Cold extrusion device for steel pipe fitting

Abstract

The utility model discloses a steel pipe cold extrusion device which comprises a connecting bottom plate and an extrusion device, the extrusion device is fixedly arranged on the upper end face of the connecting bottom plate, a mini air cylinder is fixedly arranged at the position, close to the front portion, of the inner end face of the extrusion device, and a guide push rod is fixedly arranged on the front end face of the mini air cylinder; and the fixed sliding seat is clamped at the front part of the extrusion device in a sliding manner. By arranging the extrusion device, when a steel pipe is subjected to extrusion machining, a mini air cylinder can automatically drive the steel pipe to carry out accurate feeding operation through a guide push rod and a positioning shaft sleeve, and meanwhile a press-fit air cylinder can drive an air cylinder clamping base to carry out secondary positioning through a guide shaft push rod; and the extrusion air cylinder can automatically extrude and shape the tail part of the steel pipe through the shaping punch, so that the shaping efficiency and accuracy of the steel pipe are effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe fitting equipment, in particular to a steel pipe fitting cold extrusion device. Background Art

[0002] Steel pipe fittings are usually made of high-quality steel, have high strength and load-bearing capacity, and can withstand greater pressure and weight. Steel pipe fittings are widely used in the connection and support of pipeline systems in the fields of construction, petroleum, chemical industry, electric power, etc., providing reliable protection for various projects.

[0003] However, the existing steel pipe fittings have insufficient accuracy and stability in automatic positioning and shaping during cold extrusion shaping, which reduces the efficiency of the equipment in processing steel pipes. Therefore, a steel pipe fitting cold extrusion device is urgently needed to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a cold extrusion device for steel pipe fittings to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: a cold extrusion device for steel pipe fittings, comprising a connecting bottom plate,

[0006] An extrusion device, wherein the extrusion device is fixedly arranged on the upper end surface of the connecting bottom plate, and a mini cylinder is fixedly arranged near the front of the inner end surface of the extrusion device, and a guide push rod is fixedly arranged on the front end surface of the mini cylinder;

[0007] A fixed slide, the fixed slide is slidably engaged at the front of the extrusion device, and the fixed slide is fixedly engaged with the guide push rod, and a positioning sleeve is arranged at the rear center of the fixed slide;

[0008] A steel pipe is fixedly connected to the outer end surface of the guide push rod.

[0009] Preferably, the extrusion device includes a supporting base, the upper end surface of the supporting base is symmetrically provided with a guide slide groove, the rear part of the supporting base is symmetrically provided with a connecting side plate, the rear part of the two groups of the connecting side plates is fixedly provided with a pressing cylinder, and the front part of the pressing cylinder is symmetrically provided with a guide shaft push rod, the front part of the two groups of the guide shaft push rods is fixedly provided with a cylinder seat, and the rear part of the cylinder seat is fixedly provided with an extrusion cylinder, and a shaping punch is fixedly provided at the center of the front end surface of the extrusion cylinder.

[0010] Preferably, the fixed slide is slidably engaged with the upper end surface of the support base through the guide slide groove, which can effectively improve the stability of subsequent sliding of the fixed slide on the upper part of the support base.

[0011] Preferably, the shaping punch, steel pipe and guide push rod are all coaxially arranged, which can improve the stability of subsequent positioning and extrusion shaping.

[0012] Preferably, the inner end surface of the positioning sleeve is slidably engaged with the steel pipe, which facilitates the subsequent rapid and accurate coaxial positioning of the steel pipe and improves the stability of the subsequent extrusion shaping of the steel pipe.

[0013] Preferably, the guide shaft push rod is slidably engaged with the interior of the connecting side plate, which can provide sufficient positioning basis for subsequent extrusion cylinder extrusion.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. The utility model is provided with an extrusion device. When the steel pipe is extruded, the mini cylinder can automatically drive the steel pipe to perform precise feeding operation through the guide push rod and the positioning sleeve. At the same time, the pressing cylinder can drive the cylinder holder to perform secondary positioning through the guide shaft push rod. The extrusion cylinder can automatically extrude and shape the tail of the steel pipe through the shaping punch, which effectively improves the efficiency and accuracy of steel pipe shaping. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a disassembled diagram of the main body of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the main body of the utility model;

[0018] Figure 3 This is a disassembled diagram of the extrusion device of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the extrusion device of the utility model.

[0020] In the figure: 1-connecting base plate, 2-mini cylinder, 3-guide push rod, 4-fixed slide, 5-positioning sleeve, 6-extrusion device, 7-steel pipe, 61-connecting side plate, 62-extrusion cylinder, 63-shaping punch, 64-guide slide, 65-support base, 66-cylinder holder, 67-guide shaft push rod, 68-pressing cylinder. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 The utility model provides an embodiment: a cold extrusion device for steel pipe fittings, comprising a connecting bottom plate 1,

[0023] An extrusion device 6 is fixedly arranged on the upper end surface of the connecting bottom plate 1, and a mini cylinder 2 is fixedly arranged near the front of the inner end surface of the extrusion device 6, and a guide push rod 3 is fixedly arranged on the front end surface of the mini cylinder 2;

[0024] A fixed slide 4, the fixed slide 4 is slidably engaged at the front of the extrusion device 6, and the fixed slide 4 is fixedly engaged with the guide push rod 3, and a positioning sleeve 5 is arranged at the rear center of the fixed slide 4;

[0025] The steel pipe 7 is fixedly clamped on the outer end surface of the guide push rod 3.

[0026] The extrusion device 6 includes a support base 65, the upper end surface of the support base 65 is symmetrically provided with a guide slide groove 64, and the rear part of the support base 65 is symmetrically provided with a connecting side plate 61, and the rear part of the two groups of connecting side plates 61 is fixedly provided with a pressing cylinder 68, and the front part of the pressing cylinder 68 is symmetrically provided with a guide shaft push rod 67, and the front part of the two groups of guide shaft push rods 67 is fixedly provided with a cylinder holder 66, and the rear part of the cylinder holder 66 is fixedly provided with an extrusion cylinder 62, and the center of the front end surface of the extrusion cylinder 62 is fixedly provided with a shaping punch 63.

[0027] The fixed slide 4 is slidably engaged with the upper end surface of the support base 65 through the guide slide groove 64 , which can effectively improve the stability of the subsequent sliding of the fixed slide 4 on the upper part of the support base 65 .

[0028] The shaping punch 63, the steel pipe 7 and the guide push rod 3 are all coaxially arranged, which can improve the stability of subsequent positioning and extrusion shaping.

[0029] The inner end surface of the positioning sleeve 5 is slidably engaged with the steel pipe 7 , which facilitates the subsequent rapid and accurate coaxial positioning of the steel pipe 7 and improves the stability of the subsequent extrusion shaping of the steel pipe 7 .

[0030] The guide shaft push rod 67 is slidably engaged with the interior of the connecting side plate 61 , which can provide sufficient positioning basis for subsequent extrusion by the extrusion cylinder 62 .

[0031] Working principle: When positioning and installing the steel pipe 7, the user can guide the steel pipe 7 between the guide push rod 3 and the positioning sleeve 5 through the external feeding module, and then complete the locking operation of the steel pipe 7. Then the mini cylinder 2 can drive the guide push rod 3 and the fixed slide 4 to move forward synchronously, so that the guide push rod 3 and the positioning sleeve 5 can guide the locked steel pipe 7 to the front. When the steel pipe 7 is introduced to the coaxial center of the shaping punch 63, the pressing cylinder 68 can drive the guide shaft push rod 67 forward, and the guide shaft push rod 67 can drive the cylinder holder 66 forward, so that the shaping punch 63 at the front of the cylinder holder 66 is inserted into the tail of the steel pipe 7. At this time, the extrusion cylinder 62 can drive the shaping punch 63 forward, and then extrude and shape the tail of the steel pipe 7. After completion, the extrusion cylinder 62 drives the shaping punch 63 to reset, and at the same time the mini cylinder 2 drives the fixed slide 4 and the steel pipe 7 to reset.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cold extrusion device for steel pipe fittings, comprising a connecting base plate (1), characterized in that: An extrusion device (6), the extrusion device (6) is fixedly arranged on the upper end surface of the connecting base plate (1), and a mini cylinder (2) is fixedly arranged at the inner end surface of the extrusion device (6) near the front, and a guide push rod (3) is fixedly arranged at the front end surface of the mini cylinder (2); A fixed slide (4), the fixed slide (4) is slidably engaged at the front of the extrusion device (6), and the fixed slide (4) is fixedly engaged with the guide push rod (3), and a positioning sleeve (5) is arranged at the rear center of the fixed slide (4); A steel pipe (7), wherein the steel pipe (7) is fixedly clamped on the outer end surface of the guide push rod (3).

2. A cold extrusion device for steel pipe fittings according to claim 1, characterized in that: The extrusion device (6) comprises a support base (65), the upper end surface of the support base (65) is symmetrically provided with a guide slide groove (64), a connecting side plate (61) is symmetrically provided at the rear of the support base (65), a pressing cylinder (68) is fixedly provided at the rear of two groups of the connecting side plates (61), and a guide shaft push rod (67) is symmetrically provided at the front of the pressing cylinder (68), a cylinder holder (66) is fixedly provided at the front of the two groups of the guide shaft push rod (67), and an extrusion cylinder (62) is fixedly provided at the rear of the cylinder holder (66), and a shaping punch (63) is fixedly provided at the center of the front end surface of the extrusion cylinder (62).

3. A cold extrusion device for steel pipe fittings according to claim 2, characterized in that: The fixed slide seat (4) is slidably engaged with the upper end surface of the support base (65) through the guide slide groove (64).

4. A cold extrusion device for steel pipe fittings according to claim 2, characterized in that: The shaping punch (63), the steel pipe (7) and the guide push rod (3) are all coaxially arranged.

5. The cold extrusion device for steel pipe fittings according to claim 2, characterized in that: The inner end surface of the positioning sleeve (5) is slidably engaged with the steel pipe (7).

6. A cold extrusion device for steel pipe fittings according to claim 2, characterized in that: The guide shaft push rod (67) is slidably engaged with the interior of the connecting side plate (61).

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