Forklift chassis frame welding tool clamp and using method

Abstract

The invention discloses a forklift chassis frame welding tool clamp and a using method, and relates to the technical field of welding tool clamps, the forklift chassis frame welding tool clamp comprises a mounting table, the two ends of the mounting table are connected with a blocking assembly and at least two first positioning plates correspondingly, and the mounting table is connected with a second positioning plate and a first clamping assembly; the second positioning plate and the first clamping assembly are both located between the first positioning plate and the blocking assembly. The first clamping assembly comprises a first abutting plate connected to the mounting table, a first clamping plate connected to the mounting table in a sliding mode and a first driving part used for driving the first clamping plate to slide in the direction close to or away from the first abutting plate, and the first driving part is connected to the mounting table. Before the forklift chassis frame is welded, each plate is firstly mounted on the mounting plate through each component, and then all joints are uniformly welded, so that the welding efficiency of the forklift chassis frame is improved.

Description

Technical Field

[0001] The present application relates to the technical field of welding fixtures, and in particular to a forklift chassis welding fixture and a use method thereof. Background Art

[0002] The forklift chassis is one of the main structural components of the forklift, responsible for supporting and connecting other components to ensure the stability and strength of the forklift. Figure 1 As shown, the forklift chassis frame includes a main board, a top board, a vertical board, two support boards, two horizontal boards, two connecting boards and two longitudinal boards, the two support boards are relatively connected to one side of the main board, the two connecting boards are respectively connected to the opposite sides of the two support boards, the top board is connected to the upper surface of the main board, the upper surfaces of the two support boards are connected to the main board, one of the horizontal boards is located between the other horizontal board and the top board, the vertical board is connected to the horizontal board closest to the top board, the side of the vertical board away from the horizontal board is connected to the top board, the two horizontal boards are relatively connected to the side of the vertical board close to the support board, the side of each horizontal board away from the vertical board is connected to the support board, the two longitudinal boards are respectively connected to the two ends of the main board, and each longitudinal board is connected to the top board and the connecting board. The vertical board is connected to the connecting board by spot welding, and then welded, and the connecting board connected with the vertical board is provided with an avoidance groove.

[0003] The existing welding method is that the operator clamps two plates respectively through two clamping assemblies, the two plates are abutted, and the operator welds the connection between the two plates so that the two plates are welded together. One clamping assembly clamps the two plates welded together, and the other clamping assembly clamps a new plate, the new plate abuts against the two plates welded together, and the operator welds the connection between the two plates. The above method is used to weld each plate together in turn, which is troublesome and affects the efficiency of forklift chassis welding, and needs to be improved. Summary of the invention

[0004] The purpose of the present application is to provide a forklift chassis frame welding fixture and a use method, in order to improve the efficiency of forklift chassis frame welding.

[0005] The camming assembly comprises a first clamping assembly and a second clamping assembly, wherein the first clamping assembly and the second clamping assembly are connected to the mounting platform, the second clamping assembly and the second clamping assembly are located between the first positioning plate and the blocking assembly. The first clamping assembly comprises a first abutment plate connected to the mounting platform, a first clamping plate slidably connected to the mounting platform, and a first driving member for driving the first clamping plate to slide in a direction close to or away from the first abutment plate. The first driving member is connected to the mounting platform, the second positioning plate, the first abutment plate and the first clamping plate are all used to abut against the main board, the first positioning plate is provided with a positioning groove, the positioning groove is used to cooperate with the top plate and the connecting plate, the mounting platform is connected to the second clamping assembly, the supporting assembly and the upper pressing assembly, the second clamping assembly is used to clamp the support plate, the supporting assembly is used to support the transverse plate, and the upper pressing assembly is used to press the longitudinal plate.

[0006] By adopting the above technical solution, the main board is placed between the first abutment plate and the first clamping plate, one side of the main board is in contact with the second positioning plate, and the first driving member drives the first clamping plate to slide in the direction close to the first abutment plate, so that the main board is clamped by the first clamping plate and the first abutment plate, thereby realizing the installation of the main board; the support plate is placed on one side of the main board and abuts against the main board, and the support plate is fixedly connected to the mounting table through the second clamping assembly, thereby realizing the installation of the support plate; the connecting plate is inserted into the corresponding positioning groove, and one side of the connecting plate abuts against the supporting plate, thereby realizing the installation of the connecting plate; the two cross plates are supported by The assembly is installed on one of the connecting plates, and the two ends of the horizontal plate are respectively abutted against the vertical plate and the support plate, thereby realizing the installation of the horizontal plate; the top plate is inserted into the corresponding positioning groove, and the main plate and the two support plates are abutted against the top plate, thereby realizing the installation of the top plate; the two longitudinal plates are respectively placed on both sides of the top plate, and the two longitudinal plates are abutted against the top plate, and one side of each longitudinal plate is abutted against the connecting plate. The longitudinal plate is located between the blocking assembly and the first positioning plate. The cooperation of the blocking assembly and the first positioning plate plays a positioning role in the installation of the longitudinal plate. The longitudinal plate is pressed on the mounting table by the upper pressing assembly, thereby realizing the installation of the longitudinal plate. Before the forklift chassis frame is welded, each plate is first installed on the mounting plate through various components, and then each connection is uniformly welded, thereby improving the efficiency of the forklift chassis frame welding.

[0007] Optionally, the blocking assembly includes a mounting block connected to the mounting platform, a blocking block slidably connected to the mounting block, and a limiting member detachably connected to the blocking block, a blocking portion is provided at one end of the blocking block away from the limiting member, the mounting block is provided with a sliding groove for slidingly cooperating with the blocking block, and the sliding groove is located between the limiting member and the blocking portion.

[0008] By adopting the above technical solution, when the longitudinal plate is installed between the first positioning plate and the blocking block, the blocking block is moved so that the blocking portion can correspond to the longitudinal plate, and the blocking portion plays a role in positioning the installation of the longitudinal plate. When the blocking block slides, the sliding of the blocking block and the sliding groove cooperate to guide and limit the sliding of the blocking block, thereby improving the sliding stability of the blocking portion, and the limiting member prevents the blocking block from detaching from the mounting block during the sliding process.

[0009] Optionally, the second clamping assembly includes a second abutment plate connected to the mounting platform, a second clamping plate slidably connected to the mounting platform, and a second driving member for driving the second clamping plate to slide toward or away from the second abutment plate, the second driving member is connected to the mounting platform, and the second positioning plate is located between the blocking assembly and the second abutment plate.

[0010] By adopting the above technical solution, when installing the support plate, the support plate abuts against the second abutment plate, and one side of the support plate fits against the main board. At this time, the support plate is located between the second abutment plate and the second clamping plate. The second driving member drives the second clamping plate to slide in the direction close to the second abutment plate, so that the support plate is clamped by the second abutment plate and the second clamping plate. The support plate is accurately installed in the corresponding position, thereby improving the subsequent welding efficiency.

[0011] Optionally, the support assembly includes a support rod connected to the mounting platform, a connecting rod connected to the support rod, and a blocking block sleeved on the connecting rod, the connecting rod is located on a side of the support rod away from the mounting platform, and a radius of the connecting rod is smaller than a radius of the support rod.

[0012] By adopting the above technical solution, when installing two horizontal plates, one of the horizontal plates is sleeved on the connecting rod, one side of the horizontal plate is abutted against the supporting rod, and then the blocking block is sleeved on the connecting rod, the blocking block is abutted against the horizontal plate, and the horizontal plate is located between the supporting rod and the blocking block; then the other horizontal plate is sleeved on the connecting rod, the horizontal plate is abutted against the blocking block, and the blocking block is located between the two horizontal plates, and the two ends of each horizontal plate are respectively abutted against the vertical plate and the support plate, so that the two horizontal plates are accurately installed in the corresponding positions, thereby improving the subsequent welding efficiency.

[0013] Optionally, the mounting platform is slidably connected to a push plate, the second positioning plate is located between the push plate and the second abutment plate, and the mounting platform is connected to a third driving member for driving the push plate to slide toward or away from the second positioning plate.

[0014] By adopting the above technical solution, the main board is placed between the first abutment plate and the first clamping plate, that is, the main board is located between the push plate and the second positioning plate, and the third driving member drives the push plate to slide in the direction close to the second positioning plate, and the push plate abuts against the main board and drives the main board to slide in the direction close to the second positioning plate, so that the main board abuts against the second positioning plate, and the second positioning plate is preliminarily positioned; the first driving member drives the first clamping plate to slide in the direction close to the first abutment plate, so that the main board is clamped by the first abutment plate and the first clamping plate, and the main board is accurately installed in the corresponding position, thereby improving the subsequent welding efficiency.

[0015] Optionally, a third clamping assembly is further included, wherein the third clamping assembly is located between the blocking assembly and the first positioning plate, the third clamping assembly includes a support plate connected to the mounting platform, a first threaded rod threadedly connected to the mounting platform, and a first clamping block arranged on the first threaded rod, the first clamping block is located between the support plate and the first threaded rod, and the support plate is provided with a support groove for cooperating with the longitudinal plate.

[0016] By adopting the above technical solution, one of the longitudinal plates is placed on the support plate, one end of the longitudinal plate is in contact with the connecting plate, the support plate is inserted into the support groove, the outer surface of the longitudinal plate is in contact with the inner wall of the support groove, and the inner wall of the support groove plays a positioning role in the installation of the longitudinal plate, so that the longitudinal plate is accurately installed in the corresponding position. The first threaded rod is rotated in the direction close to the support plate, and the first clamping block slides in the direction close to the support plate, so that the longitudinal plate is clamped by the support plate and the first clamping block, thereby improving the stability of the longitudinal plate installed on the mounting platform.

[0017] Optionally, it also includes a fourth clamping assembly, which is located between the blocking assembly and the first positioning plate, and the fourth clamping assembly includes a second threaded rod threadedly connected to the mounting platform, a second clamping block arranged on the second threaded rod, a third clamping plate slidably connected to the mounting platform, and an active member for driving the third clamping plate to slide toward or away from the second clamping block, the active member is connected to the mounting platform, and the second clamping block is located between the second threaded rod and the third clamping plate.

[0018] By adopting the above technical solution, the top plate is installed on the main board, and one side of the top plate is abutted against the longitudinal plate installed on the mounting table. Another longitudinal plate is placed on the mounting table, and the longitudinal plate is abutted against the top plate and the corresponding connecting plate at the same time. The longitudinal plate is located between the second clamping block and the third clamping plate, and the active member drives the third clamping plate to slide in the direction close to the second clamping block, so that the third clamping plate abuts against the longitudinal plate, and the second threaded rod is rotated in the direction close to the third clamping plate, and the second clamping block slides in the direction close to the third clamping plate, so that the longitudinal plate is clamped by the second clamping block and the third clamping plate, thereby improving the stability of the longitudinal plate installed on the mounting table.

[0019] Optionally, a support block is detachably connected to a side of the third clamping plate close to the second clamping block, and the support block is used to abut against the longitudinal plate.

[0020] By adopting the above technical solution, different support blocks are installed according to the actual height of the longitudinal plate, and the support blocks play a supporting role on the longitudinal plate, thereby improving the stability of the longitudinal plate installed on the mounting platform.

[0021] Optionally, the upper pressure assembly includes a raising block connected to the mounting platform, an upper pressure block detachably connected to the raising block, and a fixing member threadedly connected to the raising block, the raising block and the upper pressure block are fixedly connected via the fixing member, and the upper pressure block is provided with a channel for the fixing member to pass through.

[0022] By adopting the above technical solution, after the longitudinal plate is installed, the fixing piece is rotated toward the direction close to the height increasing block, the fixing piece abuts against the upper pressure plate and drives the upper pressure plate to slide toward the direction close to the height increasing block, and the longitudinal plate is clamped by the upper pressure plate and the support plate, or the longitudinal plate is clamped by the upper pressure plate and the support block, thereby improving the stability of the longitudinal plate installed on the mounting platform.

[0023] A method of use, characterized in that: step A, fixing the mainboard: first placing the mainboard on the mounting table, the mainboard is located between the second positioning plate and the push plate, and between the first abutment plate and the first clamping plate, the third driving member drives the push plate to slide in the direction close to the second positioning plate, the push plate abuts against the mainboard and drives the mainboard to abut against the second positioning plate, the first driving member drives the first clamping plate to slide in the direction close to the first abutment plate, so that the mainboard is clamped by the first abutment plate and the first clamping plate; step B, fixing the support plate: placing the support plate on the mounting table, the support plate is located between the second abutment plate and the second clamping plate, one side of the support plate is in contact with the mainboard, and the second driving member drives the second clamping plate to slide in the direction close to the first abutment plate. The second abutment plate slides in the direction of the support plate so that the support plate is clamped by the second clamping plate and the second abutment plate; step C, installing the connecting plate: insert the connecting plate into the corresponding positioning groove, the outer surface of the connecting plate fits with the inner wall of the positioning groove, and one side of the connecting plate abuts with the support plate; step D, installing two horizontal plates: one of the horizontal plates is mounted on the connecting rod, one side of the horizontal plate abuts with the support rod, a blocking block is mounted on the connecting rod, and then another horizontal plate is mounted on the connecting rod, the blocking block is located between the two horizontal plates, and the two ends of the two horizontal plates are respectively fitted with the vertical plate and the support plate; step E, fixing one of the longitudinal plates: first install one of the longitudinal plates on the mounting table, the longitudinal plate is mounted in the supporting groove, and the longitudinal plate is fixed at the same time Abut the connecting plate and the main board, move the corresponding blocking block so that the blocking part corresponds to the longitudinal plate, and the cooperation between the blocking part and the connecting plate limits the movement of the longitudinal plate, rotate the first threaded rod in the direction close to the support plate, and the first clamping block slides in the direction close to the support plate, so that the longitudinal plate is clamped by the support plate and the first clamping block, place the upper pressing block on the corresponding heightening block, one end of the fixing part passes through the channel and is threadedly connected to the heightening block, so that the longitudinal plate is clamped by the support plate and the upper pressing block; step F, install the top plate: install the top plate on the main board, the top plate is stuck in the corresponding positioning groove, and one side of the top plate is abutted against the longitudinal plate; step G, fix the other longitudinal plate: install the other longitudinal plate on On the mounting platform, the longitudinal plate is simultaneously abutted against the top plate and the corresponding connecting plate, and the corresponding blocking block is moved so that the blocking part corresponds to the longitudinal plate. The cooperation between the blocking part and the connecting plate limits the movement of the longitudinal plate, and the active part drives the third clamping plate to slide in the direction close to the second clamping block, so that the third clamping plate abuts against the longitudinal plate, and the second threaded rod is rotated in the direction close to the third clamping plate, and the second clamping block slides in the direction close to the third clamping plate, so that the longitudinal plate is clamped by the second clamping block and the third clamping plate, and the fixing part is rotated in the direction close to the mounting platform, and the fixing part abuts against the upper pressing block and drives the upper pressing block to slide in the direction close to the heightening block, so that the longitudinal plate is clamped by the support plate and the upper pressing block.

[0024] By adopting the above technical solution, the main board, top board, vertical board, two support boards, two horizontal boards, two connecting boards and two longitudinal boards are installed on the mounting table in the order of installation, ensuring the accurate position of each board, avoiding misalignment or deviation, improving the overall assembly accuracy and reducing error accumulation.

[0025] In summary, the present application includes at least one of the following beneficial technical effects: 1. Before the forklift chassis frame is welded, each plate is first installed on the mounting plate through various components, and then each joint is welded uniformly, thereby improving the efficiency of the forklift chassis frame welding.

[0026] 2. The main board, top board, vertical board, two support boards, two horizontal boards, two connecting boards and two longitudinal boards are installed on the mounting table in the order of installation to ensure that each board is positioned accurately, avoid misalignment or deviation, improve the overall assembly accuracy and reduce error accumulation. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the forklift chassis.

[0028] Figure 2 It is one of the overall structural schematic diagrams of the forklift chassis and the embodiment of the present application, showing the first positioning plate.

[0029] Figure 3 It is one of the overall structural schematic diagrams of the embodiment of the present application, showing the installation block.

[0030] Figure 4 yes Figure 3 A magnified image of area A.

[0031] Figure 5 This is the second schematic diagram of the overall structure of the embodiment of the present application, showing the second clamping assembly.

[0032] Figure 6 This is the second schematic diagram of the overall structure of the forklift chassis and the embodiment of the present application, showing the support rod.

[0033] Figure 7 yes Figure 6 Magnified view of area B.

[0034] Figure 8 This is the third overall structural schematic diagram of the embodiment of the present application, showing the third clamping assembly.

[0035] Fig. 9 yes Figure 8 Magnified view of region C.

[0036] Fig.10 yes Figure 8 Magnified view of area D.

[0037] Description of the reference numerals: 1, mounting platform; 11, first positioning plate; 111, positioning groove; 12, second positioning plate; 13, third driving member; 2, blocking assembly; 21, mounting block; 211, slide groove; 22, blocking block; 221, blocking portion; 23, limiting member; 3, first clamping assembly; 31, first abutting plate; 32, first driving member; 4, second clamping assembly; 41, second abutting plate; 42, second clamping plate; 43, second driving member; 5, supporting assembly; 51, supporting rod; 52, connecting rod; 53, blocking member Block; 6, third clamping assembly; 61, support plate; 611, support groove; 62, first threaded rod; 63, first clamping block; 7, fourth clamping assembly; 71, second threaded rod; 72, second clamping block; 73, third clamping plate; 731, support block; 74, active part; 8, upper pressure assembly; 81, heightening block; 82, upper pressure block; 821, channel; 83, fixing part; 9, forklift chassis frame; 91, main board; 92, top plate; 93, vertical plate; 94, support plate; 95, horizontal plate; 96, connecting plate; 97, longitudinal plate. DETAILED DESCRIPTION

[0038] The following is combined with Figure 2 -Attached Fig.10 This application is described in further detail.

[0039] The embodiment of the present application discloses a forklift chassis frame welding fixture and a use method.

[0040] Combination Figure 2 , Figure 3 and Figure 4 As shown, it includes a mounting platform 1, two ends of which are respectively connected to two blocking components 2 and four first positioning plates 11, two first positioning plates 11 form a group, the two groups of first positioning plates 11 are arranged opposite to each other, the two first positioning plates 11 in each group are arranged up and down, and a positioning groove 111 is opened on the side of each first positioning plate 11 close to the blocking component 2.

[0041] Combination Figure 3 and Figure 4 As shown, two blocking assemblies 2 are relatively arranged on the mounting platform 1, and the blocking assemblies 2 include a mounting block 21 fixedly connected to the mounting platform 1, a blocking block 22 slidably connected to the mounting block 21, and a stopper 23 detachably connected to the blocking block 22. The mounting block 21 is relatively provided with two slide grooves 211 for slidingly cooperating with the blocking block 22, and one of the slide grooves 211 is located between the other slide groove 211 and the first positioning plate 11. The stopper 23 is a bolt, and the stopper 23 is threadedly connected to the blocking block 22. The stopper 23 is located at one end of the blocking block 22, and two blocking portions 221 are relatively arranged at one end of the blocking block 22 away from the stopper 23, and the slide groove 211 is located between the stopper 23 and the blocking portion 221.

[0042] Combination Figure 3 and Figure 5 As shown, the mounting table 1 is connected to a first clamping assembly 3, and the first clamping assembly 3 is located between the mounting block 21 and the first positioning plate 11. The first clamping assembly 3 includes a first abutment plate 31 fixedly connected to the mounting table 1, a first clamping plate (not shown in the drawings) slidably connected to the mounting table 1, and a first driving member 32 for driving the first clamping plate to slide toward or away from the first abutment plate 31. The first abutment plate 31 and the first clamping plate are arranged opposite to each other, and the first driving member 32 is fixedly connected to the mounting table 1. The first driving member 32 is a cylinder, and the first driving member 32 is externally connected to a controller (not shown in the drawings). The signal output end of the controller is connected to the signal input end of the first driving member 32, and the side of the first clamping plate close to the first driving member 32 is fixedly connected to the output end of the first driving member 32. The mounting table 1 is relatively fixedly connected with two second positioning plates 12, the two second positioning plates 12 are located between the mounting block 21 and the first positioning plate 11, the two second positioning plates 12 are located between the first abutment plate 31 and the first clamping plate, and the second positioning plate 12 is relatively slidably connected with two push plates (not shown in the drawings) on one side close to the mounting block 21, and the mounting table 1 is fixedly connected with a third driving member 13 for driving the push plate to slide toward or away from the second positioning plate 12. There are two third driving members 13, and the third driving members 13 correspond to the push plates one by one. The third driving member 13 is a cylinder, and the signal output end of the controller is connected to the signal input end of the third driving member 13, and the side of the push plate close to the third driving member 13 is fixedly connected to the output end of the third driving member 13.

[0043] Combination Figure 3 and Figure 5 As shown, the mounting table 1 is relatively connected to two second clamping assemblies 4, and the two second clamping assemblies 4 are located on the side of the push plate away from the mounting block 21. The second clamping assembly 4 includes a second abutment plate 41 fixedly connected to the mounting table 1, a second clamping plate 42 slidably connected to the mounting table 1, and a second driving member 43 for driving the second clamping plate 42 to slide toward or away from the second abutment plate 41. The second driving member 43 is fixedly connected to the mounting table 1, and the second driving member 43 is a cylinder. The signal output end of the controller is connected to the signal input end of the second driving member 43, and the side of the second clamping plate 42 close to the second driving member 43 is fixedly connected to the output end of the second driving member 43.

[0044] Combination Figure 5 , Figure 6 and Figure 7 As shown, the mounting platform 1 is connected to a support assembly 5, which includes a support rod 51 fixedly connected to the mounting platform 1, a connecting rod 52 threadedly connected to one side of the support rod 51, and a blocking block 53 sleeved on the connecting rod 52, and the radius of the connecting rod 52 is smaller than the radius of the support rod 51.

[0045] Combination Figure 8 and Fig. 9 As shown, the mounting platform 1 is relatively connected with two third clamping assemblies 6, and the two third clamping assemblies 6 are located between the mounting block 21 and the first positioning plate 11. The third clamping assembly 6 includes a support plate 61 fixedly connected to the mounting platform 1, a first threaded rod 62 threadedly connected to the mounting platform 1, and a first clamping block 63 arranged on the first threaded rod 62, the first clamping block 63 is located between the first threaded rod 62 and the support plate 61, and a support groove 611 is provided on one side of the support plate 61 close to the first clamping block 63.

[0046] Combination Figure 8 and Fig.10 As shown, the mounting platform 1 is relatively connected with two fourth clamping assemblies 7, the two fourth clamping assemblies 7 are located between the mounting block 21 and the first positioning plate 11, and the support plate 61 is located between the fourth clamping assembly 7 and the first clamping block 63. The fourth clamping assembly 7 includes a second threaded rod 71 threadedly connected to the mounting platform 1, a second clamping block 72 arranged on the second threaded rod 71, a third clamping plate 73 slidably connected to the mounting platform 1, and an active member 74 for driving the third clamping plate 73 to slide toward or away from the second clamping block 72, the second clamping block 72 is located on a side of the second threaded rod 71 close to the third clamping plate 73, the third clamping plate 73 is located between the second clamping block 72 and the support plate 61, and the active member 74 is connected to the mounting platform 1, the active member 74 is a clamp, and the second clamping block 72 is fixedly connected to the end of the active member 74. A support block 731 is detachably connected to one side of the third clamping plate 73 close to the second clamping block 72 , and the support block 731 is connected to the third clamping plate 73 by bolts.

[0047] Combination Figure 8 and Fig.10 As shown, the mounting platform 1 is connected to four upper pressure assemblies 8, and the four upper pressure assemblies 8 are located on the first positioning plate 11 and the mounting block 21. The upper pressure assembly 8 includes a heightening block 81 fixedly connected to the mounting platform 1, an upper pressure block 82 detachably connected to the side of the heightening block 81 away from the mounting platform 1, and a fixing member 83 threadedly connected to the heightening block 81, the fixing member 83 is a bolt, and the upper pressure block 82 is provided with a channel 821 for the fixing member 83 to pass through, and the channel 821 is in the shape of a waist-shaped hole.

[0048] The implementation principle of a forklift chassis welding fixture in the embodiment of the present application is as follows: Step A, fixing the main board 91: firstly place the main board 91 on the mounting table 1, the main board 91 is located between the second positioning plate 12 and the push plate, and between the first abutment plate 31 and the first clamping plate, the third driving member 13 drives the push plate to slide in the direction close to the second positioning plate 12, the push plate abuts against the main board 91 and drives the main board 91 to abut against the second positioning plate 12, the first driving member 32 drives the first clamping plate to slide in the direction close to the first abutment plate 31, so that the main board 91 is clamped by the first abutment plate 31 and the first clamping plate; Step B, fixing the support plate 94: placing the support plate 94 on the mounting platform 1, the support plate 94 is located between the second abutting plate 41 and the second clamping plate 42, one side of the support plate 94 is in contact with the main plate 91, and the second driving member 43 drives the second clamping plate 42 to slide in a direction close to the second abutting plate 41, so that the support plate 94 is clamped by the second clamping plate 42 and the second abutting plate 41; Step C, installing the connecting plate 96: inserting the connecting plate 96 into the corresponding positioning groove 111, the outer surface of the connecting plate 96 is in contact with the inner wall of the positioning groove 111, and one side of the connecting plate 96 is in contact with the support plate 94; Step D, installing two horizontal plates 95: one of the horizontal plates 95 is sleeved on the connecting rod 52, one side of the horizontal plate 95 is in contact with the support rod 51, a blocking block 53 is sleeved on the connecting rod 52, and then another horizontal plate 95 is sleeved on the connecting rod 52, the blocking block 53 is located between the two horizontal plates 95, and the two ends of the two horizontal plates 95 are respectively in contact with the vertical plate 93 and the support plate 94; Step E, fix one of the longitudinal plates 97: first install one of the longitudinal plates 97 on the mounting platform 1, the longitudinal plate 97 is inserted into the support groove 611, the longitudinal plate 97 is abutted against the connecting plate 96 and the main plate 91 at the same time, the corresponding blocking block 22 is moved so that the blocking portion 221 corresponds to the longitudinal plate 97, and the cooperation between the blocking portion 221 and the connecting plate 96 limits the movement of the longitudinal plate 97, the first threaded rod 62 is rotated in the direction close to the support plate 61, the first clamping block 63 slides in the direction close to the support plate 61, so that the longitudinal plate 97 is clamped by the support plate 61 and the first clamping block 63, the upper pressing block 82 is placed on the corresponding heightening block 81, one end of the fixing member 83 passes through the channel 821 and is threadedly connected to the heightening block 81, so that the longitudinal plate 97 is pressed by the support plate 61 and the upper pressing block 82; Step F, installing the top plate 92: installing the top plate 92 on the main plate 91, inserting the top plate 92 into the corresponding positioning groove 111, and a side of the top plate 92 abutting against the longitudinal plate 97; The second clamping block 72 is then moved to a position close to the second clamping block 72 so that the third clamping plate 73 is in contact with the longitudinal plate 97. The second clamping block 72 is then moved to a position close to the third clamping plate 73 so that the longitudinal plate 97 is clamped by the second clamping block 72 and the third clamping plate 73. The fixing member 83 is then rotated in a direction close to the mounting platform 1. The fixing member 83 is in contact with the upper pressing block 82 and drives the upper pressing block 82 to slide in a direction close to the heightening block 81, so that the longitudinal plate 97 is pressed by the support plate 61 and the upper pressing block 82.

[0049] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A forklift chassis welding fixture, characterized by: The invention comprises a mounting platform (1), wherein two ends of the mounting platform (1) are respectively connected to a blocking assembly (2) and at least two first positioning plates (11), the mounting platform (1) is connected to a second positioning plate (12) and a first clamping assembly (3), the second positioning plate (12) and the first clamping assembly (3) are both located between the first positioning plate (11) and the blocking assembly (2), and the first clamping assembly (3) comprises a first abutting plate (31) connected to the mounting platform (1), a first clamping plate slidably connected to the mounting platform (1), and a first driving member for driving the first clamping plate to slide in a direction close to or away from the first abutting plate (31). (32), the first driving member (32) is connected to the mounting platform (1), the second positioning plate (12), the first abutting plate (31) and the first clamping plate are all used to abut against the main board (91), the first positioning plate (11) is provided with a positioning groove (111), the positioning groove (111) is used to cooperate with the top plate (92) and the connecting plate (96), the mounting platform (1) is connected with a second clamping assembly (4), a supporting assembly (5) and an upper pressing assembly (8), the second clamping assembly (4) is used to clamp the support plate (94), the supporting assembly (5) is used to support the transverse plate (95), and the upper pressing assembly (8) is used to press the longitudinal plate (97).

2. The forklift chassis welding fixture according to claim 1, characterized in that: The blocking assembly (2) comprises a mounting block (21) connected to the mounting platform (1), a blocking block (22) slidably connected to the mounting block (21), and a stopper (23) detachably connected to the blocking block (22); a blocking portion (221) is provided at one end of the blocking block (22) away from the stopper (23); the mounting block (21) is provided with a slide groove (211) for slidably cooperating with the blocking block (22); the slide groove (211) is located between the stopper (23) and the blocking portion (221).

3. The forklift chassis welding fixture according to claim 1, characterized in that: The second clamping assembly (4) comprises a second abutment plate (41) connected to the mounting platform (1), a second clamping plate (42) slidably connected to the mounting platform (1), and a second driving member (43) for driving the second clamping plate (42) to slide in a direction approaching or away from the second abutment plate (41), the second driving member (43) being connected to the mounting platform (1), and the second positioning plate (12) being located between the blocking assembly (2) and the second abutment plate (41).

4. The forklift chassis welding fixture according to claim 1, characterized in that: The support assembly (5) comprises a support rod (51) connected to the mounting platform (1), a connecting rod (52) connected to the support rod (51), and a blocking block (53) sleeved on the connecting rod (52); the connecting rod (52) is located on a side of the support rod (51) away from the mounting platform (1); and the radius of the connecting rod (52) is smaller than the radius of the support rod (51).

5. The forklift chassis welding fixture according to claim 3, characterized in that: The mounting platform (1) is slidably connected to a push plate, the second positioning plate (12) is located between the push plate and the second abutment plate (41), and the mounting platform (1) is connected to a third driving member (13) for driving the push plate to slide in a direction close to or away from the second positioning plate (12).

6. The forklift chassis welding fixture according to claim 1, characterized in that: The invention also comprises a third clamping assembly (6), wherein the third clamping assembly (6) is located between the blocking assembly (2) and the first positioning plate (11), and the third clamping assembly (6) comprises a support plate (61) connected to the mounting platform (1), a first threaded rod (62) threadedly connected to the mounting platform (1), and a first clamping block (63) arranged on the first threaded rod (62), wherein the first clamping block (63) is located between the support plate (61) and the first threaded rod (62), and the support plate (61) is provided with a support groove (611) for cooperating with the longitudinal plate (97).

7. The forklift chassis welding fixture according to claim 1, characterized in that: The fourth clamping assembly (7) is located between the blocking assembly (2) and the first positioning plate (11), and the fourth clamping assembly (7) comprises a second threaded rod (71) threadedly connected to the mounting platform (1), a second clamping block (72) arranged on the second threaded rod (71), a third clamping plate (73) slidably connected to the mounting platform (1), and an active member (74) for driving the third clamping plate (73) to slide in a direction close to or away from the second clamping block (72), wherein the active member (74) is connected to the mounting platform (1), and the second clamping block (72) is located between the second threaded rod (71) and the third clamping plate (73).

8. The forklift chassis welding fixture according to claim 7, characterized in that: A support block (731) is detachably connected to one side of the third clamping plate (73) close to the second clamping block (72), and the support block (731) is used to abut against the longitudinal plate (97).

9. The forklift chassis welding fixture according to claim 1, characterized in that: The upper pressure assembly (8) comprises a heightening block (81) connected to the mounting platform (1), an upper pressure block (82) detachably connected to the heightening block (81), and a fixing member (83) threadedly connected to the heightening block (81); the heightening block (81) and the upper pressure block (82) are fixedly connected via the fixing member (83); and the upper pressure block (82) is provided with a passage (821) for the fixing member (83) to pass through.

10. A method of use, characterized in that: Step A, fixing the main board (91): firstly placing the main board (91) on the mounting platform (1), the main board (91) being located between the second positioning plate (12) and the push plate, and between the first abutment plate (31) and the first clamping plate, the third driving member (13) driving the push plate to slide in a direction close to the second positioning plate (12), the push plate abuts against the main board (91) and drives the main board (91) to abut against the second positioning plate (12), the first driving member (32) driving the first clamping plate to slide in a direction close to the first abutment plate (31), so that the main board (91) is clamped by the first abutment plate (31) and the first clamping plate; Step B, fixing the support plate (94): placing the support plate (94) on the mounting platform (1), the support plate (94) being located in the second Between the abutment plate (41) and the second clamping plate (42), one side of the support plate (94) is in contact with the main plate (91), and the second driving member (43) drives the second clamping plate (42) to slide in a direction close to the second abutment plate (41), so that the support plate (94) is clamped by the second clamping plate (42) and the second abutment plate (41); step C, installing the connecting plate (96): inserting the connecting plate (96) into the corresponding positioning groove (111), the outer surface of the connecting plate (96) is in contact with the inner wall of the positioning groove (111), and one side of the connecting plate (96) is in contact with the support plate (94); step D, installing two horizontal plates (95): one of the horizontal plates (95) is sleeved on the connecting rod (52), and one side of the horizontal plate (95) is in contact with the supporting rod ( 51), a blocking block (53) is sleeved on the connecting rod (52), and then another horizontal plate (95) is sleeved on the connecting rod (52), the blocking block (53) is located between the two horizontal plates (95), and the two ends of the two horizontal plates (95) are respectively in contact with the vertical plate (93) and the support plate (94); step E, fixing one of the longitudinal plates (97): firstly, one of the longitudinal plates (97) is installed on the mounting platform (1), and the longitudinal plate (97) is inserted into the support groove (611), and the longitudinal plate (97) is simultaneously in contact with the connecting plate (96) and the main plate (91), and the corresponding blocking block (22) is moved so that the blocking portion (221) corresponds to the longitudinal plate (97), and the cooperation between the blocking portion (221) and the connecting plate (96) is to tighten the longitudinal plate (97). The movement plays a limiting role, the first threaded rod (62) is rotated in the direction close to the support plate (61), and the first clamping block (63) slides in the direction close to the support plate (61), so that the longitudinal plate (97) is clamped by the support plate (61) and the first clamping block (63), and the upper pressing block (82) is placed on the corresponding heightening block (81), and one end of the fixing member (83) passes through the channel (821) and is threadedly connected to the heightening block (81), so that the longitudinal plate (97) is pressed by the support plate (61) and the upper pressing block (82); step F, installing the top plate (92): installing the top plate (92) on the main plate (91), the top plate (92) is clamped in the corresponding positioning groove (111), and one side of the top plate (92) is abutted against the longitudinal plate (97);Step G, fixing another longitudinal plate (97): installing another longitudinal plate (97) on the mounting platform (1), the longitudinal plate (97) abutting against the top plate (92) and the corresponding connecting plate (96) at the same time, moving the corresponding blocking block (22) so that the blocking portion (221) corresponds to the longitudinal plate (97), the cooperation between the blocking portion (221) and the connecting plate (96) limits the movement of the longitudinal plate (97), and the active member (74) drives the third clamping plate (73) to slide in the direction close to the second clamping block (72), so that the third clamping plate (73) and The longitudinal plate (97) is abutted, the second threaded rod (71) is rotated in a direction close to the third clamping plate (73), and the second clamping block (72) slides in a direction close to the third clamping plate (73), so that the longitudinal plate (97) is clamped by the second clamping block (72) and the third clamping plate (73), and the fixing member (83) is rotated in a direction close to the mounting platform (1), the fixing member (83) abuts against the upper pressing block (82) and drives the upper pressing block (82) to slide in a direction close to the heightening block (81), so that the longitudinal plate (97) is pressed by the support plate (61) and the upper pressing block (82). ;

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