CN215547545U

CN215547545U - Dedicated polisher of saw bit production

Info

Publication number: CN215547545U
Application number: CN202121933276.7U
Authority: CN
Inventors: 王爱学
Original assignee: Qingdao Hongshuo Saw Industry Co ltd
Current assignee: Qingdao Hongshuo Saw Industry Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-01-18
Anticipated expiration: 2031-08-17

Abstract

The utility model discloses a special polishing machine for producing saw blades, which relates to the technical field of polishing equipment and comprises a rack, wherein an installation mechanism used for fixing the saw blades and driving the saw blades to rotate intermittently is rotationally arranged on the rack; the fixed two fixed arms that are provided with in the frame, two fixed arms are located the both sides of mount table respectively, the articulated upset arm that is provided with on the fixed arm, be provided with the tilting mechanism of drive upset arm upset on the fixed arm, be provided with first sprocket on the fixed arm, the transmission is provided with ratchet between first sprocket and the fixed arm, the one end rotation that the fixed arm was kept away from to the upset arm is provided with the second sprocket, the diameter of first sprocket is greater than the second sprocket, the transmission is provided with the chain between first sprocket and the second sprocket, be provided with fixture on the second sprocket. The utility model provides the special grinding machine for producing the saw blade, which is convenient to use and high in grinding efficiency.

Description

Dedicated polisher of saw bit production

Technical Field

The utility model relates to the technical field of polishing equipment, in particular to a special polishing machine for saw blade production.

Background

In the process of producing and processing the saw blade, the surface of the saw blade tooth seat needs to be polished. The prior utility model with the publication number of CN210388731U discloses a saw blade grinding machine, which comprises a saw blade mounting platform and a grinding mechanism, wherein the saw blade mounting platform comprises a support frame, a table top plate and a first motor are arranged on the support frame, and a limit post is fixedly arranged on the upper end surface of the table top plate; grinding machanism includes base, sliding seat and emery wheel of polishing, is equipped with drive arrangement between base and the sliding seat, fixedly connected with frame on the sliding seat, and it has the bracing piece to articulate in the frame, and emery wheel of polishing sets up on the bracing piece, is equipped with the second motor on the bracing piece, fixes being equipped with the pneumatic cylinder in the frame, and the piston rod outer end on the vertical setting of pneumatic cylinder and the pneumatic cylinder articulates there is the connecting rod, and the connecting rod is articulated with the bracing piece.

By adopting the technical scheme, the grinding wheel can grind the saw blade toothholder, but the saw blade grinding machine can only grind one side of the saw blade at one time, and after the side is ground, an operator needs to turn over the saw blade to grind the other side of the saw blade, so that the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a special grinding machine for producing saw blades, which realizes automatic turnover of saw blades through the cooperation of a first chain wheel, a second chain wheel, a chain and a ratchet mechanism in the turnover process of a turnover arm, does not need manual turnover of operators, is convenient and fast to use, saves time and has high grinding efficiency.

The technical purpose of the utility model is realized by the following technical scheme:

a special grinding machine for producing saw blades comprises a frame, wherein an installation mechanism used for fixing the saw blades and driving the saw blades to rotate intermittently is arranged on the frame, and a grinding mechanism used for grinding the saw blades is also arranged on the frame; the fixed arm that is provided with two fixed arms in the frame, two the fixed arm is located installation mechanism's both sides respectively, the articulated upset arm that is provided with on the fixed arm, be provided with the tilting mechanism that drives the upset arm upset on the fixed arm, be provided with first sprocket on the fixed arm, the transmission is provided with ratchet between first gear and the fixed arm, the one end rotation that the fixed arm was kept away from to the upset arm is provided with the second sprocket, still be provided with rotary damper between second sprocket and the upset arm, the diameter of first sprocket is greater than the second sprocket, the transmission is provided with the chain between first sprocket and the second sprocket, be provided with fixture on the second sprocket.

Through adopting above-mentioned technical scheme, at the in-process of saw bit of polishing, operating personnel need install the saw bit on installation mechanism, and installation mechanism fixes the saw bit to make the intermittent type nature of saw bit step-by-step rotation, thereby cooperation grinding machanism polishes the toothholder surface of saw bit. After all toothholders are polished, the clamping mechanism clamps the saw blade, then the turnover mechanism drives the turnover arm to turn upwards, and the ratchet mechanism prevents the first chain wheel from rotating in the process, so that the second chain wheel can rotate under the action of the chain, and the saw blade is turned for 180 degrees; then the turnover mechanism drives the turnover arm to turn over downwards, so that the first chain wheel can rotate freely without being limited by the ratchet mechanism in the process, the second chain wheel can be kept stable and does not rotate relative to the turnover arm under the action of the rotary damper, and finally the turnover saw blade is placed on the mounting mechanism again to polish the other side of the saw blade. Above-mentioned technical scheme does not need operating personnel manual to carry out the turn-over to the saw bit, and it is convenient to use, and effectively saves time, improves the efficiency of polishing to the saw bit.

The utility model is further configured to: the clamping mechanism comprises a rotating block fixedly connected with the second chain wheel, two gears are arranged on the rotating block in a rotating mode, clamping arms are fixedly arranged on the gears, and an anti-skid block is fixedly arranged at one end, far away from the gears, of each clamping arm; a double-sided rack is arranged on the rotating block in a sliding manner, the double-sided rack is meshed with the two gears, a thrust spring is fixedly arranged at one end of the double-sided rack, the other end of the thrust spring is fixedly connected with the rotating block, and the two clamping arms are close to each other under the action of the thrust spring; the rack is fixedly provided with two second cylinders, piston rod ends of the second cylinders are fixedly provided with push blocks, and the push blocks are located at one ends, far away from the thrust springs, of the corresponding double-sided racks.

By adopting the technical scheme, the piston rod of the second cylinder extends out initially, the push block is abutted to the end part of the double-sided rack, and the two clamping arms are both in a vertical state at the moment. When the saw blade is required to be clamped, the second cylinder drives the push block to be away from the double-sided rack, the double-sided rack moves towards the direction of the abutting block under the pushing of the push spring, and the two gears synchronously rotate in the opposite directions under the driving of the double-sided rack, so that the clamping arms overturn oppositely to clamp the saw blade. Above-mentioned technical scheme can make the saw bit be in the state of being loosened by the in-process of being polished, and be in the state of being pressed from both sides tightly by the in-process of upset, and control is simple and be convenient for go on unloading.

The utility model is further configured to: the grinding mechanism comprises a grinding seat arranged on the rack in a sliding mode, a first stepping motor is fixedly arranged on the rack, a threaded rod is fixedly arranged at the shaft end of the first stepping motor and is in threaded fit with the grinding seat, a driving motor is fixedly arranged on the grinding seat, and a grinding wheel is fixedly arranged at the shaft end of the driving motor.

Through adopting above-mentioned technical scheme, the seat of polishing can be along the radial reciprocating motion of saw bit under the drive of first step motor to utilize rotatory emery wheel to polish the sawtooth seat surface on the saw bit, and polish effectually.

The utility model is further configured to: the utility model discloses a bearing, including the installation mechanism, the installation mechanism includes rotates the mount table with the frame, be provided with drive mount table pivoted actuating mechanism in the frame, the through-hole has been seted up at the middle part of mount table, the fixed third cylinder that is provided with in the frame, the tailpiece of the piston rod of third cylinder rotates and is provided with the swivel becket, the articulated a plurality of transfer lines that are provided with on the swivel becket, the articulated butt piece that is provided with of one end that the swivel becket was kept away from to the transfer line, the upper surface of butt piece and mount table cooperation of sliding.

Through adopting above-mentioned technical scheme, cup joint the centre bore of saw bit on the piston rod of third cylinder to make the butt piece be located the centre bore of saw bit after, third cylinder drive swivel becket moves down, through the transmission of transfer line after, the butt piece is to keeping away from the direction removal of swivel becket, and a plurality of butt pieces support the saw bit tight simultaneously, thereby guarantee the saw bit at the stability by the in-process of polishing.

The utility model is further configured to: and a chamfer is formed at the lower edge of one side of the abutting block, which is far away from the third cylinder.

Through adopting above-mentioned technical scheme, carry out the in-process that expands outward at the butt piece, the edge of saw bit centre bore will be embedded into in the contained angle that chamfer and mount table formed to along with the process of expanding outward of butt piece, the chamfer still can turn into the vertical pressure to the saw bit with the horizontal thrust of part on the butt piece, further improves the stability of saw bit.

The utility model is further configured to: the upper surface of mount table is fixed and is provided with anti-skidding shock attenuation layer.

Through adopting above-mentioned technical scheme, the vibration that the anti-skidding buffer layer can absorb the saw bit and produce by the in-process of polishing, further improves the stability of saw bit by the in-process of polishing.

The utility model is further configured to: the driving mechanism comprises a second stepping motor fixed on the rack, a worm in running fit with the rack is fixedly arranged at the shaft end of the second stepping motor, and a worm wheel meshed with the worm is fixedly arranged on the mounting table.

Through adopting above-mentioned technical scheme, the auto-lock can be realized with the transmission effect of worm to guarantee that the mount table rotates fixed position after, even if receive the exogenic action and also can not take place to deflect at will, effectively improve the stability of mount table.

The utility model is further configured to: the turnover mechanism comprises a first air cylinder fixed on the fixed arm, a sliding block in sliding fit with the fixed arm is fixedly arranged at the piston rod end of the first air cylinder, a connecting rod is hinged to the sliding block, and one end, far away from the sliding block, of the connecting rod is hinged to the turnover arm.

Through adopting above-mentioned technical scheme, first cylinder can drive the slider and slide on the fixed arm, and after the transmission effect of connecting rod, the upset arm can overturn to the upset is stable.

In conclusion, the beneficial technical effects of the utility model are as follows:

(1) after one side of the saw blade is polished, the turnover arm is lifted up and turns over the saw blade by 180 degrees, and then the turnover arm falls down to replace the saw blade on the mounting table, so that the other side of the saw blade is polished, the time is saved, and the polishing efficiency of the saw blade is effectively improved;

(2) the saw blade is placed on the mounting table, and after the central hole of the saw blade is sleeved on the outer side of the abutting block, the third air cylinder can drive the abutting block to expand outwards so as to abut the saw blade tightly, so that the stability of the saw blade in the polishing process is ensured, an additional fixing device is not needed, and the use convenience is high;

(3) the seat of polishing can carry out reciprocating motion along the radial of saw bit, cooperates high-speed rotatory emery wheel again, effectively improves the effect of polishing to the saw bit toothholder.

Drawings

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

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a cross-sectional view of the first sprocket in one embodiment of the present invention;

FIG. 4 is a cross-sectional view of the second sprocket in one embodiment of the present invention;

fig. 5 is a partially enlarged view of a portion B in fig. 1, and mainly shows the structure of the chucking mechanism.

Reference numerals: 1. a frame; 2. an installation table; 3. an anti-skid shock-absorbing layer; 4. a second stepping motor; 5. a worm; 6. a worm gear; 7. a through hole; 8. a third cylinder; 9. a rotating ring; 10. a transmission rod; 11. a butting block; 12. chamfering; 13. polishing the base; 14. a first stepper motor; 15. a threaded rod; 16. a drive motor; 17. a grinding wheel; 18. a fixed arm; 19. a turning arm; 20. a first cylinder; 21. a slider; 22. a connecting rod; 23. a first sprocket; 24. a ratchet mechanism; 25. a second sprocket; 26. a rotary damper; 27. a chain; 28. rotating the block; 29. a gear; 30. a clamp arm; 31. anti-skid blocks; 32. a double-sided rack; 33. a thrust spring; 34. a second cylinder; 35. and (7) pushing the block.

Detailed Description

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

Referring to the attached drawing 1, a special grinding machine for producing saw blades comprises a frame 1, wherein an installation mechanism used for fixing the saw blades and driving the saw blades to rotate intermittently is arranged on the frame 1, and a grinding mechanism used for grinding the saw blades is further arranged on the frame 1.

The mounting mechanism comprises a mounting table 2 which is rotated with a rack 1, an anti-skid damping layer 3 is fixedly arranged on the upper surface of the mounting table 2, a driving mechanism which drives the mounting table 2 to rotate is arranged on the rack 1, the driving mechanism comprises a second stepping motor 4 which is fixed on the rack 1, a worm 5 which is in running fit with the rack 1 is fixedly arranged at the shaft end of the second stepping motor 4, and a worm wheel 6 which is meshed with the worm 5 is fixedly arranged on the mounting table 2.

Referring to fig. 2, a through hole 7 is formed in the middle of the mounting table 2, a third cylinder 8 is fixedly arranged on the frame 1, a piston rod end of the third cylinder 8 penetrates through the through hole 7 and is rotatably provided with a rotating ring 9, three pairs of transmission rods 10 are hinged to the rotating ring 9, one end, away from the rotating ring 9, of each transmission rod 10 is hinged to a butting block 11, the butting blocks 11 are in sliding fit with the upper surface of the mounting table 2, and chamfers 12 are formed in the upper edge and the lower edge of one side, away from the third cylinder 8, of each butting block 11.

Referring to the attached drawing 1, the polishing mechanism comprises a polishing seat 13 arranged on a frame 1 in a sliding mode, a first stepping motor 14 is fixedly arranged on the frame 1, a threaded rod 15 is fixedly arranged at the shaft end of the first stepping motor 14, the threaded rod 15 is in threaded fit with the polishing seat 13, a driving motor 16 is fixedly arranged on the polishing seat 13, and a grinding wheel 17 is fixedly arranged at the shaft end of the driving motor 16.

The frame 1 is fixedly provided with two fixed arms 18, the fixed arm 18 is provided with a turnover arm 19 in a hinged mode, the fixed arm 18 is provided with a turnover mechanism for driving the turnover arm 19 to turn over, the turnover mechanism comprises a first air cylinder 20 fixed on the fixed arm 18, a sliding block 21 matched with the fixed arm 18 in a sliding mode is fixedly arranged at the end of a piston rod of the first air cylinder 20, the sliding block 21 is provided with a connecting rod 22 in a hinged mode, and one end, away from the sliding block 21, of the connecting rod 22 is hinged to the turnover arm 19.

The fixed arm 18 is provided with a first chain wheel 23, and with reference to fig. 3, a ratchet mechanism 24 is arranged between the first chain wheel 23 and the fixed arm 18 in a transmission manner, the ratchet mechanism 24 enables the first chain wheel 23 to rotate freely in one direction but not rotate in the opposite direction, and the ratchet mechanism 24 is prior art and will not be described herein in more detail. The end of the turning arm 19 away from the fixed arm 18 is rotatably provided with a second chain wheel 25, with reference to fig. 4, a rotary damper 26 is further arranged between the second chain wheel 25 and the turning arm 19, the diameter of the first chain wheel 23 is larger than that of the second chain wheel 25, and a chain 27 is arranged between the first chain wheel 23 and the second chain wheel 25 in a transmission manner.

Referring to fig. 4 and 5, the second sprocket 25 is provided with two clamping mechanisms, and when the tilting arm 19 is tilted to the horizontal state, the two clamping mechanisms are respectively located at two sides of the mounting table 2 and are located at the same horizontal plane with the saw blade. The clamping mechanism comprises a rotating block 28 fixedly connected with the second chain wheel 25, two gears 29 are rotatably arranged on the rotating block 28, clamping arms 30 are fixedly arranged on the gears 29, and anti-skidding blocks 31 are fixedly arranged at one ends, far away from the gears 29, of the clamping arms 30; a double-sided rack 32 is arranged on the rotating block 28 in a sliding manner, the double-sided rack 32 is meshed with the two gears 29, a thrust spring 33 is fixedly arranged at one end of the double-sided rack 32, the other end of the thrust spring 33 is fixedly connected with the rotating block 28, and the two clamping arms 30 are close to each other under the action of the thrust spring 33; two second air cylinders 34 are fixedly arranged on the frame 1, a piston rod end of each second air cylinder 34 is fixedly provided with a push block 35, and the push block 35 is positioned at one end, far away from the thrust spring 33, of the corresponding double-sided rack 32.

The working principle of the embodiment is as follows: second cylinder 34 promotes the butt of butt piece 11 to two-sided rack 32 during the beginning on to make centre gripping arm 30 open, and operating personnel will treat the saw bit of polishing and place the mount table 2 on, and make the saw bit cup joint in the outside of butt piece 11, later 8 drive butt pieces of third cylinder 11 expand outward, butt piece 11 supports the saw bit tightly, thereby mount table 2 carries out intermittent type under actuating mechanism's drive and rotates cooperation grinding machanism and polish the saw bit toothholder. After polishing one side, the second cylinder 34 drives the abutting block 11 to be far away from the double-sided rack 32, the two clamping arms 30 clamp the saw blade tightly, then the turning arm 19 turns upwards, the first chain wheel 23 cannot rotate under the action of the ratchet mechanism 24 in the process, so that the second chain wheel 25 is driven to rotate relative to the turning arm 19, the saw blade is turned 180 degrees relative to the turning arm 19, finally, the turning arm 19 falls down under the driving of the turning mechanism, the saw blade is installed on the installation table 2 again, and the other side of the saw blade is polished. The time of artifical upset saw bit can effectively be saved to this embodiment to improve the efficiency of polishing, and practical convenient, the reliability is high.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.

Claims

1. The utility model provides a dedicated polisher of saw bit production, includes frame (1), its characterized in that: the saw blade grinding machine is characterized in that an installation mechanism used for fixing a saw blade and driving the saw blade to rotate intermittently is arranged on the rack (1), and a grinding mechanism used for grinding the saw blade is also arranged on the rack (1); the improved turnover mechanism is characterized in that two fixing arms (18) are fixedly arranged on the rack (1), the two fixing arms (18) are respectively positioned at two sides of the mounting mechanism, turnover arms (19) are hinged to the fixing arms (18), turnover mechanisms for driving the turnover arms (19) to turn over are arranged on the fixing arms (18), first chain wheels (23) are arranged on the fixing arms (18), ratchet mechanisms (24) are arranged between the first chain wheels (23) and the fixing arms (18) in a transmission mode, one ends, far away from the fixing arms (18), of the turnover arms (19) are rotatably provided with second chain wheels (25), rotary dampers (26) are further arranged between the second chain wheels (25) and the turnover arms (19), the diameters of the first chain wheels (23) are larger than those of the second chain wheels (25), and chains (27) are arranged between the first chain wheels (23) and the second chain wheels (25) in a transmission mode, and a clamping mechanism is arranged on the second chain wheel (25).

2. The sander of claim 1, wherein the sander comprises: the clamping mechanism comprises a rotating block (28) fixedly connected with the second chain wheel (25), two gears (29) are rotatably arranged on the rotating block (28), clamping arms (30) are fixedly arranged on the gears (29), and an anti-skid block (31) is fixedly arranged at one end, far away from the gears (29), of each clamping arm (30); the rotating block (28) is provided with a double-sided rack (32) in a sliding mode, the double-sided rack (32) is meshed with the two gears (29), one end of the double-sided rack (32) is fixedly provided with a thrust spring (33), the other end of the thrust spring (33) is fixedly connected with the rotating block (28), and the two clamping arms (30) are close to each other under the action of the thrust spring (33); two second cylinders (34) are fixedly arranged on the rack (1), a pushing block (35) is fixedly arranged at the piston rod end of each second cylinder (34), and the pushing block (35) is located at one end, far away from the thrust spring (33), of the corresponding double-sided rack (32).

3. The sander of claim 1, wherein the sander comprises: grinding machanism is including sliding polishing seat (13) of setting in frame (1), fixed first step motor (14) that is provided with on frame (1), the fixed threaded rod (15) that is provided with of axle head of first step motor (14), threaded rod (15) and polishing seat (13) screw-thread fit, polishing seat (13) are gone up to fix and are provided with driving motor (16), driving motor (16) axle head is fixed and is provided with emery wheel (17).

4. The sander of claim 1, wherein the sander comprises: installation mechanism includes rotates mount table (2) with frame (1), be provided with drive mount table (2) pivoted actuating mechanism on frame (1), through-hole (7) have been seted up at the middle part of mount table (2), fixed third cylinder (8) that are provided with on frame (1), the tailpiece of the piston rod of third cylinder (8) rotates and is provided with swivel becket (9), the articulated a plurality of transfer lines (10) that are provided with on swivel becket (9), the articulated butt joint piece (11) that is provided with of one end that swivel becket (9) were kept away from in transfer line (10), butt joint piece (11) and the upper surface cooperation of sliding of mount table (2).

5. The sander of claim 4, wherein the sander comprises: and a chamfer (12) is formed at the lower edge of one side, away from the third cylinder (8), of the abutting block (11).

6. The sander of claim 4, wherein the sander comprises: and an anti-skidding damping layer (3) is fixedly arranged on the upper surface of the mounting table (2).

7. The sander of claim 4, wherein the sander comprises: the driving mechanism comprises a second stepping motor (4) fixed on the rack (1), a worm (5) in running fit with the rack (1) is fixedly arranged at the shaft end of the second stepping motor (4), and a worm wheel (6) meshed with the worm (5) is fixedly arranged on the mounting table (2).

8. The sander of claim 1, wherein the sander comprises: the turnover mechanism comprises a first air cylinder (20) fixed on a fixed arm (18), a sliding block (21) in sliding fit with the fixed arm (18) is fixedly arranged at a piston rod end of the first air cylinder (20), a connecting rod (22) is hinged to the sliding block (21), and one end, away from the sliding block (21), of the connecting rod (22) is hinged to a turnover arm (19).