Round paper cover forming equipment

Abstract

The invention discloses a circular paper cover forming device, comprising a frame, characterized in that: the frame is provided with a first rotating disk, the first rotating disk is provided with a mold base at equal intervals in the circumferential direction, the mold base comprises a rotating inner mold sleeved with a paper feeding ring and a lifting outer mold for separating the paper ring from the inner mold, the lifting outer mold is sleeved on the rotating inner mold; the mold base is sequentially connected with a paper feeding ring device, a surface paper feeding device, an oiling and glue spraying device, a bottom folding device, a knurling device and a cover discharging device as the first rotating disk is conveyed. The invention has a reasonable layout, fast forming, and the circular paper cover structure is stable.

Description

Technical Field

[0001] The invention relates to an improved invention in the field of paper cover forming, and in particular to an improved invention of a circular paper cover forming device. Background Art

[0002] With the development of the catering industry, the demand for paper cups and other containers is increasing, and paper covers are needed in many occasions. In the existing paper cover production process, in order to enhance the strength of the paper and the final shaping, multiple processes are required, which not only makes the structure of the automated production and shaping device complex, but also increases the production cost of the product. Summary of the invention

[0003] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a circular paper cover forming device with reasonable structure and fast forming.

[0004] In order to solve the above technical problems, the present invention is implemented by adopting the following technical scheme: the circular paper cover forming equipment includes a frame, characterized in that: the frame is provided with a first turntable, and mold bases are circumferentially evenly spaced on the first turntable, the mold base includes a rotating inner mold sleeved with a paper feeding ring and a lifting outer mold for separating the paper ring from the inner mold, and the lifting outer mold is sleeved on the rotating inner mold; the mold base is connected with a paper feeding ring device, a surface paper feeding device, an oiling and gluing device, a bottom folding device, a knurling device and a cover discharging device in sequence with the transmission of the first turntable.

[0005] The paper ring feeding device includes a conveying platform and a conveying disk connected to each other. The outer periphery of the conveying disk is provided with conveying grooves at equal intervals. The outer periphery of the conveying disk is also provided with a conveying guide plate. The conveying grooves and the conveying guide plate cooperate with each other to convey the paper ring. The conveying front end of the conveying platform cooperates with the conveying groove at the inlet end of the conveying disk to transfer the paper ring. A liftable poking component is provided above the conveying disk. The poking component corresponds to the conveying groove at the outlet end of the conveying disk to poke the paper ring onto the mold base.

[0006] The conveying guide plate comprises a connected lower supporting slide plate and an outer limiting arc plate.

[0007] The facial paper feeding device includes a second rotating disk, on which facial paper forming slots are arranged at equal intervals, and an inner step is arranged in the facial paper forming slot, and a folding opening is formed at the inner step. The second rotating disk is provided with a facial paper feeding station, a facial paper guiding station and a facial paper forming station in sequence; the facial paper feeding station includes a facial paper storage rack arranged above the second rotating disk and a lifting and adsorption component arranged below the second rotating disk, and a paper outlet is arranged at the lower end of the facial paper storage rack, and the lifting and adsorption component sucks the facial paper to the facial paper forming slot corresponding to the paper outlet; the facial paper guiding station includes a first lifting and pressing rod arranged above the second rotating disk, and the first lifting and pressing rod cooperates with the facial paper guiding on the facial paper forming slot; the facial paper forming station includes a first lifting and pressing plate and a second lifting and pressing plate arranged above the second rotating disk, the first lifting and pressing plate cooperates with the facial paper forming slot to press the facial paper into the folding opening to complete the folding, and the second lifting and pressing plate cooperates with the facial paper forming slot to press the facial paper with the folded edge completed into the paper ring on the mold base.

[0008] The bottom folding device includes a pre-folding mechanism and a final folding mechanism, both of which include a liftable bottom folding upper mold and a first driving component, a groove is provided on the bottom folding upper mold, the inner wall of the groove is inclined outward to form a guide surface, an R-shaped bottom folding groove is provided at the bottom of the groove corresponding to the lower end of the guide surface, the R-shaped bottom folding groove of the pre-folding mechanism has a pre-folding R angle, the R-shaped bottom folding groove of the final folding mechanism has a final folding R angle, the pre-folding R angle is smaller than the final folding R angle, and the first driving component drives the outer mold to rise and fall.

[0009] A pressing device is connected between the bottom folding device and the knurling device.

[0010] The edge pressing device includes a liftable edge pressing upper die, a edge pressing groove is provided on the edge pressing upper die, a guide arc surface is provided at the end of the edge pressing groove, an extrusion block is provided in the edge pressing groove, the extrusion block is movably arranged in the edge pressing groove through an elastic part, and the extrusion block cooperates with the inner wall of the edge pressing groove to perform edge pressing.

[0011] A water injection line forming device is connected between the knurling device and the capping device.

[0012] The water injection line forming device includes a disc-shaped creasing knife, a positioning plate and a second driving component. The disc-shaped creasing knife is rotatably arranged on a knife seat. The knife seat is movably arranged to make the disc-shaped creasing knife cooperate with the creasing groove on the mold seat. The second driving component drives the mold seat to rotate. The positioning plate can be raised and lowered and arranged above the mold seat to position the paper ring.

[0013] The cover discharging device comprises a conveyor belt, an arc scraper and a third driving component. The arc scraper is movably arranged, and the arc scraper is connected with the inlet end of the conveyor belt to scrape the paper cover on the mold base into the conveyor belt. The third driving component drives the outer mold to rise and fall.

[0014] The beneficial effects of the present invention are that the improved circular paper cover forming equipment realizes the water injection line forming of the paper ring, the facial paper forming, and the fixing of the paper ring and the facial paper by spraying glue, folding the bottom, pressing the edge, and knurling. The overall layout of the equipment is reasonable, and the circular paper cover can be formed quickly and stably, and the circular paper cover is stable in structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The specific implementation modes of the present invention are further described in detail below with reference to the accompanying drawings.

[0016] Figure 1 It is a structural schematic diagram of the present invention.

[0017] Figure 2 Another view of the structure of the present invention.

[0018] Figure 3 It is a structural diagram of the paper feeding circle device of the present invention.

[0019] Figure 4 It is a structural diagram of the facial paper feeding device of the present invention.

[0020] Figure 5 It is a structural diagram of the bottom folding device of the present invention.

[0021] Figure 6 It is a structural diagram of the folding bottom upper mold of the present invention.

[0022] Figure 7 It is a structural diagram of the edge pressing device and the knurling device of the present invention.

[0023] Figure 8 It is a structural diagram of the edge pressing upper die of the present invention.

[0024] Fig. 9 It is a structural diagram of the water injection line forming device of the present invention.

[0025] Fig.10 It is a structural diagram of the cover ejecting device of the present invention. DETAILED DESCRIPTION

[0026] The accompanying drawings show the structure of the present invention, and the relevant details are further described below in conjunction with the accompanying drawings. Figure 1 and attached Figure 2 The circular paper cover forming device comprises a frame, a first rotating disc 1 is arranged on the frame, and a die base 11 is arranged at equal intervals in the circumferential direction on the first rotating disc 1. The die base 11 comprises a rotating inner die 12 sleeved with a paper feeding ring and a lifting outer die 13 for separating the paper ring from the inner die 12. The lifting outer die 13 is sleeved on the rotating inner die 12. The die base 11 is connected with a paper feeding ring device 2, a surface paper feeding device 3, an oiling and gluing device 4, a bottom folding device 6, a knurling device 8 and a cover discharging device 10 in sequence with the transmission of the first rotating disc 1. The oiling and gluing device 4 and the knurling device 8 are prior art and will not be described in detail here.

[0027] See attached Figure 3 The paper feeding ring device 2 includes a conveying platform 21 and a conveying disc 22 connected to each other. The conveying platform 21 is a conveyor belt. The outer periphery of the conveying disc 22 is provided with conveying grooves 23 at equal intervals. The outer periphery of the conveying disc 22 is also provided with a conveying guide plate 24. The conveying guide plate 24 includes a connected lower supporting slide plate 25 and an outer limiting arc plate 26. The lower supporting slide groove is placed below the conveying groove to support the paper ring. The outer limiting arc plate is placed outside the paper ring. A brush is provided on the outer limiting arc plate 26 for supporting the paper ring and reducing Less wear, the conveying groove 23 and the conveying guide plate 24 cooperate with each other to convey the paper ring, the conveying front end of the conveying platform 21 and the conveying groove 23 at the inlet end of the conveying disc 22 cooperate with each other to transfer the paper ring, and a liftable poking component 27 is provided above the conveying disc 22. The poking component 27 corresponds to the conveying groove 23 at the outlet end of the conveying disc 22 to poke the paper ring onto the mold base 11. The poking component 27 includes a connected poking disc and a poking rod, and the poking rod is driven to rise and fall by a cylinder or a transmission connecting rod.

[0028] When the paper ring feeding device 2 is working, the conveying platform 21 conveys the paper ring to the conveying groove 23 at the entrance end of the conveying disk 22. As the conveying disk 22 rotates, the paper ring is conveyed by the conveying groove 23 and the conveying guide plate 24 in cooperation with each other. As the conveying groove 23 rotates to the exit end of the conveying disk 22, the poking component 27 descends to poke the paper ring onto the inner mold 12 of the mold base 11.

[0029] See attached Figure 4The facial paper feeding device 3 includes a second turntable 31, and facial paper forming slots 32 are arranged at equal intervals on the second turntable 31. The facial paper forming slots 32 are provided with inner steps 33, and the inner steps 33 form a folding edge 34. The second turntable 31 is provided with a facial paper feeding station 35, a facial paper guiding station 36 and a facial paper forming station 37 in sequence; the facial paper feeding station 35 includes a facial paper storage rack 351 arranged above the second turntable 31 and a lifting adsorption component 352 arranged below the second turntable 31. The lifting adsorption component 352 includes a suction nozzle assembly, an air source and a power source. The power source is a lifting cylinder or a cam connecting rod. The lower end of the facial paper storage rack 351 is provided with The paper outlet 353, the lifting and sucking component 352 corresponds to the paper outlet 353 to suck the facial paper to the facial paper forming slot 32; the facial paper guiding station 36 includes a first lifting and pressing rod 361 arranged above the second rotating disk 31, and the first lifting and pressing rod 361 cooperates with the facial paper guiding on the facial paper forming slot 32; the facial paper forming station 37 includes a first lifting and pressing plate 371 and a second lifting and pressing plate 372 arranged above the second rotating disk 31, the first lifting and pressing plate 371 cooperates with the facial paper forming slot 32 to press the facial paper into the folding opening 34 to complete the folding, and the second lifting and pressing plate 372 presses the facial paper with the folded edge into the paper ring on the mold base 11. The first and second lifting and pressing plates both include a pressing plate and a rod body, and the rod body is driven to rise and fall by a cylinder or a transmission connecting rod.

[0030] When the tissue paper feeding device 3 is working, the lifting and adsorption component 352 rises to suck out the tissue paper from the paper outlet 353 of the tissue paper storage rack 351, and then the lifting and adsorption component 352 descends to release the tissue paper into the tissue paper forming groove 32 of the second turntable 31, and then the first lifting and pressing rod 361 presses the tissue paper downward to guide the tissue paper in the tissue paper forming groove 32 to correct the deviation caused when the tissue paper is placed, and then the first lifting and pressing plate 371 descends to press the tissue paper into the folding opening 34 to complete the folding, and the second lifting and pressing plate 372 descends to press the folded tissue paper into the paper ring on the mold base 11.

[0031] See attached Figure 5 and attached Figure 6 The bottom folding device 6 includes a pre-folding mechanism 61 and a final folding mechanism 62. The pre-folding mechanism 61 and the final folding mechanism 62 both include a liftable bottom folding upper mold 63 and a first driving component. The bottom folding upper mold 63 is lifted and lowered by a cam connecting rod component. A groove 64 is provided on the bottom folding upper mold 63. The inner wall of the groove 64 is inclined outward to form a guide surface 65. An R-shaped bottom folding groove 66 is provided at the bottom of the groove 64 corresponding to the lower end of the guide surface 65. The R-shaped bottom folding groove 66 of the pre-folding mechanism 61 has a pre-folding R angle, and the R-shaped bottom folding groove 66 of the final folding mechanism 62 has a final folding R angle. The pre-folding R angle is smaller than the final folding R angle. The first driving component drives the outer mold 13 to lift and lower. The first driving component is a lifting push rod driven by a cylinder or a transmission connecting rod. The lifting push rod cooperates with the lower end of the outer mold 13 in transmission.

[0032] When the bottom folding device 6 is working, the bottom folding upper mold 63 descends, and the upper end of the paper ring enters the bottom folding groove 66 for folding under the guidance of the guide surface 65 of the groove 64. The folded bottom of the paper ring covers the folded edge of the surface paper, and the corresponding first driving component drives the outer mold 13 to rise. The outer mold 13 rises and supports the paper ring. The paper ring is pre-folded in the pre-folding mechanism 61 and final-folded in the final-folding mechanism 62. The folding is performed in steps, which is reasonable and stable.

[0033] See attached Figure 7 and attached Figure 8 A pressing device 7 is connected between the bottom folding device 6 and the knurling device 8; the pressing device 7 includes a liftable pressing upper die 71, a pressing groove 72 is provided on the pressing upper die 71, a guide arc surface 73 is provided at the end of the pressing groove 72, an extrusion block 74 is provided in the pressing groove 72, and the extrusion block 74 is movably arranged in the pressing groove 72 through an elastic member 75, the elastic member 75 is a spring, and the extrusion block 74 cooperates with the inner wall of the pressing groove 72 to perform pressing.

[0034] When the edge pressing device 7 is working, the edge pressing upper die 71 descends, and the upper end of the folded paper ring enters between the inner wall of the edge pressing groove 72 and the extrusion block 74 under the guidance of the guide arc surface 73 at the end of the edge pressing groove 72. The extrusion block 74 rises to overcome the elastic force of the elastic member 75 and squeezes the upper section of the paper ring, so that the upper section of the paper ring has a slightly smaller outer diameter than the lower section of the paper ring, which is convenient for the subsequent curling forming.

[0035] See attached Fig. 9 A water injection line forming device 9 is connected between the knurling device 8 and the capping device 10; the water injection line forming device 9 includes a disc-shaped indentation knife 91, a positioning plate 92 and a second driving component 93. The disc-shaped indentation knife 91 is rotatably set on a knife seat 94. The knife seat can be movably set to make the disc-shaped indentation knife 91 cooperate with the indentation groove 95 on the mold seat 11. The knife seat is driven by a cam connecting rod. The second driving component 93 drives the inner mold to rotate. The second driving component 93 is a transmission rubber wheel. The corresponding lower end of the inner mold is provided with a matching driven rubber wheel. The positioning plate 92 can be raised and lowered and is set above the mold seat 11 to position the paper ring. The positioning plate 92 is raised and lowered by a cylinder or a cam connecting rod.

[0036] When the water injection line forming device 9 is working, the knife seat moves so that the disc-shaped indentation knife 91 fits the indentation groove on the mold seat 11, and the corresponding positioning plate 92 descends to press the paper ring to position it. The second driving component 93 drives the inner mold to rotate, so that the disc-shaped indentation knife 91 and the indentation groove cooperate with each other to indent the outer peripheral wall of the paper ring to form a water injection line.

[0037] See attached Fig.10The cover discharging device 10 includes a conveyor belt 101, an arc scraper 102 and a third driving component. The arc scraper 102 is movably arranged. The arc scraper 102 is connected to the entrance end of the conveyor belt 101 to scrape the paper cover on the mold base 11 into the conveyor belt 101. The third driving component drives the outer mold 13 to rise and fall. The third driving component is a lifting push rod driven by a cylinder or a transmission connecting rod. The lifting push rod is in transmission cooperation with the lower end of the outer mold 13.

[0038] When the cover discharging device 10 is working, the third driving component drives the outer mold 13 to rise, and the outer mold 13 causes the paper cover on the inner mold 12 to separate, and the corresponding arc scraper 102 moves corresponding to the paper cover, scraping the paper cover onto the conveyor belt 101 for external delivery.

[0039] The working principle of the present invention is as follows: in the first step, the paper ring feeding device 2 feeds the paper ring to the inner mold 12 of the mold base 11 of the first turntable 1; in the second step, the facial paper feeding device 3 folds the facial paper and feeds it into the paper ring; in the third step, the oiling and glue spraying device 4 lubricates the upper end of the paper ring for folding the bottom, and sprays glue on the upper end of the inner wall of the paper ring; in the fourth step, the bottom folding device 6 folds the upper end of the paper ring to cover the folded edge of the facial paper; in the fifth step, the edge pressing device 7 presses and shrinks the upper end of the paper ring; in the sixth step, the knurling device 8 presses the upper end of the paper ring after edge pressing, so that the folded edge of the facial paper is bonded between the inner wall and the folded bottom of the paper ring; in the seventh step, the water injection line forming device 9 indents the outer peripheral surface of the paper ring to form a water injection line; in the eighth step, the cover discharging device 10 separates the formed paper cover from the mold base 11 for external delivery.

[0040] In summary, the above are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A circular paper cover forming device, comprising a frame, characterized in that: The frame is provided with a first turntable, and mold bases are circumferentially arranged at equal intervals on the first turntable, and the mold base includes a rotating inner mold for sleeve-engaging a paper feeding ring and a lifting outer mold for separating the paper ring from the inner mold, and the lifting outer mold is sleeved on the rotating inner mold; the mold base is connected with a paper feeding ring device, a surface paper feeding device, an oiling and gluing device, a bottom folding device, a knurling device and a cover-discharging device in sequence with the transmission of the first turntable; the paper feeding ring device includes a conveying platform and a conveying disk that are connected to each other, and conveying grooves are equidistantly arranged on the outer periphery of the conveying disk, and a conveying guide plate is also arranged on the outer periphery of the conveying disk, and the conveying grooves and the conveying guide plate cooperate with each other to convey the paper ring, and the conveying front end of the conveying platform is connected to the inlet end of the conveying disk. The conveying grooves cooperate with each other to transfer the paper ring, and a liftable poking component is provided above the conveying disk, and the poking component corresponds to the conveying groove at the outlet end of the conveying disk to poke the paper ring onto the mold base; the facial paper feeding device includes a second turntable, and the second turntable is provided with facial paper forming grooves at equal intervals, and the facial paper forming grooves are provided with inner steps, and the folding edges are formed at the inner steps. The second turntable is sequentially provided with a facial paper feeding station, a facial paper guiding station and a facial paper forming station; the facial paper feeding station includes a facial paper storage rack arranged above the second turntable and a lifting adsorption component arranged below the second turntable, and the lower end of the facial paper storage rack is provided with a paper outlet, and the lifting adsorption component is opposite to the paper outlet The facial paper should be sucked to the facial paper forming slot; the facial paper guiding station includes a first lifting and pressing rod arranged above the second turntable, and the first lifting and pressing rod cooperates with the facial paper guiding on the facial paper forming slot; the facial paper forming station includes a first lifting and pressing plate and a second lifting and pressing plate arranged above the second turntable, the first lifting and pressing plate cooperates with the facial paper forming slot to press the facial paper into the folding mouth to complete the folding, and the second lifting and pressing plate cooperates with the facial paper forming slot to press the facial paper with the folded edge completed into the paper circle on the mold base; the bottom folding device includes a pre-folding mechanism and a final folding mechanism, and the pre-folding mechanism and the final folding mechanism both include a liftable bottom folding upper mold and a first driving component, and the bottom folding upper mold A groove is provided on the mold, and the inner wall of the groove is inclined outward to form a guiding surface, and an R-shaped bottom folding groove is provided at the bottom of the groove corresponding to the lower end of the guiding surface. The R-shaped bottom folding groove of the pre-folding mechanism has a pre-folding R angle, and the R-shaped bottom folding groove of the final folding mechanism has a final folding R angle, and the pre-folding R angle is smaller than the final folding R angle, and the first driving component drives the outer mold to rise and fall; a edge pressing device is connected between the bottom folding device and the knurling device; the edge pressing device includes a liftable edge pressing upper mold, a edge pressing groove is provided on the edge pressing upper mold, a guiding arc surface is provided at the end of the edge pressing groove, an extrusion block is provided in the edge pressing groove, and the extrusion block is movably arranged in the edge pressing groove through an elastic member, and the extrusion block cooperates with the inner wall of the edge pressing groove to perform edge pressing.

2. The round paper cover forming device according to claim 1, characterized in that: The conveying guide plate comprises a connected lower supporting slide plate and an outer limiting arc plate.

3. The circular paper cover forming device according to claim 1, characterized in that: A water injection line forming device is connected between the knurling device and the capping device.

4. The circular paper cover forming device according to claim 3, characterized in that: The water injection line forming device includes a disc-shaped creasing knife, a positioning plate and a second driving component. The disc-shaped creasing knife is rotatably arranged on a knife seat. The knife seat is movably arranged to make the disc-shaped creasing knife cooperate with the creasing groove on the mold seat. The second driving component drives the mold seat to rotate. The positioning plate can be raised and lowered and arranged above the mold seat to position the paper ring.

5. The circular paper cover forming device according to claim 1, characterized in that: The cover discharging device comprises a conveyor belt, an arc scraper and a third driving component. The arc scraper is movably arranged, and the arc scraper is connected with the inlet end of the conveyor belt to scrape the paper cover on the mold base into the conveyor belt. The third driving component drives the outer mold to rise and fall.

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