Automatic feeding device for main fuel pipe installation

Abstract

The utility model provides an automatic feeding device for main fuel pipe installation, and relates to the field of main fuel pipe installation, the automatic feeding device comprises a first fixing plate, a conveying assembly is arranged in front of the first fixing plate, two installation frames are arranged at the top end of the first fixing plate, a pop-up frame assembly is arranged between the two installation frames, and transmission parts are arranged in the installation frames; two collecting assemblies are arranged at the top end of the pop-up frame assembly, clamping assemblies are arranged on the two sides of the collecting assembly located on the upper portion, and connecting assemblies are arranged on the front portions and the rear portions of the clamping assemblies. By means of the clamping assembly and the collecting assembly, when parts collected by the collecting assembly need to be used, the collecting assembly can be driven to move upwards to the needed position through the transmission part and the clamping assembly, use of installation personnel is facilitated, the production efficiency is improved, and the labor intensity is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to main fuel pipe installation field, specifically, relate to a main fuel pipe installation automatic feeding device. BACKGROUND

[0002] In the automobile manufacturing industry, the main fuel pipe installation automatic feeding device is used for transmitting the main fuel pipe and other parts for installing the main fuel pipe to the designated position so that the installation personnel can take and install, however, after the conventional feeding device transmits the parts to the end of the conveying belt for collection, the collected parts are usually at a certain height distance from the installation position, which causes the installation personnel to need to frequently bend down to take the parts for installation, increasing the physical exertion of the installation personnel.

[0003] For example: the utility model patent (application number: 202320088227.0) discloses "a kind of automobile fuel pipe finished product conveying mechanism", the specification discloses: including: lower end support frame, for making the main part of slide, the upper end of the lower end support frame is equipped with discharge ramp, the right side of the discharge ramp is rotatably connected with turnover ramp, the left side of the discharge ramp is equipped with bottom baffle, the inner side of the discharge ramp is equipped with limiting plate for limiting discharge amount, the lower end of the turnover ramp is equipped with slide support frame for supporting, the inner side of the slide support frame is rotatably connected with telescopic pneumatic cylinder, the telescopic pneumatic cylinder is rotatably connected to the lower end of the lower end support frame, the conveying mechanism for fuel pipe finished product can be used in the welding system of automobile fuel pipe, to facilitate robot to neatly stack the fuel pipe welded, and can send it one by one after cooling for a period of time, facilitate worker to carry and store, thereby effectively improve the welding efficiency of fuel pipe;The above patent can prove the defects existing in the prior art.

[0004] Therefore, we improve it and propose a main fuel pipe installation automatic feeding device. SUMMARY

[0005] The utility model aims at: aiming at the problem that the feeding device transmits the parts to the end of conveying belt for collection, and the parts are still at a certain height distance from the installation position.

[0006] In order to realize the above-mentioned invention purpose, improve the above-mentioned problem, the utility model provides main fuel pipe installation automatic feeding device, including no.

[0007] As a preferred technical scheme of the present application, the two mounting frames comprise a first mounting plate fixed to the top end of the first fixed plate, a connecting port is formed in the first mounting plate, a second mounting plate is fixedly arranged at the bottom end inside the connecting port, a third mounting plate is fixedly arranged at the top end inside the connecting port, two support plates are fixedly arranged on the side of the first mounting plate away from the ejector assembly and located at the front and rear ends of the connecting port respectively, and the support plates are fixedly connected with the first fixed plate.

[0008] As a preferred technical scheme of the present application, the ejector assembly comprises four first springs fixed to the top end of the first fixed plate, a limiting cylinder fixedly connected with the first fixed plate is arranged at the middle of the four first springs, a limiting column is slidably arranged inside the limiting cylinder, a limiting plate is fixedly arranged at the top end of the limiting column, the front end of the limiting plate is formed into an obtuse angle by being folded upward, a protrusion is arranged at the rear of the top end of the limiting plate, and the limiting plate is fixedly connected with the four first springs.

[0009] As a preferred technical scheme of the present application, the collecting assembly comprises two collecting boxes located above the limiting plate, the front end of each collecting box is arranged to be inclined forward, the collecting box located below is arranged at the top end of the limiting plate, a first connecting plate is fixedly arranged at each side of each collecting box, two second connecting grooves are formed in the side of each first connecting plate away from the collecting box, and a first connecting groove is formed in the side of each first connecting plate away from the collecting box and located between the two second connecting grooves.

[0010] As a preferred technical scheme of the present application, the clamping assembly comprises a second connecting plate slidably connected with the first mounting plate and located close to the collecting box, two first limiting frames are fixedly arranged on the side of the second connecting plate away from the collecting box, a second spring is fixedly arranged inside each first limiting frame, a first sliding block is fixedly arranged at the end of each second spring and slidably connected with the first limiting frame, a first inclined groove is formed in the side of each first sliding block close to the collecting box and below, the shape of the first connecting groove is matched with the shape of the first sliding block, the first sliding block passes through the second connecting plate and is located inside the first connecting groove at the end close to the collecting box, and a connecting cylinder is fixedly arranged on the side of the second connecting plate away from the first connecting groove and located between the two first limiting frames.

[0011] As a preferred technical scheme of the present application, a second motor is fixedly arranged on the second mounting plate, a threaded rod is fixed to the output end of the second motor, the threaded rod is rotatably connected with the third mounting plate by penetrating through the inside of the connecting cylinder, and the threaded rod is threadedly connected with the inside of the connecting cylinder.

[0012] As the preferred technical scheme of the present application, the four connecting assemblies comprise two No. 2 limiting frames respectively located at the side of the No. 2 connecting groove away from the collecting box, the two No. 2 limiting frames are fixed to the side of the No. 1 mounting plate away from the collecting box, the inside of the No. 2 limiting frame is fixedly provided with a No. 3 spring, the end of the No. 3 spring is fixedly provided with a No. 2 sliding block, the side of the No. 2 sliding block close to the collecting box is provided with a No. 2 inclined surface below, the inside of the No. 2 connecting groove is matched with the inside of the No. 2 inclined surface, and the side of the No. 2 inclined surface close to the collecting box passes through the No. 1 mounting plate and is located in the inside of the No. 2 connecting groove.

[0013] As the preferred technical scheme of the present application, the conveying assembly comprises two No. 2 fixed plates located at the front end of the No. 1 fixed plate, and a plurality of transmission rollers are rotatably arranged between the two No. 2 fixed plates and are transmissionally connected through a conveying belt.

[0014] As the preferred technical scheme of the present application, the outside of the conveying belt is fixedly provided with a plurality of elastic separation strips, the inside of the collecting box is fixedly provided with a plurality of separation plates with the same number as the elastic separation strips, and the plurality of separation plates are respectively located at the rear end of the plurality of elastic separation strips.

[0015] Compared with the prior art, the present application has the following beneficial effects:

[0016] In the scheme of the present application:

[0017] 1. By arranging the clamping assembly and the collecting assembly, when the collecting assembly needs to be used to collect parts, the collecting assembly can be driven by the transmission member and the clamping assembly to move up to the required position, so that the installation personnel can use it, improve the production efficiency, reduce the labor intensity, and solve the problem that in the prior art, after the parts are collected at the terminal point of the feeding device, the parts are still separated from the installation position by a certain height distance;

[0018] 2. By arranging the collecting assembly and the connecting assembly, when the upper collecting assembly moves upward, the lower collecting assembly will be pushed to the upper side by the elastic frame assembly and connected with the connecting assembly to continue collecting the parts, thereby solving the problem that in the prior art, after the upper collecting assembly moves upward, the lower part cannot continue to collect the parts. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The structure schematic view of the automatic feeding device for the main fuel pipe installation is provided in the present application;

[0020] Figure 2 The structure schematic view of the mounting frame and the elastic frame assembly in the automatic feeding device for the main fuel pipe installation is provided in the present application;

[0021] Figure 3 The structure schematic view of the mounting frame in the automatic feeding device for the main fuel pipe installation is provided in the present application;

[0022] Figure 4 An exploded view of the spring frame assembly in the automatic feeding device for the main fuel pipe provided in this application;

[0023] Figure 5 A schematic diagram of the collection component in the automatic feeding device installed on the main fuel line provided in this application;

[0024] Figure 6 A schematic diagram of the snap-fit ​​assembly in the automatic fuel supply device for the main fuel line provided in this application;

[0025] Figure 7 A schematic diagram of the snap-fit ​​assembly and connecting assembly in the automatic feeding device for the main fuel line provided in this application.

[0026] The image shows:

[0027] 1. Fixed plate No. 1; 2. Conveying assembly; 201. Fixed plate No. 2; 202. Conveyor belt; 203. Motor No. 1; 3. Mounting bracket; 301. Mounting plate No. 1; 302. Connecting port; 303. Mounting plate No. 2; 304. Mounting plate No. 3; 4. Spring frame assembly; 401. Limiting plate; 402. Spring No. 1; 403. Limiting cylinder; 404. Limiting post; 5. Collection assembly; 501. Collection box; 502. Connecting plate No. 1; 503. Connecting plate No. 1 504. Connecting slot 2; 6. Snap-fit ​​assembly; 601. Connecting plate 2; 602. Limiting frame 1; 603. Slider 1; 604. Inclined groove 1; 605. Spring 2; 606. Connecting cylinder; 7. Connecting assembly; 701. Limiting frame 2; 702. Slider 2; 703. Inclined surface 2; 704. Spring 3; 801. Motor 2; 802. Threaded rod; 901. Support plate; 10. Elastic separator strip; 11. Separator plate. Detailed Implementation

[0028] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0029] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0030] It should be noted that the embodiments in the utility model and the features and technical solutions in the embodiments can be combined with each other without conflict.

[0031] It should be noted that like reference numerals and letters refer to like items in the drawings, and thus once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.

[0032] Embodiment 1

[0033] Please refer to Figure 1 and Figure 2 The automatic feeding device for main fuel pipe installation comprises a first fixed plate 1, a conveying assembly 2 is arranged at the front of the first fixed plate 1, two mounting racks 3 are arranged at the top end of the first fixed plate 1, a spring box assembly 4 is arranged between the two mounting racks 3, a transmission member is arranged in the mounting rack 3, the transmission member is used for driving the upper collecting assembly 5 to move through the clamping assembly 6, two collecting assemblies 5 are arranged at the top end of the spring box assembly 4, the collecting assembly 5 is used for collecting the parts conveyed by the conveying assembly 2, clamping assemblies 6 are arranged at the two sides of the upper collecting assembly 5, the clamping assembly 6 is automatically clamped with the lower collecting assembly 5 when moving downward, and the clamping assembly 6 drives the collecting assembly 5 to move when moving upward, and a connecting assembly 7 is arranged at the front and rear of the clamping assembly 6.

[0034] Further, as shown in Figure 2 and Figure 3 The two mounting racks 3 comprise a first mounting plate 301 fixed to the top end of the first fixed plate 1, the first mounting plate 301 is used for being connected with the clamping assembly 6, a connecting port 302 is arranged on the first mounting plate 301, a second mounting plate 303 is fixedly arranged at the bottom end in the connecting port 302, a third mounting plate 304 is fixedly arranged at the top end in the connecting port 302, two support plates 901 are fixedly arranged on the side of the first mounting plate 301 away from the spring box assembly 4 and are respectively located at the front and rear ends of the connecting port 302, the support plate 901 is used for supporting the two first mounting plates 301, and the support plate 901 is fixedly connected with the first fixed plate 1.

[0035] Further, as shown in Figure 2 and Figure 4As shown, the pop-up assembly 4 includes four first springs 402 fixed to the top end of the first fixed plate 1. When the uppermost collection assembly 5 is driven upward and disconnected from the connecting assembly 7, the lowermost collection assembly 5 is pushed upward by the elastic force of the first spring 402 to connect with the connecting assembly 7. The middle of the four first springs 402 is provided with a limiting cylinder 403 fixedly connected with the first fixed plate 1. The limiting cylinder 403 is internally slidably provided with a limiting column 404. The limiting cylinder 403 and the limiting column 404 are used to prevent the limiting plate 401 from being misaligned when moving up and down. The top end of the limiting column 404 is fixedly provided with the limiting plate 401. The front end of the limiting plate 401 is upwardly folded to form an obtuse angle structure. The rear end of the top end of the limiting plate 401 is provided with a protrusion. Through the folding and protrusion, the collection assembly 5 can be better limited to prevent misalignment. The limiting plate 401 is fixedly connected with the four first springs 402.

[0036] Further, as shown in Figure 2 、 Figure 4 and Figure 5 , the collection assembly 5 includes two collection boxes 501 located above the limiting plate 401. The front end of the collection box 501 is inclined forwardly arranged, so that the parts can slide on the inclined surface to the inside of the collection box 501 when conveyed, avoiding direct falling to the bottom end of the collection box 501 to cause damage to the parts. The lower collection box 501 is located at the top end of the limiting plate 401. The two sides of the collection box 501 are fixedly provided with a first connecting plate 502. The side away from the collection box 501 of the first connecting plate 502 is provided with two second connecting grooves 504. The four second connecting grooves 504 are used to contact with the connecting assembly 7 respectively. The side away from the collection box 501 of the first connecting plate 502 is provided with two first connecting grooves 503 located between the two second connecting grooves 504. The first connecting groove 503 is used to contact with the clamping assembly 6.

[0037] Example 2

[0038] The automatic feeding device provided in example 1 is further optimized. Specifically, as shown in Figure 2 、 Figure 5 、 Figure 6 and Figure 7 , the clamping assembly 6 includes a second connecting plate 601 slidably connected to the side of the first mounting plate 301 close to the collection box 501. The side away from the collection box 501 of the second connecting plate 601 is fixedly provided with two first limiting frames 602. The inside of the first limiting frame 602 is fixedly provided with a second spring 605. The end of the second spring 605 is fixedly provided with a first sliding block 603 slidably connected with the first limiting frame 602. The side close to the collection box 501 of the first sliding block 603 is provided with a first inclined groove 604 below. The shape of the inside of the first connecting groove 503 matches the shape of the first sliding block 603.

[0039] The first sliding block 603 passes through the second connecting plate 601 inside the first connecting groove 503 near one end of the collecting box 501, the collecting box 501 is pressed downward by external force and is stopped, so that the collecting box 501 can be driven upward by the transmission member, and when the collecting box 501 is lifted upward, the first sliding block 603 is separated from the inside of the first connecting groove 503 through the first inclined groove 604, so that the collecting box 501 can be lifted out, and the second connecting plate 601 is fixed on the side away from the first connecting groove 503 and is provided with a connecting cylinder 606 between the two first limiting frames 602, and the connecting cylinder 606 is used for connecting with the transmission member.

[0040] Further, as shown in Figure 2 and Figure 3 , the second mounting plate 303 is fixedly provided with a second motor 801, the transmission member includes a threaded rod 802 fixed to the output end of the second motor 801, the threaded rod 802 is rotated by starting the second motor 801, the threaded rod 802 is rotatably connected to the third mounting plate 304 through the inside of the connecting cylinder 606, the threaded rod 802 is threadedly connected to the inside of the connecting cylinder 606, and the second motor 801 is rotated to drive the clamping assembly 6 and the uppermost collecting assembly 5 to move upward through the thread between the connecting cylinder 606, so as to move to the required height for the installer to take.

[0041] Further, as shown in Figure 2 , Figure 5 , Figure 6 and Figure 7 , the four connecting assemblies 7 include second limiting frames 701 respectively located on the side away from the collecting box 501 of the second connecting groove 504, the second limiting frame 701 is fixed to the side away from the collecting box 501 of the first mounting plate 301, the inside of the second limiting frame 701 is fixedly provided with a third spring 704, the end of the third spring 704 is fixedly provided with a second sliding block 702, the side near the collecting box 501 of the second sliding block 702 is provided with a second inclined surface 703 below, the second sliding block 702 and the second inclined surface 703 make the first sliding block 603 contact the collecting assembly 5 when moving downward, the top end of the second inclined surface 703 is stopped, so that the collecting assembly 5 is not pushed downward, on the contrary, the first sliding block 603 makes the second spring 605 retract through the inclination angle of the first inclined groove 604, the first inclined groove 604 is pushed into the inside of the first limiting frame 602, and then the first sliding block 603 is pushed into the inside of the first connecting groove 503 by the elastic force of the second spring 605 when the first sliding block 603 moves into the inside of the first connecting groove 503, at this time, the clamping assembly 6 moves upward again and drives the collecting assembly 5 to move upward;

[0042] The interior of the second connecting groove 504 matches the interior of the second inclined surface 703. The second inclined surface 703 passes through the first mounting plate 301 and is located in the interior of the second connecting groove 504. When the upper collecting assembly 5 is pulled upwards, the lower collecting box 501 is pushed upwards by the elastic force of the first spring 402. The second sliding block 702 is retracted through the second inclined surface 703 on the second sliding block 702. The collecting assembly 5 is continuously pushed upwards. When the second connecting groove 504 and the second sliding block 702 are at the same horizontal level, the second sliding block 702 is pushed into the interior of the second connecting groove 504 by the elastic force of the third spring 704. Because the friction increases after being inserted into the second connecting groove 504, the elastic force of the third spring 704 stops the movement of the collecting assembly 5, so that it continues to collect the parts transmitted by the conveying assembly 2. It ensures that the upper collecting assembly 5 can quickly replenish the lower collecting assembly 5 when it is pulled upwards. This avoids the interruption of feeding and improves work efficiency.

[0043] Further, as shown in Figure 1 , the conveying assembly 2 includes two second fixed plates 201 located at the front end of the first fixed plate 1. A plurality of transmission rollers are rotatably arranged between the two second fixed plates 201. The plurality of transmission rollers are drivingly connected through a conveying belt 202. One of the second fixed plates 201 is fixedly provided with a first motor 203 away from the conveying belt 202. The output end of the first motor 203 is fixedly connected with the last transmission roller through the second fixed plate 201. By starting the first motor 203, the connected transmission roller is driven to rotate, and then the conveying belt 202 and other transmission rollers are operated, so that the main fuel pipe and other parts on the conveying belt 202 are driven to move.

[0044] Example 3

[0045] The main fuel pipe installation automatic feeding device provided in examples 1 and 2 is further optimized, as shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 , the outer side of the conveying belt 202 is fixedly provided with a plurality of elastic separation strips 10. The elastic separation strips 10 are made of rubber, and their elasticity can cooperate with the operation of the conveying belt 202. Different parts are separated by the elastic separation strips 10. The interior of the collecting box 501 is fixedly provided with a plurality of separation plates 11 which are the same as the elastic separation strips 10. The separation plates 11 are used to classify the parts separated by the elastic separation strips 10, so as to be placed in the interior of the collecting box 501. The installer can quickly find the required parts when taking the parts. A plurality of separation plates 11 are respectively located at the rear end of a plurality of elastic separation strips 10.

[0046] The use process of the automatic fuel supply device installed on the main fuel pipe is as follows:

[0047] When it is needed to move the upper collecting assembly 5 upward to facilitate use of the parts collected in the interior, the second motor 801 on the two sides is started to drive the threaded rod 802 to move the connecting cylinder 606 and the collecting assembly 5 upward, at this time, the lower collecting assembly 5 is pushed upward by the first spring 402, the second sliding block 702 is clamped into the interior of the second connecting groove 504, thereby continuing to collect the parts transmitted by the conveying assembly 2, after the parts in the interior of the upper collecting box 501 are used up, the collecting assembly 5 is lifted upward, the first sliding block 603 is separated from the first connecting groove 503 through the first inclined groove 604, thereby the collecting assembly 5 is taken off, then the limiting plate 401 is pressed downward, the collecting assembly 5 originally located on the upper side is placed on the lower side, that is, the collecting assembly 5 taken off is placed on the top end of the limiting plate 401, so as to be used next time.

[0048] In the present application, unless otherwise clearly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or in communication with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements, unless otherwise clearly limited. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0049] Obviously, the above-described embodiments are only a part of the embodiments of the present application, not all the embodiments, and the preferred embodiments of the present application are given in the drawings, but do not limit the patent scope of the present application. The present application can be realized in many different forms, and conversely, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace some of the technical features. Any equivalent structure made by using the contents of the present application specification and drawings, directly or indirectly applied to other related technical fields, is also within the patent protection scope of the present application.

Claims

1. An automatic fuel supply device for a main fuel pipe, characterized by comprising: The utility model provides a kind of conveying device, including a fixed plate (1), the front of the fixed plate (1) is equipped with conveying assembly (2), the top of the fixed plate (1) is equipped with two mounting bracket (3), two the mounting bracket (3) between is equipped with spring box assembly (4), the inside of the mounting bracket (3) is equipped with transmission part, the top of the spring box assembly (4) is equipped with two collection assembly (5), the two sides of the collection assembly (5) located above are equipped with clamping assembly (6), the front and rear of the clamping assembly (6) are equipped with connecting assembly (7).

2. An automatic fuel feed device for a main fuel pipe installation according to claim 1, characterized in that, Two The mounting bracket (3) includes a fixed plate (301) fixed to the top of the fixed plate (1), a connecting port (302) is formed in the fixed plate (301), a second fixed plate (303) is fixedly arranged at the bottom of the connecting port (302), a third fixed plate (304) is fixedly arranged at the top of the connecting port (302), two support plates (901) are fixedly arranged on the side of the fixed plate (301) away from the spring box assembly (4), and the support plates (901) are fixedly connected with the fixed plate (1).

3. An automatic fuel feed device for a main fuel pipe installation according to claim 2, characterized in that, The spring box assembly (4) includes four first springs (402) fixed to the top of the fixed plate (1), a limiting cylinder (403) is arranged in the middle of the four first springs (402) and fixedly connected with the fixed plate (1), a limiting column (404) is slidably arranged in the limiting cylinder (403), a limiting plate (401) is fixedly arranged at the top of the limiting column (404), the front end of the limiting plate (401) is upwardly folded to form an obtuse angle structure, a protrusion is arranged at the rear of the top of the limiting plate (401), and the limiting plate (401) is fixedly connected with the four first springs (402).

4. An automatic fuel feed device for a main fuel pipe installation according to claim 3, characterized in that, The collection assembly (5) includes two collection boxes (501) located above the limiting plate (401), the front end of the collection box (501) is inclined forwardly, the lower collection box (501) is located at the top of the limiting plate (401), a first connecting plate (502) is fixedly arranged on the two sides of the collection box (501), two second connecting grooves (504) are formed in the side of the first connecting plate (502) away from the collection box (501), and two first connecting grooves (503) are formed in the side of the first connecting plate (502) away from the collection box (501) and located between the two second connecting grooves (504).

5. An automatic fuel feed device for a main fuel line installation according to claim 4, characterized in that The clamping assembly (6) comprises a second connecting plate (601) slidably connected to the first mounting plate (301) near the side of the collecting box (501), two first limiting frames (602) are fixedly arranged on the side of the second connecting plate (601) away from the collecting box (501), a second spring (605) is fixedly arranged in the first limiting frame (602), a first sliding block (603) is fixedly arranged at the end of the second spring (605) and slidably connected with the first limiting frame (602), a first inclined groove (604) is formed in the lower side of the first sliding block (603) near the collecting box (501), the shape of the first connecting groove (503) is matched with the shape of the first sliding block (603), the first sliding block (603) passes through the second connecting plate (601) and is located in the first connecting groove (503) near the collecting box (501), and a connecting barrel (606) is fixedly arranged on the side of the second connecting plate (601) away from the first connecting groove (503) and located between the two first limiting frames (602).

6. An automatic fuel feed device for a main fuel line installation according to claim 5, characterized in that The second mounting plate (303) is fixedly provided with a second motor (801), the transmission member comprises a threaded rod (802) fixed to the output end of the second motor (801), the threaded rod (802) is rotatably connected with the third mounting plate (304) through the inside of the connecting barrel (606), and the threaded rod (802) is in threaded connection with the inside of the connecting barrel (606).

7. An automatic fuel feed device for a main fuel line installation according to claim 6, characterized in that The four connecting assemblies (7) comprise second limiting frames (701) located on the sides of the second connecting grooves (504) away from the collecting box (501), the second limiting frames (701) are fixed to the side of the first mounting plate (301) away from the collecting box (501), third springs (704) are fixedly arranged in the second limiting frames (701), second sliding blocks (702) are fixedly arranged at the ends of the third springs (704), second inclined surfaces (703) are formed in the lower sides of the second sliding blocks (702) near the collecting box (501), the inside of the second connecting groove (504) is matched with the inside of the second inclined surface (703), and the second inclined surface (703) passes through the first mounting plate (301) and is located in the second connecting groove (504) near the collecting box (501).

8. An automatic fuel feed device for a main fuel line installation according to claim 7, characterized in that The conveying assembly (2) comprises two second fixed plates (201) located at the front end of the first fixed plate (1), a plurality of transmission rollers are rotatably arranged between the two second fixed plates (201), and the plurality of transmission rollers are in transmission connection through a conveying belt (202).

9. An automatic fuel feed device for a main fuel line installation according to claim 8, characterized in that A plurality of elastic separation strips (10) are fixedly arranged on the outer side of the conveying belt (202), the same number of separation plates (11) as the elastic separation strips (10) are fixedly arranged in the collecting box (501), and the plurality of separation plates (11) are located at the rear ends of the plurality of elastic separation strips (10) respectively.

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