A frame fixture assembly compatible with two types of vehicles

Abstract

The present invention discloses a frame fixture assembly platform compatible with two types of vehicles, comprising a workbench, and a frame main positioning assembly and a part positioning side frame assembly symmetrically arranged on the workbench, wherein the frame main positioning assembly comprises a first frame clamping and positioning assembly and a second frame clamping and positioning assembly, wherein the first frame assembly is releasably fixedly connected to the first frame clamping and positioning assembly, and the second frame assembly is releasably fixedly connected to the second frame clamping and positioning assembly, and the part positioning side frame assembly comprises a side frame body, a first side plate clamping and positioning assembly and a second side plate clamping and positioning assembly, wherein the first side plate clamping and positioning assembly is releasably fixedly connected to the first front side plate, and the second side plate clamping and positioning assembly is releasably fixedly connected to the second front side plate. The frame fixture assembly platform compatible with two types of vehicles of the present invention satisfies the precise installation of parts of the two types of vehicles at the same time, increases the flexibility of the production line, and saves the layout space of the production line.

Description

Technical Field

[0001] The invention relates to a vehicle frame assembly platform, in particular to a vehicle frame tooling fixture assembly platform compatible with two vehicle models. Background Art

[0002] During the automobile welding process, the upper curved beam parts are fastened to the front side panels of the vehicle body by screws. Generally, they are installed on the body adjustment line, and simple fixtures are used to install the auxiliary tools, which has the problem of inaccurate positioning. To solve the problem of inaccurate positioning, the upper curved beam parts are moved to the main line for installation by special fixtures. For general front side panels and upper curved beam fixtures, a dedicated workstation for a single model is usually adopted. When two models are on the same line, each of the two models has a dedicated workstation for production, which wastes space. Due to the mixed production of multiple models on different platforms on the main line, due to the layout of the production line, it is necessary to realize the production of two models on the same line and on the same assembly platform, and to ensure the installation of the upper curved beam of one model and the installation of the left / right front side panels and upper curved beam of the other model at the same time. Summary of the invention

[0003] The present invention is completed to solve the deficiencies in the prior art. The purpose of the present invention is to provide a frame tooling fixture assembly that is compatible with two types of vehicles, so that one working fixture assembly can simultaneously meet the precise installation of parts of two types of vehicles, increase the flexibility of the production line, and save production line layout space.

[0004] The present invention provides a frame tooling fixture assembly compatible with two types of vehicles, comprising a workbench, and a frame main positioning assembly and a part positioning side frame assembly symmetrically arranged on the workbench, the frame main positioning assembly comprising a first frame clamping and positioning component for positioning and fixing the first frame assembly and a second frame clamping and positioning component for positioning and fixing the second frame assembly, the first frame assembly and the first frame clamping and positioning component are releasably fixedly connected, the second frame assembly and the second frame clamping and positioning component are releasably fixedly connected, the part positioning side frame assembly comprises a horizontally movable side frame body and a first side plate clamping and positioning component and a second side plate clamping and positioning component arranged on the side frame body, the first side plate clamping and positioning component is releasably fixedly connected to a first front side plate arranged on both sides of the front portion of the first frame assembly, and the second side plate clamping and positioning component is releasably fixedly connected to a second front side plate arranged on both sides of the front portion of the second frame assembly.

[0005] The frame fixture assembly platform compatible with two types of vehicles of the present invention can also be:

[0006] The first frame clamping and positioning assembly includes a first front clamping mechanism, a first front positioning pin and a first rear clamping and positioning mechanism which are symmetrically arranged on the workbench. The first front clamping mechanism and the first front positioning pin are arranged at the front of the workbench and are respectively releasably fixedly connected to the front of the first frame assembly. The first rear clamping and positioning mechanism is arranged at the rear of the workbench and is releasably fixedly connected to the rear of the first frame assembly.

[0007] The second frame clamping and positioning assembly includes a second front clamping mechanism, a second front positioning pin and a second rear positioning clamping mechanism which are symmetrically arranged on the workbench, the second front clamping mechanism is arranged at the front of the workbench and is located on the inner side of the first front clamping mechanism, the second front positioning pin is arranged at the front of the workbench and is located behind the second front clamping mechanism, the second front clamping mechanism and the second front positioning pin are respectively releasably fixedly connected to the front of the beam of the second frame assembly, the second rear positioning clamping mechanism can be horizontally moved and is arranged at the rear of the workbench and is located in front of the first rear clamping and positioning mechanism, and the second rear

[0008] The positioning clamping mechanism is releasably fixedly connected to the rear portion of the beam of the second frame assembly.

[0009] A second rear switching mechanism is provided inside the second rear positioning and clamping mechanism, the second rear switching mechanism is connected to the second rear positioning and clamping mechanism, and the second rear positioning and clamping mechanism is horizontally moved on the workbench through the second rear switching mechanism.

[0010] The frame main positioning assembly includes a middle support mechanism for supporting the middle part of the first frame assembly or the middle part of the second frame assembly. The middle support mechanism is symmetrically arranged on the middle part of the workbench, and the upper part of the middle support mechanism can be releasably abutted against the middle part of the beam of the first frame assembly or the middle part of the beam of the second frame assembly.

[0011] The first side panel clamping and positioning assembly includes a first side panel upper clamping mechanism, a first side panel middle clamping mechanism, a first side panel lower clamping mechanism, a first positioning mechanism and a second positioning mechanism arranged on the side frame body; the first side panel upper clamping mechanism, the first side panel middle clamping mechanism and the first side panel lower clamping mechanism are respectively releasably clamped and fixed to the first front side panel; the first positioning mechanism and the second positioning mechanism are respectively releasably fixedly connected to the first front side panel.

[0012] The second side panel clamping and positioning assembly includes a second side panel clamping mechanism and a second side panel positioning mechanism provided on the side frame body, the second side panel clamping mechanism is releasably clamped and fixed to the second side panel, and the second side panel positioning mechanism is releasably fixedly connected to the second side panel.

[0013] Side frame bases are symmetrically arranged on the left and right sides of the front part of the workbench, and linear guide rails are arranged on the side frame bases. The side frame body is horizontally moved on the linear guide rails by the side frame propulsion cylinder, and the end of the piston rod of the side frame propulsion cylinder that can perform linear reciprocating motion is fixedly connected to the bottom of the side frame body.

[0014] A limit block is provided at one end of the linear guide rail located on the inner side of the workbench, and the inner side of the side frame body is releasably abutted against the limit block.

[0015] The workbench is symmetrically provided with side frame locking mechanisms in place, and the side frame locking mechanisms in place are releasably fixedly connected to the side frame body.

[0016] The present invention provides a frame tooling fixture assembly compatible with two types of vehicles, comprising a workbench, and a frame main positioning assembly and a part positioning side frame assembly symmetrically arranged on the workbench, the frame main positioning assembly comprising a first frame clamping and positioning component for positioning and fixing the first frame assembly and a second frame clamping and positioning component for positioning and fixing the second frame assembly, the first frame assembly and the first frame clamping and positioning component are releasably fixedly connected, the second frame assembly and the second frame clamping and positioning component are releasably fixedly connected, the part positioning side frame assembly comprises a horizontally movable side frame body and a first side plate clamping and positioning component and a second side plate clamping and positioning component arranged on the side frame body, the first side plate clamping and positioning component is releasably fixedly connected to a first front side plate arranged on both sides of the front portion of the first frame assembly, and the second side plate clamping and positioning component is releasably fixedly connected to a second front side plate arranged on both sides of the front portion of the second frame assembly. In this way, the main positioning assembly of the frame is used to position and fix the main parts of the first frame assembly and the second frame assembly, the part positioning side frame assembly is used to position and fix the front parts of the first frame assembly and the second frame assembly with more parts, the first frame clamping and positioning assembly is used to fix the main part of the first frame assembly at a determined position on the workbench, and the first side plate clamping and positioning assembly is used to clamp and fix the front part of the first frame assembly with more parts. The first front side plate has been installed on the first frame assembly, and only the first upper curved beam needs to be installed on the first frame assembly. After the first frame assembly is fixed on the workbench by the first frame clamping and positioning assembly and the first side plate clamping and positioning assembly, the first upper curved beam is installed on the upper surface of the front part of the first frame assembly; the second frame assembly needs to install two parts, the second upper curved beam and the second front side plate, and the second frame clamping and positioning assembly is used to fix the main part of the second frame assembly at a determined position on the workbench, and the second side plate clamping and positioning assembly is used to clamp and fix the second frame

[0017] The front part of the assembly has more parts. The second frame clamping and positioning assembly first clamps and fixes the main part of the second frame assembly. The second side panel clamping and positioning assembly clamps the second front side panels on the left and right sides, and moves to the two sides of the front of the second frame assembly respectively under the drive of the horizontally moving side frame body, thereby realizing the installation of the second front side panels. After the second front side panels are installed on the second frame assembly, the second upper curved beam is further installed on the upper surface of the front of the second frame assembly, thereby realizing that one working fixture assembly platform simultaneously satisfies the precise installation of parts of two types of vehicles, increases the flexibility of the production line, and saves the layout space of the production line. Compared with the prior art, the frame tooling fixture assembly platform compatible with two types of vehicles of the present invention has the following advantages: it realizes that one working fixture assembly platform simultaneously satisfies the precise installation of parts of two types of vehicles, increases the flexibility of the production line, and saves the layout space of the production line. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The present invention is a structural schematic diagram of a frame tooling fixture assembly platform compatible with two types of vehicles.

[0019] Figure 2 The present invention is a schematic structural diagram of a main positioning assembly of a frame of a vehicle body compatible with two vehicle models.

[0020] Figure 3 The schematic diagram of the part positioning side frame assembly structure of the frame fixture assembly compatible with two types of vehicles of the present invention is as follows Figure 1 .

[0021] Figure 4 The schematic diagram of the part positioning side frame assembly structure of the frame fixture assembly compatible with two types of vehicles of the present invention is as follows Figure 2 .

[0022] Figure 5 The schematic diagram of the part positioning side frame assembly structure of the frame fixture assembly compatible with two types of vehicles of the present invention is as follows Figure 3 .

[0023] Figure 6 The present invention is a schematic diagram of a state in which the first front side plate of a frame tooling fixture assembly table compatible with two types of vehicles is placed and clamped.

[0024] Figure 7 The present invention is a schematic diagram of the working state of a first frame assembly of a frame tooling fixture assembly compatible with two types of vehicles.

[0025] Figure 8 The present invention is a schematic diagram of the first frame assembly parts structure of a frame fixture assembly that is compatible with two types of vehicles.

[0026] Fig. 9 The present invention is a schematic diagram of the working state of a second frame assembly of a frame tooling fixture assembly compatible with two types of vehicles.

[0027] Fig.10 The present invention is a schematic diagram of the structure of the second frame assembly parts of a frame tooling fixture assembly compatible with two types of vehicles.

[0028] Description of Figure Number

[0029] 1...Workbench 2...Side frame

[0030] 3...First front clamping mechanism 4...First front positioning pin

[0031] 5...First rear clamping and positioning mechanism 6...First frame assembly

[0032] 7…Second front clamping mechanism 8…Second front positioning pin

[0033] 9...Second rear positioning and clamping mechanism 10...Second rear switching mechanism

[0034] 11 Middle support mechanism 12…Clamping mechanism on the first side plate

[0035] 13...Clamping mechanism in the middle of the first side plate 14...Clamping mechanism in the lower part of the first side plate

[0036] 15...First positioning mechanism 16...Second positioning mechanism

[0037] 17...Second side plate clamping mechanism 18...Second side plate positioning mechanism

[0038] 19…Side frame base 20…Linear guide

[0039] 21…Side frame push cylinder 22…Limiting block

[0040] 23…Side frame locking mechanism 24…Second frame assembly

[0041] 25...Frame main positioning assembly 26...Parts positioning side frame assembly

[0042] 27 ... first front side plate 28 ... first upper curved beam

[0043] 29…Second upper curved beam DETAILED DESCRIPTION

[0044] Combine the following Figures 1 to 10 , a frame tooling fixture assembly platform compatible with two types of vehicles of the present invention is further described in detail.

[0045] The present invention is a frame fixture assembly platform compatible with two types of vehicles, please refer to Figures 1 to 10, including a workbench 1, and a frame main positioning assembly 25 and a part positioning side frame assembly 26 symmetrically arranged on the workbench 1, the frame main positioning assembly 25 includes a first frame clamping and positioning component for positioning and fixing the first frame assembly 6 and a second frame clamping and positioning component for positioning and fixing the second frame assembly 24, the first frame assembly 6 is releasably fixedly connected to the first frame clamping and positioning component, and the second frame assembly 24 is releasably fixedly connected to the second frame clamping and positioning component, the part positioning side frame assembly 26 includes a horizontally movable side frame body 2 and a first side plate clamping and positioning component and a second side plate clamping and positioning component arranged on the side frame body 2, the first side plate clamping and positioning component is releasably fixedly connected to the first front side plates 27 arranged on both sides of the front part of the first frame assembly 6, and the second side plate clamping and positioning component is releasably fixedly connected to the second front side plates arranged on both sides of the front part of the second frame assembly 24. In this way, the main frame positioning assembly 25 is used to position and fix the main parts of the first frame assembly 6 and the second frame assembly 24, the part positioning side frame assembly 26 is used to position and fix the front parts of the first frame assembly 6 and the second frame assembly 24, the first frame clamping and positioning assembly is used to fix the main part of the first frame assembly 6 at a determined position on the workbench 1, and the first side plate clamping and positioning assembly is used to clamp and fix the front part of the first frame assembly 6 with more parts. The first front side plate 27 has been installed on the first frame assembly 6, and only the first upper curved beam 28 needs to be installed on the first frame assembly 6. After the first frame assembly 6 is fixed on the workbench 1 by the first frame clamping and positioning assembly and the first side plate clamping and positioning assembly, the first upper curved beam 28 is installed on the upper surface of the front part of the first frame assembly 6; the second upper curved beam 29 and the second The installation of the two parts of the front side panel, the second frame clamping and positioning assembly is used to fix the main part of the second frame assembly 24 to a determined position on the workbench 1, and the second side panel clamping and positioning assembly is used to clamp and fix the front part of the second frame assembly 24 with more parts. The second frame clamping and positioning assembly first clamps and fixes the main part of the second frame assembly 24, and the second side panel clamping and positioning assembly clamps the second front side panels on the left and right sides, and moves to the two sides of the front part of the second frame assembly 24 respectively under the drive of the horizontally moving side frame body 2, thereby realizing the installation of the second front side panel. After the second front side panel is installed on the second frame assembly 24, the second upper curved beam 29 is continued to be installed on the upper surface of the front part of the second frame assembly 24, thereby realizing that one work fixture assembly platform can simultaneously meet the precise installation of parts of two types of vehicles, increase the flexibility of the production line, and save the layout space of the production line. Compared with the prior art, the frame tooling fixture assembly platform compatible with two types of vehicles of the present invention has the following advantages: one working fixture assembly platform can simultaneously meet the precise installation of parts of two types of vehicles, increase the flexibility of the production line, and save the layout space of the production line.

[0046] The present invention is a frame fixture assembly platform compatible with two types of vehicles. Based on the technical solution described above, please refer to Figures 1 to 10 , it can also be that: the first frame clamping and positioning assembly includes a first front clamping mechanism 3, a first front positioning pin 4 and a first rear clamping and positioning mechanism 5 which are symmetrically arranged on the workbench 1, the first front

[0047] The clamping mechanism 3 and the first front positioning pin 4 are arranged at the front of the workbench 1 and are respectively connected to the front of the first frame assembly 6 in a releasable manner, and the first rear clamping positioning mechanism 5 is arranged at the rear of the workbench 1 and is connected to the rear of the first frame assembly 6 in a releasable manner. In this way, the first front positioning pin 4 is used to position the first frame assembly 6 on the workbench 1, and the first front clamping mechanism 3 and the first rear clamping mechanism respectively clamp and fix the front and rear of the beam of the first frame assembly 6, so as to fix the main part of the first frame assembly 6. On the basis of the technical solution described above, it is further preferred that the second frame clamping and positioning assembly includes a second front clamping mechanism 7, a second front positioning pin 8 and a second rear positioning clamping mechanism 9 which are symmetrically arranged on the workbench 1, the second front clamping mechanism 7 is arranged at the front of the workbench 1 and is located on the inner side of the first front clamping mechanism 3, the second front positioning pin 8 is arranged at the front of the workbench 1 and is located behind the second front clamping mechanism 7, the second front clamping mechanism 7 and the second front positioning pin 8 are respectively releasably fixedly connected to the front part of the beam of the second frame assembly 24, the second rear positioning clamping mechanism 9 can be horizontally moved and is arranged at the rear part of the workbench 1 and is located in front of the first rear clamping and positioning mechanism 5, and the second rear positioning clamping mechanism 9 is releasably fixedly connected to the rear part of the beam of the second frame assembly 24. In this way, because the length and width of the second frame assembly 24 are smaller than those of the first frame assembly 6, the second rear positioning clamping mechanism 9 can be horizontally moved and arranged at the rear of the workbench 1 and is located in front of the first rear clamping and positioning mechanism 5, and the second rear positioning mechanism can be horizontally moved and arranged to avoid the first frame assembly 6 when switching vehicle types, the second front positioning pin 8 is used to position the second frame assembly 24 on the workbench 1, and the second front clamping mechanism 7 and the second rear clamping mechanism respectively clamp and fix the front and rear of the beam to achieve the fixation of the main part of the second frame assembly 24. On the basis of the technical solution described above, it is further preferred that the second rear positioning clamping mechanism 9 is provided with a second rear switching mechanism 10 on the inner side, the second rear switching mechanism 10 is connected to the second rear positioning clamping mechanism 9, and the second rear positioning clamping mechanism 9 is horizontally moved and arranged on the workbench 1 through the second rear switching mechanism 10. In this way, the second rear positioning and clamping mechanism 9 can be horizontally moved on the workbench 1 by providing the second rear switching mechanism 10 .

[0048] The present invention is a frame fixture assembly platform compatible with two types of vehicles. Based on the technical solution described above, please refer to Figures 1 to 10, it can also be that: the frame main positioning assembly 25 includes a middle support mechanism 11 for supporting the middle part of the first frame assembly 6 or the middle part of the second frame assembly 24, the middle support mechanism 11 is symmetrically arranged on the middle part of the workbench 1, and the upper part of the middle support mechanism 11 is releasably abutted against the middle part of the beam of the first frame assembly 6 or the middle part of the beam of the second frame assembly 24. In this way, the middle support mechanism 11 is arranged on the workbench 1 to support the middle part of the beam of the first frame assembly 6 or the middle part of the beam of the second frame assembly 24.

[0049] The present invention is a frame fixture assembly platform compatible with two types of vehicles. Based on the technical solution described above, please refer to Figures 1 to 10 , it can also be: the first side panel clamping and positioning assembly includes a first side panel clamping mechanism 12, a first side panel middle clamping mechanism 13, a first side panel lower clamping mechanism 14, a first positioning mechanism 15 and a second positioning mechanism 16 arranged on the side frame body 2, the first side panel clamping mechanism 12, the first side panel middle clamping mechanism 13, and the first side panel lower clamping mechanism 14 are respectively releasably clamped and fixed to the first front side panel 27, and the first positioning mechanism 15 and the second positioning mechanism 16 are respectively releasably fixedly connected to the first front side panel 27. In this way, by setting the first side panel clamping mechanism 12, the first side panel middle clamping mechanism 13 and the first side panel lower clamping mechanism 14 three clamping mechanisms are used to clamp and fix three parts of the first front side panel 27, the structure is stable, the first positioning mechanism 15 and the second positioning mechanism 16 are used to position the first front side panel 27, and the specific first positioning mechanism 15 and the second positioning mechanism 16 are positioning pins.

[0050] The present invention is a frame fixture assembly platform compatible with two types of vehicles. Based on the technical solution described above, please refer to Figures 1 to 10 , it can also be that: the second side panel clamping and positioning assembly includes a second side panel clamping mechanism 17 and a second side panel positioning mechanism 18 provided on the side frame body 2, the second side panel clamping mechanism 17 is releasably clamped and fixed to the second side panel, and the second side panel positioning mechanism 18 is releasably fixedly connected to the second side panel. In this way, since the second front side panel has been installed and fixed on the second frame assembly 24, the second side panel clamping mechanism 17 is provided to clamp the second front side panel for clamping and fixing the front part of the second frame assembly 24, and the second side panel positioning mechanism 18 is used for positioning the front part of the second frame assembly 24.

[0051] The present invention is a frame fixture assembly platform compatible with two types of vehicles. Based on the technical solution described above, please refer to Figures 1 to 10, it can also be: the left and right sides of the front part of the workbench 1 are symmetrically provided with side frame bases 19, and the side frame bases 19 are provided with linear guides 20, and the side frame body 2 is horizontally moved on the linear guides 20 by the side frame propulsion cylinder 21, and the end of the piston rod of the side frame propulsion cylinder 21 that can make linear reciprocating motion is fixedly connected to the bottom of the side frame body 2. In this way, the linear guide 20 is used to bear, fix and guide the side frame body 2 to make linear reciprocating motion, and the side frame propulsion cylinder 21 is used to provide power and drive the side frame body 2 to make linear reciprocating motion along the linear guide 20 through its piston rod. On the basis of the technical solution described above, it is further preferred that a limit block 22 is provided at one end of the linear guide 20 located on the inner side of the workbench 1, and the inner side of the side frame body 2 can be releasably abutted against the limit block 22. In this way, the limit block 22 is set to determine the position of the side frame body 2 when the part positioning side frame assembly 26 clamps the first frame assembly 6 or the second frame assembly 24. On the basis of the technical solution described above, it is further preferred that the workbench 1 is symmetrically provided with a side frame in place locking mechanism 23, and the side frame in place locking mechanism 23 is releasably fixedly connected to the side frame body 2. In this way, when the part positioning side frame assembly 26 clamps the first frame assembly 6 or the second frame assembly 24, the side frame body 2 moves to the corresponding position, and the side frame in place locking mechanism 23 is used to lock the side frame body 2 to prevent the side frame body 2 from moving.

[0052] The present invention is a frame fixture assembly platform compatible with two types of vehicles. Based on the technical solution described above, please refer to Figures 1 to 10 , it can also be that: the frame main positioning assembly 25 and the part positioning side frame assembly 26 are both driven by a cylinder. In this way, the pneumatic drive is adopted to facilitate the implementation of automatic control, provide system stability, and save labor costs. On the basis of the technical solution described above, it is further preferred that the cylinder is arranged on the inner side of the workbench 1. In this way, it is conducive to reducing the size of the entire work fixture assembly and expanding the line side space.

[0053] Specific operation steps

[0054] When the first frame assembly 6 is running on the work fixture assembly platform, the first front side plates 27 and the first upper curved beam 28 on the left and right sides need to be installed. The working cycle of the entire assembly platform is as follows:

[0055] Step 1: Switch vehicle model

[0056] 1. Switching of the assembled vehicle model: the cylinder of the first front positioning pin 4 extends, the cylinder of the middle support mechanism 11 extends, and the cylinder of the second rear switching mechanism 10 extends;

[0057] 2. Positioning the side frame assembly 26 for the assembly of the parts for assembly and switching the vehicle model: the side frame propulsion cylinder 21 extends, and the cylinder of the second side panel positioning mechanism 18 contracts, and the vehicle model switching is completed at this time.

[0058] Step 2: Install the parts

[0059] The first frame assembly 6 is placed on the assembly table, the first front positioning pin 4 and the first rear clamping positioning mechanism 5 are positioned, the first front side plate 27 is placed on the first positioning mechanism 15 and the second positioning mechanism 16, the first side plate clamping mechanism 12, the first side plate middle clamping mechanism 13 and the first side plate lower clamping mechanism 14 clamp the first front side plate 27, as shown in FIG. Figure 6 As shown in FIG. 1 , the first front side plate 27 is in a clamped state.

[0060] Step 3: Clamp the frame

[0061] The cylinder of the first front clamping mechanism 3 extends, and the cylinder of the first rear clamping and positioning mechanism 5 extends, so that the first vehicle

[0062] The frame assembly 6 is clamped.

[0063] Step 4: Clamp and push the side panels

[0064] The cylinder of the clamping mechanism 12 on the first side plate extends, the cylinder of the clamping mechanism 13 in the first side plate extends, and the cylinder of the clamping mechanism 14 under the first side plate extends to clamp the first front side plate 27. The side frame pushing cylinder 21 of the part positioning side frame assembly 26 contracts, and the side frame body 2 is pushed along the linear guide rail 20 until it reaches the limit block 22. Once pushed into place, the side frame is in place, the locking mechanism 23 is locked, and the part clamping is completed.

[0065] Step 5: The operator welds the first front side plate 27 ; the operator installs the first upper curved beam 28 and tightens it to the first frame assembly 6 with screws.

[0066] Step 6: The work is completed and the clamp is opened.

[0067] The cylinder of the clamping mechanism 12 on the first side panel contracts, the cylinder of the clamping mechanism 13 in the first side panel contracts, and the cylinder of the clamping mechanism 14 under the first side panel contracts, the clamp opens, the side frame locking mechanism 23 opens, and then the side frame pushing cylinder 21 extends, the cylinders of the first front clamping mechanism 3 and the first rear clamping positioning mechanism 5 contract, and the frame clamp opens.

[0068] Step 7: Transfer the frame to the next workstation.

[0069] When the second frame assembly 24 is running on the work fixture assembly platform, the second upper curved beam 29 needs to be installed. The working cycle of the entire assembly platform is as follows:

[0070] Step 1: Switch vehicle model

[0071] 1. Switching of the assembled vehicle model: the cylinder of the first front positioning pin 4 is retracted, the cylinder of the middle support mechanism 11 is retracted, and the cylinder of the second rear switching mechanism 10 is retracted;

[0072] 2. Positioning the side frame assembly 26 for vehicle model switching: the side frame propulsion cylinder 21 extends, and the cylinder of the second side panel positioning mechanism 18 extends, and the vehicle model switching is completed at this time.

[0073] Step 2: Install the parts

[0074] The second frame assembly 24 is placed on the assembly platform, and the second front positioning pin 8 and the second rear positioning clamping mechanism 9 are used for positioning.

[0075] Step 3: Clamp the frame

[0076] The cylinder of the second front clamping mechanism 7 extends out, and the cylinder of the second rear positioning clamping mechanism 9 extends out to clamp the second frame assembly 24 .

[0077] Step 4: Push the side frame in and clamp it

[0078] The side frame pushing cylinder 21 of the part positioning side frame assembly 26 contracts, and the side frame body 2 is pushed along the linear guide rail 20 until it reaches the limit block 22. When it is pushed into place, the side frame locking mechanism 23 is locked, and the cylinder of the second side plate clamping mechanism 17 is extended, and the clamping is completed.

[0079] Step 5: The operator installs the second upper curved beam 29 and tightens it to the second frame assembly 24 with screws.

[0080] Step 6: Work completed, fixture opened

[0081] The cylinder of the second side panel clamping mechanism 17 contracts, the clamp opens, the side frame locking mechanism 23 opens, and then the side frame pushing cylinder 21 extends, the cylinder of the second front clamping mechanism 7 extends, the cylinder of the second rear positioning clamping mechanism 9 contracts, and the frame clamp opens.

[0082] Step 7: Transfer the frame to the next workstation.

[0083] The above only describes the specific embodiments of the present invention, but cannot be regarded as the protection scope of the present invention. Any equivalent changes or modifications made according to the design spirit of the present invention should be considered to fall within the protection scope of the present invention.

Claims

1. A frame fixture assembly platform compatible with two types of vehicles, characterized by: It comprises a workbench, and a frame main positioning assembly and a part positioning side frame assembly which are symmetrically arranged on the workbench, the frame main positioning assembly comprises a first frame clamping and positioning assembly for positioning and fixing the first frame assembly and a second frame clamping and positioning assembly for positioning and fixing the second frame assembly, the first frame assembly is releasably fixedly connected to the first frame clamping and positioning assembly, the second frame assembly is releasably fixedly connected to the second frame clamping and positioning assembly, the part positioning side frame assembly comprises a horizontally movable side frame body and a first side plate clamping and positioning assembly and a second side plate clamping and positioning assembly which are arranged on the side frame body, the first side plate clamping and positioning assembly is releasably fixedly connected to the first front side plates arranged on both sides of the front portion of the first frame assembly, and the second side plate clamping and positioning assembly is releasably fixedly connected to the second front side plates arranged on both sides of the front portion of the second frame assembly; The first frame clamping and positioning assembly comprises a first front clamping mechanism, a first front positioning pin and a first rear clamping and positioning mechanism which are symmetrically arranged on the workbench, the first front clamping mechanism and the first front positioning pin being arranged at the front of the workbench and being releasably fixedly connected to the front of the first frame assembly respectively, and the first rear clamping and positioning mechanism being arranged at the rear of the workbench and being releasably fixedly connected to the rear of the first frame assembly; The second frame clamping and positioning assembly comprises a second front clamping mechanism, a second front positioning pin and a second rear positioning clamping mechanism which are symmetrically arranged on the workbench, the second front clamping mechanism is arranged at the front of the workbench and is located on the inner side of the first front clamping mechanism, the second front positioning pin is arranged at the front of the workbench and is located behind the second front clamping mechanism, the second front clamping mechanism and the second front positioning pin are respectively releasably fixedly connected to the front of the beam of the second frame assembly, the second rear positioning clamping mechanism is horizontally movable and arranged at the rear of the workbench and is located in front of the first rear clamping and positioning mechanism, and the second rear positioning clamping mechanism is releasably fixedly connected to the rear of the beam of the second frame assembly; A second rear switching mechanism is provided on the inner side of the second rear positioning and clamping mechanism, the second rear switching mechanism is connected to the second rear positioning and clamping mechanism, and the second rear positioning and clamping mechanism is horizontally moved on the workbench through the second rear switching mechanism; The main positioning assembly of the frame includes a middle supporting mechanism for supporting the middle part of the first frame assembly or the middle part of the second frame assembly, the middle supporting mechanism is symmetrically arranged on the middle part of the workbench, and the upper part of the middle supporting mechanism is releasably abutted against the middle part of the beam of the first frame assembly or the middle part of the beam of the second frame assembly; the first side panel clamping and positioning assembly includes a first side panel clamping mechanism, a first side panel middle clamping mechanism, a first side panel lower clamping mechanism, a first positioning mechanism and a second positioning mechanism provided on the side frame body, the first side panel clamping mechanism, the first side panel middle clamping mechanism and the first side panel lower clamping mechanism are respectively releasably clamped and fixed to the first front side panel, and the first positioning mechanism and the second positioning mechanism are respectively releasably fixedly connected to the first front side panel; The second side panel clamping and positioning assembly comprises a second side panel clamping mechanism and a second side panel positioning mechanism provided on the side frame body, the second side panel clamping mechanism is releasably clamped and fixed to the second side panel, and the second side panel positioning mechanism is releasably fixedly connected to the second side panel; When the first frame assembly is running on the working fixture assembly table, the first front side panel is first placed on the first positioning mechanism and the second positioning mechanism, and the first side panel clamping mechanism, the first side panel middle clamping mechanism and the first side panel lower clamping mechanism clamp the first front side panel, then, the side frame body drives the first front side panel thereon to the first frame assembly for installation, and then the first upper curved beam is installed at the front of the first frame assembly.

2. The frame fixture assembly platform compatible with two types of vehicles according to claim 1 is characterized in that: Side frame bases are symmetrically arranged on the left and right sides of the front part of the workbench, and linear guide rails are arranged on the side frame bases. The side frame body is horizontally moved on the linear guide rails by the side frame propulsion cylinder, and the end of the piston rod of the side frame propulsion cylinder that can perform linear reciprocating motion is fixedly connected to the bottom of the side frame body.

3. The frame fixture assembly platform compatible with two types of vehicles according to claim 2 is characterized in that: A limit block is provided at one end of the linear guide rail located on the inner side of the workbench, and the inner side of the side frame body is releasably abutted against the limit block.

4. The frame fixture assembly platform compatible with two types of vehicles according to claim 3 is characterized in that: The workbench is symmetrically provided with side frame locking mechanisms in place, and the side frame locking mechanisms in place are releasably fixedly connected to the side frame body.

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