Feeding device for vacuum furnace

Abstract

The utility model relates to the technical field of feeding devices, in particular to a feeding device for a vacuum furnace, which comprises a base, a feeding device and a discharging device. The two supporting frames are symmetrically arranged at the top end of the base, through cavities are formed in the supporting frames, and guide rail sets are arranged on the walls of the through cavities; the two moving parts are arranged on the two guide rail sets correspondingly, the moving parts are installed in the length direction of the guide rail sets in a sliding mode, supporting shafts are rotationally arranged in shaft holes of the moving parts, and the two supporting shafts are coaxially installed; the feeding box is arranged on the two supporting shafts, and the two supporting shafts are symmetrically installed at the two ends of the feeding box; the driving mechanism is arranged on the two supporting frames, the driving mechanism is used for increasing the height of the feeding box, and the driving mechanism is further used for turning over the supporting angle of the feeding box and guiding materials into the vacuum furnace; the feeding efficiency is improved, and the working environment is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of feeding device, especially to a feeding device for vacuum furnace. BACKGROUND

[0002] With the development of industrial technology, vacuum technology has been widely used in many fields, especially in vacuum melting, vacuum sintering, vacuum coating and other process. These processes usually need to be carried out in a highly pure environment to ensure the quality and performance of the product. Therefore, for the treatment of materials, especially the feeding process of materials, higher requirements are put forward. The traditional feeding mode adopts manual carrying or simple mechanical assistance, which not only has low efficiency, but also easily causes material pollution during operation, affecting the quality of the final product. In addition, manual operation also has certain safety hazards, especially in high temperature, high pressure and other special operating environment.

[0003] In order to overcome the deficiencies in the prior art, the utility model provides a feeding device specially designed for vacuum furnace. The device not only has simple structure and low cost, but also has high flexibility and reliability, which can meet the feeding needs of different types of materials, especially can realize automatic feeding under the premise of ensuring the safety of materials, greatly improve the production efficiency, reduce the labor intensity, and also improve the safety and comfort of the working environment. SUMMARY

[0004] In order to solve the above technical problems, the utility model provides a feeding device for vacuum furnace, which can improve the feeding efficiency and improve the working environment.

[0005] The feeding device for vacuum furnace of the utility model, comprising:

[0006] The base is independently fixed and arranged;

[0007] Two support frames are symmetrically arranged at the top end of the base, a through cavity is arranged on the support frame, and a guide rail group is arranged on the wall of the through cavity;

[0008] Two moving parts are arranged on the two guide rail groups respectively, and the moving parts are slidingly installed along the length direction of the guide rail group, a support shaft is rotatably arranged in the shaft hole of the moving part, and the two support shafts are coaxially installed;

[0009] A feeding box is arranged on the two support shafts, and the two support shafts are symmetrically installed at both ends of the feeding box;

[0010] A driving mechanism is arranged on the two support frames, which is used for height lifting of the feeding box. The driving mechanism also has a turnover function. After the feeding box reaches the predetermined height, the support angle of the feeding box is turned over, so that the material is smoothly guided into the vacuum furnace.

[0011] Further, the driving mechanism comprises:

[0012] four worm gears, respectively arranged on the two support frames, and the two worm gears on the same support frame are rotationally installed;

[0013] two worm wheels, respectively coaxially arranged on the two support shafts, and the worm wheels are meshingly connected with the two worm gears on the same side support frame;

[0014] two transmission mechanisms, both arranged in the inner groove of the base, and the transmission mechanisms are connected with the two worm gears symmetrically arranged at the two ends of the feeding box;

[0015] two driving motors, arranged on the same support frame, and the output ends of the two driving motors are respectively connected with the two worm gears on the support frame;

[0016] a tensioning mechanism, arranged on the base, for transmission control of the two transmission mechanisms.

[0017] As a preferred, the two driving motors are individually controlled to start and stop;

[0018] When the two driving motors rotate synchronously and in the same direction, the two worm gears are driven to rotate synchronously and in the same direction, at this time, the two worm gears cooperate with the worm wheels, the worm wheels are in a rotating stationary state, and the worm wheels drive the feeding box to adjust the height linearly through the rotation of the two worm gears;

[0019] When one driving motor rotates and the other driving motor stops, the height position of the worm wheel is in a stationary state, and the worm wheel drives the feeding box to overturn by an angle through the support shaft by meshing with the worm wheel.

[0020] Further, the transmission mechanism comprises:

[0021] two transmission sprockets, respectively coaxially arranged on the two worm gears symmetrically arranged on the two support frames relative to the feeding box;

[0022] a chain, meshingly connected with the two transmission sprockets.

[0023] As a preferred, the tensioning mechanism comprises:

[0024] a fixed frame, arranged in the inner groove of the base, and the fixed frame is provided with two guide grooves;

[0025] two transmission members, respectively slidingly arranged in the two guide grooves of the fixed frame, and the transmission members are provided with fixed shafts;

[0026] two tensioning sprockets, respectively rotationally arranged on the two fixed shafts, and the two tensioning sprockets are respectively meshingly connected with the corresponding end of the chain;

[0027] two threaded rods, symmetrically rotationally arranged on the fixed frame, and the threaded rods are connected with the threaded through holes of the transmission members on the corresponding side.

[0028] Further, the support frame is provided with an isolation plate at the through cavity notch, and the two isolation plates are located at the distal ends of the two support frames.

[0029] As preferred, the base is provided with an adjusting foot group.

[0030] Further, the top end of the feeding box is provided with an oblique notch structure, and the higher side of the oblique notch is located at the turning side of the feeding box when feeding the vacuum furnace.

[0031] The feeding device for a vacuum furnace is characterized in that the feeding device can realize automatic feeding of materials, improve production efficiency, reduce labor intensity, and ensure safe and stable treatment of materials in a vacuum environment. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 is a structural schematic view of the feeding device for a vacuum furnace in a first angle in the utility model;

[0033] Figure 2 is a structural schematic view of the feeding device for a vacuum furnace in a second angle in the utility model;

[0034] Figure 3 is a structural schematic view of the feeding device for a vacuum furnace after omitting the base and the support frame in the utility model;

[0035] Figure 4 is a structural schematic view of the tensioning mechanism of the feeding device for a vacuum furnace in the utility model;

[0036] In the drawings, 1, the base; 11, the adjusting foot group; 2, the support frame; 21, the isolation plate; 3, the guide rail group; 4, the moving piece; 5, the support shaft; 6, the feeding box; 7, the driving mechanism; 71, the worm; 72, the worm wheel; 73, the transmission mechanism; 73a, the transmission sprocket; 73b, the chain; 74, the driving motor; 75, the tensioning mechanism; 75a, the fixed frame; 75b, the transmission piece; 75c, the fixed shaft; 75d, the tensioning sprocket; 75e, the threaded rod. DETAILED DESCRIPTION

[0037] The specific embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

[0038] The utility model relates to a feeding device for a vacuum furnace, as shown in the figure, comprising: Figures 1 to 4 As shown in the figure, comprising:

[0039] The base 1 is made of a solid metal material, and is independently fixed on the ground or a platform;

[0040] Two support frames 2 are symmetrically arranged at the top end of the base 1, and the two support frames 2 provide structural support for the whole device, a through cavity is arranged on the support frame 2, and a guide rail group 3 is arranged on the wall of the through cavity;

[0041] Two moving pieces 4 are arranged on the two guide rail groups 3 respectively, and the moving pieces 4 are slidingly installed along the length direction of the guide rail group 3, a support shaft 5 is rotatably arranged in the shaft hole of the moving piece 4, and the two support shafts 5 are coaxially installed;

[0042] A feeding box 6 is arranged on the two support shafts 5, and the two support shafts 5 are symmetrically installed at both ends of the feeding box 6 to realize stable suspension;

[0043] A driving mechanism 7 is arranged on the two support frames 2, which is the power source of the whole feeding device, and the driving mechanism 7 is used for height lifting of the feeding box 6, and the driving mechanism 7 also has a turnover function, so that the material is smoothly introduced into the vacuum furnace after the feeding box 6 reaches the predetermined height;

[0044] The utility model is suitable for various occasions needing material processing under vacuum environment, such as vacuum melting, vacuum sintering, vacuum coating and the like, and the automatic feeding of the material can be realized through the feeding device of the utility model, wherein the device can realize the functions of material height lifting and turnover, and the working principle is as follows:

[0045] The material is loaded into the feeding box 6, the material is ensured to be stable and not to shake, the driving mechanism 7 is started, the moving piece 4 is driven to slide upwards along the guide rail group 3, the feeding box 6 is lifted to a predetermined height, the driving mechanism 7 continues to work when the feeding box 6 reaches the predetermined height, the support angle of the feeding box 6 is turned over, the material is smoothly slid into the vacuum furnace, after the feeding is completed, the driving mechanism 7 works in reverse to restore the feeding box 6 to the initial position, and waits for the next feeding operation;

[0046] Through the feeding device of the utility model, the automatic feeding of the material can be realized, the production efficiency is improved, the labor intensity is reduced, and the safe and stable processing of the material under the vacuum environment is ensured.

[0047] In the traditional technology, the driving mechanism of the feeding device realizes the height lifting and turnover function of the feeding box through a complex mechanical structure, however, such design not only has a complex structure and is difficult to maintain, but also has defects in precision and stability, in order to solve these problems, the utility model designs a more optimal driving mechanism 7, as shown in the figure, which comprises: Figures 1 to 4

[0048] Four worm gears 71 are arranged on the two support frames 2 respectively, and the two worm gears 71 on the same support frame 2 are rotatably installed;

[0049] ​Two worm gears 72 are coaxially arranged on the two support shafts 5 respectively, and the worm gears 72 are meshed with the two worm gears 71 on the same side support frame 2, the meshing mechanism has self-locking property, and can keep the position of the feeding box 6 stable when stopping driving;

[0050] Two transmission mechanisms 73 are arranged in the grooves in the base 1, and the transmission mechanisms 73 are connected with the two worm gears 71 symmetrically arranged at the two ends of the feeding box 6, so as to ensure that the two worm gears 71 symmetrically arranged on the two support frames 2 rotate synchronously;

[0051] Two drive motors 74 are arranged on the same support frame 2, and the output ends of the two drive motors 74 are connected with the two worm gears 71 on the support frame 2 respectively, so as to provide rotating force for the worm gears 71;

[0052] A tensioning mechanism 75 is arranged on the base 1, and is used for transmission control of the two transmission mechanisms 73;

[0053] The two drive motors 74 are controlled to start and stop individually;

[0054] When the two drive motors 74 rotate synchronously in the same direction, the two worm gears 71 are driven to rotate synchronously in the same direction, at this time, the two worm gears 71 cooperate with the worm gears 72, the worm gears 72 are in rotating stationary state, and the worm gears 72 drive the feeding box 6 to adjust the height linearly through the two worm gears 71;

[0055] When one drive motor 74 rotates and the other drive motor 74 stops, the height position of the worm gear 72 is in stationary state, and the worm gear 72 drives the feeding box 6 to overturn through the meshing with the worm gear 72 by the support shaft 5;

[0056] The working principle of the driving mechanism 7 of the device is as follows:

[0057] Height lifting: when the two drive motors 74 rotate synchronously in the same direction, they respectively drive the two worm gears 71 on the two support frames 2 to rotate synchronously in the same direction, since the worm gears 71 are meshed with the worm gears 72, at this time, the worm gears 72 are driven by the synchronous driving force of the two worm gears 71, so that the worm gears 72 and the support shafts 5 coaxial with the worm gears 72 move linearly in the vertical direction, thereby driving the feeding box 6 to be lifted to a predetermined height;

[0058] Angle overturning: when one drive motor 74 rotates and the other drive motor 74 stops, since the worm gear-worm gear has self-locking property, the worm gear 71 that stops rotating will fix the height position of the corresponding worm gear 72 and support shaft 5, and the worm gear 71 that rotates will drive the support shaft 5 and the feeding box 6 to overturn in the horizontal direction through the worm gear 72, so as to realize angle overturning of the feeding box 6, thereby smoothly guiding the material into the vacuum furnace;

[0059] The driving mechanism 7 of the utility model, through worm 71-worm wheel 72 and two drive motors 74's independent control, realized the height promotion and the overturn of two functions of feeding box 6, this design not only simple structure, convenient operation, and has self-locking, ensured the stability and safety in the process of feeding, simultaneously, through the transmission control of tensioning mechanism 75 to transmission mechanism 73, further improved the reliability and durability of entire feeding device.

[0060] In the prior art, the transmission mechanism usually adopts simple gears or belts to realize power transmission and synchronous rotation, however, these prior arts can realize basic transmission function, but when facing the high-precision, high-stability and high-reliability transmission requirements in the device, they are not satisfactory, in order to solve the above problems, the device designs a more optimal transmission mechanism 73, as shown in Figures 1 to 4 , comprising:

[0061] Two transmission sprockets 73a are coaxially arranged on the two worms 71 symmetrically arranged opposite the feeding box 6 of the two support frames 2, the transmission sprocket 73a and the worm 71 are coaxially rotated by key connection or spline connection, etc., to ensure that the rotation of the transmission sprocket 73a can be accurately transmitted to the worm 71;

[0062] The chain 73b is meshed and connected with the two transmission sprockets 73a, forming a closed-loop transmission system, when one of the transmission sprockets 73a rotates, the other transmission sprocket 73a will also rotate synchronously through the transmission action of the chain 73b, thereby ensuring that the two worms 71 can rotate synchronously;

[0063] The transmission mechanism 73 of the utility model is designed ingeniously, the meshing connection of the transmission sprocket 73a and the chain 73b realizes the synchronous rotation of the two worms 71, thereby ensuring the stability and accuracy of the feeding box 6 during the height promotion and overturning process, this design not only has simple structure, easy maintenance, but also has high transmission efficiency and good reliability, further improving the reliability and durability of the entire feeding device.

[0064] In the prior art, the tensioning mechanism usually adopts spring, hydraulic or pneumatic to realize the tensioning of the chain or belt, however, these prior arts can realize basic tensioning function, but the cost is high or the long-time high-strength support will cause loosening, in order to solve the above problems, the device designs a more optimal tensioning mechanism 75, as shown in Figures 3 to 4 , comprising:

[0065] The fixed frame 75a is arranged in the groove in the base 1 and is fixed by welding or bolt connection, etc., the fixed frame 75a is provided with two guide grooves;

[0066] Two transmission members 75b are respectively slidably arranged in the two guide grooves of the fixed frame 75a, and a fixed shaft 75c is arranged on each transmission member 75b;

[0067] Two tension sprockets 75d are respectively rotatably arranged on the two fixed shafts 75c, and the two tension sprockets 75d are respectively meshed with the corresponding end of the chain 73b, so as to ensure that the chain 73b does not jump or come off during transmission due to slackening;

[0068] Two threaded rods 75e are symmetrically rotatably arranged on the fixed frame 75a, and the threaded rod 75e is connected with the threaded hole of the corresponding side of the transmission member 75b, so that the transmission member 75b can be driven to slide in the guide groove by rotating the threaded rod 75e, thereby adjusting the position of the tension sprocket 75d and further adjusting the tension of the chain 73b;

[0069] Before the driving mechanism 7 works, the chain 73b needs to be tensioned by the tensioning mechanism 75 first, and the working principle of the tensioning mechanism 75 of the device is as follows:

[0070] The two threaded rods 75e are rotated to drive the transmission member 75b to slide in the guide groove of the fixed frame 75a, and since the transmission member 75b is provided with the tension sprocket 75d, the tension sprocket 75d will also move with the movement of the transmission member 75b, and by adjusting the positions of the two tension sprockets 75d, the chain 73b can be kept at an appropriate tension between the two transmission sprockets 73a and the tension sprocket 75d, so that when the transmission sprocket 73a rotates, the chain 73b can stably transmit power without problems due to slackening;

[0071] The tensioning mechanism 75 of the utility model can conveniently adjust the tension of the chain 73b through the cooperation of the threaded rod 75e and the transmission member 75b, and this design not only has a simple structure and is easy to operate, but also can ensure the stability and reliability of the transmission mechanism 73, further improve the reliability and durability of the whole feeding device, and at the same time, since the tensioning mechanism 75 is arranged in the inner groove of the base 1, it does not occupy additional space, so that the structure of the whole feeding device is more compact.

[0072] As a preferred scheme, the device designs a better support frame 2, as shown in Figures 1 to 2 The support frame 2 is provided with an isolation plate 21 at the through cavity slot, the isolation plate 21 is made of a firm metal material, and is fixed by bolts, and the two isolation plates 21 are located at the far ends of the two support frames 2;

[0073] The isolation plate 21 can play a certain safety protection role, which can block the operator or external objects from directly contacting the moving parts inside the through cavity, so as to avoid safety accidents.

[0074] As a preferred solution, the device designs a more optimal base 1, as shown, comprising, the base 1 is provided with an adjusting foot group 11; Figures 1 to 2

[0075] The utility model discloses a setting adjusting foot group 11, not only improves the stability and adaptability of feeding device, also simplifies the installation and debugging process, further promotes the performance and use experience of whole device.

[0076] As a preferred solution, the device designs a more optimal base 1, as shown, comprising, the base 1 is provided with an adjusting foot group 11; Figures 1 to 4

[0077] The utility model discloses a setting adjusting foot group 11, not only improves the stability and adaptability of feeding device, also simplifies the installation and debugging process, further promotes the performance and use experience of whole device.

[0078] The installation mode, connection mode or setting mode of the utility model discloses a kind of feeding device for vacuum furnace, it is all for common mechanical mode, can be implemented as long as it can achieve its beneficial effect.

[0079] The above is only preferred embodiment of the utility model, it should be pointed out, for the ordinary skill in the art of this technology, on the premise of not departing from the technical principle of the utility model, can also make several improvements and variations, these improvements and variations also should be regarded as the protection scope of the utility model.​​

Claims

1. A feeding device for a vacuum furnace, characterized in that, It includes: Base (1), independent fixed setting; Two support frames (2) are symmetrically arranged at the top end of the base (1), and a through cavity is arranged on the support frame (2), and a guide rail group (3) is arranged on the through cavity wall; Two moving parts (4) are arranged on the two guide rail groups (3), and the moving parts (4) are slidingly installed along the length direction of the guide rail group (3), the moving parts (4) are rotatably arranged in the shaft hole of the support shaft (5), and the two support shafts (5) are coaxially installed; A feeding box (6) is arranged on the two support shafts (5), and the two support shafts (5) are symmetrically installed at both ends of the feeding box (6); A driving mechanism (7) is arranged on the two support frames (2), the driving mechanism (7) is used for height lifting of the feeding box (6), the driving mechanism (7) also has a turnover function, and after the feeding box (6) reaches a predetermined height, the support angle of the feeding box (6) is turned over, so that the material is smoothly guided into the vacuum furnace.

2. The material loading device for a vacuum furnace according to claim 1, wherein The driving mechanism (7) comprises: Four worms (71) are arranged on the two support frames (2) respectively, and the two worms (71) on the same support frame (2) are rotatably installed; Two worm gears (72) are coaxially arranged on the two support shafts (5) respectively, and the worm gears (72) are meshed and connected with the two worms (71) on the same side of the support frame (2); Two transmission mechanisms (73) are arranged in the groove of the base (1), and the transmission mechanisms (73) are connected with the two worms (71) symmetrically arranged at both ends of the feeding box (6); Two drive motors (74) are arranged on the same support frame (2), and the output ends of the two drive motors (74) are respectively connected with the two worms (71) on the support frame (2); A tensioning mechanism (75) is arranged on the base (1) and is used for transmission control of the two transmission mechanisms (73).

3. A material loading device for a vacuum furnace as claimed in claim 2, characterized in that The two drive motors (74) are independently started and stopped; When the two drive motors (74) rotate synchronously and in the same direction, the two worms (71) are driven to rotate synchronously and in the same direction, at this time, the two worms (71) cooperate with the worm gears (72), the worm gears (72) are in a rotating stationary state, and the worm gears (72) drive the feeding box (6) to adjust the height in a straight line through the rotation of the two worms (71); When one of the drive motors (74) rotates and the other one stops, the height position of the worm gear (72) is in a stationary state, and the worm gear (72) drives the feeding box (6) to perform angle turnover through the support shaft (5) by meshing with the worm gear (72).

4. The material loading device for a vacuum furnace according to claim 2, wherein The transmission mechanism (73) comprises: Two transmission sprockets (73a) are coaxially arranged on the two support frames (2) respectively, and the two transmission sprockets (73a) are symmetrically arranged on the two worms (71) opposite the feeding box (6); A chain (73b) is meshed and connected with the two transmission sprockets (73a).

5. A material loading device for a vacuum furnace as claimed in claim 4, characterized in that The tensioning mechanism (75) comprises: A fixed frame (75a) is arranged in the groove in the base (1), and two guide grooves are arranged on the fixed frame (75a); Two transmission members (75b) are respectively and slidably arranged in the two guide grooves of the fixed frame (75a), and a fixed shaft (75c) is arranged on the transmission member (75b); Two tension sprockets (75d) are respectively and rotatably arranged on the two fixed shafts (75c), and the two tension sprockets (75d) are respectively and meshingly connected with the corresponding end chain (73b); Two threaded rods (75e) are symmetrically and rotatably arranged on the fixed frame (75a), and the threaded rod (75e) is threadedly connected with the threaded through hole of the corresponding side transmission member (75b).

6. A material loading device for a vacuum furnace as claimed in claim 1, characterized in that The support frame (2) is provided with an isolation plate (21) at the through cavity notch, and the two isolation plates (21) are located at the far ends of the two support frames (2).

7. A material loading device for a vacuum furnace as claimed in claim 1, characterized in that, The base (1) is provided with an adjusting foot group (11).

8. A material loading device for a vacuum furnace as claimed in claim 1, characterized in that, The top end of the feeding box (6) is arranged as an inclined structure, and the higher side of the inclined opening is located on the turning side of the feeding box (6) when feeding the vacuum furnace.

Images