CN210081237U - Automobile speed reducer shell FMS line hydraulic quick-assembling horizontal-adding clamp - Google Patents

Abstract

The utility model discloses a vapour reduction gear shell FMS line hydraulic pressure fast-assembling crouches and adds anchor clamps, belong to anchor clamps technical field, the design that the adoption can dock with the oil circuit is automatic, thereby can realize disconnection and the connection that lathe automatic control realized the oil circuit, consequently, horizontal machining center and FMS line of many trays that are applicable to no hydraulic interface, can greatly alleviate operator intensity of labour, eliminate the unstable influence to product quality of operator clamp force, improve work efficiency more than 75%, save personnel 2 people/class, the investment cost practices thrift 90%, and design adjustable mechanism realizes that the locating pin position is adjustable, the left and right sides coarse positioning piece is changed in the cooperation, the auxiliary bearing point, realize many varieties processing.

Description

A hydraulic quick-loading horizontal clamping fixture for FMS line of automobile reducer shell

technical field

The utility model belongs to the technical field of clamps, and in particular relates to a hydraulic quick-installing horizontal clamping clamp for an FMS line of an automobile reducer shell.

Background technique

The traditional multi-pallet horizontal machining center process of automobile reducer shell adopts manual clamps. When clamping parts, the operator needs to manually tighten the four clamping pressure plates on the fixture with a wrench in turn. The clamping force of each pressure plate has a large variation range. As a result, the machining accuracy of the parts is unstable, and the operator has a long operation time and high labor intensity. One person can only operate two horizontal machining centers.

Utility model content

In order to overcome the defects in the prior art, such as large variation range of the clamping force of each pressing plate, unstable machining accuracy, long operation time, high labor intensity, low labor efficiency, etc., the utility model provides an automobile reducer shell with multiple The pallet horizontal machining center process hydraulic quick-loading horizontal fixture adopts hydraulic clamping fixture and is equipped with automatic oil circuit connection device.

The utility model is achieved through the following technical solutions:

An automobile reducer shell FMS line hydraulic quick installation horizontal clamping fixture, including a fixture body 1, an oil circuit quick plug joint seat 2, a right rough positioning block 3, a first positioning pin 10, a first oil pressure sequence valve 15, a left The side rough positioning block 16, the second positioning pin 17, the first hydraulic support cylinder 19, the second hydraulic sequence valve 20, the second hydraulic support cylinder 21; the oil circuit quick-connect joint seat 2 is installed on the fixture body 1. On the right side of the bottom plate, and facing the hydraulic joint of the loading and unloading station. After the oil circuit quick-connect joint seat 2 is connected with the hydraulic joint, the hydraulic oil is supplied to each component of the fixture through the oil circuit in the oil circuit quick-connect joint seat 2; the left coarse positioning block 16 and the right coarse positioning block 3 are respectively installed on the left and right sides of the clamping body 1, 3 mm away from the contour of the part, for guiding the part to be loaded between the first positioning pin 10 and the second positioning pin 17; the first positioning pin 10 and the second positioning pin 17 are respectively located above and below the right side of the longitudinal centerline of the fixture body 1;

The four corner positions of the surface of the fixture body 1 are respectively provided with plane positioning points for fixing the parts, which are respectively the first plane positioning point 5, the second plane positioning point 6 and the third plane positioning point 12. and the fourth plane positioning point 13, wherein the fourth plane positioning point 13 is a floating support point, and the other three plane positioning points are fixed positioning points; The parts are in contact with the plane positioning point and clamped; they are the first hydraulic corner cylinder and pressure plate 4, the second hydraulic corner cylinder and pressure plate 7, the third hydraulic corner cylinder and pressure plate 11 and the fourth hydraulic corner cylinder and pressure plate 14;

The first hydraulic sequence valve 15 is installed below the fourth hydraulic angle cylinder and the pressure plate 14, the second hydraulic support cylinder 21 is installed on one side of the fourth hydraulic angle cylinder and the pressure plate 14, and the first hydraulic sequence valve 15 Connected with the second hydraulic support cylinder 21, the first hydraulic sequence valve 15 supplies oil to the second hydraulic support cylinder 21 so that the fourth plane positioning point 13 contacts the parts to play an auxiliary supporting role;

The auxiliary support point 18 is installed on the base of the fixture body 1 to prevent the foremost contour of the part from being far from the positioning point and the processing is unstable. The first hydraulic support cylinder 19 is installed below the auxiliary support point 18, and the second The hydraulic sequence valve 20 is installed below the first hydraulic support cylinder 19, the second hydraulic sequence valve 20 is connected with the first hydraulic support cylinder 19, and the second hydraulic sequence valve 20 supplies oil to the first hydraulic support cylinder 19 to make the contour The auxiliary support point 18 is in contact with the contour of the part to play an auxiliary supporting role.

Further, the top of the fixture body 1 is provided with a pressure gauge 8 and an accumulator 9, the pressure gauge 8 is used to measure the pressure value of the hydraulic oil circuit of the fixture, and the accumulator 9 is used to maintain the pressure of the oil circuit system. , to prevent the pressure leakage of the fixture during processing and the damage to the tool and the machine tool. They are installed on the top right side of the fixture, so that the operator can observe whether the pressure value is normal.

Further, the fourth plane positioning point 13 is located at the lower left corner of the surface of the fixture body 1 , and it has been verified that the floating plane support point is designed at the lower left corner to minimize the clamping deformation of the parts.

The main parameters and technical requirements of the hydraulic quick-loading horizontal clamping fixture for the FMS line of an automobile reducer shell of the utility model are as follows:

1) The weight of the hydraulic quick-loading horizontal clamping device for the FMS line of the automobile reducer shell: 563kg;

2) The diameter of the parts that can be machined by the hydraulic quick-loading horizontal clamping device of the FMS line of the automobile reducer shell: φ508-φ545;

3) The maximum allowable pressure of the fixture is 25Mpa, and the recommended pressure is 15MPa.

Compared with the prior art, the advantages of the present utility model are as follows:

The utility model adopts the design that can be automatically connected with the oil circuit in structure, so that the automatic control of the machine tool can realize the disconnection and connection of the oil circuit, so it is suitable for the multi-pallet horizontal machining center and FMS line without hydraulic interface. It greatly reduces the labor intensity of the operator, eliminates the influence of the unstable clamping force of the operator on the product quality, improves the work efficiency by more than 75%, saves 2 people/shift, and saves 90% of the investment cost, and an adjustable mechanism is designed to realize the positioning pin The position can be adjusted, and with the replacement of the left and right coarse positioning blocks and auxiliary support points, multi-variety processing can be realized.

Description of drawings

Fig. 1 is the schematic diagram of a kind of automobile reducer shell FMS line hydraulic quick-loading horizontally adding clamp of the utility model;

Fig. 2 is the sectional view of D-D direction of Fig. 1;

In the figure: fixture body 1, oil circuit quick-connect joint seat 2, right rough positioning block 3, first hydraulic corner cylinder and pressure plate 4, first plane positioning point 5, second plane positioning point 6, second hydraulic corner cylinder And pressure plate 7, pressure gauge 8, accumulator 9, first positioning pin 10, third hydraulic corner cylinder and pressure plate 11, third plane positioning point 12, fourth plane positioning point 13, fourth hydraulic corner cylinder and pressure plate 14 , the first hydraulic sequence valve 15, the left coarse positioning block 16, the second positioning pin 17, the auxiliary support point 18, the first hydraulic support cylinder 19, the second hydraulic sequence valve 20, the second hydraulic support cylinder 21 ;

Fig. 3 is a kind of oil circuit diagram of the hydraulic quick-installation horizontal clamp of the FMS line of the automobile reducer shell of the present invention;

The hydraulic station of the clamp installed at the loading and unloading station in the figure is controlled by the solenoid valve to control the disconnection and connection of the oil circuit. After the pressure reducing valve is reduced to 15MPa, the first hydraulic angle with a pressure of 550kg is supplied to the three sets of fixed plane positioning points. Cylinder and pressure plate 4, the second hydraulic corner cylinder and pressure plate 7, the third hydraulic corner cylinder and pressure plate 11, and then the fourth hydraulic corner cylinder and pressure plate 14 with a pressure of 280kg are supplied through the first hydraulic sequence valve 15 to make the pressure plate contact the parts , and supply the first hydraulic support cylinder 19 with a pressure of 550kg through the second hydraulic sequence valve 20 to make the contour auxiliary support point 18 contact the contour of the part, and the second hydraulic support cylinder 21 with a supply pressure of 800kg makes the floating plane support point 13 parts contact.

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings.

Example 1

As shown in Figure 1, an automobile reducer shell FMS line hydraulic quick installation horizontal clamping fixture includes a fixture body 1, an oil circuit quick-connect joint seat 2, a right rough positioning block 3, a first positioning pin 10, a first oil Pressure sequence valve 15, left coarse positioning block 16, second positioning pin 17, first hydraulic support cylinder 19, second hydraulic sequence valve 20, second hydraulic support cylinder 21; The seat 2 is installed on the right side of the bottom plate of the fixture body 1, and is facing the hydraulic joint of the loading and unloading station. After the oil circuit quick-connect joint seat 2 is connected with the hydraulic joint, the hydraulic oil is supplied to each part of the fixture through the oil circuit in the oil circuit quick-connect joint seat 2; The left rough positioning block 16 and the right rough positioning block 3 are respectively installed on the left and right sides of the clamping body 1, 3 mm from the outline of the part, for guiding the part to be loaded between the first positioning pin 10 and the second positioning pin 17; The first positioning pin 10 and the second positioning pin 17 are respectively located above and below the right side of the longitudinal centerline of the fixture body 1;

The four corner positions of the surface of the fixture body 1 are respectively provided with plane positioning points for fixing the parts, which are respectively the first plane positioning point 5 , the second plane positioning point 6 and the third plane positioning point 12 and the fourth plane positioning point 13, wherein, the fourth plane positioning point 13 is a floating support point, and the other three plane positioning points are fixed positioning points; The parts are in contact with the plane positioning point and clamped; they are the first hydraulic corner cylinder and pressure plate 4, the second hydraulic corner cylinder and pressure plate 7, the third hydraulic corner cylinder and pressure plate 11, and the fourth hydraulic corner cylinder and pressure plate 14;

The first hydraulic sequence valve 15 is installed below the fourth hydraulic angle cylinder and the pressure plate 14, the second hydraulic support cylinder 21 is installed on one side of the fourth hydraulic angle cylinder and the pressure plate 14, and the first hydraulic sequence valve 15 Connected with the second hydraulic support cylinder 21, the first hydraulic sequence valve 15 supplies oil to the second hydraulic support cylinder 21 so that the fourth plane positioning point 13 contacts the parts to play an auxiliary supporting role;

The auxiliary support point 18 is installed on the base of the fixture body 1 to prevent the foremost contour of the part from being far from the positioning point and the processing is unstable. The first hydraulic support cylinder 19 is installed below the auxiliary support point 18, and the second The hydraulic sequence valve 20 is installed below the first hydraulic support cylinder 19, the second hydraulic sequence valve 20 is connected with the first hydraulic support cylinder 19, and the second hydraulic sequence valve 20 supplies oil to the first hydraulic support cylinder 19 to make the contour The auxiliary support point 18 is in contact with the contour of the part to play an auxiliary supporting role.

Further, the top of the fixture body 1 is provided with a pressure gauge 8 and an accumulator 9, the pressure gauge 8 is used to measure the pressure value of the hydraulic oil circuit of the fixture, and the accumulator 9 is used to maintain the pressure of the oil circuit system. , to prevent the pressure leakage of the fixture during processing and the damage to the tool and the machine tool. They are installed on the top right side of the fixture, so that the operator can observe whether the pressure value is normal.

Further, the fourth plane positioning point 13 is located at the lower left corner of the surface of the fixture body 1 , and it has been verified that the floating plane support point is designed at the lower left corner to minimize the clamping deformation of the parts.

Put the parts under the guidance of the right rough positioning block 3 and the left rough positioning block 16 on the first positioning pin 10 and the second positioning pin 17, press the button of the console in the loading and unloading area of the FMS line, and the hydraulic joint of the loading and unloading station and the fixture are placed on the The oil circuit quick connector seat 2 is docked and supplied with oil. The first hydraulic corner cylinder and pressure plate 4, the second hydraulic corner cylinder and pressure plate 7, and the third hydraulic corner cylinder and pressure plate 11 connect the parts to the first plane positioning point 5, the second hydraulic corner cylinder and the pressure plate 11. The plane positioning point 6 and the third plane positioning point 12 are in contact and clamped, and the fourth plane positioning point 13 is in contact with the parts under the action of the first hydraulic sequence valve 15 and the second hydraulic support cylinder 21 to play an auxiliary supporting role. The auxiliary support point 18 is in contact with the parts under the action of the second hydraulic sequence valve 20 and the first hydraulic support cylinder 19 to play an auxiliary supporting role. After reaching the rated pressure of 15MPa, the oil circuit is automatically disconnected, and the accumulator 9 performs Hold the pressure, complete the clamping of the parts, and send them to the machine tool for processing.

The main parameters and technical requirements of the hydraulic quick-loading horizontal clamping fixture for the FMS line of an automobile reducer shell of the utility model are as follows:

1) The weight of the hydraulic quick-loading horizontal clamping device for the FMS line of the automobile reducer shell: 563kg;

2) The diameter of the parts that can be machined by the hydraulic quick-loading horizontal clamping device of the FMS line of the automobile reducer shell: φ508-φ545;

3) The maximum allowable working pressure of the fixture is 25Mpa, and the actual working pressure is 15MPa.

When the device is in operation, after placing the parts into the positioning pins, press the console button, the hydraulic oil circuit of the loading and unloading station is automatically connected with the fixture, and after the clamping reaches the rated pressure, the hydraulic oil circuit of the loading and unloading station is automatically disconnected from the fixture, and the hydraulic oil circuit of the loading and unloading station is automatically disconnected from the fixture. The accumulator holds pressure, and the fixture is sent to the machine tool for processing to realize safe automatic upper and lower parts clamping.

Claims (3)

1. An automobile reducer shell FMS line hydraulic quick-loading horizontal clamping fixture is characterized in that, comprising a fixture body (1), an oil circuit quick-connecting joint seat (2), a right rough positioning block (3), a first positioning pin (10), first hydraulic sequence valve (15), left coarse positioning block (16), second positioning pin (17), first hydraulic support cylinder (19), second hydraulic sequence valve (20) , the second hydraulic support cylinder (21); the oil circuit quick-connect joint seat (2) is installed on the right side of the bottom plate of the fixture body (1), and faces the hydraulic connector of the loading and unloading station, and the oil circuit quick-connect connector seat (2) ) is connected with the hydraulic joint and the hydraulic oil is supplied to the fixture components through the oil circuit in the oil circuit quick-connect joint seat (2); the left coarse positioning block (16) and the right coarse positioning block (3) are respectively installed on the fixture body The left and right sides of (1) are 3mm away from the contour of the part, used to guide the part to be installed between the first positioning pin (10) and the second positioning pin (17); the first positioning pin (10) and the second positioning pin (10) and the second positioning pin (17) The pins (17) are respectively located above and below the right side of the longitudinal centerline of the fixture body (1); Four apex positions of the surface of the fixture body (1) are respectively provided with plane positioning points for fixing the parts, which are respectively a first plane positioning point (5), a second plane positioning point (6), The third plane positioning point (12) and the fourth plane positioning point (13), wherein the fourth plane positioning point (13) is a floating support point, and the other three plane positioning points are fixed positioning points; Both are provided with a hydraulic corner cylinder and a pressure plate, which are used to contact and clamp the parts with the plane positioning point; respectively, the first hydraulic corner cylinder and pressure plate (4), the second hydraulic corner cylinder and pressure plate (7), and the third hydraulic corner a cylinder and a pressure plate (11) and a fourth hydraulic corner cylinder and a pressure plate (14); The first hydraulic sequence valve (15) is installed below the fourth hydraulic angle cylinder and the pressure plate (14), and the second hydraulic support cylinder (21) is installed at one side of the fourth hydraulic angle cylinder and the pressure plate (14). , the first hydraulic sequence valve (15) is connected with the second hydraulic support cylinder (21), the first hydraulic sequence valve (15) supplies oil to the second hydraulic support cylinder (21) to make the fourth plane positioning point ( 13) Contact with parts to play an auxiliary supporting role; The auxiliary support point (18) is installed on the base of the fixture body (1) to prevent the foremost contour of the part from being far from the positioning point and the processing is unstable, and the first hydraulic support cylinder (19) is installed at the auxiliary support point (18) Below, the second hydraulic sequence valve (20) is installed below the first hydraulic support cylinder (19), the second hydraulic sequence valve (20) is connected with the first hydraulic support cylinder (19), the second hydraulic sequence The valve (20) supplies oil to the first hydraulic support cylinder (19) so that the auxiliary support point (18) contacts the contour of the part to play an auxiliary supporting role. 2. A kind of hydraulic quick-loading horizontal clamp for automobile reducer shell FMS line as claimed in claim 1, characterized in that, the top of the clamp body (1) is provided with a pressure gauge (8) and an accumulator (9) ), the pressure gauge (8) is used to measure the pressure value of the hydraulic oil circuit of the fixture, and the accumulator (9) is used to maintain the pressure of the oil circuit system. 3. a kind of automobile reducer shell FMS line hydraulic quick-loading horizontal add clamp as claimed in claim 1, is characterized in that, the described fourth plane positioning point (13) is located at the lower left corner of the surface of the clamp body (1) Location.

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