CN214054507U

CN214054507U - Main shaft and dabber pull rod fixed knot construct

Info

Publication number: CN214054507U
Application number: CN202023062706.0U
Authority: CN
Inventors: 李双钰; 李双树
Original assignee: Kunshan Luoli Precision Machinery Co ltd
Current assignee: Kunshan Luoli Precision Machinery Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-08-27
Anticipated expiration: 2030-12-18

Abstract

The utility model discloses a main shaft and dabber pull rod fixed knot construct, including the main shaft body, the dabber body and reset spring, the inside of the main shaft body is provided with pulling rod and dabber body respectively, and the cover is equipped with the dabber body on the outer wall of pulling rod to the avris fixed mounting of the main shaft body has the support, the avris fixed mounting that the support was kept away from to the main shaft body has the locating rack, and the bottom of locating rack runs through and is provided with spacing mobile jib to the cover is equipped with reset spring on the outer wall of spacing mobile jib, the inside bearing of locating rack installs the transfer line, and the cover is equipped with the one end of second drive belt on the bottom outer wall of transfer line to the inside bearing of the locating rack of the other end avris of second drive belt is provided with leading gear. This main shaft and dabber pull rod fixed knot construct, positional stability promotes, has reduced main shaft and dabber damage that receives at the during operation, and the dismantlement of main shaft and dabber pull rod fixed knot construct is convenient simultaneously, avoids the dabber later stage to dismantle maintenance work loaded down with trivial details.

Description

Main shaft and dabber pull rod fixed knot construct

Technical Field

The utility model relates to a lathe main shaft technical field specifically is a main shaft and dabber pull rod fixed knot construct.

Background

The machine tool spindle is a shaft which is arranged on a numerical control machine tool and drives a cutter to rotate, the mandrel is a shaft concentric with the spindle, the auxiliary spindle is used for processing a workpiece, the spindle and the mandrel are easily damaged due to unstable fixation of the machine tool spindle and the mandrel, the processing effect of the workpiece is affected, and therefore the pull rod fixing structure is required to be used for stable positioning, and the pull rod positioning has the advantages of space saving and the like.

However, the existing fixing structure for the spindle and the mandrel pull rod has the following problems:

because the pull rod location is unstable to make main shaft and dabber connect unstably, easily increase the wearing and tearing of high-speed rotatory main shaft and dabber, so need promote the stability of pull rod, and current main shaft is not enough with the positional stability of dabber pull rod fixed knot structure to the pull rod, easily lead to the pull rod to slide, make main shaft and dabber impaired at the during operation, simultaneously because main shaft and dabber need regular maintenance, so need conveniently dismantle fixed knot structure, and current main shaft is inconvenient with the dismantlement of dabber pull rod fixed knot structure, it is loaded down with trivial details to lead to the dabber later stage to dismantle maintenance work, the practicality of device has been reduced.

Aiming at the problems, innovative design is urgently needed on the basis of the original fixing structure of the spindle and the mandrel pull rod.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a main shaft and dabber pull rod fixed knot construct to solve above-mentioned background art and propose current main shaft and dabber pull rod fixed knot construct the positional stability of counter pull rod not enough, easily lead to the pull rod to slide, make main shaft and dabber impaired at the during operation, the dismantlement of main shaft and dabber pull rod fixed knot construct is inconvenient simultaneously, leads to the dabber later stage to dismantle maintenance work loaded down with trivial details, has reduced the problem of device practicality.

In order to achieve the above object, the utility model provides a following technical scheme: a main shaft and mandrel pull rod fixing structure comprises a main shaft body, a mandrel body and a reset spring, wherein the inside of the main shaft body is respectively provided with a pulling rod and the mandrel body, the outer wall of the pulling rod is sleeved with the mandrel body, the side of the main shaft body is fixedly provided with a support, a positioning rod is embedded in the support, the end part of the positioning rod is fixedly connected with a handle, the side of the main shaft body, far away from the support, is fixedly provided with a positioning frame, the bottom of the positioning frame is provided with a limiting main rod in a penetrating manner, the outer wall of the limiting main rod is sleeved with the reset spring, the inner bearing of the positioning frame at the side of the limiting main rod is connected with a transmission gear, the outer wall at the top of the transmission gear is sleeved with a first transmission belt, the inner bearing of the positioning frame at the side of the other end of the second transmission belt is provided with a guide gear, and the inner bearing of the positioning frame at the side of the guide gear is connected with a linkage gear.

Preferably, the pulling rod and the mandrel body are in sliding connection for fitting, and the pulling rod and the mandrel body and the positioning rod form a penetrating sliding structure.

Preferably, the positioning rod and the positioning frame are clamped and arranged in a sliding mode, and the positioning rod and the limiting main rod are mutually clamped.

Preferably, the locating rack and the limiting main rod are in elastic telescopic connection through a return spring, and the limiting main rod is meshed with the transmission gear.

Preferably, the transmission gear is connected with the transmission rod through a first transmission belt, and the transmission rod is connected with the guide gear through a second transmission belt.

Preferably, the inside of the locating rack on the side of the linkage gear runs through and is provided with a limiting auxiliary rod, the limiting auxiliary rod is meshed with the linkage gear, and the limiting auxiliary rod and the locating rack are arranged in a clamping mode in a sliding mode.

Compared with the prior art, the beneficial effects of the utility model are that: the fixing structure of the main shaft and the mandrel pull rod improves the positioning stability, avoids the pull rod from sliding, reduces the damage to the main shaft and the mandrel during working, is convenient to disassemble, avoids the trouble in later-stage disassembly and maintenance of the mandrel, and increases the practicability of the structure;

1. the pulling rod is clamped with the mandrel body through the movement of the positioning rod on the pulling rod and the mandrel body, and the positioning rod is stably positioned through the movement of the limiting main rod and the limiting auxiliary rod in the positioning rod, so that the stability of the positioning rod is improved, and the positioning rod is prevented from shaking when the main shaft works;

2. through the removal of spacing mobile jib for 2 spacing auxiliary rod remove along with spacing mobile jib, thereby promoted the convenience and the linkage nature of device, conveniently through pulling spacing mobile jib, make main shaft and dabber conveniently maintain, increased the practicality of device.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the connecting structure of the positioning rod and the positioning frame of the present invention;

FIG. 3 is a schematic view of the connection structure of the guide gear and the linkage gear of the present invention;

fig. 4 is a schematic view of the connection structure of the limiting main rod and the transmission gear of the present invention.

In the figure: 1. a main shaft body; 2. pulling a rod; 3. a core shaft body; 4. a support; 5. positioning a rod; 6. a handle; 7. a positioning frame; 8. a main limiting rod; 9. a return spring; 10. a transmission gear; 11. a first drive belt; 12. a transmission rod; 13. a second belt; 14. a guide gear; 15. a linkage gear; 16. the auxiliary rod is limited.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a fixing structure of a main shaft and a mandrel pull rod comprises a main shaft body 1, a pulling rod 2, a mandrel body 3, a support 4, a positioning rod 5, a handle 6, a positioning frame 7, a limiting main rod 8, a reset spring 9, a transmission gear 10, a first transmission belt 11, a transmission rod 12, a second transmission belt 13, a guide gear 14, a linkage gear 15 and a limiting auxiliary rod 16, wherein the pulling rod 2 and the mandrel body 3 are respectively arranged inside the main shaft body 1, the mandrel body 3 is sleeved on the outer wall of the pulling rod 2, the support 4 is fixedly arranged on the side of the main shaft body 1, the positioning rod 5 is embedded inside the support 4, the handle 6 is fixedly connected to the end part of the positioning rod 5, the positioning frame 7 is fixedly arranged on the side of the main shaft body 1 far away from the support 4, the limiting main rod 8 penetrates through the bottom of the positioning frame 7, and the reset spring 9 is sleeved on the outer wall of the limiting main rod 8, and the inner bearing of the locating rack 7 at the side of the limiting main rod 8 is connected with a transmission gear 10, meanwhile, a first transmission belt 11 is sleeved on the outer wall of the top of the transmission gear 10, a transmission rod 12 is installed on the inner bearing of the locating rack 7, and one end of a second transmission belt 13 is sleeved on the outer wall of the bottom of the transmission rod 12, and a guide gear 14 is arranged on the inner bearing of the locating rack 7 at the side of the other end of the second transmission belt 13, and the inner bearing of the locating rack 7 at the side of the guide gear 14 is connected with a linkage gear 15.

The pulling rod 2 and the mandrel body 3 are connected in a sliding mode for fitting, the pulling rod 2 and the mandrel body 3 form a sliding structure which penetrates through the positioning rod 5, the mandrel body 3 is convenient to sleeve on the pulling rod 2 to perform horizontal direction positioning, and the vertical positioning stability of the mandrel body 3 is improved.

Locating lever 5 and locating rack 7 block slip setting, and locating lever 5 and the mutual block of spacing mobile jib 8, and the locating lever 5 stable positioning of being convenient for avoids locating lever 5 to appear rocking at the main shaft body 1 during operation.

Locating rack 7 and spacing mobile jib 8 are the elastic expansion who reset spring 9 connects, and spacing mobile jib 8 and the meshing of drive gear 10 set up, drive gear 10 is connected with transfer line 12 through first drive belt 11, and transfer line 12 and leading gear 14 link to each other through second drive belt 13, the inside of locating rack 7 of 15 avris of linked gear runs through and is provided with spacing auxiliary rod 16, and spacing auxiliary rod 16 and the meshing of linked gear 15 are connected, and spacing auxiliary rod 16 and locating rack 7 set up for the relative slip of block, be convenient for spacing mobile jib 8 is under unmanned operation, it fixes a position to locating lever 5 to drive spacing auxiliary rod 16, and be convenient for spacing auxiliary rod 16 along with spacing mobile jib 8 is at locating rack 7 inside steady removal simultaneously, the convenience of structure has been increased.

The working principle is as follows: when the fixing structure of the spindle and the mandrel pull rod is used, firstly, as shown in fig. 1, when the spindle body 1 and the mandrel body 3 need to be positioned, the mandrel body 3 is sleeved on the pulling rod 2, then the positioning rod 5 penetrates through the pulling rod 2 and the mandrel body 3, and the handle 6 is attached to the bracket 4, so that the spindle body 1 and the mandrel body 3 are positioned in the horizontal and vertical directions, the connection stability of the spindle body 1 and the mandrel body 3 is improved, as shown in fig. 1-2, meanwhile, the end part of the positioning rod 5 is inserted into the positioning frame 7, the positioning rod 5 is stably positioned by inserting the limiting main rod 8 and the limiting auxiliary rod 16 into the positioning rod 5, the stability of the structure is further improved, and the positioning rod 5 is prevented from shaking when the spindle body 1 works;

as shown in fig. 2-4, when the structure needs to be maintained, the limiting main rod 8 is pulled, the transmission gears 10 meshed with two sides of the limiting main rod 8 are made to rotate, 2 first transmission belts 11 connected through 2 transmission gears 10 in a one-to-one correspondence manner drive 2 transmission rods 12 to rotate, so that 2 transmission rods 12 respectively drive guide gears 14 to rotate through second transmission belts 13 in a one-to-one correspondence manner, and then the guide gears 14 drive meshed linkage gears 15 to rotate, so that the limiting auxiliary rods 16 meshed with the linkage gears 15 move towards the positioning rod 5 or move towards the direction away from the positioning rod 5 along with the limiting main rod 8, as shown in fig. 1, the positioning rod 5 is pulled through a handle 6, so that the positioning rod 5 is separated from the pulling rod 2 and the core shaft body 3, thereby facilitating the detachment of the core shaft body 3 and increasing the convenience in detaching the core shaft body 3.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a main shaft and dabber pull rod fixed knot construct, includes the main shaft body (1), dabber body (3) and reset spring (9), its characterized in that: the inner part of the main shaft body (1) is respectively provided with a pulling rod (2) and a mandrel body (3), the outer wall of the pulling rod (2) is sleeved with the mandrel body (3), a support (4) is fixedly arranged on the side of the main shaft body (1), a positioning rod (5) is embedded in the support (4), a handle (6) is fixedly connected with the end part of the positioning rod (5), a positioning frame (7) is fixedly arranged on the side of the main shaft body (1) far away from the support (4), a limiting main rod (8) is arranged at the bottom of the positioning frame (7) in a penetrating mode, a reset spring (9) is sleeved on the outer wall of the limiting main rod (8), a transmission gear (10) is connected to the inner bearing of the positioning frame (7) on the side of the limiting main rod (8), a first transmission belt (11) is sleeved on the outer wall of the top of the transmission gear (10), a transmission rod (12) is installed on the inner bearing of the positioning frame (7), and the outer wall of the bottom of the transmission rod (12) is sleeved with one end of a second transmission belt (13), a guide gear (14) is arranged on an internal bearing of the positioning frame (7) at the side of the other end of the second transmission belt (13), and a linkage gear (15) is connected with the internal bearing of the positioning frame (7) at the side of the guide gear (14).

2. A spindle and mandrel tie rod securing structure according to claim 1, wherein: the pulling rod (2) and the mandrel body (3) are in sliding connection in a fitting mode, and the pulling rod (2) and the mandrel body (3) and the positioning rod (5) form a penetrating sliding structure.

3. A spindle and mandrel tie rod securing structure according to claim 1, wherein: the positioning rod (5) and the positioning frame (7) are clamped and arranged in a sliding mode, and the positioning rod (5) and the limiting main rod (8) are clamped mutually.

4. A spindle and mandrel tie rod securing structure according to claim 1, wherein: the locating rack (7) and the limiting main rod (8) are in elastic telescopic connection through a return spring (9), and the limiting main rod (8) is meshed with the transmission gear (10).

5. A spindle and mandrel tie rod securing structure according to claim 1, wherein: the transmission gear (10) is connected with the transmission rod (12) through a first transmission belt (11), and the transmission rod (12) is connected with the guide gear (14) through a second transmission belt (13).

6. A spindle and mandrel tie rod securing structure according to claim 1, wherein: the inside of locating rack (7) of linkage gear (15) avris runs through and is provided with spacing auxiliary rod (16), and spacing auxiliary rod (16) and linkage gear (15) meshing are connected to spacing auxiliary rod (16) and locating rack (7) set up for the relative slip of block.