CN114310118A - Automobile front floor welding fixture - Google Patents

Automobile front floor welding fixture Download PDF

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Publication number
CN114310118A
CN114310118A CN202210106455.6A CN202210106455A CN114310118A CN 114310118 A CN114310118 A CN 114310118A CN 202210106455 A CN202210106455 A CN 202210106455A CN 114310118 A CN114310118 A CN 114310118A
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CN
China
Prior art keywords
clamping
abutting
rod
front floor
supporting
Prior art date
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Withdrawn
Application number
CN202210106455.6A
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Chinese (zh)
Inventor
王江红
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Individual
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Individual
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Priority to CN202210106455.6A priority Critical patent/CN114310118A/en
Publication of CN114310118A publication Critical patent/CN114310118A/en
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Abstract

The invention discloses a welding fixture for a front floor of an automobile, which relates to the technical field of automobile accessory processing, and comprises a fixture base, a central bearing part, at least one pair of end part clamping components and a clamping driving component, wherein each end part clamping component comprises a fixed support, a forward abutting part, an abutting rod, an installation support body and two side clamping parts; the end part of the abutting rod, which is far away from the positive abutting part, is provided with a spring pressing piece. The clamping device is simple in structure, can quickly realize clamping, is suitable for the shape of the clamped end part of the automobile front floor, is firm in clamping, and is high in practicability.

Description

Automobile front floor welding fixture
Technical Field
The invention relates to the technical field of automobile part processing, in particular to an automobile front floor welding clamp.
Background
The automobile front floor is composed of a front floor body and three middle channel longitudinal beams, and the three middle channel longitudinal beams are connected with the front floor body in a welding mode. As sheet metal parts on an automobile, a front floor body and three middle channel longitudinal beams which form the front floor of the automobile need to be welded to realize connection; when welding, the front floor body needs to be clamped through a welding fixture.
The automobile front floor is of a plate body structure, and the conventional clamping mode is that two ends of the automobile front floor are directly clamped by a clamp so as to be suspended; the mode of this kind of clamp centre gripping floor tip before the car leads to the centre gripping location inaccurate easily, moreover because the shape of various floor tip before the car is different, need change the clamp that adapts to floor tip shape before the car in the clamping, its operation is comparatively troublesome.
Disclosure of Invention
The invention aims to provide a welding fixture for a front floor of an automobile, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a welding fixture for a front floor of an automobile comprises a fixture base, a central supporting part and at least one pair of end clamping components, wherein the central supporting part is arranged on the upper end face of the fixture base and is positioned between the two end clamping components, the central supporting part is used for supporting the center of the bottom of the front floor of the automobile, each pair of end clamping components are symmetrically and slidably arranged on the top of the fixture base and clamp the side part of the front floor of the automobile, the welding fixture further comprises a clamping driving component, the clamping driving component is arranged in the fixture base and is used for driving the end clamping components to move towards or away from the central supporting part, the end clamping components comprise a fixed support, a forward abutting part, an abutting rod, an installation support body and two side clamping parts, the fixed support is arranged on the fixture base and is connected with the clamping driving component, the installation support body is arranged on the fixed support and is provided with two clamping rotating shafts which are in rotating fit with the fixed support, each clamping rotating shaft is provided with a gear and a push rod; the supporting rod is arranged on the fixed support in a sliding mode and is inserted between the two gears, a rack capable of being meshed with the gears is arranged on the supporting rod, and the forward supporting part is arranged at one end of the supporting rod and used for supporting the side part of the edge of the automobile front floor; the two side clamping parts are symmetrically arranged at two ends of the forward abutting part and are elastically hinged with the end part of the forward abutting part through a torsion spring, and the side parts of the side clamping parts are connected with the push rod; the end part of the abutting rod, which is far away from the positive abutting part, is provided with a spring pressing piece.
On the basis of the technical scheme, the invention also provides the following optional technical scheme:
in one alternative: the connecting guide groove is formed in the end face, connected with the push rod, of the side clamping portion, a connecting sliding seat sliding in the connecting guide groove is installed in the connecting guide groove, the end portion of the push rod is hinged to the connecting sliding seat, two connecting protruding columns are arranged at one end portion of the side clamping portion, and the connecting protruding columns are connected with the end portion of the forward supporting portion in a torsional spring elastic rotating mode.
In one alternative: the connecting sliding seat is detachably connected with the end part of the push rod in a mode of inserting the inserting column into the end hole, and the end part of the inserting column is screwed tightly; the back of the positive abutting part is provided with a screw cylinder, the end part of the abutting rod is provided with a screw head, and the screw cylinder is spirally sleeved on the screw head.
In one alternative: the side clamping part is provided with a fitting part on the side face of the end part of the side pressure automobile front floor, and the fitting part is made of rubber materials and is provided with a plurality of convex strips on the end face of the fitting part.
In one alternative: the elastic part comprises an abutting elastic part and an end plate part, the end plate part is arranged on the end part of the abutting rod far away from the forward abutting part, the abutting elastic part is arranged between the end plate part and the fixed support, and two ends of the abutting elastic part are respectively connected with the end plate part and the side face of the fixed support.
In one alternative: the clamp comprises a clamp base and is characterized in that two sliding through grooves located on a straight line are formed in the end face of the clamp base, a clamping driving component comprises a driving rod shaft and two installation sliders, the two installation sliders are correspondingly and slidably arranged inside the sliding through grooves respectively, two end clamping components are arranged on the two installation sliders respectively, the driving rod shaft is rotatably arranged inside the clamp base, one end of the driving rod shaft is provided with a driving end, the driving rod shaft is provided with two spiral sections with opposite spirals, the two spiral sections are provided with spiral sleeves in spiral fit with the spiral sections, and the two spiral sleeves are connected with the two installation sliders respectively.
In one alternative: the central supporting part comprises a central supporting bracket and two supporting rod pieces, the end parts of the two supporting rod pieces are rotatably connected with the top end part of the central supporting bracket, the downward rod wall of each supporting rod piece is connected with the side wall of the central supporting bracket through a supporting spring, and a carrier roller is arranged at the end part, far away from the central supporting bracket, of each supporting rod piece.
Compared with the prior art, the invention has the following beneficial effects:
1. the clamping face is effectively improved, the shape of the end part of the front floor of the automobile is adapted, and the clamping firmness is improved;
2. the clamping rotating shaft and the push rod are arranged, so that a pushing force can be applied to the side clamping part in the moving process of the forward abutting part, the side clamping part is tightly attached to the inclined plane of the end part of the front floor of the automobile, and the clamping strength is further improved;
3. the clamping device is simple in structure, can quickly realize clamping, is suitable for the shape of the clamped end part of the automobile front floor, is firm in clamping, and is high in practicability.
Drawings
Fig. 1 is a schematic view of an overall structure of the welding jig according to an embodiment of the present invention.
FIG. 2 is a schematic view of an end clamp assembly according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of a side clamping part in an embodiment of the invention.
Fig. 4 is a schematic structural diagram of a fixture base in an embodiment of the invention.
Notations for reference numerals: the clamp comprises a clamp base 1, a sliding through groove 11, a central supporting part 2, a central supporting bracket 21, a supporting rod piece 22, a supporting roller 23, a supporting spring 24, an end clamping component 3, a fixing support 31, a forward abutting part 32, a threaded head 321, an abutting rod 33, an abutting elastic piece 331, an end plate piece 332, an installation support body 34, a side clamping part 35, an attaching part 351, a connecting guide groove 352, a connecting slide seat 353, a connecting convex column 354, a clamping rotating shaft 36, a push rod 37, a rack 38, a clamping driving component 4, a driving rod shaft 41, an installation slide seat 42, a driving end 43, a spiral sleeve 44 and a spiral section 45.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments; in the drawings or the description, the same reference numerals are used for similar or identical parts, and the shape, thickness or height of each part may be enlarged or reduced in practical use. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.
In one embodiment, as shown in fig. 1 and 2, an automobile front floor welding jig comprises a jig base 1, a central support part 2 and at least a pair of end clamping components 3, wherein the central support part 2 is arranged on the upper end surface of the jig base 1 and is positioned between the two end clamping components 3, the central support part 2 is used for supporting the bottom center of the automobile front floor, each pair of end clamping components 3 is symmetrically and slidably arranged on the top of the jig base 1 and clamps the side part of the automobile front floor, the welding jig further comprises a clamping driving component 4, the clamping driving component 4 is arranged in the jig base 1 and is used for driving the end clamping components 3 to move towards or away from the central support part 2, the end clamping components 3 comprise a fixed bracket 31, a forward abutting part 32, an abutting rod 33, a mounting bracket body 34 and two side clamping parts 35, the fixed bracket 31 is mounted on the jig base 1 and is connected with the clamping driving component 4, the mounting bracket body 34 is arranged on the fixed bracket 31, two clamping rotating shafts 36 which are in running fit with the mounting bracket body 34 are arranged on the mounting bracket body 34, and each clamping rotating shaft 36 is provided with a gear and a push rod 37; the supporting rod 33 is arranged on the fixed bracket 31 in a sliding manner and is inserted between the two gears, the supporting rod 33 is provided with a rack 38 capable of being meshed with the gears, and the positive supporting part 32 is arranged at one end part of the supporting rod 33 and is used for supporting the side part of the front floor of the automobile; the two side clamping parts 35 are symmetrically arranged at two ends of the forward abutting part 32 and are elastically hinged with the end part of the forward abutting part 32 through a torsion spring, and the side parts of the side clamping parts 35 are connected with the push rod 37; the end of the abutting rod 33 far away from the positive abutting part 32 is provided with a spring pressing piece;
in the implementation process of the embodiment, the front floor of the automobile is placed on the central bearing part 2, the central part of the front floor is supported by the central bearing part 2, and the end parts of the front floor respectively extend to the two end clamping assemblies 3; the two end part clamping components 3 are driven by the clamping driving component 4 to move in opposite directions simultaneously, the end parts of the two side clamping parts 35 start to contact the end part of the front floor of the automobile, the two side clamping parts 35 start to open and are attached to the side surface of the end part of the front floor of the automobile by utilizing the shape of the end part of the front floor of the automobile, along with the movement of the end part clamping components 3, the end part of the front floor of the automobile is abutted against the end surface of the forward abutting part 32 and pushes the forward abutting part 32 to move relative to the fixed support 31, the movement of the forward abutting part 32 enables the abutting rod 33 and the rack 38 to move, when the abutting rod 33 moves, the rack 38 is just meshed with the gear, the movement of the rack 38 enables the clamping rotating shaft 36 to rotate through the meshing with the gear, further, the push rod 37 rotates, the outer end part of the push rod 37 pushes the side clamping parts 35 to rotate towards the front floor of the automobile and tightly presses the end part of the front floor of the automobile, thereby realizing rapid clamping; the clamping can adapt to the shape of the end part of the front floor of the automobile and is stable;
in one embodiment, as shown in fig. 2 and 3, a connecting guide slot 352 is opened on an end surface of the side clamping portion 35 connected to the push rod 37, a connecting slide seat 353 sliding in the connecting guide slot 352 is installed, an end portion of the push rod 37 is hinged to the connecting slide seat 353, one end portion of the side clamping portion 35 has two connecting convex columns 354, and the connecting convex columns 354 are connected to an end portion of the forward abutting portion 32 in a manner of elastic rotation of a torsion spring; in the present embodiment, the rotation of the side clamping portion 35 causes the end of the push rod 37 to move relative to the end face of the side clamping portion 35, and the sliding of the connecting slide 353 in the connecting guide groove 352 can prevent the interference phenomenon from occurring when the push rod 37 moves relative to the end face of the side clamping portion 35;
in one embodiment, as shown in fig. 2 and 3, the connection slide 353 is detachably connected with the end of the push rod 37 by inserting a plug into the end hole, and the end of the plug is screwed; the back of the positive abutting part 32 is provided with a screw cylinder, the end part of the abutting rod 33 is provided with a screw head 321, and the screw cylinder is spirally sleeved on the screw head 321; in the present embodiment, the forward abutting portion 32 and the side clamping portion 35 can be removed and replaced with an abutting member adapted to the shape of the end portion of the front floor of the automobile by the removable connection of the forward abutting portion 32 and the screw cylinder and the screw head 321 at the end portion of the abutting rod 33 and the removable connection between the push rod 37 and the connecting slide 353.
In one embodiment, as shown in fig. 3, an attaching portion 351 is provided on a side surface of the side clamping portion 35 that presses the end portion of the front floor of the automobile, the attaching portion 351 is provided by using a rubber material, and an end surface of the attaching portion 351 has a plurality of convex strips; in this embodiment, since the attaching portion 351 has elasticity and can press the front floor end of the vehicle and increase the friction force by the convex strip, the clamping strength can be improved.
In one embodiment, as shown in fig. 2, the elastic member includes an abutting elastic member 331 and an end plate member 332, the end plate member 332 is disposed on an end portion of the abutting rod 33 far from the forward abutting portion 32, the abutting elastic member 331 is disposed between the end plate member 332 and the fixed bracket 31, and two ends of the abutting elastic member 331 are respectively connected to the end plate member 332 and the side surface of the fixed bracket 31; when the end clamping component 3 moves, the forward abutting part 32 is abutted by the end of the automobile front floor to move, so that the abutting elastic part 331 is stretched, and the abutting elastic part 331 extends to have compressed elastic force, so that the forward abutting part 32 can abut against the end of the automobile front floor to horizontally clamp the end of the automobile front floor;
in one embodiment, as shown in fig. 1 and 4, two sliding through grooves 11 located on a straight line are formed on an end surface of the fixture base 1, the clamping driving member 4 includes a driving rod shaft 41 and two mounting sliders 42, the two mounting sliders 42 are respectively and correspondingly slidably disposed inside the sliding through grooves 11, the two end clamping assemblies 3 are respectively mounted on the two mounting sliders 42, the driving rod shaft 41 is rotatably disposed inside the fixture base 1, one end of the driving rod shaft 41 has a driving end 43, the driving rod shaft 41 is provided with two helical sections 45 with opposite helices, each helical section 45 is provided with a helical sleeve 44 in helical fit with the helical section, and the two helical sleeves 44 are respectively connected with the two mounting sliders 42; in this embodiment, the driving end 43 may be a motor or a rotating hand wheel; the driving shaft 41 can be driven to rotate by the driving end 43, and by utilizing the spiral matching of the spiral section 45 and the spiral sleeve 44, the rotation of the driving shaft 41 can drive the two spiral sleeves 44 to move towards or away from each other, so as to drive the two mounting sliders 42 and the end clamping assemblies 3 thereon to move towards or away from each other; the rapid clamping and loosening are realized;
in one embodiment, as shown in fig. 1, the central supporting portion 2 includes a central supporting bracket 21 and two supporting rods 22, the ends of the two supporting rods 22 are rotatably connected with the top end portion of the central supporting bracket 21, the downward rod wall of the supporting rods 22 is connected with the side wall of the central supporting bracket 21 through supporting springs 24, and the end of each supporting rod 22 away from the central supporting bracket 21 is provided with a supporting roller 23; in the embodiment, the automobile front plate is arranged on the central support bracket 21, and the support rod piece 22 is jacked upwards under the action of the elastic force of the support spring 24 so that the support roller 23 contacts the bottom of the automobile front plate, and further the automobile front plate is in rolling contact with the support roller 23 when being pressed to move, so that scratches cannot be generated to influence the surface quality of the automobile front plate;
the embodiment discloses an automobile front floor welding fixture, wherein the two end clamping assemblies 3 are driven by the clamping driving member 4 to move in opposite directions simultaneously, so that the end parts of the two side clamping portions 35 start to contact with the end part of the automobile front floor, the two side clamping portions 35 start to open and attach to the side surface of the end part of the automobile front floor by utilizing the shape of the end part of the automobile front floor, along with the movement of the end clamping assembly 3, the end part of the automobile front floor abuts against the end surface of the forward abutting portion 32 and pushes the forward abutting portion 32 to move relative to the fixed bracket 31, the movement of the forward abutting portion 32 enables the abutting rod 33 and the rack 38 to move, the rack 38 is just meshed with the gear when the abutting rod 33 moves, the movement of the rack 38 enables the clamping rotating shaft 36 to rotate through the meshing with the gear, the push rod 37 rotates, the outer end part of the push rod 37 pushes the side clamping portions 35 to rotate towards the automobile front floor and press the end part of the automobile front floor, thereby realizing rapid clamping; the clamping can adapt to the shape of the end part of the automobile front floor and is stable.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims (7)

1. The automobile front floor welding fixture is characterized by comprising a fixture base, a central supporting part and at least one pair of end part clamping components, wherein the central supporting part is arranged on the upper end face of the fixture base and is positioned between the two end part clamping components;
the clamping driving component is arranged in the clamp base and is used for driving the end part clamping assembly to move towards or away from the central bearing part;
the end clamping assembly comprises a fixed support, a forward abutting part, an abutting rod, an installation support body and two side clamping parts;
the fixture comprises a fixture base, a fixing support, a mounting support body, a gear and a push rod, wherein the fixing support is mounted on the fixture base and connected with a clamping driving component;
the supporting rod is arranged on the fixed support in a sliding mode and is inserted between the two gears, a rack capable of being meshed with the gears is arranged on the supporting rod, and the forward supporting part is arranged at one end of the supporting rod and used for supporting the side part of the edge of the automobile front floor;
the two side clamping parts are symmetrically arranged at two ends of the forward abutting part and are elastically hinged with the end part of the forward abutting part through a torsion spring, and the side parts of the side clamping parts are connected with the push rod; the end part of the abutting rod, which is far away from the positive abutting part, is provided with a spring pressing piece.
2. The automobile front floor welding fixture of claim 1, characterized in that a connecting guide groove is formed on an end surface of the side clamping part connected with the push rod;
a connecting sliding seat sliding in the connecting guide groove is arranged in the connecting guide groove, and the end part of the push rod is hinged on the connecting sliding seat;
one end part of the side clamping part is provided with two connecting convex columns, and the connecting convex columns are connected with the end part of the positive abutting part in a torsional spring elastic rotation mode.
3. The automobile front floor welding fixture as claimed in claim 2, wherein the connecting slide is detachably connected with the end of the push rod by inserting the inserting column into the end hole, and the end of the inserting column is screwed;
the back of the positive abutting part is provided with a screw cylinder, the end part of the abutting rod is provided with a screw head, and the screw cylinder is spirally sleeved on the screw head.
4. The automobile front floor welding jig of claim 3, characterized in that the side face of the end part of the side clamping part which is pressed against the automobile front floor is provided with an attaching part which is made of rubber material and the end face of the attaching part is provided with a plurality of convex strips.
5. The automobile front floor welding jig of claim 1, wherein the spring member comprises an abutting spring member and an end plate member;
the end plate is arranged on the end part of the abutting rod far away from the positive abutting part;
the abutting elastic piece is arranged between the end plate piece and the fixed support, and two ends of the abutting elastic piece are respectively connected with the end plate piece and the side face of the fixed support.
6. The automobile front floor welding fixture according to claim 1, wherein two sliding through grooves located on a straight line are formed in the end face of the fixture base;
the clamping driving member comprises a driving rod shaft and two mounting sliders;
the two mounting sliding seats are respectively and correspondingly arranged in the sliding through groove in a sliding mode, and the two end clamping assemblies are respectively arranged on the two mounting sliding seats;
the driving rod shaft is rotatably arranged in the clamp base, one end of the driving rod shaft is provided with a driving end, and two spiral sections with opposite spirals are arranged on the driving rod shaft;
the two spiral sections are provided with spiral sleeves which are in spiral fit with the spiral sections, and the two spiral sleeves are respectively connected with the two installation sliding seats.
7. The automotive front floor welding jig of claim 1, wherein the center support portion includes a center support bracket and two bracket members;
the end parts of the two support rod pieces are rotatably connected with the top end part of the central support bracket, and the downward rod wall of each support rod piece is connected with the side wall of the central support bracket through a support spring;
the end part of each supporting rod piece, which is far away from the central supporting bracket, is provided with a supporting roller.
CN202210106455.6A 2022-01-28 2022-01-28 Automobile front floor welding fixture Withdrawn CN114310118A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210106455.6A CN114310118A (en) 2022-01-28 2022-01-28 Automobile front floor welding fixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210106455.6A CN114310118A (en) 2022-01-28 2022-01-28 Automobile front floor welding fixture

Publications (1)

Publication Number Publication Date
CN114310118A true CN114310118A (en) 2022-04-12

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ID=81031456

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210106455.6A Withdrawn CN114310118A (en) 2022-01-28 2022-01-28 Automobile front floor welding fixture

Country Status (1)

Country Link
CN (1) CN114310118A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114571158A (en) * 2022-05-07 2022-06-03 深圳市镓鑫实业有限公司 Welding set is used in power cord production

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114571158A (en) * 2022-05-07 2022-06-03 深圳市镓鑫实业有限公司 Welding set is used in power cord production
CN114571158B (en) * 2022-05-07 2022-07-08 深圳市镓鑫实业有限公司 Welding set is used in power cord production

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Application publication date: 20220412

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