CN110153621B - Truck carriage splicing and welding clamp - Google Patents

Truck carriage splicing and welding clamp Download PDF

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Publication number
CN110153621B
CN110153621B CN201910593634.5A CN201910593634A CN110153621B CN 110153621 B CN110153621 B CN 110153621B CN 201910593634 A CN201910593634 A CN 201910593634A CN 110153621 B CN110153621 B CN 110153621B
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CN
China
Prior art keywords
clamp
assembly
carriage
turntable
rod
Prior art date
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Application number
CN201910593634.5A
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Chinese (zh)
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CN110153621A (en
Inventor
杨林伟
杨康和
李定意
李卫强
王娇
伍小平
蒋冬梅
陈勇
王志恒
程建俊
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Anhui Jianghuai Automobile Group Corp
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Anhui Jianghuai Automobile Group Corp
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Priority to CN201910593634.5A priority Critical patent/CN110153621B/en
Publication of CN110153621A publication Critical patent/CN110153621A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0426Fixtures for other work
    • B23K37/0435Clamps
    • B23K37/0443Jigs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00Articles made by soldering, welding or cutting
    • B23K2101/006Vehicles

Abstract

The invention discloses a truck carriage splicing welding clamp, which relates to the field of machining and comprises a base assembly, a turntable assembly arranged at the upper end of the base assembly, a clamp body fixedly connected with the rotating movable end of the turntable assembly, and sub-assemblies which are arranged on the clamp body and used for fixing a side plate and a bottom plate of a carriage; each sub-assembly specifically comprises a support assembly, a rear side clamp assembly, a left side clamp assembly, a right side clamp assembly, a pressure rod assembly and a limiting rod assembly, and the movable adjusting structures are respectively adopted, so that the position of the carriage plate body in the corresponding sub-assembly can be adjusted. The jig for welding the truck carriage is adopted to carry out the welding work of the truck carriage, so that the jig is simple to operate, saves time and labor, can ensure the working efficiency and the operation safety of operators, and can also ensure the integral quality and the consistency of manufactured products.

Description

Truck carriage splicing and welding clamp
Technical Field
The invention relates to the field of machining, in particular to the field of carriage tailor-welding, and particularly relates to a jig for tailor-welding a truck carriage.
Background
The truck carriage is a common part on a truck, the market demand is high, the welding and splicing processes are particularly multiple in the production process, and the matching requirement between the carriage plates is high during splicing.
In the process of splicing and welding the truck carriage, splicing is carried out at least six times, and some special requirements are even more. To this, at present mainly adopt manual operation, and do not have special tailor-welded clamp to use in coordination, appear following drawback gradually in actual use: (1) the plates are not provided with a positioning device in the splicing process, the plates are completely leaned together by operators through simple support, and the gap of the gap and the regularity of the plates are difficult to control; (2) in the process of no special tailor-welding fixture, after one welding seam is welded, an operator can hold a welding gun to weld, and after one seam is welded, another seam can be spliced and welded; (3) in the process of no special tailor-welding fixture, the gap and the flatness between the plates cannot be ensured, the alignment is continuously adjusted by operators, the quality of the product is difficult to ensure, and the consistency of the product is difficult to ensure; (4) at the in-process that does not have special tailor-welding anchor clamps, operating personnel need make a round trip to weld around the carriage at the in-process of tailor-welding, very consume physical power, and some plates are bigger, also have certain potential safety hazard at the in-process of concatenation.
Accordingly, a jig for splicing and welding truck carriages is urgently needed at present.
Disclosure of Invention
The invention mainly aims to provide a truck carriage tailor-welding clamp, and aims to solve the problems of complex manual operation, time and labor waste, poor safety, difficult guarantee of product quality, low product consistency and the like caused by the lack of a special tailor-welding clamp in the existing truck carriage tailor-welding process.
In order to achieve the purpose, the invention provides a tailor-welding fixture for a truck carriage, which comprises a base assembly, a turntable assembly arranged at the upper end of the base assembly, a fixture body fixedly connected with the rotating movable end of the turntable assembly, and sub-assemblies arranged on the fixture body and used for fixing a side plate and a bottom plate of the carriage; each sub-assembly specifically comprises a support assembly, a rear side clamp assembly, a left side clamp assembly, a right side clamp assembly, a pressure rod assembly and a limiting rod assembly, and the movable adjusting structures are respectively adopted, so that the position of the carriage plate body in the corresponding sub-assembly can be adjusted.
Optionally, the base assembly comprises:
a well-shaped steel frame;
the four base assembly supports are respectively arranged at four corners of the bottom end of the well-shaped steel frame;
the base assembly reinforcing steel plate is arranged on the upper surface of the # -shaped steel frame;
and the turntable connecting steel plate is arranged in the middle of the # -shaped steel frame and is connected with the fixed end of the turntable assembly.
Optionally, the carousel assembly comprises:
the turntable bottom plate is fixedly connected with the top end of the base assembly;
the turntable spindle is arranged in the middle of the turntable bottom plate and extends upwards along the middle of the turntable bottom plate;
the rotary disc rotor is connected with the rotary disc spindle and is driven by the rotary disc spindle to rotate;
the fixture connecting plate is connected with the turntable rotor; the turntable assembly is connected with the fixture body through the fixture body connecting plate, so that the fixture body rotates under the driving of the rotation of the turntable spindle and the turntable rotor.
Optionally, the clamp body includes:
the turntable is connected with the supporting seat, and the middle part of the turntable connected with the supporting seat is connected with the turntable assembly;
the rear clamp assembly connecting plate is arranged at one side end of the turntable connecting support seat and is connected with the rear clamp assembly above the clamp body;
the left and right clamp connecting plates are distributed at the front and rear side ends of the turntable connecting support seat and are respectively connected with corresponding left and right clamp assemblies above the clamp body;
the supporting frame assembly connecting plates are distributed at the left side end and the right side end of the turntable connecting and supporting seat, extend along the front length direction and the rear length direction of the clamp body respectively, and are connected with the support assembly above the clamp body.
Optionally, the cradle assembly comprises:
the two vertical supporting rods are respectively arranged at the left side and the right side of the clamp body;
the two clamp body connecting supports are respectively arranged at the bottom ends of the two vertical supporting rods, and the support assembly is connected with the clamp body through the clamp body connecting supports;
the transverse supporting rod is arranged between the two vertical supporting rods and fixedly connects the top ends of the two vertical supporting rods;
and the carriage body bottom plate supporting block is arranged at the upper end of the transverse supporting rod and is used for supporting the carriage bottom plate.
Optionally, the cradle assembly further comprises:
the bracket positioning pin is arranged at the bottom end of one of the two clamp body connecting supports;
and the adjusting positioning pin is arranged at the side end of one of the two vertical supporting rods.
Optionally, the rear clamp assembly comprises:
the lower end of the rear clamp support is connected with the clamp body;
the rear clamp is characterized by comprising a rear clamp thread bushing and a rear clamp threaded rod, wherein the rear clamp thread bushing is transversely arranged on the rear clamp support, and the interior of the rear clamp thread bushing is rotatably connected with the rear clamp threaded rod; one end of the rear clamp threaded rod is connected with the rear clamp handle, and the other end of the rear clamp threaded rod transversely extends to be rotatably connected with one end of the rear clamp support along the inside of the rear clamp threaded bushing;
the rear side clamp short arm is fixed at the upper end of the rear side clamp thread bushing, and the head of the rear side clamp short arm faces to the extending direction of the rear side clamp thread rod;
the rear clamp adjusting block is fixed on a rear clamp support at the side of the rear clamp short arm, and a space for accommodating a carriage rear side plate is formed between the rear clamp adjusting block and the rear clamp short arm;
and the rear side clamp rubber cushion block is arranged at the contact part of the head of the rear side clamp short arm and the carriage rear side plate.
Optionally, the left and right clamp assemblies comprise:
the lower ends of the left and right clamp supports are connected with the clamp body;
the left and right clamp threaded bushings are arranged on the left and right clamp supports and extend along the front and rear length directions of the clamp body, and the left and right clamp threaded bushings are rotatably connected inside the left and right clamp threaded bushings; the outer ends of the left and right clamp threaded rods are connected with left and right clamp handles, and the inner ends of the left and right clamp threaded rods extend to be rotatably connected with one end of a left and right clamp support along the insides of left and right clamp threaded bushings;
the left and right clamp short arms are fixed at the upper ends of the left and right clamp threaded bushings, and the heads of the left and right clamp short arms face the extending direction of the inner ends of the left and right clamp threaded rods;
the left and right clamp adjusting blocks are fixed on left and right clamp supports at the sides of the left and right clamp short arms, and spaces for accommodating left and right side plates of a carriage are formed between the left and right clamp adjusting blocks and the left and right clamp short arms;
the left and right side clamp rubber cushion blocks are arranged at the contact positions of the head parts of the left and right side clamp short arms and the left and right side plates of the carriage.
Optionally, the strut assembly comprises:
the pressure rod is arranged above the bracket assembly and is formed by vertically overlapping a left cross rod and a right cross rod, and the right cross rod is overlapped on the left cross rod; a space for accommodating a bottom plate of the carriage is formed between the lower end of the left cross rod and the support assembly, and a space for accommodating a front plate of the carriage is formed between the lower end of the right cross rod and the left cross rod;
the left end of the compression bar is in threaded fit with a compression bar rear fixing screw rod, and the right end of the compression bar is in threaded fit with a compression bar front fixing screw rod; the fixing screw rod at the front side of the compression bar and the fixing screw rod at the rear side of the compression bar are both vertically arranged above the clamp body, and the height of the compression bar can be adjusted under the matching of the fixing screw rods and the clamp body;
the front side fixing handle and the rear side fixing handle of the compression bar are respectively arranged at the top ends of the front side fixing screw rod and the rear side fixing screw rod of the compression bar;
and the pressing block is arranged at the bottom end of the left cross rod of the pressing rod and is matched with the carriage body bottom plate supporting block on the support assembly.
Optionally, the stop lever assembly comprises:
the limiting rod shaft is mounted at the upper ends of the left side plate and the right side plate of the carriage and is specifically arranged between the left side plate and the right side plate of the carriage;
the fixed pressing claws are fixed at the two tail ends of the limiting rod shaft through hexagonal thin nuts and adjusting screws;
the movable pressing claw is arranged on the outer side of the fixed pressing claw and is in threaded fit connection with the fixed pressing claw through an adjusting support; and a space for accommodating the left side plate and the right side plate of the limiting carriage is formed between the movable pressing claw and the fixed pressing claw.
According to the technical scheme, the splicing welding fixture capable of splicing and fixing the truck carriage at one time is designed, and the problems that manual operation is complex, time and labor are wasted, safety is poor, product quality is difficult to guarantee, product consistency is low and the like due to the fact that a special splicing welding fixture is lacked in the splicing welding process of the existing truck carriage are solved.
The method has the following specific advantages:
(1) the split welding of carriages with different models can be adapted by adjusting the adjusting blocks on the clamp;
(2) the plates of the carriage can be installed and fixed according to the requirements, and the operation is convenient;
(3) the mechanism with adjustable length and width is provided, and the gap between the plates can be adjusted according to the process requirement;
(4) the regularity among the plates can be ensured;
(5) frequent assembly in the splicing welding process can be reduced;
(6) the rotatable device is arranged, all welding can be completed at one position, and the number of times of back and forth movement around the carriage in the operation process can be reduced;
in conclusion, the clamp disclosed by the invention is used for welding the truck carriage, so that the operation is simple, time and labor are saved, the working efficiency and the operation safety of operators can be ensured, and the overall quality and the consistency of manufactured products can be ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic overall structure diagram of an embodiment of a tailor welding jig for a truck compartment according to the present invention;
FIG. 2 is a left side view of the structure of FIG. 1;
FIG. 3 is a schematic structural view of the base assembly of FIG. 1;
FIG. 4 is a schematic top view of the structure of FIG. 3;
FIG. 5 is a schematic structural view of the turntable assembly of FIG. 1;
FIG. 6 is a schematic structural view of the body of the chuck body of FIG. 1;
FIG. 7 is a schematic top view of the structure of FIG. 6;
FIG. 8 is a schematic structural view of the bracket assembly of FIG. 1;
FIG. 9 is a schematic structural view of the rear clamp assembly of FIG. 1;
FIG. 10 is a schematic view of the left and right clamp assemblies of FIG. 1;
FIG. 11 is a left side view of the structure of FIG. 10;
fig. 12 is a schematic structural view of the limiting rod assembly in fig. 2.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The current tailor-welding process of the truck carriage mainly adopts manual operation, and does not have the special tailor-welding clamp for cooperation use, so that the problems of complex manual operation, time and labor waste, poor safety, difficult guarantee of product quality, low product consistency and the like exist.
In view of this, the present invention provides a jig for tailor-welding truck carriage, please refer to fig. 1-2, the jig for tailor-welding truck carriage comprises a base assembly 1, a turntable assembly 2 disposed at the upper end of the base assembly 1, a fixture body 3 fixedly connected to the rotating movable end of the turntable assembly 2, and sub-assemblies mounted on the fixture body 3 and used for fixing the side plates and the bottom plate of the carriage. Each sub-assembly specifically comprises a support assembly 4, a rear side clamp assembly 5, a left side clamp assembly 6, a right side clamp assembly 6, a pressure rod assembly 7 and a limiting rod assembly 8, and the movable adjusting structures are respectively adopted, so that the positions of the carriage plate bodies in the corresponding sub-assemblies can be adjusted.
Referring to fig. 3 and 4, in the present embodiment, the base assembly 1 is a load-bearing module of the whole fixture body, and includes a # -shaped steel frame 11, a base assembly support 12, a base assembly reinforcing steel plate 13, and a turntable connecting steel plate 14. Wherein, base assembly support 12 is provided with four, installs respectively in the bottom four corners department of groined type steelframe 11. The base assembly reinforcing steel plate 13 is arranged on the upper surface of the # -shaped steel frame 11. The turntable connecting steel plate 14 is arranged in the middle of the # -shaped steel frame 11 and is connected with the fixed end of the turntable assembly 2.
Referring to fig. 5, in the present embodiment, the turntable assembly 2 is an important device for rotating the fixture body, and mainly functions to rotate the fixture body 3 and the carriage in the welding process after the plates of the carriage are fixed, so that a person can complete all welding operations of the carriage at the same position. The turntable assembly 2 comprises a turntable bottom plate 21, a turntable spindle 22, a turntable rotor 23 and a clamp body connecting plate 24. Wherein, the bottom of the turntable bottom plate 21 is fixedly connected with the turntable connecting steel plate 14 of the base assembly 1. The turntable spindle 22 is disposed in the middle of the turntable base plate 21 and extends upward along the middle. The turntable rotor 23 is connected to the turntable spindle 22 and is driven by the turntable spindle 22 to rotate. The clamp body connecting plate 24 is connected to the turntable rotor 23. In this embodiment, the turntable assembly 2 is connected to the fixture body 3 through the fixture connecting plate 24, so that the fixture body 3 can rotate under the rotation of the turntable spindle 22 and the turntable rotor 23.
Referring to fig. 6 and 7, in the present embodiment, the main function of the fixture body 3 is to support the bracket assembly 4, the rear clamp assembly 5, the left and right clamp assemblies 6, the press rod assembly 7 and each plate member on the truck bed body on the fixture body 3, which includes a turntable connecting support seat 31, a rear clamp assembly connecting plate 32, a left and right clamp connecting plate 33 and a support frame assembly connecting plate 34. Wherein, the middle part of the turntable connecting support seat 31 is connected with the fixture connecting plate 24 of the turntable assembly 2. The rear clamp assembly connecting plate 32 is disposed at one side end of the turntable connecting support 31 and connected to the rear clamp assembly 5 above the clamp body 3. The left and right clamp connecting plates 33 are distributed at the front and rear ends of the turntable connecting support seat 31 and are respectively connected with the left and right clamp assemblies 6 above the clamp body 3. The supporting frame assembly connecting plates 34 are distributed at the left and right sides of the turntable connecting supporting seat 31, extend along the front and rear length directions of the fixture body 3, and are connected with the supporting frame assembly 4 above the fixture body 3.
Referring to fig. 8, in the present embodiment, the bracket assembly 4 mainly functions to fix the platform floor, and includes a vertical support rod 41, a clamp body connecting support 42, a horizontal support rod 43, and a platform floor support block 44. Wherein, the vertical support rods 41 are provided in two, and are respectively arranged at the left and right sides of the clamp body 3. The two clamp body connecting supports 42 are respectively arranged at the bottom ends of the two vertical supporting rods 41, and the support assembly 4 is connected with the clamp body 3 through the clamp body connecting supports 42. The cross support bar 43 is disposed between the two vertical support bars 41, and fixedly connects the top ends of the two vertical support bars 41. The carriage bottom plate supporting block 44 is arranged at the upper end of the transverse supporting rod 43 and is used for supporting the carriage bottom plate and matching with the fixed bottom plate of the compression bar assembly 7. Further, the bracket assembly 4 further comprises a bracket positioning pin 45 and an adjusting positioning pin 46; the bracket positioning pin 45 is arranged at the bottom end of the right clamp body connecting support 42 and used for positioning the bracket position and ensuring the splicing precision of the carriage body; the adjusting positioning pin 46 is arranged at the side end of the right vertical supporting rod 41 and is used for adjusting the position of the carriage front plate and ensuring the splicing precision of the carriage body.
Referring to fig. 9, in the present embodiment, the rear clamp assembly 5 is mainly used for fixing a rear plate of a car, and includes a rear clamp support 51, a rear clamp threaded bushing 52, a rear clamp threaded rod 53, a rear clamp short arm 54, a rear clamp adjusting block 55, and a rear clamp rubber pad 56. Wherein the lower end of the rear clamp support 51 is connected with the clamp body 3. The rear clamp screw bushing 52 is transversely disposed on the rear clamp support 51, and a rear clamp screw rod 53 is rotatably connected to the inside of the rear clamp screw bushing 52. One end of the rear clamp threaded rod 53 is connected with the rear clamp handle 57, the other end of the rear clamp threaded rod extends transversely along the inside of the rear clamp threaded bushing 52 to be rotatably connected with one end of the rear clamp support 51, and the rear clamp threaded bushing 52 is matched with the rear clamp threaded rod 53 to ensure the movement of the rear clamp short arm 54. The rear gripper short arm 54 is fixed to the upper end of the rear gripper threaded bushing 52, and the head of the rear gripper short arm 54 faces the extending direction of the rear gripper threaded rod 53. The rear clamp adjustment block 55 is fixed to the rear clamp holder 51 on the side of the rear clamp short arm 54, and a space for accommodating the rear plate of the vehicle compartment is formed between the rear clamp adjustment block 55 and the rear clamp short arm 54. The rear side clamp rubber cushion block 56 is arranged at the contact position of the head of the rear side clamp short arm 54 and the rear side plate of the carriage, and has the function of ensuring that the rear side clamp short arm 54 is in soft contact when contacting the rear side plate, so that the product quality is ensured.
Referring to fig. 10 and 11, in the present embodiment, the left and right clamp assemblies 6 are mainly used for fixing left and right side plates of a car, and include left and right clamp supports 61, left and right clamp threaded bushings 62, left and right clamp threaded rods 63, left and right clamp short arms 64, left and right clamp adjustment blocks 65, and left and right clamp rubber pads 66. Wherein, the lower ends of the left and right clamp supports 61 are connected with the clamp body 3. The left and right clamp screw bushes 62 are provided on the left and right clamp holders 61 so as to extend in the longitudinal direction of the clamp body 3, and left and right clamp screw rods 63 are rotatably connected to the inside of the left and right clamp screw bushes 62. The left and right clamp threaded rods 63 have outer ends connected to left and right clamp handles 67 and inner ends extending along the insides of the left and right clamp threaded bushings 62 to be rotatably connected to one ends of the left and right clamp brackets 61. The left and right clamp short arms 64 are fixed to the upper ends of the left and right clamp threaded bushings 62, and the heads of the left and right clamp short arms 64 extend toward the inner ends of the left and right clamp threaded rods 63. The left and right clamp adjustment blocks 65 are fixed to the left and right clamp holders 61 on the sides of the left and right clamp short arms 64, and a space for accommodating the left and right side plates of the vehicle compartment is formed between the left and right clamp adjustment blocks 65 and the left and right clamp short arms 64. The left and right clamp rubber pads 66 are arranged at the contact positions of the heads of the left and right clamp short arms 64 and the left and right side plates of the carriage, and are used for ensuring that the left and right clamp short arms 64 are in soft contact when contacting the left and right side plates, so that the product quality is ensured.
Referring to fig. 1, in the present embodiment, the compression bar assembly 7 is mainly used for fixing a bottom plate of a carriage, and includes a compression bar 71, a compression bar end 72, a compression bar front side fixing handle 73, a compression bar rear side fixing handle 74 and a pressing block 75. The pressure lever 71 is arranged above the bracket assembly 4 and is formed by vertically overlapping a left cross rod and a right cross rod, and the right cross rod is overlapped on the left cross rod; wherein, constitute the space that holds the platform floor between the lower extreme of left side horizontal pole and the support assembly 4, constitute the space that holds the carriage front bezel between the lower extreme of right side horizontal pole and the left side horizontal pole. The end heads 72 of the pressure lever are arranged at two ends of the pressure lever 71 and respectively comprise a left end head and a right end head of the pressure lever, the left end head of the pressure lever is in threaded fit with a rear fixing screw 741 of the pressure lever, and the right end head of the pressure lever is in threaded fit with a front fixing screw 731 of the pressure lever; the front fixing screw 731 of the pressing rod is vertically fixed on the transverse supporting rod 43 of the bracket assembly 4, the rear fixing screw 741 of the pressing rod is vertically arranged on the clamp body 3, and the height of the pressing rod 71 can be adjusted by the cooperation of the front fixing screw and the rear fixing screw. The front fixing handle 73 and the rear fixing handle 74 are respectively mounted on the top ends of the front fixing screw 731 and the rear fixing screw 741, so that the vertical height of the pressing rod 71 can be conveniently adjusted. The pressing block 75 is arranged at the bottom end of the left cross rod of the pressing rod 71 and is matched with the carriage bottom plate supporting block 44 on the support assembly 4 for use, so that the flatness and the stability of the carriage bottom plate after fixing are ensured.
Referring to fig. 2 and 12, in the present embodiment, the limiting rod assembly 8 is mainly used for positioning the distance between the left and right side plates of the car; after the left and right side plates of the carriage are placed on the clamp, the distance between the left and right side plates is fixed by the limiting rod assembly 8, and then the left and right side plates are fixed by the left and right clamp assemblies 6. The limiting rod assembly 8 comprises a limiting rod shaft 81, a fixed pressing claw 82 and a movable pressing claw 83. The limiting rod shaft 81 is mounted at the upper ends of the left and right side plates of the carriage and is specifically arranged between the left and right side plates of the carriage; the fixed pressing claw 82 is fixed at the two ends of the limit rod shaft 81 through a hexagonal thin nut 84 and an adjusting screw 85; the movable pressing claw 83 is arranged on the outer side of the fixed pressing claw 82 and is in threaded fit connection with the fixed pressing claw 82 through an adjusting support 86; a space for accommodating the left and right side plates of the spacing compartment is formed between the movable pressing claw 83 and the fixed pressing claw 82. In this embodiment, the fixed pressing claw 82 and the movable pressing claw 83 are used to fix the initial positions of the left and right plates; the limit lever shaft 81 is used for determining the distance between the left side plate and the right side plate; the adjusting support 86 is used for adjusting the movable pressing claw 83; the adjusting screw 85 is used for adjusting the position of the fixed pressing claw 82.
The working principle is as follows:
(1) firstly, placing left and right side plates of a carriage at the corresponding positions of the left and right clamp assemblies 6;
(2) the distance between the left side plate and the right side plate is determined by utilizing the limiting rod assembly 8;
(3) fixing the left and right side plates by using the left and right clamp assemblies 6, and taking the limiting rod assembly 8 away;
(4) the position of the adjusting positioning pin 46 for leaning the front side plate of the carriage against the bracket assembly 4;
(5) placing and fixing a rear side plate of the carriage on a rear side clamp assembly 5;
(6) the bottom plate of the carriage is placed on a carriage bottom plate supporting block 44 of the bracket assembly 4, the left side and the right side of the carriage are aligned with the left side plate and the right side plate, and the rear side of the carriage is aligned with the rear side plate;
(7) the carriage bottom plate and the front side plate are fixed by a pressure lever assembly 7;
(8) after one side is welded in a position, the welding operation can be performed on the position which is not welded and is rotated by rotating the clamp body 3, and the situation that an operator rotates around the clamp body 3 to weld is avoided.
The clamp is adopted to carry out the tailor-welding work of the truck carriage, so that the clamp is simple to operate, time-saving and labor-saving, the working efficiency and the operation safety of operators can be ensured, and the overall quality and the consistency of manufactured products can be ensured.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (9)

1. A splicing welding clamp for a truck carriage is characterized by comprising a base assembly, a turntable assembly arranged at the upper end of the base assembly, a clamp body fixedly connected with the rotating movable end of the turntable assembly, and sub-assemblies which are arranged on the clamp body and used for fixing side plates and a bottom plate of the carriage; each sub-assembly specifically comprises a support assembly, a rear side clamp assembly, a left side clamp assembly, a right side clamp assembly, a pressure rod assembly and a limiting rod assembly, and the movable adjusting structures are respectively adopted, so that the position of the carriage plate body in the corresponding sub-assembly can be adjusted;
the pressure bar assembly includes:
the pressure rod is arranged above the bracket assembly and is formed by vertically overlapping a left cross rod and a right cross rod, and the right cross rod is overlapped on the left cross rod; a space for accommodating a bottom plate of the carriage is formed between the lower end of the left cross rod and the support assembly, and a space for accommodating a front plate of the carriage is formed between the lower end of the right cross rod and the left cross rod;
the left end of the compression bar is in threaded fit with a compression bar rear fixing screw rod, and the right end of the compression bar is in threaded fit with a compression bar front fixing screw rod; the fixing screw rod at the front side of the compression bar and the fixing screw rod at the rear side of the compression bar are both vertically arranged above the clamp body, and the height of the compression bar can be adjusted under the matching of the fixing screw rods and the clamp body;
the front side fixing handle and the rear side fixing handle of the compression bar are respectively arranged at the top ends of the front side fixing screw rod and the rear side fixing screw rod of the compression bar;
and the pressing block is arranged at the bottom end of the left cross rod of the pressing rod and is matched with the carriage body bottom plate supporting block on the support assembly.
2. The truck bed tailor welding jig of claim 1, wherein said base assembly comprises:
a well-shaped steel frame;
the four base assembly supports are respectively arranged at four corners of the bottom end of the well-shaped steel frame;
the base assembly reinforcing steel plate is arranged on the upper surface of the # -shaped steel frame;
and the turntable connecting steel plate is arranged in the middle of the # -shaped steel frame and is connected with the fixed end of the turntable assembly.
3. The truck bed tailor welding jig of claim 1, wherein said turntable assembly comprises:
the turntable bottom plate is fixedly connected with the top end of the base assembly;
the turntable spindle is arranged in the middle of the turntable bottom plate and extends upwards along the middle of the turntable bottom plate;
the rotary disc rotor is connected with the rotary disc spindle and is driven by the rotary disc spindle to rotate;
the fixture connecting plate is connected with the turntable rotor; the turntable assembly is connected with the fixture body through the fixture body connecting plate, so that the fixture body rotates under the driving of the rotation of the turntable spindle and the turntable rotor.
4. The tailor welding jig for truck beds of claim 1, wherein said jig body comprises:
the turntable is connected with the supporting seat, and the middle part of the turntable connected with the supporting seat is connected with the turntable assembly;
the rear clamp assembly connecting plate is arranged at one side end of the turntable connecting support seat and is connected with the rear clamp assembly above the clamp body;
the left and right clamp connecting plates are distributed at the front and rear side ends of the turntable connecting support seat and are respectively connected with corresponding left and right clamp assemblies above the clamp body;
the supporting frame assembly connecting plates are distributed at the left side end and the right side end of the turntable connecting and supporting seat, extend along the front length direction and the rear length direction of the clamp body respectively, and are connected with the support assembly above the clamp body.
5. The truck bed tailor welding jig of claim 1, wherein said bracket assembly comprises:
the two vertical supporting rods are respectively arranged at the left side and the right side of the clamp body;
the two clamp body connecting supports are respectively arranged at the bottom ends of the two vertical supporting rods, and the support assembly is connected with the clamp body through the clamp body connecting supports;
the transverse supporting rod is arranged between the two vertical supporting rods and fixedly connects the top ends of the two vertical supporting rods;
and the carriage body bottom plate supporting block is arranged at the upper end of the transverse supporting rod and is used for supporting the carriage bottom plate.
6. The truck bed tailor welding jig of claim 5, wherein said bracket assembly further comprises:
the bracket positioning pin is arranged at the bottom end of one of the two clamp body connecting supports;
and the adjusting positioning pin is arranged at the side end of one of the two vertical supporting rods.
7. The truck bed tailor welding jig of claim 1, wherein said rear clamp assembly comprises:
the lower end of the rear clamp support is connected with the clamp body;
the rear clamp is characterized by comprising a rear clamp thread bushing and a rear clamp threaded rod, wherein the rear clamp thread bushing is transversely arranged on the rear clamp support, and the interior of the rear clamp thread bushing is rotatably connected with the rear clamp threaded rod; one end of the rear clamp threaded rod is connected with the rear clamp handle, and the other end of the rear clamp threaded rod transversely extends to be rotatably connected with one end of the rear clamp support along the inside of the rear clamp threaded bushing;
the rear side clamp short arm is fixed at the upper end of the rear side clamp thread bushing, and the head of the rear side clamp short arm faces to the extending direction of the rear side clamp thread rod;
the rear clamp adjusting block is fixed on a rear clamp support at the side of the rear clamp short arm, and a space for accommodating a carriage rear side plate is formed between the rear clamp adjusting block and the rear clamp short arm;
and the rear side clamp rubber cushion block is arranged at the contact part of the head of the rear side clamp short arm and the carriage rear side plate.
8. The truck bed tailor welding jig of claim 1, wherein said left and right clamp assemblies comprise:
the lower ends of the left and right clamp supports are connected with the clamp body;
the left and right clamp threaded bushings are arranged on the left and right clamp supports and extend along the front and rear length directions of the clamp body, and the left and right clamp threaded bushings are rotatably connected inside the left and right clamp threaded bushings; the outer ends of the left and right clamp threaded rods are connected with left and right clamp handles, and the inner ends of the left and right clamp threaded rods extend to be rotatably connected with one end of a left and right clamp support along the insides of left and right clamp threaded bushings;
the left and right clamp short arms are fixed at the upper ends of the left and right clamp threaded bushings, and the heads of the left and right clamp short arms face the extending direction of the inner ends of the left and right clamp threaded rods;
the left and right clamp adjusting blocks are fixed on left and right clamp supports at the sides of the left and right clamp short arms, and spaces for accommodating left and right side plates of a carriage are formed between the left and right clamp adjusting blocks and the left and right clamp short arms;
the left and right side clamp rubber cushion blocks are arranged at the contact positions of the head parts of the left and right side clamp short arms and the left and right side plates of the carriage.
9. The tailor welding jig of a truck bed according to claim 1, wherein said check rod assembly comprises:
the limiting rod shaft is mounted at the upper ends of the left side plate and the right side plate of the carriage and is specifically arranged between the left side plate and the right side plate of the carriage;
the fixed pressing claws are fixed at the two tail ends of the limiting rod shaft through hexagonal thin nuts and adjusting screws;
the movable pressing claw is arranged on the outer side of the fixed pressing claw and is in threaded fit connection with the fixed pressing claw through an adjusting support; and a space for accommodating the left side plate and the right side plate of the limiting carriage is formed between the movable pressing claw and the fixed pressing claw.
CN201910593634.5A 2019-06-27 2019-06-27 Truck carriage splicing and welding clamp Active CN110153621B (en)

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Application Number Priority Date Filing Date Title
CN201910593634.5A CN110153621B (en) 2019-06-27 2019-06-27 Truck carriage splicing and welding clamp

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Application Number Priority Date Filing Date Title
CN201910593634.5A CN110153621B (en) 2019-06-27 2019-06-27 Truck carriage splicing and welding clamp

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CN110153621B true CN110153621B (en) 2020-08-04

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CN206326273U (en) * 2016-12-14 2017-07-14 芜湖市勤惠汽车配件制造有限公司 Automobile sends out cabin crossbeam assembly welding clamp
CN206898688U (en) * 2017-03-20 2018-01-19 武汉方鼎汽车部件制造有限公司 A kind of automobile accessory frame assembly welding clamp
CN108942028A (en) * 2018-06-19 2018-12-07 浙江中车电车有限公司 Automobile body side wall fixture
CN109176347A (en) * 2018-09-30 2019-01-11 广东至信机械制造有限公司 A kind of rotary automobile side wall assembly fixture
CN208663592U (en) * 2018-09-06 2019-03-29 上海金东唐科技有限公司 A kind of turntable jig lower die rotating mechanism
CN109732261A (en) * 2019-03-20 2019-05-10 奇瑞万达贵州客车股份有限公司 A kind of modular bus body skeleton group welding clamp

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104843087A (en) * 2015-04-14 2015-08-19 西安西沃客车有限公司 Light bus body and manufacturing body
CN206326273U (en) * 2016-12-14 2017-07-14 芜湖市勤惠汽车配件制造有限公司 Automobile sends out cabin crossbeam assembly welding clamp
CN106826134A (en) * 2017-03-02 2017-06-13 南南铝业股份有限公司 The preparation method and device of a kind of full aluminium car body top component
CN206898688U (en) * 2017-03-20 2018-01-19 武汉方鼎汽车部件制造有限公司 A kind of automobile accessory frame assembly welding clamp
CN108942028A (en) * 2018-06-19 2018-12-07 浙江中车电车有限公司 Automobile body side wall fixture
CN208663592U (en) * 2018-09-06 2019-03-29 上海金东唐科技有限公司 A kind of turntable jig lower die rotating mechanism
CN109176347A (en) * 2018-09-30 2019-01-11 广东至信机械制造有限公司 A kind of rotary automobile side wall assembly fixture
CN109732261A (en) * 2019-03-20 2019-05-10 奇瑞万达贵州客车股份有限公司 A kind of modular bus body skeleton group welding clamp

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