Oil-proof structure for crochet needle of upper pulling machine

Abstract

The utility model discloses an upper pulling machine crochet needle oil-proof structure which comprises a milling notch formed in an upper pulling machine and a crochet needle rod connected to the milling notch in a penetrating mode, and further comprises a flexible oil scraping piece, the flexible oil scraping piece is provided with an open hole, the open hole tightly wraps the outer periphery of the crochet needle rod, and the flexible oil scraping piece is provided with an oil outlet. The flexible oil scraping sheet is clamped in the milling notch; the crochet hook rod protection sleeve is provided with a first through hole used for being connected with the crochet hook rod in a penetrating mode, and the crochet hook rod protection sleeve is fixedly connected to the outer side of the milling notch. According to the utility model, the flexible oil scraping sheet can move along with the crochet hook rod in the casing groove to prevent oil from splashing out, and is matched with the crochet hook protective sleeve for sealing to achieve a better sealing effect.

Description

Technical Field

[0001] This utility model relates to the field of footwear production equipment, and in particular to an oil-proof structure for the hook needle of a lasting machine. Background Technology

[0002] The existing lashing machine requires an oil pump to spray oil for lubrication during operation. The hook rod moves repeatedly along a certain trajectory, making it difficult to seal at the hook rod. The hook rod protective sleeve commonly used for oil prevention in existing lashing machines has poor sealing effect, resulting in a lot of oil leakage at the hook rod, which causes trouble for customers. Summary of the Invention

[0003] The purpose of this utility model is to overcome the above-mentioned defects in the prior art and provide an oil-proof structure for the hook needle of a slinging machine. It is equipped with a flexible oil scraper that can follow the movement of the hook needle rod and block oil from splashing out in the groove of the machine housing. It works in conjunction with the hook needle protective sleeve to achieve a better sealing effect.

[0004] To achieve the above objectives, this utility model provides an oil-proof structure for a hook needle on a stretching machine, including a milled groove on the stretching machine and a hook needle rod passing through the milled groove, and further comprising:

[0005] A flexible oil scraper, wherein the flexible oil scraper is provided with an opening, the opening tightly wraps around the outer periphery of the hook rod, and the flexible oil scraper is engaged in the milled groove;

[0006] A hook needle rod protective sleeve is provided with a first through hole for threading the hook needle rod, and the hook needle rod protective sleeve is fixed to the outside of the milled groove.

[0007] Furthermore, the opening includes a sealing lip with a diameter slightly smaller than that of the hook shank. This allows the sealing lip to fit tightly against the outer periphery of the hook shank, increasing the sealing effect.

[0008] Furthermore, the opening also includes a beveled cut connected to the sealing lip, the beveled cut gradually widening from the sealing lip towards the inner side of the flexible scraper. By providing the beveled cut, after the flexible scraper blocks the oil, the oil placed in the opening can slide down along the beveled cut to avoid accumulation in the opening, thereby reducing the risk of oil leakage.

[0009] Furthermore, the flexible scraper blade is made of polyurethane material. Using polyurethane allows the flexible scraper blade to have sufficient flexibility to swing with the hook rod, while also providing a good sealing effect to effectively prevent oil leakage.

[0010] Furthermore, a first mounting hole is provided on the outer side of the milled groove, and a second mounting hole matching the first mounting hole is provided on the hook rod protective sleeve. Providing mutually matching first and second mounting holes facilitates the installation of the hook rod protective sleeve.

[0011] Furthermore, the hook rod protective sleeve is provided with a sleeve portion, which is a hollow tubular structure, through which the hook rod passes. This protects the hook rod and prevents other debris from interfering with its operation.

[0012] Furthermore, the sleeve portion is generally elliptical in shape, providing sufficient space for swinging to accommodate the up-and-down movement of the hook rod.

[0013] Furthermore, the hook rod protective sleeve is provided with an outer edge, and the second mounting hole is provided on the outer edge. The outer edge facilitates the installation and removal of the hook rod protective sleeve, and can also assist in sealing the milled groove opening in conjunction with other components.

[0014] Furthermore, it also includes a sealing gasket, which is disposed between the hook rod protective sleeve and the outer side of the milled groove, and the sealing gasket has a third mounting hole that matches the second mounting hole. The milled groove is sealed by the sealing gasket.

[0015] Furthermore, it also includes a hook needle rod protective cover, which covers the outer edge and has a fourth mounting hole that matches the second mounting hole. The hook needle rod protective cover provides secondary protection for the outer edge and the sealing gasket, better ensuring its sealing and installation stability.

[0016] Compared with the prior art, the present invention has the following advantages: The present invention sets a flexible oil scraper on the oil-proof structure of the hook needle of the stretching machine. The flexible oil scraper can follow the movement of the hook needle rod and block the oil from splashing out in the groove of the machine housing. Combined with the hook needle protective sleeve for sealing, a better sealing effect can be achieved. During production operations, the better sealing effect can reduce the possibility of fabric contamination. For operators, the better sealing provides a better working environment. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the oil-proof structure of the hook needle of a board pulling machine according to this utility model;

[0019] Figure 2 yes Figure 1 A schematic diagram of the decomposition process;

[0020] Figure 3 This is a cross-sectional schematic diagram of the flexible oil scraper of this utility model;

[0021] Figure 4 This is a cross-sectional schematic diagram of the flexible oil scraper and hook rod assembly of this utility model.

[0022] The diagram includes:

[0023] 1. Strapping machine; 11. Milling groove; 111. First mounting hole; 12. Hook rod; 3. Flexible oil scraper; 31. Opening; 311. Sealing lip; 312. Bevel cut; 4. Hook rod protective sleeve; 41. First through hole; 42. Outer edge; 421. Second mounting hole; 5. Sealing gasket; 51. Third mounting hole; 6. Hook rod protective cover; 61. Fourth mounting hole. Detailed Implementation

[0024] The technical solution of this embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiment is one embodiment of the present invention, and not all embodiments thereof. Based on this embodiment of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0025] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0026] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second", such descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated.

[0027] Please see Figures 1 to 4 The present invention provides an oil-proof structure for the hook needle of a board pulling machine.

[0028] An oil-proof structure for a gusseting machine hook needle in this embodiment includes a milled groove 11 opened on the gusseting machine 1, a hook needle rod 12 passing through the milled groove 11, a flexible oil scraper 3, and a hook needle rod protective sleeve 4.

[0029] In this embodiment, the flexible scraper blade 3 is made of a soft material, preferably polyurethane (PU). Other soft and sealing materials such as rubber or silicone can also be used. An opening 31 is provided on the flexible scraper blade 3, and the opening 31 tightly wraps around the outer periphery of the hook rod 12. Specifically, as shown... Figure 3 and Figure 4 As shown, the opening 31 includes a sealing lip 311 and a bevel 312 connected to the sealing lip 311. The diameter of the sealing lip 311 is slightly smaller than the diameter of the hook rod 12. During assembly, the sealing lip 311 can fit tightly against the outer periphery of the hook rod 12, thereby increasing its sealing effect. The bevel 312 gradually expands from the sealing lip 311 towards the inner side of the flexible scraper 3. In this way, during operation, the flexible scraper 3 prevents oil from sliding down the bevel 312 and accumulating in the opening 31, thereby reducing the risk of oil leakage. During assembly, the flexible scraper 3 is inserted through the opening 31 into the set position of the hook rod 12. At this time, the sealing lip 311 will fit tightly against the outer periphery of the hook rod 12. Then, the flexible scraper 3 is snapped into the milled groove 11.

[0030] In this embodiment, the hook rod protective sleeve 4 is provided with a first through hole 41 for threading the hook rod 12. The hook rod protective sleeve 4 is fixed to the outside of the milled groove 11. Specifically, this embodiment also includes a sealing gasket 5 and a hook rod protective cover 6. The hook rod protective sleeve 4 is provided with a sleeve part. The sleeve part is an elliptical tube and a hollow tubular structure. The hook rod 12 passes through the sleeve part.

[0031] The hook rod protective sleeve 4 has an outer edge 42, a first mounting hole 111 on the outside of the milled groove 11, and a second mounting hole 421 on the outer edge 42 that matches the first mounting hole 111. A sealing gasket 5 is disposed between the hook rod protective sleeve 4 and the outside of the milled groove 11, and the sealing gasket 5 has a third mounting hole 51 that matches the second mounting hole 421. The hook rod protective cover 6 covers the outer edge 42, and a fourth mounting hole 61 on the hook rod protective cover 6 that matches the second mounting hole 421. Figure 2 As shown, during assembly, the hook rod protective cover 6 and the sealing gasket 5 are respectively provided with the front and rear sides of the outer edge 42. Then, the cylindrical head screws are passed through the fourth mounting hole 61, the second mounting hole 421, the third mounting hole 51 and the first mounting hole 111 in sequence to lock the hook rod protective cover 4 to the machine body to achieve a sealing and oil-proof effect.

[0032] Brief description of the working principle of this utility model: The hook rod 12 of this utility model, by providing a hook rod protective sleeve 4, a hook rod protective outer cover 6, and a sealing gasket 5, can protect the hook rod 12 while providing a good sealing and oil-proof effect. It also includes a flexible oil scraper 3, which is made of rubber with moderate hardness and has a central opening 31. Figure 4 As shown in the oblique cut 312 structure, in the working state, since the hook rod 12 moves in an oscillating motion, the casing of the stretching machine 1 must have a casing through hole for clearance. The lubrication of the stretching machine 1 is oil spray lubrication in the inner cavity of the casing. Oil may splash out and leak at the groove opening. Therefore, the flexible oil scraper 3 passes through the hook rod 12 and can move in the groove opening with the oscillation of the hook rod 12 to ensure that the oil splashed out of the casing is intercepted without affecting the movement of the hook rod 12. The sealing lip 311 of the flexible oil scraper 3 adopts the shape of the oblique cut 312, which is similar to the trimmed surface structure of an oil seal. Polyurethane has good elasticity and the diameter of the sealing lip 311 is slightly smaller than the diameter of the hook rod 12. A sealing contact line can be formed between the sealing lip and the hook rod 12 to ensure that the oil will not seep out along the hook rod 12, thereby achieving a good sealing and oil leakage prevention effect.

[0033] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A hook needle oil-proof structure for a stretching machine, comprising a milled slot (11) formed on a stretching machine (1) and a hook needle rod (12) passing through the milled slot (11), characterized in that, Also includes: A flexible oil scraper (3) is provided with an opening (31), the opening (31) tightly wraps the outer periphery of the hook rod (12), and the flexible oil scraper (3) is snapped into the milled groove (11); The hook rod protective sleeve (4) is provided with a first through hole (41) for passing through the hook rod (12), and the hook rod protective sleeve (4) is fixed to the outside of the milled groove (11).

2. The anti-oil structure for the hook needle of a stretching machine according to claim 1, characterized in that, The opening (31) includes a sealing lip (311) with a diameter slightly smaller than that of the hook bar (12).

3. The anti-oil structure for the hook needle of a stretching machine according to claim 2, characterized in that, The opening (31) also includes a bevel (312) connected to the sealing lip (311), the bevel (312) gradually expanding from the sealing lip (311) toward the inside of the flexible scraper (3).

4. The anti-oil structure for the hook needle of a stretching machine according to claim 1, characterized in that, The flexible scraper blade (3) is a polyurethane material component.

5. The anti-oil structure for the hook needle of a stretching machine according to claim 1, characterized in that, A first mounting hole (111) is provided on the outside of the milled groove (11), and a second mounting hole (421) matching the first mounting hole (111) is provided on the hook rod protective sleeve (4).

6. The oil-proof structure for the hook needle of a stretching machine according to claim 5, characterized in that, The hook rod protective sleeve (4) is provided with a sleeve part, which is a hollow tubular structure, and the hook rod (12) passes through the sleeve part.

7. The oil-proof structure for a sizing machine hook according to claim 6, characterized in that, The sleeve part is generally in the shape of an elliptical tube.

8. The oil-proof structure for a laminating machine hook needle according to claim 5, characterized in that, The hook rod protective sleeve (4) is provided with an outer edge (42), and the second mounting hole (421) is provided on the outer edge (42).

9. The oil-proof structure for a sizing machine hook according to claim 6, characterized in that, It also includes a sealing gasket (5), which is disposed between the hook rod protective sleeve (4) and the outside of the milled groove (11), and the sealing gasket (5) is provided with a third mounting hole (51) that matches the second mounting hole (421).

10. The oil-proof structure for a laminating machine hook needle according to claim 8, characterized in that, It also includes a hook rod protective cover (6), which covers the outer edge (42), and a fourth mounting hole (61) matching the second mounting hole (421) is provided on the hook rod protective cover (6).

Images