A kind of triangle sander
Technical field
The utility model relates to a kind of woodwork process equipment, particularly a kind of triangle sander.
Background technology
Woodwork needs to adopt sand paper to carry out polishing to the outer surface of woodwork after having made, and makes the surface of woodwork comparatively smooth, thereby facilitates woodwork japanning.Yet, the polishing of existing woodwork is all by carpenter, to hold sand paper on the surface of woodwork, to carry out back and forth grinding and realizing back and forth, like this, the more difficult operation of carpenter when grinding not only long but also large woodwork, and carpenter directly contacts easily and is stabbed by woodwork with woodwork.
In view of this, the inventor furthers investigate above-mentioned defect, then in this case, produces.
Utility model content
The purpose of this utility model is to provide a kind of triangle sander, and it can facilitate carpenter to carry out grinding operation to long but also large wooden device not only, and carpenter directly contacts with woodwork and the problem that causes hand to be stabbed by woodwork while having avoided grinding.
The technical solution of the utility model is such: a kind of triangle sander, comprise support and the placement plate of placing for sheet material, above-mentioned placement plate is movably arranged on the upper surface of above-mentioned support in the mode that can move forward and backward, on above-mentioned support, be installed with the crossbeam in above-mentioned placement plate top, above-mentioned crossbeam extends setting along the left and right directions of above-mentioned support, above-mentioned support be provided with along the length direction of above-mentioned crossbeam around, and rotating closed-loop shaped is ground cotton yarn tape, and the mill yarn that above-mentioned closed-loop shaped is ground cotton yarn tape faces outer setting, above-mentioned crossbeam is in above-mentioned closed-loop shaped is ground cotton yarn tape, above-mentioned support is provided with controls the drive unit that above-mentioned closed-loop shaped is ground cotton yarn tape rotation, above-mentioned support is provided with the connecting shaft extending along the length direction of above-mentioned crossbeam, above-mentioned connecting shaft is in above-mentioned closed-loop shaped is ground cotton yarn tape, and the below in above-mentioned crossbeam, above-mentioned connecting shaft is arranged with the sliding sleeve that can slide along the axial direction of above-mentioned connecting shaft outward, above-mentioned sliding sleeve is installed with outward controls that above-mentioned sliding sleeve moves, and the action bars that stretches out and arrange, aforesaid operations bar is provided with in above-mentioned closed-loop shaped is ground cotton yarn tape, and grind with above-mentioned closed-loop shaped the pressing plate that cotton yarn tape is oppositely arranged.
On the left and right sides of above-mentioned support, be installed with respectively the left and right slide rail extending along the fore-and-aft direction of above-mentioned support, on the left and right sides of above-mentioned placement plate bottom surface, be respectively equipped with the left and right pulley matching with above-mentioned left and right slide rail.
On the left and right sides of above-mentioned support, be respectively equipped with a upwardly extending left side, right column, the two ends of above-mentioned crossbeam respectively with an above-mentioned left side, corresponding being fixedly connected with in end, upper end of right column, above-mentioned crossbeam and an above-mentioned left side, right column is one-body molded, the two ends of above-mentioned connecting shaft respectively with an above-mentioned left side, right column is corresponding to be fixedly connected with, above-mentioned support is positioned at top and an above-mentioned left side for above-mentioned crossbeam, right column is respectively equipped with rotating belt pulley outward, three belt pulleys form triangular structure, the axis at each longitudinal place of above-mentioned belt pulley is parallel mutually, and the axis at each longitudinal place of above-mentioned belt pulley is all mutually vertical with the axis of above-mentioned connecting shaft, above-mentioned closed-loop shaped is ground cotton yarn tape and is set around on three belt pulleys, an and above-mentioned left side, on right column, offer for above-mentioned closed-loop shaped and grind the cotton yarn tape perforation that cotton yarn tape passes.
Above-mentioned drive unit comprises drive motors and power transmission shaft, above-mentioned drive motors accumbency is fixed on outside above-mentioned right column, one end of above-mentioned power transmission shaft is fixedly connected with the output shaft of above-mentioned drive motors, and the wheel that the other end of above-mentioned power transmission shaft is fixed on the belt pulley outside above-mentioned right column in the heart.
The leading flank of above-mentioned mounting table convexes with the handle for operator grasps.
Aforesaid operations bar is obliquely installed obliquely, and aforesaid operations bar is arranged with fixed cover outward, and above-mentioned fixed cover extension is provided with the oblique connecting rod having a down dip, and above-mentioned pressing plate is fixedly connected with the lower end of above-mentioned connecting rod.
Adopt after technique scheme, a kind of triangle sander of the present utility model, during use, first woodwork to be ground is placed on mounting table, restart drive unit, and downward press operation bar, pressing plate on action bars is pressed on closed-loop shaped grinding cotton yarn tape, the position that simultaneously makes to be positioned at the closed-loop shaped grinding cotton yarn tape contacting with pressing plate contacts with the woodwork to be ground on mounting table, now along with the rotation of closed-loop shaped grinding cotton yarn tape can be ground this position of woodwork to be ground, if need only need when grinding on woodwork left and right directions to be ground on mounting table left and right to promote action bars, make sliding sleeve move back and forth and can realize along the axial direction of connecting shaft, if promote mounting table before and after need only needing when grinding on woodwork fore-and-aft direction to be ground on mounting table.Compared with prior art, by moving forward and backward with horizontally slipping of sliding sleeve of mounting table, can grind the not only surface of large but also long woodwork to be ground on mounting table comprehensively, easy to operate, simultaneously, carpenter is without contacting with grinding cotton yarn tape, while having avoided grinding because carpenter directly contacts with woodwork the problem that causes hand to be stabbed by woodwork.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure:
The specific embodiment
A kind of triangle sander of the present utility model, as shown in Figure 1, comprise support 1, the placement plate 2 of placing for sheet material and closed-loop shaped are ground cotton yarn tape 3, placing plate 2 is movably arranged on the upper surface of support 1 in the mode that can move forward and backward, be on the left and right sides of support 1, to be installed with respectively a left side of extending along the fore-and-aft direction of support 1, right slide rail 11, 12, the left side of placing plate 2 bottom surfaces is provided with and snaps in left slide rail 11, and the left chain wheel (not shown) of sliding along left slide rail 11, the right side of placing plate 2 bottom surfaces is provided with and snaps in right slide rail 12, and the right pulley 4 sliding along right slide rail 12, by a left side, right pulley is with left, right slide rail 11, 12 cooperation can realize places moving forward and backward of plate 2, on the left and right sides of this support 1, be respectively equipped with a upwardly extending left side, right column 13, 14, left, right column 13, between 14 end, upper end, be provided with crossbeam 5, crossbeam 5 is in mounting table 2 tops, crossbeam 5 is with left, right column 13, 14 is one-body molded, left, right column 13, between 14, be provided with the connecting shaft 6 between crossbeam 5 and mounting table 2, support 1 is positioned at top and a left side for crossbeam 5, right column 13, outside 14, be respectively equipped with rotating belt pulley 7, three belt pulleys 7 form triangular structure, the axis at each belt pulley 7 longitudinal places is parallel mutually, and the axis at each belt pulley 7 longitudinal places is all mutually vertical with the axis of connecting shaft 6, this closed-loop shaped is ground cotton yarn tape 3 and is set around on three belt pulleys 7, and the mill yarn face 31 that closed-loop shaped is ground cotton yarn tape 3 arranges outwardly, on left column 13, offer for closed-loop shaped and grind the cotton yarn tape perforation 131 that cotton yarn tape 3 passes, on right column 14, offer for closed-loop shaped and grind the cotton yarn tape perforation (not shown) that cotton yarn tape 3 passes, by three belt pulleys 7 and the perforation of two cotton yarn tapes, can realize the installation that closed-loop shaped is ground abrasive band 3, and crossbeam 5 and connecting shaft 6 are all in closed-loop shaped is ground abrasive band 3.
This support 1 is provided with Control loop shape and grinds the drive unit that cotton yarn tape 3 rotates, this drive unit comprises drive motors 8 and power transmission shaft (not shown), drive motors 8 accumbency are fixed on outside right column 14, one end of power transmission shaft is fixedly connected with the output shaft of drive motors 8, the wheel that the other end of power transmission shaft is fixed on the belt pulley outside right column in the heart, the rotation of drive motors 8 can drive the belt pulley outside right column to rotate through power transmission shaft, the rotation that the rotation of this belt pulley can drive another two belt pulleys 7 and closed-loop shaped to grind cotton yarn tape 3.
The outer sliding sleeve 61 that can slide along the axial direction of connecting shaft 6 that is arranged with of this connecting shaft 6, sliding sleeve 61 is outer to be installed with and to control that sliding sleeve 61 moves, and be tilted to obliquely the action bars 9 that extension arranges, action bars 9 is provided with in closed-loop shaped is ground cotton yarn tape 3, and grind with closed-loop shaped the pressing plate 91 that cotton yarn tape 3 is oppositely arranged, the outer fixed cover 92 that is arranged with of this action bars 9, fixed cover 92 extensions are provided with the oblique connecting rod having a down dip 93, the lower end of this connecting rod 93 is fixedly connected with pressing plate 91, by the left and right of action bars 9, pass and can drive sliding sleeve 61 to slide along connecting shaft 6, the left and right of action bars 9 is passed to move pressing plate 91 can be moved up at the right and left of mounting table 2, and make pressing plate 91 closed-loop shaped can be ground to cotton yarn tape 3 in connecting shaft 6 and position between mounting table 2, to press to the upper surface of mounting table 2 and contact with the woodwork to be ground on mounting table to pressing down by action bars 9.
A kind of triangle sander of the present utility model, during use, first woodwork to be ground is placed on mounting table 2, restart drive motors 8, drive motors 8 drives closed-loop shaped to grind abrasive band 3 and rotates, and downward press operation bar 9, pressing plate 91 on action bars 9 can be pressed in closed-loop shaped downwards and grind cotton yarn tape 3 on the position between connecting shaft 6 and mounting table 2, the position that simultaneously makes to be positioned at the closed-loop shaped grinding cotton yarn tape 3 contacting with pressing plate 91 contacts with the woodwork to be ground on mounting table 2, now along with the rotation of closed-loop shaped grinding cotton yarn tape 3 can be ground this position of woodwork to be ground, like this, if need only need when grinding on woodwork left and right directions to be ground on mounting table 2 left and right to promote action bars 9, make sliding sleeve 61 move back and forth and can realize along the axial direction of connecting shaft 6, if promote mounting table 2 before and after need only needing when grinding on woodwork fore-and-aft direction to be ground on mounting table 2.Compared with prior art, grind comprehensively on the surface that can make closed-loop shaped grind on 3 pairs of mounting tables 2 of cotton yarn tape not only large but also long woodwork to be ground with horizontally slipping of sliding sleeve 61 that moves forward and backward by mounting table 2, easy to operate, simultaneously, carpenter is without contacting with grinding cotton yarn tape, while having avoided grinding because carpenter directly contacts with woodwork the problem that causes hand to be stabbed by woodwork.
In the utility model, the leading flank of mounting table 2 convexes with the handle 21 for operator grasps, can facilitate carpenter to promote mounting table 2 move forward and backward by this handle 21.
Above-described embodiment and graphic and non-limiting product form of the present utility model and style, suitable variation or modification that any person of an ordinary skill in the technical field does it, all should be considered as not departing from patent category of the present utility model.