CN107971893B - Abrasive band machine for casting grinding - Google Patents
Abrasive band machine for casting grinding Download PDFInfo
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- CN107971893B CN107971893B CN201711087577.0A CN201711087577A CN107971893B CN 107971893 B CN107971893 B CN 107971893B CN 201711087577 A CN201711087577 A CN 201711087577A CN 107971893 B CN107971893 B CN 107971893B
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- connecting rod
- limiting
- abrasive belt
- grinding
- belt
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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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
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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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
- B24B21/20—Accessories for controlling or adjusting the tracking or the tension of the grinding belt
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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
- 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
- B24B55/08—Dust extraction equipment on grinding or polishing machines specially designed for belt grinding machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses an abrasive belt machine for casting grinding, which comprises a liftable abrasive belt grinding device for casting grinding, a hinged limiting mechanism arranged at the bottom of the abrasive belt grinding device, a pressing mechanism fixed on the abrasive belt grinding device and used for reducing the position of the abrasive belt grinding device, and a resetting mechanism arranged at the rear end of the abrasive belt grinding device and used for resetting the abrasive belt grinding device to the original position, wherein the abrasive belt grinding device is arranged on a support frame of the abrasive belt machine through the hinged limiting mechanism. The abrasive belt machine for grinding the casting is simple to operate, the position of the abrasive belt grinding device can be lifted, an operator does not need to lift the casting for grinding, and the safety performance is good; meanwhile, the polishing scale of manual polishing can be mastered by operating the pressing mechanism, and the casting base body is prevented from being polished to cause casting scrapping.
Description
Technical Field
The invention relates to the technical field of precision casting grinding, in particular to an abrasive belt machine for casting grinding.
Background
With the rapid development of the aero-engine, the fine-cast integral piece of the aero superalloy develops towards large-scale, thin-wall and complex. The precision casting integral piece has more and more complex structure, so that the hot spot is more, the gating system is complex, and the number of residual inner gates after cutting is more. The residual inner gates are generally required to be manually ground on a belt sander, but an operator needs to carry out casting grinding, and the castings are heavy, large in grinding difficulty and poor in operation safety; meanwhile, the polishing scale of manual polishing is not easy to control, and the casting base body is very easy to polish, so that the casting is scrapped; in addition, in the polishing process, the grinding wheel rotating at high speed may break, and fragments in the grinding wheel are peeled off and splashed out, so that great potential safety hazards exist.
Disclosure of Invention
The invention provides an abrasive belt machine for grinding castings, which aims to solve the technical problems of high difficulty in manual grinding operation, poor safety and difficulty in grasping the grinding amount in the prior art.
The technical scheme adopted by the invention is as follows:
the casting grinding belt sander comprises a liftable casting grinding belt device, a hinged limiting mechanism, a pressing mechanism and a reset mechanism, wherein the liftable casting grinding belt device is used for grinding castings, the hinged limiting mechanism is arranged at the bottom of the sand belt grinding device, the pressing mechanism is fixed on the sand belt grinding device and used for enabling the position of the sand belt grinding device to be lowered, the reset mechanism is arranged at the rear end of the sand belt grinding device and used for enabling the sand belt grinding device to be reset to the original position, and the sand belt grinding device is arranged on a support frame of the belt sander through the hinged limiting mechanism.
Furthermore, the abrasive belt polishing device comprises a polishing wheel arranged at the front end and a driving wheel driven by a motor, and the abrasive belt is connected with the polishing wheel and the driving wheel and rotates under the driving of the motor; and a deviation adjusting wheel mechanism used for preventing the abrasive belt from deviating or separating is arranged between the grinding wheel and the driving wheel.
Further, the pressing mechanism comprises a connecting rod arranged on the abrasive belt grinding device, and a pressing handle is arranged at the end part of the connecting rod.
Preferably, the connecting rods comprise a first connecting rod and a second connecting rod, the first connecting rod is fixed on the belt sanding device and is in the axial direction of the driving wheel, and the second connecting rod is vertically connected with the first connecting rod; and a pressing handle is arranged at the end part of the second connecting rod.
Preferably, the connecting rod is provided with a control switch for controlling the motor to be turned on or turned off.
Furthermore, the reset mechanism comprises a first reset spring arranged at the rear end of the abrasive belt polishing device, and the first reset spring is adjusted through a movable screw arranged at the lower end of the first reset spring; the movable screw is fixed on the support frame of the belt sander.
Furthermore, the hinged limiting mechanism comprises a limiting bolt arranged on the abrasive belt grinding device and a limiting block fixed on the hinge and used for limiting the position of the limiting bolt.
Furthermore, the limit bolt comprises a first limit bolt for limiting the descending position of the belt sanding device and a second limit bolt for limiting the ascending position of the belt sanding device; the limiting block comprises a first limiting block matched with the first limiting bolt and a second limiting block matched with the second limiting bolt.
Further, the grinding machine also comprises a tensioning mechanism which is arranged on the side surface of the grinding wheel and used for tensioning or replacing the abrasive belt.
Further, the tensioning mechanism comprises a movable part connected with the shaft sleeve of the grinding wheel and a limiting part limiting the movement of the movable part.
Furthermore, the movable part comprises a vertical connecting rod connected with a shaft sleeve of the grinding wheel, a transmission connecting rod connected with the vertical connecting rod and a tensioning handle arranged on the transmission connecting rod, and the vertical connecting rod is hinged with the transmission connecting rod and the transmission connecting rod is hinged with the tensioning handle.
Further, the limiting component comprises a guide rail and a connecting block, wherein the guide rail is used for limiting the vertical connecting rod to move in a plane parallel to the grinding wheel, and the connecting block is used for limiting the vertical connecting rod to move; the vertical connecting rod is connected with the guide rail through a first return spring, and the vertical connecting rod is connected with the guide rail through a second return spring.
Furthermore, a limiting groove is formed in the connecting block, and a limiting piece at the lower part of the vertical connecting rod moves in the limiting groove; the vertical connecting rod is connected with the guide rail through a sleeve.
Further, a second return spring is in contact with the vertical link for returning the vertical link.
Furthermore, the device also comprises a detachable protection mechanism which is arranged outside the belt sanding device and used for wrapping the belt sanding device.
Furthermore, the dust collector is arranged at the rear part of the belt sanding device and used for removing dust.
The invention has the following beneficial effects:
according to the casting grinding belt sander, the abrasive belt grinding device is hinged to the support frame of the belt sander through the hinged limiting mechanism, the position can be lowered under the action of the pressing mechanism so as to grind castings conveniently, and after grinding is completed, the casting grinding belt sander can return to the original position under the action of the reset mechanism at the rear end of the casting grinding belt sander. The abrasive belt machine for grinding the casting is simple to operate, the position of the abrasive belt grinding device can be lifted, an operator does not need to lift the casting for grinding, and the safety performance is good; meanwhile, the polishing scale of manual polishing can be mastered by operating the pressing mechanism, and the casting base body is prevented from being polished to cause casting scrapping.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic illustration of an abrasive belt machine for grinding castings in accordance with a preferred embodiment of the present invention;
FIG. 2 is a schematic view of a belt sander apparatus according to a preferred embodiment of the present invention;
FIG. 3 is a schematic view of a spacing mechanism of the preferred embodiment of the present invention;
fig. 4 is a schematic view of the tensioning mechanism of the preferred embodiment of the present invention.
Description of reference numerals:
1. a support frame of the belt sander; 2. grinding the wheel; 21. casting to be polished; 22. polishing the support frame; 23. a hardening station; 24. a bottom bracket; 25. a glass baffle; 3. a motor; 31. a driving wheel; 32. a bias wheel adjusting mechanism; 33. an electric cabinet; 4. a connecting rod; 5. pressing the handle; 6. a first return spring; 7. a movable screw; 81. a first limit bolt; 82. a second limit bolt; 83. a first stopper; 84. a second limiting block; 9. a tensioning mechanism; 90. a sleeve; 91. a vertical connecting rod; 92. a transmission connecting rod; 93. a tensioning handle; 94. a guide rail; 95. connecting blocks; 96. a second return spring; 97. a limiting groove; 98. a limiting member; 99. a pulley; 10. a protection mechanism; 11. a dust suction mechanism; 110. a dust collection cover; 111. a dust collection device; 112. a dust collection pipeline.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1 to 4, a preferred embodiment of the present invention provides an abrasive belt machine for casting grinding, including a liftable abrasive belt grinding device for casting grinding, a hinge limiting mechanism installed at the bottom of the abrasive belt grinding device, a pressing mechanism fixed on the abrasive belt grinding device for lowering the position of the abrasive belt grinding device, and a resetting mechanism installed at the rear end of the abrasive belt grinding device for resetting the abrasive belt grinding device to an original position, wherein the abrasive belt grinding device is installed on a support frame 1 of the abrasive belt machine through the hinge limiting mechanism.
Foretell abrasive band machine for foundry goods grinding, abrasive band grinding device's position sets up to liftable through the cooperation with articulated stop gear, pushing down the mechanism, treats that the foundry goods 21 of polishing places on the support frame 22 of polishing, and abrasive band grinding device's position descends and can polish with the foundry goods contact, and need not the operator and remove the foundry goods and polish, labour saving and time saving, easy operation, the security is good. The rear end of the abrasive belt polishing device is provided with a reset mechanism, the pressing mechanism is lifted slightly after the polishing process is finished or when a polishing sprue is replaced, and the abrasive belt polishing device moves upwards and resets under the action of the reset mechanism; and rotating the casting 21 to be polished, and polishing and removing the pouring gates in sequence according to the mode. In addition, in order to ensure effective grinding of the residual sprue of the high-temperature alloy casting during grinding, the grinding speed of the belt sander is set to be 30-45 m/s, the specification of the abrasive belt is generally 50 x 2100, and the granularity is 24# or 36 +. The height of the grinding support frame 22 and the height of the abrasive belt machine support frame 1 can be adjusted, and adaptability adjustment can be carried out according to the height of a casting 21 to be ground, so that grinding requirements of casting gates with different heights are met.
Above-mentioned abrasive band machine for foundry goods grinding, abrasive band grinding device articulate on abrasive band machine support frame 1 through articulated stop gear, can descend the position so that the foundry goods of polishing under the effect of pushing down the mechanism, and the back of polishing the completion can reply the primary importance under the reset mechanism's of its rear end effect again. The abrasive belt machine for grinding the casting is simple to operate, the position of the abrasive belt grinding device can be lifted, an operator does not need to lift the casting for grinding, and the safety performance is good; meanwhile, the polishing scale of manual polishing can be mastered by operating the pressing mechanism, and the casting base body is prevented from being polished to cause casting scrapping.
Preferably, a plexiglas baffle 25 is provided on the side of the casting 21 to be polished. The organic glass baffle 25 can move up and down along the upright post, the height is adjusted as required and then the height is fixed, and in the polishing process, the abrasive belt rotating at high speed can be broken, so that splashed abrasive belt fragments can be effectively shielded and protected; meanwhile, dust, particles and the like splashed in the polishing process are shielded, and the use safety is improved.
Preferably, referring to fig. 2, the abrasive belt polishing device comprises a polishing wheel 2 arranged at the front end and a driving wheel 31 driven by a motor 3, and the abrasive belt is connected with the polishing wheel 2 and the driving wheel 31 and rotates under the drive of the motor 3; and a deviation adjusting wheel mechanism 32 for preventing the abrasive belt from deviating or separating is arranged between the grinding wheel 2 and the driving wheel 31.
In the belt sander, the three-phase asynchronous motor 3 is controlled by the electric cabinet 33 to drive the driving wheel 31 to rotate, the sanding wheel 2 is a driven wheel, and the deflection regulating wheel mechanism 32 is a driven wheel. The grinding wheel 2 is a rubber coated wheel, so that the impact during cutting can be effectively reduced, high-speed operation is guaranteed, and the cutting amount is large. The driving wheel 31 is made of aluminum alloy, and high-speed impact can be effectively reduced and long-time stable operation can be kept through a dynamic balance test. The deviation adjusting wheel mechanism 32 mainly comprises deviation adjusting wheels, wheel shafts, mounting brackets, a bottom plate and a back pressure spring, prevents the abrasive belt from deviating or falling off in the operation process of the abrasive belt polishing device, and can eliminate the abrasive belt deviation phenomenon caused by the fact that the axes of the main driving wheel and the driven driving wheel are not parallel in the manufacturing process. The abrasive belt grinding device can rotate around the hinged limiting mechanism at the bottom, and the grinding wheel 2 with the counterweight and the resetting mechanism for balancing the head is arranged at the end close to the motor 3. A suitable abrasive belt has a size of 2100mm by 50 mm.
Preferably, the pressing mechanism comprises a connecting rod 4 mounted on the belt sander, and a pressing handle 5 is arranged at the end of the connecting rod 4. More preferably, the connecting rod 4 comprises a first connecting rod fixed on the belt sander and along the axial direction of the driving wheel 31, and a second connecting rod vertically connected to the first connecting rod; the end of the second connecting rod is provided with a pressing handle 5. The arrangement of the pressing mechanism can simply lower the position of the abrasive belt grinding device through the pressing handle 5 on one hand, so that the casting sprue can be effectively ground; on the other hand, when polishing, can guarantee the foundry goods size after polishing through pushing down handle 5, avoid polishing the foundry goods base member and make the foundry goods scrap.
Preferably, the connecting rod 4 is provided with a control switch for controlling the motor 3 to be turned on or off. The control switch of the motor 3 is arranged on the connecting rod 4, so that the motor 3 is turned on before the handle 5 is pressed down conveniently, and the operation is convenient.
Preferably, referring to fig. 3, the reset mechanism comprises a first reset spring 6 installed at the rear end of the belt sander, and the first reset spring 6 is adjusted by a movable screw 7 installed at the lower end of the first reset spring; the movable screw 7 is fixed on the support frame 1 of the belt sander. The reset mechanism is arranged at the rear end of the abrasive belt grinding device and returns to the initial position after grinding is finished. The movable screw 7 can be adjusted up and down according to the elastic force requirement of the first return spring 6, and is fixed after being adjusted in place.
Preferably, the hinge limiting mechanism comprises a limiting bolt arranged on the abrasive belt polishing device and a limiting block fixed on the hinge and used for limiting the position of the limiting bolt. The hinged limiting mechanism has the advantages that the limiting bolt is matched with the limiting block and used for limiting the descending or lifting position of the abrasive belt grinding device, and the structure is simple and reliable.
Preferably, the limit latches comprise a first limit latch 81 defining a lowered position of the belt sander and a second limit latch 82 defining a raised position of the belt sander; the stopper includes a first stopper 83 engaged with the first stopper pin 81 and a second stopper 84 engaged with the second stopper pin 82. When the abrasive belt grinding device works, the pressing handle 5 is pressed down, and the whole device is inclined forwards until the first limiting bolt 81 is pushed against the first limiting block 83; when the abrasive belt grinding device stops working, the first reset spring 6 applies elasticity to the pressed abrasive belt grinding device to reset until the second limit bolt 82 of the abrasive belt grinding device pushes against the second limit block 84, so that the limit function is realized. In this embodiment, the first stopper 83 is fixed to the hinge by a bolt, and the second stopper 84 is fixed to the rear side of the hinge.
Preferably, referring to fig. 4, a tensioning mechanism 9 is further included, mounted on the side of grinding wheel 2, for tensioning or replacing the sanding belt. The tensioning mechanism 9 is arranged on a support flat plate on the side surface of the grinding wheel 2, and the position of the grinding wheel 2 is moved to tension or relax the abrasive belt, so that the abrasive belt can be replaced conveniently or the length change of the abrasive belt after long-term use is compensated.
Preferably, the tensioning mechanism 9 comprises a movable part connected with the bushing of the grinding wheel 2 and a limiting part limiting the movement of the movable part. The tensioning mechanism 9 is connected with a shaft sleeve of the grinding wheel 2 through a movable part to drive the grinding wheel 2 to move back and forth; and the tensioning mechanism 9 is simultaneously provided with a limiting part for limiting the movement of the movable part, thereby achieving the purpose of limiting the movement of the grinding wheel 2.
Preferably, the movable part comprises a vertical connecting rod 91 connected with a shaft sleeve of the grinding wheel 2, a transmission connecting rod 92 connected with the vertical connecting rod 91 and a tensioning handle 93 arranged on the transmission connecting rod 92, and the vertical connecting rod 91 is hinged with the transmission connecting rod 92 and the transmission connecting rod 92 is hinged with the tensioning handle 93. The movable part is a linkage rod structure, and the transmission connecting rod 92 and the vertical connecting rod 91 are driven to move by operating the tensioning handle 93. More preferably, the vertical link 91 is connected with the transmission link 92, and the transmission link 92 is connected with the tensioning handle 93 through pulleys 99.
Preferably, the limiting member includes a guide rail 94 for limiting the movement of the vertical link 91 in a plane parallel to the grinding wheel 2 and a connecting block 95 for limiting the displacement of the vertical link 91; the vertical connecting rod 91 is also provided with a second return spring 96 for returning the vertical connecting rod 91, and the second return spring 96 is sleeved on the guide rail 94. The limiting component is used for limiting the grinding wheel 2 to move in the same plane through the guide rail 94, and limiting the movement distance of the grinding wheel 2 in the direction of the guide rail 94 through the connecting block 95; the second return spring 96 serves to return the vertical link 91 and the grinding wheel 2 to the initial position.
Preferably, a limiting groove 97 is arranged on the connecting block 95, and a limiting piece 98 at the lower part of the vertical connecting rod 91 moves in the limiting groove 97; the vertical link 91 is connected to the guide rail 94 through the sleeve 90. More preferably, the stopper 98 used in the present embodiment is a bolt. The displacement of vertical connecting rod 91 and grinding wheel 2 can be accurately limited through the limit of limit groove 97. The vertical link 91 is connected to the guide rail 94 through the sleeve 90, so that the friction between the vertical link 91 and the guide rail 94 is reduced.
Preferably, the second return spring 96 is in contact with the vertical link 91 for returning the vertical link 91. The polishing wheel 2 is reset in a spring resetting mode, and the method is simple and feasible.
When the tensioning mechanism 9 works, the transmission connecting rod 92 and the vertical connecting rod 91 are driven to move by manually controlling the tensioning handle 93, the sanding wheel 2 is driven to move back and forth in the same plane under the limitation of the guide rail 94, the moving distance is limited by the limiting groove 97 on the connecting block 95, so that the loosening and tensioning of the sanding belt polishing device are realized, the axial distance between the sanding wheel 2 and the driving wheel 31 can be adjusted, and the sanding belt can be mounted and dismounted; at the same time, when the length of the sanding belt changes due to long-term use, the length change of the sanding belt can also be compensated by the tensioning mechanism 9.
Preferably, the belt sander further comprises a detachable guard mechanism 10 mounted outside the belt sander for enclosing the belt sander. More preferably, the protection mechanism 10 in this embodiment is a protection cover. The protective cover is fixed on the supporting flat plate on the side surface of the grinding wheel 2, and wraps the abrasive belt grinding device, so that safety accidents are prevented. The protective cover is of a full-coating structure, so that personal injury caused by misoperation or negligence of an operator is effectively prevented. Wherein, keep off the cover door plant and be spring hasp movable structure, can open it when changing the abrasive band to change. The foam rubber is additionally arranged between the protective cover and the supporting flat plate, so that the protective cover is prevented from generating noise in the operation process.
Preferably, the belt sander further comprises a dust suction mechanism 11 arranged at the rear of the belt sander for removing dust. The dust suction mechanism 11 includes a dust collection cover 110, a dust suction device 111, and a dust suction duct 112 connecting the dust collection cover 110 and the dust suction device 111. The dust collecting cover 110 is located at the rear part of the workbench and used for collecting dust generated by polishing, cleaning is convenient, and the interface of the dust outlet and the dust collecting pipeline 112 is located at the lower part of the dust collecting cover 110. The dust suction mechanism 11 is separately installed and fixed.
Preferably, the sanding support frame 22 and the belt sander support frame 1 are fixed to a hardening station 23. The surface of the hardening workbench 23 is ground flat after being hardened, and is a thick steel plate with the thickness of 30mm, and through holes are punched in the steel plate, so that the auxiliary tool and the support frame are convenient to position. The hardening workbench 23 is arranged on the bottom support 24, the bottom support 24 is welded by a steel structure and is formed by welding square pipes, welding is firm, and overall rigidity is high. The electric control cabinet is arranged below the rack and is provided with stop, start and emergency stop buttons, so that the electric control cabinet is convenient to use and maintain, compact in structure and space-saving. In addition, still be equipped with the light on the abrasive band machine support frame 1 for provide the light source for polishing.
Above-mentioned abrasive band machine for foundry goods grinding, easy operation, it is practical high-efficient, can polish fast and get rid of the remaining runner of foundry goods, solved current polishing method inefficiency, easily arouse polish to scrap, intensity of labour is big, the poor problem of security, improved the polishing level of processing of foundry goods.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. An abrasive belt machine for grinding castings, which is characterized in that,
the device comprises a liftable abrasive belt grinding device for grinding castings, a hinged limiting mechanism arranged at the bottom of the abrasive belt grinding device, a pressing mechanism fixed on the abrasive belt grinding device and used for reducing the position of the abrasive belt grinding device, and a reset mechanism arranged at the rear end of the abrasive belt grinding device and used for restoring the abrasive belt grinding device to the original position, wherein the abrasive belt grinding device is arranged on an abrasive belt machine support frame (1) through the hinged limiting mechanism;
the abrasive belt grinding device comprises a grinding wheel (2) arranged at the front end and a driving wheel (31) driven by a motor (3), and the abrasive belt is connected with the grinding wheel (2) and the driving wheel (31) and driven by the motor (3) to rotate; a deviation adjusting wheel mechanism (32) for preventing the abrasive belt from deviating or separating is arranged between the grinding wheel (2) and the driving wheel (31); the grinding wheel (2) is a rubber coated wheel, so that the impact during cutting is effectively reduced, high-speed operation is ensured, and the cutting amount is large; the driving wheel (31) is made of aluminum alloy; the deviation adjusting wheel mechanism (32) comprises a deviation adjusting wheel, a wheel shaft, a mounting bracket, a bottom plate and a back pressure spring, prevents the abrasive belt from deviating or disengaging in the operation process of the abrasive belt polishing device, and can eliminate the abrasive belt deviation phenomenon caused by the fact that the axes of the main driving wheel and the driven driving wheel are not parallel in the manufacturing process;
the device is characterized by further comprising a tensioning mechanism (9) which is arranged on the side surface of the grinding wheel (2) and used for tensioning or replacing the abrasive belt, wherein the tensioning mechanism (9) is arranged on a supporting flat plate on the side surface of the grinding wheel (2), and the abrasive belt is tensioned or loosened by moving the position of the grinding wheel (2) so as to be convenient to replace the abrasive belt or compensate the length change of the abrasive belt after long-time use;
the tensioning mechanism (9) comprises a movable part connected with a shaft sleeve of the grinding wheel (2) and a limiting part for limiting the movement of the movable part; the tensioning mechanism (9) is connected with a shaft sleeve of the grinding wheel (2) through a movable part to drive the grinding wheel (2) to move back and forth; the tensioning mechanism (9) is also provided with a limiting part to limit the movement of the movable part, so that the aim of limiting the movement of the grinding wheel (2) is fulfilled;
the movable part comprises a vertical connecting rod (91) connected with a shaft sleeve of the grinding wheel (2), a transmission connecting rod (92) connected with the vertical connecting rod (91) and a tensioning handle (93) arranged on the transmission connecting rod (92), and the vertical connecting rod (91) is hinged with the transmission connecting rod (92) and the transmission connecting rod (92) is hinged with the tensioning handle (93); the movable part is of a linkage rod structure, and a transmission connecting rod (92) and a vertical connecting rod (91) are driven to move by operating a tensioning handle (93); the vertical connecting rod (91) is connected with the transmission connecting rod (92), and the transmission connecting rod (92) is connected with the tensioning handle (93) through a pulley (99);
the limiting component comprises a guide rail (94) used for limiting the vertical connecting rod (91) to move in a plane parallel to the grinding wheel (2) and a connecting block (95) used for limiting the displacement of the vertical connecting rod (91); the vertical connecting rod (91) is also provided with a second return spring (96) for returning the vertical connecting rod (91), and the second return spring (96) is sleeved on the guide rail (94); the adopted limiting component limits the grinding wheel (2) to move in the same plane through a guide rail (94), and limits the moving distance of the grinding wheel (2) in the direction of the guide rail (94) through a connecting block (95); the second return spring (96) is used for returning the vertical connecting rod (91) and the grinding wheel (2) to the initial position;
a limiting groove (97) is formed in the connecting block (95), and a limiting piece (98) at the lower part of the vertical connecting rod (91) moves in the limiting groove (97); the vertical connecting rod (91) is connected with the guide rail (94) through a sleeve (90); the limiting piece (98) is a bolt; the displacement of the vertical connecting rod (91) and the grinding wheel (2) can be accurately limited through the limit of the limit groove (97); the vertical connecting rod (91) is connected with the guide rail (94) through a sleeve (90), so that the friction force between the vertical connecting rod (91) and the guide rail (94) is reduced; and/or the second return spring (96) is in contact with the vertical link (91) for returning the vertical link (91); the grinding wheel (2) is reset by adopting a spring reset mode.
2. The belt sander for grinding castings according to claim 1, characterized in that,
the pressing mechanism comprises a connecting rod (4) arranged on the abrasive belt grinding device, and a pressing handle (5) is arranged at the end part of the connecting rod (4); and/or
The resetting mechanism comprises a first resetting spring (6) arranged at the rear end of the abrasive belt grinding device, and the first resetting spring (6) is adjusted through a movable screw (7) arranged at the lower end of the first resetting spring; the movable screw (7) is fixed on the support frame (1) of the belt sander.
3. The belt sander for grinding castings according to claim 1, characterized in that,
the hinged limiting mechanism comprises a limiting bolt arranged on the abrasive belt grinding device and a limiting block fixed on the hinge and used for limiting the position of the limiting bolt.
4. The belt sander for casting grinding of claim 3, wherein,
the limit bolts comprise a first limit bolt (81) for limiting the descending position of the belt sanding device and a second limit bolt (82) for limiting the ascending position of the belt sanding device; the limiting blocks comprise a first limiting block (83) matched with the first limiting bolt (81) and a second limiting block (84) matched with the second limiting bolt (82).
5. The belt sander for grinding castings according to claim 1, characterized in that,
the belt sander also comprises a detachable protection mechanism (10) which is arranged outside the belt sander and used for wrapping the belt sander; and/or
And the dust collection mechanism (11) is arranged at the rear part of the belt sanding device and is used for removing dust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711087577.0A CN107971893B (en) | 2017-11-07 | 2017-11-07 | Abrasive band machine for casting grinding |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711087577.0A CN107971893B (en) | 2017-11-07 | 2017-11-07 | Abrasive band machine for casting grinding |
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| CN107971893A CN107971893A (en) | 2018-05-01 |
| CN107971893B true CN107971893B (en) | 2020-02-04 |
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| CN109176252B (en) * | 2018-09-04 | 2020-06-26 | 广东磨克科技有限公司 | Sanding mechanism for sanding fillet |
| CN111644950B (en) * | 2020-06-12 | 2022-04-29 | 高邮市仁和机械配件厂 | Abrasive belt machine belt wheel device convenient to adjustment abrasive paper area rate of tension |
| CN117140287B (en) * | 2023-11-01 | 2023-12-26 | 江苏陆氏金刚石工具有限公司 | Diamond saw blade surface polishing equipment |
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| DE202005012147U1 (en) * | 2005-08-03 | 2005-12-15 | Möser Maschinenbau GmbH | Rail head grinding machine, has rail arranged with parallel abrasive belt and contact roller or molding tool, where delivery and pressing of belt occurs through pivotal point and elevating screw longitudinal to rail direction |
| CN200981188Y (en) * | 2006-12-08 | 2007-11-28 | 安东石油技术（集团）有限公司 | Abrasive band polishing machine |
| CN101181780A (en) * | 2007-12-20 | 2008-05-21 | 陈美青 | Tensioning device of polishing machine |
| CN201493732U (en) * | 2009-09-09 | 2010-06-02 | 傅明贵 | Tensioning mechanism of belt sander |
| CN205614111U (en) * | 2016-04-13 | 2016-10-05 | 林洁 | Safe building steel cutting machine |
| CN107042453A (en) * | 2017-06-07 | 2017-08-15 | 马鞍山市恒利达机械刀片有限公司 | A kind of device polished for cutter |
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2017
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202005012147U1 (en) * | 2005-08-03 | 2005-12-15 | Möser Maschinenbau GmbH | Rail head grinding machine, has rail arranged with parallel abrasive belt and contact roller or molding tool, where delivery and pressing of belt occurs through pivotal point and elevating screw longitudinal to rail direction |
| CN200981188Y (en) * | 2006-12-08 | 2007-11-28 | 安东石油技术（集团）有限公司 | Abrasive band polishing machine |
| CN101181780A (en) * | 2007-12-20 | 2008-05-21 | 陈美青 | Tensioning device of polishing machine |
| CN201493732U (en) * | 2009-09-09 | 2010-06-02 | 傅明贵 | Tensioning mechanism of belt sander |
| CN205614111U (en) * | 2016-04-13 | 2016-10-05 | 林洁 | Safe building steel cutting machine |
| CN107042453A (en) * | 2017-06-07 | 2017-08-15 | 马鞍山市恒利达机械刀片有限公司 | A kind of device polished for cutter |
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| CN107971893A (en) | 2018-05-01 |
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