CN211249773U

CN211249773U - Pipe fitting positioning jig

Info

Publication number: CN211249773U
Application number: CN201922233825.9U
Authority: CN
Inventors: 孙红苔; 王伟
Original assignee: Tianjin Wanhechang Technology Co ltd
Current assignee: Tianjin Wanhechang Technology Co ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-08-14
Anticipated expiration: 2029-12-13

Abstract

The utility model relates to a tool technical field specifically is a pipe fitting positioning jig, which comprises a base plate, be equipped with a plurality of bottom plate on the base plate, be equipped with the jacking cylinder on the bottom plate, the piston rod fixed connection of jacking cylinder is dull and stereotyped, be equipped with centering fixture on the flat board, centering fixture includes step motor, step motor drive gear is rotatory, both sides are equipped with two movable blocks that are central symmetric distribution around the gear, movable block fixed connection rack, the rack meshes with the gear mutually, movable block movable fit slide bar, the movable block bottom is equipped with universal ball, and movable block fixed connection bearing plate, bearing plate fixed connection riser, riser fixed connection grip block. The utility model discloses simple structure, convenient to use through rack and pinion's drive mode, reaches quick, accurate centering centre gripping pipe fitting to through the height and the horizontal position that change the grip block, make its heterotypic pipe fitting that can the centre gripping be crooked, the device commonality is high, has fine spreading value.

Description

Pipe fitting positioning jig

Technical Field

The utility model relates to a tool technical field specifically is a pipe fitting positioning jig.

Background

In the production process of metal pipes or plastic pipes, a positioning jig is commonly used for fixing objects, so that the objects occupy correct positions and are convenient to receive subsequent detection and construction. The positioning jig can realize rapid, convenient and safe installation of the workpiece to be processed.

The existing positioning jig has a complex structure, cannot clamp the pipe fitting quickly and accurately, can only clamp a common straight pipe type pipe fitting, and cannot be suitable for bent special-shaped pipe fittings.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a pipe fitting positioning jig adopts rack and pinion's drive mode, reaches quick, accurate centering centre gripping pipe fitting to through the height and the horizontal position that change the grip block, solved the problem of the crooked heterotypic pipe fitting of the unable centre gripping of original positioning jig.

(II) technical scheme

For realize above-mentioned quick, accurate centering centre gripping pipe fitting to and the mesh of the heterotypic pipe fitting that can the centre gripping is crooked, the utility model provides a following technical scheme: the utility model provides a pipe fitting positioning jig, includes the base plate, be equipped with a plurality of bottom plate on the base plate, be equipped with the jacking cylinder on the bottom plate, the piston rod fixed connection flat board of jacking cylinder, be equipped with centering fixture on the flat board, centering fixture includes step motor, step motor drive gear is rotatory, both sides are equipped with two movable blocks that are central symmetric distribution around the gear, the movable block is "L" font, movable block fixed connection rack, the rack meshes with the gear mutually, movable block movable fit slide bar, the both ends of slide bar are equipped with the supporting block, supporting block fixed connection flat board, the movable block bottom is equipped with universal ball, and movable block fixed connection bearing plate, bearing plate fixed connection riser, riser fixed connection grip block.

Preferably, the base plate is connected with the base plate through bolts, the base plate is fixedly connected with the two guide rods, and the guide rods penetrate through the flat plate in sliding fit.

Preferably, the flat board is equipped with the cavity, be equipped with step motor in the cavity, step motor's output shaft passes through gear drive and connects the drive shaft, drive shaft key-type connection gear, drive shaft interference fit take seat thrust bearing, take seat thrust bearing and step motor's the equal bolted connection of rear end cover flat board.

Preferably, the two sliding rods are horizontally and parallelly distributed, the screw threads of the sliding rods are connected with the supporting blocks, and the supporting blocks are L-shaped.

Preferably, the base of the universal ball is connected with the moving block through bolts, the universal balls are uniformly distributed along the bottom of the moving block in an L shape, and the rolling balls of the universal balls are abutted to the upper surface of the flat plate.

(III) advantageous effects

Compared with the prior art, the utility model provides a pipe fitting positioning jig possesses following beneficial effect:

1. the pipe fitting positioning jig is simple in structure and convenient to use, the pipe fitting is centered and clamped quickly and accurately by the driving mode of the gear and the rack, the bent special-shaped pipe fitting can be clamped by the pipe fitting positioning jig by changing the height and the horizontal position of the clamping plate, the device is high in universality, and the popularization value is good;

2. this pipe fitting positioning jig has retrained the direction of motion of movable block through the slide bar, has guaranteed the inseparable meshing of gear and rack to through the load that universal ball carried and comes from movable block and bearing plate, avoid the slide bar atress too big and complete, realize that the movable block is smooth and steady to move on the slide bar.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure A-A of FIG. 1;

FIG. 3 is a schematic structural view of the middle plate, the moving block, the rack, the sliding rod and the supporting plate of the present invention;

fig. 4 is a schematic structural view of the middle plate, the stepping motor, the driving shaft, the thrust bearing with the seat and the gear of the present invention.

In the figure: the device comprises a base plate 1, a bottom plate 2, a jacking cylinder 3, a flat plate 4, a guide rod 5, a stepping motor 6, a driving shaft 7, a thrust bearing 8 with a seat, a gear 9, a moving block 10, a rack 11, a sliding rod 12, a supporting block 13, a universal ball 14, a supporting plate 15, a vertical plate 16, a clamping plate 17 and a pipe 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): referring to fig. 1 to 4, a pipe positioning fixture includes a substrate 1, two bottom plates 2 are disposed on the substrate 1, bolt preformed holes are uniformly distributed on the substrate 1, and the bottom plates 2 are fixed to the substrate 1 through detachable bolts. The bottom plate 2 is fixedly connected with two guide rods 5, and the guide rods 5 penetrate through the flat plate 4 in sliding fit. The bottom plate 2 is provided with a jacking cylinder 3, the jacking cylinder 3 adopts a double-acting cylinder, a rod cavity and a rodless cavity of the jacking cylinder 3 are respectively provided with an air connecting port and are controlled by a two-position five-way single-electric control solenoid valve, the solenoid valve is electrically connected with a time controller, a piston rod of the jacking cylinder 3 is controlled by the solenoid valve to stretch, a rear end cover of the jacking cylinder 3 is connected with the bottom plate 2 by a bolt, a piston rod of the jacking cylinder 3 is connected with a flat plate 4 by a bolt, the flat plate 4 is provided with a centering clamping mechanism,

centering fixture includes step motor 6, and dull and stereotyped 4 is equipped with the cavity, is equipped with step motor 6 in the cavity, and step motor 6's output shaft passes through gear drive and connects

drive shaft

7, and 7 key-type connections gears of

drive shaft

9, 7 interference fit area seat thrust bearing of drive shaft, the equal bolted connection of rear end cap of area seat thrust bearing 8 and step motor 6 is dull and stereotyped 4. As shown in fig. 3, two moving blocks 10 are arranged on the front side and the rear side of the gear 9, the two moving blocks 10 are distributed in a central symmetry manner, the moving blocks 10 are in an L shape, the moving blocks 10 are fixedly connected with a rack 11, the rack 11 is meshed with the gear 9, the moving blocks 10 are movably matched with a slide bar 12, the slide bar 12 is provided with two horizontally and parallelly distributed blocks, two ends of the slide bar 12 are connected with supporting blocks 13 in a threaded manner, the supporting blocks 13 are in an L shape, and the supporting blocks 13 are fixedly connected with the flat plate.

The bottom of the moving block 10 is provided with universal balls 14, the base of the universal balls 14 is connected with the moving block 10 through bolts, the universal balls 14 are evenly distributed along the bottom of the moving block 10 in an L shape, and the rolling balls of the universal balls 14 are abutted to the upper surface of the flat plate 4. The moving block 10 is fixedly connected with a supporting plate 15, the supporting plate 15 is fixedly connected with a vertical plate 16, and the vertical plate 16 is fixedly connected with a clamping plate 17. Clamping plate 17 is circular arc shaped and is used to clamp pipe 18.

The device restricts the motion direction of the moving block 10 through the sliding rod 12, ensures the tight meshing of the gear 9 and the rack 11, and bears the load from the moving block 10 and the bearing plate 15 through the universal ball 14, thereby avoiding the overlarge and complete stress of the sliding rod 12 and realizing the smooth and stable movement of the moving block 19 on the sliding rod 12.

The working principle is as follows: the stepping motor 6 is started, the stepping motor 6 drives the gear 9 to rotate through the gear, and due to the meshing relation of the gear 9 and the rack 11 and the fact that the two moving blocks 10 are in central symmetry distribution, the two moving blocks 10 perform synchronous centering motion under the driving of the gear 9, and accordingly the pipe fitting 18 can be clamped or loosened by the clamping plate 17 located above the moving blocks 10.

As shown in fig. 1, when the heights of the clamping plates 17 on the two bottom plates 2 are different, the jacking cylinder 3 is started, the piston rod can push the flat plate 4 to move up and down under the driving of the jacking cylinder 3, so that the relative height of the clamping plates 17 is changed, and the device can position the bent special-shaped pipe fitting by changing the positions of the bottom plates 2 on the base plate 1; when the height of the clamping plates 17 on both bottom plates 2 is the same, the device can position the straight tubular element. Therefore, the pipe fitting positioning clamp is high in universality and has good popularization value.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pipe fitting positioning jig which characterized in that: the device comprises a base plate (1), a plurality of base plates (2) are arranged on the base plate (1), a jacking cylinder (3) is arranged on each base plate (2), a piston rod of each jacking cylinder (3) is fixedly connected with a flat plate (4), a centering clamping mechanism is arranged on each flat plate (4), each centering clamping mechanism comprises a stepping motor (6), each stepping motor (6) drives a gear (9) to rotate, two moving blocks (10) which are distributed in a central symmetry mode are arranged on the front side and the rear side of each gear (9), each moving block (10) is L-shaped, each moving block (10) is fixedly connected with a rack (11), each rack (11) is meshed with each gear (9), each moving block (10) is movably matched with a sliding rod (12), supporting blocks (13) are arranged at the two ends of each sliding rod (12), each supporting block (13) is fixedly connected with the corresponding flat plate (4), and a universal ball (, and the moving block (10) is fixedly connected with a supporting plate (15), the supporting plate (15) is fixedly connected with a vertical plate (16), and the vertical plate (16) is fixedly connected with a clamping plate (17).

2. The pipe fitting positioning jig of claim 1, wherein: the bottom plate (2) is connected with the base plate (1) through bolts, the bottom plate (2) is fixedly connected with the two guide rods (5), and the guide rods (5) penetrate through the flat plate (4) in sliding fit.

3. The pipe fitting positioning jig of claim 1, wherein: dull and stereotyped (4) are equipped with the cavity, be equipped with step motor (6) in the cavity, the output shaft of step motor (6) passes through gear drive and connects drive shaft (7), drive shaft (7) key-type connection gear (9), drive shaft (7) interference fit take seat thrust bearing, take the equal bolted connection of rear end cap flat board (4) of seat thrust bearing (8) and step motor (6).

4. The pipe fitting positioning jig of claim 1, wherein: the two sliding rods (12) are horizontally and parallelly distributed, the sliding rods (12) are in threaded connection with the supporting blocks (13), and the supporting blocks (13) are L-shaped.

5. The pipe fitting positioning jig of claim 1, wherein: the base of the universal ball (14) is connected with the moving block (10) through bolts, the universal ball (14) is evenly distributed along the bottom of the moving block (10) in an L shape, and the ball of the universal ball (14) is abutted to the upper surface of the flat plate (4).