CN212601180U

CN212601180U - Main shaft bearing structure for numerically-controlled grinder

Info

Publication number: CN212601180U
Application number: CN201821580974.1U
Authority: CN
Inventors: 房治国
Original assignee: Tianjin Derui Seiko Technology Development Co ltd
Current assignee: Tianjin Derui Seiko Technology Development Co ltd
Priority date: 2018-09-27
Filing date: 2018-09-27
Publication date: 2021-02-26
Anticipated expiration: 2028-09-27

Abstract

The utility model relates to a main shaft bearing structure technical field just discloses a main shaft bearing structure for numerically control grinder, the on-line screen storage device comprises a base, the base top is close to the equal fixedly connected with fixed bolster in both ends at middle part, and spout one has all been seted up to the inside both sides of fixed bolster, and the inside swing joint of spout one has pulley one, and pulley one is close to the inside one end fixedly connected with movable support of fixed bolster. This main shaft bearing structure for numerically control grinder, use through the cooperation of fixed block one with fixed block two, when the main shaft needs add man-hour, place the main shaft on the concave surface of rubber packing ring one at supporting seat one middle part, rotate supporting seat two, with the main shaft joint at the middle part of supporting seat one with supporting seat two, the rethread screw carries out fixed connection with fixed block one and fixed block two, with the main shaft joint on bearing structure, the processing of being convenient for, take off the screw again after the processing and can loosen the main shaft, thereby reached and be convenient for fixed and take out the effect of main shaft.

Description

Main shaft bearing structure for numerically-controlled grinder

Technical Field

The utility model relates to a main shaft bearing structure technical field specifically is a main shaft bearing structure for numerically control grinder.

Background

The numerically controlled grinder is a machine tool for grinding the surface of a workpiece by using a grinding tool, most grinders use a grinding wheel rotating at a high speed for grinding, and a few grinders use oilstones, abrasive belts and other grinding tools and free abrasives for processing, such as a honing machine, a superfinishing machine, an abrasive belt grinder, a polisher and the like, and is a numerically controlled flat grinder, a numerically controlled centerless grinder, a numerically controlled internal and external grinding machine, a numerically controlled vertical universal grinder, a numerically controlled coordinate grinder, a numerically controlled forming grinder and the like.

With the wide use of the numerically controlled grinder, when machining, the grinder clamps and fixes two ends of a workpiece for machining, most of the machined workpieces are small in diameter at two ends, and the workpiece is easily damaged when machining, so that supporting devices are arranged at two ends of the workpiece, but the supporting devices in the market at present are mainly integrated and cannot be adjusted, the distance between each workpiece and a machining table top is different, and the supporting heights are different, so that the requirement on the supporting devices with adjustable heights is urgent, and the main shaft supporting structure for the numerically controlled grinder is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a main shaft bearing structure for numerically control grinder possesses advantages such as can adjust from top to bottom, has solved the problem of unadjustable.

(II) technical scheme

In order to realize the purpose of adjusting up and down, the utility model provides a following technical scheme: a main shaft supporting structure for a numerical control grinding machine comprises a base, wherein two ends of the top end of the base, which are close to the middle part, are fixedly connected with fixed supports, two sides of the inner part of each fixed support are respectively provided with a first sliding groove, the inner part of each first sliding groove is movably connected with a first pulley, one end of each first pulley, which is close to the inner part of each fixed support, is fixedly connected with a movable support, the front side of each movable support is fixedly connected with a tooth rod, one side of each tooth rod, which is close to the middle part of the base, is engaged with a gear, the gear is fixedly provided with a motor through an output shaft, the bottom end of the motor is fixedly connected with a fixed seat fixedly connected with the fixed supports, the front back sides of the fixed supports are respectively provided with a second sliding groove, the inner part of each second sliding groove is movably connected with a, a second fixing hole is formed in the second fixing block, the first supporting seat is rotatably connected with the second supporting frame through a rivet, a second rubber gasket is fixedly connected to the middle of the second supporting frame, a first fixing block is fixedly connected to the right end of the second supporting seat, a first fixing hole is formed in the first fixing block, and the first fixing hole and the second fixing hole are penetrated through by a screw from top to bottom.

Preferably, the base is a cuboid, and the length of the base is four times of that of the fixing support.

Preferably, the length of the first sliding groove is smaller than that of the movable support, and the length of the first sliding groove is equal to that of the second sliding groove.

Preferably, the tooth rods are cylindrical, the number of the tooth rods is twelve, and the tooth rods are arranged on the front face of the movable support at equal intervals.

Preferably, the first pulley has two groups and is symmetrically distributed on two sides of the movable support, and the second pulley has two groups and is symmetrically distributed on the front back surface of the movable support.

Preferably, the middle part of the top of the first support frame is in a concave semicircular shape, and the middle part of the bottom of the second support frame is in a concave semicircular shape.

Preferably, the first rubber gasket is semicircular in shape, the outer diameter of the first rubber gasket is equal to the diameter of the first concave semicircle of the first support frame, and the second rubber gasket is semicircular in shape, the outer diameter of the second rubber gasket is equal to the diameter of the second concave semicircle of the second support frame.

(III) advantageous effects

Compared with the prior art, the utility model provides a main shaft bearing structure for numerically control grinder possesses following beneficial effect:

1. this main shaft bearing structure for numerically control grinder, use through the cooperation of fixed block one with fixed block two, when the main shaft needs add man-hour, place the main shaft on the concave surface of rubber packing ring one at supporting seat one middle part, rotate supporting seat two, with the main shaft joint at the middle part of supporting seat one with supporting seat two, the rethread screw carries out fixed connection with fixed block one and fixed block two, with the main shaft joint on bearing structure, the processing of being convenient for, take off the screw again after the processing and can loosen the main shaft, thereby reached and be convenient for fixed and take out the effect of main shaft.

2. This main shaft bearing structure for numerically control grinder uses through the cooperation of movable support and supporting seat one, when needs adjust bearing structure height, opens the motor, and the motor drives the gear and rotates, and the gear drives tooth pole and reciprocates, because tooth pole and movable support fixed connection, movable support and supporting seat fixed connection make support frame one reciprocate along with the movable support, so reached height-adjusting's effect.

Drawings

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

fig. 2 is a left side view of the structure of the present invention.

In the figure: the device comprises a base 1, a fixed support 2, a first sliding chute 3, a first pulley 4, a movable support 5, a tooth rod 6, a gear 7, a motor 8, a fixed seat 9, a second sliding chute 10, a second pulley 11, a first supporting seat 12, a first rubber gasket 13, a rivet 14, a second supporting seat 15, a second rubber gasket 16, a first fixed block 17, a first fixed hole 18, a screw 19, a second fixed hole 20 and a second fixed block 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a main shaft supporting structure for a numerically controlled grinder comprises a base 1, wherein the base 1 is a cuboid, the length of the base 1 is four times of the length of a fixed support 2, so that the base 1 is more stable, two ends of the top end of the base 1, which are close to the middle part, are fixedly connected with the fixed support 2, two sides of the inside of the fixed support 2 are respectively provided with a first sliding chute 3, the length of the first sliding chute 3 is smaller than that of a movable support 5, the length of the first sliding chute 3 is equal to that of a second sliding chute 10, the inside of the first sliding chute 3 is movably connected with a first pulley 4, the first pulleys 4 are provided with two groups and are symmetrically distributed on two sides of the movable support 5, the first pulley 4 mainly plays a role in supporting the movable support 5 and reducing friction force, one end of the first pulley 4, which is close to the inside of the fixed support 2, the front of the, the tooth rods 6 are cylindrical, the number of the tooth rods 6 is twelve, the tooth rods 6 are arranged on the front face of the movable support 5 at equal intervals, the number of the tooth rods 6 is large, the adjusting range can be increased, a gear 7 is meshed on one side, close to the middle part of the base 1, of the tooth rods 6, the gear 7 rotates to drive the tooth rods 6 to move up and down, the gear 7 is fixedly provided with a motor 8 through an output shaft, the model of the motor 8 is 5IK90A-CF, the number of poles is 4, the rated power is 90W, the rated voltage is 220V, the rated rotating speed is 5-450rpm, the bottom end of the motor 8 is fixedly connected with a fixed seat 9 fixedly connected with the fixed support 2, the front back face of the fixed support 2 is provided with two sliding grooves 10, the inner portions of the two sliding grooves 10 are movably connected with two pulleys 11 fixedly connected with the front face of the movable support 5, the two pulleys 11 are symmetrically distributed on the front back, the pulley II 11 mainly plays a role in supporting the movable support 5 and reducing friction force, a supporting seat I12 is fixedly connected to the top end of the movable support 5, the movable support 5 moves up and down to drive the supporting seat I12 to move up and down, the middle part of the top of the supporting seat I12 is in a concave semicircular shape, a rubber gasket I13 is fixedly connected to the middle part of the supporting seat I12, the rubber gasket I13 is in a semicircular shape, the outer diameter of the rubber gasket I13 is equal to the diameter of the concave semicircular shape of the supporting seat I12, a fixing block II 21 is fixedly connected to the right side of the supporting seat I12, a fixing hole II 20 is formed in the fixing block II 21, the supporting seat I12 is rotatably connected with the supporting seat II 15 through a rivet 14, the middle part of the bottom of the supporting seat II 15 is in a concave semicircular shape, and the middle part of the supporting seat II, the right end of the second supporting seat 15 is fixedly connected with a first fixing block 17, a first fixing hole 18 is formed in the first fixing block 17, and the first fixing hole 18 and the second fixing hole 20 are penetrated through by a screw 19 from top to bottom.

The working principle is as follows: the motor 8 is started, the motor 8 drives the gear 7 to rotate, the gear 7 drives the tooth rod 6 to move up and down, the movable support 5 also moves up and down due to the fact that the tooth rod 6 is fixedly connected with the movable support 5, the movable support 5 is fixedly connected with the first supporting seat 12, the first supporting seat 12 is made to move up and down along with the movable support 5, and therefore the purpose of adjusting the height is achieved.

In conclusion, this main shaft bearing structure for numerically control grinder, through the cooperation use of fixed block one 17 and fixed block two 21, when the main shaft needs to add man-hour, place the main shaft on the concave surface of rubber packing ring one 13 in the middle part of supporting seat one 12, rotate supporting seat two 15, with the middle part of main shaft joint at supporting seat one 12 and supporting seat two 15, rethread screw 19 carries out fixed connection with fixed block one 17 and fixed block two 21, with the main shaft joint on bearing structure, the processing of being convenient for, it can loosen the main shaft to take off screw 19 after the processing, thereby reached the effect of being convenient for fix and taking out the main shaft.

Through the cooperation use of movable support 5 and supporting seat 12, when needs adjust bearing structure height, open motor 8, motor 8 drives gear 7 and rotates, and gear 7 drives tooth pole 6 and reciprocates, because tooth pole 6 and movable support 5 fixed connection, movable support 5 and supporting seat 12 fixed connection make support frame 12 reciprocate along with movable support 5, so reached height-adjusting's effect.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a main shaft bearing structure for numerically control grinder, includes base (1), its characterized in that: the two ends of the top end of the base (1) close to the middle part are fixedly connected with a fixed support (2), two sides of the inner part of the fixed support (2) are respectively provided with a first sliding chute (3), the inner part of the first sliding chute (3) is movably connected with a first pulley (4), one end of the first pulley (4) close to the inner part of the fixed support (2) is fixedly connected with a movable support (5), the front surface of the movable support (5) is fixedly connected with a tooth rod (6), one side of the tooth rod (6) close to the middle part of the base (1) is meshed with a gear (7), the gear (7) is fixedly provided with a motor (8) through an output shaft, the bottom end of the motor (8) is fixedly connected with a fixed seat (9) fixedly connected with the fixed support (2), the front back surface of the fixed support (2) is respectively provided with a second sliding chute (10), the inner part of the second, the top fixedly connected with supporting seat (12) of movable support (5), the middle part fixedly connected with rubber packing ring (13) of supporting seat (12), the right side fixedly connected with fixed block two (21) of supporting seat one (12), fixed orifices two (20) have been seted up to the inside of fixed block two (21), supporting seat one (12) are rotated with supporting seat two (15) through rivet (14) and are connected, the middle part fixedly connected with rubber packing ring two (16) of supporting seat two (15), the right-hand member fixedly connected with fixed block one (17) of supporting seat two (15), fixed orifices one (18) have been seted up to the inside of fixed block one (17), and fixed orifices one (18) and fixed orifices two (20) are run through by top-down screw (19).

2. The spindle support structure for a numerically controlled grinding machine according to claim 1, characterized in that: the base (1) is a cuboid, and the length of the base (1) is twice that of the fixed support (2).

3. The spindle support structure for a numerically controlled grinding machine according to claim 1, characterized in that: the length of the first sliding groove (3) is smaller than that of the movable support (5), and the length of the first sliding groove (3) is equal to that of the second sliding groove (10).

4. The spindle support structure for a numerically controlled grinding machine according to claim 1, characterized in that: the tooth rods (6) are cylindrical, the number of the tooth rods (6) is twelve, and the tooth rods (6) are arranged on the front face of the movable support (5) at equal intervals.

5. The spindle support structure for a numerically controlled grinding machine according to claim 1, characterized in that: two groups of pulleys (4) are symmetrically distributed on two sides of the movable support (5), and two groups of pulleys (11) are symmetrically distributed on the front back surface of the movable support (5).

6. The spindle support structure for a numerically controlled grinding machine according to claim 1, characterized in that: the middle part of the top of the first supporting seat (12) is in a concave semicircular shape, and the middle part of the bottom of the second supporting seat (15) is in a concave semicircular shape.

7. The spindle support structure for a numerically controlled grinding machine according to claim 1, characterized in that: the shape of the first rubber gasket (13) is a semicircle, the outer diameter of the semicircle is equal to the diameter of the concave semicircle of the first support seat (12), and the shape of the second rubber gasket (16) is a semicircle, the outer diameter of the semicircle is equal to the diameter of the concave semicircle of the second support seat (15).