CN109773182B - Full-automatic forming hydraulic press for multi-step multilayer dry powder products - Google Patents
Full-automatic forming hydraulic press for multi-step multilayer dry powder products Download PDFInfo
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- CN109773182B CN109773182B CN201910205642.8A CN201910205642A CN109773182B CN 109773182 B CN109773182 B CN 109773182B CN 201910205642 A CN201910205642 A CN 201910205642A CN 109773182 B CN109773182 B CN 109773182B
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- 239000000843 powder Substances 0.000 title claims abstract description 60
- 238000003825 pressing Methods 0.000 claims abstract description 52
- 238000007723 die pressing method Methods 0.000 claims abstract description 5
- 230000000670 limiting effect Effects 0.000 claims description 68
- 238000000465 moulding Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000009471 action Effects 0.000 description 7
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- 238000010586 diagram Methods 0.000 description 4
- 108010036050 human cationic antimicrobial protein 57 Proteins 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 1
- 239000002783 friction material Substances 0.000 description 1
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Abstract
The invention relates to a full-automatic forming hydraulic press for multi-step multilayer dry powder products, which comprises a main body, a plurality of vertical columns, an upper cross beam, an upper movable beam, a lower movable beam and a lower cross beam, wherein the upper cross beam is provided with an upper oil cylinder which is in driving connection with the upper movable beam; an upper template is arranged at the bottom of the upper movable beam; a female die hole is formed in the lower movable beam, a female die pressing plate is arranged at the upper part of the female die hole, and an automatic feeding device is arranged on the lower movable beam; the lower beam is provided with a lower oil cylinder, the lower movable beam is connected in a driving way, the lower beam is provided with a supporting plate, the supporting plate is connected with a fixed template in a supporting way, a lower die holder is arranged between the fixed template and the floating template, a die cavity is arranged on the lower die holder, a secondary feeding floating plate is arranged in the die cavity, a secondary feeding cylinder is arranged in the middle of the fixed template, the secondary feeding floating plate is connected in a driving way, a floating cylinder is fixedly installed on the fixed template, and the floating cylinder is connected with the floating template in a driving way. Can simultaneously meet the pressing production process requirements of multi-step dry powder products and multi-layer products with different dry powders.
Description
Technical Field
The invention relates to the technical field of dry powder product forming, in particular to a full-automatic multi-step multi-layer dry powder product forming hydraulic press.
Background
In the prior art, a full-automatic forming hydraulic machine is generally provided with a multi-step die carrier on a three-beam four-column hydraulic machine. Practice proves that the method can not completely meet certain requirements in actual production, such as production of pressed electrical contacts, brake pads, bearing bush friction materials and the like, and the method for pressing multi-layer dry powder products by using different metal powders can only be used for semi-automatic production by a manual feeding mode, and has the advantages of low efficiency, high cost and unstable quality. In order to meet the production needs of various industries, the structure and the process of the full-automatic dry powder hydraulic press are scientifically improved, innovated, improved and perfected by the company.
And as the following patent: CN201410444379.5 proposes a five-beam four-column full-automatic multi-step powder product forming hydraulic press; but it does not enable the pressed production of multiple layers of different dry powders.
Disclosure of Invention
In order to solve the problems, the invention provides a full-automatic multi-step multi-layer dry powder product forming hydraulic machine, which solves the problem that the conventional multi-step powder product forming hydraulic machine cannot realize the pressing production of multi-layer different dry powder products.
The technical scheme of the invention is as follows:
the full-automatic forming hydraulic press for the multi-step multilayer dry powder product comprises a main body, wherein the main body comprises four upright posts, an upper cross beam, an upper movable beam, a lower movable beam and a lower cross beam which are arranged in parallel in the vertical direction, the upper cross beam, the upper movable beam, the lower movable beam and the lower cross beam are sequentially arranged from top to bottom, the four upright posts respectively correspond to and penetrate through holes in four corners of the upper cross beam, the upper movable beam, the lower movable beam and the lower cross beam, the upper movable beam and the four upright posts are in precise sliding fit, and slide up and down along the four upright posts, the upper cross beam is fixedly connected with the four upright posts, and the lower cross beam is fixedly connected with the four upright posts; an upper oil cylinder is arranged on the upper cross beam, a piston rod of the upper oil cylinder is fixedly connected with the upper movable beam, and the upper oil cylinder drives the upper movable beam to slide up and down along the four upright posts; an upper template is arranged at the bottom of the upper movable beam; a female die hole for installing a female die is formed in the center of the lower movable beam, a female die pressing plate for pressing the female die is arranged at the upper part of the female die hole, and an automatic feeding device is arranged on the lower movable beam; the lower beam is provided with a lower oil cylinder, a piston rod of the lower oil cylinder is fixedly connected with a lower template, four corners of the lower template are respectively provided with a lower guide post, the lower guide posts respectively pass through a floating template and a fixed template which are arranged between the lower movable beam and the lower beam and are fixedly connected with the lower movable beam, the lower oil cylinder drives the lower movable beam to slide up and down along four upright posts, the floating template, the fixed template and the lower guide posts are in precise sliding fit, the lower beam is provided with a pair of support plates with equal height, the support plates are supported and connected with the fixed template, a lower die holder is arranged between the fixed template and the floating template, the die holder is connected as an organic whole with the fixed bolster to constitute the withdrawal limit of floating bolster, be provided with the die cavity on the die holder, be provided with secondary reinforced floating plate in the die cavity, be provided with secondary reinforced jar in the middle of the fixed bolster, the piston rod of secondary reinforced jar passes on the die holder and with secondary reinforced floating plate fixed connection, drive secondary reinforced floating plate is floated, fixed mounting has the floating jar on the fixed bolster, the piston rod and the floating bolster fixed connection of floating jar, drive floating bolster slides from top to bottom along the lower guide pillar, the center of floating bolster is provided with the through-hole.
The process for pressing the multi-step dry powder product by adopting the full-automatic molding hydraulic press comprises the following steps of:
(1) Die mounting
The upper die punch of the product to be pressed is arranged on the upper die plate, the inner lower die punch is arranged on the secondary floating plate, the outer lower floating die punch is arranged on the floating die plate, the female die is arranged in the female die hole, and the tops of the female die, the inner lower die punch and the outer lower floating die punch are flush when in initial position.
(2) Charging material
The lower oil cylinder drives the lower movable beam to move upwards, the female die moves upwards to form the feeding height of the inner lower punch, the floating cylinder drives the floating die plate to move upwards, the outer lower floating punch moves upwards to form the feeding height of the outer lower floating punch, namely the feeding position, and the automatic feeding device feeds powder into the female die cavity.
(3) Pressing
The upper oil cylinder drives the upper die punch to move downwards to enter the female die opening, the upper die punch is continuously pressed downwards under the action of the upper oil cylinder, and the female die and the outer lower floating punch respectively move downwards under the action of the lower oil cylinder and the floating cylinder, so that the inner lower punch is relatively moved upwards and pressed upwards, and the products are pressed and formed in a floating mode under the bidirectional opposite pressing action force of the upper die punch and the inner lower punch until the setting forming position is reached, and the products are pressed and formed under the pressure maintaining and pressure releasing.
(4) Demolding
The upper oil cylinder drives the upper movable beam to move upwards to drive the upper die punch to return, the lower oil cylinder drives the lower movable beam to move downwards, the female die moves downwards, the floating cylinder drives the floating die plate to move downwards, the outer lower floating punch moves downwards until the tops of the female die, the inner lower punch and the outer lower floating punch are flush, namely the demolding position, so that the inner lower punch ejects a molded product out of the female die cavity to realize product demolding, and one technological action cycle is ended; and (5) pressing the multi-step dry powder product.
The process for pressing the two-layer dry powder product by adopting the full-automatic molding hydraulic press comprises the following steps of:
(1) Die mounting
The upper punch of the product to be pressed is arranged on the upper die plate, the lower punch is arranged on the secondary floating plate, the female die is arranged in the female die hole, and the tops of the female die and the lower punch are flush when in an initial position.
(2) Charging material
The lower cylinder drives the lower movable beam to move upwards, the female die moves upwards, the secondary feeding cylinder drives the secondary floating plate to move upwards, the lower punch moves upwards to form the primary feeding height of the lower punch, the automatic feeding device feeds first powder into the female die cavity, the upper cylinder drives the upper punch to move downwards to enter the female die opening by driving the upper die plate arranged on the upper movable beam, the powder material sealing die which is already filled into the female die cavity is simultaneously pre-pressed, and after the pre-pressing is finished, the upper cylinder drives the upper movable beam to move upwards to drive the upper punch to return; the secondary feeding cylinder drives the secondary floating plate to move downwards, the lower punch returns to form the secondary feeding height of the lower punch, and the automatic feeding device sends the second powder into the female die cavity.
(3) Pressing
The upper oil cylinder drives the upper die punch to move downwards to enter the female die opening, the second powder material filled into the female die cavity is simultaneously pre-pressed, after the pre-pressing is finished, the upper die punch continues to press downwards under the action of the upper oil cylinder, and meanwhile, the female die moves downwards under the action of the lower oil cylinder, so that the relative upwards movement and upwards pressing of the lower die punch are realized, and the products are subjected to floating pressing under the bidirectional opposite pressing acting forces of the upper die punch and the inner lower die punch until the set forming position is reached, and the products are subjected to pressure forming under the pressure maintaining and pressure releasing.
(4) Demolding
The upper oil cylinder drives the upper movable beam to move upwards to drive the upper die punch to return, and the lower oil cylinder drives the lower movable beam to move downwards at the same time, so that the female die moves downwards until the tops of the female die and the lower die punch are level, namely, a demolding position is formed, products are demolded, and one process action cycle is finished; and (5) pressing the two-layer dry powder product.
Of course, the hydraulic press can be used for pressing multiple layers of products with different dry powders, and only the secondary floating template is required to float downwards for multiple times, and then different dry powders are sequentially added; even a plurality of layers of products with different dry powders are added with an outer lower die arranged on a floating die plate for punching and matching.
The technical scheme is further improved and refined, the secondary charging cylinder is a double-outlet piston rod oil cylinder, an upper outlet piston rod of the secondary charging cylinder penetrates through the lower die holder and is fixedly connected with the secondary charging floating plate, and a secondary charging ejection adjusting nut is arranged on the lower outlet piston rod of the secondary charging cylinder; a core rod connecting rod is arranged in a piston rod of the secondary feeding cylinder, the upper end of the core rod connecting rod penetrates through the secondary feeding floating plate, the lower end of the core rod connecting rod penetrates through the lower connecting plate to be connected with a piston rod of a lower central cylinder arranged at the central position of the piston rod of the lower oil cylinder, and the lower central cylinder drives the core rod connecting rod to move up and down.
The product with the central hole is conveniently pressed, the lower central cylinder drives the core rod extension rod and the core rod arranged on the core rod extension rod to be ejected to the female die opening, and the central hole of the product is formed after the pressing is finished; after the female die cavity is filled with powder, the lower central cylinder drives the core rod extension rod and the core rod arranged on the core rod extension rod to be ejected to the female die opening, and vibrates back and forth in a small amplitude, and due to the vibration of the core rod during ejection, the powder filled in the female die cavity is vibrated from loose packing density to jolt packing density, so that firstly, the powder filling amount of the die cavity is improved, and the powder filling height is reduced; the density distribution of the product is uniform, and the powder filling difficulty of the thin-wall die cavity is solved; the secondary feeding ejection adjusting nut is used for adjusting the stroke limit of the secondary feeding cylinder.
The technical scheme is further improved and refined, the upper oil cylinder is a double-outlet piston rod oil cylinder, a limit fine adjustment device and a limit adjustment device are respectively arranged on an upper outlet piston rod of the upper oil cylinder, and a lower outlet piston rod of the upper oil cylinder is fixedly connected with the upper movable beam.
The technical scheme is further improved and refined, the limiting and adjusting device comprises a limiting and locking nut, a limiting and adjusting nut, a pre-pressing and locking nut and a pre-pressing and adjusting nut, wherein the limiting and locking nut and the limiting and adjusting nut are sequentially sleeved on an upper piston rod of an upper oil cylinder from top to bottom, are in threaded fit connection, and the pre-pressing and locking nut and the pre-pressing and adjusting nut are sequentially sleeved on the limiting and adjusting nut from top to bottom and are in threaded fit connection.
The technical scheme is further improved and refined, the limit fine adjustment device comprises an upper bottom plate, an adjusting rod, an upper fine adjustment inclined plate, an upper side cylinder sliding plate, an upper limiting block and an upper side cylinder, wherein the upper bottom plate is sleeved on an upper piston rod of the upper cylinder and is fixedly connected with a cylinder body of the upper cylinder; the limiting adjusting nut and the upper fine adjusting inclined plate jointly form an ejection limit of the upper oil cylinder, and the upper limiting block moves to the lower part of the pre-pressing adjusting nut and jointly forms a pre-pressing limit of the upper oil cylinder with the pre-pressing adjusting nut.
The upper adjusting rod is rotated to enable the lower inclined plate in the upper fine adjustment inclined plate to move in the horizontal direction, the upper inclined plate is axially lifted and lowered along the upper piston rod of the upper oil cylinder, when the limit adjusting nut is pressed downwards, the upper adjusting nut is pressed onto the upper fine adjustment inclined plate, the pressing height of a product can be controlled, and fine adjustment of the height size can be realized; when in prepressing, the piston rods of the upper side cylinders advance to push the upper limiting blocks to advance to the lower parts of the prepressing adjusting nuts, so that the prepressing limiting effect is achieved.
The technical scheme is further improved and refined, the lower die holder is rectangular, a square hole in the horizontal direction is formed in the lower portion of the lower die holder, a lower fine-tuning inclined plate is arranged in the square hole and is composed of an upper inclined plate and a lower inclined plate which are oppositely arranged by an upper inclined plate and a lower inclined plate, an upper piston rod of a secondary charging cylinder respectively penetrates through holes in the middle of the upper inclined plate and the lower inclined plate, the holes in the middle of the upper inclined plate are circular holes, the holes in the middle of the lower inclined plate are kidney-shaped holes, a lower adjusting rod is fixedly arranged on one side of the fixed die plate through a fixing plate, the lower adjusting rod is connected with the lower inclined plate, a limit adjusting block is fixedly arranged on the upper inclined plate, a lower limiting block is fixedly arranged on the lower plane of the floating die holder through a lower side cylinder, and the lower side cylinder pushes the lower limiting block to move; the lower limiting block moves to the upper part of the limiting adjusting block and forms the forming limit of the floating template together with the limiting adjusting block.
The lower adjusting rod is rotated to enable the lower inclined plate in the lower fine adjustment inclined plate to move in the horizontal direction, the upper inclined plate is axially lifted and lowered along the upper piston rod of the secondary charging oil cylinder to drive the limit adjustment to move up and down, and further forming limit fine adjustment is achieved.
The technical scheme is further improved and refined, the lower oil cylinder is a double-outlet piston rod oil cylinder, a lower oil cylinder withdrawal adjusting device is arranged on an upper outlet piston rod of the lower oil cylinder and is fixedly connected with the lower template through a lower connecting plate, a lower center cylinder is arranged at the center of the upper outlet piston rod of the lower oil cylinder, and a lower oil cylinder ejection adjusting device is arranged on the lower outlet piston rod of the lower oil cylinder.
The technical scheme is further improved and refined, the lower oil cylinder return adjusting device comprises a worm wheel, a worm, an upper adjusting seat and a limiting block, wherein the worm is fixedly arranged on a lower cross beam and is in meshed connection with the worm wheel, the worm wheel is sleeved on the upper adjusting seat and is in threaded connection with the upper adjusting seat, the upper adjusting seat is sleeved on an upper piston rod of the lower oil cylinder, a plurality of guide rods are arranged in the upper adjusting seat and are fixedly connected with the lower cross beam, the worm wheel is used for driving the upper adjusting seat to move up and down along the upper piston rod of the lower oil cylinder, and the limiting block is sleeved on the upper piston rod of the lower oil cylinder, is positioned between the upper adjusting seat and the lower connecting plate and moves up and down; the limiting block forms the retreating limit of the lower oil cylinder.
The worm is rotated to drive the worm wheel to horizontally rotate, so that the upper adjusting seat is driven to move up and down along the upper piston rod of the lower oil cylinder, the limiting height of the limiting block is adjusted, and the adjustment of the retraction limiting of the lower oil cylinder is realized.
The technical scheme is further improved and refined, the lower oil cylinder ejection adjusting device comprises an ejection adjusting hand wheel, an adjusting rod, an adjusting gear, an adjusting screw rod and a lower limiting block, wherein the ejection adjusting hand wheel is fixedly arranged on a lower cross beam, a rotating shaft is in driving connection, the rotating shaft is in meshed connection with the adjusting rod through a bevel gear, the adjusting rod vertically penetrates through the lower cross beam and is sleeved with the adjusting gear, the adjusting rod is in rotary contact with the lower cross beam, the adjusting gear is in meshed connection with the adjusting screw rod, the adjusting screw rod is sleeved on a lower outlet piston rod of the lower oil cylinder, and the lower limiting block is sleeved on the lower outlet piston rod of the lower oil cylinder and is supported on the adjusting screw rod; the lower limiting block forms an ejection limiting block of the lower oil cylinder;
and the ejection adjusting hand wheel is rotated, the adjusting rod is driven to rotate by the ejection adjusting hand wheel through the rotating shaft, and then the adjusting gear rotates to drive the adjusting screw rod to rotate and move up and down along the lower outlet piston rod of the lower oil cylinder, so that the limit height of the lower limit block is adjusted, and the ejection limit adjustment of the lower oil cylinder is realized.
The upper adjusting rod is rotated to enable the lower inclined plate in the upper fine adjustment inclined plate to move in the horizontal direction, the upper inclined plate is axially lifted and lowered along the upper piston rod of the upper oil cylinder, when the limit adjusting nut is pressed downwards, the upper adjusting nut is pressed onto the upper fine adjustment inclined plate, the pressing height of a product can be controlled, and fine adjustment of the height size can be realized; when in prepressing, the piston rods of the upper side cylinders advance to push the upper limiting blocks to advance to the lower parts of the prepressing adjusting nuts, so that the prepressing limiting effect is achieved.
The lower piston rod of the lower oil cylinder is also provided with a powder sinking device, the powder sinking device is a powder sinking cylinder and comprises a cylinder body, a piston head and a pressing cap, the cylinder body is sleeved at the tail end of the lower piston rod of the lower oil cylinder and fixedly connected with the lower piston rod of the lower oil cylinder through a spliced nut and a locking nut, the piston head is arranged in the cylinder body and sleeved on the lower piston rod of the lower oil cylinder, the piston heads are respectively in sliding sealing contact with the cylinder body and the lower piston rod of the lower oil cylinder, the upper end of the cylinder body is provided with the pressing cap, and the pressing cap is positioned above the piston head to form the upper limit of the piston head; the lower piston rod of the lower oil cylinder is sleeved with a lower adjusting seat, the lower adjusting seat is supported on the piston head and fixedly connected with the piston head, the lower adjusting seat is in sliding fit with the lower piston rod of the lower oil cylinder, a pin hole is formed in the lower adjusting seat, a positioning pin is arranged in the pin hole, the positioning pin is connected with the lower adjusting seat and the lower piston rod of the lower oil cylinder, and a gap is reserved between the pin hole and the positioning pin; the adjusting screw rod of the lower oil cylinder ejection adjusting device is sleeved on the lower adjusting seat and is in threaded connection with the lower adjusting seat.
When adding powder, the piston head of the powder sinking cylinder drives the lower adjusting seat to move upwards, the adjusting screw rod is driven to move upwards and push the upper limiting block to move upwards, and then the lower oil cylinder acts, and the upper limiting block is supported on the lower oil cylinder; after powder is added, a piston head of a powder sinking cylinder drives a lower adjusting seat to move downwards, an adjusting screw rod is driven to move downwards, a lower outlet piston rod of a lower oil cylinder moves upwards, and a female die on a lower movable beam moves upwards, so that powder in a female die cavity sinks, then pressing is carried out, and when an upper die punches downwards, a female die opening is free of powder, and therefore splashing of thin powder around the female die opening is avoided.
The technical scheme is further improved and refined, and a pair of machine legs are fixedly arranged at the bottom of the lower cross beam.
The invention has the advantages of reasonable design, simple structure, convenient assembly and disassembly of the die, safe and reliable use and complete function matching, and can simultaneously meet the pressing production process requirements of multi-step dry powder products and multi-layer products with different dry powders.
Drawings
Fig. 1 is a schematic structural diagram of a full-automatic multi-step multi-layer dry powder product forming hydraulic press.
Fig. 2 is a schematic diagram (top) of a partial structure of a multi-step multi-layer dry powder product full-automatic molding hydraulic press.
Fig. 3 is a schematic view (bottom) of a partial structure of a multi-step multi-layer dry powder product full-automatic molding hydraulic press.
Fig. 4 is a schematic diagram of a forming limit and amplifying structure of a floating die plate.
Fig. 5 is a schematic structural view of the limit fine adjustment device and the limit adjustment device.
Fig. 6 is a schematic diagram of the lower cylinder retraction adjustment apparatus.
Fig. 7 is a schematic structural view of a lower cylinder ejection adjusting device.
In the drawing, an upper movable beam 2, a lower movable beam 3, a vertical column 5, an upper cylinder 6, a limiting adjustment device 7, a limiting adjustment device 8, an upper connecting plate 9, an upper die plate 10, a female die hole 11, a female die pressing plate 12, a feeding plate 13, an automatic feeding device 14, a lower cylinder 15, a lower cylinder return adjustment device 16, a lower die plate 18, a lower guide post 19, a floating die 20, a fixed die plate 21, a lower cylinder ejection adjustment device 22, a lower die holder 24, a secondary charging floating plate 25, a secondary charging cylinder 26, a secondary charging ejection adjustment nut 27, a core rod 28, a central cylinder 29, a limiting adjustment nut 31, a limiting adjustment nut 32, a pre-pressing adjustment nut 34, an upper bottom plate 35, a fine adjustment inclined plate 37, an upper limit block 39, a fixed die 40, a fixed plate 41, a limiting adjustment block 42, a lower cylinder 43, a lower limit block 44, a worm 46, an upper adjustment seat 47, a limiting block 48, an ejection adjustment handwheel 49, an adjustment gear 51, an adjustment screw 52, a lower limit 53, a powder sinking device 54, a cylinder head 55, a cap 57, a press-up adjustment seat 59, a guide rod 60.
Detailed Description
As shown in fig. 1-7, a full-automatic forming hydraulic press for multi-step multilayer dry powder products comprises a main body, wherein the main body comprises four upright posts 5, an upper cross beam 1, an upper movable beam 2, a lower movable beam 3 and a lower cross beam 4 which are arranged in parallel in the vertical direction, the upper cross beam 1, the upper movable beam 2, the lower movable beam 3 and the lower cross beam 4 are sequentially arranged from top to bottom, the four upright posts 5 respectively correspond to and penetrate through holes in four corners of the upper cross beam 1, the upper movable beam 2, the lower movable beam 3 and the lower cross beam 4, the upper movable beam 2, the lower movable beam 3 and the four upright posts 5 are in precise sliding fit and slide up and down along the four upright posts 5, the upper cross beam 1 is fixedly connected with the four upright posts 5 through upper adjusting nuts and upper locking nuts, and the lower cross beam 4 is fixedly connected with the four upright posts 5 through lower adjusting nuts and lower locking nuts; an upper oil cylinder 6 is arranged on the upper cross beam 1, the upper oil cylinder 6 is a double-outlet piston rod oil cylinder, a limit fine adjustment device 8 and a limit adjustment device 7 are respectively arranged on an upper outlet piston rod of the upper oil cylinder 6, and a lower outlet piston rod of the upper oil cylinder 6 is fixedly connected with the upper piston beam 2 through an upper connecting plate 9; the upper oil cylinder 6 drives the upper movable beam 2 to slide up and down along the four upright posts 5; an upper template 10 is arranged at the bottom of the upper movable beam 2; a female die hole 11 for installing a female die is formed in the center of the lower movable beam 3, a female die pressing plate 12 for pressing the female die is arranged at the upper part of the female die hole 11, a feeding plate 13 is further arranged on the upper plane of the lower movable beam 3, and an automatic feeding device 14 is arranged on the feeding plate 13; the lower beam 4 is provided with a lower oil cylinder 15, the lower oil cylinder 15 is a double-outlet piston rod oil cylinder, a lower oil cylinder withdrawal adjusting device 16 is arranged on an upper outlet piston rod of the lower oil cylinder 15 and is fixedly connected with a lower template 18 through a lower connecting plate 17, four corners of the lower template 18 are respectively provided with a lower guide pillar 19, the lower guide pillars 19 respectively penetrate through a floating template 20 and a fixed template 21 which are arranged between the lower movable beam 3 and the lower beam 4 and are fixedly connected with the lower movable beam 3, the lower oil cylinder 15 drives the lower movable beam 3 to slide up and down along four upright posts 5, the floating template 20, the fixed template 21 and the lower guide pillars 19 are in precise sliding fit, and the lower outlet piston rod of the lower oil cylinder 15 is provided with a lower oil cylinder ejection adjusting device 22; a pair of equal-height supporting plates 23 are arranged on the lower beam 4, the supporting plates 23 are in supporting connection with the fixed template 21, a lower die holder 24 is arranged between the fixed template 21 and the floating template 20, the lower die holder 24 and the fixed template 21 are connected into a whole and form a withdrawal limit of the floating template 20, a die cavity is arranged on the lower die holder 24, a secondary feeding floating plate 25 is arranged in the die cavity, a secondary feeding cylinder 26 is arranged in the middle of the fixed template 21, the secondary feeding cylinder 26 is a double-outlet piston rod cylinder, an upper outlet piston rod of the secondary feeding cylinder 26 penetrates through the lower die holder 24 and is fixedly connected with the secondary feeding floating plate 25 to drive the secondary feeding floating plate 25 to float, and a secondary feeding ejection adjusting nut 27 is arranged on a lower outlet piston rod of the secondary feeding cylinder 26; a core rod connecting rod 28 is arranged in a piston rod of the secondary charging cylinder 26, the upper end of the core rod connecting rod 28 penetrates through the secondary charging floating plate 25, the lower end of the core rod connecting rod 28 penetrates through the lower connecting plate 17 to be connected with a piston rod of a lower central cylinder 29 arranged at the central position of an upper outlet piston rod of the lower oil cylinder 15, and the lower central cylinder 29 drives the core rod connecting rod 28 to move up and down; a floating cylinder 30 is fixedly arranged on the fixed template 21, a piston rod of the floating cylinder 30 is fixedly connected with the floating template 20, the floating template 20 is driven to slide up and down along the lower guide post 19, and a through hole is arranged in the center of the floating template 20; the limiting and adjusting device 7 comprises a limiting and locking nut 31, a limiting and adjusting nut 32, a pre-pressing and locking nut 33 and a pre-pressing and adjusting nut 34, wherein the limiting and locking nut 31 and the limiting and adjusting nut 32 are sequentially sleeved on a piston rod on the upper oil cylinder 6 from top to bottom, are in threaded fit connection, and the pre-pressing and locking nut 33 and the pre-pressing and adjusting nut 34 are sequentially sleeved on the limiting and adjusting nut 32 from top to bottom and are in threaded fit connection; the limit fine adjustment device 8 comprises an upper bottom plate 35, an upper fine adjustment inclined plate 37, an upper side cylinder sliding plate 38, an upper limiting block 39 and an upper side cylinder 40, wherein the upper bottom plate 35 is sleeved on an upper piston rod of the upper cylinder 6 and is fixedly connected with a cylinder body of the upper cylinder 6, the upper side cylinder sliding plate 38 is sleeved on the upper piston rod of the upper cylinder 6 and is positioned above the upper bottom plate 35, the upper bottom plate 35 is fixedly connected with the upper side cylinder sliding plate 38 through a fixed plate 41, the upper fine adjustment inclined plate 37 is arranged between the upper side cylinder sliding plate 38 and the upper bottom plate 35, the upper fine adjustment inclined plate 37 consists of an upper inclined plate and a lower inclined plate which are oppositely arranged by an upper inclined plate and a lower inclined plate, a gap for lifting and moving the upper inclined plate is reserved between the upper inclined plate and the upper side cylinder sliding plate 38, the upper piston rod of the upper oil cylinder 6 passes through the holes arranged in the middle of the upper inclined plate and the lower inclined plate, the hole in the middle of the upper inclined plate is a circular hole, the hole in the middle of the lower inclined plate is a kidney-shaped hole, an upper adjusting rod is arranged on the fixed plate 41 and connected with the lower inclined plate, the upper adjusting rod is rotated to drive the lower inclined plate to move in the horizontal direction, the lower inclined plate drives the upper inclined plate to axially lift and lower along the upper piston rod of the upper oil cylinder 6, a gap for the lower end of a limit adjusting nut 32 to pass is reserved between the upper cylinder sliding plate 38 and the upper piston rod of the upper oil cylinder 6, and an upper limit block 39 is fixedly arranged on the upper cylinder sliding plate 38 through an upper cylinder 40 and is driven to move by the upper cylinder 40; the limit adjusting nut 32 and the upper fine adjustment sloping plate 37 jointly form ejection limit of the upper oil cylinder 6; the upper limiting block 39 moves to the lower part of the pre-pressing adjusting nut 34 and forms pre-pressing limiting of the upper oil cylinder 6 together with the pre-pressing adjusting nut 34; the lower die holder 24 is rectangular in shape, a square hole in the horizontal direction is formed in the lower portion of the lower die holder, a lower fine-tuning inclined plate 59 is arranged in the square hole, the lower fine-tuning inclined plate 59 is formed by an upper inclined plate and a lower inclined plate which are oppositely arranged on an upper inclined plate and a lower inclined plate, an upper piston rod of the secondary charging cylinder 26 respectively penetrates through holes in the middle of the upper inclined plate and the lower inclined plate, the hole in the middle of the upper inclined plate is a circular hole, the hole in the middle of the lower inclined plate is a kidney-shaped hole, a lower adjusting rod is fixedly arranged on one side of the fixed die plate 21 through a fixing plate, the lower adjusting rod is connected with the lower inclined plate, a limit adjusting block 42 is fixedly arranged on the upper inclined plate, a lower limit block 44 is fixedly arranged on the floating die plate 20 through a lower side cylinder 43, and the lower side cylinder 43 pushes the lower limit block 44 to move; the lower limiting block 44 moves to the upper part of the limiting adjusting block 42 and forms the forming limit of the floating template 20 together with the limiting adjusting block 42; the lower oil cylinder withdrawal adjusting device 16 comprises a worm gear 45, a worm 46, an upper adjusting seat 47 and a limiting block 48, wherein the worm 46 is fixedly arranged on the lower beam 4 and is in meshed connection with the worm gear 45, the worm gear 45 is sleeved on the upper adjusting seat 47 and is in threaded connection with the upper adjusting seat 47, the upper adjusting seat 47 is sleeved on an upper outlet piston rod of the lower oil cylinder 15, a plurality of guide rods 60 are arranged in the upper adjusting seat 47, the guide rods 60 are fixedly connected with the lower beam 4, the worm gear 45 rotates to drive the upper adjusting seat 47 to move up and down along the upper outlet piston rod of the lower oil cylinder 15, and the limiting block 48 is sleeved on the upper outlet piston rod of the lower oil cylinder 15, is positioned between the upper adjusting seat 47 and the lower connecting plate 17 and moves up and down; the limiting block 48 forms the withdrawal limit of the lower oil cylinder 15; the lower oil cylinder ejection adjusting device 22 comprises an ejection adjusting hand wheel 49, an adjusting rod 50, an adjusting gear 51, an adjusting screw 52 and a lower limiting block 53, wherein the ejection adjusting hand wheel 49 is fixedly arranged on the lower cross beam 4, a driving connection rotating shaft is connected between the rotating shaft and the adjusting rod 50 through bevel gears in a meshed mode, the adjusting rod 50 vertically penetrates through the lower cross beam 4 and is sleeved with the adjusting gear 51, the adjusting rod 50 is in rotary contact with the lower cross beam 4, the adjusting gear 51 is in meshed connection with the adjusting screw 52, and the lower limiting block 53 is sleeved on a lower ejection piston of the lower oil cylinder 15 and is supported on the adjusting screw 52; the lower limiting block 53 forms an ejection limiting block of the lower oil cylinder 15; the lower outlet piston rod of the lower oil cylinder 15 is also provided with a powder sinking device 54, the powder sinking device 54 is a powder sinking cylinder and comprises a cylinder body 55, a piston head 56 and a pressing cap 57, the cylinder body 55 is sleeved at the tail end of the lower outlet piston rod of the lower oil cylinder 15 and fixedly connected with the lower outlet piston rod of the lower oil cylinder 15 through a spliced nut and a locking nut, the piston head 56 is arranged in the cylinder body 55 and sleeved on the lower outlet piston rod of the lower oil cylinder 15, the piston head 56 is respectively in sliding sealing contact with the cylinder body 55 and the lower outlet piston rod of the lower oil cylinder 15, the upper end of the cylinder body 55 is provided with the pressing cap 57, and the pressing cap 57 is positioned above the piston head 56 to form the upper limit of the piston head 56; the lower piston rod of the lower oil cylinder 15 is sleeved with a lower adjusting seat 58, the lower adjusting seat 58 is supported on the piston head 56 and fixedly connected with the piston head 56, the lower adjusting seat 58 is in sliding fit with the lower piston rod of the lower oil cylinder 15, a pin hole is formed in the lower adjusting seat 58, a positioning pin is arranged in the pin hole, the positioning pin is connected with the lower adjusting seat 58 and the lower piston rod of the lower oil cylinder 15, and a gap is reserved between the pin hole and the positioning pin; the adjusting screw 52 is sleeved on the lower adjusting seat 58 and is in threaded connection with the lower adjusting seat 58; a pair of machine legs are fixedly arranged at the bottom of the lower cross beam 4.
Because of the limited text expression and the limitless specific structure, it is possible for those skilled in the art to make several improvements, modifications or changes without departing from the principles of the present invention, and to combine the above technical features in a suitable manner; such modifications, variations and combinations, or the direct application of the inventive concepts and aspects to other applications without modification, are contemplated as falling within the scope of the present invention.
Claims (7)
1. The full-automatic forming hydraulic press for the multi-step multilayer dry powder product is characterized by comprising a main body, wherein the main body comprises four upright posts, an upper cross beam, an upper movable beam, a lower movable beam and a lower cross beam which are arranged in parallel in the vertical direction, the upper cross beam, the upper movable beam, the lower movable beam and the lower cross beam are sequentially arranged from top to bottom, the four upright posts respectively correspond to and penetrate through holes in four corners of the upper cross beam, the upper movable beam, the lower movable beam and the lower cross beam, the upper movable beam, the lower movable beam and the four upright posts are in precise sliding fit, and slide up and down along the four upright posts, the upper cross beam is fixedly connected with the four upright posts, and the lower cross beam is fixedly connected with the four upright posts;
an upper oil cylinder is arranged on the upper cross beam, a piston rod of the upper oil cylinder is fixedly connected with the upper movable beam, and the upper oil cylinder drives the upper movable beam to slide up and down along the four upright posts;
an upper template is arranged at the bottom of the upper movable beam;
a female die hole for installing a female die is formed in the center of the lower movable beam, a female die pressing plate for pressing the female die is arranged at the upper part of the female die hole, and an automatic feeding device is arranged on the lower movable beam;
the lower beam is provided with a lower oil cylinder, a piston rod of the lower oil cylinder is fixedly connected with a lower template, four corners of the lower template are respectively provided with a lower guide pillar, the lower guide pillars respectively penetrate through a floating template arranged between the lower movable beam and the lower beam, a fixed template and the lower movable beam are fixedly connected, the lower oil cylinder drives the lower movable beam to slide up and down along four upright posts, the floating template, the fixed template and the lower guide pillars are in precise sliding fit, the lower beam is provided with a pair of support plates with equal height, the support plates are supported and connected with the fixed template, a lower die holder is arranged between the fixed template and the floating template, the lower die holder is connected with the fixed template into a whole and forms a withdrawal limit of the floating template, a die slot is formed in the lower die holder, a secondary feeding floating plate is arranged in the die slot, a secondary feeding cylinder is arranged in the middle of the fixed template, a piston rod of the secondary feeding cylinder penetrates through the lower die holder and is fixedly connected with the secondary feeding floating plate, the fixed template is driven to float, the floating cylinder is fixedly arranged on the fixed template, the piston rod of the floating template is fixedly connected with the floating template, the floating die plate is driven to slide up and down, the die holder is connected with the floating die plate, and the floating die is driven to slide up and down along the lower guide pillar, and the floating template is provided with a through hole;
the secondary charging cylinder is a double-outlet piston rod oil cylinder, an upper outlet piston rod of the secondary charging cylinder penetrates through the lower die holder and is fixedly connected with the secondary charging floating plate, and a secondary charging ejection adjusting nut is arranged on the lower outlet piston rod of the secondary charging cylinder; a core rod connecting rod is arranged in a piston rod of the secondary feeding cylinder, the upper end of the core rod connecting rod penetrates through the secondary feeding floating plate, the lower end of the core rod connecting rod penetrates through the lower connecting plate to be connected with a piston rod of a lower central cylinder arranged at the central position of the piston rod of the lower oil cylinder, and the lower central cylinder drives the core rod connecting rod to move up and down;
the upper oil cylinder is a double-outlet piston rod oil cylinder, a limit fine adjustment device and a limit adjustment device are respectively arranged on an upper outlet piston rod of the upper oil cylinder, and a lower outlet piston rod of the upper oil cylinder is fixedly connected with the upper movable beam;
the limit fine adjustment device comprises an upper bottom plate, an adjusting rod, an upper fine adjustment inclined plate, an upper side cylinder sliding plate, an upper limiting block and an upper side cylinder, wherein the upper bottom plate is sleeved on an upper piston rod of the upper cylinder and is fixedly connected with a cylinder body of the upper cylinder; the limiting adjusting nut and the upper fine adjusting inclined plate jointly form an ejection limit of the upper oil cylinder, and the upper limiting block moves to the lower part of the pre-pressing adjusting nut and jointly forms a pre-pressing limit of the upper oil cylinder with the pre-pressing adjusting nut.
2. The full-automatic forming hydraulic press for the multi-step multilayer dry powder product according to claim 1, wherein the limit adjusting device comprises a limit lock nut, a limit adjusting nut, a pre-pressing lock nut and a pre-pressing adjusting nut, the limit lock nut and the limit adjusting nut are sequentially sleeved on an upper piston rod of an upper oil cylinder from top to bottom and are in threaded fit connection, and the pre-pressing lock nut and the pre-pressing adjusting nut are sequentially sleeved on the limit adjusting nut from top to bottom and are in threaded fit connection.
3. The full-automatic forming hydraulic press for the multi-step multilayer dry powder products according to claim 1, wherein the lower die holder is in the shape of a rectangular body, a square hole in the horizontal direction is formed in the lower portion of the lower die holder, a lower fine-tuning sloping plate is arranged in the square hole and consists of an upper sloping plate and a lower sloping plate which are oppositely arranged, an upper piston rod of a secondary charging cylinder respectively penetrates through holes in the middle of the upper sloping plate and the lower sloping plate, the holes in the middle of the upper sloping plate are circular holes, the holes in the middle of the lower sloping plate are kidney-shaped holes, a lower adjusting rod is fixedly arranged on one side of a fixed die plate through a fixed plate, the lower adjusting rod is connected with the lower sloping plate, a limit adjusting block is fixedly arranged on the upper sloping plate, a lower limit block is fixedly arranged on the lower plane of the floating die holder through a lower side cylinder, and the lower side cylinder pushes the lower limit block to move; the lower limiting block moves to the upper part of the limiting adjusting block and forms the forming limit of the floating template together with the limiting adjusting block.
4. The full-automatic molding hydraulic press for multi-step multi-layer dry powder products according to claim 1, wherein the lower oil cylinder is a double-outlet piston rod oil cylinder, a lower oil cylinder withdrawal adjusting device is arranged on an upper outlet piston rod of the lower oil cylinder and is fixedly connected with the lower template through a lower connecting plate, a lower center cylinder is arranged at the center of the upper outlet piston rod of the lower oil cylinder, and a lower oil cylinder ejection adjusting device is arranged on the lower outlet piston rod of the lower oil cylinder.
5. The full-automatic multi-step multi-layer dry powder product forming hydraulic machine according to claim 4, wherein the hydraulic machine comprises a hydraulic cylinder,
the lower oil cylinder return adjusting device comprises a worm wheel, a worm, an upper adjusting seat and a limiting block, wherein the worm is fixedly arranged on a lower cross beam, is in meshed connection with the worm wheel, is sleeved on the upper adjusting seat and is in threaded connection with the upper adjusting seat, the upper adjusting seat is sleeved on an upper piston rod of the lower oil cylinder, a plurality of guide rods are arranged in the upper adjusting seat, the guide rods are fixedly connected with the lower cross beam, the worm wheel is used for driving the upper adjusting seat to move up and down along the upper piston rod of the lower oil cylinder in a rotating manner, and the limiting block is sleeved on the upper piston rod of the lower oil cylinder, is positioned between the upper adjusting seat and the lower connecting plate and moves up and down; the limiting block forms the retreating limit of the lower oil cylinder.
6. The full-automatic multi-step multi-layer dry powder product forming hydraulic machine according to claim 4, wherein the hydraulic machine comprises a hydraulic cylinder,
the lower oil cylinder ejection adjusting device comprises an ejection adjusting hand wheel, an adjusting rod, an adjusting gear, an adjusting screw rod and a lower limiting block, wherein the ejection adjusting hand wheel is fixedly arranged on the lower cross beam, a driving connection rotating shaft is connected between the rotating shaft and the adjusting rod through bevel gears in a meshed mode, the adjusting rod vertically penetrates through the lower cross beam to extend out and is sleeved with the adjusting gear, the adjusting rod is in rotary contact with the lower cross beam, the adjusting gear is in meshed connection with the adjusting screw rod, the adjusting screw rod is sleeved on a lower outlet piston rod of the lower oil cylinder, the lower limiting block is sleeved on the lower outlet piston rod of the lower oil cylinder and is supported on the adjusting screw rod; and the lower limiting block forms the ejection limiting of the lower oil cylinder.
7. The full-automatic forming hydraulic machine for multi-step multi-layer dry powder products according to claim 1, wherein a pair of machine legs are fixedly arranged at the bottom of the lower cross beam.
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| CN201910205642.8A CN109773182B (en) | 2019-03-19 | 2019-03-19 | Full-automatic forming hydraulic press for multi-step multilayer dry powder products |
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| CN109773182B true CN109773182B (en) | 2023-12-29 |
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| CN101837456A (en) * | 2009-03-18 | 2010-09-22 | 吴宣 | Multi-step formwork for full-automatic dry powder hydrostatic press |
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