CN220029897U - Grinding tool convenient to hold - Google Patents

Abstract

A grinding tool convenient to hold belongs to the technical field of tool grinding. The upper end of the base is fixedly connected with the lower end of the counterweight sleeve, the upper end of the counterweight sleeve is fixedly connected with the end cover, the middle part of the upper end of the end cover is screwed with the press nail screw thread, the lower end of the press nail is matched with the upper end of the cushion block, and the cushion block is placed in the counterweight sleeve; the middle part of base is equipped with centering hole, and the outer wall of counter weight cover is equipped with a plurality of windows. The utility model realizes auxiliary grinding of parts which are smaller, inconsistent in grinding removal size and inconvenient to hold, reduces the grinding working intensity of operators under the condition of needing grinding to remove different margins, and improves the grinding quality of the workpiece surface.

Description

Grinding tool convenient to hold

Technical Field

The utility model relates to a grinding tool convenient to hold, and belongs to the technical field of tool grinding.

Background

Before assembly, the fuel oil main pipe needs to be subjected to planeness grinding on the end face so as to ensure that the end face meets the requirement of rigid sealing.

However, the fuel manifold is smaller and the end face to be ground is smaller, so that manual handheld grinding is performed nowadays. The long-time handheld grinding can not only lead the worker to be tired and easily abrade the finger of the worker, but also lead to uneven stress due to the fact that the situation that the middle of the end face is higher than the outer ring can not be guaranteed, so that the grinding quality can not be guaranteed, and the work of an operator is difficult.

Disclosure of Invention

In order to solve the problems in the background technology, the utility model provides a grinding tool convenient to hold.

The utility model adopts the following technical scheme: a grinding tool convenient to hold comprises a base, a counterweight sleeve, an end cover, a pressing nail and a cushion block; the upper end of the base is fixedly connected with the lower end of the counterweight sleeve, the upper end of the counterweight sleeve is fixedly connected with the end cover, the middle part of the upper end of the end cover is screwed with the press nail screw thread, the lower end of the press nail is matched with the upper end of the cushion block, and the cushion block is placed in the counterweight sleeve; the middle part of base is equipped with centering hole, and the outer wall of counter weight cover is equipped with a plurality of windows.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model realizes auxiliary grinding of parts which are smaller, inconsistent in grinding removal size and inconvenient to hold, reduces the grinding working intensity of operators under the condition of needing grinding to remove different margins, and improves the grinding quality of the workpiece surface.

Drawings

FIG. 1 is a top view of the present utility model;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a top view of the base;

FIG. 4 is a cross-sectional view of FIG. 3;

FIG. 5 is a top view of the weight sleeve;

FIG. 6 is a cross-sectional view of FIG. 5;

FIG. 7 is a top view of the end cap;

FIG. 8 is a cross-sectional view of FIG. 7;

FIG. 9 is a top view of the spacer;

FIG. 10 is a cross-sectional view of FIG. 9;

fig. 11 is a top view of the press stud.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are all within the protection scope of the present utility model.

A grinding tool convenient to hold is mainly applied to grinding end faces of single components. Comprises a base 1, a counterweight sleeve 2, an end cover 3, a press nail 4 and a cushion block 6; the base 1 material selection area HT20-40, gray cast iron material is more resistant to grinding, the thickness dimension of base 1 is graded simultaneously, the multiunit grading is carried out according to the grinding removal amount condition of different parts, each interstage is 0.01mm, the base 1 with high matching degree is selected by measuring the actual dimension from the surface to be ground of the part to the positioning surface before grinding, the situation that the grinding surface of the part with different dimensions is flush with or slightly lower than the grinding surface of the base 1 is fully guaranteed, the function of enlarging the grinding area of the part is realized, the problem that the middle high outer ring of the grinding surface is inevitably low during grinding is transferred to a grinding tool, and the grinding quality of products is fully guaranteed. The upper end of base 1 and the lower extreme fixed connection of counter weight cover 2, the upper end and the end cover 3 fixed connection of counter weight cover 2 specifically do: the upper surface of base 1 is equipped with a plurality of screw thread through-holes along its circumference equipartition, and the lower surface of counter weight cover 2 is equipped with a plurality of screw thread through-holes along its circumference equipartition, and the upper surface of counter weight cover 2 is equipped with a plurality of screw thread blind holes along its circumference equipartition, and the upper surface of end cover 3 is equipped with a plurality of screw thread through-holes along its circumference equipartition, and base 1 and counter weight cover 2 are through screw in corresponding screw thread through-hole one and screw 7 fixed connection in the screw thread through-hole two, and counter weight cover 2 and end cover 3 are through screw in corresponding screw thread through-hole three and screw 5 fixed connection in the screw thread blind hole. The counterweight sleeve 2 is in locking connection with the base 1 and the end cover 3, so that the structure is prevented from being scattered when the press nail 4 is tightly pressed; the middle part of the upper end of the end cover 3 is screwed with the press nail 4, the lower end of the press nail 4 is matched with the upper end of the cushion block 6, and the cushion block 6 is placed in the counterweight sleeve 2; the middle part of base 1 is equipped with centering hole 13, and the outer wall of counter weight cover 2 is equipped with a plurality of windows 10 along its circumference equipartition. The window 10 can be under the condition that frock overall structure does not dismantle, and quick convenient dismouting part 8 improves machining efficiency. The size of the window 10 is designed according to the size of the part 8 to be actually machined, and the part can be fully ensured to be installed into the counterweight sleeve 2 from the side window.

The middle part of base 1 upper end is equipped with the first 9 of assembly tang that an organic whole set up, the middle part of the first 9 of assembly tang is equipped with the through-hole with centering hole 13 intercommunication, the middle part of counter weight cover 2 lower extreme is equipped with the bayonet socket 14 that sets up with the first 9 of assembly tang cooperation, and base 1 and counter weight cover 2 are connected through the first 9 of assembly tang and bayonet socket 14 are predetermined location, with base 1 and counter weight cover 2 clearance fit's gap value be 0.01mm ~ 0.05mm.

The middle part of end cover 3 lower extreme is equipped with assembly tang second 15, assembly tang second 15 and the upper opening interference joint of counter weight cover 2, the interference is 0.01mm ~ 0.03mm.

The upper end and the lower end of the counterweight sleeve 2 are provided with inner diameters with tightened dimensions, so that the counterweight sleeve is convenient to be matched and connected with the structures of the rabbets of the base 1 and the end cover 3; the diameter of the counterweight sleeve 2 is as large as possible to facilitate the use of operators under the condition of meeting the requirement of part loading.

The upper end face of the end cover 3 is uniformly provided with a plurality of weight reducing holes 12 along the circumferential direction of the end cover, the weight reducing holes 12 are matched with windows on the side face of the counterweight sleeve 2 under the condition of reducing weight of the grinding clamp, the installation condition of parts is more convenient to observe, the parts are guaranteed to be installed in place, the outward feeding sizes of the base 1, the counterweight sleeve 2 and the end cover 3 are consistent, and the size which is convenient for an operator to hold the operation by one hand is designed as much as possible under the condition of part installation.

The material of cushion 6 is aluminum alloy, is difficult for the scratch of pressing and is contacted part surface, and the reservation of cushion 6 up end is than the reservation of pressing nail diameter bit hole, and the lower terminal surface designs according to the actual shape of part junction surface, fully guarantees that the pressing nail 4 is tight power down can vertically downwards act on the part, has avoided pressing nail 4 to cause the condition of top to hinder to the part upper surface completely when pressing tightly.

The method for using the grinding tool convenient to hold comprises the following steps:

s1: the end cover 3 and the counterweight sleeve 2 are assembled in an interference manner through an assembling spigot II 15 on the end cover 3, and are locked and connected by a screw II 5, so that the counterweight sleeve is stable and does not fall off;

s2: screwing the press nail 4 into the threaded connection hole in the middle of the end cover 3 until the front end of the press nail 4 stretches into the counterweight sleeve 2;

s3: the base 1 and the counterweight sleeve 2 are in clearance fit through the first assembling spigot 9 and are locked and connected by the first screw 7, so that the stability is ensured and the counterweight sleeve is not fallen off;

s4: the part 8 is placed into the counterweight sleeve 2 through a window 10 at the side of the counterweight sleeve 2 and is arranged above a centering hole 13 of the base 1;

s5: placing the cushion block 6 on the upper end surface of the part 8, then continuing to screw in the pressing nail 4 until the pressing nail 4 is propped against a preset positioning hole on the upper surface of the cushion block 6, stopping screwing after the part 8 is firmly and fixedly pressed by the propping force, and starting the grinding work;

s6: after finishing grinding, the press nail 4 is screwed out, the cushion block 6 is taken down, the part 8 is taken out from the window 10 on the side face of the balancing weight 2, and the grinding work of the part is finished.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (5)

1. Grinding frock convenient to it is handheld, its characterized in that: comprises a base (1), a counterweight sleeve (2), an end cover (3), a press nail (4) and a cushion block (6); the upper end of the base (1) is fixedly connected with the lower end of the counterweight sleeve (2), the upper end of the counterweight sleeve (2) is fixedly connected with the end cover (3), the middle part of the upper end of the end cover (3) is screwed with the pressing nail (4) through threads, the lower end of the pressing nail (4) is matched with the upper end of the cushion block (6), and the cushion block (6) is placed in the counterweight sleeve (2); the middle part of base (1) is equipped with centering hole (13), and the outer wall of counter weight cover (2) is equipped with a plurality of windows (10).

2. The grinding tool convenient to hold according to claim 1, wherein: the middle part of base (1) upper end is equipped with the first (9) of assembly tang that an organic whole set up, the middle part of first (9) of assembly tang is equipped with the through-hole with centering hole (13) intercommunication, the middle part of counter weight cover (2) lower extreme is equipped with bayonet socket (14) that set up with first (9) cooperation of assembly tang.

3. The grinding tool convenient to hold according to claim 1 or 2, wherein: the middle part of end cover (3) lower extreme is equipped with assembly tang second (15), assembly tang second (15) and the upper shed interference joint of counter weight cover (2).

4. A grinding tool convenient to hold according to claim 3, wherein: the upper end face of the end cover (3) is provided with a plurality of lightening holes (12).

5. The grinding tool convenient to hold according to claim 2 or 4, wherein: the cushion block (6) is made of aluminum alloy.