Machining tool capable of improving location degree of positioning pin hole

Abstract

The utility model relates to the field of machining tools, in particular to a machining tool capable of improving the location degree of a positioning pin hole, which comprises a bottom plate, a first limiting plate, a second limiting plate and a pressing block are arranged on the bottom plate, the first limiting plate is fixedly connected with the bottom plate, the second limiting plate is parallel to the first limiting plate, and the pressing block is arranged on the bottom plate. The first limiting plate is fixedly connected with the second limiting plate, the distance between the first limiting plate and the second limiting plate can be adjusted, the pressing block is fixedly connected with the first limiting plate and the second limiting plate, and the pressing block is in contact with a key groove of a shaft sleeve needing to be machined. Through the arrangement of the first limiting block, the second limiting block and the pressing block, the shaft sleeve is horizontally machined, inclination caused by thrust of a cutter is avoided, and the position degree of a pin hole is improved; the pressing block is matched with the key groove of the shaft sleeve, so that the parallelism between the connecting line between the pin holes obtained through machining and the key groove is more excellent, and the product quality is improved.

Description

Technical Field

[0001] The utility model relates to the field of processing tools, in particular to a processing tool capable of improving the position accuracy of a positioning pin hole. Background Art

[0002] There is a kind of shaft sleeve, whose inner wall is provided with a keyway parallel to the central axis of the shaft sleeve, and whose outer wall is provided with two locating pin holes, and the parallelism between the center line of the two locating pin holes and the center line of the keyway has high requirements, which has certain requirements on the position of the locating pin holes. According to the existing method, it is placed vertically, the bottom is fixed and then the locating pin holes are processed. Since the upper end is not locked, the thrust of the tool may cause the upper part of the shaft sleeve to tilt, and the position of the locating pin holes at the upper part is inaccurate. If the bottom chuck is clamped and the upper pressure plate is tightened, it will lead to cumbersome disassembly and assembly, and low processing efficiency.

[0003] Therefore, it is necessary for us to improve such a structure to overcome the above-mentioned defects. Utility Model Content

[0004] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a processing tooling that can improve the position accuracy of the positioning pin hole. The utility model is achieved through the following technical solutions:

[0005] A processing tool that can improve the position accuracy of a locating pin hole comprises a base plate, on which a first limit plate, a second limit plate and a pressure block are arranged, the first limit plate is fixedly connected to the base plate, the second limit plate is parallel to the first limit plate, and the distance between the first limit plate and the second limit plate is adjustable, the pressure block is fixedly connected to both the first limit plate and the second limit plate, and the pressure block maintains contact with the keyway of the shaft sleeve to be processed.

[0006] In the above technical solution: the bottom plate is used to support the remaining components; the first limit plate and the second limit plate are used to limit the position of the sleeve; the pressure block is used to cooperate with the keyway of the sleeve, which not only fixes the sleeve by pressing, but also positions the sleeve; the distance between the first limit plate and the second limit plate is adjustable, so that it can be suitable for fixing sleeves of different lengths.

[0007] The utility model is further configured as follows: a first limiting groove is provided on the first limiting plate, a second limiting groove is provided on the second limiting plate, one end of the pressing block is provided in the first limiting groove, and the other end is provided in the second limiting groove.

[0008] In the above technical solution: the first limiting groove and the second limiting groove are provided to prevent the pressing block from moving and ensure the accurate position of the pressing block.

[0009] The utility model is further configured as follows: the width of the first limiting groove is consistent with the width of the second limiting groove, and the width of the pressing block is consistent with the width of the first limiting groove.

[0010] In the above technical solution: the width of the first limiting groove and the second limiting groove is consistent with that of the pressing block, so that the pressing block will not shake after being matched with the first limiting groove and the second limiting groove.

[0011] The utility model is further configured as follows: at least one slide groove is provided on the bottom plate, a sliding block is slidably provided in the slide groove, and the sliding block is detachably fixedly connected to the second limiting plate.

[0012] In the above technical solution: the slide groove is used to cooperate with the sliding block; the sliding block is used to realize the sliding of the second limiting plate.

[0013] The utility model is further configured as follows: the pressing block is perpendicular to the first limiting plate.

[0014] In the above technical solution: the pressing block is perpendicular to the first limiting plate, so that after the pressing block is installed, one end of the sleeve contacts the side of the first limiting plate, and the keyway is in full contact with the pressing block.

[0015] The utility model is further configured as follows: an anti-rolling groove is also provided on the bottom plate.

[0016] In the above technical solution: the anti-roll arc groove is used to prevent the shaft sleeve from rolling randomly when it is fixed.

[0017] The utility model discloses a processing tooling which can improve the position accuracy of the positioning pin hole. Compared with the prior art:

[0018] 1. The utility model provides a first limit block, a second limit block and a pressure block, so that the sleeve is processed in a horizontal state, avoiding tilting due to the thrust of the tool, and improving the position accuracy of the pin hole;

[0019] 2. The cooperation between the pressing block of the utility model and the keyway of the shaft sleeve also makes the parallelism between the connecting line between the processed pin holes and the keyway better, thereby improving the product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional diagram of the utility model;

[0021] Figure 2 It is a side view of the utility model;

[0022] Figure 3 This is a schematic diagram of the utility model when fixing the shaft sleeve;

[0023] Figure 4 It is a schematic diagram of a shaft sleeve applicable to the utility model.

[0024] The corresponding component names represented by the numbers and letters in the figure are: 10-bottom plate; 101-slide groove; 102-anti-roll groove; 20-first limiting plate; 201-first limiting groove; 30-second limiting plate; 301-second limiting groove; 40-pressing block; 50-sliding block. DETAILED DESCRIPTION

[0025] The following is a detailed description of an embodiment of the utility model. This embodiment is implemented on the premise of the technical solution of the utility model, and a detailed implementation method and a specific operation process are given, but the protection scope of the utility model is not limited to the following embodiment.

[0026] like Figure 1-4 As shown, the present invention proposes a processing tooling capable of improving the position accuracy of the positioning pin hole, comprising a base plate 10, on which a first limiting plate 20, a second limiting plate 30 and a pressing block 40 are arranged, wherein the first limiting plate 20 is fixedly connected to the base plate 10, the second limiting plate 30 is parallel to the first limiting plate 20, and the distance between the first limiting plate 20 and the second limiting plate 30 is adjustable, the pressing block 40 is fixedly connected to both the first limiting plate 20 and the second limiting plate 30, and the pressing block 40 keeps in contact with the keyway of the shaft sleeve to be processed. The second limiting plate 30 is fixed by bolts after the position is adjusted.

[0027] like Figure 1-4 As shown, the present invention proposes a processing tooling capable of improving the position accuracy of the positioning pin hole, wherein the first limiting plate 20 is provided with a first limiting groove 201, the second limiting plate 30 is provided with a second limiting groove 301, one end of the pressing block 40 is provided in the first limiting groove 201, and the other end is provided in the second limiting groove 301. The bottom surface of the first limiting groove 201 is not higher than the depth of the bottom surface of the keyway of the shaft sleeve to be processed.

[0028] like Figure 1-4 As shown, the utility model proposes a processing tool that can improve the position accuracy of the positioning pin hole, the width of the first limiting groove 201 is consistent with the width of the second limiting groove 301, and the width of the pressing block 40 is consistent with the width of the first limiting groove 201.

[0029] like Figure 1-4As shown, the present invention proposes a processing tooling capable of improving the position accuracy of the positioning pin hole, wherein at least one slide groove 101 is provided on the bottom plate 10, and a sliding block 50 is slidably provided in the slide groove 101, and the sliding block 50 is detachably fixedly connected to the second limit plate 30. Among them, there are two slide grooves 101, and the two slide grooves 101 are arranged in parallel; the cross-sectional shape of the slide groove 101 is "T"-shaped; the cross-sectional shape of the sliding block 50 is also "T"-shaped; the sliding block 50 is fixedly connected to the second limit plate 30 by bolts.

[0030] like Figure 1-4 As shown, the utility model proposes a processing tool that can improve the position accuracy of the positioning pin hole, and the pressing block 40 is perpendicular to the first limiting plate 20.

[0031] like Figure 1-4 As shown, the utility model proposes a processing tooling capable of improving the position accuracy of the positioning pin hole, wherein the bottom plate 10 is further provided with an anti-roll groove 102. The cross section of the anti-roll groove 102 is arc-shaped, and the position of the anti-roll groove 102 corresponds to the position of the first limiting groove 201.

[0032] The working principle of the utility model is:

[0033] a) Place the sleeve into the anti-roll groove on the base plate;

[0034] b) pushing the sleeve so that one end of the sleeve contacts the first limiting plate;

[0035] c) sliding the second limit plate so that the second limit plate contacts the other end of the sleeve;

[0036] d) fixing the position of the second limiting plate;

[0037] e) Place the pressure plate so that it contacts the bottom and side surfaces of the keyway of the sleeve;

[0038] f) At the same time, both ends of the pressing plate also cooperate with the first limiting groove and the second limiting groove;

[0039] g) Fixed pressure plate;

[0040] h) Start the machine tool and start hole processing.

[0041] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

[0042] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

Claims

1. A processing tool capable of improving the position accuracy of a positioning pin hole, characterized in that: The invention comprises a base plate (10), on which a first limiting plate (20), a second limiting plate (30) and a pressing block (40) are arranged, wherein the first limiting plate (20) is fixedly connected to the base plate (10), the second limiting plate (30) is parallel to the first limiting plate (20), and the distance between the first limiting plate (20) and the second limiting plate (30) is adjustable, and the pressing block (40) is fixedly connected to both the first limiting plate (20) and the second limiting plate (30), and the pressing block (40) keeps in contact with the keyway of the shaft sleeve to be processed.

2. A processing tool capable of improving the position accuracy of a positioning pin hole according to claim 1, characterized in that: The first limiting plate (20) is provided with a first limiting groove (201), the second limiting plate (30) is provided with a second limiting groove (301), one end of the pressing block (40) is arranged in the first limiting groove (201), and the other end is arranged in the second limiting groove (301).

3. A processing tool capable of improving the position accuracy of a positioning pin hole according to claim 2, characterized in that: The width of the first limiting groove (201) is consistent with the width of the second limiting groove (301), and the width of the pressing block (40) is consistent with the width of the first limiting groove (201).

4. A processing tool capable of improving the position accuracy of a positioning pin hole according to claim 3, characterized in that: At least one sliding groove (101) is provided on the bottom plate (10), a sliding block (50) is slidably provided in the sliding groove (101), and the sliding block (50) is detachably fixedly connected to the second limiting plate (30).

5. A processing tool capable of improving the position accuracy of a positioning pin hole according to claim 4, characterized in that: The pressing block (40) is perpendicular to the first limiting plate (20).

6. A processing tool capable of improving the position accuracy of a positioning pin hole according to any one of claims 1 to 5, characterized in that: The bottom plate (10) is also provided with an anti-roll groove (102).

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