Automatic square cake tea packaging machine

Abstract

The utility model provides an automatic square cake tea packaging machine which comprises a main machine body, a shaping mechanism, a paper pressing mechanism, a paper placing tool, a paper collecting tool, a heat sealing discharging tool and a feeding tool are installed on the inner side of the main machine body, and an installation table is fixedly installed on the inner side of the main machine body. A fixing plate is fixedly mounted on the top side of the mounting table through multiple sets of supporting rods, and three sets of cam driving mechanisms are mounted on the inner side of the main machine body and include the first driving mechanism, the second driving mechanism and the third driving mechanism. Through the cooperation of the rotating shaft, the third swing arm and the second connecting bearing, the second sliding base and the second paper folding plate can be driven to move flexibly, and therefore a set of servo motors can drive multiple sets of cam driving mechanisms to operate, drive the first paper folding plate and the second paper folding plate to move and conduct automatic packaging on tea leaves. The situation that multiple sets of servo motors and air cylinders are used for driving the first paper folding plate and the second paper folding plate is avoided, and gas path pipelines of cables needing to be arranged in the main machine body are reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to tea packaging technical field, more specifically, it is especially related to a kind of square cake tea automatic packaging machine. BACKGROUND

[0002] Tea packaging machine is used to automatically complete the packaging operation of tea, can improve packaging efficiency, ensure packing precision, and also can beautify appearance, facilitate tea storage, transportation and sales.

[0003] But the existing tea packaging machine usually drives the edge folding mechanism to fold the packaging paper by multiple groups of driving motor and air cylinder, which leads to the need to arrange more cable and air path pipeline, which may affect the normal work of the packaging machine, and when the packaging machine is overhauled, the operation is more complicated, and there is certain limitation in actual use. Therefore, in view of the above, the existing structure and defects are improved, a kind of square cake tea automatic packaging machine is provided, so as to achieve the purpose of more practical value. UTILITY MODEL CONTENT

[0004] In order to solve the above technical problems, the utility model provides a kind of square cake tea automatic packaging machine, which is achieved by the following specific technical means:

[0005] The utility model provides a kind of square cake tea leaf automatic packing machine, including main body, the inside of the main body is equipped with shaping mechanism, paper pressing mechanism, paper placing tool, paper collecting tool, heat sealing discharge tool and feeding tool, the inside of the main body is fixedly installed with mounting table, the top side of the mounting table is fixedly installed with fixed plate by multiple groups of support rod, the inside of the main body is equipped with three groups of cam drive mechanism, respectively first drive mechanism, second drive mechanism and third drive mechanism, the bottom side of the mounting table is fixedly connected with fixed seat, the fixed seat is rotatably connected with connecting shaft, the cam drive mechanism includes the cam one of fixed connection with connecting shaft, the inside of the main body is fixedly installed with fixed shaft, the outside of the fixed shaft is rotatably connected with driven plate one, the one end of the driven plate one is rotatably connected with the follower one connected with cam one, the one end of the driven plate one is rotatably connected with connecting rod one, the inside of the main body is rotatably connected with swing plate, the one end of the connecting rod one is rotatably connected with the one end of swing plate, the other end of swing plate is rotatably connected with connecting rod two, the mounting table is rotatably connected with rotating shaft, the bottom end of the rotating shaft is located at the bottom side of mounting table and is fixedly connected with the paddle of the paddle, and the one end of the connecting rod two is rotatably connected with the one end of the paddle;The top side of the mounting table is installed with rear paper folding mechanism and two groups of left and right paper folding mechanisms arranged symmetrically, the left and right paper folding mechanisms include two groups of fixed frame one fixedly installed on the top side of fixed plate, two groups of light pole one are fixedly installed between the two groups of fixed frame one, the outside of the two groups of light pole one is commonly slidably connected with slide seat one, the top side of the slide seat one is fixedly installed with paper folding board one, the both sides of the slide seat one are fixedly installed with folding corner piece, and the bottom side of the slide seat one is rotatably connected with connecting bearing one in transmission connection with first drive mechanism;The rear paper folding mechanism includes two groups of fixed frame two fixedly connected with fixed plate, two groups of light pole two are fixedly installed between the two groups of fixed frame two, the outside of the two groups of light pole two is commonly slidably connected with slide seat two, the top side of the slide seat two is fixedly connected with paper folding board two, and the bottom side of the slide seat two is rotatably connected with connecting bearing two in transmission connection with second drive mechanism.

[0006] Further, the top end outside of the rotating shaft on the first drive mechanism is fixedly installed with rotating seat and swing arm two, the bottom side of the fixed plate is rotatably connected with swing arm one by fixed bearing, the rotating seat is rotatably connected with two groups of connecting rod three, the other end of the two groups of connecting rod three is rotatably connected with the bottom side of swing arm one, and the one end of the two groups of connecting rod three is located at the both sides of fixed bearing respectively;Swing arm one and swing arm two are equipped with sliding groove, and the inside of the two groups of sliding grooves is slidably connected with the outside of the two groups of connecting bearing one respectively.

[0007] Further, the top end outside of the rotating shaft on the second drive mechanism is fixedly connected with swing arm three, the swing arm three is equipped with through groove, and the inside of the through groove is slidably connected with the outside of connecting bearing two.

[0008] Further, the outer sides of the two groups of the second light rods are jointly and slidably connected with sliding seats three, a pushing plate is fixedly installed on the top side of the sliding seat three, the top end of the rotating shaft on the third driving mechanism is fixedly connected with a rotating plate, one end of the rotating plate is rotatably connected with a connecting rod five, the other end of the connecting rod five is rotatably connected with a connecting rod, and the top end of the connecting rod is fixedly connected with the bottom side of the sliding seat three.

[0009] Further, the outer side of the connecting shaft is fixedly connected with a cam two, the cam two is provided with a cam groove two, the inner side of the cam groove two is slidably connected with a follower two, the outer side of the fixed shaft is rotatably connected with a driven plate two, the driven plate two is rotatably connected with the follower two, the inner side of the main body is fixedly installed with two groups of third light rods, the outer sides of the two groups of the third light rods are jointly and slidably connected with a moving seat, one end of the driven plate two is rotatably connected with a connecting rod four, one end of the connecting rod four is rotatably connected with one side of the moving seat, and the moving seat is fixedly installed with a material pushing rod through fasteners.

[0010] Further, the inner side of the main body is fixedly installed with a mounting shaft, the outer side of the mounting shaft is connected with three groups of tension springs, and the other ends of the three groups of the tension springs are respectively connected with three groups of swinging plates.

[0011] Further, the inner side of the main body is fixedly installed with a servo motor, the output end of the servo motor is fixedly installed with a speed reducer, the output end of the speed reducer is fixedly installed with a driving wheel, one end of the connecting shaft is fixedly installed with a driven wheel, and the driving wheel and the driven wheel are drivingly connected through a synchronous belt.

[0012] Further, the shaping mechanism comprises a mounting seat mounted on the mounting table, a plurality of fourth light rods are fixedly installed on the top side of the mounting seat, the outer sides of the plurality of fourth light rods are jointly and slidably connected with a sliding table, a paper cutting die is fixedly installed on the bottom side of the sliding table, a mounting plate is jointly and fixedly installed on the top ends of the plurality of fourth light rods, a first air cylinder is fixedly installed on the top side of the mounting plate, and the output end of the first air cylinder penetrates through the mounting plate and is fixedly connected with the top side of the sliding table.

[0013] Further, the paper pressing mechanism comprises a connecting frame fixedly installed on the mounting table, a lower paper pressing plate is fixedly installed on one side of the connecting frame, a second air cylinder is fixedly installed on one side of the connecting frame, the output end of the second air cylinder is fixedly installed with an upper paper pressing plate, a plurality of sliding rods are slidably connected with the upper paper pressing plate through a connecting seat, springs are sleeved on the outer sides of the plurality of sliding rods, gaskets are fixedly installed on the bottom ends of the plurality of sliding rods, the top end of the spring abuts against the bottom side of the upper paper pressing plate, and the bottom end of the spring abuts against the top side of the gasket.

[0014] Further, the follower on the first driving mechanism and the second driving mechanism respectively abuts against the outer periphery of the cam one on the first driving mechanism and the second driving mechanism, the cam one on the third driving mechanism is provided with a cam groove one, and the follower one on the third driving mechanism is in sliding connection with the cam groove one.

[0015] Compared with the prior art, the utility model has the advantages of:

[0016] The servo motor, the speed reducer, the driving wheel, the driven wheel and the synchronous belt are matched, flexible rotation of the connecting shaft is realized, the connecting shaft, the cam and the follower one are matched, flexible rotation of the driven plate one is realized, the driven plate one and the connecting rod one are matched, flexible rotation of the swing plate is realized, the swing plate and the connecting rod two are matched, flexible rotation of the rotating shaft is realized, the rotating shaft, the rotating seat and the connecting rod three are matched, flexible rotation of the swing arm one and the swing arm two is realized, and flexible movement of the sliding seat one and the paper folding plate one is realized, the rotating shaft, the swing arm three and the connecting bearing two are matched, flexible movement of the sliding seat two and the paper folding plate two is realized, a plurality of cam driving mechanisms are driven to operate by a group of servo motors, the paper folding plate one and the paper folding plate two are driven to move and automatically package tea, a plurality of servo motors and air cylinders are avoided to drive the paper folding plate one and the paper folding plate two, and the cable air path pipeline required to be arranged in the main body is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is the overall structure schematic diagram of the utility model

[0018] Figure 2 is the internal structure schematic diagram of the main body of the utility model

[0019] Figure 3 is the structure schematic diagram of the tension spring and the synchronous belt of the utility model

[0020] Figure 4 is the structure schematic diagram of the shaping mechanism of the utility model

[0021] Figure 5 is the structure schematic diagram of the paper pressing mechanism of the utility model

[0022] Figure 6 is the structure schematic diagram of the cam driving mechanism of the utility model

[0023] Figure 7 is the structure schematic diagram of the rear edge folding mechanism of the utility model

[0024] Figure 8 is the structure schematic diagram of the first driving mechanism of the utility model

[0025] Figure 9It is the left and right edge folding mechanism structural schematic diagram of the utility model

[0026] In the drawing, the corresponding relationship of component name and drawing number is:

[0027] 1, main machine body;101, paper placing tool;102, paper collecting tool;103, hot sealing discharging tool;104, feeding tool;2, mounting table;3, fixed frame one;4, light pole one;5, sliding seat one;6, paper folding board one;7, corner piece;8, connecting bearing one;9, fixed frame two;10, light pole two;11, sliding seat two;12, paper folding board two;13, sliding seat three;14, pushing plate;15, connecting bearing two;16, connecting rod;17, fixed seat;18, connecting shaft;19, cam one;20, fixed shaft;21, driven plate one;22, follower one;23, connecting rod one;24, swing plate;25, connecting rod two;26, push plate;27, rotating shaft;28, rotating seat;29, connecting rod three;30, swing arm one;31, swing arm two;32, swing arm three;33, rotating plate;34, cam two;35, driven plate two;36, connecting rod four;37, light pole three;38, moving seat;39, ejecting rod;40, tension spring;41, servo motor;42, mounting seat;43, light pole four;44, sliding table;45, air cylinder one;46, paper cutting die;47, connecting frame;48, paper pressing plate;49, air cylinder two;50, upper paper pressing plate;51, washer. DETAILED DESCRIPTION

[0028] The embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0029] In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more than two;The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0030] In the description of the utility model, need explain, unless have explicit provision and limit, term " link " " connection " should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connect;Can be mechanical connection, also can be electric connection;Can be directly connected, also can be indirectly connected through intermediate medium.

[0031] Embodiments:

[0032] As shown in the accompanying Figure 1 to the accompanying Figure 9 :

[0033] The utility model provides a kind of square cake tea leaf automatic packaging machine, including main body 1, the inside of main body 1 is equipped with shaping mechanism, paper pressing mechanism, paper placing tool 101, paper collecting tool 102, hot sealing discharge tool 103 and feeding tool 104, the inside of main body 1 is fixedly installed with mounting table 2, the top side of mounting table 2 is fixedly installed with fixed plate by multiple groups of support rods, the inside of main body 1 is equipped with three groups of cam drive mechanism, it is first drive mechanism, second drive mechanism and third drive mechanism respectively, the bottom side of mounting table 2 is fixedly connected with fixed seat 17, connecting shaft 18 is rotatably connected on fixed seat 17, the cam drive mechanism includes the cam one 19 of fixed connection with connecting shaft 18, the inside of main body 1 is fixedly installed with fixed shaft 20, the outside of fixed shaft 20 is rotatably connected with driven plate one 21, the one end of driven plate one 21 is rotatably connected with the follower one 22 connected with cam one 19, the one end of driven plate one 21 is rotatably connected with connecting rod one 23, the inside of main body 1 is rotatably connected with swing plate 24, the one end of connecting rod one 23 is rotatably connected with the one end of swing plate 24, the other end of swing plate 24 is rotatably connected with connecting rod two 25, rotating shaft 27 is rotatably connected on mounting table 2, the bottom end of rotating shaft 27 is located at the bottom side of mounting table 2 and is fixedly connected with the dial plate 26, the one end of connecting rod two 25 is rotatably connected with the one end of dial plate 26;The top side of mounting table 2 is installed with rear paper folding mechanism and two groups of left and right paper folding mechanisms arranged symmetrically, the left and right paper folding mechanisms include two groups of fixed frame one 3 fixedly installed on the top side of fixed plate, two groups of light pole one 4 are fixedly installed between two groups of fixed frame one 3, the outside of two groups of light pole one 4 is slidably connected with slide seat one 5, folding board one 6 is fixedly installed on the top side of slide seat one 5, folding angle piece 7 is fixedly installed on the two sides of slide seat one 5, connecting bearing one 8 is rotatably connected on the bottom side of slide seat one 5 and is drivingly connected with first drive mechanism;The rear paper folding mechanism includes two groups of fixed frame two 9 fixedly connected with fixed plate, two groups of light pole two 10 are fixedly installed between two groups of fixed frame two 9, the outside of two groups of light pole two 10 is slidably connected with slide seat two 11, folding board two 12 is fixedly connected on the top side of slide seat two 11, connecting bearing two 15 is rotatably connected on the bottom side of slide seat two 11 and is drivingly connected with second drive mechanism.

[0034] The top end outer side of the rotating shaft 27 on the first driving mechanism is fixedly connected with the rotating seat 28 and the swing arm two 31, the bottom side of the fixed plate is rotatably connected with the swing arm one 30 through the fixed bearing, the rotating seat 28 is rotatably connected with two groups of connecting rods three 29, the other end of the two groups of connecting rods three 29 is rotatably connected with the bottom side of the swing arm one 30, and one end of the two groups of connecting rods three 29 is located on the two sides of the fixed bearing respectively; the swing arm one 30 and the swing arm two 31 are all provided with sliding grooves, the inner sides of the two groups of sliding grooves are slidably connected with the outer sides of the two groups of connecting bearings one 8 respectively, so that the connecting bearings one 8, the sliding seat one 5 and the paper folding board one 6 can be driven to move flexibly.

[0035] The top end outer side of the rotating shaft 27 on the second driving mechanism is fixedly connected with the swing arm three 32, the swing arm three 32 is provided with a through groove, and the inner side of the through groove is slidably connected with the outer side of the connecting bearing two 15, so that the sliding seat two 11 and the paper folding board two 12 can be driven to move flexibly.

[0036] The outer sides of the two groups of light rods two 10 are commonly slidably connected with the sliding seat three 13, the top side of the sliding seat three 13 is fixedly connected with the pushing plate 14, the top end of the rotating shaft 27 on the third driving mechanism is fixedly connected with the rotating plate 33, one end of the rotating plate 33 is rotatably connected with the connecting rod five, the other end of the connecting rod five is rotatably connected with the connecting rod 16, and the top end of the connecting rod 16 is fixedly connected with the bottom side of the sliding seat three 13, so that the tea cakes after being packaged can be automatically pushed out.

[0037] The outer side of the connecting shaft 18 is fixedly connected with the cam two 34, the cam two 34 is provided with a cam groove two, the cam groove two is slidably connected with the follower two, the outer side of the fixed shaft 20 is rotatably connected with the driven plate two 35, the driven plate two 35 is rotatably connected with the follower two, the inner side of the main body 1 is fixedly connected with two groups of light rods three 37, the outer sides of the two groups of light rods three 37 are commonly slidably connected with the moving seat 38, one end of the driven plate two 35 is rotatably connected with the connecting rod four 36, one end of the connecting rod four 36 is rotatably connected with one side of the moving seat 38, and the moving seat 38 is fixedly connected with the material pushing rod 39 through fasteners, so that the tea cakes after being fed and the packaging paper can be automatically pushed upwards to the rear paper folding mechanism and the left and right paper folding mechanisms.

[0038] The inner side of the main body 1 is fixedly connected with the mounting shaft, the outer side of the mounting shaft is connected with three groups of tension springs 40, and the other ends of the three groups of tension springs 40 are connected with the three groups of swing plates 24 respectively.

[0039] The inner side of the main body 1 is fixedly installed with a servo motor 41, the output end of the servo motor 41 is fixedly installed with a speed reducer, the output end of the speed reducer is fixedly installed with a driving wheel, one end of the connecting shaft 18 is fixedly installed with a driven wheel, and the driving wheel and the driven wheel are drivingly connected through a synchronous belt, so that the connecting shaft 18 can be automatically rotated.

[0040] The shaping mechanism includes a mounting seat 42 mounted on the mounting table 2, a plurality of light bars four 43 are fixedly installed on the top side of the mounting seat 42, a sliding table 44 is commonly and slidably connected to the outer sides of the plurality of light bars four 43, a paper cutting die 46 is fixedly installed on the bottom side of the sliding table 44, an installation plate is commonly and fixedly installed on the top ends of the plurality of light bars four 43, a cylinder one 45 is fixedly installed on the top side of the installation plate, the output end of the cylinder one 45 penetrates through the installation plate and is fixedly connected with the top side of the sliding table 44, and the packaging paper can be automatically shaped.

[0041] The paper pressing mechanism includes a connecting frame 47 fixedly installed on the mounting table 2, a paper pressing plate 48 is fixedly installed on one side of the connecting frame 47, a cylinder two 49 is fixedly installed on one side of the connecting frame 47, the output end of the cylinder two 49 is fixedly installed with an upper paper pressing plate 50, a plurality of sliding rods are slidably connected to the upper paper pressing plate 50 through a connecting seat, a spring is sleeved on the outer side of each of the plurality of sliding rods, a gasket 51 is fixedly installed on the bottom end of each of the plurality of sliding rods, the top end of the spring abuts against the bottom side of the upper paper pressing plate 50, and the bottom end of the spring abuts against the top side of the gasket 51, so that the waste paper is prevented from moving together with the packaging paper when the material lifting rod 39 drives the packaging paper to rise.

[0042] The followers one 22 on the first driving mechanism and the second driving mechanism respectively abut against the outer periphery of the cam one 19 on the first driving mechanism and the second driving mechanism, the cam one 19 on the third driving mechanism is provided with a cam groove one, and the follower one 22 on the third driving mechanism is slidably connected with the cam groove one.

[0043] The working principle of the embodiment is: when the tea cakes need to be packaged, the tea cakes are fed through the feeding tool 104, then the servo motor 41 is started to drive the connecting shaft 18 to rotate, the connecting shaft 18 drives the cam two 34 to rotate, the cam two 34 drives the driven plate two 35 to rotate through the follower two, the driven plate two 35 drives the moving seat 38 to move through the connecting rod four 36, the moving seat 38 drives the material lifting rod 39 to move and drives the tea cakes and the packaging paper to move to a suitable position, the connecting shaft 18 drives the cam one 19 to rotate, the cam one 19 drives the driven plate one 21 to rotate through the follower one 22, the driven plate one 21 drives the connecting rod one 23 to move, the connecting rod one 23 drives the swing plate 24 to rotate, the swing plate 24 drives the connecting rod two 25 to move, the connecting rod two 25 drives the push plate 26 and the rotating shaft 27 to rotate, the rotating shaft 27 drives the rotating seat 28 to rotate, the rotating seat 28 drives the swing arm one 30 and the swing arm two 31 to rotate through the connecting rod three 29, and drives the sliding seat one 5 and the folding paper plate one 6 to move, the left and right edges of the packaging paper are folded, at the same time, the rotating shaft 27 drives the swing arm three 32 to rotate, the swing arm three 32 drives the sliding seat two 11 and the folding paper plate two 12 to move through the connecting bearing two 15 and folds the rear side of the packaging paper, the rotating shaft 27 drives the rotating plate 33 to rotate, the rotating plate 33 drives the connecting rod 16 and the sliding seat three 13 to move through the connecting rod five, the sliding seat three 13 drives the tea cakes and the packaging paper to move through the material pushing plate 14, and the front side of the packaging paper is folded and discharged, and the packaging of the tea cakes is completed.

[0044] Embodiments of the present application are presented for the purpose of example and description, and are not exhaustive or limit the present application to the disclosed form. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present application, and to enable those of ordinary skill in the art to understand the present application so as to design various embodiments with various modifications suitable for specific purposes.

Claims

1. An automatic packaging machine for square-shaped tea cakes, comprising a main body (1), wherein a shaping mechanism, a paper pressing mechanism, a paper feeding fixture (101), a paper receiving fixture (102), a heat-sealing and discharging fixture (103), and a feeding fixture (104) are installed on the inner side of the main body (1), and an mounting platform (2) is fixedly installed on the inner side of the main body (1), wherein a fixing plate is fixedly installed on the top side of the mounting platform (2) by multiple sets of support rods, characterized in that: Three sets of cam drive mechanisms are installed on the inner side of the main body (1), namely the first drive mechanism, the second drive mechanism and the third drive mechanism. A fixed seat (17) is fixedly connected to the bottom side of the mounting platform (2). A connecting shaft (18) is rotatably connected to the fixed seat (17). The cam drive mechanism includes a cam (19) fixedly connected to the connecting shaft (18). A fixed shaft (20) is fixedly installed on the inner side of the main body (1). A driven plate (21) is rotatably connected to the outer side of the fixed shaft (20). One end of the driven plate (21) rotates upwards. A follower (22) connected to a cam (19) is rotatably connected to one end of the driven plate (21). A connecting rod (23) is rotatably connected to one end of the driven plate (21). A swing plate (24) is rotatably connected to the inner side of the main body (1). One end of the connecting rod (23) is rotatably connected to one end of the swing plate (24). The other end of the swing plate (24) is rotatably connected to a connecting rod (25). A rotating shaft (27) is rotatably connected to the mounting platform (2). The bottom end of the rotating shaft (27) is located on the bottom side of the mounting platform (2) and is fixedly connected to a lever (26). The connecting rod (25) is rotatably connected to the cam (19). One end of 25) is rotatably connected to one end of the lever (26); the top side of the mounting platform (2) is equipped with a rear folding mechanism and two sets of symmetrically arranged left and right folding mechanisms. The left and right folding mechanisms include two sets of fixed frames (3) fixedly installed on the top side of the fixed plate. Two sets of light rods (4) are fixedly installed between the two sets of fixed frames (3). The outer sides of the two sets of light rods (4) are slidably connected to a slide block (5). A folding board (6) is fixedly installed on the top side of the slide block (5). Folding corner pieces (7) are fixedly installed on both sides of the slide block (5). The bottom side of the slide block (5) is rotatably connected to the connecting bearing (8) which is connected to the first driving mechanism; the rear folding mechanism includes two sets of fixed frames (9) which are fixedly connected to the fixed plate, and two sets of light rods (10) are fixedly installed between the two sets of fixed frames (9). The outer sides of the two sets of light rods (10) are slidably connected to the slide block (11). The top side of the slide block (11) is fixedly connected to the folding board (12), and the bottom side of the slide block (11) is rotatably connected to the connecting bearing (15) which is connected to the second driving mechanism.

2. The automatic packaging machine for square-shaped tea cakes as described in claim 1, characterized in that: A rotating seat (28) and a swing arm two (31) are fixedly installed on the outer side of the top of the rotating shaft (27) on the first drive mechanism. A swing arm one (30) is rotatably connected to the bottom side of the fixed plate through a fixed bearing. Two sets of connecting rods three (29) are rotatably connected to the rotating seat (28). The other ends of the two sets of connecting rods three (29) are rotatably connected to the bottom side of the swing arm one (30), and one end of the two sets of connecting rods three (29) is located on both sides of the fixed bearing. The swing arm one (30) and the swing arm two (31) are both provided with sliding grooves. The inner sides of the two sets of sliding grooves are slidably connected to the outer sides of the two sets of connecting bearings one (8).

3. The automatic packaging machine for square-shaped tea cakes as described in claim 1, characterized in that: A swing arm three (32) is fixedly connected to the outer side of the top end of the rotating shaft (27) on the second drive mechanism. The swing arm three (32) is provided with a through groove, and the inner side of the through groove is slidably connected to the outer side of the connecting bearing two (15).

4. The automatic packaging machine for square-shaped tea cakes as described in claim 1, characterized in that: The outer sides of the two sets of light rods (10) are slidably connected to slide block three (13). A pusher plate (14) is fixedly installed on the top side of slide block three (13). A rotating plate (33) is fixedly connected to the top of the rotating shaft (27) on the third drive mechanism. A connecting rod five is rotatably connected to one end of the rotating plate (33). A connecting rod (16) is rotatably connected to the inner side of the other end of the connecting rod five. The top of the connecting rod (16) is fixedly connected to the bottom side of slide block three (13).

5. The automatic packaging machine for square-shaped tea cakes as described in claim 1, characterized in that: A second cam (34) is fixedly connected to the outer side of the connecting shaft (18). A second cam groove is provided on the second cam (34). A second follower is slidably connected to the inner side of the second cam groove. A second driven plate (35) is rotatably connected to the outer side of the fixed shaft (20). The second driven plate (35) is rotatably connected to the second follower. Two sets of three light rods (37) are fixedly installed on the inner side of the main body (1). A moving seat (38) is slidably connected to the outer side of the two sets of three light rods (37). A fourth connecting rod (36) is rotatably connected to one end of the second driven plate (35). One end of the fourth connecting rod (36) is rotatably connected to one side of the moving seat (38). A top rod (39) is fixedly installed on the moving seat (38) by fasteners.

6. The automatic packaging machine for square-shaped tea cakes as described in claim 1, characterized in that: An installation shaft is fixedly installed on the inner side of the main body (1), and three sets of tension springs (40) are connected to the outer side of the installation shaft. The other ends of the three sets of tension springs (40) are respectively connected to three sets of swing plates (24).

7. The automatic packaging machine for square-shaped tea cakes as described in claim 1, characterized in that: A servo motor (41) is fixedly installed on the inner side of the main body (1). A reducer is fixedly installed at the output end of the servo motor (41). A drive wheel is fixedly installed on the output end of the reducer. A driven wheel is fixedly installed on one end of the connecting shaft (18). The drive wheel and the driven wheel are connected by a synchronous belt drive.

8. The automatic packaging machine for square-shaped tea cakes as described in claim 1, characterized in that: The shaping mechanism includes a mounting base (42) mounted on a mounting platform (2). Multiple sets of four light rods (43) are fixedly mounted on the top side of the mounting base (42). A slide table (44) is slidably connected to the outer side of the multiple sets of four light rods (43). A paper cutting mold (46) is fixedly mounted on the bottom side of the slide table (44). A mounting plate is fixedly mounted on the top of the multiple sets of four light rods (43). A cylinder (45) is fixedly mounted on the top side of the mounting plate. The output end of the cylinder (45) passes through the mounting plate and is fixedly connected to the top side of the slide table (44).

9. The automatic packaging machine for square-shaped tea cakes as described in claim 1, characterized in that: The paper pressing mechanism includes a connecting frame (47) fixedly installed on the mounting platform (2). A lower pressing paperboard (48) is fixedly installed on one side of the connecting frame (47). A cylinder two (49) is fixedly installed on one side of the connecting frame (47). An upper pressing paperboard (50) is fixedly installed at the output end of the cylinder two (49). Multiple sets of sliding rods are slidably connected to the upper pressing paperboard (50) through a connecting seat. Springs are sleeved on the outer side of each set of sliding rods. Washers (51) are fixedly installed on the bottom end of each set of sliding rods. The top end of the spring abuts against the bottom side of the upper pressing paperboard (50), and the bottom end of the spring abuts against the top side of the washer (51).

10. The automatic packaging machine for square-shaped tea cakes as described in claim 1, characterized in that: The follower (22) on the first drive mechanism and the second drive mechanism respectively abuts against the outer periphery of the cam (19) on the first drive mechanism and the second drive mechanism. The cam (19) on the third drive mechanism is provided with a cam groove. The follower (22) on the third drive mechanism is slidably connected to the cam groove.

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