Pipe fitting and sleeve clamping and pressing assembly tool
By combining pre-assembled tooling components and formed assembly tooling components, the problem of unstable connection between sleeve and pipe fitting is solved, realizing a convenient and low-cost assembly process and ensuring a stable connection between sleeve and pipe fitting.
Patent Information
- Application Number
- CN202520125264.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-20
AI Technical Summary
The existing connection method between sleeves and pipe fittings is prone to sleeve detachment, and the process is cumbersome and costly.
Using pre-assembled tooling components and formed assembly tooling components, the design of the clamps and clamping ports enables the pre-clamping and re-extrusion forming of the sleeve on the outer diameter of the pipe fitting joint. Combined with the mandrel, it is suitable for sleeves and pipe fitting joints of different sizes.
This enables convenient assembly of the sleeve and fitting, reduces costs, avoids sleeve detachment, and improves the stability and uniformity of the connection.
Smart Images
Figure CN223718787U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of assembly tooling, especially relates to a pipe fitting and sleeve clamping and pressing assembly tooling. BACKGROUND
[0002] Pipe fitting and sleeve are used in pairs, and the sleeve is a commonly used accessory in fluid pipe fitting, mainly used for sleeving on the pipe fitting joint. The existing sleeving mode is as follows: an embedded groove is arranged on the outer circumferential wall of the pipe fitting joint, and a sealing gasket is placed in the embedded groove, and then one end of the red copper sleeve is fixed on the sealing gasket by interference fit, which may cause the red copper sleeve to fall off during transportation. The above-mentioned sleeving mode has the defects of complicated process and high cost. Therefore, a clamping and pressing assembly tooling needs to be developed to solve the above-mentioned technical problems. SUMMARY
[0003] The utility model aims at overcoming the defects of the prior art, and provides a pipe fitting and sleeve clamping and pressing assembly tooling which is convenient to assemble and has low cost.
[0004] The utility model aims at overcoming the defects of the prior art, and provides a pipe fitting and sleeve clamping and pressing assembly tooling which is convenient to assemble and has low cost.
[0005] The utility model has the advantages that compared with the prior art, the pre-assembly tooling assembly is arranged, so that the sleeve can be pre-clamped and pressed at the outer diameter of the joint of the pipe fitting. The forming assembly tooling assembly is arranged, so that the sleeve on the pipe fitting can be extruded and formed again. The two assembly tooling assemblies are used in combination, so that the sleeve and the pipe fitting are convenient to assemble, have low cost, and do not need a sealing gasket, and the sleeve will not fall off the pipe fitting.
[0006] As preferred, the inner wall of the lower end of the first clamping port is inwardly recessed, and the two first clamping ports are oppositely symmetrically distributed along the axis core of the mandrel; through the arrangement of the above structure, the sleeve is pre-clamped at the joint outer diameter of the pipe fitting during the clamping process of the pre-assembly tool assembly, so as to stabilize the connection and roughly assemble the forming.
[0007] As preferred, the inner wall of the upper end of the second clamping port is inwardly recessed, and the four second clamping ports are oppositely symmetrically distributed along the axis core of the mandrel; through the arrangement of the above structure, the sleeve on the pipe fitting is extruded and formed again during the clamping process of the forming assembly tool assembly, so as to ensure that the sleeve is very uniformly fixed on the pipe fitting after assembly, the roundness is better, and the fit is better, and the upper end of the sleeve is once inwardly recessed and extruded and finally formed.
[0008] As preferred, the mounting end face of the first clamping port and the second clamping port fixedly connected with the driving cylinder is an L-shaped stepped face; the mounting end face is arranged as an L-shaped stepped face, so that the first clamping jaw and the second clamping jaw are more stably connected and fixed with the driving end of the driving cylinder on the workbench, especially during the extrusion process between the sleeve and the pipe fitting, through the arrangement of the above structure, the stability of extrusion is better.
[0009] As preferred, the outer circumferential wall of the upper end of the mandrel is provided with a plurality of stepped grooves, and different sizes of sleeves and pipe fitting joints can be sleeved through the plurality of stepped grooves; in this way, the mandrel on the workbench can be applied to the sleeving of sleeves and pipe fitting joints of different sizes, and the applicability is better. BRIEF DESCRIPTION OF DRAWINGS
[0010] Fig. 1 is the main structure schematic view of the pre-assembly tool assembly of the utility model.
[0011] Fig. 2 is the actual application structure schematic view of the pre-assembly tool assembly of the utility model.
[0012] Fig. 3 is the structure schematic view of the forming assembly tool assembly of the utility model.
[0013] Fig. 4 is the three-dimensional structure schematic view of the second clamping jaw of the utility model.
[0014] Fig. 5 is the sectional structure schematic view of the second clamping jaw of the utility model.
[0015] The reference signs in the drawings are as follows: 1, pre-assembly tooling assembly; 2, forming assembly tooling assembly; 3, workbench; 4, driving cylinder; 5, sleeve; 6, pipe fitting; 7, mandrel; 8, L-shaped stepped surface; 11, first clamping jaw; 12, first clamping opening; 13, lower end inner wall; 21, second clamping jaw; 22, second clamping opening; 23, upper end inner wall; 71, stepped groove. DETAILED DESCRIPTION
[0016] The utility model will be introduced in detail below in combination with the drawings: as shown in the drawings, Figs. 1 to 5 The utility model discloses a pre-assembly tooling assembly 1 and forming assembly tooling assembly 2, the pre-assembly tooling assembly 1 includes two first clamping jaws 11 that are symmetrically distributed, one end of two first clamping jaws 11 is connected fixed with the driving end of driving cylinder 4 on workbench 3, and the other end of two first clamping jaws 11 is equipped with semicircular first clamping opening 12, and sleeve 5 is pre-clamped at the joint outer diameter of pipe fitting 6 by the closure of two first clamping openings 12, forming assembly tooling assembly 2 includes four second clamping jaws 21 that are cross symmetrically distributed, one end of four second clamping jaws 21 is connected fixed with the driving end of driving cylinder 4 on workbench 3, and the other end of four second clamping jaws 21 is equipped with 1 / 4 circular second clamping opening 22, and sleeve 5 on pipe fitting 6 is extruded again and forms by the closure of four second clamping openings 22, and the mandrel 7 for sleeving sleeve 5 and pipe fitting joint is installed on workbench 3, and the mandrel 7 is located at the center position of the clamping opening of pre-assembly tooling assembly 1 and forming assembly tooling assembly 2. The sleeve 5 in the above is purple copper sleeve, and the pipe fitting 6 in the above is brass pipe fitting.
[0017] The lower end inner wall 13 of first clamping opening 12 is inwardly recessed, and two first clamping openings 12 are relatively symmetrically distributed along the axis core of mandrel 7.
[0018] The upper end inner wall 23 of second clamping opening 22 is inwardly recessed, and four second clamping openings 22 are cross relatively symmetrically distributed along the axis core of mandrel 7.
[0019] The mounting end face of first clamping opening 12 and second clamping opening 22 connected fixed with driving cylinder 4 is L-shaped stepped surface 8. And first clamping jaw 11 and second clamping jaw 21 are installed and fixed on the driving end of driving cylinder 4 through the mounting hole on the mounting end face and adopting bolt assembly.
[0020] The outer circumferential wall of the upper end of mandrel 7 is equipped with a plurality of stepped grooves 71, and different sizes of sleeve 5 and pipe fitting joint can be sleeved through the plurality of stepped grooves 71.
[0021] The working principle of the utility model is as follows: firstly, sleeve 5 and pipe fitting 6 are respectively sleeved on one stepped groove 71 of the upper end of mandrel 7, namely sleeve 5 is located outside the pipe fitting joint; then, sleeve 5 is pre-clamped at the joint outer diameter of pipe fitting 6 through the closure of two first clamping ports 12; finally, the pre-clamped pipe fitting 6 with sleeve 5 is extruded again and formed through the closure of four second clamping ports 22, realizing the final assembly effect.
[0022] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. A pipe and sleeve press-fit assembly tool comprising a pre-assembly tool assembly (1) and a forming assembly tool assembly (2), characterized in that: The pre-assembly tool assembly (1) comprises two symmetrically distributed first clamping jaws (11), one end of each of the two first clamping jaws (11) is connected and fixed with the driving end of the driving cylinder (4) on the workbench (3), the other end of each of the two first clamping jaws (11) is provided with a semicircular first clamping port (12), the sleeve (5) is pre-clamped at the joint outer diameter of the pipe fitting (6) through the closure of the two first clamping ports (12); the forming assembly tool assembly (2) comprises four cross-symmetrically distributed second clamping jaws (21), one end of each of the four second clamping jaws (21) is connected and fixed with the driving end of the driving cylinder (4) on the workbench (3), the other end of each of the four second clamping jaws (21) is provided with a 1 / 4 circular second clamping port (22), the sleeve (5) on the pipe fitting (6) is extruded and formed again through the closure of the four second clamping ports (22); the workbench (3) is provided with a mandrel (7) for sleeving the sleeve (5) and the pipe fitting joint, the mandrel (7) is located at the center position of the clamping port of the pre-assembly tool assembly (1) and the forming assembly tool assembly (2).
2. The tooling for press-fitting a sleeve over a pipe according to claim 1, characterized in that: The lower end inner wall (13) of the first clamping port (12) is an inwardly recessed inner wall, and the two first clamping ports (12) are symmetrically distributed along the axis core of the mandrel (7).
3. The tooling for press-fitting a sleeve over a pipe according to claim 1, characterized in that: The upper end inner wall (23) of the second clamping port (22) is an inwardly recessed inner wall, and the four second clamping ports (22) are cross-symmetrically distributed along the axis core of the mandrel (7).
4. The tool of claim 1, wherein: The mounting end face of the first clamping port (12) and the second clamping port (22) connected and fixed with the driving cylinder (4) is an L-shaped stepped face (8).
5. The tool of claim 1, wherein: The outer peripheral wall of the upper end of the mandrel (7) is provided with a plurality of stepped grooves (71), and different sizes of sleeves (5) and pipe fitting joints can be sleeved through the plurality of stepped grooves (71).