Tube penetrating device for drawing stainless steel capillary tube for needle head

Abstract

The utility model relates to the technical field of drawing processing, in particular to a tube penetrating device for drawing processing of a stainless steel capillary tube for a needle head, which comprises a drawing cavity, a shell is hermetically mounted on the outer side of the drawing cavity, and the drawing cavity comprises a lubricating cavity, a first drawing area, a second drawing area and a third drawing area. The lubricating cavity is cylindrical, an oil outlet ring is connected into the lubricating cavity in a sliding mode, a positioning cover plate acting on the oil outlet ring is installed on one side of the shell, an oil conveying mechanism connected with the oil outlet ring is installed on the outer side of the shell, and a cooling cavity is formed between the shell and the drawing cavity. Cooling liquid is conveyed into the cooling cavity, and a plurality of stirring assemblies are installed on one side of the cooling cavity. The needle has the advantages that the oil outlet ring can be taken out to be cleaned and maintained by opening the positioning cover plate, the needle is convenient to use, and the production efficiency of the needle is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to drawing processing technical field, specifically point to a kind of needle for stainless steel capillary tube drawing processing with pipe penetrating device. BACKGROUND

[0002] Needle generally adopts drawing pipe penetrating device to process, the importance of needle drawing production lies in that it can significantly improve the mechanical properties and microstructure of needle, adapt to a variety of application scenarios, while reducing cost and improving production efficiency.

[0003] The existing needle for stainless steel capillary tube drawing processing with pipe penetrating device is usually provided with an oil outlet pipeline in the drawing cavity, and the oil outlet pipeline is connected with the oil delivery system to deliver lubricating oil to the oil outlet pipeline, so as to lubricate the capillary tube and prevent the capillary tube from being severely worn during drawing. However, the oil outlet pipeline is prone to be blocked after a long time of use, and the oil outlet pipeline is usually integrally arranged in the drawing cavity, which is not convenient for cleaning and maintenance, thereby reducing the production efficiency of the needle. UTILITY MODEL CONTENT

[0004] I. Technical problems to be solved

[0005] The technical problem to be solved by the utility model is that the oil outlet pipeline in the existing needle for stainless steel capillary tube drawing processing with pipe penetrating device is prone to be blocked after a long time of use, which is not convenient for cleaning and maintenance, thereby reducing the production efficiency of the needle.

[0006] II. Technical scheme

[0007] To solve the above technical problems, the utility model provides a technical scheme of a needle for stainless steel capillary tube drawing processing with pipe penetrating device, which comprises a drawing cavity, a shell is sealingly arranged outside the drawing cavity, the drawing cavity comprises a lubricating cavity, a first drawing zone, a second drawing zone and a third drawing zone, the lubricating cavity is cylindrical and internally slidably connected with an oil outlet ring, a positioning cover plate acting on the oil outlet ring is arranged on one side of the shell, an oil delivery mechanism connected with the oil outlet ring is arranged outside the shell, a cooling cavity is arranged between the shell and the drawing cavity, and cooling liquid is delivered in the cooling cavity and a plurality of stirring assemblies are arranged on one side of the cooling cavity.

[0008] Further, the first drawing zone and the third drawing zone are both cylindrical, the second drawing zone is conical, the inner diameter of the first drawing zone is greater than that of the third drawing zone, and a plurality of annular liquid inlet grooves are arranged outside the drawing cavity.

[0009] Further, the oil outlet ring is hollow and has an inner diameter greater than that of the first drawing zone, and a plurality of annular equidistant oil outlet holes are arranged inside the oil outlet ring.

[0010] Further, the oil delivery mechanism comprises an oil delivery pump and an oil tank which are communicated with each other and are installed on the upper end of the shell, and an oil delivery pipe is connected to the output end of the oil delivery pump and passes through the positioning cover plate and is connected with the oil outlet ring.

[0011] Further, the positioning cover plate comprises a mortgage ring which is in sliding fit with the lubricating cavity and is in contact with the oil outlet ring, the inner diameter of the mortgage ring is consistent with the inner diameter of the first drawing area, one end of the mortgage ring is provided with a connecting ring plate which is bolted with the shell, and the positioning cover plate is provided with a gap through which the oil delivery pipe passes.

[0012] Further, the shell is respectively connected with a liquid inlet pipe and a liquid outlet pipe on both sides.

[0013] Further, the stirring assembly comprises a motor which is installed at one end of the shell, the motor is drivingly connected with a rotating shaft which is connected with a bearing on the side wall of the shell, and a plurality of stirring blades are installed on the rotating shaft.

[0014] III. Advantages

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. The oil delivery mechanism is used for delivering lubricating oil to the oil outlet ring, the oil outlet ring is used for lubricating when the stainless steel capillary tube is drawn, the positioning cover plate is opened when the oil outlet ring needs to be maintained and cleaned, the oil outlet ring can be taken out for cleaning and maintenance, the production efficiency of the needle is improved, and the use is convenient.

[0017] 2. The stirring assembly is used for stirring the cooling liquid in the cooling cavity, the contact area between the drawing cavity and the cooling liquid is increased by the plurality of annular liquid inlet grooves arranged on the outer side of the drawing cavity, and the cooling efficiency of the drawing cavity is improved. DRAWINGS

[0018] Figure 1 It is the overall internal structure diagram of the utility model.

[0019] Figure 2 It is the overall explosion structure diagram of the utility model.

[0020] Figure 3 It is the drawing cavity section structure diagram of the utility model.

[0021] Figure 4 It is the oil delivery mechanism structure diagram of the utility model.

[0022] Figure 5 It is the positioning cover plate structure diagram of the utility model.

[0023] Figure 6 It is the stirring assembly structure diagram of the utility model.

[0024] As shown in the figure: 1, drawing cavity; 101, lubricating cavity; 102, first drawing area; 103, second drawing area; 104, third drawing area; 105, annular liquid inlet groove; 2, shell; 201, cooling cavity; 3, oil outlet ring; 301, oil outlet hole; 4, positioning cover plate; 401, mortgage ring; 402, connecting ring plate; 403, notch; 5, oil conveying mechanism; 6, stirring assembly; 7, oil conveying pump; 8, oil tank; 9, oil conveying pipe; 10, liquid inlet pipe; 11, liquid outlet pipe; 12, motor; 13, rotating shaft; 14, stirring fan blade. DETAILED DESCRIPTION

[0025] In order to make the technical problems, technical schemes and beneficial effects of the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and examples, and it should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0026] Example one

[0027] In combination with the drawings Figure 1 , the drawings Figure 2 , a needle stainless steel capillary tube drawing processing pipe penetrating device, including drawing cavity 1, the drawing cavity 1 outside sealing installation has shell 2, the drawing cavity 1 includes lubricating cavity 101, first drawing area 102, second drawing area 103, third drawing area 104, the lubricating cavity 101 is cylindrical and is slidably connected with oil outlet ring 3 in the inside, the shell 2 one side is installed with the positioning cover plate 4 that acts on oil outlet ring 3, the shell 2 outside installation has with the oil conveying mechanism 5 that oil outlet ring 3 is connected, the shell 2 with drawing cavity 1 interval is equipped with cooling cavity 201, the cooling cavity 201 inside delivery has cooling liquid and one side is installed with a plurality of stirring assemblies 6.

[0028] In combination with the above structure, the oil conveying mechanism 5 is used to deliver lubricating oil to the oil outlet ring 3, and the oil outlet ring 3 is used to lubricate the stainless steel capillary tube during drawing. When it is necessary to maintain and clean the oil outlet ring 3, the oil outlet ring 3 can be taken out for cleaning by opening the positioning cover plate 4, which is convenient to use and improves the production efficiency of the needle.

[0029] In combination with the drawings Figure 3 , the first drawing area 102, the third drawing area 104 are cylindrical, the second drawing area 103 is conical, the inside diameter of the first drawing area 102 is greater than the inside diameter of the third drawing area 104, and the drawing cavity 1 is provided with a plurality of annular liquid inlet grooves 105 outside.

[0030] In combination with the above structure, the stainless steel capillary tube is drawn through the lubricating cavity 101, the first drawing area 102, the second drawing area 103, and the third drawing area 104 from left to right, the contact area between the drawing cavity 1 and the cooling liquid is increased by the annular liquid inlet grooves 105 arranged on the outer side of the drawing cavity 1, and the cooling efficiency of the drawing cavity 1 is increased.

[0031] In combination with the above structure, the stainless steel capillary tube is drawn through the lubricating cavity 101, the first drawing area 102, the second drawing area 103, and the third drawing area 104 from left to right, the contact area between the drawing cavity 1 and the cooling liquid is increased by the annular liquid inlet grooves 105 arranged on the outer side of the drawing cavity 1, and the cooling efficiency of the drawing cavity 1 is increased. Figure 4 , the oil outlet ring 3 is hollow, and the inner diameter is larger than the inner diameter of the first drawing area 102, a plurality of annular equidistant oil outlet holes 301 are arranged on the inner side of the oil outlet ring 3, which facilitates the discharge of lubricating oil onto the stainless steel capillary tube.

[0032] In combination with the above structure, the stainless steel capillary tube is drawn through the lubricating cavity 101, the first drawing area 102, the second drawing area 103, and the third drawing area 104 from left to right, the contact area between the drawing cavity 1 and the cooling liquid is increased by the annular liquid inlet grooves 105 arranged on the outer side of the drawing cavity 1, and the cooling efficiency of the drawing cavity 1 is increased. Figure 4 , the oil outlet ring 3 is hollow, and the inner diameter is larger than the inner diameter of the first drawing area 102, a plurality of annular equidistant oil outlet holes 301 are arranged on the inner side of the oil outlet ring 3, which facilitates the discharge of lubricating oil onto the stainless steel capillary tube.

[0033] In combination with the above structure, the oil feeding mechanism 5 is used, the lubricating oil in the oil tank 8 is extracted by the oil feeding pump 7, and the lubricating oil is fed to the oil outlet ring 3 through the oil feeding pipe 9, and the lubricating oil is discharged from the oil outlet ring 3 to lubricate the stainless steel capillary tube during drawing.

[0034] In combination with the above structure, the oil feeding mechanism 5 is used, the lubricating oil in the oil tank 8 is extracted by the oil feeding pump 7, and the lubricating oil is fed to the oil outlet ring 3 through the oil feeding pipe 9, and the lubricating oil is discharged from the oil outlet ring 3 to lubricate the stainless steel capillary tube during drawing. Figure 5 , the oil outlet ring 3 is hollow, and the inner diameter is larger than the inner diameter of the first drawing area 102, a plurality of annular equidistant oil outlet holes 301 are arranged on the inner side of the oil outlet ring 3, which facilitates the discharge of lubricating oil onto the stainless steel capillary tube.

[0035] In combination with the above structure, the oil feeding mechanism 5 is used, the lubricating oil in the oil tank 8 is extracted by the oil feeding pump 7, and the lubricating oil is fed to the oil outlet ring 3 through the oil feeding pipe 9, and the lubricating oil is discharged from the oil outlet ring 3 to lubricate the stainless steel capillary tube during drawing.

[0036] In combination with the above structure, the oil feeding mechanism 5 is used, the lubricating oil in the oil tank 8 is extracted by the oil feeding pump 7, and the lubricating oil is fed to the oil outlet ring 3 through the oil feeding pipe 9, and the lubricating oil is discharged from the oil outlet ring 3 to lubricate the stainless steel capillary tube during drawing. Figure 6 , the oil outlet ring 3 is hollow, and the inner diameter is larger than the inner diameter of the first drawing area 102, a plurality of annular equidistant oil outlet holes 301 are arranged on the inner side of the oil outlet ring 3, which facilitates the discharge of lubricating oil onto the stainless steel capillary tube.

[0037] In combination with the above structure, the oil feeding mechanism 5 is used, the lubricating oil in the oil tank 8 is extracted by the oil feeding pump 7, and the lubricating oil is fed to the oil outlet ring 3 through the oil feeding pipe 9, and the lubricating oil is discharged from the oil outlet ring 3 to lubricate the stainless steel capillary tube during drawing. Figure 6 , the oil outlet ring 3 is hollow, and the inner diameter is larger than the inner diameter of the first drawing area 102, a plurality of annular equidistant oil outlet holes 301 are arranged on the inner side of the oil outlet ring 3, which facilitates the discharge of lubricating oil onto the stainless steel capillary tube.

[0038] In combination with the above structure, the oil feeding mechanism 5 is used, the lubricating oil in the oil tank 8 is extracted by the oil feeding pump 7, and the lubricating oil is fed to the oil outlet ring 3 through the oil feeding pipe 9, and the lubricating oil is discharged from the oil outlet ring 3 to lubricate the stainless steel capillary tube during drawing.

[0039] The specific use method is as follows:

[0040] The stainless steel capillary is drawn through the lubricating cavity 101, the first drawing area 102, the second drawing area 103 and the third drawing area 104 from left to right, the lubricating oil is transported to the oil outlet ring 3 through the oil conveying mechanism 5, the oil outlet ring 3 is used for lubricating the stainless steel capillary during drawing, the cooling liquid in the cooling cavity 201 is stirred through the stirring assembly 6, the contact area of the drawing cavity 1 and the cooling liquid is increased by arranging a plurality of annular liquid inlet grooves 105 on the outer side of the drawing cavity 1, and the cooling efficiency of the drawing cavity 1 is increased, when the oil outlet ring 3 needs to be maintained and cleaned, the oil outlet ring 3 can be taken out for cleaning by opening the positioning cover plate 4, the use is convenient, and the production efficiency of the needle is improved.

[0041] The above describes the utility model and its implementation mode, and this description is not restrictive, and the drawings only show one of the implementation modes of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, similar structural modes and embodiments are not creatively designed, which should belong to the protection scope of the utility model.

Claims

1. A tube-piercing device for drawing stainless steel capillary tubes for needles, comprising a drawing cavity (1), wherein a housing (2) is sealed and installed on the outside of the drawing cavity (1), characterized in that: The drawing chamber (1) includes a lubrication chamber (101), a first drawing zone (102), a second drawing zone (103), and a third drawing zone (104). The lubrication chamber (101) is cylindrical and has an oil outlet ring (3) slidably connected inside. A positioning cover plate (4) acting on the oil outlet ring (3) is installed on one side of the housing (2). An oil delivery mechanism (5) connected to the oil outlet ring (3) is installed on the outside of the housing (2). A cooling chamber (201) is provided between the housing (2) and the drawing chamber (1). Cooling liquid is delivered in the cooling chamber (201) and several stirring components (6) are installed on one side.

2. The needle-making stainless steel capillary tube drawing device according to claim 1, characterized in that: The first drawing area (102) and the third drawing area (104) are both cylindrical, the second drawing area (103) is conical, the inner diameter of the first drawing area (102) is larger than the inner diameter of the third drawing area (104), and the outer side of the drawing cavity (1) is provided with several annular liquid inlet grooves (105).

3. The needle-making stainless steel capillary tube drawing device according to claim 2, characterized in that: The oil outlet ring (3) is hollow and its inner diameter is larger than that of the inner diameter of the first drawing zone (102). The inner side of the oil outlet ring (3) is provided with a plurality of annular equidistant oil outlet holes (301).

4. The needle-making stainless steel capillary tube drawing device according to claim 2, characterized in that: The oil delivery mechanism (5) includes an oil pump (7) and an oil tank (8) installed on the upper end of the housing (2) and connected to each other. The output end of the oil pump (7) is connected to an oil delivery pipe (9) that passes through the positioning cover plate (4) and is connected to the oil outlet ring (3).

5. The needle-making stainless steel capillary tube drawing device according to claim 4, characterized in that: The positioning cover plate (4) includes a slidable engagement with the lubrication chamber (101) and contact with the oil outlet ring (3). The inner diameter of the slidable ring (401) is the same as the inner diameter of the first drawing zone (102). One end of the slidable ring (401) is provided with a connecting ring plate (402) that is bolted to the housing (2). The positioning cover plate (4) is provided with a notch (403) through which the oil pipe (9) passes.

6. The needle-making stainless steel capillary tube drawing device according to claim 1, characterized in that: The housing (2) is connected to an inlet pipe (10) and an outlet pipe (11) on both sides respectively.

7. The tube-threading device for drawing stainless steel capillary tubes for needles according to claim 1, characterized in that: The stirring assembly (6) includes a motor (12) installed at one end of the housing (2), the motor (12) drives a rotating shaft (13) connected to a bearing on the side wall of the housing (2), and a plurality of stirring blades (14) are installed on the rotating shaft (13).

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