CN111250298B

CN111250298B - Surface coating equipment and process for spline shaft of transmission shaft

Info

Publication number: CN111250298B
Application number: CN202010103041.9A
Authority: CN
Inventors: 陈伟平; 吴远铎; 李福生; 郑勤志; 陈松兴; 万勇
Original assignee: Fujian Feist Forging Products Co ltd
Current assignee: Fujian Feist Forging Products Co ltd
Priority date: 2020-02-19
Filing date: 2020-02-19
Publication date: 2021-01-26
Anticipated expiration: 2040-02-19
Also published as: CN111250298A

Abstract

The invention discloses surface coating equipment for a spline shaft of a transmission shaft, which comprises an integration block, an assembly plate and a coating plate, wherein the integration block is arranged in a concave shape, an integration device is arranged on the integration block, the assembly plate comprises two plate bodies, a conveying belt which is the same as the conveying belt is electrically connected between the two plate bodies, a movable block is fixedly connected to one end of the assembly plate, a drying device and a coating device are arranged on the assembly plate, a leakage cavity is arranged on the movable block, a coating groove is formed in the leakage cavity, the surface from the leakage cavity to the port of the coating groove is arranged in an inclined manner, and the coating groove is positioned at the lowest position of the leakage cavity. According to the invention, through the interaction of the limiting rod, the straight spring, the driving motor and other mechanisms, the limiting block moves left and right, so that high-frequency shaking is generated, a large number of spline shafts placed on the integration block can enter the conveying belt due to continuous vibration, and thus, the conveying is facilitated, and meanwhile, the operation procedures of workers are reduced.

Description

Surface coating equipment and process for spline shaft of transmission shaft

Technical Field

The invention relates to the technical field of spline shaft manufacturing, in particular to surface coating equipment and a surface coating process for a spline shaft of a transmission shaft.

Background

The spline shaft is a mechanical transmission type, has the same functions as a flat key, a semicircular key and an inclined key and is used for transmitting mechanical torque, a longitudinal key groove is formed in the outer surface of the shaft, and a rotating part sleeved on the shaft is also provided with a corresponding key groove which can keep synchronous rotation with the shaft. While rotating, some of them can slide on the shaft longitudinally, such as the gear shifting gear of the gear box.

Coating the spline shaft with nylon prior to manufacture reduces damage in use, but current coating equipment has the following drawbacks: firstly, the spline shaft is soaked in coating liquid to realize coating, and then the spline shaft is taken out, so that the coating is uneven and the material is wasted; secondly, the spline shafts need to be placed one by workers, and the workload is increased.

Disclosure of Invention

The invention aims to solve the following defects in the prior art, firstly, the spline shaft is soaked in coating liquid to realize coating, and then the spline shaft is taken out, so that the coating is not uniform and the material is wasted; secondly, the spline shafts need to be placed one by workers, so that the workload is increased, and the surface coating equipment and the process for the spline shafts of the transmission shafts are provided.

In order to achieve the purpose, the invention adopts the following technical scheme:

a surface coating device for a transmission shaft spline shaft comprises an integration block, an assembly plate and a coating plate, wherein the integration block is arranged in a concave shape, an integration device is arranged on the integration block, the assembly plate comprises two plate bodies, a conveying belt identical to the conveying belt is electrically connected between the two plate bodies, a movable block is fixedly connected to one end of the assembly plate, a drying device and a coating device are arranged on the assembly plate, a leakage cavity is arranged on the movable block, a coating groove is formed in the leakage cavity, the surface from the leakage cavity to the port of the coating groove is arranged in an inclined mode, and the coating groove is located at the lowest position of the leakage cavity;

the coating device is including moving about the chamber, the intracavity sliding connection that moves about has the coating board, the one side that is close to the coating groove of coating board is the arcwall face setting, the arcwall face equidistant installation of coating board has a plurality of coating mouths that are the array setting, the coating board is connected through bellows connection from one side of coating mouth back, still install the telescoping cylinder between coating board and the activity chamber lateral wall, the bilateral symmetry of telescoping cylinder is provided with the ejector pin, the one end fixed connection of ejector pin is on the lateral wall in activity chamber, the other end of telescoping cylinder runs through the coating board, the bottom of coating board is connected with the rotor plate through rotating device, the response piece is installed to the port department in coating groove, the response piece passes through singlechip and telescoping cylinder electric connection, a mouth has still been seted up on the lateral wall of movable block.

Preferably, the integration device includes two fly leafs and conveyer belt, every the equal fixedly connected with stopper in one side of fly leaf, it has the gag lever post to run through in the stopper, gag lever post fixed connection is on the integration piece, the solderless wrapped connection has straight spring on the gag lever post, one side fixedly connected with installation piece of stopper, be connected with the lug through driving motor in the installation piece, the lug is the arc setting, the conveyer belt is located between two fly leafs, and electric connection is on the integration piece.

Preferably, the rotating device comprises a limiting groove formed in the rotating plate, a limiting block is connected in the limiting groove in a sliding mode, the limiting block is fixedly connected to the bottom of the coating plate, and a rotating blade is fixedly connected to the bottom side wall of the rotating plate.

Preferably, drying device is including installing the hot plate on the coating groove lateral wall, be equipped with the heater strip that is the S-shaped setting in the hot plate, still install a plurality of air outlets that are the array arrangement on the hot plate, be equipped with the fan in the movable block, every the air outlet passes through honeycomb duct and fan intercommunication.

Preferably, the coating plate is electrically connected with a plurality of transmission chains which are arranged at equal intervals.

Preferably, the coating steps are as follows:

s1, workpiece pretreatment: removing rust spots and waste materials on the blank material;

s2, size preparation: spline shafts conforming to the size are produced in batches by utilizing a lathe;

s3, sorting: placing a plurality of parts on an integration plate, and integrating the parts on a conveyor belt;

s4, coating and drying: conveying the parts into a coating groove by using a conveying belt to realize coating, and drying the parts by using a fan;

s5, secondary transportation: the coated spline shaft is transported to the next process by a transport plate.

Compared with the prior art, the invention has the beneficial effects that:

1. through the interaction of mechanisms such as a limiting rod, a straight spring, a driving motor and the like, the limiting block moves left and right, so that high-frequency shaking is generated, a large number of spline shafts placed on the integration block can enter the conveying belt due to continuous vibration, and the operation procedures of workers are reduced while transportation is facilitated;

2. through the interaction of telescoping cylinder, ejector pin, bellows, play piece mouth, revolving leaf isotructure, not only accomplish the stoving in the coating, part more comprehensive when the coating in the pivoted simultaneously, simultaneously more even avoids the material extravagant and can make drying efficiency faster through the air outlet.

Drawings

FIG. 1 is a schematic structural view from above of a surface coating apparatus for a spline shaft of a transmission shaft according to the present invention;

FIG. 2 is a schematic cross-sectional view of the surface coating apparatus for a spline shaft of a propeller shaft according to the present invention;

FIG. 3 is a schematic structural view of the front side of a heating device of the surface coating equipment for the spline shaft of the transmission shaft provided by the invention;

FIG. 4 is a schematic front view of an integrated device of the surface coating equipment for the spline shaft of the transmission shaft according to the present invention;

fig. 5 is a schematic partial top view of the surface coating device for the spline shaft of the transmission shaft according to the present invention.

In the figure: the device comprises an integration block 1, a movable plate 2, a limiting block 3, a conveying belt 4, an assembly plate 5, a fan 6, a movable block 7, a coating groove 8, a leakage cavity 9, a transport plate 10, a transmission chain 11, a coating plate 12, a storage bottle 13, a movable cavity 14, a telescopic cylinder 15, a mandril 16, a corrugated pipe 17, a piece outlet 18, a rotating blade 19, a heating plate 20, a rotating plate 21, a coating nozzle 22, a heating wire 23, an air outlet 24, a limiting rod 25, a straight spring 26, an installation block 27 and a convex block 28.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-5, a surface coating device of a transmission shaft spline shaft and a process thereof, comprising an integration block 1, an assembly plate 5 and a coating plate 12, wherein the integration block 1 is arranged in a concave shape, the integration block 1 is provided with an integration device, the integration device comprises two movable plates 2 and a conveyor belt 4, one side of each movable plate 2 is fixedly connected with a limit block 3, a limit rod 25 penetrates through the limit block 3, the limit rod 25 is fixedly connected to the integration block 1, a straight spring 26 is wound on the limit rod 25, one side of the limit block 3 is fixedly connected with a mounting block 27, the mounting block 27 is internally connected with a lug 28 through a driving motor, the lug 28 is arranged in an arc shape, the conveyor belt 4 is arranged between the two movable plates 2 and electrically connected to the integration block 1, the driving motor is started when the surface coating device is used to drive the lug 28 to rotate, the lug 28 is not a complete circle, the mounting block 27 is driven to move along, under the spacing of gag lever post 25, can drive installation piece 27 and remove along gag lever post 25's direction when centrifugal force and gag lever post 25 are parallel, under the effect of straight spring 26 for remove about stopper 3, thereby produce rocking of high frequency, can with put on the integration piece 1 a large amount of integral key shafts because continuous vibration gets into conveyer belt 4 in, thereby when having made things convenient for the transportation, reduce staff's operating procedure.

The assembling plate 5 comprises two plate bodies, a conveying belt which is the same as the conveying belt 4 is electrically connected between the two plate bodies, the function of conveying the spline shaft is achieved, and when the spline shaft slowly enters the leakage cavity 9, the tail part of the spline shaft can enter the coating groove 8 under the action of the conveying belt.

The movable block 7 is fixedly connected to one end of the assembly plate 5, the assembly plate 5 is provided with a drying device and a coating device, the movable block 7 is provided with a leakage cavity 9, the leakage cavity 9 is internally provided with a coating groove 8, the surface from the leakage cavity 9 to the port of the coating groove 8 is obliquely arranged, the coating groove 8 is positioned at the lowest position of the leakage cavity 9, the coating device comprises a movable cavity 14, the movable cavity 14 is internally and slidably connected with a coating plate 12, one side of the coating plate 12 close to the coating groove 8 is arranged in an arc shape, the arc surface of the coating plate 12 is provided with a plurality of coating nozzles 22 arranged in an array at equal intervals, one side of the coating plate 12 departing from the coating nozzles 22 is connected with a storage bottle 13 through a corrugated pipe 17, a telescopic cylinder 15 is further arranged between the coating plate 12 and the side wall of the movable cavity 14, ejector rods 16 are symmetrically arranged at two sides of the telescopic cylinder 15, one end of the ejector rods 16 is fixedly connected to the side wall of, the bottom of coating board 12 is connected with rotor plate 21 through rotating device, the response piece is installed to the port department of coating groove 8, the response piece passes through singlechip and telescoping cylinder 15 electric connection, a mouth 18 has still been seted up on the lateral wall of movable block 7, utilize the response piece with signal transmission when the part gets into coating groove 8, then telescoping cylinder 15 begins work and will coat board 12 and deduce corresponding position, the part just falls on rotor plate 21 this moment, utilize bellows 17 to pass through coating mouth 22 spraying with the material on the part, accomplish the coating.

The rotating device comprises a limiting groove formed in the rotating plate 21, a limiting block is connected in the limiting groove in a sliding mode, the limiting block is fixedly connected to the bottom of the coating plate 12, and a rotating blade 19 is fixedly connected to the side wall of the bottom of the rotating plate 21.

Drying device is including installing hot plate 20 on 8 lateral walls in coating groove, be equipped with the heater strip 23 that is the S-shaped setting in hot plate 20, still install a plurality of air outlets 24 that are the array arrangement on hot plate 20, be equipped with fan 6 in the movable block 7, every air outlet 24 passes through honeycomb duct and fan 6 intercommunication, the heater strip 23 that the S-shaped set up can increase the drying area, can be faster with the air heating, some impacts on rotatory leaf 19 from the air current that air outlet 24 came out, take rotor plate 21 to rotate as drive power, thereby the part that the drive fell on rotor plate 21 rotates, part is more comprehensive when the pivoted when coating, simultaneously more even, and can make drying efficiency more quick through air outlet 24.

The coating plate 12 is electrically connected with a transmission chain 11, a plurality of conveying plates 10 are arranged on the transmission chain 11 at equal intervals, when the parts are coated and dried, the coating plate 12 is retracted by the telescopic cylinder 15, the parts gradually separate from the rotating plate 21 and fall into the transmission chain 11 under the action of the ejector rod 16, and the parts are conveyed out of the part outlet 18 through the transmission chain 11 and enter the next procedure.

The coating steps are as follows:

s5, secondary transportation: conveying the coated spline shaft to the next procedure by using a conveying plate

In the invention, when in use, the driving motor is started to drive the lug 28 to rotate, the lug 28 is not a complete circle, the mounting block 27 can be driven to move along the direction of the centrifugal force under the action of the centrifugal force, the mounting block 27 can be driven to move along the direction of the limiting rod 25 when the centrifugal force is parallel to the limiting rod 25 under the limiting action of the limiting rod 25, the limiting block 3 is driven to move left and right under the action of the straight spring 26, so that high-frequency shaking is generated, a large number of spline shafts placed on the integrating block 1 can enter the conveying belt 4 due to continuous vibration, the conveying belt enters the coating groove 8, when a part enters the coating groove 8, the induction sheet is used for transmitting signals, then the telescopic cylinder 15 starts to work to push the coating plate 12 out of a corresponding position, at the moment, the part just falls on the rotating plate 21, and the corrugated pipe 17 is used for spraying materials on the part through, accomplish the coating, start fan 6, some impacts on rotatory leaf 19 from the air current that air outlet 24 came out, drive driving force area rotor plate 21 and rotate, thereby the part that drives to fall on rotor plate 21 rotates, more comprehensive when the part coats in the pivoted, simultaneously more even, and can make drying efficiency faster through air outlet 24, after the part is coated and is accomplished and dry, telescopic cylinder 15 will coat board 12 and retract toward retrieving, the part breaks away from rotor plate 21 gradually and falls into in driving chain 11 under ejector pin 16's effect, the conveying part through driving chain 11 shifts out and gets into next procedure from a mouth 18.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a transmission shaft integral key shaft's surface coating equipment, includes integration piece (1), assembly plate (5) and coats board (12), integration piece (1) is the spill setting, its characterized in that, be equipped with the integration device on integration piece (1), assembly plate (5) include two plate bodys, and electric connection has the conveyer belt the same with conveyer belt (4) between two plate bodys, the one end fixedly connected with movable block (7) of assembly plate (5), be equipped with drying device and coating device on assembly plate (5), be equipped with hourglass cavity (9) on movable block (7), it has coating groove (8) to open in hourglass cavity (9), it sets up to the surface of coating groove (8) port to leak cavity (9) slope, coating groove (8) are located the lowest of leaking cavity (9);

the coating device comprises a movable cavity (14), a coating plate (12) is slidably connected in the movable cavity (14), one side, close to a coating groove (8), of the coating plate (12) is arranged in an arc-shaped surface mode, a plurality of coating nozzles (22) arranged in an array mode are installed on the arc-shaped surface of the coating plate (12) at equal intervals, one side, deviating from the coating nozzles (22), of the coating plate (12) is connected with a storage bottle (13) through a corrugated pipe (17), a telescopic cylinder (15) is further installed between the coating plate (12) and the side wall of the movable cavity (14), ejector rods (16) are symmetrically arranged on two sides of the telescopic cylinder (15), one end of each ejector rod (16) is fixedly connected to the side wall of the movable cavity (14), the other end of each telescopic cylinder (15) penetrates through the coating plate (12), the bottom end of the coating plate (12) is connected with a rotating plate (21) through a rotating device, the port department in coating groove (8) installs the response piece, the response piece passes through singlechip and telescoping cylinder (15) electric connection, a mouth (18) have still been seted up on the lateral wall of movable block (7).

2. The surface coating equipment for the spline shaft of the transmission shaft according to claim 1, wherein the integration device comprises two movable plates (2) and a conveying belt (4), one side of each movable plate (2) is fixedly connected with a limiting block (3), a limiting rod (25) penetrates through the limiting block (3), the limiting rod (25) is fixedly connected to the integration block (1), a straight spring (26) is wound on the limiting rod (25), one side of each limiting block (3) is fixedly connected with a mounting block (27), a convex block (28) is connected to the mounting block (27) through a driving motor, the convex block (28) is arranged in an arc shape, the conveying belt (4) is located between the two movable plates (2), and the conveying belt is electrically connected to the integration block (1).

3. The surface coating equipment for the spline shaft of the transmission shaft according to claim 1, wherein the rotating device comprises a limiting groove formed in the rotating plate (21), a limiting block is connected in the limiting groove in a sliding mode, the limiting block is fixedly connected to the bottom of the coating plate (12), and a rotating blade (19) is fixedly connected to the bottom side wall of the rotating plate (21).

4. The surface coating equipment for the spline shaft of the transmission shaft according to claim 1, wherein the drying device comprises a heating plate (20) arranged on the side wall of the coating groove (8), a heating wire (23) arranged in an S shape is arranged in the heating plate (20), a plurality of air outlets (24) arranged in an array are further arranged on the heating plate (20), a fan (6) is arranged in the movable block (7), and each air outlet (24) is communicated with the fan (6) through a flow guide pipe.

5. The surface coating equipment for the spline shaft of the transmission shaft according to claim 1, wherein the coating plate (12) is electrically connected with a transmission chain (11), and the transmission chain (11) is provided with a plurality of conveying plates (10) at equal intervals.

6. The coating process of the surface coating equipment for the spline shaft of the transmission shaft according to claim 1, characterized in that the coating steps are as follows: