CN214980055U - Grinding equipment - Google Patents

Abstract

The utility model relates to a grinding equipment for processing hard and brittle bar, including frame, loading attachment, clamp material device and grinding device all set up in the frame, clamp material device includes centre gripping frame, preceding centre gripping subassembly and back centre gripping rotating assembly, preceding centre gripping subassembly with back centre gripping rotating assembly sets up the below of centre gripping frame, the last distance sensor that is provided with of grinding device, the distance sensor orientation on the clamp material device the side of hard and brittle bar sets up, distance sensor passes through the slide mechanism setting and is in grinding device is last. Different from the prior art, the utility model can detect whether the side surface of the hard and brittle bar is parallel to the grinding surface of the grinding device, which is convenient for the processing of the grinding device; the distance sensor can be protected, and the phenomenon that the distance sensor is out of work or damaged due to abraded scraps is avoided.

Description

Grinding equipment

Technical Field

The utility model relates to a technical field of hard and brittle bar processing, in particular to grinding equipment.

Background

In the prior art, the traditional processing mode of the processing process of the square cutting, the surface grinding and the round corner of the hard and brittle bar stock at home and abroad is three independent processes, namely the whole processing process of the single crystal silicon rod is completed by respectively adopting three different equipment circulations. In actual operation, the line squaring machine generally needs to adopt a viscose mode to perform squaring treatment on the hard and brittle bars at the same time, then the squared hard and brittle bars are subjected to fillet grinding by a cylindrical grinding machine alone, and finally the bars are sent to a plane grinding machine for surface grinding and polishing.

More information about the above solution can also be found in the following documents:

in the patent of chinese utility model with the granted publication number CN 206578672U, a full-automatic processing device for monocrystalline silicon grinding and rounding integrated machine is disclosed. The full-automatic monocrystalline silicon grinding and chamfering integrated machine processing equipment comprises an underframe, a cutting and grinding workbench, a centering device, a coarse grinding power head, a fine grinding power head and a size detection unit. The utility model can fully automatically carry out the grinding and rounding processing of the crystal bar in one device without transferring between different devices, and can effectively shorten the flow of the crystal bar; meanwhile, the grinding power head adopts symmetrical layout, and double-side processing is carried out at the same time, so that the processing efficiency is improved in multiples.

In the patent of chinese utility model with an authorization publication number of CN 212528283U, the present invention relates to a cutting and running mechanism for a circular wire saw, comprising a frame, a cutting unit for the circular wire saw and a lifting unit; the annular wire saw cutting unit comprises a wire saw cutting assembly and a linkage frame, wherein the wire saw cutting assembly comprises a main driving assembly, a tensioning assembly and an annular cutting line, the main driving assembly comprises a main driving motor and a main driving wheel, the main driving wheel is in transmission connection with the main driving motor, the tensioning assembly comprises a tensioning wheel, a tensioning main shaft, a tensioning bearing seat, a swinging arm rotating shaft, a swinging arm bearing seat, a tensioning arm and a tensioning motor, the tensioning wheel is sleeved on the side wall of the tensioning bearing seat, the tensioning bearing seat is sleeved outside the tensioning main shaft, one end of the swinging arm is fixed with the tensioning main shaft, the other end of the swinging arm is fixed with the swinging arm rotating shaft, and the swinging arm bearing seat is sleeved outside the swinging arm rotating shaft, and the tensioning motor is connected with the swinging arm rotating shaft through the tensioning arm.

In the process of implementing the present invention, the inventor finds the following problems in the prior art:

in the prior art, a distance sensor is not arranged on a grinding device, so that whether the side surface of the hard and brittle bar material is parallel to the grinding surface of the grinding device or not can not be guaranteed during grinding, and when the side surface of the hard and brittle bar material is parallel to the grinding surface of the grinding device, the grinding amount is the minimum. And the existing distance sensor is generally exposed outside, and when a grinding device grinds the side surface of a hard and brittle bar, ground scraps are easy to fly onto the distance sensor, so that the distance sensor is invalid and even damaged.

SUMMERY OF THE UTILITY MODEL

Therefore, a grinding device is needed to be provided for solving the technical problem that when grinding cannot be guaranteed in the prior art, whether the side surface of the hard and brittle bar material is parallel to the grinding surface of the grinding device or not easily causes the distance sensor to be invalid and damaged.

In order to achieve the aim, the inventor provides grinding equipment for processing hard and brittle bars, which comprises a machine frame, a feeding device, a clamping device and a grinding device,

the feeding device, the clamping device and the grinding device are all arranged on the rack, the feeding device is used for feeding the hard and brittle bar materials, the clamping device is used for clamping the hard and brittle bar materials, and the grinding device is used for grinding the hard and brittle bar materials;

the material clamping device comprises a clamping rack, a front clamping component and a rear clamping rotating component, the front clamping component and the rear clamping rotating component are arranged below the clamping rack, the front clamping component and the rear clamping rotating component are oppositely arranged, a space for clamping the hard and brittle bar material is reserved between the front clamping component and the rear clamping rotating component, the rear clamping rotating component is configured to clamp the hard and brittle bar material with the front clamping component, so that the hard and brittle bar material is suspended and clamped below the clamping rack, and the hard and brittle bar material can rotate around the axial direction;

the grinding device is provided with a distance sensor, the distance sensor faces the side face of the hard and brittle bar on the material clamping device, the distance sensor is used for detecting whether the side face of the hard and brittle bar on the material clamping device is parallel to the grinding face of the grinding device or not, and the distance sensor is arranged on the grinding device through a sliding mechanism.

Different from the prior art, the technical scheme can detect any three points on the side surface of the hard and brittle bar material through the distance sensor arranged on the grinding device, so that a plane is formed, and whether the side surface of the hard and brittle bar material is parallel to the grinding surface of the grinding device or not is obtained; because the grinding surface of the grinding device is vertical to the horizontal plane, when the side surface of the hard and brittle bar stock is parallel to the grinding surface of the grinding device, the grinding amount is minimum, and the processing of the grinding device is convenient. Secondly, because the distance sensor is arranged on the grinding device through the sliding mechanism, when the grinding device grinds and processes the side surface of the hard and brittle bar, the distance sensor can be retracted through the sliding mechanism, the distance sensor is protected, and the phenomenon that the distance sensor fails or is damaged due to grinded chips is avoided.

As an embodiment of the utility model, be provided with more than three on the grinding device distance sensor, three more distance sensor sets up along vertical direction, more than three distance sensor mutually supports and is used for detecting whether the side of hard and brittle bar is parallel to each other with grinding device's the face of polishing.

So, set up along vertical direction through more than three distance sensor, three point constitutes a face, can accelerate detection speed, has detected through calculating, just can obtain whether the side of hard and brittle bar is parallel to each other with grinding device's the face of polishing for efficiency.

As an embodiment of the utility model, the grinding equipment still includes the controller, the controller is connected and is controlled back centre gripping rotating assembly, the controller is used for receiving more than three distance sensor's signal, and according to more than three distance sensor transmits's signal control back centre gripping rotating assembly, back centre gripping rotating assembly still is used for rotating hard and brittle bar.

Therefore, the distance sensors detect the side position information of the hard and brittle bar material, whether the side of the hard and brittle bar material is parallel to the grinding surface of the grinding device or not is obtained, if the side of the hard and brittle bar material is not parallel to the grinding surface of the grinding device, the controller controls the rear clamping rotating assembly to rotate the hard and brittle bar material until the side of the hard and brittle bar material is parallel to the grinding surface of the grinding device or the side of the hard and brittle bar material is close to and perpendicular to the horizontal plane, and the processing amount of the grinding device can be effectively reduced.

As an embodiment of the present invention, the sliding mechanism includes a sliding block and a sliding driving unit, a sliding rail is provided on the grinding device, three or more distance sensors are provided on the sliding block, the sliding block is provided on the sliding rail, and can be followed by the relative sliding of the extending direction of the sliding rail, the sliding driving unit is used for driving the sliding block to follow the relative sliding of the extending direction of the sliding rail.

Therefore, more than three distance sensors are arranged on the sliding slide block, and the sliding driving unit is used for driving the sliding slide block to relatively slide along the extending direction of the sliding slide rail; when the distance sensor needs to be measured, more than three distance sensors are extended out, and before the grinding device carries out grinding processing, more than three distance sensors are retracted to protect the more than three distance sensors, so that the failure and damage of the distance sensors are avoided to be reduced at least.

As an embodiment of the present invention, the sliding mechanism further includes a position sensor, the position sensor is used for detecting the position of the sliding block, and will the position signal of the sliding block is sent to the controller, the controller is connected to and controls the sliding driving unit, the controller is further used for receiving the position signal transmitted by the position sensor, and according to the position signal transmitted by the position sensor controls the sliding driving unit.

Therefore, the position of the sliding slide block can be detected through the position sensor, the detection is finished, and the controller controls the sliding driving unit to realize the accurate control of the position of the sliding slide block.

As an embodiment of the utility model, preceding centre gripping subassembly through rotate with the one end of hard and brittle bar contacts, back centre gripping rotating assembly through rotate with the other end of hard and brittle bar contacts, back centre gripping rotating assembly is used for the drive hard and brittle bar is rotatory around the axial.

So, when processing hard and brittle bar material, have two grinding device to process respectively in the both sides of hard and brittle bar material, process the both sides of hard and brittle bar material after, can carry out 90 rotations to hard and brittle bar material through the cooperation of back centre gripping rotating assembly and rotation piece to can process another two sides of hard and brittle bar material, at this moment, can process four sides of hard and brittle bar material altogether.

As an implementation mode of the present invention, the material clamping device further includes an upper frame, the clamping frame is disposed on the upper frame, and the clamping frame can slide relatively along an extending direction of the upper frame;

the clamping device comprises an upper frame, a clamping frame and a sliding driving unit, wherein a transmission screw rod is arranged on the upper frame, a nut matched with the transmission screw rod is arranged on the clamping frame, and the sliding driving unit is in transmission connection with the transmission screw rod and is used for driving the clamping frame to move relatively on the upper frame.

Therefore, the clamping rack can be arranged on the rack through the upper rack, so that the height of the clamping rack is increased; can rotate the transmission lead screw through the slip drive unit to realize the removal of centre gripping frame in last frame, conveniently control the position of centre gripping frame, the slip drive unit specifically is driving motor, can the rotation of accurate control transmission lead screw, thereby the position of accurate control centre gripping frame.

As an embodiment of the utility model, the grinding device includes mount, lifting means, first grinding subassembly and second grinding subassembly, first grinding subassembly with second grinding subassembly sets up in the mount, first grinding subassembly with second grinding subassembly sets up along the direction of processing, wherein, lifting means is used for the drive first grinding subassembly with second grinding subassembly is along the ascending removal in vertical side.

So, drive first grinding subassembly and second grinding subassembly simultaneously through the lifting means and upwards, move down, can be suitable for the not hard and brittle bar stock of unidimensional, convenient to use.

As an embodiment of the utility model, the lifting assembly is including promoting drive unit and promotion platform, first grinding subassembly with second grinding subassembly all sets up promote on the platform, it sets up to promote drive unit on the mount, promote drive unit's output with it connects to promote the platform transmission, and is used for the drive it follows vertical direction relative movement to promote the platform.

So, can reciprocate along vertical direction through promoting drive unit drive lift platform to drive first grinding subassembly and second grinding subassembly up-and-down motion, realize the stable lift of lifting means.

As an embodiment of the utility model, promote the subassembly and still include drive unit and lifting screw, promote be provided with on the platform with lifting screw matched with internal thread hole, lifting screw passes the internal thread hole with it connects to promote the platform transmission, it passes through to promote drive unit with lifting screw rotates and connects.

Therefore, the lead screw is driven to rotate by the lifting driving unit, so that the lifting platform can be driven to move up and down, and the position of the lifting platform can be accurately controlled.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for a person skilled in the art to obtain other drawings based on the drawings without any creative effort.

FIG. 1 is a schematic three-dimensional view of a grinding apparatus according to an embodiment of the present application;

FIG. 2 is a schematic three-dimensional view of a grinding apparatus according to an embodiment of the present application;

FIG. 3 is a front view of a grinding apparatus according to one embodiment of the present application;

FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;

FIG. 5 is a side view of a grinding apparatus according to one embodiment of the present application;

FIG. 6 is a block circuit diagram of a grinding apparatus according to an embodiment of the present application;

FIG. 7 is a schematic three-dimensional view of a grinding apparatus according to another embodiment of the present application;

FIG. 8 is a front view of a grinding apparatus according to another embodiment of the present application;

FIG. 9 is a side view of a grinding apparatus according to another embodiment of the present application;

FIG. 10 is a top view of a grinding apparatus according to another embodiment of the present application;

FIG. 11 is a schematic three-dimensional structure of an upper frame according to an embodiment of the present application;

FIG. 12 is a schematic three-dimensional view of a material loading device according to an embodiment of the present application;

fig. 13 is a front view of a clamping device according to an embodiment of the present application.

Description of reference numerals:

4. a feeding device is arranged on the base plate,

5. a machine frame, a plurality of guide rails and a plurality of guide rails,

6. a material clamping device is arranged on the upper portion of the frame,

61. a clamping frame is arranged on the upper portion of the frame,

611. a weight-reducing hole is arranged on the upper surface of the steel pipe,

62. a front clamping component which is arranged at the front end of the frame,

63. the back clamping rotating component is arranged on the back side of the clamping rotating component,

631. a clamping end is arranged at the bottom of the clamping groove,

64. a rotating member which is rotatable relative to the housing,

65. the upper part of the frame is provided with a frame,

651. a transmission screw rod is arranged on the transmission screw rod,

652. a slide rail is arranged on the base plate,

7. a grinding device is arranged on the grinding machine,

71. a fixed frame is arranged on the upper portion of the frame,

72. the lifting component is used for lifting the lifting component,

721. a lifting drive unit for lifting the movable part of the frame,

722. the platform is lifted up, and the lifting platform is lifted up,

7221. the guide rail is lifted up and the guide rail is lifted up,

7222. the sliding block is lifted up, and the sliding block is lifted up,

723. the transmission unit is used for transmitting the power to the motor,

7231. a speed reducer is lifted up and the speed reducer is lifted up,

7232. a shaft coupling is arranged on the upper end of the shaft,

724. a lifting screw rod is arranged on the lifting screw rod,

73. a first grinding assembly for grinding the workpiece to be ground,

731. a first cutter head is arranged on the cutter head,

732. a grinding driving unit for driving the grinding machine to grind,

733. a translation driving unit for driving the translation of the object,

734. the guide rail is moved in a translation way,

735. the sliding block is moved in a horizontal direction,

736. a bearing seat is arranged on the bearing seat,

74. a second grinding assembly for grinding the workpiece to be ground,

741. a second cutter head is arranged on the first cutter head,

75. a distance sensor for detecting the distance between the two electrodes,

76. a sliding mechanism is arranged on the base plate,

761. the sliding block is arranged on the sliding block,

762. a slide driving unit for driving the slide plate,

763. the sliding rail is arranged on the sliding rail,

764. a position sensor for detecting the position of the object,

77. a controller for controlling the operation of the electronic device,

8. hard and brittle bar stock.

Detailed Description

To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.

In the description of the present application, unless explicitly stated or limited otherwise, the terms "first", "second", and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless specified or indicated otherwise; the terms "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, integrally connected, or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described with reference to the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.

In the prior art, the traditional processing mode of the processing process of the square cutting, the surface grinding and the round corner of the hard and brittle bar stock at home and abroad is three independent processes, namely the whole processing process of the single crystal silicon rod is completed by respectively adopting three different equipment circulations. In actual operation, the line squaring machine generally needs to adopt a viscose mode to perform squaring treatment on the hard and brittle bars at the same time, then the squared hard and brittle bars are subjected to fillet grinding by a cylindrical grinding machine alone, and finally the bars are sent to a plane grinding machine for surface grinding and polishing.

In the present embodiment, the direction indicated by the arrow x is the direction of feeding and retracting the grinding device 7, or the direction indicated by the arrow x is the direction of sliding the sliding mechanism 76 to extend and retract; in the figure, the direction indicated by the arrow y is the length direction of the hard and brittle bar stock, or the direction indicated by the arrow y is the moving direction of the material clamping device 6; the direction indicated by the arrow x and the direction indicated by the arrow y form a horizontal plane, and the direction indicated by the arrow z is a vertical direction.

Referring to fig. 1 and fig. 2, the present embodiment relates to a grinding apparatus, which includes a frame 5, a feeding device 4, a clamping device 6, and a grinding device 7, wherein the frame 5 may be a base, a support, or other embodiments. The feeding device 4 is arranged on the rack 5, and the feeding device 4 is used for feeding and blanking the hard and brittle bar stock; the material clamping device 6 is arranged on the rack 5, and the material clamping device 6 is used for clamping the hard and brittle bar; the hard and brittle bar stock is arranged on the frame 5; the grinding device 7 is used for processing the hard and brittle bar stock and grinding the surface of the hard and brittle bar stock.

The material clamping device 6 comprises a clamping rack 61, a front clamping assembly 62 and a rear clamping rotating assembly 63, the front clamping assembly 62 and the rear clamping rotating assembly 63 are arranged below the clamping rack 61, the front clamping assembly 62 and the rear clamping rotating assembly 63 are arranged oppositely, a space for clamping the hard and brittle bar 8 is reserved between the front clamping assembly 62 and the rear clamping rotating assembly 63, the rear clamping rotating assembly 63 is configured to clamp the hard and brittle bar 8 with the front clamping assembly 62, so that the hard and brittle bar 8 is suspended and clamped below the clamping rack 61, and the hard and brittle bar 8 can rotate around the axial direction;

the grinding device 7 is provided with a distance sensor 75, the distance sensor 75 is arranged towards the side surface of the hard and brittle bar 8 on the clamping device, the distance sensor 75 is used for detecting whether the side surface of the hard and brittle bar 8 on the clamping device 6 is parallel to the grinding surface of the grinding device, and the distance sensor 75 is arranged on the grinding device 7 through a sliding mechanism 76.

In the embodiment, the surface to be ground and the plane of the grinding head can be ensured to be parallel to each other or perpendicular to the axis of the grinding head. In the embodiment, the grinding surface of the grinding device is perpendicular to the horizontal plane, and the hard and brittle bar 8 is preferably perpendicular to the horizontal plane or nearly perpendicular to the horizontal plane.

Different from the prior art, the technical scheme can detect any three points on the side surface of the hard and brittle bar 8 through the distance sensor 75 arranged on the grinding device, so that a plane is formed, and whether the side surface of the hard and brittle bar 8 is parallel to the grinding surface of the grinding device or not is obtained; since the grinding surface of the grinding device 7 is perpendicular to the horizontal plane, when the side surface of the brittle bar 8 and the grinding surface of the grinding device are parallel to each other, the grinding amount is minimized, and the processing by the grinding device 7 is facilitated. Secondly, because the distance sensor 75 is arranged on the grinding device 7 through the sliding mechanism 76, when the grinding device 7 grinds the side surface of the hard and brittle bar 8, the distance sensor 75 can be retracted through the sliding mechanism 76, so that the distance sensor 75 is protected, and the distance sensor 75 is prevented from being damaged or being damaged due to the grinded chips.

In this embodiment, the grinding surface of the grinding device is perpendicular to the horizontal plane.

Referring to fig. 2 to 5, the grinding device is provided with more than three distance sensors 75, the more than three distance sensors 75 are arranged along the vertical direction, and the more than three distance sensors 75 are matched with each other to detect whether the side surface of the hard and brittle bar material is parallel to the grinding surface of the grinding device.

So, set up along vertical direction through more than three distance sensor 75, three point constitutes a face, can accelerate detection speed, detects and has accomplished through calculating, just can obtain whether the side of hard and brittle bar is parallel to each other with grinding device's the face of polishing for efficiency.

In some embodiments, the sliding mechanism 76 includes a sliding slider 761 and a sliding driving unit 762, a sliding slide 763 is provided on the grinding apparatus, three or more distance sensors 75 are provided on the sliding slider 761, the sliding slider 761 is provided on the sliding slide 763 and can relatively slide along an extending direction of the sliding slide 763, and the sliding driving unit 762 is configured to drive the sliding slider 761 to relatively slide along the extending direction of the sliding slide 763.

Thus, three or more distance sensors 75 are provided on the slide slider 761, and the slide driving unit 762 is configured to drive the slide slider 761 to slide relatively along the extending direction of the slide rail 763; when the measurement is needed, more than three distance sensors 75 are extended out, and before the grinding device carries out grinding processing, more than three distance sensors 75 are retracted, so that more than three distance sensors 75 are protected, and the phenomenon that at least the distance sensors 75 are out of work and damaged is avoided.

In some embodiments, referring to fig. 6, the grinding apparatus further comprises a controller 77, the controller 77 is connected to and controls the rear clamping rotating assembly 63, the controller 77 is configured to receive signals from three or more distance sensors 75 and control the rear clamping rotating assembly 63 according to the signals transmitted from the three or more distance sensors 75, and the rear clamping rotating assembly 63 is further configured to rotate the brittle bar stock 8.

In this way, the position information of the side surface of the brittle and hard bar material is detected by three or more distance sensors 75, whether the side surface of the brittle and hard bar material 8 is parallel to the grinding surface of the grinding device or not is obtained, and if the side surface of the brittle and hard bar material 8 is not parallel to the grinding surface of the grinding device, the controller 77 controls the rear clamping rotating assembly 63 to rotate the brittle and hard bar material 8 until the side surface of the brittle and hard bar material 8 is parallel to the grinding surface of the grinding device or the side surface of the brittle and hard bar material 8 is close to being perpendicular to the horizontal plane, so that the processing amount of the grinding device 7 can be effectively reduced.

In some embodiments, the sliding mechanism 76 further includes a position sensor 764, the position sensor 764 is configured to detect a position of the sliding slider 761 and send a position signal of the sliding slider 761 to the controller 77, the controller 77 is connected to and controls the sliding driving unit 762, and the controller 77 is further configured to receive the position signal transmitted by the position sensor 764 and control the sliding driving unit 762 according to the position signal transmitted by the position sensor 764.

Thus, the position of the slide block 761 can be detected by the position sensor 764, and the controller 77 controls the slide driving unit 762 to precisely control the position of the slide block 761.

Referring to fig. 7 to 10, the embodiment relates to a grinding device 7 for processing a hard and brittle bar material, which includes a fixing frame 71, a lifting assembly 72, a first grinding assembly 73 and a second grinding assembly 74, wherein the first grinding assembly 73 and the second grinding assembly 74 are disposed in the fixing frame 71, the first grinding assembly 73 and the second grinding assembly 74 are disposed along a processing direction, and the lifting assembly 72 is configured to drive the first grinding assembly 73 and the second grinding assembly 74 to move along a vertical direction (as indicated by a z arrow in the figure).

In the present embodiment, the first grinding assembly 73 and the second grinding assembly 74 are arranged along the machining direction, and the lifting assembly 72 is used for driving the first grinding assembly 73 and the second grinding assembly 74 to move along the vertical direction (the direction indicated by the arrow z in the figure). Therefore, the lifting assembly 72 drives the first grinding assembly 73 and the second grinding assembly 74 to move upwards and downwards simultaneously, so that the device is suitable for hard and brittle bars with different sizes, and is convenient to use.

In some embodiments, the machining accuracy of first grinding assembly 73 is less than the machining accuracy of second grinding assembly 74; therefore, the first grinding assembly 73 is used for rough grinding, the second grinding assembly 74 is used for fine grinding, and the finish grinding is carried out after the rough grinding, so that the processing of the hard and brittle bar stock is convenient.

In some embodiments, as shown in fig. 7 and 8, the lifting assembly 72 includes a lifting driving unit 721 and a lifting platform 722, the first grinding assembly 73 and the second grinding assembly 74 are disposed on the lifting platform 722, the lifting driving unit 721 is disposed on the fixing frame 71, and an output end of the lifting driving unit 721 is in transmission connection with the lifting platform 722 and is used for driving the lifting platform 722 to move relatively along a vertical direction (as indicated by an arrow z in the figure). In this way, the lifting driving unit 721 can drive the lifting platform 722 to move up and down along the vertical direction (the direction indicated by the arrow z in the figure), so as to drive the first grinding assembly 73 and the second grinding assembly 74 to move up and down, thereby realizing stable lifting of the lifting assembly 72.

In some embodiments, the lifting assembly 72 further includes a transmission unit 723 and a lifting screw rod 724, the lifting platform 722 is provided with an internal threaded hole matching with the lifting screw rod 724, the lifting screw rod 724 passes through the internal threaded hole to be in transmission connection with the lifting platform 722, and the lifting driving unit 721 is rotatably connected with the lifting screw rod 724 through the transmission unit 723. In this way, the lifting driving unit 721 drives the screw rod to rotate, so as to drive the lifting platform 722 to move up and down, and precisely control the position of the lifting platform 722.

In some embodiments, the transmission unit 723 includes a lifting speed reducer 7231 and a coupling 7232, the lifting driving unit 721 is a lifting motor, the lifting driving unit 721 is in transmission connection with the lifting speed reducer 7231, and the lifting speed reducer 7231 is in transmission connection with a lifting screw 724 through the coupling 7232. So, reduce the rotational speed that promotes the motor through promoting speed reducer 7231, obtain great moment of torsion, hoist lead screw 724 is passed power to rethread shaft coupling 7232 to drive hoist lead screw 724's rotation, shaft coupling 7232 plays the effect of stable connection.

In some embodiments, the fixed frame 71 is provided with a lifting rail 7221, the lifting platform 722 is disposed in a vertical direction, the lifting platform 722 is matched with the lifting rail 7221 through a lifting slider 7222, and the lifting platform 722 can move relatively along the extending direction of the lifting rail 7221. In this manner, lift platform 722 may be stably positioned on lift rails 7221 via lift blocks 7222, and lift rails 7221 may be configured to limit movement of lift platform 722 in other directions.

In some embodiments, one lift rail 7221 is provided at each end of mount 71. So, both ends through mount 71 all are provided with a lift rail 7221, and lift platform 722 cooperatees with two lift rails 7221 through the promotion slider 7222 at both ends, improve the stability that lift platform 722 reciprocated.

In some embodiments, as shown in fig. 8 to 9, the first grinding assembly 73 includes a first tool pan 731, a grinding driving unit 732, and a translation driving unit 733, the grinding driving unit 732 is configured to drive the first tool pan 731 to rotate so as to grind the hard and brittle bar stock, the lifting platform 722 is provided with a translation guide 734, the grinding driving unit 732 and the first tool pan 731 are disposed on the translation guide 734 through a translation slider 735, and the translation driving unit 733 is configured to drive the first tool pan 731 to approach or move away from the hard and brittle bar stock in a horizontal direction.

In this way, the grinding driving unit 732 drives the first cutter 731 to rotate, so as to grind the hard and brittle bar, wherein the first cutter 731 is rough grinding; the grinding driving unit 732 and the first cutter head 731 are arranged on the translation guide rail 734 through a translation slider 735, and the translation driving unit 733 can drive the first cutter head 731 and the grinding driving unit 732 to feed or retract along the direction indicated by the arrow x in the figure, so that the processing of the hard and brittle bar stock is realized.

In some embodiments, the second grinding assembly 74 includes a second cutterhead 741, a grinding driving unit 732 and a translation driving unit 733, the grinding driving unit 732 is configured to drive the second cutterhead 741 to rotate so as to grind the hard and brittle bar stock, the lifting platform 722 is provided with a translation guide rail 734, the grinding driving unit 732 and the second cutterhead 741 are disposed on the translation guide rail 734 through a translation slider 735, and the translation driving unit 733 is configured to drive the second cutterhead 741 to approach or depart from the hard and brittle bar stock in the horizontal direction.

In this embodiment, the first cutter 731 and the second cutter 741 are respectively disposed on the lifting platform 722 through the bearing housing 736.

In this way, the grinding driving unit 732 drives the second cutter 741 to rotate, so as to grind the hard and brittle bar stock, wherein the second cutter 741 is used for fine grinding; the grinding driving unit 732 and the second cutter 741 are disposed on the translation guide rail 734 through the translation slider 735, and the translation driving unit 733 may drive the second cutter 741 and the grinding driving unit 732 to advance or retract along a direction indicated by an arrow x in the drawing, so as to machine the hard and brittle bar material.

In some embodiments, the first cutter plate 731 and the second cutter plate 741 can be driven to advance or retract by means of a rack and pinion or a telescopic oil cylinder, and the same can be achieved by means of a motor-driven screw rod.

In this embodiment, in the use process of the grinding device 7, the first grinding assembly 73 and the second grinding assembly 74 are installed on the lifting platform 722, the feeding device 4 processes the hard and brittle bar material, the clamping device 6 clamps the hard and brittle bar material, the left side and the right side of the hard and brittle bar material are simultaneously processed by the grinding devices 7 on the left side and the right side of the hard and brittle bar material, and the positions of the first grinding assembly 73 and the second grinding assembly 74 are adjusted according to the height of the hard and brittle bar material, so that the first grinding assembly 73 and the second grinding assembly 74 can process hard and brittle bar materials with different heights.

Referring to fig. 11 to 13, the present embodiment relates to a material clamping device 6 for clamping a hard and brittle bar 8, which includes a clamping frame 61, a front clamping assembly 62 and a rear clamping rotation assembly 63, wherein the front clamping assembly 62 and the rear clamping rotation assembly 63 are disposed below the clamping frame 61, the front clamping assembly 62 and the rear clamping rotation assembly 63 are disposed opposite to each other, and a space for clamping the hard and brittle bar 8 is left between the front clamping assembly 62 and the rear clamping rotation assembly 63; the rear clamping rotating assembly 63 is configured to clamp the hard and brittle bar 8 with the front clamping assembly 62, so that the hard and brittle bar 8 is suspended and clamped below the clamping frame 61, and the hard and brittle bar 8 can rotate around the axial direction.

In the embodiment, the front clamping assembly 62 and the rear clamping rotating assembly 63 are arranged below the clamping frame 61, and the rear clamping rotating assembly 63 is configured to clamp the hard and brittle bar 8 with the front clamping assembly 62, so that the hard and brittle bar 8 is clamped below the clamping frame 61 in a suspended manner, and the hard and brittle bar 8 can rotate around the axial direction. Therefore, the clamping rack 61 is arranged above the hard and brittle bar 8, the interference of the clamping rack 61 with the coarse grinding power head and the fine grinding power head is avoided, and the hard and brittle bar 8 can be conveniently processed by the coarse grinding power head and the fine grinding power head.

In some embodiments, the clamping device further includes an upper frame 65, the clamping frame 61 is disposed on the upper frame 65, and the clamping frame 61 can slide relatively along the extending direction of the upper frame 65. In this embodiment, the upper frame 65 is disposed on the rack, and the upper frame 65 is detachably disposed on the rack, so that the upper frame 65 is convenient to mount and transport. Thus, the clamp frame 61 can be disposed on the frame through the upper frame 65, and the height of the clamp frame 61 is increased.

In some embodiments, the upper frame 65 is provided with a driving screw 651, the clamping frame 61 is provided with a nut engaged with the driving screw 651, and the clamping device further includes a sliding driving unit 762 (not shown), wherein the sliding driving unit 762 is drivingly connected to the driving screw 651 and is configured to drive the clamping frame 61 to move relative to the upper frame 65. So, can rotate transmission lead screw 651 through slide driving unit 762 to realize the removal of centre gripping frame 61 on last frame 65, conveniently control the position of centre gripping frame 61, slide driving unit 762 specifically is driving motor, can the rotation of accurate control transmission lead screw 651, thereby the position of accurate control centre gripping frame 61.

In other embodiments, the sliding driving unit 762 may drive the clamping frame 61 to move on the upper frame 65 by means of a rack-and-pinion or telescopic cylinder, which is within the scope of the present embodiment.

In some embodiments, referring to fig. 11, two parallel sliding rails 652 are disposed on the upper frame 65, and two sides of the clamping frame 61 are disposed on the sliding rails 652 through sliding blocks, respectively. Thus, the two sides of the clamping frame 61 are respectively arranged on the sliding rails 652 through the two sliding blocks, and the two sides can stably and relatively move along the extending direction of the sliding rails 652 on the clamping frame 61.

In some embodiments, referring to fig. 12, the clamping frame 61 is provided with more than two lightening holes 611. Thus, the weight of the clamp frame 61 can be reduced by the lightening holes 611.

In some embodiments, referring to fig. 13, the front clamping assembly 62 contacts one end of the brittle bar 8 through the rotating member 64, the rear clamping rotating assembly 63 contacts the other end of the brittle bar 8 through the rotating member 64, and the rear clamping rotating assembly 63 is used for driving the brittle bar 8 to rotate around the axial direction. Thus, when the hard and brittle bar 8 is processed, two grinding devices 7 are respectively used for processing two sides of the hard and brittle bar 8, after the two sides of the hard and brittle bar 8 are processed, the hard and brittle bar 8 can be rotated by 90 degrees through the matching of the rear clamping rotating assembly 63 and the rotating member 64, so that the other two surfaces of the hard and brittle bar 8 can be processed, and at the moment, the four surfaces of the hard and brittle bar 8 can be processed.

In some embodiments, front clamp assembly 62 and/or rear clamp rotation assembly 63 may slide back and forth along the bottom of clamp frame 61. In this way, the brittle bar 8 can be clamped by sliding the front clamping assembly 62 and/or the rear clamping rotating assembly 63 back and forth on the bottom of the clamping frame 61.

In some embodiments, the rear clamping rotation assembly 63 includes a clamping end 631 and a clamping drive unit for driving the clamping end 631 closer to or away from the front clamping assembly 62 to clamp the hard and brittle bar stock 8. Thus, in this embodiment, the front clamping assembly 62 and the rear clamping rotating assembly 63 are fixed at the bottom of the clamping frame 61, and are not fixed, and the clamping driving unit can drive the clamping end 631 to extend and retract, so as to clamp the hard and brittle bar 8.

In this embodiment, in the use process of the clamping device 6, the hard and brittle bar 8 is transported to the lower part of the clamping device 6 through the feeding device 4, and the clamping device 6 clamps the hard and brittle bar 8 through the rear clamping rotating assembly 63, after clamping is completed; the sliding driving unit 762 drives the clamping rack 61 to move on the upper rack 65, and the grinding device 7 processes two surfaces of the hard and brittle bar 8; after the processing is completed, the sliding driving unit 762 drives the clamping rack 61 to move backwards, the rear clamping rotating assembly 63 drives the hard and brittle bar 8 to rotate 90 degrees around the axial direction, the clamping rack 61 continues to move forwards, the grinding device 7 processes the other two surfaces of the hard and brittle bar 8, and after the processing is completed, the clamping device 6 places the hard and brittle bar 8 on the material receiving mechanism of the feeding device 4.

In the using process, the feeding device 4 feeds the hard and brittle bar 8, and the clamping device 6 clamps the hard and brittle bar 8; before the grinding device 7 processes the hard and brittle bar 8, the distance sensor 75 extends out through the sliding mechanism 76, any three points of the side surface of the hard and brittle bar 8 are detected, and whether the side surface of the hard and brittle bar 8 is parallel to the grinding surface of the grinding device or not is determined; if the side of the brittle and hard bar material 75 is not perpendicular to the horizontal plane, the rear clamping rotating assembly is controlled by the controller 77 to rotate the brittle and hard bar material until the side of the brittle and hard bar material is parallel to the grinding surface of the grinding device or the side of the brittle and hard bar material is approximately perpendicular to the horizontal plane. The distance sensor 75 is retracted through the sliding mechanism 76, the grinding device 7 processes the hard and brittle bar 8, and after the processing is finished, the hard and brittle bar is rotated through the clamping rotating assembly to process the other two surfaces of the hard and brittle bar 8; the distance sensor 75 is also needed to process two surfaces, any three points of the side surface of the hard and brittle bar 8 are detected, and the steps are repeated, so that the processing of four surfaces of the hard and brittle bar 8 is finally completed.

Different from the prior art, in the embodiment, any three points on the side surface of the hard and brittle bar material can be detected by the distance sensor 75 arranged on the grinding device, so that a plane is formed, and whether the side surface of the hard and brittle bar material is parallel to the grinding surface of the grinding device or not is obtained; because the grinding surface of the grinding device is vertical to the horizontal plane, when the side surface of the hard and brittle bar stock is parallel to the grinding surface of the grinding device, the grinding amount is minimum, and the processing of the grinding device is convenient. Secondly, because the distance sensor 75 is arranged on the grinding device through the sliding mechanism 76, when the grinding device grinds the side surface of the hard and brittle bar, the distance sensor 75 can be retracted through the sliding mechanism 76, so that the distance sensor 75 is protected, and the distance sensor 75 is prevented from being damaged or being out of work due to grinded chips.

It should be noted that, although the above embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concept of the present invention, the changes and modifications of the embodiments described herein, or the equivalent structure or equivalent process changes made by the contents of the specification and the drawings of the present invention, directly or indirectly apply the above technical solutions to other related technical fields, all included in the scope of the present invention.

Claims (10)

1. A grinding device is used for processing hard and brittle bars and is characterized by comprising a frame, a feeding device, a clamping device and a grinding device,

the feeding device, the clamping device and the grinding device are all arranged on the rack, the feeding device is used for feeding the hard and brittle bar materials, the clamping device is used for clamping the hard and brittle bar materials, and the grinding device is used for grinding the hard and brittle bar materials;

the material clamping device comprises a clamping rack, a front clamping component and a rear clamping rotating component, the front clamping component and the rear clamping rotating component are arranged below the clamping rack, the front clamping component and the rear clamping rotating component are oppositely arranged, a space for clamping the hard and brittle bar material is reserved between the front clamping component and the rear clamping rotating component, the rear clamping rotating component is configured to clamp the hard and brittle bar material with the front clamping component, so that the hard and brittle bar material is suspended and clamped below the clamping rack, and the hard and brittle bar material can rotate around the axial direction;

the grinding device is provided with a distance sensor, the distance sensor faces the side face of the hard and brittle bar on the material clamping device, the distance sensor is used for detecting whether the side face of the hard and brittle bar on the material clamping device is parallel to the grinding face of the grinding device or not, and the distance sensor is arranged on the grinding device through a sliding mechanism.

2. The grinding apparatus according to claim 1, wherein the grinding device is provided with more than three distance sensors, the more than three distance sensors are arranged along a vertical direction, and the more than three distance sensors are matched with each other to detect whether the side surface of the hard and brittle bar stock is parallel to the grinding surface of the grinding device.

3. The grinding apparatus of claim 2 further comprising a controller connected to and controlling the rear clamping rotating assembly, the controller being configured to receive signals from three or more of the distance sensors and to control the rear clamping rotating assembly based on the signals from the three or more of the distance sensors, the rear clamping rotating assembly being further configured to rotate the brittle and hard bar stock.

4. The grinding apparatus according to claim 3, wherein the slide mechanism includes a slide block on which a slide rail is provided, and a slide drive unit for driving the slide block to relatively slide in an extending direction of the slide rail, three or more distance sensors being provided on the slide block, the slide block being provided on the slide rail and being relatively slidable in the extending direction of the slide rail.

5. The grinding apparatus according to claim 4, wherein the slide mechanism further comprises a position sensor for detecting a position of the slide block and transmitting a position signal of the slide block to the controller, the controller being connected to and controlling the slide driving unit, the controller being further configured to receive the position signal transmitted from the position sensor and to control the slide driving unit according to the position signal transmitted from the position sensor.

6. The grinding apparatus of claim 1 wherein the front clamping assembly contacts one end of the bar through a rotatable member and the rear clamping rotation assembly contacts the other end of the bar through a rotatable member, the rear clamping rotation assembly being configured to drive the bar to rotate axially.

7. The grinding apparatus according to claim 1, wherein the material clamping device further comprises an upper frame, the clamping frame is arranged on the upper frame, and the clamping frames can slide relatively along the extending direction of the upper frame;

the clamping device comprises an upper frame, a clamping frame and a sliding driving unit, wherein a transmission screw rod is arranged on the upper frame, a nut matched with the transmission screw rod is arranged on the clamping frame, and the sliding driving unit is in transmission connection with the transmission screw rod and is used for driving the clamping frame to move relatively on the upper frame.

8. The grinding apparatus of claim 1, wherein the grinding device includes a mount, a lifting assembly, a first grinding assembly, and a second grinding assembly, the first and second grinding assemblies being disposed within the mount, the first and second grinding assemblies being disposed in a machine direction, wherein the lifting assembly is configured to drive movement of the first and second grinding assemblies in a vertical direction.

9. The grinding apparatus of claim 8, wherein the lifting assembly comprises a lifting drive unit and a lifting platform, the first grinding assembly and the second grinding assembly are both disposed on the lifting platform, the lifting drive unit is disposed on the fixed frame, and an output end of the lifting drive unit is in transmission connection with the lifting platform and is used for driving the lifting platform to move relatively in a vertical direction.

10. The grinding apparatus according to claim 9, wherein the lifting assembly further comprises a transmission unit and a lifting screw, the lifting platform is provided with an internal threaded hole matched with the lifting screw, the lifting screw passes through the internal threaded hole to be in transmission connection with the lifting platform, and the lifting driving unit is in rotational connection with the lifting screw through the transmission unit.

Images