CN216027627U

CN216027627U - Positioning device of pipe shrinking machine

Info

Publication number: CN216027627U
Application number: CN202122565048.5U
Authority: CN
Inventors: 乔志彬; 张向北; 教军锋; 孙冰
Original assignee: Changge Sitaibo Machinery Co ltd
Current assignee: Changge Sitaibo Machinery Co ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-03-15
Anticipated expiration: 2031-10-25

Abstract

The utility model discloses a positioning device of a pipe shrinking machine, which comprises a supporting shell, wherein a gear shaft is rotatably connected to the rear side surface of the supporting shell at a position close to the center, a driving gear is mounted on the gear shaft in the supporting shell, three racks are meshed and connected to the driving gear, the back surfaces of the racks are respectively and fixedly connected to different supporting blocks, each supporting block is respectively and slidably connected with different guide shafts, the included angles between the axial directions of the adjacent guide shafts are the same, the guide shafts are fixedly connected with the inner side surface of the supporting shell, the front side surface of each supporting block is provided with an oblique guide groove, guide blocks are slidably arranged in the guide grooves, the front side surface of each guide block on each supporting block is respectively and fixedly connected to different clamping fixed blocks, the inner ends of the clamping fixed blocks are fixedly connected with arc-shaped clamping plates, and the front side surfaces of the clamping fixed blocks are provided with sliding blocks, the sliding block is in sliding connection with the sliding groove on the front side surface of the supporting shell; the positioning device of the pipe shrinking machine has high clamping and fixing effects and high machining precision of pipe fittings.

Description

Positioning device of pipe shrinking machine

Technical Field

The utility model particularly relates to a positioning device of a pipe reducing machine.

Background

The pipe reducing machine is used for expanding and contracting the end face of a pipe in a normal state, and is a hydraulic full-automatic pipe end processing machine controlled by an integrated control touch display screen.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a positioning device of a pipe shrinking machine aiming at the defects of the prior art so as to achieve the purposes of improving the clamping and fixing effects on pipe fittings and improving the machining precision of the pipe fittings.

The purpose of the utility model is realized as follows: the utility model provides a draw machine positioner, includes support housing, its characterized in that: a gear shaft is rotatably connected to the rear side surface of the supporting shell at a position close to the center, a driving gear is mounted on the gear shaft in the supporting shell, three racks are connected to the driving gear in a meshed manner, the back surfaces of the racks are respectively and fixedly connected to different supporting blocks, each supporting block is respectively and slidably connected with different guide shafts, the included angles between the adjacent guide shafts in the axial direction are the same, the guide shafts are fixedly connected with the inner side surface of the supporting shell, oblique guide grooves are formed in the front side surfaces of the supporting blocks, guide blocks are slidably arranged in the guide grooves, the front side surface of each guide block on each supporting block is respectively and fixedly connected to different clamping fixed blocks, an arc-shaped clamping plate is fixedly connected to the inner ends of the clamping fixed blocks, and a sliding block is arranged on the front side surface of each clamping fixed block, the sliding block is connected with the sliding groove in the front side face of the supporting shell in a sliding mode, and the axis direction of the sliding groove is perpendicular to the axis direction of the corresponding guide shaft.

Furthermore, the gear shaft adopts a hollow structure, and the inner diameter of the hollow shaft is larger than the outer diameter of the pipe fitting, so that the pipe fitting can penetrate through the positioning device, the pipe fitting can be fixed at any position of the pipe fitting, the clamping and positioning effect is ensured, and the machining of the machine head of the pipe shrinking machine is facilitated.

Furthermore, the included angle between the guide groove on each supporting block and the axis direction of the corresponding guide shaft is the same, and is larger than 0 degree and smaller than 90 degrees, and in the process that the supporting blocks move along the axis direction of the guide shafts, the clamping fixing blocks are pushed to move along the axis direction of the sliding grooves through relative sliding between the guide blocks and the guide grooves, so that the pipe fittings are clamped and fixed.

Furthermore, the arc-shaped clamping blocks are fixedly connected with the clamping supporting blocks in a detachable mode, and the arc-shaped clamping blocks with different clamping inner diameters can be replaced for pipe fittings with different diameters, so that the clamping effect of the arc-shaped clamping blocks on the pipe fittings is guaranteed.

Furthermore, the inner end of the gear shaft is rotatably connected to the fixing frame on the inner side face of the supporting shell, the inner end of the gear shaft can be supported through the fixing frame, and stable transmission of the gear and the rack is guaranteed.

Furthermore, the driving gear is connected with a driving gear in a meshed mode, the driving gear is connected with the supporting shell in a rotating mode through a rotating shaft, and the outer end of the rotating shaft is connected with a rotating motor or a rotating handle.

Furthermore, one side of the driving gear in the supporting shell is connected with an automatic locking mechanism, and the automatic locking mechanism can prevent the gear from reversely rotating in the process of clamping the pipe fitting, so that the clamping effect of the arc-shaped clamping block on the pipe fitting is ensured.

Further, locking mechanism includes the latch, the one end card of latch is gone into in the tooth of drive gear, the other end passes through the articulated shaft and connects on the medial surface that supports the casing, articulated shaft department is connected with the torsional spring, the outer end of articulated shaft is connected with the twist grip, through the relative motion between the tooth of latch and drive gear, can carry out the autolock to drive gear's counter-rotation and die, when needs carried out the unblock to the pipe fitting, rotate through the twist grip and rotate the rotation that the latch can drive gear and carry out the unblock.

The utility model has the beneficial effects that:

1. the clamping fixed end of the pipe fitting is formed by splicing three arc-shaped clamping plates, and the shape and the size of each arc-shaped clamping plate can be matched with the size of the pipe fitting, so that the fixing effect is good;

2. the three arc-shaped clamping plates synchronously move back and forth along the diameter direction of the pipe fitting to clamp or unlock the pipe fitting, so that the clamping force of the pipe fitting in different directions is uniform, the position of the central axis of the pipe fitting with different diameters can be unchanged, the relative position of the machine head of the pipe reducing machine does not need to be adjusted, and the pipe reducing machine is convenient to use.

Drawings

Fig. 1 is a schematic diagram of the internal structure of a positioning device of a pipe shrinking machine according to the present invention.

Fig. 2 is a schematic front view of a positioning device of a pipe shrinking machine according to the present invention.

Fig. 3 is a schematic bottom view of the clamping support block in the positioning device of the pipe shrinking machine of the present invention.

In the figure: 1. the device comprises a supporting shell 2, a gear shaft 3, a driving gear 4, a rack 5, a supporting block 6, a guide shaft 7, a guide groove 8, a clamping fixing block 9, an arc-shaped clamping plate 10, a sliding block 11, a fixing frame 12, a driving gear 13, a rotating shaft 14, a latch 15, a hinged shaft 16, a torsion spring 17, a sliding groove 18, a rotating handle 19, a twisting handle 20 and a guide block.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1

As shown in fig. 1-3, a positioning device for a pipe shrinking machine comprises a supporting housing 1, a gear shaft 2 rotatably connected to a position close to the center on the rear side surface of the supporting housing 1, a driving gear 3 mounted on the gear shaft in the supporting housing 1, three racks 4 engaged with the driving gear 3, back surfaces of the racks 4 respectively fixedly connected to different supporting blocks 5, each supporting block 5 respectively slidably connected to different guiding shafts 6, included angles between axial directions of adjacent guiding shafts 6 are the same, the guiding shafts 6 are fixedly connected to the inner side surface of the supporting housing 1, the three supporting blocks 5 can be driven to respectively synchronously move along the axial directions of the different guiding shafts 6 by the engagement connection between the driving gear 3 and the racks 4, an inclined guiding groove 7 is arranged on the front side surface of the supporting block 5, the guide groove 7 is internally provided with a guide block 20 in a sliding way, the front side surface of the guide block 20 on each support block 5 is respectively and fixedly connected with different clamping and fixing blocks 8, the inner end of the clamping fixed block 8 is fixedly connected with an arc-shaped clamping plate 9, the front side surface of the clamping fixed block 8 is provided with a sliding block 10, the sliding block 10 is connected with a sliding groove 17 on the front side surface of the supporting shell 1 in a sliding way, the axial direction of the sliding groove 17 is vertical to the axial direction of the corresponding guide shaft 6, when the three support blocks 5 respectively move along the corresponding guide shafts 6 in the clockwise direction, under the relative sliding action of the slide grooves 17 on the slide blocks 10, the guide blocks 20 move in the guide grooves 7 towards the center of the driving gear 3 relative to the guide grooves 7, namely, the arc-shaped clamping plate 9 connected with the inner end of the clamping fixed block 8 moves towards the center direction of the driving gear 3 to clamp and fix the pipe fitting.

Example 2

As shown in fig. 1-3, a positioning device for a pipe shrinking machine comprises a supporting housing 1, a gear shaft 2 is rotatably connected to a position close to the center on the rear side surface of the supporting housing 1, the inner end of the gear shaft 2 is rotatably connected to a fixing frame 11 on the inner side surface of the supporting housing 1, a driving gear 3 is mounted on the gear shaft in the supporting housing 1, three racks 4 are engaged and connected to the driving gear 3, the back surfaces of the racks 4 are respectively and fixedly connected to different supporting blocks 5, each supporting block 5 is respectively and slidably connected to different guiding shafts 6, the included angles between the axial directions of the adjacent guiding shafts 6 are the same, the guiding shafts 6 are fixedly connected to the inner side surface of the supporting housing 1, a driving gear 12 is engaged and connected to the driving gear 3, and the driving gear 12 is rotatably connected to the supporting housing 1 through a rotating shaft 13, the outer end of the rotating shaft 13 is connected with a rotating handle 18, the rotating handle is rotated, the driving gear 3 is driven to rotate by a driving gear 12, the driving gear 3 is meshed with the rack 4 to drive the three supporting blocks 5 to synchronously move along the axial directions of different guide shafts 6, an oblique guide groove 7 is arranged on the front side surface of each supporting block 5, a guide block 20 is arranged in the guide groove 7 in a sliding manner, the front side surface of the guide block 20 on each supporting block 5 is fixedly connected to different clamping fixed blocks 8, the included angle between the guide groove 7 on each supporting block 5 and the axial direction of the corresponding guide shaft 6 is 45 degrees, the inner end of each clamping fixed block 8 is fixedly connected with an arc-shaped clamping plate 9, the front side surface of each clamping fixed block 8 is provided with a sliding block 10, and the sliding block 10 is connected with a sliding groove 17 on the front side surface of the supporting shell 1 in a sliding manner, the axial direction of the sliding groove 17 is perpendicular to the axial direction of the corresponding guide shaft 6, when the three support blocks 5 respectively move clockwise along the corresponding guide shafts 6, under the relative sliding action of the sliding groove 17 on the sliding block 10, the guide block 20 moves towards the center direction of the driving gear 3 relative to the guide groove 7 in the guide groove 7, namely, the arc-shaped clamping plate 9 connected with the inner end of the clamping fixed block 8 moves towards the center direction of the driving gear 3 to clamp and fix the pipe fitting; the arc-shaped clamping blocks 9 are fixedly connected with the clamping support blocks 8 in a detachable mode, and the arc-shaped clamping blocks 9 with different clamping inner diameters can be replaced aiming at pipe fittings with different diameters, so that the clamping effect of the arc-shaped clamping blocks 9 on the pipe fittings is ensured; the gear shaft 2 is of a hollow structure, and the inner diameter of the hollow shaft is larger than the outer diameter of the pipe fitting, so that the pipe fitting can penetrate through the positioning device, the pipe fitting can be fixed at any position of the pipe fitting, the clamping and positioning effects are ensured, and the machining of a machine head of a pipe shrinking machine is facilitated; one side of drive gear 3 is connected with the automatic locking mechanism in support housing 1, the locking mechanism includes latch 14, in the tooth of drive gear 3 was gone into to the one end card of latch 14, the other end passed through articulated shaft 15 and is connected on the medial surface of support housing 1, be connected with torsional spring 16 between articulated shaft 15 position department slide caliper 14 and the support housing 1, the outer end of articulated shaft 15 is connected with twist grip 18, in drive gear 3 clockwise rotation, the tight in-process of pipe fitting is pressed from both sides to arc clamp piece 9, the tip of slide caliper 14 is in the tooth pressure surface to drive gear 3 progressively relative movement, when drive gear 3 counter-rotation, slide caliper 14 card is gone into under the effect of torsional spring and makes drive gear 3 can't continue to rotate in the tooth of drive gear 3 to effectively prevent arc clamp piece 9 from the automatic unblock of pipe fitting, guarantee positioner to the tight effect of pipe fitting's clamp, when the pipe fitting needs to be unlocked, the clamping teeth 14 are rotated by the twisting handle 19 to reversely rotate against the acting force of the torsion spring 16, so that the clamping calipers 14 are loosened to lock the teeth on the driving gear 3.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" or "an" and the like in the description and in the claims of this application do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

Exemplary embodiments of the present invention have been described in detail with reference to the preferred embodiments, however, it will be understood by those skilled in the art that various changes and modifications may be made to the specific embodiments described above, and various combinations of the technical features and structures proposed by the present invention may be made without departing from the concept of the present invention.

Claims

1. The utility model provides a draw machine positioner, includes support housing, its characterized in that: a gear shaft is rotatably connected to the rear side surface of the supporting shell at a position close to the center, a driving gear is mounted on the gear shaft in the supporting shell, three racks are connected to the driving gear in a meshed manner, the back surfaces of the racks are respectively and fixedly connected to different supporting blocks, each supporting block is respectively and slidably connected with different guide shafts, the included angles between the adjacent guide shafts in the axial direction are the same, the guide shafts are fixedly connected with the inner side surface of the supporting shell, oblique guide grooves are formed in the front side surfaces of the supporting blocks, guide blocks are slidably arranged in the guide grooves, the front side surface of each guide block on each supporting block is respectively and fixedly connected to different clamping fixed blocks, an arc-shaped clamping plate is fixedly connected to the inner ends of the clamping fixed blocks, and a sliding block is arranged on the front side surface of each clamping fixed block, the sliding block is connected with the sliding groove in the front side face of the supporting shell in a sliding mode, and the axis direction of the sliding groove is perpendicular to the axis direction of the corresponding guide shaft.

2. The positioning device of the pipe reducing machine according to claim 1, wherein: the gear shaft adopts a hollow structure.

3. The positioning device of the pipe reducing machine according to claim 1, wherein: the included angle between the guide groove on each supporting block and the axis direction of the corresponding guide shaft is the same, and the included angle is larger than 0 degree and smaller than 90 degrees.

4. The positioning device of the pipe reducing machine according to claim 1, wherein: the arc-shaped clamping block is fixedly connected with the clamping supporting block in a detachable mode.

5. The positioning device of the pipe reducing machine according to claim 1, wherein: the inner end of the gear shaft is rotatably connected to the fixing frame on the inner side surface of the supporting shell.

6. The positioning device of the pipe reducing machine according to claim 1, wherein: the driving gear is meshed with a driving gear, the driving gear is rotatably connected with the supporting shell through a rotating shaft, and the outer end of the rotating shaft is connected with a rotating motor or a rotating handle.

7. The positioning device of the pipe reducing machine according to claim 1, wherein: one side of the driving gear in the supporting shell is connected with an automatic locking mechanism.

8. The positioning device of the pipe reducing machine according to claim 7, wherein: the locking mechanism comprises a latch, one end of the latch is clamped into the teeth of the driving gear, the other end of the latch is connected to the inner side surface of the supporting shell through an articulated shaft, the articulated shaft is connected with a torsional spring, and the outer end of the articulated shaft is connected with a torsion handle.