CN216298968U

CN216298968U - Numerical control grinding machine for machining locking nut

Info

Publication number: CN216298968U
Application number: CN202122877650.2U
Authority: CN
Inventors: 刘名扬
Original assignee: Fengyuan Haochen Baoding Precision Machinery Co ltd
Current assignee: Fengyuan Haochen Baoding Precision Machinery Co ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-04-15
Anticipated expiration: 2031-11-23

Abstract

The utility model discloses a numerical control grinding machine for machining a locking nut.A grinding mechanism is arranged in the middle of the upper side of a fixed frame, one side of the grinding mechanism is provided with an air cylinder, and the other side of the grinding mechanism is provided with a clamping assembly; the grinding mechanism comprises a first motor, the first motor is connected with a grinding disc in a shaft mode, a fixing block is fixedly arranged on the back of the first motor, a threaded hole is formed in one end of the fixing block, a lead screw penetrates through the threaded hole, the other end of the fixing block is connected with a supporting rod in a sliding mode, and two end portions of the lead screw and two end portions of the supporting rod are connected with supporting frames in a sliding mode; one end of the screw rod is fixedly connected with a second motor; the clamping assembly comprises a box body, the middle part of the box body is connected with a push rod in a sliding manner, the push rod is fixedly connected with a push plate, two ends of the push plate are abutted with crank arms, and the crank arms are hinged with the side wall of the box body; according to the utility model, the air cylinder and the clamping assembly are matched with each other to clamp the nut to be processed, so that the clamping step is simplified, the clamping effect is better, and the grinding precision is further improved.

Description

Numerical control grinding machine for machining locking nut

Technical Field

The utility model relates to the technical field of machine tool technicians, in particular to a numerical control grinding machine for machining a locking nut.

Background

The lock nut can be attached to a mating member such as a shaft or a bolt by its internal thread, and can be used to position and fix a member located on an end side of the lock nut. For example, a lock nut can be mounted on the spindle, the lock torque of the lock nut providing an axial load to the spindle bearing to maintain the proper play of the spindle bearing. The locking nut is provided with a locking and anti-loosening mechanism, so that the locking nut is not loosened even under severe working conditions such as vibration and impact.

When the locking nut is machined, the plane of the locking nut needs to be effectively polished, but the existing grinding method of the grinding machine is single, the degree of freedom of a grinding disc is small, the moving distance of the grinding disc is small, and the clamping process before the locking nut is machined is complex, so that the grinding efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a numerical control grinding machine for machining a locking nut, which aims to solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following scheme: the utility model provides a numerical control grinding machine for machining a locking nut, which comprises a fixed frame, wherein a grinding mechanism is arranged in the middle of the upper side of the fixed frame, a first air cylinder is arranged on one side of the grinding mechanism, and a clamping assembly is arranged on the other side of the grinding mechanism; the grinding mechanism comprises a first motor, the first motor is connected with a grinding disc in a shaft mode, a fixed block is fixedly arranged at the back of the first motor, a threaded hole is formed in one end of the fixed block, a lead screw penetrates through the threaded hole, a supporting rod is connected to the other end of the fixed block in a sliding mode, the supporting rod penetrates through the fixed block, and two end portions of the lead screw and two end portions of the supporting rod are connected with supporting frames in a sliding mode; the lower part of the fixed block is fixedly connected with the body of the first motor; one end of the screw rod is fixedly connected with a second motor;

the clamping component comprises a box body, a push rod is connected to the middle of the box body in a sliding mode, a push plate is fixedly connected with the push rod, connecting levers are abutted to two ends of the push plate, and the connecting levers are hinged to side walls of the box body.

Preferably, the two groups of support frames are arranged on two sides of the fixed frame and are symmetrical to each other, a first sliding groove is longitudinally formed in each support frame, a second cylinder is fixedly arranged in each first sliding groove, a shaft sleeve is fixedly connected to the end portion of a piston rod of each second cylinder, the shaft sleeves are fixedly connected with the end portions of the lead screws, one ends of the lead screws penetrate through the shaft sleeves and are connected with second motors in a shaft coupling mode, and machine bodies of the second motors are fixedly connected with the support frames;

a second sliding groove is formed in one side of the supporting frame and is in sliding connection with the end portion of the supporting rod, a rib plate is arranged on the supporting rod, and one end, far away from the supporting rod, of the rib plate is in sliding connection with the second sliding groove.

Preferably, the box body is oval, the box body is fixedly connected with the fixing frame, two groups of crank arms are arranged, the inflection points of the two groups of crank arms are hinged with the box body, one end of each crank arm is positioned on the outer wall of the box body, and the other end of each crank arm is positioned inside the box body; the push plate is trapezoidal, the shorter bottom edge of the push plate is arranged towards the inner side of the box body, and one end of the crank arm positioned in the box body is abutted against the two side edges of the push plate; one end of the push rod is fixedly provided with a bearing block, and the other end of the push rod penetrates through the push plate and extends out of the outer side of the box body.

Preferably, one end of the push rod facing the first cylinder corresponds to an end of a piston rod of the first cylinder.

Preferably, the upper part of the fixing frame is provided with a liquid leakage hole which is communicated with a liquid collecting box, the liquid collecting box is fixedly connected below the fixing frame, and a filter screen is arranged between the liquid collecting box and the fixing frame; the improved water-saving water dispenser is characterized in that a water pump is fixedly arranged on the side wall of the liquid collecting box, a liquid outlet is formed in the side wall of the liquid collecting box, the liquid outlet is communicated with a liquid outlet pipe, the liquid outlet pipe bypasses the fixing frame and is connected with the upper portion of the fixing block, and a spray nozzle is communicated with one end of the liquid collecting box, which is far away from the liquid outlet.

Preferably, the bottom of the support frame is slidably connected with a track, the track is fixedly connected with the fixing frame, a groove matched with the track is formed in the bottom of the support frame, the track is an electromagnetic track, and the groove in the bottom of the support frame is made of ferromagnetic materials.

Preferably, a protective cover is lapped on the fixed frame, and a control panel is fixedly arranged on the protective cover.

Preferably, the supporting legs are arranged below the fixing frame, and the bottoms of the supporting legs are provided with limiting blocks or wheels.

The utility model discloses the following technical effects:

(1) according to the utility model, the sliding rail, the lead screw and the second cylinder are used for assisting the grinding disc to move, so that the grinding disc not only can move up and down and left and right, but also can move back and forth for grinding, the grinding machine can quickly and accurately grind the surface to be processed of the locking nut, and the grinding precision and efficiency are improved;

(2) according to the utility model, the air cylinder and the clamping assembly are matched with each other to clamp the nut to be processed, so that the clamping step is simplified, the clamping effect is better, and the grinding precision is further improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.

FIG. 1 is a schematic view of the grinder of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a right side view of the present invention;

FIG. 4 is a schematic view of a clamp assembly according to the present invention;

wherein: 1. a fixed mount; 2. a first cylinder; 3. a track; 4. a lead screw; 5. a box body; 6. A strut; 7. a first motor; 8. a second motor; 9. a grinding disk; 10. a liquid outlet pipe; 11. a crank arm; 12. a push rod; 13. a bearing block; 14. pushing the plate; 15. a weep hole; 16. a support frame; 17. A groove; 18. a spray head; 19. a support leg; 20. a shaft sleeve; 21. a second cylinder; 22. a protective cover; 23. a first chute; 24. a liquid collection tank; 25. a water pump; 26. a liquid outlet; 27. a control panel; 28. a second chute; 29. a rib plate; 30. a fixed block; 31. and (5) filtering by using a filter screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Referring to fig. 1-4, the utility model provides a numerical control grinding machine for machining a locking nut, which comprises a fixed frame 1, wherein a grinding mechanism is arranged in the middle of the upper side of the fixed frame 1, a first air cylinder 2 is arranged on one side of the grinding mechanism, and a clamping assembly is arranged on the other side of the grinding mechanism; the grinding mechanism comprises a first motor 7, the first motor 7 is connected with a grinding disc 9 in a shaft mode, a fixing block 30 is fixedly arranged on the back of the first motor 7, a threaded hole is formed in one end of the fixing block 30, a lead screw 4 penetrates through the threaded hole, a supporting rod 6 is connected to the other end of the fixing block 30 in a sliding mode, the supporting rod 6 penetrates through the fixing block 30, and two end portions of the lead screw 4 and two end portions of the supporting rod 6 are connected with a supporting frame 16 in a sliding mode; the lower part of the fixed block 30 is fixedly connected with the body of the first motor 7; one end of the screw rod 4 is fixedly connected with a second motor 8; this device abrasive disc 9 can realize the motion from top to bottom, left and right sides and front and back, has not only increased abrasive disc 9's degree of freedom, has improved the flexibility of grinding, through first cylinder 2 and screw drive, still is favorable to improving the stationarity of device operation moreover, improves the precision of grinding. The fixing block 30 can be regarded as a screw nut, and the supporting rod 6 is used for limiting the fixing block 30, so that the fixing block 30 is prevented from rotating while the screw 4 is prevented from rotating; the support rod 6 has another function of supporting and fixing the motor; the running stability of the grinding disc 9 of the device is ensured.

The clamping assembly comprises a box body 5, a push rod 12 is connected to the middle of the box body 5 in a sliding mode, a push plate 14 is fixedly connected to the push rod 12, two ends of the push plate 14 are abutted to crank arms 11, and the crank arms 11 are hinged to the side wall of the box body 5; the clamping assembly is linked with the bearing block 13 through two groups of crank arms 11 and is matched with the cylinder to clamp the nut to be ground into a whole, and the crank arms 11 can be extruded by moving the push plate 14 backwards, so that the effect of pressing more and more tightly is effectively realized; the stability of waiting to process the piece is improved.

The two groups of supporting frames 16 are arranged, the two groups of supporting frames 16 are positioned on two sides of the fixed frame 1 and are mutually symmetrical, a first sliding groove 23 is longitudinally formed in each supporting frame 16, a second air cylinder 21 is fixedly arranged in each first sliding groove 23, the end part of a piston rod of each second air cylinder 21 is fixedly connected with a shaft sleeve 20, each shaft sleeve 20 is fixedly connected with the end part of the lead screw 4, one end of each lead screw 4 penetrates through each shaft sleeve 20 and is connected with a second motor 8 in a shaft coupling mode, and the body of each second motor 8 is fixedly connected with the supporting frame 16; the outer wall of the shaft sleeve 20 is fixedly connected with the end part of a piston rod of the second air cylinder 21, and the inside of the shaft sleeve 20 is rotatably connected with the end part of the screw rod 4; first spout 23 and second spout have all been seted up to two support frames 16 insidely, and all are provided with second cylinder 21, can realize elevating movement's stationarity simultaneously.

The box body 5 is oval, the box body 5 is fixedly connected with the fixed frame 1, two groups of crank arms 11 are arranged, the inflection points of the two groups of crank arms 11 are hinged with the box body 5, one end of each crank arm 11 is positioned on the outer wall of the box body 5, and the other end of each crank arm 11 is positioned in the box body 5; the push plate 14 is trapezoidal, the shorter bottom edge of the push plate 14 is arranged towards the inner side of the box body 5, and one end of the crank arm 11 positioned in the box body 5 is abutted against the two side edges of the push plate 14; one end of the push rod 12 is fixedly provided with a bearing block 13, and the other end of the push rod 12 penetrates through the push plate 14 and extends out of the box body 5; two side edges of the trapezoidal push plate 14 can extrude one end part of the crank arm 11 in the moving process, so that one end of the crank arm 11 is expanded outwards, and the other end of the crank arm 11 moves inwards to realize a clamping state; the two ends of the push rod 12 penetrate through the push plate 14 and the box body and extend out of the outer side of the box body 5, so that the clamping and taking-down of the clamping assembly can be better realized; the simplicity and flexibility of operation are realized; the end of the push rod 12 facing the first cylinder 2 corresponds to the end of the piston rod of the first cylinder 2.

A liquid leakage hole 15 is formed in the upper part of the fixed frame 1, the liquid leakage hole 15 is communicated with a liquid collecting box 24, the liquid collecting box 24 is fixedly connected below the fixed frame 1, and a filter screen 31 is arranged between the liquid collecting box 24 and the fixed frame 1; a water pump 25 is fixedly arranged on the side wall of the liquid collecting box 24, a liquid outlet 26 is formed in the side wall of the liquid collecting box 24, the liquid outlet 26 is communicated with a liquid outlet pipe 10, the liquid outlet pipe 10 bypasses the fixed frame 1 and is connected with the upper part of the fixed block 30, and one end, far away from the liquid collecting box 24, of the liquid outlet 26 is communicated with a spray head 18; when the grinding disc 9 grinds, the water pump 25 sprays out the liquid inside through the spray head 18 to wash or cool the nut; the liquid after working can enter the liquid collecting tank 24 again to prepare for the next flushing, so that the resource recycling is realized; (the liquid in the header tank 24 is water, cooling liquid or cutting liquid, which is the prior art and is not limited to one of the above); the protective cover 22 is lapped on the fixed frame 1, and a control panel 27 is fixedly arranged on the protective cover 22; the protective cover 22 is hinged with the middle part, an operator can open any side of the protective cover 22, and the protective cover 22 can be made of high-strength glass or an observation window is arranged on the opaque protective cover 22, so that the operator can observe the internal condition; a supporting leg 19 is arranged below the fixed frame 1, and the bottom of the supporting leg 19 is provided with a limiting block or a wheel; the stopper can play the effect of stabilizing the lathe, and the stopper is fit for using when the lathe does not need to trade the position for a long time, and the wheel is then fit for using when frequently moving the lathe position, and during the use wheel, the wheel adopts the universal wheel to need to be furnished with the brake (universal wheel and brake are prior art, and not shown in the figure).

One side of the supporting frame 16 is provided with a second sliding chute 28, the second sliding chute 28 is connected with the end part of the supporting rod 6 in a sliding way, the supporting rod 6 is provided with a ribbed plate 29, and one end of the ribbed plate 29, which is far away from the supporting rod 6, is connected with the second sliding chute 28 in a sliding way; the rib plate 29 has a powerful supporting function on the supporting rod 6, and both the rib plate 29 and the supporting rod 6 can slide up and down along the second sliding groove 28; the bottom of the support frame 16 is connected with a track 3 in a sliding manner, the track 3 is fixedly connected with the fixed frame 1, the bottom of the support frame 16 is provided with a groove 17 matched with the track 3, the track 3 is an electromagnetic track, and the groove 17 at the bottom of the support frame 16 is made of ferromagnetic materials; the electromagnetic track cooperates with the support 16 with the recess 17 in a manner known in the art and the manner in which the support 16 operates in the present application is not limited to this one method.

The working process is as follows: before grinding the plane of the locking nut (the upper plane and the lower plane of the nut), the protective cover 22 needs to be opened first, the nut to be processed is placed in front of the bearing block 13, and the first cylinder 2 is started, so that the piston rod of the first cylinder 2 can push the locking nut to be tightly pressed with the bearing block 13; when the first cylinder 2 pushes the locking nut to extrude the bearing block 13, the bearing block 13 can simultaneously push the push rod 12 to move backwards, the push rod 12 drives the push plate 14 to move backwards together, the push plate 14 moving backwards is of a trapezoidal structure, the push plate 14 moving backwards pushes one end of each of the two crank arms 11 towards two sides, so that the other end of each crank arm 11 can clamp the locking nut, and the crank arms 11 can continuously clamp the locking nut until the locking nut is clamped along with the continuous pushing of the first cylinder 2, at the moment, a four-position integrated clamping mode of the two crank arms 11, the first cylinder 2 and the bearing block 13 is formed, and the clamping effect of the nut to be ground is effectively guaranteed; when fully clamped, the first cylinder 2 is deactivated.

Before grinding begins, the protective cover 22 is closed, an operator inputs parameters through the operation panel (the parameters are set according to actual conditions), the first motor 7, the second motor 8 and the electromagnetic guide rail move in a matched mode according to the input parameters (vertical, horizontal and front-back movement of the grinding disc 9 is achieved), and then the grinding disc 9 is driven to accurately grind the plane of the nut to be machined; during grinding, water in the liquid collecting tank 24 is pumped by the water pump 25 (taking water as an example) to impact a workpiece through the liquid outlet pipe 10 and the spray head 18, and the impacted water enters the liquid collecting tank again through the liquid leakage hole and the filter screen 31 to realize water circulation;

after the machining is finished, the protective cover 22 is opened, the first air cylinder 2 is started, the piston rod of the first air cylinder 2 is retracted, and when the piston rod is separated from the locking nut, the clamping assembly is loosened due to the fact that the extrusion force of the clamping assembly is reduced, and the locking nut is convenient to take out; if the clamping assembly is not loosened when the first cylinder 2 is retracted, the other end of the push rod 12 can be manually pushed, so that the crank arm 11 and the push plate 14 are loosened; after the nut is taken out, the nut can be taken out or the other end face of the nut can be machined, and the steps are repeated no matter the nut is taken out or the other end face of the nut is machined.

Claims

1. The utility model provides a processing numerical control grinding machine for lock nut which characterized in that: the grinding device comprises a fixed frame (1), wherein a grinding mechanism is arranged in the middle of the upper side of the fixed frame (1), a first air cylinder (2) is arranged on one side of the grinding mechanism, and a clamping assembly is arranged on the other side of the grinding mechanism; the grinding mechanism comprises a first motor (7), a grinding disc (9) is connected to the first motor (7) in a shaft mode, a fixing block (30) is fixedly arranged on the back of the first motor (7), a threaded hole is formed in one end of the fixing block (30), a lead screw (4) penetrates through the threaded hole, a supporting rod (6) is connected to the other end of the fixing block (30) in a sliding mode, the supporting rod (6) penetrates through the fixing block (30), and two end portions of the lead screw (4) and two end portions of the supporting rod (6) are connected with supporting frames (16) in a sliding mode; the lower part of the fixed block (30) is fixedly connected with the body of the first motor (7); one end of the screw rod (4) is fixedly connected with a second motor (8);

the clamping assembly comprises a box body (5), a push rod (12) is connected to the middle of the box body (5) in a sliding mode, a push plate (14) is fixedly connected to the push rod (12), crank arms (11) are connected to the two ends of the push plate (14) in an abutting mode, and the crank arms (11) are hinged to the side wall of the box body (5).

2. The numerical control grinding machine for machining lock nuts as claimed in claim 1, wherein: the two groups of support frames (16) are arranged, the two groups of support frames (16) are positioned on two sides of the fixing frame (1) and are mutually symmetrical, a first sliding groove (23) is longitudinally formed in each support frame (16), a second air cylinder (21) is fixedly arranged in each first sliding groove (23), the end part of a piston rod of each second air cylinder (21) is fixedly connected with a shaft sleeve (20), each shaft sleeve (20) is fixedly connected with the end part of the lead screw (4), one end of the lead screw (4) penetrates through each shaft sleeve (20) and is connected with a second motor (8) in a shaft coupling mode, and the body of each second motor (8) is fixedly connected with the support frame (16);

second spout (28) have been seted up to one side of support frame (16), second spout (28) with the tip sliding connection of branch (6), branch (6) are provided with floor (29), floor (29) are kept away from the one end of branch (6) with second spout (28) sliding connection.

3. The numerical control grinding machine for machining lock nuts as claimed in claim 1, wherein: the box body (5) is oval, the box body (5) is fixedly connected with the fixing frame (1), two groups of crank arms (11) are arranged, inflection points of the two groups of crank arms (11) are hinged to the box body (5), one end of each crank arm (11) is located on the outer wall of the box body (5), and the other end of each crank arm (11) is located inside the box body (5); the push plate (14) is trapezoidal, the shorter bottom edge of the push plate (14) is arranged towards the inner side of the box body (5), and one end of the crank arm (11) positioned in the box body (5) is abutted against the two side edges of the push plate (14); one end of the push rod (12) is fixedly provided with a bearing block (13), and the other end of the push rod (12) penetrates through the push plate (14) and extends out of the outer side of the box body (5).

4. The numerical control grinding machine for machining lock nuts as claimed in claim 1, wherein: one end of the push rod (12) facing the first cylinder (2) corresponds to the end of the piston rod of the first cylinder (2).

5. The numerical control grinding machine for machining lock nuts as claimed in claim 1, wherein: a liquid leakage hole (15) is formed in the upper portion of the fixing frame (1), the liquid leakage hole (15) is communicated with a liquid collecting box (24), the liquid collecting box (24) is fixedly connected to the lower portion of the fixing frame (1), and a filter screen (31) is arranged between the liquid collecting box (24) and the fixing frame (1); the improved liquid collecting device is characterized in that a water pump (25) is fixedly arranged on the side wall of the liquid collecting box (24), a liquid outlet (26) is formed in the side wall of the liquid collecting box (24), the liquid outlet (26) is communicated with a liquid outlet pipe (10), the liquid outlet pipe (10) bypasses the fixing frame (1) and is connected with the upper portion of the fixing block (30), and a spray head (18) is communicated with one end of the liquid collecting box (24) far away from the liquid outlet (26).

6. The numerical control grinding machine for machining lock nuts as claimed in claim 1, wherein: the bottom sliding connection of support frame (16) has track (3), track (3) with mount (1) fixed connection, support frame (16) bottom seted up with recess (17) of track (3) looks adaptation, track (3) are the electromagnetism track, support frame (16) bottom recess (17) are ferromagnetic material.

7. The numerical control grinding machine for machining lock nuts as claimed in claim 1, wherein: the protective cover (22) is lapped on the fixed frame (1), and a control panel (27) is fixedly arranged on the protective cover (22).

8. The numerical control grinding machine for machining lock nuts as claimed in claim 1, wherein: supporting legs (19) are arranged below the fixing frame (1), and limiting blocks or wheels are arranged at the bottoms of the supporting legs (19).