CN111774661A - General alloy saw blade top and face grinding machine - Google Patents

Abstract

The invention belongs to the technical field of mechanical equipment, and particularly relates to a universal alloy saw blade top grinding and surface grinding machine. The grinding head comprises a machine tool frame, a hanging disc mechanism, a grinding head assembly and a gear shifting mechanism. The application provides a general type alloy saw bit grinds top flour-milling machine has technical effect such as smooth operation, precision height, strong adaptability and noise low.

Description

General alloy saw blade top and face grinding machine

Technical Field

The invention belongs to the technical field of mechanical equipment, and particularly relates to a universal alloy saw blade top and surface grinding machine.

Background

The prior saw blade grinding machine has the following technical problems:

1. the hanging disc mechanism adopts a sliding seat and a pull rod to realize the adjustment and fixation of the position of the hanging disc, the stability and the self-locking performance are not enough, and when a saw blade is ground, the disturbance generated between the saw blade and a grinding head can be transmitted to the hanging disc mechanism to influence the grinding quality of the saw blade; in addition, the conventional disc hanging mechanism only has a disc hanging function and does not have a saw blade automatic centering function, and the conventional industrial requirements cannot be met.

2. The existing saw blade grinding machine adopts a servo motor to realize the swinging head movement of a grinding head, can meet the application requirements of most of the materials, but has the technical problems that the stability is poor, the grinding precision is easily influenced due to slight disturbance of the motor and the like in the application field of complex working conditions and high processing difficulty.

3. The tooth shifting mechanism of the existing saw blade grinding machine generally adopts a mode of directly pushing a saw blade to rotate to realize the tooth changing action of the saw blade, the tooth changing method can meet the processing requirements of saw blades with small and medium specifications, but for hard alloy saw blades with larger specifications, the problems of too low tooth changing efficiency, unavailable tooth changing precision and the like exist due to too large required pushing force.

Disclosure of Invention

In view of this, the invention provides a general alloy saw blade top grinding and surface grinding machine, which solves the technical problems in the prior art.

The technical scheme provided by the invention for solving the technical problem is as follows:

a general alloy saw blade top grinding and surface grinding machine comprises a machine frame and is characterized by further comprising a hanging disc mechanism, a grinding head assembly and a tooth shifting mechanism;

the disc hanging mechanism comprises a front shaft seat, a rear shaft seat, a track shaft, an adjusting shaft and a disc hanging seat; the track shaft and the adjusting shaft are arranged between the front shaft seat and the rear shaft seat in parallel, the track shaft is fixedly connected with the front shaft seat and the rear shaft seat, and the adjusting shaft is rotatably connected with the front shaft seat and the rear shaft seat; the hanging disc seat is simultaneously erected on the track shaft and the adjusting shaft, is in slidable connection with the track shaft and is in threaded transmission connection with the adjusting shaft, and is provided with a hanging disc shaft for hanging and fixing the saw blade to be ground; the adjusting shaft is provided with an axial driving device, the adjusting shaft can rotate clockwise or counterclockwise under the action of the axial driving device, and the hanging disc seat can be driven to slide back and forth along the track shaft when the adjusting shaft rotates, so that the position of a hanging disc of a saw blade to be ground can be adjusted;

the grinding head assembly comprises a lifting frame, a turbine steering mechanism, a turbine driving mechanism, a grinding head component, a fixing frame and a lifting driving mechanism; the turbine steering mechanism comprises a turbine shaft and a turbine structure arranged on the turbine shaft, and the turbine shaft is hinged on the lifting frame; the worm driving mechanism comprises a worm and a worm driving motor, the worm is hinged on the lifting frame and is in meshing transmission connection with the worm structure, the worm driving motor is fastened on the lifting frame and is in transmission connection with the worm, the grinding head assembly comprises a grinding head frame, a grinding head and a grinding head driving motor, the grinding head frame is fastened on a turbine shaft, the grinding head driving motor is fastened on the grinding head frame, and the grinding head is hinged on the grinding head frame and is in transmission connection with the grinding head driving motor; the worm driving motor can drive the turbine shaft to rotate through the worm when rotating forwards or reversely, the turbine shaft can drive the grinding head frame to do synchronous motion so as to drive the grinding head to swing head when rotating, the grinding head driving motor can drive the grinding head to do clockwise or anticlockwise grinding motion when rotating forwards or reversely, the lifting frame can be connected to the fixing frame in a sliding mode, the lifting driving mechanism is arranged on the fixing frame, and the lifting frame can do linear lifting motion on the fixing frame under the action of the lifting driving mechanism;

the gear shifting mechanism comprises an axis gear shifting system and a tangential gear shifting system; the axial center gear shifting system is used for realizing saw blade gear changing by enabling the saw blade to be ground to rotate, and the tangential gear shifting system is used for realizing saw blade gear changing by applying thrust from the circumference of the saw blade to be ground; the axis shifting system and/or the tangential shifting system can realize automatic gear changing of the saw blade to be ground;

the front shaft seat, the rear shaft seat, the fixing frame and the gear shifting mechanism are all arranged on the machine frame.

As the preferable selection of the plate hanging mechanism, the plate hanging mechanism also comprises a limiting mechanism, and the limiting mechanism comprises a limiting pressure cylinder and a limiting seat; the limiting seat is simultaneously erected on the track shaft and the adjusting shaft, is in slidable connection with the track shaft and is in threaded transmission connection with the adjusting shaft; the cylinder body of the limiting pressure cylinder is arranged on the limiting seat, and the piston rod is connected to the hanging disc seat; the transmission ratio of the threaded transmission connection between the limiting seat and the adjusting shaft is the same as that of the threaded transmission connection between the hanging disc seat and the adjusting shaft.

As the optimization of the hanging disc mechanism, the hanging disc seat and the track shaft form slidable connection through a coordination hole arranged on the hanging disc seat; the adjusting shaft is a lead screw, a threaded hole is formed in the hanging disc seat, and the hanging disc seat and the track shaft are in threaded transmission connection through the matching of the lead screw and the threaded hole; the axial driving device is a motor and/or an adjusting handle.

As the optimization of the grinding head assembly, the grinding head assembly also comprises a fixed frame and a lifting driving mechanism; but crane sliding connection is on the mount, and lift actuating mechanism sets up on the mount, and the crane can be linear elevating movement on the mount under lift actuating mechanism's effect. Further preferably, the lifting driving mechanism comprises a screw, a sliding table and a screw driving motor; the lead screw articulates on the mount, and the slip table passes through screw-thread fit transmission connection on the lead screw, lead screw driving motor set up on the mount and with the lead screw between the transmission connection, fastening connection between crane and the slip table, when lead screw driving motor corotation or reversal, can drive the crane through the slip table and be elevating movement along the lead screw.

As the optimization of the grinding head assembly, a lifting guide rail is arranged on the fixed frame, a guide rail matching structure is arranged on the lifting frame, and the lifting frame is slidably connected to the fixed frame through the matching between the guide rail matching structure and the lifting guide rail.

Preferably, the grinding head assembly is characterized in that the worm and the worm driving motor are in transmission connection through a transmission belt, the grinding head and the grinding head driving motor are in transmission connection through the transmission belt, the lifting frame is further provided with an upper bearing seat and a lower bearing seat, and the turbine shaft is hinged to the lifting frame through the upper bearing seat and the lower bearing seat.

Preferably, the axis shifting gear system comprises a disc shaft driving device for driving the disc hanging shaft to rotate; the disc shaft driving device comprises a disc shaft driving motor and a disc shaft gearbox matched with the disc shaft driving motor; the disc shaft driving motor and the disc shaft gearbox are both arranged on the disc hanging seat, and the disc hanging shaft is connected to the power output end of the disc shaft gearbox and can rotate clockwise or anticlockwise under the action of the disc shaft driving motor.

As the optimization of the gear shifting mechanism, the tangential gear shifting system comprises a shifting needle, an X-axis motion mechanism and a Y-axis motion mechanism; the poking needle is used for applying thrust from the circumference of the saw blade to be ground to realize the tooth changing action of the saw blade to be ground; the X-axis movement mechanism is used for driving the shifting needle to do X-axis movement; the Y-axis movement mechanism is connected with the X-axis movement mechanism in a sliding manner and is used for driving the X-axis movement mechanism to do Y-axis movement; the shifting needle can simultaneously do X-axis motion and Y-axis motion under the cooperation of the X-axis motion mechanism and the Y-axis motion mechanism, and finally an arc-shaped shifting track and a abdicating track are formed.

Further preferably, the X-axis movement mechanism comprises an X-axis frame, an X-axis lead screw, an X-axis driving motor, an X-axis sliding table and an X-axis sliding plate; the X-axis screw rod is hinged on the X-axis frame through a bearing, an X-axis driving motor is fixedly arranged on the X-axis frame and is in transmission connection with the X-axis screw rod, an X-axis sliding table is arranged on the X-axis screw rod through a thread transmission connecting sleeve, and an X-axis sliding plate is fastened on the X-axis sliding table; the shifting needle is fastened on the X-axis sliding plate, and when the X-axis driving motor rotates forwards or backwards, the X-axis sliding plate and the shifting needle can be driven to do X-axis axial motion through the X-axis lead screw and the X-axis sliding table. Further preferably, the Y-axis movement mechanism comprises a Y-axis frame, a Y-axis lead screw, a Y-axis drive motor and a Y-axis sliding table; the Y-axis screw rod is hinged on the Y-axis frame through a bearing, a Y-axis driving motor is fixedly arranged on the Y-axis frame and is in transmission connection with the Y-axis screw rod, and a Y-axis sliding table is arranged on the Y-axis screw rod through a thread transmission connecting sleeve; the X-axis frame is fastened on the Y-axis sliding table, and when the Y-axis driving motor rotates forwards or reversely, the X-axis frame can be driven to move in the Y-axis direction through the Y-axis lead screw and the Y-axis sliding table; the Y-axis frame is fastened on the machine frame.

The beneficial technical effects are as follows:

1. this application adopts preceding axle bed, back axle bed, track axle, regulating spindle and hangs a set seat and constitute and hang a set mechanism and adopt the lead screw as drive disk assembly, has technical effect such as self-locking performance is good and stability is strong. Meanwhile, the hanging disc mechanism is also provided with a limiting mechanism, and the hanging disc can be fed back and forth or automatically centered by a limiting pressure cylinder after the position of the hanging disc is adjusted.

2. The application provides a saw bit grinds quick-witted worm gear bistrique assembly adopts servo motor + worm gear system to realize the yaw motion of bistrique, has technical advantage such as the transmission is steady, the noise is low, self-locking performance is good, the grinding precision is high and the drive ratio is big.

3. The tooth shifting mechanism of the saw blade grinding machine is a double-drive tooth shifting system and comprises an axis tooth shifting system and a tangential tooth shifting system; the axial shifting system realizes saw blade gear changing by enabling the saw blade to rotate, and the tangential shifting system realizes saw blade gear changing by applying thrust from the circumference of the saw blade; the axis tooth shifting system and the tangential tooth shifting system can realize automatic tooth changing of large-specification saw blades, can be perfectly compatible with small-specification saw blades, and have the technical effects of strong adaptability, high tooth changing efficiency, guarantee of tooth changing precision and the like.

The technical solutions and technical effects of the present application will be described in detail below with reference to the drawings and the detailed description of the present application.

Drawings

FIG. 1: the structure of the general alloy saw blade grinding and top milling machine is schematically shown;

FIG. 2: FIG. 1 is a schematic structural diagram of a hanging plate mechanism;

FIG. 3: fig. 1 is a schematic structural view of a grinding head assembly;

FIG. 4: FIG. 1 is a schematic view of a tangential shifting system;

FIG. 5: figure 3 is a partial structural schematic diagram of the grinding head assembly.

And (3) identification and explanation:

10-a machine tool frame, 20-a hanging disc mechanism, 30-a grinding head assembly and 40-a gear shifting mechanism;

210-a front shaft seat, 220-a rear shaft seat, 230-a track shaft, 240-an adjusting shaft, 250-a hanging disc seat and 260-a limiting mechanism;

2410-axial driving device;

2510-hanging plate shaft;

2610-limit pressure cylinder, 2620-limit seat;

310-a lifting frame, 320-a turbine steering mechanism, 330-a turbine driving mechanism, 340-a grinding head assembly, 350-a fixing frame and 360-a lifting driving mechanism;

3110-guide rail fitting structure, 3120-upper bearing seat, 3130 lower bearing seat;

3210-turbine shaft, 3220-turbine structure;

3310-Worm, 3320-Worm drive Motor;

3410-grinding head frame, 3420-grinding head, 3430-grinding head driving motor, 3440-motor supporting framework, 3450-grinding head shaft, 3460-feeding seat, 3470-feeding sliding table, 3480-feeding screw rod and 3490-feeding driving motor;

3510-a lifting rail;

3610-lead screw, 3620-sliding table, 3630-lead screw driving motor;

410-an axial shifting system, 420-a tangential shifting system;

4110-disc shaft driving motor, 4120-disc shaft gear box;

4210-setting needle, 4220-X axis movement mechanism and 4230-Y axis movement mechanism;

4221-X-axis frame, 4222-X-axis lead screw, 4223-X-axis driving motor, 4224-X-axis sliding table and 4225-X-axis sliding plate;

4231-Y-axis frame, 4232-Y-axis screw rod, 4233-Y-axis driving motor and 4234-Y-axis sliding table.

Detailed Description

Referring to fig. 1-4, the present application provides a general alloy saw blade top grinding and surface grinding machine, which includes a frame 10, a hanging plate mechanism 20, a grinding head assembly 30 and a tooth-poking mechanism 40. The machine tool frame 10 is used for bearing the hanging disc mechanism 20, the grinding head assembly 30 and the tooth shifting mechanism 40, the hanging disc mechanism 20 is used for hanging a hard alloy saw blade to be ground, the grinding head assembly 30 is used for providing a saw blade grinding function, and the tooth shifting mechanism 40 is used for completing automatic tooth changing operation of the saw blade.

Referring to fig. 1 and 2, the disk hanging mechanism 20 includes a front shaft seat 210, a rear shaft seat 220, a track shaft 230, an adjusting shaft 240, a disk hanging seat 250, and a limiting mechanism 260.

The track shaft 230 and the adjusting shaft 240 are arranged between the front shaft seat 210 and the rear shaft seat 220 in parallel, the track shaft 230 and the front shaft seat 210 and the rear shaft seat 220 are fixedly connected by fasteners and/or welding, and the adjusting shaft 240 and the front shaft seat 210 and the rear shaft seat 220 are rotatably connected by bearings.

The hanging disc seat 250 is simultaneously erected on the track shaft 230 and the adjusting shaft 240, and is in slidable connection with the track shaft 230 and in threaded transmission connection with the adjusting shaft 240, and a hanging disc shaft 2510 for hanging and fixing a saw blade to be ground is arranged on the hanging disc seat 250.

The limiting mechanism 260 comprises a limiting pressure cylinder 2610 and a limiting seat 2620. The limiting seat 2620 is erected on the track shaft 230 and the adjusting shaft 240 at the same time, and is slidably connected with the track shaft 230 and in threaded transmission connection with the adjusting shaft 240; a limiting pressure cylinder 2610 such as a cylinder body of an air cylinder or a hydraulic cylinder is arranged on the limiting seat 2620, and a piston rod is connected to the hanging disc seat 250; the transmission ratio of the threaded transmission connection between the limiting seat 2620 and the adjusting shaft 240 is the same as the transmission ratio of the threaded transmission connection between the hanging disc seat 250 and the adjusting shaft 240.

The adjusting shaft 240 is a lead screw, threaded holes used for being matched with the lead screw are formed in the hanging disc seat 250 and the limiting seat 2620, and the hanging disc seat 250 and the limiting seat 2620 are in threaded transmission connection through the matching of the threaded holes and the lead screw. The hanging disc seat 250 and the limiting seat 2620 are provided with coordination holes for matching with the track shaft 230, and the hanging disc seat 250 and the limiting seat 2620 are in slidable connection through the matching of the coordination holes and the track shaft 230. The axial drive 2410 is an adjustment handle.

The adjusting handle is rotated to form the axial driving device 2410, the adjusting shaft 240 can rotate clockwise or anticlockwise under the action of the axial driving device 2410 and the adjusting handle, and the hanging disc seat 250 and the limiting seat 2620 can be driven to slide back and forth along the track shaft 230 when the adjusting shaft 240 rotates, so that the position of the hanging disc of the saw blade to be ground is adjusted. When the adjusting handle, that is, the axial driving device 2410, adjusts the feeding position, the limiting pressure cylinder 2610 can also feed back and forth or center automatically.

Referring to fig. 1, 3 and 5, the grinding head assembly includes a fixing frame 350, a lifting frame 310, a turbine steering mechanism 320, a grinding head assembly 340, a turbine driving mechanism 330 and a lifting driving mechanism 360.

The fixing frame 350 is used for mounting the grinding head assembly on the machine bed frame 10, a lifting guide rail 3510 is arranged on the fixing frame 350, a guide rail matching structure 3110 is arranged at the corresponding part of the lifting frame 310, and the lifting frame 310 is slidably connected to the fixing frame 350 through matching between the guide rail matching structure 3110 and the lifting guide rail 3510. The lifting driving mechanism 360 comprises a lead screw 3610, a sliding table 3620 and a lead screw driving motor 3630; the lead screw 3610 is hinged on the fixed frame 350, the sliding table 3620 is in transmission connection with the lead screw 3610 through thread fit, the lead screw driving motor 3630 is arranged on the fixed frame 350 and is in transmission connection with the lead screw 3610, and the lifting frame 10 is in fastening connection with the sliding table 3620; when the screw driving motor 3630 rotates forwards or reversely, the lifting frame 10 can be driven by the sliding table 3620 to do linear lifting motion along the screw 3610. That is, the lifting frame 310 can perform a linear lifting motion on the fixing frame 350 by the lifting driving mechanism 360.

The turbine steering mechanism 320 comprises a turbine shaft 3210 and a turbine structure 3220 arranged on the turbine shaft 3210, wherein the turbine shaft 3210 is hinged to the lifting frame 310 through an upper bearing seat 3120 and a lower bearing seat 3130. Wherein: the lower bearing block 3130 is a thrust bearing; the turbine structure 3220 may be a turbine fastened to the turbine shaft 3210, or may be a turbine structure integrally formed with the turbine shaft 3210.

The worm gear driving mechanism 330 comprises a worm 3310 and a worm driving motor 3320, the worm 3310 is hinged on the lifting frame 310 through a bearing and a bearing seat and is in meshed transmission connection with the worm gear structure 3220, and the worm driving motor 3320 is fastened on the lifting frame 310 and is in transmission connection with the worm 310 through a transmission belt.

The grinder assembly 340 includes a grinder frame 3410, grinders 3420, grinder driving motors 3430, a motor support structure 3440, grinder shafts 3450, a feed base 3460, a feed slide table 3470, a feed screw 3480, and a feed driving motor 3490. The grinding head holder 3410 is fastened to the turbine shaft 3210 and can rotate synchronously with the turbine shaft 3210. The motor support structure 3440 is fastened to the head holder 3410 and can rotate synchronously with the head holder 3410, and the head driving motor 3430 is disposed on the motor support structure 3440.

The feeding sliding table 3470, the feeding screw 3480 and the feeding driving motor 3490 are all arranged on the grinder rack 3410, the feeding screw 3480 is in transmission connection with the feeding driving motor 3490, and the feeding sliding table 3470 is in transmission connection with the feeding screw 3480; the feeding base 3460 is slidably connected to the grinding head holder 3410 through a guide rail slider group and is fixedly connected with the feeding sliding table 3470, the grinding head shaft 3450 is hinged to the feeding base 3440 through a bearing and a bearing seat, the grinding head 3420 is fixedly connected to one end of the grinding head shaft 3450, and the other end of the grinding head shaft 3450 is connected to the grinding head driving motor 3430 through a transmission belt; that is, the grinding head frame 3410 is fastened on the turbine shaft 3210, and the grinding head driving motor 3430 is fastened on the grinding head frame 3410 through the motor support structure 3440; the grinding head 3420 is hinged on the grinding head frame 3410 through a feeding seat 3460 and a grinding head shaft 3450 and is in transmission connection with a grinding head driving motor 3430. The worm driving motor 3320 can drive the turbine shaft 3210 to rotate through the worm 3310 when rotating in forward or reverse directions, the turbine shaft 3210 can drive the grinding head holder 3410 to perform synchronous motion so as to drive the grinding head 3420 to swing, the grinding head driving motor 3430 can drive the grinding head 3420 to perform clockwise or counterclockwise grinding motion when rotating in forward or reverse directions, and the feeding sliding table 3470 can drive the feeding seat 3460 and the grinding head 3420 to perform feeding or retracting motion when the feeding driving motor 3490 rotates in forward or reverse directions.

Referring to fig. 1, 2 and 4, the tooth shifting mechanism 40 provided by the present application is a dual-drive tooth shifting system, which includes an axial tooth shifting system 410 and a tangential tooth shifting system 420; the axial shifting system 410 is used for realizing saw blade tooth changing by enabling the saw blade to be ground to rotate, and the tangential shifting system 420 is used for realizing saw blade tooth changing by applying thrust from the circumference of the saw blade to be ground; the axial shifting system 410 and/or the tangential shifting system 420 can realize the automatic gear changing of the ultra-large saw blade and can also realize the automatic gear changing of the saw blades to be ground of other specifications respectively.

The axial shifting system 410 includes a disk axis drive; the disk shaft rotating device comprises a disk shaft driving motor 4110 and a disk shaft gearbox 4120 matched with the disk shaft driving motor 4110; the disc shaft driving motor 4110 and the disc shaft gearbox 4120 are both arranged on the hanging disc seat 250, and the hanging disc shaft 2510 is connected to the power output end of the disc shaft gearbox 4120 and can rotate clockwise or anticlockwise under the action of the disc shaft driving motor 4110.

The tangential shifting tooth system 420 includes a shifting pin 4210, an X-axis motion 4220, and a Y-axis motion 4230. The shifting needle 4210 is used for applying thrust from the circumference of the saw blade to be ground to realize the tooth changing action of the saw blade to be ground; the X-axis movement mechanism 4220 is used for driving the shifting needle 4210 to do X-axis movement; the Y-axis movement mechanism 4230 is connected with the X-axis movement mechanism 4220 in a sliding manner and is used for driving the X-axis movement mechanism 4220 to move in the Y-axis direction; the shifting needle 4210 can perform X-axis movement and Y-axis movement simultaneously under the cooperation of the X-axis movement mechanism 4220 and the Y-axis movement mechanism 4230, and finally an arc-shaped shifting track and a yielding track are formed.

The X-axis movement mechanism 4220 comprises an X-axis frame 4221, an X-axis lead screw 4222, an X-axis driving motor 4223, an X-axis sliding table 4224 and an X-axis sliding plate 4225; the X-axis screw 4222 is hinged on the X-axis frame 4221 through a bearing, an X-axis driving motor 4223 is fixedly arranged on the X-axis frame 4221 and is in transmission connection with the X-axis screw 4222, an X-axis sliding table 4224 is sleeved on the X-axis screw 4222 through threaded transmission connection, and an X-axis sliding plate 4225 is fastened on the X-axis sliding table 4224; the shifting needle 4210 is fastened on the X-axis sliding plate 4225, and when the X-axis driving motor 4223 rotates forwards or reversely, the X-axis sliding plate 4225 and the shifting needle 4210 can be driven to move in the X-axis direction by the X-axis lead screw 4222 and the X-axis sliding table 4224.

The Y-axis movement mechanism 4230 comprises a Y-axis frame 4231, a Y-axis lead screw 4232, a Y-axis drive motor 4233 and a Y-axis sliding table 4234; the Y-axis lead screw 4232 is hinged on the Y-axis frame 4231 through a bearing, a Y-axis driving motor 4233 is fixedly arranged on the Y-axis frame 4231 and is in transmission connection with the Y-axis lead screw 4232, and a Y-axis sliding table 4234 is arranged on the Y-axis lead screw 4232 through a thread transmission connecting sleeve; the X-axis frame 4221 is fastened on the Y-axis sliding table 4234, and when the Y-axis driving motor 4233 rotates forwards or reversely, the X-axis frame 4221 can be driven to move in the Y-axis direction through the Y-axis lead screw 4232 and the Y-axis sliding table 4234.

At least one Y-axis guide rail sliding block group is arranged on the Y-axis frame 4231, and the X-axis frame 4221 is fastened on sliding blocks of the Y-axis guide rail sliding block group; at least one X-axis guide rail is laid on the X-axis frame 4221, a guide rail coordination structure is arranged on the X-axis sliding plate 4225, and the X-axis sliding plate 4225 is connected to the X-axis frame 4221 in a sliding mode through matching between the X-axis guide rail and the guide rail coordination structure.

The front shaft seat 210, the rear shaft seat 220, the fixing frame 350 and the Y-axis frame 4231 are all arranged on the machine frame 10.

Description of the mechanism: the saw blade is fixed on the hanging disc shaft 2510, and the position of the hanging disc is adjusted by the axial driving device 2410 (adjusting handle) and automatically centered. Then, the grinding head assembly 30 is started, and the grinding head assembly 30 finishes the grinding processing of the current saw tooth through head swinging, lifting and feeding motions. Then, the axial shifting system 410 and/or the tangential shifting system 420 are/is activated to shift the saw blade to the next saw tooth to be ground, so as to finish the grinding of all saw teeth in sequence.

Synthesize, the general type alloy saw blade grinds top flour-milling machine that this application provided has following beneficial technological effect:

1. this application adopts preceding axle bed, back axle bed, track axle, regulating spindle and hangs a set seat and constitute and hang a set mechanism and adopt the lead screw as drive disk assembly, has technical effect such as self-locking performance is good and stability is strong. Meanwhile, the hanging disc mechanism is also provided with a limiting mechanism, and the hanging disc can be fed back and forth or automatically centered by a limiting pressure cylinder after the position of the hanging disc is adjusted.

2. The application provides a saw bit grinds quick-witted worm gear bistrique assembly adopts servo motor + worm gear system to realize the yaw motion of bistrique, has technical advantage such as the transmission is steady, the noise is low, self-locking performance is good, the grinding precision is high and the drive ratio is big.

3. The application provides a double-drive tooth shifting system of a saw blade grinding machine, which comprises an axis tooth shifting system and a tangential tooth shifting system; the axial tooth shifting system realizes saw blade tooth changing by enabling the saw blade to rotate, and the tangential tooth shifting system realizes saw blade tooth changing by applying thrust from the circumference of the saw blade; the axis tooth shifting system and the tangential tooth shifting system can realize automatic tooth changing of large-specification saw blades, can be perfectly compatible with small-specification saw blades, and have the technical effects of strong adaptability, high tooth changing efficiency, guarantee of tooth changing precision and the like.

While the invention has been described in detail and with reference to the drawings and specific embodiments thereof, it should be understood that the detailed description and specific embodiments thereof disclosed in the specification are merely preferred embodiments of the invention, and that other embodiments may be developed by those skilled in the art; any simple modifications and equivalents without departing from the innovative concept of the present invention are intended to be included within the scope of the present patent.

Claims (10)

1. The general alloy saw blade top grinding and surface grinding machine comprises a machine frame (10) and is characterized by further comprising a hanging disc mechanism (20), a grinding head assembly (30) and a gear shifting mechanism (40);

the disc hanging mechanism (20) comprises a front shaft seat (210), a rear shaft seat (220), a track shaft (230), an adjusting shaft (240) and a disc hanging seat (250); the track shaft (230) and the adjusting shaft (240) are arranged between the front shaft seat (210) and the rear shaft seat (220) in parallel, the track shaft (230) is fixedly connected with the front shaft seat (210) and the rear shaft seat (220), and the adjusting shaft (240) is rotatably connected with the front shaft seat (210) and the rear shaft seat (220); the hanging disc seat (250) is erected on the track shaft (230) and the adjusting shaft (240) at the same time, is in slidable connection with the track shaft (230), is in threaded transmission connection with the adjusting shaft (240), and is provided with a hanging disc shaft (2510) for suspending and fixing a saw blade to be ground; an axial driving device (2410) is arranged on the adjusting shaft (240), the adjusting shaft (240) can rotate clockwise or anticlockwise under the action of the axial driving device (2410), and when the adjusting shaft (240) rotates, the hanging disc seat (250) can be driven to slide back and forth along the track shaft (230), so that the position of a hanging disc of a saw blade to be ground can be adjusted;

the grinding head assembly (30) comprises a lifting frame (310), a turbine steering mechanism (320), a turbine driving mechanism (330), a grinding head assembly (340), a fixing frame (350) and a lifting driving mechanism (360); the turbine steering mechanism (320) comprises a turbine shaft (3210) and a turbine structure (3220) arranged on the turbine shaft (3210), wherein the turbine shaft (3210) is hinged on the lifting frame (310); the turbine driving mechanism (330) comprises a worm (3310) and a worm driving motor (3320), the worm (3310) is hinged on the lifting frame (310) and is in meshed transmission connection with the turbine structure (3220), the worm driving motor (3320) is fastened on the lifting frame (310) and is in transmission connection with the worm (3310), the grinding head assembly (340) comprises a grinding head frame (3410), a grinding head (3420) and a grinding head driving motor (3430), the grinding head frame (3410) is fastened on the turbine shaft (3210), the grinding head driving motor (3430) is fastened on the grinding head frame (3410), and the grinding head (3420) is hinged on the grinding head frame (3410) and is in transmission connection with the grinding head driving motor (3430); the worm driving motor (3320) can drive the turbine shaft (3210) to rotate through the worm (3310) when rotating forward or backward, the turbine shaft (3210) can drive the grinding head frame (3410) to do synchronous motion so as to drive the grinding head (3420) to swing, the grinding head driving motor (3430) can drive the grinding head (3420) to do clockwise or anticlockwise grinding motion when rotating forward or backward, the lifting frame (310) is slidably connected to the fixing frame (350), the lifting driving mechanism (360) is arranged on the fixing frame (350), and the lifting frame (310) can do linear lifting motion on the fixing frame (350) under the action of the lifting driving mechanism (360);

the gear shifting mechanism (40) comprises an axis gear shifting system (410) and a tangential gear shifting system (420); the axial center gear shifting system (410) is used for realizing saw blade gear changing by enabling a saw blade to be ground to rotate, and the tangential gear shifting system (420) is used for realizing saw blade gear changing by applying thrust from the circumference of the saw blade to be ground; the axial shifting system (410) and/or the tangential shifting system (420) can realize automatic gear changing of the saw blade to be ground;

the front shaft seat (210), the rear shaft seat (220), the fixing frame (350) and the gear shifting mechanism (40) are all arranged on the machine bed frame (10).

2. The universal alloy saw blade top grinding and surface grinding machine as claimed in claim 1, wherein:

the hanging disc mechanism (20) further comprises a limiting mechanism (260), and the limiting mechanism (260) comprises a limiting pressure cylinder (2610) and a limiting seat (2620); the limiting seat (2620) is erected on the track shaft (230) and the adjusting shaft (240) at the same time, is in slidable connection with the track shaft (230), and is in threaded transmission connection with the adjusting shaft (240); the cylinder body of the limiting pressure cylinder (2610) is arranged on the limiting seat (2620), and the piston rod is connected to the hanging disc seat (250); the transmission ratio of the threaded transmission connection between the limiting seat (2620) and the adjusting shaft (240) is the same as that of the threaded transmission connection between the hanging disc seat (250) and the adjusting shaft (240).

3. The universal alloy saw blade top grinding and surface grinding machine as claimed in claim 1, wherein:

the hanging disc seat (250) and the track shaft (230) are in slidable connection through a coordination hole arranged on the hanging disc seat (250); the adjusting shaft (240) is a lead screw, a threaded hole is formed in the hanging disc seat (250), and the hanging disc seat (250) is in threaded transmission connection with the track shaft (230) through the matching of the lead screw and the threaded hole; the axial driving device (410) is a motor and/or an adjusting handle.

4. The universal alloy saw blade top grinding and surface grinding machine as claimed in claim 1, wherein:

the grinding head assembly (30) further comprises a fixed frame (350) and a lifting driving mechanism (360);

the lifting frame (310) is slidably connected to the fixing frame (350), the lifting driving mechanism (360) is arranged on the fixing frame (350), and the lifting frame (310) can do linear lifting motion on the fixing frame (350) under the action of the lifting driving mechanism (360).

5. The universal alloy saw blade top grinding and surface grinding machine as claimed in claim 4, wherein:

the lifting driving mechanism (360) comprises a lead screw (3610), a sliding table (3620) and a lead screw driving motor (3630);

the lead screw (3610) is hinged to the fixing frame (350), the sliding table (3620) is connected to the lead screw (3610) through thread matching transmission, the lead screw driving motor (3630) is arranged on the fixing frame (350) and is in transmission connection with the lead screw (3610), the lifting frame (310) is in fastening connection with the sliding table (3620), and when the lead screw driving motor (3630) rotates forwards or reversely, the lifting frame (310) can be driven to move up and down along the lead screw (3610) through the sliding table (3620).

6. The universal alloy saw blade top grinding and surface grinding machine as claimed in claim 4, wherein:

the grinding head assembly (340) further comprises a grinding head shaft (3450), a feeding seat (3460), a feeding sliding table (3470), a feeding screw rod (3480) and a feeding driving motor (3490);

the feeding sliding table (3470), the feeding screw (3480) and the feeding driving motor (3490) are all arranged on the grinding head frame (3410), the feeding screw (3480) and the feeding driving motor (3490) are in transmission connection, and the feeding sliding table (3470) is in transmission connection with the feeding screw (3480);

the feeding seat (3460) is slidably connected to the grinding head frame (3410) and is fixedly connected with the feeding sliding table (3470), the grinding head shaft (3450) is hinged to the feeding seat (3440), the grinding head (3420) is fixedly connected to one end of the grinding head shaft (3450), the other end of the grinding head shaft (3450) is in transmission connection with the grinding head driving motor (3430), and when the feeding driving motor (3490) rotates forwards or backwards, the feeding seat (3460) and the grinding head (3420) can be driven to perform feed or retracting movement through the feeding sliding table (3470).

7. The universal alloy saw blade top grinding and surface grinding machine as claimed in claim 1, wherein:

the grinding head grinding device is characterized in that the worm (3310) is in transmission connection with the worm driving motor (3320) through a transmission belt, the grinding head (3420) is in transmission connection with the grinding head driving motor (3430) through the transmission belt, the lifting frame (310) is further provided with an upper bearing seat (3120) and a lower bearing seat (3130), and the turbine shaft (3210) is hinged to the lifting frame (310) through the upper bearing seat (3120) and the lower bearing seat (3130).

8. The universal alloy saw blade top grinding and surface grinding machine as claimed in claim 1, wherein:

the shaft center gear shifting system (410) comprises a disc shaft driving device for driving the disc hanging shaft (2510) to rotate; the disc shaft driving device comprises a disc shaft driving motor (4110) and a disc shaft gearbox (4120) matched with the disc shaft driving motor (4110); the disc shaft driving motor (4110) and the disc shaft gearbox (4120) are both arranged on the disc hanging seat (250), and the disc hanging shaft (2510) is connected to a power output end of the disc shaft gearbox (4120) and can rotate clockwise or anticlockwise under the action of the disc shaft driving motor (4110).

9. The universal alloy saw blade top grinding and surface grinding machine as claimed in claim 1, wherein:

the tangential shifting gear system (420) comprises a shifting needle (4210), an X-axis movement mechanism (4220) and a Y-axis movement mechanism (4230); the poking needle (4210) is used for applying thrust from the circumference of the saw blade to be ground to realize the tooth changing action of the saw blade to be ground;

the X-axis movement mechanism (4220) is used for driving the shifting needle (4210) to do X-axis movement;

the Y-axis movement mechanism (4230) is connected with the X-axis movement mechanism (4210) in a sliding manner and is used for driving the X-axis movement mechanism (4220) to move in the Y-axis direction;

the shifting needle (4210) can simultaneously do X-axis motion and Y-axis motion under the cooperation of the X-axis motion mechanism (4220) and the Y-axis motion mechanism (4230), and finally an arc-shaped shifting track and a yielding track are formed.

10. The universal alloy saw blade top grinding and surface grinding machine as claimed in claim 9, wherein:

the X-axis movement mechanism (4220) comprises an X-axis frame (4221), an X-axis lead screw (4222), an X-axis driving motor (4223), an X-axis sliding table (4224) and an X-axis sliding plate (4225);

the X-axis lead screw (4222) is hinged to the X-axis frame (4221) through a bearing, the X-axis driving motor (4223) is fixedly installed on the X-axis frame (4221) and is in transmission connection with the X-axis lead screw (4222), the X-axis sliding table (4224) is arranged on the X-axis lead screw (4222) through a thread transmission connecting sleeve, and the X-axis sliding plate (4225) is fastened on the X-axis sliding table (4224);

the shifting needle (4210) is fastened on the X-axis sliding plate (4225), and when the X-axis driving motor (4223) rotates forwards or reversely, the X-axis sliding plate (4225) and the shifting needle (10) can be driven to do X-axis axial movement through the X-axis lead screw (4222) and the X-axis sliding table (4224);

the Y-axis movement mechanism (4230) comprises a Y-axis frame (4231), a Y-axis lead screw (4232), a Y-axis driving motor (4233) and a Y-axis sliding table (4234);

the Y-axis lead screw (4232) is hinged to the Y-axis frame (4231) through a bearing, the Y-axis driving motor (4233) is fixedly installed on the Y-axis frame (4231) and is in transmission connection with the Y-axis lead screw (4232), and the Y-axis sliding table (4234) is arranged on the Y-axis lead screw (4232) through a thread transmission connecting sleeve;

the X-axis frame (4221) is fastened on the Y-axis sliding table (4234), and when the Y-axis driving motor (4233) rotates forwards or reversely, the X-axis frame (4221) can be driven to do Y-axis axial movement through the Y-axis lead screw (4232) and the Y-axis sliding table (4234); the Y-axis frame (4231) is fastened to the frame (10).

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