CN214817485U

CN214817485U - High grinder of security

Info

Publication number: CN214817485U
Application number: CN202121154804.9U
Authority: CN
Inventors: 杜振兴
Original assignee: Qingdao Langrui Machinery Co ltd
Current assignee: Qingdao Langrui Machinery Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-11-23
Anticipated expiration: 2031-05-26

Abstract

The utility model discloses a high grinder of security relates to grinder technical field, including the grinder body with fix the sand light frame on the grinder body, be provided with two sanding rollers on the sand light frame, the transmission is connected with the abrasive band between two sand light rollers, sand light frame lower part is rotated and is provided with the rocker, the sanding roller of lower part rotates and sets up on the rocker, be provided with the cylinder on the sand light frame, the cylinder stretches out the transmission between end and the rocker and is connected with eccentric mechanism, sand light frame one side is fixed with the suction hood, suction hood lower part elasticity is provided with the butt roller, be provided with on the suction hood and rotate complex tachometric sensor with the butt roller, the fixed controller that is connected with the tachometric sensor electricity that is provided with on the grinder body, the cylinder is controlled by the controller. The utility model provides a use convenient and be suitable for multiple plank, judge through the butt roller synchronous pivoted with the plank whether card material is with the high grinder of a security of control sand light roller wobbling.

Description

High grinder of security

Technical Field

The utility model relates to a grinder technical field especially relates to a high grinder of security.

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 prior Chinese utility model patent with the publication number of CN205325399U discloses a furniture plate sanding machine, which comprises a frame, a side sanding mechanism, an upper surface sanding mechanism, a plate conveying mechanism, a plate upper limiting mechanism and a control box, wherein the frame adopts a frame structure; lateral sanding mechanisms are arranged on two sides of the frame; the lateral sanding mechanism is connected with the horizontal adjusting mechanism and the vertical adjusting mechanism, the upper surface sanding mechanism is arranged above the rear side conveying belt of the lateral sanding mechanism, the upper limiting mechanism is hinged between the lateral sanding mechanism and the upper surface sanding mechanism, and the control box is arranged at the discharge end of the rack.

Adopt above-mentioned technical scheme, the during operation is placed the plank in the grinder frame, and panel conveying mechanism carries out the plank and carries, and side direction grinder constructs and upper surface grinder constructs and carries out the rebound, but in the use, if the water content of panel is more, the saw-dust that the sand light produced is difficult is siphoned away by the suction hood, very easily leads to the saw-dust to pile up, nevertheless because the conveyer belt on the production line can not stop, further arouses the card material of follow-up plank to produce the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high grinder of security utilizes the motion situation with the butt roller of plank butt and the rotational speed sensor survey plank, utilizes cylinder and eccentric mechanism to drive the swing frame swing to prevent effectively that the plank from blocking the material, the security that improves the device and use.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a high grinder of security, includes the grinder body and fixes the sand light frame on the grinder body, be provided with two sanding rollers on the sand light frame, two the transmission is connected with the abrasive band between the sanding roller, sand light frame lower part rotates and is provided with the rocker, the sanding roller of lower part rotates and sets up on the rocker, be provided with the cylinder on the sand light frame, the cylinder stretches out the transmission between end and the rocker and is connected with eccentric mechanism, sand light frame one side is fixed with the suction hood, suction hood lower part elasticity is provided with the butt roller, be provided with on the suction hood with butt roller normal running fit's speed sensor, the fixed controller that is connected with the speed sensor electricity that is provided with on the grinder body, the cylinder is controlled by the controller.

By adopting the technical scheme, when the wood sanding machine works, a wood board enters from the sanding machine body and sequentially passes through the sanding rollers at the lower parts of the sanding frames, the sanding rollers drive the sanding belts to sand the surface of the wood board, and meanwhile, the dust hood sucks away the ground wood chips, and the abutting rollers and the surface of the wood board generate relative motion and rotate; when the plank was in the card dead state, the plank no longer produced relative motion with the butt roller to butt roller stall, speed sensor gave the controller with signal transmission this moment, and the controller drives the cylinder and rises, and the cylinder passes through eccentric mechanism and drives the pendulum on the rocker, thereby makes dull and stereotyped roller and plank surface separation, ensures that the plank can pass from sand polishing roller below, thereby ensures that the grinder body is inside can not block the material, improves the security of production.

The utility model discloses further set up to: the dust hood lower part is articulated to be provided with the baffle, the first elastic component of fixedly connected with between baffle and the dust hood, the butt roller rotates and sets up at the baffle lower surface, revolution speed sensor is fixed to be set up at the baffle lower surface.

By adopting the technical scheme, the first elastic piece and the baffle plate are utilized, so that on one hand, pretightening force can be provided for the abutting roller, and the abutting roller can be ensured to stably rotate; on the other hand, the sawdust is shielded, and the cleaning effect of the dust hood on the sawdust is improved, so that the use reliability of the device is improved.

The utility model discloses further set up to: eccentric mechanism includes the eccentric block, the shaping cup joints the complex locked groove with the rocker pivot on the eccentric block, the shaping has the opening with the locked groove intercommunication on the eccentric block, threaded connection has the first bolt of locking open-ended on the eccentric block, the cylinder stretches out the end and rotates with the one end that the locked groove was kept away from to the eccentric block and is connected.

By adopting the technical scheme, the first bolt is matched with the opening, so that the locking of the locking groove on the shaft part of the swing frame is realized, and the installation by workers is facilitated; on the other hand, the cylinder stretches out to drive the eccentric block to rotate around the rotating shaft of the swing frame, and further drives the swing frame to rotate, so that the sanding roller at the lower part is separated from the surface of the wood board.

The utility model discloses further set up to: the sanding frame is hinged to be provided with a pressing frame, a second elastic piece is fixedly connected between the pressing frame and the sanding frame, and a pressing roller abutted to the sanding belt is rotatably arranged on the pressing frame.

By adopting the technical scheme, the elastic pressing frame and the elastic pressing roller are used for providing pretightening force for the abrasive belt, so that when the swinging frame drives the sanding roller to rotate, the abrasive belt is in a tight state, and the use reliability of the device is improved.

The utility model discloses further set up to: the shaping of locked groove inner wall has a plurality of keyways, fixed being provided with in the rocker pivot with keyway joint complex spline, threaded connection has the second bolt with spline butt complex on the eccentric block.

Through adopting above-mentioned technical scheme, utilize the cooperation of second bolt and spline and keyway, further improve the stability of being connected between eccentric block and the rocker pivot to improve the reliability that the device used.

The utility model discloses further set up to: the sanding frame is fixedly provided with a support, the support is provided with a screw rod in an inserted manner, the screw rod is connected with two locking seats respectively in butt fit with the support in a threaded manner, and the lower end of the screw rod is fixed with a rotating seat in running fit with the cylinder.

Through adopting above-mentioned technical scheme, utilize two locking seats adjusting screw to be in the position on the support, further through the initial angle of the position in order to adjust the rocker of adjustment cylinder to make the operation of polishing of the plank of different thickness of sand light roller adaptation, improve the suitability that the device used.

The utility model discloses further set up to: the locking seat is of a stepped circular truncated cone-shaped structure, a hexagonal prism is formed outside a small circle of the locking seat, and patterns are formed outside a large circle of the locking seat.

Through adopting above-mentioned technical scheme, utilize hexagonal prism and decorative pattern to make things convenient for the staff to use different modes to lock to improve the convenience that the device used.

The utility model discloses further set up to: the eccentric block upper portion is fixed and is provided with the pointer, sand light frame outer wall is fixed and is provided with the arc scale.

Through adopting above-mentioned technical scheme, utilize pointer and arc scale cooperation, make things convenient for the staff to carry out the accurate adjustment of rocker initial position.

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

(1) the wood board movement state is measured by the abutting roller abutting against the wood board and the rotating speed sensor, and the swing frame is driven to swing by the air cylinder and the eccentric mechanism, so that the wood board is effectively prevented from being blocked, and the use safety of the device is improved;

(2) the initial position of the air cylinder is adjusted by matching the screw rod with the locking seat, so that the device can adapt to the wood board polishing operation with different thicknesses; the applicability of the device is improved;

(3) utilize the setting of the locking seat of ladder platform form and pointer and arc scale, make things convenient for the staff to carry out the adjustment of cylinder, improve the convenience that the device used.

Drawings

Fig. 1 is an axial view of the overall structure of an embodiment of the present invention;

FIG. 2 is a schematic axial view of a sanding frame according to an embodiment of the present invention, showing the positional connection of the components of the sanding frame;

fig. 3 is a partially enlarged schematic view of a portion a in fig. 1, showing the positional connection relationship of the components on the dust collection cover.

Reference numerals: 1. a sander body; 2. a conveyor belt; 3. sanding frame; 4. sanding rollers; 5. an abrasive belt; 6. a motor; 7. a pressing frame; 8. a second elastic member; 9. a pressure roller; 10. placing a frame; 11. a support; 12. a screw; 13. a locking seat; 14. a hexagonal prism; 15. pattern; 16. rotating; 17. a cylinder; 18. an eccentric block; 19. locking the groove; 20. a keyway; 21. a spline; 22. a second bolt; 23. an opening; 24. a first bolt; 25. a pointer; 26. an arc scale; 27. a dust hood; 28. a baffle plate; 29. a first elastic member; 30. an abutment roller; 31. a rotational speed sensor; 32. and a controller.

Detailed Description

The present invention will now be described more fully hereinafter with reference to the accompanying examples.

Referring to attached drawings 1 and 2, the high-safety sander comprises a sander body 1, wherein the sander body 1 is of a cuboid box-type structure, a conveying belt 2 is rotatably arranged at the lower part in the sander body 1, a fixed sanding frame 3 is arranged at the upper part in the sander body 1 at intervals along the length direction of the sanding frame, sanding rollers 4 are arranged at the upper part and the lower part of the sanding frame 3, an abrasive belt 5 is connected between the two sanding rollers 4 in a transmission manner, and a motor 6 with an output end fixedly connected with the sanding roller 4 positioned at the upper part is fixedly arranged at the upper part of the sanding frame 3; the upper portion of the sanding frame 3 is hinged to be provided with a pressing frame 7, the pressing frame 7 is a C-shaped frame, two second elastic pieces 8 are fixedly connected between the pressing frame 7 and the sanding frame 3, the second elastic pieces 8 are made of springs, and a pressing roller 9 which is abutted to the sanding belt 5 is rotatably arranged on the pressing frame 7. The elastic pressing roller 9 is used for providing pre-tightening force for the abrasive belt 5.

Referring to the attached drawing 3, a swing frame 10 is rotatably arranged at the lower part of a sanding frame 3, the swing frame 10 is a C-shaped frame, a sanding roller 4 at the lower part is rotatably arranged on the swing frame 10, a support 11 is fixedly arranged on the side wall of one side of the sanding frame 3 in the length direction, a screw 12 is inserted into the support 11, and two locking seats 13 which are respectively matched with the support 11 in an abutting mode are in threaded connection with the screw 12; the locking seat 13 is in a stepped circular truncated cone structure, a hexagonal prism 14 is formed outside a small circle of the locking seat 13, and patterns 15 are formed outside a large circle of the locking seat 13. Utilize decorative pattern 15 and hexagonal prism 14's setting, make things convenient for the staff to carry out the fastening operation of locking seat 13 with the mode that spanner and hand are different, improve the convenience of operation, locking seat 13 and the cooperation of screw rod 12 simultaneously can adjust the position of screw rod 12 on support 11.

A rotary seat 16 is fixed at the lower end of the screw 12, an air cylinder 17 is rotatably connected to the rotary seat 16, an eccentric mechanism is connected between the extending end of the air cylinder 17 and the swing frame 10 in a transmission manner, the eccentric mechanism comprises an eccentric block 18, the eccentric block 18 is of a cuboid structure, a locking groove 19 matched with a rotating shaft of the swing frame 10 in a sleeved manner is formed in the eccentric block 18, two key grooves 20 are formed in the inner wall of the locking groove 19, a spline 21 matched with one key groove 20 in a clamped manner is fixedly arranged on the rotating shaft of the swing frame 10, and a second bolt 22 matched with the spline 21 in an abutted manner is connected to the eccentric block 18 in a threaded manner; an opening 23 communicated with the locking groove 19 is formed in the eccentric block 18, a first bolt 24 used for locking the opening 23 is connected to the eccentric block 18 in a threaded mode, and the extending end of the air cylinder 17 is rotatably connected with one end, far away from the locking groove 19, of the eccentric block 18; the upper part of the eccentric block 18 is fixedly provided with a pointer 25, and the outer wall of the sanding frame 3 is fixedly provided with an arc-shaped scale 26.

Utilize keyway 20 and spline 21 cooperation, ensure that the pivot of rocker 10 can not produce relative displacement with eccentric block 18, opening 23 and first bolt 24's cooperation simultaneously can make things convenient for the staff to carry out the installation of eccentric block 18, pointer 25 and arc scale 26 make things convenient for the staff to carry out the accurate adjustment of cylinder 17 and rocker 10 initial position to effectively improve the convenience that the device used.

Referring to fig. 1 and 3, a dust hood 27 is fixed on one side of the sanding frame 3 away from the pressing frame 7 along the width direction, a baffle 28 is hinged to the lower portion of the dust hood 27, a first elastic member 29 is fixedly connected between the baffle 28 and the dust hood 27, and the first elastic member 29 can be made of a spring; the lower part of the baffle 28 is rotatably provided with an abutting roller 30, the middle part of the lower surface of the baffle 28 is fixedly provided with a rotating speed sensor 31 which is rotatably connected with the abutting roller 30, the sander body 1 is fixedly provided with a controller 32 which is electrically connected with the rotating speed sensor 31, and the air cylinder 17 is controlled by the controller 32. The rotating speed sensor 31 is arranged in the middle of the lower surface of the baffle 28, so that the influence of sawdust on the rotating speed sensor 31 is effectively reduced.

The working principle of the embodiment is as follows: during work, a wood board is placed on the conveying belt 2 of the sander body 1 and sequentially passes through the sanding rollers 4 at the lower parts of the sanding frames 3, the sanding rollers 4 drive the sanding belts 5 to sand the surface of the wood board, meanwhile, the dust hood 27 sucks away the ground wood chips, and the abutting roller 30 and the surface of the wood board generate relative motion and rotate; when the plank was in the card dead state, the plank no longer produced relative motion with butt roller 30 to butt roller 30 stall, speed sensor 31 gave controller 32 with the signal transmission this moment, controller 32 drives cylinder 17 and rises, cylinder 17 drives pendulum frame 10 through eccentric mechanism and goes up the pendulum, thereby make sand light roller 4 and plank surface separation, ensure that the plank can pass from sand light roller 4 below, thereby ensure that 1 inside can not block the material of grinder body, the security that improves production

The above, only do the preferred embodiment of the present invention, not limit the protection scope of the present invention according to this, 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 high grinder of security, includes grinder body (1) and fixes sand light frame (3) on grinder body (1), be provided with two sanding roller (4) on sand light frame (3), two the transmission is connected with abrasive band (5), its characterized in that between sanding roller (4): sanding frame (3) lower part is rotated and is provided with rocker (10), sanding roller (4) of lower part are rotated and are set up on rocker (10), be provided with cylinder (17) on sanding frame (3), cylinder (17) stretch out between end and rocker (10) the transmission and be connected with eccentric mechanism, sanding frame (3) one side is fixed with suction hood (27), suction hood (27) lower part elasticity is provided with butt roller (30), be provided with on suction hood (27) with butt roller (30) normal running fit's speed sensor (31), fixed controller (32) of being connected with speed sensor (31) electricity that is provided with on grinder body (1), cylinder (17) are controlled by controller (32).

2. A high safety sander as set forth in claim 1, wherein: the dust hood (27) lower part is articulated to be provided with baffle (28), first elastic component (29) of fixedly connected with between baffle (28) and dust hood (27), butt roller (30) rotate and set up at baffle (28) lower surface, revolution speed sensor (31) are fixed to be set up at baffle (28) lower surface.

3. A high safety sander as set forth in claim 2, wherein: sanding frame (3) are articulated to be provided with and to compress tightly frame (7), fixedly connected with second elastic component (8) between compressing tightly frame (7) and sanding frame (3), it is provided with compressing tightly roller (9) with abrasive band (5) butt to rotate on compressing tightly frame (7).

4. A high safety sander as set forth in claim 1, wherein: eccentric mechanism includes eccentric block (18), the shaping cup joints complex locked groove (19) with rocker (10) pivot on eccentric block (18), the shaping has opening (23) with locked groove (19) intercommunication on eccentric block (18), threaded connection has first bolt (24) of locking opening (23) on eccentric block (18), cylinder (17) stretch out the end and rotate with the one end that eccentric block (18) kept away from locked groove (19) and be connected.

5. A high safety sander as set forth in claim 4, wherein: the shaping of locked groove (19) inner wall has a plurality of keyways (20), fixed being provided with in rocker (10) the pivot with keyway (20) joint complex spline (21), threaded connection has second bolt (22) with spline (21) butt complex on eccentric block (18).

6. A high safety sander as set forth in claim 1, wherein: fixed being provided with support (11) on sand light frame (3), it is provided with screw rod (12) to peg graft on support (11), threaded connection has two respectively with support (11) butt complex locking seat (13) on screw rod (12), screw rod (12) lower extreme is fixed with swivel mount (16) with cylinder (17) normal running fit.

7. A high safety sander as set forth in claim 6, wherein: the locking seat (13) is of a stepped circular truncated cone-shaped structure, a hexagonal prism (14) is formed outside a small circle of the locking seat (13), and patterns (15) are formed outside a large circle of the locking seat (13).

8. A high safety sander as set forth in claim 4, wherein: the upper portion of the eccentric block (18) is fixedly provided with a pointer (25), and the outer wall of the sanding frame (3) is fixedly provided with an arc-shaped scale (26).