Limiting tool for machining inner concave surface of protective shaft sleeve

Abstract

The utility model discloses a limiting tool for machining a concave surface of a protective shaft sleeve, which relates to the technical field of shaft sleeve machining and comprises a square base used for constructing a machining clamping plane. Two second limiting assemblies; and a first limiting assembly. The first limiting assembly and the two second limiting assemblies are arranged on the base, when a workpiece is placed on the base, the two second limiting assemblies are used for limiting and locking the two sides of the workpiece, and then the first limiting assembly is used for sliding and limiting in the middle of the workpiece; the workpiece is locked and limited on the base, the locking effect on the workpiece can be guaranteed, and the displacement condition of the workpiece during machining is avoided. Therefore, the problem that in the prior art, displacement is prone to occurring through a conventional clamping and limiting means is effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to axle sleeve processing technical field especially relates to a kind of limit tool for protecting axle sleeve inner concave surface machining. BACKGROUND

[0002] Protective axle sleeve can protect the shaft from the invasion of external environment (such as dust, moisture, corrosive substances), prolong the service life of the shaft. At present, since the protective axle sleeve needs to match the shaft and the shaft body integral shape, its whole is generally special-shaped structure, so that it is difficult to clamp and limit when processing inner concave surface, and the conventional clamping and limiting means is prone to displacement, and then prone to produce vibration marks in the processing process. SUMMARY

[0003] The utility model discloses a kind of limit tool for protecting axle sleeve inner concave surface machining, to solve the conventional clamping and limiting means in prior art is prone to displacement, and then prone to produce vibration marks in the processing process.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] A kind of limit tool for protecting axle sleeve inner concave surface machining, comprising:

[0006] Base, the base is square, the base is used to build processing clamping plane;

[0007] Two second limiting components, two the second limiting components are set on the base, two the second limiting components are symmetrically set, two the second limiting components are used to limit and fix two sides of workpiece respectively;

[0008] First limiting component, the first limiting component is set on the base, the first limiting component extends between two the second limiting components, and the first limiting component is used to limit and fix workpiece on base.

[0009] In some feasible schemes, the first limiting component includes:

[0010] Supporting piece, the supporting piece is columnar, the supporting piece is set on the base, and the supporting piece is located between two the second limiting components;

[0011] Moving piece, the moving piece is square plate, one end of the moving piece is abutted on workpiece, the moving piece is provided with sliding hole, the moving piece is slidably connected to the supporting piece through the sliding hole, and the moving piece is further provided with sliding groove away from the sliding hole.

[0012] The fixing part is arranged on the base, the top end of the fixing part is arc-shaped, and the top end of the fixing part is connected to the sliding groove of the moving part through arc-shaped sliding connection, so that the moving part slides on the supporting part through the sliding hole.

[0013] In some possible solutions, the sliding hole is a strip-shaped hole.

[0014] In some possible solutions, the second limiting assembly comprises:

[0015] The mounting plate is arranged on one side of the base, and the mounting plate is provided with a hinged end;

[0016] The turnover limiting plate is hingedly connected to the mounting plate at one end through the hinged end, and the turnover limiting plate is located above both sides of the workpiece;

[0017] The first limiting part is connected to the turnover limiting plate at one end, and the other end of the first limiting part is connected to the mounting plate through insertion;

[0018] The second limiting part is arranged on the turnover limiting plate at one end, and the other end of the second limiting part sequentially penetrates the threaded hole of the workpiece and the turnover limiting plate and extends to the base.

[0019] In some possible solutions, the first limiting part comprises:

[0020] The first limiting sheet is abutted and attached to the turnover limiting plate;

[0021] The first insertion part is abutted to the first limiting sheet at one end, and the other end of the first insertion part is connected to the mounting plate through insertion.

[0022] In some possible solutions, the first insertion part and the mounting plate are connected through insertion instead of being connected through screwing.

[0023] In some possible solutions, the second limiting part comprises:

[0024] The second insertion part is vertically arranged on the turnover limiting plate, the second insertion part sequentially penetrates the threaded hole of the workpiece and the turnover limiting plate, and is connected to the base through abutment;

[0025] The second limiting sheet is arranged on the turnover limiting plate, the second limiting sheet is abutted and attached to the outside of the second insertion part, and one side of the second limiting sheet is concave;

[0026] The limiting piece is arranged on the turnover limiting plate, is connected with the turnover limiting plate through threads, and is connected with the second limiting piece through the inner recess of the second limiting piece.

[0027] In some possible solutions, the second inserting rod is connected with the second limiting piece through a threaded sleeve.

[0028] In some possible solutions, two pads are further arranged on the base, the pads are square, the two pads are symmetrically arranged on the base, and the two pads abut the lower part of the workpiece.

[0029] In some possible solutions, the two pads are detachably connected with the base through bolts.

[0030] The utility model discloses the beneficial effects are:

[0031] The utility model discloses a first limiting component and two second limiting components are arranged on the base, when the workpiece is placed on the base, the two sides of the workpiece are limited and locked by the two second limiting components, and then the middle part of the workpiece is limited and locked by the first limiting component, so that the workpiece is locked and positioned on the base, the locking effect of the workpiece is ensured, and displacement of the workpiece during machining is avoided. DRAWINGS

[0032] Figure 1 It is a whole structure schematic diagram of the limiting tool for protecting the concave surface machining of the shaft sleeve provided in the utility model embodiment;

[0033] Figure 2 It is an explosion schematic diagram of the limiting tool for protecting the concave surface machining of the shaft sleeve provided in the utility model embodiment;

[0034] Figure 3 It is a structure schematic diagram of the first limiting component in the limiting tool for protecting the concave surface machining of the shaft sleeve provided in the utility model embodiment;

[0035] Figure 4 It is a partial structure schematic diagram of the second limiting component in the limiting tool for protecting the concave surface machining of the shaft sleeve provided in the utility model embodiment.

[0036] The marks in the drawing are as follows:

[0037] 1, base;11, pad;12, sleeve pad;

[0038] 2, first limiting component;21, fixed part;22, moving part;221, sliding hole;23, support;

[0039] 3. The second limiting assembly; 31. The mounting plate; 32. The hinged end; 33. The first plug-in part; 331. The first limiting piece; 34. The turnover limiting plate; 35. The second plug-in part; 351. The second limiting piece; 352. The limiting part;

[0040] 4. The workpiece. DETAILED DESCRIPTION

[0041] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0042] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications will also change accordingly.

[0043] In the present application, unless otherwise explicitly specified and limited, the terms "connection", "fixation" and the like should be understood broadly, for example, "fixation" can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection; can be direct connection, or indirect connection through an intermediate medium; can be internal communication of two elements or interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0044] In addition, if the present application embodiments involve "first", "second" and the like, the "first", "second" and the like are only for description purposes, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features with "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes, for example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the fact that those skilled in the art can realize it, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the scope of protection required by the present application.

[0045] Reference Figures 1 to 4The shape of the protection shaft sleeve workpiece 4 is generally as shown in Figure 1 and Figure 2 When machining the inner concave surface, the internal square hole and the circular hole are generally machined, and the rough milling and the fine milling are in place. In order to solve the displacement of the conventional clamping limiting means in the prior art, a limiting tool for machining the inner concave surface of the protection shaft sleeve is provided. The limiting tool comprises a base 1, a first limiting assembly 2, and two second limiting assemblies 3. The base 1 is square-shaped, and the base 1 is used to construct a machining clamping plane. The two second limiting assemblies 3 are arranged on the base 1, and the two second limiting assemblies 3 are symmetrically arranged. The two second limiting assemblies 3 are used to limit and fix the two sides of the workpiece 4, respectively. The first limiting assembly 2 is arranged on the base 1, and the first limiting assembly 2 extends between the two second limiting assemblies 3. The first limiting assembly 2 is used to limit and fix the workpiece 4 on the base 1, so as to avoid the displacement of the workpiece 4 during machining. That is, in the embodiment, the first limiting assembly 2 and the two second limiting assemblies 3 are arranged on the base 1. When the workpiece 4 is placed on the base 1, the two second limiting assemblies 3 are used to limit and lock the two sides of the workpiece 4, and then the first limiting assembly 2 is used to slide and limit the middle part of the workpiece 4, so as to lock and limit the workpiece 4 on the base 1. The locking effect of the workpiece 4 can be guaranteed, and the displacement of the workpiece 4 during machining can be avoided. That is, the displacement of the conventional clamping limiting means in the prior art is effectively solved.

[0046] Referring to Figure 1 and Figure 3 In the embodiment, the first limiting assembly 2 comprises a fixing piece 21, a supporting piece 23, and a moving piece 22. The supporting piece 23 is columnar-shaped, and the supporting piece 23 is arranged on the base 1 and located between the two second limiting assemblies 3. The supporting piece 23 is detachably connected with the base 1, so as to facilitate replacement of the supporting piece 23 of different specifications. The moving piece 22 is square-plate-shaped, one end of the moving piece 22 abuts against the workpiece 4, a sliding hole 221 is arranged on the moving piece 22, the moving piece 22 is slidably sleeved on the supporting piece 23 through the sliding hole 221, and a sliding groove (not marked in the figure) is further arranged on the moving piece 22 away from the sliding hole 221. The fixing piece 21 is arranged on the base 1, the top end of the fixing piece 21 is arc-shaped, and the top end of the fixing piece 21 is slidably connected in the sliding groove of the moving piece 22. The moving piece 22 slides on the supporting piece 23 through the sliding hole 221, so as to abut and limit one end of the moving piece 22 away from the fixing piece 21 on the workpiece 4. It should be noted that, in order to guarantee the sliding effect of the moving piece 22 on the supporting piece 23 through the sliding hole 221, the sliding hole 221 is a strip-shaped hole.

[0047] Referring to Figure 2 and Figure 4In the embodiment, in order to facilitate the description of the second limiting assembly 3, a second limiting assembly 3 is described as an example. Specifically, the second limiting assembly 3 comprises a mounting plate 31, a turnover limiting plate 34, a first limiting part and a second limiting part. The mounting plate 31 is arranged on one side of the base 1, and a hinged end 32 is arranged on the mounting plate 31. Two mounting plates 31 are symmetrically arranged on the base 1. One end of the turnover limiting plate 34 is hingedly connected to the mounting plate 31 through the hinged end 32, and the turnover limiting plate 34 is located above both sides of the workpiece 4 to preliminarily limit both sides of the workpiece 4. One end of the first limiting part is clamped on the turnover limiting plate 34, and the other end of the first limiting part is connected to the mounting plate 31 in a plug-in manner. The first limiting part is plugged in at one end with the mounting plate 31 and plugs in at the other end to turn over the turnover limiting plate 34, thereby ensuring the limiting effect of the turnover limiting plate 34 on the workpiece 4. One end of the second limiting part is arranged on the turnover limiting plate 34, and the other end of the second limiting part penetrates the threaded hole of the workpiece 4 in sequence and extends to the base 1, so as to integrally connect the turnover limiting plate 34 and the base 1 through the threaded hole of the workpiece 4 by the second limiting part, thereby further enhancing the limiting and fixing effect of the turnover limiting plate 34 on the workpiece 4. That is, in the embodiment, when the workpiece 4 needs to be drilled, the turnover limiting plate 34 is turned over on both sides of the workpiece 4, the turnover limiting plate 34 is turned over and fixed by the first limiting part, and then the turnover limiting plate 34 is integrally connected with the base 1 through the threaded hole of the workpiece 4 by the second limiting part, thereby further enhancing the limiting and fixing effect of the turnover limiting plate 34 on the workpiece 4. Specifically, the first limiting part comprises a first plug-in piece 33 and a first limiting piece 331, and the first limiting piece 331 is abutted and attached to the turnover limiting plate 34. One end of the first plug-in piece 33 is abutted to the first limiting piece 331, and the other end of the first plug-in piece 33 is plugged in and connected to the mounting plate 31 in a plug-in manner. That is, one end of the first plug-in piece 33 is clamped on the first limiting piece 331, and then the other end of the first plug-in piece 33 is plugged in with the mounting plate 31, so as to turn over the turnover limiting plate 34 by the plug-in force of the other end of the first plug-in piece 33 with the mounting plate 31 and the abutting force of one end of the first plug-in piece 33 with the first limiting piece 331. Preferably, the first plug-in piece 33 is detachably connected to the mounting plate 31 in a threaded manner. The second limiting part comprises a second plug-in piece 35, a second limiting piece 351 and a limiting piece 352.The second inserting piece 35 is vertically arranged on the turnover limiting plate 34, and sequentially penetrates the threaded hole of the workpiece 4 and is connected to the base 1 in abutment, so as to integrally connect the turnover limiting plate 34 and the workpiece 4 to the base 1 in abutment through the threaded hole of the workpiece 4. The second limiting piece 351 is arranged on the turnover limiting plate 34, and is arranged in abutment with the outside of the second inserting piece 35, and one side of the second limiting piece 351 is concave. The limiting piece 352 is arranged on the turnover limiting plate 34, and is connected to the turnover limiting plate 34 in a threaded manner, and is connected to the second limiting piece 351 in clamping through the concave shape of the second limiting piece 351. That is, in this embodiment, the second inserting piece 35 sequentially penetrates the threaded hole of the workpiece 4 and is connected to the base 1 in abutment, so as to integrally connect the turnover limiting plate 34 and the workpiece 4 to the base 1 in abutment through the threaded hole of the workpiece 4, and then the limiting piece 352 is connected to the second limiting piece 351 in clamping through the concave shape of the second limiting piece 351, so that the limiting piece 352 locks the position of the second inserting piece 35 through the concave shape of the second limiting piece 351, thereby ensuring the limiting effect of the second inserting piece 35 on the turnover limiting plate 34 and the workpiece 4 integrally connected to the base 1 through the threaded hole of the workpiece 4. Preferably, the second inserting rod is connected to the second limiting piece 351 in a threaded manner. That is, the second inserting piece 35 is a screw rod.

[0048] Referring to Figure 2 and Figure 3 In this embodiment, in order to facilitate the workpiece 4 to be placed in the base 1 for leveling, two pads 11 are further arranged on the base 1, the pads 11 are square, the two pads 11 are symmetrically arranged on the base 1, the two pads 11 are detachably connected to the base 1 by bolts, and the two pads 11 are in abutment below the workpiece 4, so as to support and level the workpiece 4.

[0049] In this embodiment, in order to avoid the shaft hole of the protection shaft sleeve workpiece 4 from causing unexpected situations during machining, the limiting tool further comprises a sleeve pad 12, one end of the sleeve pad 12 is inserted and arranged on the base 1, and the other end of the sleeve pad 12 is connected to the shaft hole of the workpiece 4 in a sleeved manner, so as to support the shaft hole of the workpiece 4 by the sleeve pad 12.

[0050] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A limiting tool for protecting the concave surface machining of the inner surface of a bushing, characterized in that, The utility model provides a workpiece clamping device, including: The base is square, and the base is used for building processing clamping plane; Two second limiting components are arranged on the base, and the two second limiting components are symmetrically arranged and used for limiting and fixing two sides of the workpiece respectively; The first limiting component is arranged on the base, extends between the two second limiting components, and is used for limiting and fixing the workpiece on the base.

2. The limiting tool for concave surface machining of a protective bushing inner surface according to claim 1, characterized in that The first limiting component includes: The support is columnar, is arranged on the base, and is located between the two second limiting components; The moving piece is square plate, one end of the moving piece abuts on the workpiece, a sliding hole is arranged on the moving piece, the moving piece is slidably connected to the support through the sliding hole, and a sliding groove is further arranged on the moving piece away from the sliding hole; The fixing piece is arranged on the base, the top end of the fixing piece is arc-shaped, the top end of the fixing piece is slidably connected to the sliding groove of the moving piece, and the moving piece slides on the support through the sliding hole.

3. The limiting tool for concave surface machining of a protective bushing inner surface according to claim 2, characterized in that The sliding hole is a strip-shaped hole.

4. The limiting tool for concave surface machining of a protective bushing inner surface according to claim 1, characterized in that, The second limiting component includes: The mounting plate is arranged on one side of the base, and a hinged end is arranged on the mounting plate; The turnover limiting plate is hingedly connected to the mounting plate at one end, and is located above the two sides of the workpiece; The first limiting part is clamped on the turnover limiting plate at one end, and is inserted into the mounting plate at the other end; The second limiting part is arranged on the turnover limiting plate at one end, and is sequentially inserted into the threaded hole of the workpiece and extended to the base at the other end.

5. The limiting tool for concave surface machining of a protective bushing inner surface according to claim 4, characterized in that The first limiting part includes: The first limiting sheet is abutted on the turnover limiting plate; The first inserting piece is abutted on the first limiting sheet at one end, and is inserted into the mounting plate at the other end.

6. The limiting tool for concave surface machining of a protective bushing inner surface according to claim 5, characterized in that The first inserting piece and the mounting plate are replaced by being detachably connected through threads.

7. The limiting tool for concave surface machining of a protective bushing inner surface according to claim 4, characterized in that, The second limiting part includes: The second inserting piece is perpendicularly arranged on the turnover limiting plate, sequentially penetrates the turnover limiting plate and the threaded hole of the workpiece, and is abutted on the base; The second limiting sheet is arranged on the turnover limiting plate, is sleeved and abutted on the outside of the second inserting piece, and is concave on one side; The limiting piece is arranged on the turnover limiting plate, is threadedly connected to the turnover limiting plate, and is clamped on the second limiting sheet through the concave shape of the second limiting sheet.

8. The limiting tool for concave surface machining of a protective bushing inner surface according to claim 7, characterized in that The second inserting rod and the second limiting sheet are connected through threads.

9. The limiting tool for concave surface machining of a protective bushing inner surface according to claim 1, characterized in that, Two pads are arranged on the base, the pads are square, two pads are symmetrically arranged on the base, and the two pads abut the lower part of the workpiece.

10. The limiting tool for concave surface machining of a protective bushing inner surface according to claim 9, characterized in that The two pads and the base are detachably connected through bolts.

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