Anti-theft door film covering device

Abstract

The utility model relates to the technical field of door and window processing, in particular to an anti-theft door film covering device which can clean impurities on an anti-theft door, guarantee the conveying stability of the anti-theft door and improve the film covering efficiency. Comprising a base, a plurality of supporting legs, a conveying assembly, a cleaning assembly, a film covering assembly, a pressing and feeding assembly, a flattening assembly and a cut-off assembly, the conveying assembly is installed in the middle of the base, the supporting legs are installed at the four corners of the bottom of the base, the cleaning assembly is installed on the left side of the top of the base, the pressing and feeding assembly is installed in the middle of the top end of the base, and the flattening assembly is installed on the right side of the top of the base; a cutting-off assembly is installed on the right side of the pressing-feeding assembly.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of door and window processing, in particular to a security door film coating device. BACKGROUND

[0002] The full name of security door is "anti-theft safety door". It has the performance of anti-theft and safety. Qualified security door cannot be pried open within 15 minutes by using ordinary hand tools such as chisel, screwdriver, crowbar and portable electric tools such as electric drill. In the production of security door, in order to reduce the scratch in the transportation process and ensure the quality when entering the house finally, the front and back surfaces of the security door are usually coated with film. The prior art No. CN205998215U proposes a security door film coating device, which comprises a rack, a security door conveying mechanism, a UV curing device, a film scraping device and a film coating device. The security door conveying mechanism is installed in the rack. Above the security door conveying mechanism, the film coating device, the film scraping device and the curing device are installed in sequence according to the conveying direction of the security door. The film coating device comprises a film coating support platform erected above two side plates, a barrel and a micro pump installed on the film coating support platform, a film coating roller suspended below the film coating support platform through a film coating adjusting screw, and the two ends of the film coating roller are connected to the film coating support platform through the film coating adjusting screw. The barrel is connected to the film coating roller through the micro pump and a pipeline. However, only one side of the film can be coated when the film is coated, and the other side of the film needs to be turned over when the other side of the film is coated. The security door is placed on a machine with a certain height, which increases the complexity of the film coating and the film coating efficiency needs to be improved. SUMMARY

[0003] In order to solve the above technical problems, the utility model provides a security door film coating device which can clean the impurities on the security door, ensure the stability of the security door conveying, and improve the film coating efficiency.

[0004] The security door film coating device of the utility model comprises a base, a plurality of supporting legs, a conveying assembly, a cleaning assembly, a film coating assembly, a pressing assembly, a flattening assembly and a cutting assembly. The conveying assembly is installed in the middle of the base. The supporting legs are installed at the four corners of the bottom of the base. The cleaning assembly is installed on the left side of the top of the base. The pressing assembly is installed in the middle of the top end of the base. The flattening assembly is installed on the right side of the top of the base. The cutting assembly is installed on the right side of the pressing assembly. The security door is conveyed by the conveying assembly. The impurities on the security door are cleaned by the cleaning assembly. The upper part of the security door is pressed and conveyed by the pressing assembly, which ensures the stability of the security door conveying. The two sides of the security door are coated with film by the film coating assembly at the same time. The protective film is flattened by the flattening assembly. The film is cut by the cutting assembly, which is convenient for subsequent processing and improves the work efficiency.

[0005] Preferably, the conveying assembly comprises a conveying frame and a plurality of conveying rollers, the conveying frame is fixedly installed in the middle of the base, a driver is arranged in the conveying frame, and the plurality of conveying rollers are rotatably installed above the conveying frame; the security door is placed on the conveying rollers of the conveying frame, the conveying rollers rotate to convey the security door, the position of the conveying rollers is relatively low, so that the security door is placed conveniently, and the labor is saved.

[0006] Preferably, the pressing assembly comprises a pressing frame, an electric telescopic rod, a pressing frame, two guide rods and a top plate, the pressing frame is fixedly installed in the middle of the top end of the base, the electric telescopic rod is installed in the middle of the top end of the pressing frame, the bottom telescopic end of the electric telescopic rod is provided with the pressing frame, the bottom of the pressing frame is rotatably installed with the pressing wheel, the guide rods are symmetrically and slidably installed on the top of the pressing frame about the electric telescopic rod, the bottom of the guide rod is connected with the side wall of the front and rear ends of the pressing frame, the top of the guide rod is provided with the top plate, and the middle of the top plate is provided with a avoiding hole matched with the electric telescopic rod; when the security door is conveyed, the electric telescopic rod is started to push the pressing frame to move downward, so that the pressing wheel contacts and presses the upper part of the security door to guide the security door and ensure the stability of the security door during conveying.

[0007] Preferably, the cleaning assembly comprises two cleaning frames, two second electric telescopic rods, two support frames, two support blocks, two limiting sliding rods, two drivers and two groups of cleaning brush rollers, the limiting sliding grooves are formed in the top left side of the base, the two limiting sliding blocks are arranged on the bottom of the cleaning frame, the limiting sliding blocks are slidably installed in the limiting sliding grooves, the second electric telescopic rods are installed on the top left side of the base, the telescopic ends of the second electric telescopic rods are connected with the outer wall of the cleaning frame, the support frames are connected with the upper part of the second electric telescopic rods, the support blocks are installed on the top of the support frames, the limiting sliding rods are slidably installed in the middle of the support blocks, the limiting sliding rods are connected with the outer wall of the cleaning frame, the drivers are installed on the top of the cleaning frame, and the cleaning brush rollers are rotatably installed on one side of the two cleaning frames close to each other; when the security door is conveyed through the two groups of cleaning brush rollers, the second electric telescopic rods are started to push the cleaning frame to move on the top of the base, so that the cleaning brush rollers contact with the two sides of the security door, the drivers drive the cleaning brush rollers to rotate, the impurities on the surface of the security door are cleaned, the cleanliness of the security door is increased, the limiting sliding rods slide on the support blocks when the cleaning frame moves, the structural strength of the cleaning frame is increased, and the stability is improved.

[0008] Preferably, the film covering assembly comprises two first light poles, two sliding guides, two first springs, two film covering frames, two second top plates, two flattening rollers, two second sliding guides, two second springs, two screw sleeves, two positioning sleeves and two film covering rollers, the second top plates are installed on the left side walls of the upper part of the pressing frame, the bottom of the second top plate is provided with a limiting guide groove, the second light pole is installed in the limiting guide groove, the second sliding guide is slidingly installed on the outer wall of the second light pole and in the limiting guide groove, the second spring is sleeved on the outer wall of the second light pole, the mobile guide grooves are formed in the corresponding positions of the limiting guide grooves on the top of the base, the first light pole is installed in the mobile guide groove, the sliding guide is slidingly installed on the outer wall of the first light pole and in the limiting guide groove, the first spring is sleeved on the outer wall of the first light pole, the film covering frame is fixedly installed between the sliding guide and the second sliding guide, the film covering frame is provided with a rotating groove at the lower part, the screw sleeve is installed at the upper part of the film covering frame, the positioning sleeve is screwed below the screw sleeve, and the film covering roller is installed between the rotating groove and the positioning sleeve; when the anti-theft door passes between the two film covering rollers, the film covering roller rotates on the film covering frame and adheres the film to the two sides of the anti-theft door, the first spring and the second spring push the sliding guide and the second sliding guide to slide on the first light pole and the second light pole respectively, so that the two film covering rollers are tightly attached to the anti-theft door, air bubbles are reduced, and the film covering quality is improved.

[0009] Preferably, the flattening assembly comprises two flattening frames, two groups of flattening rollers, two third electric telescopic rods, two second support frames, two second support blocks and two second limiting sliding rods, the second limiting sliding grooves are formed at the right side of the top of the base, the flattening frame is provided with two limiting sliding blocks at the bottom, the limiting sliding blocks are slidingly installed in the second limiting sliding grooves, the third electric telescopic rods are installed at the right side of the top of the base, the telescopic ends of the third electric telescopic rods are connected with the outer walls of the flattening frames, the second support frames are connected with the third electric telescopic rods, the second support blocks are installed at the top of the second support frames, the second limiting sliding rods are slidingly installed in the second support blocks, the second limiting sliding rods are connected with the outer walls of the flattening frames, and the flattening rollers are rotatably installed on the side of the two flattening frames close to each other; when the film-covered anti-theft door passes between the two groups of flattening rollers, the third electric telescopic rods are started to push the flattening frames to move close to each other, so that the flattening rollers are in contact with the anti-theft door, the film is pressed on the anti-theft door, and the anti-theft door is out of contact with the flattening rollers until the film covering quality is improved.

[0010] Preferably, the cutting assembly comprises two vertical plates, two fourth electric telescopic rods, two cutting knives and two groups of T-shaped support rods, the vertical plates are symmetrically installed on the right side walls of the pressing frame, the fourth electric telescopic rods are installed in the vertical plates, the telescopic ends of the fourth electric telescopic rods are provided with the cutting knives, the T-shaped support rods are slidingly installed on the upper and lower sides of the fourth electric telescopic rods, and the T-shaped support rods are connected with the cutting knives; after the film covering of the anti-theft door is completed, the fourth electric telescopic rods are started to push the cutting knives to move close to each other, so that the film is cut, the T-shaped support rods slide on the vertical plates when the cutting knives move, the stability during cutting is ensured, and the service life is ensured.

[0011] Compared with the prior art, the anti-theft door is conveyed through the conveying assembly, impurities on the anti-theft door are cleaned when passing through the cleaning assembly, the pressing conveying assembly can press and convey the upper side of the anti-theft door, the stability of the anti-theft door during conveying is ensured, the two sides of the anti-theft door are synchronously coated through the coating assembly, the flattening assembly can flatten the protective film, and the cutting assembly can cut the film, so that subsequent processing is facilitated, and the working efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a structural schematic diagram of the utility model;

[0013] Figure 2 is an isometric structural schematic diagram of the utility model;

[0014] Figure 3 is an upper view structural schematic diagram of the utility model;

[0015] Figure 4 is a partial sectional structural schematic diagram of the utility model;

[0016] Figure 5 is a right side sectional structural schematic diagram of the utility model;

[0017] In the drawings, 1, base; 2, support leg; 3, conveying frame; 4, conveying roller; 5, pressing frame; 6, electric telescopic rod; 7, pressing conveying frame; 8, guide rod; 9, top plate; 10, limit sliding block; 11, cleaning frame; 12, second electric telescopic rod; 13, support frame; 14, support block; 15, limit sliding rod; 16, driver; 17, cleaning brush roller; 18, flattening frame; 19, flattening roller; 20, third electric telescopic rod; 21, second support frame; 22, second support block; 23, second limit sliding rod; 24, first light rod; 25, sliding guide block; 26, first spring; 27, coating frame; 28, second top plate; 29, second light rod; 30, second sliding guide block; 31, second spring; 32, screw sleeve; 33, positioning sleeve; 34, coating roller; 35, vertical plate; 36, fourth electric telescopic rod; 37, cutting knife; 38, T-shaped support rod. DETAILED DESCRIPTION

[0018] In order to facilitate the understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. The utility model can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0019] Example 1

[0020] As Figure 1 ,Figure 3 、 Figure 4 and Figure 5 As shown in FIG. 1, the base 1 is provided with a supporting leg 2 at the bottom of each corner, a conveying frame 3 is fixedly installed in the middle of the base 1, a drive is arranged in the conveying frame 3, a plurality of conveying rollers 4 are rotatably installed above the conveying frame 3, a pressing frame 5 is fixedly installed at the top end of the base 1, an electric telescopic rod 6 is installed at the middle of the top end of the pressing frame 5, a pressing frame 7 is installed at the bottom telescopic end of the electric telescopic rod 6, a pressing wheel is rotatably installed at the bottom of the pressing frame 7, guide rods 8 are symmetrically and slidably installed on the top of the pressing frame 5 in front of and behind the electric telescopic rod 6, the bottom of the guide rod 8 is connected to the side walls at the front and rear ends of the pressing frame 7, a top plate 9 is installed at the top of the guide rod 8, an avoiding hole matched with the electric telescopic rod 6 is formed in the middle of the top plate 9, a second top plate 28 is installed on the left side wall of the upper part of the pressing frame 5, a limiting guide groove is formed in the bottom of the second top plate 28, a second light rod 29 is installed in the limiting guide groove, a second sliding guide block 30 is slidably installed in the limiting guide groove and on the outer wall of the second light rod 29, a second spring 31 is sleeved on the outer wall of the second light rod 29, a moving guide groove is formed in the top of the base 1 at positions corresponding to the limiting guide groove at the front and rear sides, a first light rod 24 is installed in the moving guide groove, a sliding guide block 25 is slidably installed in the limiting guide groove and on the outer wall of the first light rod 24, a first spring 26 is sleeved on the outer wall of the first light rod 24, a film coating frame 27 is fixedly installed between the sliding guide block 25 and the second sliding guide block 30, a rotating groove is formed in the lower part of the film coating frame 27, a screw sleeve 32 is installed on the upper part of the film coating frame 27, a positioning sleeve 33 is screwed below the screw sleeve 32, a film coating roller 34 is installed between the positioning sleeve 33 and the rotating groove, a second limiting sliding groove is formed at the right side of the top of the base 1, two limiting sliding blocks 10 are arranged at the bottom of the flattening frame 18, the limiting sliding blocks 10 are slidably installed in the second limiting sliding groove, third electric telescopic rods 20 are installed at the right side of the top of the base 1, the telescopic ends of the third electric telescopic rods 20 are connected to the outer wall of the flattening frame 18, a second supporting frame 21 is connected to the upper part of the third electric telescopic rod 20, a second supporting block 22 is installed at the top of the second supporting frame 21, a second limiting sliding rod 23 is slidably installed in the middle of the second supporting block 22, the second limiting sliding rod 23 is connected to the outer wall of the flattening frame 18, and flattening rollers 19 are rotatably installed on one side of the two flattening frames 18 close to each other;

[0021] The security door is placed on the conveyor roller 4 on the conveyor frame 3. The conveyor roller 4 rotates to transport the security door. The low position of the conveyor roller 4 facilitates the placement of the security door and saves effort. During the transport of the security door, the electric telescopic rod 6 is activated to push the pressing frame 7 downward, so that the pressing wheel contacts and presses against the top of the security door, guiding the security door and ensuring its stability during transport. When the security door passes between the two coating rollers 34, the coating rollers 34 rotate on the coating frame 27, adhering the film to the security door. On both sides of the door, the first spring 26 and the second spring 31 push the sliding guide block 25 and the second sliding guide block 30 to slide on the first light rod 24 and the second light rod 29 respectively, so that the two film-coating rollers 34 are in close contact with the security door, reducing air bubbles and improving the film-coating quality. When the security door after film-coating passes through the two sets of flattening rollers 19, the third electric telescopic rod 20 is activated to push the flattening frame 18 closer to each other, so that the flattening rollers 19 contact the security door and press the film onto the security door until the security door releases contact with the flattening rollers 19, thus improving the film-coating quality.

[0022] Example 2

[0023] like Figures 1 to 4 As shown, based on embodiment 1, the base 1 also includes a limiting groove at the front and rear ends of the top left side. The cleaning frame 11 has two limiting sliders 10 at the bottom, which are slidably installed in the limiting groove. The second electric telescopic rod 12 is installed at the front and rear ends of the top left side of the base 1. The telescopic end of the second electric telescopic rod 12 is connected to the outer wall of the cleaning frame 11. The upper part of the second electric telescopic rod 12 is connected to a support frame 13. The top of the support frame 13 is equipped with a support block 14. The middle of the support block 14 is slidably installed with a limiting slide rod 15, which is connected to the outer wall of the cleaning frame 11. The top of the cleaning frame 11 is equipped with a driver 16. The cleaning brush roller 17 is rotatably installed on the side of the two cleaning frames 11 that are close to each other. The right side wall of the pressing frame 5 is symmetrically equipped with vertical plates 35. The middle of the vertical plates 35 is equipped with a fourth electric telescopic rod 36. The telescopic end of the fourth electric telescopic rod 36 is equipped with a cutting blade 37. The upper and lower sides of the fourth electric telescopic rod 36 are symmetrically slidably equipped with T-shaped support rods 38, which are connected to the cutting blade 37.

[0024] When the security door is conveyed through two sets of cleaning brush rollers 17, the second electric telescopic rod 12 is activated to push the cleaning frame 11 to move on top of the base 1, so that the cleaning brush rollers 17 contact the two sides of the security door. The driver 16 drives the cleaning brush rollers 17 to rotate, cleaning the impurities on the surface of the security door and increasing the cleanliness of the security door. When the cleaning frame 11 moves, it drives the limit slide rod 15 to slide on the support block 14, increasing the structural strength of the cleaning frame 11 and improving its stability. After the security door is covered with film, the fourth electric telescopic rod 36 is activated to push the cutting blades 37 closer together to cut the film. When the cutting blades 37 move, they drive the T-shaped support rod 38 to slide on the vertical plate 35 to ensure the stability during cutting and ensure service life.

[0025] As Figures 1 to 5 shown, the anti-theft door film coating device, when working, the anti-theft door is placed on the conveying roller 4 on the conveying frame 3, the conveying roller 4 rotates to convey the anti-theft door, when the anti-theft door is conveyed, the electric telescopic rod 6 is started to push the pressing frame 7 to move downward, the pressing wheel is contacted and pressed above the anti-theft door, the anti-theft door is guided, when the anti-theft door is conveyed through two groups of cleaning brush rollers 17, the second electric telescopic rod 12 is started to push the cleaning frame 11 to move on the top of the base 1, the cleaning brush roller 17 is contacted with the two sides of the anti-theft door, the impurities on the surface of the anti-theft door are cleaned through the driving device 16 driving the cleaning brush roller 17 to rotate, the cleanliness of the anti-theft door is increased, when the anti-theft door passes between the two film coating rollers 34, the film coating roller 34 rotates on the film coating frame 27, the film is attached to the two sides of the anti-theft door, the first spring 26 and the second spring 31 push the sliding guide block 25 and the second sliding guide block 30 to slide on the first light pole 24 and the second light pole 29 respectively, so that the two film coating rollers 34 are tightly attached to the anti-theft door, the bubbles are reduced, when the anti-theft door after coating is conveyed through two groups of flattening rollers 19, the third electric telescopic rod 20 is started to push the flattening frame 18 to move close to each other, so that the flattening roller 19 is contacted with the anti-theft door, the film is pressed on the anti-theft door, until the anti-theft door is removed from the contact with the flattening roller 19, after the anti-theft door is coated, the fourth electric telescopic rod 36 is started to push the cutting knife 37 to move close to each other, the film is cut off.

[0026] The conveying frame 3 and the driving device 16 of the anti-theft door film coating device are purchased on the market, and the technical personnel in the industry only needs to install and operate according to the attached instruction manual, without the creative labor of the technical personnel in the field.

[0027] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary technical personnel in the technical field, without departing from the technical principle of the utility model, a number of improvements and modifications can be made, and these improvements and modifications should be regarded as the protection range of the utility model.

Claims

1. A security door film application apparatus, characterized by, The utility model relates to a film covering machine, including base (1), a plurality of support legs (2), conveying assembly, cleaning assembly, film covering assembly, pressure feed assembly, flattening assembly and cutting assembly, the middle part of base (1) is equipped with conveying assembly, the bottom of base (1) four corners is equipped with support leg (2), the top left side of base (1) is equipped with cleaning assembly, the top middle part of base (1) is equipped with pressure feed assembly, the top right side of base (1) is equipped with flattening assembly, and the right side of pressure feed assembly is equipped with cutting assembly.

2. The film laminating device for security door according to claim 1, wherein The conveying assembly comprises a conveying frame (3) and a plurality of conveying rollers (4), the conveying frame (3) is fixedly installed in the middle part of the base (1), the conveying frame (3) is provided with a drive, and the conveying frame (3) is rotatably provided with a plurality of conveying rollers (4) above.

3. The film laminating device for security door according to claim 1, wherein The pressure feed assembly comprises a pressing frame (5), an electric telescopic rod (6), a pressure feed frame (7), two guide rods (8) and a top plate (9), the pressing frame (5) is fixedly installed at the top middle part of the base (1), the electric telescopic rod (6) is installed at the top middle part of the pressing frame (5), the bottom telescopic end of the electric telescopic rod (6) is provided with the pressure feed frame (7), the pressure feed frame (7) is rotatably installed at the bottom of the pressing frame (5), the guide rods (8) are symmetrically and slidably installed at the top of the pressing frame (5) about the front and back of the electric telescopic rod (6), the bottom of the guide rods (8) is connected with the front and back two end side walls of the pressure feed frame (7), the top plate (9) is installed at the top of the guide rods (8), and the top plate (9) is provided with a avoiding hole matched with the electric telescopic rod (6) in the middle part.

4. The film laminating device for security door according to claim 1, wherein The cleaning assembly comprises two cleaning frames (11), two second electric telescopic rods (12), two support frames (13), two support blocks (14), two limiting sliding rods (15), two drives (16) and two groups of cleaning brush rollers (17), the top left side of the base (1) is provided with limiting sliding grooves at the front and back two ends, the bottom of the cleaning frame (11) is provided with two limiting sliding blocks (10), the limiting sliding blocks (10) are slidably installed in the limiting sliding grooves, the second electric telescopic rods (12) are installed at the front and back two ends of the top left side of the base (1), the telescopic ends of the second electric telescopic rods (12) are connected with the outer walls of the cleaning frames (11), the support frames (13) are connected with the upper parts of the second electric telescopic rods (12), the support blocks (14) are installed at the top of the support frames (13), the limiting sliding rods (15) are slidably installed in the middle parts of the support blocks (14), the limiting sliding rods (15) are connected with the outer walls of the cleaning frames (11), the drives (16) are installed at the top of the cleaning frames (11), and the cleaning brush rollers (17) are rotatably installed on the side close to each other of the two cleaning frames (11).

5. The film laminating device for security door according to claim 3, wherein The film covering assembly comprises two first light rods (24), two sliding guide blocks (25), two first springs (26), two film covering frames (27), two second top plates (28), two flattening rollers (19), two second sliding guide blocks (30), two second springs (31), two screw sleeves (32), two positioning sleeves (33) and two film covering rollers (34). The second top plates (28) are arranged on the left side walls of the upper portion of the pressing frame (5) and are provided with limiting guide grooves at the bottom portions. The second light rods (29) are arranged in the limiting guide grooves. The second sliding guide blocks (30) are slidingly arranged on the outer walls of the second light rods (29) and the limiting guide grooves. The second springs (31) are sleeved on the outer walls of the second light rods (29). The base (1) is provided with moving guide grooves at the corresponding positions of the top portions of the base (1) and the limiting guide grooves. The first light rods (24) are arranged in the moving guide grooves. The sliding guide blocks (25) are slidingly arranged on the outer walls of the first light rods (24) and the limiting guide grooves. The first springs (26) are sleeved on the outer walls of the first light rods (24). The film covering frames (27) are fixedly arranged between the sliding guide blocks (25) and the second sliding guide blocks (30). The film covering frames (27) are provided with rotating grooves at the lower portions. The screw sleeves (32) are arranged on the upper portions of the film covering frames (27). The positioning sleeves (33) are screw-coupled below the screw sleeves (32). The film covering rollers (34) are arranged between the positioning sleeves (33) and the rotating grooves.

6. The film laminating device for security door according to claim 1, wherein The flattening assembly comprises two flattening frames (18), two groups of flattening rollers (19), two third electric telescopic rods (20), two second support frames (21), two second support blocks (22) and two second limiting sliding rods (23). The base (1) is provided with second limiting sliding grooves at the right side walls of the top portion of the base (1). The flattening frames (18) are provided with two limiting sliding blocks (10) at the bottom portions. The limiting sliding blocks (10) are slidingly arranged in the second limiting sliding grooves. The third electric telescopic rods (20) are arranged at the right side walls of the top portion of the base (1). The telescopic ends of the third electric telescopic rods (20) are connected with the outer walls of the flattening frames (18). The third electric telescopic rods (20) are connected with the second support frames (21) at the upper portions. The second support frames (21) are provided with the second support blocks (22) at the top portions. The second support blocks (22) are slidingly arranged with the second limiting sliding rods (23) at the middle portions. The second limiting sliding rods (23) are connected with the outer walls of the flattening frames (18). The flattening rollers (19) are rotatably arranged on one side of the two flattening frames (18).

7. The film laminating device for security door according to claim 3, wherein The cutting assembly comprises two vertical plates (35), two fourth electric telescopic rods (36), two cutting knives (37) and two groups of T-shaped support rods (38). The vertical plates (35) are symmetrically arranged on the right side walls of the pressing frame (5). The fourth electric telescopic rods (36) are arranged at the middle portions of the vertical plates (35). The telescopic ends of the fourth electric telescopic rods (36) are arranged with the cutting knives (37). The T-shaped support rods (38) are slidingly arranged on the upper and lower sides of the fourth electric telescopic rods (36). The T-shaped support rods (38) are connected with the cutting knives (37).

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