CN208132320U - A kind of welding fixture pneumatic tipping device - Google Patents

Abstract

The utility model discloses a kind of welding fixture pneumatic tipping devices, are related to field of automobile comprising welding base and fixture mounting base further include cylinder, bearing block, guide holder and attachment base；The bottom of welding base is arranged in cylinder；The top of welding base is arranged in bearing block, and shaft is provided in bearing block, and one end of the shaft is connect with fixture mounting base, and the other end of shaft is connected with gear；Guide holder is vertically arranged in the top of welding base, and sliding is provided with the rack gear being meshed with gear in the guide holder, and the lower end of rack gear and the piston rod of cylinder connect；Attachment base is connected with fixture mounting base, and the top surface of attachment base and bottom surface are both provided with limited block.The utility model structural stability is good, saves manpower, high-efficient.

Description

A kind of welding fixture pneumatic tipping device

Technical field

The utility model relates to field of automobile, are specifically a kind of welding fixture pneumatic tipping devices.

Background technique

It needs to overturn and can weld there are many position solder joint during automobile body welding, it, can to save manpower, improving efficiency Fixture overturning is carried out using pneumatic tipping device.

Utility model content

In view of the deficiencies in the prior art, the purpose of this utility model is to provide a kind of welding fixtures with pneumatically turning over Rotary device, structural stability is good, saves manpower, high-efficient.

To achieve the above objectives, the technical scheme adopted by the utility model is that：A kind of welding fixture pneumatic tipping device, It further include cylinder, bearing block, guide holder and attachment base including welding base and fixture mounting base；The cylinder is arranged in welding base Bottom；The top of welding base is arranged in the bearing block, and shaft is provided in bearing block, and one end of the shaft and fixture are pacified Seat connection is filled, the other end of shaft is connected with gear；The guide holder is vertically arranged in the top of welding base, sliding in the guide holder Dynamic to be provided with the rack gear being meshed with the gear, the lower end of the rack gear and the piston rod of cylinder connect；The attachment base with Fixture mounting base is connected, and the top surface of attachment base and bottom surface are both provided with limited block.

Further improvement lies in that：The top and bottom end of the guide holder are both provided with dustproof cover.

Further improvement lies in that：The top and bottom end of the guide holder are both provided with linear bearing, and the rack gear is mounted on In two linear bearings.

Further improvement lies in that：The end of the cylinder piston rod is provided with cylinder connector, the rack gear by pin shaft with The cylinder connector is hinged.

Further improvement lies in that：The shaft is connected by key with gear, and the two sides of key are respectively arranged with the first spacer With the second spacer.

Further improvement lies in that：The bearing block includes two end cap, and the opposite side of two end cap is both provided with deep-groove ball axis It holds, and is provided with third spacer between two deep groove ball bearings.

Further improvement lies in that：Further include two limiting devices that fixture mounting base two sides are set, limiting device include with The limit clamp that attachment base matches and the fixture cylinder for driving limit clamp to open and close.

The beneficial effects of the utility model are：

Transform linear motion is rotation in such a way that gear, rack gear combine by the pneumatic tipping device of the utility model Transhipment is dynamic.It is applicable to flip angle to fix, is not required to the fixture of Multi-angle turnover.This device install when need to adjust gear with The gap of rack gear, this structural stability is good, saves manpower, high-efficient.

Detailed description of the invention

Fig. 1 is the perspective view of pneumatic tipping device in the utility model embodiment；

Fig. 2 is the perspective view at another visual angle of pneumatic tipping device in the utility model embodiment；

Fig. 3 is the structural schematic diagram in the utility model embodiment inside pneumatic tipping device bearing block；

Fig. 4 is the working state schematic representation of pneumatic tipping device in the utility model embodiment.

Appended drawing reference：

1- dustproof cover；2- guide holder；3- gear；4- shaft；5- welding base；6- rack gear；7- pin shaft；8- cylinder connector；9- Cylinder；10- limited block；11- attachment base；12- bearing block；13- linear bearing；The first spacer of 14-；15- key；The second spacer of 16-； 17- end cap；18- deep groove ball bearing；19- third spacer；20- fixture mounting base；21- limiting device；22- fixture cylinder；23- limit Fixture.

Specific embodiment

The embodiments of the present invention are described below in detail, the embodiment described example is shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.

In the description of the present invention, it should be noted that for the noun of locality, if any term " center ", " laterally (X) ", " longitudinal (Y) ", " vertical (Z) ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", The indicating positions such as "vertical", "horizontal", "top", "bottom", "inner", "outside", " clockwise ", " counterclockwise " and positional relationship be based on Orientation or positional relationship shown in the drawings is merely for convenience of narration the utility model and simplifies description, rather than instruction or dark Showing signified device or element must have a particular orientation, be constructed and operated with particular orientation, should not be understood as limiting this reality With novel specific protection scope.

In addition, being used for description purposes only if any term " first ", " second ", it is not understood to indicate or imply relatively heavy The property wanted or the quantity for implicitly indicating technical characteristic." first " is defined as a result, " second " feature can be expressed or implicit include One or more this feature, in the utility model description, " several ", " several " are meant that two or more, remove It is non-separately to have clearly specific restriction.

Made below with reference to the attached drawing of specification by being further described to specific embodiment of the present utility model The technical solution of the utility model and its benefits are clearer.Describing embodiment below with reference to attached drawing is to show Example property, it is intended to explain the utility model, and should not be understood as limiting the present invention.

Referring to figure 1 and figure 2, the utility model embodiment provides a kind of welding fixture pneumatic tipping device, including Welding base 5 and fixture mounting base 20 further include cylinder 9, bearing block 12, guide holder 2 and attachment base 11；

The bottom of welding base 5 is arranged in cylinder 9；Specifically, the end of 9 piston rod of cylinder is provided with cylinder connector 8, rack gear 6 is hinged by pin shaft 7 and the cylinder connector 8.

The top of welding base 5 is arranged in bearing block 12, and shaft 4 is provided in bearing block 12, one end of the shaft 4 and folder Have mounting base 20 to connect, the other end of shaft 4 is connected with gear 3；

Guide holder 2 is vertically arranged in the top of welding base 5, and sliding is provided with the tooth being meshed with gear 3 in the guide holder 2 The lower end of item 6, rack gear 6 is connect with the piston rod of cylinder 9；Specifically, the top and bottom end of guide holder 2 are both provided with dustproof cover 1. In the present embodiment, the top and bottom end of guide holder 2 are both provided with linear bearing 13, and rack gear 6 is mounted in two linear bearings 13.

Attachment base 11 is connected with fixture mounting base 20, and the top surface of attachment base 11 and bottom surface are both provided with limited block 10.

Referring to shown in Fig. 1 and Fig. 3, shaft 4 is connect with gear 3 by key 15, and the two sides of key 15 are respectively arranged with first Spacer 14 and the second spacer 16.Specifically, bearing block 12 includes two end cap 17, and the opposite side of two end cap 17 is both provided with zanjon Ball bearing 18, and third spacer 19 is provided between two deep groove ball bearings 18.

Shown in Figure 4, which further includes two limiting devices 21 that 20 two sides of fixture mounting base are arranged in, Limiting device 21 includes the limit clamp 23 matched with attachment base 11 and the fixture cylinder for driving limit clamp 23 to open and close 22。

The working principle of the utility model is：

For cylinder in retracted mode hour rack in extreme lower position, fixture is in original level state.It is shown in Figure 4, at this time Corresponding limiting device compresses limited block.When cylinder piston rod will stretch out, the fixture cylinder piston rod of limiting device, which retracts, to be driven Dynamic limit clamp is opened.At this point, cylinder piston rod can continue to stretch out, rack gear moves in a straight line upwards with piston rod, due to tooth Wheel and rack engagement, the rotation of rack drives gear, gear are rotated together with shaft and fixture mounting base in turn.Limited block with The rotation of fixture mounting base rotates together (the present embodiment overturns 180 °), the fixture after rotateing in place, above another limiting device Cylinder piston rod retracts driving limit clamp and limited block is compressed, and 180 ° of overturnings of fixture can be realized.

When fixture wants 180 ° of reverse flip, the fixture cylinder piston rod above another limiting device retracts driving limit clamp It opens.Cylinder piston rod is toward when bouncing back, and rack gear moves in a straight line downwards with piston rod, and gear is reversed with fixture and limited block Rotation, after rotateing in place, the fixture cylinder piston rod above corresponding limiting device retracts driving limit clamp and limited block is compressed, i.e., 180 ° of reverse flips of fixture can be achieved.

In the description of specification, reference term " one embodiment ", " preferably ", " example ", " specific example " or " one The description of a little examples " etc. means particular features, structures, materials, or characteristics described in conjunction with this embodiment or example, is contained in In at least one embodiment or example of the utility model, in the present specification not necessarily for the schematic representation of above-mentioned term Refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any one It is combined in a suitable manner in a or multiple embodiments or example.

From the foregoing description of structures and principles it should be understood by those skilled in the art that, the utility model It is not limited to above-mentioned specific embodiment, it is equal using the improvement of techniques well known and substitution on the basis of the utility model The protection scope of the utility model is fallen in, should be limited by each claim.

Claims (7)

1. a kind of welding fixture pneumatic tipping device, including welding base (5) and fixture mounting base (20), it is characterised in that：Also Including cylinder (9), bearing block (12), guide holder (2) and attachment base (11)；

Bottom of cylinder (9) setting in welding base (5)；

Bearing block (12) setting is provided with shaft (4) at the top of welding base (5), and in bearing block (12), the shaft (4) One end connect with fixture mounting base (20), the other end of shaft (4) is connected with gear (3)；

The guide holder (2) is vertically arranged in the top of welding base (5), and sliding is provided with and the gear in the guide holder (2) (3) lower end of the rack gear (6) being meshed, the rack gear (6) is connect with the piston rod of cylinder (9)；

The attachment base (11) is connected with fixture mounting base (20), and the top surface of attachment base (11) and bottom surface are both provided with limited block (10)。

2. welding fixture pneumatic tipping device according to claim 1, it is characterised in that：The top of the guide holder (2) End and bottom end are both provided with dustproof cover (1).

3. welding fixture pneumatic tipping device according to claim 1, it is characterised in that：The top of the guide holder (2) End and bottom end are both provided with linear bearing (13), and the rack gear (6) is mounted in two linear bearings (13).

4. welding fixture pneumatic tipping device according to claim 1, it is characterised in that：Cylinder (9) piston rod End be provided with cylinder connector (8), the rack gear (6) is hinged by pin shaft (7) and the cylinder connector (8).

5. welding fixture pneumatic tipping device according to claim 1, it is characterised in that：The shaft (4) and gear (3) it is connected by key (15), and the two sides of key (15) are respectively arranged with the first spacer (14) and the second spacer (16).

6. welding fixture pneumatic tipping device according to claim 1, it is characterised in that：The bearing block (12) includes Two end cap (17), and the opposite side of two end cap (17) is both provided with deep groove ball bearing (18), and between two deep groove ball bearings (18) It is provided with third spacer (19).

7. welding fixture pneumatic tipping device according to claim 1, it is characterised in that：It further include that setting is pacified in fixture Two limiting devices (21) of seat (20) two sides are filled, limiting device (21) includes the limit clamp (23) matched with attachment base (11) And the fixture cylinder (22) for driving limit clamp (23) to open and close.