CN209918885U - Full-automatic forming hydraulic press for multi-step and multi-layer dry powder products - Google Patents
Full-automatic forming hydraulic press for multi-step and multi-layer dry powder products Download PDFInfo
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- CN209918885U CN209918885U CN201920342861.6U CN201920342861U CN209918885U CN 209918885 U CN209918885 U CN 209918885U CN 201920342861 U CN201920342861 U CN 201920342861U CN 209918885 U CN209918885 U CN 209918885U
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Abstract
The utility model relates to a multi-step multilayer dry powder product full-automatic molding hydraulic machine, which comprises a main body, an upper beam, an upper movable beam, a lower movable beam and a lower beam, wherein the upper beam is provided with an upper oil cylinder which is driven to be connected 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 mode, the lower beam is provided with a supporting plate, the supporting plate supports and is connected with a fixed template, a lower die holder is arranged between the fixed template and 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, the secondary feeding floating plate is connected in a driving mode, the floating cylinder is fixedly mounted on the fixed template, and the floating template is connected in a floating cylinder driving mode. Can simultaneously meet the pressing production process requirements of multi-step dry powder products and multilayer different dry powder products.
Description
Technical Field
The utility model relates to a dry powder goods shaping technical field, concretely relates to full-automatic shaping hydraulic press of multi-step multilayer dry powder goods.
Background
A full-automatic forming hydraulic machine in the prior art is generally provided with a multi-step die carrier on a three-beam four-column hydraulic machine. Practice proves that certain requirements in actual production cannot be completely met, such as production of pressed electrical contacts, brake pads, bearing friction materials and the like, and the multi-layer dry powder product pressed by different metal powder can only be semi-automatically produced in a manual feeding mode, so that the efficiency is low, the cost is high, and the quality is unstable. In order to meet the production requirements of various industries, the company carries out scientific improvement, innovation, improvement and perfection on the structure and process of the full-automatic dry powder hydraulic press.
The method is as follows: CN201410444379.5 proposes a full-automatic multi-step powder product forming hydraulic press with five beams and four columns; it does not enable the compact production of multiple layers of different dry powders.
Disclosure of Invention
In order to solve the problem, the utility model provides a multi-step full-automatic shaping hydraulic press of multilayer dry powder goods solves the problem that the product suppression production of the different dry powder of multilayer can not be realized to multi-step powder goods shaping hydraulic press in the past.
The technical scheme of the utility model:
a multi-step full-automatic molding hydraulic press for multilayer dry powder products 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 lower movable beam are in precise sliding fit with the four upright posts 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 mounting 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 on the upper portion 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 penetrate 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 vertical 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 supporting plates with equal height, the supporting plates are supported and connected with the fixed template, a lower die holder is arranged between the fixed template and the floating template and is connected with the fixed template into a whole to form the return limit of the floating template, a die groove is arranged on the lower die holder, a secondary feeding floating plate is arranged in the die groove, a secondary feeding cylinder is arranged in the middle of the fixed template, and the piston rod of, the secondary feeding floating plate is driven to float, a floating cylinder is fixedly mounted on the fixed template, a piston rod of the floating cylinder is fixedly connected with the floating template, the floating template is driven to slide up and down along the lower guide pillar, and a through hole is formed in the center of the floating template.
The process for pressing the multi-step dry powder product by adopting the full-automatic forming hydraulic press comprises the following steps:
(1) die mounting
An upper punch for pressing a product to be pressed is arranged on an upper template, an inner lower punch is arranged on a secondary floating plate, an outer lower floating punch is arranged on a floating template, a female die is arranged in a female die hole, and the tops of the female die, the inner lower punch and the outer lower floating punch are parallel and level when the female die is at an initial position.
(2) Charging of
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 plate installed on the upper movable beam to move the upper punch downwards to enter a female die opening, the powder filled in the female die cavity is sealed, the upper punch continues to press downwards under the action of the upper oil cylinder, and meanwhile, 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 relatively moves upwards and presses upwards, and the upper punch and the inner lower punch float and press under the bidirectional counter-pressure acting force to a set forming position, pressure maintaining and pressure relief are realized, and a product is formed by pressing.
(4) Demoulding
The upper oil cylinder drives the upper movable beam to move upwards to drive the upper punch return stroke, meanwhile, the lower oil cylinder drives the lower movable beam to move downwards, the female die moves downwards, the floating cylinder drives the floating template 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 parallel and level, namely, a demoulding position, so that the inner lower punch pushes out a formed product out of the female die cavity to realize product demoulding, and a process action cycle is finished; and finishing the pressing of the multi-step dry powder product.
The process for pressing two layers of dry powder products by adopting the full-automatic forming hydraulic press comprises the following steps:
(1) die mounting
An upper punch for pressing a product to be pressed is arranged on an upper template, a lower punch is arranged on a secondary floating plate, a female die is arranged in a female die hole, and the tops of the female die and the lower punch are parallel and level when the female die is initially positioned.
(2) Charging of
The lower oil 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 sends the first powder into the female die cavity, the upper oil cylinder drives the upper die plate mounted on the upper movable beam to move the upper punch downwards to enter the female die orifice, the powder material filled into the female die cavity is simultaneously subjected to 'die sealing', and after the prepressing is finished, the upper oil 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 plate installed on the upper movable beam to drive the upper die punch to move downwards to enter the female die opening, the second powder filled in the female die cavity is pre-pressed while die sealing, after the pre-pressing is completed, the upper die punch continues to be pressed downwards under the action of the upper oil cylinder, and the female die moves downwards under the action of the lower oil cylinder, so that the lower die punch relatively moves upwards and presses upwards, the two-way counter-pressure acting force of the upper die punch and the inner lower die punch floats and presses to a set forming position, pressure maintaining and pressure relief are realized, and a product is formed by pressing.
(4) Demoulding
The upper oil cylinder drives the upper movable beam to move upwards to drive the upper die to return, meanwhile, the lower oil cylinder drives the lower movable beam to move downwards, the female die moves downwards until the tops of the female die and the lower die are flush, namely a die release position, a product is released, and a process action cycle is finished; the compression of the two layers of dry powder product is completed.
Of course, the hydraulic press can also be used for pressing multiple layers of products with different dry powders, and only the secondary floating template needs to float downwards for multiple times and then the different dry powders are added in sequence; even multiple layers of products with different dry powders are matched with the outer lower die arranged on the floating template in a punching way.
The technical scheme is further improved and refined, the secondary feeding cylinder is a double-piston rod oil cylinder, an upper piston rod of the secondary feeding cylinder penetrates through the lower die base and is fixedly connected with the secondary feeding floating plate, and a secondary feeding ejection adjusting nut is arranged on a lower piston rod of the secondary feeding 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 center of a piston rod of the lower oil cylinder, and the lower central cylinder drives the core rod connecting rod to move up and down.
The lower central cylinder drives the core rod connecting rod and the core rod arranged on the core rod connecting rod to be ejected out of the female die orifice, and after pressing is finished, the central hole of the product is formed; after the powder is filled in the female die cavity, the lower central cylinder drives the core rod connecting rod and the core rod arranged on the core rod connecting rod to be ejected out of the female die cavity and vibrate back and forth in a small amplitude, and the powder filled in the female die cavity is vibrated from loose packing density to jolt packing density under the action of the vibration of the core rod during ejection, so that 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; and 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-piston rod oil cylinder, a limiting fine adjustment device and a limiting adjustment device are respectively arranged on an upper piston rod of the upper oil cylinder, and a lower piston rod of the upper oil cylinder is fixedly connected with the upper movable beam.
Further improvement and refinement are made to above-mentioned technical scheme, spacing adjusting device includes that spacing locking is female, spacing regulation is female, pre-compaction locking is female and pre-compaction is adjusted female, and spacing locking is female, spacing regulation is female from top to bottom suit in proper order on going out the piston rod with last hydro-cylinder, screw-thread fit connection, and pre-compaction locking is female, pre-compaction is adjusted female from top to bottom suit in proper order on spacing regulation is female, screw-thread fit connection.
The technical scheme is further improved and refined, the limiting fine-adjustment device comprises an upper bottom plate, an adjustment rod, an upper fine-adjustment inclined plate, an upper side cylinder sliding plate, an upper limiting block and an upper side cylinder, the upper bottom plate is sleeved on an upper piston rod of an upper oil cylinder and is fixedly connected with a cylinder body of the upper oil cylinder, the upper side cylinder sliding plate is sleeved on the upper piston rod of the upper oil cylinder and is positioned above the upper bottom plate, the upper bottom plate is fixedly connected with the upper side cylinder sliding plate through a fixing plate, the upper piston rod of the upper oil cylinder penetrates through the upper bottom plate and the upper side cylinder sliding plate to move up and down, the upper bottom plate is fixedly connected with the upper side cylinder sliding plate through the fixing plate, the upper fine-adjustment inclined plate is arranged between the upper side cylinder sliding plate and the upper bottom plate, the upper fine-adjustment inclined plate is composed of an upper inclined plate and a lower inclined plate which are oppositely arranged, a gap for the upper inclined plate to lift and move is reserved between the, The upper cylinder sliding plate is fixedly arranged on the upper cylinder sliding plate through the upper cylinder and driven to move by the upper cylinder; the limiting adjusting nut and the upper fine-tuning inclined plate jointly form ejection limiting of the upper oil cylinder, and the upper limiting block moves to the position below the pre-pressing adjusting nut and jointly forms pre-pressing limiting of the upper oil cylinder with the pre-pressing adjusting nut.
When the limiting adjusting nut performs downward pressing, the pressing height of a product can be controlled by pressing the limiting adjusting nut on the upper fine-tuning inclined plate, and fine tuning of the height dimension can be realized; during prepressing, piston rods of the pair of upper side cylinders advance to push the pair of upper limiting blocks to advance to the position below the prepressing adjusting nut, so that the prepressing limiting effect is achieved.
The technical scheme is further improved and refined, the lower die holder is in a rectangular shape, a horizontal square hole is formed in the lower portion of the lower die holder, a lower fine-adjustment inclined plate is arranged in the square hole and consists of an upper inclined plate and a lower inclined plate which are oppositely arranged, an upper piston rod of a secondary feeding cylinder penetrates through the hole formed in the middles of the upper inclined plate and the lower inclined plate respectively, 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 a fixed template through a fixed plate and is connected with the lower inclined plate, a limiting adjusting block is fixedly arranged on the upper inclined plate, a lower limiting block is fixedly arranged on the lower plane of the floating template through a lower side cylinder, and the lower side cylinder pushes the lower limiting block to move; and the lower limiting block moves to the position above the limiting adjusting block to form forming limitation 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-tuning inclined plate to move in the horizontal direction, the upper inclined plate rises and falls along the axial direction of an upper piston rod of the secondary feeding oil cylinder to drive the limiting adjustment to move up and down, and then the forming limiting fine tuning is realized.
The technical scheme is further improved and refined, the lower oil cylinder is a double-piston-rod oil cylinder, a lower oil cylinder return adjusting device is arranged on an upper piston rod of the lower oil cylinder and is fixedly connected with the lower template through a lower connecting plate, the lower central cylinder is arranged at the central position of the upper piston rod of the lower oil cylinder, and a lower oil cylinder ejection adjusting device is arranged on a lower 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, the worm wheel is fixedly installed on a lower cross beam and is meshed and connected 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 drives the upper adjusting seat to move up and down along the upper piston rod of the lower oil cylinder in a rotating mode, the limiting block is sleeved on the upper piston rod of the lower oil cylinder and is positioned between the upper adjusting seat and a lower connecting plate to move up and down; the limiting block forms the return limiting of the lower oil cylinder.
The worm is rotated to drive the turbine to rotate horizontally, 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 return limiting adjustment 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, the ejection adjusting hand wheel is fixedly installed on the lower cross beam and is in driving connection with a rotating shaft, the rotating shaft is in meshing connection with the adjusting rod through a bevel gear, 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 rotating contact with the lower cross beam, the adjusting gear is in meshing connection with the adjusting screw rod, the adjusting screw rod is sleeved on a lower piston rod of the lower oil cylinder and is in threaded connection, and the lower limiting block is sleeved on the lower piston rod of the lower oil cylinder and is supported on the adjusting screw rod; the lower limit block forms ejection limit of the lower oil cylinder;
the ejection adjusting hand wheel is rotated, the ejection adjusting hand wheel drives the adjusting rod to rotate through the rotating shaft, the adjusting gear rotates to drive the adjusting screw to rotate and move up and down along the lower piston rod of the lower oil cylinder, and therefore the limiting height of the lower limiting block is adjusted, and ejection limiting adjustment of the lower oil cylinder is achieved.
When the limiting adjusting nut performs downward pressing, the pressing height of a product can be controlled by pressing the limiting adjusting nut on the upper fine-tuning inclined plate, and fine tuning of the height dimension can be realized; during prepressing, piston rods of the pair of upper side cylinders advance to push the pair of upper limiting blocks to advance to the position below the prepressing adjusting nut, so that the prepressing limiting effect is achieved.
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 is fixedly connected with the lower piston rod of the lower oil cylinder through a splicing nut and a locking nut, the piston head is arranged in the cylinder body and is sleeved on the lower piston rod of the lower oil cylinder, the piston head is 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 upper limit of the piston head; a lower adjusting seat is sleeved on a lower piston rod of the lower oil cylinder, the lower adjusting seat is supported on the piston head and is 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 and 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; and an 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 powder is added, the piston head of the powder sinking cylinder drives the lower adjusting seat to move upwards to drive the adjusting screw rod to move upwards and push the upper limiting block to move upwards, then the lower oil cylinder acts, and the upper limiting block is supported on the lower oil cylinder; after the powder is added, the piston head of the powder sinking cylinder drives the lower adjusting seat to move downwards to drive the adjusting screw rod to move downwards, the lower piston rod of the lower oil cylinder moves upwards, the female die on the lower movable beam moves upwards, so that the powder in the female die cavity sinks, then the pressing is carried out, and when the upper punch moves downwards, the female die does not have powder, so that the thin-layer powder at the periphery of the female die does not splash.
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 utility model discloses the advantage is, reasonable in design, simple structure, the mould is installed and removed the convenience, uses safe and reliable, and the function is supporting multiple, can satisfy the suppression production technology demand of the goods of the different dry powder of many steps dry powder goods and multilayer simultaneously.
Drawings
FIG. 1 is a schematic structural diagram of a multi-step multi-layer dry powder product full-automatic molding hydraulic press.
Fig. 2 is a partial structure schematic diagram (on) of a multi-step multi-layer dry powder product full-automatic molding hydraulic machine.
Fig. 3 is a partial structure schematic diagram (below) of a multi-step multi-layer dry powder product full-automatic molding hydraulic machine.
Fig. 4 is an enlarged structure diagram of the forming limit of the floating template.
Fig. 5 is a schematic structural diagram of the limit fine-tuning device and the limit adjusting device.
Fig. 6 is a schematic structural view of the lower cylinder retraction adjusting device.
Fig. 7 is a schematic structural diagram of the lower cylinder ejection adjusting device.
In the figure, an upper movable beam 1, an upper movable beam 2, a lower movable beam 3, a lower beam 4, an upright post 5, an oil cylinder 6 limit adjusting device 7 limit fine-adjusting device 8, an upper connecting plate 9, an upper die plate 10, a female die pressing plate 12, a feeding plate 13, an automatic feeding device 14, a lower oil cylinder 15, a return adjusting device 16, a lower connecting plate 18, a lower die plate 18, a lower oil cylinder 19, a floating die plate 20, a support plate 23, a lower die seat 24, a secondary feeding floating plate 25, a secondary feeding cylinder 26, a secondary feeding ejection adjusting screw 27, a lower central cylinder 29, a floating cylinder 30 limit adjusting nut 31 limit adjusting nut 32, a pre-pressing adjusting nut 33, an upper bottom plate 35, a fine-adjusting inclined plate 37, an upper cylinder sliding plate 38, an upper cylinder 40 limit adjusting block 39, a lower cylinder 41 limit adjusting block 42, a lower cylinder 43 48 ejection adjusting hand wheel 49, adjusting rod 50, adjusting gear 51, adjusting screw 52, lower limit block 53, powder sinking device 54, cylinder 55, piston head 56, pressing cap 57, lower adjusting seat 58, fine adjusting sloping plate 59 and guide rod 60.
Detailed Description
As shown in fig. 1-7, a multi-step full-automatic molding hydraulic press for 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 arranged in sequence 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-piston rod oil cylinder, a limit fine-adjustment device 8 and a limit adjustment device 7 are respectively arranged on an upper piston rod of the upper oil cylinder 6, and a lower piston rod of the upper oil cylinder 6 is fixedly connected with the upper movable 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 mounting 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 on the upper portion 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 cross beam 4 is provided with a lower oil cylinder 15, the lower oil cylinder 15 is a double-piston rod oil cylinder, an upper piston rod of the lower oil cylinder 15 is provided with a lower oil cylinder return adjusting device 16 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 cross 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 a lower oil cylinder ejection adjusting device 22 is arranged on the lower piston rod of the lower oil cylinder 15; a supporting plate 23 with equal height is arranged on the lower cross beam 4, the supporting plate 23 is supported and connected with a fixed template 21, a lower die base 24 is arranged between the fixed template 21 and a floating template 20, the lower die base 24 and the fixed template 21 are connected into a whole and form the return limit of the floating template 20, a die groove is arranged on the lower die base 24, a secondary feeding floating plate 25 is arranged in the die groove, a secondary feeding cylinder 26 is arranged in the middle of the fixed template 21, the secondary feeding cylinder 26 is a double-discharging piston rod oil cylinder, an upper discharging piston rod of the secondary feeding cylinder 26 penetrates through the lower die base 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 screw 27 is arranged on a lower discharging piston rod of the secondary feeding cylinder 26; a core rod connecting rod 28 is arranged in a piston rod of the secondary feeding cylinder 26, the upper end of the core rod connecting rod 28 penetrates through the secondary feeding 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 center position of an upper 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; the fixed template 21 is fixedly provided with a floating cylinder 30, a piston rod of the floating cylinder 30 is fixedly connected with the floating template 21, the floating template 21 is driven to slide up and down along the lower guide pillar 19, and the center of the floating template 21 is provided with a through hole; the limiting adjusting device 7 comprises a limiting locking nut 31, a limiting adjusting nut 32, a pre-pressing locking nut 33 and a pre-pressing adjusting nut 34, wherein the limiting locking nut 31 and the limiting adjusting nut 32 are sequentially sleeved on a piston rod which is arranged on the upper oil cylinder 6 from top to bottom and are in threaded fit connection, and the pre-pressing locking nut 33 and the pre-pressing adjusting nut 34 are sequentially sleeved on the limiting adjusting nut 34 from top to bottom and are in threaded fit connection; the limiting and fine-adjusting device 8 comprises an upper bottom plate 35, an upper fine-adjusting 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 oil cylinder 6 and is fixedly connected with a cylinder body of the upper oil cylinder 6, the upper side cylinder sliding plate 38 is sleeved on the upper piston rod of the upper oil 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 fixing plate 41, the upper fine-adjusting inclined plate 37 is arranged between the upper side cylinder sliding plate 38 and the upper bottom plate 35, the upper fine-adjusting inclined plate 37 is formed by an upper inclined plate and a lower inclined plate which are oppositely arranged, a gap for the upper inclined plate to move up and down 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 a hole arranged between the upper inclined plate and the lower inclined plate, the hole in the middle of the upper inclined, the upper adjusting rod is 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 rise and fall along an upper piston rod of the upper oil cylinder 6, a gap for the lower end of the limiting adjusting nut 34 to pass through is reserved between the upper cylinder sliding plate 38 and the upper piston rod of the upper oil cylinder 6, and the upper limiting block 39 is fixedly arranged on the upper cylinder sliding plate 38 through the upper cylinder 40 and driven to move by the upper cylinder 40; the limit adjusting nut 34 and the upper fine-tuning inclined plate 37 jointly form ejection limit of the upper oil cylinder 6; the upper limiting block 39 moves to the position below the pre-pressing adjusting nut 32 to form pre-pressing limiting of the upper oil cylinder 6 together with the pre-pressing adjusting nut 32; the lower die holder 24 is a rectangular body, the lower part of the lower die holder is provided with a horizontal square hole, a lower fine-adjustment inclined plate 59 is arranged in the square hole, the lower fine-adjustment inclined plate 59 is formed by an upper inclined plate and a lower inclined plate which are oppositely arranged, an upper piston rod of the secondary feeding cylinder 26 respectively penetrates through holes formed in the middles 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 fixed plate, the lower adjusting rod is connected with the lower inclined plate, a limiting adjusting block 42 is fixedly arranged on the upper inclined plate, a lower limiting block 44 is fixedly arranged on the floating die plate 20 through a lower side cylinder 43, and the lower side cylinder 43; the lower limit block 44 moves to the position above the limit adjusting block 42 to form forming limit of the floating template 20 together with the limit adjusting block 42; the lower oil cylinder return adjusting 16 device comprises a worm gear 45, a worm gear 46, an upper adjusting seat 47 and a limiting block 48, wherein the worm gear 46 is fixedly installed on the lower cross beam 4 and is meshed 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 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 cross beam 4, the worm gear 45 drives the upper adjusting seat 47 to move up and down along the upper piston rod of the lower oil cylinder 15 in a rotating mode, and the limiting block 48 is sleeved on the upper piston rod of the lower oil cylinder 15 and is located between the upper adjusting seat 47 and the lower connecting plate 17 to move; the limit block 48 forms a return 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 rod 52 and a lower limiting block 53, wherein the ejection adjusting hand wheel 49 is fixedly arranged on the lower cross beam 4 and is in driving connection with a rotating shaft, the rotating shaft is in meshing connection with the adjusting rod 50 through a bevel gear, the adjusting rod 50 vertically penetrates through the lower cross beam 4 to extend out and is sleeved with the adjusting gear 51, the adjusting rod 50 is in rotating contact with the lower cross beam 4, the adjusting gear 51 is in meshing connection with the adjusting screw rod 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 rod 52; the lower limit block 53 forms the ejection limit of the lower oil cylinder 15; the powder sinking device 54 is also arranged on the lower piston rod of the lower oil cylinder 15, 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 piston rod of the lower oil cylinder 15 and is fixedly connected with the lower piston rod of the lower oil cylinder 15 through a splicing nut and a locking nut, the piston head 56 is arranged in the cylinder body 55 and is sleeved on the lower 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 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 upper limit of the piston head 56; a lower adjusting seat 58 is sleeved on a lower piston rod of the lower oil cylinder 15, the lower adjusting seat 58 is supported on the piston head 52 and is fixedly connected with the piston head 52, 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 and 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 rod 52 is sleeved on the lower adjusting seat 58 and is in threaded connection with the lower adjusting seat 58; and a pair of machine legs is fixedly arranged at the bottom of the lower cross beam 4.
Because of the limited character expression, there exists an infinite concrete structure objectively, for those skilled in the art, without departing from the principle of the present invention, a plurality of improvements, decorations or changes can be made, and the above technical features can be combined in a proper way; the application of these modifications, variations or combinations, or the application of the concepts and solutions of the present invention in other contexts without modification, is not intended to be considered as a limitation of the present invention.
Claims (10)
1. A multi-step full-automatic molding hydraulic press for multilayer dry powder products, which is characterized in that,
the movable type building frame 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 four upright posts, the upper movable beam and the lower movable beam are precisely matched in a sliding manner 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 mounting 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 on the upper portion 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 penetrate 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 vertical 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 supporting plates with equal height, the supporting plates are supported and connected with the fixed template, a lower die holder is arranged between the fixed template and the floating template and is connected with the fixed template into a whole to form the return limit of the floating template, a die groove is arranged on the lower die holder, a secondary feeding floating plate is arranged in the die groove, a secondary feeding cylinder is arranged in the middle of the fixed template, and the piston rod of, the secondary feeding floating plate is driven to float, a floating cylinder is fixedly mounted on the fixed template, a piston rod of the floating cylinder is fixedly connected with the floating template, the floating template is driven to slide up and down along the lower guide pillar, and a through hole is formed in the center of the floating template.
2. The hydraulic machine for fully automatically molding the multi-step and multi-layer dry powder product according to claim 1, wherein the secondary feeding cylinder is a double-piston rod oil cylinder, an upper piston rod of the secondary feeding cylinder penetrates through the lower die base and is fixedly connected with the secondary feeding floating plate, and a secondary feeding ejection adjusting nut is arranged on a lower piston rod of the secondary feeding 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 center of a piston rod of the lower oil cylinder, and the lower central cylinder drives the core rod connecting rod to move up and down.
3. The hydraulic machine for fully automatically forming multi-step multi-layer dry powder products according to claim 1, wherein the upper oil cylinder is a double-piston rod oil cylinder, the upper piston rod of the upper oil cylinder is provided with a limit fine adjustment device and a limit adjustment device, and the lower piston rod of the upper oil cylinder is fixedly connected with the upper movable beam.
4. The hydraulic machine for fully automatically forming multi-step multi-layer dry powder products according to claim 3, wherein 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, the limiting and locking nut and the limiting and adjusting nut are sequentially sleeved on an upward piston rod of the upper oil cylinder from top to bottom and 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.
5. The hydraulic machine for fully automatically forming multi-step and multi-layer dry powder products according to claim 3, wherein the position-limiting and fine-adjusting device comprises an upper bottom plate, an adjusting rod, an upper fine-adjusting inclined plate, an upper cylinder slide plate, an upper limiting block and an upper cylinder, 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 upper cylinder slide plate is sleeved on the upper piston rod of the upper cylinder and is positioned above the upper bottom plate, the upper bottom plate is fixedly connected with the upper cylinder slide plate through a fixing plate, the upper piston rod of the upper cylinder passes through the upper bottom plate and the upper cylinder slide plate to move up and down, the upper bottom plate is fixedly connected with the upper cylinder slide plate through the fixing plate, the upper fine-adjusting inclined plate is arranged between the upper cylinder slide plate and the upper bottom plate, the upper fine-adjusting inclined plate is composed of an upper inclined plate and a lower inclined plate which are oppositely arranged, and a gap for the upper, an upper piston rod of the upper oil cylinder penetrates through a hole formed 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 waist-shaped hole, an upper adjusting rod is arranged on the fixing plate 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 rise and fall along the upper piston rod of the upper oil cylinder, a gap for the lower end of a limiting adjusting nut to pass through is reserved between the upper cylinder sliding plate and the upper piston rod of the upper oil cylinder, and an upper limiting block is fixedly mounted on the upper cylinder sliding plate through the upper cylinder and driven to move by; the limiting adjusting nut and the upper fine-tuning inclined plate jointly form ejection limiting of the upper oil cylinder, and the upper limiting block moves to the position below the pre-pressing adjusting nut and jointly forms pre-pressing limiting of the upper oil cylinder with the pre-pressing adjusting nut.
6. The hydraulic machine for fully automatically forming multi-step and multi-layer dry powder products according to claim 1, wherein the lower die holder is a rectangular body, the lower part of the lower die holder is provided with a horizontal square hole, a lower fine-adjustment inclined plate is arranged in the square hole, the lower fine-adjustment inclined plate is formed by an upper inclined plate and a lower inclined plate which are oppositely arranged, an upper piston rod of the secondary feeding cylinder respectively penetrates through a hole formed 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 waist-shaped hole, a lower adjusting rod is fixedly arranged on one side of the fixed die plate through a fixed 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 limit block is fixedly arranged on the lower plane of the floating die plate through a lower cylinder, and; and the lower limiting block moves to the position above the limiting adjusting block to form forming limitation of the floating template together with the limiting adjusting block.
7. The hydraulic machine for fully automatically forming multi-step multi-layer dry powder products according to claim 1, wherein the lower cylinder is a double-piston rod cylinder, a lower cylinder return adjusting device is arranged on an upper piston rod of the lower cylinder and is fixedly connected with the lower template through a lower connecting plate, the lower central cylinder is arranged at the central position of the upper piston rod of the lower cylinder, and a lower cylinder ejection adjusting device is arranged on a lower piston rod of the lower cylinder.
8. The hydraulic machine for fully automatic molding of multi-step and multi-layer dry powder product according to claim 7,
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 meshed and connected 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 drives the upper adjusting seat to move up and down along the upper piston rod of the lower oil cylinder in a rotating mode, and the limiting block is sleeved on the upper piston rod of the lower oil cylinder and is positioned between the upper adjusting seat and the lower connecting plate and moves up and down; the limiting block forms the return limiting of the lower oil cylinder.
9. The hydraulic machine for fully automatic molding of multi-step and multi-layer dry powder product according to claim 7,
the lower oil cylinder ejection adjusting device comprises an ejection adjusting hand wheel, an adjusting rod, an adjusting gear, an adjusting screw and a lower limiting block, wherein the ejection adjusting hand wheel is fixedly installed on the lower cross beam and is in driving connection with the rotating shaft; and the lower limiting block forms ejection limiting of the lower oil cylinder.
10. The hydraulic machine for fully automatically forming multi-step and multi-layer dry powder products according to claim 1, wherein a pair of machine legs is fixedly arranged at the bottom of the lower cross beam.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920342861.6U CN209918885U (en) | 2019-03-19 | 2019-03-19 | Full-automatic forming hydraulic press for multi-step and multi-layer dry powder products |
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| CN201920342861.6U CN209918885U (en) | 2019-03-19 | 2019-03-19 | Full-automatic forming hydraulic press for multi-step and multi-layer dry powder products |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109773182A (en) * | 2019-03-19 | 2019-05-21 | 南通中液液压机有限公司 | Multi-step multilayer dry product full-automatic molding hydraulic press |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109773182A (en) * | 2019-03-19 | 2019-05-21 | 南通中液液压机有限公司 | Multi-step multilayer dry product full-automatic molding hydraulic press |
| CN109773182B (en) * | 2019-03-19 | 2023-12-29 | 南通中液液压机有限公司 | Full-automatic forming hydraulic press for multi-step multilayer dry powder products |
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