CN215035416U

CN215035416U - Steel bushing jig

Info

Publication number: CN215035416U
Application number: CN202121115898.9U
Authority: CN
Inventors: 李育民; 汪剑东
Original assignee: Guangdong Weilv Aluminium Industry Co ltd
Current assignee: Guangdong Weilv Aluminium Industry Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2021-12-07
Anticipated expiration: 2031-05-21

Abstract

The utility model discloses a steel bushing tool, including the sleeve, the sleeve has elasticity, and the appearance of telescopic inner chamber and work piece matches, and telescopic one end is provided with a plurality of first elasticity relief grooves of arranging along the axial direction, and the other end is provided with a plurality of second elasticity relief grooves of arranging along the axial direction, and first elasticity relief groove interval sets up, and second elasticity relief groove interval sets up, and first elasticity relief groove and second elasticity relief groove arrange along telescopic circumference direction in turn. The utility model discloses can the suit in the work piece, can prevent that the work piece from being crushed or the fish tail to prevent that the work piece from taking place to warp.

Description

Steel bushing jig

Technical Field

The utility model belongs to the technical field of the tool technique and specifically relates to a steel bushing tool is related to.

Background

When a workpiece is machined on a machine tool, in order to enable the workpiece to meet the technical requirements of size, geometric shape, machining precision and the like specified by a drawing, the workpiece needs to be clamped by a clamp before machining so as to be accurately positioned and stably kept; however, when the clamp clamps the workpiece, the residual chips on the clamp are easy to crush or scratch the workpiece, and a certain potential safety hazard exists when the clamp is directly cleaned on a machine tool.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a steel bushing tool can the suit in the work piece, can prevent that the work piece from being crushed or the fish tail to prevent that the work piece from taking place to warp.

According to the utility model discloses steel bushing tool, include: the sleeve is elastic, the inner cavity of the sleeve is matched with the appearance of a workpiece, one end of the sleeve is provided with a plurality of first elastic releasing grooves arranged along the axial direction, the other end of the sleeve is provided with a plurality of second elastic releasing grooves arranged along the axial direction, the first elastic releasing grooves are arranged at intervals, the second elastic releasing grooves are arranged at intervals, and the first elastic releasing grooves and the second elastic releasing grooves are alternately arranged along the circumferential direction of the sleeve.

The technical scheme at least has the following beneficial effects: through set up first elasticity release groove and second elasticity release groove that opening direction is opposite on having elastic sleeve, and first elasticity release groove and second elasticity release groove arrange in turn, therefore, can open the sleeve and tightly overlap in the work piece, when needing centre gripping work piece, anchor clamps pass through the indirect centre gripping work piece of sleeve, piece crushing or the fish tail work piece on can avoiding anchor clamps, and the sleeve can be followed the work piece and dismantled, so that wash, simultaneously, anchor clamps pass through the sleeve with the centre gripping effort and act on the work piece, the work piece atress is even, non-deformable, effectively reduce the defective rate of product.

According to some embodiments of the invention, the number of the first elastic force releasing grooves is equal to the number of the second elastic force releasing grooves.

According to some embodiments of the invention, the groove width of the first spring force relief groove is equal to the groove width of the second spring force relief groove.

According to some embodiments of the present invention, the groove width of the first elastic force releasing groove and the groove width of the second elastic force releasing groove are all set to be 1-2 mm.

According to some embodiments of the present invention, the first elastic force releasing groove is equal to any adjacent distance between the second elastic force releasing grooves, and the second elastic force releasing groove is equal to any adjacent distance between the first elastic force releasing grooves.

According to some embodiments of the present invention, the distance between the first elastic force releasing groove and the second elastic force releasing groove is set to 15 to 25 mm.

According to some embodiments of the present invention, the length of the first elastic force relief groove and the length of the second elastic force relief groove are not less than half of the length of the sleeve.

According to the utility model discloses a some embodiments, the tank bottom of first elasticity release groove is provided with first anti-crack groove, the groove width in first anti-crack groove is greater than the groove width in first elasticity release groove, the tank bottom of second elasticity release groove is provided with second anti-crack groove, the groove width in second anti-crack groove is greater than the groove width in second elasticity release groove.

According to some embodiments of the invention, the sleeve is circular in cross-section.

According to some embodiments of the present invention, the sleeve is provided with a guide portion at both ends, the guide portion is located in the sleeve.

According to some embodiments of the present invention, the sleeve is made of spring steel.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a sleeve according to an embodiment of the present invention;

FIG. 2 is a front cross-sectional view of a sleeve according to an embodiment of the present invention;

FIG. 3 is an enlarged view of A in FIG. 2;

fig. 4 is a top view of the middle sleeve of the present invention.

Reference numerals:

a sleeve 100; an inner cavity 110; a first elastic force relief groove 120; a first anti-crack groove 121; a second elasticity release groove 130; the second anti-crack grooves 131; a guide portion 140.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 and 2, an embodiment of the present invention provides a steel bushing jig, including sleeve 100, sleeve 100 has elasticity, can expand or contract, generally speaking, inner chamber 110 of sleeve 100 matches with the appearance of work piece, can wear to locate sleeve 100 with the work piece after expanding sleeve 100, shrink under the sleeve 100 natural state, can tightly overlap in the surface of work piece, specifically, sleeve 100's material is spring steel, spring steel has better elastic deformation ability, and sleeve 100's wall thickness sets up to 3 millimeters, be convenient for the expansion locates the work piece with the cover, sleeve 100 tightly overlaps behind the surface of work piece can prevent that the work piece from taking place to warp in the course of working.

The sidewall of the sleeve 100 is provided with a plurality of first elastic force releasing grooves 120 and a plurality of second elastic force releasing grooves 130, the first elastic force releasing grooves 120 are arranged along the axial direction of the sleeve 100, the second elastic force releasing grooves are arranged along the axial direction of the sleeve 100, the opening direction of the notch of the first elastic force releasing grooves 120 is opposite to the opening direction of the notch of the second elastic force releasing grooves 130, namely, the opening direction of the notch of the first elastic force releasing grooves 120 is upward, the opening direction of the notch of the second elastic force releasing grooves 130 is downward, the first elastic force releasing grooves 120 are arranged at intervals, the second elastic force releasing grooves 130 are arranged at intervals, and the first elastic force releasing grooves 120 and the second elastic force releasing grooves 130 are alternately arranged along the circumferential direction of the sleeve 100, wherein the number of the first elastic force releasing grooves 120 and the second elastic force releasing grooves 130 is set according to the diameter of the sleeve 100, the larger the diameter of the sleeve 100 is, the larger the number of the first elastic force releasing grooves 120 and the second elastic force releasing grooves 130 is, conversely, the smaller the number is, specifically, the first elastic force releasing groove 120 is recessed downward from the upper end of the sleeve 100 along the axial direction of the sleeve 100 so as to facilitate the expansion of the upper half of the sleeve 100, and the second elastic force releasing groove 130 is recessed upward from the lower end of the sleeve 100 along the axial direction of the sleeve 100 so as to facilitate the expansion of the lower half of the sleeve 100, that is, the first elastic force releasing groove 120 and the second elastic force releasing groove 130 form two parallel slits, and the ports of the two slits are respectively located at the upper end and the lower end of the sleeve 100, so that the upper half and the lower half of the sleeve 100 can be expanded by external force, at this time, the first elastic force releasing groove 120 and the second elastic force releasing groove 130 are expanded, and the expansion range at the slit is generally larger than the expansion range at the groove so as to insert the workpiece into the inner cavity 110 of the sleeve 100, and the external force is removed, and both the first elastic force releasing groove 120 and the second elastic force releasing groove 130 are contracted by the elasticity of the sleeve 100 itself, the sleeve 100 is shrunk integrally, namely the sleeve can be tightly sleeved on the outer surface of the workpiece, so that a subsequent clamp can clamp the workpiece; when the sleeve 100 is detached, the sleeve 100 is expanded through external force, the operation is simple, and the sleeve 100 is detached for cleaning after being used conveniently.

Through set up first elasticity release groove 120 and second elasticity release groove 130 that opening direction is opposite on having elastic sleeve 100, and first elasticity release groove 120 and second elasticity release groove 130 arrange in turn, consequently, can be simply open sleeve 100 is whole and tightly overlap in the work piece, when needing centre gripping work piece, anchor clamps pass through sleeve 100 indirect centre gripping work piece, can avoid the piece on the anchor clamps to weigh wounded or the fish tail work piece, and sleeve 100 can be simply dismantled from the work piece, so that wash, simultaneously, anchor clamps act on the work piece with centre gripping effort through sleeve 100, the work piece atress is even, non-deformable, effectively reduce the defective rate of product.

Referring to fig. 1, in some embodiments, the number of the first elastic force releasing grooves 120 is the same as that of the second elastic force releasing grooves 130, and the number of the elastic force releasing grooves affects the contractive elastic force of the sleeve 100, and when the sleeve 100 has the same diameter and the same groove width, the larger the number of the elastic force releasing grooves is, the smaller the contractive elastic force is, and the more the workpiece cannot be tightly sleeved, specifically, the number of the first elastic force releasing grooves 120 and the number of the second elastic force releasing grooves 130 are both nine, so that the contractive elastic forces of the upper half portion and the lower half portion of the sleeve 100 are kept consistent on the premise that the contractive elastic force of the whole sleeve 100 meets the process requirements, so as to tightly sleeve the whole workpiece and prevent the workpiece from falling off.

In some embodiments, the groove width of the first elastic force releasing groove 120 is equal to the groove width of the second elastic force releasing groove 130, the groove width of the elastic force releasing groove affects the contractive elastic force of the sleeve 100, and in the case that the diameters of the sleeves 100 are the same and the number of the elastic force releasing grooves is the same, the larger the groove width is, the smaller the contractive elastic force is, so that the contractive elastic forces of the upper half portion and the lower half portion of the sleeve 100 are further kept the same, so as to tighten the entire workpiece and prevent the workpiece from falling off.

In some embodiments, the groove width of the first elasticity-releasing groove 120 and the groove width of the second elasticity-releasing groove 130 are both set to be 1-2 mm, since under the condition that the diameter of the sleeve 100 is the same and the number of the elasticity-releasing grooves is the same, the sleeve 100 is difficult to expand due to too small groove width, and particularly, the groove width is set to be 2 mm, so that the sleeve 100 as a whole maintains proper contraction elasticity while facilitating expansion.

Referring to fig. 2, in some embodiments, the first elastic force relief grooves 120 are equally spaced from any adjacent second elastic force relief groove 130, and the second elastic force relief grooves 130 are equally spaced from any adjacent first elastic force relief groove 120, that is, all the elastic force relief grooves are uniformly arranged in the circumferential direction of the sleeve 100, that is, W1 is W2, so that the elastic force of the sleeve 100 at each position in the circumferential direction is kept consistent, and the uniformity of the elastic force of the sleeve 100 is ensured.

Referring to fig. 2, in some embodiments, the distance between the first elastic force relief groove 120 and the second elastic force relief groove 130 is set to be 15-25 mm, and the distance between the first elastic force relief groove 120 and the second elastic force relief groove 130 is related to the overall number of the elastic force relief grooves, and in the case that the sleeve 100 has the same diameter, the smaller the distance, the larger the number of the elastic force relief grooves, the smaller the contractive elastic force, and the more the workpiece cannot be tightened, and specifically, the distance between the first elastic force relief groove 120 and the second elastic force relief groove 130 is set to be 20mm, that is, W1-W2-20 mm, so that the sleeve 100 overall maintains the appropriate contractive elastic force while facilitating expansion.

Referring to FIG. 2, in some embodiments, the length of the first elastic force relief groove 120 and the length of the second elastic force relief groove 130 are not less than half of the length of the sleeve 100, the length D1 of the first elastic force relief groove 120 is greater than or equal to L/2, the length D2 of the second elastic force relief groove 130 is greater than or equal to L/2, and L is the length of the sleeve 100; specifically, D1 > L/2 and D2 > L/2, so that the sleeve 100 is kept elastic at all positions in the axial direction, the sleeve 100 is integrally tightly sleeved on the workpiece, and the sleeve 100 is convenient to expand.

Referring to fig. 2, in some embodiments, the groove bottom of the first elastic force relief groove 120 is provided with a first anti-crack groove 121, the groove width of the first anti-crack groove 121 is greater than the groove width of the first elastic force relief groove 120, and similarly, the groove bottom of the second elastic force relief groove 130 is provided with a second anti-crack groove 131, the groove width of the second anti-crack groove 131 is greater than the groove width of the second elastic force relief groove 130, specifically, the cross-sections of the first anti-crack groove 121 and the second anti-crack groove 131 are provided in a circular shape, the diameter of the circle is larger than that of the first or second elastic

force relief groove

120 or 130, since the groove widths of the first and second elastic

force relief grooves

120 and 130 are small, only 2 mm, the sleeve 100 is damaged due to easy cracking at the bottom of the elastic force releasing groove, especially during expansion, and the circular anti-cracking groove with a larger diameter is arranged, so that the elastic force releasing groove can be prevented from cracking, and the reliability of the sleeve 100 is improved.

Referring to fig. 4, in some embodiments, the cross section of the sleeve 100 is circular, the circular shape is matched with the outer diameter of the cylindrical workpiece, the cylindrical workpiece has a high requirement on the precision of the shape, when the fixture is used for clamping the workpiece, the sleeve 100 is tightly sleeved on the outer side wall of the cylindrical workpiece, and then the fixture is used for clamping the sleeve 100, so that the cylindrical workpiece is uniformly stressed, the cylindrical workpiece can be prevented from being deformed, and the roundness of the workpiece can be maintained.

Referring to fig. 3, in some embodiments, the guide portions 140 are disposed at both ends of the sleeve 100, the guide portions 140 are disposed at the inner side of the sleeve 100, specifically, the guide portions 140 are disposed at the inner sides of the upper end and the lower end of the sleeve 100, and the structure of the guide portions 140 is at least one of a rounded corner and a chamfered corner, so that no matter which end of the sleeve 100 is sleeved with a workpiece, the workpiece can be guided, and the workpiece can be conveniently inserted into the sleeve 100.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A steel bushing jig, comprising:

the sleeve is elastic, the inner cavity of the sleeve is matched with the appearance of a workpiece, one end of the sleeve is provided with a plurality of first elastic releasing grooves arranged along the axial direction, the other end of the sleeve is provided with a plurality of second elastic releasing grooves arranged along the axial direction, the first elastic releasing grooves are arranged at intervals, the second elastic releasing grooves are arranged at intervals, and the first elastic releasing grooves and the second elastic releasing grooves are alternately arranged along the circumferential direction of the sleeve.

2. The steel casing jig of claim 1, characterized in that: the number of the first elastic force releasing grooves is equal to that of the second elastic force releasing grooves.

3. The steel casing jig of claim 1, characterized in that: the groove width of the first elasticity releasing groove is equal to that of the second elasticity releasing groove.

4. The steel casing jig of claim 3, characterized in that: the groove width of the first elastic force releasing groove and the groove width of the second elastic force releasing groove are both set to be 1-2 mm.

5. The steel casing jig of claim 1, characterized in that: the first elastic force releasing groove is equal to any adjacent second elastic force releasing groove in distance, and the second elastic force releasing groove is equal to any adjacent first elastic force releasing groove in distance.

6. The steel casing jig of claim 5, characterized in that: the distance between the first elastic force releasing groove and the second elastic force releasing groove is set to be 15-25 mm.

7. The steel casing jig of claim 1, characterized in that: the length of the first elasticity relief groove and the length of the second elasticity relief groove are not less than half of the length of the sleeve.

8. The steel casing jig of claim 1, characterized in that: the groove bottom of the first elastic force releasing groove is provided with a first anti-cracking groove, the groove width of the first anti-cracking groove is larger than that of the first elastic force releasing groove, the groove bottom of the second elastic force releasing groove is provided with a second anti-cracking groove, and the groove width of the second anti-cracking groove is larger than that of the second elastic force releasing groove.

9. The steel casing jig of claim 1, characterized in that: the cross section of the sleeve is circular.

10. The steel casing jig of claim 1, characterized in that: the both ends of sleeve all are provided with the guide part, the guide part is located telescopic inboard.