阅读说明：本技术 一种复合材料制件喷涂加工固定装置及方法 (Composite material workpiece spraying processing fixing device and method ) 是由 邹承洪 庞婧 何凯 唐鹏 陈金 于 2021-07-21 设计创作，主要内容包括：本发明公开了一种复合材料制件喷涂加工固定装置及方法,属于喷涂技术领域。包括格栅板,所述格栅板由边框和设置在边框内的若干平行板条构成,格栅板用于摆放工件和夹持夹具；所述夹持夹具包括普通夹具和简易夹具,简易夹具包括夹头、次夹板、主夹板、磁铁、压轴和弹簧,夹头设置在主夹板和次夹板的上方,夹头转动连接在压轴上,并通过套设在压轴外圈的弹簧实现主夹板和次夹板开合；所述普通夹具包括简易夹具和连接在简易夹具上的支撑杆,所述支撑杆通过连接块与简易夹具连接,用于工件支撑及限位。本发明所述装置可同时放置多个工件进行加工,夹具通用性强,并同时具备限位与支撑的功能,拆卸方便,可有效降低工件的定位时间,提高加工效率。(The invention discloses a fixing device and a fixing method for spraying and processing a composite material workpiece, and belongs to the technical field of spraying. The grating plate is composed of a frame and a plurality of parallel lathes arranged in the frame, and is used for placing workpieces and clamping fixtures; the clamping fixture comprises a common fixture and a simple fixture, the simple fixture comprises a chuck, a secondary clamp plate, a main clamp plate, a magnet, a pressing shaft and a spring, the chuck is arranged above the main clamp plate and the secondary clamp plate, the chuck is rotatably connected to the pressing shaft, and the main clamp plate and the secondary clamp plate are opened and closed through the spring sleeved on the outer ring of the pressing shaft; the common fixture comprises a simple fixture and a supporting rod connected to the simple fixture, and the supporting rod is connected with the simple fixture through a connecting block and used for supporting and limiting a workpiece. The device can be used for simultaneously placing a plurality of workpieces for processing, has strong universality, has the functions of limiting and supporting, is convenient to disassemble, can effectively reduce the positioning time of the workpieces, and improves the processing efficiency.)

1. The spraying, processing and fixing device for the composite material part is characterized by comprising a grating plate (1), wherein the grating plate (1) consists of a frame (11) and a plurality of parallel laths (12) arranged in the frame (11), and the grating plate (1) is used for placing a workpiece (3) and a clamping fixture; the clamping fixture comprises a common fixture (4) and a simple fixture (2), the simple fixture (2) comprises a chuck (21), a secondary clamp plate (22), a main clamp plate (23), a magnet (24), a pressing shaft (25) and a spring (26), the chuck (21) is arranged above the main clamp plate (23) and the secondary clamp plate (22), the chuck (21) is rotatably connected to the pressing shaft (25), and the main clamp plate (23) and the secondary clamp plate (22) are opened and closed through the spring (26) sleeved on the outer ring of the pressing shaft (25); ordinary anchor clamps (4) are including simple and easy anchor clamps (2) and bracing piece (5) of connection on simple and easy anchor clamps (2), bracing piece (5) are connected with simple and easy anchor clamps (2) through the connecting block for work piece (3) support and spacing.

2. The spraying processing fixing device for the composite material part as claimed in claim 1, wherein a gap is designed between the main clamping plate (23) and the secondary clamping plate (22), the gap corresponds to the shape of the lath (12) on the grid plate (1), an L-shaped limiting groove is arranged at the bottom of the main clamping plate (23), and the main clamping plate (23) and the secondary clamping plate (22) cover the lath (12) on the grid after being clamped.

3. The spraying processing fixing device for the composite material part is characterized in that the supporting rod (5) comprises a connecting block, a first locking screw (52), a second locking screw, a supporting ball and a connecting rod (supporting ball, 55), the connecting rod (supporting ball, 55) vertically penetrates through the first connecting block (51), the first locking screw (52) is arranged on the side edge of the connecting block, and the connecting rod (supporting ball, 55) is locked from the side edge so as to adjust the height of the connecting rod (supporting ball, 55); the supporting ball is arranged on one side of the connecting rod (supporting ball, 55) through a second connecting block (56), the second connecting block (56) is rotatably connected to the connecting rod (supporting ball, 55), and the supporting ball is fixedly arranged on the second connecting block (56); and a second locking screw is arranged on the second connecting block (56) and locks the second connecting block from the side so as to adjust the height and the direction of the supporting ball.

4. A fixing device for spraying processing of composite material parts according to any of claims 1-3, characterized in that the main clamping plate (23) and the secondary clamping plate (22) are both made of ferromagnetic material, and the grating plate (1) is made of magnetic material in its entirety.

5. The method for fixing the composite material part spraying processing fixing device as claimed in claim 4, characterized by comprising the following steps:

s1, placing the workpiece (3) at a designated position on the grating plate (1) according to requirements, clamping the common clamp (4) and the simple clamp (2) on the lath (12) of the grating plate (1) in a matched manner, adjusting the position of the clamp, and fixing or supporting the workpiece (3) in a point limiting manner;

step S2, clamping the common clamp (4) on the contact surface of the workpiece (3) and the grid plate (1), wherein during clamping, the common clamp (4) can be properly moved by utilizing the main clamping plate (23) and the secondary clamping plate (22) of the common clamp (4) and the laths (12) on the grid plate (1) to contact the workpiece (3) and limit the position; the height of a connecting rod (supporting ball, 55) on the supporting rod (5) is changed by adjusting the first locking screw (52), the connecting rod (supporting ball, 55) is contacted with the side surface of the workpiece (3) and limited, and the height and the direction of the supporting ball are changed by adjusting the second locking screw, so that the supporting ball is contacted with the lower surface of the workpiece (3) and supported.

Technical Field

The invention relates to the field of composite material processing, in particular to a fixing device and a fixing method for spraying and processing a composite material workpiece.

Background

Composite material workpieces (such as carbon fiber resin matrix composite materials) often need certain surface treatment, such as sand blasting, paint spraying, glue spraying, flame aluminum spraying and the like, workpiece positioning is needed according to a spraying program before spraying, a spray gun can generate certain pressure on the surface of a workpiece (particularly, the acting force of operations such as sand blasting and the like is large) when spraying operation is carried out, the workpiece can be overturned and toppled in the processing process due to improper fixation, the surface of the workpiece is damaged or the workpiece is prevented from being sprayed or oversprayed, and particularly irregular workpieces with uneven placing surfaces or large side areas are placed.

The existing workpiece fixing method is to cut sponge cushions with different sizes and thicknesses according to the sizes of different workpieces by means of objects such as the sponge cushions during processing to fix the workpieces, but the fixation is not firm in the way. Therefore, it is necessary to design a general positioning and fixing method and a reasonable device to solve the above technical problems.

Disclosure of Invention

The invention aims to solve the problem that no proper positioning and fixing method and device exist in the spraying operation process of composite material workpieces in the prior art, provides a fixing device and method for spraying and processing the composite material workpieces, and improves the fixing efficiency and the fixing reliability of the workpieces.

In order to achieve the above object, the technical solution of the present invention is as follows:

a fixing device for spraying and processing a composite material part comprises a grating plate, wherein the grating plate consists of a frame and a plurality of parallel lathes arranged in the frame, and the grating plate is used for placing a workpiece and clamping a clamp; the clamping fixture comprises a common fixture and a simple fixture, the simple fixture comprises a chuck, a secondary clamp plate, a main clamp plate, a magnet, a pressing shaft and a spring, the chuck is arranged above the main clamp plate and the secondary clamp plate, the chuck is rotatably connected to the pressing shaft, and the main clamp plate and the secondary clamp plate are opened and closed through the spring sleeved on the outer ring of the pressing shaft; the common fixture comprises a simple fixture and a supporting rod connected to the simple fixture, and the supporting rod is connected with the simple fixture through a connecting block and used for supporting and limiting a workpiece.

Furthermore, a gap is designed between the main clamping plate and the secondary clamping plate, the gap corresponds to the shape of the plate strip on the grid plate, an L-shaped limiting groove is formed in the bottom of the main clamping plate, and the main clamping plate and the secondary clamping plate cover the plate strip on the grid after being clamped tightly.

Furthermore, the support rod comprises a connecting block, a first locking screw, a second locking screw, a support ball and a connecting rod, the connecting rod vertically penetrates through the first connecting block, the first locking screw is arranged on the side edge of the connecting block, and the connecting rod is locked from the side edge so as to adjust the height of the connecting rod; the support ball is arranged on one side of the connecting rod through a second connecting block, the second connecting block is rotatably connected to the connecting rod, and the support ball is fixedly arranged on the second connecting block; and the second locking screw is arranged on the second connecting block and locks the second connecting block from the side edge so as to adjust the height and direction of the supporting ball.

Furthermore, the main clamping plate and the secondary clamping plate are both made of ferromagnetic materials, and the whole grid plate is made of magnetic materials.

According to the fixing method of the fixing device for spraying and processing the composite material part, the fixing method comprises the following steps:

s1, placing the workpiece at a designated position on the grid plate according to requirements, clamping the common clamp and the simple clamp on the lath of the grid plate in a matching manner, adjusting the position of the clamp, and fixing or supporting the workpiece in a point limiting manner;

step S2, clamping the common clamp on the contact surface of the workpiece and the grid plate, wherein during clamping, the main clamping plate, the secondary clamping plate and the strip on the grid plate of the common clamp can be used for moving the common clamp properly to enable the common clamp to contact the workpiece and limit the position; and adjusting the first locking screw to change the height of the connecting rod on the supporting rod, so that the connecting rod is in contact with the side surface of the workpiece and is limited, and adjusting the second locking screw to change the height and the direction of the supporting ball so that the supporting ball is in contact with the lower surface of the workpiece and is supported.

In summary, the invention has the following advantages:

1. according to the invention, a plurality of workpieces can be placed on the grid plate for processing, the clamp has strong universality and can be adapted to workpieces with different shapes and sizes, the clamp has the functions of limiting and supporting, the clamp is convenient to disassemble and simple to use, the positioning time of the workpieces can be effectively reduced, the processing efficiency is improved, and meanwhile, the clamp has a simple structure and can effectively reduce the use cost;

2. in the invention, the grating plate is used for placing workpieces and clamping fixtures and is made of ferromagnetic materials, the size of the grating is determined according to the size of the workpieces, and the grating is designed to facilitate the flow of substances such as sand dust, paint and the like and to facilitate sand return and air exhaust;

3. the simple clamp comprises a chuck, a secondary clamping plate, a main clamping plate, a magnet, a pressing shaft and a spring, wherein the main clamping plate and the secondary clamping plate generate certain pressure on the grid plate under the action of the spring, and the L-shaped limiting groove of the main clamping plate and the secondary clamping plate cover the plate strips on the grid plate when the grid plate is clamped;

4. in the invention, the grating plate, the main clamping plate and the secondary clamping plate are all made of ferromagnetic materials, and the ferromagnetic magnet is adsorbed on the clamping plate to generate attraction force on the grating plate, thereby generating resistance to the movement of the clamp.

Drawings

FIG. 1 is a flow chart of a method for spray machining and fixing a composite material part;

FIG. 2 is a schematic diagram of a positioning method;

FIG. 3 is a schematic view of a fixing method;

FIG. 4 is a view showing a structure of a general jig;

FIG. 5 is a view showing the structure of a simple jig;

FIG. 6 is a view of the structure of the support bar;

in the figure:

1. the device comprises a grating plate, 2, a simple clamp, 3, a workpiece, 4, a common clamp, 5, a support rod, 11, a frame, 12, a batten, 21, a chuck, 22, a secondary clamp plate, 23, a main clamp plate, 24, a magnet, 25, a pressure shaft, 26, a spring, 51, a first connecting block, 52, a first locking screw, 53, a second locking screw, 54, a support ball, 55, a connecting rod, 56 and a second connecting block.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "vertical", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally arranged when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are used for convenience of description and simplification of description, but do not indicate or imply that the devices or elements that are referred to must have specific orientations, be constructed in specific orientations, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning 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 in specific cases to those skilled in the art.

Example 1

The invention provides a fixing device for spraying and processing a composite material part, which comprises a grating plate 1 as shown in figure 3, wherein the grating plate 1 consists of a frame 11 and a plurality of parallel laths 12 arranged in the frame 11, and the grating plate 1 is used for placing a workpiece 3 and clamping a clamp; the clamping fixture is divided into a common fixture 4 and a simple fixture 2, the simple fixture 2 comprises a chuck 21, a secondary clamp plate 22, a main clamp plate 23, a magnet 24, a pressing shaft 25 and a spring 26, the chuck 21 is arranged above the main clamp plate 23 and the secondary clamp plate 22, the chuck 21 is rotatably connected to the pressing shaft 25, the main clamp plate 23 and the secondary clamp plate 22 are opened and closed through the spring 26 sleeved on the outer ring of the pressing shaft 25, and the main clamp plate 23 and the secondary clamp plate 22 generate certain pressure on the grid plate 1 under the action of the spring 26; the common fixture 4 comprises a simple fixture 2 and a support rod 5, wherein the support rod 5 is connected with the simple fixture 2 through a connecting block and used for supporting and limiting the workpiece 3.

As shown in fig. 5, a gap is designed between the main plate 23 and the sub plate 22, the gap corresponds to the shape of the lath 12 on the grid plate 1, an L-shaped limiting groove is arranged at the bottom of the main plate 23, and the lath 12 on the grid is covered after the main plate 23 and the sub plate 22 are clamped.

This embodiment a combined material finished piece spraying processing fixing device, can place a plurality of work pieces 3 simultaneously on the grid plate 1 and process, the work piece 3 of different shapes of anchor clamps commonality stronger ability adaptation, size, anchor clamps possess spacing and support's function simultaneously, anchor clamps are dismantled conveniently, simple to use, can effectively reduce the positioning time of work piece 3, improve machining efficiency, the simple ability effectively reduces use cost of anchor clamps structure simultaneously.

Example 2

On the basis of the embodiment 1, further, as shown in fig. 6, the support rod 5 is arranged at one side of the common clamp 4, and comprises a first connecting block 51, a first locking screw 52, a second locking screw, a support ball and a connecting rod support ball 55, the first connecting block 51 is integrally connected with the common clamp 4, the connecting rod support ball 55 vertically penetrates through the first connecting block 51, the first locking screw 52 is arranged at the side edge of the connecting block, and the connecting rod support ball 55 is locked from the side edge so as to adjust the height of the connecting rod support ball 55; the support ball is arranged on one side of the connecting rod support ball 55 through a second connecting block 56, the connecting rod support ball 55 penetrates through the second connecting block 56 and is rotatably connected to the second connecting block 56, and the support ball is fixedly arranged on the second connecting block 56 and can rotate around the connecting rod support ball 55 along with the second connecting block 56; and a second locking screw is arranged on the second connecting block 56, and the second connecting block 56 is locked from the side edge so as to adjust the height and the direction of the supporting ball.

The supporting rod 5 can limit and support the workpiece 3, and the adjusting mode of the supporting rod 5 is as follows:

the height of the connecting rod supporting ball 55 on the supporting rod 5 can be changed by adjusting the tightness of the first locking screw 52, so that the connecting rod supporting ball 55 is in contact with and limited by the side surface of the workpiece 3, and the height and the direction of the supporting ball can be changed by adjusting the tightness of the second locking screw, so that the supporting ball is in contact with and supported by the lower surface of the workpiece 3, and the purposes of limitation and support are achieved.

Example 3

On the basis of embodiment 1, further, the main clamping plate and the secondary clamping plate are both made of ferromagnetic materials, and the grid plate is integrally made of magnetic materials. The strong magnetic magnet is adsorbed on the clamping plate and can generate attraction force on the grid plate, so that resistance is generated on the movement of the clamp, and a better limiting effect is achieved.

Example 4

The embodiment discloses a fixing method of a fixing device for spraying and processing a composite material part, which comprises the following steps of:

firstly, offsetting three points on two sides of the whole part by the distance of the frame 11, setting the distance between two points on the left side of the part and the frame 11 on the left side of the grating plate 1 during programming, and then setting the distance between one point on the upper end of the part and the frame 11, so that the position of the part in the frame 11 can be determined. I.e. a three-point positioning method as shown in fig. 2.

Step two, as shown in fig. 3, placing the workpiece 3 at a designated position on the grid plate 1 according to requirements, clamping the common clamp 4 and the simple clamp 2 on the laths 12 of the grid plate 1 in a matched manner, adjusting the position of the clamps, and fixing or supporting the workpiece 3 in a point limiting manner;

step three, clamping the common clamp 4 on the contact surface of the workpiece 3 and the grid plate 1, wherein during clamping, the main clamping plate 23 and the secondary clamping plate 22 of the common clamp 4 and the laths 12 on the grid plate 1 can be used for properly moving the common clamp 4 to enable the common clamp to contact the workpiece 3 and limit the position; the height of the connecting rod supporting balls 55 on the supporting rod 5 is changed by adjusting the first locking screw 52, so that the connecting rod supporting balls 55 are contacted with the side surface of the workpiece 3 and limited, and the height and the direction of the supporting balls are changed by adjusting the second locking screw so that the supporting balls are contacted with the lower surface of the workpiece 3 and supported.

And step four, after the spraying operation is finished, the clamp is disassembled, and the sprayed workpiece 3 is taken down.

While the present invention has been described in detail with reference to the illustrated embodiments, it should not be construed as limited to the scope of the present patent. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the appended claims.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.