CN115213761A - Top shaft type grinding wheel fixing device and edge cutting belt grinding machine adopting same - Google Patents

Top shaft type grinding wheel fixing device and edge cutting belt grinding machine adopting same Download PDF

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Publication number
CN115213761A
CN115213761A CN202210914202.1A CN202210914202A CN115213761A CN 115213761 A CN115213761 A CN 115213761A CN 202210914202 A CN202210914202 A CN 202210914202A CN 115213761 A CN115213761 A CN 115213761A
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CN
China
Prior art keywords
shaft
grinding wheel
top shaft
cooling water
positioning structure
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Granted
Application number
CN202210914202.1A
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Chinese (zh)
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CN115213761B (en
Inventor
陈进东
李国栋
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Sanwei Holding Group Co ltd
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Sanwei Holding Group Co ltd
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Priority to CN202210914202.1A priority Critical patent/CN115213761B/en
Publication of CN115213761A publication Critical patent/CN115213761A/en
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Publication of CN115213761B publication Critical patent/CN115213761B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/20—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
    • B24B7/30—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding plastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B45/00—Means for securing grinding wheels on rotary arbors
    • B24B45/006—Quick mount and release means for disc-like wheels, e.g. on power tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
    • B24B55/03—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant designed as a complete equipment for feeding or clarifying coolant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/06—Dust extraction equipment on grinding or polishing machines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Abstract

The top shaft type grinding wheel fixing device comprises a top shaft mechanism A and a top shaft mechanism B; the axes of the A top shaft and the B top shaft are overlapped, the A taper positioning structure and the B taper positioning structure are arranged oppositely, so that the grinding wheel can be positioned and pressed through the A taper positioning structure and the B taper positioning structure, and fixation is realized. The top shaft type grinding wheel fixing device adopts a specific structure, can fix a grinding wheel with a longer axial size, can grind and process more trimming strips simultaneously compared with the prior art, and has the advantages of high production efficiency, low energy consumption and low labor cost of unit products; the top shaft type grinding wheel fixing device further comprises a cooling water flow channel located inside, during grinding, cooling water passes through the inside of the grinding wheel and cannot be mixed with rubber fragments generated by grinding, so that the subsequent rubber fragments are more conveniently recovered, the recovery and recycling cost is low, the cooling water can be recycled, and the purpose of reducing water resource consumption is achieved. The application also provides a trim strip grinder.

Description

Top shaft type grinding wheel fixing device and edge cutting belt grinding machine adopting same
Technical Field
The invention relates to a production technology of a trimming belt, in particular to a top shaft type grinding wheel fixing device for grinding the trimming belt and a trimming belt grinding machine adopting the fixing device.
Background
The trimming belt is a widely used transmission belt, and a rough product obtained by cutting after a vulcanization process needs to meet the designed size and precision requirements through grinding. In the existing production technology of the trimming belt, a grinding wheel on a grinding machine is fixed on a driving shaft through a bolt, so that the processing precision is influenced by deformation caused by too large bending moment on the driving shaft, the axial size of the grinding wheel is usually not more than 150mm and is limited by the width of the grinding wheel, the grinding wheel is basically single and two grinding devices, more trimming belts cannot be ground simultaneously, the production efficiency is low, the energy consumption is high, and the labor cost of unit products is high. In addition, among the prior art, for avoiding the emery wheel high temperature, cool down through spraying water at the emery wheel surface, the rubber piece that the grinding produced can mix with the cooling water, and follow-up rubber piece's recycle needs processes such as drainage, stoving, and recovery cost is higher, and leads to the cooling water can't collect and realize cyclic utilization, and water resource consumption is big.
Disclosure of Invention
To prior art's not enough, this application provides the apical axis formula emery wheel fixing device who is used for fixed emery wheel in the side cut area grinder. The top shaft type grinding wheel fixing device adopts a specific structure, can fix a grinding wheel with a longer axial size, can drive the grinding wheel to rotate after the grinding wheel is fixed, can grind and process more trimming strips simultaneously compared with the prior art, and has the advantages of high production efficiency, low energy consumption and low labor cost of unit products; in addition, the apical axis formula emery wheel fixing device of this application still has and is located inside cooling water runner, and during grinding, the cooling water is from the inside process of emery wheel, can not mix with the rubber fragment that the grinding produced to make follow-up rubber fragment's recovery more convenient, retrieve and recycle with low costsly, and the cooling water can cyclic utilization, reach the purpose that reduces water resource consumption. Correspondingly, this application still provides the side cut area grinder that adopts this application emery wheel fixing device.
For the fixing device, the technical scheme of the application is as follows:
the top shaft type grinding wheel fixing device comprises a top shaft mechanism A and a top shaft mechanism B which are arranged on a base and are matched with each other; the A top shaft mechanism comprises an A top shaft which is of a telescopic shaft structure and consists of an A movable shaft and an A fixed shaft, and the A movable shaft and the A fixed shaft are connected through a key; the A moving shaft is arranged on the A moving support seat, the A moving support seat is arranged in a sliding mode relative to the base and is connected with the A reciprocating element, and the A reciprocating element can drive the A moving support seat to move in the axial direction of the A moving shaft; the A fixed shaft is arranged on the A fixed supporting seat, and the A fixed supporting seat is fixed on the base; the A fixed shaft is in transmission connection with a motor arranged on the base and can be driven by the motor to rotate so as to drive the A movable shaft to rotate; the working end of the A moving shaft is provided with an A taper positioning structure which is used for being matched with a rotating shaft of the grinding wheel; the top shaft A is hollow to form a cooling water flow channel A; the non-working end of the A top shaft is provided with an A cooling water rotary joint, and the A moving shaft and the A fixed shaft are sealed through a sealing element; the B top shaft mechanism comprises a B top shaft, the B top shaft is arranged on a B movable support seat, the B movable support seat is arranged in a sliding mode relative to the base and is connected with the B reciprocating element, and the B reciprocating element can drive the B top shaft to move in the axial direction of the B top shaft; the working end of the B moving shaft is provided with a B taper positioning structure matched with a rotating shaft of the grinding wheel; the B top shaft is hollow to form a B cooling water flow passage; a non-working end of the B top shaft is provided with a B cooling water rotary joint; the axes of the A jacking shaft and the B jacking shaft are overlapped, and the A taper positioning structure and the B taper positioning structure are arranged oppositely, so that the grinding wheel can be positioned and pressed through the A taper positioning structure and the B taper positioning structure, and fixation is realized.
Compared with the prior art, the top shaft type grinding wheel fixing device adopts a specific structure, and is provided with an A top shaft mechanism and a B top shaft mechanism which are matched with each other for use, when the top shaft type grinding wheel fixing device works, two ends of the grinding wheel are respectively positioned and tightly pressed by the A top shaft and the B top shaft to realize fixing, and are driven by a motor in transmission connection with an A fixed shaft to realize rotation, so that a plurality of trimming belts can be ground and processed simultaneously, the production efficiency is high, the energy consumption is low, and the labor cost of unit products is low; in addition, the apical axis formula emery wheel fixing device of this application still has and is located inside cooling water runner, and during grinding, cooling water passes through from the emery wheel is inside, can not mix with the rubber piece that the grinding produced to it is more convenient to make follow-up rubber piece's recovery, and the recovery is recycled with low costsly, and cooling water can cyclic utilization, reaches the purpose that reduces water resource consumption.
Preferably, in the grinding wheel fixing device with a top shaft, the reciprocating element a and the reciprocating element B are both cylinders. The cylinder is easy to control, and the reliability is very high, and response speed is fast.
Preferably, in the top-shaft-type grinding wheel fixing device, the motor and the a fixed shaft are connected by a belt transmission mechanism. And the belt transmission is adopted, so that the arrangement of related parts is more convenient, and the implementation is facilitated.
Preferably, in the top-shaft-type grinding wheel fixing device, the movable support base a and the movable support base B are connected to the base through a linear module. And compared with a common guide rail, the linear module is small in friction resistance and high in reliability.
Preferably, in the top-shaft-type grinding wheel fixing device, the moving shaft a is arranged on the moving support base a through a bearing set composed of a plurality of bearings, and the bearing set has the capability of simultaneously bearing radial load and axial load. The bearing is adopted to connect the A moving shaft and the A moving support seat, the rotating resistance of the A moving shaft is small, related parts are not easy to wear, the service life is long, and the reduction of energy consumption is facilitated.
For a grinding machine, the following technical scheme is provided:
the trimming belt grinding machine comprises a grinding wheel assembly arranged on a base; the grinding wheel assembly comprises a grinding wheel and the top shaft type grinding wheel fixing device; the axial length L of the grinding wheel is 300-600mm; the A jacking shaft mechanism and the B jacking shaft mechanism of the jacking shaft type grinding wheel fixing device are respectively positioned at two sides of a grinding wheel; two ends of the rotating shaft of the grinding wheel are processed with conical surfaces corresponding to the A taper positioning structure and the B taper positioning structure; two ends of the grinding wheel are respectively matched with the A taper positioning structure and the B taper positioning structure for positioning and are tightly propped by the A jacking shaft and the B jacking shaft to realize fixation; the grinding wheel is hollow to form a cooling cavity, and two ends of the cooling cavity are respectively communicated with the cooling water flow passage A and the cooling water flow passage B; the taper positioning structures A and B are sealed with the conical surfaces at the two ends of the grinding wheel rotating shaft through sealing parts.
Compared with the prior art, the trimming strip grinding machine adopts a specific grinding wheel assembly, the grinding wheel assembly comprises a grinding wheel and the ejecting shaft type grinding wheel fixing device, the axial length L of the grinding wheel is 300-600mm, when the trimming strip grinding machine works, two ends of the grinding wheel are respectively positioned and ejected tightly by the ejecting shafts A and B to realize fixation, and are driven by the motor in transmission connection with the fixed shaft A to realize rotation, so that more trimming strips can be ground and processed simultaneously, the production efficiency is high, the energy consumption is low, and the labor cost of unit products is low; in addition, the apical axis formula emery wheel fixing device that this application trimming area grinder adopted still has and is located inside cooling water runner, and during grinding process, cooling water passes through from the emery wheel is inside, can not mix with the rubber piece that the grinding produced to make follow-up rubber piece's recovery more convenient, retrieve and recycle with low costsly, and cooling water can cyclic utilization, reaches the purpose that reduces water resource consumption.
Preferably, in the above trimming belt grinding machine, the base is provided with a bracket corresponding to each of two ends of the rotating shaft of the grinding wheel; the bracket is used for supporting the grinding wheel when the grinding wheel is not fastened by the top shaft A and the top shaft B; after the grinding wheel is tightly pressed and fixed by the A top shaft and the B top shaft, a gap is formed between the bracket and the rotating shaft of the grinding wheel. From this, when the installation emery wheel, can support the emery wheel with the support earlier, then by the apical axis location to compress tightly fixedly, convenient operation, when needing to dismantle the emery wheel, the apical axis is withdrawn from the back, props the emery wheel by the support, has convenient operation's characteristics equally.
Preferably, in the above trimming belt grinding machine, a detachable dust cover is provided above the grinding wheel. Through setting up the dust cover, can prevent that the rubber piece that the grinding produced from flying upward, be favorable to improving workshop environment.
As an optimization, in the above trimming belt grinding machine, the cooling water rotary joint a and the cooling water rotary joint B are respectively connected with a liquid storage tank through a pipeline to form a cooling water circulation loop; and a water pump for driving liquid cooling water to circularly flow is arranged on the cooling water circulation loop. Therefore, the cooling water can be recycled, the water resource consumption is low, and the cooling water circulation system has simple and reliable structure and low cost.
Preferably, in the above trimming belt grinding machine, the impeller rotating shaft of the water pump is in transmission connection with the moving shaft a through a belt, and the water pump and the motor are respectively arranged on two sides of the moving shaft a. From this, the water pump links with the A moving axis, can avoid forgetting to open the cooling water circulation or the cooling water circulation is not opened to artificial problem because of workman's error, influences processingquality, and the both sides of A moving axis are located respectively to water pump and motor, and the belt of connecting motor and water pump can partially offset the power of A moving axis, and the atress is reasonable, and the reliability is higher.
Drawings
Fig. 1 is a schematic structural view (working state) of a top-shaft-type grinding wheel fixing device according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the arbor grinding wheel fixture of FIG. 1;
fig. 3 is a schematic structural view (horizontal type) of the edge slitting belt grinding machine according to the embodiment of the present invention.
Reference numbers in the drawings:
a 1-A top shaft mechanism, a 101-A top shaft, a 1011-A movable shaft, a 1012-A fixed shaft, a 1013-A taper positioning structure, a 102-A movable supporting seat, a 103-A fixed supporting seat, a 104-motor and a 105-A cooling water rotary joint; the device comprises a 2-B top shaft mechanism, a 201-B top shaft, a 2011-B taper positioning structure, a 202-B movable support seat and a 203-B cooling water rotary joint; 3-grinding wheel; 4-a scaffold; 5-a dust cover; 6-water pump.
Detailed Description
The present invention is further described below in conjunction with the following detailed description (including examples), which is not intended to limit the invention. All that is not described in detail below is common general knowledge in the art.
Referring to fig. 1-2, the arbor type grinding wheel fixing device of the present invention includes an arbor mechanism a 1 and an arbor mechanism B2 which are provided on a base and used in cooperation with each other; the A top shaft mechanism 1 comprises an A top shaft 101, the A top shaft 101 is of a telescopic shaft structure and consists of an A movable shaft 1011 and an A fixed shaft 1012, and the A movable shaft 1011 and the A fixed shaft 1012 are in transmission connection through keys; the A moving support seat 102 is arranged on the A moving support seat 102, the A moving support seat 102 is arranged in a sliding mode relative to the base and is connected with the A reciprocating element, and the A reciprocating element can drive the A moving support seat to move in the axial direction of the A moving support seat 1011; the A fixed shaft 1012 is arranged on the A fixed support seat 103, and the A fixed support seat 103 is fixed on the base; the A fixed shaft 1012 is in transmission connection with the motor 104 arranged on the base, and can be driven by the motor 104 to rotate so as to drive the A movable shaft 1011 to rotate; the working end of the A moving shaft 1011 is provided with an A taper positioning structure 1013 matched with the rotating shaft of the grinding wheel 3; the A top shaft 102 is hollow to form a cooling water channel A; the non-working end of the A top shaft 102 is provided with an A cooling water rotary joint 105, and a sealing element is used for sealing between an A movable shaft 1011 and an A fixed shaft 1012; the B top shaft mechanism 2 comprises a B top shaft 201, the B top shaft 201 is arranged on a B movable supporting seat 202, the B movable supporting seat 202 is arranged in a sliding mode relative to the base and connected with a B reciprocating element, and the B reciprocating element can drive the B top shaft 201 to move axially; a B taper positioning structure 2011 matched with the rotating shaft of the grinding wheel 3 is arranged at the working end of the B top shaft 201; the B top shaft 201 is hollow to form a B cooling water flow channel; a non-working end of the B top shaft 201 is provided with a B cooling water rotary joint 203; the axes of the top shaft 101 and the top shaft 201 are overlapped, the taper positioning structure 1013 and the taper positioning structure 2011 are arranged oppositely, so that the grinding wheel 3 can be positioned and pressed tightly through the taper positioning structure 1013 and the taper positioning structure 2011, and fixation is realized.
In the working state, the grinding wheel 3 of the edge cutting belt grinding machine is positioned by the A top shaft 101 and the B top shaft 201 and is tightly pressed and fixed. After the motor 104 is started, the fixed shaft A1012 is driven to rotate, and then the grinding wheel 3 is driven to rotate, so that the edge cutting belt can be ground.
Referring to fig. 1-3, the trimming strip grinding machine of the present invention includes a grinding wheel assembly disposed on a base; the grinding wheel assembly comprises a grinding wheel 3 and the top shaft type grinding wheel fixing device; the axial length L of the grinding wheel 3 is 300-600mm (450 mm in the embodiment shown in the figures); the A jacking shaft mechanism 1 and the B jacking shaft mechanism 2 of the jacking shaft type grinding wheel fixing device are respectively positioned at two sides of a grinding wheel 3; conical surfaces are machined at two ends of a rotating shaft of the grinding wheel 3 corresponding to the A taper positioning structure 1013 and the B taper positioning structure 2011; two ends of the grinding wheel 3 are respectively matched with the A taper positioning structure 1013 and the B taper positioning structure 2011 for positioning, and are tightly pressed by the A top shaft 101 and the B top shaft 201 to realize fixation; the grinding wheel 3 is hollow to form a cooling cavity, and two ends of the cooling cavity are respectively communicated with the cooling water flow passage A and the cooling water flow passage B; the taper positioning structures 1013 and 2011 are sealed with the conical surfaces at two ends of the rotating shaft of the grinding wheel 3 through sealing parts. During operation, cooling water can be introduced from the cooling water rotary joint A105 or the cooling water rotary joint B203 to cool the grinding wheel 3, so that the grinding quality is ensured.
In one particular embodiment: and the reciprocating element A and the reciprocating element B are both cylinders. When the grinding wheel 3 needs to be fixed, the air cylinder pushes the movable supporting seat to move, the A top shaft 101 and the B top shaft 102 position two ends of the rotating shaft of the grinding wheel 3 respectively, and finally the grinding wheel is compressed tightly to realize fixation.
In one particular embodiment: the motor 104 and the a-axis 1012 are connected by a belt drive mechanism. After the motor 104 is started, the fixed shaft a 1012 is driven to rotate by the belt, and the grinding wheel 3 fixed by the top shaft is driven to rotate.
In one particular embodiment: the A movable supporting seat 102 and the B movable supporting seat 202 are connected with the base through a linear module. When the linear module is used, the A movable support seat 102 and the B movable support seat 202 move along the linear module, and the friction resistance is small.
In one particular embodiment: the A-shaped moving shaft 1011 is arranged on the A-shaped movable support seat 102 through a bearing set consisting of a plurality of bearings, and the bearing set has the capacity of simultaneously bearing radial load and axial load. The bearing connection is adopted, the rotation resistance is small, at least one bearing capable of bearing the axial load is needed to bear the axial load, and a deep groove ball bearing (capable of bearing the radial load and the axial load simultaneously) is adopted in the embodiment.
In one particular embodiment: a bracket 4 is respectively arranged on the base corresponding to two ends of the rotating shaft of the grinding wheel 3; the support 4 is used for supporting the grinding wheel 3 when the grinding wheel is not fastened by the a and B top shafts 101 and 201; after the grinding wheel 3 is tightly pressed and fixed by the A top shaft 101 and the B top shaft 201, the bracket 4 has a gap with the rotating shaft of the grinding wheel 3. When the grinding wheel 3 needs to be installed, the grinding wheel 3 is placed on the support 4, then the jacking shaft moves to be matched with the conical surface of the end part of the rotating shaft of the grinding wheel 3, positioning is carried out, and finally, pressing is carried out to realize fixing.
In one particular embodiment: a detachable dust cover 5 is arranged above the grinding wheel 3. During operation, the dust cover 5 prevents that the rubber piece that the grinding produced from flying upward, when needing to change emery wheel 3, pulls down the dust cover 5 earlier, makes things convenient for emery wheel 3 dismouting.
In one particular embodiment: the cooling water swivel joint A105 and the cooling water swivel joint B203 are respectively connected with a liquid storage pool (not shown in the drawing, and can be arranged according to field conditions during implementation) through pipelines to form a cooling water circulation loop; and the cooling water circulation loop is provided with a water pump 6 for driving liquid cooling water to circularly flow.
In one particular embodiment: the impeller rotating shaft of the water pump 6 is connected with the A moving shaft 1011 in a belt transmission manner, and the water pump 6 and the motor 104 are respectively arranged on two sides of the A moving shaft 1011. After the motor 104 is started, the a moving shaft 1011 is driven to rotate, and then the impeller of the water pump 6 is driven to rotate, so that the water pump 6 is linked with the grinding wheel 3, and the influence on processing caused by overhigh temperature of the grinding wheel 3 due to the fact that the water pump 6 is not started is avoided.
In one particular embodiment: a dust suction port is arranged below the grinding wheel 3, and rubber scraps generated by grinding are sucked into a recovery container through the dust suction port to be collected.
The above general description of the invention and the description of the specific embodiments thereof, as referred to in this application, should not be construed as limiting the technical solutions of the invention. Those skilled in the art can add, subtract or combine the technical features disclosed in the general description and/or the specific embodiments (including the examples) to form other technical solutions within the protection scope of the present application according to the disclosure of the present application without departing from the constituent elements of the invention.

Claims (10)

1. Apical axis formula emery wheel fixing device, its characterized in that: comprises an A top shaft mechanism (1) and a B top shaft mechanism (2) which are arranged on a base and are matched with each other;
the A top shaft mechanism (1) comprises an A top shaft (101), the A top shaft (101) is of a telescopic shaft structure and consists of an A moving shaft (1011) and an A fixed shaft (1012), and the A moving shaft (1011) and the A fixed shaft (1012) are in transmission connection through keys; the A-shaped moving support (1011) is arranged on the A-shaped moving support seat (102), the A-shaped moving support seat (102) is arranged in a sliding mode relative to the base and is connected with the A-shaped reciprocating element, and the A-shaped reciprocating element can drive the A-shaped moving support seat to move in the axial direction of the A-shaped moving support (1011); the A fixed shaft (1012) is arranged on the A fixed supporting seat (103), and the A fixed supporting seat (103) is fixed on the base; the A fixed shaft (1012) is in transmission connection with a motor (104) arranged on the base and can be driven by the motor (104) to rotate so as to drive the A movable shaft (1011) to rotate; the working end of the A moving shaft (1011) is provided with an A taper positioning structure (1013) matched with the rotating shaft of the grinding wheel (3); the A top shaft (102) is hollow to form an A cooling water flow channel; the non-working end of the A top shaft (102) is provided with an A cooling water rotary joint (103), and the A movable shaft (1011) and the A fixed shaft (1012) are sealed through a sealing piece;
the B top shaft mechanism (2) comprises a B top shaft (201), the B top shaft (201) is arranged on a B movable supporting seat (202), the B movable supporting seat (202) is arranged in a sliding mode relative to the base and connected with a B reciprocating element, and the B reciprocating element can drive the B top shaft (201) to move in the axial direction; the working end of the B top shaft (201) is provided with a B taper positioning structure (2011) which is used for being matched with the rotating shaft of the grinding wheel (3); the B top shaft (202) is hollow to form a B cooling water flow channel; a non-working end of the B top shaft (202) is provided with a B cooling water rotary joint (203);
a apical axis (101) and B apical axis (202) axis coincidence, A tapering location structure (1013) and B tapering location structure (2011) are relative form setting, make and to fix a position and compress tightly emery wheel (3) through A tapering location structure (1013) and B tapering location structure (2011), realize fixedly.
2. The arbor grinding wheel fixture of claim 1, wherein: the reciprocating element A and the reciprocating element B are both cylinders.
3. The arbor grinding wheel fixture of claim 1, wherein: the motor (104) is connected with the A fixed shaft (1012) through a belt transmission mechanism.
4. The arbor grinding wheel fixture of claim 1, wherein: the A movable support seat (102) and the B movable support seat (202) are connected with the base through a linear module.
5. The top-spindle grinding wheel securing device according to any one of claims 1 to 4, wherein: the A-shaped movable shaft (1011) is arranged on the A-shaped movable supporting seat (102) through a bearing set consisting of a plurality of bearings, and the bearing set has the capacity of simultaneously bearing radial load and axial load.
6. The trimming belt grinding machine comprises a grinding wheel assembly arranged on a base; the method is characterized in that: the grinding wheel assembly comprises a grinding wheel (3) and the top-axis grinding wheel fixture of any one of claims 1-5; the axial length L of the grinding wheel (3) is 300-600mm; the A jacking shaft mechanism (1) and the B jacking shaft mechanism (2) of the jacking shaft type grinding wheel fixing device are respectively positioned on two sides of a grinding wheel (3); two ends of a rotating shaft of the grinding wheel (3) are processed with conical surfaces corresponding to the A conical positioning structure (1013) and the B conical positioning structure (2011); two ends of the grinding wheel (3) are respectively matched with the A taper positioning structure (1013) and the B taper positioning structure (2011) for positioning, and are tightly jacked by the A jacking shaft (101) and the B jacking shaft (201) to realize fixation; the grinding wheel (3) is hollow to form a cooling cavity, and two ends of the cooling cavity are respectively communicated with the cooling water flow passage A and the cooling water flow passage B; the A taper positioning structure (1013) and the B taper positioning structure (2011) are sealed with the conical surfaces at two ends of the rotating shaft of the grinding wheel (3) through sealing parts.
7. The trim strip grinder of claim 6 wherein: a bracket (4) is respectively arranged on the base corresponding to two ends of the rotating shaft of the grinding wheel (3); the bracket (4) is used for supporting the grinding wheel (3) when the grinding wheel is not fastened by the A top shaft (101) and the B top shaft (201); after the grinding wheel (3) is tightly pressed and fixed by the A top shaft (101) and the B top shaft (201), a gap is formed between the bracket (4) and the rotating shaft of the grinding wheel (3).
8. The trim strip grinder of claim 6 wherein: a detachable dust cover (5) is arranged above the grinding wheel (3).
9. The trim strip grinder of claim 6 wherein: the cooling water rotary joint A (103) and the cooling water rotary joint B (203) are respectively connected with a liquid storage pool through pipelines to form a cooling water circulation loop; and a water pump (6) for driving liquid cooling water to circularly flow is arranged on the cooling water circulation loop.
10. The trim strip grinder of claim 9 wherein: the impeller rotating shaft of the water pump (6) is in transmission connection with the A-shaped moving shaft (1011) through a belt, and the water pump (6) and the motor (104) are respectively arranged on two sides of the A-shaped moving shaft (1011).
CN202210914202.1A 2022-08-01 2022-08-01 Top shaft type grinding wheel fixing device and edge strip grinding machine adopting same Active CN115213761B (en)

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CN202210914202.1A CN115213761B (en) 2022-08-01 2022-08-01 Top shaft type grinding wheel fixing device and edge strip grinding machine adopting same

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Application Number Priority Date Filing Date Title
CN202210914202.1A CN115213761B (en) 2022-08-01 2022-08-01 Top shaft type grinding wheel fixing device and edge strip grinding machine adopting same

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CN115213761B CN115213761B (en) 2023-07-25

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Citations (6)

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Publication number Priority date Publication date Assignee Title
CN102275105A (en) * 2011-08-09 2011-12-14 安徽省尚美精密机械科技有限公司 Taper plug-in type spindle rotating device and processing equipment
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