CN212577957U

CN212577957U - Automatic assembly of hydraulic caliper piston and sliding resistance detection mechanism thereof

Info

Publication number: CN212577957U
Application number: CN202021397681.7U
Authority: CN
Inventors: 曹海波; 代兵
Original assignee: Hubei Jingchuan Intelligent Equipments Co ltd
Current assignee: Hubei Jingchuan Intelligent Equipments Co ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-02-23
Anticipated expiration: 2030-07-16

Abstract

The utility model relates to an automatic assembly and detection mechanism, concretely relates to automatic assembly and sliding resistance detection mechanism of hydraulic pressure tong piston. The mechanism comprises a rack and an assembly detection head, wherein the assembly detection head is symmetrically arranged on the rack and comprises a jacking device, a distance adjusting device and a jacking column, the distance adjusting device is arranged below the jacking device, and the jacking column is arranged on one side of the jacking device through a buffer cylinder. When the mechanism is used for installing the horizontal bar pistons, the two horizontal bar pistons can be automatically installed at the same time through the symmetrically arranged assembly detection heads, so that the labor intensity can be effectively reduced, and the working efficiency can be improved; after the piston is remodeled or when the double-cylinder piston is installed, the distance between the jacking columns can be adjusted through the distance adjusting device, the distance is matched with the remodeled piston or the double-cylinder piston, installation is convenient, installation quality can be guaranteed through the pressure sensor and the displacement sensor, equipment and workpieces are protected, and the problems that the traditional installation detection mode is low in working efficiency and high in labor intensity are solved.

Description

Automatic assembly of hydraulic caliper piston and sliding resistance detection mechanism thereof

Technical Field

The utility model relates to an automatic assembly and detection mechanism, concretely relates to automatic assembly and sliding resistance detection mechanism of hydraulic pressure tong piston.

Background

Brake calipers, which are widely used in vehicles to generate braking force through interaction between the brake caliper, which is generally fixed to a frame of the vehicle, and a brake disc, which is fixed to a wheel, are one of the core components of a brake system. The brake caliper comprises C-shaped pliers, a dust cover and a piston, and the piston slides on the C-shaped pliers and the dust cover under the action of hydraulic oil so as to push a brake pad on the piston and a brake disc to generate braking force in a friction mode. During the assembly process of the piston and the calipers, the sliding resistance of the piston, the dust cover and the C-shaped pliers needs to be detected, so that the situation that the sliding resistance of the piston, the dust cover and the C-shaped pliers is too large to cause insufficient braking force is avoided. At present, the automatic assembly of the hydraulic caliper piston and the sliding resistance detection thereof are both manually operated, and the assembly and detection processes are not only low in efficiency, but also high in labor intensity, so that the improvement is necessary.

Disclosure of Invention

The utility model aims at: aiming at the defects of the prior art, the automatic assembly of the hydraulic caliper piston and the sliding resistance detection mechanism thereof can automatically assemble the piston and can detect the sliding resistance of the piston so as to solve the problems of high labor intensity and low working efficiency in the existing assembly and detection processes.

The technical scheme of the utility model is that:

the utility model provides an automatic assembly and sliding resistance detection mechanism of hydraulic pressure callipers piston, it comprises frame and assembly detection head, and the symmetry is provided with the assembly in the frame and detects head, its characterized in that: the assembly detection head consists of a jacking device, a distance adjusting device and a jacking column, wherein the distance adjusting device is arranged below the jacking device, and the jacking column is arranged on one side of the jacking device through a buffer cylinder; and the top end of the top column is provided with a displacement sensor and a pressure sensor.

The jacking device comprises an installation seat, a jacking motor, a jacking lead screw and a supporting plate, wherein the installation seat is T-shaped, the jacking motor is fixedly arranged on the installation seat, the jacking lead screw is movably arranged on the installation seat at one side of the jacking motor through a bearing, and the supporting plate is movably arranged on the jacking lead screw; the end of the jacking screw rod is provided with a lifting synchronous wheel, and the lifting synchronous wheel is connected with a jacking motor through a synchronous belt; the supporting plate is fixedly connected with the buffer cylinder through a mounting plate.

The supporting plate is in an inverted L shape.

The mounting base is provided with a lifting guide rail corresponding to the jacking screw rod, and the lifting guide rail is connected with the supporting plate in a sliding manner.

The mounting panel on be provided with the buffering slide rail, buffering slide rail and fore-set sliding connection.

The distance adjusting device consists of an assembling seat, a distance adjusting screw rod, a positioning block and a distance adjusting motor, wherein the distance adjusting screw rod is movably installed on the assembling seat through a bearing, the positioning block is movably installed on the distance adjusting screw rod, and the distance adjusting motor is arranged above the positioning block; the end of the distance adjusting screw rod is provided with a distance adjusting synchronous wheel which is connected with a distance adjusting motor through a synchronous belt; the positioning block is fixedly connected with the mounting seat; the distance-adjusting motor and the assembling seat are respectively fixedly connected with the frame.

The assembly seat is provided with a distance adjusting guide rail corresponding to the distance adjusting screw rod, and the distance adjusting guide rail is connected with the positioning block in a sliding mode.

The beneficial effects of the utility model reside in that:

the automatic assembly and sliding resistance detection mechanism of the hydraulic caliper piston can automatically install the piston and automatically detect the sliding resistance of the piston through the assembly detection head, so that the labor intensity can be effectively reduced, and the working efficiency can be improved; the automatic installation of two horizontal bar pistons simultaneously can be detected through the assembly that the symmetry set up when the horizontal bar piston is installed, can adjust the interval between the fore-set through the roll adjustment device and adapt to and be convenient for the installation with piston or double-cylinder piston after the remodeling after the piston or when installing double-cylinder piston, can guarantee installation quality and protective apparatus and work piece through pressure sensor and displacement sensor, solved traditional installation detection mode work efficiency low, problem that intensity of labour is big.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural diagram of the jacking device of the present invention;

FIG. 3 is an assembly view of the cushion cylinder of the present invention;

fig. 4 is a schematic structural view of the distance adjusting device of the present invention.

In the figure: 1. the device comprises a rack, 2, a jacking column, 3, a buffer cylinder, 4, a mounting seat, 5, a jacking motor, 6, a jacking screw rod, 7, a supporting plate, 8, a lifting guide rail, 9, a lifting synchronizing wheel, 10, a synchronous belt, 11, a mounting plate, 12, a buffer slide rail, 13, an assembly seat, 14, a distance adjusting screw rod, 15, a positioning block, 16, a distance adjusting motor, 17, a distance adjusting guide rail, 18, a distance adjusting synchronizing wheel, 19, a displacement sensor, 20 and a pressure sensor.

Detailed Description

The automatic assembly and sliding resistance detection mechanism of the hydraulic caliper piston is composed of a rack 1 and assembly detection heads, wherein the assembly detection heads are symmetrically arranged on the rack 1, two horizontal bar pistons can be automatically installed at the same time through the symmetrically arranged assembly detection heads when the horizontal bar pistons are installed, and the distance between the assembly detection heads is adjusted to be adapted to the piston after the piston is reshaped or when a double-cylinder piston is installed, so that the piston can be installed; the assembly detection head comprises a jacking device, a distance adjusting device and a jacking column 2, the distance adjusting device is arranged below the jacking device, a buffer cylinder 3 is arranged on one side of the jacking device, the jacking column 2 is arranged at the end of a piston rod of the buffer cylinder 3, the jacking device comprises an installation seat 4, a jacking motor 5, a jacking lead screw 6 and a supporting plate 7, the installation seat 4 is T-shaped, the jacking motor 5 is fixedly arranged on the installation seat 4, the jacking lead screw 6 is movably arranged on the installation seat 4 on one side of the jacking motor 5 through a bearing, the supporting plate 7 is movably arranged on the jacking lead screw 6, and the supporting plate 7 is in an inverted L shape; a lifting guide rail 8 is arranged on the mounting seat 4 corresponding to the jacking screw rod 6, the lifting guide rail 8 is in sliding connection with the support plate 7, and the lifting guide rail 8 is used for limiting the position of the support plate 7, so that the support plate 7 can only move upwards or downwards along the lifting guide rail 8 under the action of the jacking screw rod 6 when the jacking screw rod 6 rotates; the end of the jacking screw rod 6 is provided with a lifting synchronous wheel 9, and the lifting synchronous wheel 9 is connected with the jacking motor 5 through a synchronous belt 10; the mounting plate 11 is fixedly arranged on the supporting plate 7, and the mounting plate 11 is fixedly connected with the buffer cylinder 3; the mounting plate 11 is provided with a buffer slide rail 12, the buffer slide rail 12 is connected with the top column 2 in a sliding manner, and the buffer slide rail 12 is matched with the lifting guide rail 8 to ensure that the top column 2 cannot deviate in the movement process; the effect of cushion cylinder 3 is at the installation piston in-process, and piston and calliper dislocation, or when the piston up speed was too fast, the piston was easily collided with calliper or dust cover, and the compressibility through the interior gas of cushion cylinder 3 when the piston was easily collided with calliper or dust cover cushions the collision process to avoid damaging because of the collision in the installation between piston, calliper, the fore-set 2, can avoid jacking motor 5 to damage because of transshipping simultaneously.

The distance adjusting device is composed of an assembling seat 13, a distance adjusting screw rod 14, a positioning block 15 and a distance adjusting motor 16, wherein the distance adjusting screw rod 14 is movably installed on the assembling seat 13 through a bearing, the positioning block 15 is movably installed on the distance adjusting screw rod 14, a distance adjusting guide rail 17 is arranged on the assembling seat 13 corresponding to the distance adjusting screw rod 14, and the distance adjusting guide rail 17 is connected with the positioning block 15 in a sliding manner; a distance adjusting motor 16 is arranged above the positioning block 15; the end of the distance-adjusting screw rod 14 is provided with a distance-adjusting synchronous wheel 18, and the distance-adjusting synchronous wheel 18 is connected with a distance-adjusting motor 16 through a synchronous belt 10; the positioning block 15 is fixedly connected with the mounting seat 4; the distance-adjusting motor 16 and the assembly base 13 are respectively fixedly connected with the frame 1.

A displacement sensor 19 and a pressure sensor 20 are arranged at the top end of the top column 2, the displacement sensor 19 is a potentiometer type displacement sensor, and the pressure sensor 20 is a piezoelectric type pressure sensor; displacement sensor 19 and pressure sensor 20 are connected through program controller (not shown in the figure) electricity respectively, and jacking motor 6 and roll adjustment motor 16 are servo motor respectively, and jacking motor 6 and roll adjustment motor 16 are controlled by program controller respectively, and its specific process is:

when the piston is conveyed to the top post 2 by the conveyor belt, the program controller controls the jacking motor 5 to rotate clockwise, the jacking motor 5 drives the lifting synchronizing wheel 9 to rotate clockwise through the synchronous belt 10 in the clockwise rotation process, the jacking screw rod 6 is driven to rotate clockwise, the supporting plate 7 is further driven to move upwards along the lifting guide rail 8, the buffer cylinder 3 is driven to move upwards through the mounting plate 11 in the ascending process of the supporting plate 7, the top post 2 is driven to move upwards, the ascending process of the top post 2 is gradually sleeved into the piston, and the piston is jacked up, so that the piston and the top post 2 move upwards together; in the ascending process of the top column 2, the displacement sensor 19 measures the ascending distance of the top end of the top column 2 and uploads a displacement signal to the program controller; when the piston moves upwards to the dust cover, namely the displacement sensor 19 at the end of the ejection column 2 moves upwards to the program controller to set the displacement distance, the program controller controls the jacking motor 5 to rotate slowly, so that the piston moves upwards slowly to enter the dust cover, and the dust cover gradually wraps the outer edge of the piston; meanwhile, the program controller controls the air source to ventilate the sealing cavity of the caliper and the dust cover so as to form a certain air pressure in the dust cover, the air pressure is transmitted to the pressure sensor 20 through the piston, the pressure sensor 20 monitors the air pressure in the dust cover and uploads a pressure change signal to the program controller, when the air pressure in the dust cover is unchanged, the dust cover is damaged, and the piston is reinstalled after the dust cover needs to be replaced; the air pressure in the dust cover is gradually increased, so that the dust cover is not damaged and the piston can be continuously installed; when the program controller monitors that the pressure is gradually increased through the pressure sensor 20, the program controller stops the air supply from ventilating the air source into the sealing cavity and the dust cover of the caliper and releases the air pressure of the air source, and when the program controller detects that the air pressure is zero through the pressure sensor 20, the program controller starts the jacking motor 5 to drive the jacking column 2 to continuously move upwards in the clockwise rotation process of the jacking motor 5, so that the piston passes through the dust cover and is gradually installed into the sealing cavity of the caliper; in the process that the piston is installed in the caliper sealing cavity, when the displacement sensor 19 monitors that the displacement distance reaches the set distance of the program controller, the program controller controls the jacking motor 5 to stop and controls the air source to charge compressed air into the caliper sealing cavity, when the pressure sensor 20 monitors that the air pressure reaches the set pressure value, the program controller controls the jacking motor 5 to rotate anticlockwise, so that the jacking motor 5 drives the jacking column 2 to move downwards, the piston moves downwards under the action of the air pressure in the sealing cavity, and in the piston moving downwards process, the program controller monitors the pressure change through the pressure sensor 20 to calculate the sliding resistance between the piston and the caliper; when the program controller detects that the sliding resistance of the piston and the calipers is qualified, the program controller controls the air source to stop air supply and discharge the air pressure in the sealing cavity of the calipers; after the air pressure returns to zero, the program controller controls the jacking motor 5 to rotate clockwise to drive the jacking column 2 to move upwards, and the program controller monitors the ascending distance through the displacement sensor 19 to install the piston in place.

After the piston is remodeled or when the distance between the two cylinders of pistons needs to be adjusted, the program controller controls the adjusting motor 16 to rotate, the synchronous belt 10 drives the distance adjusting synchronous wheel 18 to drive the distance adjusting screw rod 14 to rotate, and further drives the positioning block 15 to horizontally move along the distance adjusting guide rail 17, the positioning block 15 sequentially passes through the mounting seat 4, the lifting guide rail 8, the supporting plate 7, the mounting plate 11 and the buffer cylinder 3 in the moving process to drive the two cylinders of pistons to horizontally move, so that the two cylinders of pistons move oppositely, the distance between the two cylinders of pistons 2 is adjusted, and the distance between the two cylinders of pistons 2 is matched with the distance between the single cylinders of pistons or the two cylinders of pistons after remodeled.

The automatic assembly and sliding resistance detection mechanism of the hydraulic caliper piston can automatically install the piston and automatically detect the sliding resistance of the piston through the assembly detection head, so that the labor intensity can be effectively reduced, and the working efficiency can be improved; the automatic installation of two horizontal bar pistons simultaneously can be detected through the assembly that the symmetry set up when the horizontal bar piston is installed, can adjust the interval between the fore-set 2 and adapt to and be convenient for the installation with piston or the double-cylinder piston after the remodelling through the roll adjustment device after the piston remodelling or when installing the double-cylinder piston, can guarantee installation quality and protective apparatus and work piece through pressure sensor and displacement sensor, solved traditional installation detection mode work efficiency low, problem that intensity of labour is big.

Claims

1. The utility model provides an automatic assembly and sliding resistance detection mechanism of hydraulic pressure callipers piston, it comprises frame (1) and assembly detection head, and the symmetry is provided with the assembly detection head, its characterized in that on frame (1): the assembly detection head consists of a jacking device, a distance adjusting device and a jacking column (2), wherein the distance adjusting device is arranged below the jacking device, and the jacking column (2) is arranged on one side of the jacking device through a buffer cylinder (3); and the top end of the top column (2) is provided with a displacement sensor (19) and a pressure sensor (20).

2. The automatic assembly of a hydraulic caliper piston and its sliding resistance detection mechanism of claim 1, characterized in that: the jacking device is composed of a mounting seat (4), a jacking motor (5), a jacking screw rod (6) and a supporting plate (7), wherein the mounting seat (4) is T-shaped, the jacking motor (5) is fixedly arranged on the mounting seat (4), the jacking screw rod (6) is movably arranged on the mounting seat (4) on one side of the jacking motor (5) through a bearing, and the supporting plate (7) is movably arranged on the jacking screw rod (6); the end of the jacking screw rod (6) is provided with a lifting synchronous wheel (9), and the lifting synchronous wheel (9) is connected with a jacking motor (5) through a synchronous belt (10); the supporting plate (7) is fixedly connected with the buffer cylinder (3) through a mounting plate (11).

3. The automatic assembly of a hydraulic caliper piston and its sliding resistance detection mechanism of claim 2, characterized in that: the supporting plate (7) is in an inverted L shape.

4. The automatic assembly of a hydraulic caliper piston and its sliding resistance detection mechanism of claim 2, characterized in that: the lifting guide rail (8) is arranged on the mounting base (4) corresponding to the jacking screw rod (6), and the lifting guide rail (8) is connected with the supporting plate (7) in a sliding mode.

5. The automatic assembly of a hydraulic caliper piston and its sliding resistance detection mechanism of claim 2, characterized in that: the mounting plate (11) on be provided with buffering slide rail (12), buffering slide rail (12) and fore-set (2) sliding connection.

6. The automatic assembly of a hydraulic caliper piston and its sliding resistance detection mechanism of claim 1, characterized in that: the distance adjusting device is composed of an assembling seat (13), a distance adjusting screw rod (14), a positioning block (15) and a distance adjusting motor (16), wherein the distance adjusting screw rod (14) is movably installed on the assembling seat (13) through a bearing, the positioning block (15) is movably installed on the distance adjusting screw rod (14), and the distance adjusting motor (16) is arranged above the positioning block (15); the end of the distance-adjusting screw rod (14) is provided with a distance-adjusting synchronous wheel (18), and the distance-adjusting synchronous wheel (18) is connected with a distance-adjusting motor (16) through a synchronous belt (10); the positioning block (15) is fixedly connected with the mounting seat (4); the distance-adjusting motor (16) and the assembling seat (13) are respectively and fixedly connected with the frame (1).

7. The automatic assembly of a hydraulic caliper piston and its sliding resistance detection mechanism of claim 6, characterized in that: the assembly seat (13) is provided with a distance adjusting guide rail (17) corresponding to the distance adjusting screw rod (14), and the distance adjusting guide rail (17) is connected with the positioning block (15) in a sliding manner.