CN210616100U

CN210616100U - Sanding machine

Info

Publication number: CN210616100U
Application number: CN201921340988.0U
Authority: CN
Inventors: 刘祖滨; 刘念; 胡伟华
Original assignee: Chengdu Fanhuang Furniture Co Ltd
Current assignee: Chengdu Fanhuang Furniture Co Ltd
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-05-26
Anticipated expiration: 2029-08-19

Abstract

The utility model relates to a sander, it includes the frame, sets up grinding device and collection device in the frame, collection device is including setting up the support frame at the frame up end, support frame upper end one side is rotated and is connected with the collection cover, the support frame with it is provided with the rotational positioning subassembly to collect cover one end, the support frame rear end is connected with collects the mechanism, the confession has been seted up to the support frame rear end face collect the spread groove of mechanism's intercommunication. The utility model discloses have and shelter from and collect the piece that splashes, effect convenient to installation is dismantled.

Description

Sanding machine

Technical Field

The utility model relates to a house production machining tool field, in particular to grinder.

Background

A sanding machine, also called a polishing machine, is one of the devices commonly used in the modern wood processing industry, and is used for sanding a workpiece by using a cutting tool provided with abrasive materials (abrasive cloth or abrasive paper) so as to improve the thickness precision, the flatness and the roughness quality of the workpiece, and processing a good base surface for the surface decoration of a wooden part and the secondary processing (wood grain printing, paper pasting, veneer pasting and the like) of paint or a plate. Therefore, sanding machines are widely used for finishing various artificial boards, wooden articles, and the like. The sander can machine not only a plane, but also an outer circle, an inner circle surface, an arc surface and a molding surface. The sander can be used for processing a base surface to be painted and also can be used for sanding and polishing a paint coating. Therefore, the sander is one of the necessary equipments for processing wooden products in enterprises such as woodware, furniture, vehicles, ships, buildings, war industry, wood models, wooden toys and the like.

The prior patent grant publication number: CN204546201U grinder discloses a grinder, including the body, is equipped with the emery wheel on the body, and the emery wheel passes through the axle to be connected with the motor that sets up in the body below, and the top panel surface of body is equipped with a plurality of through-holes, and the through-hole below is equipped with the collecting box, is equipped with dust extraction in the collecting box, and collecting box one end is equipped with the tuber pipe, and emery wheel one side is equipped with the guard plate, and top panel one side edge is equipped with clamping device. The debris is sucked into the collection box through the through hole under the suction force of the air pipe.

However, the scheme can only collect the scraps falling on the upper end surface of the sander, and in the sanding process, along with the change of the sanding direction, a plurality of scraps can splash outwards the body, so that the scheme cannot collect the scraps.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a grinder has and shelters from the clastic effect that splashes to the grinder outer end.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a sander, includes the frame, sets up grinding device and collection device in the frame, collection device is including setting up the support frame at the frame up end, support frame upper end one side is rotated and is connected with the collection cover, the support frame with it is provided with rotational positioning subassembly to collect cover one end, the support frame rear end is connected with collects the mechanism, the confession is seted up to the support frame rear end surface collect the recess of mechanism intercommunication.

Through adopting above-mentioned technical scheme, when polishing or polishing, the produced piece of polishing or polishing will be unordered orientation splash all around, and when coming the back down with the support frame is rotatory, the support frame with collect the cavity that the cover constitutes at the frame up end, shelter from the piece that looses all around, make the piece fall back to the frame up end, collect by collecting the mechanism again. Because the difference of wiping material or angle when polishing, clastic effect of splashing is also inequality, and the rotational positioning subassembly makes to collect and fixes a position at this angle behind the cover can rotate arbitrary angle, and this kind is very convenient and shelter from the effect better along with the mode that actual processing effect sheltered from the adjustment. The recess and the collection mechanism intercommunication of support frame rear end make the piece fall better the being collected behind the frame up end. The scheme has good effect on shielding and collecting dust.

The utility model discloses further set up to: the support frame is n-shaped, two sides of the support frame are provided with support plates, the middle of the support frame is provided with a connecting plate, and the groove is formed in the lower end of the connecting plate.

Through adopting above-mentioned technical scheme, the support frame both sides are the backup pad, and the backup pad shelters from the piece to the up end of backup pad is spacing to the rotation of collecting the cover, and the up end butt of the lower terminal surface when collecting the cover is at the up end of backup pad, and this rotation angle is the closed maximum angle of collecting the cover. Meanwhile, the overall strength of the support frame is improved, and the support frame is firmer. The connecting plate also shields the rearward splashed debris. The supporting plate and the connecting plate improve the height of the supporting frame, so that the height of the collecting cover is improved, the collecting cover cannot shield the sight after rotating, and the processing is influenced.

The utility model discloses further set up to: the collecting cover is characterized in that a first connecting seat is arranged at the upper end of the connecting plate, a second connecting seat is arranged at the lower end of the collecting cover, positioning holes are formed in the first connecting seat and the second connecting seat, and a pin shaft is inserted in the positioning holes.

Through adopting above-mentioned technical scheme, the support frame rotates through first connecting seat and second connecting seat interpolation round pin axle with the collection cover and is connected, lets the rotation of collecting the cover more smooth and easy to the connecting seat is also more convenient man-hour, and the grafting of round pin axle is convenient laborsaving when the installation, and the manual work can be more laborsaving when rotating simultaneously.

The utility model discloses further set up to: the rotary positioning assembly comprises a ratchet fixed at the outer end of the second connecting seat, a pawl rotatably connected to the outer side of the supporting plate and meshed with the ratchet, and a torsion spring sleeved on the pin shaft and positioned between the first connecting seat and the second connecting seat.

By adopting the technical scheme, the ratchet wheel, the pawl and the torsion spring form a ratchet wheel mechanism. The ratchet wheel rotates coaxially with the rotation of the collecting cover, the torsional spring makes the collecting cover receive restoring force to restore the original shape after rotating, and the pawl is meshed with the ratchet wheel to make the collecting cover unable to restore, so as to position. The ratchet mechanism enables the collecting cover to stop at any angle, the rotation amount of the collecting cover is quantified through the arrangement of the ratchet mechanism, and the minimum angle of each rotation of the collecting cover is determined according to the number of the ratchet teeth. The operability of the rotation of the collecting cover is higher and the collecting cover is more convenient.

The utility model discloses further set up to: the supporting plate is fixedly connected with a screw, the tail end of the pawl is provided with a limiting hole for the screw to penetrate through, one end of the collecting cover is provided with a convex block, the convex block is fixedly connected with an extension spring, and the extension spring is fixed on the upper end face of the pawl.

Through adopting above-mentioned technical scheme, the pawl rotates to be connected in the backup pad outside, and extension spring fixes on the pawl. The ratchet wheel is provided with a ratchet wheel, the ratchet wheel is arranged on the base, the ratchet wheel is arranged on the ratchet wheel, the extension spring is arranged on the extension spring, and the extension spring is arranged on the ratchet wheel. The pawl is rotatably connected to the screw, and the screw is very convenient to mount and dismount, so that the pawl is very convenient to mount and dismount.

The utility model discloses further set up to: a placing hole is formed in one side of the upper end of the collecting cover, and toughened glass is arranged in the placing hole.

Through adopting above-mentioned technical scheme, when polishing or polishing, the cover is collected in the rotation downwards for the toughened glass on the arrangement hole is towards operating personnel, and operating personnel can operate when not processing the part directly, does not return and influences the sight. And meanwhile, double protection is carried out, and the toughened glass blocks the fragments which should be splashed to the face of the operator originally, so that the operator is safer.

The utility model discloses further set up to: the utility model discloses a rack, including backup pad, frame, support plate, frame upper end face, the backup pad lower extreme is provided with first draw runner, frame up end both sides are seted up and are supplied first draw runner is pegged graft and is slided.

Through adopting above-mentioned technical scheme, the first draw runner of backup pad lower extreme is pegged graft in first spout for the support frame is pegged graft in the frame. When the sander works, the support frame is directly inserted into the machine frame, so that the sander can work, and the sander is very convenient to mount. When the sander is idle, the support frame enables the height of the sander to be high, the sander occupies a larger volume, the support frame is slid down from the machine frame and placed on one side, the sander is convenient to disassemble, and the volume is saved.

The utility model discloses further set up to: the collecting mechanism comprises a collecting channel, a collecting hose fixed at one end of the collecting channel, a collecting box fixedly connected with the collecting hose and an exhaust fan fixed on one side of the collecting box.

Through adopting above-mentioned technical scheme, the piece that the polishing or polishing produced falls in collection passway mouth or frame up end, and the air exhauster begins work, inhales the piece from collecting the passway mouth, behind the collection hose, falls into in the collecting box. The scheme enables the debris to be collected into the collection box, the debris cannot be scattered everywhere, and secondary cleaning is carried out. The collected scraps can be reused, and materials are saved.

The utility model discloses further set up to: the rear end of the supporting plate is provided with a second sliding strip, and two sides of the front end face of the collecting channel are provided with second sliding grooves for the second sliding strip to be inserted and slid.

Through adopting above-mentioned technical scheme, the second spout at collection passageway both sides is pegged graft to the second draw runner of backup pad rear end. The collecting channel is inserted into the supporting frame, the collecting hose is connected behind the collecting channel, and the collecting box is connected below the collecting hose, so that the whole collecting device can be quickly purchased and inserted into the supporting frame through the collecting channel. When the collecting device is used, the collecting mechanism is directly inserted into the supporting frame, the collecting device is simple and convenient, and when the collecting device is not used, the collecting mechanism is detached and placed in addition, so that the space is saved.

The utility model discloses further set up to: the vertical bolt connection has the motor in the frame, the motor upper end is connected with the head of polishing, the rack up end is seted up and is supplied the spliced eye of polishing head interference grafting.

Through adopting above-mentioned technical scheme, the motor is fixed in the frame for the volume of whole grinder maintains certain size, and the effectual safety of protecting the motor can not lead to the motor to damage because of external factor, causes economic loss. The upper end of the motor is directly connected with the polishing head, so that the rotation of the motor is timely and effectively transmitted to the polishing head, and power loss caused by excessive transmission parts is avoided.

To sum up, the utility model discloses a beneficial technological effect does:

1. supporting plates and collecting covers at two ends of the supporting frame effectively shield splashed debris;

2. the collection mechanism is used for effectively collecting the debris;

3. the support frame is connected with the frame in an inserting manner, and the collecting channel is connected with the support frame in an inserting manner, so that the whole sander is very simple to disassemble and assemble and easy to operate.

Drawings

FIG. 1 is a schematic view of the external appearance of a sander with a collection cover rotated closed;

FIG. 2 is a schematic view of the external appearance of the sander with the collection cover rotated open;

FIG. 3 is an enlarged view of a portion of FIG. 2 showing the mechanism for rotating the positioning assembly;

FIG. 4 is a schematic view of the mounting structure of the support frame and the frame;

fig. 5 is a schematic view of the mounting structure of the support frame and the collection mechanism.

In the figure: 1. a frame; 2. a polishing device; 3. a collection device; 4. a rotational positioning assembly; 5. a motor; 6. polishing head; 7. a support frame; 8. a collection hood; 9. a collection mechanism; 10. a collection channel; 11. a collection hose; 12. a collection box; 13. an exhaust fan; 14. a ratchet wheel; 15. a pawl; 16. a torsion spring; 17. an extension spring; 18. a bump; 19. a screw; 20. a support plate; 21. a connecting plate; 22. a groove; 23. a first connecting seat; 24. a second connecting seat; 25. positioning holes; 26. a pin shaft; 27. a limiting hole; 28. placing the hole; 29. tempering the glass; 30. an operation hole; 31. a first slide bar; 32. a first chute; 33. a second slide bar; 34. a second chute; 35. a collection well; 36. and (7) inserting holes.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, a sander comprises a frame 1, a polishing device 2 fixed on the frame 1, a collecting device 3 connected to the rear end of the frame 1 and a rotary positioning assembly 4, wherein the polishing device 2 comprises a motor 5 and a polishing head 6, and the collecting device 3 comprises a support frame 7, a collecting cover 8 and a collecting mechanism 9.

Referring to fig. 2 and 3, the support frame 7 is n-shaped, and has support plates 20 at two sides and a connecting plate 21 at the middle. Backup pad 20 and connecting plate 21 are square plate, and square groove 22 has been seted up to connecting plate 21 lower extreme, and recess 22 and collection mechanism 9 intercommunication, the welding of connecting plate 21 both ends is in backup pad 21 one end. Support frame 7 rotates with collection cover 8 to be connected, and connecting plate 21 up end is provided with first connecting seat 23, collects cover 8 down end one side and is provided with two second connecting seats 24, and first connecting seat 23 and second connecting seat 24 are the half cylinder setting, have seted up the locating hole 25 simultaneously, and this setting can not lead to the fact the hindrance to the pairing rotation, and first connecting seat 23 is arranged in the middle of two second connecting seats 24 and has been inserted and have been connected round pin axle 26. The support frame 7 and the collection cover 8 are rotatably connected by a pin 26, while the support plate 20 limits the rotation to the maximum angle at which the collection cover 8 is closed when the lower end face of the collection cover 8 abuts on the upper end face of the support plate 20.

Referring to fig. 2 and 3, the collection cover 8 and the support frame 7 are provided at both ends thereof with the rotational positioning members 4. The ratchet wheel 14 is welded on the outer side of the second connecting seat 24 on the collecting cover 8, and the ratchet wheel 14 is coaxial with the positioning hole 25 on the second connecting seat 24 and rotates along with the rotation of the collecting cover 8. The support plate 20 is rotatably connected with a pawl 15 meshed with the ratchet wheel 14 at one side of the ratchet wheel 14, a limiting hole 27 is arranged at the rotating center of the pawl 15, and the screw 19 is inserted in the limiting hole 27 in an interference manner and fixed at one side of the support plate 20. A convex block 18 is welded on one side of the supporting plate 20, the convex block 18 is positioned on one side of the pawl 15, and an extension spring 17 is fixedly connected between the pawl 15 and the convex block 18. When the pawl 15 is engaged with the ratchet wheel 14, the extension spring 17 is in an extension state, the ratchet wheel 14 rotates to drive the pawl 15 to rotate, and the extension spring 17 provides a pulling force to reset the pawl 15 and continue to be engaged with the ratchet wheel 14. The pin 26 is sleeved with a torsion spring 16 between the first connecting seat 23 and the second connecting seat 24. When the collecting cover 8 is rotated in a closed state, the torsion spring 16 generates a restoring force that restores the collecting cover 8 to its original state, and the pawl 15 is engaged with the ratchet 14 to define the collecting cover 8.

Referring to fig. 1 and 2, the front end face of the collecting cover 8 is obliquely arranged and provided with a placing hole 28, and toughened glass 29 is glued in the placing hole 28. When the collecting cover 8 is closed, the working condition can be observed just by standing at the front end of the sander through the toughened glass 29. When the front end face of the collecting cover 8 is closed, the front end face of the collecting cover is flush with the upper end face of the support frame 7, and an operation hole 30 is formed at the front end of the support frame 7.

Referring to fig. 4, the lower end of the supporting plate 20 is provided with a first sliding strip 31, the upper end surface of the rack 1 is provided with a first sliding groove 32, the supporting plate 20 is inserted into the first sliding groove 32 through the first sliding strip 31 and is vertically inserted into the upper end surface of the rack 1, the connecting plate 21 is also vertically erected on the upper end surface of the rack 1, the length of the first sliding strip 31 is as long as the lower end surface of the supporting plate 20, and the length of the first sliding groove 32 is as long as the first sliding strip 31, so that the supporting frame 7 is just inserted into the rack 1, and thus excessive insertion cannot be performed, and the situation that all the supporting frames are not inserted.

Referring to fig. 5, the rear end face of the supporting plate 20 is provided with a second sliding bar 33, two sides of the front end of the collecting channel 10 are provided with second sliding grooves 34, the lower end opening and the upper end of each second sliding groove 34 are closed, the second sliding bar 33 is inserted into the second sliding grooves 34, so that the collecting channel 10 is inserted into the supporting frame 7, meanwhile, the front end of the collecting channel 10 is provided with a collecting hole 35 which is the same as the groove 22 in size, and the collecting hole 35 is communicated with the groove 22. The rear end of the collecting channel 10 is fixedly connected with a collecting hose 11, the collecting hose 11 bends downwards and is connected with a collecting box 12, and one side of the collecting box 12 is provided with an exhaust fan 13.

Referring to fig. 1 and 2, a motor 5 is bolted in the frame 1, the motor 5 is vertically arranged, and a polishing head 6 is coaxially and fixedly connected to the upper end surface of the motor 5. The upper end surface of the frame 1 is provided with a plug hole 36 for the interference plug-in connection of the polishing head 6.

The operation of the motor 5 and the suction fan 13 is prior art and will not be explained here.

The implementation principle of the embodiment is as follows:

in operation, the collecting hood 8 is manually pulled down, the rotation of the collecting hood 8 drives the ratchet wheel 14 to rotate, and the pawl 15 engaged with the ratchet wheel 14 is separated from the ratchet wheel 14 at the moment, but under the action of the extension spring 17, the engagement is rapidly recovered. Under the action of the torsion spring 16, the collecting cage 8 has a tendency to return upwards, while the pawl 15 limits the collecting cage 8 by engaging with the ratchet 14. After the pull-down angle of the collecting cover 8 is adjusted, grinding is started, and chips and smoke dust generated by grinding are sucked into the collecting box 12 by negative pressure generated by air suction of the exhaust fan 13 under the shielding of the supporting plate 20, the connecting plate 21 and the collecting cover 8.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a sander, includes frame (1), sets up grinding device (2) and collection device (3) on frame (1), its characterized in that: collection device (3) is including setting up support frame (7) at frame (1) up end, support frame (7) upper end one side is rotated and is connected with and collects cover (8), support frame (7) with it is provided with rotational positioning subassembly (4) to collect cover (8) one end, support frame (7) rear end is connected with collects mechanism (9), support frame (7) rear end face has seted up the confession recess (22) of collecting mechanism (9) intercommunication.

2. The sander as set forth in claim 1, wherein: the support frame (7) is n-shaped, support plates (20) are arranged on two sides of the support frame (7), a connecting plate (21) is arranged in the middle of the support frame, and a groove (22) is formed in the lower end of the connecting plate (21).

3. The sander as set forth in claim 2, wherein: the collecting cover is characterized in that a first connecting seat (23) is arranged at the upper end of the connecting plate (21), a second connecting seat (24) is arranged at the lower end of the collecting cover (8), positioning holes (25) are formed in the first connecting seat (23) and the second connecting seat (24), and pin shafts (26) are inserted in the positioning holes (25).

4. The sander as set forth in claim 3, wherein: the rotary positioning component (4) comprises a ratchet wheel (14) fixed at the outer end of the second connecting seat (24), a pawl (15) rotatably connected to the outer side of the supporting plate (20) and meshed with the ratchet wheel (14), and a torsion spring (16) sleeved on the pin shaft (26) and located between the first connecting seat (23) and the second connecting seat (24).

5. The sander as set forth in claim 4, wherein: the outer side of the supporting plate (20) is fixedly connected with a screw (19), the tail end of the pawl (15) is provided with a limiting hole (27) for the screw (19) to penetrate through, one end of the collecting cover (8) is provided with a convex block (18), the convex block (18) is fixedly connected with an extension spring (17), and the extension spring (17) is fixed on the upper end face of the pawl (15).

6. The sander as set forth in claim 5, wherein: a placing hole (28) is formed in one side of the upper end of the collecting cover (8), and tempered glass (29) is arranged in the placing hole (28).

7. The sander as set forth in claim 6, wherein: the lower end of the supporting plate (20) is provided with a first sliding strip (31), and two sides of the upper end face of the rack (1) are provided with first sliding grooves (32) for the first sliding strips (31) to be inserted and slid.

8. The sander as set forth in claim 7, wherein: the collecting mechanism (9) comprises a collecting channel (10), a collecting hose (11) fixed at one end of the collecting channel (10), a collecting box (12) fixedly connected with the collecting hose (11) and an exhaust fan (13) fixed at one side of the collecting box (12).

9. The sander as set forth in claim 8, wherein: the rear end of the support plate (20) is provided with a second sliding strip (33), and two sides of the front end face of the collecting channel (10) are provided with second sliding grooves (34) for the second sliding strips (33) to be inserted and slid.

10. The sander as set forth in claim 7, wherein: the polishing machine is characterized in that a motor (5) is connected to the inner portion of the rack (1) through a vertical bolt, a polishing head (6) is connected to the upper end of the motor (5), and an insertion hole (36) for interference insertion of the polishing head (6) is formed in the upper end face of the rack (1).