CN106180700B

CN106180700B - Automatic cold press

Info

Publication number: CN106180700B
Application number: CN201610548839.8A
Authority: CN
Inventors: 李天发
Original assignee: Fujian Huatian Machinery Co ltd
Current assignee: Fujian Huatian Machinery Co ltd
Priority date: 2016-07-13
Filing date: 2016-07-13
Publication date: 2021-02-12
Anticipated expiration: 2036-07-13
Also published as: CN106180700A

Abstract

The invention relates to an automatic cold press which comprises a rack, an upper press head seat, an upper press head, a lower press head seat, a lower press head, a workbench, a die cavity, a feeding device and a driving mechanism, wherein the die cavity is arranged on the workbench and matched with the upper press head and the lower press head, the feeding device is used for driving the feeding device to move towards the die cavity, the driving mechanism is used for driving the upper press head and the lower press head to move up and down, the position, corresponding to the die cavity, of a discharge hole of the feeding device is taken as a first station, the position, away from the die cavity, of the discharge hole of the feeding device is taken as a second station, and the feeding device is provided with a first driving part and a second driving part, wherein the first driving part is used for driving the feeding device to. After the technical scheme is adopted, the feeding device is driven to move back and forth near the first work part by the second driving part, so that the shaking effect of the feeding device is realized, the material powder uniformly falls into the die cavity, and the cold pressing quality of the product is improved.

Description

Automatic cold press

Technical Field

The invention relates to an automatic cold press.

Background

As is known, an automatic cold press for pressing metallurgical powder generally comprises a frame, an upper support body which is arranged above the frame in a vertically movable manner, an upper pressure head seat which is arranged at the lower part of the upper support body, an upper pressure head which is arranged at the lower end of the upper pressure head seat, a guide body which is arranged on the frame and is provided with a guide hole matched with the upper pressure head seat, a lower support body which is arranged below the frame in a vertically movable manner, a lower pressure head seat which is arranged on the lower support body, a lower pressure head which is arranged on the lower pressure head seat and is opposite to the upper pressure head, a workbench which is arranged between the upper pressure head and the lower pressure head in a vertically movable manner, a resetting elastic part which is arranged between the workbench and the frame, a die frame which is arranged on the workbench and is matched with the upper pressure head and the lower pressure head, a distributing device which is arranged on the workbench, a feeding device which is, the die frame is provided with a die hole which is communicated up and down and is matched with the upper pressing head and the lower pressing head. In the cold press, a material distributing device (or a material feeding device) is generally driven by an air cylinder or an oil cylinder to move towards a die hole to convey material powder, and in use, the problem that the material block is difficult to form a preset shape and the material block is uneven after the material powder is cold-pressed is found because certain humidity and viscosity exist among the material powder, and the material powder is difficult to uniformly fill in the die hole after the material powder is conveyed into the die hole from the material distributing device, so that the material block needs to be treated again subsequently, and the production efficiency and the product quality are influenced.

Accordingly, the present inventors have made extensive studies to solve the above problems and have made the present invention.

Disclosure of Invention

The invention aims to provide an automatic cold press which can uniformly feed materials and improve the product quality.

In order to achieve the purpose, the invention adopts the following technical scheme:

an automatic cold press comprises a frame, an upper pressure head seat which can be vertically moved and arranged at the upper part of the frame, an upper pressure head which is arranged on the upper pressure head seat, a lower pressure head seat which can be vertically moved and arranged at the lower part of the frame, a lower pressure head which is arranged on the lower pressure head seat and is matched with the upper pressure head, a workbench which is arranged between the upper pressure head and the lower pressure head and can be vertically moved, a die cavity which is arranged on the workbench and is matched with the upper pressure head and the lower pressure head, a feeding device for conveying material powder, a feeding device for driving the feeding device to move towards the die cavity and a driving mechanism for driving the upper pressure head and the lower pressure head, the position of the discharge hole of the feeding device corresponding to the mold cavity is taken as a first station, the position of the discharge hole of the feeding device leaving the mold cavity is taken as a second station, the feeding device is provided with a first driving part and a second driving part, wherein the first driving part drives the feeding device to move back and forth between a first station and a second station, and the second driving part is used for driving the feeding device to move back and forth near the first station.

As a preferable mode of the present invention, the workbench is provided with a slide rail, the feeding device is slidably disposed on the slide rail, the workbench is provided with a horizontally disposed connecting rod, one end of the connecting rod is hinged to the feeding device, the other end of the connecting rod is hinged to a pull rod disposed along a vertical direction, the rack is provided with a rotating shaft, the pull rod is rotatably disposed on the rotating shaft, the first driving portion is a first slide groove disposed on the pull rod, the second driving portion is a second slide groove disposed on the pull rod, the upper press head seat is connected with a slide shaft capable of sliding in the first slide groove and the second slide groove, and the rotating shaft is disposed between the slide shaft and a lower end of the pull rod.

As a preferable mode of the present invention, the rotating shaft and the sliding shaft are both perpendicular to the pull rod.

As a preferable mode of the present invention, the first chute is communicated with the second chute, the second chute has a first guiding portion for driving the feeding device to horizontally move in the first direction near the first station and a second guiding portion for driving the feeding device to horizontally move in the direction opposite to the first direction, and the first guiding portion is in transition connection with the second guiding portion.

As a preferred mode of the present invention, the number of the die cavities is two, and the die cavities are a first die cavity and a second die cavity, the feeding device includes a material distribution box and a feeding pipe, one end of the feeding pipe is connected to the feeding device, the other end of the feeding pipe is connected to a feeding port of the material distribution box, a discharging port of the material distribution box is arranged corresponding to the die cavity, the feeding pipe includes a first feeding pipe and a first feeding pipe for conveying the first powder and a second feeding pipe for conveying the second powder, the first feeding pipe is arranged corresponding to the first die cavity, the first feeding pipe is arranged corresponding to the second die cavity, the second feeding pipe is arranged between the first feeding pipe and the first feeding pipe, and the second feeding pipe is arranged corresponding to the first die cavity and the second die cavity.

As a preferable mode of the present invention, the workbench is provided with a slide rail, the slide rail is provided with a slide block capable of sliding on the slide rail, the feeding device further includes a mounting plate for mounting the feeding pipe, one end of the mounting plate close to the die cavity is a first end, the opposite end is a second end, the first end is provided with a first adjusting bolt assembly, the second end is provided with a second adjusting bolt assembly, the first adjusting bolt assembly includes a first bolt fixed on the mounting plate, a first upper nut and a first lower nut disposed on the first bolt, and a top pressure spring disposed between the first upper nut and the upper surface of the mounting plate, the second adjusting bolt assembly includes a second bolt, a second upper nut and a second lower nut engaged on the second bolt, and the mounting plate is disposed between the second upper nut and the second lower nut.

As a preferred mode of the present invention, the upper pressure head seat is connected with a pressure lever, the lower portion of the pressure lever is provided with a pressure relief device, the upper pressure head is connected to the lower end of the pressure relief device, the pressure relief device includes a cylinder body, an oil can communicated with the cylinder body, and an oil circuit switch arranged between the cylinder body and the oil can, the lower end of the pressure lever extends into the cylinder body, the cylinder body is provided with a pressure cover for limiting the pressure lever to slide out, an oil pressure chamber is formed between the lower end of the pressure lever and the bottom of the cylinder body, the oil can is communicated with the oil pressure chamber, the pressure lever is provided with an oil loading channel, one end of the oil loading channel is communicated with the oil pressure chamber, the other end of the oil loading channel is provided with a plugging component, an elastic component is arranged in the oil.

In a preferred aspect of the present invention, a guide groove is provided at a lower end of the pressing rod, the guide groove extends upward from the lower end of the pressing rod, the elastic member is a spring, and an upper end of the spring is received in the guide groove.

As a preferable mode of the present invention, the driving mechanism includes a main motor, a transmission shaft rotatably disposed on the frame, and a first eccentric member disposed on the transmission shaft, the transmission shaft is in transmission connection with the main motor, the upper press head seat is connected with the first eccentric member through a first transmission rod, the transmission shaft is further provided with a second eccentric member for driving the lower press head to move up and down, and the second eccentric member is disposed corresponding to the lower end of the lower press head.

As a preferred mode of the present invention, a support plate is disposed below the worktable, the support plate is connected to the frame, a guide post is disposed on the support plate, the worktable is slidably disposed on the guide post, and a return spring is disposed between an upper end surface of the support plate and a lower end surface of the worktable and penetrates through the guide post.

After the technical scheme is adopted, the feeding device is driven to move back and forth near the first station by the second driving part, so that the effect of back and forth swing of the feeding device is realized, the material powder uniformly falls into the die cavity, and the cold pressing quality of the product is improved.

Drawings

FIG. 1 is a schematic view of the structure of the present invention (the main motor is not shown);

FIG. 2 is a schematic view of another embodiment of the present invention (the main motor is not shown);

FIG. 3 is a schematic view in partial cutaway of the present invention;

FIG. 4 is a schematic view of the structure of the tie rod and the connecting rod of the present invention;

FIG. 5 is a schematic structural view of the pull rod in cooperation with the slide shaft and the rotating shaft according to the present invention;

FIG. 6 is a schematic view of a cross-sectional structure of the pressure relief device according to the present invention;

FIG. 7 is a schematic view of the structure of a feeding device in the present invention;

FIG. 8 is a schematic view of a pressed blade according to the present invention;

in the figure:

10-frame 11-working table

12-die cavity 121-first die cavity

122-second mold cavity 13-support plate

14-slide block 15-slide rail

16-return spring 17-guide post

20-upper press head seat 21-upper press head

30-lower press head seat 33-guide rod piece

411-first bolt 412-first upper nut

413-top pressure spring 421-second bolt

422-second upper nut 43-cloth box

44-mounting plate 451-first feed tube

452-first feeding tube 453-second feeding tube

51-connecting rod 52-pull rod

53-first runner 54-second runner

541-first guiding part 542-second guiding part

55-rotating shaft 56-sliding shaft

60-pressure relief device 61-cylinder body

62-pressure bar 63-oilcan

64-oil pressure chamber 65-spring

66-oil path switch 67-oil loading channel

68-gland 69-retainer ring

71-drive shaft 72-first eccentric

73-second eccentric 74-Gear

75-first transfer bar 80-blade

81-welding bar

Detailed Description

In order to further explain the technical scheme of the invention, the following detailed description is combined with the accompanying drawings.

Referring to fig. 1 to 8, an automatic cold press comprises a frame 10, an upper press head seat 20 arranged at the upper part of the frame 10 in a vertically movable manner, an upper press head 21 arranged on the upper press head seat 20, a lower press head seat 30 arranged at the lower part of the frame 10 in a vertically movable manner, a lower press head 31 arranged on the lower press head seat 30 and matched with the upper press head 21, a workbench 11 arranged between the upper press head 21 and the lower press head 31 in a vertically movable manner, a die cavity 12 arranged on the workbench 11 and matched with the upper press head 21 and the lower press head 31, a feeding device for conveying powder, a feeding device for driving the feeding device to move towards the die cavity 12, and a driving mechanism for driving the upper press head 21 and the lower press head 31 to move vertically, wherein a position of a discharge port of the feeding device corresponding to the die cavity 12 is a first station, a position of a discharge port of the feeding device leaving the die cavity 12 is a second station, and the feeding device is provided with a first driving part and a second station for driving the feeding device And the second driving part is used for driving the feeding device to move back and forth near the first station. Drive feed arrangement through first drive division and remove and carry out the transport of material powder to die cavity 12 department, after the material powder is carried and is accomplished, drive feed arrangement through first drive division and keep away from die cavity 12 to vacate the space in order to supply pressure head 21 and lower pressure head to coldly press the powder between last pressure head 21 and lower pressure head 31.

In order to facilitate the installation of the upper pressure head seat 20 and the lower pressure head seat 30, an upper support body and a lower support body may be further provided in the present invention, the upper pressure head seat 20 and the lower pressure head seat 30 are respectively fixed on the upper support body and the lower support body, and the driving mechanism drives the upper support body and the lower support body to move up and down.

As a preferred aspect of the present invention, a slide rail 15 is disposed on the table 11, the feeding device is slidably disposed on the slide rail 15, a connecting rod 51 disposed horizontally is disposed on the table 11, one end of the connecting rod 51 is hinged to the feeding device, the other end of the connecting rod 51 is hinged to a pull rod 52 disposed along a vertical direction, a rotating shaft 55 is disposed on the frame 10, the pull rod 52 is rotatably disposed on the rotating shaft 55, the first driving portion is a first sliding slot 53 disposed on the pull rod 52, the second driving portion is a second sliding slot 54 disposed on the pull rod 52, a sliding shaft 56 slidable in the first sliding slot 53 and the second sliding slot 54 is connected to the upper pressure head base 20, and the rotating shaft 55 is disposed between the sliding shaft 56 and a lower end of the pull rod 52. In an embodiment, the rotating shaft 55 and the sliding shaft 56 are both perpendicular to the pull rod 52, specifically, the rotating shaft 55 and the sliding shaft 56 are both arranged along a horizontal direction, the first sliding groove 53 and the second sliding groove 54 are arranged at the upper portion of the pull rod 52, the first sliding groove 53 is an inclined guide groove, when the sliding shaft 56 moves up and down along with the upper press head seat 20, the sliding shaft 56 can drive the pull rod 52 to rotate around the rotating shaft 55, and the lower end of the pull rod 52 drives the feeding device to move horizontally through the connecting rod 51.

As a preferred aspect of the present invention, the first chute 53 is communicated with the second chute 54, the second chute 54 has a first guiding portion 541 for driving the feeding device to move horizontally in a first direction near the first station and a second guiding portion 542 for driving the feeding device to move horizontally in a direction opposite to the first direction, and the first guiding portion 541 and the second guiding portion 542 are in transition joint. A certain included angle is formed between the first guiding portion 541 and the second guiding portion 542, and the included angle is a turning point for switching the moving direction of the feeding device. Those skilled in the art can set the stroke and the groove width of the first guiding portion 541 and the second guiding portion 542 according to the shape and the size of the feeding device and the mold cavity 12, so that when the sliding shaft 56 moves in the first guiding portion 541 and the second guiding portion 542, the sliding shaft 56 can drive the pull rod 52 to swing for a small distance, and the powder can be accurately conveyed into the mold cavity 12 from the discharge port of the feeding device.

In a preferred embodiment of the present invention, the mold cavity 12 is two, and is defined as a first mold cavity 121 and a second mold cavity 122, the feeding device includes a material distribution box 43 and a feeding pipe, one end of the feeding pipe is connected to a material supply device (not shown), the other end of the feeding pipe is connected to a material inlet of the material distribution box 43, a material outlet of the material distribution box 43 is disposed corresponding to the mold cavity 12, the feeding pipe includes a first feeding pipe 451 and a first feeding pipe 452 for feeding the first powder and a second feeding pipe 453 for feeding the second powder, the first feeding pipe 451 is disposed corresponding to the first mold cavity 121, the first feeding pipe 452 is disposed corresponding to the second mold cavity 122, the second feeding pipe 453 is disposed between the first feeding pipe 451 and the first feeding pipe 452, the second feeding pipe 453 is disposed corresponding to the first mold cavity 121 and the second mold cavity 122, after the second powder from the second feeding pipe 453 passes through the material distribution box 43, one part enters the first cavity 121 and one part enters the second cavity 122. The first powder is metal powder and is used for pressing the blade 80, the second powder is metal powder with the same material as the saw blade, the welding strip 81 is pressed on the blade 80 through the second powder, and in subsequent processing engineering, the welding strip 81 can rapidly weld the blade 80 on the saw blade through laser welding, so that the welding quality is improved, and the appearance is attractive. Meanwhile, by adopting the technical scheme of the invention, two blades 80 can be pressed at one time, and the pressing efficiency of the blades 80 can be improved.

As a preferred mode of the present invention, the worktable 11 is provided with a slide rail 15, the slide rail 15 is provided with a slide block 14 capable of sliding on the slide rail 15, the feeding device further comprises a mounting plate 44 for mounting the feeding pipe, one end of the mounting plate 44 close to the die cavity 12 is a first end, the opposite end is a second end, the first end is provided with a first adjusting bolt assembly, the second end is provided with a second adjusting bolt assembly, the first adjusting bolt assembly comprises a first bolt 411 fixed on the mounting plate 44, a first upper nut 412 and a first lower nut (located below the mounting plate 44, and hidden, and not shown) arranged on the first bolt 411, and a jacking spring 413 arranged between the first upper nut 411 and the upper surface of the mounting plate 44, the second adjusting bolt assembly comprises a second bolt 421, and a second upper nut 422 and a second lower nut (located below the mounting plate 44, hidden, not shown), the mounting plate 44 is disposed between the second upper nut 422 and the second lower nut. In the embodiment, the first adjusting bolt assemblies and the second adjusting bolt assemblies are respectively provided with two groups, and by adopting the structure, the downward acting force is applied to the cloth box 43 through the jacking spring 413, so that the cloth box 43 is propped against the workbench 11 to realize accurate feeding, and meanwhile, the pressed blade 80 is pushed out of the workbench 11 by the cloth box 43 to realize discharging.

As a preferred embodiment of the present invention, a pressure rod 62 is connected to the upper pressure head seat 20, a pressure relief device 60 is disposed at the lower portion of the pressure rod 62, the upper pressure head 21 is connected to the lower end of the pressure relief device 60, the pressure relief device 60 includes a cylinder body 61, an oil pot 63 communicated with the cylinder body 61, and an oil circuit switch 66 disposed between the cylinder body 61 and the oil pot 63, the lower end of the pressure rod 62 extends into the cylinder body 61, a gland 68 for limiting the pressure rod 62 to slide out is disposed on the cylinder body 61, an annular flange is disposed at the lower end of the pressure rod 62, the gland 68 presses against the annular flange and is locked to the cylinder body 61 by screws, a retaining ring 69 is disposed between the gland 68 and the annular flange, and a sealing ring is disposed between the outer wall of the. An oil pressure cavity 64 is formed between the lower end of the pressing rod 62 and the bottom of the cylinder body, the oil pot 63 is communicated with the oil pressure cavity 64, an oil loading channel 67 is arranged on the pressing rod 62, one end of the oil loading channel 67 is communicated with the oil pressure cavity 64, the other end of the oil loading channel 67 is provided with a blocking component, an elastic component is arranged in the oil pressure cavity 64, the upper end of the elastic component is pressed against the lower end of the pressing rod 62, and the lower end of the elastic component is pressed against the bottom of the cylinder body 61. After oil is filled into the oil pressure chamber 64, the oil filling channel 67 is sealed through the plugging component, so that the oil pressure chamber 64 forms a closed chamber, the upper pressure head seat 20 acts on the pressure rod 62, and the pressure rod 62 drives the cylinder body 61 to move integrally through the oil, so that the upper pressure head 21 is driven to move. If the upper pressure head 21 is blocked or the machine fails when descending, so that the downward movement stroke of the pressure rod 62 is not completed, the oil in the oil pressure chamber 64 flows into the oil pot 63 by opening the oil pressure switch 66, so that a buffer space is formed between the bottom of the pressure rod 62 and the bottom of the cylinder body 61, and the pressure rod 62 is relieved.

In a preferred embodiment of the present invention, a guide groove is formed at a lower end of the pressing rod 62, the guide groove extends upward from the lower end of the pressing rod 62, the elastic member is a spring 65, and an upper end of the spring 65 is received in the guide groove.

As a preferred mode of the present invention, the driving mechanism includes a main motor (not shown in the drawings), a transmission shaft 71 rotatably disposed on the frame 10, and a first eccentric member 72 disposed on the transmission shaft 71, wherein the transmission shaft 71 is in transmission connection with the main motor, specifically, the main motor is in transmission connection with the transmission shaft 71 through a gear 74, and the upper pressure head base 20 is connected with the first eccentric member 72 through a first transmission rod 75, so as to convert the rotation of the transmission shaft 71 into the periodic up-and-down movement of the upper pressure head base 20. The transmission shaft 71 is further provided with a second eccentric member 73 for driving the lower ram 31 to move up and down, and the second eccentric member 73 is disposed corresponding to the lower end of the lower ram 31. Specifically, a guide rod is connected to the lower end of the lower pressure head base 30, the guide rod is slidably disposed on the frame 10 through the guide groove, and the second eccentric member 73 periodically drives the lower pressure head base 30 to move up and down through the rotation of the transmission shaft 71.

As a preferred aspect of the present invention, a support plate 13 is provided below the table 11, the support plate 13 is fixed to the frame 10, the support plate 13 is connected to the frame 10, a guide post 17 is provided on the support plate 13, the table 11 is slidably provided on the guide post 17, a return spring 16 is provided between an upper end surface of the support plate 13 and a lower end surface of the table 11, and the return spring 16 is inserted into the guide post 17. During the operation, along with the downward movement of the upper pressure head 21, the workbench 11 is pressed to move downward, and after the upper pressure head 21 is lifted, the workbench 11 returns under the action of the return spring 16.

When the automatic cold press is in operation, the transmission shaft 71 drives the upper press head seat 20 to move upwards through the first transmission rod 75, the sliding shaft 56 moves from the lower part of the first chute 53 to the upper part of the first chute 53, the pull rod 52 swings around the rotating shaft 55 and drives the feeding device to move from the second station to the first station through the connecting rod 51, then, the slide shaft 56 slides from the first slide groove 53 into the second slide groove 54, slides in the second slide groove 54, and converted into the back and forth swing of the feeding device near the first station, a part of the first powder enters the cloth box 43 from the first feeding pipe 451 and is fed into the first die cavity 121, a part of the first powder enters the cloth box 43 from the first feeding pipe 452 and is fed into the second die cavity 122, a part of the second powder passes through the second feeding pipe 453 and is fed into the first die cavity 121 from the cloth box 43, a portion of the second powder is fed into the second cavity 122 through the second feed pipe 453 and from the distribution box 43. The upper press head seat 20 moves downwards and drives the feeding device to move from the first station to the second station through the pull rod 52, then the upper press head 21 acts on the workbench 11 and drives the workbench 11 to move downwards, and the lower press head 31 extending into the first die cavity 121 and the second die cavity 122 and the upper press head 21 act together to cold press the powder in the first die cavity 121 and the second die cavity 122 into the blade 80. Then, the driving mechanism drives the lower pressing head seat 30 to move upward, the sliding shaft 56 slides from the first sliding chute 53 to the second sliding chute 54, and drives the feeding device to move to the first station through the connecting rod 52. In the next cycle, the transmission shaft 71 drives the lower press head 31 to move upwards through the second eccentric part 73, so that the pressed blade 80 is ejected out of the first die cavity 121 and the second die cavity 122, the lower surface of the blade 80 is flush with the upper surface of the workbench 11, and the blade 80 is pushed out of the workbench 11 by using the outer side wall of the cloth box 43 in the process that the feeding device moves from the second station to the first station, so that the automatic production from feeding to finished products can be realized, and the processing quality of the blade 80 can be improved.

The product form of the present invention is not limited to the embodiments and examples shown in the present application, and any suitable changes or modifications of the similar ideas should be made without departing from the patent scope of the present invention.

Claims

1. The utility model provides an automatic cold press, which comprises a frame, can reciprocate to set up the last pressure head seat on frame upper portion, set up the last pressure head on last pressure head seat, can reciprocate to set up the lower pressure head seat in the frame lower part, set up on the pressure head seat down with last pressure head complex lower pressure head, set up the workstation of liftable removal between last pressure head and lower pressure head, set up on the workstation with last pressure head and lower pressure head complex die cavity, a feed arrangement for carrying the material powder, a drive mechanism for driving feed arrangement and being used for driving the feed arrangement and going up pressure head and lower pressure head and reciprocate, the position that corresponds the die cavity with feed arrangement's discharge gate is first station, the position that leaves the die cavity with feed arrangement's discharge gate is the second station, its characterized in that: the feeding device is provided with a first driving part for driving the feeding device to move back and forth between a first station and a second driving part for driving the feeding device to move back and forth near the first station, the workbench is provided with a slide rail, the feeding device is slidably arranged on the slide rail, the workbench is provided with a connecting rod which is horizontally arranged, one end of the connecting rod is hinged on the feeding device, the other end of the connecting rod is hinged with a pull rod which is arranged along the vertical direction, the machine frame is provided with a rotating shaft, the pull rod is rotatably arranged on the rotating shaft, the first driving part is a first slide groove arranged on the pull rod, the second driving part is a second slide groove arranged on the pull rod, the upper press head seat is connected with a slide shaft which can slide in the first slide groove and the second slide groove, and the rotating shaft is arranged between the slide shaft and the lower end of the pull rod, the rotating shaft and the sliding shaft are both arranged vertically to the pull rod, the first chute is communicated with the second chute, the second chute is provided with a first guide part for driving the feeding device to horizontally move towards a first direction near the first station and a second guide part for driving the feeding device to horizontally move towards the direction opposite to the first direction, the first guide part is in transitional connection with the second guide part, the number of the die cavities is two, the two die cavities are arranged into a first die cavity and a second die cavity, the feeding device comprises a material distribution box and a feeding pipe, one end of the feeding pipe is connected with the feeding device, the other end of the feeding pipe is connected with a feeding port of the material distribution box, a discharge port of the material distribution box corresponds to the die cavity, the feeding pipe comprises a first feeding pipe and a first feeding pipe for conveying first material powder and a second feeding pipe for conveying second material powder, and the first feeding pipe corresponds to the first die cavity, the first feeding pipe is arranged corresponding to the second die cavity, the second feeding pipe is arranged between the first feeding pipe and the first feeding pipe, and the discharge port of the second feeding pipe is arranged corresponding to the first die cavity and the second die cavity; the feeding device comprises a feeding pipe, a workbench, a sliding rail, a sliding block, a first adjusting bolt assembly, a second bolt, a second upper nut and a second lower nut, wherein the sliding rail is arranged on the workbench, the sliding block capable of sliding on the sliding rail is arranged on the sliding rail, the mounting plate is used for mounting the feeding pipe, one end, close to the die cavity, of the mounting plate is used as a first end, the other opposite end is used as a second end, the first end is provided with the first adjusting bolt assembly, the second end is provided with the second adjusting bolt assembly, the first adjusting bolt assembly comprises the first bolt, the first upper nut and the first lower nut which are fixed on the mounting plate, are arranged on the first bolt, and a jacking spring is arranged between the first upper nut and the upper surface of the mounting plate, the second adjusting bolt assembly comprises the second bolt, the second upper nut and the second lower nut which are matched on the second, the transmission shaft is connected with the main motor in a transmission mode, the upper pressure head seat is connected with the first eccentric piece through a first transmission rod, a second eccentric piece used for driving the lower pressure head to move up and down is further arranged on the transmission shaft, and the second eccentric piece corresponds to the lower end of the lower pressure head.

2. An automated cold press according to claim 1, wherein: go up the pressure head seat and be connected with the depression bar, the lower part of depression bar is equipped with pressure relief device, it connects to go up the pressure head pressure relief device's lower extreme, pressure relief device includes the cylinder body, with the oilcan of cylinder body intercommunication and set up the oil circuit switch between cylinder body and oilcan, the lower extreme of depression bar stretches into the cylinder body, be equipped with the gland of restriction depression bar roll-off on the cylinder body, form the oil pressure cavity between the lower extreme of depression bar and the bottom of cylinder body, the oilcan communicates with this oil pressure cavity, be equipped with the dress oil passageway on the depression bar, the one end and the oil pressure cavity intercommunication of dress oil passageway, the other end is equipped with the shutoff part, be equipped with elastomeric element in the oil pressure cavity, elastomeric element's upper end roof pressure is at the.

3. An automated cold press according to claim 2, wherein: the lower end of the pressure lever is provided with a guide groove, the guide groove extends upwards from the lower end of the pressure lever, the elastic component is a spring, and the upper end of the spring is accommodated in the guide groove.

4. An automated cold press according to claim 1, wherein: the lower part of workstation is equipped with the backup pad, and the backup pad is connected in the frame, be equipped with the guide post in the backup pad, workstation slidable ground sets up on the guide post, at the up end of backup pad with be equipped with reset spring between the lower terminal surface of workstation, reset spring wears to establish in the guide post.