Automatic stemming packing machine

Abstract

The utility model relates to the technical field of packaging machines, and discloses an automatic stemming packaging machine which comprises a base. According to the automatic stemming packing machine, through the arrangement of a packing structure, a second hydraulic cylinder is started, the second hydraulic cylinder drives a fixing plate, a sliding wheel and a T-shaped limiting column to move towards the lower portion of a magnetic block through the output end, then a fourth hydraulic cylinder is started, and the fourth hydraulic cylinder drives a connecting rod and three protruding sealing blocks to move towards the interiors of three packing barrels through the output end; according to the sealing device, a sealing device is started, a protruding sealing block enters the packing barrel through a rectangular groove, then three electric heating wires are powered on through a controller, the electric heating wires are heated to heat and seal silica gel pressing strips in three packing bags, then a lifting cylinder is started, the lifting cylinder drives a lifting rod to enter the packing barrel through a through hole, and a packed stemming column is driven to move upwards; the stemming column packing device is easy to operate and convenient to use, and in this way, the stemming column packing efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a packing machine technical field, concretely is a mortar automatic packing machine. BACKGROUND

[0002] The mortar is the refractory material for plugging the taphole, can be divided into two big categories of water mortar and waterless mortar, wherein the water mortar is used in the medium and small sized blast furnace of lower top pressure and lower strengthening smelting degree, and the waterless mortar is used in the large and medium sized blast furnace of higher top pressure and higher strengthening smelting degree, wherein the blast furnace mortar is higher in temperature in the production process, and the physical characteristic of the tar, pitch and other materials in the mortar ingredients is very sticky, so the mortar needs to be packed before being transported after being cut, in order to avoid the mutual adhesion of the mortar due to the extrusion of stacking in the conveying process, so a layer of plastic film is coated on the surface of the mortar before being packed, thereby playing the separating role between the mortars.

[0003] The existing mortar column is not convenient for quick bagging of multiple mortar columns when being packed in the plastic film on the outer surface, and the packing efficiency of the mortar column is influenced, therefore, the mortar automatic packing machine is provided to solve the above problems. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a mortar automatic packing machine, which solves the problems mentioned in the background art.

[0005] The utility model solves technical scheme that it adopts: a mortar automatic packing machine, including base, the upper surface left end of base is fixedly connected with L type support board no.

[0006] Further, the packing structure includes L type support board no. 2, hydraulic cylinder no. 1, magnetic block, controller and movable structure, the bottom end of L type support board no. 2 is fixedly connected on the upper surface right end of base, the top end of L type support board no. 2 is fixedly installed with three hydraulic cylinder no. 1, the output end of hydraulic cylinder no. 1 is fixedly connected with magnetic block, the front side outer wall of L type support board no. 2 is fixedly installed with controller, one side of L type support board no. 2 is provided with movable structure, the inside of L type support board no. 2 is fixedly installed with hydraulic cylinder no. 4, the output end of hydraulic cylinder is fixedly connected with connecting rod, the one side outer wall of connecting rod is fixedly installed with convex block, the one side outer wall of convex block is fixedly installed with electric heating wire.

[0007] Further, the activity structure comprises hydraulic cylinder two, fixed plate, sliding wheel, T-shaped limiting column, packaging assembly, arc block, packing barrel, rectangular groove, through hole, lifting cylinder and lifting rod, the outer wall of the hydraulic cylinder two is fixedly installed in the inside of the L-shaped supporting plate two, the output end of the hydraulic cylinder two is fixedly connected with the fixed plate, the lower surface of the fixed plate is fixedly installed with the sliding wheel, the lower surface of the fixed plate is fixedly connected with the T-shaped limiting column at two ends, one side of the fixed plate is provided with the packaging assembly, the upper surface of the fixed plate is symmetrically connected with three groups of arc blocks, the top of the arc block is fixedly connected with the packing barrel, the outer wall of the packing barrel is provided with the rectangular groove, the bottom end of the packing barrel is provided with the through hole, the lifting cylinder is fixedly installed on the upper surface of the fixed plate between the symmetric arc blocks, the output end of the lifting cylinder is fixedly connected with the lifting rod, and the top end of the lifting rod is located in the inside of the through hole.

[0008] Further, the packaging assembly comprises a fixed ring, a hydraulic cylinder three, a connecting plate one, a magnetic ring, a packing bag and a magnetic piece, the outer wall of the fixed ring is fixedly connected to the outer wall of the fixed plate, the inside of the fixed ring is fixedly connected with the hydraulic cylinder three, the output end of the hydraulic cylinder three is fixedly connected with the connecting plate one, the outer wall of the connecting plate one is fixedly connected with the magnetic ring, the inside of the magnetic ring is placed with the packing bag, the top end of the packing bag is in contact with the magnetic piece, the inside of the packing bag is fixedly connected with the silica gel pressing strip, the magnetic piece and the magnetic ring are attracted to each other, and the bottom end of the packing bag is located in the inside of the packing barrel.

[0009] Further, the blanking assembly comprises three blanking pipes, an arc-shaped groove, a limiting groove, a connecting plate two, a forward and reverse motor, a rotating shaft, a movable disc, a baffle and a mortar column, the bottom end of the blanking pipe penetrates through the bottom of the L-shaped supporting plate one, the bottom end of the blanking pipe is provided with the arc-shaped groove, the bottom end of the blanking pipe is provided with the limiting groove on the outer wall of the arc-shaped groove, the outer wall of the blanking pipe is fixedly connected with the connecting plate two on one side of the arc-shaped groove, the connecting plate two is fixedly installed with the forward and reverse motor on one side, the rotating shaft is fixedly connected with the movable disc at one end of the forward and reverse motor, the outer wall of the movable disc is fixedly connected with the baffle, and the inside of the blanking pipe is placed with the mortar column.

[0010] Further, the outer wall of the baffle is clamped in the inside of the limiting groove, one end of the mortar column is in contact with the outer wall of the baffle, the outer wall of the sliding wheel is slidingly connected in the inside of the movable groove, the bottom end outer wall of the T-shaped limiting column is movably connected in the inside of the T-shaped groove, the bottom end of the blanking pipe is located above the packing barrel, the inside of the packing bag is provided with the mortar column, the rectangular groove in the outer wall of the packing barrel is on the same horizontal line with the silica gel pressing strip, the controller is electrically connected with the electric heating wire, and the size of the rectangular groove is matched with the size of the convex sealing block.

[0011] The beneficial effects of the utility model are:

[0012] 1. The mortar automatic packing machine is simple in operation and convenient to use, and improves the packing efficiency of the mortar column.

[0013] 2. The mortar automatic packing machine is simple in operation and convenient to use.

[0014] 3. The mortar automatic packing machine is simple in operation and convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings used in the embodiment description or the prior art will be briefly introduced.

[0016] Figure 1The utility model discloses structure schematic drawing;

[0017] Figure 2 The utility model discloses structure sectional view;

[0018] Figure 3 The utility model discloses packing structure schematic drawing;

[0019] Figure 4 The utility model discloses packing assembly schematic drawing;

[0020] Figure 5 The utility model discloses Figure 2 The utility model discloses structure amplification schematic drawing at A place.

[0021] Figure 6 The utility model discloses Figure 1 Structure amplification schematic drawing at B place.

[0022] Figure mark explanation: 1, base, 2, L type support board no. 1, 3, packing structure, 31, L type support board no. 2, 32, hydraulic cylinder no. 1, 33, magnetic block, 34, controller, 35, movable structure, 351, hydraulic cylinder no. 2, 352, fixed plate, 353, sliding wheel, 354, T type limiting column, 355, packing assembly, 3551, fixed ring, 3552, hydraulic cylinder no. 3, 3553, connecting plate no. 1, 3554, magnetic ring, 3555, packing bag, 3556, magnetic piece, 3557, silica gel pressure strip, 356, arc block, 357, packing cylinder, 358, rectangular groove, 359, through -hole, 3510, lifting cylinder, 3511, lifting rod, 36, hydraulic cylinder no. 4, 37, connecting rod, 38, convex sealing block, 39, electric heating wire, 4, blanking assembly, 41, blanking pipe, 42, arc groove, 43, limiting groove, 44, connecting plate no. 2, 45, positive and negative motor, 46, rotating shaft, 47, movable disc, 48, baffle, 49, mortar column, 5, movable groove, 6, T type groove. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described in connection with the drawings in the embodiments of the utility model.

[0024] Please refer to Figures 1-5 A mortar automatic packing machine, including base 1, the upper surface left end of base 1 is fixedly connected with L type support board no. 1 2, and the upper surface of base 1 is provided with packing structure 3, and the top of L type support board no. 1 2 is provided with blanking assembly 4 in the upper of base 1, and movable groove 5 is set up in the upper surface of base 1, and T type groove 6 is set up in the both sides of movable groove 5 in the upper surface of base 1.

[0025] Refer to Figure 1 、 2As shown, the packing structure 3 includes L-shaped support plate two 31, hydraulic cylinder one 32, magnetic block 33, controller 34 and movable structure 35, the bottom end of the L-shaped support plate two 31 is fixedly connected to the upper surface of the right end of the base 1, the top end of the L-shaped support plate two 31 is fixedly installed with three hydraulic cylinders one 32, the output end of the hydraulic cylinder one 32 is fixedly connected with the magnetic block 33, the front side outer wall of the L-shaped support plate two 31 is fixedly installed with the controller 34, one side of the L-shaped support plate two 31 is provided with the movable structure 35, the inside of the L-shaped support plate two 31 is fixedly installed with the hydraulic cylinder four 36, the output end of the hydraulic cylinder 36 is fixedly connected with the connecting rod 37, the outer wall of one side of the connecting rod 37 is fixedly installed with the convex block 38, the outer wall of one side of the convex block 38 is fixedly installed with the heating wire 39; by starting the hydraulic cylinder one 32, the hydraulic cylinder one 32 drives the magnetic block 33 to move downward through the output end, so that the magnetic block 33 adsorbs the magnetic piece 3556, at the same time, the hydraulic cylinder three 3552 is also started, the connecting plate one 3553 and the magnetic ring 3554 are also driven to move downward through the output end of the hydraulic cylinder three 3552, so that the top of the packing bag 3555 is not stressed, the packing bag 3555 is sealed, and the packed gunite column 49 is taken out.

[0026] Referring to Figures 2-4 As shown, the movable structure 35 includes hydraulic cylinder two 351, fixed plate 352, sliding wheel 353, T-shaped limiting column 354, packaging assembly 355, arc-shaped block 356, packing barrel 357, rectangular groove 358, through hole 359, lifting cylinder 3510 and lifting rod 3511, the outer wall of the hydraulic cylinder two 351 is fixedly installed in the inside of the L-shaped support plate two 31, the output end of the hydraulic cylinder two 351 is fixedly connected with the fixed plate 352, the lower surface of the fixed plate 352 is fixedly installed with the sliding wheel 353, both ends of the lower surface of the fixed plate 352 are fixedly connected with the T-shaped limiting column 354, one side of the fixed plate 352 is provided with the packaging assembly 355, the upper surface of the fixed plate 352 is symmetrically connected with three groups of arc-shaped blocks 356, the top of the arc-shaped block 356 is fixedly connected with the packing barrel 357, the outer wall of the packing barrel 357 is provided with the rectangular groove 358, the bottom end of the packing barrel 357 is provided with the through hole 359, the upper surface of the fixed plate 352 is fixedly installed with the lifting cylinder 3510 between the symmetric arc-shaped blocks 356, the output end of the lifting cylinder 3510 is fixedly connected with the lifting rod 3511, the top end of the lifting rod 3511 is located in the inside of the through hole 359.

[0027] Referring to Figure 3 , 4As shown, the packing assembly 355 includes a fixed ring 3551, a hydraulic cylinder three 3552, a connecting plate one 3553, a magnetic ring 3554, a packing bag 3555 and a magnetic piece 3556, the outer wall of the fixed ring 3551 is fixedly connected to the outer wall of the fixed plate 352, the inside of the fixed ring 3551 is fixedly connected with the hydraulic cylinder three 3552, the output end of the hydraulic cylinder three 3552 is fixedly connected with the connecting plate one 3553, the outer wall of the connecting plate one 3553 is fixedly connected with the magnetic ring 3554, the inside of the magnetic ring 3554 is placed with the packing bag 3555, the top end outer wall of the packing bag 3555 is in contact with the magnetic piece 3556, the inside of the packing bag 3555 is fixedly connected with the silica gel pressing strip 3557, the magnetic piece 3556 and the magnetic ring 3554 are attracted to each other, and the bottom end of the packing bag 3555 is located in the inside of the packing barrel 357; by starting the hydraulic cylinder two 351, the hydraulic cylinder two 351 drives the fixed plate 352 and the sliding wheel 353 and the T-shaped limiting column 354 to move downwards to the magnetic block 33 through the output end, then the hydraulic cylinder four 36 is started, the hydraulic cylinder four 36 drives the connecting rod 37 and the three convex sealing blocks 38 to move to the inside of the packing barrel 357 through the output end, so that the convex sealing blocks 38 enter the inside of the packing barrel 357 through the rectangular slot 358, then the hydraulic cylinder one 32 is started, the hydraulic cylinder one 32 drives the magnetic block 33 to move downwards through the output end, so that the magnetic block 33 adsorbs the magnetic piece 3556, and the magnetic piece 3556 is separated from the top of the packing bag 3555, then the controller 34 is controlled to electrify the three electric heating wires 39, so that the electric heating wire 34 heats and seals the silica gel pressing strip 3557 in the inside of the three packing bags 3555, then the lifting cylinder 3510 is started, the lifting cylinder 3510 drives the lifting rod 3511 to enter the inside of the packing barrel 357 through the through hole 359, drives the packed gunnerite column 49 to move upwards, and the packed gunnerite column 49 is taken out at the top. It is simple to operate, convenient to use, and improves the packing efficiency of the gunnerite column.

[0028] Referring to Figure 2 , 4As shown in FIGS. 5, the blanking assembly 4 comprises a blanking pipe 41, an arc-shaped groove 42, a limiting groove 43, a connecting plate two 44, a forward-reverse motor 45, a rotating shaft 46, a movable disc 47, a baffle 48 and a mortar column 49, the number of the blanking pipe 41 is three, the bottom end of the three blanking pipes 41 penetrates through the bottom of the L-shaped support plate one 2, the bottom end of the blanking pipe 41 is provided with the arc-shaped groove 42, the bottom end of the blanking pipe 41 is provided with the limiting groove 43 at the arc-shaped groove 42, the outer wall of the blanking pipe 41 is fixedly connected with the connecting plate two 44 at one side of the arc-shaped groove 42, the connecting plate two 44 is fixedly installed with the forward-reverse motor 45 at one side, the rotating shaft 46 is fixedly connected in the forward-reverse motor 45, one end of the rotating shaft 46 penetrates through the outer wall of the connecting plate two 44, one end of the rotating shaft 46 is fixedly connected with the movable disc 47, the outer wall of the movable disc 47 is fixedly connected with the baffle 48, and the mortar column 49 is placed in the blanking pipe 41; through the arrangement of the blanking assembly 4, the forward-reverse motor 45 is started, the forward-reverse motor 45 drives the rotating shaft 46, the movable disc 47 and the baffle 48 to rotate upward by ninety degrees, so that the mortar column 49 in the blanking pipe 41 enters the packing bag 3555 in the packing barrel 357, which can simultaneously make multiple mortar columns 49 enter multiple packing bags 3555 for packing, and the operation is simple and convenient to use.

[0029] Referring to Figures 2-5 As shown in FIGS. 5, the outer wall of the baffle 48 is clamped in the limiting groove 43, one end of the mortar column 49 is in contact with the outer wall of the baffle 48, the outer wall of the sliding wheel 353 is slidingly connected in the movable groove 5, the bottom end of the T-shaped limiting column 354 is movably connected in the T-shaped groove 6, the bottom end of the blanking pipe 41 is located above the packing barrel 357, the mortar column 49 is placed in the packing bag 3555, the silica gel pressing strip 3557 is on the same horizontal line with the rectangular groove 358 provided on the outer wall of the packing barrel 357, the controller 34 is electrically connected with the electric heating wire 39, and the size of the rectangular groove 358 is matched with the size of the convex sealing block 38; through the above technical scheme, the controller 34 is electrically connected with the hydraulic cylinder one 32, the hydraulic cylinder two 351, the hydraulic cylinder three 352, the lifting cylinder 3510 and the forward-reverse motor 45, so that the controller 34 can control the packing structure 3.

[0030] In use, the mortar column 49 is sequentially put into the inside of the feeding pipe 41, and then the positive and negative motor 45 is started by the controller 34, the positive and negative motor 45 drives the movable disc 47 and the baffle 48 to rotate upward by ninety degrees away from the inside of the limiting groove 43 through the rotating shaft 46, then the mortar column 49 in the inside of the feeding pipe 41 falls into the packing bag 3555 in the packing barrel 357, then the hydraulic cylinder two 351 is started, the hydraulic cylinder two 351 drives the fixed plate 352 and the sliding wheel 353, the T-shaped limiting column 354 to move downward to the below of the magnetic block 33 through the output end, then the hydraulic cylinder four 36 is started, the hydraulic cylinder four 36 drives the connecting rod 37 and the three convex sealing blocks 38 to move to the inside of the packing barrel 357 through the output end, so that the convex sealing blocks 38 enter the inside of the packing barrel 357 through the rectangular groove 358, by starting the hydraulic cylinder one 32, the hydraulic cylinder one 32 drives the magnetic block 33 to move downward through the output end, so that the magnetic block 33 adsorbs the magnetic piece 3556, at the same time, the hydraulic cylinder three 3552 is also started, the hydraulic cylinder three 3552 drives the connecting plate one 3553 and the magnetic ring 3554 to move downward through the output end, so that the top of the packing bag 3555 is not stressed, facilitating the sealing of the packing bag 3555 and facilitating the taking out of the packed mortar column 49, then the three electric heating wires 39 are powered on through the controller 34, so that the electric heating wire 34 heats to heat and seal the silica gel pressing strip 3557 in the inside of the three packing bags 3555, the hydraulic cylinder four 36 is started, the hydraulic cylinder four 36 drives the connecting rod 37 and the convex sealing block 38 to reset through the output end, then the lifting cylinder 3510 is started, the lifting cylinder 3510 drives the lifting rod 3511 to enter the inside of the packing barrel 357 through the through hole 359, drives the packed mortar column 49 to move upward, and the packed mortar column 49 is taken out at the top, so that the operation is simple, the use is convenient, and the packing efficiency of the mortar column is improved.

[0031] The above description of disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A mortar automatic packing machine comprising a base (1), characterized in that: The upper surface left end of the base (1) is fixedly connected with an L-shaped support plate one (2), the upper surface of the base (1) is provided with a packing structure (3), the upper surface of the base (1) is provided with a blanking assembly (4) above the top of the L-shaped support plate one (2), the upper surface of the base (1) is provided with a movable groove (5), and the upper surface of the base (1) is provided with a T-shaped groove (6) on the two sides of the movable groove (5).

2. A mortar automatic packing machine according to claim 1, characterized in that: The packing structure (3) comprises an L-shaped support plate two (31), a hydraulic cylinder one (32), a magnetic block (33), a controller (34) and a movable structure (35), the bottom end of the L-shaped support plate two (31) is fixedly connected to the upper surface right end of the base (1), three hydraulic cylinder ones (32) are fixedly installed at the top end of the L-shaped support plate two (31), the output end of the hydraulic cylinder one (32) is fixedly connected with the magnetic block (33), the front side outer wall of the L-shaped support plate two (31) is fixedly installed with the controller (34), one side of the L-shaped support plate two (31) is provided with the movable structure (35), the inside of the L-shaped support plate two (31) is fixedly installed with a hydraulic cylinder four (36), the output end of the hydraulic cylinder (36) is fixedly connected with a connecting rod (37), the outer wall of one side of the connecting rod (37) is fixedly installed with a convex block (38), and the outer wall of one side of the convex block (38) is fixedly installed with an electric heating wire (39).

3. A mortar automatic packing machine according to claim 2, characterized in that: The movable structure (35) comprises a hydraulic cylinder two (351), a fixed plate (352), a sliding wheel (353), a T-shaped limiting column (354), a packaging assembly (355), an arc-shaped block (356), a packing barrel (357), a rectangular groove (358), a through hole (359), a lifting cylinder (3510) and a lifting rod (3511), the outer wall of the hydraulic cylinder two (351) is fixedly installed in the inside of the L-shaped support plate two (31), the output end of the hydraulic cylinder two (351) is fixedly connected with the fixed plate (352), the lower surface of the fixed plate (352) is fixedly installed with the sliding wheel (353), the lower surface of the fixed plate (352) is fixedly connected with the T-shaped limiting column (354) at both ends, one side of the fixed plate (352) is provided with the packaging assembly (355), the upper surface of the fixed plate (352) is symmetrically connected with three groups of arc-shaped blocks (356), the top of the arc-shaped block (356) is fixedly connected with the packing barrel (357), the outer wall of the packing barrel (357) is provided with the rectangular groove (358), the bottom end of the packing barrel (357) is provided with the through hole (359), the upper surface of the fixed plate (352) is fixedly installed with the lifting cylinder (3510) between the symmetric arc-shaped blocks (356), the output end of the lifting cylinder (3510) is fixedly connected with the lifting rod (3511), and the top end of the lifting rod (3511) is located in the inside of the through hole (359).

4. A mortar automatic packing machine according to claim 3, characterized in that: The packing assembly (355) comprises a fixed ring (3551), a hydraulic cylinder three (3552), a connecting plate one (3553), a magnetic ring (3554), a packing bag (3555) and a magnetic piece (3556), the outer wall of the fixed ring (3551) is fixedly connected to the outer wall of the fixed plate (352), the inner part of the fixed ring (3551) is fixedly connected with the hydraulic cylinder three (3552), the output end of the hydraulic cylinder three (3552) is fixedly connected with the connecting plate one (3553), the outer wall of the connecting plate one (3553) is fixedly connected with the magnetic ring (3554), the inner part of the magnetic ring (3554) is placed with the packing bag (3555), the top outer wall of the packing bag (3555) is in contact with the magnetic piece (3556), the inner part of the packing bag (3555) is fixedly connected with the silica gel pressing strip (3557), the magnetic piece (3556) and the magnetic ring (3554) are attracted to each other, and the bottom end of the packing bag (3555) is located in the inner part of the packing barrel (357).

5. A mortar automatic packing machine according to claim 4, characterized in that: The blanking assembly (4) comprises three blanking pipes (41), an arc-shaped groove (42), a limiting groove (43), a connecting plate two (44), a forward-reverse motor (45), a rotating shaft (46), a movable disc (47), a baffle (48) and a mortar column (49), the bottom ends of the three blanking pipes (41) penetrate through the bottom of the L-shaped supporting plate one (2), the bottom end outer wall of the blanking pipe (41) is provided with the arc-shaped groove (42), the bottom end outer wall of the blanking pipe (41) is provided with the limiting groove (43) in the arc-shaped groove (42), the outer wall of the blanking pipe (41) is fixedly connected with the connecting plate two (44) on one side of the arc-shaped groove (42), the connecting plate two (44) is fixedly installed with the forward-reverse motor (45) on one side, the forward-reverse motor (45) is fixedly connected with the rotating shaft (46) in the inner part, one end of the rotating shaft (46) penetrates through the outer wall of the connecting plate two (44), one end of the rotating shaft (46) is fixedly connected with the movable disc (47), the outer wall of the movable disc (47) is fixedly connected with the baffle (48), and the inner part of the blanking pipe (41) is placed with the mortar column (49).

6. A mortar automatic packing machine according to claim 5, characterized in that: The outer wall of the baffle (48) is clamped in the inner part of the limiting groove (43), one end of the mortar column (49) is in contact with the outer wall of the baffle (48), the outer wall of the sliding wheel (353) is slidingly connected in the inner part of the movable groove (5), the bottom end outer wall of the T-shaped limiting column (354) is movably connected in the inner part of the T-shaped groove (6), the bottom end of the blanking pipe (41) is located above the packing barrel (357), the inner part of the packing bag (3555) is placed with the mortar column (49), the silica gel pressing strip (3557) is on the same horizontal line with the rectangular groove (358) provided in the outer wall of the packing barrel (357), the controller (34) and the electric heating wire (39) are electrically connected, and the size of the rectangular groove (358) is matched with the size of the convex sealing block (38).

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