Powder press

Abstract

The utility model discloses a powder press, which relates to the technical field of dry bag type forming machines and comprises a workbench, a push plate and a limit component, a forming groove is arranged on the workbench, a lower pressing die controlled by a hydraulic rod is arranged at the bottom of the forming groove, and an upper pressing die controlled by the hydraulic rod is arranged above the forming groove. A push plate used for pushing finished products out of the forming groove is slidably arranged on the workbench, a connecting frame is arranged on the outer side of the push plate, a piston piece is arranged on the outer side of the connecting frame, containing boxes used for absorbing redundant powder on the workbench are arranged on the two sides of the workbench, collecting openings are formed in the connecting positions of the containing boxes and the surface of the workbench, and communicating pipes are arranged between the containing boxes and the piston piece. According to the powder collecting device, the collecting boxes used for containing redundant powder are arranged on the two sides of the workbench, when the push plate pushes a finished product out of the forming groove, the push plate drives the piston piece to move through the connecting frame, and therefore the powder on the workbench is sucked into the containing box from the collecting opening.

Description

TECHNICAL FIELD

[0001] The utility model relates to dry bag type forming machine technical field, concretely is a powder press. BACKGROUND

[0002] Dry bag type isostatic pressing forming machine is mainly used for pressing the powder of metal and nonmetal into high density bar stock, sheet material and other shape materials, and the material after high temperature sintering can form extremely high hardness material, which can be widely applied to various electronic products and mechanical product parts.

[0003] The patent with publication number CN114273654A discloses a powder metallurgy part pressing forming machine, which comprises a rack with a workbench plate, a pressing forming die fixed on the workbench plate, an upper pressing head assembly and a lower ejector rod assembly installed on the rack, and the upper pressing head assembly is located above the workbench plate; the powder metallurgy part pressing forming machine further comprises an avoidance driving mechanism and a layered pre-pressing device located above the workbench plate, the layered pre-pressing device comprises a pre-pressing base and a second pressing head, the avoidance driving mechanism is connected with the pre-pressing base, the avoidance driving mechanism can move the second pressing head to the position between the pressing forming die and the upper pressing head assembly and can move the second pressing head to one side of the pressing forming die, a second driving assembly connected with the second pressing head is installed on the pre-pressing base, and when the second pressing head is located between the pressing forming die and the upper pressing head assembly, the second driving assembly can drive the second pressing head to embed into the powder metallurgy part forming cavity of the pressing forming die from top to bottom;

[0004] In the use process of the above-mentioned device, when the powder is pressed into a sheet and taken out from the pressing forming die, excess powder will be left on the plane outside the top of the pressing forming die, and under the condition of external airflow blowing, the excess powder will be scattered everywhere, affecting the health of the operator, therefore, we propose a powder press. UTILITY MODEL CONTENTS

[0005] The utility model discloses in the process that the push board pushes the finished product from the forming groove, and the suction force of the piston piece sucks the excess powder on the workbench into the storage box, to prevent the excess powder from being scattered everywhere, affecting the health of the operator.

[0006] In order to solve the above technical problems, the utility model solves the problem that the excess powder will be left on the workbench during powder pressing and forming, and will be scattered everywhere under the blowing of indoor airflow.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0008] The utility model provides a powder press, including workbench, push plate and limiting component, be equipped with forming groove on workbench, be equipped with the lower pressing die of through hydraulic rod control at the bottom of forming groove, be equipped with the upper pressing die of through hydraulic rod control above forming groove, push plate slidingly is equipped on workbench for the push of finished product from forming groove, push plate outside is equipped with connecting frame, connecting frame outside is equipped with piston piece, workbench both sides are equipped with the storage box for absorbing the powder of workbench, the storage box is equipped with the collection mouth with workbench surface junction, the storage box is equipped with the communication pipe between piston piece, piston piece outside is equipped with the exhaust pipe for exhaust, limiting component is located in the communication pipe with exhaust pipe, is equipped with for the close of communication pipe and exhaust pipe.

[0009] Preferably, the piston piece includes a piston rod and two piston cylinders, the piston cylinders are fixed to the bottom of the workbench, the piston rod is fixed to the connecting frame, the exhaust pipe is fixed to the outside of one end of the piston cylinder close to the connecting frame, the piston rod penetrates one side of the piston cylinder, one end of the piston rod away from the connecting frame is fixed with a piston block, the piston block is slidingly arranged in the piston cylinder, the hydraulic push rod is fixed to the bottom of the workbench, the output end of the hydraulic push rod is fixed to the connecting frame, the connecting frame is fixed to the push plate through the support rod arranged outside.

[0010] Preferably, the limiting component includes two limiting plates, the limiting plates are fixed in the communication pipe and the exhaust pipe respectively, the limiting plates are provided with through holes in the middle, the through holes are fixed with check valves outside, the check valves in the communication pipe are arranged on one side of the limiting plate close to the piston cylinder, the check valves in the exhaust pipe are arranged on one side of the limiting plate away from the piston cylinder.

[0011] Preferably, the check valve includes a conical block and a shutter, the conical block and the shutter are fixed, the through hole is provided with a sliding frame outside, the sliding frame is fixed to the limiting plate, the conical block is matched with the through hole, the shutter is slidingly connected with the inside of the sliding frame, the shutter is fixed with a compression spring on the side away from the conical block, one end of the compression spring away from the shutter is fixed to the inside of the sliding frame.

[0012] Preferably, the conical block is made of rubber.

[0013] Preferably, the storage box is provided with a collection box inside, the collection box is provided with sieve holes inside.

[0014] Preferably, the storage box is fixed with guide rails inside, the collection box is slidingly arranged on the guide rails, the storage box is provided with an opening for the collection box to pass through, the part of the collection box outside the opening is fixed with a baffle.

[0015] Preferably, the baffle is fixed with a pull ring outside.

[0016] Preferably, the sieve holes are uniformly arranged on the bottom and the inner wall of the collection box.

[0017] Preferably, the communication pipe is located between the piston block and the exhaust pipe.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] The utility model discloses a collecting box is arranged on the both sides of the workbench for accommodating the excess powder, when the finished product is pushed out from the forming groove by the push plate, the push plate drives the piston piece to be active through the connecting frame, thereby sucking the powder on the workbench into the collecting box from the collecting port.

[0020] The collecting box is arranged in the collecting box, and the screen hole is evenly arranged in the inside of the collecting box, the powder in the collecting box is intercepted by the screen hole, and the powder is conveniently recycled subsequently. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will briefly introduce the drawing needed to be used in the embodiment, and obviously, the drawing in the following description is only some embodiments of the utility model, and for the ordinary skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.

[0022] Figure 1 It is the whole structure schematic diagram of the utility model;

[0023] Figure 2 It is another view schematic diagram of the whole structure of the utility model;

[0024] Figure 3 It is the workbench upper structure schematic diagram of the utility model;

[0025] Figure 4 It is the workbench lower structure schematic diagram of the utility model;

[0026] Figure 5 It is the inside structure schematic diagram of the utility model collecting box;

[0027] Figure 6 It is the connecting frame part structure schematic diagram of the utility model;

[0028] Figure 7 It is the piston piece structure schematic diagram of the utility model;

[0029] Figure 8 It is the piston piece local section view schematic diagram of the utility model.

[0030] Figure number explanation: 1, workbench; 2, forming groove; 3, lower pressing die; 4, upper pressing die; 5, push plate; 6, connecting frame; 7, piston piece; 8, storage box; 9, collection port; 10, communication pipe; 11, exhaust pipe; 12, limiting assembly; 13, piston rod; 14, piston cylinder; 15, piston block; 16, hydraulic push rod; 17, limiting plate; 18, through hole; 19, check piece; 20, conical block; 21, shutter; 22, sliding frame; 23, compression spring; 24, collection box; 25, sieve hole; 26, baffle; 27, pull ring. DETAILED DESCRIPTION

[0031] The utility model will be described in further detail below in combination with the drawings. EMBODIMENT

[0032] Please refer to Figures 1-8 A powder press, including workbench 1, push plate 5 and limiting assembly 12, be equipped with forming groove 2 on workbench 1, the bottom of forming groove 2 is equipped with the lower pressing die 3 controlled by hydraulic rod, the upper pressing die 4 controlled by hydraulic rod is equipped above forming groove 2, for the push plate 5 of finished product from forming groove 2 pushes out and is slid on workbench 1, push plate 5 outside is equipped with connecting frame 6, connecting frame 6 outside is equipped with piston piece 7, piston piece 7 includes piston rod 13 and piston cylinder 14, piston cylinder 14 is equipped with two, two piston cylinders 14 are all fixed on the bottom of workbench 1, piston rod 13 is fixed with connecting frame 6, exhaust pipe 11 is fixed and is equipped with outside the one end of piston cylinder 14 close to connecting frame 6, piston rod 13 penetrates one side of piston cylinder 14, the end fixed with piston block 15 of piston rod 13 away from connecting frame 6, piston block 15 is slid and is equipped in piston cylinder 14, communication pipe 10 is between piston block 15 and exhaust pipe 11, the bottom fixed hydraulic push rod 16 of workbench 1, the output end of hydraulic push rod 16 is fixed with connecting frame 6, and connecting frame 6 is fixed with push plate 5 through the support rod of outside setting, two piston cylinders 14 are respectively equipped at the bottom of workbench 1 two sides, and every piston cylinder 14 is communicated with the storage box 8 of workbench 1 two sides through corresponding communication pipe 10, with push plate 5 advancing on workbench 1, drive piston block 15 advances in piston cylinder 14, to suck the gas in piston cylinder 14 in storage box 8, produce suction, to suck the excess powder on workbench 1 by collection port 9 respectively in the storage box 8 of workbench 1 two sides from workbench 1;

[0033] The workbench 1 two sides are equipped with the storage box 8 for absorbing the excess powder on the workbench 1, and the storage box 8 is provided with a collection port 9 at the connection with the surface of the workbench 1, and the communication pipe 10 for communication is arranged between the storage box 8 and the piston piece 7, and the exhaust pipe 11 for exhaust is arranged outside the piston piece 7.

[0034] The limiting assembly 12 is arranged in the communicating pipe 10 and the exhaust pipe 11, and is used for controlling the closing of the communicating pipe 10 and the exhaust pipe 11. When the push plate 5 pushes the finished product out of the forming groove 2, the piston block 15 advances with the push plate 5. At this time, the limiting assembly 12 in the communicating pipe 10 is opened under pressure, and the limiting assembly 12 in the exhaust pipe 11 is closed under pressure, so that the gas can only enter the piston cylinder 14 from the storage box 8. When the push plate 5 retreats, the piston block retreats. At this time, the limiting assembly 12 in the communicating pipe 10 is closed under pressure, and the limiting assembly 12 in the exhaust pipe 11 is opened under pressure to exhaust, so that the gas can not flow out of the collecting opening 9 of the storage box 8 to blow the surface of the workbench 1, thereby preventing the excess powder on the workbench 1 from being blown away.

[0035] Some embodiments of the present application will be described in detail below with reference to the accompanying drawings:

[0036] Please refer to Figures 1-8 By arranging the collecting box on both sides of the workbench 1 for storing excess powder, when the push plate 5 pushes the finished product out of the forming groove 2, the push plate 5 drives the piston 7 to move through the connecting frame 6, so that the powder on the workbench 1 is sucked into the storage box 8 from the collecting opening 9.

[0037] The limiting assembly 12 includes two limiting plates 17, which are respectively arranged in the communicating pipe 10 and the exhaust pipe 11. The limiting plate 17 is provided with a through hole 18 in the middle, and a check piece 19 is fixed outside the through hole 18. The check piece 19 in the communicating pipe 10 is arranged on the side of the limiting plate 17 close to the piston cylinder 14, and the check piece 19 in the exhaust pipe 11 is arranged on the side of the limiting plate 17 away from the piston cylinder 14.

[0038] At the same time, the check piece 19 includes a tapered block 20 and a shutter 21. The tapered block 20 and the shutter 21 are fixed, and a sliding frame 22 is arranged outside the through hole 18. The sliding frame 22 is fixed with the limiting plate 17. The tapered block 20 cooperates with the through hole 18. The tapered block 20 is made of rubber material, which improves the sealing effect of the tapered block 20 embedded in the through hole 18. The shutter 21 is slidably connected with the inside of the sliding frame 22. A compression spring 23 is fixed on the side of the shutter 21 away from the tapered block 20. One end of the compression spring 23 away from the shutter 21 is fixed with the inside of the sliding frame 22.

[0039] It is worth noting that the storage box 8 is provided with a collecting box 24. The inside of the collecting box 24 is provided with a sieve hole 25. The storage box 8 is fixedly provided with a guide rail. The collecting box 24 is slidably arranged on the guide rail. The side of the storage box 8 is provided with an opening for the collecting box 24 to pass through. The part of the collecting box 24 outside the opening is fixedly provided with a baffle 26. The outside of the baffle 26 is fixedly provided with a pull ring 27. The powder entering the storage box 8 is intercepted by the sieve hole 25 of the collecting box 24. The powder collected in the collecting box 24 can be poured out for recycling by pulling out the collecting box 24.

[0040] The principle of cleaning the excess powder on the workbench 1 is described as follows:

[0041] Firstly, the powder is pressed in the forming groove 2 by the upper die 4 and the lower die 3, and then the finished product is sent to the top of the forming die by the lower die 3;

[0042] Then, the connecting frame 6 is moved towards the workbench 1 by the hydraulic push rod 16, so that the push plate 5 pushes the finished product out of the forming groove 2 and onto the workbench 1;

[0043] During the movement of the push plate 5, the piston rod 13 pushes the piston block 15 to slide forward in the piston cylinder 14 under the driving of the connecting frame 6, at this time, the tapered block 20 in the communication pipe 10 leaves the through hole 18 under the pressure of the shutter 21, the through hole 18 of the communication pipe 10 is opened, and the tapered block 20 in the exhaust pipe 11 is embedded in the through hole 18 under the pressure of the compression spring 23, the through hole 18 of the exhaust pipe 11 is closed, so that the gas in the storage box 8 is sucked into the piston cylinder 14 through the communication pipe 10, and the excess powder on the workbench 1 is sucked into the storage box 8 through the collecting port 9, and the powder in the storage box 8 falls into the collecting box 24 and is intercepted by the screen hole 25;

[0044] During the return of the push plate 5, the tapered block 20 in the communication pipe 10 is re-embedded in the through hole 18 under the action of the compression spring 23, the through hole 18 of the communication pipe 10 is closed, and the tapered block 20 in the exhaust pipe 11 leaves the through hole 18 under the pressure of the gas pressure, the through hole 18 of the exhaust pipe 11 is opened, in this process, the gas in the piston cylinder 14 is discharged from the exhaust pipe 11, and will not be pressed into the storage box 8, so that the powder remaining on the workbench 1 will not be blown up when the push plate 5 returns;

[0045] The powder intercepted by the collecting box 24 can be recycled by pulling the collecting box 24 out of the storage box 8 through the pull ring 27.

[0046] In another embodiment of the present technical solution, as shown in Figure 5 The screen holes 25 are uniformly arranged on the bottom and inner wall of the collecting box 24, which improves the distribution range of the screen holes 25, thereby avoiding the problem that when only the bottom of the collecting box 24 is provided with the screen holes 25, the powder in the collecting box 24 is accumulated too much to affect the gas passing efficiency of the screen holes 25.

[0047] It should be understood by those skilled in the art that the embodiments of the utility model shown in the above description and the drawings are only examples and do not limit the utility model. The purpose of the utility model has been completely and effectively realized. The function and structural principle of the utility model have been shown and explained in the embodiments, and the embodiments of the utility model can be any deformation or modification without departing from the principle.

Claims

1. A powder press, comprising: a workbench (1) provided with a forming groove (2) on the workbench (1), the bottom of the forming groove (2) being provided with a lower pressing die (3) controlled by a hydraulic rod, and the upper side of the forming groove (2) being provided with an upper pressing die (4) controlled by a hydraulic rod; characterized in that it further comprises: a push plate (5) for pushing finished products out of the forming groove (2), the push plate (5) being slidingly arranged on the workbench (1), the outer side of the push plate (5) being provided with a connecting frame (6), the outer side of the connecting frame (6) being provided with a piston member (7), both sides of the workbench (1) being provided with a storage box (8) for absorbing excess powder on the workbench (1), the surface connection between the storage box (8) and the workbench (1) being provided with a collection port (9), and a communication pipe (10) being arranged between the storage box (8) and the piston member (7) for communication, and an exhaust pipe (11) being arranged on the outer side of the piston member (7) for exhaust. A limiting assembly (12) is arranged in the communication pipe (10) and the exhaust pipe (11) for controlling the closing of the communication pipe (10) and the exhaust pipe (11).

2. A powder press according to claim 1, characterized in that: The piston member (7) comprises a piston rod (13) and two piston cylinders (14), the two piston cylinders (14) are fixed to the bottom of the workbench (1), the piston rod (13) is fixed to the connecting frame (6), the exhaust pipe (11) is fixed to the outer side of one end of the piston cylinder (14) close to the connecting frame (6), the piston rod (13) penetrates one side of the piston cylinder (14), a piston block (15) is fixed to the end of the piston rod (13) away from the connecting frame (6), the piston block (15) is slidingly arranged in the piston cylinder (14), a hydraulic push rod (16) is fixed to the bottom of the workbench (1), the output end of the hydraulic push rod (16) is fixed to the connecting frame (6), and the connecting frame (6) is fixed to the push plate (5) through the support rod arranged on the outer side.

3. A powder press according to claim 2, wherein: The limiting assembly (12) comprises a limiting plate (17), the two limiting plates (17) are fixed in the communication pipe (10) and the exhaust pipe (11) respectively, a through hole (18) is arranged in the middle of the limiting plate (17), a check member (19) is fixed to the outer side of the through hole (18), the check member (19) in the communication pipe (10) is arranged on the side of the limiting plate (17) close to the piston cylinder (14), and the check member (19) in the exhaust pipe (11) is arranged on the side of the limiting plate (17) away from the piston cylinder (14).

4. A powder press according to claim 3, wherein: Said check element (19) comprises a tapered block (20) and a shutter (21), the tapered block (20) and the shutter (21) are fixed, a sliding frame (22) is arranged outside the through hole (18), the sliding frame (22) is fixed with the limiting plate (17), the tapered block (20) is matched with the through hole (18), the shutter (21) is slidably connected with the inside of the sliding frame (22), a compression spring (23) is fixedly arranged on the side, away from the tapered block (20), of the shutter (21), and one end, away from the shutter (21), of the compression spring (23) is fixed with the inside of the sliding frame (22).

5. A powder press according to claim 4, wherein: The tapered block (20) is made of rubber.

6. A powder press according to claim 3, wherein: A collecting box (24) is arranged in the storage box (8), and sieve holes (25) are arranged on the inside of the collecting box (24).

7. A powder press according to claim 6, characterized in that: A guide rail is fixedly arranged in the storage box (8), the collecting box (24) is slidably arranged on the guide rail, an opening is arranged on the side of the storage box (8) and used for the passing of the collecting box (24), and a baffle (26) is fixedly arranged on the part of the collecting box (24) located outside the opening.

8. A powder press according to claim 7, characterized in that: A pull ring (27) is fixedly arranged on the outside of the baffle (26).

9. A powder press according to claim 6, characterized in that: The sieve holes (25) are uniformly arranged on the bottom and the inner wall of the collecting box (24).

10. A powder press according to claim 2, characterized in that: The communicating pipe (10) is located between the piston block (15) and the exhaust pipe (11).

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