CN112008116A - Axial aperture integrated processing device for pairing crank - Google Patents

Abstract

The invention discloses an axial hole diameter integrated processing device for pairing cranks. A pair of V-shaped positioning blocks are arranged on the side, the V-shaped positioning blocks include a first positioning rod and a second positioning rod, and the other side of the flat plate is provided with a pair of clamping devices. The axial hole diameter integrated processing device of the paired crank of the invention can quickly and efficiently complete the axial hole diameter processing of the crank, and combines multiple processing procedures to improve the product processing efficiency. Through one clamping, the product processing qualification rate is improved. Through the positioning of the center hole, the product finishing process solves the problem that the product cannot meet the dynamic balance requirements depending on the positioning of the blank size, improves the quality, saves the cost of labor and consumables, improves the production efficiency, and realizes the modernization, digitization and less labor of crank parts processing. processing mode.

Description

An Axial Hole Integrated Machining Device for Matching Cranks

technical field

The invention relates to a drilling processing device for crank parts, more specifically, an integrated processing device for the axial hole diameter of a pair of cranks.

Background technique

The split crankshaft connecting rod assembly products are assembled by cranks, connecting rods, crank pins and bearings, among which the crank as an important supporting part is composed of a paired left crank and right crank, also called upper crank and lower crank. Due to structural requirements, deep oil holes and threaded holes are designed for the center hole positions of some paired cranks. In the original process, firstly, the left crank and right crank were drilled and tapped on the center equipment to complete the end face of the body and drill the center hole. Processing, and then complete the processing of deep oil holes and threaded bottom holes respectively through gun drilling equipment, which is divided into 4 to 5 processes. This production method is relatively primitive, and the center hole for processing is positioned with the blank surface, which cannot guarantee the stability of finishing. , can not meet the dynamic balance requirements of crankshaft products, and the cost of labor, consumables, processing rhythm is also high, which is not conducive to large-scale, high-efficiency modern production, and cannot meet large-scale orders.

SUMMARY OF THE INVENTION

The present invention mainly solves the technical problems existing in the prior art, so as to provide an integrated machining device for the axial hole diameter of a pair of cranks.

The above-mentioned technical problems of the present invention are mainly solved by the following technical solutions:

An axial hole diameter integrated processing device for paired cranks, characterized in that the axial hole diameter integrated processing device for paired cranks includes a machine tool equipment table, and a machine tool equipment table is provided with a The disassembled tablet device, one side of the tablet device is provided with a first connecting plate and a first motor, the other side of the tablet device is provided with a second connecting plate and a second motor, the first A motor is fixed on the machine tool table through a first support block, the second motor is fixed on the machine tool table through a second support block,

The flat plate device includes a flat plate, one side of the flat plate is provided with a pair of V-shaped positioning blocks, the V-shaped positioning blocks include a first positioning rod and a second positioning rod, and the other side of the flat plate is provided with a pair of V-shaped positioning blocks. One side is provided with a pair of clamping devices, the clamping devices include three pressing plates, and a pair of circular platforms is arranged in the middle of the flat plate,

The center of the circular platform is provided with a central hole, and the circular platform is provided with a first support block, a second support block, a third support block, a fourth support block and a fifth support block. The plate is provided with a pair of large holes penetrating through, and the large holes are concentric with the central hole.

As a preferred embodiment of the present invention, the flat plate is provided with a rotatable limit rod.

The integrated machining device for the axial bore diameter of the paired crank of the present invention has the following advantages: the integrated machining device for the axial bore diameter of the paired crank of the present invention can quickly and efficiently complete the machining of the axial bore diameter of the crank, combines multiple machining processes, and improves the Product processing efficiency, through one clamping, the qualified rate of product processing is improved, and the subsequent product finishing is positioned through the center hole, which solves the problem that the product cannot meet the dynamic balance requirements depending on the positioning of the blank size, improves the quality, and saves labor and consumables cost, improve production efficiency, and realize the modernization, digitization and less labor-intensive processing mode of crank parts processing.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic three-dimensional structural diagram of an integrated processing device for axial bore diameter of a pair of cranks according to the present invention;

FIG. 2 is a schematic three-dimensional structure diagram of a flat plate device of the processing device in FIG. 1;

3 is an exploded schematic diagram of the three-dimensional structure of the tablet device in FIG. 2;

4 is a further three-dimensional schematic diagram of the processing device in FIG. 1;

Fig. 5 is a further three-dimensional structural schematic diagram of the processing device in Fig. 1;

Fig. 6 is the structure sectional view of the existing crank, this crankshaft is long;

Fig. 7 is the three-dimensional structure schematic diagram of the crankshaft in Fig. 6;

Fig. 8 is a three-dimensional schematic diagram of the crankshaft in Fig. 6;

FIG. 9 is a structural cross-sectional view of another conventional crankshaft, and the crankshaft is short.

Detailed ways

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the protection scope of the present invention can be more clearly defined.

As shown in FIG. 1 to FIG. 9 , the axial hole diameter integrated processing device T for matching cranks includes a machine tool equipment table R, and a detachable flat plate device C is arranged on the machine tool equipment table R. The flat plate device C A first connecting plate E and a first motor X are arranged on one side of the flat device C, and a second connecting plate F and a second motor Y are arranged on the other side of the flat device C. The first motor X passes through a first supporting block M is fixed on the machine tool table R, and the second motor Y is fixed on the machine tool table R through a second support block N.

The flat plate device C includes a flat plate D. One side of the flat plate D is provided with a pair of V-shaped positioning blocks 1. The V-shaped positioning blocks 1 include a first positioning rod 11 and a second positioning rod 12. The other side of the flat plate D is One side is provided with a pair of clamping devices E, the clamping device E includes three pressing plates E1, and a pair of circular truncated cones G are arranged in the middle of the flat plate D.

The center of the circular table G is provided with a central hole G0 , the circular table G is provided with four support blocks G1 , the flat plate D is provided with a pair of large holes D1 penetrating through, the large holes D1 are concentric with the central hole G0 .

The plate D is provided with a rotatable limit rod P.

The specific implementation method of the integrated device for machining the axial hole diameter of the paired crank is described below. The steps are:

S1, take the crank B, place the crank B on the round table G, keep the first support block G1, the second support block G2, and the fifth support block G5 of the round table to support the first bottom surface 21, the second ground surface 22, There are three places on the third ground 23, the third support block G3 and the fourth support block G4 two support blocks against the first fan surface 24 and the second fan surface 25 of the solid crank B;

S2. Turn on the start button, the first positioning rod 11 and the second positioning rod 12 of the V-shaped positioning block 1 press against the outer circle Q of the crank B respectively, and the pressing plate E1 rotates to the end face L of the crank B and downwards Press down, the limit rod P automatically rotates to the space between the two cranks; the tool goes down, and starts to process the b surface and the B1, B3 apertures; after finishing the machining, the tool goes up, the plate device C180° rotates, and the bottom surface of the plate device C faces up, Keep the horizontal position, the tool goes down, and the hole B2 is machined through the big hole D1;

S3. The machining is completed, the tool goes up, the pressing plate E1 is released and rotated to reset, and the limit rod P is reset to the top of the crank B;

S4. After ensuring that the equipment stops running, remove the crank B that has been processed for the axial hole diameter;

Crank A is processed in the same way. It should be noted that the length of crank A is slightly shorter than that of crank B. Crank A and crank B are processed simultaneously.

The axial hole diameter integrated processing device of the paired crank of the present invention can quickly and efficiently complete the axial hole diameter processing of the crank, combines multiple processing procedures, improves the product processing efficiency, and improves the qualified rate of product processing through one clamping. Product finishing is positioned by the center hole, which solves the problem that the product cannot meet the dynamic balance requirements depending on the positioning of the blank size, improves the quality, saves the cost of labor and consumables, improves the production efficiency, and realizes the modernization, digitization and less labor of crank parts processing. processing mode.

Not limited to this, any changes or substitutions that are not thought of through creative work should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope defined by the claims.

Claims (2)

1. The integrated machining device for the axial aperture of the paired crank is characterized in that the integrated machining device (T) for the axial aperture of the paired crank comprises a machine tool equipment workbench (R), a detachable flat plate device (C) is arranged on the machine tool equipment workbench (R), a first connecting plate (E) and a first motor (X) are arranged on one side of the flat plate device (C), a second connecting plate (F) and a second motor (Y) are arranged on the other side of the flat plate device (C), the first motor (X) is fixed on the machine tool equipment workbench (R) through a first supporting block (M), the second motor (Y) is fixed on the machine tool equipment workbench (R) through a second supporting block (N),

the flat plate device (C) comprises a flat plate (D), one side of the flat plate (D) is provided with a pair of V-shaped positioning blocks (1), each V-shaped positioning block (1) comprises a first positioning rod (11) and a second positioning rod (12), the other side of the flat plate (D) is provided with a pair of clamping devices (E), each clamping device (E) comprises three pressing plates (E1), the middle of the flat plate (D) is provided with a pair of round tables (G),

the center of round platform (G) be equipped with a centre bore (G0), round platform (G) on be equipped with a first supporting block (G1), a second supporting block (G2), a third supporting block (G3), a fourth supporting block (G4) and a fifth supporting block (G5), dull and stereotyped (D) on be equipped with a pair of macropore (D1) that run through, macropore (D1) with centre bore (G0) concentric.

2. The integrated processing device for the axial bore diameter of a mating crank according to claim 1, characterized in that the flat plate (D) is provided with a rotatable stop lever (P).

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