CN213257140U - Main shaft fixing block - Google Patents

Abstract

The utility model discloses a spindle fixing block, which comprises a fixing block, fastening device is pressed to the top of fixed block, the right side outer wall of bolt and the inner wall threaded connection of screw hole, the top inner wall at the fixed block is seted up to the screw hole, the left side outer wall clearance fit of bolt is fluted, the top left side inner wall at the fixed block is seted up to the recess, the hexagonal commentaries on classics hole has been seted up in the middle of the left side of bolt. This main shaft fixed block rotates the hexagonal commentaries on classics hole through external hexagonal spanner and can make the bolt rotate, and the screw hole internal rotation of bolt on the fixed block makes the fixed block realize the elasticity, and the recess internal rotation of bolt on the fixed block, and can make the bolt bury inside the fixed block, avoid the bolt to expose in the outside, accidentally injure the workman, solved current main shaft fixed block and after rotating fixedly through the bolt, often the head of bolt exposes at the external surface, can scratch staff's problem at the during operation bolt head.

Description

Main shaft fixing block

Technical Field

The utility model relates to a spindle fixing block technical field specifically is a spindle fixing block.

Background

The main shaft is a new technology which integrates a machine tool main shaft and a main shaft motor into a whole and appears in the field of numerical control machines in recent years, and together with a linear motor technology and a high-speed cutter technology, the high-speed machining is pushed to a new era, the main shaft needs to be installed in a fixing block to realize rotation, but after the existing main shaft fixing block is fixed through a bolt in a rotating mode, the head of the bolt is often exposed on the outer surface, workers can be scratched by the bolt head during working, and meanwhile, the problem that when the existing main shaft fixing block is fixed through installation of the main shaft, the main shaft cannot be positioned and installed, so that the main shaft installation is deviated, and the machining precision.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spindle fixing block to the current spindle fixing block who proposes in solving above-mentioned background art is rotating fixed back through the bolt, and the head of often bolt exposes at the surface, can scratch staff's problem at the during operation bolt head.

In order to achieve the above object, the utility model provides a following technical scheme: a main shaft fixing block comprises a fixing block, wherein a fastening mechanism is arranged above the fixing block;

the fastening mechanism comprises a bolt, a threaded hole, a groove and a hexagonal rotary hole;

the right side outer wall of bolt and the inner wall threaded connection of screw hole, the top inner wall at the fixed block is seted up to the screw hole, the left side outer wall clearance fit of bolt is fluted, the top left side inner wall at the fixed block is seted up to the recess, hexagonal commentaries on classics hole has been seted up in the middle of the left side of bolt.

Preferably, the equal rigid coupling in both ends has the crosspiece about the below of fixed block, the mounting hole has all been seted up to the outside inner wall of crosspiece.

Preferably, a positioning mechanism is arranged in the middle of the fixing block;

the positioning mechanism comprises a main shaft, a bearing, a first clamping block, a first clamping groove, a vertical block, a second clamping groove, a second clamping block, a jacking block, a spring and a slot;

the outer wall rigid coupling of main shaft has the bearing, the left side top outer wall rigid coupling of bearing has first fixture block, the outer wall of first fixture block and the internal surface clearance fit of first draw-in groove, the middle inner wall at riser is seted up to first draw-in groove, the left side rigid coupling of riser is at the left side top inner wall of fixed block, the second draw-in groove has been seted up to the top of first fixture block, the internal surface joint of second draw-in groove has the second fixture block, the top rigid coupling of second fixture block has the kicking block, the top rigid coupling of kicking block has the spring, the top rigid coupling of spring is at grooved top internal surface, the top right side inner wall at riser is seted up in the fluting.

Preferably, the first fixture blocks are distributed at sixty degrees between every two fixture blocks.

Preferably, the gap distance between the first clamping block and the first clamping groove is 0.1-0.2 mm.

Preferably, the second clamping groove, the second clamping block, the jacking block, the spring and the slot are symmetrically distributed up and down with the center line of the first clamping block as the center.

Compared with the prior art, the beneficial effects of the utility model are that: compared with the prior art, the main shaft fixing block has the following advantages:

through the fixed block, the bolt, the screw hole, the cooperation between recess and the hexagonal commentaries on classics hole, it can make the bolt rotate to rotate the hexagonal commentaries on classics hole through external hexagonal spanner, the screw hole internal rotation of bolt on the fixed block makes the fixed block realize the elasticity, the recess internal rotation of bolt on the fixed block, and can make the bolt bury inside the fixed block, avoid the bolt to expose in the outside, the accidental injury workman, current main shaft fixed block has been solved and after passing through bolt rotation is fixed, often the head of bolt exposes at the surface, can scratch staff's problem at the during operation bolt head.

The fixing blocks can be installed and fixed on an external frame through the cooperation between the fixing blocks, the main shaft, the bearing, the first clamping blocks, the first clamping grooves, the vertical blocks, the second clamping grooves, the second clamping blocks, the jacking blocks, the springs and the slots, the fixing blocks can be installed and fixed on the external frame through the mounting holes of the horizontal blocks on two sides respectively, five first clamping blocks on the bearing are manually clamped in the first clamping grooves of the five vertical blocks on the fixing blocks respectively, so that the main shaft in the bearing is installed in the fixing blocks, the second clamping blocks can provide outward force for the springs through the jacking blocks, otherwise, the second clamping blocks can be reset through the elasticity of the springs, the second clamping blocks are clamped in the second clamping grooves on the first clamping blocks, so that the main shaft in the bearing is installed and positioned, the main shaft installation deviation is avoided, the machining precision of the main shaft to a workpiece is ensured, the problem that the main shaft cannot be positioned, the machining precision of the workpiece is influenced.

Drawings

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

FIG. 2 is a schematic structural diagram of the bearing, the first fixture block and the vertical block in FIG. 1;

FIG. 3 is a schematic structural view of a second locking block, a top block and a spring in FIG. 1;

fig. 4 is a schematic structural view of the bolt, the threaded hole and the fixing block in fig. 1.

In the figure: 1. the fixed block, 2, horizontal piece, 3, mounting hole, 4, fastening device, 401, bolt, 402, screw hole, 403, recess, 404, hexagonal commentaries on classics hole, 5, positioning mechanism, 501, main shaft, 502, bearing, 503, first fixture block, 504, first draw-in groove, 505, riser, 506, second draw-in groove, 507, second fixture block, 508, kicking block, 509, spring, 510, fluting.

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. 1-4, the present invention provides a technical solution: the utility model provides a main shaft fixed block, including fixed block 1, fastening device 4 is ann to be had in the top of fixed block 1, fastening device 4 includes bolt 401, screw hole 402, recess 403 and hexagonal commentaries on classics hole 404, the right side outer wall of bolt 401 and the inner wall threaded connection of screw hole 402, screw hole 402 is seted up at the top inner wall of fixed block 1, bolt 401 makes fixed block 1 realize the elasticity in the screw hole 402 internal rotation on fixed block 1, bolt 401's left side outer wall clearance fit is fluted 403, recess 403 is seted up at the top left side inner wall of fixed block 1, bolt 401 is at the recess 403 internal rotation on fixed block 1, and can make bolt 401 bury inside fixed block 1, avoid the bolt to expose in the outside, the accidental injury workman, hexagonal commentaries on classics hole 404 has been seted up in the middle of bolt 401's left side, it can.

The equal rigid coupling in both ends has horizontal piece 2 about the below of fixed block 1, and mounting hole 3 has all been seted up to the outside inner wall of horizontal piece 2, and the horizontal piece 2 of both sides can make fixed block 1 installation fix in external frame through mounting hole 3 respectively.

A positioning mechanism 5 is installed in the middle of the fixed block 1, the positioning mechanism 5 comprises a main shaft 501, a bearing 502, a first fixture block 503, a first fixture groove 504, a vertical block 505, a second fixture groove 506, a second fixture block 507, a top block 508, a spring 509 and a slot 510, the outer wall of the main shaft 501 is fixedly connected with the bearing 502, the main shaft 501 rotates in the bearing 502, the outer wall of the upper left side of the bearing 502 is fixedly connected with the first fixture block 503, the outer wall of the first fixture block 503 is in clearance fit with the inner surface of the first fixture groove 504, the first fixture groove 504 is arranged on the middle inner wall of the vertical block 505, the left side of the vertical block 505 is fixedly connected with the upper left side inner wall of the fixed block 1, five first fixture blocks 503 on the bearing 502 are respectively clamped in the first fixture grooves 504 on the five vertical blocks 505 on the fixed block 1, so that the main shaft 501 in the bearing 502 is installed in the fixed block 1, the second fixture, the second fixture block 507 is clamped in the second clamping groove 506 on the first fixture block 503 to enable the main shaft 501 in the bearing 502 to be installed and positioned, so that installation deviation of the main shaft 501 is avoided, the top end of the second fixture block 507 is fixedly connected with an ejector block 508, the top end of the ejector block 508 is fixedly connected with a spring 509, the second fixture block 507 can apply outward force to the spring 509 through the ejector block 508, otherwise, the second fixture block 507 can be reset through elasticity of the spring 509, the top end of the spring 509 is fixedly connected to the upper inner surface of the groove 510, the groove 510 is formed in the upper right inner wall of the vertical block 505, the first fixture blocks 503 are distributed in a sixty-degree manner in pairs, holding force on the bearing 502 when the fixing block 1 is tightened can be equal, a gap distance between the first fixture block 503 and the first clamping groove 504 is 0.1-0.2mm, the main shaft 501 in the bearing 502 is stably installed, the second fixture block 507, the ejector block 508, the spring 509 and the groove 510 are symmetrically distributed up and down with the center line of the first fixture, the main shaft 501 in the bearing 502 is positioned stably.

When the spindle fixing block is used, firstly, the transverse blocks 2 on two sides can be manually and respectively fixed on an external rack through the mounting holes 3, the five first fixture blocks 503 on the bearing 502 are manually and respectively clamped in the first clamping grooves 504 on the five vertical blocks 505 on the fixing block 1, so that the spindle 1 in the bearing 502 is mounted in the fixing block 1, the second fixture block 507 gives an outward force to the spring 509 through the jacking block 508, on the contrary, the second fixture block 507 can be reset through the elasticity of the spring 509, the second fixture block 507 is clamped in the second clamping grooves 506 on the first fixture blocks 503, so that the spindle 501 in the bearing 502 is mounted and positioned, the mounting deviation of the spindle 501 is avoided, the bolt 401 can be rotated by manually rotating the hexagonal rotating hole 404 through an external hexagonal wrench, the bolt 401 rotates in the threaded hole 402 on the fixing block 1, so that the fixing block 1 tightly holds the bearing 502 to mount the spindle 501, the bolt 401 rotates in the groove 403 on the fixing block 1, and the bolt 401 can be buried in the fixing block 1, so that the bolt is prevented from being exposed outside and accidentally injuring workers.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 (6)

1. The utility model provides a main shaft fixed block, includes fixed block (1), its characterized in that: a fastening mechanism (4) is arranged above the fixed block (1);

the fastening mechanism (4) comprises a bolt (401), a threaded hole (402), a groove (403) and a hexagonal rotary hole (404);

the right side outer wall of bolt (401) and the inner wall threaded connection of screw hole (402), the top inner wall at fixed block (1) is seted up in screw hole (402), the left side outer wall clearance fit of bolt (401) is fluted (403), the top left side inner wall at fixed block (1) is seted up in recess (403), hexagonal commentaries on classics hole (404) have been seted up in the middle of the left side of bolt (401).

2. The spindle fixing block according to claim 1, wherein: the equal rigid coupling in both ends has horizontal piece (2) about the below of fixed block (1), mounting hole (3) have all been seted up to the outside inner wall of horizontal piece (2).

3. The spindle fixing block according to claim 1, wherein: a positioning mechanism (5) is arranged in the middle of the fixed block (1);

the positioning mechanism (5) comprises a main shaft (501), a bearing (502), a first clamping block (503), a first clamping groove (504), a vertical block (505), a second clamping groove (506), a second clamping block (507), a top block (508), a spring (509) and a slot (510);

a bearing (502) is fixedly connected with the outer wall of the main shaft (501), a first clamping block (503) is fixedly connected with the outer wall of the upper left side of the bearing (502), the outer wall of the first clamping block (503) is in clearance fit with the inner surface of the first clamping groove (504), the first clamping groove (504) is arranged on the middle inner wall of the vertical block (505), the left side of the vertical block (505) is fixedly connected with the upper inner wall of the left side of the fixed block (1), a second clamping groove (506) is formed above the first clamping block (503), a second clamping block (507) is clamped on the inner surface of the second clamping groove (506), the top end of the second fixture block (507) is fixedly connected with a top block (508), the top end of the top block (508) is fixedly connected with a spring (509), the top end of the spring (509) is fixedly connected to the upper inner surface of the groove (510), and the groove (510) is formed in the upper right inner wall of the vertical block (505).

4. A spindle fixing block according to claim 3, wherein: the first clamping blocks (503) are distributed in sixty degrees between every two clamping blocks.

5. A spindle fixing block according to claim 3, wherein: the clearance distance between the first clamping block (503) and the first clamping groove (504) is 0.1-0.2 mm.

6. A spindle fixing block according to claim 3, wherein: the second clamping groove (506), the second clamping block (507), the top block (508), the spring (509) and the groove (510) are symmetrically distributed up and down with the center line of the first clamping block (503) as the center.

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