Frame assembly splicing equipment

Abstract

The utility model discloses frame assembly splicing equipment, which relates to the technical field of automobile part assembly and comprises a splicing table, and a first sliding rail is distributed at the upper end of the splicing table along the length direction of the splicing table; the two ends of the chain are fixed to the assembling table, and the chain is parallel to the first sliding rail. The movable clamping mechanism is in transmission connection with the chain and slides along the first sliding rail; the limiting mechanisms are distributed on two sides of the upper end of the assembling table; the auxiliary platform is distributed, mounted and inserted between the two limiting mechanisms in the length direction of the assembly table, and the auxiliary platform is located above the movable clamping mechanism; the auxiliary platform is used for placing assembling tools and standard parts; the two sets of frame longitudinal beams are located between the limiting mechanisms and clamped and positioned through the movable clamping mechanisms so as to achieve assembly forming of the frame assembly. The movable clamping mechanism in the equipment moves through the linear sliding rail and the chain, the compression air cylinder is used for clamping and positioning a combined frame assembly, the equipment can be matched with various vehicle types, the frame assembly quality is improved, the production efficiency is improved, the labor intensity is low, and potential safety hazards are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts assembly, in particular to frame assembly assembly equipment. Background Art

[0002] With the development of society, the number of vehicles has increased dramatically, and cars have become an indispensable means of transportation in modern society. In the manufacture of vehicles, the frame riveting line is a very important part of the body structure. As the assembly line of the trial model frame, the frame riveting line refers to the operation of connecting the various parts of the frame. These parts are usually fixed together by various parts, such as welding, spirals, sleeves, glue or riveting, among which riveting is a very common and widely used technology, which is widely used in the connection and reinforcement of body structures.

[0003] The assembly device in the existing frame riveting line is relatively simple, and is basically assembled by manpower. This method has some disadvantages:

[0004] 1. Product quality is difficult to guarantee;

[0005] 2. Low work efficiency;

[0006] 3. The labor intensity of workers is high;

[0007] 4. There are certain safety hazards.

[0008] Therefore, in order to solve the above problems, a device is designed which has an optimized structure, quick assembly, can be matched with different frame assemblies for assembly and use, improves processing efficiency and ensures product quality. Utility Model Content

[0009] The purpose of the utility model is to provide a frame assembly assembly device with optimized structure, quick assembly, which can be matched with different frame assemblies for assembly and use, improves processing efficiency, and ensures product quality.

[0010] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0011] Frame assembly equipment, including:

[0012] An assembly platform, wherein a first slide rail is distributed along the length direction of the upper end of the assembly platform;

[0013] A chain, both ends of which are fixed on the assembly table, and the chain is parallel to the first slide rail;

[0014] A mobile clamping mechanism, the mobile clamping mechanism is connected to the chain transmission and slides along the first slide rail;

[0015] Limiting mechanisms, which are distributed on both sides of the upper end of the assembly table;

[0016] Auxiliary platforms are installed along the length of the assembly platform and inserted between the two sets of limit mechanisms, and the auxiliary platforms are located above the mobile clamping mechanism;

[0017] The auxiliary platform is used to place assembly tools and standard parts;

[0018] The two groups of frame longitudinal beams are located between the limiting mechanisms and are clamped and positioned by a movable clamping mechanism to realize assembly and forming of the frame assembly.

[0019] Furthermore, the mobile clamping mechanism comprises:

[0020] Base;

[0021] A fixing structure and a limiting structure are installed on both sides of the upper end of the base;

[0022] A clamping space for installing the frame longitudinal beam is formed between the fixing structure and the limiting structure;

[0023] Also includes:

[0024] Transmission part 1 and transmission part 2;

[0025] The transmission part is interlaced and installed on the fixed structure and the limiting structure;

[0026] The second transmission part is installed at the bottom of the base;

[0027] The first transmission part and the second transmission part are respectively connected to the chain to realize the sliding of the mobile clamping mechanism along the first slide rail.

[0028] Further, the base has a first mounting plate and a second mounting plate;

[0029] The first mounting plate is located parallel to and below the second mounting plate;

[0030] A plurality of groups of supporting square tubes are spaced apart between the first mounting plate and the second mounting plate;

[0031] The fixing structure and the limiting structure are mounted on the second mounting plate;

[0032] The first mounting plate and the second mounting plate are provided with through holes corresponding to the positions;

[0033] The chain passes through the through holes in sequence from bottom to top and forms a transmission connection with the first transmission part and the second transmission part.

[0034] Furthermore, the fixing structure has a first fixing seat and a limiting block;

[0035] The limit block is fixedly mounted on the first fixed seat;

[0036] The limiting structure has a second fixing seat;

[0037] A third mounting plate is mounted on the second fixing seat;

[0038] The third mounting plate is provided with a second slide rail and a mounting seat;

[0039] A sliding block is slidably connected to the second sliding rail;

[0040] The frame longitudinal beam is installed between the limit block and the slider;

[0041] A positioning plate is installed on a side of the second slide rail away from the limiting block;

[0042] A cylinder is mounted on the mounting seat;

[0043] The driving end of the cylinder passes through the mounting seat and the positioning plate in sequence and drives the connecting slider;

[0044] The cylinder drives the slide block to slide along the second slide rail so that the slide block gradually approaches or moves away from the limit block to clamp or release the frame longitudinal beam.

[0045] Further, the transmission part has a rotating shaft;

[0046] The rotating shaft is connected through the first fixing seat and the second fixing seat;

[0047] A rotating disk is installed on one end of the rotating shaft extending to the outside of the first fixed seat;

[0048] The other end of the rotating shaft is mounted on the second fixed seat through a bearing seat;

[0049] A driving sprocket is installed on the rotating shaft;

[0050] The second transmission part has a driven sprocket;

[0051] The driven sprocket is mounted on the bottom of the first mounting plate;

[0052] The chain passes through the through hole and forms a chain drive with the driving sprocket and the driven sprocket;

[0053] The rotating shaft is rotated by the rotating disk to form a driving sprocket that rotates synchronously with the chain to achieve the movement of the driven sprocket along the chain;

[0054] The driven sprocket moves along the chain to drive the mobile clamping mechanism to move synchronously along the first slide rail.

[0055] Furthermore, a roller is installed below the first mounting plate;

[0056] The movable clamping mechanism slides along the first slide rail via rollers.

[0057] Further, the assembly table has a bottom plate and legs;

[0058] A plurality of groups of legs are distributed at intervals on both sides of the bottom plate;

[0059] The two groups of the first slide rails are distributed in parallel on the bottom plate.

[0060] Furthermore, the chain is fixed to the base plate by a fixing buckle;

[0061] Tension nuts are installed at both ends of the chain.

[0062] In the above technical solution, the frame assembly assembly equipment of the utility model has the following beneficial effects:

[0063] The utility model provides a frame assembly assembly device, which uses three groups of mobile clamping mechanisms and one group of limiting mechanisms to perform segmented clamping and limiting on various parts of the frame assembly. The mobile clamping mechanism is moved by a linear slide rail and a chain, and a compression cylinder is used to clamp and position the assembled frame assembly. The mobile clamping mechanism can avoid necessary assembly positions and can match a variety of vehicle models. After using the frame assembly assembly device, the one-time assembly quality of the frame is improved, the production efficiency is improved, and the labor intensity and safety hazards are reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0064] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0065] Figure 1 A schematic diagram of the structure of a vehicle frame assembly assembly device provided by an embodiment of the utility model;

[0066] Figure 2 A schematic diagram of the structure of a movable clamping mechanism in a frame assembly assembly device provided by an embodiment of the utility model;

[0067] Figure 3 A schematic diagram of the structure of a movable clamping mechanism in a frame assembly assembly device provided by an embodiment of the utility model;

[0068] Figure 4 A schematic diagram of the structure of an assembly platform in a vehicle frame assembly assembly device provided by an embodiment of the utility model;

[0069] Figure 5 A schematic diagram of the structure of a chain in a frame assembly assembly device provided by an embodiment of the utility model;

[0070] Figure 6A schematic diagram of the structure of a limit mechanism in a frame assembly assembly device provided in an embodiment of the utility model;

[0071] Figure 7 A schematic structural diagram of an auxiliary platform in a vehicle frame assembly assembly device provided in an embodiment of the utility model.

[0072] Description of reference numerals:

[0073] 1. Assembly table; 2. First slide rail; 3. Chain; 4. Mobile clamping mechanism; 5. Limiting mechanism; 6. Auxiliary platform; 7. Roller; 8. Fixed buckle; 9. Tension nut;

[0074] 11. Bottom plate; 12. Legs;

[0075] 41. Base; 42. Fixed structure; 43. Limiting structure; 44. Transmission part 1; 45. Transmission part 2;

[0076] 411, first mounting plate; 412, second mounting plate; 413, supporting square tube; 414, through hole;

[0077] 421, first fixing seat; 422, limiting block;

[0078] 431, second fixing seat; 432, third mounting plate; 433, second slide rail; 434, mounting seat;

[0079] 435, slider; 436, positioning plate; 437, cylinder;

[0080] 441, rotating shaft; 442, rotating disk; 443, bearing seat; 444, driving sprocket;

[0081] 451. Driven sprocket. DETAILED DESCRIPTION

[0082] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0083] It should be noted that the terms "upper end", "above", "bottom", "below", "both sides", etc. used in this document indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description. Similar expressions are only for the purpose of explanation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0084] See also Figure 1-Figure 7 As shown;

[0085] Frame assembly equipment, including:

[0086] An assembly platform 1, wherein a first slide rail 2 is distributed along the length direction of the upper end of the assembly platform 1;

[0087] Chain 3, both ends of which are fixed on the assembly table 1, and the chain 3 is parallel to the first slide rail 2;

[0088] The mobile clamping mechanism 4 is transmission-connected with the chain 3 and slides along the first slide rail 2;

[0089] The limiting mechanism 5 is distributed on both sides of the upper end of the assembly platform 1;

[0090] Auxiliary platforms 6, which are distributed and installed along the length direction of the assembly platform 1 and inserted between the two sets of limit mechanisms 5, and the auxiliary platforms 6 are located above the movable clamping mechanism 4;

[0091] The auxiliary platform 6 is used to place assembly tools and standard parts;

[0092] The two groups of frame longitudinal beams are located between the limiting mechanisms 5 and are clamped and positioned by the movable clamping mechanism 4 to realize the assembly and forming of the frame assembly.

[0093] Specifically, the bottom of the frame assembly assembly equipment is an assembly table 1, which has a certain length and can accommodate other components for installation and use. Two sets of first slide rails 2 in parallel are arranged on the assembly table 1, and the first slide rails 2 are distributed along the length direction of the assembly table 1. A chain 3 is arranged between the two sets of first slide rails 2, and the chain 3 is parallel to the track of the first slide rail 2. Multiple sets of mobile clamping mechanisms 4 are slidably installed on the first slide rail 2, and a limiting mechanism 5 is installed on the assembly table 1. The limiting mechanism 5 is located on one side of the mobile clamping mechanism 4, and there is space between the two sets of limiting mechanisms 5. The auxiliary platform 6 passes through the top of the mobile clamping mechanism 4 and is located between the two sets of limiting mechanisms 5. When in use, first, one longitudinal beam of the frame is located on the multiple sets of mobile clamping mechanisms 4, and the front end of the frame longitudinal beam supports the limiting mechanism 5. According to the position of the other longitudinal beam of the frame, the mobile clamping mechanism 4 is started to move the other longitudinal beam to the corresponding position, and the two frame longitudinal beam components are stabilized and clamped and positioned, and then the assembled frame assembly is assembled.

[0094] The mobile clamping mechanism 4 comprises:

[0095] Base 41;

[0096] A fixing structure 42 and a limiting structure 43 are installed on both sides of the upper end of the base 41;

[0097] A clamping space for installing the frame longitudinal beam is formed between the fixing structure 42 and the limiting structure 43;

[0098] Also includes:

[0099] Transmission part 1 44 and transmission part 2 45;

[0100] The transmission part 44 is installed interlaced on the fixed structure 42 and the limiting structure 43;

[0101] The second transmission part 45 is installed at the bottom of the base 41;

[0102] The first transmission part 44 and the second transmission part 45 are respectively connected to the chain 3 to enable the mobile clamping mechanism 4 to slide along the first slide rail 2 .

[0103] Specifically, the mobile clamping mechanism 4 has a base 41, a fixed structure 42, a limiting structure 43, a transmission part 1 44 and a transmission part 2 45, wherein the fixed structure 42 and the limiting structure 43 are installed on both sides of the base 41, and the frame longitudinal beam is installed between the fixed structure 42 and the limiting structure 43. The frame longitudinal beam is clamped and fixed by the fixed structure 42 and the limiting structure 43 to realize the assembly operation, wherein the transmission part 1 44 is installed on the fixed structure 42 and the limiting structure 43, and the transmission part 2 45 is installed at the bottom of the base 41, and the transmission part 1 44 and the transmission part 2 45 are respectively connected to the chain 3 and form a transmission connection through the chain 3. The mobile clamping mechanism 4 can slide along the first slide rail 2 as a whole by driving the transmission part 1 44 and the transmission part 2 45, thereby adjusting the position of the mobile clamping mechanism 4, and then clamping and positioning the frame longitudinal beam to avoid the position where the frame assembly needs to be bolted.

[0104] The base 41 has a first mounting plate 411 and a second mounting plate 412;

[0105] The first mounting plate 411 is located parallel to and below the second mounting plate 412;

[0106] A plurality of groups of supporting square tubes 413 are spaced apart between the first mounting plate 411 and the second mounting plate 412;

[0107] The fixing structure 42 and the limiting structure 43 are mounted on the second mounting plate 412;

[0108] The first mounting plate 411 and the second mounting plate 412 are provided with through holes 414 corresponding to the positions;

[0109] The chain 3 passes through the through holes 414 in sequence from bottom to top and forms a transmission connection with the first transmission part 44 and the second transmission part 45 .

[0110] Specifically, the base 41 has two layers of mounting plates, namely a first mounting plate 411 and a second mounting plate 412. The first mounting plate 411 and the second mounting plate 412 are supported and connected by a square tube 413. The fixing structure 42 and the limiting structure 43 are distributed and installed on both sides of the upper end of the second mounting plate 412. The second mounting plate 412 and the first mounting plate 411 located between the fixing structure 42 and the limiting structure 43 are provided with corresponding through holes 414. The chain 3 passes through the corresponding through holes 414 at the upper and lower positions in turn and forms a transmission connection with the transmission part 1 44 and the transmission part 2 45.

[0111] The fixing structure 42 has a first fixing seat 421 and a limiting block 422;

[0112] The limiting block 422 is fixedly mounted on the first fixing seat 421;

[0113] The limiting structure 43 has a second fixing seat 431;

[0114] A third mounting plate 432 is mounted on the second fixing seat 431;

[0115] The third mounting plate 432 is provided with a second slide rail 433 and a mounting seat 434;

[0116] The second slide rail 433 is slidably connected with a slider 435;

[0117] The frame longitudinal beam is installed between the limit block 422 and the slider 435;

[0118] A positioning plate 436 is installed on one side of the second slide rail 433 away from the limiting block 422;

[0119] A cylinder 437 is mounted on the mounting seat 434;

[0120] The driving end of the cylinder 437 passes through the mounting seat 434 and the positioning plate 436 in sequence and drives the connecting slider 435;

[0121] The cylinder 437 drives the slider 435 to slide along the second slide rail 433 so that the slider 435 gradually approaches or moves away from the limit block 422 to clamp or release the frame longitudinal beam.

[0122] Specifically, the fixed structure 42 includes a first fixed seat 421 and a limit block 422, the first fixed seat 421 is fixedly mounted on the second mounting plate 412, the limit block 422 is fixedly mounted on the first fixed seat 421, the limit block 422 is a fixed structure, and the limit structure 43 includes a second fixed seat 431, a third mounting plate 432, a second slide rail 433, a mounting seat 434, a slider 435, a positioning plate 436 and a cylinder 437, wherein the second fixed seat 431 is fixedly mounted on the second mounting plate 412, the third mounting plate 432 is distributed on the second fixed seat 431, the second slide rail 433 and the mounting seat 434 perpendicular to the second slide rail 433 are installed on the upper end surface of the third mounting plate 432, the slider 435 is slidably connected to the second slide rail 433, a positioning plate 436 is vertically arranged on the side of the second slide rail 433 close to the mounting seat 434, and the cylinder 437 is installed On the mounting seat 434, the cylinder 437 is used to drive the slider 435. The driving end of the cylinder 437 passes through the mounting seat 434 and the positioning plate 436 and is connected to the slider 435. When the cylinder 437 is stretched outward, the slider 435 is driven to move along the second slide rail 433 in the direction close to the limit block 422, and the distance between the slider 435 and the limit block 422 is reduced, thereby clamping the frame longitudinal beam. On the contrary, when the cylinder 437 is contracted inward, the slider 435 is driven to move along the second slide rail 433 in the direction away from the limit block 422, and the distance between the slider 435 and the limit block 422 is increased, thereby loosening the frame longitudinal beam. The cylinder 437 is used to push the slider 435 to move back and forth, and finally one frame longitudinal beam is moved to the position corresponding to the other frame longitudinal beam, the frame longitudinal beam assembly is stabilized, and the assembled frame assembly is clamped and positioned by the cylinder 437 for assembly.

[0123] The transmission part 44 has a rotating shaft 441;

[0124] The rotating shaft 441 is inserted and connected to the first fixing seat 421 and the second fixing seat 431;

[0125] A rotating disk 442 is installed at one end of the rotating shaft 441 extending to the outside of the first fixing seat 421;

[0126] The other end of the rotating shaft 441 is mounted on the second fixing seat 431 through a bearing seat 443;

[0127] A driving sprocket 444 is mounted on the rotating shaft 441;

[0128] The second transmission part 45 has a driven sprocket 451;

[0129] The driven sprocket 451 is mounted on the bottom of the first mounting plate 411;

[0130] The chain 3 passes through the through hole 414 and forms a chain drive with the driving sprocket 444 and the driven sprocket 451;

[0131] The rotating shaft 441 is rotated by the rotating disk 442 to form a driving sprocket 444 that rotates synchronously with the chain 3 to achieve the movement of the driven sprocket 451 along the chain 3;

[0132] The driven sprocket 451 moves along the chain 3 to drive the mobile clamping mechanism 4 to move synchronously along the first slide rail 2 .

[0133] Specifically, the transmission part 44 and the transmission part 2 45 are connected to the mobile clamping mechanism 4 through the chain 3. The rotating shaft 441 of the transmission part 44 is inserted into the first fixed seat 421 and the second fixed seat 431. One end of the rotating shaft 441 extends to the outside of the first fixed seat 421, and the other end is installed on the second fixed seat 431 through a bearing seat 443. The transmission part 44 also includes a driving sprocket 444, which is installed on the rotating shaft 441. The transmission part 2 45 has a driven sprocket 451, which is installed at the bottom of the first mounting plate 411. The positions of the driving sprocket 444, the through hole 414, and the driven sprocket 451 correspond in sequence. The chain 3 passes through the through hole 414 from bottom to top and is located on the second mounting plate 412. The upper chain 3 is wrapped around the upper periphery of the driving sprocket 444, the chain 3 located below the first mounting plate 411 is wrapped around the lower periphery of the driven sprocket 451, and a turntable 442 is installed at one end of the rotating shaft 441 located outside the first fixed seat 421. The turntable 442 is rotated to rotate the rotating shaft 441, and the driving sprocket 444 rotates synchronously. The driving sprocket 444 rotates to form a chain drive with the chain 3. The chain 3 also forms a transmission connection with the driven sprocket 451, so that the driven sprocket 451 moves on the chain 3, thereby realizing the sliding of the mobile clamping mechanism 4 along the first slide rail 2. The sliding of the mobile clamping mechanism 4 on the first slide rail 2 can adjust the position of the mobile clamping mechanism 4, which is convenient for adjusting the position relationship with the frame longitudinal beam and convenient for use with different vehicle models.

[0134] A roller 7 is installed below the first mounting plate 411;

[0135] The mobile clamping mechanism 4 slides along the first slide rail 2 via the roller 7 .

[0136] Specifically, a roller 7 is installed on the base 41 of the mobile clamping mechanism 4, that is, the roller 7 is located below the first mounting plate 411, and the roller 7 is movably embedded in the first slide rail 2. The mobile clamping mechanism 4 transmits the roller 7 to the first slide rail 2 through the mutual transmission of the transmission part 1 44, the transmission part 2 45, and the chain 3, thereby realizing the movement of the mobile clamping mechanism 4 along the length direction of the assembly table 1, and then adjusting the clamping position with the frame longitudinal beam.

[0137] The assembly platform 1 has a base plate 11 and legs 12;

[0138] A plurality of groups of legs 12 are spaced apart and distributed on both sides of the bottom plate 11;

[0139] The two groups of first slide rails 2 are distributed in parallel on the bottom plate 11 .

[0140] Specifically, the assembly table 1 comprises a base plate 11 and legs 12 . The legs 12 are installed at both sides of the base plate 11 . The legs 12 support the base plate 11 . The base plate 11 can be installed and fixed at different positions through the legs 12 .

[0141] The chain 3 is fixed to the base plate 11 by means of a fixing buckle 8;

[0142] Tension nuts 9 are installed at both ends of the chain 3.

[0143] Specifically, the chain 3 adopts a standard short pitch roller chain-12A, both ends of the chain 3 are fixed to the base plate 11 by fixing buckles 8, and the chain 3 is tensioned by a tensioning nut 9 to reduce movement error.

[0144] In the above technical solution, the frame assembly assembly equipment of the utility model has the following beneficial effects:

[0145] 1. Make the frame assembly easier and faster to assemble;

[0146] 2. Can be matched with various frame assemblies;

[0147] 3. Improve the quality of the first assembly of the frame assembly;

[0148] 4. Improve the production capacity of frame riveting.

[0149] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. Frame assembly equipment, characterized in that: include: An assembly platform (1), wherein a first slide rail (2) is distributed along the length direction of the upper end of the assembly platform (1); A chain (3), wherein both ends of the chain (3) are fixed on the assembly platform (1), and the chain (3) is parallel to the first slide rail (2); A movable clamping mechanism (4), wherein the movable clamping mechanism (4) is transmission-connected to the chain (3) and slides along the first slide rail (2); A limiting mechanism (5), wherein the limiting mechanism (5) is distributed on both sides of the upper end of the assembly platform (1); An auxiliary platform (6), wherein the auxiliary platform (6) is installed along the length direction of the assembly platform (1) and inserted between the two sets of limit mechanisms (5), and the auxiliary platform (6) is located above the movable clamping mechanism (4); The auxiliary platform (6) is used to place assembly tools and standard parts; The two groups of vehicle frame longitudinal beams are located between the limiting mechanisms (5) and are clamped and positioned by the movable clamping mechanism (4) to realize the assembly and forming of the vehicle frame assembly.

2. The vehicle frame assembly assembly equipment according to claim 1, characterized in that: The mobile clamping mechanism (4) comprises: Base (41); A fixing structure (42) and a limiting structure (43) are installed on both sides of the upper end of the base (41); A clamping space for installing a frame longitudinal beam is formed between the fixing structure (42) and the limiting structure (43); Also includes: Transmission part 1 (44) and transmission part 2 (45); The transmission part (44) is installed on the fixed structure (42) and the limiting structure (43). The second transmission part (45) is installed at the bottom of the base (41); The first transmission part (44) and the second transmission part (45) are respectively connected to the chain (3) to form a transmission connection so as to enable the mobile clamping mechanism (4) to slide along the first slide rail (2).

3. The frame assembly assembly equipment according to claim 2, characterized in that: The base (41) has a first mounting plate (411) and a second mounting plate (412); The first mounting plate (411) is located parallel to and below the second mounting plate (412); A plurality of groups of supporting square tubes (413) are distributed between the first mounting plate (411) and the second mounting plate (412) at intervals; The fixing structure (42) and the limiting structure (43) are mounted on the second mounting plate (412); The first mounting plate (411) and the second mounting plate (412) are provided with through holes (414) at corresponding positions; The chain (3) passes through the through holes (414) in sequence from bottom to top and forms a transmission connection with the first transmission part (44) and the second transmission part (45).

4. The frame assembly assembly equipment according to claim 3, characterized in that: The fixing structure (42) comprises a first fixing seat (421) and a limiting block (422); The limiting block (422) is fixedly mounted on the first fixing seat (421); The limiting structure (43) has a second fixing seat (431); A third mounting plate (432) is mounted on the second fixing seat (431); The third mounting plate (432) is provided with a second slide rail (433) and a mounting seat (434); The second slide rail (433) is slidably connected with a slider (435); The frame longitudinal beam is installed between the limit block (422) and the slider (435); A positioning plate (436) is installed on the side of the second slide rail (433) away from the limiting block (422); A cylinder (437) is mounted on the mounting seat (434); The driving end of the cylinder (437) passes through the mounting seat (434) and the positioning plate (436) in sequence and drives the connecting slider (435); The cylinder (437) drives the slide block (435) to slide along the second slide rail (433) so that the slide block (435) gradually approaches or moves away from the limit block (422) to clamp or release the frame longitudinal beam.

5. The vehicle frame assembly assembly equipment according to claim 4, characterized in that: The transmission part (44) has a rotating shaft (441); The rotating shaft (441) is inserted and connected to the first fixing seat (421) and the second fixing seat (431); A rotating disk (442) is installed on one end of the rotating shaft (441) extending to the outside of the first fixed seat (421); The other end of the rotating shaft (441) is mounted on the second fixed seat (431) via a bearing seat (443); A driving sprocket (444) is mounted on the rotating shaft (441); The second transmission part (45) has a driven sprocket (451); The driven sprocket (451) is mounted on the bottom of the first mounting plate (411); The chain (3) passes through the through hole (414) and forms a chain drive with the driving sprocket (444) and the driven sprocket (451); The rotating shaft (441) is rotated by the rotating disk (442) to form a driving sprocket (444) that rotates synchronously with the chain (3) to achieve the movement of the driven sprocket (451) along the chain (3); The driven sprocket (451) moves along the chain (3) to drive the mobile clamping mechanism (4) to move synchronously along the first slide rail (2).

6. The vehicle frame assembly assembly equipment according to claim 3, characterized in that: A roller (7) is installed below the first mounting plate (411); The movable clamping mechanism (4) slides along the first slide rail (2) via a roller (7).

7. The vehicle frame assembly assembly equipment according to claim 1, characterized in that: The assembly platform (1) comprises a bottom plate (11) and supporting legs (12); A plurality of groups of legs (12) are distributed at intervals on both sides of the bottom plate (11); Two groups of the first slide rails (2) are distributed in parallel on the bottom plate (11).

8. The vehicle frame assembly assembly equipment according to claim 7, characterized in that: The chain (3) is fixed on the base plate (11) via a fixing buckle (8); Tension nuts (9) are installed at both ends of the chain (3).

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