CN211437970U - Automatic riveting tools of general type powder metallurgy brake lining of forked tail - Google Patents
Automatic riveting tools of general type powder metallurgy brake lining of forked tail Download PDFInfo
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- CN211437970U CN211437970U CN201922079469.XU CN201922079469U CN211437970U CN 211437970 U CN211437970 U CN 211437970U CN 201922079469 U CN201922079469 U CN 201922079469U CN 211437970 U CN211437970 U CN 211437970U
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- bottom plate
- powder metallurgy
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Abstract
The utility model discloses an automatic riveting tools of forked tail general type powder metallurgy brake lining, top board swing joint is on the bottom plate, is equipped with the friction piece on the bottom plate and places the subassembly, still is equipped with on the bottom plate and places the steel backing locating component that the subassembly is assorted with the friction piece, the friction piece is placed the subassembly and is included a plurality of recesses that match with the friction piece shape, the bottom fixed mounting of recess has the riveting reference column that matches with the mounting hole of friction piece, the top of riveting reference column is equipped with the pinhole, it has the rivet locating pin to peg graft in the pinhole, be equipped with a plurality of riveting holes that correspond one-to-one with the rivet locating pin on; the utility model discloses place the crew cut rivet on the rivet locating pin during the use, upwards with friction body subassembly skeleton, place dish-shaped shell fragment concave surface down on the friction body, openly upwards place the steel backing on the friction body, close the top board, adjust adjusting bolt and make adjusting bolt be in horizontal position when making the top board push down, then begin to rivet through the riveter.
Description
Technical Field
The utility model relates to a railway product spare part manufacturing field, concretely relates to automatic riveting tools of general type powder metallurgy brake lining of forked tail.
Background
In recent years, the high-speed railway in China has been developed rapidly, and with the improvement of the speed of the train, how to safely stop the train running at high speed is an important problem related to life and property safety. The train brake has various modes such as resistance brake, magnetic track brake, eddy current brake, friction brake and the like, wherein the friction brake is indispensable. The friction braking mode is to convert kinetic energy into heat energy through friction and then dissipate the heat energy into the atmosphere. The friction brake of the high-speed train usually adopts a disc brake mode, and the purpose of consuming the kinetic energy of the train is achieved by utilizing the mutual friction between a brake disc and a brake pad. Therefore, the performance of these two components becomes an important aspect in relation to the operational safety of the train.
At present, high-speed motor train units operated on China railways mainly comprise CRH1, CRH2, CRH3 and CRH5 series, and all use a disc brake mode. The brake pad and brake mounting interface is divided into a dovetail type (including universal and non-universal) and a non-dovetail type. The dovetail brake pad is mainly installed on the brake by a dovetail plate at the back of the brake pad to play a braking role. At present, the connection mode between the brake pad steel backing and the friction body has two types: welded connections and riveted connections. The dovetail universal powder metallurgy brake pad is mainly connected by riveting a friction body and a steel backing.
However, the riveting connection is mostly completed by manual riveting, and the method has the following two defects: (1) the friction body and the steel backing are not firmly riveted, so that the brake pad has the block falling phenomenon in the braking process; (2) the flatness of the riveted product cannot meet the requirement, so that the brake pad is eccentric in the braking process, and the working efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an automatic riveting tools of general type powder metallurgy brake lining of forked tail is provided aims at solving the problem that riveting insecure and the plane degree requirement that general type powder metallurgy brake lining of forked tail appears at manual riveting in-process.
In order to solve the technical problem, the technical scheme of the utility model is that: the dovetail universal type automatic riveting tool for the powder metallurgy brake pad comprises a bottom plate and an upper pressing plate, wherein the upper pressing plate is movably connected to the bottom plate; the bottom plate is provided with a friction body placing assembly, and the bottom plate is also provided with a steel back positioning assembly matched with the friction body placing assembly; the friction body placing assembly comprises a plurality of grooves matched with the friction bodies in shape, the number of the grooves corresponds to the number of the friction bodies on the finished brake pad, and the grooves are arranged according to the position relation of the friction bodies on the finished brake pad; the bottom of the groove is fixedly provided with a riveting positioning column matched with the mounting hole of the friction body, the top end of the riveting positioning column is provided with a pin hole, and a rivet positioning pin is inserted in the pin hole; and the upper pressing plate is provided with a plurality of riveting holes which are in one-to-one correspondence with the rivet positioning pins.
The bottom of the groove is provided with a through hole matched with the riveting positioning column, and the outer side of the middle section of the riveting positioning column is provided with an annular bulge which is used for supporting the riveting positioning column above the through hole.
The steel backing positioning assembly comprises four steel backing positioning pins fixedly mounted on the bottom plate, and the four steel backing positioning pins are arranged according to the positions of the positioning holes of the finished brake pad steel backing corresponding to the friction body placing assembly.
The four steel back positioning pins comprise two cylindrical positioning pins and two trimming positioning pins; the two cylindrical positioning pins are positioned at the inner sides or the outer sides of the two trimming positioning pins.
Two rotating pins are oppositely and fixedly installed at the left and right sides of the rear end of the upper pressure plate, and two rotating seats matched with the rotating pins are fixedly installed on the bottom plate; and a cushion block is fixedly arranged on the bottom plate.
The upper pressure plate is provided with a plurality of screw holes which vertically penetrate through the upper pressure plate, and adjusting bolts are screwed in the screw holes.
The front end of the upper pressure plate is provided with a handle.
The bottom of the upper pressure plate is provided with two rectangular grooves.
According to the technical scheme, the dovetail universal automatic riveting tool for the powder metallurgy brake pad is characterized in that the upper pressing plate is movably connected to the bottom plate, a friction body placing assembly is arranged on the bottom plate, a steel back positioning assembly matched with the friction body placing assembly is further arranged on the bottom plate, the friction body placing assembly comprises a plurality of grooves matched with the friction body in shape, riveting positioning columns matched with mounting holes of the friction body are fixedly mounted at the bottoms of the grooves, pin holes are formed in the top ends of the riveting positioning columns, rivet positioning pins are inserted into the pin holes, and a plurality of riveting holes corresponding to the rivet positioning pins in a one-to-one mode are formed in the upper pressing plate; the utility model discloses place the crew cut rivet on the rivet locating pin during the use, upwards with friction body subassembly skeleton, the mounting hole passes the crew cut rivet and places on the frock, place dish-shaped shell fragment concave surface down on the friction body, openly upwards place the steel backing on the friction body, close the top board, adjust adjusting bolt and make adjusting bolt and steel backing contact, be in horizontal position when the top board pushes down, then begin to rivet through the riveter, the effectual gate plate riveting in-process riveting insecure problem that can not reach the requirement with the plane degree of having solved, and the manpower has been saved greatly, show and improve gate plate riveted efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural view of the riveting positioning column according to the embodiment of the present invention;
fig. 3 is a schematic structural diagram of a through hole according to an embodiment of the present invention.
In the figure: 1-a bottom plate; 2-an upper pressing plate; 3-a groove; 4-riveting the positioning column; 41-pin holes; 42-an annular projection; 5-rivet locating pins; 6-through holes; 7-steel back positioning pin; 71-cylindrical locating pins; 72-trimming positioning pins; 8-a rotation pin; 9-a rotating seat; 10-cushion block; 11-screw holes; 12-a handle; 13-a rectangular groove; 14-riveting the hole.
Detailed Description
As shown in fig. 1 to 3, the dovetail universal type automatic riveting tool for the powder metallurgy brake pad comprises a bottom plate 1 and an upper pressure plate 2, wherein the upper pressure plate 2 is movably connected to the bottom plate 1; a friction body placing assembly is arranged on the bottom plate 1, and a steel back positioning assembly matched with the friction body placing assembly is further arranged on the bottom plate 1; the friction body placing assembly comprises a plurality of grooves 3 matched with the friction bodies in shape, the number of the grooves 3 corresponds to the number of the friction bodies on the finished brake pad, and the grooves 3 are arranged according to the position relation of the friction bodies on the finished brake pad; the bottom of the groove 3 is fixedly provided with a riveting positioning column 4 matched with a mounting hole of the friction body, the top end of the riveting positioning column 4 is provided with a pin hole 41, and a rivet positioning pin 5 is inserted into the pin hole 41; the upper press plate 2 is provided with a plurality of riveting holes 14 corresponding to the rivet positioning pins 5 one to one.
The bottom of recess 3 be equipped with riveting reference column 4 assorted through-hole 6, the outside of the middle section of riveting reference column 4 is equipped with and is used for it to support annular arch 42 in the top of through-hole 6.
Specifically, the utility model discloses the bottom plate is opened the position of placing that has the recess 3 of ten rubbing block shapes with the definite rubbing block on the bottom plate according to finished product brake lining rubbing block subassembly position relation. Three through holes 6 are formed in each groove 3 according to the shape of the friction body assembly, and riveting positioning columns 4 are placed in the through holes 6 to ensure that the friction bodies are fixed in position in the riveting process. The through hole 6 is in interference fit with the riveting positioning column 4 to prevent the riveting positioning column 4 from falling off, and the annular bulge 42 prevents the riveting positioning column 4 from sinking into the through hole 6. In order to facilitate rivet placement, a pin hole 41 is formed above the riveting positioning column 4, and a rivet positioning pin 5 is placed in the pin hole 41. In order to facilitate replacement in later work, the rivet positioning pin 5 is in clearance fit with the pin hole 41.
The steel backing positioning assembly comprises four steel backing positioning pins 7 fixedly mounted on the bottom plate 1, and the four steel backing positioning pins 7 are arranged according to the positions of the positioning holes of the finished brake pad steel backing corresponding to the friction body placing assembly.
In order to ensure that the steel back assembly can be conveniently placed, the four steel back positioning pins 7 comprise two cylindrical positioning pins 71 and two trimming positioning pins 72; the two cylindrical positioning pins 71 are located inside or outside the two chamfered positioning pins 72.
Two rotating pins 8 are oppositely and fixedly arranged at the left and right sides of the rear end of the upper pressure plate 2, and two rotating seats 9 matched with the rotating pins 8 are fixedly arranged on the bottom plate 1; the bottom plate 1 is also fixedly provided with a cushion block 10 to ensure that the product is not influenced by the weight of the upper pressure plate 2 in the riveting process.
The upper pressure plate 2 is provided with a plurality of screw holes 11 which vertically penetrate through the upper pressure plate 2, and adjusting bolts (marked in the figure) are screwed in the screw holes 11. During riveting operation, the adjusting bolt is in contact with the steel backing to ensure that the upper pressure plate 2 is in a horizontal position when being pressed downwards.
In order to facilitate lifting the upper pressing plate 2 in the riveting operation process, a handle 12 is arranged at the front end of the upper pressing plate 2.
The bottom of the upper pressure plate 2 is provided with two rectangular grooves 13. The bottom of the upper pressure plate 2 is provided with two rectangular grooves 13 according to the shape of the dovetail plate of the finished brake pad, so that the upper pressure plate is ensured not to interfere with riveting operation.
The using method comprises the following steps: and (3) placing the flat-head rivet on the rivet positioning pin 5, enabling the framework of the friction body assembly to face upwards, and placing the installation hole on a tool after penetrating through the flat-head rivet. The concave surface of the dish-shaped elastic sheet is downwards placed on the friction body. The front side (with a mark) of the steel back is placed upwards on the friction body, and the steel back opening pin needs to be inserted into a drilling hole of the friction body, and a steel back rivet hole needs to penetrate through a flat head rivet.
After the placement is finished, whether each component is installed in place or not is checked, the upper pressing plate 2 is closed, the adjusting bolts are adjusted to enable the adjusting bolts to be in contact with the steel backing, the upper pressing plate 2 is in a horizontal position when pressed downwards, and riveting is started through a riveting machine.
The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides an automatic riveting tools of general type powder metallurgy brake lining of forked tail, its characterized in that: the device comprises a bottom plate and an upper pressure plate, wherein the upper pressure plate is movably connected to the bottom plate; the bottom plate is provided with a friction body placing assembly, and the bottom plate is also provided with a steel back positioning assembly matched with the friction body placing assembly; the friction body placing assembly comprises a plurality of grooves matched with the friction bodies in shape, the number of the grooves corresponds to the number of the friction bodies on the finished brake pad, and the grooves are arranged according to the position relation of the friction bodies on the finished brake pad; the bottom of the groove is fixedly provided with a riveting positioning column matched with the mounting hole of the friction body, the top end of the riveting positioning column is provided with a pin hole, and a rivet positioning pin is inserted in the pin hole; and the upper pressing plate is provided with a plurality of riveting holes which are in one-to-one correspondence with the rivet positioning pins.
2. The automatic riveting tools of general type powder metallurgy brake lining of forked tail of claim 1, characterized in that: the bottom of the groove is provided with a through hole matched with the riveting positioning column, and the outer side of the middle section of the riveting positioning column is provided with an annular bulge which is used for supporting the riveting positioning column above the through hole.
3. The automatic riveting tools of general type powder metallurgy brake lining of forked tail of claim 1, characterized in that: the steel backing positioning assembly comprises four steel backing positioning pins fixedly mounted on the bottom plate, and the four steel backing positioning pins are arranged according to the positions of the positioning holes of the finished brake pad steel backing corresponding to the friction body placing assembly.
4. The automatic riveting tools of general type powder metallurgy brake lining of forked tail of claim 3, characterized in that: the four steel back positioning pins comprise two cylindrical positioning pins and two trimming positioning pins; the two cylindrical positioning pins are positioned at the inner sides or the outer sides of the two trimming positioning pins.
5. The automatic riveting tools of general type powder metallurgy brake lining of forked tail of claim 1, characterized in that: two rotating pins are oppositely and fixedly installed at the left and right sides of the rear end of the upper pressure plate, and two rotating seats matched with the rotating pins are fixedly installed on the bottom plate; the bottom plate is also fixedly provided with a cushion block, and when the upper pressure plate is attached to the cushion block, the upper pressure plate is parallel to the bottom plate.
6. The automatic riveting tools of general type powder metallurgy brake lining of forked tail of claim 5, characterized in that: the upper pressure plate is provided with a plurality of screw holes which vertically penetrate through the upper pressure plate, and adjusting bolts are screwed in the screw holes.
7. The automatic riveting tools of general type powder metallurgy brake lining of forked tail of claim 5, characterized in that: the front end of the upper pressure plate is provided with a handle.
8. The automatic riveting tools of general type powder metallurgy brake lining of forked tail of claim 5, characterized in that: the bottom of the upper pressure plate is provided with two rectangular grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922079469.XU CN211437970U (en) | 2019-11-27 | 2019-11-27 | Automatic riveting tools of general type powder metallurgy brake lining of forked tail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922079469.XU CN211437970U (en) | 2019-11-27 | 2019-11-27 | Automatic riveting tools of general type powder metallurgy brake lining of forked tail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211437970U true CN211437970U (en) | 2020-09-08 |
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ID=72318043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922079469.XU Active CN211437970U (en) | 2019-11-27 | 2019-11-27 | Automatic riveting tools of general type powder metallurgy brake lining of forked tail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211437970U (en) |
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2019
- 2019-11-27 CN CN201922079469.XU patent/CN211437970U/en active Active
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