High-precision automatic double-sided grinding equipment

Abstract

The utility model provides high-precision automatic double-sided grinding equipment, and relates to the technical field. Comprising a workbench and further comprises a control module, a driving device, a left grinding mechanism, a right grinding mechanism, a clamping device and a bearing disc, and the driving device is connected with the left grinding mechanism and the right grinding mechanism; the control module is connected with the driving device so as to be suitable for synchronously driving the left grinding mechanism and the right grinding mechanism to grind the two faces of the workpiece clamped on the clamping device. The clamping device comprises a V-shaped clamping block arranged on the workbench and a fixed clamping block arranged above the V-shaped clamping block, and the fixed clamping block is connected to the V-shaped clamping block through adjusting bolts arranged on the two sides and suitable for being suitable for workpieces of different sizes through the adjusting bolts. By means of the scheme, the double-face grinding efficiency of the workpiece can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a grinding device technical field, specifically, relate to a kind of high-precision automation double-sided grinding equipment. BACKGROUND

[0002] In modern manufacturing industry, the processing demand of precision parts is increasing, especially in the field of aerospace, electronic information and precision instruments, the machining precision and surface quality of parts are extremely high. Traditional grinding equipment usually adopts single-sided grinding method, which not only has low processing efficiency, but also can not guarantee the parallelism and thickness consistency of the two sides of the workpiece. In addition, the automation degree of traditional equipment is low, and the operation is complex, which needs a lot of manual intervention, and is easy to introduce human error.

[0003] In order to improve the processing efficiency and precision, double-sided grinding technology has gradually been valued. Double-sided grinding equipment can process the two surfaces of the workpiece at the same time, which greatly improves the production efficiency. However, the existing double-sided grinding equipment usually adopts upper and lower structure, and there are still many deficiencies in structure design, automation level and operation convenience. For example, the unreasonable setting of clamp structure easily affects the grinding of workpiece, the poor adaptability of clamp structure, and the single type of products that can be processed by grinding mechanism. SUMMARY

[0004] The utility model discloses a kind of high-precision automation double-sided grinding equipment, to solve the unreasonable of existing double-sided grinding equipment structure design and the problem that clamping structure affects workpiece grinding.

[0005] The utility model has adopted the following scheme:

[0006] A kind of high-precision automation double-sided grinding equipment, including workbench, further include: control module, driving device, left grinding mechanism, right grinding mechanism, clamping device and receiving tray, wherein, driving device connects the left grinding mechanism with the right grinding mechanism;The control module is connected with driving device to be suitable for synchronous driving the left grinding mechanism and right grinding mechanism to grind the workpiece double-sided clamped on clamping device;The clamping device includes V-shaped clamping block setting on workbench and fixed clamping block setting above the V-shaped clamping block, the fixed clamping block is connected on the V-shaped clamping block by adjusting bolt setting on both sides, and it is suitable for being adjusted by the adjusting bolt to adapt to workpiece of different sizes;The receiving tray is set below the clamping device to receive coolant, and its bottom is connected with reflux pipeline to be suitable for discharging coolant.

[0007] Further, the V-shaped clamping block is provided with a V-shaped groove for placing the workpiece, one side of the V-shaped groove is provided with a workpiece positioning surface, and a through hole suitable for the grinding head of the left grinding mechanism or the right grinding mechanism is provided on the workpiece positioning surface.

[0008] Further, two opposite sliding guide grooves suitable for sleeving on two sides of the V-shaped clamping block are arranged on two sides of the fixed clamping block, and the sliding guide grooves are suitable for being connected to the front and rear sides of the V-shaped clamping block so that the fixed clamping block is connected to the V-shaped clamping block.

[0009] Further, a lifting device is arranged below the clamping device, and the lifting device is suitable for driving the clamping device to move up and down to adapt to the grinding height of different workpieces.

[0010] Further, the driving devices each include a servo motor and a roller screw device, and the left grinding mechanism and the right grinding mechanism are suitable for being connected to the roller screw device and are driven by the driving devices to move close to or away from each other.

[0011] Further, the left grinding head and the right grinding head are detachably arranged on the left grinding mechanism and the right grinding mechanism respectively, and the left grinding head and the right grinding head are suitable for simultaneously grinding two surfaces of a workpiece.

[0012] Beneficial effects:

[0013] The scheme can improve the efficiency by synchronously driving the left and right grinding mechanisms to grind two surfaces of a workpiece simultaneously, and the grinding mechanisms of the two surfaces of the workpiece can support each other during grinding to avoid the deviation of the workpiece. Further, the clamping device can adapt to workpieces of different sizes by adjusting the bolts, and the clamping device has a novel structure with a through hole suitable for the grinding head to pass through, so that the influence of the clamp structure on the grinding head can be avoided. The scheme can improve the processing efficiency and processing quality. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a whole structure schematic view of a high-precision automatic double-sided grinding equipment according to an embodiment of the present application;

[0015] Figure 2 is a grinding mechanism arrangement schematic view of a high-precision automatic double-sided grinding equipment according to an embodiment of the present application;

[0016] Figure 3 is a structure schematic view of a clamping device and a receiving disc of a high-precision automatic double-sided grinding equipment according to an embodiment of the present application;

[0017] Figure 4 is a structure schematic view of a left grinding head of a high-precision automatic double-sided grinding equipment according to an embodiment of the present application;

[0018] Figure 5 is a structure schematic view of a right grinding head of a high-precision automatic double-sided grinding equipment according to an embodiment of the present application;

[0019] Figure 6 is used Figure 4 and Figure 5 workpiece structure diagram processed by the grinding head of the embodiment;

[0020] Figure: workbench 1, driving device 2, left grinding mechanism 3, left grinding head 31, rotating motor 32, shaft coupling 33, right grinding mechanism 4, right grinding head 41, clamping device 5, V-shaped clamp block 51, V-shaped groove 511, workpiece positioning surface 512, through hole 513, fixed clamp block 52, adjusting bolt 53, lifting device 6, receiving disc 7, circulating water tank 8, backflow pipeline 9. DETAILED DESCRIPTION

[0021] In combination with Figures 1 to 6 The embodiment provides a high-precision automatic double-sided grinding equipment, which comprises a workbench 1 and further comprises a control module, a driving device 2, a left grinding mechanism 3, a right grinding mechanism 4, a clamping device 5 and a receiving disc 7, wherein the driving device 2 is connected with the left grinding mechanism 3 and the right grinding mechanism 4; the control module is connected with the driving device 2 to synchronously drive the left grinding mechanism 3 and the right grinding mechanism 4 to grind the double sides of a workpiece clamped on the clamping device 5; the clamping device 5 comprises a V-shaped clamp block 51 arranged on the workbench 1 and a fixed clamp block 52 arranged above the V-shaped clamp block 51, the fixed clamp block 52 is connected with the V-shaped clamp block 51 through adjusting bolts 53 arranged on both sides and is adapted to adapt to workpieces of different sizes through the adjusting bolts 53; and the receiving disc 7 is arranged below the clamping device 5 to receive cooling liquid, and a backflow pipeline 9 is connected with the bottom of the receiving disc 7 to adapt to the discharge of the cooling liquid.

[0022] In the embodiment, the double-sided grinding equipment comprises a support frame for supporting and fixing various components to ensure the stability of the equipment during operation. The support frame is made of high-strength alloy material, and the cross section of the frame is optimally designed to provide good rigidity and torsional performance. During the grinding process, the support frame can effectively reduce the deformation caused by high-speed rotation and vibration, thereby reducing the processing error. Further, adjustable shockproof foot pads are provided at the bottom of the frame, and the horizontal calibration of the equipment can be realized through the adjustment of these foot pads, which adapts to different installation environments and further enhances the stability of the equipment.

[0023] In combination with Figures 1 to 6As shown, the left grinding mechanism 3 and the right grinding mechanism 4 are distributed left and right, and are arranged on the driving device 2, the driving device 2 includes a servo motor and a roller screw device, the left grinding mechanism 3 and the right grinding mechanism 4 are adapted to be connected to the roller screw device, and the driving device 2 is used to drive the left grinding mechanism 3 and the right grinding mechanism 4 to move closer to or farther away from each other. Here, the roller screw can be provided with left and right threads, which can be used to install the sliding blocks of the left grinding mechanism 3 and the right grinding mechanism 4, so that when the servo motor drives the roller screw device to rotate, the left grinding mechanism 3 and the right grinding mechanism 4 can be synchronously driven to move closer to or farther away from each other, and the synchronous grinding can be improved by arranging them on the same rotation shaft to improve the grinding processing quality. The left grinding mechanism 3 and the right grinding mechanism 4 each include a rotating motor 32, a speed reducer, a shaft coupling 33, and a grinding head, the rotating motor 32 is connected to the speed reducer, and the same structure is used to drive the grinding head to rotate. The grinding head is replaceably arranged on the speed reducer 33. The left grinding head 31 and the right grinding head 41 can grind the two ends of the workpiece into parallel surfaces, or can grind them into special-shaped surfaces. For example, in an embodiment, the left grinding head 31 and the right grinding head 41 can be arranged in a special-shaped matching manner to realize the processing of non-horizontal plane products. For example, the left grinding head 31 is arranged in a shuttle shape, and the right grinding head 41 is arranged in a cylindrical shape with an arc-shaped groove. During processing, the left side hollows out the workpiece to grind the groove, and the right side grinds the outside of the workpiece to form the arc-shaped groove shape. The use of this set of grinding heads can produce products such as fairings. That is, by arranging the left grinding head 31 and the right grinding head 41 in different shapes, products of different shapes can be produced.

[0024] In combination Figure 3 As shown, in this embodiment, the V-shaped clamp block 51 is provided with a V-shaped groove 511 for placing the workpiece, one side of the V-shaped groove 511 is provided with a workpiece positioning surface 512, and a through hole 513 suitable for the grinding head of the left grinding mechanism 3 or the right grinding mechanism 4 is arranged on the workpiece positioning surface 512. Through this arrangement, the workpiece can be placed on the V-shaped groove 511, one end of the workpiece is positioned by the workpiece positioning surface 512, and during grinding, one of the grinding heads can pass through the through hole 513 to grind the workpiece at one end of the workpiece positioning surface 512, and the other grinding head can simultaneously process the other end of the workpiece. It should be noted that the height of the workpiece positioning surface 512 is not more than 1 cm, so as to maximize the influence on the grinding head during processing.

[0025] In combination Figure 3As shown, the clamping device 5 further comprises a fixed clamp block 52, which is provided with two oppositely arranged sliding guide grooves on both sides, which are adapted to be sleeved on both sides of the V-shaped clamp block 51, and the sliding guide grooves are adapted to be connected to the front and rear sides of the V-shaped clamp block 51 to connect the fixed clamp block 52 to the V-shaped clamp block 51. Through the sliding guide grooves, the displacement of the fixed clamp block 52 in the left-right direction can be limited. The adjusting bolt 53 is arranged on both sides of the through hole 513 of the V-shaped clamp block 51, penetrates the top of the fixed clamp block 52 for connection with the V-shaped clamp block 51, and the height of the fixed clamp block 52 relative to the V-shaped clamp block 51 can be adjusted by rotating the adjusting bolt 53 to adapt to workpieces of different sizes. It should be noted that the fixed clamp block 52 is provided with another downward-opening V-shaped groove 511 to cooperate with the V-shaped groove 511 of the V-shaped clamp block 51 to form a clamping space for the workpiece. Preferably, a lifting device 6 is arranged below the clamping device 5, which is adapted to drive the clamping device 5 to move up and down to adapt to the grinding height of different workpieces. Here, the grinding height of the workpiece can be adjusted by the lifting device 6 to meet the grinding requirements of different workpieces.

[0026] In this embodiment, a cooling and lubricating assembly is also provided, which comprises a circulating water tank 8, a cooling liquid pipeline and an adjustable nozzle (not shown). The cooling liquid pipeline comprises an inlet pipe and an outlet pipe, and a receiving disc 7 is arranged below the clamping device 5 for receiving cooling and lubricating oil, and a return pipeline 9 is arranged below the receiving disc 7 for returning the cooling liquid. The cooling liquid inlet pipeline is connected to the two grinding heads to cool and lubricate the grinding heads. The cooling and lubricating assembly functions to reduce heat during grinding to avoid thermal deformation of the workpiece due to heat accumulation, thereby affecting the machining precision. The cooling liquid is uniformly sprayed to the grinding area through the nozzle, so that the temperature between the grinding head and the workpiece is maintained at an appropriate temperature. The temperature and flow of the cooling liquid can be accurately set on the touch screen, which is suitable for workpieces of different materials and processing parameters. The cutting fluid in the cooling and lubricating assembly can be selected from water-based, oil-based or emulsion, and the operator can select the appropriate type of cooling liquid according to the material of the workpiece, and add an appropriate amount of cooling liquid in the circulating water tank 8. The cooling liquid flow is between 10-15 L / min to ensure the best cooling effect. The cooling liquid temperature is controlled within the range of 15-25℃, which can effectively improve the surface finish of the workpiece and prolong the service life of the equipment and the workpiece.

[0027] In addition, in this embodiment, the double-sided polishing equipment is also provided with a servo control system to adjust the key parameters such as the feed speed, grinding frequency and grinding pressure of the polishing head. The control system realizes precise control of the movement of the polishing head through a servo motor, can respond to changes in parameters in real time to maintain stable polishing quality. The servo motor has an overload protection function, which can automatically stop operation when the load exceeds the preset threshold, ensuring the safety and stability of the equipment. A touch screen control interface is also provided to link with the servo control system, providing an intuitive parameter input and adjustment interface for the operator. The operator can set the polishing speed, feed amount, water outlet position and other parameters through the touch screen interface, and the system will automatically store the set processing parameters for repeated use in subsequent processing. In addition, the touch screen has real-time monitoring and feedback functions, which can display the speed, torque and cooling liquid flow of the servo motor, and when an abnormal condition is detected, the system will automatically trigger an alarm and record fault information for reference during subsequent maintenance.

[0028] When working, the following steps are operated:

[0029] S1: Inspection and preparation: Ensure that the equipment is correctly connected to the power supply, and add an appropriate amount of cooling liquid in the circulating water tank 8; check whether the servo motor and clamping device 5 are in the initial position, and ensure that the equipment is free of any abnormalities.

[0030] S2: Calibrate the equipment: Install a calibration rod with a diameter of 15 mm into the workpiece positioning surface 512, use the workpiece positioning surface 512 as the reference surface of the clamp, adjust the clamp position using the calibration ring, make the outer circle of the calibration ring tightly fit the V-shaped groove 511, ensure the concentricity of the left and right main shafts of the left and right grinding mechanisms 3 and 4 and the alignment of the clamp, and guarantee the polishing accuracy of the equipment.

[0031] S3: Install the workpiece: Fix the workpiece to be processed on the workpiece positioning surface 512, adjust the clamping force to ensure that the workpiece is stable and does not loosen during the entire polishing process; this step needs to ensure the fit accuracy between the workpiece and the clamp reference surface to avoid errors caused by improper clamping.

[0032] S4: Parameter setting: Enter the "automatic setting" mode on the touch screen control interface, input the required processing parameters including feed speed, grinding frequency and cooling liquid injection position; according to the workpiece material and processing requirements, select the appropriate cooling liquid temperature and flow to achieve the best cooling effect.

[0033] S5: Start polishing: Press the "automatic grinding start" button, the equipment will automatically polish according to the set parameters; the touch screen displays the speed, torque and other parameters of the servo motor in real time, and the operator can monitor the operation of the equipment at any time.

[0034] S6: Monitoring process: During the grinding process, the operator needs to closely monitor the parameters displayed on the touch screen to ensure that the equipment is working within the normal range. If abnormal conditions occur, press the "emergency stop" button to stop the grinding process to avoid damage to the workpiece and equipment.

[0035] S7: Grinding is completed: When the grinding process is completed, click the "home" button, and the left and right motors will automatically return to the initial position; the operator removes the completed workpiece and cleans the equipment to prepare for the next operation.

[0036] This high-precision automatic double-sided grinding equipment can efficiently and accurately complete the double-sided grinding of various workpieces, especially for workpiece processing that requires high precision and high parallelism. The design and operation process of this equipment not only improves production efficiency, but also improves the accuracy and stability of grinding, and can meet the processing needs of high-end manufacturing fields such as aerospace, electronic information, and precision instruments.

[0037] It should be understood that: the above is only the preferred embodiment of the present application, the protection scope of the present application is not limited to the above-mentioned embodiments, any technical solution that belongs to the idea of the present application is within the protection scope of the present application.

[0038] The above description of the drawings used in the embodiments only shows some embodiments of the present application, and should not be considered as limiting the scope. For those skilled in the art, other related drawings can be obtained without creative labor.

Claims

1. A high-precision automated double-sided polishing apparatus comprising a worktable, characterized in that, Also include: Control module, drive device, left grinding mechanism, right grinding mechanism, clamping device and receiving disc, wherein the drive device connects the left grinding mechanism and the right grinding mechanism; The control module is connected with the drive device to synchronously drive the left grinding mechanism and the right grinding mechanism to grind the workpiece clamped on the clamping device; The clamping device includes a V-shaped clamp block arranged on the workbench and a fixed clamp block arranged above the V-shaped clamp block, the fixed clamp block is connected to the V-shaped clamp block through adjusting bolts arranged on both sides, and is adapted to accommodate workpieces of different sizes through the adjusting bolts. The receiving disc is arranged below the clamping device to receive the cooling liquid, and the bottom is connected with a return pipeline to discharge the cooling liquid.

2. The high precision automated double-sided polishing apparatus according to claim 1, wherein The V-shaped clamp block is provided with a V-shaped groove for placing the workpiece, one side of the V-shaped groove is provided with a workpiece positioning surface, and a through hole is arranged on the workpiece positioning surface for the grinding head of the left grinding mechanism or the right grinding mechanism to pass through.

3. The high precision automated double-sided polishing apparatus of claim 2, wherein, The fixed clamp block is provided with two oppositely arranged sliding guide grooves on both sides, which are adapted to be sleeved on both sides of the V-shaped clamp block, and the sliding guide grooves are adapted to be connected on both sides of the V-shaped clamp block to connect the fixed clamp block on the V-shaped clamp block.

4. The high precision automated double-sided polishing apparatus of claim 1, wherein, The clamping device is provided below the lifting device, which is adapted to drive the clamping device to move up and down to adapt to the grinding height of different workpieces.

5. The high precision automated double-sided lapping apparatus of claim 1, wherein, The drive device includes a servo motor and a roller screw device, the left grinding mechanism and the right grinding mechanism are adapted to be connected to the roller screw device, and the left grinding mechanism and the right grinding mechanism are driven to move closer to or farther away from each other through the drive device.

6. The high precision automated double-sided lapping apparatus of claim 1, wherein, The left grinding head and the right grinding head are respectively arranged on the left grinding mechanism and the right grinding mechanism, and the left grinding head and the right grinding head are adapted to grind the two surfaces of the workpiece at the same time.

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