Large-diameter polycrystalline PCBN (polycrystalline cubic boron nitride) composite sheet sealing and sintering device

By designing a double-layer sealing structure consisting of an inner chamber, an isolation chamber, and a sintering chamber, the sealing and convenience issues of the sealed sintering device are solved, achieving efficient protection and convenient operation of the PCBN blades.

CN223910018UActive Publication Date: 2026-02-13ZHENGZHOU WODE SUPERHARD MATERIAL CO LTD
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Patent Information

Application Number
CN202520155658.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-23
Publication Date
2026-02-13
Estimated Expiration
2035-01-23

AI Technical Summary

Technical Problem

Existing sealing sintering equipment has poor sealing performance, allowing gas and impurities to easily enter, affecting the purity of PCBN blades. Furthermore, the equipment is prone to damage under high temperature and pressure, resulting in insufficient protection capabilities.

Method used

A sealing sintering device for large-diameter polycrystalline PCBN composite sheets was designed, comprising an inner chamber, an isolation chamber, and a sintering chamber. It adopts a double-layer sealing structure and achieves convenient opening and closing through the cooperation of an embedded through seat, a rotating ring plate, and a cover, thereby enhancing sealing performance and protection capabilities.

Benefits of technology

It improves the sealing performance and ease of use of the sealed sintering device, ensuring that the material is not damaged under high temperature and high pressure, and realizing double protection of the material and quick operation.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223910018U_ABST
Patent Text Reader

Abstract

The utility model relates to a large-diameter polycrystalline PCBN composite sheet sealing sintering device which comprises a box body and a sintering sealing cover, a control cabinet is arranged on one side face of the box body, an opening and closing box cover is arranged at the top of the box body, the opening and closing box cover is movably connected with the box body, a positioning frame plate is arranged at the top of the opening and closing box cover, and the sintering sealing cover is arranged on the inner side of the positioning frame plate. The sintering sealing cover penetrates through the box body and is fixedly connected with the box body, and the sintering sealing cover is of an opening and closing type structure. The valve has the advantages of reasonable structure, convenience in use, good sealing effect and convenience in opening and closing.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to PCBN tool technical field, concretely relates to a kind of large-diameter polycrystal PCBN composite sheet sealed sintering device. BACKGROUND

[0002] PCBN is polycrystalline cubic boron nitride as the hardness only next to natural diamond of synthetic by artificial method, is the most suitable tool material of high-speed cutting iron series metal, the secondary polymerization method of the more common production method of PCBN blade is added binder: that is, first synthesis high-density cubic boron nitride (CBN), then it is raw material and is sintered into polycrystalline cubic boron nitride under high temperature and high pressure, the quality of PCBN blade is influenced by multiple factors, the change of various process parameters in sintering process is the most influential to the quality of PCBN blade, but the sealing effect of existing sealed sintering device is poor, the internal environment when sintering cannot be guaranteed, gas and impurities are extremely easy to enter inside, leading to purity reduction, and existing sealed sintering device is extremely vulnerable to damage in later high temperature and high pressure sintering process, leading to material destruction in sealed sintering device, affect the protection ability of sealed sintering device to material;Therefore, it is extremely necessary to provide a kind of large-diameter polycrystal PCBN composite sheet sealed sintering device with reasonable structure, convenient to use, good sealing effect and convenient opening and closing. SUMMARY

[0003] The utility model aims at overcoming the insufficient of prior art, and provides a kind of large-diameter polycrystal PCBN composite sheet sealed sintering device with reasonable structure, convenient to use, good sealing effect and convenient opening and closing.

[0004] The utility model aims at overcoming the insufficient of prior art, and provides a kind of large-diameter polycrystal PCBN composite sheet sealed sintering device with reasonable structure, convenient to use, good sealing effect and convenient opening and closing.

[0005] The control cabinet includes the control panel being set in the front of control cabinet, the control panel front is provided with a plurality of instrument indicator light, the instrument indicator light below is provided with a plurality of control buttons, and the instrument indicator light left side is installed with a group of display being set in upside and downside;The heat dissipation side plate is set on the outer side of control cabinet, and a plurality of heat dissipation holes are set in array on the heat dissipation side plate.

[0006] The box body comprises side slides arranged on both sides of the upper part of the interior of the box body, and a fixed slide is slidably arranged on each side slide.

[0007] The interior of the box body is provided with an inner box body, a sealing gasket is arranged on the top of the inner box body, the interior of the inner box body is provided with an isolation box body, and the interior of the isolation box body is provided with a sintering box body.

[0008] An inner cover is arranged on the bottom surface of the opening and closing box cover and corresponds to the inner box body, the inner cover is sealingly connected to the inner box body through the sealing gasket, an isolation cover is arranged below the inner cover and corresponds to the isolation box body, the isolation cover is sealingly connected to the isolation box body, and a sintering hollow cover is arranged below the isolation cover and sealingly connected to the sintering box body.

[0009] The opening and closing box cover comprises a cover plate, the cover plate is movably connected to the box body through a set of hinges, lifting rods are arranged on the left and right sides of the inner side of the opening and closing box cover, the free ends of the lifting rods are connected to the corresponding fixed slides, an opening is formed in the middle of the cover plate, the opening is located on the inner side of the positioning frame plate and corresponds to the sintering hollow cover, and the opening is used for sealingly mounting the sintering cover.

[0010] The sintering cover comprises an inner embedded through seat embedded in the opening, the inner embedded through seat is in interference sealing fit connection with the opening, a rotating ring plate is arranged on the upper surface of the inner embedded through seat, a hinge seat is arranged on one side of the rotating ring plate, a connecting plate is movably connected to the hinge seat, a cover body is arranged on the free end of the connecting plate, and the cover body is sealingly connected to the rotating ring plate through the cooperation of the connecting plate and the hinge seat.

[0011] The inner embedded through seat is provided with a butt joint sealing sleeve inside, the upper end of the butt joint sealing sleeve is circular, the lower end of the butt joint sealing sleeve is square, the lower end of the butt joint sealing sleeve penetrates the opening, the sintering hollow cover and the sintering box body are sealingly connected, one side of the outer periphery of the rotating ring plate is provided with a toothed plate, the toothed plate is meshingly connected with a cylindrical gear, the cylindrical gear is connected to a hand wheel arranged above the cylindrical gear through a shaft, and limit pins are arranged on both ends of the toothed plate on the upper surface of the inner embedded through seat.

[0012] A plurality of first clamping grooves are uniformly arranged on the inner side of the rotating ring plate, a first clamping convex is arranged between every two first clamping grooves, a sealing recess is arranged on the bottom of the rotating ring plate, the rotating ring plate is rotatably connected to the top of the sealing recess, and the bottom of the sealing recess is fixedly connected to the upper end of the butt joint sealing sleeve.

[0013] The cover body is provided with a plurality of second clamping protrusions on the outer side circumference, which are uniformly arranged and are matched with the first clamping grooves, and the second clamping grooves are arranged between every two second clamping protrusions and are matched with the first clamping protrusions, and the inner side surface of the cover body is provided with a sealing protrusion which is matched with the sealing recess.

[0014] The utility model discloses a kind of large-diameter polycrystalline PCBN composite piece sealing sintering devices, in use, the utility model is additionally provided with inner box and sintering box, and isolation box insulates between inner box and sintering box, hollow layer is formed between inner box and sintering box, material in this device can be double-protected, effectively improve the protection ability of this device to material;In addition, inner box, isolation box and sintering box are respectively sealed with inner sealing cover, isolation sealing cover and sintering hollow sealing cover, greatly improve the sealing performance of device whole, and hollow layer effect formed by isolation box can be further improved;Sintering sealing cover is matched with sintering box by penetrating opening, sintering hollow sealing cover, the sealing property of this device is improved, when material is placed in sintering box, operator rotates hand wheel, makes cylindrical gear and toothed plate cooperate to push rotary ring plate to rotate, effective sealing closing effect of cover body is realized by corresponding clamping groove, clamping protrusion cooperation, effectively improve the sealing property of this device;To solve the problem that the sealing sintering device of prior art mostly lacks convenient opening and closing mode, leading to that staff cannot operate opening and closing of sealing sintering device quickly and labor-savingly, thereby causing that the use convenience of sealing sintering device is low, the utility model improves two kinds of quick opening and closing mode, one is that opening and closing box cover is realized by the cooperation of hinge and box, and the opening and closing operation of sintering sealing cover whole is realized;Two are realized by the cooperation of cover body, connecting plate and hinge seat, and the separate opening and closing operation of sintering sealing cover is realized;The utility model has convenient opening and closing mode, so that staff can operate opening and closing of sealing sintering device quickly and labor-savingly, thereby improving the use convenience of sealing sintering device;The utility model has the advantages of reasonable structure, convenient to use, good sealing effect, opening and closing convenient. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the top view of the utility model.

[0016] Figure 2 It is the partial structure perspective view of the utility model Figure 1 .

[0017] Figure 3 It is the side view of the utility model Figure 2 .

[0018] Figure 4 It is the structure schematic view of the sintering sealing cover of the utility model.

[0019] Figure 5 It is the utility modelFigure 4 a top view of the sintering sealing cover.

[0020] Figure 6 is the opening state schematic diagram of the sintering sealing cover.

[0021] In the figure: 1, box body 11, side slide 12, fixed slide 13, sealing gasket 14, inner box body 15, isolation box body 16, sintering box body 17, inner sealing cover 18, isolation sealing cover 19, sintering hollow sealing cover 2, control cabinet 21, control panel 22, instrument indicator light 23, control button 24, display 25, heat dissipation side plate 26, heat dissipation hole 3, whole / opening and closing box cover 31, cover plate 32, hinge 33, opening 34, lifting rod 4, positioning frame plate 5, sintering sealing cover 51, embedded through seat 52, rotating ring plate 201, first clamping groove 202, first clamping convex 203, sealing recess 53, cover body 301, second clamping convex 302, second clamping groove 303, sealing flange 54, hinge seat 55, connecting plate 56, butt joint sealing sleeve 57, tooth plate 58, limiting pin 59, hand wheel 501, shaft rod 502, cylindrical gear. DETAILED DESCRIPTION

[0022] The utility model makes further explanation in combination with the drawings. EMBODIMENT

[0023] As Figures 1-6 shown, a large-diameter polycrystalline PCBN composite piece sealing sintering device, it includes box body 1 and sintering sealing cover 5, one side of the box body 1 is provided with control cabinet 2, the top of the box body 1 is provided with opening and closing box cover 3, the opening and closing box cover 3 is movably connected with the box body 1, the top of the opening and closing box cover 3 is provided with positioning frame plate 4, the inner side of the positioning frame plate 4 is provided with sintering sealing cover 5, the sintering sealing cover 5 penetrates the box body 1 and is fixedly connected with the box body 1, and the sintering sealing cover 5 is of open-close type structure.

[0024] The control cabinet 2 includes the control panel 21 that is provided at the front of the control cabinet 2, a plurality of instrument indicator lights 22 are provided above the front of the control panel 21, a plurality of control buttons 23 are provided below the instrument indicator light 22, and a group of displays 24 are installed on the left side of the instrument indicator light 22 and are arranged in an up-down mode;The heat dissipation side plate 25 is provided on the outer side of the control cabinet 2, and a plurality of heat dissipation holes 26 are formed in the heat dissipation side plate 25 in an array.

[0025] The utility model discloses a kind of large-diameter polycrystal PCBN composite sheet sealed sintering devices, in use, the utility model is additionally provided with inner box 14 and sintering box 16, and isolation box 15 is isolated between inner box 14 and sintering box 16, so that hollow layer is formed between inner box 14 and sintering box 16, material in this device can be protected by double layer, effectively improve the protection ability of this device to material;In addition, inner box 14, isolation box 15 and sintering box 16 are respectively sealed with inner cover 17, isolation cover 18 and sintering hollow cover 18, which greatly improves the sealing performance of the device as a whole, and can further improve the effect of hollow layer formed by isolation box 15;Sintering sealing cover 5 is matched with sintering box 16 through penetrating opening 33 and sintering hollow cover 19, so that the sealing property of this device is improved, when material is placed in sintering box 16, the operator rotates hand wheel 59, so that cylindrical gear 502 is matched with gear plate 57 to push rotating ring plate 52 to rotate, effective sealing closing effect of cover body 53 is realized through corresponding clamping groove and clamping convex, which effectively improves the sealing property of this device;To solve the problem that most of the existing sealed sintering devices lack convenient opening and closing mode, which leads to that the operator cannot operate the sealed sintering device quickly and labor-saving, thereby causing that the use convenience of the sealed sintering device is low, the utility model improves two kinds of quick opening and closing modes, one is that opening and closing box cover 3 is matched with box 1 through hinge 32, to realize the opening and closing operation of opening and closing box cover 3 and sintering sealing cover 5 as a whole;The other is that sintering sealing cover 5 is separately opened and closed through the cooperation of cover body 53, connecting plate 55 and hinge seat 54;The utility model has convenient opening and closing mode, so that the operator can operate the sealed sintering device quickly and labor-saving, thereby improving the use convenience of the sealed sintering device;The utility model has the advantages of reasonable structure, convenient use, good sealing effect and convenient opening and closing. Embodiment

[0026] As Figures 1-6 shown, a kind of large-diameter polycrystal PCBN composite sheet sealed sintering device, it includes box 1 and sintering sealing cover 5, the box 1 one side is provided with control cabinet 2, the box 1 top is provided with opening and closing box cover 3, the opening and closing box cover 3 is movably connected with box 1, the opening and closing box cover 3 top is provided with positioning frame plate 4, the positioning frame plate 4 inner side is provided with sintering sealing cover 5, the sintering sealing cover 5 is fixedly connected with box 1 by penetrating box 1, and the sintering sealing cover 5 is open-close structure.

[0027] The box 1 includes the side slide 11 of being set in the upper two side faces of the inside of box 1, the fixed slide 12 of being slidably installed on the side slide 11, the box 1 is connected with opening and closing box cover 3 by fixed slide 12, realizes the opening and closing action of opening and closing box cover 3.

[0028] The inner box 14 is provided with a sealing gasket 13 on the top, and an isolation box 15 is arranged in the inner box 14.

[0029] The inner box 14 is provided with a sealing gasket 13 on the top, and an isolation box 15 is arranged in the inner box 14.

[0030] The opening and closing box cover 3 comprises a cover plate 31, which is movably connected with the box 1 through a set of hinges 32, and lifting rods 34 are arranged on the left and right sides of the inner side of the opening and closing box cover 3, and the free ends of the lifting rods 34 are connected with the corresponding fixed sliding seat 12.

[0031] In this embodiment, the working principle of the opening and closing box cover is that the opening and closing box cover is opened and closed through the cooperation of the hinges and the box, and the fixed sliding seat is pulled to slide on the side sliding rail through the lifting rods (in actual use, other rods capable of stretching and contracting such as telescopic rods, hydraulic rods, or other rods without stretching and contracting function such as metal rods can be used) on both sides of the opening and closing box cover, so as to realize the opening and closing operation of the opening and closing box cover.

[0032] The sintering sealing cover 5 comprises an inner embedded socket 51 embedded in the opening 33, and the inner embedded socket 51 is connected in interference sealing fit with the opening 33, and a rotating ring plate 52 is arranged on the upper surface of the inner embedded socket 51.

[0033] The inner embedded socket 51 is provided with a butt joint sealing sleeve 56, the upper end of the butt joint sealing sleeve 56 is circular, the lower end is square, and the lower end of the butt joint sealing sleeve 56 penetrates the opening 33, the sintering hollow cover 19 and the sintering box 16 in sealing fit; a tooth plate 57 is arranged on one side of the outer periphery of the rotating ring plate 52, the tooth plate 57 is engaged with a cylindrical gear 502, the cylindrical gear 502 is connected with a hand wheel 59 located above the cylindrical gear 502 through a shaft 501; limit pins 58 are arranged on the upper surface of the inner embedded socket 51 corresponding to the two ends of the tooth plate 57.

[0034] The rotating ring plate 52 is uniformly provided with a plurality of first clamping grooves 201 on the inner side circumference, and the first clamping grooves 201 are uniformly provided with first clamping protrusions 202 between each other. The rotating ring plate 52 is provided with a sealing recess 203 at the bottom, and the rotating ring plate 52 is rotationally connected with the top of the sealing recess 203. The bottom of the sealing recess 203 is fixedly connected with the upper end of the butt joint sealing sleeve 56.

[0035] The outer side circumference of the cover body 53 is uniformly provided with a plurality of second clamping protrusions 301 which are clamped and matched with the first clamping grooves 201. The second clamping protrusions 301 are uniformly provided with second clamping grooves 302 which are clamped and matched with the first clamping protrusions 202 between each other. The inner side surface of the cover body 53 is provided with a sealing flange 303 which is sealingly matched with the sealing recess 203.

[0036] In the embodiment, the working principle of the sintering sealing cover is as follows: rotating the hand wheel, the hand wheel drives the cylindrical gear to rotate through the shaft rod. Since the cylindrical gear is meshed with the toothed plate, the cylindrical gear can drive the rotating ring plate to rotate through the toothed plate, so that the rotating ring plate is rotated to the position where the first clamping grooves correspond to the second clamping protrusions, and the first clamping protrusions correspond to the second clamping grooves. That is, the cover body can be opened under the cooperation of the connecting plate and the hinge seat. When it is needed to close the cover body, the cover body is closed under the cooperation of the connecting plate and the hinge seat, so that the cover body falls into the inside of the rotating ring plate. At this time, the second clamping protrusions of the cover body are located in the first clamping grooves, and the second clamping grooves are located at the first clamping protrusions. Then, the hand wheel is rotated, and the rotating ring plate is driven to rotate through the linkage cooperation of the cylindrical gear and the toothed plate, so that the rotating ring plate effectively locks the cover body, thereby maintaining the sealing environment of the box body and the sintering box body. The limiting pins arranged on both sides of the toothed plate limit the rotating range of the toothed plate which drives the rotating ring plate to rotate, so that the cover body of the sintering sealing cover can be effectively locked, the sealing degree is ensured, and the cover body can be quickly opened and closed.

[0037] The utility model discloses a kind of large-diameter polycrystal PCBN composite sheet sealing sintering devices, in use, the utility model is additionally provided with inner box 14 and sintering box 16, and isolation box 15 is isolated between inner box 14 and sintering box 16, so that hollow layer is formed between inner box 14 and sintering box 16, so that material in this device can be double-layer protected, effectively improve the protection ability of this device to material;In addition, inner box 14, isolation box 15 and sintering box 16 are respectively sealed with inner cover 17, isolation cover 18 and sintering hollow cover 18, greatly improve the sealing performance of device whole, and hollow layer formed by isolation box 15 can be further improved effect;Sintering sealing cover 5 is matched with sintering box 16 by penetrating opening 33, sintering hollow cover 19, so that the sealing property of this device is improved, when material is placed in sintering box 16, operator rotates hand wheel 59, so that cylindrical gear 502 is matched with toothed plate 57 to push rotary ring plate 52 to rotate, effective sealing closing effect of cover body 53 is realized by corresponding clamping groove, clamping convex matching, effectively improve the sealing property of this device;To solve the problem that the sealing sintering device of existing most lack convenient opening and closing mode, leading to that staff cannot carry out quick and labor-saving opening and closing operation to sealing sintering device, thereby causing that the use convenience of sealing sintering device is lower, the utility model improves two kinds of quick opening and closing mode, one is by the cooperation of hinge 32 of opening and closing box cover 3 and box 1, realize the opening and closing operation of opening and closing box cover 3 and sintering sealing cover 5 whole;Two are by the cooperation of cover body 53, connecting plate 55 and hinged base 54, realize the separate opening and closing operation of sintering sealing cover 5;The utility model has convenient opening and closing mode, so that staff can carry out quick and labor-saving opening and closing operation to sealing sintering device, thereby improving the use convenience of sealing sintering device;The utility model has the advantages of reasonable structure, convenient to use, good sealing effect, opening and closing convenient.

Claims

1. A large-diameter polycrystalline PCBN compact sealing sintering device comprising a box body and a sintering sealing cover, characterized in that: The box is provided with a control cabinet on one side, and an openable box cover is arranged on the top of the box and movably connected with the box.

2. The apparatus for sealing and sintering a large-diameter polycrystalline PCBN compact according to claim 1, wherein: The control cabinet comprises a control panel arranged on the front of the control cabinet, a plurality of instrument indicator lamps arranged above the front of the control panel, a plurality of control buttons arranged below the instrument indicator lamps, and a group of displays arranged in an up-down manner on the left side of the instrument indicator lamps.

3. The apparatus for sealing and sintering a large-diameter polycrystalline PCBN compact according to claim 1, wherein: The box comprises side slides arranged on the two sides of the top of the box, and a fixed sliding seat is slidably arranged on each side slide.

4. The apparatus for sealing and sintering a large-diameter polycrystalline PCBN compact according to claim 3, wherein: The box is provided with an inner box, a sealing gasket is arranged on the top of the inner box, an isolation box is arranged in the inner box, and a sintering box is arranged in the isolation box.

5. The apparatus for sealing and sintering a large-diameter polycrystalline PCBN compact according to claim 4, wherein: An inner cover is arranged on the bottom surface of the openable box cover and corresponds to the inner box, the inner cover is sealingly connected with the inner box through the sealing gasket, an isolation cover is arranged below the inner cover and corresponds to the isolation box, the isolation cover is sealingly connected with the isolation box, and a sintering hollow cover is arranged below the isolation cover and sealingly connected with the sintering box.

6. The apparatus for sealing and sintering a large-diameter polycrystalline PCBN compact according to claim 5, wherein: The openable box cover comprises a cover plate movably connected with the box through a group of hinges, lifting rods are arranged on the left and right sides of the inner side of the openable box cover, and the free ends of the lifting rods are connected with the corresponding fixed sliding seats.

7. The apparatus for sealing and sintering a large-diameter polycrystalline PCBN compact according to claim 6, wherein: The sintering sealing cover comprises an inner embedded socket embedded in the opening, the inner embedded socket is in interference sealing fit connection with the opening, a rotating ring plate is arranged on the upper surface of the inner embedded socket, a hinge seat is arranged on one side of the rotating ring plate, a connecting plate is movably connected with the hinge seat, a cover body is arranged at the free end of the connecting plate, and the cover body is sealingly connected with the rotating ring plate through the connecting plate and the hinge seat.

8. The apparatus for sealing and sintering a large-diameter polycrystalline PCBN compact according to claim 7, wherein: The inner embedded socket is provided with a butt joint sealing sleeve inside, the butt joint sealing sleeve is circular at the upper end and square at the lower end, the lower end of the butt joint sealing sleeve penetrates the opening, the sintering hollow cover and the sintering box are sealingly connected, a gear plate is arranged on one side of the outer periphery of the rotating ring plate, a cylindrical gear is meshingly connected with the gear plate, the cylindrical gear is connected with a hand wheel arranged above the cylindrical gear through a shaft, and limit pins are arranged at both ends of the gear plate corresponding to the gear plate on the upper surface of the inner embedded socket.

9. The apparatus for sealing and sintering a large-diameter polycrystalline PCBN compact of claim 7, wherein: A plurality of first clamping grooves are uniformly arranged on the inner side of the rotating ring plate, a first clamping convex is arranged between every two first clamping grooves, a sealing recess is arranged at the bottom of the rotating ring plate, the rotating ring plate is rotatably connected with the top of the sealing recess, and the bottom of the sealing recess is fixedly connected with the upper end of the butt joint sealing sleeve.

10. The apparatus for sealing and sintering a large-diameter polycrystalline PCBN compact of claim 9, wherein: The cover body is provided with a plurality of second clamping protrusions on the outer circumference, which are in clamping cooperation with the first clamping slots. The inner side of the cover body is provided with a sealing protrusion, which is in sealing cooperation with the sealing recess.