CN213970645U - Grinding tool trimming device - Google Patents
Grinding tool trimming device Download PDFInfo
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- CN213970645U CN213970645U CN202023117421.2U CN202023117421U CN213970645U CN 213970645 U CN213970645 U CN 213970645U CN 202023117421 U CN202023117421 U CN 202023117421U CN 213970645 U CN213970645 U CN 213970645U
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Abstract
The utility model relates to a grinding tool dressing device, which comprises a frame and a scroll, wherein the scroll is rotatably arranged on the frame and is used for winding an annular grinding silk thread to move; the supporting wheel is rotatably arranged on the frame, and the rotating axis of the supporting wheel is parallel to the rotating axis of the reel; when the grinding device is used, part of the annular grinding silk thread is wound on the reel and bypasses the supporting wheel, at least one of the supporting wheel and the reel is provided with a driving mechanism for driving the rotation so as to realize the circular operation of the annular grinding silk thread, a processing position is arranged on the motion path of the grinding silk thread, and the grinding silk thread carries out finishing processing on the grinding tool at the processing position. The grinding tool trimming device is provided with the grinding silk thread, the grinding silk thread is made of the electroplating grinding silk plated with the superhard grinding material or the silicon carbide grinding material on the heat-resistant metal silk, in the working process, the scroll rotates to drive the silk thread to move to grind the grinding tool to be trimmed, the diameter of the silk thread is small, and high-precision processing can be realized.
Description
Technical Field
The utility model relates to a grinding apparatus trimming device.
Background
The grinding tool applied to the field of precision mechanical grinding can be divided into the following parts according to the classification of binding agents: ceramic bond grinding tools, resin bond grinding tools, metal bond grinding tools, electroplating grinding tools and the like, wherein the grinding tools are usually used for processing the molded surface of the grinding tool in the production process. Taking a resin bond grinding tool as an example, as shown in fig. 1, the resin bond grinding tool comprises a grinding wheel base body 1 and a grinding part 2, the grinding part 2 comprises a resin bond and an abrasive, and when the grinding tool is dressed, equipment such as an external grinding machine, a grinding wheel dressing machine or a tool grinding machine is mostly adopted in the industry at the present stage, and the grinding tool is processed by a grinding wheel and a grinding wheel grinding method, such as grinding by using a diamond roller, a common green silicon carbide grinding wheel, a white corundum grinding wheel and the like, or physical scouring and crushing by using a free abrasive. These methods can finish the outer circle or end face of the grinding wheel of the resin bonded grinding tool, but the above methods have the following problems for finishing the complex arc profile 3 of the resin bonded grinding tool as shown in fig. 1:
firstly, physical counter-grinding easily causes deformation of a finishing tool, so that the finishing precision is extremely low, and the requirement of machining and finishing on the dimensional precision cannot be met;
secondly, if the resin bonding agent has high strength and high hardness, the dressing grinding wheel is hard to touch the resin bonding agent grinding tool, which belongs to destructive dressing, and the condition that the resin bonding agent grinding tool cannot be repaired easily occurs, or the condition that the dressing grinding wheel and the dressed resin bonding agent grinding tool are burnt out due to sparks in the dressing process;
thirdly, the requirements on the rigidity and the main shaft rotating speed of the finishing equipment are high.
Therefore, a new grinding wheel dressing apparatus is required to achieve effective and high-precision dressing of such grinding tools by a new dressing method.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a grinding apparatus trimming device to solve prior art and can't carry out the technical problem of the processing of the big trimming volume of effective and high accuracy on the profile of grinding apparatus.
The utility model discloses a grinding apparatus trimming device adopts following technical scheme:
a grinding tool dressing device comprises a rack, wherein a reel is rotatably arranged on the rack and can be driven to rotate by a corresponding driving device, and the reel is used for winding and driving a corresponding annular grinding silk thread to move; the supporting wheel is rotatably arranged on the frame, and the rotating axis of the supporting wheel is parallel to the rotating axis of the reel; when the device is used, the parts of the annular grinding silk threads which sequentially pass by are wound on the reel, the supporting wheel and the reel, and the circular motion of the annular grinding silk threads is realized through the rotation of the reel; at least one of the supporting wheel and the reel is provided with a driving mechanism for driving the supporting wheel and the reel to rotate so as to realize the circular operation of the annular grinding silk thread; and a processing position is arranged on the motion path of the grinding wire, and the grinding wire carries out finishing processing on the grinding tool at the processing position.
The beneficial effects are that: the grinding tool trimming device is provided with the grinding silk thread, the grinding silk thread is made of electroplating grinding silk plated with superhard grinding materials or silicon carbide grinding materials on heat-resistant metal silk, in the working process, the scroll rotates to drive the silk thread to move to grind a grinding tool to be trimmed, the diameter of the silk thread is small, and high-precision processing can be achieved.
Further, the grinding tool dressing device further comprises a heating device, wherein the heating device is arranged at the upstream of the processing position, and the heating device is arranged on the machine frame and can heat the grinding wire to the temperature for carbonizing the resin bonding agent.
The beneficial effects are that: the silk thread can be heated to high temperature state by heating device when the heating device, and the silk thread of high temperature state contacts with resin binder grinding apparatus at the processing position, and the resin binder of resin binder grinding apparatus carbonizes in the twinkling of an eye when meetting high temperature and loses intensity and hardness for the grinding silk thread can easily grind off the resin binder and the abrasive material of grinding apparatus, and in the course of working, can realize dressing to resin binder grinding apparatus high accuracy through selecting for use the electroplating abrasive material silk of different size granularities.
Furthermore, the winding shaft is provided with at least three winding grooves at intervals along the axial direction, one winding groove is used for winding a rough grinding wire for roughly processing the resin bond grinding tool, the other winding groove is used for winding a fine grinding wire for finely processing the resin bond grinding tool, the other winding groove is used for winding an ultra-fine grinding wire for ultra-fine grinding the resin bond grinding tool, correspondingly, the supporting wheel is provided with the same number of wire grooves along the axial direction of the supporting wheel, and the heating device only heats the rough grinding wire and the fine grinding wire.
The beneficial effects are that: the grinding tool trimming device can be simultaneously provided with three different grinding silk threads, and the trimmed resin bonding agent grinding tool is moved to be sequentially contacted with the rough grinding silk threads, the fine grinding silk threads and the ultra-fine trimming silk threads, so that the high-precision trimming of the resin bonding agent grinding tool can be completed under the condition of not stopping the machine and replacing the silk threads, and the resin bonding agent grinding tool is ensured to have higher working efficiency and trimming precision.
Further, the rough grinding wire and the fine grinding wire share one heating device, and the heating device is connected with a temperature control system to control the heating temperature of the heating device in the rough machining stage and the fine machining stage.
The beneficial effects are that: the rough grinding wire and the fine grinding wire share one heating device, so that the structure of the resin binder trimming device is simplified.
Further, the heating device is a heating cylinder, and the rough grinding wire and the fine grinding wire simultaneously pass through a central hole of the heating cylinder.
The beneficial effects are that: the heating range of the heating device can be strictly controlled by adopting the heating cylinder, and the influence on the strength and the toughness of the ultra-precision grinding wire can be avoided due to the heating of the ultra-precision grinding wire.
Further, the grinding tool dressing device further comprises a cooling device arranged at the downstream of the working position and used for carrying out liquid cooling on the heated grinding wire.
The beneficial effects are that: the grinding silk thread is cooled in time, and the influence on precision caused by deformation of the grinding silk thread under the high-temperature condition for a long time is avoided.
Furthermore, the cooling device is a spraying cooling device with a spraying cooling system, and the spraying system sprays cooling liquid to the grinding silk thread to cool the grinding silk thread.
The beneficial effects are that: the grinding silk thread can be rapidly cooled by spraying the cooling liquid.
Further, the cooling device also comprises a cooling wheel, the cooling wheel is rotatably mounted on the frame, the wheel surface of the cooling wheel is in contact fit with the heated grinding wire, and the spraying system can spray cooling liquid onto the cooling wheel to form a cooling liquid film on the wheel surface of the cooling wheel.
The beneficial effects are that: and a cooling liquid film is formed on the cooling wheel, so that the cooling liquid is fully contacted with the grinding silk thread, and the grinding silk thread is fully cooled.
Furthermore, the supporting wheels comprise a first supporting wheel and a second supporting wheel which are oppositely arranged up and down, the central connecting lines of the reel, the first supporting wheel and the second supporting wheel are arranged in a triangular shape, and the grinding wire moving path between the first supporting wheel and the second supporting wheel forms the machining position.
The beneficial effects are that: the grinding silk thread is in the vertical motion of processing position, and is in the one side of the spool of dorsad, is convenient for place the resin binder emery wheel of processing in the processing position, improves the convenience that grinding apparatus trimming device used.
Further, the supporting wheel is of a double-layer structure and comprises a base body made of heat-resistant metal and a wear-resistant heat-resistant layer located on the outer side of the base body.
The beneficial effects are that: the thermal spraying coating has high strength and wear resistance coefficient, and can form a smooth surface, thereby avoiding mutual abrasion between the grinding silk thread and the supporting wheel after long-term contact and ensuring the diameter precision of the grinding silk thread.
Drawings
FIG. 1 is a schematic structural view of a complex arc surface machined on a molded surface of a resin bond grinding tool;
FIG. 2 is a diagram showing an operating state of an embodiment 1 of the trimming apparatus for a medium abrasive tool according to the present invention;
fig. 3 is a schematic structural view of a reel wound with a grinding wire according to embodiment 1 of the present invention;
FIG. 4 is a schematic structural view of the processing amount of each layer of the resin bond abrasive tool;
the names of the components corresponding to the corresponding reference numerals in the drawings are:
1-grinding wheel base body; 2-grinding the part; 3-arc surface; 4-a reel; 5-a first support wheel; 6-a second support wheel; 7-a third support wheel; 8-a fourth support wheel; 9-resin bond abrasive tool; 10-a tension wheel; 11-heating the cylinder; 12-a winding slot; 13-roughly grinding the silk thread; 14-fine grinding the wire; 15-ultra-finishing the ground thread; 17-a spray head; 18-a cooling wheel; 19-a rough layer; 20-finishing layer; and 21-finishing the processing layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that relational terms such as the terms first and second, and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the recitation of "comprising an … …" may occur without the exclusion of additional like elements present in the process, method, article, or apparatus that comprises the element.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" when they are used are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.
In the description of the present invention, unless otherwise explicitly specified or limited, the term "provided" may be used in a broad sense, for example, the object of "provided" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or a non-detachable connection. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.
The present invention will be described in further detail with reference to examples.
The utility model discloses the corresponding grinding silk thread of cooperation carries out the grinding to the grinding apparatus and repaiies when well grinding apparatus trimming device specifically uses.
The utility model discloses well grinding apparatus trimming device's embodiment 1, in this embodiment to it is right as the example to maintain the resin bond grinding apparatus the utility model discloses well grinding apparatus trimming device's structure and usage are introduced:
in this embodiment, the grinding tool dressing apparatus is configured with three grinding wires for dressing the grinding tool, the three grinding wires are a rough grinding wire, an ultra-fine grinding wire and a fine grinding wire, wherein the rough grinding wire is used for rough machining of the resin bond grinding tool, the fine grinding wire is used for fine machining of the resin bond grinding tool, and the ultra-fine grinding wire is used for ultra-fine machining of the resin bond grinding tool, so that the resin bond grinding tool is dressed with high precision through three steps of rough machining, fine machining and ultra-fine machining, and the specific structure and the working mode are as follows:
as shown in fig. 2, the grinding tool dressing device includes a reel 4 (not shown) rotatably mounted on a frame, the reel 4 is in transmission connection with a corresponding driving device, and is driven by the driving device to rotate, in this embodiment, the reel is driven by a servo motor at a speed of 60-120 rpm. As for the specific structure of the reel 4, as shown in fig. 3, three annular winding grooves 12 are opened on the outer peripheral surface of the reel 4 in the axial extending direction of the reel 4, the left winding groove 12 is used for winding the rough grinding wire 13, the middle winding groove 12 is used for winding the finish grinding wire 14, and the right winding groove 12 is used for winding the finish grinding wire 15. In combination with practical circumstances, the diameter of the reel may be 300-450 mm. In this embodiment, the diameter of the reel is 450 mm.
In order to improve the safety level of the grinding tool dressing device, as a further optimization, a wire barrel (not shown in the figure) is further arranged outside the winding shaft 4, is fixed relative to the frame and corresponds to each grinding silk thread, and a thread passing hole is correspondingly formed in the wire barrel so that the grinding silk thread can pass through the wire barrel. In combination with practical circumstances, the diameter of the wire barrel may be 350-500 mm. In this embodiment, the diameter of the wire barrel is 500 mm.
The supporting wheel is further rotatably mounted on the rack, the rotating axis of the supporting wheel is parallel to that of the reel 4, three wire grooves which are arranged at intervals are formed in the outer peripheral surface of the supporting wheel along the extending direction of the axis of the supporting wheel and correspond to the reel 4, and the cross sections of the wire grooves are arc-shaped so as to achieve the restraint on the position of the grinding silk thread.
In this embodiment, as shown in fig. 2, four supporting wheels, namely a first supporting wheel 5, a second supporting wheel 6, a third supporting wheel 7 and a fourth supporting wheel 8, are rotatably mounted on the frame, wherein the first supporting wheel 5 and the second supporting wheel 6 are arranged at an interval from top to bottom, the reel 2 is located on the left side of the second supporting wheel 6 and is arranged at an interval with the second supporting wheel 6, and a central connecting line of the reel 2, the first supporting wheel 5 and the second supporting wheel 6 is triangular. In combination with practical conditions, the diameter of the supporting wheel can be 100-350mm, and the thickness can be 30-300 mm. Regarding the structure of the supporting wheel, in this embodiment, the supporting wheel is a double-layer structure, and has a substrate made of heat-resistant stainless steel and a wear-resistant heat-resistant layer located outside the substrate, in this embodiment, the wear-resistant heat-resistant layer is a thermal coating sprayed on the substrate by thermal spraying, the thermal coating may be ceramic or hard alloy, in this embodiment, the thermal spraying layer is made of nano ceramic, and can remain undeformed at 800 ℃, so that the wheel surface of the supporting wheel has the characteristics of high temperature resistance, wear resistance and smoothness, in other embodiments, the wear-resistant heat-resistant layer may also be a ring sleeve which is sleeved on the substrate and is supported by a wear-resistant heat-resistant material. In this embodiment, the diameter of the supporting wheel is 350mm, and the thickness is 250 mm. In this embodiment, a corresponding driving motor is also provided for the supporting wheel, so that the supporting wheel and the reel are used as a driving wheel to drive the grinding silk thread to move.
The third supporting wheel 7 is positioned at the upper side of the scroll 4, the fourth supporting wheel 8 is positioned between the first supporting wheel 5 and the third supporting wheel 7, and the first supporting wheel 5, the third supporting wheel 7 and the fourth supporting wheel 8 are arranged at the same height. When the grinding device is used, a grinding silk thread is wound on the reel 4, specifically, the grinding silk thread is wound on the outer sides of the reel 4, the third supporting wheel 7, the fourth supporting wheel 8, the first supporting wheel 5 and the second supporting wheel 6 in sequence, and redundant parts are wound on the reel 4 and are wound side by side in a single layer. In this way, when the reel 4 is driven in rotation by the respective drive means, it is possible to effect unwinding of the grinding wire, which moves along the path of movement and simultaneously completes winding on the reel 4.
The path of movement of the grinding wire between the first support wheel 5 and the second support wheel 6 is the machining station, as shown in fig. 2, where the dressed resin bond abrasive tool 9 is brought into contact with the grinding wire for the dressing process.
In order to ensure that the grinding wire can be in a tensioned state, a tensioning wheel 10 is further optimally arranged between the third supporting wheel 7 and the fourth supporting wheel 8, the tensioning wheel 10 is adjustable in vertical position and is rotatably mounted on the machine frame, and the tightness of the grinding wire can be adjusted by adjusting the height of the tensioning wheel 10. In this embodiment, the tensioner 10 is a manual tensioner, so that the operator can manually adjust its position.
The utility model discloses well grinding apparatus trimming device's theory of operation makes its carbonization lose intensity and hardness with the heating of resin binder to conveniently grind off the working load that will get rid of from the profile of resin binder grinding apparatus, consequently, the utility model provides a still be provided with heating device on the grinding apparatus trimming device, in this embodiment, heating device is for setting up cartridge heater 11 between first supporting wheel 5 and fourth supporting wheel 8, and cartridge heater 11 comprises the heating rod of ceramic material barrel and inside setting, and the power of every heating rod can be 300~700W, and specific optional thermocouple ceramic heating rod or thermocouple metal heating rod, each heating rod is connected with intelligent temperature control system, in order to realize the control to heating rod heating temperature. In combination with practical situations, the heating cylinder can have a diameter of 80-200mm and a length of 200-400mm, and is internally filled with 4-10 heating rods. The temperature control system controls the heating temperature range of the heating device to be 0-800 ℃. In this example, the heating cylinder has a diameter of 200mm and a length of 400mm, and 7 300W heating rods are built in the heating cylinder.
The rough grinding wires 13 are relatively thick electroplating abrasive wires, the fine grinding wires 14 are relatively thin electroplating abrasive wires, the electroplating abrasive wires may be CBN electroplating wires or silicon carbide electroplating wires, and the metal wires used for the electroplating abrasive wires need to be capable of bearing high temperature and maintain high strength at high temperature, such as tungsten wires, molybdenum wires or iron-nickel-cobalt alloy wires, and the like, and the heat-resistant temperature of the metal wires is more than 1000 ℃. The rough grinding wire 13 can be CBN electroplated wire with the granularity of 60# -120# and the diameter of 0.2-0.6mm, the fine grinding wire 14 can be silicon carbide electroplated wire with the granularity of 200# -400# and the diameter of 0.15-0.45mm, and the ultra-fine grinding wire 15 can be one of high-strength nylon wire, polyacrylonitrile fiber wire and basalt fiber wire and the diameter of 0.05-0.1 mm. In this example, the rough grinding wire is a CBN plated wire having a diameter of 0.2mm and a grain size of 80#, the rough grinding wire is a silicon carbide plated wire having a diameter of 0.15mm and a grain size of 240#, and the finish grinding wire is a high-strength nylon wire having a diameter of 0.08 mm.
The rough grinding wire 13 and the fine grinding wire 14 are passed through the heating cylinder 11 and heated by the heating cylinder. The super-finishing grinding wire 15 does not need to be heated, and therefore, the super-finishing grinding wire 15 does not pass through the heating cylinder 11.
Preferably, the grinding tool dressing apparatus further comprises a cooling device disposed downstream of the machining station, and in particular, the cooling device is disposed between the second support wheel 6 and the reel 4, the cooling device has a spraying system, the spraying system sprays cooling liquid to the grinding wire through a nozzle 17, in this embodiment, the cooling device further comprises a cooling wheel 18 disposed corresponding to the spraying system, and the wheel surface of the cooling wheel 18 is in contact engagement with the rough grinding wire 13 and the finish grinding wire 14. Specifically, two groups of cooling wheel sets are arranged along the motion direction of the grinding silk threads, each group of cooling wheel set comprises an upper cooling wheel 18 and a lower cooling wheel 18 which are oppositely arranged, a spraying system can spray cooling liquid on the cooling wheels 18, and the cooling liquid forms a liquid film on the cooling wheels 18, so that the rough grinding silk threads 13 and the fine grinding silk threads 14 can be fully contacted with the cooling liquid to realize efficient cooling. Of course, in other embodiments, on the premise of satisfying the cooling rate for the rough grinding wire and the fine grinding wire, only one set of cooling wheel set may be provided, or of course, the cooling wheel set may not be provided, and the cooling wheel may be provided only on the lower side of the grinding wire or only on the upper side of the grinding wire. In this embodiment, the cooling wheel is an alumina ceramic wheel with a diameter of 100-200 mm.
During operation, the trimmed resin binder grinding tool is installed on the corresponding fixing device, the fixing device can drive the trimmed resin binder grinding tool to rotate and move quantitatively to change positions, and the fixing device can be an industrial robot arm provided with a motor for driving the resin binder grinding tool to rotate, or a corresponding fixing device can be arranged by referring to a tool apron quantitatively-moving structure of a numerical control machine tool. And (3) finishing the installation of the corresponding grinding silk thread on the grinding tool finishing device, starting the grinding tool finishing device, and rotating the finished grinding wheel at the speed of 5-10 m/s, wherein the rotating direction of the grinding wheel is opposite to that of the grinding silk thread. Heating the rough grinding wire 13 to 600 ℃ through a heating device, roughly processing the resin bond grinding tool, wherein the high-temperature rough grinding wire 13 is in contact with the resin bond grinding tool in the process, the resin bond of the resin bond grinding tool is carbonized instantly to lose strength and hardness, the carbonized resin bond of the resin bond grinding tool and the corresponding grinding material of the rough processing layer 19 can be removed through the rough grinding wire 13, as shown in figure 4, after the rough processing is finished, the rotating speed of the trimmed resin bond is reduced to between 3m/s and 6m/s, the trimmed resin bond grinding tool is moved to the position corresponding to the fine grinding wire 14, the heating temperature of the heating device is controlled through a control system, the fine grinding wire 14 is heated to 500 ℃ through 400-, and removing the finish machining layer 20, after finish machining is finished, moving the trimmed resin bonding agent grinding tool to a position corresponding to the finish grinding thread, controlling the rotating speed of the trimmed resin bonding agent grinding tool to be between 8m/s and 10m/s, performing finish machining on the trimmed resin bonding agent grinding tool, removing small pits and burrs existing after the first two portions of trimming, and removing the finish machining layer 21 to finish high-precision machining on the resin bonding agent grinding tool.
The utility model provides an abrasive tool trimming device's embodiment 2, this embodiment and embodiment 1's difference lie in, set up three wire winding groove on the spool in embodiment 1, install three kinds of grinding silk threads simultaneously on abrasive tool trimming device, and in this embodiment, do not set up the recess on the spool, correspondingly, only set up a wire casing on the supporting wheel, during the use, every completion a process, it can to change the used grinding silk thread of next process.
The utility model provides an embodiment 3 of grinding apparatus trimming device, this embodiment and embodiment 1's difference lie in, in this embodiment, only set up a supporting wheel, and the supporting wheel is arranged from top to bottom with the spool, and heating device sets up the upper reaches at the supporting wheel, and processing position and cooling device set up the low reaches at the supporting wheel.
The utility model provides an embodiment 4 of grinding apparatus trimming device, this embodiment and embodiment 1's difference lie in, in this embodiment, cooling device is the cooling container of splendid attire coolant liquid, and the cooling container setting corresponds the cooling container and sets up the fabric wheel at grinding silk thread downside, presses grinding silk thread to make the grinding silk thread dip in the coolant liquid through the fabric wheel and realizes the cooling.
The utility model provides an embodiment 5 of grinding apparatus trimming device, this embodiment and embodiment 1's difference lie in, in this embodiment, correspond respectively to rough grinding silk thread and finish grinding silk thread and set up heating device.
The embodiment 6 of the trimming apparatus for grinding tools of the present invention is different from the embodiment 1 in that the heating apparatus is an induction heating coil in the present embodiment.
The utility model provides an embodiment 7 of grinding apparatus trimming device, this embodiment and embodiment 1's difference lie in, and in this embodiment, grinding apparatus trimming device itself does not contain the drive arrangement of drive spool and supporting wheel motion, and during the use, to the corresponding drive arrangement of spool and supporting wheel configuration can.
The utility model provides an embodiment 8 of grinding apparatus trimming device, this embodiment and embodiment 1's difference lie in, and in this embodiment, grinding apparatus trimming device does not include heating device, utilizes the device to maintain ceramic bond and metal bond grinding apparatus.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An abrasive dressing apparatus, comprising:
a frame;
the reel (4) is rotatably arranged on the frame and is used for winding the annular grinding silk yarn to move;
the supporting wheel is rotatably arranged on the frame, and the rotating axis of the supporting wheel is parallel to that of the reel;
when in use, the annular part of the grinding silk thread is wound on the reel (4) and bypasses the supporting wheel;
at least one of the supporting wheel and the reel is provided with a driving mechanism for driving the supporting wheel and the reel to rotate so as to realize the circular operation of the annular grinding silk thread;
and a processing position is arranged on the motion path of the grinding wire, and the grinding wire carries out finishing processing on the grinding tool at the processing position.
2. The abrasive finishing device of claim 1 further comprising a heating device upstream of the processing station, the heating device being disposed on the frame and capable of heating the grinding wire to a temperature to carbonize the resin bond.
3. The grinding tool dressing device according to claim 2, wherein the winding shaft (4) is provided with at least three winding grooves (12) at intervals along the axial direction thereof, one winding groove (12) is used for winding a rough grinding wire (13) for rough machining of the resin bond grinding tool, one winding groove (12) is used for winding a fine grinding wire (14) for fine machining of the resin bond grinding tool, one winding groove (12) is used for winding a fine grinding wire (15) for fine grinding of the resin bond grinding tool, correspondingly, the supporting wheel is provided with the same number of wire grooves along the axial direction thereof, and the heating device only heats the rough grinding wire and the fine grinding wire.
4. The grinding tool dressing apparatus according to claim 3, wherein the rough grinding wire (13) and the fine grinding wire (14) share a heating device, and the heating device is connected to a temperature control system for controlling the heating temperature of the heating device during the rough machining stage and the fine machining stage.
5. The grinding tool dressing apparatus according to claim 4, wherein the heating means is a heating cylinder (11), and the rough grinding wire (13) and the finish grinding wire (14) are simultaneously passed through a central hole of the heating cylinder (11).
6. The abrasive article dressing apparatus of any one of claims 2-5, further comprising cooling means disposed downstream of the work station for liquid cooling the heated grinding wire.
7. The abrasive finishing device of claim 6 wherein the cooling means is a spray cooling means having a spray cooling system that sprays a cooling fluid onto the grinding wire to effect cooling of the grinding wire.
8. The abrasive finishing device of claim 7 wherein the cooling means further comprises a cooling wheel (18), the cooling wheel (18) being rotatably mounted on the frame and having a wheel face for contacting engagement with the heated grinding wire, the spray system being capable of spraying a cooling fluid onto the cooling wheel (18) to form a film of cooling fluid on the wheel face of the cooling wheel (18).
9. The grinding tool dressing apparatus according to any one of claims 1 to 5, wherein the supporting wheels comprise a first supporting wheel (5) and a second supporting wheel (6) which are oppositely arranged up and down, the central connecting lines of the reel (4), the first supporting wheel (5) and the second supporting wheel (6) are arranged in a triangle, and the grinding wire moving path between the first supporting wheel (5) and the second supporting wheel (6) forms the processing position.
10. The abrasive finishing device of any one of claims 1 to 5 wherein the support wheel is a double layer structure comprising a base of a heat resistant metal and a wear and heat resistant layer on the outside of the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023117421.2U CN213970645U (en) | 2020-12-22 | 2020-12-22 | Grinding tool trimming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023117421.2U CN213970645U (en) | 2020-12-22 | 2020-12-22 | Grinding tool trimming device |
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| Publication Number | Publication Date |
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| CN213970645U true CN213970645U (en) | 2021-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023117421.2U Active CN213970645U (en) | 2020-12-22 | 2020-12-22 | Grinding tool trimming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213970645U (en) |
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2020
- 2020-12-22 CN CN202023117421.2U patent/CN213970645U/en active Active
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