CN219323121U

CN219323121U - Tart skin production line

Info

Publication number: CN219323121U
Application number: CN202320823763.0U
Authority: CN
Inventors: 周日明
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-14
Filing date: 2023-04-14
Publication date: 2023-07-11
Anticipated expiration: 2033-04-14

Abstract

The utility model relates to a tart skin production line. The device comprises a circulating conveying line driven by a driving component and a material carrier arranged on the conveying line; the tart skin forming equipment, the tart skin shortening equipment and the tart skin shaping equipment are sequentially arranged along the conveying direction of the conveying line; the tart skin forming equipment and the tart skin shaping equipment have the same structure; the material carrier comprises a carrier body and a material bearing part, and the material bearing part is rotatably arranged on the carrier body; two or more material bearing parts are arranged on the carrier body; the quantity and distribution of the shortening pressing dies in the tart skin shortening equipment are the same as those of the forming dies in the tart skin forming equipment and the tart skin shaping equipment; the number of the material bearing parts on the material carrier is the same as the number of the forming dies in each row, or the number and the distribution of the material bearing parts are the same as the number and the distribution of the forming dies. The utility model can completely realize the automation of the whole process of forming, shortening and shaping of tart skin processing.

Description

Tart skin production line

Technical Field

The utility model relates to the technical field of crisp food production, in particular to a tart skin production line.

Background

Pizza and egg tart are crisp-type western style pie with stuffing made of egg pulp, are deeply favored by consumers, need to be directly molded on a tinfoil bowl, have complicated processing technology, are difficult to process, and are high in labor participation degree in the whole production process, so that the production efficiency of egg tart skin is seriously restricted, the large-scale production and processing are not facilitated, the product quality standard is not uniform, the production cost of enterprises is greatly improved, and the competitiveness of the enterprises is reduced. The material bearing device for containing the tin foil bowl is a five-flower eight door, but few devices for containing the tin foil bowl can meet the requirement of automation.

The utility model discloses Chinese patent with publication number of CN 214509090U, which discloses egg tart skin automatic production equipment, comprising a material receiving plate, a material receiving plate conveying line, a dough conveying line, a foil bowl throwing mechanism, a dough cutting mechanism, an egg tart skin forming mechanism, a discharging mechanism, a waste collection mechanism and a touch panel, wherein two ends of the material receiving plate are connected with the material receiving plate conveying line, the material receiving plate is uniformly provided with a tin foil bowl bearing part along with the material receiving plate conveying line in a reciprocating manner, the tin foil bowl throwing mechanism, the dough cutting mechanism, the egg tart skin forming mechanism and the discharging mechanism are sequentially arranged on the material receiving plate conveying line along the movement direction of the material receiving plate, the dough conveying line is arranged above the material receiving plate conveying line and matched with the dough cutting mechanism, the waste collection mechanism is arranged at the bottom of the dough cutting mechanism and is positioned at one side of the conveying direction of the dough conveying line and is used for receiving waste, and the material receiving plate conveying line, the dough conveying line, the tin foil bowl throwing mechanism, the cutting mechanism, the egg tart skin forming mechanism, the discharging machine and the waste collection mechanism are all connected with the touch panel and are controlled by the touch panel.

The egg tart skin production equipment can only finish shaping tart skin, can not finish automatic shortening and re-shaping of tart skin, has a complex structure, needs special guide rods to move up and down in shaping equipment, is easy to separate from the equipment, and can not finish the complete flow of tart skin shaping, shortening and shaping.

Disclosure of Invention

The utility model aims to provide a tart skin production line which can completely realize the automation of the whole process of forming, shortening and shaping of tart skin processing.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

a tart skin production line comprises a circulating conveying line driven by a driving component and a material carrier arranged on the circulating conveying line; tart skin forming equipment, tart skin shortening equipment and tart skin shaping equipment are sequentially arranged along the conveying direction of the circulating conveying line; the tart skin forming equipment and the tart skin shaping equipment have the same structure;

the material carrier comprises a carrier body and a material bearing part, and the material bearing part is rotatably arranged on the carrier body; two or more material bearing parts are arranged on the carrier body;

the tart skin forming equipment comprises a first workbench which is arranged on a first frame and is lifted, at least one row of forming dies is arranged below the first workbench, and at least two forming dies are arranged in each row; the forming die comprises a connecting seat, a guide rod, a base and a pressing die, wherein two ends of the guide rod are respectively connected with the connecting seat and the base, the guide rod is sleeved with a first spring, and the guide rod is movably connected with the base; the pressing die is arranged on the connecting seat or the base;

the tart skin shortening device comprises a second workbench, at least one row of connecting holes, a shortening pressing die, a shortening device, a driving device and a driving device, wherein the second workbench is arranged on the second rack and lifted; the swing rod driving mechanism comprises a swing rod driving member, a driving connecting rod and a swing rod connecting rod; the swing rod driving component is connected with the outer end of the driving connecting rod, the inner end of the driving connecting rod is connected with the swing rod connecting rod, and the swing rod connecting rod is simultaneously connected with the upper ends of all the swing rods; the swinging rod stretches into the shortening pressing die, the shortening pressing die is arranged at the connecting hole through a second bearing, and the second workbench is further provided with a shortening pressing die driving mechanism for driving the shortening pressing die to rotate.

The quantity and distribution of the shortening pressing dies in the tart skin shortening equipment are the same as those of the forming dies in the tart skin forming equipment and the tart skin shaping equipment;

the number of the material bearing parts on the material carrier is the same as the number of the forming dies in each row, or the number and the distribution of the material bearing parts are the same as the number and the distribution of the forming dies.

And a cooling device is further arranged between the tart skin shortening device and the tart skin shaping device, and comprises a box body arranged above the conveying line and a cold air pipe arranged in the box body.

The material bearing part is arranged on the carrier body through a first bearing.

The base of the tart skin forming equipment or tart skin shaping equipment is a circular ring, the pressing die comprises a die body with a cylindrical upper part and a pressing head with a hemispherical bottom, the bottom of the die body is connected with the pressing head, and the top of the die body penetrates through the base and is fixedly arranged on the connecting seat;

the first spring is arranged between the connecting seat and the base, or the guide rod is provided with a limiting part, and the first spring is arranged between the limiting part and the base;

the first workbench is provided with a vent hole at the joint of the connecting seat, the die body is a hollow cylindrical body, the vent hole is communicated with the die body, the stamping head is provided with an upward concave part and an inward concave part, the top end of the concave part is provided with an exhaust hole communicated with the bottom of the die body, and the concave part is internally provided with a plugging part for plugging the exhaust hole or opening the exhaust hole.

A heating element is arranged in the die body.

The plugging part comprises a pushing handle and a plugging head, the pushing handle is positioned in the die body, the bottom of the pushing handle extends out of the exhaust hole and is connected with the plugging head, the top of the pushing handle is provided with a limiting part, the pushing handle is sleeved with a reset spring, and the reset spring is arranged between the limiting part and the bottom of the die body; the shape of the blocking head is matched with the shape of the concave part, and the stamping head is hemispherical after the blocking head is embedded into the concave part.

The shortening pressing die in the tart skin shortening equipment comprises a gear-shaped upper pressing ring, a gear-shaped lower pressing ring and a supporting rod, wherein the upper end of the supporting rod is connected with the upper pressing ring, and the lower end of the supporting rod is connected with the lower pressing ring; the support rod is sleeved with a second spring; the upper press ring gears of the shortening press molds are meshed with each other;

the shortening press die driving mechanism comprises a shortening press die driving member and a driving gear driven by the shortening press die driving member, and the driving gear is meshed with an upper press ring gear of one or two shortening press dies.

The second workbench is provided with two or more than two rows of connecting holes, each row of connecting holes is provided with more than two connecting holes, and each connecting hole is provided with a shortening pressing die; each connecting hole is internally provided with a swinging rod;

correspondingly, each row of connecting holes is correspondingly provided with a swing rod connecting rod, the swing rod connecting rod is connected with the upper end of the swing rod arranged in the row of connecting holes, a connecting rod shaft is arranged between the swing rod connecting rods, the inner end of the driving connecting rod is connected with the swing rod connecting rod through the connecting rod shaft, and the outer end of the driving connecting rod is connected with the swing rod driving member;

the driving gear is meshed with an upper pressing ring gear of one shortening pressing die or is meshed with two side-by-side upper pressing ring gears simultaneously.

The second spring is arranged between the upper pressing ring and the lower pressing ring, or the supporting rod is provided with a limiting part, and the second spring is arranged between the limiting part and the lower pressing ring.

The first workbench is connected with the first rack through a first sliding rail; a first driving component for controlling the lifting of the first workbench is arranged on the first rack;

the second workbench is connected with the second rack through a second sliding rail; the second frame is provided with a second driving component for controlling the lifting of the second workbench.

The utility model has the advantages that:

1. shaping tart skin and shortening are integrated in a set of production line, so that the whole process is automated; 2. the material bearing part is rotatably arranged on the tray body, and is matched with the rotation of the shortening pressing die to passively rotate in the shortening processing stage of tart skin processing, so that tart skin can be stirred and beaten in the rotating process, and the tart skin is sufficiently shortening; 3. the forming die and the shortening die can be arranged in multiple ways, so that mass production is realized; 4. the arrangement and the number of the forming dies and the shortening dies are the same, so that the full automation of the production line is ensured.

Drawings

Fig. 1 is a schematic diagram of the structure of the present utility model.

FIG. 2 is a schematic view of a material carrier according to the present utility model.

Fig. 3 is a schematic structural diagram of tart skin forming equipment or tart skin shaping equipment in the utility model.

FIG. 4 is a schematic view of a forming die structure in the present utility model.

FIG. 5 is a view showing a state in which the plugging portion opens the vent hole of the molding die.

Fig. 6 is a schematic diagram of a tart skin shortening device according to the present utility model.

Fig. 7 is a schematic diagram II of a tart skin shortening device.

Fig. 8 is a schematic view of the structure of the crisp pressing mold of the utility model.

In the figure: 1-tart skin forming equipment; 11-a first rack; 12-a first workbench; 13-forming a die; 131-connecting seats; 132-guide bar; 133-a base; 134-pressing; 135-a first spring; 136-die body; 137-stamping head; 14-a first slide rail; 15-a first drive member; 16-heating element; 17-an air inlet hole; 18-plugging part; 181-plugging heads; 182-pushing handle; 183-limit part; 184-return spring; 2-shortening equipment; 21-a second rack; 22-a second workbench; 23-shortening pressing mold; 231-pressing ring; 232-supporting rods; 233-lower press ring; 234-a second spring; 241-swinging rod; 242-a swing link driving member; 243-drive linkage; 244-a swing link; 245-a link shaft; 251-shortening die driving component; 252-a drive gear; 26-a second slide rail; 27-a second drive member; 28-a second bearing; 3-tart skin shaping equipment; 4-a material carrier; 41-a carrier body; 42-material bearing part; 43-first bearing; 5-cooling device.

Detailed Description

The utility model is further described below with reference to the accompanying drawings. The drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

For the sake of brevity in describing the present embodiment, some parts of the drawings or description that are well known to those skilled in the art but not relevant to the main content of the present utility model will be omitted. In addition, some parts in the drawings may be omitted, enlarged or reduced for convenience of description, but do not represent the size or the whole structure of the actual product.

The tart skin production line comprises a circulating conveying line driven by a driving component and a material carrier 4 arranged on the circulating conveying line, as shown in fig. 1; the tart skin forming equipment 1, the tart skin shortening equipment 2 and the tart skin shaping equipment 3 are sequentially arranged along the conveying direction of the circulating conveying line; the tart skin forming equipment 1 and the tart skin shaping equipment 3 have the same structure.

As shown in fig. 2, the material carrier 4 includes a carrier body 41 and a material carrying portion 42, the material carrying portion 42 is used for carrying a tin bowl for placing dough, the material carrying portion 42 is rotatably arranged on the carrier body 41, and the tin bowl rotates along with the material carrying portion 42; two or more material carrying parts 42 are arranged on the carrier body 41; the material carrying portion 42 is provided on the carrier body 41 through a first bearing 43.

As shown in fig. 3, the tart skin forming device 1 or the tart skin shaping device 3 comprises a first workbench 12 which is arranged on a first frame 11 and is lifted, and the first workbench 12 is connected with the first frame 11 through a first sliding rail 14; the first frame 11 is provided with a first driving member 15 for controlling the first table 12 to lift, and the first driving member 15 may be an air cylinder.

At least one row of forming dies 13 is arranged below the first workbench 12, and at least two forming dies 13 are arranged in each row; the forming die 13 comprises a connecting seat 131, a guide rod 132, a base 133 and a pressing die 134, wherein two ends of the guide rod 132 are respectively connected with the connecting seat 131 and the base 133, the guide rod 132 is sleeved with a first spring 135, and the guide rod 132 is movably connected with the base 133; the pressing die 134 is disposed on the connecting base 131 or the base 133; the first spring 135 is disposed between the connection base 131 and the base 133, or the guide rod 132 is provided with a limiting portion, and the first spring 135 is disposed between the limiting portion and the base 133.

Preferably, as shown in fig. 4 and 5, the base 133 is a circular ring, the die 134 includes a die body 136 with a cylindrical upper portion and a stamping head 137 with a hemispherical bottom portion, the bottom of the die body 136 is connected to the stamping head 137, and the top of the die body 136 is fixedly disposed on the connecting base 131 through the base 133. When the forming die 13 descends and the base 133 presses against the upper edge of the material carrying portion 42, the first spring 135 makes the base 133 have an upward margin, i.e., the forming die 13 can continue to descend when the base 133 presses against the upper edge of the material carrying portion 42, so that the pressing head 137 of the pressing die 134 can protrude from the base 133 to press into the dough of the tin bowl, and the first spring 135 can also play a role of buffering.

Further, the connection part of the first working table 12 and the connecting seat 131 is provided with a vent hole 17, the vent hole 17 is communicated with a high-pressure air source, the die body 136 is a hollow cylindrical body, the vent hole 17 is communicated with the die body 136, high-pressure air can enter the die body 136 from the vent hole 17, the stamping head 137 is provided with an upward concave part 138 and an inward concave part 138, the top end of the concave part 138 is provided with an exhaust hole penetrating the bottom of the die body 136, the concave part 138 is internally provided with a blocking part 18 for blocking the exhaust hole or opening the exhaust hole, the shape of the blocking head 181 is matched with that of the concave part 138, the stamping head 137 is hemispherical after the blocking head 181 is embedded into the concave part 138, the high-pressure air source is opened and closed in a rhythmic manner, and the high-pressure air is intermittently stamped into the die body 136, so that the blocking part 18 is pushed out from the inside of the stamping head 137, and the exhaust hole is opened and blocked in a intermittent manner.

Preferably, as shown in fig. 5, the plugging portion 18 includes a pushing handle 182 and a plugging head 181, the pushing handle 182 is located inside the mold 136, the bottom of the pushing handle 182 extends out from the air vent and is connected with the plugging head 181, a limiting portion 183 is disposed at the top of the pushing handle 182, a return spring 184 is sleeved on the pushing handle 182, and the return spring 184 is disposed between the limiting portion 183 and the bottom of the mold 136. After the high-pressure air source is opened and high-pressure air is flushed into the die body 136 through the vent hole 17, the pushing handle 182 is pushed to move towards the bottom of the die body 136, the reset spring 184 is compressed, the blocking head 181 moves towards the outside of the stamping head 137, the vent hole is opened, air is flushed out from the vent hole at the bottom of the die body 136, the high-pressure air source is closed, the reset spring 184 is reset, and the blocking head 181 blocks the vent hole again.

Further, the heating element 16 is disposed in the die body 136, so that the stamping head 137 can be heated to a certain temperature, and the tart skin can be quickly shaped when the stamping head 137 contacts with the tart skin.

As shown in fig. 6, the tart skin shortening device 2 comprises a second workbench 22 which is arranged on a second rack 21 and is lifted, wherein the second workbench 22 is connected with the second rack 21 through a second sliding rail 26; the second frame 21 is provided with a second driving member 27 for controlling the elevation of the second table 22. The second drive member 27 may be a servo motor.

At least one row of connecting holes are formed in the second workbench 22, and a shortening pressing die 23 is rotatably arranged in each connecting hole below the second workbench 22, wherein a shortening device is arranged above the second workbench 22 and comprises a swinging rod driving mechanism and a swinging rod 241 arranged in each connecting hole; the swing link driving mechanism comprises a swing link driving member 242, a driving link 243 and a swing link 244; the swing rod driving member 242 is connected with the outer end of the driving connecting rod 243, the inner end of the driving connecting rod 243 is connected with the swing rod connecting rod 244, and the swing rod connecting rod 244 is simultaneously connected with the upper end of each swing rod 241; the output end of the swing rod driving member 242 can be provided with an eccentric wheel, the outer end of the driving connecting rod 243 is connected with the eccentric wheel, and along with the rotation of the eccentric wheel, the outer end of the driving connecting rod 243 moves in an elliptical track, so as to drive the swing rod connecting rod 244 to reciprocate left and right; or, the output end of the swing rod driving member 242 is fixedly provided with a crank, the outer end of the driving connecting rod 243 is connected with the free end of the crank, the swing rod driving member 242 drives the crank to move circularly, and the outer end of the driving connecting rod 243 moves circularly along with the crank to drive the swing rod 244 to reciprocate left and right.

As shown in fig. 8, the shortening pressing die 23 comprises a gear-shaped upper pressing ring 231, a gear-shaped lower pressing ring 233 and a supporting rod 232, wherein the upper end of the supporting rod 232 is connected with the upper pressing ring 231, and the lower end of the supporting rod 232 is connected with the lower pressing ring 233; the support rod 232 is sleeved with a second spring 234; the second spring 234 may be disposed between the upper pressure ring 231 and the lower pressure ring 233, or a limit portion may be disposed on the support bar 232, and the second spring 234 may be disposed between the limit portion and the lower pressure ring 233; the second spring 234 serves as a buffer when the lower pressure ring 233 contacts the material carrier 42.

The upper press ring 231 gears of the respective shortening press molds 23 are engaged with each other; the swing rod 241 extends into the shortening press 23, the shortening press 23 is arranged at the connecting hole through the second bearing 28, and the second workbench 22 is further provided with a shortening press driving mechanism for driving the shortening press 23 to rotate.

As shown in fig. 7, the driving mechanism of the shortening press 23 includes a shortening press driving member 251 and a driving gear 252 driven by the same, and the driving gear 252 is in gear engagement with the upper press ring 231 of one or both shortening presses.

Further, the second working table 22 is provided with two or more rows of connecting holes, each row is provided with more than two connecting holes, and each connecting hole is provided with a shortening pressing die 23; each connecting hole is internally provided with a swinging rod 241;

correspondingly, each row of connecting holes is correspondingly provided with a swing link 244, the swing link 244 is connected with the upper end of a swing link 241 arranged in the row of connecting holes, a link shaft 245 is arranged between the swing link 244, the inner end of a driving link 243 is connected with the swing link 244 through the link shaft 245, and the outer end of the driving link 243 is connected with a swing link driving member 242;

the driving gear 252 is geared with the upper press ring 231 of one shortening die or geared with two upper press rings 231 side by side at the same time.

The number and distribution of the shortening pressing dies 23 in the tart skin shortening equipment 2 are the same as the number and distribution of the forming dies 13 in the tart skin forming equipment 1 and the tart skin shaping equipment 3; that is, for example, when the forming dies 13 in the tart skin forming device 1 and the tart skin shaping device 3 are 6 in a row, the shortening dies 23 in the tart skin shortening device 2 are correspondingly arranged in a row of 6; if the forming mould 13 in the tart skin forming equipment 1 and the tart skin shaping equipment 3 is in two rows and 6 in each row, correspondingly, the shortening pressing mould 23 in the tart skin shortening equipment 2 is also in two rows and 6 in each row; and so on.

The number of the material carrying parts 42 on the material carrier 4 is the same as the number of the forming dies 13 in each row, namely the number of the shortening dies 23 in each row; or the number and distribution of the material carrying parts 42 are the same as those of the forming die 13 or the shortening die 23, i.e. for example, the forming die 13 or the shortening die 23 are arranged in two rows and 6 rows, the material carrying parts 42 on the material carrier 4 are also arranged in two rows and 6 rows, and so on.

As shown in fig. 1, a cooling device 5 is further arranged between the tart skin shortening device 2 and the tart skin shaping device 3, and the cooling device 5 comprises a box body arranged above the conveying line and a cold air pipe arranged in the box body. The surface of the tart skin after shortening can be cooled, and the adhesion during the shaping of the tart skin in the next step is reduced.

When the tin bowl is used, firstly, a tin bowl filled with dough is placed in a material bearing part 42 of a material carrier 4, a circulating conveying line is started, the material carrier 4 is placed on the circulating conveying line, the material carrier 4 moves to a tart skin forming device 1, a first driving member 15 drives a first workbench 12 to descend, a forming die 13 descends along with the first workbench 12, a stamping head 137 of a pressing die 134 is pressed into the dough in the material bearing part 42, the dough is pressed into a bowl-shaped tart Pi Chuxing, then the first driving member 15 drives the first workbench 12 to ascend, a high-pressure air source is started, a blocking head 181 is flushed by the high-pressure air source, the air is flushed to a rudiment tart skin in the tin bowl through an exhaust hole, and the tart skin is blown away from the stamping head 137; and (5) finishing the tart skin forming process.

The material carrier 4 moves to the tart skin shortening equipment 2 along with a circulating conveying line, the second driving member 27 drives the second workbench 22 to descend to drive the shortening pressing die 23 to descend, meanwhile, the swing rod driving member 242 and the shortening pressing die driving member 251 are started, the shortening pressing die driving member 251 drives the driving gear 252 to rotate to drive the upper pressing ring 231 to rotate to drive the shortening pressing die 23 to rotate, the swing rod driving member 242 drives the driving connecting rod 243 to drive the swing rod connecting rod 244 to reciprocate left and right, and accordingly the swing rod 241 is driven to swing left and right.

The shortening pressing die 23 descends to the upper edge of the material bearing part 42, the swinging rod 241 is inserted into tart skin of the tin bowl, the shortening pressing die 23 rotates to drive the material bearing part 42 to rotate, the swinging rod 241 swings left and right, and the tart skin is beaten by the swinging rod 241 while rotating, so that the tart skin is sufficiently shortening.

After tart skin shortening processing steps are completed, the material carrier 4 is conveyed to the cooling equipment 5 by the circulating conveying line, and cold air is supplied to tart Pi Chuisong by a cold air pipe of the cooling equipment 5, so that the tart skin surface is cooled and shaped. And then the tart skin shaping equipment 3 is sent to carry out shaping, and the operation process is the same as the tart skin shaping equipment 1 because the structure of the tart skin shaping equipment 3 is the same as that of the tart skin shaping equipment 1.

After the material carrier 4 is conveyed out of the tart skin shaping equipment 3, the material carrier is taken down, and tart skin processing is completed entirely.

The foregoing description is merely illustrative of the preferred embodiments of the present utility model, and is not intended to limit the scope of the present utility model. Equivalent changes and modifications are intended to be within the scope of the present utility model as defined in the appended claims.

Claims

1. A tart skin production line comprises a circulating conveying line driven by a driving component and a material carrier (4) arranged on the circulating conveying line; the method is characterized in that: tart skin forming equipment (1), tart skin shortening equipment (2) and tart skin shaping equipment (3) are sequentially arranged along the conveying direction of the circulating conveying line; the tart skin forming equipment (1) and the tart skin shaping equipment (3) have the same structure;

the material carrier (4) comprises a carrier body (41) and a material bearing part (42), wherein the material bearing part (42) is rotatably arranged on the carrier body (41); two or more material bearing parts (42) are arranged on the carrier body (41);

the tart skin forming equipment (1) comprises a first workbench (12) which is arranged on a first frame (11) and ascends and descends, at least one row of forming dies (13) is arranged below the first workbench (12), and at least two forming dies (13) are arranged in each row; the forming die (13) comprises a connecting seat (131), a guide rod (132), a base (133) and a pressing die (134), wherein two ends of the guide rod (132) are respectively connected with the connecting seat (131) and the base (133), the guide rod (132) is sleeved with a first spring (135), and the guide rod (132) is movably connected with the base (133); the pressing die (134) is arranged on the connecting seat (131) or the base (133);

the tart skin shortening device (2) comprises a second workbench (22) which is arranged on a second frame (21) and is lifted, wherein at least one row of connecting holes are formed in the second workbench (22), a shortening pressing die (23) is rotatably arranged in each connecting hole below the second workbench (22), and a shortening device is arranged above the second workbench (22) and comprises a swinging rod driving mechanism and a swinging rod (241) arranged in each connecting hole; the swing rod driving mechanism comprises a swing rod driving member (242), a driving connecting rod (243) and a swing rod connecting rod (244); the swing rod driving member (242) is connected with the outer end of the driving connecting rod (243), the inner end of the driving connecting rod (243) is connected with the swing rod connecting rod (244), and the swing rod connecting rod (244) is simultaneously connected with the upper ends of the swing rods (241); the swinging rod (241) stretches into the shortening pressing die (23), the shortening pressing die (23) is arranged at the connecting hole through a second bearing (28), and the second workbench (22) is also provided with a shortening pressing die driving mechanism for driving the shortening pressing die (23) to rotate;

the number and the distribution of the shortening pressing dies (23) in the tart skin shortening equipment (2) are the same as those of the forming dies (13) in the tart skin forming equipment (1) and the tart skin shaping equipment (3);

the number of the material bearing parts (42) on the material carrier (4) is the same as the number of the forming dies (13) in each row, or the number and the distribution of the material bearing parts (42) are the same as the number and the distribution of the forming dies (13).

2. The tart skin line of claim 1, wherein: and a cooling device (5) is further arranged between the tart skin shortening device (2) and the tart skin shaping device (3), and the cooling device (5) comprises a box body arranged above the conveying line and a cold air pipe arranged in the box body.

3. The tart skin line of claim 1, wherein: the material carrying part (42) is arranged on the carrier body (41) through a first bearing (43).

4. The tart skin line of claim 1, wherein: the base (133) of the tart skin forming equipment (1) or the tart skin shaping equipment (3) is a circular ring, the pressing die (134) comprises a cylindrical die body (136) with the upper part and a hemispherical stamping head (137) with the bottom part, the bottom part of the die body (136) is connected with the stamping head (137), and the top part of the die body (136) penetrates through the base (133) to be fixedly arranged on the connecting seat (131);

the first spring (135) is arranged between the connecting seat (131) and the base (133), or a limiting part is arranged on the guide rod (132), and the first spring (135) is arranged between the limiting part and the base (133).

5. The tart skin line of claim 4, wherein: the connecting part of the first workbench (12) and the connecting seat (131) is provided with a vent hole (17), the die body (136) is a hollow cylindrical body, the vent hole (17) is communicated with the die body (136), the stamping head (137) is provided with an upward and inward concave part (138), the top end of the concave part (138) is provided with an exhaust hole communicated with the bottom of the die body (136), and the concave part (138) is internally provided with a blocking part (18) for blocking the exhaust hole or opening the exhaust hole;

a heating element (16) is disposed within the mold body (136).

6. The tart skin line of claim 5, wherein: the plugging part (18) comprises a pushing handle (182) and a plugging head (181), the pushing handle (182) is positioned in the die body (136), the bottom of the pushing handle (182) extends out of the exhaust hole and is connected with the plugging head (181), the top of the pushing handle (182) is provided with a limiting part (183), the pushing handle (182) is sleeved with a return spring (184), and the return spring (184) is arranged between the limiting part (183) and the bottom of the die body (136); the shape of the blocking head (181) is matched with the shape of the concave part (138), and after the blocking head (181) is embedded into the concave part (138), the stamping head (137) presents a hemispherical shape.

7. The tart skin line of claim 1, wherein: the shortening pressing die (23) in the tart skin shortening equipment (2) comprises a gear-shaped upper pressing ring (231), a gear-shaped lower pressing ring (233) and a supporting rod (232), wherein the upper end of the supporting rod (232) is connected with the upper pressing ring (231), and the lower end of the supporting rod (232) is connected with the lower pressing ring (233); the support rod (232) is sleeved with a second spring (234); the gears of the upper pressing rings (231) of the shortening pressing dies (23) are meshed with each other;

the shortening press die (23) driving mechanism comprises a shortening press die driving component (251) and a driving gear (252) driven by the shortening press die driving component, and the driving gear (252) is in gear engagement with an upper pressing ring (231) of one or two shortening press dies.

8. The tart skin line of claim 7, wherein: the second workbench (22) is provided with two or more than two rows of connecting holes, each row is provided with more than two connecting holes, and each connecting hole is provided with a shortening pressing die (23); each connecting hole is internally provided with a swinging rod (241);

correspondingly, each row of connecting holes is correspondingly provided with a swing rod connecting rod (244), the swing rod connecting rods (244) are connected with the upper ends of swing rods (241) arranged in the row of connecting holes, connecting rod shafts (245) are arranged between the swing rod connecting rods (244), the inner ends of driving connecting rods (243) are connected with the swing rod connecting rods (244) through the connecting rod shafts (245), and the outer ends of the driving connecting rods (243) are connected with swing rod driving members (242);

the driving gear (252) is meshed with the gears of the upper pressing rings (231) of one shortening pressing die or simultaneously meshed with the gears of the two upper pressing rings (231) which are arranged side by side.

9. The tart skin line of claim 7, wherein: the second spring (234) is arranged between the upper pressing ring (231) and the lower pressing ring (233), or a limiting part is arranged on the supporting rod (232), and the second spring (234) is arranged between the limiting part and the lower pressing ring (233).

10. The tart skin line of claim 1, wherein: the first workbench (12) is connected with the first rack (11) through a first sliding rail (14); a first driving component (15) for controlling the lifting of the first workbench (12) is arranged on the first rack (11);

the second workbench (22) is connected with the second rack (21) through a second sliding rail (26); a second driving member (27) for controlling the second table (22) to lift is provided on the second frame (21).