CN212979348U - Multi-station salt core product full-automatic dry powder hydraulic press - Google Patents

Abstract

The utility model relates to a salt core pressing equipment, concretely relates to full-automatic dry powder hydraulic press of multistation salt core goods. It includes feeding device and main part, feeding device is used for in sending the main part into with the powder, then carries out extrusion through the main part, the main part includes four stands, entablature, goes up movable beam and bottom end rail, its characterized in that: the upper crossbeam is provided with an upper die driving device, the upper die driving device is used for driving the upper movable beam to slide up and down along the four upright posts, an upper die device is arranged below the upper movable beam, a lower die device and a lower die driving device for driving the lower die device are arranged on the lower crossbeam, a die cavity for filling powder is arranged on the lower die device, the lower die device is used for being matched with the upper die device to extrude and form the powder in the die cavity, the upper die device and the lower die device are respectively provided with two sets, and two salt core products can be formed by one-time operation. The utility model discloses rationally distributed, the structure is ingenious, can be in a flexible way the drawing of patterns, suppression process automation.

Description

Multi-station salt core product full-automatic dry powder hydraulic press

Technical Field

The utility model relates to a salt core pressing equipment, concretely relates to full-automatic dry powder hydraulic press of multistation salt core goods.

Background

With the continuous development of the casting industry, more and more castings need to be cast with cavities with complex shapes, and the requirements on the surface roughness and the cleanliness of the cavities are higher and higher, such as oil passages of engine pistons, while the traditional sand cores are difficult to clean, and the roughness cannot meet the requirements of product design, so that the used cores are required to have high strength, high dimensional accuracy and reliability and have good water solubility. The salt core casting is a novel casting process, the forming method can realize various complex shapes and meet the appearance effect of customers, and meanwhile, the forming method has the characteristics of environmental protection, no pollution and the like, can be recycled, and reduces the processing cost. However, the traditional universal machine type can only adopt manual or semi-automatic pressing, and has the problems of low production efficiency, high production cost, unstable product quality, unreliable safety and the like.

SUMMERY OF THE UTILITY MODEL

The problem to exist among the prior art, the utility model discloses a suppression salt core and the full-automatic dry powder hydraulic press of multistation salt core goods of special manufacture, the utility model discloses rationally distributed, the structure is ingenious, according to the characteristic of salt core powder, has adopted last mould, interior lower mould and three key element complex mould technologies of outer lower mould, can realize its nimble drawing of patterns in the suppression salt core goods, suppression process automation has avoided too much the intervention equipment operation of personnel and the potential safety hazard that arouses, has also reduced the human cost of enterprise simultaneously, the utility model discloses one-time operation can suppress two salt core goods, has improved the production efficiency of enterprise.

The utility model provides a technical scheme does: the utility model provides a full-automatic dry powder hydraulic press of multistation salt core goods, it includes feeding device and main part, feeding device is used for sending the powder into in the main part, then carries out extrusion through the main part, the main part includes four stands, from the top down in proper order parallel arrangement at the entablature on four stands, go up live-beam and bottom end rail, four upright posts correspond respectively and pass the through-hole that sets up on entablature, last live-beam, four angles of bottom end rail, and go up live-beam and the accurate sliding fit of four upright posts, and it slides from top to bottom along four upright posts, entablature and bottom end rail and four upright post fixed connection, its characterized in that: the upper cross beam is provided with an upper die driving device, the upper die driving device is used for driving the upper movable beam to slide up and down along the four upright posts, an upper die device is arranged below the upper movable beam, and the upper die device is used for extruding powder downwards.

The lower cross beam is provided with a lower die device and a lower die driving device for driving the lower die device, the lower die device is provided with a die cavity for filling powder, and the lower die device is used for matching with the upper die device to extrude and form the powder in the die cavity.

The scheme is further improved: the upper die device and the lower die device are of two sets, and two salt core products are formed in one-time operation mode.

The scheme is further improved: the upper die driving device is an upper oil cylinder, the upper oil cylinder is fixedly 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; the upper die device comprises an upper die plate, an upper die pad and an upper die punch which are sequentially arranged from top to bottom, the upper die plate is fixedly connected with the bottom of the upper movable beam, the upper die pad is fixedly connected with the upper die plate through bolts, the upper die punch is fixedly arranged on the upper die pad and is positioned through a positioning pin, and two upper guide posts are fixedly arranged on two sides of the upper die plate. The two sets of upper die devices are horizontally arranged along the direction of the upper cross beam.

The scheme is further improved: the bottom of the upper punch is provided with two symmetrical bulges, and the two bulges are used for forming two grooves on the salt core product.

The scheme is further improved: the lower die device comprises an inner lower die, an outer lower die, a female die plate, an inner lower die seat, a lower die pad, a floating die plate, a fixed die plate and a lower die plate, the outer lower die is fixedly mounted on the female die plate, the center of the outer lower die is a cavity, the inner lower die is mounted in the cavity of the outer lower die, the center of the inner lower die is also provided with a cavity, the inner lower die is fixedly connected with the inner lower die seat through a bolt in the cavity of the inner lower die and is positioned through a positioning pin, the inner lower die is fixedly connected with the lower die pad, the inner lower die seat is in precise sliding fit with the female die plate, the inner lower die slides up and down in the female die plate, the bottom of the inner lower die is further provided with an inner lower die adjusting pad, the lower die pad is fixedly mounted on the floating die plate, the female die plate is fixedly connected with the. The inner lower die moves up and down under the driving of the lower die driving device, and the formed salt core product is ejected out of the die cavity.

The scheme is further improved: the female die plate is connected with the upper die plate in a sliding manner through an upper guide pillar, and the upper guide pillar is in precise sliding fit with the female die plate; the fixed template is fixedly provided with four middle guide posts, the floating template is in sliding connection with the fixed template through the middle guide posts, and the floating template is in precise sliding fit with the middle guide posts; the lower die plate is fixedly provided with four lower guide posts, the lower guide posts penetrate through the fixed die plate to be fixedly connected with the floating die plate, and the fixed die plate and the lower guide posts are in precise sliding fit.

The scheme is further improved: the salt core forming die comprises an outer lower die, an inner lower die, a die cavity, a salt powder feeding device, an upper die device, a lower die driving device and a salt core driving device, wherein the top end of the inner wall of the outer lower die is provided with a forward notch, the top end of the outer wall of the inner lower die is provided with a reverse notch, the forward notch is matched with the reverse notch to form the die cavity, the die cavity is annular, the arrangement is adopted, the die cavity is a splicing die cavity, when the pressing operation is carried out, the forward notch at the top end of the inner wall of the outer lower die seat is abutted to the reverse notch at the top end of the outer wall of the inner lower die, the die cavity is a complete annular die cavity, the salt powder feeding device is used for feeding salt powder, the salt powder in the die cavity is; the lower die driving device is a jacking cylinder, the jacking cylinder is a double-rod piston cylinder, an upper piston rod of the jacking cylinder is fixedly connected with a lower template through a lower connecting plate, a jacking cylinder returning adjusting device is further arranged on the upper piston rod, and a jacking cylinder ejecting adjusting device is arranged on a lower piston rod of the jacking cylinder; smooth tapered groove has been seted up to the upper end surface of outer lower mould and the integration of the upper end surface of interior lower mould, the utility model discloses above the fashioned salt core goods fluted structure, in order to guarantee the homogeneity of salt core goods density, after the die cavity is added to the salt powder, can scrape partial powder in shaping groove structure's place before suppressing it, salt core goods density after the suppression shaping can be towards evenly like this, further improves its performance, makes its production that can not lead to the crackle because of density is uneven in the use.

The scheme is further improved: the ejection adjusting device of the ejection cylinder comprises an upper limiting seat and a plurality of upper limiting blocks arranged on the upper limiting seat, the ejection adjusting device of the ejection cylinder comprises a lower limiting seat and a plurality of lower limiting blocks arranged on the lower limiting seat, and the lower limiting seat is fixedly arranged at the end of the lower piston rod. When the salt core product is ejected upwards by the upward piston rod on the ejection cylinder, the salt core product is limited by the ejection cylinder ejection adjusting device, and in the return stroke process of the salt core product, the ejection cylinder returns to the adjusting device to limit the return stroke of the salt core product.

The scheme is further improved: still be equipped with salt core goods height adjusting device in the main part, salt core goods height adjusting device includes that fixed mounting is high spacing adjusting device and fixed mounting is at the spacing post of last loose girder bottom on the bottom end rail, spacing post is located directly over high spacing adjusting device, high spacing adjusting device includes the stand and is located the regulation pole of stand, the stand passes through threaded connection with the regulation pole, the stand inner wall is equipped with the internal thread, it is equipped with the external screw thread to adjust the pole outer wall. The height of the high-limit adjusting device is adjustable, the high-limit adjusting device is adjusted to be threaded, the limit column and the upper punch are driven by the upper oil cylinder to synchronously move, when the height of the salt core product needs to be adjusted, the adjusting rod is rotated to move upwards or downwards and upwards, the distance between the limit column and the high-limit adjusting device is shortened, the distance of the upper punch inserted into the die cavity is shortened, and the height of the salt core product is relatively improved; when the adjusting rod moves downwards, the distance between the limiting column and the high limiting adjusting device is lengthened, so that the distance of the upper punch inserted into the die cavity is lengthened, and the height of the salt core product is relatively reduced.

The scheme is further improved: feeding device is including the feed bin of storing salt powder and the material feeding unit who sends into the die cavity with salt powder, material feeding unit is fixed to be set up on the delivery sheet, the delivery sheet passes through backup pad and negative template fixed connection, the feed bin passes through feed bin support fixed mounting on the entablature, the feed bin passes through conveying pipeline and material feeding unit fixed connection, material feeding unit includes the pay-off jar of pay-off box and drive pay-off box, pay-off jar drive pay-off box reciprocating sliding on the delivery sheet, pay-off box bottom is the cavity, two pipe chute are installed to pay-off box top symmetry, the conveying pipeline is two with the same reason, respectively with the pipe chute fixed connection that corresponds. Two pipe chute correspond corresponding die cavity respectively, can realize accurate unloading, have practiced thrift the raw materials, have reduced the manufacturing cost of enterprise.

The process for pressing the salt core product by adopting the multi-station salt core product full-automatic dry powder 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 outer lower die is arranged on a female template, an inner lower die is arranged on a floating template, and the tops of the inner lower die and the outer lower die are flush with the upper plane of a feeding plate when the inner lower die and the outer lower die are initially positioned.

(2) Charging of

Salt powder is fed into a die cavity in which a forward notch at the top end of the inner wall of the outer lower die base is abutted with a reverse notch at the top end of the outer wall of the inner lower die through an automatic feeding device.

(3) Pressing

The upper oil cylinder drives an upper template arranged on the upper movable beam to drive an upper die punch to move downwards to enter a die cavity opening, the salt powder filled in the die cavity is sealed, the upper die punch continues to press downwards under the action of the upper oil cylinder, the inner lower die and the outer lower die are kept still until a set forming position is reached, and after pressure maintaining and pressure relief, a product is pressed and formed.

(4) Demoulding

The upper oil cylinder drives the upper movable beam to move upwards to drive the upper die to move backwards, the lower oil cylinder drives the inner lower die to move upwards at the same time, the outer lower die keeps still, and thus the inner lower die pushes the formed product out of the die cavity to realize product demoulding.

Compared with the prior art, the utility model discloses the beneficial effect who brings does: because the difference of technological requirement, the hydraulic press of traditional suppression psammitolite can't successfully suppress salt core goods, perhaps the salt core goods quality of suppression can't satisfy the operation requirement, and the change that simply passes through the mould, does not carry out the change that suits to overall structure, also can't reach the technological requirement of suppression salt core goods, the utility model discloses specially make for suppression salt core goods, overall structure is rationally distributed, design benefit, has reached the technological requirement of suppression salt core goods, and the problem of the unable drawing of patterns of creative solution salt core goods, whole equipment operation is automatic, has reduced the intervention of human factor, and salt core goods product quality after the shaping is good, and the surface finish is good, and intensity and hardness are higher, very big satisfied the user demand.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a left side view of the present invention.

Fig. 3 is a front view of the upper structure of the present invention.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is a front view of the substructure of the present invention.

Fig. 6 is an enlarged view of a portion B in fig. 5.

Fig. 7 is a side view of the feeding box, the manipulator and the scraper of the present invention.

Fig. 8 is a schematic structural diagram of the feeding box, the manipulator and the scraper in the direction P in fig. 1.

Fig. 9 is a front view of the scraper of the present invention.

Fig. 10 is a left side view of the scraper of the present invention.

Figure 11 is a schematic diagram of the structure of a pressed salt core article of the present invention.

Detailed Description

The following examples are given in conjunction with the accompanying drawings to further illustrate the embodiments of the present invention. The present invention is not limited to the description of the following embodiments.

As shown in fig. 1 to 10: the utility model provides a full-automatic dry powder hydraulic press of multistation salt core goods, it includes feeding device 1 and main part 2, feeding device 1 is used for sending the powder into in the main part 2, then carries out extrusion through main part 2, main part 2 includes four stands 3, from the top down parallel arrangement in proper order on four stands 3 entablature 4, go up live beam 5 and bottom end rail 6, four stands 3 correspond respectively and pass the through-hole that sets up on entablature 4, last live beam 5, four angles of bottom end rail 6, and go up live beam 5 and the accurate sliding fit of four stands 3, it slides from top to bottom along four stands 3, entablature 4 and bottom end rail 6 and four stands 3 fixed connection, its characterized in that: an upper die driving device 7 is installed on the upper cross beam 4, the upper die driving device 7 is used for driving the upper movable beam 5 to slide up and down along the four upright posts 3, an upper die device 8 is installed below the upper movable beam 5, and the upper die device 8 is used for extruding powder downwards.

The upper die device 9 is used for being matched with the upper die device 8 to extrude the powder in the die cavity 11, the upper die device 8 and the lower die device 9 are of two sets, and two salt core products can be formed through one-time operation.

The upper die driving device 7 is an upper oil cylinder 71, the upper oil cylinder 71 is fixedly arranged on the upper cross beam 4, a piston rod 72 of the upper oil cylinder is fixedly connected with the upper movable beam 5, and the upper oil cylinder 71 drives the upper movable beam 5 to slide up and down along the four upright posts 3; the upper die device 8 comprises an upper die plate 81, an upper die pad 82 and an upper die punch 83 which are sequentially arranged from top to bottom, the upper die plate 81 is fixedly connected with the bottom of the upper movable beam 5, the upper die pad 82 is fixedly connected with the upper die plate 81 through bolts, the upper die punch 83 is fixedly arranged on the upper die pad 82, two upper guide pillars 12 are fixedly arranged at four corners of the upper die plate 81, two symmetrical bulges 84 are arranged at the bottom of the upper die punch 83, and the two bulges 84 are used for forming two grooves in the salt core product.

The lower die device 9 comprises an inner lower die 91, an outer lower die 92, a female die plate 93, an inner lower die seat 94, a lower die pad 95, a floating die plate 96, a fixed die plate 97 and a lower die plate 98, wherein the outer lower die 92 is fixedly arranged on the female die plate 93, the center of the outer lower die 92 is a cavity, the inner lower die 91 is arranged in the cavity of the outer lower die 92, the center of the inner lower die 91 is also provided with the cavity, the inner lower die 91 is fixedly connected with the inner lower die seat 94 through bolts in the cavity and is positioned through positioning pins, the inner lower die 91 is fixedly connected with the lower die pad 95, the inner lower die seat 94 and the female die plate 93 are in precise sliding fit, the inner lower die 91 slides up and down in the female die plate 93, an inner lower die adjusting pad 99 is further arranged at the bottom of the inner lower die 91, the lower die pad 95 is fixedly arranged on the floating die plate 96, and the female die plate, the fixed template 97 is fixedly connected with the lower cross beam 6 through the lower support plate 17.

The female die plate 93 is connected with the upper die plate 81 in a sliding manner through an upper guide post 12, and the upper guide post 12 is in precise sliding fit with the female die plate 83; four middle guide posts 13 are fixedly mounted on the fixed template 97, the floating template 96 is slidably connected with the fixed template 97 through the middle guide posts 13, and the floating template 96 is in precise sliding fit with the middle guide posts 13; four lower guide posts 14 are fixedly mounted on the lower template 91, the lower guide posts 14 penetrate through a fixed template 97 to be fixedly connected with a floating template 96, and the fixed template 97 and the lower guide posts 14 are in precise sliding fit.

A forward notch is formed in the top end of the inner wall of the outer lower die 92, a reverse notch is formed in the top end of the outer wall of the inner lower die, the forward notch and the reverse notch are matched to form a die cavity 11, and the die cavity 11 is annular; the lower die driving device 10 is a top cylinder 101, the top cylinder 101 is a double-rod piston cylinder, an upper piston rod 102 of the top cylinder is fixedly connected with a lower template 97 through a lower connecting plate 18, a top cylinder retraction adjusting device 19 is further arranged on the upper piston rod 102, and a top cylinder ejection adjusting device 20 is arranged on a lower piston rod 103 of the top cylinder; the upper end surface of the outer lower die 92 and the upper end surface of the inner lower die are integrally provided with smooth conical grooves 21; the cylinder ejection adjusting device 19 comprises an upper limiting seat 191 and a plurality of upper limiting blocks 192 arranged on the upper limiting seat, the cylinder ejection adjusting device 20 comprises a lower limiting seat 201 and a plurality of lower limiting blocks 202 arranged on the lower limiting seat, and the lower limiting seat 201 is fixedly arranged at the end head of the lower piston rod 103.

Still be equipped with salt core goods height adjusting device 22 on main part 2, salt core goods height adjusting device 22 includes high spacing adjusting device 221 of height and fixed mounting at the spacing post 222 of last live-beam bottom of fixed mounting on lower beam 6, spacing post 222 is located directly over high spacing adjusting device 221, high spacing adjusting device 221 of height includes stand 223 and is located the regulation pole 224 of stand, stand 223 passes through threaded connection with regulation pole 224, the stand 223 inner wall is equipped with the internal thread, it is equipped with the external screw thread to adjust the pole 224 outer wall.

The feeding device 1 comprises a bin 23 for storing salt powder and a feeding device 24 for feeding the salt powder into a die cavity, wherein the feeding device 24 is fixedly arranged on a feeding plate 25, the feeding plate 25 is fixedly connected with a female die plate 93 through an upper supporting plate 15, the bin 23 is fixedly arranged on an upper cross beam 4 through a bin support 27, the bin 23 is fixedly connected with the feeding device 24 through a feeding pipe 28, the feeding device 24 comprises a feeding box 241 and a feeding cylinder 242 for driving the feeding box, the feeding cylinder 242 drives the feeding box 241 to slide on the feeding plate 25 in a reciprocating manner, the bottom of the feeding box 241 is a cavity, two inclined pipes 243 are symmetrically arranged at the top of the feeding box 241, and the two feeding pipes 28 are two in the same principle and are respectively and fixedly connected with the corresponding inclined pipes 243.

A scraper 29 and a manipulator 30 are fixedly installed at the front end of the feeding box 241, the scraper 29 is used for scraping redundant powder in the die cavity 11, the manipulator 30 is used for conveying extruded salt core products out of the main body 2, the scraper 29 and the manipulator 30 are fixedly connected with the front end of the feeding box 241 through a manipulator bracket 31, the scraper 29 is fixedly connected with the middle position of the front end of the manipulator bracket 31 through a connecting bracket 32, the scraper 29 comprises a scraper plate 291 and a scraper cylinder 292 driving the scraper plate 291 to move up and down, the scraper cylinder 292 is fixedly installed on the connecting bracket 32, the scraper plate 291 is made of rubber materials, the end part of the scraper plate 291 is conical and matched with the conical groove 21, a cylinder rod 293 of the scraper cylinder 292 is fixed on the scraper cylinder 292 through a splicing nut, the scraper plate 291 is fixedly connected with a cylinder rod 293 through a bolt structure, an irregular connecting plate 294 is fixedly installed at the front end of the scraper cylinder 292, the side of scraping the flitch 291 and keeping away from the board of irregular connection 294 still is equipped with limiting plate 295, the position that the board of irregular connection 294 corresponds the scraping the flitch is seted up vertically and is run through the groove, the bolt structure that scraping the flitch 291 and be connected with cylinder 293 runs through vertically and runs through the groove, forms the spacing track that scrapes the flitch 291 and reciprocate, irregular connection board 294 and limiting plate 295 will scrape the flitch 291 centre gripping in the middle of, it reciprocates to scrape the flitch 291 and carries out spacing, can also guarantee its intensity when scraping the powder operation to salt powder.

The manipulator 30 is fixedly installed on the manipulator support 31 through a connecting plate 33, the manipulator 30 comprises a clamping half ring 301 and a manipulator cylinder 302 for driving the clamping half ring, the manipulator 30 comprises a left manipulator and a right manipulator, the left manipulator and the right manipulator are oppositely arranged on two sides of the scraper 29, and the left clamping half ring and the right clamping half ring are matched to support a salt core product 34.

The utility model discloses a working process does: initially, adjusting a height adjusting device of a salt core product according to the height requirement of the required salt core product, specifically, changing the distance between a high-limit adjusting device and a limit column by rotating an adjusting rod upwards or downwards so as to change the depth of an upper punch entering a die cavity, finally achieving the requirement of controlling the height of the salt core product, adjusting the distance between the high-limit adjusting device and the limit column, driving a feeding box to be right above the die cavity by a feeding cylinder, enabling salt powder in a bin to enter the feeding box through a feeding pipe, entering the die cavity through the feeding box, after powder adding is finished, driving the feeding box to return to an initial position by the feeding cylinder, driving a scraping plate to move downwards to a preset stroke by the scraping cylinder, scraping the salt powder on a conical groove by the scraping plate, and when the feeding box returns to the initial position, just positioning a manipulator right above an inner lower die and then, the upper oil cylinder drives the upper movable beam to move downwards so as to drive the upper punch to move downwards, in the process, the upper guide pillar slides downwards in the female die plate to form a downward moving track of the upper punch, the problem that the upper punch cannot be aligned with a die cavity due to left and right movement is solved, the upper punch rapidly moves downwards, the descending speed is reduced when the upper punch approaches the die cavity, the salt powder filled into the die cavity is slowly fed into a die cavity port, the upper punch continues to press downwards under the action of the upper oil cylinder, the inner lower die and the outer lower die are kept still until a forming position is reached, a salt core product is pressed and formed after pressure maintaining and pressure relief, the upper oil cylinder drives the upper punch to move upwards to an initial position, the top cylinder drives the upper piston rod to move upwards, the piston rod drives the lower die plate to move upwards, the lower die plate drives the lower guide pillar to move upwards in the fixed die plate, so as to drive the floating die plate fixed on the lower guide pillar to move upwards, the lower template drives the floating template to move upwards along the middle guide post, so as to drive the lower die cushion to move upwards, the lower die cushion drives the inner lower die seat to move upwards in the female template, finally the inner lower die fixed on the inner lower die seat is driven to move upwards, the salt core product positioned at the top of the inner lower die is ejected out of the die cavity by the inner lower die, so as to realize demoulding, the equipment completes one-time pressing operation, then a left manipulator and a right manipulator positioned at two sides of the inner lower die start to operate, specifically, two manipulator cylinders drive two clamping semi-rings to move simultaneously towards the inner lower die until the inner lower die is simultaneously embraced, the top cylinder moves downwards, so as to drive the inner lower die to move downwards, the salt core product positioned at the top of the inner lower die falls on the two clamping semi-rings, the feeding cylinder drives the feeding box to move forwards, the salt core product positioned on the two clamping semi-rings is sent to, meanwhile, the feeding box is just above the die cavity, feeding is started to the die cavity, after feeding is completed, the feeding cylinder drives the feeding box to return to an initial position, the mechanical arms are located on two sides of the die cavity at the moment, the main body performs pressing operation, and follow-up processes are repeated.

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. The utility model provides a full-automatic dry powder hydraulic press of multistation salt core goods, it includes feeding device and main part, feeding device is used for sending the powder into in the main part, then carries out extrusion through the main part, the main part includes four stands, from the top down in proper order parallel arrangement at the entablature on four stands, go up live-beam and bottom end rail, four upright posts correspond respectively and pass the through-hole that sets up on entablature, last live-beam, four angles of bottom end rail, and go up live-beam and the accurate sliding fit of four upright posts, and it slides from top to bottom along four upright posts, entablature and bottom end rail and four upright post fixed connection, its characterized in that: an upper die driving device is mounted on the upper cross beam and used for driving the upper movable beam to slide up and down along the four upright posts, and an upper die device is mounted below the upper movable beam and used for extruding powder downwards;

the lower cross beam is provided with a lower die device and a lower die driving device for driving the lower die device, the lower die device is provided with a die cavity for filling powder, and the lower die device is used for matching with the upper die device to extrude and form the powder in the die cavity.

2. The multi-station salt core product full-automatic dry powder hydraulic press according to claim 1, characterized in that: the upper die device and the lower die device are of two sets, and two salt core products are formed in one-time operation mode.

3. The multi-station salt core product full-automatic dry powder hydraulic press according to claim 1, characterized in that: the upper die driving device is an upper oil cylinder, the upper oil cylinder is fixedly 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; the upper die device comprises an upper die plate, an upper die pad and an upper die punch which are sequentially arranged from top to bottom, the upper die plate is fixedly connected with the bottom of the upper movable beam, the upper die pad is fixedly connected with the upper die plate through bolts, the upper die punch is fixedly arranged on the upper die pad and is positioned through a positioning pin, and two upper guide posts are fixedly arranged on two sides of the upper die plate.

4. The multi-station salt core product full-automatic dry powder hydraulic press according to claim 3, characterized in that: the bottom of the upper punch is provided with two symmetrical bulges, and the two bulges are used for forming two grooves on the salt core product.

5. The multi-station salt core product full-automatic dry powder hydraulic press according to claim 1, characterized in that: the lower die device comprises an inner lower die, an outer lower die, a female die plate, an inner lower die seat, a lower die pad, a floating die plate, a fixed die plate and a lower die plate, the outer lower die is fixedly mounted on the female die plate, the center of the outer lower die is a cavity, the inner lower die is mounted in the cavity of the outer lower die, the center of the inner lower die is also provided with a cavity, the inner lower die is fixedly connected with the inner lower die seat through a bolt in the cavity of the inner lower die and is positioned through a positioning pin, the inner lower die is fixedly connected with the lower die pad, the inner lower die seat is in precise sliding fit with the female die plate, the inner lower die slides up and down in the female die plate, the bottom of the inner lower die is further provided with an inner lower die adjusting pad, the lower die pad is fixedly mounted on the floating die plate, the female die plate is fixedly connected with the.

6. The multi-station salt core product full-automatic dry powder hydraulic press according to claim 5, characterized in that: the female die plate is connected with the upper die plate in a sliding manner through an upper guide pillar, and the upper guide pillar is in precise sliding fit with the female die plate; the fixed template is fixedly provided with four middle guide posts, the floating template is in sliding connection with the fixed template through the middle guide posts, and the floating template is in precise sliding fit with the middle guide posts; the lower die plate is fixedly provided with four lower guide posts, the lower guide posts penetrate through the fixed die plate to be fixedly connected with the floating die plate, and the fixed die plate and the lower guide posts are in precise sliding fit.

7. The multi-station salt core product full-automatic dry powder hydraulic press according to claim 5, characterized in that: the top end of the inner wall of the outer lower die is provided with a forward notch, the top end of the outer wall of the inner lower die is provided with a reverse notch, the forward notch and the reverse notch are matched to form a die cavity, and the die cavity is annular; the lower die driving device is a jacking cylinder, the jacking cylinder is a double-rod piston cylinder, an upper piston rod of the jacking cylinder is fixedly connected with a lower template through a lower connecting plate, a jacking cylinder returning adjusting device is further arranged on the upper piston rod, and a jacking cylinder ejecting adjusting device is arranged on a lower piston rod of the jacking cylinder; and the upper end surface of the outer lower die and the upper end surface of the inner lower die are integrally provided with smooth conical grooves.

8. The multi-station salt core product full-automatic dry powder hydraulic press according to claim 7, characterized in that: the ejection adjusting device of the ejection cylinder comprises an upper limiting seat and a plurality of upper limiting blocks arranged on the upper limiting seat, the ejection adjusting device of the ejection cylinder comprises a lower limiting seat and a plurality of lower limiting blocks arranged on the lower limiting seat, and the lower limiting seat is fixedly arranged at the end of the lower piston rod.

9. The multi-station salt core product full-automatic dry powder hydraulic press according to claim 1, characterized in that: still be equipped with salt core goods height adjusting device in the main part, salt core goods height adjusting device includes that fixed mounting is high spacing adjusting device and fixed mounting is at the spacing post of last loose girder bottom on the bottom end rail, spacing post is located directly over high spacing adjusting device, high spacing adjusting device includes the stand and is located the regulation pole of stand, the stand passes through threaded connection with the regulation pole, the stand inner wall is equipped with the internal thread, it is equipped with the external screw thread to adjust the pole outer wall.

10. The multi-station salt core product full-automatic dry powder hydraulic press according to claim 1 or 5, characterized in that: feeding device is including the feed bin of storing salt powder and the material feeding unit who sends into the die cavity with salt powder, material feeding unit is fixed to be set up on the delivery sheet, the delivery sheet passes through backup pad and negative template fixed connection, the feed bin passes through feed bin support fixed mounting on the entablature, the feed bin passes through conveying pipeline and material feeding unit fixed connection, material feeding unit includes the pay-off jar of pay-off box and drive pay-off box, pay-off jar drive pay-off box reciprocating sliding on the delivery sheet, pay-off box bottom is the cavity, two pipe chute are installed to pay-off box top symmetry, the conveying pipeline is two with the same reason, respectively with the pipe chute fixed connection that corresponds.

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