Self-lubricating die guide sleeve
By designing a self-lubricating mold guide sleeve, and utilizing spring-assisted movement of the outer guide sleeve and threaded transmission, the automatic extrusion and application of lubricating oil is achieved. This solves the problem of insufficient lubrication during high-speed operation of the mold guide sleeve, improves the stability and functionality of the equipment, and reduces wear and maintenance costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-24
- Publication Date
- 2026-03-31
AI Technical Summary
Insufficient lubrication during high-speed operation of existing mold guide bushings can lead to wear between the guide bushing and the guide post, potentially causing damage to the guide bushing or guide post.
A self-lubricating mold guide sleeve was designed. The outer guide sleeve moves with the assistance of a spring. Combined with the screw drive and the cooperation of the ball and the slide, the automatic extrusion and application of lubricating oil is realized. The limiting groove is used to avoid the waste of lubricating oil. The overall structure is compact and all components work together.
It significantly improves the operational stability and smoothness of stamping equipment, reduces friction and wear between guide pillars and related components, reduces maintenance costs, and extends the service life of the equipment.
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Figure CN224058550U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to die guide bush lubrication technical field more specifically, relate to a self -lubricating die guide bush. BACKGROUND
[0002] Die guide bush is a high performance solid lubrication product inlaying graphite or solid lubricant on the base of high force brass. It breaks the limitation of general bearing relying on oil film lubrication. In the use process, through the friction heat makes solid lubrication and shaft friction, forms the excellent condition of oil, powder coexistence lubrication, protects the shaft from wearing and makes solid lubrication characteristic eternal. Its hardness is twice as high as general copper sleeve, and the wear resistance is also twice as high.
[0003] The existing die guide bush is running at high speed, the friction between the guide bush and the guide column is intensified, and the self-lubricating system cannot supplement the lubricating oil in time, so that the wear of the guide bush and the guide column is increased, and the guide bush or the guide column is damaged. In view of this, a self-lubricating die guide bush is provided. UTILITY MODEL CONTENTS
[0004] The utility model discloses a self-lubricating die guide bush to overcome the defects of the prior art, adapt to the actual needs, and solve the technical problems that the die guide bush is running at high speed, the guide bush is insufficiently lubricated, the wear of the guide bush and the guide column is increased, and the guide bush or the guide column is damaged.
[0005] To solve the above technical problems, the utility model provides the following technical scheme: a self-lubricating die guide bush, including guide column, spring, guide bush assembly and moving assembly, the guide bush assembly is arranged on the surface of the guide column through the moving assembly, the guide bush assembly is arranged on the surface of the guide column, and the spring is arranged on the surface of the guide column, the moving assembly includes a sleeve ring, an external thread, an inner sleeve ring, a sliding groove, a limiting groove, a ball, a discharge hole, a storage groove, a groove, a rubber plate and a discharge pipe, the sleeve ring is rotatably sleeved on the annular outer wall of the guide column, the external thread is formed in the annular outer wall of the sleeve ring, the inner sleeve ring is fixedly connected to the annular inner wall of the sleeve ring, and a plurality of sliding grooves are formed in the annular outer wall of the inner sleeve ring.
[0006] Preferably, a plurality of limiting grooves are formed in the annular outer wall of the inner sleeve ring, and the plurality of limiting grooves are located at the top of the plurality of sliding grooves, a plurality of balls are slidably connected in the inner part of the sliding groove, and a plurality of discharge holes are formed in the bottom of the sliding groove.
[0007] Preferably, the storage groove is formed in the bottom of the inner sleeve ring, the storage groove is in communication with the plurality of discharge holes, and the groove is formed in the annular inner part of the storage groove.
[0008] Preferably, the rubber plate is slidably connected inside the storage tank, a plurality of discharge pipes are fixedly connected to the top of the storage tank, and a plurality of discharge holes are sleeved on the annular outer wall of the discharge pipes, and the discharge holes are connected to the discharge pipes.
[0009] Preferably, the guide sleeve assembly includes an outer guide sleeve and an internal thread. The outer guide sleeve is rotatably sleeved on the annular outer wall of the outer ring, and the internal thread is formed on the annular inner wall of the outer guide sleeve, and the internal thread is adapted to the external thread.
[0010] Preferably, one end of the spring is fixedly connected to the bottom of the guide post, and the other end of the spring is fixedly connected to the bottom of the outer guide sleeve.
[0011] Compared with the prior art, the beneficial effects of this utility model are:
[0012] This invention significantly improves the stability and smoothness of stamping equipment operation by using a spring-assisted movement of the outer guide sleeve. It converts the linear motion of the outer guide sleeve into the rotational motion of the outer and inner rings through threaded transmission, and, combined with the cooperation of ball bearings and sliding grooves, achieves automatic extrusion and application of lubricating oil, effectively reducing friction and wear between the guide post and related components. Simultaneously, the design of the limiting groove avoids lubricating oil waste, reducing maintenance costs. The overall structure is compact, and all components work together, meeting the lubrication requirements of the guide post during stamping while, through ingenious mechanical transmission design, enhancing the functionality and practicality of the equipment and extending its service life. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0014] Figure 2 This is a schematic diagram of the overall cross-sectional structure of this utility model;
[0015] Figure 3 This is a schematic diagram of the overall exploded structure of this utility model;
[0016] Figure 4 This is an exploded view of the mobile component of this utility model;
[0017] Figure 5 This is an exploded structural diagram of the mobile component of this utility model.
[0018] The following are the labels in the diagram: 1. Guide post; 2. Spring; 3. Guide sleeve assembly; 301. Outer guide sleeve; 302. Internal thread; 4. Moving assembly; 401. Outer ring; 402. External thread; 403. Inner ring; 404. Slide groove; 405. Limiting groove; 406. Ball bearing; 407. Discharge hole; 408. Storage groove; 409. Groove; 410. Rubber plate; 411. Discharge pipe. Detailed Implementation
[0019] like Figures 1 to 5 As shown, this utility model relates to a self-lubricating mold guide sleeve, including a guide post 1, a spring 2, a guide sleeve assembly 3, and a moving assembly 4; the guide sleeve assembly 3 is arranged on the surface of the guide post 1 through the moving assembly 4, and the spring 2 is arranged on the surface of the guide post 1; the moving assembly 4 includes an outer ring 401, an external thread 402, an inner ring 403, a sliding groove 404, a limiting groove 405, a ball 406, a discharge hole 407, a storage groove 408, a groove 409, a rubber plate 410, and a discharge pipe 411. The outer ring 401 is rotatably sleeved on the annular outer wall of the guide post 1, the external thread 402 is opened on the annular outer wall of the outer ring 401, the inner ring 403 is fixedly connected to the annular inner wall of the outer ring 401, and eight sliding grooves 404 are opened on the annular outer wall of the inner ring 403.
[0020] It is worth noting that the inner walls on both sides of each groove 404 are concave and are adapted to the shape of the ball 406, so that the ball 406 rolls in contact with the outer ring 401 and the guide post 1 respectively, so that the ball 406 can only roll in the groove 404 and cannot move out of the groove 404, thus further limiting the ball 406.
[0021] This invention significantly improves the stability and smoothness of the stamping equipment by using spring 2 to assist the movement of the outer guide sleeve 301. The linear motion of the outer guide sleeve 301 is converted into the rotational motion of the outer ring 401 and inner ring 403 through threaded transmission. Combined with the cooperation of ball bearings 406 and grooves 404, automatic extrusion and application of lubricating oil are achieved, effectively reducing friction and wear between the guide post 1 and related components. Simultaneously, the design of the limiting groove 405 avoids lubricating oil waste and reduces maintenance costs. The overall structure is compact, and all components work together to meet the lubrication requirements of the guide post 1 during the stamping process. Furthermore, the ingenious mechanical transmission design enhances the functionality and practicality of the equipment and extends its service life.
[0022] In embodiments of this utility model, such as Figure 3 , Figure 4 , Figure 5 As shown, eight limiting grooves 405 are formed on the annular outer wall of the inner ring 403, and the eight limiting grooves 405 are located on the top of the eight sliding grooves 404. Eight balls 406 are slidably connected inside the sliding grooves 404, and several discharge holes 407 are formed at the bottom of the eight sliding grooves 404.
[0023] It is worth noting that, such as Figure 3 , Figure 4 , Figure 5As shown, when the ball 406 moves along the track of the slide groove 404 by setting the limiting groove 405, the ball 406 enters the limiting groove 405 and is fixed in place. The lubricating oil inside the storage groove 408 is applied to the surface of the ball 406 and the surface of the guide post 1 by setting the discharge hole 407. This achieves the effect of applying lubricating oil to the surface of the guide post 1 by the ball 406 and avoids the effect of the ball 406 reciprocating.
[0024] In embodiments of this utility model, such as Figure 4 As shown, the material storage trough 408 is located at the bottom of the inner ring 403, and the material storage trough 408 is connected to eight discharge holes 407. A groove 409 is located inside the annular shape of the eight material storage troughs 408. It is worth noting that, as... Figure 4 As shown, the lubricating oil is stored inside the inner ring 403 by setting the storage tank 408, and the rubber plate 410 is fixed inside the inner ring 403 by setting the groove 409.
[0025] In embodiments of this utility model, such as Figure 4 As shown, the rubber plate 410 is slidably connected inside the storage tank 408, eight discharge pipes 411 are fixedly connected to the top of the storage tank 408, and eight discharge holes 407 are sleeved on the annular outer wall of the eight discharge pipes 411, and the eight discharge holes 407 are connected to the eight discharge pipes 411.
[0026] Specifically, the rubber plate 410 is used to store lubricant. When the ball bearing 406 moves downward and applies pressure to the rubber plate 410, the lubricant inside the rubber plate 410 flows out from its output end and is coated on the surface of the guide post 1 by the rolling of the ball bearing 406. When the ball bearing 406 moves upward, due to the elastic deformation characteristics of the rubber plate 410, the lubricant remaining around the output end of the rubber plate 410 is drawn into its interior, preventing excessive lubricant from affecting production. Excessive use of lubricant not only causes waste but also increases the company's production costs. Furthermore, if the lubricant overflows onto other parts of the mold, it may cause corrosion or damage to these parts, further increasing maintenance and replacement costs and waste. Figure 4 As shown, by setting the rubber plate 410, when the ball 406 moves to the top of the rubber plate 410, the rubber plate 410 moves downward due to its own elasticity, generating compression. When the rubber plate 410 generates compression, the lubricating oil in the storage tank 408 is discharged from the discharge pipe 411 into the discharge hole 407, thereby achieving the effect of coating the surface of the ball 406.
[0027] In embodiments of this utility model, such as Figure 3As shown, the guide sleeve assembly 3 includes an outer guide sleeve 301 and an inner thread 302. The outer guide sleeve 301 is rotatably sleeved on the annular outer wall of the outer ring 401, and the inner thread 302 is opened on the annular inner wall of the outer guide sleeve 301, and the inner thread 302 is adapted to the outer thread 402.
[0028] It is worth noting that the outer guide sleeve 301 has an internal thread 302. When the outer guide sleeve 301 rotates, it drives the outer ring 401 to rotate. When the outer ring 401 rotates, the ball 406 rotates and moves downward along the groove 404.
[0029] As another embodiment of this utility model, such as Figure 4 As shown, one end of the spring 2 is fixedly connected to the bottom of the guide post 1, and the other end of the spring 2 is fixedly connected to the bottom of the outer guide sleeve 301.
[0030] It is worth noting that by setting spring 2 to connect guide post 1 and outer guide sleeve 301, the elastic force of spring 2 itself helps the outer guide sleeve 301 to move on the surface of guide post 1.
[0031] Working Principle: This embodiment provides a self-lubricating mold guide sleeve. In use, the guide post 1 is placed inside the stamping equipment. A spring 2 connects the guide post 1 and the outer guide sleeve 301. The spring 2's own elasticity helps the outer guide sleeve 301 move on the surface of the guide post 1, making the entire structure smoother and more stable during movement. The stamping equipment drives the outer guide sleeve 301 downwards. Since the internal thread 302 on the outer guide sleeve 301 matches the external thread 402 on the outer ring 401, the downward movement of the outer guide sleeve 301 causes the outer ring 401 to rotate and move downwards. When the outer ring 401 rotates, the outer ring 401 is fixed to the inner ring 403, achieving synchronous rotation of the inner ring 403. When the inner ring 403 rotates, the internal groove 404 rotates, causing the balls 406 to move along the trajectory of the groove 404. As the ball bearing 406 rolls, when it moves to the top of the rubber plate 410, the downward force generated by the ball bearing 406 compresses the rubber plate 410, causing it to move downward along the groove 409. When the rubber plate 410 moves downward, it squeezes out the lubricating oil in the storage tank 408 and discharges it from the discharge pipe 411 into the discharge hole 407. When the lubricating oil is discharged from the discharge hole 407, it coats the surface of the ball bearing 406. When the outer guide sleeve 301 moves upward, it drives the ball bearing 406 in the inner sleeve ring 403 to move upward, which coats the surface of the guide post 1 with lubricating oil. Because the ball bearing 406 moves upward, the rubber plate 410 is reset, preventing the lubricating oil from being discharged. When the ball bearing 406 moves to the limiting groove 405 on the slide groove 404, it is limited, avoiding the waste of lubricating oil on the surface of the guide post 1 due to the reciprocating motion of the ball bearing 406.
[0032] The embodiments disclosed herein are preferred embodiments, but are not limited thereto. Those skilled in the art can readily grasp the spirit of this utility model based on the above embodiments and make different extensions and variations. However, as long as they do not depart from the spirit of this utility model, they are all within the protection scope of this utility model.
Claims
1. A self-lubricating mold bushing, characterized by, It comprises a guide column (1), a spring (2), a guide sleeve assembly (3) and a moving assembly (4); The guide sleeve assembly (3) is arranged on the surface of the guide column (1) through the moving assembly (4), the guide sleeve assembly (3) is arranged on the surface of the guide column (1), and the spring (2) is arranged on the surface of the guide column (1); The moving assembly (4) comprises an outer sleeve ring (401), an outer thread (402), an inner sleeve ring (403), a sliding groove (404), a limiting groove (405), a ball (406), a discharge hole (407), a storage groove (408), a groove (409), a rubber plate (410) and a discharge pipe (411), the outer sleeve ring (401) is rotatably sleeved on the annular outer wall of the guide column (1), the outer thread (402) is formed in the annular outer wall of the outer sleeve ring (401), the inner sleeve ring (403) is fixedly connected to the annular inner wall of the outer sleeve ring (401), and a plurality of sliding grooves (404) are formed in the annular outer wall of the inner sleeve ring (403).
2. The self-lubricating mold bushing of claim 1, wherein, A plurality of limiting grooves (405) are formed in the annular outer wall of the inner sleeve ring (403), and the limiting grooves (405) are located at the top of the sliding grooves (404); a plurality of balls (406) are slidably connected in the sliding grooves (404); and a plurality of discharge holes (407) are formed in the bottom of the sliding grooves (404).
3. A self-lubricating mold bushing according to claim 2, wherein The storage groove (408) is formed in the bottom of the inner sleeve ring (403), and the storage groove (408) is in communication with the discharge holes (407); and the groove (409) is formed in the annular inner wall of the storage groove (408).
4. A self-lubricating mold bushing according to claim 3, wherein The rubber plate (410) is slidably connected in the inner wall of the storage groove (408), a plurality of discharge pipes (411) are fixedly connected to the top of the storage groove (408), the discharge holes (407) are sleeved on the annular outer wall of the discharge pipes (411), and the discharge holes (407) are in communication with the discharge pipes (411).
5. The self-lubricating mold bushing of claim 1, wherein, The guide sleeve assembly (3) comprises an outer guide sleeve (301) and an inner thread (302), the outer guide sleeve (301) is rotatably sleeved on the annular outer wall of the outer sleeve ring (401), and the inner thread (302) is formed in the annular inner wall of the outer guide sleeve (301) and matched with the outer thread (402).
6. The self-lubricating mold bushing of claim 1, wherein, One end of the spring (2) is fixedly connected to the bottom of the guide column (1), and the other end of the spring (2) is fixedly connected to the bottom of the outer guide sleeve (301).