阅读说明：本技术 一种扭簧生产用表面处理装置及其处理方法 (Surface treatment device for torsion spring production and treatment method thereof ) 是由 吴伟军 吴军 张凯 于 2021-06-10 设计创作，主要内容包括：本发明提供一种扭簧生产用表面处理装置及其处理方法,涉及扭簧表面处理领域,本发明包括导料框架、视窗、精磨框架和增流组件；所述精磨框架侧壁以对称布置设有两个导料框架,两个导料框架同精磨框架相贯通连接,用于钢材自导料框架和精磨框架内穿插而过；所述精磨框架外侧设有视窗,视窗同精磨框架形成密闭腔体,密闭腔体内注入研磨介质,激发研磨介质于密闭腔体内翻滚,增大研磨介质与钢材的接触力度、速度以及频率,获取更为优质的精磨效果,同时,介于研磨介质的翻滚,将集聚的研磨碎屑进行细碎分离,以避免金属碎屑集聚,在相互摩擦中所导致的钢材表面划损问题。(The invention provides a surface treatment device for torsion spring production and a treatment method thereof, relating to the field of torsion spring surface treatment, and comprising a material guide frame, a window, a fine grinding frame and a flow increasing assembly; the side wall of the fine grinding frame is symmetrically provided with two material guide frames, and the two material guide frames are communicated with the fine grinding frame and used for steel to penetrate through the material guide frames and the fine grinding frame; the accurate grinding frame outside is equipped with the window, and the window forms airtight cavity with the accurate grinding frame, injects grinding medium into in the airtight cavity, arouses grinding medium to roll in airtight cavity, and the contact dynamics, speed and the frequency of increase grinding medium and steel acquire more high-quality accurate grinding effect, simultaneously, in the rolling of grinding medium, will gather the grinding piece and carry out the thin garrulous separation to avoid metal clastic to gather, the steel surface that leads to in the looks mutual friction scratches the damage problem.)

1. The utility model provides a surface treatment device is used in torsional spring production which characterized in that: comprises a material guiding frame (1), a window (2), a fine grinding frame (3) and a flow increasing assembly (4);

the side wall of the fine grinding frame (3) is symmetrically provided with two material guide frames (1), the two material guide frames (1) are communicated with the fine grinding frame (3) and used for steel to penetrate through the material guide frames (1) and the fine grinding frame (3);

a window (2) is arranged on the outer side of the fine grinding frame (3), the window (2) and the fine grinding frame (3) form a closed cavity, and a grinding medium is injected into the closed cavity and is used for contact friction of steel; the flow increasing assembly (4) is arranged in the material guide frame (1) and used for blowing air flow into the closed cavity.

2. The surface treatment device for torsion spring production according to claim 1, wherein: the fine grinding frame (3) comprises an outer ring (32), an inner ring (33) is arranged in the outer ring (32), two symmetrical connecting points are arranged between the inner ring (33) and the outer ring (32) and close to the material guide frame (1), and air channels are arranged in the connecting points and are used for enabling air flow in the material guide frame (1) to be blown into a gap formed by the inner ring (33) and the outer ring (32); the refining frame (3) further comprises nozzles (31), which nozzles (31) are interpenetrated fixed to the inner ring (33) in an annular arrangement.

3. The surface treatment device for torsion spring production according to claim 2, wherein: the space encircled by the inner side of the inner ring (33) is a closed cavity, and the nozzle (31) penetrates through the inner ring (33) and extends into the closed cavity.

4. The surface treatment device for torsion spring production according to claim 1, wherein: the material guide frame (1) comprises convex covers (11), the convex covers (11) are symmetrically fixed to the outer side of an outer ring (32), a mounting ring (12) is arranged on the inner side of the convex covers, and the mounting ring (12) is connected with an inner ring (33) and is spaced from the convex covers (11); the material guiding frame (1) further comprises a material guiding channel (13), the material guiding channel (13) is arranged in the interval between the mounting ring (12) and the convex cover (11), and two ends of the material guiding channel are respectively communicated with the mounting ring (12) and the convex cover (11).

5. The surface treatment device for torsion spring production according to claim 4, wherein: the material guide channel (13) divides the interval between the mounting ring (12) and the convex cover (11) into two symmetrical flow increasing cavities.

6. The surface treatment device for torsion spring production according to claim 1 or 5, wherein: the flow increasing assembly (4) comprises a fixed roller (42), the fixed roller (42) is arranged in the mounting ring (12), shaft levers (44) are fixed at two ends of the fixed roller, and the shaft levers (44) are directly inserted into the mounting ring (12) and the convex cover (11) and extend outwards for the fixed roller (42) to be rotatably connected in the mounting ring (12);

a flow increasing impeller (41) is arranged in the flow increasing cavity, and the flow increasing impeller (41) is fixedly sleeved on the shaft lever (44); one side of the flow increasing impeller (41) facing the fixed roller (42) is provided with an adjusting unit (43), and the adjusting unit (43) is inserted and fixed at the wall body of the mounting ring (12);

the opposite side of the fixed roller (42) is provided with a movable roller (45), the movable roller (45) and the fixed roller (42) are matched to form a roller set, two ends of the movable roller (45) are fixed with inserting shafts (46), and the inserting shafts (46) are inserted into the adjusting unit (43) and are rotatably connected relative to the adjusting unit (43).

7. The surface treatment device for torsion spring production according to claim 6, wherein: and the rolling surfaces of the fixed roller (42) and the movable roller (45) are provided with annular grooves, and the surfaces of the annular grooves are uniformly provided with contacts for the steel to be in frictional contact with the annular grooves.

8. The surface treatment device for torsion spring production according to claim 6, wherein: the adjusting unit (43) comprises a shaft sleeve (431), the shaft sleeve (431) is inserted and fixed at the wall body of the mounting ring (12), a limiting shaft seat (433) is arranged on one side, facing the movable roller (45), of the shaft sleeve (431), and the limiting shaft seat (433) penetrates through the mounting ring (12);

a spring (432) is arranged between the limiting shaft seat (433) and the shaft sleeve (431), one end of the spring (432) is inserted into the shaft sleeve (431), and the other end of the spring is abutted to the surface of the limiting shaft seat (433);

spacing axle bed (433) are equipped with steering spindle sleeve (434) to spring (432) one side dorsad, and steering spindle sleeve (434) internal rotation is connected with bolt (435), and bolt (435) alternate in guide frame (1) back wall department screw thread to outwards extend for guide frame (1), be used for adjusting spacing axle bed (433) to axle sleeve (431) department relative position.

9. The surface treatment device for torsion spring production according to claim 8, wherein: a strip-shaped groove is formed in the wall body of the placement ring (12), and the limiting shaft seat (433) is inserted into the strip-shaped groove and is connected with the strip-shaped groove in a sliding mode.

10. The processing method of a surface treatment device for torsion spring production according to any one of claims 1 to 9, comprising the processing steps of:

1) inserting steel from one group of material guide frames, passing through the fine grinding frame in the guide process, and discharging the steel from the other group of material guide frames;

2) during the period, the steel is pulled to move, so that the steel is in rolling friction with the flow increasing assembly, the flow increasing assembly generates airflow through rotation in the rolling friction, the airflow is blown into the closed cavity at a channel arranged from the material guide frame to the fine grinding frame, the grinding medium is excited to roll in the closed cavity, the grinding medium in the rolling process is in close contact with the steel, and fine grinding is achieved.

Technical Field

The invention relates to the field of surface treatment of torsion springs, in particular to a surface treatment device for torsion spring production and a treatment method thereof.

Background

The torsion spring is a mechanical part which works by elasticity, is generally made of spring steel and is used for controlling the movement of a machine part, relieving impact or vibration, storing energy, measuring the magnitude of force and the like.

The surface treatment is a process method for artificially forming a surface layer with mechanical, physical and chemical properties different from those of a substrate on the surface of a substrate material, the purpose of the surface treatment is to meet the requirements of corrosion resistance, wear resistance, decoration or other special functions of a product, and for metal castings, common surface treatment methods comprise mechanical polishing, chemical treatment, surface heat treatment and surface spraying, and the surface treatment is to clean, remove burrs, remove oil stains, remove oxide scales and the like on the surface of a workpiece.

The surface treatment process is an indispensable treatment content for the production and processing of the torsion spring, and the most critical step is surface finish grinding treatment, which aims to perform overall wrapped grinding on the spring steel through a grinding medium so as to ensure that the surface of the steel is uniform and free of roughness and is beneficial to subsequent treatment.

Disclosure of Invention

The invention aims to provide a surface treatment device for producing a torsion spring and a treatment method thereof, so as to solve the technical problems.

In order to solve the technical problems, the invention adopts the following technical scheme:

the utility model provides a surface treatment device is used in torsional spring production which characterized in that: comprises a material guide frame, a window, a fine grinding frame and a flow increasing assembly;

the side wall of the fine grinding frame is symmetrically provided with two material guide frames, and the two material guide frames are communicated with the fine grinding frame and used for steel to penetrate through the material guide frames and the fine grinding frame;

a window is arranged on the outer side of the fine grinding frame, the window and the fine grinding frame form a closed cavity, and grinding media are injected into the closed cavity and used for contact friction of steel; and a flow increasing assembly is arranged in the material guide frame and used for blowing air flow into the closed cavity.

Preferably, the fine grinding frame comprises an outer ring, an inner ring is arranged in the outer ring, two symmetrical connection points are arranged between the inner ring and the outer ring and close to the material guide frame, and air channels are arranged in the connection points and used for blowing the airflow in the material guide frame into a gap formed between the inner ring and the outer ring; the refining frame further comprises nozzles which are interpenetrated fixed to the inner ring in an annular arrangement.

Preferably, the space encircled by the inner side of the inner ring is a closed cavity, and the nozzle penetrates through the inner ring and extends into the closed cavity.

Preferably, the material guide frame comprises convex covers which are symmetrically fixed to the outer side of the outer ring, and the inner side of the convex covers is provided with mounting rings which are connected with the inner ring and spaced from the convex covers; the material guiding frame further comprises a material guiding channel, the material guiding channel is arranged in the interval between the mounting ring and the convex cover, and two ends of the material guiding channel are respectively communicated with the mounting ring and the convex cover.

Preferably, the material guide channel divides the interval between the mounting ring and the convex cover into two symmetrical flow increasing cavities.

Preferably, the flow increasing assembly comprises a fixed roller wheel, the fixed roller wheel is arranged in the mounting ring, shaft levers are fixed at two ends of the fixed roller wheel, and the shaft levers are directly inserted into the mounting ring and the convex cover and extend outwards for the fixed roller wheel to be rotatably connected in the mounting ring;

a flow increasing impeller is arranged in the flow increasing cavity and is fixedly sleeved on the shaft rod; the flow increasing impeller is provided with a regulating unit at one side facing the fixed roller wheel, and the regulating unit is inserted and fixed at the position of the ring wall body;

and movable rollers are arranged on the opposite sides of the fixed rollers and are matched with the fixed rollers to form roller sets, inserting shafts are fixed at the two ends of the movable rollers and are inserted into the adjusting units and are rotatably connected relative to the adjusting units.

Preferably, the rolling surfaces of the fixed roller and the movable roller are provided with annular grooves, and the surfaces of the annular grooves are uniformly provided with contacts for the steel to be in frictional contact with the annular grooves.

Preferably, the adjusting unit comprises a shaft sleeve, the shaft sleeve is inserted and fixed at the position of the wall of the mounting ring, a limiting shaft seat is arranged on one side of the shaft sleeve, which faces the moving roller, and the limiting shaft seat is inserted at the position of the mounting ring;

a spring is arranged between the limiting shaft seat and the shaft sleeve, one end of the spring is inserted into the shaft sleeve, and the other end of the spring is abutted to the surface of the limiting shaft seat;

and a steering shaft sleeve is arranged on one side of the limiting shaft seat, which is back to the spring, a bolt is rotationally connected in the steering shaft sleeve, and the bolt is inserted in the back wall body of the material guide frame in a threaded manner, extends outwards relative to the material guide frame and is used for adjusting the relative position of the limiting shaft seat to the shaft sleeve.

Preferably, a strip-shaped groove is formed in the position of the placement ring wall body, and the limiting shaft seat is inserted in the strip-shaped groove and is in sliding connection with the strip-shaped groove.

A processing method of a surface processing device for producing a torsion spring is characterized by comprising the following processing steps:

1) inserting steel from one group of material guide frames, passing through the fine grinding frame in the guide process, and discharging the steel from the other group of material guide frames;

2) during the period, the steel is pulled to move, so that the steel is in rolling friction with the flow increasing assembly, the flow increasing assembly generates airflow through rotation in the rolling friction, the airflow is blown into the closed cavity at a channel arranged from the material guide frame to the fine grinding frame, the grinding medium is excited to roll in the closed cavity, the grinding medium in the rolling process is in close contact with the steel, and fine grinding is achieved.

The invention has the beneficial effects that:

1. the material guide frame is communicated with the fine grinding frame, namely, the inner ring is connected with the mounting ring, the outer ring is connected with the convex cover, so that corresponding intervals are kept under the connection support of the connection points, and further, the air flow is guided to the nozzle to be sprayed out, and the grinding medium is excited to surge in the closed cavity.

2. In the invention, during the rotation of the shaft lever, the flow-increasing impeller is driven to rotate in the flow-increasing cavity, so that the airflow generated in the rotation is guided into the interval formed between the inner ring and the outer ring, is released by the nozzle, the grinding medium is excited to roll in the closed cavity, the contact force, speed and frequency of the grinding medium and the steel are increased, and a better fine grinding effect is obtained.

3. According to the invention, two adjusting units are symmetrically arranged at the roller set, and the adjusting units are mutually independent and do not interfere with each other; during the regulation, only through revolving soon the bolt to realize spacing axle bed to the regulation of the axle sleeve relative position, during, through setting up the spring with axle sleeve and spacing axle bed looks interval, one cushions steel to the produced vibration of the rolling of roller set department, secondly, with elasticity reaction to steel surface, make steel can be effectual with roller set looks rolling friction.

Drawings

FIG. 1 is a schematic structural view of a surface treatment device for producing a torsion spring according to the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic illustration of the demonstration in the spring steel self-processing device of the present invention;

FIG. 4 is a schematic view of the back structure of the present invention;

FIG. 5 is a schematic structural view of a flow increasing assembly according to the present invention;

FIG. 6 is a schematic view of the structure of the adjusting unit of the present invention;

FIG. 7 is a schematic view of a part of the structure of an adjusting unit according to the present invention;

reference numerals: 1. a material guiding frame; 2. a window; 3. finely grinding the frame; 4. a flow increasing assembly; 11. a convex cover; 12. a mounting ring; 13. a material guide channel; 31. a nozzle; 32. an outer ring; 33. an inner ring; 41. a flow-increasing impeller; 42. a fixed roller wheel; 43. an adjustment unit; 44. a shaft lever; 45. a movable roller; 46. inserting a shaft; 431. a shaft sleeve; 432. a spring; 433. a limit shaft seat; 434. a steering shaft sleeve; 435. and (4) bolts.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easily understood, the invention is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention are described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1-7, a surface treatment device for torsion spring production comprises a material guide frame 1, a window 2, a fine grinding frame 3 and a flow increasing assembly 4.

The side wall of the fine grinding frame 3 is symmetrically provided with two material guide frames 1, the two material guide frames 1 are communicated with the fine grinding frame 3 and used for steel materials to penetrate through the material guide frames 1 and the fine grinding frame 3, the fine grinding frame 3 comprises an outer ring 32, an inner ring 33 is arranged in the outer ring 32, two symmetrical connection points are arranged between the inner ring 33 and the outer ring 32 at the position close to the material guide frames 1, and air channels are arranged in the connection points and used for blowing air flow in the material guide frames 1 into a gap formed by the inner ring 33 and the outer ring 32; the fine grinding frame 3 further comprises a nozzle 31, the nozzle 31 is fixedly inserted into the inner ring 33 in an annular arrangement, a space encircled inside the inner ring 33 is a closed cavity, and the nozzle 31 is inserted into the inner ring 33 and extends into the closed cavity.

The material guiding frame 1 comprises a convex cover 11, the convex cover 11 is fixed to the outer side of an outer ring 32 in a symmetrical arrangement, a mounting ring 12 is arranged on the inner side of the convex cover 11, and the mounting ring 12 is connected with an inner ring 33 and is spaced from the convex cover 11; the material guiding frame 1 further comprises a material guiding channel 13, the material guiding channel 13 is arranged in an interval between the mounting ring 12 and the convex cover 11, two ends of the material guiding channel 13 are respectively communicated with the mounting ring 12 and the convex cover 11, and the interval between the mounting ring 12 and the convex cover 11 is divided into two symmetrical flow increasing cavities by the material guiding channel 13.

In this embodiment, the material guiding frame 1 is connected to the fine grinding frame 3, i.e. the inner ring 33 is connected to the mounting ring 12, and the outer ring 32 is connected to the convex cover 11, so as to maintain a corresponding interval under the connection support of the connection point, and further guide the air flow to the nozzle 31 for spraying, thereby exciting the grinding medium to surge in the closed cavity.

In this embodiment, the material guiding channel 13 connects the convex cover 11 with the mounting ring 12, and after the connection, a flow increasing cavity is formed, and then the steel material is inserted into the material guiding channel 13 conveniently, so as to realize the fine grinding treatment under the friction of the grinding medium in the closed cavity.

Example 2

As shown in fig. 1-7, a surface treatment device for producing a torsion spring, a flow increasing assembly 4 comprises a fixed roller 42, the fixed roller 42 is arranged in a mounting ring 12, two ends of the fixed roller are fixed with shaft levers 44, the shaft levers 44 are directly inserted into the mounting ring 12 and a convex cover 11 and extend outwards for the fixed roller 42 to rotate and connect in the mounting ring 12; the flow increasing impeller 41 is arranged in the flow increasing cavity, and the flow increasing impeller 41 is fixedly sleeved on the shaft lever 44; the flow increasing impeller 41 is provided with a regulating unit 43 towards one side of the fixed roller wheel 42, and the regulating unit 43 is inserted and fixed at the wall body of the mounting ring 12; the opposite side of the fixed roller 42 is provided with a movable roller 45, the movable roller 45 is matched with the fixed roller 42 to form a roller set, two ends of the movable roller 45 are fixed with inserting shafts 46, and the inserting shafts 46 are inserted into the adjusting unit 43 and are rotatably connected relative to the adjusting unit 43.

Wherein, the rolling surfaces of the fixed roller 42 and the movable roller 45 are provided with annular grooves, and the surfaces of the annular grooves are uniformly provided with contacts for the steel to be in frictional contact with the annular grooves.

In this embodiment, the steel material is rolled and rubbed at the roller set, during the rubbing, the shaft lever 44 connected to the two ends of the fixed roller 42 is inserted into the adjusting unit 43 to realize the synchronous rotation of the shaft lever 44 and the fixed roller 42, so that the flow-increasing impeller 41 is driven to rotate in the flow-increasing chamber during the rotation of the shaft lever 44, and further the air flow generated during the rotation is guided to the space formed between the inner ring 33 and the outer ring 32, and is released by the nozzle 31 to excite the grinding medium to roll in the sealed chamber,

example 3

As shown in fig. 1-7, in the surface treatment device for producing the torsion spring, the adjusting unit 43 includes a shaft sleeve 431, the shaft sleeve 431 is inserted and fixed at the wall body of the mounting ring 12, a limiting shaft seat 433 is arranged at one side of the shaft sleeve 431 facing the movable roller 45, and the limiting shaft seat 433 is inserted and fixed at the mounting ring 12; a spring 432 is arranged between the limiting shaft seat 433 and the shaft sleeve 431, one end of the spring 432 is inserted into the shaft sleeve 431, and the other end of the spring 432 is abutted to the surface of the limiting shaft seat 433; a steering shaft sleeve 434 is arranged on one side, back to the spring 432, of the limiting shaft seat 433, a bolt 435 is rotatably connected in the steering shaft sleeve 434, and the bolt 435 is threaded and inserted at the back wall of the material guiding frame 1 and extends outwards relative to the material guiding frame 1 to adjust the relative position of the limiting shaft seat 433 to the shaft sleeve 431.

Wherein, settle 12 wall bodies department of ring and be equipped with the bar groove, spacing axle bed 433 alternates in the bar groove to for bar groove sliding connection.

In the present embodiment, the thickness and the cross-sectional shape of the steel material are not constant values, and for this reason, the adjustment unit 43 is provided to adapt to various types of steel materials.

In the embodiment, two adjusting units 43 are symmetrically arranged at the roller set, and the adjusting units 43 are independent from each other and do not interfere with each other; during the regulation, only through revolving screw 435 to realize spacing axle bed 433 to the regulation of relative position between axle bed 431, during, through setting up spring 432 with axle bed 431 and spacing axle bed 433 looks interval, one cushions steel to the produced vibration of the rolling of roller set department, secondly, with elasticity reaction to steel surface, make steel can be effectual with the roller set looks rolling friction.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.