CN209477930U - A kind of belt sander for steel watchcase of polishing - Google Patents

Abstract

The utility model discloses a kind of belt sanders of steel watchcase of polishing, including rack, it is described to be rotatably connected to driving wheel, the driving wheel is fixedly connected with motor, the housing slide is connected with bracket, the holder pivots are connected with driven wheel, the rack is hinged with handle, the handle is connected with sliding plate, column is slidably connected between the sliding plate and the rack, at least two groups sliding slot is provided on the column, sliding block is fixedly connected between the sliding plate and the bracket, at least two groups fixation hole is offered on the bracket and on the column, bolt is fixedly connected between the bracket and the column, the bolt passes through the difference fixation hole being each passed through on the bracket and the column, it is provided between the sliding plate and the column for ensuring the stable Buffer Unit of the support motion.Through the above technical solutions, bracket sliding stability on column, it is ensured that stablize the position of driven wheel, it is ensured that polishing quality of the abrasive band to steel watchcase.

Description

A kind of belt sander for steel watchcase of polishing

Technical field

The utility model relates to the technical fields of steel watchcase process equipment, more particularly, to a kind of abrasive band of steel watchcase of polishing Machine.

Background technique

Belt sander is a kind of wrist-watch processing instrument, including abrasive band, the shell for accommodating abrasive band, motor, the motor for accommodating motor Shell, handle, driving wheel, driven wheel and connect motor and thick bamboo tube wheel transmission device, by abrasive band be placed on driving wheel and On driven wheel, belt sander is generally used for metal cutting industry, has that grinding plane, male and fomale(M&F), to remove deburring, sanding and polishing etc. more Kind function, it is more accurate during to wrist-watch steel watchcase sanding and polishing.

In view of the above-mentioned problems, patent announcement number is the Chinese patent of CN204802830U, abrasive band sand disc machine is proposed, belongs to wood Work is mechanical.It is made of bracket, abrasive band working portion, emery disc working portion, abrasive band regulating mechanism and dust catcher interface, bracket branch Foundation bolt is housed on leg.Abrasive band regulating mechanism is by handle, bracket, eccentric bushing, rotating plate, adjustment axis, rotating plate mandrel and fine tuning hand Wheel composition.For bracket intermediate sleeve on eccentric bushing, one end is equipped with rotating plate mandrel, and the other end is connected with handle, rotating plate mandrel dress In the long hole of rotating plate, adjustment axis one end connects with the passive roller bearing in abrasive band, and the other end is connect with rotating plate, and fine motion handwheel is mounted in abrasive band On workbench.Swing handle can promptly replace abrasive band.

Prior art among the above, which has the following deficiencies:, is adjusted abrasive band operating position using handle, emery disc Working portion during long-term mechanical adjustment with collide between bracket, influence the stability of abrasive band working portion, cause Mechanical damage influences belt sanding precision.

Utility model content

The purpose of the utility model is to provide a kind of belt sanders of steel watchcase of polishing, and have convenient for the position to driven wheel It is adjusted, it is ensured that it is steady in belt sander motion process, improve the operating accuracy of belt sander.

The utility model has the technical scheme that

A kind of belt sander for steel watchcase of polishing, including rack, described to be rotatably connected to driving wheel, the driving wheel is fixed to be connected It is connected to motor, the housing slide is connected with bracket, and the holder pivots are connected with driven wheel, and the rack is hinged with handle, The handle is connected with sliding plate, and column is slidably connected between the sliding plate and the rack, is provided at least on the column Two groups of sliding slots, are fixedly connected with sliding block between the sliding plate and the bracket, open up on the bracket and on the column There is at least two groups fixation hole, bolt is fixedly connected between the bracket and the column, the bolt passes through and is each passed through institute The difference fixation hole on bracket and the column is stated, is provided between the sliding plate and the column described for ensuring The stable Buffer Unit of support motion.

By using above-mentioned technical proposal, abrasive band is set in the peripheral side of driving wheel and driven wheel, drives hand Motion of handle, the movement of handle drives sliding plate, sliding plate band movable slider move in sliding slot, drive during support motion driven wheel along It is moved on vertical direction, abrasive band is exceptionally straight on driving wheel and driven wheel, and under the action of Buffer Unit, the movement of bracket is steady It is fixed, the mechanical collision between bracket and column is reduced, under the action of bolt, bracket and column realize that fixed effect, motor drive Dynamic driving wheel rotation, under the action of driven wheel and abrasive band, the sanding operation to steel watchcase is completed in abrasive band.

Be further arranged to: the Buffer Unit includes shell in the column, is slidably connected with the shell Buffer board and the buffer bar that is fixedly connected with the buffer board, offer through-hole on the shell, the buffer bar passes through It is fixedly connected after the through-hole with the sliding plate, the cavity for placing hydraulic oil, the buffer board is provided in the shell On be provided with the hydraulic hole of several groups.

By using above-mentioned technical proposal, sliding plate drives buffer bar movement, and buffer board follows buffer bar to move, hydraulic oil from The other side of cavity is flowed in hydraulic hole, hydraulic oil ensures the stable motion of sliding plate in flow process.

It is further arranged to: being fixedly connected with the first elastic restoring piece between the buffer board and the inner walls.

By using above-mentioned technical proposal, under the effect that resiles of the first elastic restoring piece, buffer board is in shell It moves back and forth.

Be further arranged to: the inner wall at the sliding slot both ends offers spliced eye, and the both ends of the sliding block are provided with Several groups shank, the shank are plugged in the spliced eye.

By using above-mentioned technical proposal, sliding block drives shank towards moving in spliced eye during the motion, it is ensured that Stablize the position of bracket, it is ensured that stablize the position of driven wheel.

It is further arranged to: being arranged with the second elastic restoring piece, the described second elastic restoring piece both ends on the shank It is connect respectively with the spliced eye bottom end and the sliding block.

By using above-mentioned technical proposal, under the action of elastic restoring piece, the collision for reducing sliding block and sliding slot inner wall is strong Degree.

Be further arranged to: the extension size of the spliced eye is not more than the extension size of the shank.

By using above-mentioned technical proposal, after shank is plugged in spliced eye, the second elastic restoring piece is compressed, it is ensured that branch Motion stabilization between frame and column.

Be further arranged to: the distance of the support motion is not more than the sliding slot extension size.

By using above-mentioned technical proposal, sliding block drives bracket to move in sliding slot, it is ensured that the motion stabilization of bracket.

Be further arranged to: the sliding block is equal to the sliding slot along in horizontal direction along the extension size of horizontal direction Size.

By using above-mentioned technical proposal, sliding block moves in sliding slot, and sliding block is abutted with the side wall of sliding slot, increase sliding block with Frictional force between sliding slot, it is ensured that bracket consolidates, and bracket in the horizontal direction stablize by position.

In conclusion the advantageous effects of the utility model are as follows:

(1) abrasive band is covered on driving wheel and driven wheel, for driving handle towards moving upwards, drive rod drives sliding plate vertical Towards moving upwards in column, sliding plate band movable slider is towards upper movement, and sliding block moves in sliding slot, and buffer bar is driven to movement, Hydraulic oil flows in shell after passing through hydraulic hole, there is the effect of a buffering to the movement of bracket.

(2) when slide block movement to sliding slot end, shank is plugged in spliced eye, and the second elastic restoring piece is compressed, Mitigate the collision between sliding block and sliding slot inner wall, the fixation hole on bracket is overlapped with the fixation hole position on column, bolt is worn It crosses column and bracket, completes the fixed effect between bracket and column, abrasive band is stretched exceptionally straight, and motor driven actively rotates It is dynamic, under the action of driven wheel and abrasive band, sanding and polishing is carried out to steel watchcase.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the top view of the utility model；

Fig. 3 is A-A cross-sectional view in Fig. 2.

Appended drawing reference: 1, rack；2, driving wheel；3, motor；4, bracket；5, driven wheel；6, handle；7, sliding plate；8, column； 9, sliding slot；10, sliding block；11, fixation hole；12, bolt；13, Buffer Unit；14, shell；15, buffer board；16, buffer bar；17, Hydraulic hole；18, the first elastic restoring piece；19, spliced eye；20, shank；21, the second elastic restoring piece.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

Shown in referring to Figure 1 and Figure 3, for a kind of belt sander for steel watchcase of polishing disclosed by the utility model, including rack 1, Driving wheel 2 is rotatablely connected in rack 1, driving wheel 2 is fixedly connected with driven wheel 5, is located above driving wheel 2 in rack 1 and is provided with Column 8, column 8 slidably connect bracket 4, and bracket 4 is rotatably connected to driven wheel 5, and driven wheel 5 and driving wheel 2 are located at same flat It on face, is mounted on driving wheel 2 and driven wheel 5 convenient for sand paper, handle 6 is rotatably connected on column 8, is away from handle 6 One end of column 8 is hinged with drive rod, and drive rod is located at handle 6 and deviates from the position at both ends, be arranged on handle 6 it is fluted, The part that drive rod is plugged in groove is provided with convex block, and convex block and groove realize that snap effect in the vertical direction, handle 6 occur When movement, convex block moves in groove, drives drive rod movement convenient for handle 6；Drive rod rotation is connected with sliding plate 7, sliding plate 7 with And column 8 is cylindrical, sliding plate 7 is located in column 8, offer four groups of sliding slots 9 in the peripheral side of column 8, sliding slot 9 along Vertical direction extends, and sliding block 10 is fixedly connected between sliding block 10 and bracket 4, and sliding block 10, which is fixed after sliding slot 9 with bracket 4, to be connected It connects.

As shown in figures 1 and 3, abrasive band is set on driving wheel 2 and driven wheel 5, driving handle 6 is in perpendicular It swinging, handle 6 drives drive rod movement, and drive rod drives sliding plate 7 towards moving upwards, and sliding block 10 drives bracket 4 towards moving upwards, Driven wheel 5 follows bracket 4 to move in the vertical direction, and the distance between driving wheel 2 and driven wheel 5 change, abrasive band quilt Stretch it is exceptionally straight, motor 3 drive driving wheel 2 rotate, under the action of abrasive band and driven wheel 5, steel watchcase is polished by belt sanding； Handle 6 causes the position of bracket 4 to occur inclined when driving driven wheel 5 to move after colliding between bracket 4 and column 8 It moves, positional shift occurs for driven wheel 5 caused by mechanical collision in order to prevent, is provided with Buffer Unit between sliding plate 7 and column 8 13, Buffer Unit 13 is for ensuring 4 motion stabilization of bracket.

As shown in figure 3, one end of bracket 4 close to column 8 is set in outside column 8, facilitate ensuring that the position of bracket 4 is steady Gu Buffer Unit 13 include shell 14 in the column 8, the buffer board 15 being slidably connected with 14 inner wall of shell and with buffering The buffer bar 16 that plate 15 is fixedly connected is provided with cavity in shell 14, hydraulic oil is placed in cavity, is provided with two on buffer board 15 The hydraulic hole 17 of group, hydraulic oil flow to the other side of buffer board 15 out of hydraulic hole 17, offer through-hole, buffer bar on shell 14 16 are fixedly connected after through-hole with sliding plate 7；Sliding plate 7 drives separator tube to be directed away from the movement of 14 direction of shell, and hydraulic oil passes through Side behind hydraulic hole 17 from buffer board 15 close to through-hole is moved towards the other side, hydraulic oil in the process of movement, to slow Under the action of the movement of punching 15 has a buffering to stablize, the movement velocity of bracket 4 slows down, it is ensured that the stable motion of driven wheel 5.

As shown in figures 1 and 3, driven wheel 5, which moves to, stretches abrasive band exceptionally straight, offers on bracket 4 and on column 8 Two groups of fixation holes 11 are fixedly connected with bolt 12, the distance between two groups of fixation holes 11 and sliding slot 9 between bracket 4 and column 8 Extended distance is equal, and the move distance of bracket 4 is equal to the extension size of sliding slot 9, and the fixation hole 11 on bracket 4 is consolidated with column 8 After determining the coincidence of 11 position of hole, after driving bolt 12 passes through column 8 and bracket 4, complete to consolidating between bracket 4 and column 8 Determine effect；After steel watchcase completes sanding and polishing, in order to realize the disassembly to abrasive band automatically, between 14 inner wall of buffer bar 16 and shell It is fixedly connected with the first elastic restoring piece 18, under the effect that resiles of the first elastic restoring piece 18, buffer bar 16 is towards shell The movement of 14 direction of body, hydraulic oil move to the other side from the first elastic 18 side cavity of restoring piece, and sliding plate 7 is towards lower slow fortune Dynamic, bracket 4 drives driven wheel 5 towards 2 direction stable motion of driving wheel, completes the disassembly effect to abrasive band.

As shown in figure 3, sliding block 10 is along the extension in horizontal direction in the horizontal direction firm of center rest 4 Size is with sliding slot 9 along equal sized in horizontal direction, it is ensured that the position of bracket 4 in the horizontal direction is firm.Sliding slot 9 along The both ends inner wall of vertical direction offers spliced eye 19, and the both ends of sliding block 10 are provided with shank 20,20 grafting of shank In in spliced eye 19, being arranged with the second elastic restoring piece 21, one end of the second elastic restoring piece 21 and sliding block 10 on shank 20 It is fixedly connected, the other end of the second elastic restoring piece 21 is abutted with 19 bottom end of spliced eye；When sliding block 10 moves to 9 bottom end of sliding slot When, shank 20 is plugged in spliced eye 19, and 20 extension size of shank is less than inserting groove extension size, the second elastic restoring piece 21 are compressed, and the second elastic restoring piece 21 mitigates the mechanical collision between sliding block 10 and 9 inner wall of sliding slot, shank 20 and spliced eye 19 inner walls abut, it is ensured that the horizontal motion of bracket 4 is firm.

The implementation principle of the present embodiment and having the beneficial effect that covers in abrasive band on driving wheel 2 and driven wheel 5, drives hand Handle 6 is towards moving upwards, and drive rod drives sliding plate 7 in column 8 towards moving upwards, and sliding plate 7, towards moving upwards, is slided with movable slider 10 Block 10 moves in sliding slot 9 and drives bracket 4 towards moving upwards, and buffer bar 16 is driven to movement, and hydraulic oil passes through hydraulic It is flowed in shell 14 behind hole 17, there is the effect of a buffering to the movement of bracket 4, the first elastic restoring piece 18 is stretched；When When sliding block 10 moves to 9 end of sliding slot, shank 20 is plugged in spliced eye 19, and the second elastic restoring piece 21 is compressed, and is mitigated Collision between 9 inner wall of sliding block 10 and sliding slot, the fixation hole 11 on bracket 4 are overlapped with 11 position of fixation hole on column 8, will insert Pin 12 passes through column 8 and bracket 4, completes the fixed effect between bracket 4 and column 8, exceptionally straight, the electricity at this point, abrasive band is stretched Machine 3 drives driving wheel 2 to rotate, and under the action of driven wheel 5 and abrasive band, carries out sanding and polishing to steel watchcase.

The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical Within novel protection scope.

Claims (8)

1. a kind of belt sander for steel watchcase of polishing, including rack (1), the rack (1) is rotatably connected to driving wheel (2), described Driving wheel (2) is fixedly connected with motor (3), and the rack (1) slidably connects bracket (4), and the bracket (4) is rotatably connected to Driven wheel (5), the rack (1) are hinged with handle (6), and the handle (6) is connected with sliding plate (7), it is characterised in that: the cunning It is slidably connected between disk (7) and the rack (1) column (8), is provided at least two groups sliding slot (9), institute on the column (8) It states and is fixedly connected between sliding plate (7) and the bracket (4) sliding block (10), on the bracket (4) and on the column (8) It offers at least two groups fixation hole (11), is fixedly connected between the bracket (4) and the column (8) bolt (12), it is described Bolt (12) passes through the difference fixation hole (11) being each passed through on the bracket (4) and the column (8), the sliding plate (7) Buffer Unit (13) for ensuring the bracket (4) motion stabilization is provided between the column (8).

2. the belt sander of polishing steel watchcase according to claim 1, it is characterised in that: the Buffer Unit (13) includes position In in the column (8) shell (14), the buffer board (15) that is slidably connected with the shell (14) and with the buffer board (15) buffer bar (16) being fixedly connected, through-hole is offered on the shell (14), and the buffer bar (16) passes through the through-hole It is fixedly connected afterwards with the sliding plate (7), the cavity for placing hydraulic oil, the buffer board is provided in the shell (14) (15) the hydraulic hole of several groups (17) is provided on.

3. the belt sander of polishing steel watchcase according to claim 2, it is characterised in that: the buffer board (15) and the shell The first elastic restoring piece (18) is fixedly connected between body (14) inner wall.

4. the belt sander of polishing steel watchcase according to claim 1, it is characterised in that: the inner wall at sliding slot (9) both ends It offers spliced eye (19), the both ends of the sliding block (10) are provided with several groups shank (20), the shank (20) It is plugged in the spliced eye (19).

5. the belt sander of polishing steel watchcase according to claim 4, it is characterised in that: be arranged on the shank (20) Second elastic restoring piece (21), described second elastic restoring piece (21) both ends respectively with the spliced eye (19) bottom end and described Sliding block (10) connection.

6. the belt sander of polishing steel watchcase according to claim 5, it is characterised in that: the extension ruler of the spliced eye (19) The very little extension size no more than the shank (20).

7. the belt sander of polishing steel watchcase according to claim 1, it is characterised in that: the distance of bracket (4) movement No more than the sliding slot (9) extension size.

8. the belt sander of polishing steel watchcase according to claim 7, it is characterised in that: the sliding block (10) is along level side To extension size be equal to the sliding slot (9) along the size in horizontal direction.