Electric furnace for plastic thermoforming machine

Abstract

The utility model relates to the technical field of plastic thermoforming machines, in particular to an electric furnace for a plastic thermoforming machine, which comprises an electric furnace body, automatic heating mechanisms are arranged on the surfaces of a movable frame and a mounting frame, and front-back fine adjustment mechanisms are arranged in a fixed plate and on the surface of the movable frame. And stable anti-falling mechanisms are arranged on the inner wall of the mounting frame and the surface of the electric furnace body. When the electric furnace is used, the stability between the electric furnace body and the mounting frame during mounting can be guaranteed, the electric furnace body can be automatically driven to automatically move up and down in the case body when the electric furnace is used, plastic sheets can be continuously heated, it is guaranteed that all parts of the plastic sheets can be used for blister forming, and the service life of the plastic sheets is prolonged. The utilization rate of plastic sheets is greatly improved, the production cost is reduced, the position of the electric furnace body can be finely adjusted front and back according to the width of materials when the electric furnace is used, and therefore one row of electric furnace modules can be omitted, and energy needed when the electric furnace is used is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic thermoforming machine, concretely to an electric furnace for plastic thermoforming machine. BACKGROUND

[0002] At present, when the plastic sheet is sucked and formed, a heating device needs to be used to heat the plastic sheet to soften it, and then the plastic sheet is conveyed to the sucking and forming machine for sucking and forming, and the plastic needs to go through multiple processes during processing, and an electric furnace is needed during the processing of the plastic, and the electric furnace for plastic thermoforming machine is needed.

[0003] The existing electric furnace can cause about ten centimeters of plastic sheet to be wasted during each sucking and forming, which causes great waste and reduces the utilization rate of the plastic sheet, and leads to a substantial increase in manufacturing cost. In addition, the existing electric furnace also has some shortcomings to some extent. The electric furnace needs to be installed between the mounting frame and the electric furnace body before use. The stability of the existing electric furnace during installation between the mounting frame and the electric furnace body needs to be further improved, which makes it impossible to ensure the stability of the electric furnace body and the mounting frame during installation, and it is inconvenient for the user to remove the electric furnace body from the inside of the case body for maintenance and replacement. The existing electric furnace usually does not have the function of automatically heating the surface of the plastic sheet during use, which cannot continuously heat the plastic sheet and cannot ensure that all parts of the plastic sheet can be used for sucking and forming, which reduces the utilization rate of the plastic sheet and increases the production cost. The position of the electric furnace needs to be adjusted forward and backward during use. The existing electric furnace is not convenient for adjusting the position forward and backward during use, which makes it impossible to adjust the position of the electric furnace body forward and backward according to the width of the material during use, and increases the energy required during use of the electric furnace. SUMMARY

[0004] The utility model aims at providing an electric furnace for plastic thermoforming machine to solve the problem of the stability of the electric furnace during installation between the mounting frame and the electric furnace body needing to be further improved, the function of automatically heating the surface of the plastic sheet not being usually available, and the position being inconvenient to adjust forward and backward.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: A kind of electric furnace for plastic thermoforming machine, electric furnace body is included, the side of electric furnace body is provided with machine case body, electric furnace body is arranged in the inside of machine case body, the surface of the top position of machine case body is equipped with control button, the surface of machine case body is equipped with transparent window, the surface of machine case body is provided with door body, the inside of machine case body is equipped with support frame, the surface of the bottom position of support frame is equipped with fixed plate, the inside of machine case body is provided with moving frame, the surface of moving frame and fixed plate is mutually sliding fit, electric furnace body is below fixed plate, the surface of both sides of electric furnace body is provided with mounting bracket, the surface of moving frame and mounting bracket is provided with automatic heating mechanism, the inside of automatic heating mechanism includes moving column, guide slot, fixed cylinder, second electric push rod and mounting screw, the surface of the inside of fixed plate and moving frame is provided with front and rear fine adjustment mechanism, the inside of front and rear fine adjustment mechanism includes rotating screw, fine adjustment hand wheel and front and rear fine adjustment component, the surface of the inner wall of mounting bracket and electric furnace body is provided with firm anti-coming-off mechanism, the inside of firm anti-coming-off mechanism includes fastening stud, anti-coming-off ring and firm anti-coming-off component.

[0006] Preferably, the inside of the machine case body is provided with a material conveying assembly, the material conveying assembly is below the electric furnace body, the inner wall of the machine case body is provided with a first electric push rod, the input end of the first electric push rod is electrically connected with the output end of the control button, the output end of the first electric push rod is fixed with the surface of the moving frame, and the surface of the electric furnace body is provided with fixed holes at equal intervals.

[0007] Preferably, the surface of the bottom of the moving frame is provided with a fixed cylinder, the inside of the fixed cylinder is provided with a moving column, one end of the moving column extends to the outside of the fixed cylinder, the inner wall of the fixed cylinder is provided with a guide slot, and the guide slot and the surface of the moving column are mutually sliding fit.

[0008] Preferably, the inside of the fixed cylinder is provided with a second electric push rod, the input end of the second electric push rod is electrically connected with the output end of the control button, the output end of the second electric push rod is fixed with the surface of the moving column, the surface of the moving column is threadedly connected with a mounting screw for mounting between the moving column and the mounting bracket, one end of the mounting screw penetrates through the moving column and is threadedly fastened with the surface of the mounting bracket.

[0009] Preferably, the front and rear fine adjustment component is arranged in the inside of the fixed plate and the surface of the moving frame, and the front and rear fine adjustment component is composed of a fixed cavity, a groove, an adjusting screw cylinder and a guide sliding slot, the inside of the fixed plate is provided with the fixed cavity, the inside of the fixed cavity is provided with the rotating screw, the rotating screw and the inner wall of the fixed cavity are mutually rotating fit, one end of the rotating screw extends to the outside of the fixed plate and is provided with the fine adjustment hand wheel.

[0010] Preferably, the surface of the rotating screw is sleeved with an adjusting screw cylinder, the surface of the adjusting screw cylinder is fixed with the surface at the bottom of the moving frame, the inner wall of the fixed plate is provided with a groove for guiding the moving frame, the groove and the surface of the moving frame are slidably matched, and the inner wall of the fixed plate is provided with a guide sliding groove, and the guide sliding groove and the surface of the adjusting screw cylinder are slidably matched.

[0011] Preferably, the stable anti-disengagement assembly is arranged on the inner wall of the mounting frame and the surface of the electric furnace body, the stable anti-disengagement assembly is composed of a containing groove, an anti-disengagement suction disc and a mounting suction disc, the inner wall of the mounting frame is provided with an anti-disengagement ring, the surface of the anti-disengagement ring is threadedly connected with a fastening stud, one end of the fastening stud extends to the inside of the mounting frame through the anti-disengagement ring and the mounting frame in sequence, the anti-disengagement ring and the fastening stud are matched with each other, and the inner wall of the mounting frame is provided with the containing groove.

[0012] Preferably, the inside of the containing groove is provided with the mounting suction disc, the mounting suction disc and the surface of the fastening stud are rotatably matched, the surface of the mounting suction disc is provided with the anti-disengagement suction disc for preventing the mounting frame and the electric furnace body from being disengaged, and the surfaces of the anti-disengagement suction disc and the mounting suction disc are respectively in contact with the surface of the electric furnace body.

[0013] Compared with the prior art, the electric furnace for the plastic thermoforming machine has the beneficial effects that: the electric furnace can ensure the stability between the electric furnace body and the mounting frame during installation, facilitate the user to take the electric furnace body out of the inside of the case body for maintenance and replacement, enable the electric furnace body to automatically move up and down in the inside of the case body during use of the electric furnace, enable the plastic sheet to be continuously heated, ensure that all parts of the plastic sheet can be used for vacuum forming, greatly improve the utilization rate of the plastic sheet, reduce the production cost, and enable the position of the electric furnace body to be adjusted according to the width of the material during use of the electric furnace, so that one row of electric furnace modules can be opened, and the energy required during use of the electric furnace is saved.

[0014] 1、Through the setting has the stable anti -drop mechanism, the user respectively tightens the fastening stud of the surface of the mounting frame, makes the fastening stud drive the installation suction disc to move in the inside of the containing groove, at this moment, the installation suction disc drives the containing groove to move to contact with the surface of the electric furnace body, under the joint action of the fastening stud and the installation suction disc, installs the mounting frame on the surface of the electric furnace body, under the effect of the anti -drop suction disc in the containing groove, can greatly improve the stability between the electric furnace body and the mounting frame when installing, under the effect of the anti -drop ring, avoids the fastening stud to appear the phenomenon of loosening when using, makes the mounting frame and the electric furnace body between the installation more stable, realizes the stable anti -drop function between the electric furnace and the mounting frame, so that the electric furnace can guarantee the stability between the electric furnace body and the mounting frame when installing, at the same time, the user can take down the electric furnace body from the inside of the case body, overhaul and replace the electric furnace body;

[0015] 2、Through the setting has the automatic heating mechanism, controls the second electric push rod inside the fixed cylinder works, under the action of the second electric push rod, drive the moving column to move in the inside of the fixed cylinder, at this moment, the moving column slides in the inside of the guide groove, under the action of the guide groove, the moving column is guided, then, the user tightens the installation screw on the surface of the moving column, under the action of the installation screw, installs the moving column on the surface of the mounting frame, when the second electric push rod drives the moving column and the mounting frame up and down, the mounting frame drives the electric furnace body to move up and down in the inside of the case body, heats the surface of the plastic sheet, realizes the automatic heating function of the electric furnace on the surface of the plastic sheet, so that the electric furnace can automatically drive the electric furnace body to move up and down in the inside of the case body automatically, can heat the plastic sheet continuously, ensure that all parts of the plastic sheet can be used for suction molding, greatly improve the utilization rate of plastic sheet, reduce production cost;

[0016] 3, through the setting has front and back fine adjustment mechanism, control control button work, under the action of control button drive mobile frame in the inside of the machine box body front and back movement, when mobile frame movement, mobile frame drive electric furnace body in the inside of the machine box body front and back slight movement, adjust the position of electric furnace body, then, when the width of material is narrow, need to adjust the position of electric furnace body, at this time, the user rotates the surface of the fixed plate fine adjustment hand wheel, make fine adjustment hand wheel drive rotating screw in the inside of fixed cavity rotation, under the thread cooperation of fixed cavity and adjusting screw cylinder drive adjusting screw cylinder in the inside of fixed cavity movement, at this time, adjusting screw cylinder in the inside of guide sliding groove slide, under the action of guide sliding groove adjust adjusting screw cylinder, when adjusting screw cylinder in the inside of fixed plate movement, adjusting screw cylinder drive mobile frame in the inside of groove movement, under the action of groove adjust mobile frame, when mobile frame in the inside of machine box body front and back movement, mobile frame drive electric furnace body in the inside of machine box body front and back movement, thereby slightly adjust the position of door body, realize the function of electric furnace front and back adjustment, so that the electric furnace can be used according to the width of material, front and back fine adjustment electric furnace body position, so that can open a row of electric furnace module, save the energy required when using electric furnace. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is three-dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is main view cross section structure schematic diagram of the utility model;

[0019] Figure 3 It is side view cross section enlarged structure schematic diagram of the utility model;

[0020] Figure 4 It is electric furnace body's overhead view cross section enlarged structure schematic diagram of the utility model;

[0021] Figure 5 It is the utility model's Figure 2 Automatic heating mechanism's enlarged structure schematic diagram;

[0022] Figure 6 It is the utility model's Figure 3 Front and back fine adjustment mechanism's enlarged structure schematic diagram;

[0023] Figure 7 It is the utility model's Figure 3 Stable anti-drop mechanism's enlarged structure schematic diagram.

[0024] In the figure: 1, electric furnace body; 101, control button; 102, door body; 103, transparent window; 104, case body; 105, moving frame; 106, support frame; 107, fixed plate; 108, mounting frame; 109, material conveying assembly; 110, first electric push rod; 111, fixed hole; 2, automatic heating mechanism; 21, moving column; 22, guide groove; 23, fixed cylinder; 24, second electric push rod; 25, mounting screw; 3, front and rear fine adjustment mechanism; 31, rotating screw; 32, fine adjustment hand wheel; 33, front and rear fine adjustment assembly; 331, fixed cavity; 332, groove; 333, adjusting screw cylinder; 334, guide sliding groove; 4, stable anti-dropping mechanism; 41, fastening stud; 42, anti-dropping ring; 43, stable anti-dropping assembly; 431, containing groove; 432, anti-dropping suction cup; 433, mounting suction cup. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. In addition, the terms "first", "second", "third", "upper", "lower", "left", "right" and the like are only used for description purposes, and cannot be understood as indicating or implying relative importance. Meanwhile, in the description of the present application, unless otherwise explicitly specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative efforts fall within the scope of protection of the present application.

[0026] The structure of the electric furnace for the plastic thermoforming machine provided by the present application is as follows Figure 1 and Figure 2As shown, including the electric furnace body 1, the electric furnace body 1 is provided with a machine box body 104, the electric furnace body 1 is arranged inside the machine box body 104, the surface of the top position of the machine box body 104 is mounted with a control button 101, the model of the control button 101 can be selected as LA series, the surface of the machine box body 104 is mounted with a transparent window 103, the surface of the machine box body 104 is provided with a door body 102, the inside of the machine box body 104 is mounted with a support frame 106, the surface of the bottom position of the support frame 106 is mounted with a fixed plate 107, the inside of the machine box body 104 is provided with a moving frame 105, the surface of the moving frame 105 and the fixed plate 107 are slidably connected, the electric furnace body 1 is located below the fixed plate 107, the surface of both sides of the electric furnace body 1 is provided with a mounting frame 108, the inside of the machine box body 104 is mounted with a material conveying assembly 109, the material conveying assembly 109 is located below the electric furnace body 1, the inner wall of the machine box body 104 is mounted with a first electric push rod 110, the model of the first electric push rod 110 can be selected as DG series, the input end of the first electric push rod 110 is electrically connected with the output end of the control button 101, the output end of the first electric push rod 110 is fixed with the surface of the moving frame 105, the surface of the electric furnace body 1 is provided with a fixed hole 111.

[0027] Further, as shown in Figure 2 and Figure 5 , the surface of the moving frame 105 and the mounting frame 108 is provided with an automatic heating mechanism 2, the inside of the automatic heating mechanism 2 contains a moving column 21, a guide groove 22, a fixed cylinder 23, a second electric push rod 24 and a mounting screw 25, the surface of the bottom position of the moving frame 105 is mounted with a fixed cylinder 23, the inside of the fixed cylinder 23 is provided with a moving column 21, one end of the moving column 21 extends to the outside of the fixed cylinder 23, the inner wall of the fixed cylinder 23 is provided with a guide groove 22, the guide groove 22 and the surface of the moving column 21 are slidably connected, the inside of the fixed cylinder 23 is mounted with a second electric push rod 24, the model of the second electric push rod 24 can be selected as DG series, the input end of the second electric push rod 24 is electrically connected with the output end of the control button 101, the output end of the second electric push rod 24 is fixed with the surface of the moving column 21, the surface of the moving column 21 is threadedly connected with a mounting screw 25 for mounting between the moving column 21 and the mounting frame 108, one end of the mounting screw 25 penetrates through the moving column 21 and is threadedly fastened with the surface of the mounting frame 108.

[0028] When the application is implemented, the second electric push rod 24 inside the fixed cylinder 23 is controlled to work, and the moving column 21 is driven to move inside the fixed cylinder 23 under the action of the second electric push rod 24. At this time, the moving column 21 slides inside the guide groove 22, and the moving column 21 is guided under the action of the guide groove 22. Then, the user tightens the mounting screw 25 on the surface of the moving column 21, and the moving column 21 is installed on the surface of the mounting frame 108 under the action of the mounting screw 25. When the second electric push rod 24 drives the moving column 21 and the mounting frame 108 to move up and down, the mounting frame 108 drives the electric furnace body 1 to move up and down inside the case body 104, and the surface of the plastic sheet is heated and treated to realize the function of automatically heating the surface of the plastic sheet by the electric furnace.

[0029] Further, as shown in Figure 3 and Figure 6 , the inside of the fixed plate 107 and the surface of the moving frame 105 are provided with front and rear fine adjustment mechanisms 3. The inside of the front and rear fine adjustment mechanism 3 contains a rotating screw 31, a fine adjustment hand wheel 32, and a front and rear fine adjustment assembly 33. The front and rear fine adjustment assembly 33 is arranged inside the fixed plate 107 and on the surface of the moving frame 105. The front and rear fine adjustment assembly 33 is composed of a fixed cavity 331, a groove 332, an adjusting screw cylinder 333, and a guide sliding groove 334. The fixed cavity 331 is formed in the inside of the fixed plate 107, and the rotating screw 31 is arranged in the inside of the fixed cavity 331. The rotating screw 31 is rotatably connected with the inner wall of the fixed cavity 331. One end of the rotating screw 31 extends to the outside of the fixed plate 107 and is provided with the fine adjustment hand wheel 32. The surface of the rotating screw 31 is provided with the adjusting screw cylinder 333. The surface of the adjusting screw cylinder 333 is fixed with the surface of the bottom position of the moving frame 105. The groove 332 is formed in the inner wall of the fixed plate 107 and is used to guide the moving frame 105. The groove 332 is slidably connected with the surface of the moving frame 105. The guide sliding groove 334 is formed in the inner wall of the fixed plate 107 and is slidably connected with the surface of the adjusting screw cylinder 333.

[0030] When the width of the material is narrow, the position of the electric furnace body 1 needs to be adjusted, at this time, the user rotates the fine adjustment hand wheel 32 on the surface of the fixed plate 107, so that the fine adjustment hand wheel 32 drives the rotating screw 31 to rotate inside the fixed cavity 331, and drives the adjusting screw cylinder 333 to move inside the fixed cavity 331 under the cooperation of the threads of the fixed cavity 331 and the adjusting screw cylinder 333. At this time, the adjusting screw cylinder 333 slides inside the guide sliding groove 334, and the adjusting screw cylinder 333 is guided under the action of the guide sliding groove 334. When the adjusting screw cylinder 333 moves inside the fixed plate 107, the adjusting screw cylinder 333 drives the moving frame 105 to move inside the groove 332, and the moving frame 105 is guided under the action of the groove 332. When the moving frame 105 moves back and forth inside the case body 104, the moving frame 105 drives the electric furnace body 1 to move back and forth inside the case body 104, thereby slightly adjusting the position of the door body 102 to realize the function of adjusting the electric furnace back and forth.

[0031] Further, as shown in Figure 3 and Figure 7 The inner wall of the mounting bracket 108 and the surface of the electric furnace body 1 are provided with a stable anti-loose mechanism 4, the inside of the stable anti-loose mechanism 4 contains a fastening stud 41, an anti-loose ring 42 and a stable anti-loose assembly 43, the stable anti-loose assembly 43 is arranged on the inner wall of the mounting bracket 108 and the surface of the electric furnace body 1, the stable anti-loose assembly 43 is composed of a containing groove 431, an anti-loose suction cup 432 and a mounting suction cup 433, the inner wall of the mounting bracket 108 is provided with the anti-loose ring 42, the surface of the anti-loose ring 42 is threadedly connected with the fastening stud 41, one end of the fastening stud 41 penetrates the anti-loose ring 42 and the mounting bracket 108 in sequence and extends into the inside of the mounting bracket 108, the anti-loose ring 42 and the fastening stud 41 cooperate with each other, the inner wall of the mounting bracket 108 is provided with the containing groove 431, one end of the fastening stud 41 extends into the inside of the containing groove 431, the inside of the containing groove 431 is provided with the mounting suction cup 433, the mounting suction cup 433 and the surface of the fastening stud 41 are rotatably connected with each other, the surface of the mounting suction cup 433 is provided with the anti-loose suction cup 432 for preventing the mounting bracket 108 and the electric furnace body 1 from being loosened, the surfaces of the anti-loose suction cup 432 and the mounting suction cup 433 are respectively in contact with the surface of the electric furnace body 1.

[0032] In implementation, the user respectively tightens the fastening stud 41 on the surface of the mounting frame 108, so that the fastening stud 41 drives the mounting suction disc 433 to move inside the containing groove 431, at this time, the mounting suction disc 433 drives the containing groove 431 to move to contact with the surface of the electric furnace body 1, under the joint action of the fastening stud 41 and the mounting suction disc 433, the mounting frame 108 is installed on the surface of the electric furnace body 1, under the action of the anti-dropping suction disc 432 inside the containing groove 431, the stability during installation between the electric furnace body 1 and the mounting frame 108 can be greatly improved, under the action of the anti-dropping ring 42, the fastening stud 41 is prevented from loosening during use, the installation between the mounting frame 108 and the electric furnace body 1 is more stable, so as to realize the stable and anti-dropping function between the mounting frame 108 and the electric furnace body 1.

[0033] Working principle: in use, first, the case body 104 is placed at the specified position, under the action of the material conveying assembly 109, the plastic sheet is conveyed, then, the user respectively tightens the fastening stud 41 on the surface of the mounting frame 108, so that the fastening stud 41 drives the mounting suction disc 433 to move inside the containing groove 431, at this time, the mounting suction disc 433 drives the containing groove 431 to move to contact with the surface of the electric furnace body 1, under the joint action of the fastening stud 41 and the mounting suction disc 433, the mounting frame 108 is installed on the surface of the electric furnace body 1, under the action of the anti-dropping suction disc 432 inside the containing groove 431, the stability during installation between the electric furnace body 1 and the mounting frame 108 can be greatly improved, under the action of the anti-dropping ring 42, the fastening stud 41 is prevented from loosening during use, the installation between the mounting frame 108 and the electric furnace body 1 is more stable, so as to realize the stable and anti-dropping function between the mounting frame 108 and the electric furnace body 1, so that the stability during installation between the electric furnace body 1 and the mounting frame 108 can be ensured during use of the electric furnace, at the same time, the user can conveniently take down the electric furnace body 1 from the inside of the case body 104, and overhaul and replace the electric furnace body 1.

[0034] Then, the user operates the control button 101 on the surface of the cabinet body 104, so that the control button 101 controls the second electric push rod 24 inside the fixed cylinder 23 to work, and under the action of the second electric push rod 24, the moving column 21 moves inside the fixed cylinder 23. At this time, the moving column 21 slides inside the guide groove 22, and under the action of the guide groove 22, the moving column 21 is guided. Then, the user tightens the mounting screw 25 on the surface of the moving column 21, and under the action of the mounting screw 25, the moving column 21 is mounted on the surface of the mounting frame 108. When the second electric push rod 24 drives the moving column 21 and the mounting frame 108 to move up and down, the mounting frame 108 drives the electric furnace body 1 to move up and down inside the cabinet body 104, and the surface of the plastic sheet is heated and treated to realize the function of automatic heating of the electric furnace on the surface of the plastic sheet. Thus, the electric furnace can automatically drive the electric furnace body 1 to move up and down inside the cabinet body 104 automatically when in use, and can continuously heat the plastic sheet, ensuring that all parts of the plastic sheet can be used for vacuum forming, greatly improving the utilization rate of the plastic sheet and reducing production cost.

[0035] Then, the user operates the control button 101 on the surface of the cabinet body 104 again, so that the control button 101 controls the control button 101 to work, and under the action of the control button 101, the moving frame 105 moves back and forth inside the cabinet body 104. When the moving frame 105 moves, the moving frame 105 drives the electric furnace body 1 to move slightly back and forth inside the cabinet body 104, and adjusts the position of the electric furnace body 1. Then, when the width of the material is narrow, the position of the electric furnace body 1 needs to be adjusted. At this time, the user rotates the fine adjustment hand wheel 32 on the surface of the fixed plate 107, so that the fine adjustment hand wheel 32 drives the rotating screw 31 to rotate inside the fixed cavity 331, and under the thread cooperation between the fixed cavity 331 and the adjusting screw cylinder 333, the adjusting screw cylinder 333 moves inside the fixed cavity 331. At this time, the adjusting screw cylinder 333 slides inside the guide sliding groove 334, and under the action of the guide sliding groove 334, the adjusting screw cylinder 333 is guided. When the adjusting screw cylinder 333 moves inside the fixed plate 107, the adjusting screw cylinder 333 drives the moving frame 105 to move inside the groove 332, and under the action of the groove 332, the moving frame 105 is guided. When the moving frame 105 moves back and forth inside the cabinet body 104, the moving frame 105 drives the electric furnace body 1 to move back and forth inside the cabinet body 104, thereby slightly adjusting the position of the door body 102 to realize the function of forward and backward adjustment of the electric furnace. Thus, the position of the electric furnace body 1 can be adjusted forward and backward according to the width of the material when the electric furnace is in use, so that one row of electric furnace modules can be opened, energy required when the electric furnace is in use is saved, and finally the use of the electric furnace is completed.

[0036] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. An electric furnace for a plastic thermoforming machine comprising an electric furnace body (1), characterized in that: The side of the electric furnace body (1) is provided with a machine box body (104), the electric furnace body (1) is arranged inside the machine box body (104), the surface of the top position of the machine box body (104) is mounted with a control button (101), the surface of the machine box body (104) is mounted with a transparent window (103), the surface of the machine box body (104) is provided with a door body (102), the inside of the machine box body (104) is mounted with a support frame (106), the surface of the bottom position of the support frame (106) is mounted with a fixed plate (107), the inside of the machine box body (104) is provided with a moving frame (105), the surface of the moving frame (105) and the fixed plate (107) are mutually slidably connected, the electric furnace body (1) is located below the fixed plate (107), the surface of both sides of the electric furnace body (1) is provided with a mounting frame (108), the surface of the moving frame (105) and the mounting frame (108) is provided with an automatic heating mechanism (2), the inside of the automatic heating mechanism (2) comprises a moving column (21), a guide groove (22), a fixed cylinder (23), a second electric push rod (24) and a mounting screw (25), the inside of the fixed plate (107) and the surface of the moving frame (105) are provided with a front and rear fine adjustment mechanism (3), the inside of the front and rear fine adjustment mechanism (3) comprises a rotating screw rod (31), a fine adjustment hand wheel (32) and a front and rear fine adjustment assembly (33), the inner wall of the mounting frame (108) and the surface of the electric furnace body (1) are provided with a stable anti-off mechanism (4), the inside of the stable anti-off mechanism (4) comprises a fastening stud (41), an anti-off ring (42) and a stable anti-off assembly (43).

2. The electric furnace for a plastic thermoforming machine according to claim 1, characterized in that: The inside of the machine box body (104) is mounted with a material conveying assembly (109), the material conveying assembly (109) is located below the electric furnace body (1), the inner wall of the machine box body (104) is mounted with a first electric push rod (110), the input end of the first electric push rod (110) is electrically connected with the output end of the control button (101), the output end of the first electric push rod (110) is fixed with the surface of the moving frame (105), the surface of the electric furnace body (1) is provided with equidistant fixed holes (111).

3. The electric furnace for a plastic thermoforming machine according to claim 1, characterized in that: The surface of the bottom position of the moving frame (105) is mounted with a fixed cylinder (23), the inside of the fixed cylinder (23) is provided with a moving column (21), one end of the moving column (21) extends to the outside of the fixed cylinder (23), the inner wall of the fixed cylinder (23) is provided with a guide groove (22), the guide groove (22) and the surface of the moving column (21) are mutually slidably connected.

4. The electric furnace for a plastic thermoforming machine according to claim 3, characterized in that: The inside of the fixed cylinder (23) is provided with a second electric push rod (24), the input end of the second electric push rod (24) is electrically connected with the output end of the control button (101), the output end of the second electric push rod (24) is fixed with the surface of the moving column (21), the surface of the moving column (21) is threadedly connected with the mounting screw (25) mounted between the moving column (21) and the mounting frame (108), one end of the mounting screw (25) penetrates through the moving column (21) and is threadedly fastened with the surface of the mounting frame (108).

5. The electric furnace for a plastic thermoforming machine according to claim 1, characterized in that: The front and rear fine adjustment assembly (33) is arranged inside the fixed plate (107) and the surface of the moving frame (105), the front and rear fine adjustment assembly (33) is composed of a fixed cavity (331), a groove (332), an adjusting screw cylinder (333) and a guide sliding groove (334), the inside of the fixed plate (107) is provided with the fixed cavity (331), the inside of the fixed cavity (331) is provided with the rotating screw rod (31), the rotating screw rod (31) is rotatably connected with the inner wall of the fixed cavity (331), one end of the rotating screw rod (31) extends to the outside of the fixed plate (107) and is provided with the fine adjustment hand wheel (32).

6. The electric furnace for a plastic thermoforming machine according to claim 5, characterized in that: The surface of the rotating screw rod (31) is threadedly sleeved with the adjusting screw cylinder (333), the surface of the adjusting screw cylinder (333) is fixed with the surface of the bottom position of the moving frame (105), the inner wall of the fixed plate (107) is provided with the groove (332) for guiding the moving frame (105), the groove (332) and the surface of the moving frame (105) are slidably connected with each other, the inner wall of the fixed plate (107) is provided with the guide sliding groove (334), the guide sliding groove (334) and the surface of the adjusting screw cylinder (333) are slidably connected with each other.

7. The electric furnace for a plastic thermoforming machine according to claim 1, characterized in that: The stable anti-off assembly (43) is arranged on the inner wall of the mounting frame (108) and the surface of the electric furnace body (1), the stable anti-off assembly (43) is composed of a containing groove (431), an anti-off suction cup (432) and a mounting suction cup (433), the inner wall of the mounting frame (108) is provided with the anti-off ring (42), the surface of the anti-off ring (42) is threadedly connected with the fastening stud (41), one end of the fastening stud (41) penetrates through the anti-off ring (42) and the mounting frame (108) in sequence and extends to the inside of the mounting frame (108), the anti-off ring (42) and the fastening stud (41) are connected with each other, the inner wall of the mounting frame (108) is provided with the containing groove (431), one end of the fastening stud (41) extends to the inside of the containing groove (431).

8. The electric furnace for a plastic thermoforming machine according to claim 7, characterized in that: The inside of the containing groove (431) is provided with the mounting suction cup (433), the mounting suction cup (433) and the surface of the fastening stud (41) are rotatably connected with each other, the surface of the mounting suction cup (433) is provided with the anti-off suction cup (432) for preventing the mounting frame (108) and the electric furnace body (1) from being loosened, the surfaces of the anti-off suction cup (432) and the mounting suction cup (433) are respectively in contact with the surface of the electric furnace body (1).

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