Feeding device of tablet press

Abstract

The utility model provides a feeding device of a tablet press, which comprises a rack and a tablet press body, a material collecting frame is mounted on the rack, a feeding area is formed between the material collecting frame and the tablet press body, the feeding device further comprises a feeding hopper and a discharging assembly, and the feeding hopper is mounted on the rack; the discharging assembly comprises a discharging pipe, an elastic connecting part and a vibration motor, a mounting groove is formed in a discharging port of the feeding hopper, the elastic connecting part is connected with the mounting groove, the discharging pipe is connected with the feeding hopper through the elastic connecting part, and the vibration motor is mounted on the discharging pipe; the discharging pipe is obliquely arranged, and the end, away from the feeding hopper, of the discharging pipe extends into the feeding area. The feeding hopper can solve the problems that in the prior art, a conical feeding hopper of an integrated structure is long in size and poor in mobility, or materials with certain viscosity are prone to being attached to the inner wall of a discharging hopper or detained and blocked in the hopper in the feeding process.

Description

Technical Field

[0001] The utility model relates to the technical field of tablet pressing devices, in particular to a feeding device for a tablet pressing machine. Background Art

[0002] The rotary tablet press is mainly used for tablet production in the pharmaceutical industry. It can press granular or powdered raw materials into various tablets. The mechanical structure of the rotary tablet press is simple, and the outer cover is fully enclosed. The structural features are as follows: Generally, the upper half of the machine is a tablet pressing structure: it is mainly composed of an upper punch, a middle die, and a lower punch connected together. Several auxiliary punches are evenly arranged on the edge of the turntable, and the tails of the upper and lower punches are embedded in a fixed curved guide rail. When the turntable rotates, the upper and lower punches move up and down with the curved guide rail to achieve the purpose of tablet pressing; before the tablet press is operated, the material is added to the conical hopper of the tablet press through a vacuum or lifting feeder, and then the material flows into the feeding cavity of the feeder under the action of its own gravity, and is forcibly pushed into the cavity of the middle die through the feeding impeller of the feeder to complete the material filling process.

[0003] The existing conical hopper of the tablet press is an eccentric conical integrated structure, which is formed by bending and welding of stainless steel plates; for example, the utility model with publication number CN202322107849.6 discloses a method for adjusting a rotary tablet press (hereinafter referred to as: prior art 1) comprising a locking block, a mounting seat is provided at the lower end of the locking block, a cleaning device is provided on one side of the mounting seat, a pressure plate device is provided at the lower end of the cleaning device, a motor is provided on one side of the pressure plate device, a workbench is provided at the lower end of the motor, a collecting device is provided at the lower end of the workbench, a base is provided on one side of the collecting device, a processing plate is provided at the upper end of the pressure plate device, a feeding pipe is provided at the upper end of the processing plate, a feeding hopper is provided at the upper end of the feeding pipe, and a rotating drum is provided on one side of the feeding hopper.

[0004] Although the conical feed hopper provided in the prior art 1 can add materials into the middle mold cavity of the tablet press, the conical feed hopper of the integrated structure in the prior art 1 is relatively long in size, and materials with poor fluidity or certain viscosity are easy to adhere to the inner wall of the lower hopper or be retained and blocked in the hopper during the feeding process, thereby causing unstable feeding and affecting the discharge quality. Utility Model Content

[0005] The purpose of the utility model is to provide a feeding device, specifically a feeding device for a tablet press, which, in actual use, can solve the problem in the prior art that the conical feed hopper of the integrated structure is relatively long in size, and the material with poor fluidity or certain viscosity is easy to adhere to the inner wall of the lower hopper or be retained and blocked in the hopper during the feeding process, thereby causing unstable feeding and affecting the discharge quality.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A feeding device for a tablet press comprises a frame and a tablet press body, wherein a material collecting frame is mounted on the frame, a feeding area is formed between the material collecting frame and the tablet press body, and further comprises a feeding hopper and a feeding assembly, wherein the feeding hopper is mounted on the frame;

[0008] The feeding assembly comprises a feeding pipe, an elastic connecting part and a vibration motor. A mounting groove is provided at the discharge port of the feeding hopper. The elastic connecting part is connected to the mounting groove. The feeding pipe is connected to the feeding hopper through the elastic connecting part. The vibration motor is installed on the feeding pipe.

[0009] The feed pipe is arranged obliquely, and one end of the feed pipe away from the feeding hopper extends into the feeding area.

[0010] Preferably, a first heating plate is installed in the feeding hopper.

[0011] Preferably, a telescopic device is installed on the frame, and a stirring device is connected to the telescopic end of the telescopic device.

[0012] Preferably, the stirring device includes a cover body, a stirring rod and a driving motor, the cover body is connected to the telescopic end of the telescopic device, the stirring rod is rotatably mounted on the cover body, the driving motor is mounted on the cover body and is used to drive the stirring rod to rotate, and the stirring rod is connected to a stirring blade.

[0013] Preferably, a second heating plate is installed on the stirring blade.

[0014] Preferably, a sealing ring is installed at the bottom end of the cover body for sealing the gap between the cover body and the feeding hopper.

[0015] Preferably, the stirring blade is provided with a through hole.

[0016] Preferably, the elastic connecting portion is connected to a material guiding portion.

[0017] Preferably, the feeding hopper is connected with a connecting rope, and one end of the connecting rope away from the feeding hopper is connected to the feeding pipe.

[0018] Preferably, the elastic connecting portion is provided with anti-slip grooves.

[0019] Compared with the prior art, the utility model has the following beneficial effects:

[0020] In the utility model, the feed tube can be flexibly connected to the feeding hopper through the elastic connection part; when the vibration motor installed on the feed tube is started, the vibration motor transmits the generated vibration force to the feed tube, and the feed tube vibrates back and forth at a high frequency under the action of the vibration force. By providing an elastic connection part connecting the feed tube and the feeding hopper, it is possible to avoid the feed tube from colliding with the feeding hopper during the vibration process, thereby preventing the feed tube from being damaged;

[0021] The material entering the discharge pipe from the feeding hopper is affected by the vibrating discharge pipe and moves with the vibration of the discharge pipe. By tilting the discharge pipe, the material entering the discharge pipe can be further guided, so that the material in the discharge pipe can move continuously and quickly to the feeding area formed between the collecting frame and the tablet press body, thereby avoiding the problem that the material with poor fluidity or a certain viscosity is easily adhered to the inner wall of the discharge pipe or retained and blocked in the feeding hopper during the feeding process, thereby causing unstable discharge and affecting the discharge quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is a three-dimensional diagram of the utility model.

[0024] Figure 2 It is a structural schematic diagram of the utility model.

[0025] Figure 3 For this utility model Figure 2 A partial enlarged view of point A in the middle.

[0026] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0027] 101-frame, 102-tablet press body, 103-aggregate frame, 104-feeding hopper, 105-discharging assembly, 106-discharging pipe, 107-elastic connecting part, 108-vibration motor, 109-installation groove, 110-first heating plate, 111-telescopic device, 112-stirring device, 113-cover body, 114-stirring rod, 115-driving motor, 116-stirring blade, 117-second heating plate, 118-through hole, 119-material guiding part. DETAILED DESCRIPTION

[0028] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the embodiments of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0029] In the description of the embodiments of the present invention, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", etc. indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present invention.

[0030] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0031] In the embodiments of the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0032] In the embodiments of the present utility model, unless otherwise clearly specified and limited, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through another feature between them. Moreover, the first feature being "above", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0033] The disclosure below provides many different embodiments or examples for realizing different structures of the embodiments of the present utility model. In order to simplify the disclosure of the embodiments of the present utility model, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the embodiments of the present utility model. In addition, the embodiments of the present utility model can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0034] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0035] See also Figure 1-Figure 3 This embodiment discloses a tablet press, specifically a feeding device of the tablet press, including a frame 101 and a tablet press body 102, a material collecting frame 103 is installed on the frame 101, a feeding area is formed between the material collecting frame 103 and the tablet press body 102, and also includes a feeding hopper 104 and a feeding assembly 105, and the feeding hopper 104 is installed on the frame 101;

[0036] The feeding assembly 105 includes a feeding pipe 106, an elastic connection part 107 and a vibration motor 108. A mounting groove 109 is provided at the discharge port of the feeding hopper 104. The elastic connection part 107 is connected to the mounting groove 109. The feeding pipe 106 is connected to the feeding hopper 104 through the elastic connection part 107. The vibration motor 108 is installed on the feeding pipe 106.

[0037] The feed pipe 106 is tilted, and one end of the feed pipe 106 away from the feeding hopper 104 extends into the feeding area.

[0038] In this embodiment, the elastic connection part 107 is an annular structure made of rubber material, and the feed pipe 106 can be flexibly connected to the feeding hopper 104 through the elastic connection part 107; when the vibration motor 108 installed on the feed pipe 106 is started, the vibration motor 108 transmits the generated vibration force to the feed pipe 106, and the feed pipe 106 vibrates back and forth at a high frequency under the action of the vibration force. By providing the elastic connection part 107 connecting the feed pipe 106 and the feeding hopper 104, it is possible to avoid the feed pipe 106 from colliding with the feeding hopper 104 during the vibration process, thereby causing damage to the feed pipe 106; The material in the feeding hopper 104 that enters the feeding pipe 106 is affected by the vibrating feeding pipe 106 and moves with the vibration of the feeding pipe 106. By tilting the feeding pipe 106, the material entering the feeding pipe 106 can be further guided, so that the material in the feeding pipe 106 can be continuously and quickly moved to the feeding area formed between the collecting frame 103 and the tablet press body 102, thereby avoiding the problem that the material with poor fluidity or a certain viscosity is easily adhered to the inner wall of the feeding pipe 106 or is retained and blocked in the feeding hopper 104 during the feeding process, thereby causing unstable feeding and affecting the discharge quality.

[0039] In some embodiments, a first heating plate 110 is installed in the hopper 104. By installing the first heating plate 110 in the hopper 104, the material in the hopper can be dried to prevent the material in the hopper from sticking to the inner wall of the hopper, which is inconvenient to clean; in this embodiment, the first heating plate 110 is a conventional heating mechanism in the prior art, and its structure and function will not be described one by one here.

[0040] In some embodiments, a telescopic device 111 is installed on the frame 101, and a stirring device 112 is connected to the telescopic end of the telescopic device 111. After the telescopic device 111 drives the stirring device 112 to move upward, materials can be added to the feeding hopper 104 through the gap formed between the stirring device 112 and the feeding hopper 104; after the feeding is completed, the stirring device 112 is driven downward by the telescopic device 111 to contact the feeding hopper 104, and the stirring device 112 can stir the materials in the feeding hopper 104, further increasing the fluidity of the materials and preventing the materials from being retained and blocked in the feeding hopper 104; in this embodiment, the telescopic device 111 is a conventional telescopic mechanism in the prior art, and its structure and function will not be described one by one here.

[0041] In some embodiments, the stirring device 112 includes a cover body 113, a stirring rod 114 and a driving motor 115. The cover body 113 is connected to the telescopic end of the telescopic device. The stirring rod 114 is rotatably mounted on the cover body 113. The driving motor 115 is mounted on the cover body 113 and is used to drive the stirring rod 114 to rotate. The stirring rod 114 is connected to a stirring blade 116. The fixed end of the telescopic device 111 is installed on the frame 101. After the telescopic device 111 drives the cover body 113 to move upward, the material can be added to the feeding hopper 104 through the gap formed between the cover body 113 and the feeding hopper 104; after the feeding is completed, the telescopic device 111 drives the cover body 113 to move downward until it contacts the feeding hopper 104, and then the driving motor 115 installed on the cover body 113 drives the stirring rod 114 to rotate, and the stirring blade 116 connected to the stirring rod 114 is specified to stir the material in the feeding hopper 104, thereby increasing the fluidity of the material; in this embodiment, the cover body 113 is provided with an exhaust hole, and the exhaust hole is used to discharge the water vapor generated after the material is dried.

[0042] In some embodiments, a second heating plate 117 is installed on the stirring blade 116. By installing the second heating plate 117 on the stirring blade 116, the heating area of ​​the material in the hopper 104 can be further increased, thereby achieving a better drying effect; in this embodiment, the second heating plate 117 is a conventional heating mechanism in the prior art, and its structure and function are not described one by one here.

[0043] In some embodiments, a sealing ring is installed at the bottom end of the cover body 113 for sealing the gap between the cover body 113 and the hopper 104. The sealing ring is fixedly installed at the bottom end of the cover body 113, and the sealing ring is made of rubber material. The sealing ring is used to seal the gap between the cover body 113 and the hopper 104, so as to prevent the material in the hopper 104 from leaking from the gap between the cover body 113 and the hopper 104 to the outside of the hopper 104 under the action of the stirring device 112, causing waste and pollution.

[0044] In some embodiments, the stirring blade 116 is provided with a through hole 118. By providing the through hole 118 on the stirring blade 116, the pressure generated by the stirring blade 116 when stirring the material can be reduced, making the stirring blade 116 safer during the process of stirring the material.

[0045] In some embodiments, a material guide portion 119 is connected to the elastic connection portion 107. The material guide portion 119 is used to guide the material moved to the connection between the elastic connection portion 107 and the feed hopper, so as to prevent the material from remaining at the connection between the elastic connection portion 107 and the feed hopper.

[0046] In some embodiments, the feeding hopper 104 is connected with a connecting rope, and one end of the connecting rope away from the feeding hopper 104 is connected to the feeding pipe 106. By providing the connecting rope, the feeding pipe 106 can be fixed to prevent the feeding pipe 106 from falling off under the action of the vibration motor 108.

[0047] In some embodiments, the elastic connection part 107 is provided with anti-slip grooves. The anti-slip grooves can increase the friction between the elastic connection part 107 and the mounting groove 109, thereby preventing the elastic connection part 107 from falling off from the mounting groove 109.

[0048] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present invention.

[0049] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A feeding device for a tablet press, comprising a frame (101) and a tablet press body (102), wherein a material collecting frame (103) is mounted on the frame (101), and a feeding area is formed between the material collecting frame (103) and the tablet press body (102), characterized in that: It also includes a feeding hopper (104) and a feeding assembly (105), wherein the feeding hopper (104) is mounted on the frame (101); The material discharge assembly (105) comprises a material discharge pipe (106), an elastic connection part (107) and a vibration motor (108); a mounting groove (109) is provided at the discharge port of the feeding hopper (104); the elastic connection part (107) is connected to the mounting groove (109); the material discharge pipe (106) is connected to the feeding hopper (104) via the elastic connection part (107); and the vibration motor (108) is mounted on the material discharge pipe (106); The feed pipe (106) is arranged at an angle, and one end of the feed pipe (106) away from the feeding hopper (104) extends into the feeding area.

2. A feeding device for a tablet press according to claim 1, characterized in that: A first heating plate (110) is installed in the feeding hopper (104).

3. A feeding device for a tablet press according to claim 1, characterized in that: A telescopic device (111) is installed on the frame (101), and a telescopic end of the telescopic device (111) is connected to a stirring device (112).

4. A feeding device for a tablet press according to claim 3, characterized in that: The stirring device (112) comprises a cover body (113), a stirring rod (114) and a driving motor (115); the cover body (113) is connected to the telescopic end of the telescopic device; the stirring rod (114) is rotatably mounted on the cover body (113); the driving motor (115) is mounted on the cover body (113) and is used to drive the stirring rod (114) to rotate; and the stirring rod (114) is connected to a stirring blade (116).

5. A feeding device for a tablet press according to claim 4, characterized in that: A second heating plate (117) is mounted on the stirring blade (116).

6. A feeding device for a tablet press according to claim 4, characterized in that: A sealing ring is installed at the bottom end of the cover body (113) for sealing the gap between the cover body (113) and the feeding hopper (104).

7. A feeding device for a tablet press according to claim 4, characterized in that: The stirring blade (116) is provided with a through hole (118).

8. A feeding device for a tablet press according to claim 1, characterized in that: The elastic connecting portion (107) is connected to a material guiding portion (119).

9. A feeding device for a tablet press according to claim 1, characterized in that: The feeding hopper (104) is connected to a connecting rope, and one end of the connecting rope away from the feeding hopper (104) is connected to a feeding pipe (106).

10. A feeding device for a tablet press according to claim 1, characterized in that: The elastic connecting portion (107) is provided with anti-slip grooves.

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