Automatic folding device for reed leaves

By designing an automatic folding device for zongzi leaves, which utilizes a conveyor, positioning components, and a flipping and folding drive mechanism to achieve automatic folding of zongzi leaves, the problem of wrapping and shaping in zongzi production is solved, efficiency is improved and labor costs are reduced.

CN224038424UActive Publication Date: 2026-03-27ARMOR ACADEMY OF CHINESE PEOPLES LIBERATION ARMY
View PDF 1 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-08
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

In the production of zongzi (sticky rice dumplings), the difficulty in wrapping and shaping the bamboo leaves leads to low production efficiency and high labor costs.

Method used

Design an automatic folding device for zongzi leaves, including a conveyor body, a zongzi leaf positioning component, a flipping mechanism, a folding drive mechanism, and a picking mechanism, to achieve automatic folding and shaping of zongzi leaves through mechanization.

Benefits of technology

It improved the production efficiency of zongzi, reduced labor costs, solved the problem of wrapping and shaping zongzi leaves, and realized the automation and hygienic production of zongzi making process.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224038424U_ABST
    Figure CN224038424U_ABST
Patent Text Reader

Abstract

The utility model discloses an automatic folding device for reed leaves, which particularly relates to the technical field of mechanical arms and comprises a processing table, a conveyor body and an in-position positioning mechanism are arranged on the processing table, a reed leaf positioning component for positioning the reed leaves is arranged on a conveying surface of the conveyor body, and a reed leaf turnover mechanism is arranged on the in-position positioning mechanism. A supporting plate is arranged on the reed leaf overturning mechanism, a reed leaf folding driving mechanism is arranged on the supporting plate, a pair of reed leaf folding mechanisms connected with the reed leaf folding driving mechanism is further arranged on the supporting plate, and a reed leaf picking mechanism is arranged on each reed leaf folding mechanism; the reed leaf positioning assembly comprises a bottom plate, the bottom plate is fixedly connected to the conveying surface of the conveyor body, and a pair of reed leaf limiting plates is fixedly connected to the bottom plate; according to the utility model, the efficiency problem is solved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical arm technical field more specifically, the utility model relates to a kind of automatic folding device of zongzi leaves. BACKGROUND

[0002] At present, the production of zongzi mostly adopts traditional manual wrapping method, and the manual wrapping process is complex. Workers need special training to ensure the quality and speed of wrapping. Due to the special shape and material of zongzi, it is difficult to realize fully automatic production.

[0003] For example, the utility model with patent announcement No. CN222603734U discloses a mold for wrapping zongzi, which comprises a bottom plate, a limiting slide rail is fixedly connected to the top surface of the bottom plate, a limiting slide plate is slidably connected to the inner wall of the limiting slide rail, a supporting rod is fixedly connected to the top surface of the limiting slide plate, a fixed plate is fixedly connected to the top end of the supporting rod, a connecting shaft is rotatably connected to the inside of the fixed plate, a mold main body is fixedly connected to the top end of the connecting shaft, a rotating mechanism is arranged on the right side of the supporting rod, a transmission assembly is arranged on the top surface of the limiting slide plate, a moving mechanism is arranged on the top surface of the limiting slide rail, and a driving assembly is arranged on the front surface of the limiting slide plate. Similar to the above-mentioned technology, although the production of zongzi realizes flexible filling processing, the difficulty of zongzi production lies in the wrapping and forming of zongzi leaves. The current technology lacks the function of zongzi leaf wrapping and folding, and the zongzi leaf wrapping and folding technology is still in the exploratory stage. Therefore, there is still a lot of room for improvement in the efficiency and labor cost control of zongzi production. UTILITY MODEL CONTENTS

[0004] The utility model is provided to overcome the above-mentioned deficiencies, and provides an automatic zongzi leaf folding device to solve the problems of low efficiency and high labor cost in zongzi production.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an automatic zongzi leaf folding device, comprising a processing table, a conveyor body and an entry positioning mechanism are arranged on the processing table, a zongzi leaf positioning assembly for positioning zongzi leaves is arranged on the conveying surface of the conveyor body, a zongzi leaf turnover mechanism is arranged on the entry positioning mechanism, a supporting plate is arranged on the zongzi leaf turnover mechanism, a zongzi leaf folding drive mechanism is arranged on the supporting plate, and a pair of zongzi leaf folding mechanisms connected with the zongzi leaf folding drive mechanism are also arranged on the supporting plate. A zongzi leaf picking mechanism is arranged on each zongzi leaf folding mechanism.

[0006] In a preferred embodiment, the zongzi leaf positioning assembly comprises a bottom plate fixedly connected to the conveying surface of the conveyor body, a pair of zongzi leaf limiting plates fixedly connected to the bottom plate, a zongzi leaf feeding interval is arranged between the pair of zongzi leaf limiting plates, and a picking groove is arranged on each zongzi leaf limiting plate.

[0007] In a preferred implementation form, the entering positioning mechanism comprises a base platform fixedly connected to the machining table, a hydraulic cylinder is arranged on the top of the base platform, a rotary motor is fixedly connected to the piston shaft of the hydraulic cylinder, and a base is fixedly connected to the output shaft of the rotary motor.

[0008] In a preferred implementation form, the zongye overturning mechanism comprises a vertical seat fixedly connected to the base, a cylinder one is hingedly connected to the vertical seat, a fixed plate is hingedly connected to the piston shaft of the cylinder one, a rocker is connected to the bottom of the fixed plate, one end of the rocker away from the fixed plate is hingedly connected to the base, and a support plate is fixedly connected to the fixed plate.

[0009] In a preferred implementation form, the zongye folding driving mechanism comprises a cylinder two fixedly connected to the side of the support plate, a bidirectional rack is fixedly connected to the piston shaft of the cylinder two, gears are meshingly connected to the two sides of the bidirectional rack, a double connecting rod is fixedly connected to the end face of each gear, and each gear is rotatably connected to the side of the support plate.

[0010] In a preferred implementation form, the zongye folding mechanism comprises an arc-shaped guide rail fixedly connected to the side of the fixed plate, a sliding groove is arranged in the arc-shaped guide rail, a sliding plate is slidably connected in the sliding groove, one end of the double connecting rod away from the gear is hingedly connected to the sliding plate, and a support is fixedly connected to the sliding plate.

[0011] In a preferred implementation form, the zongye picking mechanism comprises a cylinder three fixedly connected to the inner side of the support, a connecting seat is fixedly connected to the piston shaft of the cylinder three, a pair of folding hands are hingedly connected in the connecting seat, each folding hand is hingedly connected to the support, and a clamping jaw is fixedly connected to one end of the folding hand away from the connecting seat.

[0012] The technical effects and advantages of the zongye automatic folding device are as follows:

[0013] The zongye automatic folding device provides the conveying capacity for the feeding of zongye through the transmission body, and the zongye positioning assembly can provide the position positioning for the feeding of zongye, the zongye picking mechanism clamps the zongye and folds the zongye into a funnel shape according to the predetermined track, so that the zongye can be quickly formed into a filling material, the difficulty of the zongye wrapping and forming in the zongzi packaging process is solved, the production efficiency is improved, and the labor cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical schemes in the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced. Obviously, the accompanying drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.

[0015] Figure 1 It is a schematic view of the overall structure of the present application.

[0016] Figure 2 It is a schematic view of the structure of the zongzi leaf positioning assembly of the present application.

[0017] Figure 3 It is a schematic view of the structure of the in-position positioning mechanism and the zongzi leaf overturning mechanism of the present application.

[0018] Figure 4 It is a schematic view of the structure of the support plate, the zongzi leaf folding driving mechanism and the zongzi leaf picking mechanism of the present application.

[0019] Figure 5 It is a schematic view of the structure of the sliding plate of the present application.

[0020] Figure 6 It is a schematic view of the structure of the zongzi leaf picking mechanism of the present application.

[0021] Wherein: 1, processing table; 2, transmission machine body; 3, zongzi leaf positioning assembly; 31, bottom plate; 32, zongzi leaf limiting plate; 33, picking groove; 4, in-position positioning mechanism; 41, base platform; 42, hydraulic cylinder; 43, rotary motor; 5, base; 6, zongzi leaf overturning mechanism; 61, vertical seat; 62, cylinder one; 63, fixed plate; 64, rocker; 7, support plate; 8, zongzi leaf folding driving mechanism; 81, cylinder two; 82, bidirectional rack; 83, gear; 84, double connecting rod; 9, zongzi leaf folding mechanism; 91, arc-shaped guide rail; 92, sliding groove; 93, sliding plate; 10, support; 11, zongzi leaf picking mechanism; 111, cylinder three; 112, connecting seat; 113, folding hand; 114, clamping jaw. DETAILED DESCRIPTION

[0022] The technical schemes in the embodiments of the present application will be clearly and completely described below in combination with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] As Figures 1-6The utility model provides a kind of automatic folding device of zongzi leaf, including processing table 1, processing table 1 is provided with conveyor body 2, the transmission surface of conveyor body 2 is provided with zongzi leaf positioning assembly 3 for zongzi leaf positioning, zongzi leaf positioning assembly 3 includes bottom plate 31, bottom plate 31 is fixedly connected on the transmission surface of conveyor body 2, bottom plate 31 is fixedly connected with a pair of zongzi leaf limit plate 32, zongzi leaf loading interval is provided between a pair of zongzi leaf limit plate 32, each zongzi leaf limit plate 32 is provided with pickup groove 33.

[0024] Conveyor body 2 adopts belt conveyor, it can drive zongzi leaf positioning assembly 3 to move circularly in specified transmission surface, conveyor body 2 is in intermittent motion state when actually conveying, zongzi leaf limit plate 32 is inclined in the application, so that zongzi leaf loading interval formed between a pair of zongzi leaf limit plate 32 is also in inclined state, so zongzi leaf can be placed into zongzi leaf loading interval with certain slope by artificial, pickup groove 33 provided on zongzi leaf limit plate 32 can be two, pickup groove 33 position can be cooperated with clamping structure to enter to clamp zongzi leaf.

[0025] Processing table 1 is provided with in-position positioning mechanism 4, in-position positioning mechanism 4 includes base platform 41, base platform 41 is fixedly connected on processing table 1, the top of base platform 41 is provided with hydraulic cylinder 42, the piston shaft of hydraulic cylinder 42 is fixedly connected with rotary motor 43, the output shaft of rotary motor 43 is fixedly connected with base 5.

[0026] Base platform 41 can provide position support for hydraulic cylinder 42, by starting hydraulic cylinder 42, the output shaft of hydraulic cylinder 42 can telescopic control rotary motor 43 to lift, rotary motor 43 is self-locking rotary motor 43, start rotary motor 43, the output shaft of rotary motor 43 can rotate control base 5 to rotate, so that base 5 can have rotation and lifting function.

[0027] In-position positioning mechanism 4 is provided with zongzi leaf turnover mechanism 6, zongzi leaf turnover mechanism 6 includes vertical seat 61, vertical seat 61 is fixedly connected on base 5, vertical seat 61 is hinged with cylinder one 62, the piston shaft of cylinder one 62 is hinged with fixed plate 63, the bottom of fixed plate 63 is connected with rocker 64, the end of rocker 64 away from fixed plate 63 is hinged on base 5, zongzi leaf turnover mechanism 6 is provided with support plate 7, support plate 7 is fixedly connected on fixed plate 63.

[0028] Vertical seat 61 can provide rotary support for the cylinder seat position of cylinder one 62, by starting cylinder one 62 piston shaft telescopic motion, fixed plate 63 can be turned over around the hinge of rocker 64, the turning over state of fixed plate 63 in the application is mainly divided into horizontal and vertical, and because base 5 has rotation and lifting function, so that fixed plate 63 can rotate and lift when turning over action.

[0029] The supporting plate 7 is provided with a rice dumpling leaf folding driving mechanism 8, the rice dumpling leaf folding driving mechanism 8 comprises a cylinder two 81, the cylinder two 81 is fixedly connected to the side of the supporting plate 7, the piston shaft of the cylinder two 81 is fixedly connected with a bidirectional rack 82, the two sides of the bidirectional rack 82 are all meshedly connected with a gear 83, the end face of each gear 83 is fixedly connected with a double connecting rod 84, and each gear 83 is rotatably connected to the side of the supporting plate 7.

[0030] The double connecting rod 84 is a rod structure that is hinged to double rods, and through the telescopic action of the piston shaft of the cylinder two 81, the bidirectional rack 82 can be driven to ascend and descend, the ascending and descending of the bidirectional rack 82 can mesh with a pair of gears 83 to rotate, and when the movement track of the end of the double connecting rod 84 away from the gear 83 is limited, the double connecting rod 84 can be folded.

[0031] The supporting plate 7 is also provided with a pair of rice dumpling leaf folding mechanisms 9 connected with the rice dumpling leaf folding driving mechanism 8, the rice dumpling leaf folding mechanism 9 comprises an arc-shaped guide rail 91, the arc-shaped guide rail 91 is fixedly connected to the side of the fixed plate 63, the arc-shaped guide rail 91 is provided with a sliding groove 92, and the sliding groove 92 is slidably connected with a sliding plate 93, the end of the double connecting rod 84 away from the gear 83 is hinged to the sliding plate 93, and the sliding plate 93 is fixedly connected with a support 10.

[0032] The sliding groove 92 is an arc-shaped groove, at least two sliding grooves 92 are arranged on each arc-shaped guide rail 91, the sliding plate 93 is composed of a supporting block and a sliding block fixed to the side of the supporting block, the curvature of the sliding block matches the curvature of the sliding groove 92, and since the double connecting rod 84 can be folded under the driving action, the end of the double connecting rod 84 can drive the sliding plate 93 to move in a predetermined track in the sliding groove 92 of the arc-shaped guide rail 91.

[0033] The rice dumpling leaf folding mechanism 9 is provided with a rice dumpling leaf picking mechanism 11, the sliding plate 93 is fixedly connected with a support 10, the rice dumpling leaf picking mechanism 11 comprises a cylinder three 111, the cylinder three 111 is fixedly connected to the inner side of the support 10, the piston shaft of the cylinder three 111 is fixedly connected with a connecting seat 112, a pair of folding hands 113 are hingedly connected in the connecting seat 112, each folding hand 113 is hingedly connected to the support 10, and the end of the folding hand 113 away from the connecting seat 112 is fixedly connected with a clamping jaw 114.

[0034] The utility model discloses a rubber claw is adopted to the clamp jaw 114, and the rubber claw has the effect of flexible clamping, so that the damage of the clamp to the rice leaf can be prevented, when using, through the rotation motor 43 drive rotation drives its upper structure rotation ninety degrees, until the rice leaf pickup mechanism 11 with transmission machine body 2 horizontal arrangement, simultaneously control hydraulic cylinder 42 and cylinder no. 62 operation, cylinder no. 62 piston axle extension movement can make fixed plate 63 around the hinged place of rocker 64 overturn movement, until fixed plate 63 overturns to ninety degrees, hydraulic cylinder 42 can drive fixed plate 63 to descend, at this moment, start cylinder no. 111, the extension of cylinder no. 111 piston axle can push a pair of folding hands 113 through connecting seat 112, and a pair of folding hands 113 are combined into square structure, and the center line of the width direction of the rice leaf and the angle bisector of a pair of folding hands 113 symmetrically installed are located on the same straight line, and the corresponding clamp jaw 114 on folding hand 113 can be in the open state, and the clamp jaw 114 can be controlled by the contraction of cylinder no. 111 piston axle to clamp the rice leaf after entering the pickup groove 33 of the rice leaf limiting plate 32.

[0035] After the rice leaf is clamped by a pair of clamp jaws 114, fixed plate 63 can be reset to the vertical state, at this moment, cylinder no. 81 drives bidirectional rack 82 to lift and run, the lifting of bidirectional rack 82 can engage a pair of gears 83 to rotate, the rotation of gear 83 can pull one end of double connecting rod 84 to pull slide plate 93 to move in the slide groove 92 of arc-shaped guide rail 91 along the given track, and the movement of the track can make a pair of clamp jaws 114 fold the rice leaf in an arc shape, until the rice leaf is folded into a conical shape, and the subsequent blanking of the rice leaf can be the same as the principle of the rice leaf clamping, that is, by shifting the clamp jaw 114 to the vertical direction of the transmission machine body 2, so that the folded rice leaf can be placed in the corresponding mold, and the mold can adopt a bucket that is matched with the conical rice leaf, and the mold body of the mold can be referred to the patent publication No. CN222603734U.

[0036] The processing table 1 in the utility model can be provided with a PLC controller, and the PLC controller is connected with the transmission machine body 2, the hydraulic cylinder 42, the rotation motor 43, the cylinder no. 62, the cylinder no. 81 and the cylinder no. 111 in the application through the existing wiring technology to realize line control, so that automatic control can be realized, and the control circuit of the PLC controller can be realized through simple programming of the person skilled in the art, and the power supply also belongs to the common knowledge in the field.

[0037] In summary, by decomposing and integrating the process of manually wrapping the zongzi, the process and design requirements suitable for mechanized production of automatic folding of the zongzi leaves are proposed, and then the mechanical structure and forming process for realizing automatic folding and wrapping of the zongzi leaves into a bucket shape are designed. By combining the four processes of feeding, picking, turning over, wrapping and positioning of the zongzi leaves, the complicated process of zongzi wrapping is solved, which not only avoids the hygiene problem in the manual wrapping process, but also liberates the labor force and greatly improves the labor efficiency.

[0038] Each embodiment in the specification is described in a related manner, and the same and similar parts between each embodiment can be referred to each other. Each embodiment focuses on the difference from other embodiments.

[0039] The above merely describes the preferred embodiments of the present application, and is not intended to limit the protection scope of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An automatic folding device for zongzi leaves, comprising a processing table (1), characterized in that: The processing table (1) is provided with a conveying machine body (2) and an entry positioning mechanism (4), the conveying surface of the conveying machine body (2) is provided with a zongzi leaf positioning assembly (3) for zongzi leaf positioning, the entry positioning mechanism (4) is provided with a zongzi leaf turnover mechanism (6), the zongzi leaf turnover mechanism (6) is provided with a supporting plate (7), the supporting plate (7) is provided with a zongzi leaf folding drive mechanism (8), and the supporting plate (7) is also provided with a pair of zongzi leaf folding mechanisms (9) connected with the zongzi leaf folding drive mechanism (8), and each zongzi leaf folding mechanism (9) is provided with a zongzi leaf picking mechanism (11).

2. The automatic folding device for zongzi leaves according to claim 1, characterized in that: The zongzi leaf positioning assembly (3) comprises a bottom plate (31) fixedly connected to the conveying surface of the conveying machine body (2), and a pair of zongzi leaf limiting plates (32) are fixedly connected to the bottom plate (31); a zongzi leaf feeding interval is arranged between the pair of zongzi leaf limiting plates (32); and a picking groove (33) is arranged on each zongzi leaf limiting plate (32).

3. The automatic folding device for rice dumpling leaves according to claim 1, characterized in that: The entry positioning mechanism (4) comprises a base platform (41) fixedly connected to the processing table (1), a hydraulic cylinder (42) arranged on the top of the base platform (41), a rotary motor (43) fixedly connected to the piston shaft of the hydraulic cylinder (42), and a base (5) fixedly connected to the output shaft of the rotary motor (43).

4. The automatic folding device for zongzi leaves according to claim 3, characterized in that: The zongzi leaf turnover mechanism (6) comprises a vertical seat (61) fixedly connected to the base (5), a cylinder I (62) hinged to the vertical seat (61), a fixed plate (63) hinged to the piston shaft of the cylinder I (62), a rocker (64) connected to the bottom of the fixed plate (63), and the supporting plate (7) fixedly connected to the fixed plate (63).

5. The automatic folding device for zongzi leaves according to claim 4, characterized in that: The zongzi leaf folding drive mechanism (8) comprises a cylinder II (81) fixedly connected to the side face of the supporting plate (7), a bidirectional rack (82) fixedly connected to the piston shaft of the cylinder II (81), a gear (83) meshingly connected to the two sides of the bidirectional rack (82), a double connecting rod (84) fixedly connected to the end face of each gear (83), and each gear (83) rotationally connected to the side face of the supporting plate (7).

6. The automatic folding device for zongzi leaves according to claim 5, characterized in that: The zongzi leaf folding mechanism (9) comprises an arc-shaped guide rail (91) fixedly connected to the side face of the fixed plate (63), a sliding groove (92) formed in the arc-shaped guide rail (91), a sliding plate (93) slidably connected in the sliding groove (92), a rocker (64) hinged to the sliding plate (93) at the end away from the gear (83), and a bracket (10) fixedly connected to the sliding plate (93).

7. The automatic folding device for zongzi leaves according to claim 6, characterized in that: The zongzi leaf picking mechanism (11) comprises a cylinder three (111), the cylinder three (111) is fixedly connected to the inner side of the support (10), the piston shaft of the cylinder three (111) is fixedly connected with a connecting seat (112), a pair of folding hands (113) are hingedly connected in the connecting seat (112), each folding hand (113) is hingedly connected on the support (10), and the end, away from the connecting seat (112), of the folding hand (113) is fixedly connected with a clamping jaw (114).

Citation Information

Patent Citations

  • Mold for wrapping zongzi

    CN222603734U