Lower die structure of packaging machine

Abstract

The invention relates to the technical field of packaging machines, and discloses a lower die structure of a packaging machine, which comprises a rack, a lower die mechanism is arranged on the rack, a first locking mechanism for locking the lower die mechanism is arranged on the rack, the first locking mechanism comprises a locking plate arranged on the rack, and a second locking plate is arranged on the rack. A storage groove is formed in the upper end face of the locking plate, a locking column is arranged in the storage groove, a mounting frame is arranged on the machine frame, the lower die mechanism comprises a lower die plate arranged on the mounting frame in a sliding mode, a lower die base is arranged above the lower die plate, and a locking groove allowing the locking column to be inserted is formed in the lower end face of the lower die plate. The first locking mechanism further comprises a lifting assembly used for driving the locking plate to ascend and descend. The lower die locking mechanism has the effect that the time needed for locking the lower die mechanism can be saved.

Description

Technical Field

[0001] The present application relates to the technical field of packaging machines, and in particular to a lower mold structure of a packaging machine. Background Art

[0002] With the development of the times, the demand for packaging machines is getting higher and higher.

[0003] A packaging machine in the related art includes a frame on which a lower mold mechanism is arranged.

[0004] After the lower mold mechanism is installed on the frame, the staff needs to lock the lower mold mechanism and the frame with tools and bolts, which increases the assembly time of the lower mold mechanism and needs to be improved. Summary of the invention

[0005] In order to reduce the installation time of a lower mold mechanism, the present application provides a lower mold structure of a packaging machine.

[0006] The present application provides a lower mold structure of a packaging machine, which adopts the following technical solution: A lower mold structure of a packaging machine comprises a frame, a lower mold mechanism is arranged on the frame, a first locking mechanism for locking the lower mold mechanism is arranged on the frame, the first locking mechanism comprises a locking plate arranged on the frame, a storage groove is provided on the upper end surface of the locking plate, a locking column is arranged in the storage groove, a mounting frame is arranged on the frame, the lower mold mechanism comprises a lower template slidably arranged on the mounting frame, a lower mold seat is arranged above the lower template, a locking groove for inserting the locking column is provided on the lower end surface of the lower template, and the first locking mechanism also comprises a lifting component for driving the locking plate to rise and fall.

[0007] By adopting the above technical solution, the lower mold mechanism is installed on the frame, and the lifting component drives the locking plate and the locking column to rise, so that the locking column is inserted into the locking groove, the lower template is locked, and the lower mold mechanism and the frame are locked; conversely, the lifting component drives the locking column to disengage from the locking groove, and the lower mold mechanism is unlocked, which is convenient for the staff to replace the lower mold mechanism, thereby realizing the rapid disassembly and assembly of the lower mold mechanism and saving the time required for locking the lower mold mechanism.

[0008] Optionally, a stopper is provided on the lower end surface of the lower template, and the locking column is located on a path along which the stopper moves in the width direction of the frame.

[0009] By adopting the above technical solution, during the horizontal movement of the lower mold mechanism, when the block collides with the locking column, the lower mold mechanism is restricted from continuing to move, thereby playing a limiting role. At this time, the locking groove is aligned with the locking column, making it easy for the locking column to rise and be inserted into the locking groove.

[0010] Optionally, a roller is rotatably connected below the lower template, and the roller can contact the upper end surface of the mounting frame.

[0011] By adopting the above technical solution, the lower mold mechanism is moved by rolling wheels, which reduces the wear of the lower mold plate and saves labor compared to the direct sliding of the lower mold plate with the mounting frame.

[0012] Optionally, the lifting assembly includes a support frame arranged below the frame, a lifting plate is arranged below the support frame, a second connecting rod is rotatably connected to the lifting plate, a first connecting rod is rotatably connected to the support frame, the first connecting rod and the second connecting rod are hingedly connected, a support block is arranged on the side of the support frame, a push rod is passed through the support block, the lower end of the push rod is connected to the lifting plate, the upper end of the push rod is connected to the locking plate, and a rotating driving source capable of driving the first connecting rod to rotate is arranged on the support frame.

[0013] By adopting the above technical solution, the rotary drive source drives the first connecting rod to rotate, and the first connecting rod drives the second connecting rod, the lifting plate and the push rod to move and rise together, and the push rod drives the locking plate and the locking column to rise, so that the locking column is inserted into the locking groove to lock the lower mold mechanism; when the locking column has locked the locking plate, the rotary drive source continues to drive the lifting plate and the push rod to rise, so that the lower mold mechanism can rise, and the lower mold mechanism and the upper mold mechanism can perform a mold closing action. Conversely, the rotary drive source drives the lifting plate and the push rod to descend, so that the upper mold mechanism and the lower mold mechanism can perform a mold opening action.

[0014] Optionally, the upper end surface of the push rod is provided with an inflation groove, the outer circumferential surface of the push rod is provided with an inflation hole connected to the inflation groove, the lower end surface of the lower mold plate is provided with a through hole that can be connected to the inflation groove, and the lower end surface of the lower mold base is provided with an inflation channel that can be connected to the through hole.

[0015] By adopting the above technical solution, the rotary driving source drives the first connecting rod to rotate, the first connecting rod drives the second connecting rod and the lifting plate to rise, the lifting plate drives the push rod to rise, so that the push rod abuts against the lower template, and the installation groove is connected with the perforation, and air can be inflated into the lower mold base through the inflation hole, inflation groove, perforation and inflation channel.

[0016] Optionally, a second locking mechanism for locking the lower mold mechanism is provided on the frame, and the second locking mechanism includes a lifting cylinder arranged on the support frame, and the lifting cylinder includes a sliding block that can be lifted and lowered, and a locking rod is provided on the upper end surface of the sliding block, and a locking hole is opened on the lower end surface of the lower mold plate, and the upper end of the locking rod passes through the frame and the locking plate, and the upper end of the locking rod can be inserted into the locking hole.

[0017] By adopting the above technical solution, the lifting cylinder drives the sliding rod and the locking rod to rise, so that the locking rod is inserted into the locking hole, and the locking rod locks the lower mold plate, making it difficult for the lower mold mechanism to move horizontally.

[0018] Optionally, a lower mold cavity is provided in the lower mold base, a material supporting piece is arranged in the lower mold cavity, a plug hole which can be connected with the locking hole is provided on the lower inner wall of the lower mold cavity, and the locking rod can abut against the bottom of the material supporting piece.

[0019] By adopting the above technical solution, the material supporting member can support the supporting box, and the lifting of the locking rod can drive the material supporting member to lift and lower, so that the supporting box abuts against the packaging film, making it convenient for the packaging mechanism to heat-seal the supporting box and the packaging film; conversely, the lifting cylinder can drive the locking rod and the material supporting member to descend.

[0020] Optionally, a handle is provided on the side of the lower mold base.

[0021] By adopting the above technical solution, it is convenient for workers to move the lower mold mechanism horizontally through the handle.

[0022] Optionally, a vacuum joint is provided on the lifting plate, a vacuum tube is provided at the upper end of the vacuum joint, an operating hole for inserting the vacuum tube is provided on the lower end surface of the locking plate, a vacuum channel connected to the lower mold cavity is provided on the lower end surface of the lower mold base, and an air hole connected to the vacuum channel is provided on the lower end surface of the lower mold plate; when the locking plate abuts against the lower mold plate, the air hole can be connected to the operating hole.

[0023] By adopting the above technology, when the lifting assembly drives the lifting plate, vacuum joint, vacuum tube and locking plate to rise together, when the locking plate abuts against the lower mold plate, the operating hole and the vent hole are connected, so that the vacuum equipment performs a vacuum operation on the lower mold mechanism through the vacuum joint, vacuum tube, operating hole, vent hole and vacuum channel.

[0024] In summary, the present application includes at least one of the following beneficial technical effects: 1. Install the lower mold mechanism on the frame, and the lifting assembly drives the locking plate and the locking column to rise, so that the locking column is inserted into the locking groove to lock the lower template, thereby locking the lower mold mechanism and the frame; conversely, the lifting assembly drives the locking column to disengage from the locking groove to release the lock of the lower mold mechanism, making it easier for the staff to replace the lower mold mechanism, thereby realizing the rapid disassembly and assembly of the lower mold mechanism and saving the time required for locking the lower mold mechanism; 2. Using the ejector pin for the inflation process and the vacuum tube for the exhaust process is conducive to simplifying the upper mold mechanism of the packaging machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0026] Figure 1 It is a schematic diagram of the structure of the whole packaging machine; Figure 2 is a structural schematic diagram highlighting the first locking mechanism; Figure 3 It is a structural diagram highlighting the lower die mechanism; Figure 4 is along Figure 2 Sectional view along line AA; Figure 5 yes Figure 4 A magnified schematic diagram of part B; Figure 6 It is a structural schematic diagram highlighting the lifting assembly; Figure 7 is along Figure 2 Partial cross-sectional view along the CC line.

[0027] Figure numerals: 1, frame; 11, workbench; 12, mounting frame; 121, mounting bar; 122, mounting column; 2, lower mold mechanism; 21, lower mold plate; 211, storage hole; 212, roller; 213, locking groove; 214, perforation; 215, locking hole; 22, lower mold base; 221, handle; 222, lower mold cavity; 223, lower mold hole; 224, jack; 225, stopper; 226, inflation channel; 23, support member; 231, support bar; 232, support block; 233, support column; 3, first locking mechanism; 31, locking Plate; 311, storage slot; 312, operating hole; 313, linkage joint; 32, locking column; 33, lifting assembly; 331, support frame; 332, lifting plate; 3321, fixing hole; 3322, rotating shaft; 333, first connecting rod; 3331, linkage rod; 334, second connecting rod; 335, rotation driving source; 336, supporting block; 337, push rod; 3371, inflation slot; 3372, inflation hole; 4, second locking mechanism; 41, lifting cylinder; 411, slider; 42, locking rod; 5, vacuum tube; 51, vacuum joint. DETAILED DESCRIPTION

[0028] The following is combined with Figure 1-7 This application is described in further detail.

[0029] This embodiment discloses a lower mold structure of a packaging machine. Figure 1A lower mold structure of a packaging machine includes a frame 1, and the frame 1 includes a workbench 11. A lower mold mechanism 2 is arranged on the workbench 11.

[0030] Reference Figure 1 and Figure 2 The upper end surface of the workbench 11 is provided with two mounting frames 12. The mounting frame 12 includes a mounting bar 121 and a mounting column 122. The lower part of the mounting bar 121 is fixedly connected to the mounting column 122, and the lower end surface of the mounting column 122 is fixedly connected to the upper end surface of the workbench 11.

[0031] Reference Figure 3 and Figure 4 The lower mold mechanism 2 includes a lower mold plate 21, a lower mold base 22 and a material support 23. A storage hole 211 is provided on the lower end surface of the lower mold plate 21, and a roller 212 is rotatably connected in the storage hole 211, and the roller 212 abuts against the upper end surface of the mounting bar 121.

[0032] Reference Figure 2 and Figure 4 The lower die base 22 is fixedly connected to the upper end surface of the lower die plate 21. A handle 221 is fixedly connected to one end of the lower die base 22 in the width direction. A lower die cavity 222 is provided in the lower die base 22. Six lower die holes 223 are provided on the upper end surface of the lower die base 22. The six lower die holes 223 are arranged in an array along the length direction of the lower die base 22, and the six lower die holes 223 are all connected to the lower die cavity 222. In other embodiments, the lower die holes 223 can also be set to four, five or other numbers.

[0033] Reference Figure 4 and Figure 5 The support member 23 is arranged in the lower mold cavity 222. The support member 23 includes a support strip 231 and a support block 232. The number of the support blocks 232 is the same as the number of the lower mold holes 223, and the lower end faces of the six support blocks 232 are fixedly connected to the upper end face of the support strip 231. The lower inner wall of the lower mold cavity 222 is provided with two insertion holes 224, and the two insertion holes 224 are distributed along the length direction of the support strip 231. Two support columns 233 are plugged into the support strip 231, and the two support columns 233 are respectively inserted into one insertion hole 224.

[0034] Reference Figure 4 and Figure 5 The workbench 11 is provided with a first locking mechanism 3 and a second locking mechanism 4. The first locking mechanism 3 is used to lock the lower mold mechanism 2 and can drive the lower mold mechanism 2 to rise and fall. The first locking mechanism 3 includes a locking plate 31, a locking column 32 and a lifting assembly 33. The locking plate 31 is arranged between the lower mold plate 21 and the workbench 11. Two storage slots 311 are provided on the upper end surface of the locking plate 31.

[0035] Reference Figure 3 and Figure 5There are two locking posts 32, and each of the two locking posts 32 is inserted into a storage slot 311. The lower end surface of the lower template 21 is provided with two locking slots 213, and the locking slots 213 can be inserted into the locking posts 32.

[0036] Reference Figure 3 and Figure 5 The lower end surface of the lower template 21 is fixedly connected with a stopper 225. The locking post 32 is located on the path of the stopper 225 moving along the width direction of the workbench 11. When the stopper 225 abuts against the locking post 32, the locking groove 213 is aligned with the locking groove 213, which is conducive to the lifting assembly 33 driving the locking plate 31 and the locking post 32 to rise, so that the locking post 32 is inserted into the locking groove 213.

[0037] Reference Figure 4 and Figure 6 The lifting assembly 33 includes a support frame 331, a lifting plate 332, a first connecting rod 333, a second connecting rod 334, a rotation driving source 335, a supporting block 336 and a push rod 337.

[0038] Reference Figure 4 and Figure 6 The support frame 331 is fixedly connected to the lower end surface of the workbench 11. The support frame 331 includes two support plates, and the two support plates are parallel to each other. The end surfaces of the two support plates close to each other are rotatably connected to a first connecting rod 333, and a linkage rod 3331 is provided between the two first connecting rods 333 to connect the two.

[0039] Reference Figure 6 The lifting plate 332 is disposed below the support frame 331. A fixing hole 3321 is provided on the upper end surface of the lifting plate 332. A rotating shaft 3322 is rotatably connected in the fixing hole 3321. The second connecting rod 334 is sleeved outside the rotating shaft 3322. The second connecting rod 334 is rotatably connected to the first connecting rod 333.

[0040] Reference Figure 4 and Figure 6 The rotation driving source 335 is used to drive the first connecting rod 333 to rotate. The rotation driving source 335 adopts a stepping motor. The stepping motor is fixedly connected to the end surface of the support plate away from the first connecting rod 333, and the output shaft of the stepping motor is fixedly connected to the first connecting rod 333.

[0041] Reference Figure 4 and Figure 7, the end surfaces of the two support plates that are away from each other are fixedly connected to two support blocks 336. A push rod 337 is penetrated on each support block 336. The lower end surface of the push rod 337 is fixedly connected to the upper end surface of the lifting plate 332. The upper end of the push rod 337 passes through the workbench 11. An operation hole 312 is opened on the upper end surface of the locking plate 31, and a linkage joint 313 is penetrated in the operation hole 312. The lower end of the linkage joint 313 is connected to the push rod 337, so that the locking plate 31, the linkage joint 313 and the push rod 337 can be lifted and lowered synchronously.

[0042] Reference Figure 4 , Figure 6 and Figure 7 The upper end surface of the push rod 337 is provided with an air filling groove 3371, so that the linkage joint 313 is connected to the air filling groove 3371. The outer circumferential surface of the push rod 337 is provided with an air filling hole 3372, and the air filling hole 3372 is connected to the air filling groove 3371. The lower end surface of the lower mold plate 21 is provided with a through hole 214, and when the lower mold plate 21 abuts against the locking plate 31, the through hole 214 can be connected to the air filling groove 3371. The lower end surface of the lower mold base 22 is provided with an air filling channel 226, one end of the air filling channel 226 is connected to the through hole 214, and the other end of the air filling channel 226 is connected to the lower mold hole 223.

[0043] Reference Figure 4 and Figure 6 The second locking mechanism 4 is provided with two, and the two second locking mechanisms 4 are symmetrically distributed about the vertical center axis of the support frame 331. The second locking mechanism 4 is used to lock the lower mold mechanism 2 and can drive the support member 23 to rise and fall. The second locking mechanism 4 includes a lifting cylinder 41 and a locking rod 42.

[0044] Reference Figure 6 and Figure 7 The lifting cylinder 41 is fixedly connected to the end face of the support block 336 away from the support plate. The lifting cylinder 41 is a rodless cylinder. The lifting cylinder 41 includes a slider 411, and the slider 411 can move in the vertical direction. The locking rod 42 is fixedly connected to the upper end face of the slider 411.

[0045] Reference Figure 5 and Figure 6 The lower end surface of the lower mold plate 21 is provided with two locking holes 215, and the locking holes 215 are aligned with the insertion holes 224. The locking rod 42 can be inserted into the locking holes 215 and the insertion holes 224. When the locking rod 42 is inserted into the locking hole 215, the locking rod 42 locks the lower mold mechanism 2. When the locking rod 42 contacts the supporting column 233, the lifting cylinder 41 can drive the supporting member 23 to perform a lifting action.

[0046] Reference Figure 4The upper end surface of the lifting plate 332 is fixedly connected with a vacuum joint 51, and the vacuum joint 51 can be connected to the pipeline of the vacuum equipment. A vacuum tube 5 is connected above the vacuum joint 51. An operation hole 312 is provided on the lower end surface of the locking plate 31, and the operation hole 312 can be inserted into the vacuum tube 5. A vacuum channel is provided on the lower end surface of the lower mold base 22, and the vacuum channel is connected to the lower mold cavity 222. A vent is provided on the lower end surface of the lower mold plate 21, and the vent is connected to the vacuum channel. When the locking plate 31 abuts against the lower mold plate 21, the vent is connected to the operation hole 312.

[0047] The implementation principle of the lower mold structure of a packaging machine in the embodiment of the present application is as follows: first, the lower mold mechanism 2 is placed on the mounting bar 121, and the lower mold mechanism 2 is driven to move in the horizontal direction until the stop block 225 abuts against the locking column 32; secondly, the rotation driving source 335 is started, and the rotation driving source 335 drives the first connecting rod 333 to rotate, and the first connecting rod 333 drives the second connecting rod 334, the lifting plate 332, the push rod 337, the locking plate 31 and the locking column 32, so that the locking column 32 is inserted into the locking groove 213, and the lower mold plate 21 and the lower mold base 22 are limited and locked; then, the lifting cylinder 41 is started, and the lifting cylinder 41 drives the slider 411 and the push rod 337 to rise, so that the push rod 337 is inserted into the locking hole 215, and the lower mold plate 21 and the lower mold base 22 are further limited, and the lower mold mechanism 2 is locked.

[0048] Unless otherwise defined, the technical terms or scientific terms used in this application should be understood by people with ordinary skills in the field to which this application belongs. The words "first", "second", "third" and similar words used in the specification and claims of this application do not indicate any order, quantity or importance, but are only used to distinguish different components. "One" or "one" and similar words do not indicate a quantitative limit, but indicate that there is at least one. "Include" or "comprise" and similar words mean that the elements or objects appearing before "include" or "comprise" include the elements or objects listed after "include" or "comprise" and their equivalents, and do not exclude other elements or objects. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0049] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions, improvements, etc. made within the design concept of the present application should be included in the protection scope of the present application.

Claims

1. A lower mold structure of a packaging machine, comprising a frame (1), characterized in that: The frame (1) is provided with a lower mold mechanism (2), the frame (1) is provided with a first locking mechanism (3) for locking the lower mold mechanism (2), the first locking mechanism (3) comprises a locking plate (31) arranged on the frame (1), the upper end surface of the locking plate (31) is provided with a storage groove (311), a locking column (32) is arranged in the storage groove (311), a mounting frame (12) is provided on the frame (1), the lower mold mechanism (2) comprises a lower mold plate (21) slidably arranged on the mounting frame (12), a lower mold base (22) is provided above the lower mold plate (21), a locking groove (213) capable of being inserted into the locking column (32) is provided on the lower end surface of the lower mold plate (21), and the first locking mechanism (3) further comprises a lifting component (33) for driving the locking plate (31) to rise and fall.

2. The lower mold structure of a packaging machine according to claim 1, characterized in that: A stopper (225) is provided on the lower end surface of the lower template (21), and the locking column (32) is located on a path along which the stopper (225) moves in the width direction of the frame (1).

3. The lower mold structure of a packaging machine according to claim 1, characterized in that: A roller (212) is rotatably connected to the lower portion of the lower template (21), and the roller (212) is capable of contacting the upper end surface of the mounting frame (12).

4. The lower mold structure of a packaging machine according to claim 1, characterized in that: The lifting assembly (33) comprises a support frame (331) arranged below the frame (1); a lifting plate (332) is arranged below the support frame (331); a second connecting rod (334) is rotatably connected to the lifting plate (332); a first connecting rod (333) is rotatably connected to the support frame (331); the first connecting rod (333) is hinged to the second connecting rod (334); a support block (336) is arranged on the side of the support frame (331); a push rod (337) is passed through the support block (336); the lower end of the push rod (337) is connected to the lifting plate (332); the upper end of the push rod (337) is connected to the locking plate (31); and a rotation driving source (335) capable of driving the first connecting rod (333) to rotate is arranged on the support frame (331).

5. The lower mold structure of a packaging machine according to claim 4, characterized in that: The upper end surface of the push rod (337) is provided with an air filling groove (3371), the outer circumferential surface of the push rod (337) is provided with an air filling hole (3372) connected to the air filling groove (3371), the lower end surface of the lower mold plate (21) is provided with a through hole (214) that can be connected to the air filling groove (3371), and the lower end surface of the lower mold base (22) is provided with an air filling channel (226) that can be connected to the through hole (214).

6. The lower mold structure of a packaging machine according to claim 1, characterized in that: The frame (1) is provided with a second locking mechanism (4) for locking the lower mold mechanism (2), the second locking mechanism (4) comprising a lifting cylinder (41) arranged on the support frame (331), the lifting cylinder (41) comprising a sliding block (411) capable of lifting and lowering, the upper end surface of the sliding block (411) being provided with a locking rod (42), the lower end surface of the lower mold plate (21) being provided with a locking hole (215), the upper end of the locking rod (42) passing through the frame (1) and the locking plate (31), the upper end of the locking rod (42) being capable of being inserted into the locking hole (215).

7. The lower mold structure of a packaging machine according to claim 6, characterized in that: A lower die cavity (222) is provided in the lower die seat (22), a material supporting piece (23) is arranged in the lower die cavity (222), a plug hole (224) capable of communicating with the locking hole (215) is provided on the lower inner wall of the lower die cavity (222), and the locking rod (42) can abut against the lower side of the material supporting piece (23).

8. The lower mold structure of a packaging machine according to claim 1, characterized in that: A handle (221) is provided on the side of the lower die base (22).

9. The lower mold structure of a packaging machine according to claim 4, characterized in that: The lifting plate (332) is provided with a vacuum joint (51), the upper end of the vacuum joint (51) is provided with a vacuum tube (5), the lower end surface of the locking plate (31) is provided with an operating hole (312) capable of inserting the vacuum tube (5), the lower end surface of the lower mold base (22) is provided with a vacuum channel connected to the lower mold cavity (222), and the lower end surface of the lower mold plate (21) is provided with a vent hole connected to the vacuum channel; when the locking plate (31) is in contact with the lower mold plate (21), the vent hole can be connected to the operating hole (312).

Images