CN216731165U - High-efficient many bistriques numerical control jig grinding machine who processes - Google Patents

Abstract

The utility model discloses a multi-grinding-head numerical control coordinate grinding machine for high-efficiency processing, which belongs to the field of coordinate grinding machines and comprises a machine body and a grinding mechanism, wherein a first sliding table moving in the X-axis direction is arranged on the machine body in a sliding manner, a second sliding table used for driving the grinding mechanism to move in the Y-axis direction and a third sliding table used for driving the grinding mechanism to move in the Z-axis direction are also arranged on the machine body, the grinding mechanism comprises a plurality of main shafts, each main shaft is connected with a grinding wheel, the diameters of the grinding wheels are the same, the axes of the grinding wheels are parallel, the axes of the grinding wheels are arranged in the Z-axis direction, a clamping part corresponding to the grinding wheel is arranged on the first sliding table, a fourth sliding table moving in the Y-axis direction is arranged on the first sliding table, a grinding wheel dressing mechanism used for dressing the grinding wheels is arranged on the fourth sliding table, a diameter measuring mechanism used for detecting the diameters of the grinding wheels is also arranged on the first sliding table, and the diameter measuring mechanism measures the diameters of the grinding wheels and transmits signals to a controller, the controller control emery wheel is maintained the emery wheel by mechanism, and this patent can be processed a plurality of work pieces simultaneously.

Description

High-efficient many bistriques numerical control jig grinding machine who processes

Technical Field

The utility model relates to the field of coordinate grinding machines, in particular to a multi-grinding-head numerical control coordinate grinding machine for efficient machining.

Background

A jig grinder is a machine tool developed for the purpose of eliminating the heat treatment distortion of a material, and has a precision coordinate positioning device that can grind holes with high pitch precision and various profile shapes.

The conventional coordinate grinding machine, such as a gantry coordinate grinding machine disclosed in the patent publication No. CN214980056U, comprises a machine body and double columns arranged on the machine body, wherein an X-direction sliding table is slidably arranged on the machine body and is driven by an X-direction driving mechanism, so that the X-direction sliding table can move back and forth relative to the double columns; the double-column grinding machine is characterized in that W-direction cross beams are slidably mounted on the double columns, the W-direction cross beams are driven by a W-direction driving mechanism to enable the W-direction cross beams to move up and down along the double columns, Y-direction sliding plates are slidably mounted on the W-direction cross beams, a Y-direction driving mechanism is mounted on the W-direction cross beams and drives the Y-direction sliding plates to move left and right along the W-direction cross beams, a spindle box is mounted on the Y-direction sliding plates, a static pressure spindle mechanism is mounted inside the spindle box, a U-direction sliding plate mechanism is mounted at the bottom of the static pressure spindle mechanism, a grinding spindle is mounted on the U-direction sliding plate mechanism, a grinding wheel is mounted on the grinding spindle, and the grinding wheel is located above the machine body.

However, most of the grinding wheel grinding heads for the existing coordinate grinding machines adopt a single-grinding-wheel structure, and because the machining speed of the coordinate grinding machines is low, one or two days may be required for grinding one workpiece, and the structural efficiency of a single grinding wheel is low, so that the machining cost is increased.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a multi-grinding-head numerical control coordinate grinding machine for high-efficiency machining.

The technical scheme of the utility model is as follows: the high-efficiency processing multi-grinding-head numerical control coordinate grinding machine comprises a machine body, a grinding mechanism and a controller, wherein a first sliding table moving in the X-axis direction is arranged on the machine body in a sliding manner, the first sliding table is driven to move by an X-axis driving mechanism, a second sliding table used for driving the grinding mechanism to move in the Y-axis direction and a third sliding table used for driving the grinding mechanism to move in the Z-axis direction are also arranged on the machine body, the second sliding table is driven to move by the Y-axis driving mechanism, and the third sliding table is driven to move by a Z-axis driving mechanism, and the high-efficiency processing multi-grinding-head numerical control coordinate grinding machine is characterized in that the grinding mechanism comprises a plurality of main shafts, each main shaft is connected with a grinding wheel used for grinding a workpiece, the diameters of the grinding wheels are the same, the axes of the grinding wheels are parallel, the axis Z-axis of the grinding wheel is axially arranged, a clamping part corresponding to the grinding wheel is arranged above the clamping part,

the grinding wheel trimming mechanism is characterized in that a fourth sliding table moving in the Y-axis direction is slidably mounted on the first sliding table, a Y-axis driving mechanism II for driving the fourth sliding table to move is arranged on the first sliding table, a grinding wheel trimming mechanism for trimming a grinding wheel is arranged on the fourth sliding table, a diameter measuring mechanism for detecting the diameter of the grinding wheel is further arranged on the first sliding table, the diameter measuring mechanism measures the diameter of the grinding wheel and transmits a signal to the controller, and the controller controls the grinding wheel trimming mechanism to trim the grinding wheel.

The further optimization scheme of the utility model is as follows: the grinding wheel dressing mechanism comprises a driving motor and a dressing wheel, the dressing wheel is fixed on an output shaft of the driving motor, and the rotation center Z of the dressing wheel is axially arranged.

The further optimization scheme of the utility model is as follows: the grinding wheels are arranged in a line.

The further optimization scheme of the utility model is as follows: and all the grinding wheels are arranged in an annular array.

The further optimization scheme of the utility model is as follows: the clamping part comprises a clamping table fixed on the first sliding table and a movable clamping block slidably mounted on the clamping table, the clamping table comprises a front fixed block, a rear fixed block and a cross beam connected between the front fixed block and the rear fixed block, the movable clamping block is slidably mounted on the cross beam, an interval is reserved between the cross beam and the table top of the first sliding table, the movable clamping block and the front fixed block are combined to form a clamp opening capable of being opened and closed, and a locking assembly used for locking the movable clamping block on the cross beam is arranged on the movable clamping block.

The further optimization scheme of the utility model is as follows: the locking assembly comprises a clamping rod and a clamping hanger, the clamping hanger is in an inverted T shape with a transverse part and a vertical part, the vertical part of the clamping hanger is in threaded connection with the clamping rod, two ends of the transverse part of the clamping hanger are located in the grooves on two sides, and the clamping rod is matched with the clamping hanger to clamp and fix the movable clamping block and the cross beam.

The further optimization scheme of the utility model is as follows: one grinding wheel corresponds to one clamping part, and the distance between the axes of the two grinding wheels is equal to the distance between the clamping centers of the two corresponding clamping parts.

The further optimization scheme of the utility model is as follows: and the diameter measuring mechanism is arranged on the fourth sliding table.

The further optimization scheme of the utility model is as follows: the first sliding table is provided with a fifth sliding table which moves in the Y-axis direction in a sliding mode, the first sliding table is provided with a third Y-axis driving mechanism which drives the fifth sliding table to move, and the diameter measuring mechanism is arranged on the fifth sliding table.

The further optimization scheme of the utility model is as follows: the diameter measuring mechanism comprises a mounting seat, a standard part with a standard excircle size is arranged on the mounting seat, the axis of the standard part is parallel to the Z axis, two clamping pins capable of opening and closing synchronously in a sliding mode are arranged on the mounting seat, the clamping pins are connected with a measuring instrument, measuring points of the two clamping pins are respectively in contact with the outer walls of two sides of the standard part, the standard part and the mounting seat can slide relatively in the Z axis direction, the standard part is connected with a resetting part, when the standard part moves to the axis and is coaxial with a grinding wheel, the standard part and the mounting seat slide relatively, and the two clamping pins enter the grinding wheel through the standard part to be used for detecting the difference value of the standard part and the grinding wheel in the Y axis direction.

Compared with the prior art, the utility model has the advantages that the machine body is provided with the plurality of grinding wheels for grinding the workpieces, each grinding wheel can independently process the workpieces with the same specification, the coordinate grinding machine can process the workpieces at one time, the processing efficiency is greatly improved compared with the coordinate grinding machine with a single grinding wheel,

the grinding wheel can be dressed through the matching of the diameter measuring mechanism and the grinding wheel dressing mechanism, so that the grinding wheel does not need to be dismounted from the coordinate grinding machine for dressing, the dressing of each grinding wheel is convenient, the diameter of each grinding wheel can be effectively ensured to be the same, the grinding wheels can be simultaneously and independently machined on workpieces of the same specification, the mounting precision of the grinding wheel can be ensured on the coordinate grinding machine, and the machining precision is improved.

Drawings

The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of illustrating the background art and explaining the preferred embodiments, and therefore should not be taken as limiting the scope of the present invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.

FIG. 1 is a schematic diagram of the structure of the present invention.

Fig. 2 is a using state diagram of the grinding wheel for grinding a workpiece.

Fig. 3 is a diagram showing a state of use of the diameter measuring mechanism for diameter measurement of the grinding wheel.

Fig. 4 is a first structural schematic diagram of the clamping part.

Fig. 5 is a structural schematic diagram of a clamping part II.

Figure 6 is a cut-away view of the clamping member.

FIG. 7 is a diagram showing the positional relationship between the grinding wheel and the standard member when they are coaxial.

FIG. 8 is a cutaway view of the diameter measuring mechanism.

FIG. 9 is a cut-away view of the diameter measuring mechanism.

FIG. 10 is a detail view of the diameter measuring mechanism measuring the grinding wheel.

In the figure: 1. a bed body; 2. a first sliding table; 3. clamping the component; 4. a workpiece; 5. a fourth sliding table; 6. a drive motor; 7. a dressing wheel; 8. a fifth sliding table; 9. a diameter measuring mechanism; 10. a column; 11. a third sliding table; 12. a second sliding table; 13. a main shaft; 14. a grinding wheel; 15. a rear fixed block; 16. a front fixed block; 17. a cross beam; 18. a groove; 19. a movable clamping block; 20. a locking assembly; 21. a through opening; 22. a slide rail; 23. a slider; 24. clamping the hanger; 25. a clamping lever; 26. an oblique through hole; 27. clamping a pin; 28. a first guide edge; 29. a second guide edge; 30. a reset member; 31. a first sliding rod; 32. a mounting seat; 33. a support block; 34. a fixed seat; 35. a base; 36. a sliding part; 37. an elastic member; 38. a second sliding rod; 39. a positioning column; 40. positioning holes; 41. a standard component; 42. installing a long groove; 43. a measuring instrument.

Detailed Description

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that the description is illustrative only, and is not to be construed as limiting the scope of the utility model.

It should be noted that: like reference numerals refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined or explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "inside" and "outside" are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the utility model is used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or the element which is referred to must have a specific orientation, be constructed in a specific orientation and operation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

As shown in fig. 1-10, the high-efficiency processing multi-grinding-head numerical control coordinate grinding machine comprises a machine body 1, a grinding mechanism and a controller, wherein the controller is arranged on the machine body 1.

As shown in fig. 1-3, a sliding table i 2 moving in the X-axis direction is slidably mounted on a machine body 1, an X-axis driving mechanism for driving the sliding table i 2 to move is arranged on the machine body 1, the X-axis driving mechanism is a driving structure on the existing machine tool and mainly comprises a motor and an X-axis lead screw, the motor drives the X-axis lead screw to rotate, so that the sliding table i 2 is driven to move in the X-axis direction, and the X-axis driving mechanism is electrically connected with a controller.

The lathe body 1 is further provided with a second sliding table 12 for driving the grinding mechanism to move in the Y-axis direction and a third sliding table 11 for driving the grinding mechanism to move in the Z-axis direction, the second sliding table 12 is driven to move by the first Y-axis driving mechanism, and the third sliding table 11 is driven to move by the Z-axis driving mechanism.

Specifically, the method comprises the following steps: the lathe body 1 is fixed with double upright columns 10, the double upright columns 10 are respectively arranged at the left side and the right side of the lathe body 1, the two upright columns 10 are connected through a connecting frame, a third sliding table 11 is slidably arranged on the two upright columns 10, a Z-axis driving mechanism is arranged on the connecting frame, the Z-axis driving mechanism is a driving structure on the existing lathe and mainly comprises a motor and a Z-axis lead screw, the motor drives the Z-axis lead screw to rotate, thereby driving the third sliding table 11 to move up and down in the Z-axis direction, the Z-axis driving mechanism is electrically connected with the controller, the second sliding table 12 is slidably arranged on the third sliding table 11, the first Y-axis driving mechanism is a driving structure on the existing machine tool and mainly comprises a motor and a screw rod in the Y-axis direction, the motor drives the screw rod in the Y-axis direction to rotate, thereby driving the second sliding table 12 to move in the Y-axis direction, and the first Y-axis driving mechanism is electrically connected with the controller.

The grinding mechanism is fixed on the second sliding table 12.

The grinding mechanism comprises a plurality of main shafts 13, each main shaft 13 is connected with a grinding wheel 14 for grinding the workpiece 4, each main shaft 13 is fixed on the second sliding table 12, the main shafts 13 can drive the grinding wheels 14 to rotate, the main shafts 13 are electrically connected with the controller, preferably, the number of the main shafts 13 is three, the number of the grinding wheels 14 is three corresponding to the number of the main shafts 13, and the three grinding wheels 14 are driven to rotate by the corresponding main shafts 13. The spindle 13 is a driving structure on a conventional coordinate grinding machine, such as an electric spindle, and the specific structure can be referred to patent documents: CN 214980056U.

In order to ensure that the grinding wheels 14 can simultaneously process workpieces 4 with the same specification, the diameters of the grinding wheels 14 are the same, the axes of the grinding wheels 14 are parallel, and the axes of the grinding wheels 14 are arranged along the Z-axis direction, preferably, the grinding wheels 14 are arranged above the bed 1 in a straight line or the grinding wheels 14 are arranged above the bed 1 in an annular array.

As shown in fig. 2, a clamping part 3 corresponding to a grinding wheel 14 is arranged on the first sliding table 2, the clamping part 3 is used for fixing a workpiece 4, and the grinding wheel 14 is located above the clamping part 3, preferably, one grinding wheel 14 corresponds to one clamping part 3, and the distance between the axes of the two grinding wheels 14 is equal to the distance between the clamping centers of the two corresponding clamping parts 3, so that each grinding wheel 14 can independently process workpieces 4 of the same specification and can simultaneously process the workpieces.

As shown in fig. 4-6, the clamping component 3 includes a clamping table fixed on the first sliding table 2 and a movable clamping block 19 slidably mounted on the clamping table, the clamping table includes a front fixing block 16, a rear fixing block 15 and a cross beam 17, the front fixing block 16 and the rear fixing block 15 are fixedly connected to the first sliding table 2 at intervals, the cross beam 17 is located between the front fixing block 16 and the rear fixing block 15, two ends of the cross beam 17 are respectively connected to the front fixing block 16 and the rear fixing block 15, and a space is formed between the cross beam 17 and the first sliding table 2.

The movable clamping block 19 is slidably mounted on the cross beam 17, slide rails 22 are arranged on two sides of the cross beam 17, slide blocks 23 corresponding to the slide rails 22 are arranged on two sides of the movable clamping block 19, the slide blocks 23 are clamped in the slide rails 22 and slide along the slide rails 22, the movable clamping block 19 is limited on the cross beam 17 and slides along the cross beam 17 in the X-axis direction, the movable clamping block 19 and the front fixed block 16 are combined to form a clamp opening capable of being opened and closed, and a locking assembly 20 is arranged on the movable clamping block 19 and used for locking the movable clamping block 19 on the cross beam 17.

The two sides of the bottom of the cross beam 17 are symmetrically provided with a plurality of pairs of upward concave grooves 18, the middle of the cross beam 17 is provided with a through hole 21 for the locking assembly 20 to pass through, the locking assembly 20 comprises a clamping rod 25 and a clamping hanger 24, the clamping hanger 24 is in a horizontal-vertical inverted T shape, the vertical part of the clamping hanger 24 is in threaded connection with the clamping rod 25, two ends of the horizontal part of the clamping hanger 24 are located in the grooves 18 on the two sides, and the clamping rod 25 is matched with the clamping hanger 24 to clamp and fix the movable clamping block 19 and the cross beam 17.

The movable clamping block 19 is provided with an inclined through hole 26, and the rod body part of the clamping rod 25 is inserted into the inclined through hole 26 and is in threaded connection with the vertical part of the clamping hanger 24.

When the clamping rod 25 rotates forward to tighten, the two ends of the transverse part of the clamping hanger 24 are positioned in the grooves 18 on the two sides, the movable clamping block 19 is pushed forward by the clamping rod 25 until the workpiece 4 is clamped, and when the workpiece 4 is in a clamped state, the two ends of the transverse part of the clamping hanger 24 are tightly pressed with the inner walls of the grooves 18 on the two sides; when the clamping rod 25 is rotated reversely and released, the two ends of the transverse part of the clamping hanger 24 are separated from the grooves 18 on the two sides, the movable clamping block 19 can be pushed backwards by hand, and in the case of removing the workpiece 4 or reducing the size of the workpiece 4, the movable clamping block 19 can be pushed forwards by hand.

Three groups of clamping components 3 corresponding to the three grinding wheels 14 are arranged on the first sliding table 2.

When a workpiece 4 clamped on the clamping component 3 needs to be polished, the sliding table I2, the sliding table II 12 and the sliding table III 11 move in a matching mode, so that the grinding wheel 14 and the workpiece 4 move relatively, and the outer contour or the inner hole of the workpiece 4 is polished.

As shown in fig. 1, a sliding table four 5 moving in the Y axis direction is slidably mounted on a sliding table one 2, a Y axial driving mechanism two driving the sliding table four 5 to move is arranged on the sliding table one 2, the Y axial driving mechanism two is a driving structure on the existing machine tool and mainly comprises a motor and a Y axial lead screw, the motor drives the Y axial lead screw to rotate, so that the sliding table four 5 is driven to move in the Y axis direction, and the Y axial driving mechanism two is electrically connected with a controller.

A grinding wheel dressing mechanism for dressing the grinding wheel 14 is arranged on the sliding table four 5, preferably, the grinding wheel dressing mechanism comprises a driving motor 6 and a dressing wheel 7, the driving motor 6 is electrically connected with the controller, the dressing wheel 7 is fixed on an output shaft of the driving motor 6, the driving motor 6 drives the dressing wheel 7 to rotate, and the rotation center Z of the dressing wheel 7 is axially arranged. The dressing wheel 7 is of the same construction as in existing wheel dressers, for example a diamond wheel.

The grinding wheel dressing mechanism can be driven by the first sliding table 2 and the fourth sliding table 5 to move to the position under a grinding wheel 14 to be dressed, and then the third sliding table 11 drives the grinding wheel 14 to move up and down in the Z-axis direction to grind the grinding wheel 14.

As shown in fig. 1, a diameter measuring mechanism 9 for detecting the diameter of the grinding wheel 14 is further provided on the first slide table 2.

Preferably, a sliding table five 8 moving in the Y axis direction is slidably mounted on the sliding table one 2, a Y axis driving mechanism three for driving the sliding table five 8 to move is arranged on the sliding table one 2, the Y axis driving mechanism three is a driving structure on the existing machine tool and mainly comprises a motor and a Y axis lead screw, the motor drives the Y axis lead screw to rotate, so that the sliding table five 8 is driven to move in the Y axis direction, the Y axis driving mechanism three is electrically connected with the controller, the diameter measuring mechanism 9 is arranged on the sliding table five 8, the diameter measuring mechanism 9 can move under a grinding wheel 14 to be trimmed through the driving of the sliding table one 2 and the sliding table five 8, and the diameter measuring mechanism 9 can measure the diameter of the grinding wheel 14 by driving the sliding table three 11 to move up and down in the Z axis direction.

As shown in fig. 3, 7, 8, 9, and 10, the diameter measuring mechanism 9 includes a mounting base 32, a standard piece 41 having a standard outer diameter is provided on the mounting base 32, an axial center of the standard piece 41 is parallel to the Z axis, and the standard piece 41 and the mounting base 32 can slide relatively in the Z axis direction.

In order to replace the standard part 41 conveniently, the fixing seat 34 is arranged on the mounting seat 32, the fixing seat 34 and the mounting seat 32 can slide relatively in the Z-axis direction, the standard part 41 is detachably connected to the fixing seat 34, and when the grinding wheels 14 with different initial diameters need to be measured, the standard part 41 with the standard outer circle diameter can be arranged on the fixing seat 34, so that the adaptability of the standard part 41 is higher.

Preferably, the standard member 41 is fixedly connected to the fixing base 34 by screws. In addition, the fixing base 34 can be provided with a positioning column 39, the standard part 41 is provided with a positioning hole 40 corresponding to the positioning column 39, and the positioning hole 40 on the standard part 41 is inserted into the positioning column 39, so that the standard part 41 can be connected to the fixing base 34 more stably.

Specifically, the mounting seat 32 is detachably connected with two supporting blocks 33 arranged vertically, preferably, the two supporting blocks 33 are fixed on the mounting seat 32 through screws, two sliding rods one 31 arranged in the Z-axis direction are arranged between the two supporting blocks 33, two ends of each sliding rod one 31 are respectively connected with the supporting blocks 33 on two sides, and the fixing seat 34 is sleeved on the two sliding rods one 31 and slides along the Z-axis direction.

In addition, a reset piece 30 is arranged between the standard piece 41 and the mounting seat 32, the reset piece 30 can drive the standard piece 41 to slide relative to the mounting seat 32, preferably, the reset piece 30 is a reset spring, the two sliding rods 31 are both sleeved with the reset spring, the reset spring is arranged between the fixed seat 34 and the supporting block 33, and the elastic restoring force of the reset spring drives the fixed seat 34 to slide upwards along the Z-axis direction and presses the fixed seat 34 on the supporting block 33 above.

Be equipped with two card feet 27 that can open and shut in the synchronous slip on mount pad 32, further, the bottom of mount pad 32 is equipped with base 35, and two card feet 27 set up on base 35 and can open and shut in the synchronous slip. The base 35 is used for mounting the clip 27 and has one of the support blocks 33 as described above.

Specifically, the base 35 is provided with a mounting long groove 42, the length extending direction of the mounting long groove 42 is parallel to the Y-axis direction, a second sliding rod 38 arranged in the Y-axis direction is arranged in the mounting long groove 42, the tail parts of the two clamping legs 27 are respectively provided with a sliding part 36, the width of the sliding part 36 is equal to the width of the mounting long groove 42, and the sliding part 36 is sleeved on the second sliding rod 38 and can slide along the Y-axis direction.

Preferably, the opening and closing directions of the two locking legs 27 are parallel to the Y-axis direction, and the Y-axis direction is perpendicular to the Z-axis direction.

When not measuring, the measuring points of the two catches 27 are respectively in contact with both sides of the outer wall of the standard 41 as reference positions of the catches 27.

Specifically, the two clamping legs 27 are connected with the elastic member 37, preferably, the elastic member 37 is a spring, the spring is sleeved on the second sliding rod 38, the number of the springs is two, the two springs are respectively located outside the sliding portions 36 of the two clamping legs 27, the elastic forces of the two springs respectively act on the sliding portions 36 of the two clamping legs 27, so that the two clamping legs 27 have a tendency of approaching to the middle, the two clamping legs 27 are located on two sides of the standard 41, and the two springs can enable the measuring points of the two clamping legs 27 to approach to the middle and contact with two sides of the outer wall of the standard 41.

The clamping feet 27 are connected with a measuring instrument 43, the measuring instrument 43 is fixed on one clamping foot 27, a measuring head of the measuring instrument 43 is abutted against the other clamping foot 27, the measuring instrument 43 is used for sensing the distance change between the two clamping feet 27, the measuring instrument 43 is electrically connected with the controller, when the clamping feet 27 slide, the measuring instrument 43 senses the distance change value between the two clamping feet 27 and transmits a signal to the controller, and preferably, the measuring instrument 43 comprises a displacement sensor, such as an EDL displacement sensor with the brand name of Mick micrometering and the model number of EDL 05-01.

When the size of the outer circle diameter of the grinding wheel 14 needs to be detected, because the axis of the grinding wheel 14 is a fixed value, the coordinate of the grinding wheel 14 can be determined, the standard part 41 is moved to the axis to be coaxial with the grinding wheel 14, the elastic part 37 drives the two clamping feet 27 to synchronously slide towards the middle, so that the measuring points of the two clamping feet 27 are in contact with the two sides of the outer wall of the standard part 41, at this time, the measuring instrument 43 senses the position of the clamping feet 27 and takes the position as a zero point, the grinding wheel 14 moves downwards in the Z-axis direction, the grinding wheel 14 can be abutted against the standard part 41 in the downward movement process, so that the standard part 41 and the mounting seat 32 relatively slide, after the standard part 41 and the mounting seat 32 relatively slide, the measuring points of the two clamping feet 27 move from the outer walls of the two sides of the standard part 41 to the outer walls of the two sides of the grinding wheel 14, because the outer circle diameter has a size difference with the outer circle diameter of the standard part 41 after the grinding wheel 14 is used, the two clamping feet 27 synchronously slide to open and close to make the two measuring points respectively in contact with the outer walls of the two sides of the grinding wheel 14, the measuring instrument 43 senses a variation value of the distance between the two clamping feet 27 and transmits a signal to the controller, the detected variation value of the distance between the two clamping feet 27 is used as a difference value between the outer circle diameter of the standard part 41 and the outer circle diameter of the grinding wheel 14 in the Y-axis direction, and the outer circle diameter of the standard part 41 is known, so that the size of the outer circle diameter of the grinding wheel 14 at the moment can be obtained through the outer circle diameter of the standard part 41 and the difference value.

Preferably, the standard part 41 and the grinding wheel 14 are made of the same material, so that the measurement result is not influenced by the material and is more accurate.

In addition, the first guide edge 28 is provided on the clamping foot 27, and when the standard component 41 and the mounting seat 32 slide relatively in the Z-axis direction, the clamping foot 27 enters the grinding wheel 14 through the standard component 41 along the first guide edge 28.

After the measurement is finished, the grinding wheel 14 is lifted upwards and moves away from the standard part 41, the reset part 30 acts on the fixed seat 34, so that the fixed seat 34 moves upwards in the Z-axis direction relative to the mounting seat 32, the fixed seat 34 drives the standard part 41 to move relative to the mounting seat 32, the fixed seat 34 is propped against the upper supporting block 33 again, at this time, the measuring points of the two clamping feet 27 move back to the outer wall of the standard part 41 again, and the measuring points of the two clamping feet 27 are in contact with two sides of the outer wall of the standard part 41 again.

In addition, the second guide edge 29 is arranged on the clamping pin 27, when the resetting piece 30 drives the standard component 41 to slide and reset relative to the mounting seat 32, the clamping pin 27 enables the measuring point to be contacted with the outer wall of the standard component 41 again along the second guide edge 29, and the second guide edge 29 enables the clamping pin 27 to move back to the standard component 41 more easily without being clamped.

The diameter of the grinding wheel 14 is measured by the diameter measuring mechanism 9 and a signal is transmitted to the controller, which controls the wheel truing mechanism to move to a position opposite to the grinding wheel 14 and trues the grinding wheel 14 in such a manner that each grinding wheel 14 is trued, and the grinding wheel 14 after being worn can be trued by the wheel truing mechanism so that the diameter of each grinding wheel 14 is maintained the same again.

In relation to the position of the diameter measuring mechanism 9, we have another scheme that the diameter measuring mechanism 9 is arranged on the sliding table four 5.

Preferably, the controller is the same as a numerical control system on an existing numerically controlled coordinate grinding machine, such as a PLC control module.

The efficient machining multi-grinding-head numerical control coordinate grinding machine provided by the utility model is described in detail, specific examples are applied in the description to explain the principle and the implementation mode of the utility model, and the description of the examples is only used for helping to understand the utility model and the core idea. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims (10)

1. The high-efficiency processing multi-grinding-head numerical control coordinate grinding machine comprises a machine body, a grinding mechanism and a controller, wherein a first sliding table moving in the X-axis direction is arranged on the machine body in a sliding manner, the first sliding table is driven to move by an X-axis driving mechanism, a second sliding table used for driving the grinding mechanism to move in the Y-axis direction and a third sliding table used for driving the grinding mechanism to move in the Z-axis direction are also arranged on the machine body, the second sliding table is driven to move by the Y-axis driving mechanism, and the third sliding table is driven to move by a Z-axis driving mechanism, and the high-efficiency processing multi-grinding-head numerical control coordinate grinding machine is characterized in that the grinding mechanism comprises a plurality of main shafts, each main shaft is connected with a grinding wheel used for grinding a workpiece, the diameters of the grinding wheels are the same, the axes of the grinding wheels are parallel, the axis Z-axis of the grinding wheel is axially arranged, a clamping part corresponding to the grinding wheel is arranged above the clamping part,

the grinding wheel trimming mechanism is characterized in that a fourth sliding table moving in the Y-axis direction is slidably mounted on the first sliding table, a Y-axis driving mechanism II for driving the fourth sliding table to move is arranged on the first sliding table, a grinding wheel trimming mechanism for trimming a grinding wheel is arranged on the fourth sliding table, a diameter measuring mechanism for detecting the diameter of the grinding wheel is further arranged on the first sliding table, the diameter measuring mechanism measures the diameter of the grinding wheel and transmits a signal to the controller, and the controller controls the grinding wheel trimming mechanism to trim the grinding wheel.

2. A high-efficiency machining multi-grinding-head numerical control coordinate grinding machine as claimed in claim 1, characterized in that the grinding wheel dressing mechanism comprises a driving motor and a dressing wheel, the dressing wheel is fixed on an output shaft of the driving motor, and a rotation center Z of the dressing wheel is arranged in the axial direction.

3. A high-efficiency machining multi-grinding-head numerically controlled coordinate grinding machine as claimed in claim 1, wherein the grinding wheels are arranged in a line.

4. A high efficiency machine tool multi-grinding head cnc coordinate grinding machine as recited in claim 1 wherein each grinding wheel is arranged in an annular array.

5. The high-efficiency machining multi-grinding-head numerical control coordinate grinding machine as claimed in claim 1, wherein the clamping component comprises a clamping table fixed on the first sliding table and a movable clamping block slidably mounted on the clamping table, the clamping table comprises a front fixed block, a rear fixed block and a cross beam connected between the front fixed block and the rear fixed block, the movable clamping block is slidably mounted on the cross beam, a space is reserved between the cross beam and the table top of the first sliding table, the movable clamping block and the front fixed block are combined to form a clamp opening capable of being opened and closed, and a locking component is arranged on the movable clamping block and used for locking the movable clamping block on the cross beam.

6. The high-efficiency machining multi-grinding-head numerical control coordinate grinding machine as claimed in claim 5, wherein the bottom of the cross beam is symmetrically provided with a plurality of pairs of concave grooves, the locking assembly comprises a clamping rod and a clamping hanger, the clamping hanger is in an inverted T shape with a transverse part and a vertical part, the vertical part of the clamping hanger is in threaded connection with the clamping rod, two ends of the transverse part of the clamping hanger are located in the grooves on two sides, and the clamping rod is matched with the clamping hanger to clamp and fix the movable clamping block and the cross beam.

7. An efficient machining multi-grinding-head numerical control coordinate grinding machine as recited in claim 1, wherein one grinding wheel corresponds to one clamping member, and the distance between the axes of the two grinding wheels is equal to the distance between the clamping centers of the corresponding two clamping members.

8. The high-efficiency machining multi-grinding-head numerically controlled coordinate grinding machine according to claim 1, wherein the diameter measuring mechanism is provided on the fourth slide table.

9. The high-efficiency machining multi-grinding-head numerical control coordinate grinding machine according to claim 1, characterized in that a fifth sliding table which moves in the Y-axis direction is slidably mounted on the first sliding table, a third Y-axis driving mechanism which drives the fifth sliding table to move is arranged on the first sliding table, and a diameter measuring mechanism is arranged on the fifth sliding table.

10. The high-efficiency machining multi-grinding-head numerical control coordinate grinding machine as claimed in claim 1, 8 or 9, characterized in that the diameter measuring mechanism comprises a mounting seat, a standard part with standard excircle dimension is arranged on the mounting seat, the axis of the standard part is parallel to the Z axis, two clamping feet capable of opening and closing synchronously in a sliding manner are arranged on the mounting seat, the clamping feet are connected with the measuring instrument, measuring points of the two clamping feet are respectively in contact with the outer walls of two sides of the standard part, the standard part and the mounting seat can slide relatively in the Z axis direction, the standard part is connected with a resetting part, when the standard part moves to the axis coaxial with the grinding wheel, the standard part and the mounting seat slide relatively, so that the two clamping feet enter the grinding wheel through the standard part to detect the difference value of the standard part and the grinding wheel in the Y axis direction.

Images