CN215146682U

CN215146682U - Crankshaft end milling and end face punching structure with center holes in two ends

Info

Publication number: CN215146682U
Application number: CN202121552559.7U
Authority: CN
Inventors: 曾品利
Original assignee: Chongqing Ducheng Rongfeng Machinery Manufacturing Co ltd
Current assignee: Chongqing Ducheng Rongfeng Machinery Manufacturing Co ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2021-12-14
Anticipated expiration: 2031-07-08

Abstract

The utility model discloses a crankshaft end milling and punching structure with two-end center holes, which comprises a frame body, wherein the frame body is provided with a first drilling unit and a second drilling unit, and a positioning unit is arranged between the first drilling unit and the second drilling unit; the first V-shaped clamp comprises a movable plate, the lower end of the movable plate is connected with a base plate in a sliding mode through a sliding rail, a third motor is arranged on the base plate, an output shaft of the third motor is connected with a second screw rod, the other end of the second screw rod is rotatably connected with the positioning seat, a connecting block is arranged at the lower end of the movable plate, and the connecting block is sleeved on the second screw rod and is in threaded connection with the second screw rod; the movable plate is provided with a V-shaped clamping block; the two first V-shaped clamps are symmetrically arranged; on the one hand, the utility model improves the positioning effect and the punching quality; on the other hand, the labor intensity of operators is reduced; on the other hand, the consistency of concentricity is improved. The novel steel pipe has the advantages of low transformation cost, convenience in use, difficulty in damage and the like.

Description

Crankshaft end milling and end face punching structure with center holes in two ends

Technical Field

The utility model relates to a structure of punching, specifically speaking, in particular to bent axle mills terminal surface and beats both ends centre bore structure.

Background

When the existing crankshaft is milled to form central holes at two ends of the end face, the central holes are positioned manually, and then punching is carried out by an operator holding punching equipment, so that on one hand, the punching mode has the defect that the punching quality cannot be guaranteed due to poor positioning effect; on the other hand, the positioning and the punching are finished by operators, so that the labor intensity is high; on the other hand, the excircle and the end face of the flange cannot be turned, and the consistency of the position degree and the concentricity of the central hole is poor.

Therefore, the technical problem to be solved by the present invention is to provide a crankshaft end milling and center hole punching structure.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defect of prior art, the utility model aims to solve the technical problem that a bent axle that can effectively solve above-mentioned technical problem mills the terminal surface and beats both ends centre bore structure is provided.

In order to achieve the purpose, the utility model provides a crankshaft end milling and punching structure with two end center holes, which comprises a frame body, wherein a first drilling unit and a second drilling unit are arranged on the frame body, and a positioning unit is arranged between the first drilling unit and the second drilling unit;

the positioning unit comprises a base plate, the base plate is movably arranged on a slide way of the frame body and driven by the pushing unit, and a first V-shaped clamp and a second V-shaped clamp are symmetrically arranged on the base plate;

the first V-shaped clamp comprises a movable plate, the lower end of the movable plate is connected with the base plate in a sliding mode through a sliding rail, a third motor is arranged on the base plate, an output shaft of the third motor is connected with a second screw rod, the other end of the second screw rod is rotatably connected with the positioning seat, a connecting block is arranged at the lower end of the movable plate, and the connecting block is sleeved on the second screw rod and is in threaded connection with the second screw rod; the movable plate is provided with a V-shaped clamping block; the number of the first V-shaped clamps is two, and the two first V-shaped clamps are symmetrically arranged;

the substrate is provided with two auxiliary V-shaped supporting blocks, each auxiliary V-shaped supporting block is positioned between the first V-shaped clamp and the second V-shaped clamp, and a centering positioning unit is arranged between the auxiliary V-shaped supporting blocks;

and each second V-shaped clamp has the same structure as each first V-shaped clamp.

Preferably, the first positioning unit comprises a headstock, the headstock is arranged on the frame body, a rotary disc is arranged on the inner side of the headstock, one end of the rotary disc is connected with a power source in the headstock, a flange excircle turning tool bit, a flange centering drill bit and a flange turning end face tool bit are arranged at the other end of the rotary disc, and the flange turning end face tool bit is located between the flange excircle turning tool bit and the flange centering drill bit.

Preferably, the second drilling unit comprises a fixed plate, the fixed plate is slidably connected with the frame body through the slide and is driven by a driving unit, the driving unit is arranged on the frame body, a first motor is arranged on the fixed plate, and a tailstock center hole drilling center drill bit is arranged on an output shaft of the first motor.

Preferably, the driving unit comprises a fixed seat, an air cylinder is arranged on the fixed seat, and a piston rod of the air cylinder is connected with the lower end of the fixed plate and used for driving the fixed plate.

Preferably, the pushing unit includes a first screw rod and a guide rod, each of the slides is located between the first screw rod and the guide rod, the guide rod and the first screw rod are connected with the lower end of the base plate in a sliding manner through each connecting seat, two ends of the guide rod are connected with the frame body respectively, two ends of the first screw rod are connected with the frame body in a rotating manner and driven by a second motor, and the second motor is arranged on the frame body.

Preferably, the outer side of the V-shaped clamping block is connected with an installation seat, the installation seat is arranged on the installation block, the installation block is detachably connected with the movable plate, and a V-shaped opening is formed in the inner side of the V-shaped clamping block.

The utility model has the advantages that: on the one hand, the utility model improves the positioning effect and the punching quality; on the other hand, the labor intensity of operators is reduced; on the other hand, the consistency of concentricity is improved. The novel steel pipe has the advantages of low transformation cost, convenience in use, difficulty in damage and the like.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic view of a part a of fig. 1.

Fig. 3 is a schematic view of a part of the enlarged structure at B in fig. 1.

Fig. 4 is a schematic view of the connection structure of the rotary disk and the turning flange end tool bit.

Detailed Description

The invention will be further explained with reference to the following figures and examples:

in the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 4, a crankshaft end milling and end hole drilling structure comprises a frame body 1, wherein a first drilling unit 2 and a second drilling unit 3 are arranged on the frame body 1, and a positioning unit 5 is arranged between the first drilling unit 2 and the second drilling unit 3; the utility model provides a positioning unit 5 can dismantle the connection and can carry out corresponding position control according to the in-service use needs.

The positioning unit 5 comprises a base plate 6, the base plate 6 is movably arranged on a slide 7 positioned on the frame body 1 and driven by a pushing unit 8, and a first V-shaped clamp 9 and a second V-shaped clamp 10 are symmetrically arranged on the base plate 6;

the first V-shaped clamp 9 comprises a movable plate 11, the lower end of the movable plate 11 is slidably connected with the substrate 6 through a slide rail 12, a third motor 13 is arranged on the substrate 6, an output shaft of the third motor 13 is connected with a second screw 15, the other end of the second screw 15 is rotatably connected with a positioning seat 16, a connecting block 17 is arranged at the lower end of the movable plate 11, and the connecting block 17 is sleeved on the second screw 15 and is in threaded connection with the second screw 15; the movable plate 11 is provided with a V-shaped clamp block 18; the number of the first V-shaped clamps 9 is two, and the two first V-shaped clamps 9 are symmetrically arranged;

two auxiliary V-shaped supporting blocks 19 are arranged on the base plate 6, each auxiliary V-shaped supporting block 19 is positioned between the first V-shaped clamp 9 and the second V-shaped clamp 10, and a centering positioning unit 5 is arranged between the auxiliary V-shaped supporting blocks 19;

each of the second V-shaped clamps 10 has the same structure as each of the first V-shaped clamps 9.

First positioning unit 5 includes headstock 20, headstock 20 sets up on the support body 1, the inboard of headstock 20 is provided with rolling disc 21, the one end and the setting of rolling disc 21 are in power supply in the headstock 20 is connected, the other end of rolling disc 21 is provided with flange excircle turning tool bit 22, flange centering hole drill bit 26 and turning flange terminal surface tool bit 23, turning flange terminal surface tool bit 23 is located flange excircle turning tool bit 22 with the flange is beaten between the centering hole drill bit 26.

The second drilling unit 3 comprises a fixing plate 27, the fixing plate 27 is driven by the slide 7 and the frame body 1 in a sliding manner and a driving unit 28, the driving unit 28 is arranged on the frame body 1, a first motor 29 is arranged on the fixing plate 27, and a tailstock center hole drilling center drill bit 30 is arranged on an output shaft of the first motor 29.

The driving unit 28 comprises a fixed seat 31, an air cylinder 32 is arranged on the fixed seat 31, and a piston rod of the air cylinder 32 is connected with the lower end of the fixed plate 27 and is used for driving the fixed plate 27.

The pushing unit 8 comprises a first screw 33 and guide rods, each slide 7 is located between the first screw 33 and the guide rods, the guide rods and the first screw 33 are connected with the lower end of the base plate 6 in a sliding mode through connecting seats 36, two ends of each guide rod are connected with the frame body 1 respectively, two ends of each first screw 33 are connected with the frame body 1 in a rotating mode and driven by a second motor, and the second motor is arranged on the frame body 1. The outer side of the V-shaped clamping block 18 is connected with an installation seat 50, the installation seat 50 is arranged on an installation block 51, the installation block 51 is detachably connected with the movable plate 11, and a V-shaped opening 52 is arranged on the inner side of the V-shaped clamping block 18.

When in actual use, for further reduce cost, the old-fashioned lathe of support body 1 accessible is reformed transform and is formed, specifically does, removes the well planker upper portion thing of the C620 lathe of an old-fashioned, installs afterwards the utility model provides a positioning unit also can change the lead screw of former big planker into ball screw and realize that numerical control is controlled and is removed.

The working principle of the utility model is as follows:

at first place the bent axle blank on two supplementary V-arrangement supporting shoes 19, support the bent axle blank through two supplementary V-arrangement supporting shoes 19, drive fly leaf 11 through each third motor 13 and remove, thereby make its each second V-arrangement anchor clamps 10 and each first V-arrangement anchor clamps 9 remove to opposite direction and press from both sides tightly the product, base plate 6 can remove along the length direction of support body 1 through pushing unit 8, fixed plate 27 removes along the length direction of frame 1 through drive unit 28, process the cramped product through starting first drilling unit 2 and second drilling unit 3, when the in-service use, in order to further improve stability, still can set up the guide post that is used for leading to the fixed plate on frame 1.

After the equipment is reformed, the labor intensity of workers is reduced, the working stability is good, the labor efficiency is high, the product quality is guaranteed, the flange outer circle and the end face (axial reference) are processed and finished simultaneously, and the original two processes are combined into one process. Completely meets the technical design requirements.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. The utility model provides a bent axle mills terminal surface and beats both ends centre bore structure which characterized by: the drilling device comprises a frame body (1), wherein a first drilling unit (2) and a second drilling unit (3) are arranged on the frame body (1), and a positioning unit (5) is arranged between the first drilling unit (2) and the second drilling unit (3);

the positioning unit (5) comprises a base plate (6), the base plate (6) is movably arranged on a slide way (7) of the frame body (1) and is driven by a pushing unit (8), and a first V-shaped clamp (9) and a second V-shaped clamp (10) are symmetrically arranged on the base plate (6);

the first V-shaped clamp (9) comprises a movable plate (11), the lower end of the movable plate (11) is connected with the base plate (6) in a sliding mode through a sliding rail (12), a third motor (13) is arranged on the base plate (6), an output shaft of the third motor (13) is connected with a second screw rod (15), the other end of the second screw rod (15) is rotatably connected with a positioning seat (16), a connecting block (17) is arranged at the lower end of the movable plate (11), and the connecting block (17) is sleeved on the second screw rod (15) and is in threaded connection with the second screw rod (15); a V-shaped clamping block (18) is arranged on the movable plate (11); the number of the first V-shaped clamps (9) is two, and the two first V-shaped clamps (9) are arranged symmetrically;

two auxiliary V-shaped supporting blocks (19) are arranged on the base plate (6), each auxiliary V-shaped supporting block (19) is positioned between the first V-shaped clamp (9) and the second V-shaped clamp (10), and a centering positioning unit (5) is arranged between the auxiliary V-shaped supporting blocks (19);

each second V-shaped clamp (10) is identical to each first V-shaped clamp (9) in structure.

2. The crankshaft end milling and hole punching structure for the two ends as claimed in claim 1, wherein: positioning unit (5) include headstock (20), headstock (20) set up on support body (1), the inboard of headstock (20) is provided with rolling disc (21), the one end and the setting of rolling disc (21) are in power supply in headstock (20) is connected, the other end of rolling disc (21) is provided with flange excircle turning tool bit (22), flange centering drill bit (26) and turning flange terminal surface tool bit (23), turning flange terminal surface tool bit (23) are located flange excircle turning tool bit (22) with the flange centering between drill bit (26).

3. The crankshaft end milling and hole punching structure for the two ends as claimed in claim 1, wherein: second drilling unit (3) are including fixed plate (27), fixed plate (27) pass through slide (7) with but support body (1) sliding connection drives through drive unit (28), drive unit (28) set up on support body (1), be provided with first motor (29) on fixed plate (27), be provided with the tailstock on the output shaft of first motor (29) and beat central hole center drill bit (30).

4. The crankshaft end milling and hole punching structure for the two ends as claimed in claim 3, wherein: the driving unit (28) comprises a fixed seat (31), an air cylinder (32) is arranged on the fixed seat (31), and a piston rod of the air cylinder (32) is connected with the lower end of the fixed plate (27) and used for driving the fixed plate (27).

5. The crankshaft end milling and hole punching structure for the two ends as claimed in claim 3, wherein: the pushing unit (8) comprises a first screw rod (33) and a guide rod, each slide way (7) is located between the first screw rod (33) and the guide rod, the guide rod is connected with the first screw rod (33) through connecting seats (36) and the lower end of the base plate (6) in a sliding mode, two ends of the guide rod are connected with the frame body (1) respectively, two ends of the first screw rod (33) are connected with the frame body (1) in a rotating mode and driven by a second motor, and the second motor is arranged on the frame body (1).

6. The crankshaft end milling and hole punching structure for the two ends as claimed in claim 1, wherein: the outer side of the V-shaped clamping block (18) is connected with an installation seat (50), the installation seat (50) is arranged on an installation block (51), the installation block (51) is detachably connected with the movable plate (11), and a V-shaped opening (52) is formed in the inner side of the V-shaped clamping block (18).