阅读说明：本技术 用于精冲总成件滚针轴承的滚针装配装置及其装配方法 (Needle roller assembling device and method for fine blanking assembly needle roller bearing ) 是由 余宇恒 张正威 涂繁 骆蜜 胡梅 龚甜 彭林香 朱莎 于 2021-08-13 设计创作，主要内容包括：本发明公开了一种用于精冲总成件滚针轴承的滚针装配装置及其装配方法。本用于精冲总成件滚针轴承的滚针装配装置包括支撑底座以及安装于支撑底座上的内筒、外筒以及推杆,内筒和外筒的尾部均固定于支撑底座上,外筒套于内筒外部且两者之间设有间隙,外筒的头部用于套于滚针轴承的管套上,推杆支承于支撑底座上且其头部安装于内筒和外筒之间间隙内,推杆在外筒和内筒之间间隙中可滑动,外筒上开设有用于放入滚针的开槽,开槽与外筒和内筒之间间隙连通以供滚针进入。本发明提出的用于精冲总成件滚针轴承的滚针装配装置,不需要手工装配时一根一根地装,可极大提高滚针装配的效率。(The invention discloses a needle roller assembling device and method for a fine blanking assembly needle roller bearing. The needle roller assembling device for the fine punching assembly needle roller bearing comprises a supporting base and an inner cylinder, an outer cylinder and a push rod, wherein the inner cylinder is installed on the supporting base, the tail parts of the inner cylinder and the outer cylinder are fixed on the supporting base, the outer cylinder is sleeved outside the inner cylinder, a gap is formed between the outer cylinder and the inner cylinder, the head part of the outer cylinder is sleeved on a pipe sleeve of the needle roller bearing, the push rod is supported on the supporting base, the head part of the push rod is installed in the gap between the inner cylinder and the outer cylinder, the push rod can slide in the gap between the outer cylinder and the inner cylinder, a groove for placing a needle roller is formed in the outer cylinder, and the gap between the groove and the outer cylinder is communicated for the needle roller to enter. The needle roller assembling device for the fine blanking assembly needle roller bearing provided by the invention does not need to be assembled one by one during manual assembly, and can greatly improve the needle roller assembling efficiency.)

1. The utility model provides a kingpin assembly quality for smart towards assembly spare kingpin bearing, its characterized in that, including supporting the base and installing inner tube, urceolus and push rod on supporting the base, wherein, the afterbody of inner tube and urceolus all is fixed in and supports on the base, the urceolus overlaps outside the inner tube and is equipped with the clearance between the two, the head of urceolus is used for overlapping on bearing's pipe box, the push rod supports on supporting the base and its head is installed in the clearance between inner tube and urceolus, the push rod is slidable in the clearance between urceolus and inner tube, offer the fluting that is used for putting into the kingpin on the urceolus, the clearance intercommunication is for the kingpin gets into between fluting and urceolus and the inner tube.

2. The needle roller mounting apparatus for a needle roller bearing of a fine blanking assembly as set forth in claim 1, wherein said supporting base includes a base plate and a fixing plate disposed perpendicularly to the base plate, the inner cylinder, the outer cylinder and the push rod being disposed on the fixing plate.

3. The needle roller mounting assembly for a fine blanking assembly needle roller bearing as set forth in claim 2, wherein said base plate and said retainer plate are detachably connected by a bolt.

4. The needle roller assembling device for fine blanking assembly needle roller bearings according to claim 2, wherein the fixing plate is provided with a first mounting hole, a second mounting hole and a third mounting hole, the second mounting hole and the third mounting hole are located outside the first mounting hole, the tail portion of the inner cylinder is mounted on the first mounting hole and fixedly connected with the fixing plate, the tail portion of the outer cylinder is mounted on the second mounting hole and fixedly connected with the fixing plate, and the push rod is inserted through the third mounting hole and slidably connected with the fixing plate.

5. The needle roller assembling apparatus for fine blanking assembly needle roller bearings according to claim 4, wherein said push rod includes a sleeve of circular ring structure and a support arm at the rear of the sleeve, the cross-sectional shape of the support arm is adapted to the third mounting hole, the sleeve is located in the gap between the outer cylinder and the inner cylinder, the support arm is disposed through the fixing plate, and the head of the sleeve is used to abut against the needle roller to push it into between the profiled bolt of the needle roller bearing and the sleeve.

6. The needle roller mounting assembly for a fine blanking assembly needle roller bearing according to claim 5, wherein at least two support arms are provided.

7. The needle roller assembling device for the fine blanking assembly needle roller bearing according to any one of claims 1 to 6, wherein a circular hole for mounting a shaped bolt of the needle roller bearing is opened at a head of the inner cylinder.

8. The needle roller mounting arrangement for a fine blanking assembly needle roller bearing of claim 7 wherein the axis of said circular bore is disposed flush with the axis of the inner barrel.

9. The needle roller mounting assembly for a fine blanking assembly needle roller bearing as set forth in claim 5, wherein said inner cylinder, outer cylinder and sleeve are coaxially disposed.

10. An assembling method of a needle roller assembling device for a fine blanking assembly needle roller bearing according to any one of claims 1 to 9, comprising the steps of:

after the needle roller assembling device is installed, inserting the special-shaped bolt and the pipe sleeve of the needle roller bearing into the needle roller assembling device, so that the outer cylinder of the needle roller assembling device is sleeved outside the pipe sleeve, and the inner cylinder of the needle roller assembling device is coaxially arranged with the special-shaped bolt;

all the needle rollers are sequentially placed into a gap between the outer cylinder and the inner cylinder through the groove of the outer cylinder, and the push rod is pushed forwards after the gap is filled, so that the head of the push rod is pushed to all the needle rollers, and all the needle rollers are pushed to a position between the special-shaped bolt and the pipe sleeve;

and taking the needle bearing with the needle rollers out of the needle roller assembling device, and installing a gasket at the head part of the special-shaped bolt of the needle bearing.

Technical Field

The invention relates to the technical field of needle roller assembly, in particular to a needle roller assembly device for a fine blanking assembly needle roller bearing and an assembly method thereof.

Background

During the assembly process of the fine blanking assembly, the needle roller bearing is needed, the needle roller bearing can guarantee the transmission efficiency, and the product quality of the assembly is improved. The needle roller bearing is provided with a thin and long roller (the length of the roller is 3-10 times of the diameter, and the diameter is generally not more than 5 mm), so that the radial structure is compact, the inner diameter size and the load capacity of the needle roller bearing are the same as those of other types of bearings, the outer diameter of the needle roller bearing is the minimum, and the needle roller bearing is particularly suitable for a supporting structure with limited radial installation size.

At present, the installation of a needle roller bearing of a non-standard part is a great difficulty in the use of the needle roller bearing, and when the needle roller bearing is manually assembled, the efficiency is extremely low, the consumed working hours are long, and the conditions of less assembly and neglected assembly are easy to occur.

Disclosure of Invention

The invention mainly aims to provide a needle roller assembling device for a needle roller bearing of a fine blanking assembly and an assembling method thereof, and aims to facilitate assembling of a needle roller of the needle roller bearing.

In order to achieve the purpose, the invention provides a needle roller assembling device for a needle roller bearing of a fine blanking assembly, which comprises a supporting base, an inner cylinder, an outer cylinder and a push rod, wherein the inner cylinder, the outer cylinder and the push rod are arranged on the supporting base, the tail parts of the inner cylinder and the outer cylinder are fixed on the supporting base, the outer cylinder is sleeved outside the inner cylinder, a gap is arranged between the inner cylinder and the outer cylinder, the head part of the outer cylinder is sleeved on a pipe sleeve of the needle roller bearing, the push rod is supported on the supporting base, the head part of the push rod is arranged in the gap between the inner cylinder and the inner cylinder, the push rod can slide in the gap between the outer cylinder and the inner cylinder, a groove for placing a needle roller is formed in the outer cylinder, and the groove is communicated with the gap between the outer cylinder and the inner cylinder for the needle roller to enter.

Preferably, the supporting base comprises a bottom plate and a fixing plate vertically arranged with the bottom plate, and the inner cylinder, the outer cylinder and the push rod are all located on the fixing plate.

Preferably, the base plate and the fixing plate are detachably connected by bolts.

Preferably, the fixed plate is provided with a first mounting hole, a second mounting hole and a third mounting hole, the second mounting hole and the third mounting hole are located outside the first mounting hole, the tail part of the inner cylinder is mounted on the first mounting hole and fixedly connected with the fixed plate, the tail part of the outer cylinder is mounted on the second mounting hole and fixedly connected with the fixed plate, and the push rod penetrates through the third mounting hole and is slidably connected with the fixed plate.

Preferably, the push rod comprises a sleeve with a circular structure and a supporting arm located at the tail of the sleeve, the cross section of the supporting arm is matched with the third mounting hole, the sleeve is located in a gap between the outer cylinder and the inner cylinder, the supporting arm penetrates through the fixing plate, and the head of the sleeve is used for being abutted to the roller pin to push the roller pin into a position between the special-shaped bolt of the roller bearing and the pipe sleeve.

Preferably, at least two support arms are provided.

Preferably, the head of the inner cylinder is provided with a circular hole for mounting a special-shaped bolt of the needle bearing.

Preferably, the axis of the circular hole is flush with the axis of the inner barrel.

Preferably, the inner cylinder, the outer cylinder and the sleeve are coaxially arranged.

The invention further provides an assembling method of the needle roller assembling device for the fine blanking assembly needle roller bearing, which is characterized by comprising the following steps:

after the needle roller assembling device is installed, inserting the special-shaped bolt and the pipe sleeve of the needle roller bearing into the needle roller assembling device, so that the outer cylinder of the needle roller assembling device is sleeved outside the pipe sleeve, and the inner cylinder of the needle roller assembling device is coaxially arranged with the special-shaped bolt;

all the needle rollers are sequentially placed into a gap between the outer cylinder and the inner cylinder through the groove of the outer cylinder, and the push rod is pushed forwards after the gap is filled, so that the head of the push rod is pushed to all the needle rollers, and all the needle rollers are pushed to a position between the special-shaped bolt and the pipe sleeve;

and taking the needle bearing with the needle rollers out of the needle roller assembling device, and installing a gasket at the head part of the special-shaped bolt of the needle bearing.

The needle roller assembling device for the fine blanking assembly needle roller bearing provided by the invention has the following beneficial effects:

1. by using the needle roller assembling device, the needle rollers are assembled one by one without manual assembly, so that the needle roller assembling efficiency can be greatly improved;

2. because the outer cylinder and the inner cylinder are fixed on the supporting base, and the roller pin is arranged between the outer cylinder and the inner cylinder, the push rod is used for pushing the roller pin into the roller pin bearing, the assembly operation is simple, and the roller pin bearing can be suitable for the condition of batch production;

3. the needle roller assembling device is simple in structure and high in universality, can be matched with non-standard needle roller bearings of other sizes and similar types only by slightly changing the needle roller assembling device, and can be used as a needle roller assembling scheme of a needle roller bearing of one type.

Drawings

FIG. 1a is a schematic cross-sectional view of a non-standard needle bearing;

FIG. 1b is a partially exploded view of a non-standard needle bearing;

FIG. 2 is an exploded view of the needle assembly for a fine blanking assembly needle bearing according to the present invention;

FIG. 3 is a schematic cross-sectional view of a needle assembly apparatus for a fine blanking assembly needle bearing according to the present invention;

fig. 4 is a schematic sectional view showing another perspective of the needle roller mounting device for a fine blanking assembly needle bearing according to the present invention.

In the figure, 1-a shaped bolt, 2-a pipe sleeve, 3-a gasket, 4-a roller pin, 5-a push rod, 6-a bottom plate, 7-a fixing plate, 8-an outer cylinder, 9-an inner cylinder, 10-a first mounting hole, 11-a second mounting hole and 12-a third mounting hole.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It should be noted that in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The invention provides a needle roller assembling device for a needle roller bearing of a fine blanking assembly.

Referring to fig. 1 to 4, in the preferred embodiment, the needle roller assembling device for precisely punching the needle roller bearing of the assembly comprises a supporting base, an inner cylinder 9, an outer cylinder 8 and a push rod 5 which are mounted on the supporting base, wherein the tail parts of the inner cylinder 9 and the outer cylinder 8 are fixed on the supporting base, the outer cylinder 8 is sleeved outside the inner cylinder 9, a gap is arranged between the inner cylinder and the outer cylinder, the head part of the outer cylinder 8 is used for being sleeved on a sleeve 2 of the needle roller bearing, the push rod 5 is supported on the supporting base, the head part of the push rod is mounted in the gap (the gap is slightly larger than the diameter of the needle roller 4) between the inner cylinder 9 and the outer cylinder 8, the push rod 5 can slide in the gap between the outer cylinder 8 and the inner cylinder 9, a groove for placing the needle roller 4 is formed in the outer cylinder 8, and the groove is communicated with the gap between the outer cylinder 8 and the inner cylinder 9 for the needle roller 4 to enter.

Fig. 1a and 1b are schematic diagrams of a needle bearing to be assembled, and the needle bearing consists of a special-shaped bolt 1, a sleeve 2, a washer 3 and 22 needle rollers 4.

Specifically, referring to fig. 4, the supporting base includes a bottom plate 6 and a fixing plate 7 disposed perpendicular to the bottom plate 6, and the inner cylinder 9, the outer cylinder 8 and the push rod 5 are all located on the fixing plate 7.

In this embodiment, referring to fig. 4, the bottom plate 6 and the fixing plate 7 are detachably connected by bolts, but other forms of connection may be adopted in other modified embodiments, and the invention is not limited thereto.

Specifically, referring to fig. 3 and 4 in combination, the present embodiment specifically proposes a fixing manner of the inner cylinder 9 and the outer cylinder 8: first mounting hole 10, second mounting hole 11 and third mounting hole 12 have been seted up on fixed plate 7, second mounting hole 11 and third mounting hole 12 all are located the first mounting hole 10 outside, the afterbody of inner tube 9 install on first mounting hole 10 and with fixed plate 7 fixed connection, the afterbody of urceolus 8 install on second mounting hole 11 and with fixed plate 7 fixed connection, push rod 5 wear to locate on third mounting hole 12 and with fixed plate 7 sliding connection. Of course, in other modified embodiments, the inner cylinder 9 and the outer cylinder 8 may be fixed to the fixing plate 7 by other means, such as bolt fixing, and the like, and the invention is not limited thereto.

In this embodiment, referring to fig. 4, each of the first mounting hole 10, the second mounting hole 11, and the third mounting hole 12 is a special-shaped hole. The first mounting hole 10 is a circular ring-shaped hole, and correspondingly, a through hole is formed in the inner cylinder 9 to correspond to the solid part in the first mounting hole 10. The second mounting hole 11 and the third mounting hole 12 are both arc-shaped holes, and the outer cylinder 8 is located outside the push rod 5, so that the second mounting hole 11 is located outside the third mounting hole 12. In the present embodiment, it is described as an example that two second mounting holes 11 and two third mounting holes 12 are provided.

With reference to fig. 2 and 3, in the present embodiment, the push rod 5 includes a sleeve having a circular ring structure and a support arm located at the tail of the sleeve, the cross-sectional shape of the support arm is adapted to the third mounting hole 12, the sleeve is located in the gap between the outer cylinder 8 and the inner cylinder 9, the support arm is disposed on the fixing plate 7 in a penetrating manner, and the head of the sleeve is used for abutting against the needle roller 4 to push the needle roller into the space between the special-shaped bolt 1 and the sleeve 2 of the needle bearing. The sleeve and the supporting arm are integrally arranged so as to be convenient to produce and manufacture.

Specifically, the number of the supporting arms is at least two, so that the push rod 5 can be pushed and pulled conveniently, and the push rod 5 can slide better. In the figure of the present embodiment, two are provided as an example for specific explanation. The length of the support arm is set according to the push-pull distance.

Further, referring to fig. 3, a circular hole for mounting the needle bearing shaped bolt 1 is opened at the head of the inner cylinder 9. The special-shaped bolt 1 is positioned through the round hole, so that the installation precision of the special-shaped bolt 1 is ensured, and the roller pin 4 can accurately enter between the special-shaped bolt 1 and the pipe sleeve 2.

In this embodiment, the axis of the circular hole is flush with the axis of the inner cylinder 9. The inner cylinder 9, the outer cylinder 8 and the sleeve are coaxially arranged, namely, the axes of the inner cylinder 9, the outer cylinder 8 and the sleeve are arranged in parallel.

The working principle of the needle roller assembling device for the fine blanking assembly needle roller bearing is as follows.

The first step is as follows: inserting parts: inserting the special-shaped bolt 1 and the pipe sleeve 2 into the needle roller assembling device, and adjusting the needle roller assembling device to a proper state;

the second step is that: placing a roller pin 4: the needle rollers 4 are placed in the grooves in the outer barrel 8, the needle rollers 4 can automatically fall into the bottom of the gap between the outer barrel 8 and the inner barrel 9 under the action of gravity, and the needle rollers 4 can rotate, so that all the needle rollers 4 can be placed in the grooves, exactly 22 needle rollers are placed after the needle rollers are fully placed, the push rod 5 is pushed after the needle rollers are fully placed, the needle rollers 4 enter the middles of the special-shaped bolt 1 and the pipe sleeve 2, the needle rollers 4 are installed, and meanwhile, the push rod 5 is further pushed forwards to eject the needle roller bearing filled with the needle rollers 4 out of the device;

the third step: installing a needle bearing: after the assembled needle bearing is taken out of the needle assembling device, the gasket 3 is put on, and then the bolt is screwed on the assembly needing to be provided with the needle bearing, so that the whole needle bearing is assembled.

The needle roller assembling device for the fine blanking assembly needle roller bearing provided by the invention has the following beneficial effects:

1. by using the needle roller assembling device, the needle rollers are assembled one by one without manual assembly, so that the needle roller assembling efficiency can be greatly improved;

2. because the outer cylinder 8 and the inner cylinder 9 are fixed on the supporting base, and the needle roller 4 is arranged between the outer cylinder 8 and the inner cylinder 9, and the push rod 5 is used for pushing the needle roller into the needle roller bearing, the assembly operation is simple, meanwhile, the problems of less needle roller installation and missing needle roller installation in the needle roller bearing can be effectively prevented, and the needle roller bearing is suitable for the condition of batch production;

3. the needle roller assembling device is simple in structure and high in universality, can be matched with non-standard needle roller bearings of other sizes and similar types only by slightly changing the needle roller assembling device, and can be used as a needle roller assembling scheme of a needle roller bearing of one type.

The invention further provides an assembling method of the needle roller assembling device for the fine blanking assembly piece needle roller bearing.

In the preferred embodiment, an assembling method based on the needle roller assembling device for the fine blanking assembly piece needle roller bearing comprises the following steps:

step S10, after the needle roller assembling device is installed, inserting the special-shaped bolt 1 and the pipe sleeve 2 of the needle roller bearing into the needle roller assembling device, so that the outer cylinder 8 of the needle roller assembling device is sleeved outside the pipe sleeve 2, and the inner cylinder 9 of the needle roller assembling device is coaxially arranged with the special-shaped bolt 1;

step S20, sequentially putting all the needle rollers 4 into the gap between the outer cylinder 8 and the inner cylinder 9 through the slot of the outer cylinder 8, pushing the push rod 5 forwards after the gap is full, and enabling the head of the push rod 5 to prop all the needle rollers 4 so as to prop all the needle rollers 4 between the special-shaped bolt 1 and the pipe sleeve 2;

in step S30, the needle bearing to which the needle roller 4 has been attached is removed from the needle roller mounting device, and the washer 3 is attached to the head of the shaped bolt 1 of the needle bearing.

The assembly method provided by the invention has the advantages that the process of installing the needle roller 4 of the needle roller bearing is very simple and convenient, and the installation precision and the installation efficiency are high.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, are intended to be covered by the scope of the present invention.