CN204294784U - Comprise the device of punch components and build-up member - Google Patents

Abstract

The utility model provides a kind of device comprising punch components and build-up member, it is for assembling cam and axle, wherein on the surface of axle securing cam, be formed locally at least one protuberance by punching press, flat surfaces is formed with the protuberance close contact with axle at the inside diameter of cam, cam is inserted in axle, making the protuberance of the cam when inserting can not the flat surfaces of overlapping axle, making axle rotate to assemble forcibly along a direction, can automatically assemble cam and axle thus.

Description

Comprise the device of punch components and build-up member

Technical field

The utility model relates to a kind of device comprising punch components and build-up member, it is for assembling cam and axle, more particularly, relate to a kind of device for assembling cam and axle, wherein be formed locally at least one protuberance on the surface by the axle that punching press is securing cam, flat surfaces is formed with the protuberance close contact with axle at the inside diameter of cam, cam is inserted in axle, make the protuberance of the cam when inserting can not the flat surfaces of overlapping axle, make axle rotate to assemble forcibly along a direction, can automatically assemble cam and axle thus.

Background technology

Usually, camshaft comprises multiple cam, this cam has the out of phase (phase) be arranged at predetermined intervals on its axle, the revolving force that camshaft is configured to receive bent axle repeatedly rotates, and regulate opening/closing time of the air-breathing/air bleeding valve of combustion chamber with accurate timed periodic, thus drive engine continuously.

The camshaft of this correlation technique is the overall rod-type that its cam and axle are manufactured from the same material.In this case, cam and axle are manufactured by iron casting and steel alloy forging.

But, because manufacture method needs the surface of solidifying cam, Technology for Heating Processing should be performed by various method.Difficulty in the environmental requirement caused due to Technology for Heating Processing and manufacturing technology, easily can not realize automation, reduce productivity ratio.

Additionally, can not easily utilize the camshaft of the method manufacture of related art to reduce the weight of engine, this can bring various shortcoming, as improved the restriction of fuel efficiency, the difficulty of waste gas control, the difficulty in the design freedom of part shape and the difficulty in the free degree of Material selec-tion etc.

In order to solve the problem relevant to camshaft, provide a kind of and by various method, independent cam is coupled to quill shaft and the prefabricated camshaft obtained, this quill shaft has predetermined thickness and length.

Compare with integrated camshaft, because prefabricated hollow camshaft significantly can reduce weight, and cam and axle can be formed by different materials according to another properties of materials and be coupled to each other, and this hollow camshaft can use in little light vehicle.

Additionally, due to various advantage, as high-performance, high efficiency, process modification etc., recently, cam is assembled and axle manufactures camshaft by machining cam respectively and axle, instead of by traditional manufacture method, as iron casting.

But when prefabricated camshaft is by manual or the assembling of use automatic assembling machine, manufacture prefabricated camshaft consuming time, therefore manufacturing cost increases.

Utility model content

In order to address these problems, the utility model aims to provide a kind of assembling device, wherein by the surface of ram axle, at least one protuberance is formed locally on the surface at the axle securing cam, flat surfaces is formed with the protuberance close contact with axle at the inside diameter of cam, cam is inserted in axle, make the protuberance of the cam when inserting can not the flat surfaces of overlapping axle, and make axle rotate to assemble forcibly along a direction, cam and axle be can automatically assemble thus, and machinability and productivity ratio improve.

In order to realize above-mentioned aspect, the utility model provides a kind of device comprising punch components and build-up member, this device is for assembling cam and axle, it comprises: punch components, it is configured to upper end axle being fixed on framework, certain power is applied to the surface of axle, to form protuberance while rotating shaft, and build-up member, it is configured to the axle fixedly with the protuberance formed from the teeth outwards by punch components, and sequentially cam is inserted in axle, then axle is made to rotate along a direction, with compression and the protuberance of assembled shaft and the flat surfaces of cam, wherein punch components has and is formed in its two ends and the fixture being configured to fixed axis, be arranged on the side of fixture and be configured to motor that fixture is rotated, and be arranged on the upper end of fixture and be configured to left, to the right, the ram frame of movement up and down, build-up member has the rotary body being configured to the axle that punch components is processed to insert regularly, be arranged in side and be configured to accommodate and supply cam feed unit, and be configured on the axle identical with rotary body, rise and decline to pressurize and the steady pin of the upper end of fixed axis, and feed unit has and wherein accommodates cam the rotating member be inserted in axle, be connected to axle and the second motor being configured to rotating member is rotated and chain or belt, and be formed in the two ends of axle and be configured to make the push rod of the cam movement on axle be housed in rotating member.

Accompanying drawing explanation

Fig. 1 depicts the front view according to the device for assembling cam and axle of the present utility model;

Fig. 2 depicts the partial enlarged drawing of the punch components according to assembling device of the present utility model;

Fig. 3 depicts and fixes the view with ram axle by punch components;

Fig. 4 depicts the view of the axle by punch components punching press;

Fig. 5 depicts the partial enlarged drawing of the build-up member according to assembling device of the present utility model;

Fig. 6 depicts the view of cam supply;

Fig. 7 depicts by the view according to assembling device assembling cam of the present utility model and axle; And

Fig. 8 depicts the view of the camshaft by completing assembling according to assembling device of the present utility model.

Detailed description of the invention

Hereinafter, embodiment of the present utility model will be described with reference to the drawings.

In the following description, in the following description, when determining that the specific descriptions of known function or structure may make purport of the present utility model fuzzy, detailed description will be omitted.In addition, terminology used here should not be interpreted as being limited to traditional or dictionary definition, but the principle that the concept that should suitably can define term based on inventor describes best mode of the present utility model is interpreted as implication according to technical spirit of the present utility model and concept.

Hereinafter, with reference to Fig. 1 and 3, the assembling device according to embodiment of the present utility model is described.

Fig. 1 depicts the front view according to the device for assembling cam and axle of the present utility model.Assembling device 100 of the present utility model comprises punch components 200 and build-up member 300, this punch components is configured to side axle 10 being fixed on framework 1, certain power is applied to the surface of axle 10 while rotating shaft 10, ram axle 10 is to form protuberance 11, this build-up member is configured to the axle 10 fixedly with the protuberance 11 formed from the teeth outwards by punch components 200, and sequentially insert and stationary cam 20 in axle 10.

Fig. 2 depicts the partial enlarged drawing of the punch components according to assembling device of the present utility model, and Fig. 3 depicts and fixes the view with ram axle by punch components.Punch components 200 comprise be arranged on its two ends and be configured to fixed axis 10 fixture 230, be arranged on fixture 230 side and be configured to the first motor 220 of rotating shaft 10, and be configured to rise or drop to upper end and apply the ram frame 210 of certain power to axle 10, axle 10 is arranged in described upper end.

Here, be configured to fixed axis 10 and the first motor 220 fixture 230 is fixed on punch die, this punch die is formed as moving forward and backward.

Fig. 4 depicts the view of the axle by punch components punching press.When ram frame 210 declines to apply certain power to carry out punching press to the surface of fixed axis 10, protuberance 11 is outstanding certain height on the surface of axle 10.

Fig. 5 depicts the partial enlarged drawing of the build-up member according to assembling device of the present utility model, and Fig. 6 depicts the view of cam supply.Build-up member 300 comprise the axle 10 being configured to punch components 200 to process insert regularly the upper end of the first framework 1 rotary body 310, be arranged on the upper end of the first framework 1 the second framework 2, be arranged on upper end and be configured to accommodate and the feed unit 330 of supply cam 20, and be configured to the steady pin 320 that rises on the axle identical with fixed axis 10 with rotary body 310 or decline.

When supplying cam 20 from feed unit 330, rotary body 310 reduction supply cam 20 and steady pin 320 are with the upper end of extrusion axis 10, and when cam 20 arrives selected position, make rotary body 310 rotate the axle 10 be securely fixed on cam 20 along a direction.

Meanwhile, the rotating member 331 that feed unit 330 is arranged so that wherein to have accommodated cam 20 is inserted in axle 332 regularly, and the second motor 333, chain or belt are connected to axle 332, rotates to make rotating member 331.

Additionally, push rod 334 is formed in the two ends of axle 10, and is configured to the cam 20 be housed in rotating member 331 is moved on axle 10.

As shown in Figure 7, when being inserted in axle 10 by cam 20, rotary body 310 rotates together with axle 10, when be formed in the protuberance 11 on axle 10 surface be placed in be formed at cam 20 flat surfaces 22 on time, protuberance 11 is firmly fixed by compression.

Here, the flat surfaces 22 that the inner periphery of cam 20 is formed is formed in by cam manufacturing process.

Then, will describe according to the action of assembling device of the present utility model and mode of operation.

As shown in figs. 1 and 3, first, axle 10 is fixedly mounted on the fixture 230 of punch components 200.In this condition, when with operating unit (not shown) setting device, the punch die it securing fixture 230 and the first motor 220 is arranged in ram frame 210, and ram frame 210 drops to axle 10 to apply certain power to this surface to start punching press.Here, the first motor 220 is rotated to set angle (performing the angle of punching press on the surface of the shaft).

In addition, ram frame 210 moves left and right, and with the whole axle of punching press, the surface of axle 10 forms the protuberance 11 of certain altitude.

The axle 10 with the protuberance 11 be formed on surface is supplied to assembling device 300 manually or automatically.At this, the axle 10 be supplied to is inserted and is fixed in rotary body 310.

In this state, when operating build-up member 300, cam 20 is supplied to axle 10 from feed unit 330.When the cam 20 supplied to be inserted in axle 10 and to arrive suitable position, the axle 10 that rotary body 310 rotates to make to couple with it rotates.Here, the protuberance 11 be formed on the outer peripheral edge of axle 10 arrives the flat surfaces 22 of cam 20 and pressurized and be fitted thereon.

Meanwhile, when cam 20 is inserted into and is reduced in axle 10, steady pin 320 declines simultaneously and holds the upper end of axle 10.When cam 20 is fixed in position and support (not shown) rises, steady pin 320 also rises.

In addition, the second motor 333 is rotated to make rotating member 331 to rotate, thus the cam 20 that supply needs.Selected cam 20 is supplied on axle 10 by push rod 334.

As shown in Figure 8, when inserting cam 20 by said method order, camshaft 30 is completed.

As it can be seen from the above ground, punching press is carried out to the surface of the axle it securing cam, to be partially formed at least one protuberance at circumferencial direction, flat surfaces is formed to be fixed on the protuberance of axle at the inside diameter of cam, the protuberance of cam being inserted the flat surfaces of the not overlapping axle when inserting in axle, then making axle rotate to fix forcibly and be fitted thereon in a direction.Therefore, the power that couples between cam and axle increases, and can improve machinability and productivity ratio, and then stablize its quality.

It will be apparent to those skilled in the art that under the condition not departing from spirit or scope of the present utility model, various amendment can be carried out to above-mentioned exemplary embodiment of the present utility model.Therefore, it is intended that the utility model and covers all this kind of amendments, if they drop on enclose claim and equivalent thereof scope within.

Claims (1)

1. comprise a device for punch components and build-up member, this device is for assembling cam and axle, and it comprises:

Punch components (200), it is configured to the upper end the first axle (10) being fixed on framework (1), certain power is applied to the surface of the first axle (10), to form protuberance (11) while rotation first axle (10); With

Build-up member (300), it is configured to first axle (10) fixedly with the protuberance (11) formed from the teeth outwards by punch components (200), and sequentially cam (20) is inserted in the first axle (10), then the first axle (10) is made to rotate along a direction, to compress and to assemble the protuberance (11) of the first axle (10) and the flat surfaces (22) of cam (20)

Wherein punch components (200) has the fixture (230) being formed in its two ends and being configured to fix the first axle (10), the side being arranged on fixture (230) be configured to motor (220) that fixture (230) is rotated, and be arranged on fixture (230) upper end and be configured to left, to the right, the ram frame (210) of movement up and down

Build-up member (300) has rotary body (310) that the first axle (10) of being configured to punch components (200) to process inserts regularly, be arranged in side and be configured to accommodate and the feed unit (330) of supply cam (20), and be configured to rise on the axle identical with rotary body (310) and decline to pressurize and fix the steady pin (320) of upper end of the first axle (10), and

Feed unit (330) has wherein accommodates cam (20) and is inserted into rotating member (331) in the second axle (332), is connected to the second axle (332) and the second motor (333) being configured to rotating member (331) is rotated and chain or belt, and is formed in the two ends of the first axle (10) and is configured to make to be housed in the push rod (334) of the cam (20) in rotating member (331) in the upper movement of the first axle (10).