CN203045240U

CN203045240U - Pneumatic rotating working platform

Info

Publication number: CN203045240U
Application number: CN 201220737174
Authority: CN
Inventors: 于立强; 张江波
Original assignee: YANTAI YUXIN TECHNOLOGY Co Ltd
Current assignee: YANTAI YUXIN TECHNOLOGY Co Ltd
Priority date: 2012-12-28
Filing date: 2012-12-28
Publication date: 2013-07-10
Anticipated expiration: 2022-12-28

Abstract

The utility model provides a pneumatic rotating working platform which comprises a stationary working table. The stationary working table is provided with an air cylinder and guide frames. A piston rod of the air cylinder is connected with one end of a connecting rod, and a rack is arranged at the other end of the connecting rod and is matched with the guide frames. A through hole is formed in the middle of the stationary working table, and a rotating shaft penetrates through the through hole and is arranged on the stationary working table through a fixing device. A rotating working platform is fixedly arranged on the top face of the rotating shaft. A gear is arranged on the lower portion of the rotating working platform and is fixed on the rotating shaft, and the gear meshes with the rack. Connecting supports are arranged the stationary working table, and each connecting support is provided with a limiting block and a buffer. The pneumatic rotating working platform has the advantages that the air cylinder drives the rotating working platform to rotate by a certain angle through the rack and the gear, the rotating angle is accurate, welding accuracy is improved, the buffers are arranged on the stationary working table to reduce impact force in a rotating process, and stability and safety of the rotating working platform are improved.

Description

A kind of pneumatic rotary working platform

Technical field

The utility model relates to the equipment on a kind of automotive welding production line, is specifically related to a kind of rotatable automobile welding bench.

Background technology

In the automobile production process, often need weld each assembly of automobile, in welding process, need the motor vehicle assembly of required welding be gripped, generally adopt at present the fixing motor vehicle assembly that needs welding of fixed welding bench, this fixed welding bench is the fixed car assembly effectively, situation about can generation component not tilting, and then raising welding efficiency and welding precision, but be rotated the motor vehicle assembly of welding for needs, this fixed welding bench can not satisfy this welding requirements, the workman that need be welded moves to welding gun and needs weld manually to weld, this mode makes welding precision descend, increase weld interval, and whole work efficiency reduces.

The utility model content

The purpose of this utility model is to provide a kind of pneumatic rotary working platform, makes it can overcome the deficiencies in the prior art, and it can rotate the motor vehicle assembly of required rotating welding to proper angle, thereby improves welding precision and welding efficiency.

The technical scheme that its technical problem that solves the utility model adopts is: a kind of pneumatic rotary working platform, comprise static workbench, cylinder and leading truck are installed on the static workbench, the piston rod of cylinder is connected with an end of connecting rod, the other end of connecting rod is installed tooth bar, tooth bar cooperates with leading truck, offer through hole in the middle of the static workbench, pass rotating shaft in the through hole, rotating shaft is installed on the static workbench by fixture, rotating shaft end face fixed installation rotary table, the rotary table below arranges gear, and gear is fixed in the rotating shaft, the wheel and rack engagement, install on the static workbench and connect support, installation limited block and buffer on the connection support.

The utility model for the technical scheme that further its technical problem of solution adopts is: at least three fixed mounts are installed on the described static workbench, and fixed mount ring-type centered by through hole is evenly distributed, and needle roller cam guider all is installed on each fixed mount; On the described static workbench bracing frame is installed, cylinder is installed on the static workbench by bracing frame; Described fixture has first sleeve and second sleeve, second sleeve upper end is fixedly mounted on the static workbench, through hole is passed in the second sleeve lower end, second sleeve is passed in rotating shaft, install following two angular contact ball bearings between second sleeve and the rotating shaft, first sleeve is fixed on up and down between two angular contact ball bearings; The described second sleeve end face installed thrust ball bearing, the thrust ball bearing upper surface touches mutually with gear; Bearing (ball) cover is installed in the described second sleeve lower surface, and bearing (ball) cover is positioned at the rotating shaft below; On the described leading truck baffle plate is installed; On the described connection support pad is installed, limited block is installed in by pad and connects on the support; Rotation distribution head is set on the described rotary table, and the perforate of rotary work countertop arranges tracheae in the rotating shaft, and the hole that tracheae passes the rotary work countertop is connected with rotation distribution head.

The beneficial effects of the utility model are: it uses cylinder to drive rotary table by the rack and pinion transmission and rotates to an angle, thereby driving the assembly that is fixed on the rotary table rotates to suitable welding position, its anglec of rotation is accurate, improved welding precision, it has also significantly reduced the workman's that is welded weld interval, has improved welding efficiency; It arranges the impulsive force that buffer is used for reducing motor vehicle assembly in the rotary course at static workbench, increases job stability and the security of rotary table; The further beneficial effect of the utility model is: it arranges fixed mount and needle roller cam guider at workbench, does not also hinder the rotation of required weld assembly when supporting required weld assembly, prevents from tilting when required weld assembly from rotating.

Description of drawings

Fig. 1 is the utility model structural representation; Fig. 2 is the A-A line sectional structure schematic diagram along Fig. 1; Fig. 3 is the utility model stereogram.

Reference numeral: 1 rotating shaft, 2 bottom end covers, 3 fixed mounts, 4 first sleeves, 5 second sleeves, 6 tooth bars, 7 leading trucks, 8 bracing frames, 9 connecting rods, 10 angular contact ball bearings, 11 through holes, 12 baffle plates 13 connect support 14 thrust ball bearings 15 buffers 16 pads 17 limited blocks 18 static workbench 19 cylinders 20 rotation distribution 21 needle roller cam guiders, 22 rotary tables, 23 gears, 24 tracheae.

The specific embodiment

A kind of pneumatic rotary working platform described in the utility model comprises static workbench 18, as shown in Figure 1, cylinder 19 and leading truck 7 are installed on the static workbench 18, the piston rod of cylinder 19 is connected with an end of connecting rod 9, the other end of connecting rod 9 is installed tooth bar 6, tooth bar 6 cooperates with leading truck 7, offer through hole 11 in the middle of the static workbench 18, pass rotating shaft 1 in the through hole 11, rotating shaft 1 is installed on the static workbench 18 by fixture, rotating shaft 1 end face fixed installation rotary table 22, rotary table 22 belows arrange gear 23, and gear 23 is fixed in the rotating shaft 1, gear 23 and tooth bar 6 engagements, install on the static workbench 18 and connect support 13, installation limited block 17 and buffer 15 on the connection support 13.Leading truck 7 plays tooth bar 6 is supported and the effect of guiding, prevents tooth bar 6 skews or comes off; Using cylinder 19 to drive rotary table 22 by tooth bar 6 and gear 23 transmissions rotates to an angle, thereby driving the assembly that is fixed on the rotary table 22 rotates to suitable welding position, this structure makes rotary table 22 anglecs of rotation accurate, improved welding precision, it has also significantly reduced the workman's that is welded weld interval, has improved welding efficiency; Install on the static workbench 18 and connect support 13, the preferred amount that connects support 13 is two, each connects on the support 13 installs limited block 17 and buffer 15 respectively, this structure is used for reducing the impulsive force of motor vehicle assembly in the rotary course, increases job stability and the security of rotary table 22; At least three fixed mounts 3 are installed on the described static workbench 18, and fixed mount 3 ring-type centered by through hole 11 is evenly distributed, and needle roller cam guider 21 all is installed on each fixed mount 3.As shown in figures 1 and 3, fixed mount 3 preferred amounts are 4.This structure does not hinder the rotation of required weld assembly yet when supporting required weld assembly, prevent from tilting when required weld assembly from rotating.Bracing frame 8 is installed on the described static workbench 18, and cylinder 19 is installed on the static workbench 18 by bracing frame 8.This structure makes cylinder 19 fixing more firm, has avoided producing between cylinder 19 and the static workbench 18 mobile phenomenon.Described fixture can have first sleeve 4 and second sleeve 5, also can be formed by bearing, the preferred structure of fixture is that first sleeve 4 and second sleeve 5 are arranged, second sleeve, 5 upper ends are fixedly mounted on the static workbench 18, through hole 11 is passed in second sleeve, 5 lower ends, rotating shaft 1 is passed and is installed following two angular contact ball bearings, 10, the first sleeves 4 between second sleeve, 5, the second sleeves 5 and the rotating shaft 1 and be fixed on up and down between two angular contact ball bearings 10.This respective outer side edges precision makes rotating shaft 1 fixation, is difficult for breaking down or damaging, long working life.Fixture also can be made up of bearing, and rotating shaft 1 is installed on the through hole 11 on the static workbench 18 by bearing, and is this simple in structure, cost is low, but various faults appear in this structure easily, may cause rotating shaft 1 to come off at static workbench 18, need often to safeguard.Described second sleeve, 5 end face installed thrust ball bearings 14, thrust ball bearing 14 upper surfaces touch mutually with gear 23.The pressure that this structure is born the rotating shaft 1 of fixedlying connected with gear 23 can be delivered on the static workbench 18 through thrust ball bearing 14 and second sleeve 5, avoids rotating shaft 1 to reduce phenomenon because of the life-span of bearing multiaxis loading and causing; This structure can also reduce the frictional force between rotating shaft 1 and second sleeve 5, improves transmission efficiency.Bearing (ball) cover 2 is installed in described second sleeve 5 lower surfaces, and bearing (ball) cover 2 is positioned at rotating shaft 1 below.This structure can prevent that introduced contaminants from entering rotating shaft 1.Baffle plate 12 is installed on the described leading truck 7.This structure can prevent that introduced contaminants from entering tooth bar 6 shift phenomenons that leading truck 7 produces.Pad 16 is installed on the described connection support 13, and limited block 17 is installed in by pad 16 and connects on the support 13.This structure can be adjusted limited block 17 positions, guarantees the precision that is rotated in place of rotary table 22.Rotation distribution 20 is set on the described rotary table 22, and rotary table 22 end face perforates arrange tracheae 24 in the rotating shaft 1, the hole that tracheae 24 passes rotary table 22 end faces with rotate distribution 20 and be connected.This structure plays the phenomenon of tracheae 24 knottings when rotary table 22 rotations.

Below by reference to the accompanying drawings the specific embodiment of the present utility model is described, but these explanations can not be understood that to have limited scope of the present utility model, the utility model not technology contents of detailed description is known technology.

Claims

1. pneumatic rotary working platform, it is characterized in that: comprise static workbench (18), static workbench (18) is gone up cylinder (19) and leading truck (7) is installed, the piston rod of cylinder (19) is connected with an end of connecting rod (9), the other end of connecting rod (9) is installed tooth bar (6), tooth bar (6) cooperates with leading truck (7), offer through hole (11) in the middle of the static workbench (18), pass rotating shaft (1) in the through hole (11), rotating shaft (1) is installed on the static workbench (18) by fixture, rotating shaft (1) end face fixed installation rotary table (22), rotary table (22) below arranges gear (23), gear (23) is fixed in the rotating shaft (1), gear (23) and tooth bar (6) engagement, static workbench (18) is gone up to install and is connected support (13), connects support (13) limited block (17) and buffer (15) upward are installed.

2. a kind of pneumatic rotary working platform according to claim 1, it is characterized in that: described static workbench (18) is gone up at least three fixed mounts (3) is installed, fixed mount (3) ring-type centered by through hole (11) is evenly distributed, and needle roller cam guider (21) all is installed on each fixed mount (3).

3. a kind of pneumatic rotary working platform according to claim 1 is characterized in that: described static workbench (18) is gone up bracing frame (8) is installed, and cylinder (19) is installed on the static workbench (18) by bracing frame (8).

4. a kind of pneumatic rotary working platform according to claim 1, it is characterized in that: described fixture has first sleeve (4) and second sleeve (5), second sleeve (5) upper end is fixedly mounted on the static workbench (18), through hole (11) is passed in second sleeve (5) lower end, second sleeve (5) is passed in rotating shaft (1), install following two angular contact ball bearings (10) between second sleeve (5) and the rotating shaft (1), first sleeve (4) is fixed on up and down between two angular contact ball bearings (10).

5. a kind of pneumatic rotary working platform according to claim 4 is characterized in that: described second sleeve (5) end face installed thrust ball bearing (14), thrust ball bearing (14) upper surface touches mutually with gear (23).

6. a kind of pneumatic rotary working platform according to claim 4 is characterized in that: bearing (ball) cover (2) is installed in described second sleeve (5) lower surface, and bearing (ball) cover (2) is positioned at rotating shaft (1) below.

7. a kind of pneumatic rotary working platform according to claim 1 is characterized in that: the last baffle plate (12) of installing of described leading truck (7).

8. a kind of pneumatic rotary working platform according to claim 1 is characterized in that: described connection support (13) is gone up pad (16) is installed, and limited block (17) is installed on the connection support (13) by pad (16).

9. a kind of pneumatic rotary working platform according to claim 1, it is characterized in that: rotation distribution head (20) is set on the described rotary table (22), rotary table (22) end face perforate, tracheae (24) is set in the rotating shaft (1), and the hole that tracheae (24) passes rotary table (22) end face is connected with rotation distribution head (20).