Protection type tunnel furnace driving device

Abstract

The utility model relates to the technical field of tunnel furnaces, in particular to a protection type tunnel furnace driving device which comprises a tunnel furnace body, a driving assembly is arranged at the bottom of a conveying frame of the tunnel furnace body, and fixing protection frames are detachably installed on the two sides of the bottom of the conveying frame of the tunnel furnace body. The outer portion of the fixed protection frame is sleeved with a movable protection frame of a U-shaped structure, the bottom of the fixed protection frame and the bottom of the movable protection frame are provided with a rapid adjusting mechanism used for rapidly extending the position of the movable protection frame, the rapid adjusting mechanism is composed of a guide shaft, a guide sleeve and a pull rod, and rapid clamping mechanisms are arranged on the inner walls of the two sides of an edge opening of the movable protection frame. The rapid clamping mechanism is composed of a clamping column, a clamping sleeve and a magnetic piece. According to the protection type tunnel furnace driving device, impurity invasion is prevented through the closed design, abrasion is reduced, the failure rate is reduced, stability is improved, the service life is prolonged, meanwhile, maintenance is simplified through the optimized structural design, and the operation safety risk is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel furnaces, and specifically relates to a protective tunnel furnace driving device. Background Technique

[0002] With the development of industrial technology, as an efficient heat treatment equipment, tunnel furnaces have been widely used in multiple industries. A tunnel furnace usually consists of a heating zone, a cooling zone, and a conveying system. The conveying system is responsible for transporting the items to be processed from the entrance to the exit, ensuring that they complete the heating or firing process in the furnace under the predetermined time and temperature conditions. As the core component of the conveying system, the performance of the driving device directly affects the working efficiency and product quality of the tunnel furnace.

[0003] The existing tunnel furnace driving devices can already meet the basic usage requirements, but there are still some structural deficiencies in actual applications. Especially in terms of the safety and stability of the driving device, traditional driving mechanisms mostly adopt an open design, which makes the driving components vulnerable to the influence of external environmental factors, such as the intrusion of impurities like dust and oil stains, resulting in accelerated wear of the driving components, and even jamming or damage, thus affecting the normal operation of the entire tunnel furnace. Moreover, the open structure also poses certain safety hazards for maintenance personnel during maintenance, especially when working in a high-temperature environment, increasing the operation risk. Content of the Utility Model

[0004] The purpose of the utility model is to provide a protective tunnel furnace driving device to solve the problems in the above-mentioned background technique that most of the existing tunnel furnace driving devices adopt an open design, which is easily affected by external environmental factors, resulting in accelerated wear, high failure rate, and high operation safety risks for maintenance personnel.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A protective tunnel furnace driving device, including a tunnel furnace main body. A driving assembly is provided at the bottom of the conveying frame of the tunnel furnace main body. Fixed protection frames are detachably installed on both sides of the bottom of the conveying frame of the tunnel furnace main body. An activity protection frame with a U-shaped structure is sleeved outside the fixed protection frames. And a quick adjustment mechanism for quickly extending the position of the activity protection frame is provided at the bottom of the fixed protection frames and the activity protection frame. The quick adjustment mechanism consists of a guide shaft, a guide sleeve, and a pull rod. And quick clamping mechanisms are provided on the inner walls of both sides of the edge of the activity protection frame. The quick clamping mechanism consists of a clamping column, a clamping sleeve, and a magnetic sheet.

[0006] Preferably, the guide shaft is located outside the bottom end of the activity protection frame and is horizontally distributed. The guide sleeve is fixed at the bottom of the outer end of the activity protection frame and is movably sleeved on the guide shaft. The pull rod is welded and fixed at the bottom of the guide sleeve.

[0007] Preferably, the clamping posts and the clamping sleeves are respectively fixed at the upper and lower ends of the inner walls on both sides of the edge of the movable protective frame. The magnetic sheets are fixed on the inner wall of the inner end of the clamping sleeves, and the clamping posts and the clamping sleeves are staggeredly distributed on the inner walls of the edges of the two movable protective frames.

[0008] Preferably, a screw ring is welded and fixed on the outer wall of the top end of the fixed protective frame, and a screw pin is inserted into the screw ring through a threaded structure. Threaded interfaces that match the screw pin structure are welded and fixed on both sides of the bottom of the conveying rack of the tunnel furnace main body.

[0009] Preferably, ball bearings are rollingly connected to the inner walls on both sides of the guide sleeve, and transverse ball grooves that cooperate with the ball bearings are provided on the outer walls on both sides of the guide shaft.

[0010] Preferably, guide wheels are provided on the outer walls on both sides of the bottom end of the fixed protective frame, and guide grooves that match the guide wheel structure are provided on the inner walls at the bottom on both sides of the movable protective frame.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: The drive device of the protective tunnel furnace prevents impurities from invading through a closed design, reduces wear, lowers the failure rate, improves stability and service life. At the same time, the optimized structural design simplifies maintenance and reduces the operation safety risk. Through the combined design of two groups of fixed protective frames and movable protective frames, and the coordinated application of the quick adjustment mechanism and the quick clamping mechanism, effective protection and convenient maintenance of the drive assembly are achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a schematic structural diagram of a drive device of a protective tunnel furnace according to the present utility model;

[0013] Figure 2 is a schematic side view of the connection between the movable protective frame and the fixed protective frame of a drive device of a protective tunnel furnace according to the present utility model;

[0014] Figure 3 is a schematic top view of the connection between the movable protective frame and the fixed protective frame of a drive device of a protective tunnel furnace according to the present utility model.

[0015] In the figure: 1, tunnel furnace main body; 2, drive assembly; 3, fixed protective frame; 4, movable protective frame; 5, quick clamping mechanism; 51, clamping post; 52, clamping sleeve; 53, magnetic sheet; 6, quick adjustment mechanism; 61, guide shaft; 62, guide sleeve; 63, pull rod; 64, ball bearing; 7, screw ring; 8, screw pin; 9, guide wheel. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0016] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0017] Please refer to Figures 1-3The utility model provides a technical solution: a protective tunnel furnace driving device, including a tunnel furnace body 1, a driving assembly 2 is provided at the bottom of the conveying frame of the tunnel furnace body 1, and fixed protective frames 3 are detachably installed on both sides of the bottom of the conveying frame of the tunnel furnace body 1, and the outer sleeve of the fixed protective frame 3 is provided with a movable protective frame 4 of a U-shaped structure, and the bottom of the fixed protective frame 3 and the movable protective frame 4 is provided with a quick adjustment mechanism 6 for quickly extending the position of the movable protective frame 4, and the quick adjustment mechanism 6 is composed of a guide shaft 61, a guide sleeve 62 and a pull rod 63, the guide shaft 61 is located outside the bottom end of the movable protective frame 4 and is horizontally distributed, one end of the guide shaft 61 is fixedly connected to the bottom of the outer end of the fixed protective frame 3 through a connecting piece, and the guide sleeve 62 is welded and fixed to the bottom of the outer end of the movable protective frame 4 and is movable The movable sleeve is arranged on the guide shaft 61, the pull rod 63 is welded and fixed to the bottom of the guide sleeve 62, and a quick clamping mechanism 5 is provided on the inner walls on both sides of the edge of the movable guard frame 4. The quick clamping mechanism 5 is composed of a clamping column 51, a clamping sleeve 52 and a magnetic sheet 53. The clamping column 51 and the clamping sleeve 52 are respectively fixed to the upper and lower ends of the inner walls on both sides of the edge of the movable guard frame 4 through a support block, and the magnetic sheet 53 is adhesively fixed to the inner wall at the inner end of the clamping sleeve 52, and the clamping column 51 and the clamping sleeve 52 are staggered on the inner wall of the edge of the two movable guard frames 4. The bottom sides of the conveying frame of the tunnel furnace body 1 of this structure are installed with fixed guard frames 3, and the movable guard frame 4 can be laterally slid outside the fixed guard frame 3 through the quick adjustment mechanism 6 until the two movable guard frames 4 merge with each other to drive the total The movable guard frame 4 is automatically limited when the movable guard frame 4 is enclosed and closed. Specifically, when the drive assembly 2 needs to be protected, the operator can pull the pull rod 63 of the quick adjustment mechanism 6 to move the guide sleeve 62 along the guide shaft 61, thereby driving the movable guard frame 4 to move to the center position. When the two movable guard frames 4 are in contact and ready to be enclosed, the clamping columns 51 on the inner walls on both sides of the edge of the movable guard frame 4 will be aligned with the corresponding clamping sleeve 52. At this time, the magnetic sheet 53 attracts the clamping column 51 into the clamping sleeve 52 to achieve rapid clamping, ensuring that the movable guard frame 4 is firmly maintained in a closed state. This can effectively prevent impurities such as dust and oil from invading the drive assembly 2, reduce wear, reduce the failure rate, and improve the drive assembly 2. The stability and service life of the movable protective frame 4 are improved, and it is also convenient to quickly open the movable protective frame 4 for maintenance when needed, reducing the operating difficulty and safety risks of maintenance personnel, thereby effectively solving the problem that the driving device of the tunnel furnace in the prior art is easily affected by external environmental factors due to its open design. A screw ring 7 is welded and fixed on the outer wall of the top of the fixed protective frame 3, and the inside of the screw ring 7 is connected with a screw pin 8 through a threaded structure, and both sides of the bottom of the conveying frame of the tunnel furnace body 1 are welded and fixed with threaded interfaces that match the screw pin 8 structure. With this structure, the operator can screw the screw pin 8 into the threaded structure inside the screw ring 7 until the end of the screw pin 8 is tightly connected to the threaded interface at the bottom of the conveying frame, thereby realizing the firm fixation of the fixed protective frame 3 and the tunnel furnace body 1.When it is necessary to disassemble the fixed protective frame 3 and its attached movable protective frame 4 for cleaning or maintenance, simply rotate the screw pin 8 in the reverse direction, and it can be easily removed from the threaded interface, thus quickly separating the fixed protective frame 3 from the tunnel furnace body 1. This not only ensures the stable installation of the fixed protective frame 3 but also greatly facilitates the overall disassembly work, improves the maintenance efficiency, reduces the operation time and labor intensity. On both inner walls of the guide sleeve 62, there are rolling connections with balls 64, and on both outer walls of the guide shaft 61, there are transverse ball grooves that cooperate with the balls 64. When the pull rod 63 is pulled to move the guide sleeve 62 along the guide shaft 61, the balls 64 will roll in the transverse ball grooves on the guide shaft 61, reducing the friction between the guide sleeve 62 and the guide shaft 61, making the transverse sliding of the movable protective frame 4 smoother. At the same time, the precise cooperation between the balls 64 and the transverse ball grooves on the guide shaft 61 can also improve the accuracy and stability of the movement of the guide sleeve 62, avoiding difficulties in movement or position deviation caused by excessive friction, and ensuring the high efficiency and reliability of the operation of the quick adjustment mechanism 6. On both outer walls at the bottom end of the fixed protective frame 3, there are guide wheels 9 rotatably connected through brackets, and on both inner bottom walls of the movable protective frame 4, there are guide grooves that cooperate with the structure of the guide wheels 9. When the movable protective frame 4 undergoes transverse sliding through the quick adjustment mechanism 6, the guide wheels 9 can roll in the guide grooves on the inner bottom wall of the movable protective frame 4, reducing the frictional resistance when the movable protective frame 4 moves, making the opening and closing actions of the movable protective frame 4 smoother and more labor-saving. At the same time, the cooperation between the guide wheels 9 and the guide grooves can also ensure that the movable protective frame 4 moves accurately along the predetermined track, avoiding deviation or jamming of the movable protective frame 4 during the movement process.,

[0018] Working principle: When using this protective tunnel furnace driving device, first install the fixed protective frame 3 on both sides of the bottom of the conveying frame of the tunnel furnace body 1. When installing the fixed protective frame 3, screw the screw pin 8 into the threaded structure inside the screw ring 7 until the end of the screw pin 8 is tightly connected to the threaded interface at the bottom of the conveying frame, realizing the firm fixation of the fixed protective frame 3 and the tunnel furnace body 1. When it is necessary to protect the drive assembly 2, the operator can pull the pull rod 63 in the quick adjustment mechanism 6 to move the guide sleeve 62 along the guide shaft 61. The balls 64 that are rollingly connected to both inner walls of the guide sleeve 62 roll in the transverse ball grooves on both outer walls of the guide shaft 61, reducing the friction, thereby driving the movable protective frame 4 to move towards the central position. When the two movable protective frames 4 come into contact and are about to enclose, the latch 51 of the quick latching mechanism 5 will align with the corresponding socket 52. At this time, the magnetic sheet 53 attracts the latch 51 into the socket 52 to achieve quick latching, ensuring that the movable protective frame 4 is firmly maintained in the closed state. When it is necessary to disassemble the fixed protective frame 3 and its attached movable protective frame 4 for cleaning or maintenance, simply rotate the screw pin 8 in the reverse direction, and it can be easily removed from the threaded interface, thus quickly separating the fixed protective frame 3 from the tunnel furnace body 1, and thus completing a series of work.,

[0019] Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A protective tunnel furnace drive device, comprising a tunnel furnace main body (1), wherein a drive assembly (2) is provided at the bottom of the conveyor frame of the tunnel furnace main body (1), and it is characterized in that: On both sides of the bottom of the conveying frame of the tunnel furnace main body (1), fixed protection frames (3) can be detachably installed. An activity protection frame (4) with a U-shaped structure is sleeved outside the fixed protection frame (3). A quick adjustment mechanism (6) for quickly extending the position of the activity protection frame (4) is provided at the bottom of the fixed protection frame (3) and the activity protection frame (4). The quick adjustment mechanism (6) is composed of a guide shaft (61), a guide sleeve (62) and a pull rod (63). Quick clamping mechanisms (5) are provided on the inner walls of both sides of the edge of the activity protection frame (4). The quick clamping mechanism (5) is composed of a clamping column (51), a clamping sleeve (52) and a magnetic sheet (53).

2. The protective tunnel furnace driving device according to claim 1, characterized in that: The guide shaft (61) is located outside the bottom end of the activity protection frame (4) and is horizontally distributed. The guide sleeve (62) is fixed to the bottom of the outer end of the activity protection frame (4) and is movably sleeved on the guide shaft (61). The pull rod (63) is welded and fixed to the bottom of the guide sleeve (62).

3. The protective tunnel furnace drive device according to claim 1, characterized in that: The clamping column (51) and the clamping sleeve (52) are respectively fixed to the upper and lower ends of the inner walls of both sides of the edge of the activity protection frame (4). The magnetic sheet (53) is fixed to the inner wall of the inner end of the clamping sleeve (52). The clamping column (51) and the clamping sleeve (52) are staggeredly distributed on the inner walls of the edges of the two activity protection frames (4).

4. A protective tunnel furnace drive device according to claim 1, characterized in that: A screw ring (7) is welded and fixed to the outer wall of the top end of the fixed protection frame (3). A screw pin (8) is inserted into the screw ring (7) through a threaded structure. Threaded interfaces matching the structure of the screw pin (8) are welded and fixed to both sides of the bottom of the conveying frame of the tunnel furnace main body (1).

5. The protective tunnel furnace drive device according to claim 2, wherein: Rolling balls (64) are connected to the inner walls on both sides of the guide sleeve (62). Transverse ball grooves matching the rolling balls (64) are provided on the outer walls on both sides of the guide shaft (61).

6. The protective tunnel furnace drive device according to claim 1, characterized in that: Guide wheels (9) are provided on the outer walls on both sides of the bottom end of the fixed protection frame (3). Guide grooves matching the structure of the guide wheels (9) are provided on the inner walls of both sides of the bottom of the activity protection frame (4).

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