Pneumatic grinding device for metal sintering diamond cutter

By integrating a pneumatic grinding device into the machine tool worktable, and using a pneumatic motor and an actively rotating grinding wheel for point-contact grinding, the problem of incomplete tool grinding caused by uneven pressure distribution, positioning errors, and vibration transmission of traditional oilstones for metal sintered diamond tools is solved, achieving efficient and stable grinding results.

CN121179280APending Publication Date: 2025-12-23浙江盾源聚芯半导体科技有限公司
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Patent Information

Application Number
CN202511336130.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-09-18
Publication Date
2025-12-23

AI Technical Summary

Technical Problem

Traditional grinding techniques suffer from uneven pressure distribution, accumulated positioning errors, and unstable grinding quality, making it difficult to guarantee the cutting accuracy of sintered diamond tools.

Method used

Design a pneumatic grinding device integrated into the machine tool worktable. It uses a pneumatic motor and an actively rotating grinding wheel for point contact grinding. Combined with a buffer system consisting of a rubber ring and a suction cup, it can achieve grinding without disassembling the tool, avoid positioning errors, and remove debris and vibrations during the machining process.

Benefits of technology

It enables grinding and machining to be completed under the same clamping condition, shortens downtime, ensures uniform pressure distribution, avoids R-angle expansion, adapts to cutting fluid and oil mist environments, supports multiple grinding methods, and ensures grinding quality and stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of coping, in particular to a pneumatic coping device for a metal sintering diamond cutter, which comprises a worktable and T-shaped grooves uniformly formed in the top of the worktable, the worktable is sleeved with a fixing assembly through the T-shaped grooves, and a mounting plate for bearing is fixedly mounted at the top of the fixing assembly. Adjusting assemblies used for adjusting the coping angle are arranged on the top of the mounting plate in an array mode, and a coping assembly used for coping is arranged on one side of each adjusting assembly. The device has the beneficial effects that the device is directly integrated on a machine tool workbench, a cutter does not need to be disassembled during grinding, and the device can adapt to cutting fluid and oil mist environments by utilizing the explosion-proof, liquid-resistant and dust-resistant characteristics of the pneumatic motor; a tool is clamped through a machine tool spindle; the cutter to be repaired is kept clamped on a machine tool spindle, a grinding program is directly started, and positioning error accumulation caused by disassembly and assembly is avoided; grinding and machining are completed in the same clamping state, and the downtime is shortened.
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Description

Technical Field

[0001] This invention relates to the field of grinding technology, specifically to a pneumatic grinding device for sintered diamond tools. Background Technology

[0002] Metal-sintered diamond tools are widely used in the machining of brittle and hard materials such as semiconductor silicon components and ceramics due to their ultra-high hardness and wear resistance. However, during service, these tools face failure modes such as edge dulling, geometric accuracy deterioration, and microcrack propagation, requiring regular regrinding to restore performance. Current regrinding technologies include two methods: fixed-machine oilstone regrinding and dedicated tool dressing machine regrinding. However, both methods have the following problems: Traditional oilstone regrinding, due to its surface contact characteristics, leads to uneven pressure distribution, resulting in an R-angle on the cutting edge (typically R0.1-0.3mm); wear of traditional oilstones leads to uneven regrinding force, making it difficult to guarantee the overall regrinding quality of the tool and seriously affecting the cutting accuracy; dedicated tool dressing machine regrinding requires disassembling and sending the tool for repair, and the disassembly and repair process accounts for 70% of the total downtime. Furthermore, the repeated clamping of the tool in dedicated tool dressing machine regrinding causes cumulative positioning errors (>0.02mm).

[0003] Therefore, we have made improvements to this and proposed a pneumatic grinding device for metal sintered diamond tools. Summary of the Invention

[0004] The purpose of this invention is to provide a pneumatic grinding device for sintered diamond tools to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: The device includes a worktable and T-slots evenly spaced on the top of the worktable. A fixing component is fitted onto the worktable through the T-slots, and a mounting plate for support is fixedly installed on the top of the fixing component. An adjustment component for adjusting the grinding angle is arrayed on the top of the mounting plate, and a grinding component for grinding is provided on one side of the adjustment component.

[0006] As a preferred technical solution of this application, the grinding component includes a connecting plate arranged in a triangular array above the mounting plate. One side of the connecting plate is connected to the adjustment component. A support ring plate is fixedly installed in the middle of the outer side of the connecting plate, and the outer side of the support ring plate is pre-arranged with notches.

[0007] As a preferred technical solution of this application, a grinding wheel is provided on the side of the connecting plate away from the adjustment component, and a connecting block is arrayed on the side of the grinding wheel close to the connecting plate. The connecting block is arc-shaped, and a slot is symmetrically opened on the outer side of the connecting block. The connecting block is engaged with the support ring plate through the slot opened on its outer side and the pre-set notch on the outer side of the support ring plate. A limiting groove extending inward is opened in the middle of the connecting block.

[0008] As a preferred technical solution of this application, the outer side of the connecting plate has symmetrically arranged socket grooves about the support ring plate. The connecting plate is fitted with a rotating plate through the socket groove. The rotating plate is arc-shaped. A bending groove and a storage groove are sequentially opened below the socket groove. The bending groove and the storage groove are connected. The other end of the bending groove extends through the side wall of the connecting plate to its outer side. A return spring is fixedly installed on the inner side of the rotating plate. The other end of the return spring passes through the storage groove and is fixedly connected to the inner side of the connecting plate.

[0009] As a preferred technical solution of this application, the inner side of the connecting block is provided with an inwardly extending connecting groove, the connecting block is engaged with the rotating plate through the connecting groove, a rubber ring is fixedly installed on the outer side of the support ring plate, and telescopic rods are arranged at intervals at both ends of the support ring plate. The two ends of the telescopic rods are fixedly connected to the inner side of the rubber ring and the outer side of the connecting plate, respectively. The connecting block is sleeved with the telescopic rod through a limiting groove. A grinding unit for grinding is preset on the outer side of the rubber ring. The grinding unit is an arc-shaped hard grinding wheel, and the arc-shaped hard grinding wheel array is pasted on the outer side of the rubber ring.

[0010] As a preferred technical solution of this application, the adjustment component includes a pneumatic motor fixedly connected to one side of the connecting plate. A placement plate is fixedly installed at the bottom of the pneumatic motor. Fixing blocks are symmetrically arranged below the placement plate on the side near the connecting plate. The top of the fixing blocks is fixedly connected to the mounting plate. The fixing blocks are not connected to the placement plate, but are only located below it. A cylinder is fixedly installed on the side of the fixing block away from the connecting plate. A square shaft is fixedly installed at the other end of the two sets of cylinders.

[0011] As a preferred technical solution of this application, vertical shafts are fixedly installed at both ends of the square shaft, a connecting shaft is provided above the square shaft, the end of the placement plate away from the fixing block is rotatably sleeved with the connecting shaft, the two ends of the connecting shaft are fixedly connected to the inner sides of the two sets of vertical shafts, and an installation box is fixedly installed at the bottom of the two sets of vertical shafts away from the fixing block.

[0012] As a preferred technical solution of this application, a servo motor is installed inside the mounting box, and a synchronous belt is engaged at the output end of the servo motor. A central groove is opened inside the vertical shaft, which passes through both sides of the vertical shaft and communicates with the outside. A lead screw is sleeved on the vertical shaft through the central groove. Both ends of the lead screw are smooth rods. The vertical shaft is sleeved with the smooth rod portions at both ends of the lead screw. The bottom of the outer side of the lead screw is engaged with the synchronous belt. A sliding tube is threaded on the outer side of the lead screw. A round shaft extends symmetrically from the outer side of the sliding tube. The vertical shaft is sleeved with the round shaft through the central groove.

[0013] As a preferred technical solution of this application, a first steering shaft is fixedly installed on the top of the inner side of both sets of vertical shafts. A first pull rope in a bent shape is sleeved through the inside of the first steering shaft. The two ends of the first pull rope are fixedly connected to the outer side of the sliding tube and the top of the placement plate, respectively. A second steering shaft is fixedly installed on the bottom of the outer side of both sets of vertical shafts. A second pull rope in a bent shape is sleeved through the middle of the second steering shaft. One end of the second pull rope is fixedly connected to the outer side of the sliding tube. An extension shaft is fixedly installed on the other end of the second pull rope, and the top of the extension shaft is fixedly connected to the bottom of the placement plate.

[0014] As a preferred technical solution of this application, the fixing component is symmetrically installed on the T-shaped block at the bottom of the mounting plate. A suction cup is sleeved on the inner side of the T-shaped block. The suction cup is a pneumatic negative pressure suction cup. An air pipe is connected to the top of the suction cup, and the air pipe is located on the inner side of the mounting plate. Airbags are symmetrically sleeved on the inner side of the mounting plate about the air pipe. The bottom of the airbag extends through the bottom of the mounting plate to its outer side. An air groove is preset on the side wall of the airbag. The air groove and the air pipe are both connected to the air pump pipe preset in the inner cavity of the mounting plate. The T-shaped block is engaged with the worktable in conjunction with the T-shaped groove.

[0015] Compared with the prior art, the beneficial effects of the present invention are: 1. By directly integrating the device onto the machine tool worktable, there is no need to disassemble the tool during regrinding. Utilizing the explosion-proof, liquid-resistant, and dust-resistant properties of the pneumatic motor, it can adapt to cutting fluid and oil mist environments. The tool is clamped on the machine tool spindle. The tool to be regrinded remains clamped on the machine tool spindle, and the regrinding program is started directly, avoiding the accumulation of positioning errors caused by disassembly and assembly. Regrinding and machining are completed in the same clamping state, shortening downtime.

[0016] 2. The active rotating grinding wheel forms point contact grinding, replacing the surface contact of the traditional oilstone. This makes the pressure distribution more uniform. Furthermore, the point contact combined with the tool's rotation allows the grinding force to be applied precisely to the cutting edge, avoiding the widening of the radius angle caused by local wear of the traditional oilstone. The tool's rotation drives the entire cutting edge to participate in grinding, solving the problem of incomplete tool bottom grinding caused by shape wear of the oilstone.

[0017] 3. The regrinding assembly supports both grinding wheels and rubber ring grinding wheels, which can be flexibly switched according to the tool wear condition to achieve comprehensive regrinding of the cutting edge and sidewalls without dead angles, especially suitable for diamond tools with curved or complex geometries; through the centrifugal action of the rotating plate and return spring, an automatic chip removal function is achieved during the regrinding process, effectively removing debris, coolant and oil mist adhering to the surface of the regrinding assembly, maintaining consistent regrinding results; the buffer system composed of airbags and suction cups can absorb the vibration during the operation of the machining center, ensuring the stability of the regrinding process. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is an exploded view of the structure of the present invention; Figure 3 This is a schematic diagram of the connection structure between the adjustment component and the grinding component of the present invention; Figure 4 This is a side view of the connection structure between the adjustment component and the grinding component of the present invention; Figure 5 This is a bottom view of the connection structure of the placement plate of the present invention; Figure 6 This is a schematic diagram of the connection structure between the placement plate and the vertical shaft of the present invention; Figure 7 For the present invention Figure 6 Enlarged structural diagram at point A; Figure 8 This is a schematic diagram of the structure of the grinding component of the present invention; Figure 9 This is an exploded view of the structure of the grinding assembly of the present invention; Figure 10 This is a cross-sectional view of the connecting mechanism of the connecting disc of the present invention; Figure 11 For the present invention Figure 10 Enlarged view of the structure at point B; Figure 12 This is a cross-sectional view of the connection structure of the fixing component of the present invention.

[0019] The attached diagram lists the components represented by each number as follows: 1. Workbench; 2. T-slot; 3. Mounting plate; 4. Fixing components; 401. T-block; 402. Suction cup; 403. Air tube; 404. Airbag; 5. Adjustment assembly; 501. Pneumatic motor; 502. Placement plate; 503. Fixing block; 504. Cylinder; 505. Square shaft; 506. Vertical shaft; 507. Mounting box; 508. Servo motor; 509. Synchronous belt; 510. Lead screw; 511. Center groove; 512. Sliding tube; 513. First pull rope; 514. Second pull rope; 515. First steering shaft; 516. Second steering shaft; 517. Connecting shaft; 518. Extension shaft; 6. Grinding components; 601. Connecting disc; 602. Telescopic rod; 603. Rubber ring; 604. Support ring plate; 605. Grinding wheel; 606. Connecting block; 607. Limiting groove; 608. Slot; 609. Rotating plate; 610. Return spring; 611. Bending groove; 612. Sleeve groove; 613. Storage groove; 614. Connecting groove. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] This invention provides a technical solution: such as Figure 1 - Figure 12 The pneumatic grinding device for metal sintered diamond tools shown includes a worktable 1 and T-slots 2 evenly opened on the top of the worktable 1. The worktable 1 is fitted with a fixing component 4 through the T-slots 2, and a mounting plate 3 for bearing is fixedly installed on the top of the fixing component 4. An adjustment component 5 for adjusting the grinding angle is arranged in an array on the top of the mounting plate 3, and a grinding component 6 for grinding is arranged on one side of the adjustment component 5. like Figure 8 , Figure 9 , Figure 10 , Figure 11 As shown, the grinding assembly 6 includes a connecting plate 601 arranged in a triangular array above the mounting plate 3. One side of the connecting plate 601 is connected to the adjustment assembly 5. A support ring plate 604 is fixedly installed in the middle of the outer side of the connecting plate 601, and the outer side of the support ring plate 604 is pre-arranged with notches.

[0022] Furthermore, a grinding wheel 605 is provided on the side of the connecting plate 601 away from the adjusting component 5. Connecting blocks 606 are arrayed on the side of the grinding wheel 605 close to the connecting plate 601. The connecting blocks 606 are arc-shaped, and slots 608 are symmetrically opened on the outer side of the connecting blocks 606. The connecting blocks 606 engage with the support ring plate 604 through the slots 608 on their outer side and the pre-set notch on the outer side of the support ring plate 604. A limiting groove 607 extending inward is opened in the middle of the connecting blocks 606.

[0023] Furthermore, the outer side of the connecting plate 601 has symmetrically arranged socket grooves 612 about the support ring plate 604. The connecting plate 601 is fitted with a rotating plate 609 through the socket grooves 612. The rotating plate 609 is arc-shaped, and its arc is adapted to the connecting block 606. Bend grooves 611 and storage grooves 613 are opened in sequence below the socket grooves 612. The bend grooves 611 and storage grooves 613 are connected. The other end of the bend groove 611 extends through the side wall of the connecting plate 601 to its outer side. A return spring 610 is fixedly installed on the inner side of the rotating plate 609. The other end of the return spring 610 passes through the storage groove 613 and is fixedly connected to the inner side of the connecting plate 601. The reset spring 610 facilitates the reset of the rotating plate 609. Furthermore, by interacting with the centrifugal force generated when the connecting plate 601 rotates, the rotating plate 609 can intermittently impact the connecting plate 601 by intermittently starting the connecting plate 601. The vibration generated by the impact removes debris, coolant, and oil mist adhering to the outer surface of the grinding assembly 6.

[0024] Furthermore, the inner side of the connecting block 606 is provided with an inwardly extending connecting groove 614. The connecting block 606 is engaged with the rotating plate 609 through the connecting groove 614. A rubber ring 603 is fixedly installed on the outer side of the support ring plate 604. Telescopic rods 602 are arranged at intervals at both ends of the support ring plate 604. The two ends of the telescopic rods 602 are fixedly connected to the inner side of the rubber ring 603 and the outer side of the connecting plate 601, respectively. The connecting block 606 is sleeved with the telescopic rod 602 through the limiting groove 607. A grinding unit for grinding is preset on the outer side of the rubber ring 603. By fixing a support ring plate 604 with a notch to the middle of the outer side of the connecting plate 601, and mounting connecting blocks 606 with slots 608 on one side of the grinding wheel 605, the grinding wheel 605 is clamped to one side of the support ring plate 604 through the connecting blocks 606. When the connecting plate 601 rotates under the drive of the adjusting component 5, the connecting plate 601 drives the connecting blocks 606 and the grinding wheel 605 to rotate through the support ring plate 604 mounted on its outer side. The diamond tool can then be ground by the grinding wheel 605. When the connecting plate 601 rotates at high speed, the rotating plate 609, which is rotated through the sleeve groove 612 on its outer side, will rotate under the action of centrifugal force and stretch the return spring 610. At the same time, the rotating plate 609, which is subjected to centrifugal force, will engage with the connecting groove 614 opened on the inner side of the connecting block 606 after rotation. Thus, when rotating, the grinding wheel 605 is reinforced by engaging with the connecting block 606. During use, depending on the actual situation, the grinding wheel 605 can be removed. By activating the telescopic rod 602, it can work with the support ring plate 604 to push the rubber ring 603 to deform on both sides, thereby making it fit against the side wall of the arc-shaped diamond tool to achieve full grinding and avoid dead corners during grinding.

[0025] like Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7As shown, the adjustment assembly 5 includes a pneumatic motor 501 fixedly connected to one side of the connecting plate 601. A placement plate 502 is fixedly installed at the bottom of the pneumatic motor 501. Fixing blocks 503 are symmetrically arranged below the placement plate 502 on the side near the connecting plate 601. The top of the fixing blocks 503 is fixedly connected to the mounting plate 3. The fixing blocks 503 are not connected to the placement plate 502, but are only located below it. A cylinder 504 is fixedly installed on the side of the fixing blocks 503 away from the connecting plate 601. A square shaft 505 is fixedly installed at the other end of the two sets of cylinders 504.

[0026] Furthermore, vertical shafts 506 are fixedly installed at both ends of the square shaft 505, and a connecting shaft 517 is provided above the square shaft 505. The end of the placement plate 502 away from the fixing block 503 is rotatably sleeved with the connecting shaft 517. Both ends of the connecting shaft 517 are fixedly connected to the inner side of the two sets of vertical shafts 506. An installation box 507 is fixedly installed at the bottom of the two sets of vertical shafts 506 away from the fixing block 503.

[0027] Furthermore, a servo motor 508 is housed inside the mounting box 507, and a synchronous belt 509 is engaged at the output end of the servo motor 508. A central groove 511 is opened inside the vertical shaft 506, which passes through both sides of the vertical shaft 506 and communicates with the outside. A lead screw 510 is sleeved on the vertical shaft 506 through the central groove 511. Both ends of the lead screw 510 are smooth rods. The vertical shaft 506 is sleeved with the smooth rods at both ends of the lead screw 510. The bottom of the outer side of the lead screw 510 is engaged with the synchronous belt 509. A sliding tube 512 is threaded on the outer side of the lead screw 510. A round shaft extends symmetrically from the outer side of the sliding tube 512. The vertical shaft 506 is sleeved with the round shaft extending from the outer side of the sliding tube 512 through the central groove 511.

[0028] Furthermore, a first steering shaft 515 is fixedly installed on the top of the inner side of both sets of vertical shafts 506. A first pull rope 513 in a bent shape is sleeved through the inside of the first steering shaft 515. The two ends of the first pull rope 513 are fixedly connected to the outer side of the sliding tube 512 and the top of the placement plate 502, respectively. A second steering shaft 516 is fixedly installed on the bottom of the outer side of both sets of vertical shafts 506. A second pull rope 514 in a bent shape is sleeved through the middle of the second steering shaft 516. One end of the second pull rope 514 is fixedly connected to the outer side of the sliding tube 512. An extension shaft 518 is fixedly installed on the other end of the second pull rope 514, and the top of the extension shaft 518 is fixedly connected to the bottom of the placement plate 502. The servo motor 508, in conjunction with the synchronous belt 509 mounted on its output end, drives the lead screw 510, which in turn rotates. This, in turn, in conjunction with the vertical shaft 506 and the central groove 511 inside it, causes the sliding tube 512, which is threaded on the outer side of the lead screw 510, to slide downwards. This, in turn, in conjunction with the first steering shaft 515, pulls the first pull rope 513 downwards, thereby synchronously pulling the placement plate 502 to rotate around the connecting shaft 517. When the placement plate 502 rotates, the extension shaft 518 mounted at its bottom pulls the second pull rope 514 to move, which in turn drives the second steering shaft 516 to rotate downwards, acting on the other side of the sliding tube 512. This forms a closed loop with the first pull rope 513, facilitating the movement of the placement plate 502. Maintaining stability during rotation, the rotating placement plate 502 tilts the adjustment component 5 mounted on its top, thereby changing the grinding angle of the adjustment component 5 to adapt to diamond tools with different bevels. At this time, the high-speed rotating grinding wheel 605, in conjunction with the rotating tool, facilitates comprehensive grinding operations. This operation utilizes the actively rotating grinding wheel 605 to form point-contact grinding, replacing the surface contact of the traditional oilstone, resulting in a more uniform pressure distribution. Furthermore, the point contact combined with the tool's rotation ensures that the grinding force is precisely applied to the cutting edge, avoiding the expansion of the R-angle caused by localized wear of the traditional oilstone. The tool's rotation drives the entire cutting edge to participate in grinding, solving the problem of incomplete grinding of the tool bottom caused by shape wear of the oilstone.

[0029] like Figure 12 As shown, the fixing component 4 is symmetrically installed on the T-shaped block 401 at the bottom of the mounting plate 3. The inner side of the T-shaped block 401 is fitted with a suction cup 402, which is a pneumatic negative pressure suction cup 402. The top of the suction cup 402 is connected to an air pipe 403, and the air pipe 403 is located inside the mounting plate 3. The inner side of the mounting plate 3 is symmetrically fitted with an airbag 404 about the left and right sides of the air pipe 403. The bottom of the airbag 404 extends through the bottom of the mounting plate 3 to its outer side. The side wall of the airbag 404 is pre-set with an air groove. The air groove and the air pipe 403 are both connected to the air pump pipe pre-set in the inner cavity of the mounting plate 3. The T-shaped block 401 is engaged with the worktable 1 in conjunction with the T-shaped groove 2. The pre-installed air pump facilitates the suction cup 402 to adsorb onto the worktable 1 during installation, thereby achieving adsorption installation. The air pump inflates the airbag 404, causing it to expand and contact the outer side of the mounting plate 3, thus forming a buffer between the mounting plate 3 and the worktable 1. This buffers the device during machining center operation, preventing vibrations from affecting its operation. It also provides buffering during grinding and repair of the device.

[0030] Working principle: The T-shaped blocks 401, which are symmetrically arranged at the bottom, are quickly aligned and engaged with the T-shaped grooves 2 on the worktable 1. Then, the preset air pump is started, and the air pump generates negative pressure, which makes the suction cup 402 firmly adhere to the top of the worktable 1. At the same time, the air pump inflates the airbags 404 symmetrically distributed at the bottom of the mounting plate 3. After the airbags 404 expand, they come into contact with the worktable 1 to form an effective buffer layer, which can absorb the vibration generated during the operation of the machining center and prevent the vibration from being transmitted to the grinding body. Grinding: The connecting disc 601 is engaged with the slots 608 on the connecting blocks 606 arranged in an arc on one side of the grinding wheel 605 through the support ring plate 604 with notches on its outer side, thereby reliably transmitting power to the grinding wheel 605; this engagement method can prevent the grinding wheel 605 from falling off due to high-speed rotation during grinding. Reinforcement: When the connecting plate 601 rotates, the rotating plate 609 in its sleeve groove 612 rotates outward under the action of centrifugal force, stretches the return spring 610, and finally engages with the connecting groove 614 at the bottom of the connecting block 606, thereby providing auxiliary reinforcement to the grinding wheel 605. Cleaning: When the pneumatic motor 501 is intermittently started and stopped, the rotating plate 609 generates periodic high-frequency vibration under the rebound force of the return spring 610, which can effectively shake off metal debris, coolant and oil mist accumulated on the grinding wheel 605 and the surface of the device. Angle adjustment: The servo motor 508, in conjunction with the synchronous belt 509, drives the lead screw 510 to rotate, which in turn drives the sliding tube 512 to move vertically within the vertical shaft 506. The movement of the sliding tube 512 is transmitted through the first pull rope 513 via the first steering shaft 515 to pull the placement plate 502 to rotate around the connecting shaft 517, thereby changing the tilt angle of the pneumatic motor 501 and the entire grinding assembly 6. At the same time, the extension shaft 518 at the bottom of the placement plate 502 applies a reaction force to the other side of the sliding tube 512 through the second pull rope 514 and the second steering shaft 516, forming a stable closed-loop control, ensuring the accuracy and smoothness of the angle adjustment process, so that the grinding wheel 605 can perfectly adapt to the bevels of various complex tools. When the grinding assembly 6 is adjusted to the vertical position, the cylinder 504 can be activated to drive the square shaft 505, the vertical shaft 506 and the placement plate 502 to move, thereby clamping and grinding the tool through the three arrays of grinding assemblies 6, or it can be used to achieve auxiliary clamping when working in the machining center.

[0031] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0032] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A pneumatic grinding device for sintered diamond tools, comprising a worktable (1) and T-slots (2) uniformly formed on the top of the worktable (1), characterized in that: The workbench (1) is fitted with a fixing component (4) through a T-slot (2), and a mounting plate (3) for bearing is fixedly installed on the top of the fixing component (4), and an adjustment component (5) for adjusting the grinding angle is arranged on the top of the mounting plate (3), and a grinding component (6) for grinding is arranged on one side of the adjustment component (5).

2. The pneumatic grinding device for sintered diamond tools according to claim 1, characterized in that: The grinding assembly (6) includes a connecting plate (601) arranged in a triangular array above the mounting plate (3). One side of the connecting plate (601) is connected to the adjustment assembly (5). A support ring plate (604) is fixedly installed in the middle of the outer side of the connecting plate (601), and the outer side of the support ring plate (604) is pre-formed with notches.

3. The pneumatic grinding device for sintered diamond tools according to claim 2, characterized in that: A grinding wheel (605) is provided on the side of the connecting plate (601) away from the adjustment component (5). A connecting block (606) is arrayed on the side of the grinding wheel (605) close to the connecting plate (601). The connecting block (606) is arc-shaped. A slot (608) is symmetrically opened on the outer side of the connecting block (606). An inwardly extending limiting groove (607) is opened in the middle of the connecting block (606).

4. The pneumatic grinding device for sintered diamond tools according to claim 3, characterized in that: The outer side of the connecting plate (601) has symmetrically arranged socket grooves (612) about the support ring plate (604). The connecting plate (601) is fitted with a rotating plate (609) through the socket grooves (612). Bend grooves (611) and storage grooves (613) are sequentially opened below the socket grooves (612). A return spring (610) is fixedly installed on the inner side of the rotating plate (609). The other end of the return spring (610) passes through the storage groove (613) and is fixedly connected to the inner side of the connecting plate (601).

5. The pneumatic grinding device for sintered diamond tools according to claim 4, characterized in that: The inner side of the connecting block (606) is provided with an inwardly extending connecting groove (614). The connecting block (606) is engaged with the rotating plate (609) through the connecting groove (614). A rubber ring (603) is fixedly installed on the outer side of the support ring plate (604). Telescopic rods (602) are arranged at intervals at both ends of the support ring plate (604). The two ends of the telescopic rods (602) are fixedly connected to the inner side of the rubber ring (603) and the outer side of the connecting plate (601), respectively.

6. The pneumatic grinding device for sintered diamond tools according to claim 2, characterized in that: The adjustment assembly (5) includes a pneumatic motor (501) fixedly connected to one side of the connecting plate (601). A placement plate (502) is fixedly installed at the bottom of the pneumatic motor (501). A fixing block (503) is symmetrically arranged on the side of the placement plate (502) near the connecting plate (601). The top of the fixing block (503) is fixedly connected to the mounting plate (3). A cylinder (504) is fixedly installed on the side of the fixing block (503) away from the connecting plate (601). A square shaft (505) is fixedly installed at the other end of the two sets of cylinders (504).

7. The pneumatic grinding device for sintered diamond tools according to claim 6, characterized in that: Vertical shafts (506) are fixedly installed at both ends of the square shaft (505). A connecting shaft (517) is provided above the square shaft (505). The end of the placement plate (502) away from the fixing block (503) is rotatably sleeved with the connecting shaft (517). Both ends of the connecting shaft (517) are fixedly connected to the inner sides of the two sets of vertical shafts (506). An installation box (507) is fixedly installed at the bottom of the two sets of vertical shafts (506) away from the fixing block (503).

8. The pneumatic grinding device for sintered diamond tools according to claim 7, characterized in that: The mounting box (507) is equipped with a servo motor (508), and the output end of the servo motor (508) is engaged with a synchronous belt (509). The vertical shaft (506) has a central groove (511) inside. The vertical shaft (506) is connected to a lead screw (510) through the central groove (511). The bottom of the outer side of the lead screw (510) is engaged with the synchronous belt (509). The outer side of the lead screw (510) is threaded with a sliding tube (512).

9. A pneumatic grinding device for sintered diamond tools according to claim 8, characterized in that: A first steering shaft (515) is fixedly installed on the top of the inner side of both sets of vertical shafts (506). A first pull rope (513) in a bent shape is sleeved through the inside of the first steering shaft (515). The two ends of the first pull rope (513) are fixedly connected to the outside of the sliding tube (512) and the top of the placement plate (502), respectively. A second steering shaft (516) is fixedly installed on the bottom of the outer side of both sets of vertical shafts (506). A second pull rope (514) in a bent shape is sleeved through the middle of the second steering shaft (516). One end of the second pull rope (514) is fixedly connected to the outside of the sliding tube (512). An extension shaft (518) is fixedly installed on the other end of the second pull rope (514), and the top of the extension shaft (518) is fixedly connected to the bottom of the placement plate (502).

10. A pneumatic grinding device for sintered diamond tools according to claim 1, characterized in that: The fixing component (4) is symmetrically installed on the T-shaped block (401) at the bottom of the mounting plate (3). The inner side of the T-shaped block (401) is fitted with a suction cup (402). The top of the suction cup (402) is connected to an air tube (403), and the air tube (403) is located on the inner side of the mounting plate (3). The inner side of the mounting plate (3) is symmetrically fitted with an airbag (404) about the left and right sides of the air tube (403). The bottom of the airbag (404) extends through the bottom of the mounting plate (3) to its outer side.