CN210281656U - Inner circle grinding tool - Google Patents

Abstract

The utility model discloses an interior round grinding apparatus, which comprises a main shaft, the urceolus has been cup jointed to the outer wall of main shaft, the urceolus passes through the bearing and rotates with the main shaft and links to each other, the grinding wheel axle has been inserted in the left side of urceolus, the grinding wheel axle runs through the urceolus and links to each other with the main shaft screw thread, grinding wheel axle and urceolus clearance fit, the left side rigid coupling of grinding wheel axle has the emery wheel. This interior grinding apparatus, through the main shaft, the mill shaft, lead to the groove, the spin, branch, the sloping block, the fixture block, and the cooperation between the circular slot, clockwise rotation along with the mill shaft, can make fixture block and circular slot looks joint, increase mill shaft stability in the use that can be great, through the urceolus, the semicircular shell, the barb, the cooperation between card ball and the draw-in groove, the barb can be adsorbed to most thin cutting of the inside that enters into the semicircular shell, the inside probability of urceolus is got into to reduction thin cutting that can be great, can play better safeguard effect to interior grinding apparatus.

Description

Inner circle grinding tool

Technical Field

The utility model relates to an internal grinding machine part technical field specifically is an internal grinding apparatus.

Background

The internal grinding machine is divided into a common internal grinding machine and a universal internal grinding machine, wherein the universal internal grinding machine is the most widely applied grinding machine, the internal grinding machine can grind the internal cylindrical surface, the internal conical surface, the step shaft end surface and the like of various shaft and sleeve workpieces, the main part of the grinding machine is a bed body, the bed body is a basic supporting piece of the grinding machine, and parts such as a grinding carriage, a workbench, a headstock, a tailstock, a transverse sliding saddle and the like are arranged on the bed body, the internal grinding machine is used for supporting a grinding wheel spindle for grinding an inner hole, and the internal grinding machine spindle is driven by a single motor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an interior grinding apparatus to solve the current interior grinding apparatus that proposes in the above-mentioned background art at the in-process that uses, the stability performance between interior grinding apparatus and the emery wheel axle is general, and the thin cutting that produces after polishing enters into the inside of interior grinding apparatus easily, influences the normal use of interior grinding apparatus, to the not enough problem of barrier properties of interior grinding apparatus.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an internal grinding tool, includes the main shaft, the outer wall of main shaft has cup jointed the urceolus, the urceolus passes through the bearing and rotates with the main shaft and link to each other, the emery wheel axle has been inserted in the left side of urceolus, the emery wheel axle runs through the urceolus and links to each other with the main shaft screw thread, emery wheel axle and urceolus clearance fit, the left side rigid coupling of emery wheel axle has the emery wheel, the right side of emery wheel axle is equipped with strengthening mechanism, the outer wall of emery wheel axle is equipped with the protective housing, the right side rigid coupling of main shaft has the shaft.

Preferably, strengthening the mechanism including leading to groove, sloping block and circular slot, lead to the groove and offer the right side at the mill shaft, the inside slip joint who leads to the groove has the spin, the right side rigid coupling of spin has branch, the right side rigid coupling of branch has the sloping block, the right surface rigid coupling of sloping block has compression spring, compression spring's right side rigid coupling has the gasket, the gasket links to each other with the main shaft is fixed, the inner wall at the urceolus is offered to the circular slot, the upper and lower both ends of sloping block have all laminated the fixture block, the fixture block runs through the main shaft through the round hole, the fixture block links to each other with the circular slot joint, the spout has all been opened to the inner wall left and right sides of round hole, the inside slip joint of spout has the slider, the lower surface rigid coupling of slider has extension spring, extension spring's bottom is fixed with.

Preferably, the sliding groove and the sliding block form a sliding structure.

Preferably, the two clamping blocks are symmetrical left and right relative to the center point of the inclined block.

Preferably, the distance between the outer wall of the supporting rod and the inner wall of the through groove is 0.3-0.5 mm.

Preferably, the protective shell comprises a semicircular shell, a clamping groove, a clamping ball and a barb, the semicircular shell is sleeved on the outer wall of the grinding wheel shaft, the semicircular shell is in clearance fit with the grinding wheel shaft, the barb is fixedly connected to the upper end and the lower end of the inner part of the semicircular shell, the clamping groove is formed in the left side surface of the outer barrel, the clamping ball is clamped in the clamping groove, and the clamping ball is fixedly connected with the semicircular shell.

Compared with the prior art, the beneficial effects of the utility model are that: this interior round grinding apparatus, in the use, through the main shaft, the mill shaft, lead to the groove, the spin, branch, the sloping block, the fixture block, and the cooperation between the circular slot, clockwise rotation along with the mill shaft, can make fixture block and circular slot looks joint, increase mill shaft stability in the use that can be great, through the urceolus, the semicircular shell, the barb, the cooperation between card ball and the draw-in groove, in-process that the grinding apparatus used, the thin cutting that the process of polishing produced when entering into the inside of semicircular shell, the barb can adsorb the most thin cutting of the inside that enters into the semicircular shell, reduction thin cutting that can be great enters into the inside probability of urceolus, can play better safeguard effect to interior round grinding apparatus.

Drawings

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

FIG. 2 is a schematic view showing a coupling structure of the spindle, the grinding wheel shaft and the compression spring of FIG. 1;

FIG. 3 is a schematic view of a connection structure of the swash block, the clamping block and the extension spring in FIG. 1;

fig. 4 is a schematic view of a connection structure of the outer cylinder, the semicircular shell and the barb of fig. 1.

In the figure: 1. the grinding wheel comprises a main shaft, 2, an outer cylinder, 3, a bearing, 4, a grinding wheel shaft, 5, a grinding wheel, 6, a reinforcing mechanism, 601, a through groove, 602, a rolling ball, 603, a support rod, 604, an inclined block, 605, a compression spring, 606, a gasket, 607, a circular groove, 608, a clamping block, 609, a circular hole, 610, a sliding groove, 611, a sliding block, 612, an extension spring, 7, a protective shell, 701, a semicircular shell, 702, a clamping groove, 703, a clamping ball, 704, a barb, 8, a coupler, 9 and a rotating rod.

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: an internal grinding tool comprises a main shaft 1, an outer barrel 2 is sleeved on the outer wall of the main shaft 1, the outer barrel 2 is rotatably connected with the main shaft 1 through a bearing 3, the outer ring of the bearing 3 is fixedly connected with the outer barrel 2, the inner ring of the bearing 3 is fixedly connected with the main shaft 1, a grinding wheel shaft 4 is inserted into the left side of the outer barrel 2, the grinding wheel shaft 4 penetrates through the outer barrel 2 to be in threaded connection with the main shaft 1, the grinding wheel shaft 4 is in clearance fit with the outer barrel 2, a grinding wheel 5 is fixedly connected to the left side of the grinding wheel shaft 4, a reinforcing mechanism 6 is arranged on the right side of the grinding wheel shaft 4, a protective shell 7 is arranged on the outer wall of the grinding wheel shaft 4, a coupler 8 is fixedly connected to the right side of the coupler 8, a rotating rod 9 is fixedly connected to the right side of the coupler 8, the rotating rod 9 is an output shaft of a grinding machine motor, the reinforcing mechanism 6 comprises a through groove 601, a support rod 603 is fixedly connected to the right side of the rolling ball 602, an inclined block 604 is fixedly connected to the right side of the support rod 603, a compression spring 605 is fixedly connected to the right surface of the inclined block 604, the coefficient of the compression spring 605 is 5N/CM, a gasket 606 is fixedly connected to the right side of the compression spring 605, the gasket 606 is fixedly connected to the spindle 1, a circular groove 607 is formed in the inner wall of the outer cylinder 2, clamping blocks 608 are respectively attached to the upper end and the lower end of the inclined block 604, the clamping blocks 608 penetrate through the spindle 1 through a circular hole 609, the clamping blocks 608 are in clearance fit with the circular hole 609, the clamping blocks 608 are connected to the circular groove 607 in a clamping manner, sliding grooves 610 are formed in the left side and the right side of the inner wall of the circular hole 609, sliding blocks 611 are connected to the inner portion of the sliding grooves 610 in a clamping manner, an extension spring 612 is fixedly connected to the lower surface of the sliding blocks 611, the coefficient of the extension spring, the sliding block 611 can slide up and down in the sliding groove 610, the two clamping blocks 608 are bilaterally symmetrical relative to the central point of the oblique block 604, the acting force of the two clamping blocks 608 on the oblique block 604 is the same, the distance between the outer wall of the support rod 603 and the inner wall of the through groove 601 is 0.3-0.5mm, the grinding wheel shaft 4 can be ensured to rotate, the protective shell 7 comprises a semicircular shell 701, a clamping groove 702, a clamping ball 703 and a barb 704, the semicircular shell 701 is sleeved on the outer wall of the grinding wheel shaft 4, the semicircular shell 701 is in clearance fit with the grinding wheel shaft 4, the barb 704 is fixedly connected to the upper end and the lower end of the inner portion of the semicircular shell 701, the barb 704 is made of main materials of ABS and plastic, the surface has strong adhesion, the clamping groove 704 is formed in the left side surface of the outer barrel 2, the clamping ball 703 is clamped in the inner portion of.

When the internal grinding tool is used, firstly, the spindle 1 is connected with the motor rotating rod 9 through the coupler 8, then the inside of the through groove 601 at the right side of the grinding wheel shaft 4 is sleeved outside the rolling ball 602, then the grinding wheel shaft 4 is pushed to the right side and simultaneously rotates clockwise, the grinding wheel shaft 4 penetrates through the semicircular shell 701 and the outer cylinder 2 to be in threaded connection with the spindle 1, the grinding wheel shaft 4, the rolling ball 602, the support rod 603 and the inclined block 604 can simultaneously move towards the right side in the clockwise rotation process of the grinding wheel shaft 4, the compression spring 605 can be compressed, the inclined block 604 can extrude the two fixture blocks 608, so that the two fixture blocks 608 can both move towards the outside, in the process that the fixture blocks 608 move towards the outside, the sliding block 611 can slide towards the outside in the inside of the sliding groove 610, the stability in the moving process of the fixture blocks 608 can be increased, and the fixture blocks 608 can be clamped, and then accomplished the installation to emery wheel 5, the stability of increase emery wheel axle 4 in the use that can be great, and at the in-process that the emery wheel used, once the thin cutting that the process of polishing produced enters into the inside of semicircle shell 701, barb 704 can adsorb the most thin cutting that enters into the inside of semicircle shell 701, and reduction thin cutting that can be great enters into the inside probability of urceolus 2, can play better protective effect to interior grinding apparatus.

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. An internal grinding tool comprising a spindle (1), characterized in that: the outer wall of main shaft (1) has cup jointed urceolus (2), urceolus (2) rotate with main shaft (1) through bearing (3) and link to each other, mill wheel axle (4) have been inserted in the left side of urceolus (2), mill wheel axle (4) run through urceolus (2) and link to each other with main shaft (1) screw thread, mill wheel axle (4) and urceolus (2) clearance fit, the left side rigid coupling of mill wheel axle (4) has emery wheel (5), the right side of mill wheel axle (4) is equipped with strengthening mechanism (6), the outer wall of mill wheel axle (4) is equipped with protecting crust (7), the right side rigid coupling of main shaft (1) has shaft coupling (8), the right side rigid coupling of shaft coupling (8) has bull stick (9).

2. The internal grinding tool of claim 1, wherein: the reinforcing mechanism (6) comprises a through groove (601), an inclined block (604) and a circular groove (607), the through groove (601) is arranged on the right side of the grinding wheel shaft (4), a rolling ball (602) is slidably clamped in the through groove (601), a supporting rod (603) is fixedly connected to the right side of the rolling ball (602), the inclined block (604) is fixedly connected to the right side of the supporting rod (603), a compression spring (605) is fixedly connected to the right surface of the inclined block (604), a gasket (606) is fixedly connected to the right side of the compression spring (605), the gasket (606) is fixedly connected with the main shaft (1), the circular groove (607) is arranged on the inner wall of the outer cylinder (2), clamping blocks (608) are attached to the upper end and the lower end of the inclined block (604), the clamping blocks (608) penetrate through the main shaft (1) through a circular hole (609), the clamping blocks (608) are connected with the circular groove (607) in a clamping manner, sliding grooves (610) are formed in the left, the inside slip joint of spout (610) has slider (611), the lower surface rigid coupling of slider (611) has extension spring (612), the bottom of extension spring (612) is fixed with the inside bottom of spout (610) and is connected.

3. The internal grinding tool of claim 2, wherein: the sliding groove (610) and the sliding block (611) form a sliding structure.

4. The internal grinding tool of claim 2, wherein: the two clamping blocks (608) are symmetrical left and right relative to the center point of the inclined block (604).

5. The internal grinding tool of claim 2, wherein: the distance between the outer wall of the support rod (603) and the inner wall of the through groove (601) is 0.3-0.5 mm.

6. The internal grinding tool of claim 1, wherein: the protective shell (7) comprises a semicircular shell (701), a clamping groove (702), a clamping ball (703) and a barb (704), the semicircular shell (701) is sleeved on the outer wall of the grinding wheel shaft (4), the semicircular shell (701) is in clearance fit with the grinding wheel shaft (4), the barb (704) is fixedly connected to the upper end and the lower end of the inner portion of the semicircular shell (701), the clamping groove (702) is formed in the left side surface of the outer barrel (2), the clamping ball (703) is clamped in the inner portion of the clamping groove (702), and the clamping ball (703) is fixedly connected with the semicircular shell (701).

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