CN216731124U - Precision abrasive belt machine - Google Patents
Precision abrasive belt machine Download PDFInfo
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- CN216731124U CN216731124U CN202123428860.XU CN202123428860U CN216731124U CN 216731124 U CN216731124 U CN 216731124U CN 202123428860 U CN202123428860 U CN 202123428860U CN 216731124 U CN216731124 U CN 216731124U
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Abstract
The utility model discloses a precision belt sander, which comprises a base, wherein a supporting plate is vertically arranged on the base, a first belt sanding mechanism, a second belt sanding mechanism and a third belt sanding mechanism are sequentially arranged on one side of the supporting plate, and the first belt sanding mechanism, the second belt sanding mechanism and the third belt sanding mechanism can perform sanding work independently. The precise belt sander can better precisely sand a smaller workpiece when a first abrasive belt, a second abrasive belt and a third abrasive belt are respectively in transmission through a smaller first abrasive belt contact wheel, a smaller second abrasive belt contact wheel and a smaller third abrasive belt contact wheel, and can simultaneously drive a plurality of abrasive belts to transmit through the first abrasive belt, the second abrasive belt and the third abrasive belt, so that the whole structure is compact, the same space is available, and three kinds of abrasive belts can be simultaneously installed.
Description
Technical Field
The utility model relates to the field of abrasive belt machines, in particular to a precise abrasive belt machine.
Background
The abrasive band machine of polishing on the existing market all adopts power wheel belt abrasive band and contact wheel, like bulletin number: chinese utility model CN 209036233U, an "belt sander", specifically discloses "a belt sander comprising a frame, a drive roll, a driven roll and a first motor connected to the drive roll; the abrasive belt reciprocating device is characterized by comprising a driven roller bracket and a second motor, wherein the driven roller is rotationally connected with the driven roller bracket; the driven roller bracket is internally provided with a swing shaft part connected with the rack, the second motor is fixed on the rack, and a rotating shaft of the second motor is connected with the driven roller bracket through a cam transmission structure; when the rotating shaft of the motor rotates, the driven roller swings around the axis of the swing shaft part in the driven roller bracket. However, the contact wheel of the prior belt sander has a large diameter, and can only be used for polishing the surface of a product with a large area and a regular outer contour. For steam turbine blades; an aircraft engine blade; precision polishing, multi-curved surface and high-precision surface polishing of artificial joints and the like cannot be performed adequately. In addition, the traditional belt sander has short sanding belt stroke, so that the sanding belt is not durable, the sanding belt needs to be frequently replaced, and the production is influenced, so that the technical problem needs to be solved by a precise belt sander.
SUMMERY OF THE UTILITY MODEL
The present invention aims to overcome the above-mentioned shortcomings and provide a technical solution to solve the above-mentioned problems.
The precise belt sander comprises a base, wherein a supporting plate is vertically arranged on the base, a first belt sanding mechanism, a second belt sanding mechanism and a third belt sanding mechanism are sequentially arranged on one side of the supporting plate, and the first belt sanding mechanism, the second belt sanding mechanism and the third belt sanding mechanism can perform sanding work independently.
As a further scheme of the utility model: the first belt sanding mechanism, the second belt sanding mechanism and the third belt sanding mechanism can be tensioned independently.
As a further scheme of the utility model: the first abrasive belt polishing mechanism comprises a first abrasive belt, the second abrasive belt polishing mechanism comprises a second abrasive belt, the third abrasive belt polishing mechanism comprises a third abrasive belt, the first abrasive belt, the second abrasive belt and the third abrasive belt are sequentially arranged on the front side of the supporting plate from front to back, a first tightness adjusting device, a second tightness adjusting device and a third tightness adjusting device are sequentially arranged on the base from front to back, the first tightness adjusting device is used for tensioning the first abrasive belt, the second tightness adjusting device is used for tensioning the second abrasive belt, and the second tightness adjusting device is used for tensioning the second abrasive belt.
As a further scheme of the utility model: the front side of the supporting plate is transversely provided with a power rotating shaft, a power wheel in rolling fit with the power rotating shaft is sleeved outside the power rotating shaft, the rear side of the supporting plate is provided with a driving motor for driving the power rotating shaft to rotate, the first abrasive belt, the second abrasive belt and the third abrasive belt are sequentially sleeved outside the power wheel from front to back, and the power wheel is in transmission fit with the first abrasive belt, the second abrasive belt and the third abrasive belt.
As a further scheme of the utility model: the front side of the supporting plate is fixed with a first mounting seat through screws, the first mounting seat is obliquely arranged towards the right, a first contact arm is transversely fixed in front of the first mounting seat through screws, the right end of the first contact arm is provided with a first mounting notch, a first abrasive belt contact wheel which is rotationally matched with the first mounting notch is arranged in the first mounting notch, a first abrasive belt is sleeved outside the first abrasive belt contact wheel and is in transmission fit with the first abrasive belt contact wheel, the front side of the supporting plate is vertically provided with a second mounting seat, the second mounting seat is positioned at the left side of the first mounting seat, a second contact arm is transversely fixed in front of the second mounting seat through screws, the right end of the second contact arm is provided with a second mounting notch, a second abrasive belt contact wheel which is rotationally matched with the second mounting notch is arranged in the second mounting notch, the second abrasive belt is sleeved outside the second abrasive belt contact wheel and is in transmission fit with the second abrasive belt contact wheel, the front side of the supporting plate is provided with a third mounting seat, the third mounting seat is positioned below the second mounting seat and is arranged symmetrically with the second mounting seat, a third contact arm is transversely fixed in front of the third mounting seat through a screw, a third mounting notch is formed in the right end of the third contact arm, a third abrasive belt contact wheel rotationally matched with the third mounting notch is arranged in the third mounting notch, and the third abrasive belt is sleeved outside the third abrasive belt contact wheel and is in transmission fit with the third abrasive belt contact wheel.
As a further scheme of the utility model: two first contact tension rotating shafts are transversely arranged on the front side of the first mounting seat, a first contact tension roller which is in rotating fit with the first contact tension rotating shafts is sleeved outside the first contact tension rotating shafts, a first abrasive belt is sleeved outside the first contact tension roller, and is in transmission fit with the first contact tension roller, two second contact tension rotating shafts are transversely arranged on the front side of the second mounting seat, a second contact tension roller which is in rotation fit with the second contact tension rotating shafts is sleeved outside the second contact tension rotating shafts, a second abrasive belt is sleeved outside the second contact tension roller, and is in transmission fit with the second contact tension roller, two third contact tension rotating shafts are transversely arranged on the front side of the third mounting seat, a third contact tension roller in rotation fit with the third contact tension rotating shafts is sleeved outside the third contact tension rotating shafts, and a third abrasive belt is sleeved outside the third contact tension roller and is in transmission fit with the third contact tension roller.
As a further scheme of the utility model: two fourth contact tension rotating shafts are arranged on the front side of the supporting plate, a fourth contact tension roller in running fit with the fourth contact tension rotating shafts is sleeved outside the fourth contact tension rotating shafts, and a fourth abrasive belt is sleeved outside the fourth contact tension roller and in running fit with the fourth contact tension roller.
As a further scheme of the utility model: an adjusting rotating shaft is transversely arranged on the front side of the supporting plate, a first adjusting plate, a second adjusting plate and a third adjusting plate are sequentially sleeved outside the adjusting rotating shaft from front to back, rotating holes which are in rotating fit with the adjusting rotating shaft are formed in the first adjusting plate, the second adjusting plate and the third adjusting plate, a first tightness adjusting device, a second tightness adjusting device and a third tightness adjusting device are air cylinders, the upper end of a piston rod of the first tightness adjusting device is hinged with one side of the first adjusting plate, a first tension adjusting rotating shaft is arranged in front of the first adjusting plate, a first tension adjusting roller which is in rotating fit with the first tension adjusting rotating shaft is sleeved outside the first tension adjusting roller, a first abrasive belt is sleeved outside the first tension adjusting roller and is in transmission fit with the first tension adjusting roller, the upper end of a piston rod of the second tension adjusting device is hinged with one side of the second adjusting plate, a second tension adjusting rotating shaft is arranged in front of the second adjusting plate, the second adjustment tension roller is sleeved outside the second adjustment tension rotating shaft in a rotating fit mode, the second abrasive belt is sleeved outside the second adjustment tension roller and is in transmission fit with the second adjustment tension roller, the upper end of a piston rod of a third tightness adjusting device is hinged to one side of a third adjusting plate, a third adjustment tension rotating shaft is arranged in front of the third adjusting plate, the third adjustment tension roller is sleeved outside the third adjustment tension rotating shaft in a rotating fit mode, and the third abrasive belt is sleeved outside the third adjustment tension roller and is in transmission fit with the third adjustment tension roller.
As a further scheme of the utility model: the front side of the supporting plate is provided with a first rotating shaft, a second rotating shaft, a third rotating shaft and a fourth rotating shaft from top to bottom in sequence, the first rotating shaft is sleeved with a first tension roller in rotating fit with the first rotating shaft, the second rotating shaft is sleeved with a second tension roller in rotating fit with the second rotating shaft, the third rotating shaft is sleeved with a third tension roller in rotating fit with the third rotating shaft, the fourth rotating shaft is sleeved with a fourth tension roller in rotating fit with the fourth rotating shaft, and the first abrasive belt, the second abrasive belt and the third abrasive belt are sleeved outside the first tension roller, the second tension roller, the third tension roller and the fourth tension roller and are in transmission fit with the first tension roller, the second tension roller, the third tension roller and the fourth tension roller.
As a further scheme of the utility model: a case is vertically arranged on the base, and the supporting plate, the first abrasive belt polishing mechanism, the second abrasive belt polishing mechanism and the third abrasive belt polishing mechanism are located in the case.
Compared with the prior art, the utility model has the beneficial effects that:
through the smaller first abrasive belt contact wheel, the smaller second abrasive belt contact wheel and the smaller third abrasive belt contact wheel, when the first abrasive belt, the second abrasive belt and the third abrasive belt are respectively driven with the first abrasive belt contact wheel, the second abrasive belt and the third abrasive belt, the smaller workpiece can be precisely polished.
Through the first abrasive belt, the second abrasive belt and the third abrasive belt, the power wheel can simultaneously drive the abrasive belts to transmit, so that the whole structure is compact, three kinds of abrasive belts can be simultaneously installed in the same space.
The contact sizes of the first abrasive belt contact wheel, the second abrasive belt contact wheel and the third abrasive belt contact wheel at the front end can be reduced to adapt to deep curved surface grinding by the first tensioning roller, the second tensioning roller, the third tensioning roller and the fourth tensioning roller so that the first abrasive belt, the second abrasive belt and the third abrasive belt are parallel to the first contact arm, the second contact arm and the third contact arm.
Through first elasticity adjusting device, second elasticity adjusting device and third elasticity adjusting device for when first elasticity adjusting device, second elasticity adjusting device and third elasticity adjusting device drive first regulating plate, second regulating plate and third regulating plate pivoted respectively, carry out independent control to the elasticity in first abrasive band, second abrasive band and third abrasive band, in order to adapt to different abrasive band lengths, each other does not influence.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of the present invention.
Figure 2 is a schematic diagram of a first belt sanding mechanism of the present invention.
FIG. 3 is a schematic view of a first slack adjuster of the present invention.
Figure 4 is a schematic view of a first belt contact wheel configuration of the present invention.
In the figure: 1. a machine box, 2, a base, 3, a support plate, 5, a first belt grinding mechanism, 6, a second belt grinding mechanism, 7, a third belt grinding mechanism, 8, a first tightness adjusting device, 9, a second tightness adjusting device, 10, a third tightness adjusting device, 11, a driving motor, 12, a power wheel, 13, a power rotating shaft, 14, a first belt, 15, a second belt, 16, a third belt, 17, a first contact arm, 18, a first installation gap, 19, a first belt contact wheel, 20, a second contact arm, 21, a second installation gap, 22, a second belt contact wheel, 23, a third contact arm, 24, a third installation gap, 25, a third belt contact wheel, 26, a first installation seat, 27, a second installation seat, 28, a third installation seat, 29, a first contact tension rotating shaft, 30, a first contact tension roller, 31, a second contact tension rotating shaft, 32. a second contact tension roller 33, a third contact tension roller 34, a third contact tension roller 35, a fourth contact tension roller 36, a fourth contact tension roller 37, a first tension roller 38, a first rotation shaft 39, a second tension roller 40, a second rotation shaft 41, a third tension roller 42, a third rotation shaft 43, a fourth tension roller 44, a fourth rotation shaft 45, an adjusting rotation shaft 46, a first adjusting plate 47, a first adjusting tension roller 48, a rotation hole 49, a second adjusting tension roller 50, a first adjusting tension roller 51, a third adjusting tension roller 52, a second adjusting tension roller 53, a third adjusting tension roller 54, a second adjusting plate 55, a third adjusting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, in an embodiment of the present invention, a precision belt sander includes a base 2, a support plate 3 is vertically disposed on the base 2, a first belt sanding mechanism 5, a second belt sanding mechanism 6, and a third belt sanding mechanism 7 are sequentially disposed on one side of the support plate 3, and the first belt sanding mechanism 5, the second belt sanding mechanism 6, and the third belt sanding mechanism 7 can perform sanding work independently of each other.
The first belt sanding mechanism 5, the second belt sanding mechanism 6 and the third belt sanding mechanism 7 may be tensioned independently.
The first abrasive belt grinding mechanism 5 comprises a first abrasive belt 14, the second abrasive belt grinding mechanism 6 comprises a second abrasive belt 15, the third abrasive belt grinding mechanism 7 comprises a third abrasive belt 16, the first abrasive belt 14, the second abrasive belt 15 and the third abrasive belt 16 are sequentially arranged on the front side of the support plate 3 from front to back, a first tightness adjusting device 8, a second tightness adjusting device 9 and a third tightness adjusting device 10 are sequentially arranged on the base 2 from front to back, the first tightness adjusting device 8 is used for tensioning the first abrasive belt 14, the second tightness adjusting device 9 is used for tensioning the second abrasive belt 15, sensors for monitoring breakage of the first abrasive belt 14, the second abrasive belt 15 and the third abrasive belt 16 can be installed outside the first tightness adjusting device 8, the second tightness adjusting device 9 and the third tightness adjusting device 10, so that after the abrasive belts are broken, the sanding is stopped in time to avoid damage to the first belt contact wheel 19, the second belt contact wheel 22 and the third belt contact wheel 2.
The front side of the supporting plate 3 is transversely provided with a power rotating shaft 13, a power wheel 12 in rolling fit with the power rotating shaft 13 is sleeved outside the power rotating shaft 13, the rear side of the supporting plate 3 is provided with a driving motor 11 for driving the power rotating shaft 13 to rotate, a first abrasive belt 14, a second abrasive belt 15 and a third abrasive belt 16 are sequentially sleeved outside the power wheel 12 from front to back, and the power wheel 12 is in transmission fit with the first abrasive belt 14, the second abrasive belt 15 and the third abrasive belt 16.
A first installation seat 26 is fixed on the front side of the support plate 3 through screws, the first installation seat 26 is arranged obliquely rightwards, a first contact arm 17 is fixed on the front of the first installation seat 26 transversely through screws, a first installation notch 18 is formed in the right end of the first contact arm 17, a first abrasive belt contact wheel 19 which is rotatably matched with the first installation notch 18 is arranged in the first installation notch 18, a first abrasive belt 14 is sleeved outside the first abrasive belt contact wheel 19 and is in transmission matching with the first abrasive belt contact wheel 19, a second installation seat 27 is vertically arranged on the front side of the support plate 3, the second installation seat 27 is positioned on the left side of the first installation seat 26, a second contact arm 20 is fixed on the front of the second installation seat 27 transversely through screws, a second installation notch 21 is formed in the right end of the second contact arm 20, a second abrasive belt contact wheel 22 which is rotatably matched with the second installation notch 21 is arranged in the second installation notch 21, and a second abrasive belt 15 is sleeved outside the second abrasive belt contact wheel 22, and is in transmission fit with the second abrasive belt contact wheel 22, the front side of the support plate 3 is provided with a third mounting seat 28, the third mounting seat 28 is positioned below the second mounting seat 27 and is symmetrically arranged with the second mounting seat 27, a third contact arm 23 is transversely fixed in front of the third mounting seat 28 through a screw, the right end of the third contact arm 23 is provided with a third mounting notch 24, a third abrasive belt contact wheel 25 which is in rotation fit with the third mounting notch 24 is arranged in the third mounting notch 24, and the third abrasive belt 16 is sleeved outside the third abrasive belt contact wheel 25 and is in transmission fit with the third abrasive belt contact wheel 25.
Two first contact tension rotating shafts 29 are transversely arranged on the front side of the first mounting seat 26, a first contact tension roller 30 which is in rotating fit with the first contact tension rotating shafts 29 is sleeved outside the first contact tension rotating shafts 29, a first abrasive belt 14 is sleeved outside the first contact tension roller 30 and is in transmission fit with the first contact tension roller 30, two second contact tension rotating shafts 31 are transversely arranged on the front side of the second mounting seat 27, a second contact tension roller 32 which is in rotating fit with the second contact tension rotating shafts 31 is sleeved outside the second contact tension rotating shafts 31, a second abrasive belt 15 is sleeved outside the second contact tension roller 32 and is in transmission fit with the second contact tension roller 32, two third contact tension rotating shafts 33 are transversely arranged on the front side of the third mounting seat 28, a third contact tension roller 34 which is in rotating fit with the third contact tension rotating shafts 33 is sleeved outside the third contact tension rotating shafts 33, third abrasive belt 16 is disposed outside third contact tension roller 34 and is in driving engagement with third contact tension roller 34.
Two fourth contact tension rotating shafts 36 are arranged on the front side of the supporting plate 3, a fourth contact tension roller 35 in rotary fit with the fourth contact tension rotating shafts 36 is sleeved outside the fourth contact tension rotating shafts 36, and a fourth abrasive belt is sleeved outside the fourth contact tension roller 35 and in transmission fit with the fourth contact tension roller 35.
An adjusting rotating shaft 45 is transversely arranged on the front side of the supporting plate 3, a first adjusting plate 46, a second adjusting plate 54 and a third adjusting plate 55 are sequentially sleeved outside the adjusting rotating shaft 45 from front to back, a rotating hole 48 which is in rotating fit with the adjusting rotating shaft 45 is formed in each of the first adjusting plate 46, the second adjusting plate 54 and the third adjusting plate 55, a first tightness adjusting device 8, a second tightness adjusting device 9 and a third tightness adjusting device 10 are cylinders, the upper end of a piston rod of the first tightness adjusting device 8 is hinged to one side of the first adjusting plate 46, a first tension adjusting rotating shaft 47 is arranged in front of the first adjusting plate 46, a first tension adjusting roller 50 which is in rotating fit with the first tension adjusting rotating shaft 47 is sleeved outside the first tension adjusting roller 50, a first abrasive belt 14 is sleeved outside the first tension adjusting roller 50 and is in transmission fit with the first tension adjusting roller 50, the upper end of a piston rod of the second tension adjusting device 9 is hinged to one side of the second adjusting plate 54, a second adjusting tension rotating shaft 49 is arranged in front of a second adjusting plate 54, a second adjusting tension roller 52 which is in rotating fit with the second adjusting tension rotating shaft 49 is sleeved outside the second adjusting tension rotating shaft 49, a second abrasive belt 15 is sleeved outside the second adjusting tension roller 52 and is in transmission fit with the second adjusting tension roller 52, the upper end of a piston rod of the third tightness adjusting device 10 is hinged with one side of a third adjusting plate 55, a third adjusting tension rotating shaft 51 is arranged in front of the third adjusting plate 55, a third adjusting tension roller 53 which is in rotating fit with the third adjusting tension rotating shaft 51 is sleeved outside the third adjusting tension rotating shaft 51, and a third abrasive belt 16 is sleeved outside the third adjusting tension roller 53 and is in transmission fit with the third adjusting tension roller 53.
The front side of the supporting plate 3 is provided with a first rotating shaft 38, a second rotating shaft 40, a third rotating shaft 42 and a fourth rotating shaft 44 from top to bottom in sequence, the first rotating shaft 38 is externally sleeved with a first tension roller 37 which is in rotating fit with the first rotating shaft 38, the second rotating shaft 40 is externally sleeved with a second tension roller 39 which is in rotating fit with the second rotating shaft 40, the third rotating shaft 42 is externally sleeved with a third tension roller 41 which is in rotating fit with the third rotating shaft 42, the fourth rotating shaft 44 is externally sleeved with a fourth tension roller 43 which is in rotating fit with the fourth rotating shaft 44, and the first abrasive belt 14, the second abrasive belt 15 and the third abrasive belt 16 are externally sleeved with the first tension roller 37, the second tension roller 39, the third tension roller 41 and the fourth tension roller 43 and are in transmission fit with the first tension roller 37, the second tension roller 39, the third tension roller 41 and the fourth tension roller 43.
A case 1 is vertically arranged on the base 2, and the supporting plate 3, the first abrasive belt grinding mechanism 5, the second abrasive belt grinding mechanism 6 and the third abrasive belt grinding mechanism 7 are located in the case 1.
When driving motor 11 drives power wheel 12 to rotate, power wheel 12 drives first abrasive belt 14, second abrasive belt 15 and third abrasive belt 16 to transmit, first abrasive belt 14 drives first abrasive belt contact wheel 19 of first contact arm 17 to transmit, so that the workpiece can be polished by first abrasive belt 14 outside first abrasive belt contact wheel 19 alone, second abrasive belt 15 drives second abrasive belt contact wheel 22 of second contact arm 20 to transmit, so that the workpiece can be polished by second abrasive belt 15 outside second abrasive belt contact wheel 22 alone, third abrasive belt 16 drives third abrasive belt contact wheel 25 of third contact arm 23 to transmit, so that the workpiece can be polished by third abrasive belt 16 outside third abrasive belt contact wheel 25 alone, when first adjusting plate 46 is pushed upwards by first slack adjusting device 8, the left side of first adjusting plate 46 is rotated upwards, so that first abrasive belt 14 is slack, when second adjusting plate 54 is pushed upwards by second adjusting device 9, the right side of the second adjusting plate 54 rotates upwards to loosen the second abrasive belt 15, when the third adjusting plate 55 is pushed upwards by the third tightness adjusting device 10, the left side of the third adjusting plate 55 rotates upwards to loosen the third abrasive belt 16, so that multi-station grinding is realized, a smaller workpiece is subjected to deep curved surface grinding by using the smaller first abrasive belt contact wheel 19, the smaller second abrasive belt contact wheel 22 and the smaller third abrasive belt contact wheel 2, the structure is compact, the same space is available, and the first abrasive belt 14, the second abrasive belt 15 and the third abrasive belt 16 can be installed at the same time.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (10)
1. The precise belt sander is characterized by comprising a base, wherein a supporting plate is vertically arranged on the base, a first belt sanding mechanism, a second belt sanding mechanism and a third belt sanding mechanism are sequentially arranged on one side of the supporting plate, and the first belt sanding mechanism, the second belt sanding mechanism and the third belt sanding mechanism can perform sanding work independently.
2. The precision belt sander of claim 1, wherein the first belt sander mechanism, the second belt sander mechanism, and the third belt sander mechanism are independently tensionable.
3. The precision belt sander of claim 2, wherein the first belt sanding mechanism comprises a first belt, the second belt sanding mechanism comprises a second belt, the third belt sanding mechanism comprises a third belt, the first belt, the second belt, and the third belt are sequentially disposed from front to back on the front side of the support plate, the base is sequentially disposed from front to back with a first slack adjuster, a second slack adjuster, and a third slack adjuster, the first slack adjuster is used to tension the first belt, the second slack adjuster is used to tension the second belt, and the second slack adjuster is used to tension the second belt.
4. The precise belt sander as set forth in claim 3, wherein a power shaft is transversely disposed on the front side of the support plate, a power wheel is sleeved on the power shaft for rolling engagement with the power shaft, a driving motor is disposed on the rear side of the support plate for driving the power shaft to rotate, the first abrasive belt, the second abrasive belt and the third abrasive belt are sequentially sleeved on the power wheel from front to back, and the power wheel is in driving engagement with the first abrasive belt, the second abrasive belt and the third abrasive belt.
5. The precise belt sander as claimed in claim 4, wherein a first mounting seat is fixed on the front side of the supporting plate through screws, the first mounting seat is arranged obliquely to the right, a first contact arm is fixed on the front side of the first mounting seat through screws in a transverse direction, a first mounting notch is formed in the right end of the first contact arm, a first belt contact wheel rotationally matched with the first mounting notch is arranged in the first mounting notch, a first belt is sleeved outside the first belt contact wheel and is in transmission fit with the first belt contact wheel, a second mounting seat is vertically arranged on the front side of the supporting plate, the second mounting seat is located on the left side of the first mounting seat, a second contact arm is fixed on the front side of the second mounting seat through screws in a transverse direction, a second mounting notch is formed in the right end of the second belt contact wheel, a second belt contact wheel rotationally matched with the second mounting notch is arranged in the second mounting notch, and is sleeved outside the second belt contact wheel, the third installation seat is positioned below the second installation seat and is symmetrically arranged with the second installation seat, a third contact arm is transversely fixed in front of the third installation seat through a screw, a third installation gap is formed at the right end of the third contact arm, a third abrasive belt contact wheel which is rotationally matched with the third installation gap is arranged in the third installation gap, and the third abrasive belt is sleeved outside the third abrasive belt contact wheel and is in transmission fit with the third abrasive belt contact wheel.
6. The precision belt sander as set forth in claim 5, wherein the first mounting seat has two first contact tension rollers transversely disposed on the front side, the first contact tension rollers are sleeved with first contact tension rollers rotatably engaged with the first contact tension rollers, the first sanding belt is sleeved on the first contact tension rollers and is in driving engagement with the first contact tension rollers, the second mounting seat has two second contact tension rollers transversely disposed on the front side, the second contact tension rollers are sleeved with second contact tension rollers rotatably engaged with the second contact tension rollers, the second sanding belt is sleeved on the second contact tension rollers and is in driving engagement with the second contact tension rollers, the third mounting seat has two third contact tension rollers transversely disposed on the front side, the third contact tension rollers are sleeved with third contact tension rollers rotatably engaged with the third contact tension rollers, the third abrasive belt is sleeved outside the third contact tension roller and is in transmission fit with the third contact tension roller.
7. The precision belt sander as recited in claim 6, wherein two fourth contact tension rollers are disposed on the front side of the support plate, a fourth contact tension roller rotatably engaged with the fourth contact tension rollers is sleeved on the fourth contact tension rollers, and a fourth abrasive belt is sleeved on the fourth contact tension rollers and drivingly engaged with the fourth contact tension rollers.
8. The precise belt sander as claimed in claim 3, wherein the front side of the supporting plate is transversely provided with an adjusting rotating shaft, the adjusting rotating shaft is sequentially sleeved with a first adjusting plate, a second adjusting plate and a third adjusting plate from front to back, the first adjusting plate, the second adjusting plate and the third adjusting plate are internally provided with rotating holes which are in rotating fit with the adjusting rotating shaft, the first tightness adjusting device, the second tightness adjusting device and the third tightness adjusting device are air cylinders, the upper end of a piston rod of the first tightness adjusting device is hinged with one side of the first adjusting plate, the first adjusting plate is provided with a first tension adjusting rotating shaft in front, the first tension adjusting rotating shaft is sleeved with a first tension adjusting roller which is in rotating fit with the first tension adjusting rotating shaft, the first abrasive belt is sleeved outside the first tension adjusting roller and is in driving fit with the first tension adjusting roller, the upper end of a piston rod of the second tension adjusting device is hinged with one side of the second adjusting plate, a second adjusting tension rotating shaft is arranged in front of the second adjusting plate, a second adjusting tension roller which is in running fit with the second adjusting tension rotating shaft is sleeved outside the second adjusting tension rotating shaft, a second abrasive belt is sleeved outside the second adjusting tension roller and is in running fit with the second adjusting tension roller, the upper end of a piston rod of a third tension adjusting device is hinged with one side of a third adjusting plate, a third adjusting tension rotating shaft is arranged in front of the third adjusting plate, a third adjusting tension roller which is in running fit with the third adjusting tension rotating shaft is sleeved outside the third adjusting tension rotating shaft, and a third abrasive belt is sleeved outside the third adjusting tension roller and is in running fit with the third adjusting tension roller.
9. The precise belt sander as recited in claim 3, wherein the front side of the supporting plate is provided with a first rotating shaft, a second rotating shaft, a third rotating shaft and a fourth rotating shaft in sequence from top to bottom, the first rotating shaft is sleeved with a first tension roller in rotating fit with the first rotating shaft, the second rotating shaft is sleeved with a second tension roller in rotating fit with the second rotating shaft, the third rotating shaft is sleeved with a third tension roller in rotating fit with the third rotating shaft, the fourth rotating shaft is sleeved with a fourth tension roller in rotating fit with the fourth rotating shaft, and the first abrasive belt, the second abrasive belt and the third abrasive belt are sleeved with the first tension roller, the second tension roller, the third tension roller and the fourth tension roller and are in driving fit with the first tension roller, the second tension roller, the third tension roller and the fourth tension roller.
10. The precision belt sander according to claim 1, wherein a cabinet is vertically arranged on the base, and the support plate, the first belt sanding mechanism, the second belt sanding mechanism and the third belt sanding mechanism are located in the cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123428860.XU CN216731124U (en) | 2021-12-31 | 2021-12-31 | Precision abrasive belt machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123428860.XU CN216731124U (en) | 2021-12-31 | 2021-12-31 | Precision abrasive belt machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216731124U true CN216731124U (en) | 2022-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123428860.XU Active CN216731124U (en) | 2021-12-31 | 2021-12-31 | Precision abrasive belt machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114393481A (en) * | 2021-12-31 | 2022-04-26 | 广东珂斯顿机器人科技有限公司 | Precision abrasive belt machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114393481A (en) * | 2021-12-31 | 2022-04-26 | 广东珂斯顿机器人科技有限公司 | Precision abrasive belt machine |
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