Large-flow oil nozzle extrusion tool

Abstract

A second shoulder is arranged on the side face of the oil nozzle, a middle hole and a side hole are formed in the first end of the oil nozzle, and the second end of the side hole is communicated with the middle hole. The extrusion tool comprises a connecting piece which is of a hollow structure and sleeves the first end of the oil nozzle, and the connecting piece comprises a first shoulder part which is arranged on the side face of the connecting piece and corresponds to the side hole in position; the cap body is of a hollow structure and is arranged on the outer side of the second end of the connecting piece in a threaded sleeving manner; wherein the connecting piece, the cap body and the oil nozzle are coaxially arranged, the oil nozzle penetrates through the cap body, the cap body and the connecting piece are screwed tightly, the first end of the oil nozzle is arranged in the connecting piece in a sleeved mode to limit circumferential movement of the oil nozzle, the oil nozzle penetrates through the cap body and the cap body and the connecting piece are screwed tightly, the second shoulder abuts against the inner side of the cap body, the first shoulder abuts against the first end of the oil nozzle, a side hole is sealed, and the oil nozzle is clamped and fixed. Axial movement of the oil nozzle is limited, the extrusion equipment extrudes the grinding materials to sequentially pass through the interior of the connecting piece, the middle hole and the spraying hole, and the purpose of removing burrs of the spraying hole is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of oil nozzles, in particular to an extrusion tooling for large-flow oil nozzles. Background Art

[0002] Large flow nozzles are mainly used in marine engines. The first end of the nozzle has a middle hole and a side hole, and the second end has a spray hole in the outer ring. The valve stem is placed in the middle hole, and the side hole is connected to the middle hole. The pressure oil enters the middle hole through the side hole and then sprays out from the spray hole. Due to the large size and flow of the nozzle, it is necessary to design an extrusion tool to fix the nozzle on the extrusion equipment and ensure that the plasticine-like liquid particle grinding abrasive can be squeezed through the middle hole and the spray hole to achieve the purpose of removing the burrs of the spray hole.

[0003] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of the present disclosure, and therefore may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0004] In view of the deficiencies in the prior art, the embodiment of the utility model discloses a large-flow nozzle extrusion tooling to meet the above-mentioned needs.

[0005] The technical solution adopted by the utility model is as follows:

[0006] A large-flow oil nozzle extrusion tool is used for the oil nozzle, the side of the oil nozzle has a second shoulder, the first end is provided with a middle hole and a side hole, the second end of the side hole is connected to the middle hole; the extrusion tool comprises: a connecting piece, which is a hollow structure, sleeved on the outside of the first end of the oil nozzle, comprising: a first shoulder, arranged on the side of the connecting piece, and the position corresponds to the side hole; a cap body, which is a hollow structure, threadedly sleeved on the outside of the second end of the connecting piece; wherein the connecting piece, the cap body and the oil nozzle are coaxially arranged, the oil nozzle passes through the cap body, the cap body is screwed to the connecting piece, the second shoulder abuts against the inside of the cap body, and the first shoulder abuts against the first end of the oil nozzle and closes the side hole.

[0007] A further technical solution is that the connecting member includes: a first cylinder and a second cylinder, which are coaxially arranged with the oil nozzle; a first ring body, which is vertically connected between the second end of the first cylinder and the first end of the second cylinder; wherein the first ring body is parallel to the first end of the oil nozzle, and the first end of the oil nozzle is sleeved in the second cylinder.

[0008] A further technical solution is that the cap body includes: a third cylinder, coaxially arranged with the oil nozzle; a second ring body, vertically connected to the second end of the third cylinder and parallel to the second shoulder; a through hole, opened in the middle of the second ring body; wherein the oil nozzle passes through the through hole, and the second shoulder abuts against the second ring body.

[0009] A further technical solution is that the inner side of the third cylinder has a first thread, and the outer side of the second cylinder has a second thread matching the first thread.

[0010] A further technical solution is that the first end of the connecting piece is connected to an extrusion device, and the extrusion device pumps abrasive to the extrusion tooling, and the extrusion pressure is 10 MPa.

[0011] A further technical solution is that the extrusion equipment has an extrusion port, and the first cylinder is threadedly connected to the extrusion port.

[0012] A further technical solution is that a spray hole is arranged in a ring shape on the side surface of the second end of the oil nozzle, and the spray hole is connected to the middle hole.

[0013] A further technical solution is that the abrasive particle size is 0.6 mm, the inner diameter of the first cylinder is 4 mm, and the diameter of the spray hole is 0.78 mm.

[0014] The beneficial effects of the embodiments of the utility model are as follows:

[0015] The utility model discloses a large flow oil nozzle extrusion tool, comprising a connecting piece and a cap body, wherein the first end of the oil nozzle is sleeved in the connecting piece to limit the circumferential movement of the oil nozzle, the oil nozzle passes through the cap body, the cap body and the connecting piece are screwed tightly, the second shoulder abuts against the inner side of the cap body, the first shoulder abuts against the first end of the oil nozzle and closes the side hole, the oil nozzle is clamped and fixed, and the axial movement of the oil nozzle is limited. The extrusion equipment extrude abrasives through the inside of the connecting piece, the middle hole and the spray hole in sequence, so as to achieve the purpose of removing the burrs of the spray hole. At the same time, since the side hole is closed, the pressure is stable during extrusion and the flow coefficient is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a large flow nozzle extrusion tooling of the utility model.

[0017] Figure 2 It is a structural schematic diagram of the oil nozzle in the large-flow oil nozzle extrusion tooling of the utility model.

[0018] Figure 3 It is a structural schematic diagram of the connecting parts in the large flow nozzle extrusion tooling of the utility model.

[0019] Figure 4 It is a structural schematic diagram of the cap body in the large-flow oil nozzle extrusion tooling of the utility model.

[0020] In the figure:

[0021] 1. Connecting piece; 11. First cylinder; 111. Third thread; 12. Second cylinder; 121. Second thread; 13. First ring; 2. Cap; 21. Third cylinder; 211. First thread; 22. Second ring; 23. Through hole; 3. Oil nozzle; 31. Middle hole; 32. Side hole; 33. Spray hole; 34. Second shoulder. DETAILED DESCRIPTION

[0022] The specific implementation of the present utility model is described below in conjunction with the accompanying drawings.

[0023] In order to make the purpose, technical scheme and advantages of the utility model clearer, the device proposed in the utility model is further described in detail below in combination with the accompanying drawings and specific implementation methods. According to the following description, the advantages and features of the utility model will be clearer. It should be noted that the accompanying drawings adopt a very simplified form and use non-precise proportions, which are only used to conveniently and clearly assist in explaining the purpose of the implementation method of the utility model. In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, please refer to the accompanying drawings. It should be noted that the structure, proportion, size, etc. illustrated by the accompanying drawings of this specification are only used to match the content disclosed in the specification, so that people familiar with this technology can understand and read, and are not used to limit the limiting conditions for the implementation of the utility model, so it has no technical substantive significance. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effect that the utility model can produce and the purpose that can be achieved, should still fall within the scope of the technical content disclosed by the utility model.

[0024] Example:

[0025] This embodiment discloses a large flow nozzle extrusion tool.

[0026] Figure 1 It is a structural schematic diagram of a large flow nozzle extrusion tooling of the utility model. Figure 2 This is a schematic diagram of the structure of the oil nozzle in the large flow oil nozzle extrusion tooling of the utility model. Figure 1 and Figure 2 As shown, a large flow nozzle extrusion tool is used for a nozzle 3, the nozzle 3 has a second shoulder 34 on its side, a center hole 31 and a side hole 32 are provided at the first end, and the second end of the side hole 32 is connected to the center hole 31. A spray hole 33 is provided in an annular shape on the side of the second end of the nozzle 3, and the spray hole 33 is connected to the center hole 31. Exemplarily, the center hole 31 is provided along the axis of the nozzle 3, the first end of the side hole 32 is provided obliquely around the center hole 31, and the second end is connected to the center hole 31. There are 10 spray holes 33.

[0027] The extrusion tooling comprises a connecting piece 1 and a cap body 2.

[0028] Figure 3 This is a schematic diagram of the structure of the connecting parts in the large flow nozzle extrusion tooling of the utility model. Figure 1 and Figure 3 As shown, the connector 1 is a hollow structure, which is sleeved on the outside of the first end of the oil nozzle 3, and includes a first shoulder. The first shoulder is arranged on the side of the connector 1, and the position corresponds to the side hole 32. Exemplarily, the connector 1 includes a first cylinder 11, a second cylinder 12 and a first ring body 13. The first cylinder 11 and the second cylinder 12 are coaxially arranged with the oil nozzle 3, and the inner diameter and outer diameter of the first cylinder 11 are smaller than the inner diameter and outer diameter of the second cylinder 12. The first ring body 13 is vertically connected between the second end of the first cylinder 11 and the first end of the second cylinder 12. The first ring body 13 is parallel to the first end of the oil nozzle 3, and the first end of the oil nozzle 3 is sleeved in the second cylinder 12 to limit the circumference of the oil nozzle 3. The first ring body 13 and the second cylinder 12 together constitute the first shoulder.

[0029] Figure 4 This is a schematic diagram of the structure of the cap body in the large flow nozzle extrusion tooling of the utility model. Figure 1 and Figure 4 As shown, the cap body 2 is a hollow structure, and a threaded sleeve is arranged on the outer side of the second end of the connecting member 1. Exemplarily, the connecting member 1, the cap body 2 and the nozzle 3 are coaxially arranged. The cap body 2 includes a third cylinder 21, a second ring body 22 and a through hole 23. The third cylinder 21 is coaxially arranged with the nozzle 3, and the second ring body 22 is vertically connected to the second end of the third cylinder 21 and is parallel to the second shoulder 34. The through hole 23 is opened in the middle of the second ring body 22. Among them, the nozzle 3 passes through the through hole 23, and the second shoulder 34 abuts against the second ring body 22. The inner side of the third cylinder 21 has a first thread 211, and the outer side of the second cylinder 12 has a second thread 121 that cooperates with the first thread 211.

[0030] Further, the first end of the connector 1 is connected to an extrusion device, and the extrusion device pumps abrasive to the extrusion tooling, and the extrusion force is 10Mpa. Exemplarily, the extrusion device uses a commercially available abrasive extruder, and the extrusion device has an extrusion port, and the outer side of the first cylinder 11 has a third thread 111, and the first cylinder 11 is threadedly connected to the extrusion port. The abrasive particle size is 0.6mm, the inner diameter of the first cylinder 11 is 4mm, and the aperture of the spray hole 33 is 0.78mm, all of which can pass the abrasive.

[0031] In this embodiment, the first end of the oil nozzle 3 is sleeved in the connecting member 1 to limit the circumferential movement of the oil nozzle 3, the oil nozzle 3 passes through the cap body 2, the cap body 2 and the connecting member 1 are screwed together, the second shoulder 34 abuts the inner side of the cap body 2, the first shoulder abuts the first end of the oil nozzle 3 and closes the side hole 32, the oil nozzle 3 is clamped and fixed, and the axial movement of the oil nozzle 3 is limited. The extrusion equipment extrude the abrasive through the inside of the connecting member 1, the middle hole 31 and the spray hole 33 in turn, so as to achieve the purpose of removing the burrs of the spray hole 33. At the same time, since the side hole 32 is closed, the pressure is stable during extrusion and the flow coefficient is high.

[0032] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0033] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. Large flow nozzle extrusion tooling, characterized by: Used for an oil nozzle, the oil nozzle side has a second shoulder, a first end is provided with a central hole and a side hole, and the second end of the side hole is connected to the central hole; The extrusion tooling includes: a connecting piece, which is a hollow structure and is sleeved on the outer side of the first end of the oil nozzle, including: A first shoulder portion, arranged on a side surface of the connecting member, and located corresponding to the side hole; The cap body is a hollow structure and is threadedly sleeved on the outer side of the second end of the connector; The connecting piece, the cap body and the oil nozzle are coaxially arranged, the oil nozzle passes through the cap body, the cap body is screwed to the connecting piece, the second shoulder abuts against the inner side of the cap body, and the first shoulder abuts against the first end of the oil nozzle and closes the side hole.

2. The large flow nozzle extrusion tooling according to claim 1 is characterized in that: The connecting member comprises: a first cylinder and a second cylinder, which are coaxially arranged with the oil nozzle; A first ring body, vertically connected between the second end of the first cylinder body and the first end of the second cylinder body; Wherein, the first ring body is parallel to the first end of the oil nozzle, and the first end of the oil nozzle is sleeved in the second cylinder body.

3. The large flow nozzle extrusion tooling according to claim 2 is characterized in that: The cap body comprises: A third cylinder is coaxially arranged with the oil nozzle; A second ring body, vertically connected to the second end of the third cylinder and parallel to the second shoulder; A through hole is provided in the middle of the second ring body; Wherein, the oil nozzle passes through the through hole, and the second shoulder abuts against the second ring body.

4. The large flow nozzle extrusion tooling according to claim 3 is characterized in that: The inner side of the third cylinder has a first thread, and the outer side of the second cylinder has a second thread matching the first thread.

5. The large flow nozzle extrusion tooling according to claim 2 is characterized in that: The first end of the connecting piece is connected to an extrusion device, and the extrusion device pumps abrasive to the extrusion tooling, and the extrusion pressure is 10Mpa.

6. The large flow nozzle extrusion tooling according to claim 5 is characterized in that: The extrusion device has an extrusion port, and the first cylinder is threadedly connected to the extrusion port.

7. The large flow nozzle extrusion tooling according to claim 5 is characterized by: A spray hole is annularly arranged on the side surface of the second end of the oil nozzle, and the spray hole is communicated with the middle hole.

8. The large flow nozzle extrusion tooling according to claim 7 is characterized in that: The abrasive particle size is 0.6 mm, the inner diameter of the first cylinder is 4 mm, and the aperture of the spray hole is 0.78 mm.

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