Cocoon cooking machine for silk production

Abstract

The utility model discloses a cocoon cooking machine for silk production, and relates to the technical field of silk processing. The cooking device comprises a cooking box body, a cooking groove is formed in one side of the top of the cooking box body, a carrying assembly is arranged at the top of the cooking box body and corresponds to the cooking groove in position, and a discharging assembly is arranged on the side, away from the cooking groove, of the top of the cooking box body. Compared with the operation of placing the silkworm cocoons in batches, by arranging the carrying assembly and arranging the silkworm cocoons in a unified mode and soaking and cooking the silkworm cocoons, the convenience of feeding and cooking the silkworm cocoons by workers can be improved, and therefore the overall cooking efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to silkworm silk processing technical field especially relates to a cocoon boiling machine for silkworm silk production. BACKGROUND

[0002] Cocoon boiling is a key process in silk making, and the main purpose of cocoon boiling is to make the sericin on cocoon fully swell, through heat treatment of the cocoon after permeation, to improve the activity of water molecules, so that water molecules can enter the sericin, weaken the binding force between sericin molecules, and achieve the effect of proper swelling.

[0003] Referring to the granted announcement number "CN209836371U" discloses a cocoon boiling machine, which records: "to solve the problem of uneven heating of cocoon in the cocoon boiling frame, and has the advantages of automatic feeding and uniform heating".

[0004] During the implementation of the patent, the applicant found that the patent has the following technical problems:

[0005] Because the cocoon boiling machine set in the patent needs to place the cocoon separately in the cocoon boiling frame before boiling, and then complete the cocoon boiling operation by driving the soaking of multiple cocoon boiling frames, the number of cocoon boiling frames is too large, so it is cumbersome to place and take the cocoon inside the cocoon boiling frame, which will affect the cocoon boiling efficiency, therefore, a cocoon boiling machine for silkworm silk production is needed to provide a new technical solution to solve the technical problems mentioned in the above patent. UTILITY MODEL CONTENTS

[0006] Therefore, a cocoon boiling machine for silkworm silk production is provided to solve the technical problems mentioned in the background art: because the cocoon boiling machine set in the patent needs to place the cocoon separately in the cocoon boiling frame before boiling, and then complete the cocoon boiling operation by driving the soaking of multiple cocoon boiling frames, the number of cocoon boiling frames is too large, so it is cumbersome to place and take the cocoon inside the cocoon boiling frame, which will affect the cocoon boiling efficiency.

[0007] The utility model adopts the following technical solutions:

[0008] The cocoon boiling machine for silkworm silk production specifically includes a boiling box body, a boiling groove is formed on one side of the top of the boiling box body, a carrying assembly is arranged on the top of the boiling box body, and the position of the carrying assembly corresponds to the boiling groove, and a discharging assembly is arranged on the side of the top of the boiling box body away from the boiling groove.

[0009] Further, the carrying assembly comprises fixed support plates, a first motor, a first screw rod and a first fixed rod, both ends of the top of the cooking box body are fixedly connected with fixed support plates, and both of the two fixed support plates are located at the top of both ends of the cooking groove, both ends of the two fixed support plates close to each other are provided with first movable grooves, and the bottom of the first movable groove extends to the inner side of both ends of the cooking groove, one of the fixed support plates is fixedly connected with a first motor at the top, the output of the bottom of the first motor extends to the inner side of the first movable groove and is fixedly connected with a first screw rod, and the bottom of the first screw rod is rotationally connected with the bottom of the inner side of the first movable groove, and the other first movable groove is fixedly connected with a first fixed rod.

[0010] Further, the carrying assembly further comprises first movable blocks, rotating rods, a cooking cylinder, connecting plates and a closing plate, the inner side of the first movable groove is gap-fitted with a first movable block, one of the first movable blocks is threadedly connected with the first screw rod, the other first movable block is slidably connected with the first fixed rod, both ends of the two first movable blocks close to each other are rotationally connected with rotating rods, a cooking cylinder is arranged between the two first movable blocks, a through hole is formed at the top of the outer side of the cooking cylinder, a counterweight is fixedly connected to the bottom of the outer side of the cooking cylinder, one end of the rotating rod away from the first movable block penetrates through both ends of the cooking cylinder and extends to the inner side of the cooking cylinder, both ends of the cooking cylinder are rotationally connected with the rotating rod, the outer side of one end of the rotating rod located at the inner side of the cooking cylinder is fixedly connected with a connecting plate, a closing plate is arranged at the inner side of the cooking cylinder, the closing plate is in close contact with the inner wall of the cooking cylinder, the closing plate blocks the through hole, and both ends of the closing plate are fixedly connected with the two connecting plates.

[0011] Further, the carrying assembly further comprises a second motor, a first gear and a second gear, one end of the first movable block close to the rotating rod is fixedly connected with a second motor at the top, the output end of the second motor close to the rotating rod is fixedly connected with a first gear, the outer side of the rotating rod close to the second motor is fixedly connected with a second gear, the second gear is located at the outer side of the cooking cylinder, and the second gear is meshingly connected with the first gear.

[0012] Further, the discharging assembly comprises tooth blocks, a third motor, a second screw rod, a discharging platform and a second movable block, the outer sides of the two ends of the cooking cylinder are provided with a plurality of tooth blocks in a circumferential array and fixedly connected, a second movable groove is formed in the top of the cooking box body away from the cooking groove, the outer side of the cooking box body away from the cooking groove is fixedly connected with the third motor, and the third motor is correspondingly arranged with the second movable groove, the output end of the third motor extends to the inner side of the second movable groove and is fixedly connected with the second screw rod, the side of the second screw rod away from the third motor is rotationally connected with the inner side of the second movable groove, the top of the cooking box body away from the cooking groove is provided with the discharging platform, the bottom of the discharging platform is fixedly connected with the second movable block on the side close to the third motor, and the second movable block extends to the inner side of the second movable groove and is threadedly connected with the second screw rod.

[0013] Further, the discharging assembly further comprises tooth plates, a fixed plate and extension rods, the two ends of the top of the discharging platform are fixedly connected with tooth plates, the tooth plates are in meshing engagement with the plurality of tooth blocks at the same end, the side of the discharging platform close to the cooking groove is fixedly connected with the fixed plate, the bottom of the fixed plate extends to the inner side of the cooking groove, and the two ends of the bottom of the fixed plate close to the side of the second movable block are fixedly connected with extension rods, and the extension rods are in gap engagement with the inner sides of the side walls of the cooking groove close to the side of the second movable block.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The cocoon cooking machine for silk production provided by the utility model can improve the convenience of cocoon feeding and cooking of workers, thereby improving the overall cooking efficiency.

[0016] The cocoon cooking machine for silk production provided by the utility model can reduce the work intensity of workers, thereby further improving the overall cocoon cooking efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the scheme in the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without any creative labor.

[0018] Figure 1 The overall structure schematic view of the cocoon cooking machine for silk production provided by the utility model is shown in the figure.

[0019] Figure 2 A structure schematic view of a steaming cylinder of a cocoon boiling machine for silk production is provided in the utility model;

[0020] Figure 3 A structure schematic view of a sealing plate of a cocoon boiling machine for silk production is provided in the utility model;

[0021] Figure 4 A structure schematic view of a discharging platform of a cocoon boiling machine for silk production is provided in the utility model;

[0022] Figure 5 A structure schematic view of an extension rod of a cocoon boiling machine for silk production is provided in the utility model.

[0023] In the drawings, the components represented by each reference numeral are listed as follows:

[0024] 1, steaming box body; 2, carrying assembly; 3, discharging assembly; 4, fixed support plate; 5, first motor; 6, first screw rod; 7, first fixed rod; 8, first movable block; 9, rotating rod; 10, steaming cylinder; 11, connecting plate; 12, sealing plate; 13, second motor; 14, first gear; 15, second gear; 16, tooth block; 17, third motor; 18, second screw rod; 19, discharging platform; 20, second movable block; 21, toothed plate; 22, fixed plate; 23, extension rod. DETAILED DESCRIPTION

[0025] In order to enable personnel in the art to better understand the utility model scheme, the technical scheme in the utility model embodiments will be clearly and completely described below in conjunction with the drawings in the utility model embodiments. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the utility model.

[0026] As in the background art, since the cocoon boiling machine set in the patent needs to place cocoon in the cocoon frame separately before steaming and boiling cocoon, and then completes the cocoon boiling operation by driving soaking of multiple cocoon frames, it is relatively cumbersome to place cocoon in the inside of the cocoon frame and take cocoon due to too many cocoon frames, thereby affecting the cocoon boiling efficiency.

[0027] In order to solve this technical problem, the utility model provides a cocoon boiling machine for silk production, which can improve the convenience of cocoon feeding and boiling for workers by setting cocoon to be placed and soaked uniformly, compared with the operation of placing cocoon in batches, thereby improving the overall boiling efficiency.

[0028] Specifically, please refer toFigure 1 The cocoon cooking machine for silk production comprises a cooking box body 1, a cooking groove is formed on one side of the top of the cooking box body 1, a carrying assembly 2 is arranged on the top of the cooking box body 1, and the carrying assembly 2 is located in correspondence with the cooking groove, and a discharging assembly 3 is arranged on the side of the top of the cooking box body 1 away from the cooking groove.

[0029] In order for those skilled in the art to better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the drawings.

[0030] Embodiment 1:

[0031] Please refer to Figure 1 The cocoon cooking machine for silk production comprises a cooking box body 1, a cooking groove is formed on one side of the top of the cooking box body 1, a carrying assembly 2 is arranged on the top of the cooking box body 1, and the carrying assembly 2 is located in correspondence with the cooking groove, and a discharging assembly 3 is arranged on the side of the top of the cooking box body 1 away from the cooking groove.

[0032] In use, cooking water is placed inside the cooking groove, then the cocoon is placed inside the carrying assembly 2, and the cocoon is soaked in the cooking water by the carrying assembly 2, then the cooking box body 1 is turned on to heat the cooking water, thereby achieving the effect of cooking the cocoon.

[0033] After the cocoon is cooked, the cocoon inside the carrying assembly 2 can be discharged by the discharging assembly 3, thereby reducing the work intensity of the workers and improving the overall cocoon cooking efficiency.

[0034] Embodiment 2:

[0035] The embodiment 2 is used to further disclose the specific structure of the carrying assembly 2 on the premise of the above-mentioned embodiments, and the carrying assembly 2 is matched with the structure in the above-mentioned embodiments, so that the cocoon is uniformly placed and soaked, compared with the operation of placing the cocoon in batches, the convenience of the workers in loading and cooking the cocoon is improved, thereby improving the overall cooking efficiency.

[0036] The cocoon cooking machine for silk production provided in embodiment 1 is further optimized, specifically, Figures 2-3As shown, the carrying assembly 2 comprises a fixed support plate 4, a first motor 5, a first screw rod 6 and a first fixed rod 7, both ends of the top of the cooking box body 1 are fixedly connected with the fixed support plate 4, and the two fixed support plates 4 are located at the top of both ends of the cooking groove, and the end of the two fixed support plates 4 close to each other is provided with a first movable groove, and the bottom of the first movable groove extends to the inside of both ends of the cooking groove, wherein one of the fixed support plates 4 is fixedly connected with the first motor 5 at the top, the output of the bottom of the first motor 5 extends to the inside of the first movable groove and is fixedly connected with the first screw rod 6, and the bottom of the first screw rod 6 is rotatably connected with the inside bottom of the first movable groove, and the other first movable groove is fixedly connected with the first fixed rod 7.

[0037] The carrying assembly 2 further comprises a first movable block 8, a rotating rod 9, a cooking cylinder 10, a connecting plate 11 and a closing plate 12, the first movable block 8 is gap-fitted in the inside of the first movable groove, one of the first movable blocks 8 is threadedly connected with the first screw rod 6, the other first movable block 8 is slidably connected with the first fixed rod 7, the end of the two first movable blocks 8 close to each other is rotatably connected with the rotating rod 9, the cooking cylinder 10 is arranged between the two first movable blocks 8, the top of the outside of the cooking cylinder 10 is provided with an opening, the bottom of the outside of the cooking cylinder 10 is fixedly connected with a counterweight, the end of the rotating rod 9 away from the first movable block 8 penetrates through both ends of the cooking cylinder 10 and extends to the inside of the cooking cylinder 10, and both ends of the cooking cylinder 10 are rotatably connected with the rotating rod 9, the outside of the end of the rotating rod 9 located inside the cooking cylinder 10 is fixedly connected with the connecting plate 11, the inside of the cooking cylinder 10 is provided with the closing plate 12, the inside wall of the cooking cylinder 10 is abutted with the closing plate 12, the closing plate 12 plays a plugging role for the opening, and both ends of the closing plate 12 are fixedly connected with the two connecting plates 11.

[0038] The carrying assembly 2 further comprises a second motor 13, a first gear 14 and a second gear 15, one end of the top of the first movable block 8 close to the rotating rod 9 is fixedly connected with the second motor 13, the output end of the end of the second motor 13 close to the rotating rod 9 is fixedly connected with the first gear 14, the outside of the rotating rod 9 close to the second motor 13 is fixedly connected with the second gear 15, the second gear 15 is located outside the cooking cylinder 10, and the second gear 15 is meshingly connected with the first gear 14.

[0039] Specifically, before cooking, the silkworm chrysalis can be put into the inside of the cooking cylinder 10 through the opening of the cooking cylinder 10;

[0040] Subsequently, by starting the second motor 13 and driving the first gear 14 to rotate, through the meshing connection of the first gear 14 and the second gear 15, the rotating rod 9 fixedly connected with the second gear 15 can be driven to rotate outside the first movable block 8, so that the connecting plate 11 inside the cooking cylinder 10 can be driven to rotate around the rotating rod 9 as the center, thereby driving the sealing plate 12 fixedly connected with the connecting plate 11 to move synchronously inside the cooking cylinder 10 and to the position corresponding to the opening, thereby achieving the sealing effect of the cooking cylinder 10, thereby avoiding the phenomenon that the cocoon flows out through the opening of the cooking cylinder 10 during the cooking process;

[0041] Through the setting that the counterweight is fixedly connected to the bottom of the cooking cylinder 10, the position of the cooking cylinder 10 can be maintained during the rotation of the rotating rod 9, so that the opening of the cooking cylinder 10 can be kept at an upward angle;

[0042] Subsequently, the first motor 5 is started, which can drive the first screw 6 to rotate inside the first movable groove, thereby driving the first movable block 8 threadedly connected with the first screw 6 to move up and down inside the first movable groove. At the same time, through the linkage of the cooking cylinder 10 and the rotating rod 9, the other first movable block 8 can be driven to move synchronously inside the other first movable groove. Through the sliding connection of the other first movable block 8 and the first fixed rod 7, the stability of the movement of the cooking cylinder 10 can be maintained, thereby driving the cooking cylinder 10 and the cocoon inside the cooking cylinder 10 to move downward from between the two fixed support plates 4 to the inside of the cooking groove.

[0043] The above-mentioned motors are all motors with power-off self-locking capability, such as servo motors.

[0044] Embodiment 3:

[0045] The embodiment 3 is used to further disclose the specific structure of the discharging assembly 3 under the premise of the above-mentioned embodiments. Through the cooperation of the discharging assembly 3 and the structure in the above-mentioned embodiments, the operation of directly discharging the cooked cocoon can be achieved, which can reduce the work intensity of the workers, thereby further improving the overall cocoon cooking efficiency.

[0046] The cocoon cooking machine for silk production provided in the embodiment 1 and the embodiment 2 is further optimized, specifically, Figures 4-5As shown, the discharging assembly 3 comprises a tooth block 16, a third motor 17, a second screw rod 18, a discharging platform 19 and a second movable block 20, the outer side of the two ends of the cooking cylinder 10 is arranged in a circular array and fixedly connected with a plurality of tooth blocks 16, a second movable groove is formed in the top of the cooking box body 1 away from one side of the cooking tank, the outer side of the side of the cooking box body 1 away from the cooking tank is fixedly connected with the third motor 17, and the third motor 17 is correspondingly arranged at the position of the second movable groove, the output end of the third motor 17 extends to the inner side of the second movable groove and is fixedly connected with the second screw rod 18, the side of the second screw rod 18 away from the third motor 17 is rotationally connected with the inner side of the second movable groove, the top of the side of the cooking box body 1 away from the cooking tank is provided with the discharging platform 19, the bottom of the discharging platform 19 is fixedly connected with the second movable block 20 on the side close to the third motor 17, and the second movable block 20 extends to the inner side of the second movable groove and is threadedly connected with the second screw rod 18.

[0047] The discharging assembly 3 further comprises a tooth plate 21, a fixed plate 22 and an extension rod 23, both ends of the top of the discharging platform 19 are fixedly connected with the tooth plate 21, the tooth plate 21 is in meshing cooperation with the plurality of tooth blocks 16 at the same end, the side of the discharging platform 19 close to the cooking tank is fixedly connected with the fixed plate 22, the bottom of the fixed plate 22 extends to the inner side of the cooking tank, both ends of the side of the bottom of the fixed plate 22 close to the second movable block 20 are fixedly connected with the extension rod 23, and the extension rod 23 is in gap cooperation with the inner side of the side wall of the side of the cooking tank close to the second movable block 20.

[0048] Specifically, after the silkworm cocoons are cooked, the first motor 5 is turned on to drive the first screw rod 6 to rotate, so that the cooking cylinder 10 can be moved upward, and the cooking cylinder 10 is moved to the top of the cooking water;

[0049] Then, the third motor 17 is turned on to drive the second screw rod 18 to rotate in the second movable groove, so that the second movable block 20 threadedly connected with the second screw rod 18 can be moved in the second movable groove to the side close to the cooking cylinder 10, so that the discharging platform 19 fixedly connected with the second movable block 20 can be synchronously moved on the top of the cooking box body 1 and extended to the top of the cooking cylinder 10, and the tooth plate 21 at both ends of the top can be synchronously moved while the discharging platform 19 is moved;

[0050] Through the meshing cooperation with the tooth block 16 is arranged, after the tooth plate 21 contacts the bottom of the plurality of tooth blocks 16 arranged on both sides of the cooking cylinder 10, the cooking cylinder 10 can be driven to rotate by the tooth block 16, so that the through hole at the top of the cooking cylinder 10 can be driven to rotate downward, when the center position of the discharging platform 19 moves to the bottom of the cooking cylinder 10, the through hole opened in the cooking cylinder 10 will also be downward, at the same time, by starting the second motor 13, and driving the second gear 15 meshing connected with the first gear 14 to drive the rotating rod 9 to rotate inside the cooking cylinder 10, the connecting plate 11 fixedly connected with the rotating rod 9 can drive the closing plate 12 to move inside the cooking cylinder 10, so that the effect of the closing plate 12 plugging the through hole opened in the cooking cylinder 10 can be cancelled, so that the cocoon cooked inside the cooking cylinder 10 can be discharged to the top of the discharging platform 19;

[0051] At the same time, when the discharging platform 19 moves to the bottom of the cooking cylinder 10, the fixed plate 22 can be driven to move synchronously, and the extension rod 23 fixedly connected with the fixed plate 22 can be driven to move synchronously, through the arrangement of the extension rod 23, the discharging platform 19 can be supported when the discharging platform 19 moves to the top of the cooking cylinder 10;

[0052] At the same time, through the arrangement that the closing plate 12 is continuously moved inside the cooking cylinder 10 by the rotating rod 9, the cocoon remaining on the inner wall of the cooking cylinder 10 can be scraped and cleaned, so that the convenience of taking out the cocoon inside the cooking cylinder 10 can be further improved.

[0053] The above-mentioned motors are all motors with power-off self-locking function, such as servo motors and the like.

Claims

1. A cocoon boiling machine for silk production, comprising a steaming and boiling tank (1), characterized in that, A cooking trough is provided on one side of the top of the cooking chamber (1), a carrying component (2) is provided on the top of the cooking chamber (1), and the position of the carrying component (2) corresponds to the cooking trough. A feeding component (3) is provided on the side of the top of the cooking chamber (1) away from the cooking trough.

2. The cocoon boiling machine for silk production according to claim 1, characterized in that, The carrying component (2) includes a fixed support plate (4), a first motor (5), a first screw (6), and a first fixing rod (7). The two ends of the top of the cooking chamber (1) are fixedly connected to the fixed support plate (4), and the two fixed support plates (4) are located at the top of the two ends of the cooking tank. The two fixed support plates (4) are provided with a first movable groove at the end that is close to each other, and the bottom of the first movable groove extends to the inner side of both ends of the cooking tank. The top of one of the fixed support plates (4) is fixedly connected to the first motor (5), and the output of the bottom of the first motor (5) extends to the inner side of the first movable groove and is fixedly connected to the first screw (6). The bottom of the first screw (6) is rotatably connected to the bottom of the inner side of the first movable groove. The inner side of the other first movable groove is fixedly connected to the first fixing rod (7).

3. The cocoon boiling machine for silk production according to claim 2, characterized in that, The carrying assembly (2) further includes a first movable block (8), a rotating rod (9), a cooking cylinder (10), a connecting plate (11), and a sealing plate (12). The inner side of the first movable slot is fitted with a first movable block (8) with clearance. One of the first movable blocks (8) is threadedly connected to the first screw (6), and the other first movable block (8) is slidably connected to the first fixed rod (7). A rotating rod (9) is rotatably connected to one end of each of the two first movable blocks (8) that is close to each other. A cooking cylinder (10) is disposed between the two first movable blocks (8). An opening is provided at the top of the outer side of the cooking cylinder (10), and a fixed connection is provided at the bottom of the outer side of the cooking cylinder (10). The counterweight, the end of the rotating rod (9) away from the first movable block (8) passes through both ends of the cooking cylinder (10) and extends to the inside of the cooking cylinder (10), and both ends of the cooking cylinder (10) are rotatably connected to the rotating rod (9). The outer side of the rotating rod (9) located inside the cooking cylinder (10) is fixedly connected to the connecting plate (11). The inner side of the cooking cylinder (10) is provided with a sealing plate (12). The sealing plate (12) is fitted to the inner wall of the cooking cylinder (10), and the sealing plate (12) seals the opening. Both ends of the sealing plate (12) are fixedly connected to the two connecting plates (11).

4. The cocoon boiling machine for silk production according to claim 3, characterized in that, The carrying assembly (2) further comprises a second motor (13), a first gear (14) and a second gear (15), one of the first movable blocks (8) is fixedly connected with the second motor (13) at the top near one end of the rotating rod (9), the output end of the second motor (13) near one end of the rotating rod (9) is fixedly connected with the first gear (14), the outer side of the rotating rod (9) near the second motor (13) is fixedly connected with the second gear (15), the second gear (15) is located outside the cooking cylinder (10), and the second gear (15) and the first gear (14) are in meshing connection.

5. The cocoon boiling machine for silk production according to claim 4, characterized in that, The discharging assembly (3) comprises a tooth block (16), a third motor (17), a second screw rod (18), a discharging platform (19) and a second movable block (20), a plurality of tooth blocks (16) are fixedly connected in a circular array on the outer side of both ends of the cooking cylinder (10), a second movable groove is formed in the top of the cooking box body (1) away from one side of the cooking groove, a third motor (17) is fixedly connected to the outer side of the cooking box body (1) away from the cooking groove, and the position of the third motor (17) corresponds to the second movable groove, the output end of the third motor (17) extends to the inner side of the second movable groove and is fixedly connected with the second screw rod (18), the side of the second screw rod (18) away from the third motor (17) is rotationally connected to the inner side of the second movable groove, the top of the cooking box body (1) away from the cooking groove is provided with a discharging platform (19), and the bottom of the discharging platform (19) is fixedly connected with a second movable block (20) near one side of the third motor (17), the second movable block (20) extends to the inner side of the second movable groove and is threadedly connected with the second screw rod (18).

6. The cocoon boiling machine for silk production according to claim 5, characterized in that, The discharging assembly (3) further comprises a tooth plate (21), a fixed plate (22) and an extension rod (23), both ends of the top of the discharging platform (19) are fixedly connected with tooth plates (21), the tooth plates (21) are in meshing connection with a plurality of tooth blocks (16) at the same end, the discharging platform (19) is fixedly connected with a fixed plate (22) on the side near the cooking groove, the bottom of the fixed plate (22) extends to the inner side of the cooking groove, and both ends of the bottom of the fixed plate (22) near one side of the second movable block (20) are fixedly connected with extension rods (23), and the extension rods (23) are in gap connection with the inner side of the side wall of the cooking groove near the second movable block (20).

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