Feeding auxiliary mechanism for vacuum hot pressing sintering furnace

Abstract

The utility model relates to an auxiliary feeding mechanism for a vacuum hot pressing sintering furnace, which comprises a fixed seat, the fixed seat comprises two side plates which are symmetrically arranged, and a plurality of conveying rollers which are parallel to each other and are uniformly distributed along the length direction of the fixed seat are arranged between the two side plates; a first clamping plate and a second clamping plate which can synchronously and oppositely move are respectively arranged on the inner sides of the two side edges corresponding to the upper part of the conveying roller, and a first clamping pad and a second clamping pad are respectively arranged on the opposite sides of the first clamping plate and the second clamping plate. The ceramic workpiece transfer device has the advantages that the ceramic workpieces are prevented from sliding, deviating or colliding in the transfer process, the positions of the ceramic workpieces are kept stable in the transfer process, the ceramic workpieces are prevented from being damaged or damaged, the positions of the ceramic workpieces are limited and straightened, and the situation that subsequent adjustment in a sintering furnace is inconvenient is avoided.

Description

Technical Field

[0001] The utility model belongs to a feeding auxiliary mechanism, and particularly relates to a feeding auxiliary mechanism for a vacuum hot-pressing sintering furnace. Background Art

[0002] Some ceramic materials have the characteristics of high melting point, high hardness, low density, good thermal stability, strong resistance to chemical erosion, and strong neutron absorption capacity. In order to better increase the firing strength of some ceramics, a sintering furnace is usually used to fire the ceramics. Before firing the ceramics, the ceramics need to be placed in the sintering furnace. Since the ceramics to be fired are relatively heavy, a transfer cart or other means is usually used to transfer the ceramics.

[0003] When transferring ceramics by a transfer cart, due to the heavy mass of the ceramics, the ceramics are prone to damage or injury when they accidentally slide, shift, or collide with the transfer cart or between the ceramics, which affects the production quality of the ceramics. Moreover, during the transfer, if the position or angle of the ceramics shifts, it is troublesome to correct or calibrate the position of the ceramics when they are transferred into the sintering furnace, which affects the smooth placement of the ceramics in the sintering furnace. Summary of the Invention

[0004] The purpose of the utility model is to provide a feeding auxiliary mechanism for a vacuum hot-pressing sintering furnace, which solves the problems such as easy damage and easy position deviation of workpieces existing in the prior art.

[0005] The above technical purpose of the utility model is mainly solved by the following technical scheme: a feeding auxiliary mechanism for a vacuum hot-pressing sintering furnace, including a fixed seat. The fixed seat includes two symmetrically arranged side plates. Between the two side plates, there are a number of conveying rollers arranged parallel to each other and evenly distributed along the length direction of the fixed seat. Corresponding to the upper side of the conveying rollers, on the inner sides of the two side plates, there are a first clamping plate and a second clamping plate that can move synchronously towards each other. On the opposite sides of the first clamping plate and the second clamping plate, there are a first clamping pad and a second clamping pad respectively. The above-mentioned conveying rollers can convey and transfer ceramic workpieces, while the first clamping plate and the second clamping plate can clamp and limit the ceramic workpieces on the conveying rollers, and realize the clamping and limiting of ceramic workpieces with different sizes and shapes through the synchronous opposite movement of the first clamping plate and the second clamping plate, so as to avoid the sliding, shifting or collision of the ceramic workpieces during the transfer process, keep the position of the ceramic workpieces stable during the transfer, avoid the damage or injury of the ceramic workpieces, and limit and correct the position of the ceramic workpieces to avoid inconvenient adjustment in the subsequent sintering furnace. The first clamping pad and the second clamping pad can increase the softness of the contact surface between the first clamping plate and the second clamping plate and the ceramic workpieces, play a role in protecting and cushioning the ceramic workpieces, and adapt to ceramic workpieces with different shapes.

[0006] Preferably, a plurality of connecting columns are provided at the bottoms of the first clamping plate and the second clamping plate, which pass downward through the gaps between adjacent conveying rollers. A plurality of strip-shaped grooves are provided on the fixed seat, which are respectively matched with the connecting columns and arranged along the axis direction of the conveying rollers. The connecting columns at the bottom of the first clamping plate pass through the strip-shaped grooves and extend below the fixed seat to be connected with the first strip-shaped plate, and the connecting columns at the bottom of the second clamping plate pass through the strip-shaped grooves and extend below the fixed seat to be connected with the second strip-shaped plate. The first clamping plate and the second clamping plate can move above the conveying rollers along the strip-shaped grooves through the connecting columns at their respective bottoms to realize the clamping action on the ceramic workpiece. The strip-shaped grooves play a role in guiding and limiting the connecting columns, while the first strip-shaped plate and the second strip-shaped plate can respectively connect and position the first clamping plate and the second clamping plate to keep the first clamping plate and the second clamping plate stable above the conveying rollers.

[0007] Preferably, the first strip-shaped plate and the second strip-shaped plate are symmetrically and parallelly arranged. A plurality of T-shaped guiding blocks are provided at the bottom of the fixed seat, which are arranged along the width direction. The two ends of the T-shaped guiding blocks respectively pass through the first strip-shaped plate and the second strip-shaped plate and are matched with each other. The T-shaped guiding blocks are matched with the first strip-shaped plate and the second strip-shaped plate and pass through the first strip-shaped plate and the second strip-shaped plate to facilitate the position limiting and fixing of the first strip-shaped plate and the second strip-shaped plate, so that the longitudinal positions of the first clamping plate and the second clamping plate can be fixed through the first strip-shaped plate and the second strip-shaped plate, and the smoothness and stability of the movement of the first strip-shaped plate and the second strip-shaped plate can be ensured.

[0008] Preferably, a rotatable gear is provided in the middle between the first strip-shaped plate and the second strip-shaped plate. A first rack is provided on the side wall of the first strip-shaped plate on one side of the gear and meshes with the gear, and a second rack is provided on the side wall of the second strip-shaped plate on the other side of the gear and meshes with the gear. The gear can drive the first rack and the second rack to move by rotation through meshing with the first rack and the second rack respectively, thereby driving the first strip-shaped plate and the second strip-shaped plate to move synchronously, and then driving the first clamping plate and the second clamping plate to realize synchronous opposite movement through the connecting columns.

[0009] Preferably, first arc-shaped grooves and second arc-shaped grooves for matching with the side wall of the gear are respectively provided on the opposite sides of the first strip-shaped plate and the second strip-shaped plate corresponding to the two adjacent sides of the gear. The first arc-shaped grooves and the second arc-shaped grooves can provide a space for matching with the side of the gear, increasing the movable range of the first strip-shaped plate and the second strip-shaped plate, and thus increasing the clamping range of the first clamping plate and the second clamping plate.

[0010] Preferably, a worm wheel is provided below the gear, which is coaxially arranged with the gear and rotates synchronously with it. A worm screw meshing with the worm wheel is provided on the adjacent side of the worm wheel. An extension portion is provided at one end of the worm screw, which extends to the outside of the fixed seat along the length direction of the fixed seat. The meshing of the worm wheel and the worm screw allows the worm screw to drive the worm wheel, so that the worm wheel drives the gear to rotate synchronously to achieve the clamping action. At the same time, the self-locking ability of the worm gear structure can maintain the clamping state of the first clamping plate and the second clamping plate on the ceramic workpiece, and the extension portion is provided to facilitate direct external operation by the staff to control the rotation of the worm wheel, so as to more easily achieve the clamping action on the ceramic workpiece.

[0011] Preferably, the highest points of the worm wheel and the worm are lower than the lowest points of the first strip plate, the second strip plate and the gear; the highest points of the worm wheel and the worm are lower than the lowest points of the first strip plate, the second strip plate and the gear, so as to extend the axial distance between the worm wheel and the gear, and prevent the worm wheel structure from interfering with or blocking the movement of the first strip plate and the second strip plate, thereby reducing the movable range of the first strip plate and the second strip plate.

[0012] Preferably, a base is provided at the bottom of the fixing seat, and a plurality of positioning blocks are provided on the inner bottom surface of the base for the extension part to pass through and be rotatably connected to the extension part. A detachable and radially arranged long rod is provided at one end of the extension part located outside the fixing seat; the above-mentioned positioning block can position the extension part of the worm, ensure the precise and stable engagement of the worm and the worm wheel, and support the stable rotation of the worm to avoid the deviation of the worm. The setting of the long rod can be connected with the extension part when it is necessary to clamp or release the ceramic workpiece, so as to drive the worm to rotate. The structure is simple and the operation is easy.

[0013] Therefore, the utility model has the characteristics of preventing the ceramic workpiece from sliding, deviating or colliding during the transportation process, maintaining the stable position of the ceramic workpiece during transportation, preventing the ceramic workpiece from being damaged or injured, and limiting and correcting the position of the ceramic workpiece to avoid the inconvenience of subsequent adjustment in the sintering furnace. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 yes Figure 1 Structural cross-sectional view of

[0016] Figure 3 yes Figure 1 A bottom view of the fixing seat in FIG.

[0017] Figure 4 yes Figure 3 Side view of. DETAILED DESCRIPTION

[0018] The technical solution of the present utility model will be further specifically described below through embodiments in conjunction with the accompanying drawings.

[0019] As Figure 1-2 shown, a feeding auxiliary mechanism for a vacuum hot pressing and sintering furnace includes a fixed seat 1. The fixed seat 1 includes two symmetrically arranged side plates 11. Between the two side plates 11, a number of conveying rollers 12 that are parallel to each other and evenly distributed along the length direction of the fixed seat 1 are provided. Corresponding to the upper side of the conveying rollers 12, a first clamping plate 21 and a second clamping plate 22 that can move synchronously and oppositely are respectively provided on the inner sides of the two side plates 11. On the opposite sides of the first clamping plate 21 and the second clamping plate 22, a first clamping pad 211 and a second clamping pad 221 are respectively provided.

[0020] The distance between the two side plates of the above-mentioned fixed seat can be set according to the size of the produced ceramic workpieces. Each conveying roller is driven by an external servo motor. When the ceramic workpiece is placed on the conveying roller, the first clamping plate and the second clamping plate on both sides move synchronously and oppositely to clamp the ceramic workpiece. The first clamping pad and the second clamping pad are respectively connected to the opposite end faces of the first clamping plate and the second clamping plate. When the first clamping plate and the second clamping plate clamp the ceramic workpiece, the first clamping pad and the second clamping pad contact both sides of the ceramic workpiece. The softness and elasticity of the first clamping pad and the second clamping pad can adapt to the shape of the ceramic workpiece and provide a shock-absorbing effect, and play a role in protecting the ceramic workpiece. The first clamping pad and the second clamping pad can be made of materials such as rubber or silica gel.

[0021] As Figure 2-3 shown, a number of connecting columns 23 that pass downward through the gaps between adjacent conveying rollers 12 are provided at the bottoms of the first clamping plate 21 and the second clamping plate 22. On the fixed seat 1, a number of strip-shaped grooves 13 that are respectively matched with the connecting columns 23 and arranged along the axial direction of the conveying rollers 12 are provided. Each connecting column 23 at the bottom of the first clamping plate 21 passes through the strip-shaped groove 13 and extends below the fixed seat 1 to be connected to the first strip-shaped plate 24. Each connecting column 23 at the bottom of the second clamping plate 22 passes through the strip-shaped groove 13 and extends below the fixed seat 1 to be connected to the second strip-shaped plate 25. The first strip-shaped plate 24 and the second strip-shaped plate 25 are symmetrically and parallelly arranged. A number of T-shaped guide blocks 14 arranged along the width direction are provided at the bottom of the fixed seat 1. The two ends of the T-shaped guide block 14 respectively pass through the first strip-shaped plate 24 and the second strip-shaped plate 25 and cooperate with each other.

[0022] A plurality of connecting columns are respectively arranged at the bottoms of the first clamping plate and the second clamping plate. The connecting columns pass through the gaps between the conveying rollers and the strip-shaped grooves to be connected with the first strip-shaped plate and the second strip-shaped plate. The first clamping plate and the second clamping plate can be driven by the first strip-shaped plate and the second strip-shaped plate to move to achieve the clamping action, and the connecting columns move along the strip-shaped grooves. The first strip-shaped plate and the second strip-shaped plate are connected with the T-shaped guide blocks at the bottom of the fixed seat in a matching manner, and the first strip-shaped plate and the second strip-shaped plate move along the length direction of the T-shaped guide blocks. At the same time, the T-shaped guide blocks limit the longitudinal positions of the first strip-shaped plate and the second strip-shaped plate to prevent the first clamping plate and the second clamping plate from floating up and down.

[0023] As Figure 3-4 shown, a rotatable gear 31 is provided in the middle between the first strip-shaped plate 24 and the second strip-shaped plate 25. A first rack 241 is provided on the side wall of the first strip-shaped plate 24 on one side of the gear 31 and meshes with the gear 31. A second rack 251 is provided on the side wall of the second strip-shaped plate 25 on the other side of the gear 31 and meshes with the gear 31. On the opposite sides of the first strip-shaped plate 24 and the second strip-shaped plate corresponding to the two adjacent sides of the gear 31, a first arc-shaped groove 242 and a second arc-shaped groove 252 are respectively provided for cooperating with the side wall of the gear 31. Below the gear 31, a worm wheel 32 coaxially arranged with the gear 31 and rotating synchronously is provided. A worm 33 meshing with the worm wheel 32 is provided adjacent to the worm wheel 32. One end of the worm 33 is provided with an extension 331 extending along the length direction of the fixed seat 1 to the outside of the fixed seat 1. The highest points of the worm wheel 32 and the worm 33 are both lower than the lowest points of the first strip-shaped plate 24, the second strip-shaped plate 25 and the gear 31. A base 4 is provided at the bottom of the fixed seat 1. A plurality of positioning blocks 41 for allowing the extension 331 to pass through and rotatably connecting with the extension 331 are provided on the inner bottom surface of the base 4. A detachable and radially arranged long rod 34 is provided at the end of the extension 331 outside the fixed seat 1.

[0024] The above-mentioned gear is arranged between the first strip-shaped plate and the second strip-shaped plate through a rotating shaft and is connected to the bottom of the fixed seat. The worm wheel is coaxially connected with the gear and is spaced apart from the gear by a certain distance. The first rack on the side wall of the first strip-shaped plate extends towards the gear and meshes with the gear. The second rack on the side wall of the second strip-shaped plate extends towards the other side of the gear and meshes with the gear. The first rack and the second rack are parallel to each other. The worm is kept meshing with the worm wheel. When the worm rotates, the worm drives the worm wheel to rotate synchronously. The worm wheel drives the gear to rotate synchronously. The gear drives the first rack and the second rack to move synchronously. The first rack and the second rack drive the first strip-shaped plate and the second strip-shaped plate to move. The first strip-shaped plate and the second strip-shaped plate drive the first clamping plate and the second clamping plate to move through the connecting columns until the first clamping plate and the second clamping plate complete the clamping of the ceramic workpiece. Cancel the drive of the worm. Due to the self-locking ability of the worm and worm wheel structure, therefore, the first clamping plate and the second clamping plate can keep clamping the ceramic workpiece, and reverse rotation of the worm can realize the relaxation of the first clamping plate and the second clamping plate on the ceramic workpiece.

[0025] One end of the long rod can be radially inserted into the hole at the outer end of the extension part. The staff can hold the longer end of the long rod and bend the long rod to drive the extension part to rotate through the long rod, which is more labor-saving. The extension part can thus drive the worm to drive the worm wheel. A plurality of positioning blocks arranged on the base are rotatably connected to the extension part and support the extension part to prevent the extension part from shifting and maintain the meshing state of the worm and the worm wheel. One of the positioning blocks is arranged near the worm end to enhance the precision of the meshing of the worm and the worm wheel. The long rod can be pulled out without driving the first clamp and the second clamp to avoid accidental touch.

Claims

1. An auxiliary feeding mechanism for a vacuum hot pressing and sintering furnace, characterized in that: It includes a fixed seat (1), and the fixed seat (1) includes two symmetrically arranged side plates (11). Between the two side plates (11), there are a number of conveying rollers (12) that are parallel to each other and evenly distributed along the length direction of the fixed seat (1). Corresponding to the upper side of the conveying rollers (12) on the inner sides of the two side plates (11), there are respectively a first clamping plate (21) and a second clamping plate (22) that can move synchronously towards each other. On the opposite sides of the first clamping plate (21) and the second clamping plate (22), there are respectively a first clamping pad (211) and a second clamping pad (221).

2. The feeding auxiliary mechanism for the vacuum hot pressing sintering furnace according to claim 1, characterized in that: At the bottoms of the first clamping plate (21) and the second clamping plate (22), there are a number of connecting columns (23) that pass downward through the gaps between adjacent conveying rollers (12). On the fixed seat (1), there are a number of strip-shaped grooves (13) that are respectively matched with the connecting columns (23) and arranged along the axis direction of the conveying rollers (12). The connecting columns (23) at the bottom of the first clamping plate (21) pass through the strip-shaped grooves (13) and extend to the lower side of the fixed seat (1) to be connected to the first strip-shaped plate (24). The connecting columns (23) at the bottom of the second clamping plate (22) pass through the strip-shaped grooves (13) and extend to the lower side of the fixed seat (1) to be connected to the second strip-shaped plate (25).

3. The feeding auxiliary mechanism for the vacuum hot pressing sintering furnace according to claim 2, characterized in that: The first strip-shaped plate (24) and the second strip-shaped plate (25) are symmetrically and parallelly arranged. At the bottom of the fixed seat (1), there are a number of T-shaped guiding blocks (14) arranged along the width direction. The two ends of the T-shaped guiding blocks (14) respectively pass through the first strip-shaped plate (24) and the second strip-shaped plate (25) and are mutually matched.

4. The feeding auxiliary mechanism for the vacuum hot pressing and sintering furnace according to claim 2, characterized in that: In the middle between the first strip-shaped plate (24) and the second strip-shaped plate (25), there is a rotatable gear (31). On the side wall of the first strip-shaped plate (24), there is a first rack (241) located on one side of the gear (31) and meshing with the gear (31). On the side wall of the second strip-shaped plate (25), there is a second rack (251) located on the other side of the gear (31) and meshing with the gear (31).

5. The feeding auxiliary mechanism for the vacuum hot pressing and sintering furnace according to claim 4, wherein: On the opposite sides of the first strip-shaped plate (24) and the second strip-shaped plate (25), corresponding to the two adjacent sides of the gear (31), there are respectively a first arc-shaped groove (242) and a second arc-shaped groove (252) that are matched with the side wall of the gear (31).

6. The feeding auxiliary mechanism for a vacuum hot pressing and sintering furnace according to claim 4 or 5, characterized in that: Below the gear (31), there is a worm wheel (32) arranged coaxially with the gear (31) and rotating synchronously. Adjacent to the worm wheel (32), there is a worm (33) that meshes with the worm wheel (32). One end of the worm (33) is provided with an extension part (331) that extends along the length direction of the fixed seat (1) to the outside of the fixed seat (1).

7. The feeding auxiliary mechanism for the vacuum hot pressing and sintering furnace according to claim 6, characterized in that: The highest points of the worm wheel (32) and the worm (33) are both lower than the lowest points of the first strip-shaped plate (24), the second strip-shaped plate (25), and the gear (31).

8. The feeding auxiliary mechanism for the vacuum hot pressing and sintering furnace according to claim 6, characterized in that: At the bottom of the fixed seat (1), there is a base (4). On the inner bottom surface of the base (4), there are a number of positioning blocks (41) for the extension part (331) to pass through and rotatably connected to the extension part (331). On the end of the extension part (331) located outside the fixed seat (1), there is a detachable and radially arranged long rod (34).

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