 is a schematic view of the overall perspective view of the loading plate at another angle in the present invention;

FIG. 4 is a schematic view of a partial enlarged structure at B in FIG. 3 according to the present invention;

FIG. 5 is a schematic view of a partially sectioned perspective view of a loading plate in the present invention;

FIG. 6 is a schematic view of a partially enlarged structure of the present invention at C in FIG. 5;

FIG. 7 is a schematic perspective view of the whole lower part of the loading plate in the invention;

FIG. 8 is a schematic exploded perspective view of the second motor, drive gear, driven gear, mounting plate, etc. of the present invention;

FIG. 9 is a schematic view of a partially enlarged structure of the present invention at D in FIG. 8;

FIG. 10 is a schematic view of a partially cut-away perspective structure of the base, die, receiving plate, first electric cylinder, etc. of the present invention;

FIG. 11 is a schematic view of a partially enlarged structure of FIG. 10E according to the present invention;

fig. 12 is a schematic perspective view of the moving plate, the first motor, the first screw, the driving block and the like.

In the figure: 1. a base; 2. a hydraulic cylinder; 3. a pressing plate; 4. a mold; 5. a guide post; 6. a feeding plate; 7. a loading plate; 8. a rotating shaft; 9. a rotating plate; 10. a receiving plate; 11. a first electric cylinder; 12. a support frame; 13. a chain plate conveyor; 14. a work table; 15. a second electric cylinder; 16. a moving plate; 17. a first motor; 18. a first screw; 19. a driving block; 20. a connecting plate; 21. a first chain; 22. a first sprocket; 23. a limit rod; 24. a second motor; 25. a drive gear; 26. a driven gear; 27. a mounting plate; 28. a slide block; 29. a third electric cylinder; 30. a third motor; 31. a second screw; 32. a support plate; 33. a mounting frame; 34. a fourth electric cylinder; 35. a lifting plate; 36. a movable seat; 37. a fourth motor; 38. an adjusting rod; 39. a fifth motor; 40. a driving rod; 41. a second chain; 42. a second sprocket; 43. a clamping plate; 44. a vacuum chuck; 45. a first mounting bar; 46. an electromagnet; 47. a second mounting bar; 48. a baffle; 49. and (5) rotating the roller.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

Referring to fig. 1 to 12, an automatic feeding and discharging four-column hydraulic press comprises a base 1, a hydraulic cylinder 2, a pressing plate 3 and four guide columns 5, wherein the top end of the base 1 is connected with an upper cross beam through the four guide columns 5, the hydraulic cylinder 2 is arranged on the upper cross beam, the hydraulic cylinder 2 is provided with a hydraulic transmission system such as a hydraulic pump station, the hydraulic cylinder 2 can drive the pressing plate 3 to lift along the four guide columns 5 and cooperate with the base 1 to generate extrusion force for processing workpieces, the automatic feeding and discharging four-column hydraulic press further comprises a feeding device and a discharging device, the feeding device comprises a feeding plate 6 and a feeding plate 7, the feeding plate 6 is rotationally connected with the base 1, the base 1 is fixedly connected with two rotating frames, the feeding plate 6 is rotationally connected between the two rotating frames through a mounting rod, the feeding plate 7 is rotationally connected with the feeding plate 6, the base 1 is connected with a lifting mechanism for driving the feeding plate 7 to lift, the lifting mechanism comprises a second electric cylinder 15, two moving plates 16 and a moving mechanism for driving the moving plates 16 to move, wherein an electric cylinder mounting groove is formed in the base 1, the second electric cylinder 15 is rotatably mounted in the electric cylinder mounting groove, the output end of the second electric cylinder 15 is rotatably connected with the bottom end of the feeding plate 6, the feeding plate 6 can be driven to rotate around a mounting rod through the expansion and contraction of the second electric cylinder 15, meanwhile, the feeding plate 6 can be rotated to a horizontal state from a vertical state through the rotation of the second electric cylinder 15, the feeding plate 7 is matched with the lifting of the feeding plate 7, workpieces are conveyed by matching with the feeding plate 7, the moving mechanism comprises a first motor 17, two first screws 18, a transmission assembly and a limiting assembly, the first screws 18 are rotatably connected with the base 1, the interior of the base 1 is of a hollow structure, the first motor 17 is mounted in the base 1, the output end of the first motor 17 is fixedly connected with the corresponding first screw 18, the two first screws 18 are in transmission connection through a transmission assembly, the transmission assembly comprises a first chain 21 and two first chain wheels 22, the first chain wheels 22 are fixedly sleeved on the periphery of the corresponding first screws 18, the two first chain wheels 22 are in transmission connection through the first chain 21, a transmission port matched with the first chain 21 is formed in the base 1, the two first chain wheels 22 are synchronously rotated under the action of the first chain 21, so that synchronous rotation of the two first screws 18 is realized, the moving plate 16 is in threaded connection with the corresponding first screws 18, the feeding plate 7 is positioned between the two moving plates 16, the feeding plate 7 is fixedly connected with two driving blocks 19, driving grooves matched with the driving blocks 19 are formed in the moving plate 16, a connecting plate 20 is fixedly connected between the two moving plates 16, the limiting assembly is fixedly connected with the base 1, the limiting assembly comprises a plurality of limiting rods 23, the fixing plate is fixedly connected with the base 1 through the limiting rods 23, the connecting plate 20 is provided with the limiting rods 23, the corresponding limiting rods 23 can axially move along the two moving plates 16, the two moving plates can axially move along the corresponding first screw 16 and the corresponding driving plates 16, the two moving plates 16 can be axially matched with the corresponding driving plates 16 through the limiting rods 23, the corresponding driving grooves 23 can axially move along the two moving plates 16, the moving plates 16 can realize the moving plates 16, and can realize the axial movement of the corresponding moving plates and can realize the movement of the moving and can through the corresponding driving plates 16 and the corresponding driving plates 16, thereby drive loading board 7 and go up and down, drive the work piece and rise to the processing height, be convenient for follow-up pay-off work, make loading board 7 be in all the time with the perpendicular state of movable plate 16 under the effect of drive piece 19, be parallel to ground state promptly, can guarantee the stability of work piece, wherein the slip setting between drive piece 19 and the drive groove is comparatively smooth and easy, comparatively smooth and the unblock in the time of guaranteeing that drive piece 19 drive loading board 7 promotes, can install the electric cylinder on the top of movable plate 16, the bottom output of electric cylinder stretches into the drive groove inside and is connected with drive piece 19 top, stretch out with loading board 7 at the loading board 6, give drive piece 19 pulling force through the electric cylinder, can guarantee that this action is smooth and easy going on.

It should be further noted that, the top of the feeding plate 7 is rotatably connected with the rotating plate 9 through the rotating shaft 8, and the feeding plate 7 is connected with a rotating mechanism for driving the rotating plate 9 to rotate, the rotating mechanism includes a second motor 24, a driving gear 25 and a driven gear 26, a motor slot is provided on the feeding plate 7, the second motor 24 is installed inside the motor slot, the driving gear 25 is fixedly connected to the top of the second motor 24, the driven gear 26 is fixedly sleeved on the periphery of the rotating shaft 8, and the driven gear 26 is meshed with the driving gear 25, the driving gear 25 can be driven to rotate through the second motor 24, thereby driving the driven gear 26 and the rotating shaft 8 to rotate, the rotating plate 9 can grasp workpieces at different positions, the top of the rotating plate 9 is slidably connected with a feeding mechanism, the feeding mechanism is connected with a material taking mechanism, the feeding mechanism includes a mounting plate 27, a slide block 28, a third electric cylinder 29 and a sliding mechanism for driving the mounting plate 27 to slide, the slide block 28 is fixedly connected to the bottom of the mounting plate 27, a chute matched with the slide block 28 is provided on the rotating plate 9, the third electric cylinder 29 is fixedly installed on the mounting plate 27, the motor 27 is fixedly connected to the motor, the slide mechanism includes a third screw 31 and a second support plate 31 and a second screw 31 are fixedly connected to the top of the second support plate 30 and a second screw 31, and a third screw 31 is fixedly connected to the second screw 31 and a second screw 31 is rotatably connected to the second screw 30 through the screw 31 and a third screw 31 and a second screw 31 is rotatably connected to the second screw 31, the position of the third electric cylinder 29 along the length direction of the sliding groove is regulated, the position of the workpiece is regulated, the material taking mechanism can be driven to move through the extension and contraction of the third electric cylinder 29, thereby the workpiece at different positions is grabbed, the material taking mechanism can be driven to drive the workpiece to move to the processing position for feeding, the material taking mechanism comprises a mounting frame 33, a fourth electric cylinder 34, a lifting plate 35, two movable seats 36 and a clamping mechanism for driving the two movable seats 36 to move, the mounting frame 33 is fixedly connected to the output end of the third electric cylinder 29, the fourth electric cylinder 34 is fixedly arranged at the bottom end of the mounting frame 33, the lifting plate 35 is fixedly connected to the bottom output end of the fourth electric cylinder 34, the lifting plate 35 is provided with a movable groove matched with the movable seat 36, the clamping mechanism comprises a fourth motor 37 and an adjusting rod 38, the adjusting rod 38 is rotationally connected to the inside of the movable groove, the fourth motor 37 is fixedly arranged on the side wall of the lifting plate 35, two external threads which are opposite in rotation directions are arranged at the periphery of the adjusting rod 38, the movable seat 36 is symmetrically arranged at the periphery of the adjusting rod 38, the two external threads which are in a position which is opposite to the lifting rod 36, the movable seat 36 can be driven by the movable seat 36 through the corresponding to the movable seat 36, the movable seat can be driven by the movable seat 36 to realize the opposite rotation of the movable seat 38, and the movable seat can realize the function of the movable seat is realized by the movable seat, and the movable seat is realized by the movable seat 36, make the work piece can promote and rotate to the top of flitch 7, be convenient for transport the work piece, the grip block 43 can be selected for use to the holder, two grip blocks 43 are symmetrical arrangement, grip block 43 can be dismantled with remove seat 36 and be connected, can carry out the centre gripping to massive or the work piece that has a take the altitude through two grip blocks 43 of symmetrical arrangement, the draw-in groove has been seted up on removing seat 36, grip block 43 slidable mounting is in the inside of draw-in groove, and grip block 43 can dismantle with removing seat 36 through the bolt and be connected, can realize convenient dismouting to grip block 43 through the bolt.

Still further to explain, the blanking device includes the receiving plate 10, the receiving plate 10 articulates in the one end that the feed mechanism was kept away from to base 1, the first electronic jar 11 of installation is rotated to base 1, the output of first electronic jar 11 and the bottom of receiving plate 10 rotate and connect, can drive the receiving plate 10 and rotate around the junction with base 1 through the flexible of first electronic jar 11, the receiving plate 10 rotates to the horizontality or to the state of base 1 slope and can accept the work piece, the receiving plate 10 is kept away from one side of base 1 and is rotated downwards and slope, can make the work piece on the receiving plate 10 slide, base 1 fixedly connected with support frame 12, the internally mounted of support frame 12 has chain plate conveyor 13, chain plate conveyor 13 can transport the work piece that slides from receiving plate 10, chain plate conveyor's surface is provided with a plurality of dogs, can block the work piece, avoiding slipping off, thereby transporting the processed workpiece to a proper position for subsequent further treatment, a rotary groove is formed on the base 1, a workbench 14 is connected in the rotary groove in a rotary way through a rotary rod, a die 4 is arranged on the workbench 14 and the pressing plate 3, the base 1 is connected with a turnover mechanism for driving the workbench 14 to turn over, the turnover mechanism comprises a fifth motor 39, a driving rod 40, a second chain 41 and two second chain wheels 42, a transmission groove is formed in the base 1, the fifth motor 39 is arranged in the transmission groove, the transmission groove is communicated with the outside through a plurality of heat dissipation holes so as to facilitate heat dissipation of the fifth motor 39, the driving rod 40 is fixedly connected to the output end of the fifth motor 39, the second chain wheels 42 are respectively fixedly sleeved on the peripheries of the rotary rod and the driving rod 40, the two second chain wheels 42 are in transmission connection through the second chain 41, the driving rod 40 and the corresponding second chain wheel 42 can be driven to rotate through the fifth motor 39, the two second chain wheels 42 can synchronously rotate under the transmission action of the second chain 41, so that the rotating rod and the workbench 14 are driven to rotate, the workbench 14 overturns around the rotating rod to drive the lower die 4 connected with the workbench 14 to overturn, a workpiece subjected to pressure processing is demolded from the inside of the lower die 4 and falls into the inside of the receiving plate 10, the automatic feeding and discharging type four-column hydraulic press is realized, baffles 48 are fixedly connected to two sides of the top end of the feeding plate 6, a plurality of rotating rollers 49 are rotatably connected between the two baffles 48 and in the inside of the receiving plate 10, friction between the workpiece and the feeding plate 6 or the receiving plate 10 can be reduced through rotation of the rotating rollers 49, and the workpiece is convenient to transfer.

Example 2

Referring to fig. 1 and 2, in embodiment 2, based on embodiment 1, the clamping member may be a vacuum chuck 44, the vacuum chuck 44 is detachably connected with the movable seat 36, a plate-shaped or sheet-shaped workpiece may be sucked by the vacuum chuck 44, the vacuum chuck 44 is fixedly connected with a first mounting rod 45, a clamping groove is formed in the movable seat 36, the first mounting rod 45 is slidably mounted in the clamping groove, the first mounting rod 45 is detachably connected with the movable seat 36 through a bolt, the first mounting rod 45 and the vacuum chuck 44 can be conveniently dismounted through the bolt, the vacuum chuck 44 is provided with an air suction system, the vacuum chuck 44 and the air suction system can be connected when the vacuum chuck 44 is mounted on the movable seat 36, and pipelines and the like in the air suction system are limited in actual production, so that the blockage of feeding and discharging of the automatic feeding and discharging type four-column hydraulic press, the pressure operation and the like is avoided.

Example 3

Referring to fig. 7 and 8, in embodiment 3, based on embodiment 1, the clamping member may be an electromagnet 46, the electromagnet 46 is detachably connected with the movable seat 36, the electromagnet 46 may adsorb a workpiece made of ferrous metal, the electromagnet 46 is fixedly connected with a second mounting rod 47, a clamping groove is formed in the movable seat 36, the second mounting rod 47 is slidably mounted in the clamping groove, the second mounting rod 47 is detachably connected with the movable seat 36 through a bolt, the second mounting rod 47 and the electromagnet 46 can be conveniently dismounted through the bolt, the electromagnet 46 is provided with a power line, the electromagnet 46 can be connected when being mounted on the movable seat 36, the power line and the like are limited in actual production, and the interference of the electromagnet on loading and unloading of the automatic loading and unloading type four-column hydraulic machine, pressure operation and the like is avoided.

When the automatic feeding and discharging four-column hydraulic press is used for carrying out pressure processing on a workpiece, a processor installs a corresponding die 4 at a corresponding position of a pressing plate 3 and a workbench 14, raw materials are placed around a feeding plate 7 of the automatic feeding and discharging four-column hydraulic press, the processor selects clamping pieces according to the material and shape of the material to be processed, the clamping plate 43, a vacuum chuck 44 or an electromagnet 46 is installed on a movable seat 36 through bolts, the initial feeding plate 7 is at the lowest position, the movable plate 16 is at a position close to a base 1, a second electric cylinder 15 is in a contracted state, a feeding plate 6 is in a vertical state and is close to the base 1, the processor starts a second motor 24, the second motor 24 drives a driving gear 25 to rotate, thereby driving a driven gear 26 and a rotating shaft 8 to rotate, the rotating plate 9 drives a mounting plate 27 and the like to rotate, the angle of a third electric cylinder 29 is adjusted, the machining personnel rotating to the proper position controls the third electric cylinder 29 to be opened, the third electric cylinder 29 drives the mounting frame 33 to move so as to drive the clamping pieces and the like to move, the clamping pieces move to the corresponding raw material positions, if the clamping pieces select the clamping plates 43, the two clamping plates 43 are positioned at the mutual distance devices, the third electric cylinder 29 drives the two clamping plates 43 to move to the two sides of the workpiece raw material, the machining personnel controls the fourth electric cylinder 34 to be opened, drives the clamping plates 43 to descend to the lower position, simultaneously controls the fourth motor 37 to be opened, the fourth motor 37 drives the adjusting rod 38 to rotate so as to drive the two moving seats 36 to be close to each other, drives the two clamping plates 43 to clamp the workpiece, if the clamping pieces select the vacuum chuck 44 or the electromagnet 46, the third electric cylinder 29 drives the vacuum chuck 44 or the electromagnet 46 to move to the upper part of the workpiece raw material, the processing personnel controls the fourth motor 37 to start and adjust the approximate position of the vacuum chuck 44 or the electromagnet 46, then the processing personnel controls the fourth electric cylinder 34 to start and drive the vacuum chuck 44 or the electromagnet 46 to descend and contact the surface of a workpiece, the vacuum chuck 44 and the electromagnet 46 start to absorb and grab the raw material of the workpiece, then the operating personnel starts the first motor 17 and the second electric cylinder 15, the first motor 17 drives the first screw 18 to rotate, the two first screws 18 are synchronously rotated under the transmission action of the first chain wheel 22 and the first chain 21, the two moving plates 16 are driven to move in the direction away from the base 1, the feeding plate 7 is driven to move upwards in parallel, the second electric cylinder 15 stretches and drives the feeding plate 6 to rotate upwards, finally the feeding plate 6 and the feeding plate 7 are lifted to a horizontal state, the raw material of the workpiece is driven to ascend, then the processing personnel starts the second motor 24 to drive the rotating shaft 8 to rotate, the output end of the third electric cylinder 29 is rotated to the direction facing the die 4, then the processing personnel starts the third electric cylinder 29, the third electric cylinder 29 drives the mounting frame 33, the clamping piece and the like to move to the processing position, after moving to the processing position, the operating personnel starts the third motor 30, the third motor 30 drives the second screw 31 to rotate, the position of the third electric cylinder 29 is adjusted, thereby adjusting the position of the workpiece to move to the proper position of the die 4, then the operating personnel controls the fourth motor 37 to reverse to enable the two clamping plates 43 to be separated from each other, or controls the vacuum chuck 44 or the electromagnet 46 to close, the workpiece is placed on the lower die 4 to finish the feeding work, then the third electric cylinder 29 is contracted to drive the mounting frame 33, the clamping piece and the like to move to the original position, the first motor 17 is reversed, the second electric cylinder 15 is contracted to drive the feeding plate 6 to rotate to the vertical state, the feeding plate 7 descends to the lowest position, and the subsequent feeding work is continued.

After the feeding is finished, a processing personnel starts the hydraulic cylinder 2, the hydraulic cylinder 2 drives the pressing plate 3 and the upper die 4 to descend, the hydraulic cylinder 2 cooperates with the lower die 4 to extrude and shape a workpiece, the hydraulic cylinder 2 drives the pressing plate 3 and the upper die 4 to ascend after the forming, the fifth motor 39 starts, the second sprocket 42 and the second chain 41 drive the rotating rod and the workbench 14 to overturn under the transmission action, the lower die 4 is made to overturn, the processed workpiece slides from the lower die 4, the initial first electric cylinder 11 is in an extending state, the receiving plate 10 is in a horizontal state or a state inclined towards the base 1, the workpiece is received, the fifth motor 39 reversely rotates to drive the workbench 14 and the lower die 4 to return to a horizontal state, then the first electric cylinder 11 shortens and drives one side of the receiving plate 10 away from the base 1 to incline downwards, so that the workpiece inside the chain plate conveyor 13 slides on the chain plate conveyor 13, the moving direction of the upper part of the chain plate conveyor is away from the base 1, the workpiece is transported to a proper position to carry out subsequent processing treatment, and the first electric cylinder 11 extends to drive the receiving plate 10 to rotate to a horizontal state for next working.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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. An automatic feeding and discharging four-column hydraulic press comprises a base (1), a hydraulic cylinder (2), a pressing plate (3), a die (4) and four guide columns (5), and is characterized by further comprising a feeding device and a discharging device;

the feeding device comprises a feeding plate (6) and a feeding plate (7), the feeding plate (6) is rotationally connected with a base (1), the feeding plate (7) is rotationally connected with the feeding plate (6), the base (1) is connected with a lifting mechanism for driving the feeding plate (7) to lift, the top end of the feeding plate (7) is rotationally connected with a rotating plate (9) through a rotating shaft (8), the feeding plate (7) is connected with a rotating mechanism for driving the rotating plate (9) to rotate, the top end of the rotating plate (9) is slidingly connected with a feeding mechanism, and the feeding mechanism is connected with a material taking mechanism;

the blanking device comprises a receiving plate (10), the receiving plate (10) is hinged to one end, far away from the feeding mechanism, of the base (1), a first electric cylinder (11) is rotatably installed on the base (1), the output end of the first electric cylinder (11) is rotatably connected with the bottom end of the receiving plate (10), a supporting frame (12) is fixedly connected to the base (1), and a chain plate type conveyor (13) is installed in the supporting frame (12);

the rotary groove is formed in the base (1), a workbench (14) is connected in the rotary groove through a rotary rod in a rotary mode, the die (4) is installed on the workbench (14) and the pressing plate (3), and the base (1) is connected with a turnover mechanism used for driving the workbench (14) to turn over.

2. The automatic feeding and discharging four-column hydraulic machine according to claim 1, wherein the lifting mechanism comprises a second electric cylinder (15), two moving plates (16) and a moving mechanism for driving the moving plates (16) to move, an electric cylinder mounting groove is formed in the base (1), the second electric cylinder (15) is rotatably mounted in the electric cylinder mounting groove, and the output end of the second electric cylinder (15) is rotatably connected with the bottom end of the feeding plate (6);

the moving mechanism comprises a first motor (17), two first screws (18), a transmission assembly and a limiting assembly, wherein the first screws (18) are rotationally connected with the base (1), the inside of the base (1) is of a hollow structure, the first motor (17) is installed in the base (1), the output end of the first motor (17) is fixedly connected with the corresponding first screws (18), the two first screws (18) are in transmission connection through the transmission assembly, the moving plate (16) is in threaded connection with the corresponding first screws (18), the feeding plate (7) is positioned between the two moving plates (16), the feeding plate (7) is fixedly connected with two driving blocks (19), driving grooves matched with the driving blocks (19) are formed in the moving plates (16), a connecting plate (20) is fixedly connected between the two moving plates (16), and the limiting assembly is fixedly connected with the base (1);

the transmission assembly comprises a first chain (21) and two first chain wheels (22), wherein the first chain wheels (22) are fixedly sleeved on the periphery of the corresponding first screw rod (18), the two first chain wheels (22) are in transmission connection through the first chain (21), and a transmission port matched with the first chain (21) is formed in the base (1);

the limiting assembly comprises a fixing plate and a plurality of limiting rods (23), wherein the fixing plate is fixedly connected with the base (1) through the limiting rods (23), and a plurality of limiting holes matched with the limiting rods (23) are formed in the connecting plate (20).

3. The automatic feeding and discharging four-column hydraulic machine according to claim 1, wherein the rotating mechanism comprises a second motor (24), a driving gear (25) and a driven gear (26), a motor groove is formed in the feeding plate (7), the second motor (24) is installed in the motor groove, the driving gear (25) is fixedly connected to the top end of the second motor (24), the driven gear (26) is fixedly sleeved on the periphery of the rotating shaft (8), and the driven gear (26) is meshed with the driving gear (25).

4. The automatic feeding and discharging four-column hydraulic machine according to claim 3, wherein the feeding mechanism comprises a mounting plate (27), a sliding block (28), a third electric cylinder (29) and a sliding mechanism for driving the mounting plate (27) to slide, the sliding block (28) is fixedly connected to the bottom end of the mounting plate (27), a sliding groove matched with the sliding block (28) is formed in the rotating plate (9), and the third electric cylinder (29) is fixedly installed on the mounting plate (27);

the sliding mechanism comprises a third motor (30) and a second screw rod (31), wherein the top end of the rotating plate (9) is fixedly connected with two supporting plates (32), the second screw rod (31) is rotationally connected between the two supporting plates (32), the third motor (30) is installed on the corresponding supporting plates (32), the output end of the third motor (30) is fixedly connected with the second screw rod (31), and the mounting plate (27) is in threaded connection with the second screw rod (31).

5. The automatic feeding and discharging four-column hydraulic machine according to claim 4, wherein the material taking mechanism comprises a mounting frame (33), a fourth electric cylinder (34), a lifting plate (35), two movable seats (36) and a clamping mechanism for driving the two movable seats (36) to move, the mounting frame (33) is fixedly connected with the output end of the third electric cylinder (29), the fourth electric cylinder (34) is fixedly arranged at the bottom end of the mounting frame (33), the lifting plate (35) is fixedly connected with the bottom output end of the fourth electric cylinder (34), and a movable groove matched with the movable seat (36) is formed in the lifting plate (35);

the clamping mechanism comprises a fourth motor (37) and an adjusting rod (38), the adjusting rod (38) is rotationally connected to the inside of the moving groove, the fourth motor (37) is fixedly installed on the side wall of the lifting plate (35), the adjusting rod (38) is fixedly connected with the output end of the fourth motor (37), two external threads opposite in rotation direction are arranged on the periphery of the adjusting rod (38), the moving seat (36) is symmetrically arranged on the periphery of the adjusting rod (38), the moving seat (36) is in threaded connection with corresponding external thread sections, and the clamping piece is detachably connected with the moving seat (36).

6. The automatic feeding and discharging four-column hydraulic machine according to claim 1, wherein the turnover mechanism comprises a fifth motor (39), a driving rod (40), a second chain (41) and two second chain wheels (42), a transmission groove is formed in the base (1), the fifth motor (39) is installed in the transmission groove, the driving rod (40) is fixedly connected to the output end of the fifth motor (39), the second chain wheels (42) are fixedly sleeved on the peripheries of the rotating rod and the driving rod (40) respectively, and the two second chain wheels (42) are in transmission connection through the second chain (41).

7. The automatic feeding and discharging four-column hydraulic machine according to claim 5, wherein the clamping piece is a clamping plate (43), the two clamping plates (43) are symmetrically arranged, and the clamping plate (43) is detachably connected with the movable seat (36).

8. The automatic feeding and discharging four-column hydraulic machine according to claim 5, wherein the clamping piece is a vacuum chuck (44), the vacuum chuck (44) is fixedly connected with a first mounting rod (45), and the first mounting rod (45) is detachably connected with the movable seat (36).

9. The automatic feeding and discharging four-column hydraulic machine according to claim 5, wherein the clamping piece is an electromagnet (46), the electromagnet (46) is fixedly connected with a second mounting rod (47), and the second mounting rod (47) is detachably connected with the movable seat (36).

10. The automatic feeding and discharging four-column hydraulic machine according to claim 1, wherein two sides of the top end of the feeding plate (6) are fixedly connected with baffle plates (48), and a plurality of rotating rollers (49) are rotatably connected between the two baffle plates (48) and inside the receiving plate (10).