Self-adaptive pipe fitting centering device

Abstract

The utility model belongs to the technical field of pipe fitting machining, and particularly relates to a self-adaptive pipe fitting centering device which comprises a mounting plate and a protective cover, the mounting plate is fixed at the rear end of the protective cover, a clamping motor is mounted at the bottom of the mounting plate and connected with a lead screw, the lead screw penetrates through a support corresponding to a connecting nut to be connected with an ejector block, and the ejector block is connected with the support corresponding to the connecting nut. Opening and closing type swing rods are arranged on the two sides of the top block, roller sets are installed at the tail ends of the swing rods through bolts, and spacer bush bases are installed in the middles of the swing rods through spacer bush gaskets. As long as the diameter of the pipe fitting is smaller than the center distance of the roller sets, the pipe fitting can be clamped and centered, the clamping motor is started to drive the lead screw to rotate, the lead screw and the connecting nut on the lead screw generate relative height difference, the height difference enables the ejector block to abut against the swing rods on the left side and the right side, and the upper half portions of the swing rods contract inwards. And then the two sets of swing rods clamp the pipe fitting through the rolling wheel sets, and self-adaptive clamping of the pipe fitting within a certain range is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipe fitting processing technical field, concretely is a kind of self-adapting pipe fitting centering device. BACKGROUND

[0002] Round pipe is a kind of hollow long strip round steel, mainly widely used in petroleum, chemical industry, medical treatment, food, light industry, mechanical instrument etc.

[0003] The existing patent (announcement number CN219767454U) and a kind of device for pipe fitting centering, this patent first locating disc is equipped with at least two wedge block cooperation parts distributed in circular array around axis, operating personnel can follow the principle of cross symmetry, step-by-step tightening sequentially tighten the screw rod connected with the corresponding position wedge block, adjustable area is adjusted, while realizing that first locating disc is tensioned in pipe material, guarantee the coaxiality of both, finally guarantee processing precision, it is applicable to the pipe material with larger inner hole size tolerance, this pipe fitting centering structure is too large to occupy larger area, simultaneously cannot clamp and fix pipe fitting in one size range.

[0004] Therefore, we propose a kind of self-adapting pipe fitting centering device, it is favorable to the self-adapting clamping of pipe fitting in a certain range. UTILITY MODEL CONTENT

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a kind of self-adapting pipe fitting centering device to solve the problems in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of self-adapting pipe fitting centering device, including mounting plate and protective cover, the rear end of the protective cover is fixed with mounting plate, the bottom of the mounting plate is installed with clamping motor, the clamping motor is connected with screw rod, the screw rod passes through support corresponding connection nut and is connected with top block, the both sides of the top block are provided with open-close type swing bar, the end of the swing bar is installed with roller set by bolt, the middle part of the swing bar is installed with spacer sleeve seat by spacer sleeve pad.

[0007] Further: two groups of the swing bar are installed with swing bar spring through open-close screw rod, the open-close screw rod extends out of protective cover, the open-close screw rod is connected with limit switch through limit rod.

[0008] Further: two the swing bar are installed with fixed nut, the both ends of the fixed nut are connected with guide shaft, the connecting place of the guide shaft and protective cover is installed with shaft pad.

[0009] Further: the connecting place of the protective cover and mounting plate is installed with spacer pad.

[0010] Compared with prior art, the technical effect and advantage of the utility model:

[0011] The self-adaptive pipe fitting centering device of the utility model, as long as the pipe fitting diameter is smaller than the center distance of the roller set, can be clamped and centered, the clamping motor is started to drive the screw rod to rotate, the screw rod and the connecting nut on the screw rod generate relative height difference, the height difference makes the top block push against the left and right side swing rods, makes them shrink inward in the upper half, and then the two groups of swing rods clamp the pipe fitting through the roller set, which is beneficial to self-adaptive clamping of the pipe fitting within a certain range. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is the whole structure schematic view of the utility model;

[0013] Fig. 2 It is the whole internal structure schematic view of the utility model;

[0014] Fig. 3 It is the whole external structure schematic view of the utility model.

[0015] The figure mark is: 1, mounting plate;2, protective cover;3, clamping motor;4, screw rod;5, support;6, connecting nut;7, top block;8, swing rod;9, spacer seat;10, spacer pad;11, bolt;12, guide shaft;13, shaft pad;14, fixed nut;15, roller set;16, spacer pad;17, spring;18, limit switch;19, limit rod;20, opening and closing screw rod. DETAILED DESCRIPTION

[0016] The technical scheme in the utility model will be described clearly and completely in combination with the drawings in the utility model, and in addition, the form of each structure recorded in the following implementation is only an example, the structure involved in the utility model is not limited to each structure recorded in the following implementation, all other implementation obtained by the ordinary skill in the art without making creative labor belongs to the range of protection of the utility model.

[0017] Embodiment:

[0018] Please refer to Figs. 1-3The utility model provides a technical scheme: a kind of self-adapting pipe fitting centering device, including mounting plate 1 and protective cover 2, the rear end of protective cover 2 is fixed with mounting plate 1, and the clamping structure is wrapped protection by protective cover 2 and mounting plate 1, clamping motor 3 is installed at the bottom of mounting plate 1, the clamping motor 3 is connected with lead screw 4, and the corresponding connecting nut 6 is connected by starting the lead screw 4 through support 5, top block 7 is provided with open-close type swing bar 8 on both sides, the end of swing bar 8 is installed with gyro wheel set 15 by bolt 11, gyro wheel set 15 is with bolt 11 as circle point, spacer sleeve base 9 is installed in the middle of swing bar 8 by spacer sleeve pad 10, and the relative height difference of connecting nut 6 on lead screw 4 is generated by starting clamping motor 3 and driving lead screw 4 to rotate, and the height difference makes top block 7 press against swing bar 8 on left and right sides, so that they are inwards retracted in upper half, and then two groups of swing bar 8 are clamped to key by gyro wheel set 15.

[0019] Among them, swing bar spring 21 is installed between the two groups of swing bar 8 by open-close screw 20, open-close screw 20 extends out of protective cover 2, open-close screw 20 is connected with limit switch 18 by limiting rod 19, limiting rod 19 is fixed by limit switch 18, so as to keep the fixity of limiting rod 19, so as to keep the length of swing bar spring 21 unchanged, so as to ensure that the opening angle of two swing bars 8 is fixed, and then the locking of two groups of swing bars 8 is completed.

[0020] Among them, fixed nut 14 is installed between the two swing bars 8, guide shaft 12 is connected at the two ends of fixed nut 14, and shaft pad 13 is installed at the connection of guide shaft 12 and protective cover 2, guide shaft 12 is fixed by fixed nut 14, and the vibration of clamping structure is reduced by shaft pad 13 to reduce the abrasion of guide shaft 12.

[0021] Among them, spacer pad 16 is installed at the connection of protective cover 2 and mounting plate 1, and the gap between protective cover 2 and mounting plate 1 is filled by spacer pad 16.

[0022] The working principle in the utility model embodiment: by placing circular pipe between two groups of swing bars 8, the relative height difference of connecting nut 6 on lead screw 4 is generated by starting clamping motor 3 and driving lead screw 4 to rotate, and the height difference makes top block 7 press against swing bar 8 on left and right sides, so that they are inwards retracted in upper half, and then two groups of swing bars 8 are clamped to pipe by gyro wheel set 15, and then spacer sleeve base 9 in the middle of two swing bars 8 synchronously clamps pipe, limiting rod 19 is fixed by limit switch 18, so as to keep the fixity of limiting rod 19, so as to keep the length of swing bar spring 21 unchanged, so as to ensure that the opening angle of two swing bars 8 is fixed, and then the locking of two groups of swing bars 8 is completed.

[0023] When the pipe needs to be taken out, the limiting rod 19 is released by the limit switch 18, and then the swing rod spring 21 is reset, and then the clamping motor 3 drives the screw rod 4 to rotate and reset, so that the height of the top block 7 is lowered, and then the two groups of swing rods 8 are opened by the reset spring 21, so that the two swing rods are opened, and then the pipe is taken out.

[0024] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, and it is obvious for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims instead of the above description, therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model, and any figure mark in the claims should not be regarded as limiting the claims involved.

[0025] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An adaptive pipe centering device, comprising a mounting plate (1) and a protective cover (2), the rear end of the protective cover (2) is fixed with the mounting plate (1), the bottom of the mounting plate (1) is provided with a clamping motor (3), characterized in that: The clamping motor (3) is connected with a screw rod (4), the screw rod (4) is connected with a corresponding connecting nut (6) through a support (5) and a top block (7), the two sides of the top block (7) are provided with open-close type swing rods (8), the end part of the swing rod (8) is provided with a roller set (15) through a bolt (11), and the middle part of the swing rod (8) is provided with a spacer sleeve seat (9) through a spacer sleeve pad (10).

2. An adaptive pipe centering device according to claim 1, characterized in that: The swing rod spring (21) is installed between the two groups of swing rods (8) through the open-close screw rod (20), the open-close screw rod (20) extends out of the protective cover (2), and the open-close screw rod (20) is connected with the limit switch (18) through the limiting rod (19).

3. An adaptive pipe centering device according to claim 1, characterized in that: The two swing rods (8) are provided with a fixing nut (14), the two ends of the fixing nut (14) are connected with guide shafts (12), and the connecting parts of the guide shafts (12) and the protective cover (2) are provided with shaft pads (13).

4. The self-adapting pipe centering device of claim 1, wherein: The connecting part of the protective cover (2) and the mounting plate (1) is provided with a spacer pad (16).

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