CN220535053U - Paper cup bowl cup body mouth rolling device - Google Patents

Abstract

The utility model relates to a paper cup bowl body opening rolling device, wherein a lifting seat descends, an upper mold core descends together with an upper curling disk, the upper mold core pushes down a cup body into a cup body matching concave cavity, a first vertical outer wall area clamps the cup body with the cup body matching concave cavity, an opening part to be rolled of the cup body is positioned in a paper clamping gap to be rolled between the first vertical outer wall area and a channel wall of a second channel, so that paper of the opening part to be rolled is almost in a vertical state, the upper mold core is in place (a telescopic buffer spring deforms), the lifting seat continuously descends to drive the upper curling disk to continuously descend, the upper curling disk descends together with the lower curling disk, and a first curling groove is matched with the second curling groove for curling; the paper to be rolled is rolled (curled) almost in a vertical state, the rolling difficulty is relatively reduced, the rolling effect is relatively good, the paper is not easy to deform and wrinkle, and the requirement on paper materials is relatively low.

Description

Paper cup bowl cup body mouth rolling device

Technical Field

The utility model relates to a cup mouth rolling device of a paper cup bowl.

Background

Paper containers (for convenience of presentation, collectively referred to as cups) such as paper cups or bowls are made of paper sheets, and the mouth of the cup needs to be curled during the forming and making process.

After the cylinder body of the cup body is manufactured, the whole cylinder body usually presents taper or inclination, a certain angle is formed when the whole cylinder body is opened, the rolling mouth is required to be matched with the taper or inclination for rolling, the rolling mouth difficulty is high, the rolling mouth effect is poor, wrinkles are easy to deform, and the requirement on paper materials is high. Therefore, the upper section of the cylinder body of the cup body is divided into vertical sections so as to reduce the difficulty of rolling the mouth, reduce the material requirement on paper, ensure the rolling effect better, ensure that the rolling mouth is not easy to deform and fold, and solve the problem of rolling the lower section of the cylinder body into the vertical section with taper or inclination and the upper section of the cylinder body as the to-be-rolled mouth.

Disclosure of Invention

In view of the technical problems existing in the background art, the technical problems solved by the utility model aim to provide a paper cup bowl cup body opening rolling device capable of enabling paper at an opening part to be rolled to be almost in a vertical state for opening rolling.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a paper cup bowl cup rolls up a mouthful device, including a mouthful cope and a mouthful lower mould, a mouthful lower mould disposes in a mouthful cope's below, its characterized in that: the upper die for the rolling mouth comprises a lifting seat, an upper die core and an upper rolling disc, wherein the upper rolling disc and the upper die core are arranged on the lifting seat, a telescopic buffer spring is connected between the upper die core and the lifting seat, a first channel is arranged on the upper rolling disc, a first rolling groove is formed in the lower end face of the upper rolling disc, the first rolling groove is arranged at the edge of a lower port of the first channel, a first vertical outer wall area is arranged on the outer ring side wall of the upper die core, the first channel is sleeved outside the first vertical outer wall area, and the first vertical outer wall area is matched with the first channel; the upper mold core is further provided with a cup cavity matching outer wall area, the cup cavity matching outer wall area is connected below the first vertical outer wall area, the lower mold for the rolling mouth comprises a lower mold core and a lower rolling disc, a cup body matching concave cavity is arranged on the lower mold core, the outer ring side wall of the lower mold core is provided with a second vertical outer wall area, the cup body matching concave cavity is matched with the cup cavity matching outer wall area of the upper mold core, the lower rolling disc is provided with a second channel, the second channel is sleeved outside the second vertical outer wall area, and the second vertical outer wall area is matched with the second channel; the upper end face of the lower hemming disc is provided with a second hemming groove which is configured at the edge of the upper port of the second channel, and a paper clamping gap matched with the paper to be curled is reserved between the first vertical outer wall area and the channel wall of the second channel; the first hemming groove and the second hemming groove are arranged in an up-down matching way, and the lower hemming disc is also connected with a disc lifting driving device in a transmission way.

The following various optimization or supplementary explanation can be performed on the above technical solutions, respectively.

For example, the first channel includes a vertical straight tube, and the second channel includes a vertical straight tube.

It is also preferable that the vertical straight tube of the second channel further has a hemming guide micro-flare.

The lifting seat is in transmission connection with the winding opening lifting driving device, the lower mold core is arranged on the fixing seat, and the disc lifting driving device is connected on the fixing seat.

In addition, a lifting base is also arranged in the cup body matching concave cavity, and is provided with a lifting reset spring or a lifting reset cylinder; the bottom of the cup body matching concave cavity is also provided with a base position avoiding opening, and the base position avoiding opening is matched with the lifting base.

And then optimizing, wherein the lifting collet is also provided with a suction cup air nozzle which is connected with a hollow guide post, the hollow guide post is connected to the lower side of the lifting collet, and the hollow guide post is in matched sliding connection with the guide sleeve.

In addition, the upper mold core is provided with a telescopic demolding component, and the telescopic demolding component is arranged at the bottom of the upper mold core; the telescopic demoulding component is connected with a demoulding cylinder or a demoulding spring which is arranged on the upper mould core.

Wherein, the upper mold core can be further provided with a small blowing opening.

Wherein, the upper hemming plate and/or the lower hemming plate is/are also connected with a heater.

The utility model has the advantages that the formed cup body is placed between the upper die of the roll neck and the lower die of the roll neck, the lifting seat of the upper die of the roll neck descends together with the upper hemming disc, the upper die core pushes the cup body downwards into the cup body matching concave cavity of the lower die core, the first vertical outer wall area on the upper die core is matched with the cup body matching concave cavity to clamp the cup body, at the moment, the part to be rolled of the cup body is positioned in a paper gap to be rolled between the first vertical outer wall area and the channel wall of the second channel, so that the paper of the part to be rolled is in a nearly vertical state (nearly in an upright state, can be regarded as a vertical state, relatively has no inclination and taper), then the lifting seat continues to descend, at the moment, the upper die core is in place (the deformation is caused by the telescopic buffer spring), the lifting seat continues to descend together with the upper hemming disc, the upper hemming disc descends together with the lower hemming disc, the first hemming groove is matched with the second hemming groove up and down, and the first hemming groove is matched with the second hemming groove, and the paper to be rolled between the first hemming groove and the second hemming groove; the paper to be rolled is almost in a vertical state (can be regarded as a vertical state, has no inclination and conicity relatively) and is curled by the rolling opening, so that the rolling opening is convenient to roll, the rolling opening difficulty is relatively reduced, the rolling opening effect is relatively good, the folds are not easy to deform, and the requirement on paper materials is relatively low. After the hemming is completed, the lifting seat is lifted, the upper hemming disc is lifted and separated from the lower hemming disc, then the upper die core is lifted along with the lifting seat after the telescopic buffer spring is reset in place, and then the upper hemming disc is lifted under the driving of the disc lifting driving device. Thus, the present utility model is a substantial feature and improvement over the prior art.

Drawings

The details and working principles of the embodiments and examples of the present utility model are described below with reference to the drawings.

Fig. 1 is a schematic diagram of the structure of the paper cup bowl with the cup body around the rolling opening.

Fig. 2 is a schematic perspective view of a paper cup bowl cup body rolling device in the utility model.

Fig. 3 is a schematic view of another angle structure of the hidden coil top mold in fig. 2.

Fig. 4 is a perspective view of the roll neck upper die of fig. 2 after being turned upside down.

Fig. 5 is a schematic side view of the paper cup bowl cup opening rolling device in the utility model.

Fig. 6 is a cross-sectional view of fig. 5.

Fig. 7 is a schematic structural view of the upper and lower crimping disks and the upper core mating crimp (crimp).

In the figure: 96. a roll neck upper die; 97. a lower die of a roll opening; 98. a lifting seat; 99. an upper mold core; 100. an upper crimping disc; 101. a telescopic buffer spring; 102. a first channel; 103. a first hemming groove; 104. a first vertical outer wall region; 105. the cup cavity is matched with the outer wall area; 106. a lower mold core; 107. a lower crimping disc; 108. the cup body is matched with the concave cavity; 109. a second vertical outer wall region; 110. a second channel; 111. a second hemming groove; 112. a paper clamping gap is reserved for rolling; 113. a tray body lifting driving device; 114. hemming guide micro-flaring; 116. a fixing seat; 117. lifting the bottom support; 118. lifting a reset cylinder; 119. a collet gap; 120. an air tap of the suction cup; 121. a hollow guide post; 122. a guide sleeve; 123. a retractable stripping member; 124. a small blowing opening; 125. a heater; 126. a guide post; 130 to be rolled up.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some, but not all, embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making inventive efforts are within the scope of this utility model.

Referring to the drawings, in the embodiment, the paper cup bowl body rolling device comprises a rolling upper die 96 and a rolling lower die 97, wherein the rolling lower die 97 is arranged below the rolling upper die 96.

The upper die 96 includes a lifting seat 98, an upper die core 99 and an upper crimping disc 100, the upper crimping disc 100 and the upper die core 99 are arranged on the lifting seat 98, the upper crimping disc 100 and the upper die core 99 can lift along with the lifting seat 98, and a telescopic buffer spring 101 (a gas spring or a pressure spring can be selected) is connected between the upper die core 99 and the lifting seat 98, so that the upper die core 99 can lift and stretch relatively on the lifting seat 98.

Wherein, the upper hemming plate 100 is provided with a first channel 102, the lower end surface of the upper hemming plate 100 is provided with a first hemming groove 103, the first hemming groove 103 is configured (surrounded) at the edge of the lower port of the first channel 102, and the first hemming groove 103 is matched with the cup body hemming opening.

The outer ring side wall of the upper mold core 99 is provided with a first vertical outer wall area 104, the first channel 102 is sleeved outside the first vertical outer wall area 104, the first vertical outer wall area 104 is matched with the first channel 102, namely the upper mold core 99 can stretch and retract in the first channel 102, and the first vertical outer wall area 104 of the upper mold core 99 can slide in the first channel 102; the upper mold core 99 also has a cup mating outer wall region 105, the cup mating outer wall region 105 being joined below the first vertical outer wall region 104, the cup mating outer wall region 105 being mated with the body portion of the cup, the cup mating outer wall region 105 of the upper mold core 99 being supportable within the body portion of the cup (i.e., the cup).

The lower die 97 includes a lower die core 106 and a lower crimping disc 107, the lower die core 106 is provided with a cup matching concave cavity 108, the cup matching concave cavity 108 is matched with a cup matching outer wall area 105 of the upper die core 99, the upper die core 99 pushes paper sheets downwards into the cup matching concave cavity 108 of the lower die core 106, and the cup matching outer wall area 105 of the upper die core 99 is matched with the cup matching concave cavity 108 of the lower die core 106 to clamp the cup.

Wherein the outer ring side wall of the lower core 106 has a second vertical outer wall region 109.

The lower hemming disc 107 is provided with a second channel 110, the second channel 110 is sleeved outside the second vertical outer wall area 109, and the second vertical outer wall area 109 is matched with the second channel 110, namely the lower hemming disc 107 can be sleeved outside the lower mold core 106 to lift; the upper end surface of the lower seaming chuck 107 is provided with a second seaming chuck 111, the second seaming chuck 111 being disposed (around) the upper port edge of the second channel 110, the second seaming chuck 111 being adapted to seaming the cup.

In addition, a paper gap 112 to be rolled, which is matched with the paper to be rolled (namely, the paper 130 of the part to be rolled on the upper side of the main body part of the cup bowl and the cup body), is reserved between the first vertical outer wall area 104 and the channel wall of the second channel 110, and the paper gap 112 to be rolled can clamp the paper of the part to be rolled of the cup body in a relatively stable position, so that the part of the paper is leaned against the outside of the first vertical outer wall area 104 and is almost in a vertical state.

The lower hemming disc 107 is further in driving connection with a disc lifting driving device 113 (such as a motor or a cylinder, etc. driven by power), and the disc lifting driving device 113 drives the lower hemming disc 107 to lift and move to match the hemming opening.

The working principle and the beneficial effects are as follows: the formed cup body is placed between the upper die 96 of the roll neck and the lower die 97 of the roll neck, the lifting seat 98 of the upper die 96 of the roll neck descends, the upper die core 99 descends together with the upper hemming disc 100, the upper die core 99 pushes the cup body downwards into the cup body matching concave cavity 108 of the lower die core 106, the first vertical outer wall area 104 on the upper die core 99 is matched with the cup body matching concave cavity 108 to clamp the cup body, at the moment, the part to be rolled of the cup body is positioned in a paper gap 112 to be rolled between the first vertical outer wall area 104 and the channel wall of the second channel 110, so that the paper of the part to be rolled is almost in a vertical state (can be regarded as a vertical state), then the lifting seat 98 descends continuously, at the moment, the upper die core 99 is in place (the telescopic buffer spring 101 deforms), the lifting seat 98 descends continuously, the upper hemming disc 100 descends together with the lower hemming disc 107, the first hemming groove 103 and the second hemming groove 111 are matched with each other, and the first hemming groove 103 and the second hemming groove 111 are curled together, so that the hemming 103 is enclosed between the first hemming groove 103 and the second hemming groove 111; the paper to be rolled is almost in a vertical state (can be regarded as a vertical state, has no inclination and conicity relatively) and is curled by the rolling opening, so that the rolling opening is convenient to roll, the rolling opening difficulty is relatively reduced, the rolling opening effect is relatively good, the folds are not easy to deform, and the requirement on paper materials is relatively low. After the hemming is completed, the lifting seat 98 is lifted, the upper hemming tray 100 is lifted and separated from the lower hemming tray 107, then the upper mold core 99 is lifted along with the lifting seat 98 after the telescopic buffer spring 101 is reset in place, and then the upper hemming tray 100 is lifted under the drive of the tray body lifting drive device 113.

The following optimizations or further description can be made on the basis of the above embodiments, respectively.

For example, the first channel 102 includes a vertical cylinder and the second channel 110 includes a vertical cylinder. It is also possible to optimize that the vertical straight tube of the second channel 110 also has a hemming guide micro-flare 114, the hemming guide micro-flare 114 being used for hemming guide, which can be guided in a homeotropically manner into the first hemming groove 103 above, the angle of the flare being within 3 degrees.

The lifting seat 98 is in driving connection with a rolling opening lifting driving device (such as a cylinder, an electric cylinder or a motor, and the like), the rolling opening lifting driving device drives the lifting seat 98 to lift, the lower mold core 106 is arranged on the fixed seat 116, and the disk body lifting driving device 113 is connected on the fixed seat 116.

In addition, a lifting base 117 is also arranged in the cup matching concave cavity 108, and the lifting base 117 is provided with a lifting reset spring or a lifting reset cylinder 118; the bottom of the cup body matching concave cavity 108 is also provided with a base position avoiding opening 119, and the base position avoiding opening 119 is matched with the lifting base 117.

The lifting base 117 can clamp the cup body downwards by matching with the falling mouth upper die 96 after lifting and resetting, so that the cup body position is ensured to be accurate and not shifted, and a lifting reset spring or a lifting reset cylinder 118 is pressed in the process of downwards conveying; after the rolling is completed, when the rolling upper die 96 rises, the lifting base 117 rises and resets under the action of the lifting reset spring or the lifting reset cylinder 118; the bottom of the cup body matching concave cavity 108 is also provided with a bottom support avoidance port 119, the bottom support avoidance port 119 is matched with the lifting bottom support 117, and the bottom support avoidance port 119 is used for avoiding the lifting bottom support 117.

The lifting collet 117 is also provided with a suction cup air nozzle 120, the suction cup air nozzle 120 is connected with a hollow guide post 121, the hollow guide post 121 is connected to the lower side of the lifting collet 117, the hollow guide post 121 is in matched sliding connection with a guide sleeve 122, (the lifting collet 117 descends and is limited and blocked).

In addition, the lifting collet 117 is also provided with a cup sucking air tap 120, the cup sucking air tap 120 is used for sucking a cup body, when the cup body is positioned between the upper rolling die 96 and the lower rolling die 97, the lifting collet 117 is used for holding the cup body so that the cup body is placed in place, the cup sucking air tap 120 can be matched with the cup body to suck the cup body to place, and the cup body can be matched with the cup body to suck the cup body after the rolling is completed so as to facilitate demoulding; wherein, suction cup air cock 120 links to each other with hollow guide post 121, and hollow guide post 121 connects the downside at lift collet 117, and hollow guide post 121 and uide bushing 122 cooperation sliding connection, hollow guide post 121 not only can play lift collet 117 lift guiding effect, can also link to each other the air feed with suction cup air cock 120.

The upper mold core 99 is provided with a telescopic demolding part 123, and the telescopic demolding part 123 is arranged at the bottom of the upper mold core 99; the telescopic stripping member 123 is connected to a stripping cylinder or stripping spring mounted on the upper mold core 99. When the telescopic demoulding part 123 stretches out under the action of the demoulding cylinder or the demoulding spring, the paper cup bowl and cup body on the upper mould core 99 are ejected and demoulded in a matched mode.

Still further, a blowing port 124 is also provided on the upper mold core 99. Not only blow through blowing the osculum 124 blow loose cooperation drawing of patterns with paper cup bowl cup, blow loose back in order to smooth drawing of patterns, avoid ejecting by force or suck down now unstable drawing of patterns, even the problem that follow-up is difficult to operate of paper cup bowl cup body position confusion after the drawing of patterns, blow can also cooperate and blow paper cup bowl cup body downwards moreover.

A heater 125 (e.g., a heating wire or a heating rod, etc.) is also connected to the upper crimping disc 100 and/or the lower crimping disc 107. The curling effect is better after heating, and the shaping is firmer.

Claims (9)

1. The utility model provides a paper cup bowl cup rolls up a mouthful device, is including rolling up a mouthful cope (96) and rolling up a mouthful lower mould (97), rolls up a mouthful lower mould (97) configuration in the below of rolling up a mouthful cope (96), its characterized in that:

the upper die (96) of the rolling mouth comprises a lifting seat (98), an upper die core (99) and an upper rolling disc (100), the upper rolling disc (100) and the upper die core (99) are arranged on the lifting seat (98), a telescopic buffer spring (101) is connected between the upper die core (99) and the lifting seat (98),

the upper hemming disc (100) is provided with a first channel (102), the lower end surface of the upper hemming disc (100) is provided with a first hemming groove (103), the first hemming groove (103) is configured at the edge of the lower port of the first channel (102),

a first vertical outer wall area (104) is arranged on the outer ring side wall of the upper mold core (99), the first channel (102) is sleeved outside the first vertical outer wall area (104), and the first vertical outer wall area (104) is matched with the first channel (102); the upper mold core (99) is also provided with a cup cavity matching outer wall area (105), the cup cavity matching outer wall area (105) is connected below the first vertical outer wall area (104),

the lower die (97) comprises a lower die core (106) and a lower hemming disc (107), a cup body matching concave cavity (108) is arranged on the lower die core (106), a second vertical outer wall area (109) is arranged on the outer ring side wall of the lower die core (106), the cup body matching concave cavity (108) is matched with the cup cavity matching outer wall area (105) of the upper die core (99),

a second channel (110) is arranged on the lower hemming disc (107), the second channel (110) is sleeved outside a second vertical outer wall area (109), and the second vertical outer wall area (109) is matched with the second channel (110); the upper end surface of the lower hemming disc (107) is provided with a second hemming groove (111), the second hemming groove (111) is arranged at the edge of the upper port of the second channel (110),

a paper clamping gap (112) to be rolled, which is matched with the paper to be rolled, is reserved between the first vertical outer wall area (104) and the channel wall of the second channel (110);

the first hemming groove (103) and the second hemming groove (111) are arranged in an up-down matching way,

the lower hemming disc (107) is also connected with a disc lifting driving device (113) in a transmission way.

2. The paper cup bowl cup opening rolling device according to claim 1, wherein: the first channel (102) comprises a vertical straight cylinder, and the second channel (110) comprises a vertical straight cylinder.

3. The paper cup bowl cup opening rolling device according to claim 2, wherein: the vertical straight barrel of the second channel (110) also has a hemming-guide micro-flare (114).

4. The paper cup bowl cup opening rolling device according to claim 1, wherein: the lifting seat (98) is in transmission connection with the winding opening lifting driving device, the lower mold core (106) is arranged on the fixed seat (116), and the disk body lifting driving device (113) is connected on the fixed seat (116).

5. The paper cup bowl cup opening rolling device according to claim 1, wherein: the cup body matching concave cavity (108) is also provided with a lifting base (117), and the lifting base (117) is provided with a lifting reset spring or a lifting reset cylinder (118); the bottom of the cup body matching concave cavity (108) is also provided with a base position avoiding opening (119), and the base position avoiding opening (119) is matched with the lifting base (117).

6. The paper cup bowl cup opening rolling device according to claim 5, wherein: the lifting base (117) is also provided with a suction cup air nozzle (120), the suction cup air nozzle (120) is connected with a hollow guide post (121), the hollow guide post (121) is connected to the lower side of the lifting base (117), and the hollow guide post (121) is in matched sliding connection with a guide sleeve (122).

7. The paper cup bowl cup opening rolling device according to claim 1, wherein: the upper mold core (99) is provided with a telescopic demolding component (123), and the telescopic demolding component (123) is arranged at the bottom of the upper mold core (99); the telescopic demoulding part (123) is connected with a demoulding cylinder or a demoulding spring which is arranged on the upper mould core (99).

8. The paper cup bowl cup opening rolling device according to claim 1, wherein: the upper mold core (99) is also provided with a blowing small opening (124).

9. The paper cup bowl cup opening rolling device according to claim 1, wherein: a heater (125) is also connected to the upper crimping disc (100) and/or the lower crimping disc (107).