A powder material granule forming press

Abstract

The utility model discloses a powder material particle forming press, which relates to the technical field of tablet forming. The powder material particle forming press comprises a bottom moving component, a middle fixed component, a top moving component and a mold component; the bottom moving component comprises a horizontally placed press base and a guide shaft symmetrically fixed on the press base, a hydraulic cylinder is fixed on the press base, and a moving plate is fixedly connected to the top of the hydraulic cylinder, and one end of the hydraulic cylinder is connected to a hydraulic oil pipe; in the utility model, hydraulic oil in a hydraulic pump is fed into the inner side of the hydraulic cylinder, and the hydraulic cylinder pushes the moving plate to move, so that the tablet pressing mold extrude and mold the powder material, thereby reducing the use requirements of the device, providing a strong pressure for extrusion molding in the absence of power supply, and can extrude and mold multiple tablet particles at the same time; and the mold is clamped on the bracket component, and can be replaced without the aid of tools, which is conducive to cleaning and reuse.

Description

Technical Field

[0001] The utility model specifically relates to the technical field of tablet forming, in particular to a powder material particle forming press. Background Art

[0002] Small tablet press can press powdery and granular raw materials into tablets. It is widely used in laboratory trials and small batch production in pharmaceutical factories, chemical plants and scientific research institutions. It is generally extruded through upper and lower dies.

[0003] However, in practice, existing small tablet presses are generally driven by motors and can only extrude one tablet particle at a time, and can only be used in situations where power supply is required;

[0004] Although some manual tablet presses do not require power supply and can perform compression molding only by relying on threaded fit, the pressure during manual operation is relatively low, and the compressed tablets are easily damaged by bumps and bumps. In addition, the structure is complex, and the molds for making tablets are generally fixed by bolts. Special tools are required for disassembly, and the disassembly time is relatively long. Utility Model Content

[0005] The utility model aims to provide a powder material particle forming press, wherein the hydraulic oil in the hydraulic pump is sent into the inner side of the hydraulic cylinder through the hydraulic oil pipe, and the hydraulic cylinder pushes the movable plate to move, so that the tablet pressing mold extrude and form the powder material; a strong pressure is provided when tablets are formed without the need for power supply, and multiple tablets can be extruded and formed at one time, and the mold is clamped on the bracket assembly, and the mold can be replaced without the aid of tools, the mold pollution can be cleaned ultrasonically, and tablets of different sizes can be processed.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A powder material particle forming press comprises a bottom moving component, a middle fixed component, a top moving component and a die component;

[0008] The bottom motion assembly includes a horizontally placed press base and a guide shaft symmetrically fixed on the press base, a hydraulic cylinder is fixed on the press base, and a moving plate is fixedly connected to the top of the hydraulic cylinder, one end of the hydraulic cylinder is connected to a hydraulic oil pipe, and the other end of the hydraulic oil pipe is connected to a hydraulic pump;

[0009] The middle fixing assembly includes a middle fixing plate, the middle fixing plate includes a fixed transverse plate and a sliding plate, and symmetrical springs are arranged between the fixed transverse plate and the sliding plate;

[0010] The top motion assembly is used for the top support plate supported by the top assembly, and the top support plate is provided with a manual adjustment assembly, which includes an internal thread seat that is easy to disassemble, the internal thread seat is matched with a trapezoidal thread lead screw, and the lower part of the trapezoidal thread lead screw is matched with the sliding plate through a bearing, and a hand wheel is fixed to the end of the trapezoidal thread lead screw;

[0011] The mold assembly comprises an upper mold, a fixing seat and a lower mold, and the upper mold and the lower mold are respectively composed of a mold seat, a mold ejector rod and a fixing sleeve.

[0012] As a further technical solution of the utility model, the mold ejector rod provided on the upper mold is shorter than the mold ejector rod provided on the lower mold, a plurality of mold ejector rods are provided, and the mold ejector rods are integrally fixed to the end of the mold base in a circular array.

[0013] As a further technical solution of the utility model, the fixed seat is fixed in the fixed horizontal plate, the upper mold and the lower mold are respectively connected to the sliding plate and the movable plate, a molding cavity hole is opened on the inner side of the fixed seat, and the molding cavity hole is arranged correspondingly to the mold ejector rod.

[0014] As a further technical solution of the utility model, the guide shaft passes through the top support plate, sliding plate, spring, fixed horizontal plate and movable plate from top to bottom in sequence, the top support plate and the fixed horizontal plate are fixedly connected to the guide shaft by fasteners respectively, and the sliding plate, spring and movable plate are slidably connected to the guide shaft respectively.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model has a mold ejector on the upper mold pressed into the molding cavity hole inside the fixed seat to seal the inner side of the molding cavity hole, and a mold ejector on the lower mold moves upward to extrude the powder material in the molding cavity hole. The utility model has a simple structure, and the mold can be replaced according to the size of the tablet, so as to process tablets of different sizes.

[0017] In the utility model, the number of mold ejector pins on the upper mold, the number of mold ejector pins on the lower mold, and the number of forming cavity holes on the fixed seat can be designed according to demand, thereby realizing one-time forming processing of multiple tablets;

[0018] The utility model makes the tablet pressing die more stable when pressing tablets through the cooperation of the guide shaft, the top support plate, the middle fixed plate and the movable plate, and prevents the die from being damaged due to deviation after being stressed.

[0019] The utility model uses a handle pressure rod to drive a manual valve to move, and the hydraulic oil in the hydraulic pump is sent into the inner side of the hydraulic cylinder through the hydraulic oil pipe. The output rod of the hydraulic cylinder pushes the lower mold to move upward through the moving plate, and the powder material is extruded through the hydraulic system. It can be used in occasions without power supply, and the operation is simple and the pressure is strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model in use state.

[0021] Figure 2 This utility model Figure 1 Schematic diagram of the rear structure.

[0022] Figure 3 This utility model Figure 1 main view.

[0023] Figure 4 This utility model Figure 1 Schematic diagram of the bottom structure.

[0024] Figure 5 It is an enlarged schematic diagram of the manual adjustment component and the tablet pressing mold in the utility model.

[0025] In the figure:

[0026] Hydraulic pump-1, hydraulic oil pipe-2, press base-3, guide shaft-4, top support plate-5, middle fixed plate-6, fixed cross plate-61, spring-62, sliding plate-63, movable plate-7, manual adjustment assembly-8, internal thread seat-81, trapezoidal thread lead screw-82, handwheel-83, hydraulic cylinder-9, mold assembly-10, upper mold-101, fixed seat-102, lower mold-103, mold push rod-1010, fixed sleeve-1011. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-5 , the embodiment of the utility model provides a powder material particle forming press, including a bottom moving component, a middle fixed component, a top moving component and a mold component 10;

[0029] The bottom motion assembly includes a horizontally placed press base 3 and a guide shaft 4 symmetrically fixed on the press base 3, a hydraulic cylinder 9 is fixed on the press base 3, and a moving plate 7 is fixedly connected to the top of the hydraulic cylinder 9, one end of the hydraulic cylinder 9 is connected to a hydraulic oil pipe 2, and the other end of the hydraulic oil pipe 2 is connected to a hydraulic pump 1;

[0030] The middle fixing assembly includes a middle fixing plate 6, wherein the middle fixing plate 6 includes a fixed transverse plate 61 and a sliding plate 63, and a symmetrical spring 62 is arranged between the fixed transverse plate 61 and the sliding plate 63;

[0031] The top motion assembly is used for the top support plate 5 supported by the top assembly. The top support plate 5 is provided with a manual adjustment assembly 8. The manual adjustment assembly 8 includes an internal thread seat 81 that is easy to disassemble. The internal thread seat 81 is matched and connected with a trapezoidal thread lead screw 82. The lower part of the trapezoidal thread lead screw 82 is matched and connected with the sliding plate 63 through a bearing. The end of the trapezoidal thread lead screw 82 is fixed with a hand wheel 83.

[0032] The mold assembly 10 comprises an upper mold 101 , a fixing base 102 and a lower mold 103 , and the upper mold 101 and the lower mold 103 are respectively composed of a mold base, a mold ejector pin 1010 and a fixing sleeve 1011 .

[0033] In this embodiment, the fixed seat 102 is fixed in the fixed horizontal plate 61, the upper mold 101 and the lower mold 103 are respectively connected to the sliding plate 63 and the movable plate 7, and a molding cavity hole is opened on the inner side of the fixed seat 102, and the molding cavity hole is arranged corresponding to the mold ejector rod.

[0034] In this embodiment, the guide shaft 4 passes through the top support plate 5, the sliding plate 63, the spring 62, the fixed cross plate 61 and the movable plate 7 from top to bottom in sequence. The top support plate 5 and the fixed cross plate 61 are fixedly connected to the guide shaft 4 by fasteners respectively, and the sliding plate 63, the spring 62 and the movable plate 7 are slidingly connected to the guide shaft 4 respectively.

[0035] By adopting the above technical solution, the hydraulic oil in the hydraulic pump 1 is sent to the inner side of the hydraulic cylinder 9 through the hydraulic oil pipe 2, so that the hydraulic cylinder 9 pushes the lower mold 103 to move upward through the movable plate 7, and the mold push rod on the upper mold 101 and the mold push rod on the lower mold 103 are squeezed to squeeze the powder material in the inner molding cavity of the fixed seat 102; the upper mold 101, the fixed seat 102 and the lower mold 103 can be disassembled, so that different sizes of molds can be replaced according to needs, thereby producing tablets of different sizes; and the device is small in size, simple to operate, and easy to maintain.

[0036] In this embodiment, the bottom thread of the press base 3 is matched with an adjustable support foot arranged in an inverted T shape. The tilt angle of the device can be adjusted through the threaded match, and an anti-slip pad is pasted on the bottom of the adjustable support foot.

[0037] In this embodiment, the internal thread seat 81 is fixed on the top support plate 5 , and the lower part of the internal thread seat 81 extends to the bottom of the top support plate 5 .

[0038] In this embodiment, the die base ends of the upper die 101 and the lower die 103 are respectively provided with annular grooves to facilitate the disassembly and replacement of the upper die 101 and the lower die 103. The outer sides of the die push rods of the upper die 101 and the lower die 103 are interference fit with fixed sleeves.

[0039] In this embodiment, the hydraulic pump 1 is provided with an oil filling hole to replenish or replace the internal hydraulic oil; a pressure gauge is provided at the end of the hydraulic pump 1 to detect the hydraulic oil pressure inside the hydraulic cylinder 9; the hydraulic pump 1 is also provided with a manual valve, and the manual valve is provided with a handle pressure rod, and the handle pressure rod is rotated up and down to discharge the hydraulic oil inside the hydraulic pump 1 through the manual valve; a locking and air release knob is also installed on the side of the hydraulic pump 1 to release the pressure inside the hydraulic oil and return the hydraulic oil to the oil tank for storage.

[0040] The working principle of the utility model is as follows: when in use, firstly, the powder material is evenly placed into the forming cavity hole inside the fixed seat 102, and then the handgrip 83 is used to rotate the trapezoidal threaded screw 82, and the threaded fit between the trapezoidal threaded screw 82 and the internal threaded seat 81 is used to push the sliding plate 63 downward, and the sliding plate 63 drives the upper mold 101 to move, until the mold ejector 1010 on the upper mold 101 is pressed into the forming cavity hole inside the fixed seat 102, and the inner side of the forming cavity hole is sealed, and the manual valve is driven by the handle pressure rod to send the hydraulic oil in the hydraulic pump 1 into the inner side of the hydraulic cylinder 9 through the hydraulic oil pipe 2, and the hydraulic The output rod of the cylinder 9 pushes the lower mold 103 upward through the movable plate 7, continues to apply pressure to the powder material inside the molding cavity, and observes the pressure through the pressure gauge. After reaching the pressure required for extrusion and maintaining the pressure for a given time, the locking and air release knob on the hydraulic pump 1 is opened to release the pressure on the inside of the hydraulic pump 1; then the hand wheel 83 is rotated in the opposite direction to move the upper mold 101 upward, and the mold push rod 1010 on the upper mold 101 is separated from the inside of the molding cavity, and then the handle pressure rod on the hydraulic pump 1 is pressed, and the mold push rod 1010 on the lower mold 103 pushes the formed tablet out of the molding cavity to complete the discharge.

[0041] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0042] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A powder material granule forming press, characterized in that: It includes a bottom moving component, a middle fixed component, a top moving component and a mold component (10); The bottom movement assembly comprises a horizontally placed press base (3) and a guide shaft (4) symmetrically fixed on the press base (3); a hydraulic cylinder (9) is fixed on the press base (3), and a moving plate (7) is fixedly connected to the top of the hydraulic cylinder (9); one end of the hydraulic cylinder (9) is connected to a hydraulic oil pipe (2), and the other end of the hydraulic oil pipe (2) is connected to a hydraulic pump (1); The middle fixing assembly comprises a middle fixing plate (6), wherein the middle fixing plate (6) comprises a fixing transverse plate (61) and a sliding plate (63), and symmetrical springs (62) are arranged between the fixing transverse plate (61) and the sliding plate (63); The top motion assembly is used for a top support plate (5) supported by the top assembly, the top support plate (5) is provided with a manual adjustment assembly (8), the manual adjustment assembly (8) comprises an internal thread seat (81) which is easy to disassemble, the internal thread seat (81) is cooperatively connected with a trapezoidal thread lead screw (82), and the lower part of the trapezoidal thread lead screw (82) is cooperatively connected with the sliding plate (63) via a bearing, and a hand wheel (83) is fixed to the end of the trapezoidal thread lead screw (82); The mold assembly (10) comprises an upper mold (101), a fixing base (102) and a lower mold (103), and the upper mold (101) and the lower mold (103) are respectively composed of a mold base, a mold ejector pin (1010) and a fixing sleeve (1011).

2. The powder material particle forming press according to claim 1, characterized in that: The mold push rod (1010) provided on the upper mold (101) is shorter than the mold push rod (1010) provided on the lower mold (103), a plurality of mold push rods (1010) are provided, and the mold push rods (1010) are fixed integrally to the end of the mold base in a ring array.

3. The powder material particle forming press according to claim 1, characterized in that: The fixed seat (102) is fixed in the fixed horizontal plate (61), the upper mold (101) and the lower mold (103) are connected to the sliding plate (63) and the movable plate (7) respectively, and a molding cavity hole is opened on the inner side of the fixed seat (102), and the molding cavity hole is arranged correspondingly to the mold ejector rod (1010).

4. The powder material particle forming press according to claim 1, characterized in that: The guide shaft (4) passes through the top support plate (5), the sliding plate (63), the spring (62), the fixed transverse plate (61) and the movable plate (7) in sequence from top to bottom; the top support plate (5) and the fixed transverse plate (61) are respectively fixedly connected to the guide shaft (4) via fasteners; and the sliding plate (63), the spring (62) and the movable plate (7) are respectively slidably connected to the guide shaft (4).

Images