A tablet pressing device

Abstract

The present application discloses a tablet pressing device, comprising a punching table, on which a forming die is arranged, on which a forming cavity is arranged, and a core rod is also arranged in the forming cavity; the tablet pressing device also comprises a punching head, on which a avoidance hole cooperating with the core rod is arranged; the tablet pressing device also comprises a discharging device, and a sliding sleeve of the discharging device is arranged on the core rod; the present application can realize the stamping production of tablets with holes through the arrangement of the core rod and the avoidance hole, and simplifies the structure of the entire tablet pressing device to the greatest extent, which is not only conducive to improving the reliability and stability of the entire device, but also conducive to reducing the cost of the entire tablet pressing device; compared with the prior art, the present application can also realize the fully automated production of tablets, which greatly improves the production efficiency of tablets.

Description

Technical Field

[0001] The present application relates to the technical field of electric power equipment, and in particular to a tablet pressing device. Background Art

[0002] The sealing of glass and metal is widely used, such as: watch covers, lithium battery covers, 5G integrated signal box packaging, pressure sensor sealing, lasers, infrared devices and electric light sources. The sealing technology of metal and glass is very demanding, not only requiring a certain mechanical strength, but also requiring excellent airtightness and conductivity under high vacuum conditions;

[0003] In the prior art, a large number of hollow tablets of various specifications need to be produced in glass-metal packaging. However, the tablet presses in the prior art can only produce tablets with solid structures, which cannot meet the actual needs of the glass packaging industry. Summary of the invention

[0004] The main purpose of the present application is to provide a tablet pressing device, aiming to solve the defect that the hollow structure cannot be pressed in the prior art.

[0005] The present invention achieves the above-mentioned purpose through the following technical solutions:

[0006] A tablet pressing device comprises a punching table;

[0007] A forming die, the forming die is arranged on the stamping table, the forming die is provided with a forming cavity, and a core rod for forming a hollow structure is arranged in the forming cavity;

[0008] A punching head, wherein the punching head is provided with an avoidance hole adapted to the core rod;

[0009] A discharging device, one end of which is slidably sleeved on the core rod, and the other end of which is connected to an external transmission device; driven by the transmission device, the discharging device pushes out the hollow pressed tablets processed in the molding cavity.

[0010] Optionally, a first step hole is provided on the stamping table, and the forming die passes through the first step hole and is connected to the discharge device.

[0011] Optionally, the molding die includes a base and a molding block, and the molding cavity is arranged on the molding block; and the outer surface of the base is provided with a limiting step adapted to the first step hole.

[0012] Optionally, a second step hole is provided on the base, and the forming block is placed in the second step hole; and a plurality of fastening screws for fixing the forming block are also provided on the base.

[0013] Optionally, a plurality of screw holes are provided on the base around the axial direction of the base, and each of the fastening screws passes through the screw hole to abut against the forming block.

[0014] Optionally, the base is also provided with an avoidance groove for hiding the end of the fastening screw.

[0015] Optionally, a sliding hole connected to the second step hole is provided on the base; and the discharging device includes a top material assembly and a transmission rod which are connected to each other.

[0016] Optionally, the ejection assembly includes an ejection rod and a sliding block connected to each other, the ejection rod being provided with a socket hole for slidingly engaging the core rod; the sliding block being provided with a third step hole, one end of the ejection rod being inserted into the third step hole, and the other end thereof being inserted into the molding cavity.

[0017] Optionally, an avoidance groove is further provided on the slide block, a fixing component is provided in the avoidance groove, and the fixing component is respectively connected to the base and the core rod.

[0018] Optionally, the fixing assembly includes a fixing plate, wherein a fixing step hole and a limit block that cooperate with each other are provided between the fixing plate and the core rod, and a sealing plate for fixing the limit block in the fixing step hole is also provided on the bottom surface of the fixing plate.

[0019] Compared with the prior art, this application has the following beneficial effects:

[0020] The present application includes a punching table, on which a forming die is provided, on which a forming cavity is provided, and a core rod is also provided in the forming cavity; the tablet pressing device also includes a punching head, on which a avoidance hole cooperating with the core rod is provided; and the tablet pressing device also includes a discharge device, and the discharge device is slidably sleeved on the core rod;

[0021] When the tablet pressing device of the present application is used, the discharging device is first driven to the lowest position to empty the forming cavity, and at the same time, the external feeding device injects the powder material to be pressed into the forming cavity.

[0022] Driven by the external transmission device, the discharge device pushes the hollow pressed tablet that has been punched and formed in the forming cavity out of the forming cavity, and then drives the punch head to be inserted into the forming cavity at high speed through the external transmission device. After the punch head is inserted into the forming cavity, the core rod will be inserted into the avoidance hole, and the punch head with an annular structure will punch the powder raw material and compact it to form a pressed tablet with a hollow structure;

[0023] After the punching is completed, the punch head will be pushed out of the forming cavity driven by the external power device. After the punch head is withdrawn, the external driving device will drive each of the discharging devices to move upward, thereby driving the pressed tablets to move toward the outlet end of the forming cavity and finally discharged. During the tablet discharge process, the external feeding device moves toward the side of the forming cavity and pushes the discharged tablets into the collecting device, and at the same time, the powder raw material to be punched is injected into the forming cavity again. Repeating the above process can realize the uninterrupted production of tablets.

[0024] Compared with the prior art, the present application can realize the rapid stamping production of perforated pressed sheets, overcoming the defect that the prior art cannot produce perforated pressed sheets;

[0025] At the same time, compared with the prior art, the present application can achieve the above purpose by setting the core rod and the avoidance hole, which simplifies the structure of the entire tablet pressing device to the greatest extent, which is not only beneficial to improving the reliability and stability of the entire device, but also beneficial to reducing the cost of the entire tablet pressing device. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 A tablet pressing device provided in embodiment 1 of the present application;

[0027] Figure 2 A schematic cross-sectional view of a tablet pressing device provided in Embodiment 1 of the present application;

[0028] Figure 3 This is an enlarged view of part A;

[0029] Figure 4 It is a schematic diagram of the structure of the stamping table;

[0030] Figure 5 is a schematic diagram of the base structure;

[0031] Figure 6 Schematic diagram of the ejector rod structure;

[0032] Figure 7 It is a schematic diagram of the slider structure;

[0033] Figure markings: 1-stamping table, 2-forming mold, 3-forming cavity, 4-core rod, 5-punch head, 6-avoidance hole, 7-transmission rod, 8-ejection rod, 9-slider, 10-sleeve hole, 11-third step hole, 12-avoidance slide groove, 13-fixed plate, 14-fixed step hole, 15-limiting block, 16-closing plate, 101-first step hole, 201-base, 202-forming block, 203-limiting step, 204-second step hole, 205-fastening screw, 206-screw hole, 207-avoidance groove, 208-slide hole.

[0034] The purpose, features and advantages of this application will be further described in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions 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.

[0036] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0037] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; 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, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in the field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0039] Implementation Method 1

[0040] Reference Figures 1 to 5, this embodiment is an optional embodiment of the present application, which discloses a tablet pressing device, including a punching table 1, the punching table 1 and a forming die 2, the punching table 1 is provided with a first step hole 101 in the middle, the forming die 2 includes a base 201 and a forming block 202, wherein a limiting step 203 is provided on the outer surface of the base 201, during installation, the base 201 is inserted into the first step hole 101 and passes through the first step hole 101, after the base 201 is inserted into the first step hole 101, its limiting step 203 and the first step hole 101 are mutually fitted to achieve the fixation of the base 201; at the same time, the insertion depth of the base 201 is controlled by the cooperation of the limiting step 203 and the first step hole 101 to ensure that the top surface of the base 201 is flush with the top surface of the punching table 1, thereby avoiding interference in the subsequent discharge process; and the cooperation of the limiting step 203 and the first step hole 101 can effectively improve the assembly accuracy and assembly efficiency;

[0041] At the same time, a second step hole 204 is also provided on the base 201, and the molding block 202 is inserted into the second step hole 204, and the top surface of the molding block 202 is flush with the top surface of the base 201; around the axis of the base 201, a plurality of bolt holes are evenly provided on the outer peripheral surface of the base 201, and each of the bolt holes is threadedly connected with a fastening screw 205, and the end surface of the fastening screw 205 abuts against the outer peripheral surface of the molding block 202 to fix the molding block 202 to the The base 201 ensures the stability of the forming block 202 during the stamping process; at the same time, an avoidance groove 207 is provided on the outer peripheral surface of the forming block 202, and each of the avoidance grooves 207 connects the bolt holes in series, and the width of the avoidance groove 207 is greater than the diameter of the bolt hole, so as to ensure that the end of the fastening screw 205 can be completely hidden in the avoidance groove 207, which can not only improve the appearance quality of the entire device, but also avoid the interference between the fastening screw 205 and the stamping table 1 during the installation process;

[0042] The base 201 is also provided with a slide hole 208, and the second step hole 204 and the slide hole 208 are respectively disposed at the two ends of the base 201, are interconnected and coaxial; the tablet pressing device also includes a discharging device, the discharging device includes a ejecting assembly and a transmission rod 7, the ejecting assembly includes an ejecting rod 8 and a slider 9, the slider 9 is slidably inserted into the slide hole 208; a third step hole 11 is provided on the top of the slider 9, the ejecting rod 8 is a T-shaped structure, and a sleeve hole 10 is provided on it, the sleeve hole 10 is coaxial with the axis of the ejecting rod 8; the big head end of the ejecting rod 8 is inserted into the third step hole 11, and a plurality of bolt holes are evenly arranged on the outer peripheral surface of the slider 9 around the axis of the slider 9, and each of the bolt holes is threadedly connected with a fastening screw 205, and the fastening screw 205 abuts against the outer peripheral surface of the ejecting rod 8 to fix the ejecting rod 8; an avoidance groove 207 is also arranged on the outer peripheral surface of the slider 9, and the big head end of the fastening screw 205 is hidden in the avoidance groove 207;

[0043] The tablet pressing device includes a fixing assembly and a core rod 4, and the fixing assembly includes a fixing plate 13 and a sealing plate 16. Bolt holes are provided at both ends of the fixing plate 13 and the sealing plate 16, and the bolt holes correspond to each other. A fixing step hole 14 is also provided on the fixing plate 13, and one end of the core rod 4 is integrally connected with a limiting block 15, and the entire core rod 4 is in a T-shaped structure; during installation, the small head end of the core rod 4 passes through the fixing step hole 14, and its limiting block 15 is inserted into the fixing step hole 14, and at the same time, the sealing plate 16 is arranged on the lower side of the fixing plate 13 to close the fixing step hole 14, thereby fixing the core rod 4 to the fixing assembly; at the same time, the fixing assembly is fixedly connected to the bottom surface of the base 201 through the bolts located in the bolt holes; the small head end of the core rod 4 passes through the sliding hole 208 on the slider 9 and the ejector rod 8 and is inserted into the molding cavity 3;

[0044] The slide block 9 is also provided with an avoidance slot 12, and the fixing assembly is inserted into the avoidance slot 12; the ejector rod 8 is slidably sleeved on the core rod 4 through the sleeve hole 10, and the top of the ejector rod 8 is inserted into the molding cavity 3;

[0045] As can be seen from the accompanying drawings, the slider 9 slides along the axial direction of the base 201. At the same time, in order to ensure the accurate installation of the core rod 4, the fixing assembly must be located in the axial direction of the base 201. Therefore, the fixing group will prevent the slider 9 from being connected to the transmission rod 7. The fixing assembly is embedded in the slider 9 by setting the avoidance slot 12, so that the slider 9 is cleverly connected to the transmission rod 7 by avoiding the fixing assembly, thereby avoiding mutual interference between the two. Therefore, the setting of the avoidance slot 12 can ensure that the core rod 4 is inserted into the molding cavity 3 on the one hand; on the other hand, the avoidance slot 12 has a simple structure, which can effectively simplify the structure of the entire equipment and improve the reliability and stability of the equipment.

[0046] The free end of the slider 9 is also provided with a limiting step 203, and a connecting sleeve is also provided between the slider 9 and the transmission rod 7. The connecting sleeve is provided with a step hole, and the slider 9 is connected to the step hole by abutting against each other through the limiting step 203. The large end of the step hole is connected to the transmission rod 7 by thread, so that the slider 9 is connected to the transmission rod 7 through the connecting sleeve;

[0047] The tablet pressing device further includes a punch head 5, which is arranged directly above the forming cavity 3. A avoidance hole 6 is arranged on the punch head 5. The axis of the avoidance hole 6 is coaxial with the axis of the core rod 4, and the inner diameter of the avoidance hole 6 is 0.01-0.02 mm larger than the outer diameter of the core rod 4. The above-mentioned dimensional setting can effectively ensure that the coaxiality error between the through hole on the tablet and the outer circle of the tablet is less than 0.05 mm, thereby improving the tablet pressing processing quality of the equipment;

[0048] When the tablet pressing device of the present application is used, the discharging device is first driven to the lowest position to empty the forming cavity, and at the same time, the external feeding device injects the powder material to be pressed into the forming cavity.

[0049] Driven by the external transmission device, the discharge device pushes the hollow pressed tablet that has been punched and formed in the forming cavity out of the forming cavity, and then drives the punch head to be inserted into the forming cavity at high speed through the external transmission device. After the punch head is inserted into the forming cavity, the core rod will be inserted into the avoidance hole, and the punch head with an annular structure will punch the powder raw material and compact it to form a pressed tablet with a hollow structure;

[0050] After the punching is completed, the punch head will be pushed out of the forming cavity driven by the external power device. After the punch head is withdrawn, the external driving device will drive each of the discharging devices to move upward, thereby driving the pressed tablets to move toward the outlet end of the forming cavity and finally discharged. During the tablet discharge process, the external feeding device moves toward the side of the forming cavity and pushes the discharged tablets into the collecting device, and at the same time, the powder raw material to be punched is injected into the forming cavity again. Repeating the above process can realize the uninterrupted production of tablets.

[0051] Compared with the prior art, the present application can realize the rapid stamping production of perforated pressed sheets, overcoming the defect that the prior art cannot produce perforated pressed sheets;

[0052] At the same time, compared with the prior art, the present application can achieve the above purpose by setting the core rod and the avoidance hole, which simplifies the structure of the entire tablet pressing device to the greatest extent, which is not only beneficial to improving the reliability and stability of the entire device, but also beneficial to reducing the cost of the entire tablet pressing device.

[0053] The above are only preferred embodiments of the present application, and are not intended to limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A tablet pressing device, characterized in that: It comprises a stamping table (1); A forming die (2), the forming die (2) being arranged on the punching platform (1), the forming die (2) being provided with a forming cavity (3), and a core rod (4) for forming a hollow structure being arranged in the forming cavity (3); A punch head (5), wherein the punch head (5) is provided with an avoidance hole (6) adapted to the core rod (4); a discharging device, one end of which is slidably sleeved on the core rod (4) and the other end of which is connected to an external transmission device; under the drive of the transmission device, the discharging device pushes out the hollow pressed tablets that have been processed in the molding cavity (3); The punching table (1) is provided with a first step hole (101), and the forming die (2) passes through the first step hole (101) and is connected to the discharge device; the forming die (2) comprises a base (201) and a forming block (202), and the forming cavity (3) is arranged on the forming block (202); the outer surface of the base (201) is provided with a limiting step (203) adapted to the first step hole (101); The base (201) is provided with a second step hole (204), and the forming block (202) is placed in the second step hole (204); the base (201) is also provided with a plurality of fastening screws (205) for fixing the forming block (202); the base (201) is provided with a sliding hole (208) connected to the second step hole (204); the discharging device comprises a top material assembly and a transmission rod (7) connected to each other; The ejection assembly comprises an ejection rod (8) and a slider (9) which are connected to each other, wherein the ejection rod (8) is provided with a socket hole (10) for slidingly sleeved with the core rod (4); the slider (9) is provided with a third step hole (11), one end of the ejection rod (8) is inserted into the third step hole (11), and the other end thereof is inserted into the molding cavity (3); the slider (9) is also provided with an avoidance groove (12), and a fixing assembly is provided in the avoidance groove (12), and the fixing assembly is respectively connected to the base (201) and the core rod (4).

2. A tablet pressing device according to claim 1, characterized in that: A plurality of screw holes (206) are provided on the base (201) around the axial direction of the base (201), and each of the fastening screws (205) passes through the screw hole (206) to abut against the forming block (202).

3. A tablet pressing device according to claim 1 or 2, characterized in that: The base (201) is also provided with an avoidance groove (207) for hiding the end of the fastening screw (205).

4. A tablet pressing device according to claim 1, characterized in that: The fixing assembly comprises a fixing plate (13), wherein a fixing step hole (14) and a limit block (15) which cooperate with each other are arranged between the fixing plate (13) and the core rod (4), and a sealing plate (16) for fixing the limit block (15) in the fixing step hole (14) is also arranged on the bottom surface of the fixing plate (13).

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