Fixing tool for reaming and honing precise inner hole

Abstract

The utility model discloses a fixing tool for reaming and honing a precise inner hole, which relates to the technical field of reaming and honing machining of inner holes of parts and comprises a positioning column, a stepped hole and a plurality of second tool fixing holes are formed in the positioning column, a first tool fixing hole is formed in the positioning column and located below the stepped hole, and a second tool fixing hole is formed in the positioning column and located below the first tool fixing hole. An empty groove is formed in the top of the positioning column; the pair of fixing plates are detachably arranged on the positioning column, each fixing plate is provided with a rotating groove, and the position, corresponding to the rotating groove, of each fixing plate is in threaded connection with a positioning wave bead set screw; when a part with evenly distributed semicircular holes is installed, the part is installed in the stepped hole, a worker rotates the rotating plate to enable a steel ball of the positioning ball fastening screw to be clamped in the limiting hole, the rotating plate is reversely rotated during disassembly, the part is taken out after the rotating plate is taken down, operation is convenient and fast, and machining efficiency can be improved when the number of the parts to be reamed and honed is large.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of hinge honing of part inner hole, concretely is a kind of fixed tooling of hinge honing precision inner hole. BACKGROUND

[0002] With the development of society, the demand of precision parts products is more and more, compared with traditional honing process, hinge honing has the characteristics of simple and efficient movement, high tool durability, good rigidity, low cost, stable processing quality and high efficiency, and is an ideal process for mass processing of inner hole.

[0003] At present, when the uniformly distributed semicircular hole parts need to be fixed for inner hole hinge honing, the symmetrically arranged bolts are usually used to drive the fixing parts to move towards each other for fixing, and the personnel repeatedly screw the bolts during fixing, which has the problems of fixing difficulty and inconvenience, and the operation is more cumbersome when the number of parts to be hinge honed is large. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a kind of fixed tooling of hinge honing precision inner hole, when installing the uniformly distributed semicircular hole parts, the parts are installed in stepped hole, personnel rotates rotary plate again, makes the steel ball of positioning wave bead locking screw be clamped in limiting hole, when disassembling, rotary plate is rotated reversely, after taking down rotary plate, the parts can be taken out, which is convenient to operate, and the processing efficiency can be improved when the number of parts to be hinge honed is large.

[0005] To achieve the above purpose, the utility model is realized by the following technical scheme: a kind of fixed tooling of hinge honing precision inner hole, comprising:

[0006] Positioning column, the stepped hole and a plurality of second tooling fixing holes are formed in the positioning column, the first tooling fixing hole is formed below the stepped hole in the positioning column, and the air slot is formed in the top of the positioning column;

[0007] A pair of fixed plates, a pair of the fixed plates are detachably arranged on the positioning column, a rotary groove is formed in each of the fixed plates, and a positioning wave bead locking screw is threadedly connected to the position corresponding to the rotary groove of each of the fixed plates;

[0008] Rotary plate, a pair of protrusions are arranged on the rotary plate, a limiting hole is formed in each of the protrusions, the steel ball on the positioning wave bead locking screw can be clamped in the limiting hole, and a machining through hole is formed in the center position of the rotary plate;

[0009] A pair of positioning plates, each of the positioning plates is detachably arranged on the rotary plate, a pair of insertion holes are formed in the rotary plate, and a positioning pin is arranged on the bottom of each of the positioning plates and can be inserted into the insertion hole.

[0010] Preferably, a pair of third internal thread holes are formed on the rotating plate, a second connecting through hole is formed on each positioning plate, and the positioning plate is arranged on the rotating plate by penetrating a hexagonal head bolt into the second connecting through hole and screwing the hexagonal head bolt with the third internal thread hole.

[0011] Preferably, a plurality of first connecting through holes are formed on the fixing plate, a plurality of first internal thread holes are formed on the top of the positioning column, and the fixing plate is arranged on the positioning column by penetrating a hexagonal head bolt into the first connecting through hole and screwing the hexagonal head bolt with the first internal thread hole.

[0012] The utility model provides a kind of fixed tool of hinge lapping precision inner hole, with following beneficial effects:

[0013] 1, the utility model is installed when to the even distribution semicircular hole part, install the part in ladder hole, personnel rotates rotating plate again, and the steel ball of positioning wave pearl is clamped in limit hole, when disassembling, rotating plate is reversed, and after taking down rotating plate, the part can be taken out, it is convenient to operate, when the quantity of part to be hinge lapped is more, processing efficiency can be improved;

[0014] 2, the utility model is arranged on the fixing plate with a plurality of first connecting through holes, and a plurality of first internal thread holes are formed on the top of the positioning column, and the fixing plate is arranged on the positioning column by penetrating a hexagonal head bolt into the first connecting through hole and screwing the hexagonal head bolt with the first internal thread hole. SHEET DESCRIPTION

[0015] Figure 1 It is the perspective structural schematic diagram of the utility model in fixed state;

[0016] Figure 2 It is the plan view of the utility model in fixed state;

[0017] Figure 3 It is the utility model Figure 2 Sectional view in A-A direction;

[0018] Figure 4 It is the perspective structural schematic diagram of the utility model in non-fixed state;

[0019] Figure 5 It is the plan view of the positioning column in the utility model;

[0020] Figure 6 It is the utility model Figure 5 Sectional view in B-B direction;

[0021] Figure 7 It is the perspective structural schematic diagram of the fixing plate;

[0022] Figure 8The utility model discloses a three-dimensional structure schematic diagram of end face positioning pin.

[0023] Figure 9 The utility model discloses a three-dimensional structure schematic diagram of rotary plate.

[0024] Figure 10 It is three-dimensional structure schematic diagram of the part of even distribution semicircle hole of the inner hole of being waited for hinge lapping.

[0025] In the drawing: 1, positioning column, 1-1, first internal thread hole, 1-2, first tool fixing hole, 1-3, stepped hole, 1-4, second tool fixing hole, 1-5, empty slot, 2, even distribution semicircle hole part, 3, fixed plate, 3-1, rotary groove, 3-2, second internal thread hole, 3-3, first connecting through hole, 4, positioning wave bead locking screw, 5, rotary plate, 5-1, limiting hole, 5-2, third internal thread hole, 5-3, insertion hole, 5-4, processing through hole, 6, positioning plate, 6-1, positioning pin, 6-2, second connecting through hole. Specific implementation

[0026] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.

[0027] Please refer to Figures 1-10 The utility model provides a kind of technical scheme: a fixed tool of hinge lapping precision inner hole, comprising:

[0028] Positioning column 1, the stepped hole 1-3 and a plurality of second tool fixing holes 1-4 are set on the positioning column 1, the first tool fixing hole 1-2 is set on the positioning column 1 below the stepped hole 1-3, and the top of the positioning column 1 is provided with an empty slot 1-5;

[0029] A pair of fixed plates 3, a pair of the fixed plate 3 can be detachably arranged on the positioning column 1, and a rotary groove 3-1 is formed in each of the fixed plate 3, and a positioning wave bead locking screw 4 is threadedly connected to the position corresponding to the rotary groove 3-1 of each of the fixed plate 3;

[0030] Rotary plate 5, a pair of protrusions are arranged on the rotary plate 5, a limiting hole 5-1 is formed in each of the protrusions, the steel ball on the positioning wave bead locking screw 4 can be clamped in the limiting hole 5-1, and a processing through hole 5-4 is formed at the center position of the rotary plate 5;

[0031] A pair of positioning plates 6, each of the positioning plates 6 is detachably arranged on the rotating plate 5, the rotating plate 5 is provided with a pair of insertion holes 5-3, and the bottom of each of the positioning plates 6 is provided with a positioning pin 6-1 capable of being inserted into the insertion hole 5-3.

[0032] In the embodiment, when in use, the part 2 to be honed with a plurality of evenly distributed semicircular holes is arranged in the stepped hole 1-3 of the positioning column 1, the positioning pin 6-1 at the bottom of the positioning plate is inserted into the insertion hole 5-3 of the rotating plate 5, the positioning plate is fixed on the rotating plate 5, the positioning pin 6-1 is arranged in the semicircle of the part 2 to be honed with a plurality of evenly distributed semicircular holes, the pair of positioning pins 6-1 are in contact with the side wall of the part 2 to be honed with a plurality of evenly distributed semicircular holes, the pair of positioning pins 6-1 can prevent the part 2 to be honed with a plurality of evenly distributed semicircular holes from rotating, a worker manually rotates the rotating plate 5, the setting of the empty slot 1-5 facilitates the operation of the rotating plate 5, the pair of protrusions on the rotating plate 5 are rotated into the rotating grooves 3-1 arranged in the pair of fixing plates 3, and the steel ball of the positioning wave bead locking screw 4 is clamped in the limiting hole 5-1 arranged in the protrusion until the steel ball of the positioning wave bead locking screw 4 is clamped in the limiting hole 5-1 arranged in the protrusion; the positioning column 1 is arranged on the machining device (the machining device fixes the positioning column 1 through the first tool fixing hole 1-2 and the plurality of second tool fixing holes 1-4), the machining device hones the part 2 to be honed with a plurality of evenly distributed semicircular holes through the machining through hole 5-4, the machining direction of the part 2 to be honed with a plurality of evenly distributed semicircular holes is the same as the rotating direction of the rotating plate 5 when the rotating plate 5 is arranged, the pair of protrusions on the rotating plate 5 are always arranged in the pair of rotating grooves 3-1 during machining, after the honing of the inner hole of the part is completed, the worker reversely rotates the rotating plate 5, the steel ball of the positioning wave bead locking screw 4 is bounced off when the rotating plate 5 is reversely rotated, the rotating plate 5 is taken out, the part with the honed inner hole is taken out, and the other parts can be fixed according to the same steps; when the part to be honed is arranged, the part is arranged in the stepped hole 1-3, the worker rotates the rotating plate 5, the steel ball of the positioning wave bead locking screw 4 is clamped in the limiting hole 5-1, the rotating plate 5 is reversely rotated when the part is disassembled, the part can be taken out after the rotating plate 5 is taken off, the operation is convenient, and the machining efficiency can be improved when the number of parts to be honed is large.

[0033] As an embodiment of the utility model, the rotating plate 5 is provided with a pair of third internal thread holes 5-2, each of the positioning plates 6 is provided with a second connecting through hole 6-2, and the positioning plate is arranged on the rotating plate 5 through the internal hexagonal bolt inserted into the second connecting through hole 6-2 and screwed with the third internal thread hole 5-2.

[0034] In the embodiment, the second connecting through hole 6-2 of the positioning plate 6 is connected with the third internal thread hole 5-2 of the rotating plate 5 through the internal hexagonal cylindrical head screw to arrange the positioning plate 6 on the rotating plate 5.

[0035] As an embodiment of the utility model, a plurality of first connecting through holes 3-3 are formed on the fixing plate 3, a plurality of first internal thread holes 1-1 are formed on the top of the positioning column 1, and the fixing plate 3 is arranged on the positioning column 1 by penetrating the hexagonal head bolt into the first connecting through hole 3-3 and screwing the first internal thread hole 1-1.

[0036] In the embodiment, a plurality of first internal thread holes 1-1 are formed on the top of the positioning column 1, a plurality of first connecting through holes 3-3 are formed on the fixing plate 3, and the fixing plate 3 is installed on the positioning column 1 by penetrating the hexagonal head bolt into the first connecting through hole 3-3 and connecting the first internal thread hole 1-1.

[0037] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A fixing fixture for honing precision inner holes, characterized in that, The utility model relates to a positioning column (1) is provided with stepped hole (1-3) and a plurality of second tool fixing hole (1-4) on it, and the first tool fixing hole (1-2) is provided with the first tool fixing hole (1-2) below the stepped hole (1-3) on the positioning column (1), and the top of the positioning column (1) is provided with the empty slot (1-5). A pair of fixed plates (3) are detachably arranged on the positioning column (1), each of the fixed plates (3) is provided with a rotating groove (3-1), and each of the fixed plates (3) is threadedly connected with a positioning wave bead fixing screw (4) at a position corresponding to the rotating groove (3-1). The rotating plate (5) is provided with a pair of protrusions, each of the protrusions is provided with a limiting hole (5-1), the steel ball on the positioning wave bead fixing screw (4) can be clamped in the limiting hole (5-1), and the rotating plate (5) is provided with a machining through hole (5-4) at the center position. A pair of positioning plates (6) are detachably arranged on the rotating plate (5), the rotating plate (5) is provided with a pair of insertion holes (5-3), and each of the positioning plates (6) is provided with a positioning pin (6-1) arranged in the insertion hole (5-3). The rotating plate (5) is provided with a pair of third internal thread holes (5-2), each of the positioning plates (6) is provided with a second connecting through hole (6-2), and the positioning plate (6) is arranged on the rotating plate (5) by penetrating an internal hexagonal cylindrical head screw into the second connecting through hole (6-2) and threadedly connecting the third internal thread hole (5-2).

2. The fixed tooling for precisely reaming an internal hole according to claim 1, wherein The fixed plate (3) is provided with a plurality of first connecting through holes (3-3), the top of the positioning column (1) is provided with a plurality of first internal thread holes (1-1), and the fixed plate (3) is arranged on the positioning column (1) by penetrating an internal hexagonal cylindrical head screw into the first connecting through hole (3-3) and threadedly connecting the first internal thread hole (1-1).

3. The fixed tooling for precisely reaming an internal hole according to claim 1, wherein ​

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