Hose joint crimping device

Abstract

A fixed disc is installed on a rack, a middle shaft is installed through a square hole in the middle of the fixed disc, six rolling wheels are evenly installed on the inner surface of the rack, and the rolling wheels are embedded in an outer circular groove of a rotary disc; the rotating disc is meshed with the inner cone disc through threads, and the inner cone disc can slide left and right on the sliding block of the middle shaft; pressure heads are uniformly mounted on the periphery of the fixed disc at intervals; the top parts of the pressure heads are contacted with the inner conical surface of the inner conical disc. The middle shaft is provided with and axially positions the bearing disc through a nut, and the bearing disc is matched with the fixed disc through a middle square hole. The pressure welding device is uniform and compact in pressure welding, and the bearing disc can be replaced according to the pipe diameter.

Description

Technical Field

[0001] The present invention relates to a hose joint crimping device. Background Art

[0002] When some hoses are in use, a layer of metal needs to be crimped at the end. The metal sheets required for different occasions are different, with different plastic deformation strengths and different pipe diameters. Manually crimping with pliers is time-consuming and laborious, and the crimping is uneven.

[0003] The patent with the publication number CN217862879U discloses a pipe joint pressing device provided with a crimping drive system, a driven gear, and a driven shaft. A through hole is provided inside the driven gear, and the through hole is tangent to the driven shaft provided in the middle of the driven gear. There are six extrusion heads on the driven shaft. When the crimping drive system drives the driven gear to rotate, the surface of the through hole forces the extrusion heads to move in the sliding grooves, so as to achieve the purpose of extruding the hose joint. The extrusion heads in this patent are relatively scattered, which will make the extrusion uneven, and the hose is very soft without an internal support structure, and the crimping is not tight. Summary of the Invention

[0004] The purpose of the present invention is to provide a crimping device with uniform and tight crimping and capable of adapting to different pipe diameters.

[0005] To achieve the above purpose, the solution adopted by the present invention is: a hose joint crimping device, including a frame, a fixed disk is further installed on the frame, a middle shaft is installed through the square hole in the middle of the fixed disk, six rollers are evenly installed on the inner surface of the frame, and the rollers are fitted on the outer circumference of the turntable; the turntable is engaged with the inner tapered disk through an internal thread, and the inner tapered disk can slide left and right on the slider of the middle shaft; a plurality of evenly spaced crimping heads are installed around the fixed disk, and the top of the crimping head is in contact with the inner conical surface of the inner tapered disk. The middle shaft is installed with a bearing disk through a nut, and the bearing disk is connected to the fixed disk through a middle square hole.

[0006] The present invention has many crimping heads, the speed change of the inner tapered disk driven by the screw pair is small, the joint can be extruded evenly and tightly; the action area of the crimping head is small, which can generate greater pressure and can crimp metal sheets with high strength; the bearing disk is convenient to replace to adapt to hoses with different pipe diameters. Description of the Drawings

[0007] Figure 1 It is the A-A cross-sectional view of the present invention.

[0008] Figure 2 It is the side view of the present invention.

[0009] In the figure: 1 - frame; 2 - roller; 3 - handle; 4 - slider; 5 - screw; 6 - bearing disk; 7 - nut; 8 - middle shaft; 9 - fixed disk 10 - spring; 11 - crimping head; 12 - inner tapered disk; 13 - turntable Detailed implementation mode

[0010] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0011] Embodiment

[0012] As Figure 1 、 Figure 2 shown, the present invention includes a frame 1, rollers 2, a handle 3, a slider 4, a screw 5, a bearing plate 6, a nut 7, an intermediate shaft 8, a fixed plate 9, a spring 10, a pressing head 11, an inner tapered disk 12 and a turntable 13. Six rollers 2 are evenly installed in the inner surface groove of the frame 1, and the rollers 2 are fitted in the grooves of the turntable 13, making the turntable 13 rotate smoothly. A handle 3 is provided on the outer side of the turntable 13. The turntable 13 has internal threads that mesh with the external threads on the outer surface of the inner tapered disk 12 to achieve screw pair transmission. There is a chute in the center of the inner tapered disk that cooperates with the slider 4 on the intermediate shaft 8, and the inner tapered disk 12 slides left and right along the slider 4. The fixed plate 9 is connected to the frame 1 by screws 5. The center of the fixed plate 9 is a square hole that cooperates with the square shaft section of the intermediate shaft 8 to support the intermediate shaft 8. 45 round holes are evenly distributed on the circumference of the fixed plate 9. The pressing heads 11 with springs 10 are installed in the round holes. The top of the pressing head 11 contacts the inner tapered surface of the inner tapered disk 12 to achieve the movement of the tapered surface to squeeze the pressing head 11. A bearing plate 6 is installed on the side of the fixed plate 9 on the intermediate shaft 8, and a nut 7 is installed at the left end of the intermediate shaft 8 to achieve axial positioning.

[0013] The use process of the present invention is as follows: Select a suitable bearing plate 6 according to the pipe diameter and install it on the intermediate shaft 8. Insert the hose head to be crimped onto the bearing plate 6. Rotate the handle 3 to make the turntable 13 rotate. The turntable 13 pushes the inner tapered disk 12 to the left through the screw pair. The inner tapered surface of the inner tapered disk 12 squeezes the pressing head 11 in the fixed plate 9 to move inward, thereby squeezing the hose joint on the bearing plate 6. After squeezing to the appropriate degree, rotate the handle 3 in the reverse direction, the inner tapered disk 12 slides in the reverse direction, and the pressing head 11 returns to its original position under the action of the spring 10, and the hose joint exits.

[0014] The above is only one of the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the use principle of the present invention, several modifications and improvements can also be made, which should also be regarded as the protection scope of the present invention.

Claims

1. A hose joint crimping device, comprising a frame (1), characterized in that: (1) A fixed disk (9) is further installed on the frame (1), and a central shaft (8) is installed through the square hole in the middle of the fixed disk (9). Six rollers (2) are evenly installed on the inner surface of the frame (1), and the rollers (2) are fitted on the outer circumference of the turntable (13); (2) The turntable (13) is engaged with the inner conical disk (12) through internal threads, and the inner conical disk (12) can slide left and right on the slider (4) of the middle shaft (8); (3) Pressing heads (11) with evenly spaced intervals are installed around the fixed disk (9), and the top of the pressing head (11) is in contact with the inner conical surface of the inner conical disk (12).

2. The hose joint crimping device according to claim 1, characterized in that: The middle shaft (8) is installed with a bearing plate (6) through a nut (7), and the bearing plate (6) is connected to the fixed disk (9) through a middle square hole.

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