WO2022116064A1

WO2022116064A1 - Composite material leaf spring and processing method therefor

Info

Publication number: WO2022116064A1
Application number: PCT/CN2020/133471
Authority: WO
Inventors: 刘旻; 刘雪品
Original assignee: 江苏擎弓科技股份有限公司
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2022-06-09

Abstract

The present invention provides a composite material leaf spring and a processing method therefor. The composite material leaf spring comprises a leaf spring body; threaded grooves are formed in the leaf spring body; two fixing frames are provided on the leaf spring body; threaded blocks are fixedly connected to the bottoms of the fixing frames; threaded rods are threadedly connected inside the threaded blocks, the top ends of the threaded rods are threadedly connected inside the threaded grooves, and compression springs are provided on two sides inside each of the fixing frames. According to the composite material leaf spring and the processing method therefor provided by the present invention, the fixing frames are provided, so that the leaf spring can be fixed, and the stability during use is improved; positioning plates are provided, so that the leaf spring is fixed secondarily, and the integral firmness is improved; and rubber blocks are provided, so that contact friction between the positioning plates and the leaf spring can be avoided, and certain potential safety hazard due to long-time friction damage of the leaf spring is avoided. Thus, the practicality of the leaf spring is improved.

Description

A kind of composite material leaf spring and its processing method

technical field

The invention relates to the field of leaf springs, in particular to a composite material leaf spring and a processing method thereof.

Background technique

Leaf spring, referred to as leaf spring, is a leaf spring composed of not less than one piece of spring steel superimposed and combined. Leaf springs are usually used in wheeled vehicle suspensions, originally called laminated or carrier springs, and sometimes called semi-elliptical springs. Spring or cart spring, it is one of the oldest forms of spring.

Leaf springs are long circular arcs of spring steel with a rectangular cross section, and in the most common leaf spring configuration, the center of the arc provides the location of the axle, while rings formed at either end are attached to the vehicle chassis, for very heavy vehicles, Leaf springs can be made from multiple leaves stacked together, usually with gradually shorter leaves, leaf springs can be used for positioning and a certain degree of damping and spring function, in the prior art, through some specific composite materials. It is processed and matched, and then manufactured into a composite material leaf spring.

Composite leaf springs are generally installed in the suspension of automobiles for use together to bear the load, thereby ensuring the smooth running of the automobile on the road. In the prior art, in order to improve the bearing load of the leaf spring, multiple The spring is superimposed on the device, and then multiple leaf springs are fixed by the fixing piece, so as to improve the stability of the car during driving. However, there is easy to produce large friction between the fixing piece and the leaf spring, which not only affects the use of the leaf spring The stable performance in the process is also easy to cause damage to the leaf spring, and there are certain safety hazards, thereby reducing the usability of the leaf spring.

Therefore, it is necessary to provide a composite material leaf spring and a processing method thereof to solve the above technical problems.

SUMMARY OF THE INVENTION

The invention provides a composite material leaf spring and a processing method thereof, which solves the problem that large friction is easily generated between the fixing member and the leaf spring, which not only affects the stability of the leaf spring during use, but also easily causes the leaf spring to wear out. If it is damaged, there is a certain safety hazard, which further reduces the usability of the leaf spring.

In order to solve the above technical problems, the composite material leaf spring provided by the present invention includes a leaf spring body, a threaded groove is opened on the leaf spring body, and two fixing frames are arranged on the leaf spring body, and the bottom of the fixing frame is fixed. A threaded block is connected, a threaded rod is threadedly connected to the inside of the threaded block, the top of the threaded rod is threadedly connected to the inside of the threaded groove, and both sides of the inside of the fixed frame are provided with compression springs. One end of the compression spring is arranged on the fixing frame, a positioning plate is arranged between the other ends of the two compression springs, and a plurality of rubber blocks are arranged on the positioning plate.

Preferably, a first screw rod is rotatably connected to the positioning plate, one end of the first screw rod penetrates the fixing frame and extends to the outside of the fixing frame, and the first screw rod extends to the fixing frame One end outside the frame is fixedly connected with a nut.

A processing method of a composite material leaf spring, comprising the composite material leaf spring, and the composite material leaf spring needs to be processed by using a processing method of the composite material leaf spring, comprising the following steps:

S1. First make the prepreg according to the product requirements, and cut it according to the specific size;

S2. After cutting, the stainless steel fiber cloth is cut again, and the size of the prepreg is the same as that of the prepreg cut in the previous step, and the two layers of prepreg are laid with a layer of stainless steel fiber cloth between them to obtain product 1;

S3, then carry out ash cleaning treatment to the obtained product one, and remove the dust attached to the surface of the obtained product one by the suction pump provided;

S4, then put the product one obtained in the previous step into a specific production mold for solidification, and obtain and then obtain product two;

S5. After the curing is completed, demould the obtained product 2 to obtain the composite leaf spring, and then measure its size to determine whether it meets the production requirements, and then mass-produce it.

Preferably, for cutting a specific size in S1, a cutting device needs to be used. The cutting device includes a processing box. One side of the inside of the processing box is fixedly connected with two support rods. An operating table is fixedly connected between the top ends, a box body is fixedly connected to both sides of the top of the operating table, a connecting frame is fixedly connected to the top of the box body, and a sliding frame is fixedly connected between two sides inside the connecting frame. The outer surface of the sliding rod is slidably connected with a sliding block, one side of the sliding block is fixedly connected with a suction head, and one side inside the processing box is provided with a cutting assembly.

Preferably, a moving block is fixedly connected to the other side of the sliding block, one side of the moving block is slidably connected to one side of the inside of the processing box, and one side of the inside of the processing box is rotatably connected through two fixed blocks There are idlers, a drive motor is arranged on one side of the inside of the processing box, and the output shaft of the drive motor is fixed on the idler.

Preferably, a traction rope is fixedly connected to the idler, and the bottom end of the traction rope is fixed on the moving block through a fixing ring.

Preferably, a hose is connected to the bottom of the suction head, a collector is fixedly connected to one side of the inside of the box, and a rotating shaft is rotatably connected between two sides of the inside of the collector. Activated carbon plate is fixedly connected to the surface.

Preferably, a suction pump is provided on one side of the inside of the box body, an air outlet pipe is connected to the bottom of the suction pump, one end of the air outlet pipe is communicated with the inside of the collecting member, and one end of the hose penetrates through the The box body is extended to the inside of the box body, and one end of the hose extending to the inside of the box body is communicated with the inside of the suction pump.

Preferably, a groove body is opened inside the operating table, a second screw rod is rotatably connected between two sides of the inside of the groove body, and one end of the second screw rod penetrates the operating table and extends to the Outside the operating table, the end of the second screw rod extending to the outside of the operating table is fixedly connected with a rotating member, the outer surface of the second screw rod is threadedly connected with a clamping member, and the top of the clamping member penetrates through The operating table extends to the top of the operating table, and the bottom of the clamping piece is slidably connected to one side inside the tank body.

Preferably, an unloading funnel is fixedly connected between the opposite sides of the two support rods, a waste box is fixedly connected to one side inside the processing box, and one side of the unloading funnel is connected to the waste box. Internal communication, baffles are fixedly connected between the two sides of the waste box, and one side of the baffle is respectively provided with a first screening plate and a second screening plate from top to bottom, the first screening plate One side of the plate and the second screening plate are arranged on one side of the inside of the waste box.

Compared with the related art, the composite material leaf spring and the processing method thereof provided by the present invention have the following beneficial effects:

The invention provides a composite material leaf spring. By setting a fixing frame, the leaf spring can be fixed to improve the stability during use, and the set positioning plate can be used for secondary fixing of the leaf spring and improve the overall The firmness of the plate spring is high, and the rubber block provided avoids the contact friction between the positioning plate and the leaf spring, and avoids the frictional damage of the leaf spring for a long time, and there are certain safety hazards, thereby improving the practicability of the leaf spring.

Description of drawings

1 is a schematic structural diagram of a first embodiment of a composite material leaf spring and a processing method thereof provided by the present invention;

Fig. 2 is the side view structure schematic diagram of the fixing frame shown in Fig. 1;

Fig. 3 is the side view structure schematic diagram of the positioning plate shown in Fig. 2;

4 is a schematic structural diagram of a second embodiment of a composite material leaf spring and a processing method thereof provided by the present invention;

Fig. 5 is the sectional structure schematic diagram of the waste box shown in Fig. 4;

Fig. 6 is the side sectional schematic diagram of the box body shown in Fig. 4;

FIG. 7 is a schematic side view of the structure of the connection frame shown in FIG. 4 .

Labels in the figure: 1. Leaf spring body; 2. Threaded groove; 3. Fixed frame; 4. Threaded block; 5. Threaded rod; 6. Compression spring; 7. Positioning plate; 8. Rubber block; 9. First wire rod; 10, nut; 11, processing box; 12, support rod; 13, console; 14, box body; 15, connecting frame; 16, sliding rod; 17, sliding block; 18, suction head; 19, moving block ;20, idler; 21, traction rope; 22, hose; 23, collecting piece; 24, rotating shaft; 25, activated carbon plate; 26, suction pump; 27, air outlet; 28, tank body; 29, second Screw; 30, rotating part; 31, unloading funnel; 32, waste box; 33, baffle plate; 34, first screening plate; 35, second screening plate; 36, drive motor; 37, cutting assembly; 38. Clamping parts.

Detailed ways

The present invention will be further described below with reference to the accompanying drawings and embodiments.

first embodiment

Please refer to FIG. 1, FIG. 2, and FIG. 3 in combination, wherein, FIG. 1 is a schematic structural diagram of the first embodiment of the composite material leaf spring and its processing method provided by the present invention; FIG. 2 is a side view of the fixing frame shown in FIG. 1. FIG. 3 is a schematic side view of the positioning plate shown in FIG. 2 . The composite material leaf spring includes a leaf spring body, the leaf spring body 1 is provided with a threaded groove 2, and the leaf spring body 1 is provided with two fixing frames 3, and the bottom of the fixing frame 3 is fixedly connected with a threaded block 4 , the inside of the threaded block 4 is threadedly connected with a threaded rod 5, the top of the threaded rod 5 is threadedly connected to the inside of the threaded groove 2, and both sides of the interior of the fixed frame 3 are provided with compression springs 6, two One end of each of the compression springs 6 is arranged on the fixing frame 3, a positioning plate 7 is arranged between the other ends of the two compression springs 6, and a plurality of rubber blocks 8 are arranged on the positioning plate 7;

The threaded groove 2 is adapted to the threaded rod 5;

Through the provided compression spring 6, in the process of rebounding, the positioning plate 7 is pushed to clamp and fix the leaf spring, so as to improve the firmness of clamping;

The number of rubber blocks 8 can be increased or decreased according to specific needs;

The provided rubber block 8 protects the leaf spring and avoids friction damage.

The positioning plate 7 is rotatably connected with a first screw rod 9 , one end of the first screw rod 9 penetrates the fixing frame 3 and extends to the outside of the fixing frame 3 , and the first screw rod 9 extends to the outside of the fixing frame 3 . A nut 10 is fixedly connected to one end outside the fixing frame;

The interior of both sides of the positioning plate 7 is provided with a thread, so that the thread and the first screw rod 9 are threadedly connected, and through the rotation of the nut 10, the first screw rod 9 pushes the positioning plate 7 to move forward or backward, and then reaches the Clamp and fix or loosen the leaf spring.

The working principle of the composite material leaf spring and its processing method provided by the present invention is as follows:

Step 1: When installing the fixed frame 3, firstly, insert it from both sides of the leaf spring. After the threaded rod 5 on the fixed frame 3 and the threaded groove 2 on the leaf spring are in the same vertical direction, the When the position of the fixed frame 3 is determined, by rotating the threaded rod 5, the threaded rod 5 slides upward in the threaded block 4, and then enters the threaded groove 2, through the threaded connection between the threaded rod 5 and the threaded groove 2. relationship, so that the threaded rod 5 enters the threaded groove 2 during the rotation process, thereby fixing the position of the fixing frame 3;

The second step: in order to improve the firmness of the fixing frame 3, by rotating the nut 10, the nut 10 drives the first screw rod 9 to rotate, and then squeezes the positioning plate 7, so that the positioning plate 7 is in the fixing frame 3. At the same time of sliding, it can contact and squeeze with the leaf spring, and drive the rubber block 8 provided on the positioning plate 7 to contact and squeeze with the leaf spring, so as to fix the leaf spring twice, thereby improving the stability of the leaf spring during use. firmness.

Compared with the related art, the composite material leaf spring provided by the present invention has the following beneficial effects:

By arranging the fixing frame 3, the leaf spring can be fixed to improve the stability during use, and the locating plate 7 can be used to fix the leaf spring twice to improve the overall firmness. The block 8 avoids the contact friction between the positioning plate 7 and the leaf spring, avoids the frictional damage of the leaf spring for a long time, and has certain potential safety hazards, thereby improving the practicability of the leaf spring.

Second Embodiment

Please refer to FIGS. 4-7 , based on the first embodiment of the present invention, a method for processing a composite leaf spring, the second embodiment of the present invention provides another method for processing a composite leaf spring, wherein the second embodiment This example does not prevent the independent implementation of the technical solution of the first embodiment.

Specifically, the present invention provides another processing method for a composite leaf spring that is different in that: for cutting a specific size in S1, a cutting device needs to be used, and the cutting device includes a processing box 11, and the processing Two support rods 12 are fixedly connected to one side of the inside of the box 11 , an operation table 13 is fixedly connected between the top ends of the two support rods 12 , and a box body 14 is fixedly connected to both sides of the top of the operation table 13 , A connecting frame 15 is fixedly connected to the top of the box body 14 , a sliding rod 16 is fixedly connected between two sides of the inner part of the connecting frame 15 , and a sliding block 17 is slidably connected to the outer surface of the sliding rod 16 . One side of the block 17 is fixedly connected with the suction head 18, and one side inside the processing box 11 is provided with a cutting assembly 37;

The cutting assembly 37 adopts the existing technology, and only needs to realize the effect of cutting and cutting the leaf spring;

The cutting assembly 37 includes two electric telescopic rods, a fixed plate, a motor and a cutting wheel. The rotation of the motor drives the cutting wheel to rotate, and the electric telescopic rod moves downward to drive the cutting wheel to cut and cut the surface of the leaf spring;

Through the provided suction head 18, the exhaust gas generated during the cutting process can be sucked.

The other side of the sliding block 17 is fixedly connected with a moving block 19, one side of the moving block 19 is slidably connected to the inner side of the processing box 11, and the inner side of the processing box 11 passes through two fixed blocks An idler roller 20 is rotatably connected, and a drive motor 36 is arranged on one side of the inside of the processing box 11 , and the output shaft of the drive motor 36 is fixed on the idler roller 20 ;

The drive motor 36 is connected with the external power supply and the control switch;

The driving motor 36 is a forward and reverse driving motor 36, which realizes that the pulling rope 21 is loosened and wound, and the effect of the up and down movement of the suction head 18 is reached, and then the air in the processing box 11 is sucked in a wide range;

The moving block 19 provided facilitates the pulling rope 21 to pull the suction head 18 to slide up and down.

A traction rope 21 is fixedly connected to the idler roller 20 , and the bottom end of the traction rope 21 is fixed on the moving block 19 through a fixing ring.

A hose 22 is connected to the bottom of the suction head 18 , a collecting piece 23 is fixedly connected to one side of the inside of the box body 14 , and a rotating shaft 24 is rotatably connected between two sides of the inside of the collecting piece 23 . An activated carbon plate 25 is fixedly connected to the outer surface of the shaft 24;

The hose 22 can be stretched to meet the up and down sliding of the suction head 18;

The material of the hose 22 is made of high temperature resistant material, so as to avoid the generated waste having a certain temperature and causing scalding damage to the hose 22;

The activated carbon plate 25 has the effect of adsorbing and purifying the exhaust gas, so that the harmful substances in the exhaust gas can be removed, so as to avoid environmental pollution caused by discharge;

One side of the collecting member 23 is communicated with an exhaust pipe, which discharges the filtered and purified exhaust gas.

A suction pump 26 is provided on one side of the inside of the box body 14 , and an air outlet pipe 27 is communicated with the bottom of the suction pump 26 . One end of the hose 22 extends through the box body 14 and extends to the inside of the box body 14, and one end of the hose 22 that extends to the inside of the box body 14 communicates with the inside of the suction pump 26;

The suction pump 26 is connected with the external power supply and the control switch;

The provided suction pump 26 can absorb the exhaust gas generated during the cutting process.

A groove body 28 is opened inside the operating table 13 , a second screw rod 29 is rotatably connected between two sides of the inside of the groove body 28 , and one end of the second screw rod 29 penetrates the operating table 13 and extends To the outside of the operating table 13 , the end of the second screw rod 29 extending to the outside of the operating table 13 is fixedly connected with a rotating member 30 , and the outer surface of the second screw rod 29 is threadedly connected with a clamping member 38 , the top of the clamping member 38 penetrates through the operating table 13 and extends to the top of the operating table 13, and the bottom of the clamping member 38 is slidably connected to one side of the inside of the groove body 28;

The clamping member 38 adopts the prior art, and only needs to achieve the effect of clamping and fixing the processing member (leaf spring), which is convenient for processing.

A blanking funnel 31 is fixedly connected between the opposite sides of the two support rods 12 , a waste box 32 is fixedly connected to one side of the inside of the processing box 11 , and one side of the blanking funnel 31 is connected to the waste material. The interior of the box 32 is communicated, and a baffle plate 33 is fixedly connected between two sides of the waste box 32. One side of the baffle plate 33 is respectively provided with a first screening plate 34 and a second screening plate from top to bottom. 35, one side of the first screening plate 34 and the second screening plate 35 is arranged on one side of the inside of the waste box 32;

The aperture size of the first screening plate 34 and the second screening plate 35 is 1:0.6, which is convenient for collecting wastes of different volumes;

One side of the baffle 33 is provided with two waste waste boxes to collect wastes of different volumes.

Step 1: When cutting the leaf spring, a cutting device needs to be used. When using it, first, the leaf spring needs to be fixed and clamped to facilitate cutting. The leaf spring is placed on the operating table 13, and then the parts 30 is rotated, so that the clamping member 38 on the second screw rod 29 is sliding, and then the leaf spring is clamped and fixed, and then the leaf spring is cut through the provided cutting assembly 37;

Step 2: During the cutting process, a large amount of waste chips and waste gas generated by cutting will be generated, which will be discharged to the outside of the processing box 11, which will cause certain pollution to the surrounding environment. When removing the waste gas, start the suction pump 26, The suction head connected to the suction pump 26 sucks the exhaust gas generated during the cutting process, and then transports the generated exhaust gas to the collecting piece 23 through the transportation of the hose 22 and the gas outlet pipe 27, so that the activated carbon provided in the collecting piece 23 The plate 25 is blown, and then drives the rotating shaft 24 to rotate, so that the activated carbon plate 25 rotates in the collecting member 23, and adsorbs and purifies the incoming exhaust gas;

The third step: and in the process of cutting, a large amount of waste will be generated. Through the set unloading funnel 31, the waste left on the operating table 13 will be swept into the unloading funnel 31, and then transported through it. It falls into the waste box 32, and the first screening plate 34 and the second screening plate 35 are provided to screen and filter the falling waste, so as to collect different volumes of waste and enter the baffle 33. on the scrap box.

Step 4: When absorbing the exhaust gas, start the drive motor 36 to make the idler 20 on the output shaft of the drive motor 36 rotate, so as to realize the retraction and release of the traction rope 21, and drive the suction head 18 to reciprocate, so that the suction head 18 is reciprocated. The sliding block 17 on the head 18 slides on the sliding rod 16, so that the moving block 19 on the sliding block 17 slides up and down on the inner wall of the processing box 11, so as to facilitate the rapid suction and purification of exhaust gas.

The suction head 18 provided can absorb the exhaust gas generated in the cutting process, and through the reciprocating motion of the suction head 18, the large area of air in the processing box 11 can be sucked to improve the processing efficiency. 25. The sucked air can be filtered and purified to avoid pollution caused by discharge to the environment, and the generated waste can be transported to the waste box 32 through the set unloading funnel 31 for centralized collection. The first sieving plate 34 and the second sieving plate 35 screen the collected waste, so as to facilitate the reuse after recovery, thereby saving the production cost and worthy of widespread use in a large area.

The above descriptions are only embodiments of the present invention, and are not intended to limit the scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied to other related technologies Fields are similarly included in the scope of patent protection of the present invention.

Claims

A composite material leaf spring, comprising a leaf spring body, characterized in that: the leaf spring body (1) is provided with a threaded groove (2), and the leaf spring body (1) is provided with two fixing frames (3) A threaded block (4) is fixedly connected to the bottom of the fixing frame (3), a threaded rod (5) is threadedly connected inside the threaded block (4), and the top of the threaded rod (5) is threadedly connected to the Inside the thread groove (2), compression springs (6) are provided on both sides of the interior of the fixing frame (3), and one end of the two compression springs (6) is arranged on the fixing frame (3) A positioning plate (7) is arranged between the other ends of the two compression springs (6), and a plurality of rubber blocks (8) are arranged on the positioning plate (7).
The composite material leaf spring according to claim 1, wherein a first screw rod (9) is rotatably connected to the positioning plate (7), and one end of the first screw rod (9) penetrates through the fixed The frame (3) extends to the outside of the fixing frame (3), and a nut (10) is fixedly connected to one end of the first screw rod (9) extending to the outside of the fixing frame.
A method for processing a composite material leaf spring, characterized in that it includes the composite material leaf spring according to any one of claims 1-2, and the composite material leaf spring needs to use the composite material leaf spring during processing. The processing method includes the following steps:

S1. First make the prepreg according to the product requirements, and cut it according to the specific size;

S2. After cutting, the stainless steel fiber cloth is cut again, and the size of the prepreg is the same as that of the prepreg cut in the previous step, and the two layers of prepreg are laid with a layer of stainless steel fiber cloth between them to obtain product 1;

S3, then carry out ash cleaning treatment to the obtained product one, and remove the dust attached to the surface of the obtained product one by the suction pump provided;

S4, then put the product one obtained in the previous step into a specific production mold for solidification, and obtain and then obtain product two;

S5. After the curing is completed, demould the obtained product 2 to obtain the composite leaf spring, and then measure its size to determine whether it meets the production requirements, and then mass-produce it.
The processing method of the composite material leaf spring according to claim 3, characterized in that, for cutting a specific size in S1, a cutting device is required, and the cutting device comprises a processing box (11), and the processing box (11) Two support rods (12) are fixedly connected to one side of the interior, and an operation table (13) is fixedly connected between the top ends of the two support rods (12). A box body (14) is fixedly connected to the sides, a connection frame (15) is fixedly connected to the top of the box body (14), and a sliding rod (16) is fixedly connected between two sides inside the connection frame (15). A sliding block (17) is slidably connected to the outer surface of the sliding rod (16), a suction head (18) is fixedly connected to one side of the sliding block (17), and one side of the inside of the processing box (11) is provided There are clipping components (37).
The processing method of the composite material leaf spring according to claim 4, wherein a moving block (19) is fixedly connected to the other side of the sliding block (17), and one side of the moving block (19) slides is connected to the inner side of the processing box (11), the inner side of the processing box (11) is rotatably connected with a supporting roller (20) through two fixing blocks, and the inner side of the processing box (11) is provided with There is a drive motor (36), and the output shaft of the drive motor (36) is fixed on the idler roller (20).
The method for processing a composite material leaf spring according to claim 5, wherein a traction rope (21) is fixedly connected to the idler roller (20), and the bottom end of the traction rope (21) is fixed by a fixing ring on the moving block (19).
The method for processing a composite material leaf spring according to claim 4, wherein a hose (22) is connected to the bottom of the suction head (18), and a side of the inside of the box body (14) is fixedly connected with a hose (22). A collecting piece (23), a rotating shaft (24) is rotatably connected between two inner sides of the collecting piece (23), and an activated carbon plate (25) is fixedly connected to the outer surface of the rotating shaft (24).
The method for processing a composite material leaf spring according to claim 7, wherein a suction pump (26) is provided on one side of the inside of the box body (14), and the bottom of the suction pump (26) communicates with an outlet. An air pipe (27), one end of the air outlet pipe (27) communicates with the inside of the collecting member (23), and one end of the hose (22) penetrates the box body (14) and extends to the box body Inside (14), one end of the hose (22) extending to the inside of the box body (14) communicates with the inside of the suction pump (26).
The method for processing a composite material leaf spring according to claim 4, characterized in that a groove body (28) is opened inside the operating table (13), and two sides of the groove body (28) rotate between two sides. A second screw rod (29) is connected, one end of the second screw rod (29) penetrates the operating table (13) and extends to the outside of the operating table (13), the second screw rod (29) ) is fixedly connected with a rotating member (30) at one end extending to the outside of the operating table (13), a clamping member (38) is threadedly connected to the outer surface of the second screw rod (29), and the clamping member ( The top of 38) penetrates through the operating table (13) and extends to the top of the operating table (13), and the bottom of the clamping member (38) is slidably connected to one side inside the groove body (28).
The processing method of the composite material leaf spring according to claim 4, characterized in that a feeding hopper (31) is fixedly connected between the opposite sides of the two support rods (12), and the processing box (11) A waste box (32) is fixedly connected to one side of the inside of the ), one side of the unloading funnel (31) is communicated with the inside of the waste box (32), and the two sides of the waste box (32) are fixed between A baffle plate (33) is connected, one side of the baffle plate (33) is respectively provided with a first screening plate (34) and a second screening plate (35) from top to bottom, the first screening plate (34) and one side of the second screening plate (35) are both arranged on one side of the inside of the waste box (32).