A film pressing device for a sealing machine with convenient mold replacement

Abstract

The application discloses a film pressing device with convenient mold replacement for a sealing machine and relates to the technical field of sealing machines.The film pressing device comprises a storage seat, a film pressing drive, a film pressing rod, an inner base and a mold.The film pressing drive comprises a rotary air cylinder, the output end of the rotary air cylinder is fixed with a disc-shaped structure of a pressing plate, the connecting point of the rotary air cylinder and the pressing plate is located at the edge of the end face of the pressing plate, the peripheral side of the pressing plate is rotationally connected with an outer ring through a bearing, the peripheral side of the outer ring is provided with a limiting groove, the film pressing rod comprises a connecting disc, an outer sleeve body and an inner core rod, the top end of the outer sleeve body is fixed with an end plate, the top of the end plate is provided with a limiting edge matched with the limiting groove, the outer ring is attached to the outer surface of the end plate, and the peripheral side of the outer sleeve body is provided with a gasket ring.The film pressing device is novel, the upper mold body and the lower mold body can be conveniently replaced, the sealing machine does not need to be disassembled, the film pressing device is suitable for more different specifications and types of molds, and the application range, replacement efficiency and assembly precision of the sealing machine are greatly improved.

Description

Technical Field

[0001] This invention belongs to the field of sealing machine technology, and in particular relates to a film pressing device for sealing machines that facilitates mold replacement. Background Technology

[0002] Existing sealing machines have holes in the base for positioning cups or boxes, and a lifting cylinder and other mechanisms inside the sealing machine for lifting and driving the pressure rod. A mold is set at the end of the pressure rod for trimming and heat sealing.

[0003] When using a sealing machine for different specifications of the same type of packaging boxes / cups, different types of packaging boxes / cups, or different quantities of packaging boxes / cups, a new sealing machine is required, which is too costly. If a single sealing machine is modified, the mold or even the storage base of the sealing machine needs to be disassembled and replaced. Due to the presence of the packaging film roll and guide rod, the sealing machine casing needs to be removed during replacement, followed by disassembly and installation, resulting in low work efficiency.

[0004] The existing sealing machine's lifting drive mechanism is mainly a cylinder. However, it requires matching upper and lower proximity sensors to control the lifting distance. If different molds are changed, there may be problems with changes in the lifting distance and the height of the bottom of the pressure rod. The position of the proximity sensor needs to be adjusted accordingly, which further increases the difficulty and is prone to insufficient accuracy. Summary of the Invention

[0005] The purpose of this invention is to provide a sealing machine pressing device that facilitates mold replacement. By designing a novel pressing device, the upper and lower mold bodies can be easily replaced without disassembling the sealing machine, thus making it suitable for use with a wide range of molds of different specifications and types. This greatly improves the applicability, replacement efficiency, and assembly accuracy of the sealing machine.

[0006] To solve the above-mentioned technical problems, the present invention is achieved through the following technical solution:

[0007] This invention relates to a sealing machine pressing device for easy mold replacement, comprising a storage base, a pressing drive, a pressing rod, an internal base, and a mold;

[0008] The pressure film drive includes a rotary cylinder, and a disc-shaped pressure plate is fixed at the output end of the rotary cylinder. The connection point between the rotary cylinder and the pressure plate is located at the edge of the end face of the pressure plate. An outer ring is rotatably connected to the peripheral side of the pressure plate through a bearing, and a limiting groove is provided on the peripheral side of the outer ring.

[0009] The pressure rod includes a connecting plate, an outer casing, and an inner core rod;

[0010] The top of the outer casing is fixed with an end plate, the top of the end plate is provided with a limiting edge that mates with the limiting groove, the outer ring is in contact with the outer surface of the end plate, and the outer casing is provided with a gasket on its peripheral side.

[0011] The bottom end of the outer casing penetrates the inner base. A spring is fixed between the washer and the inner base. An upper fastening screw is provided on the outer casing and at the position between the end plate and the washer. The inner core rod is fixed in the outer casing by the upper fastening screw. A square end is fixed at the bottom end of the inner core rod, and a groove is provided on one side of the square end.

[0012] A square sleeve is fixed to the top of the connecting plate. A relief groove is provided on one side of the square sleeve. A lower fastening screw is provided on the peripheral side of the square sleeve, which is opposite to the relief groove. The square end gap is set inside the square sleeve. The square end is fixed to the square sleeve by the lower fastening screw and the groove.

[0013] The mold includes an upper mold body and a lower mold body. The upper mold body is provided with a connecting seat on its top, and the connecting seat is fixed to the connecting plate by fasteners.

[0014] The placement seat has an opening, and there are transverse fastening edges on both sides of the opening. A longitudinal fastening edge is fixed between the two transverse fastening edges. The bottom of the lower mold body has a mold base, and the mold base is fixed to the top of the two longitudinal fastening edges by fasteners.

[0015] Furthermore, threaded sleeves are fixedly inserted through both the periphery of the square sleeve and the periphery of the outer sleeve, and the upper and lower fastening screws respectively penetrate the threaded sleeves on the square sleeve and the outer sleeve.

[0016] Furthermore, a guide sleeve is fixed to the outer end of the threaded sleeve, and the end of the guide sleeve is provided with a tapered end.

[0017] Furthermore, the upper fastening screw has an upper washer at its end, and the inner core rod has a straight groove on its top peripheral side, the straight groove being opposite to the position of the upper fastening screw.

[0018] Furthermore, the lower fastening screw has a lower washer at its end, and the lower washer is in clearance fit with the groove.

[0019] Furthermore, both the transverse and longitudinal fastening edges are provided with strip grooves along their length. The end of the longitudinal fastening edge is fixed to the transverse fastening edge by fasteners and the strip grooves. The four corners of the mold base are fixed to the longitudinal fastening edge by fasteners and the strip grooves.

[0020] Furthermore, the upper mold body is provided with a heat-sealing joint, and an adapter is fixed on the top of the connecting plate. The heat-sealing joint and the adapter are electrically connected, and a quick connector is electrically connected to the adapter via a flexible wire.

[0021] Furthermore, the front side of the storage seat is provided with a folded edge, and the rear side of the storage seat is provided with a connecting area.

[0022] Furthermore, the storage base is provided with holes, and the lower mold body is disposed on the storage base and mates with the holes.

[0023] The present invention has the following beneficial effects:

[0024] 1. This invention, through the design of a novel film pressing device, facilitates the replacement of the upper and lower mold bodies without disassembling the sealing machine, thus making it applicable to a wide range of molds of different specifications and types, greatly improving the applicability, replacement efficiency, and assembly accuracy of the sealing machine.

[0025] 2. This invention, through the design of a telescopic pressure rod, can quickly adapt to the height deviation of the pressure rod, improving assembly accuracy and efficiency. Combined with a cam-type pressure rod drive and equipped with a cylinder with a fixed stroke of 180 degrees or 90 degrees, it eliminates the need for upper and lower proximity switches, ensuring a constant lifting length of the pressure rod. Thus, no further adjustments are required after changing the mold, improving pressure rod efficiency and quality.

[0026] 3. The present invention, through the design of a novel mounting base, with longitudinal and transverse fastening edges, can be adapted to the installation of lower mold bodies of different specifications and types, with a wide range of applications and can improve assembly accuracy and efficiency.

[0027] 4. The present invention facilitates the positioning of long tools by providing threaded sleeves, guide sleeves and conical ends on the outside of the upper and lower fastening screws, and facilitates the operation and tightening of the upper and lower fastening screws without disassembling the sealing machine housing, thus making operation easier.

[0028] Of course, any product implementing this invention does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0029] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0030] Figure 1 This is a schematic diagram of the structure of a sealing machine pressing device for convenient mold replacement according to the present invention;

[0031] Figure 2 This is a cross-sectional view of the structure of the present invention;

[0032] Figure 3 A schematic diagram of the pressure-pressing drive, outer casing, inner core rod, and internal base;

[0033] Figure 4 This is a structural diagram of the connecting plate and the upper mold body;

[0034] Figure 5 This is a structural diagram of the storage base and the lower mold body;

[0035] The attached diagram lists the components represented by each number as follows:

[0036] 1-Seat, 2-Pressure film drive, 3-Pressure film rod, 4-Inner base, 5-Mold, 6-Spring, 101-Opening, 102-Transverse fastening edge, 103-Vertical fastening edge, 104-Strip groove, 105-Lower fold edge, 106-Hole, 201-Rotary cylinder, 202-Pressure plate, 203-Outer ring, 204-Limiting groove, 301-Connecting plate, 302-Outer sleeve, 303-Inner core rod, 304-End plate, 305-Limiting edge 306-Washer ring, 307-Upper fastening screw, 308-Square end, 309-Groove, 310-Square sleeve, 311-Leaning groove, 312-Lower fastening screw, 313-Threaded sleeve, 314-Guide sleeve, 315-Conical end, 316-Upper pad, 317-Straight groove, 318-Lower pad, 319-Adapter, 320-Quick connector, 501-Upper mold body, 502-Lower mold body, 503-Connecting seat, 504-Mold base, 505-Heat-sealing connector. Detailed Implementation

[0037] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0038] Please see Figure 1-5 As shown, the present invention is a sealing machine pressing device for easy mold replacement, including a storage base 1, a pressing drive 2, a pressing rod 3, an internal base 4 and a mold 5;

[0039] The pressure film drive 2 includes a rotary cylinder 201, and a disc-shaped pressure plate 202 is fixed at the output end of the rotary cylinder 201. The connection point between the rotary cylinder 201 and the pressure plate 202 is located at the edge of the end face of the pressure plate 202. An outer ring 203 is rotatably connected to the peripheral side of the pressure plate 202 through a bearing. A limiting groove 204 is provided on the peripheral side of the outer ring 203.

[0040] The pressure rod 3 includes a connecting plate 301, an outer sleeve 302, and an inner core rod 303;

[0041] The top of the outer body 302 is fixed with an end plate 304. The top of the end plate 304 is provided with a limiting edge 305 that cooperates with the limiting groove 204. The outer ring 203 is in contact with the outer surface of the end plate 304. The outer side of the outer body 302 is provided with a washer ring 306.

[0042] The bottom end of the outer casing 302 passes through the inner base 4. A spring 6 is fixed between the washer 306 and the inner base 4. An upper fastening screw 307 is provided on the outer casing 302 and located between the end plate 304 and the washer 306. The inner core rod 303 is fixed inside the outer casing 302 by the upper fastening screw 307. A square end 308 is fixed at the bottom end of the inner core rod 303. A groove 309 is provided on one side of the square end 308.

[0043] A square sleeve 310 is fixed to the top of the connecting plate 301. A relief groove 311 is provided on one side of the square sleeve 310. A lower fastening screw 312 is provided on the circumferential side of the square sleeve 310, which is opposite to the relief groove 311. The square end 308 is gapped inside the square sleeve 310. The square end 308 is fixed to the square sleeve 310 by the lower fastening screw 312 and the groove 309.

[0044] Mold 5 includes an upper mold body 501 and a lower mold body 502. The top of the upper mold body 501 is provided with a connecting seat 503, which is fixed to the connecting plate 301 by fasteners.

[0045] The storage base 1 has an opening 101, and there are transverse fastening edges 102 on both sides of the opening 101. A longitudinal fastening edge 103 is fixed between the two transverse fastening edges 102. The bottom of the lower mold body 502 has a mold base 504, and the mold base 504 is fixed to the top of the two longitudinal fastening edges 103 by fasteners.

[0046] Among them, such as Figure 1-4 As shown, threaded sleeves 313 are fixed through both the circumferential side of the square sleeve 310 and the circumferential side of the outer sleeve 302. The upper fastening screw 307 and the lower fastening screw 312 pass through the threaded sleeves 313 on the square sleeve 310 and the outer sleeve 302, respectively.

[0047] Among them, such as Figure 1-4 As shown, a guide sleeve 314 is fixed to the outer end of the threaded sleeve 313, and a tapered end 315 is provided at the end of the guide sleeve 314.

[0048] Among them, such as Figure 2 As shown, the upper fastening screw 307 has an upper washer 316 at its end, and the inner core rod 303 has a straight groove 317 on its top peripheral side, with the straight groove 317 being opposite to the upper fastening screw 307.

[0049] Among them, such as Figure 2-3 As shown, the lower fastening screw 312 has a lower washer 318 at its end, and the lower washer 318 is clearance-fitted with the groove 309.

[0050] Among them, such as Figure 1-2 and Figure 5As shown, both the transverse fastening edge 102 and the longitudinal fastening edge 103 have strip grooves 104 along their length. The end of the longitudinal fastening edge 103 is fixed to the transverse fastening edge 102 by fasteners and strip grooves 104. The four corners of the mold base 504 are fixed to the longitudinal fastening edge 103 by fasteners and strip grooves 104.

[0051] Among them, such as Figure 1 and Figure 4 As shown, the upper mold body 501 is provided with a heat-sealing connector 505, and the top of the connecting plate 301 is fixed with an adapter 319. The heat-sealing connector 505 is electrically connected to the adapter 319, and the adapter 319 is electrically connected to a quick connector 320 via a flexible wire.

[0052] Among them, such as Figure 1-2 and Figure 5 As shown, the front side of the storage seat 1 is provided with a folded edge 105, and the rear side of the storage seat 1 is provided with a connecting area.

[0053] Among them, such as Figure 1-2 and Figure 5 As shown, the storage base 1 has a hole 106, and the lower mold body 502 is disposed on the storage base 1 and cooperates with the hole 106.

[0054] The working principle of this invention is as follows:

[0055] The method for installing the mold 5 of the present invention includes the following steps:

[0056] SS01 controls the material placement seat 1 to be in the material feeding position when it is in the outer position of the sealing machine. Take out the lower mold body 502 to be installed. The fastener passes through the connection point of the horizontal fastening edge 102, the vertical fastening edge 103 and the mold base 504 of the lower mold body 502 without tightening. The lower mold body 502 is in the position adjustable state.

[0057] SS02 fits the upper mold body 501, which is equipped with the connecting plate 301, onto the top of the lower mold body 502, limiting the circumferential direction between the upper mold body 501 and the lower mold body 502, and connects the heat sealing joint 505 of the upper mold body 501 to the adapter 319, and connects the quick connector 320 to the temperature control line inside the sealing machine (the connector of the temperature control line is installed at the front edge of one side plate of the sealing machine).

[0058] SS03 controls the placement seat 1 to be in the sealing position inside the sealing machine. By passing a long tool through the guide sleeve 314 outside the upper fastening screw 307 and turning the upper fastening screw 307, the inner core rod 303 and the outer sleeve 302 are separated. The positions of the upper mold body 501 and the lower mold body 502 are adjusted to ensure that the square end 308 is inserted into the square sleeve 310.

[0059] SS04 uses a long tool to pass through the guide sleeve 314 outside the lower fastening screw 312 and tightens the lower fastening screw 312, causing the lower pad 318 to extend into the groove 309 to fix the inner core rod 303 and the connecting plate 301, that is, to fix the lower mold body 502 and the inner core rod 303.

[0060] SS05 controls the start of rotary cylinder 201, so that the pressure rod 3 is located at the bottom of the sealing machine and in the pressure state. Then, the upper fastening screw 307 is tightened again by the long tool to achieve the fastening between the inner core rod 303 and the outer sleeve 302, thereby achieving the positioning and fastening of the upper mold body 501.

[0061] SS06 Tighten the two fasteners on the transverse fastening edge 102 near the lower folded edge 105, and tighten the fasteners on the longitudinal fastening edge 103 near the lower folded edge 105 to achieve pre-fixation of the lower mold body 502.

[0062] SS07 controls the rotary cylinder 201 to start and reset, separating the upper mold body 501 and the lower mold body 502. Then, it controls the placement seat 1 to move to the outside of the sealing machine and to the material feeding device, tightening the fasteners that are not tightened on the transverse fastening edge 102 and the longitudinal fastening edge 103, thereby achieving the positioning and fastening of the lower mold body 502.

[0063] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0064] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A sealing machine pressing device for easy mold replacement, comprising a storage base (1), a pressing drive (2), a pressing rod (3), an internal base (4), and a mold (5), characterized in that: The pressure film drive (2) includes a rotary cylinder (201), and a disc-shaped pressure plate (202) is fixed at the output end of the rotary cylinder (201). The connection point between the rotary cylinder (201) and the pressure plate (202) is located at the edge of the end face of the pressure plate (202). An outer ring (203) is rotatably connected to the peripheral side of the pressure plate (202) through a bearing. A limiting groove (204) is provided on the peripheral side of the outer ring (203). The pressure rod (3) includes a connecting plate (301), an outer sleeve (302), and an inner core rod (303). The top of the outer casing (302) is fixed with an end plate (304), the top of the end plate (304) is provided with a limiting edge (305) that cooperates with the limiting groove (204), the outer ring (203) is attached to the outer surface of the end plate (304), and the outer casing (302) is provided with a washer ring (306) on the periphery. The bottom end of the outer casing (302) penetrates the inner base (4). A spring (6) is fixed between the washer (306) and the inner base (4). An upper fastening screw (307) is provided on the outer casing (302) at a position between the end plate (304) and the washer (306). The inner core rod (303) is fixed inside the outer casing (302) by the upper fastening screw (307). A square end (308) is fixed at the bottom end of the inner core rod (303). A groove (309) is provided on one side of the square end (308). The top of the connecting plate (301) is fixed with a square sleeve (310). A relief groove (311) is provided on one side of the square sleeve (310). A lower fastening screw (312) is provided on the circumferential side of the square sleeve (310) opposite to the relief groove (311). The square end (308) is gapped inside the square sleeve (310). The square end (308) is fixed to the square sleeve (310) by the lower fastening screw (312) and the groove (309). The mold (5) includes an upper mold body (501) and a lower mold body (502). The upper mold body (501) is provided with a connecting seat (503) at its top. The connecting seat (503) is fixed to the connecting plate (301) by fasteners. The storage seat (1) has an opening (101), and both sides of the opening (101) have horizontal fastening edges (102). A longitudinal fastening edge (103) is fixed between the two horizontal fastening edges (102). The bottom of the lower mold body (502) has a mold base (504), and the mold base (504) is fixed to the top of the two longitudinal fastening edges (103) by fasteners.

2. The sealing machine pressing device for convenient mold replacement according to claim 1, characterized in that, The square sleeve (310) and the outer sleeve (302) are both fixed with threaded sleeves (313), and the upper fastening screw (307) and the lower fastening screw (312) pass through the threaded sleeves (313) on the square sleeve (310) and the outer sleeve (302) respectively.

3. The sealing machine pressing device for convenient mold replacement according to claim 2, characterized in that, The outer end of the threaded sleeve (313) is fixed with a guide sleeve (314), and the end of the guide sleeve (314) is provided with a tapered end (315).

4. A sealing machine pressing device for convenient mold replacement according to claim 1, characterized in that, The upper fastening screw (307) has an upper washer (316) at its end, and the inner core rod (303) has a straight groove (317) on its top peripheral side, with the straight groove (317) being opposite to the upper fastening screw (307).

5. A sealing machine pressing device for convenient mold replacement according to claim 1, characterized in that, The lower fastening screw (312) has a lower washer (318) at its end, and the lower washer (318) is in clearance fit with the groove (309).

6. A sealing machine pressing device for convenient mold replacement according to claim 1, characterized in that, Both the transverse fastening edge (102) and the longitudinal fastening edge (103) are provided with strip grooves (104) along the length direction. The end of the longitudinal fastening edge (103) is fixed to the transverse fastening edge (102) by fasteners and strip grooves (104). The four corners of the mold base (504) are fixed to the longitudinal fastening edge (103) by fasteners and strip grooves (104).

7. A sealing machine pressing device for convenient mold replacement according to claim 1, characterized in that, The upper mold body (501) is provided with a heat-sealing connector (505), and the top of the connecting plate (301) is fixed with an adapter (319). The heat-sealing connector (505) is electrically connected to the adapter (319), and the adapter (319) is electrically connected with a quick connector (320) via a flexible wire.

8. A sealing machine pressing device for convenient mold replacement according to claim 1, characterized in that, The front side of the storage seat (1) is provided with a folded edge (105), and the rear side of the storage seat (1) is provided with a connecting area.

9. A sealing machine pressing device for convenient mold replacement according to claim 1, characterized in that, The storage base (1) is provided with a hole (106), and the lower mold body (502) is disposed on the storage base (1) and cooperates with the hole (106).

Images