CN206029137U

CN206029137U - Car welds location hold -down mechanism of clamping utensil usefulness

Info

Publication number: CN206029137U
Application number: CN201621039490.7U
Authority: CN
Inventors: 吴林为; 吴周龙
Original assignee: Wuhan Jiezhong Auto Parts Co Ltd
Current assignee: Huayu Automotive Body Components Technology Shanghai Co Ltd
Priority date: 2016-09-06
Filing date: 2016-09-06
Publication date: 2017-03-22
Anticipated expiration: 2026-09-06

Abstract

The utility model relates to a car welds location hold -down mechanism of clamping utensil usefulness, including cylinder, extension board, compacting arm, location axle, connecting plate and support, the cylinder articulates connecting plate left side middle part, the cylinder top with compacting arm one end links to each other, compacting arm keeps away from the fixed compact heap that is equipped with in one end below of cylinder, compacting arm with the connecting plate passes through extension board swing joint, the outside projection in connecting plate right side upper end forms the support, it is right just the compact heap be equipped with the screw hole on the support, the location axle sets up the threaded hole of support, location axle with the support passes through screw thread swing joint, location crown of roll end is equipped with the setting element, the setting element is the arcwall face, the setting element with the compact heap is just right. The beneficial effects of the utility model are that: can, realize by a car expecting compressing tightly of thick part to the difference, simple structure, convenient operation and reliable and stable on welding the clamping utensil.

Description

A kind of positioning compression mechanism of automobile welding and assembling clamp

Technical field

The utility model is related to weld car field, more particularly to a kind of positioning compression mechanism of automobile welding and assembling clamp.

Background technology

In automobile welding and assembling clamp, often there is the situation of secondary piece installing in Jing, but, same briquetting to different material thickness zero Part is compressed can have thick poor, the situation for causing part compress of material.

At present, the mode for solving the above problems mainly has two kinds：Increase hold-down mechanism or form of springs pressure head；The former manufactures It is relatively costly；The latter is consumable accessory, needs Jing often to change, simultaneously clamps on power little.

Utility model content

Technical problem to be solved in the utility model is to provide a kind of positioning compression mechanism of automobile welding and assembling clamp, can The compression of the part thick to different material is realized on an automobile welding and assembling clamp, and simple structure is easy to operate and reliable and stable.

The technical scheme that the utility model solves above-mentioned technical problem is as follows：A kind of positioning compression of automobile welding and assembling clamp Mechanism, including cylinder, support plate, clamping arm, locating shaft, connecting plate and bearing；During the cylinder is hinged on the left of the connecting plate Portion；The cylinder top is connected with described clamping arm one end；The clamping arm is fixed with below the one end away from the cylinder Compact heap；The clamping arm is flexibly connected by the support plate with the connecting plate；The outside projection in upper end on the right side of the connecting plate Form the bearing；Screwed hole is provided with the bearing just to the compact heap；The locating shaft is arranged on the bearing Screwed hole in；The locating shaft is flexibly connected by screw thread with the bearing；The locating shaft top is provided with keeper；It is described Keeper is arcwall face；The keeper is just right with the compact heap.

The beneficial effects of the utility model are：The compression to part and positioning is realized respectively using compact heap and locating shaft, Simple structure；Cylinder is connected with clamping arm as driver element, can drive clamping arm；The locating shaft passes through spiral shell with the bearing Line is flexibly connected, and can adjust the distance between locating shaft and compact heap according to the thickness of part, so as to realize to different-thickness The compression and positioning of part, without other hold-down mechanism or the cylinder of the big stroke of replacing, saves manpower and materials.

On the basis of above-mentioned technical proposal, the utility model can also do following improvement.

Further：The middle part of locating shaft is provided with the thread segment with the corresponding threaded holes conjunction of the bearing；In the bearing Two surfaces up and down the locating shaft on be arranged with nut；Pad is provided between the nut and the bearing；The pad Piece is set on the locating shaft.

The beneficial effect of above-mentioned further scheme is：Nut is used for stationary positioned axle so as to reliable and stable；Pad can in case Only because nut rotation and compression and damage abutment surface；Can also be to locating shaft and compression furthermore with the pad of different-thickness The distance between block is finely adjusted.

Further：Thickness of the length of the thread segment more than the bearing.

The beneficial effect of above-mentioned further scheme is：Be easy to according to the part of different-thickness adjust locating shaft and compact heap it Between distance, without in addition replacing.

Further：Cavity is provided with the connecting plate below the bearing.

The beneficial effect of above-mentioned further scheme is：It is easy to operative's locating shaft.

Further：The support plate is provided with first axle pin with the junction of the clamping arm；The support plate and the connection The junction of plate is provided with second hinge pin.

Further：The cylinder is provided with the contiguous block of the fixation cylinder with the junction of the connecting plate.

Further：The support plate is H-LINK structures.

The beneficial effect of above-mentioned further scheme is：Contiguous block is used for fixing cylinder, prevents the piston rod in cylinder upper and lower Cylinder oscillation during displacement；Relative to a common rotating fulcrum structure, using same cylinder, tied using H-LINK Structure and two joint pins can make clamping arm rotational angle bigger, can save the cost for changing big stroke cylinder；Additionally by setting The distance of meter change first axle pin and second hinge pin can constrain the rotational angle of clamping arm..

Description of the drawings

Fig. 1 is structural representation of the present utility model；

Structural representations of the Fig. 2 for amplification at the A of Fig. 1.

In accompanying drawing, the component names representated by each label are as follows：

1st, cylinder, 2, contiguous block, 3, support plate, 31, first axle pin, 32, second hinge pin, 4, clamping arm, 5, compact heap, 6th, locating shaft, 61, thread segment, 62, keeper, 7, connecting plate, 71, bearing, 8, nut, 9, pad.

Specific embodiment

Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality It is new, it is not intended to limit scope of the present utility model.

As illustrated in fig. 1 and 2, the positioning compression mechanism of a kind of automobile welding and assembling clamp, which includes cylinder 1, support plate 3, compresses Arm 4, locating shaft 6, connecting plate 7 and bearing 71；The cylinder 1 is hinged on 7 left side central portion of the connecting plate；1 top of the cylinder It is connected with 4 one end of the clamping arm；The clamping arm 4 is fixed with compact heap 5 below the one end away from the cylinder 1；It is described Clamping arm 4 is flexibly connected by the support plate 3 with the connecting plate 7；The outside projection in 7 right side upper end of the connecting plate forms described Bearing 71；Screwed hole is provided with the bearing 71 just to the compact heap 5；The locating shaft 6 is arranged on the bearing 71 Screwed hole in；The locating shaft 6 is flexibly connected by screw thread with the bearing 71；6 top of the locating shaft is provided with keeper 62；The keeper 62 is arcwall face；The keeper 62 is just right with the compact heap 5.

The thread segment 61 with the corresponding threaded holes conjunction of the bearing 71 is provided with the middle part of the locating shaft 6；In the bearing 71 Two surfaces up and down the locating shaft 6 on be arranged with nut 8；Pad 9 is provided between the nut 8 and the bearing 71； The pad 9 is set on the locating shaft 6.

Thickness of the length of the thread segment 61 more than the bearing 71；The connecting plate 7 below the bearing 71 It is provided with cavity；The support plate 3 is provided with first axle pin 31 with the junction of the clamping arm 4；The support plate 3 and the connection The junction of plate 7 is provided with second hinge pin 32；The support plate 3 is H-LINK structures；The company of the cylinder 1 and the connecting plate 7 The place of connecing is provided with the contiguous block 2 of the fixed cylinder 1.

Specific implementation process：The distance between locating shaft 6 and compact heap 5, tightening nut 8 are adjusted according to part thickness；Gas Cylinder 1 makes support plate 3 rotate around first axle pin 31 with clamping arm 4 to bottom offset, when first axle pin 31 turns to dead point position When putting, as 1 stroke of cylinder is not also covered, cylinder 1 can drive second hinge pin 32 to rotate, so that clamping arm 4 is turned to and set Determine angle；After being put into part, cylinder 1 is shifted up, and support plate 3 is rotated around second hinge pin 32 with clamping arm 4, is worked as second hinge When pin 32 turns to a dead-centre position, as 1 stroke of cylinder is not also covered, cylinder 1 can drive first axle pin 31 to rotate, from And make 4 compressing component of clamping arm；9 thickness of adjust pad makes part preferably compress and position finely tuning the compression degree of part.

Preferred embodiment of the present utility model is the foregoing is only, it is not to limit the utility model, all in this practicality Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model Within the scope of shield.

Claims

1. the positioning compression mechanism of a kind of automobile welding and assembling clamp, it is characterised in that：Including cylinder (1), support plate (3), clamping arm (4), locating shaft (6), connecting plate (7) and bearing (71)；Cylinder (1) is hinged on the connecting plate (7) left side central portion；It is described Cylinder (1) top is connected with the clamping arm (4) one end；Clamping arm (4) are away from fixed below one end of the cylinder (1) It is provided with compact heap (5)；Clamping arm (4) are flexibly connected by the support plate (3) with the connecting plate (7)；The connecting plate (7) on the right side of, the outside projection in upper end forms the bearing (71)；Spiral shell is provided with the bearing (71) just to the compact heap (5) Pit；Locating shaft (6) are arranged in the screwed hole of the bearing (71)；Locating shaft (6) are logical with the bearing (71) Cross screw thread flexible connection；Locating shaft (6) top is provided with keeper (62)；Described keeper (62) are arcwall face；It is described fixed Position part (62) is just right with the compact heap (5).

2. the positioning compression mechanism of a kind of automobile welding and assembling clamp according to claim 1, it is characterised in that：The locating shaft (6) thread segment (61) with the corresponding threaded holes conjunction of the bearing (71) is provided with the middle part of；In two table up and down of the bearing (71) Nut (8) is arranged with the locating shaft (6) in face；Pad (9) is provided between nut (8) and the bearing (71)； Pad (9) are set on the locating shaft (6).

3. the positioning compression mechanism of a kind of automobile welding and assembling clamp according to claim 2, it is characterised in that：The thread segment (61) thickness of the length more than the bearing (71).

4. the positioning compression mechanism of a kind of automobile welding and assembling clamp according to claim 2, it is characterised in that：In the bearing (71) connecting plate (7) below is provided with cavity.

5. the positioning compression mechanism of a kind of automobile welding and assembling clamp according to claim 1, it is characterised in that：The support plate (3) first axle pin (31) is provided with the junction of the clamping arm (4)；The connection of support plate (3) and the connecting plate (7) Place is provided with second hinge pin (32).

6. the positioning compression mechanism of a kind of automobile welding and assembling clamp according to claim 1, it is characterised in that：The cylinder (1) contiguous block (2) of fixed cylinder (1) is provided with the junction of the connecting plate (7).

7. the positioning compression mechanism according to a kind of arbitrary automobile welding and assembling clamp of claim 1 to 6, it is characterised in that：Institute Support plate (3) is stated for H-LINK structures.