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CN-224214659-U - Take disconnect-type worm axle of oil guide groove

CN224214659UCN 224214659 UCN224214659 UCN 224214659UCN-224214659-U

Abstract

The utility model relates to the field of worm shafts and discloses a split worm shaft with an oil guide groove, which comprises a shaft body, wherein a worm sleeve is arranged on the outer wall of the shaft body, an oil guide assembly is arranged between the shaft body and the worm sleeve, the oil guide assembly comprises a slot, a mounting insert block, the oil guide groove and a plurality of groups of oil guide holes, the slot is formed in the inner wall of the worm sleeve and is provided with three groups, the mounting insert block is fixedly connected with the outer wall of the shaft body and is provided with three groups, the three groups of mounting insert blocks are respectively inserted into the inner walls of the three groups of slots, and the oil guide groove is respectively formed between the middle parts of the three groups of mounting insert blocks and the outer wall of the shaft body. According to the utility model, the oil guide holes are uniformly distributed among the worm teeth and are communicated with the oil guide grooves, so that a penetrating oil way is formed, and when the worm shaft runs, the oil guide grooves can promote lubricating oil to continuously supplement oil to the engagement surface by using viscosity force and centrifugal force, so that a stable lubricating film is formed, and friction and abrasion are effectively reduced.

Inventors

  • DONG WENLONG
  • DONG JUNHONG
  • WU JIANFENG
  • LI CHANGYONG

Assignees

  • 宁波全讯精密机械有限公司

Dates

Publication Date
20260508
Application Date
20250710

Claims (8)

  1. 1. The split type worm shaft with the oil guide groove comprises a shaft body (1), wherein a worm sleeve (4) is arranged on the outer wall of the shaft body (1), and the split type worm shaft is characterized in that an oil guide assembly (2) is arranged between the shaft body (1) and the worm sleeve (4); The utility model provides an oil guide assembly (2) includes slot (27), installation inserted block (23), oil guide groove (22) and multiunit oil guide hole (21), the inner wall at worm cover (4) is seted up to slot (27) and three groups have been seted up, installation inserted block (23) fixed connection is at the outer wall of axis body (1) and be provided with three groups, three groups installation inserted block (23) peg graft respectively at the inner wall of three groups slot (27), oil guide groove (22) are seted up respectively between the middle part of three groups installation inserted block (23) and the outer wall of axis body (1), installation screw (24) have been seted up on the top outer wall of axis body (1), installation screw two (25) have been seted up on the top outer wall of worm cover (4), worm cover (4) and axis body (1) pass through installation bolt (26) fixed mounting.
  2. 2. The separated worm shaft with the oil guide groove as set forth in claim 1, wherein the mounting bolt (26) is threaded through the second mounting screw hole (25), and the mounting bolt (26) is threaded through the second mounting screw hole (25) and is mounted on the inner wall of the first mounting screw hole (24).
  3. 3. A split worm shaft with an oil guide groove as set forth in claim 1, wherein a plurality of sets of said mounting insert (23) and said insertion groove (27) are provided in a dovetail shape.
  4. 4. The separated worm shaft with the oil guide groove as set forth in claim 1, wherein the oil guide groove (22) extends outwards to form two ends of the installation insert block (23), and three groups of slots (27), the installation insert block (23) and the oil guide groove (22) are annularly arranged at the lower parts of the worm sleeve (4) and the shaft body (1).
  5. 5. The separated worm shaft with the oil guide grooves according to claim 1, wherein the plurality of groups of oil guide holes (21) are respectively formed between the plurality of groups of worm teeth close to the outer wall of the worm sleeve (4) and are communicated with the plurality of groups of oil guide grooves (22).
  6. 6. The separated worm shaft with the oil guide groove as set forth in claim 1, wherein the outer wall of the worm sleeve (4) is provided with limiting components (3) near the left side and the right side, the limiting components (3) comprise two groups of positioning rings (31), two groups of elastic sheets (32) and two groups of clamping grooves (33), and the two groups of positioning rings (31) are annularly sleeved on the outer wall of the worm sleeve (4) near the left side and the right side.
  7. 7. The separated worm shaft with the oil guide groove as set forth in claim 6, wherein the two elastic pieces (32) are fixedly connected to the inner walls of the bottom ends of the two positioning rings (31) respectively, the two elastic pieces are provided with openings facing the outer sides, and the two clamping grooves (33) are formed in the outer walls of the bottom ends of the worm sleeve (4) close to the left side and the right side respectively.
  8. 8. The separated worm shaft with the oil guide groove as set forth in claim 7, wherein the two elastic pieces (32) are respectively clamped on the inner walls of the two clamping grooves (33), and the two elastic pieces (32) are respectively matched with the two clamping grooves (33).

Description

Take disconnect-type worm axle of oil guide groove Technical Field The utility model relates to the field of worm shafts, in particular to a split worm shaft with an oil guide groove. Background In the field of mechanical transmission, worm transmission is widely applied to equipment such as speed reducers, machine tools, engineering machinery and the like due to the advantages of compact structure, large transmission ratio and the like, and a traditional worm shaft is in an integral structure and is integrally formed by single materials through forging, turning, grinding and other processes. However, most of the conventional worm shafts are of an integrated structure, and in the long-term use process of the structure, due to meshing friction between the worm and the worm wheel, poor lubrication is easily caused, so that the problems of increased abrasion, reduced transmission efficiency, even transmission failure and the like are caused, and therefore, a separated worm shaft with an oil guide groove is provided for solving the problems. Disclosure of utility model In order to make up for the defects, the utility model provides a split type worm shaft with an oil guide groove, and aims to solve the problem that the abrasion is aggravated due to poor lubrication of a traditional integral worm shaft in the prior art. In order to achieve the above purpose, the split type worm shaft with the oil guide grooves comprises a shaft body, wherein a worm sleeve is arranged on the outer wall of the shaft body, an oil guide assembly is arranged between the shaft body and the worm sleeve, the oil guide assembly comprises a slot, a mounting insert block, the oil guide grooves and a plurality of groups of oil guide holes, the slot is formed in the inner wall of the worm sleeve and is provided with three groups, the mounting insert block is fixedly connected to the outer wall of the shaft body and is provided with three groups, the three groups of mounting insert blocks are respectively inserted into the inner walls of the three groups of slots, the oil guide grooves are respectively formed between the middle parts of the three groups of mounting insert blocks and the outer wall of the shaft body, a first mounting screw hole is formed in the outer wall of the top end of the shaft body, a second mounting screw hole is formed in the outer wall of the top end of the worm sleeve, and the worm sleeve and the shaft body are fixedly mounted through mounting bolts. As a further description of the above technical solution: The mounting bolt penetrates through the second mounting screw hole and is in threaded connection with the second mounting screw hole, and the second mounting bolt penetrates through the second mounting screw hole and is installed on the inner wall of the first mounting screw hole in a threaded mode. As a further description of the above technical solution: the plurality of groups of installation inserts and the slots are arranged in a dovetail shape. As a further description of the above technical solution: The oil guide grooves extend outwards to form two end parts of the installation insert blocks, and the three groups of slots, the installation insert blocks and the oil guide grooves are arranged at the lower parts of the worm sleeve and the shaft body in an annular array. As a further description of the above technical solution: The plurality of groups of oil guide holes are respectively formed in the outer wall of the worm sleeve, close to the space between the plurality of groups of worm teeth, and are communicated with the plurality of groups of oil guide grooves. As a further description of the above technical solution: the outer wall of worm cover is close to the left and right sides and all is provided with spacing subassembly, spacing subassembly includes two sets of holding rings, two sets of elastic pieces and two sets of draw-in grooves, two sets of the holding rings are the annular setting and cup joint the outer wall of worm cover and are close to left and right sides. As a further description of the above technical solution: The two groups of elastic sheets are respectively and fixedly connected to the inner walls of the bottom ends of the two groups of positioning rings and are provided with openings facing the outer sides, and the two groups of clamping grooves are respectively formed in the outer walls of the bottom ends of the worm sleeves and are close to the left side and the right side. As a further description of the above technical solution: The two groups of elastic sheets are respectively clamped on the inner walls of the two groups of clamping grooves, and the two groups of elastic sheets are respectively matched with the two groups of clamping grooves. The utility model has the following beneficial effects: 1. According to the utility model, the oil guide holes are uniformly distributed among the worm teeth and are communicated with the oil guide groove, so that a penetrating oil way