CN213196397U

CN213196397U - Elastic pin mounting device and machine tool machining platform

Info

Publication number: CN213196397U
Application number: CN202022122322.7U
Authority: CN
Inventors: 聂广远; 钟梓云; 王剑; 于敬仰
Original assignee: Shandong Heze Detong New Material Technology Co ltd; Beijing Pulan Rail Transit Technology Co Ltd
Current assignee: Shandong Heze Detong New Material Technology Co ltd; Beijing Pulan Rail Transit Technology Co Ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-05-14
Anticipated expiration: 2030-09-24

Abstract

The utility model discloses an elastic pin installation device and machine tool machining platform relates to lathe frock technical field, solves the loaded down with trivial details, the low problem of production efficiency of present elastic pin installation procedure. The mounting device includes: the clamping groove is formed in the base, and a plurality of blind holes are formed in the bottom of the clamping groove; the clamping groove is used for clamping the steel back; when the steel backing is clamped in the clamping groove, the blind hole and the first through hole are concentrically arranged; the limiting plate is provided with a plurality of second through holes, and the second through holes are concentrically arranged with the first through holes and the blind holes; the pressing plate is provided with a plurality of pressing heads, and under the condition that the elastic pin is inserted in the second through hole, the pressing heads are inserted in the second through hole under the action of the pressing plate, so that the elastic pin is inserted in the first through hole and the blind hole. The utility model discloses according to the installation demand of elastic pin, use a installation device to realize the simple and direct installation of one step of elastic pin, improve production efficiency, practice thrift manufacturing cost, have great practical application and worth.

Description

Elastic pin mounting device and machine tool machining platform

Technical Field

The utility model relates to a lathe frock technical field especially relates to an elastic pin installation device and machine tool machining platform.

Background

The elastic pin is arranged on the train brake pad for braking the train, and can play a role in fixing and connecting the brake pad friction block. In the prior art, the installation of the elastic pin is generally divided into two steps, firstly, a plurality of elastic pins are placed into the blind holes of the first base, one end of each elastic pin with a chamfer is upward, a steel back is placed on the plurality of elastic pins, through holes corresponding to the elastic pins are formed in the steel back, the diameter of each through hole is slightly smaller than the outer diameter of each elastic pin, the steel back is pressed downwards by a pressure plate, and the elastic pins are pressed into the steel back until the end, with the chamfers, of each elastic pin is flush with the steel back; and the second step is that the steel back after the first step of operation is reversely placed on a second base, the second base is provided with a blind hole corresponding to the position of the elastic pin, and the pressure plate downwards presses the elastic pins until the end surfaces of the elastic pins are flush with the surface of the steel back. The elastic pin processing operation process of the device is complex, the production efficiency is influenced, and the production cost is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an elastic pin installation device and machine tool machining platform to it is complicated to solve to form elastic pin installation operation at present, influences production efficiency, the problem that manufacturing cost increaseed.

In a first aspect, in order to achieve the above object, the present invention provides an elastic pin installation device, which is used for installing an elastic pin in a plurality of first through holes of a steel back, the installation device includes: the clamping groove is formed in the base, and a plurality of blind holes are formed in the bottom of the clamping groove; the clamping groove is used for clamping the steel back; when the steel backing is clamped in the clamping groove, the blind hole and the first through hole are concentrically arranged; the limiting plate is provided with a plurality of second through holes, and the second through holes are concentrically arranged with the first through holes and the blind holes; the pressing plate is provided with a plurality of pressing heads, and under the condition that the elastic pin is inserted in the second through hole, the pressing heads are inserted in the second through hole under the action of the pressing plate, so that the elastic pin is inserted in the first through hole and the blind hole.

Compared with the prior art, the utility model provides an elastic pin installation device is at the in-process of elastic pin installation, through setting up the limiting plate, set up a plurality of second through-holes on the limiting plate, the second through-hole is mutually supported with the blind hole on the first through-hole of steel backing and the base, through at the second through-hole socket joint elastic pin, the pressure head that uses the clamp plate presses the elastic pin to first through-hole and blind hole from the second through-hole in, then shift out clamp plate and limiting plate, can realize through the convenient installation elastic pin on the steel backing of one-step method, the process is complicated when having solved present elastic pin installation, the loaded down with trivial details problem of step. The utility model discloses according to the installation demand of elastic pin, use a installation device to realize the simple and direct installation of one step of elastic pin, improve production efficiency, practice thrift manufacturing cost, have great practical application and worth.

In a second aspect, the present invention also provides a machine tool machining platform, which includes the above elastic pin mounting device.

Compared with the prior art, the utility model provides a lathe processing platform's beneficial effect is the same with above-mentioned technical scheme's elastic pin installation device's beneficial effect, and it is here not repeated to do

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is a schematic perspective view of an elastic pin mounting device according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a train brake pad and a spring pin according to an embodiment of the present invention;

fig. 3 is a schematic view illustrating an installation effect of the train brake pad and the elastic pin according to an embodiment of the present invention;

fig. 4 is a schematic partial diagram of a train brake pad and a spring pin installation process according to an embodiment of the present invention.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. 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 will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The elastic pin is also called a spring pin, an elastic cylindrical pin and the like, is hollow in the middle, and has elastic transverse openings. To present elastic pin installation device operating procedure when using complicated, the technical problem that production efficiency is low, the embodiment of the utility model provides an elastic pin installation device. Fig. 1 shows a schematic structural diagram of an elastic pin mounting device provided by an embodiment of the present invention.

Referring to fig. 1, the embodiment of the present invention provides an elastic pin installation apparatus for installing elastic pins 42 in a plurality of first through holes 41 of a steel back 4. The mounting device includes: the device comprises a base 1, a limiting plate 2 and a pressing plate 3. A clamping groove 11 is formed in the base 1, a plurality of blind holes 12 are formed in the bottom of the clamping groove 11, and the clamping groove 11 is used for clamping the steel back 4. When the steel backing 4 is clamped in the clamping groove 11, the blind hole 12 and the first through hole 41 are concentrically arranged. The limiting plate 2 is provided with a plurality of second through holes 21, and the second through holes 21, the first through holes 41 and the blind holes 12 are arranged concentrically. The press plate 3 is provided with a plurality of press heads 31. In the case where the elastic pin 42 is received in the second through hole 21, the pressing head 31 is received in the second through hole 21 by the pressing plate 3, so that the elastic pin 42 is received in the first through hole 41 and the blind hole 12.

Compared with the prior art, in the above technical solution, please refer to fig. 1, the base 1, the limiting plate 2 and the pressing plate 3 are arranged to form an elastic pin installation device. The clamping groove 11 arranged on the base 1 is matched with the structure of the steel back 4, and the blind holes 12 at the bottom of the clamping groove 11 are concentrically arranged with the first through holes 41 for installing the elastic pins on the steel back 4. The blind hole 12 and the first through hole 41 should be arranged concentrically with the second through hole 21 on the limiting plate 2 and the pressing head 31 on the pressing plate 3. During the use, can be with the joint of steel backing 4 in draw-in groove 11, install the elastic pin 42 in the second through-hole 21 of limiting plate 2, make the pressure head 31 of clamp plate 3 just exert pressure downwards hard to the elastic pin 42, press the elastic pin 42 to the first through-hole 41 of steel backing 4 and the blind hole 12 of draw-in groove 11 bottom in. After completion, the pressing plate and the limiting plate are removed, and the installation of the elastic pin 42 on the steel backing 4 can be directly completed through a one-step method. The installation of the elastic pin 42 on the steel backing 4 is directly finished by the one-step method, the production efficiency of the steel backing is improved, the production cost is saved, and the method has a great practical application value.

In an alternative mode, referring to fig. 1, in order to further reduce the production cost of the pressing plate, the pressing head 31 and the pressing plate 3 of the elastic pin installation device provided by the embodiment of the present invention may be assembled in a split manner. For example: the pressing plate 3 comprises a plurality of third through holes 32, and one end of the pressing head 31 is fixedly arranged in the third through holes 32. The fixing mode of the pressure head 31 can be spiral fixing or interference fit fixing. And is not particularly limited herein. At this point, it will be appreciated that the other end of the ram 31 is a free end which can act on a resilient pin. In the use process of the press plate 3 which is assembled in a split mode, when the press head 31 is used and abraded for multiple times, the press plate 3 can be reused only by replacing the press head 31, and the press plate 3 has the effect of saving cost. Of course, in practical applications, the pressing head 31 and the pressing plate 3 may be integrally formed.

As an alternative, in the process of pressing the elastic pin in the position limiting plate into the steel backing by using the pressure head, in order to make it easier for the pressure head to apply force to the elastic pin, the pressure head can be generally set to be in a conical cylindrical structure. In this embodiment, referring to fig. 1 and 4, an end of the pressure head 31 away from the pressure plate 3 is a tapered cylinder, and a radial dimension of the tapered cylinder gradually decreases in a direction away from the pressure plate 3. Illustratively, the tapered cylinder has a taper angle of 5 °. As another example, the radial dimension of the tapered cylinder transitions from 9.6mm to 7.9mm in diameter in a direction away from the platen. Furthermore, in order to enable the pressure head 31 to press the elastic pin 42 from the second through hole 21 into the first through hole 41, it should be understood that the minimum radial dimension of the pressure head 31 should be greater than the radial dimension of the hollow of the end face of the elastic pin 42 inserted in the second through hole 21, close to the pressure head, so that the pressure head can act on the elastic pin. For example, an end surface of the elastic pin 42 near the pressure head 31 in the second through hole 21 may be in the shape of an open circular ring or a circular ring, and an inner ring diameter of the open circular ring or the circular ring is smaller than a minimum radial dimension of the pressure head. Adopt the pressure head of above-mentioned structure this moment, can make things convenient for, in quick and accurate follow the second through-hole with the elastic pin and press into first through-hole, improve the convenience and the accuracy nature of assembly.

As an alternative embodiment, referring to fig. 1, 3 and 4, the height of the second through hole 21 in the limiting plate 2 along the axial direction is the same as the height of the portion of the pressing head 31 protruding from the pressing plate 3. Further, it is also possible to select that the height of the second through hole 21 in the axial direction is larger than the height of the elastic pin 42 in the axial direction. Further, the sum of the height of the first through hole 41 in the axial direction and the height of the blind hole 12 in the axial direction is the same as the height of the elastic pin 42 in the axial direction. At this time, the size of the elastic pin 42 is the same as the size of the space formed by the first through hole 41 and the blind hole 12 in the mounting device, in which the elastic pin is accommodated.

By adopting the installation device, when the pressure head 31 presses the elastic pin 42 into the first through hole 41 from the second through hole 21, one end of the elastic pin 42 can extend out of the first through hole into the blind hole, and the other end of the elastic pin 42 is just flush with the upper surface of the steel backing 4. At this time, it is ensured that the pressing head 31 presses the elastic pin 42 completely out of the second through hole 21 of the restriction plate 2 without further applying a force to the elastic pin 42 inserted into the first through hole 41, so that the position of the elastic pin 42 in the first through hole 41 is not displaced, further ensuring the accuracy of the mounting device in mounting the elastic pin.

As an alternative embodiment, referring to fig. 1 and 4, the structure of the second through hole 21 is matched with the structure of the portion of the pressing head 31 protruding from the pressing plate 3. At this time, when the indenter 31 is inserted into the second through-hole 21 and acts on the elastic pin 42 in the second through-hole 21, the elastic pin 42 is pressed into the first through-hole 41. Because the structure of the pressure head 31 is matched with the structure of the second through hole 21, the pressure head 31 can be relatively fixed in the second through hole 21 along the axial extension direction, the influence of the pressure head 31 on the position of the elastic pin 42 pressed into the first through hole 41 is further reduced, and the assembly precision is improved. Compared with the prior art, the utility model provides an elastic pin installation device not only can be fast, convenient assemble elastic pin and steel backing, can make whole elastic pin installation device relatively fixed in the use along second through-hole axial direction of extension moreover.

As an alternative, with reference to fig. 1, the aperture of the first through hole 41 may be smaller than the radial dimension of the elastic pin 42 in the natural state; the diameter of the second through hole 21 may be smaller than the radial dimension of the elastic pin 42 in the natural state. Thus, the elastic pin 42 can be fixed by interference fit when it is inserted into the first through hole 41 or the second through hole 21.

As an alternative embodiment, referring to fig. 1, 2 and 4, one end of the spring pin 42 has a chamfer. When the elastic pin mounting device is used for mounting the elastic pin, when the elastic pin 42 is inserted into the second through hole 21, one end of the elastic pin 42 with a chamfer is close to the base 1, and one end of the elastic pin 42 far away from the chamfer is close to the pressure plate 3. At this time, when the pressing head 31 acts downward on the elastic pin 42 in the second through hole, one end of the elastic pin 42 with a chamfer angle is inserted into the blind hole 12, and one end of the elastic pin 42 away from the chamfer angle is inserted into the first through hole 41 and is flush with the upper surface of the steel back 4. Of course, the elastic pin with the chamfer at both ends can be selected according to actual requirements.

The embodiment of the utility model provides a still provide a machine tool machining platform, including above-mentioned elastic pin installation device.

Compared with the prior art, the utility model provides a lathe processing platform's beneficial effect is the same with above-mentioned technical scheme's elastic pin installation device's beneficial effect, and the here is not repeated.

In the foregoing description of embodiments, the particular features, structures, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A spring pin mounting device, wherein the mounting device is used for mounting spring pins in a plurality of first through holes of a steel backing, the mounting device comprises:

the device comprises a base, wherein a clamping groove is formed in the base, and a plurality of blind holes are formed in the bottom of the clamping groove; the clamping groove is used for clamping the steel back; when the steel backing is clamped in the clamping groove, the blind hole and the first through hole are concentrically arranged;

the limiting plate is provided with a plurality of second through holes, and the second through holes, the first through holes and the blind holes are concentrically arranged;

and the pressing plate is provided with a plurality of pressing heads, and under the condition that the second through hole is internally inserted with the elastic pin, the pressing heads are inserted in the second through hole under the action of the pressing plate, so that the elastic pin is inserted in the first through hole and the blind hole.

2. The spring pin mounting arrangement of claim 1, wherein the pressure plate includes a plurality of third through holes, one end of the pressure head being fixedly disposed within the third through holes; and/or one end of the pressure head, which is far away from the pressure plate, is a conical cylinder, and the radial dimension of the conical cylinder is gradually reduced along the direction of far away from the pressure plate.

3. A spring pin mounting arrangement according to claim 2, wherein the tapered cylinder has a taper angle of 5 °.

4. The spring pin mounting arrangement of claim 2, wherein a radial dimension of the tapered cylinder transitions from 9.6mm to 7.9mm in a direction away from the pressure plate.

5. The spring pin mounting device according to any one of claims 2 to 4, wherein the second through hole has the same height in the axial direction as the height of the ram protruding from the platen portion; and/or the presence of a gas in the gas,

the height of the second through hole in the axial direction is higher than the height of the elastic pin in the axial direction.

6. A spring pin mounting arrangement according to any one of claims 2 to 4, wherein the second through-hole is configured to cooperate with the formation of the ram projecting from the platen portion.

7. The spring pin mounting arrangement as claimed in claim 1, wherein the sum of the height of the first through hole in the axial direction and the height of the blind hole in the axial direction is the same as the height of the spring pin in the axial direction.

8. The spring pin mounting arrangement of claim 1, wherein the first through hole has a bore diameter smaller than a natural radial dimension of the spring pin; the aperture of the second through hole is smaller than the radial dimension of the elastic pin in a natural state.

9. A machine tool machining platform comprising a spring pin mounting arrangement as claimed in any one of claims 1 to 8.