CN221717935U - Three-station isostatic pressing forming machine - Google Patents

Abstract

The utility model discloses a three-station isostatic pressing machine, comprising a frame, a turntable, a driving motor for driving the turntable to rotate, and three discharge parts located on the top of the turntable and evenly arranged around the turntable as the center, each of the three discharge parts is provided with a mold assembly, and a hydraulic molding device, a demoulding device and a feeding device are respectively provided at positions above the turntable corresponding to the three discharge parts. The isostatic pressing machine of the utility model can realize automatic feeding and automatic demoulding by arranging three discharge parts on the turntable, and arranging hydraulic molding devices, demoulding devices and feeding devices at positions above the turntable corresponding to the three discharge parts, and can realize automatic feeding and automatic demoulding, and when the mold assembly enters the hydraulic molding device for molding, it can also automatically demould and automatically feed the mold assemblies on other discharge parts at the same time, so that the automation degree is high and the work efficiency is high, and the labor intensity of the staff is reduced.

Description

A three-station isostatic pressing machine

Technical Field

The utility model belongs to the technical field of isostatic pressing machines, in particular to a three-station isostatic pressing machine.

Background Art

Isostatic pressing machines are mainly used to press metal and non-metal powders into high-density rods, sheets and other shaped materials. Existing isostatic pressing machines usually require steps such as loading, compaction, processing, and demolding.

The Chinese utility model patent with publication number "CN214187648U" discloses an isostatic pressing device for preparing ceramic sleeves, which includes a frame, a high-pressure cylinder is fixedly arranged on the left side of the frame, a pressurizing chamber is arranged inside the high-pressure cylinder, a lifting plate with a connecting block is arranged below the high-pressure cylinder, a lower sealing seat is arranged on the upper side of the lifting plate, and the mold can be placed on the upper side of the lower sealing seat, a main box with a bottom plate is arranged on the right side of the frame, a lifting motor and a rotating rod are arranged on the left side of the bottom plate, the lifting motor can drive the rotating rod to rotate, and the lifting plate can be raised under the action of the rotating rod.

Although the isostatic pressing equipment has the advantages of automatic lifting of the mold into the hydraulic cylinder for work and convenient operation, since the above equipment still needs to rely on manual operation during the loading and demolding stages, the degree of automation is low and the efficiency is not high. The structure of the isostatic pressing equipment needs to be improved.

In view of this, the applicant conducted in-depth research on the above issues, which led to the present case.

Utility Model Content

The utility model aims to provide a three-station isostatic pressing machine with high automation and high manufacturing efficiency.

In order to achieve the above purpose, the utility model adopts the following technical solution:

A three-station isostatic pressing machine comprises a frame, wherein the frame is provided with a turntable which is horizontally arranged and rotatably connected to the frame, a driving motor for driving the turntable to rotate, and three discharge parts which are located on the top of the turntable and are evenly arranged around the turntable as the center, wherein a mold assembly is provided on each of the three discharge parts, wherein the mold assembly has a discharge space, and a hydraulic forming device, a demoulding device and a feeding device are respectively provided at positions corresponding to the three discharge parts above the turntable, wherein the rotation of the turntable drives the mold assembly to move among the feeding device, the hydraulic forming device and the demoulding device in sequence, wherein an opening for the mold assembly to enter is provided at the bottom of the hydraulic forming device, and the bottom of the mold assembly is sealed and connected to the opening at the bottom of the hydraulic forming device, and a lifting mechanism for feeding the mold assembly into the hydraulic forming device is provided at a position of the bottom of the turntable corresponding to the hydraulic forming device, and a control mechanism for controlling the coordinated linkage of the driving motor, the lifting mechanism, the feeding device and the demoulding device is also provided on the frame;

The feeding device comprises a feed cover plate which is escalable and arranged above the mold assembly, and an automatic feeder which is arranged above the feed cover plate, the bottom of the feed cover plate is sealedly connected to the top of the mold assembly, a feeding port which is connected to the discharge space is provided in the middle of the feed cover plate, and the discharge port of the automatic feeder is sealedly connected to the feeding port of the feed cover plate;

The demoulding device is used to remove the outer shell of the mold assembly. The demoulding device includes a vertically arranged sliding assembly and a clamping assembly fixedly arranged on the sliding assembly for clamping the mold assembly.

Furthermore, a covering mechanism for sealing the top of the mold assembly is provided on one side of the hydraulic forming device. The covering mechanism is arranged above the turntable and located on the rotation path of the mold assembly. An upper cover for sealing the mold assembly is provided at the bottom of the covering mechanism.

Furthermore, a detection mechanism for detecting whether the material in the mold assembly is completely filled is provided on one side of the hydraulic forming device. The detection mechanism is arranged above the turntable and on the rotation path of the mold assembly.

Furthermore, the hydraulic forming device includes a high-pressure inner cylinder and a load-bearing outer cylinder sleeved outside the high-pressure inner cylinder, the bottom of the high-pressure inner cylinder is provided with a feed port, the load-bearing outer cylinder is fixedly arranged above the frame, the feed port of the high-pressure inner cylinder is higher than the bottom of the load-bearing outer cylinder, a long groove connected to the feed port is opened on the side wall of the load-bearing outer cylinder, the long groove is located between the bottom of the load-bearing outer cylinder and the feed port, when the mold assembly is located in the high-pressure inner cylinder, the bottom of the mold base is flush with the top of the long groove, The long groove is connected to a transversely arranged channel, and the other end of the channel is provided with a push cylinder, and the output end of the push cylinder is arranged in the direction of the channel, and the output end of the push cylinder is provided with a block that can extend into the long groove. The bottom of the hydraulic forming device is also provided with a jacking base, and the jacking base is arranged between the mold assembly and the lifting mechanism. The top of the jacking base is downwardly provided with a retreat groove for the block to extend into, and slots for the jacking base to pass through are provided at the positions of the turntable corresponding to each of the discharge parts.

Furthermore, the lifting mechanism is a counterweight lifting mechanism, which is arranged on the side of the jacking base away from the turntable, the bottom of the jacking base is fixedly connected to the counterweight lifting mechanism, and a limit block is provided on the side of the counterweight lifting mechanism close to the jacking base, and the limit block is located at the bottom of the load-bearing outer cylinder. When the limit block abuts against the bottom of the load-bearing outer cylinder, the mold assembly completely enters the high-pressure inner cylinder.

Furthermore, a feed sealing cover plate for sealing the top of the mold assembly is provided at the bottom of the feed cover plate corresponding to the position of the mold assembly, the feed port passes through the feed cover plate and the feed sealing cover plate, a feed hopper is also provided on the top of the feed cover plate, the outlet of the feed hopper extends into the feed port, and a vacuum loader is also provided above the automatic feeder, the vacuum loader is sealed and connected to the automatic feeder, and the vacuum loader has a suction pipe for sucking materials.

Furthermore, an automatic compacting device for compacting the material in the discharge space is provided below the feeding device. The automatic compacting device is arranged at the bottom of the turntable. The automatic compacting device includes a vibrating machine housing and a vibrator arranged in the vibrating machine housing. A vertically arranged connecting cylinder is provided on the top of the vibrating machine housing, and the output end of the connecting cylinder is arranged upward.

Furthermore, the mold assembly includes a mold base arranged on the turntable, an inner mold fixedly arranged on the mold base, and an outer mold sleeved outside the inner mold, and the discharge space is formed between the outer mold and the inner mold.

Further, the sliding assembly includes a vertically arranged slide rail, a slide seat that can slide on the slide rail, and a sliding cylinder arranged on the top of the slide rail for driving the slide seat to slide. The clamping assembly is fixedly arranged on the slide seat. The clamping assembly includes a bidirectional cylinder that is transversely arranged on the slide seat. The output ends on both sides of the bidirectional cylinder are connected to clamping plates for clamping the outer mold. The end of the clamping plate away from the bidirectional cylinder is arc-shaped.

Furthermore, the clamping assembly is provided with two groups, and two slide seats are respectively provided at positions on the slide rail corresponding to the two groups of the clamping assemblies, and the distance between the two groups of the clamping assemblies is less than or equal to the height of the outer mold.

By adopting the above-mentioned design scheme, the beneficial effects of the utility model are:

The isostatic pressing machine of the utility model can realize automatic feeding and automatic demoulding by arranging three discharge parts on the turntable, and respectively arranging hydraulic forming devices, demoulding devices and feeding devices at positions above the turntable corresponding to the three discharge parts, and the mold assembly can also automatically demould and automatically feed the mold assembly on other discharge parts when entering the hydraulic forming device, so the automation degree is high and the working efficiency is high.

Furthermore, by opening a long groove on the load-bearing outer cylinder and cooperating with the side push-up cylinder, the mold assembly can be supported and fixed by the block pushed out by the push-up cylinder after entering the hydraulic forming device, thereby reducing the load of the counterweight lifting mechanism and improving the stability of the frame when the hydraulic forming device is working.

Furthermore, a vacuum feeder, a detection mechanism, a capping mechanism and an automatic vibration device are provided, which further improves the degree of automation and reduces the labor intensity of the staff.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a three-dimensional schematic diagram of the mold assembly in the isostatic pressing machine of the present invention before entering the hydraulic forming device.

FIG. 2 is a three-dimensional schematic diagram of another perspective of the mold assembly entering the hydraulic molding device in the isostatic pressing machine of the present invention.

3 is a schematic plan view of a cross section of a mold assembly in an isostatic pressing machine according to the present invention before the mold assembly enters a hydraulic forming device.

4 is a schematic cross-sectional plan view of the isostatic pressing machine of the present invention, showing a stopper abutting against the bottom of the mold assembly after the mold assembly has completely entered the hydraulic molding device.

In the figure:

1- turntable; 10- rack;

11-lifting base; 12-slot;

101-counterweight lifting mechanism; 102-limiting block;

111-recess; 2-mold assembly;

21-mold base; 22-inner mold;

23-external mold; 3-hydraulic forming device;

31- high pressure inner cylinder; 32- load bearing outer cylinder;

33-butting cylinder; 321-long groove;

322-channel; 331-stopper;

4- demoulding device; 41- sliding cylinder;

42-clamping assembly; 411-slide rail;

412-sliding seat; 413-sliding cylinder;

421-bidirectional cylinder; 422-clamp;

5-feeding device; 51-feeding cover plate;

52-lifting cylinder; 53-feeding sealing cover plate;

54-feeding hopper; 55-vacuum feeder;

56-Automatic feeder; 551-Straw;

6-Automatic vibration device; 61-Vibration machine housing;

62-connecting cylinder; 7-capping mechanism;

71-capping cylinder; 72-electric magnetic suction block;

73-upper cover; 8-detection mechanism;

81- detection cylinder; 82- detection rod.

DETAILED DESCRIPTION

The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

As shown in Figures 1 to 4, a three-station isostatic pressing machine includes a frame 10, on which is provided a turntable 1 horizontally arranged and rotatably connected to the frame 10, a driving motor (not shown in the figure) for driving the turntable 1 to rotate, and three discharge parts located on the top of the turntable 1 and evenly arranged around the turntable 1 as the center, and each of the three discharge parts is provided with a mold assembly 2, the mold assembly 2 includes a mold base 21 fixedly arranged on the turntable 1, an inner mold 22 fixedly arranged on the mold base 21, and an outer mold 23 sleeved outside the inner mold 22, and a discharge space is formed between the outer mold 23 and the inner mold 22; the positions above the turntable 1 corresponding to the three discharge parts respectively form a feeding station, a hydraulic molding station and a demolding station, and the turntable 1 rotates with The movable mold assembly 2 moves among the feeding station, the hydraulic forming station and the demoulding station in sequence. The hydraulic forming station is provided with a hydraulic forming device 3, the demoulding station is provided with a demoulding device 4, and the feeding station is provided with a feeding device 5. The bottom of the hydraulic forming device 3 is provided with an opening for the mold assembly 2 to enter. The bottom of the turntable 1 is provided with a jacking base 11 at a position corresponding to the opening of the hydraulic forming device 3. When the mold assembly 2 rotates to the bottom of the hydraulic forming device 3, the top of the jacking base 11 abuts against the bottom of the mold assembly 2. The bottom of the jacking base 11 is provided with a lifting mechanism for sending the jacking base 11 and the mold assembly 2 into the hydraulic forming device 3. The positions of the turntable 1 corresponding to each discharge part are provided with slots 12 for the jacking base 11 to pass through.

The hydraulic forming device 3 includes a high-pressure inner cylinder 31 and a load-bearing outer cylinder 32 sleeved outside the high-pressure inner cylinder 31. The bottom of the load-bearing outer cylinder 32 is provided with an opening for the mold assembly 2 to enter. It should be noted that the high-pressure inner cylinder 31 in the utility model can adopt the high-pressure forming inner cylinder with an inlet at the bottom existing in the field. The load-bearing outer cylinder 32 in the utility model is fixed on the frame 10 through a bracket. The position of the inlet of the high-pressure inner cylinder 31 is higher than the position of the opening at the bottom of the load-bearing outer cylinder 32. The sealing method of the mold assembly 2 and the high-pressure inner cylinder 31 in the utility model is the same as the prior art. In the utility model, sealing is performed through the mold base 21, that is, the size of the mold base 21 and the inlet of the high-pressure inner cylinder 31 are adapted, so that when the mold assembly 2 completely enters the high-pressure inner cylinder 31 from the opening at the bottom of the load-bearing outer cylinder 31, the bottom of the mold base 21 can be aligned with the high-pressure inner The feed port of the cylinder 31 is flush and sealed; the load-bearing outer cylinder 32 in the utility model can be a conventional load-bearing outer cylinder in the field. Unlike the prior art, a long groove 321 connected to the feed port is opened on the side wall of the load-bearing outer cylinder 32, and the long groove 321 is located between the bottom of the load-bearing outer cylinder 32 and the feed port. After the mold assembly 2 completely enters the high-pressure inner cylinder 31, the bottom of the mold base 21 is flush with the top of the long groove 321, and a transversely arranged channel 322 is connected to the long groove 321. The other end 322 of the channel is extended and fixed to the bracket on the frame 1, and the other end of the channel 322 is provided with a push-up cylinder 33, and the output end of the push-up cylinder 33 is arranged in the direction of the channel 322. A stopper 331 that can extend into the long groove 321 is provided at the output end of the push-up cylinder 33, and a retreat groove 111 for the stopper 331 to extend into is opened downward at the top of the jacking base 11;

The lifting mechanism is arranged on the side of the jacking base 11 away from the turntable 1. It should be noted that the lifting mechanism in the utility model can adopt the conventional lifting mechanism existing in the field, as long as the above-mentioned effect can be achieved. Preferably, the lifting mechanism in the utility model adopts a conventional counterweight lifting mechanism 101. Before using the counterweight lifting mechanism 101 to send the jacking base 11 and the mold assembly 2 into the hydraulic molding device 3, a counterweight block of a fixed weight is loaded into the counterweight box (not shown in the figure) on the counterweight lifting mechanism 101; in the utility model, the bottom of the jacking base 11 is fixedly connected to the lifting end of the counterweight lifting mechanism 101 through a connecting plate, and the lifting end of the counterweight lifting mechanism 101 close to the jacking base 11 is provided with a side that abuts against the bottom of the load-bearing outer cylinder 32. The limit block 102 is located below the hydraulic forming device 3. The height of the limit block 102 in the utility model needs to be reasonably set according to actual conditions, so that when the counterweight lifting mechanism 101 drives the jacking base 11 and the mold assembly 2 to rise and enter the hydraulic forming device 3, the limit block 102 abuts against the bottom of the load-bearing outer cylinder 32 when the mold assembly 2 completely enters the high-pressure inner cylinder 31; by setting the counterweight lifting mechanism 101 to drive the jacking base 11 and the mold assembly 2 to rise, the lifting mechanism can maintain balance when working, which can effectively avoid imbalance when the jacking base 11 rises or falls, and can effectively improve the stability of the jacking base 11 when it rises and falls, while reducing the load of the motor, reducing energy consumption, and improving work efficiency.

When working, the counterweight lifting mechanism 101 drives the lifting base 11 and the mold assembly 2 to extend from the bottom into the load-bearing outer cylinder 32, and then enters the high-pressure inner cylinder 31 through the feed port. When the limit block 102 abuts against the bottom of the load-bearing outer cylinder 32, it means that the mold assembly 2 has completely entered the high-pressure inner cylinder 31, and the lifting base 11 stops rising. At this time, the mold base 21 seals the feed port of the high-pressure inner cylinder 31, and then abuts against the output end of the cylinder 33 to extend, driving the stop block 331 to extend into the withdrawal of the lifting base 11. The bottom of the mold assembly 2 is supported in the groove 111, and then the hydraulic molding device 3 starts the pressurization molding work. After the pressurization is completed, the output end of the supporting cylinder 33 is retracted, and the counterweight lifting mechanism 101 drives the lifting base 11 and the mold assembly 2 to descend back to the discharge part; this arrangement allows the mold assembly 2 to be supported and fixed by the block 331 pushed out by the supporting cylinder 33 after entering the hydraulic molding device 3, reducing the load of the counterweight lifting mechanism 101 and improving the stability of the frame 10 when the hydraulic molding device 3 is working.

The feeding device 5 includes a feeding cover plate 51 arranged above the mold assembly 2 and a lifting assembly for driving the feeding cover plate 51 to rise and fall. Specifically, the lifting assembly includes lifting cylinders 52 arranged on both sides of the bottom of the feeding cover plate 51 and brackets for fixing the two lifting cylinders 52 respectively. The two brackets are arranged vertically and fixed on the frame 10. The output end of the lifting cylinder 52 is fixedly connected to the bottom of the feeding cover plate 51. The bottom of the feeding cover plate 51 is provided with a feeding sealing cover plate 53 corresponding to the position of the mold assembly 2 for sealing the top of the outer mold 23. The feeding sealing cover plate 53 is provided with a feeding port that passes through the feeding cover plate 51. The feeding sealing cover plate 53 is also provided with a plurality of feeding channels for connecting the feeding port and the discharge space. Further, a feeding hopper 54 is provided on the top of the feeding cover plate 51, and the outlet of the feeding hopper 54 extends into the feeding port.

The feeding device 5 also includes a vacuum loader 55 that can automatically suck materials and an automatic feeder 56 that can automatically unload materials, which are arranged above the feeding hopper 54. The vacuum loader 55 is arranged above the automatic feeder 56 and is sealed and connected to the automatic feeder 56. The vacuum loader 55 has a straw 551. When in use, the opening of the straw 551 is correspondingly inserted into the material bag to be processed, so as to realize automatic suction and store the sucked material in the vacuum loader 55. The discharge port of the vacuum loader 55 is sealed and connected to the feed port of the automatic feeder 56. The discharge port of the automatic feeder 56 is sealed and connected to the feed port of the feeding sealing cover plate 53. The vacuum loader 55 in the utility model can adopt the existing vacuum loader that can be purchased in the art, and the automatic feeder 56 in the utility model can adopt the existing twin-screw feeder or single-screw feeder in the art. As long as quantitative automatic feeding can be realized, the specific structure will not be described in detail here.

During operation, the vacuum feeder 55 sucks the material to be processed into the vacuum feeder 55, and conveys the material to the automatic feeder 56. When it is necessary to feed the material into the mold assembly 2, the turntable 1 drives the mold assembly 2 to rotate to the bottom of the feed cover plate 51, and the lifting cylinder 52 controls the feed cover plate 51 to descend, so that the feed sealing cover plate 53 is sealed with the top of the inner and outer molds 23 of the mold assembly 2 to prevent leakage. The automatic feeder 56 conveys the quantitative material required for molding through the feed hopper 54 and the feed port of the feed sealing cover plate 53 to the discharge space of the mold assembly 2. After the feeding is completed, the lifting cylinder 52 controls the feed cover plate 51 to rise; preferably, an automatic vibrating device for compacting the material in the discharge space is also provided below the feeding device 5. The automatic vibration compaction device 6 is arranged at the bottom of the turntable 1. The automatic vibration compaction device 6 includes a vibration machine housing 61 and a vibration machine (not shown in the figure) arranged in the vibration machine housing 61. The top of the vibration machine housing 61 is provided with a vertically arranged connecting cylinder 62, and the output end of the connecting cylinder 62 is arranged upward; when it is necessary to feed materials into the mold assembly 2, the automatic feeder 56 feeds materials into the discharge space, and the output end of the connecting cylinder 62 extends upward to contact the mold base 21, and the vibration machine is started. The vibration effect of the vibration machine is transmitted to the mold assembly 2 by the connecting cylinder 62, so as to achieve the effect of vibrating the material in the discharge space; compared with the prior art, the steps of manual pressing or shaking of materials are omitted, and work efficiency is improved.

The demoulding device 4 includes a vertically arranged sliding component 41 and a clamping component 42 arranged on the sliding component 41. The sliding component 41 includes a vertically arranged slide rail 411 and a slide seat 412 that can slide on the slide rail 411, and a sliding cylinder 413 arranged on the top of the slide rail 411 for driving the slide seat 412 to slide. The clamping component 42 is fixedly arranged on the slide seat 412. The clamping component 42 includes a bidirectional cylinder 421 that is laterally arranged on the slide seat 412. It should be noted that the bidirectional cylinder 421 in this embodiment is a conventional bidirectional cylinder (or a biaxial cylinder) with output shafts at both ends. The output ends on both sides of the bidirectional cylinder 421 are connected to a clamping plate 422 for clamping the outer mold 23. Correspondingly, the end of the clamping plate 422 away from the bidirectional cylinder 421 is an arc shape that matches the contour of the outer mold 23. Preferably, The clamping assembly 42 in the present invention is provided with two groups, that is, two slide seats 412 are provided on the slide rail 411, and the two slide seats 412 are provided with a clamping assembly 42. The distance between the two groups of clamping assemblies 42 is less than or equal to the height of the outer mold 23. The two groups of clamping assemblies 42 can make the force more uniform during clamping and the clamping more stable. The sliding cylinder 413 in the present invention drives the slide seat 412 to slide through the screw motor, that is, the sliding cylinder 413 is a screw cylinder, the screw of the screw cylinder is set downward, and the slide seat 412 is fixedly set on the screw of the screw cylinder so that the sliding cylinder 413 can drive the slide seat 412 to slide on the slide rail 411. It should be noted that the driving method between the sliding cylinder 413 and the slide seat 412 in the present invention can also be replaced by other conventional methods in the field, as long as the above-mentioned effect can be achieved;

The working principle of the demoulding device 4 is as follows: when not working, the two clamping assemblies 42 are both located above the slide rail 411. After the material in the mold assembly 2 is pressurized and formed into a blank by the hydraulic forming device 3, the counterweight lifting mechanism 101 drives the lifting base 11 and the mold assembly 2 to descend and reposition on the corresponding discharge part. The turntable 1 drives the molded mold assembly 2 to rotate to the position of the demoulding device 4. The sliding cylinder 413 controls the two slide seats 412 to move downward to the position of the outer mold 23. Stop, the two-way cylinder 421 controls the clamp 422 to clamp the outer mold 23 and lifts the outer mold 23 away from the inner mold 22 through the sliding cylinder 413, and the operator takes the formed blank out of the inner mold 22. After taking it out, the sliding cylinder 413 lowers the outer mold 23 and re-sets it on the inner mold 22. Then the two-way cylinder 421 controls the clamp 422 to release the outer mold 23, and the sliding cylinder 413 raises the clamping assembly 42 back to the top of the slide rail 411 to wait for the next demolding.

Further, a capping mechanism 7 for sealing the top of the mold assembly 2 and a detection mechanism 8 for detecting whether the material in the mold assembly 2 is completely filled are also provided on one side of the hydraulic molding device 3. The capping mechanism 7 and the detection mechanism 8 are both arranged on the rotation path of the mold assembly 2. The capping mechanism 7 includes a capping cylinder 71 vertically fixedly arranged above the turntable 1, the output end of the capping cylinder 71 is arranged downward, an electric magnetic block 72 is fixedly arranged at the output end of the capping cylinder 71, and an upper cover 73 for sealing the mold assembly 2 is arranged at the bottom of the electric magnetic block 72. The detection mechanism 8 includes a detection cylinder 81 vertically fixedly arranged above the turntable 1, the output end of the detection cylinder 81 is arranged downward, and a detection rod 82 is fixedly arranged at the output end of the detection cylinder 81;

When the automatic feeder 56 has completed feeding the material into the discharge space of the mold assembly 2, the turntable 1 drives the mold assembly 2 that has completed feeding to rotate to the bottom of the detection mechanism 8, and the detection cylinder 81 controls the detection rod 82 to extend from the top of the mold assembly 2 into the discharge space for detection to determine whether the height of the detection material has reached a preset value (i.e., whether the material is fully filled. The detection method is conventional, such as by providing a stroke sensing device on the detection cylinder 81 or providing a distance sensor at the bottom of the detection rod 82. As long as the above-mentioned effect can be achieved, this embodiment is not limited here). After the detection is completed, the detection rod 82 retracts, and the turntable 1 continues to rotate. When the mold assembly 2 is formed, the turntable 1 drives the formed mold assembly 2 to rotate to the position of the capping mechanism 7, and the output end of the capping cylinder 71 extends downward to the top of the upper cover 73, and the electric magnetic block 72 is powered on to make it absorb the upper cover 73, and then the output end of the capping cylinder 71 drives the upper cover 73 to retract and wait for the next capping operation.

The utility model also includes a control mechanism, and the driving motor, the counterweight lifting mechanism 101, the hydraulic forming device 3, the top cylinder 33, the lifting cylinder 52, the vacuum loader 55, the automatic feeder 56, the vibrator, the connecting cylinder 62, the sliding cylinder 413, the two-way cylinder 421, the capping cylinder 71 and the detection cylinder 81 are all connected to the control mechanism. The control connection method in the utility model can adopt the conventional control method in the field, such as PLC control. It should be noted that the cylinder mentioned in the utility model can also be replaced by an oil cylinder according to actual use needs.

The working principle of the molding machine of the utility model is:

The control mechanism controls the driving motor to drive the turntable 1 to drive the mold assembly 2 on one of the discharge parts to rotate to the feeding device 5. The control mechanism controls the lifting cylinder 52 to drive the feeding cover plate 51 to descend, so that the feeding sealing cover plate 53 is sealed with the top of the mold assembly 2. The control mechanism controls the automatic feeder 56 to convey the quantitative material required for molding through the feeding port of the feeding sealing cover plate 53 to the discharge space of the mold assembly 2. The control mechanism controls the output end of the connecting cylinder 62 to extend upward to contact the mold base 21, and starts the vibrator to vibrate the material in the discharge space. After the feeding is completed, the lifting cylinder 52 drives the feeding cover plate 51 to rise, and the feeding is finished. The turntable 1 drives the mold assembly 2 after the feeding is completed to rotate to the bottom of the detection mechanism 8. The detection cylinder 81 controls the detection rod 82 to extend to the top of the discharge space. After the detection rod 82 detects the material at the top of the discharge space, it retracts and sends a signal to the control mechanism. The control mechanism controls the turntable 1 to rotate to the bottom of the capping mechanism 7. The output end of the capping cylinder 71 extends downward to cover the upper cover 73 on the top of the mold assembly 2 and seal it (if the detection rod 82 does not detect that there is material at the top of the discharge space, it is a The material is not filled, and a signal is sent to the control mechanism at this time. The control mechanism stops the subsequent action and issues an alarm to remind the operator to check), and after the mold assembly 2 is sealed, the electric magnetic block 72 is powered off, and the output end of the capping cylinder 71 is retracted to complete the capping operation; the control mechanism controls the turntable 1 to drive the mold assembly 2 after capping to rotate to the bottom of the hydraulic forming device 3, and the control mechanism controls the counterweight lifting mechanism 101 to rise and drive the jacking base 11 and the mold assembly 2 to extend into the opening of the load-bearing outer cylinder 32. After the mold assembly 2 enters the load-bearing outer cylinder 32 from the opening, it passes through The feed port enters the high-pressure inner cylinder 31. When the mold assembly 2 completely enters the high-pressure inner cylinder 31, the lifting base 11 stops rising. At this time, the mold base 21 seals the feed port of the high-pressure inner cylinder 31. Then the control mechanism controls the output end of the abutting cylinder 33 to extend, driving the stopper 331 to extend into the retreat groove 111 of the lifting base 11 to abut the mold assembly 2. Then the hydraulic molding device 3 starts to work. At this time, the mold assembly 2 on the other discharge part is located at the bottom of the feeding device 5. The control mechanism controls the feeding device 5 to perform the above-mentioned feeding work on the mold assembly 2 at its bottom.

After the hydraulic molding device 3 has finished working, the other mold assembly 2 has also completed feeding. The control mechanism controls the counterweight lifting mechanism 101 to descend and drive the jacking base 11 and the mold assembly 2 to descend back to the corresponding discharge part. The turntable 1 drives the mold assembly 2 after molding to rotate to the position of the capping mechanism 7. The output end of the capping cylinder 71 extends downward to the top of the upper cover 73. The control mechanism energizes the electric magnetic suction block 72 to make it suck the upper cover 73. Then the output end of the capping cylinder 71 drives the upper cover 73 to retract and wait for the next capping operation. After that, the turntable 1 drives another mold assembly 2 after feeding to rotate to the bottom of the detection mechanism 8 and repeats the above detection and capping operations.

Afterwards, the turntable 1 drives the molded mold assembly 2 to rotate to the demolding device 4 to perform the above-mentioned demolding work. At this time, the mold assembly 2 that has just been sealed is located at the bottom of the hydraulic forming device 3, and the remaining mold assembly 2 is located at the bottom of the feeding device 5. While the mold assembly 2 is demolding, the control mechanism controls the sealed mold assembly 2 to be sent to the hydraulic forming device 3, and the control mechanism controls the feeding device 5 to perform the above-mentioned feeding work on the mold assembly 2 at its bottom; when the hydraulic forming device 3 is completed, the other two mold assemblies 2 also complete the demolding and feeding work, and then the control mechanism controls each mechanism to perform the above-mentioned operations repeatedly in an orderly manner, and so on.

The isostatic pressing machine of the utility model can realize automatic feeding and automatic demoulding by arranging three discharge parts on the turntable 1, and respectively arranging hydraulic forming devices 3, demoulding devices 4 and feeding devices 5 at positions above the turntable 1 corresponding to the three discharge parts, and the mold assembly 2 can also automatically demould and automatically feed the mold assembly 2 on other discharge parts when entering the hydraulic forming device 3 for molding, so as to achieve high automation and high work efficiency; and a detection mechanism 8, a capping mechanism 7 and an automatic vibration device 6 are arranged, so as to further improve the automation and reduce the labor intensity of the staff.

Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. A three-station isostatic pressing machine, comprising a frame, characterized in that the frame is provided with a turntable horizontally arranged and rotatably connected to the frame, a driving motor for driving the turntable to rotate, and three discharge parts located on the top of the turntable and evenly arranged around the turntable as the center, each of the three discharge parts is provided with a mold assembly, and the mold assembly has a discharge space, and the positions above the turntable corresponding to the three discharge parts are respectively provided with a hydraulic forming device, a demoulding device and a feeding device, and the rotation of the turntable drives the mold assembly to move between the feeding device, the hydraulic forming device and the demoulding device in sequence, the bottom of the hydraulic forming device is provided with an opening for the mold assembly to enter, the bottom of the mold assembly is sealed and connected with the opening of the bottom of the hydraulic forming device, and the bottom of the turntable is provided with a lifting mechanism for sending the mold assembly into the hydraulic forming device at the position corresponding to the hydraulic forming device, and the frame is also provided with a control mechanism for controlling the driving motor, the lifting mechanism, the feeding device and the demoulding device to cooperate and link; The feeding device comprises a feed cover plate which is escalable and arranged above the mold assembly, and an automatic feeder which is arranged above the feed cover plate, the bottom of the feed cover plate is sealedly connected to the top of the mold assembly, a feeding port which is connected to the discharge space is provided in the middle of the feed cover plate, and the discharge port of the automatic feeder is sealedly connected to the feeding port of the feed cover plate; The demoulding device is used to remove the outer shell of the mold assembly. The demoulding device includes a vertically arranged sliding assembly and a clamping assembly fixedly arranged on the sliding assembly for clamping the mold assembly. 2. A three-station isostatic pressing machine according to claim 1, characterized in that a covering mechanism for sealing the top of the mold assembly is also provided on one side of the hydraulic forming device, the covering mechanism is arranged above the turntable and located on the rotation path of the mold assembly, and an upper cover for sealing the mold assembly is provided at the bottom of the covering mechanism. 3. A three-station isostatic pressing machine according to claim 1, characterized in that a detection mechanism for detecting whether the material in the mold assembly is fully filled is also provided on one side of the hydraulic forming device, and the detection mechanism is arranged above the turntable and located on the rotation path of the mold assembly. 4. A three-station isostatic pressing machine according to claim 1, characterized in that the hydraulic forming device comprises a high-pressure inner cylinder and a load-bearing outer cylinder sleeved outside the high-pressure inner cylinder, the bottom of the high-pressure inner cylinder has an inlet, the load-bearing outer cylinder is fixedly arranged above the frame, the inlet of the high-pressure inner cylinder is higher than the bottom of the load-bearing outer cylinder, a long groove connected to the inlet is opened on the side wall of the load-bearing outer cylinder, the long groove is located between the bottom of the load-bearing outer cylinder and the inlet, and when the mold assembly is located in the high-pressure inner cylinder, the bottom of the mold assembly The top of the hydraulic forming device is flush with the top of the long groove, the long groove is connected to a transversely arranged channel, the other end of the channel is provided with a push cylinder, the output end of the push cylinder is arranged in the direction of the channel, the output end of the push cylinder is provided with a block that can extend into the long groove, the bottom of the hydraulic forming device is also provided with a jacking base, the jacking base is arranged between the mold assembly and the lifting mechanism, the top of the jacking base is downwardly provided with a retreat groove for the block to extend into, and slots for the jacking base to pass through are provided at the positions of the turntable corresponding to each of the discharge parts. 5. A three-station isostatic pressing machine according to claim 4, characterized in that the lifting mechanism is a counterweight lifting mechanism, which is arranged on the side of the jacking base away from the turntable, the bottom of the jacking base is fixedly connected to the counterweight lifting mechanism, and a limit block is provided on the side of the counterweight lifting mechanism close to the jacking base, and the limit block is located at the bottom of the load-bearing outer cylinder. When the limit block abuts against the bottom of the load-bearing outer cylinder, the mold assembly completely enters the high-pressure inner cylinder. 6. A three-station isostatic pressing machine according to claim 1, characterized in that a feed sealing cover plate for sealing the top of the mold assembly is provided at the bottom of the feed cover plate corresponding to the position of the mold assembly, the feed port passes through the feed cover plate and the feed sealing cover plate, a feed hopper is also provided on the top of the feed cover plate, the outlet of the feed hopper extends into the feed port, a vacuum loader is also provided above the automatic feeder, the vacuum loader is sealed and connected to the automatic feeder, and the vacuum loader has a suction pipe for sucking materials. 7. A three-station isostatic pressing machine according to claim 1, characterized in that an automatic compacting device for compacting the material in the discharge space is also provided below the feeding device, the automatic compacting device is arranged at the bottom of the turntable, the automatic compacting device includes a vibrating machine housing and a vibrator arranged in the vibrating machine housing, a vertically arranged connecting cylinder is provided on the top of the vibrating machine housing, and the output end of the connecting cylinder is arranged upward. 8. A three-station isostatic pressing machine according to claim 1, characterized in that the mold assembly includes a mold base arranged on the turntable, an inner mold fixedly arranged on the mold base, and an outer mold sleeved outside the inner mold, and the discharge space is formed between the outer mold and the inner mold. 9. A three-station isostatic pressing machine according to claim 8, characterized in that the sliding assembly includes a vertically arranged slide rail and a slide seat that can slide on the slide rail, and a sliding cylinder arranged on the top of the slide rail for driving the slide seat to slide, the clamping assembly is fixedly arranged on the slide seat, and the clamping assembly includes a bidirectional cylinder laterally arranged on the slide seat, the output ends on both sides of the bidirectional cylinder are connected to a clamping plate for clamping the outer mold, and the end of the clamping plate away from the bidirectional cylinder is arc-shaped. 10. A three-station isostatic pressing machine according to claim 9, characterized in that the clamping components are provided with two groups, two slide seats are respectively provided at positions on the slide rail corresponding to the two groups of the clamping components, and the distance between the two groups of the clamping components is less than or equal to the height of the outer mold.