An assembly machine for a dry friction self-adjusting cover assembly force sensor DS for automobiles

Abstract

The present invention discloses an assembly machine for a dry friction self-adjusting cover assembly force sensor DS for automobiles, which relates to the field of automobile parts assembly, including a frame, on which a table is fixedly mounted, and an upper fixed plate and a lower fixed plate are fixedly mounted on the table; a tooling, which is mounted on the table, used to place the assembled parts, and is covered with a pressure plate; a linear drive mechanism, which is fixedly mounted on the lower fixed plate, used to drive the assembled parts to move linearly; a rotary drive mechanism, which is fixedly mounted on the upper fixed plate, one end of which is fixed to the tooling, and the other end is connected to the linear drive mechanism, used to drive the assembled parts to rotate; and an electric control box, which is mounted on one side of the frame to control the linear drive mechanism and the rotary drive mechanism. The beneficial effects of the present invention are: solving the assembly problem of the self-adjusting diaphragm spring clutch cover assembly; during the assembly process, defective assembled parts can be eliminated by monitoring the tension and displacement; the structure is simple and novel, automatic control is realized, and the operation is convenient.

Description

Technical Field

[0001] The invention relates to the field of automobile parts assembly, and in particular to an assembly machine for a dry friction self-adjusting cover assembly force sensor DS for an automobile. Background Art

[0002] The dry friction self-adjusting diaphragm spring clutch cover assembly for automobiles is additionally provided with an elastic element force sensor DS and a wedge-shaped self-adjusting mechanism. The diaphragm spring is clamped by the force sensor DS and the inclined wedge ring in the wedge-shaped self-adjusting mechanism, and is stuck in the slot of the cover through the extended tongue of the force sensor DS, forming an effective fixed support.

[0003] In the existing clutch assembly assembly equipment, there is no public report on the assembly and assembly machine suitable for the force sensor DS, wedge-shaped self-adjusting mechanism, diaphragm spring, and cover components of the self-adjusting diaphragm spring clutch cover assembly. Summary of the invention

[0004] The purpose of the present invention is to overcome the shortcomings of the prior art and to provide an assembly machine for a dry friction self-adjusting cover assembly force sensor DS for an automobile, thereby solving the assembly problem of the force sensor DS, wedge-shaped self-adjusting mechanism, diaphragm spring, and cover components of the self-adjusting diaphragm spring clutch cover assembly.

[0005] The object of the present invention is achieved through the following technical solution: the assembly machine of the dry friction self-adjusting cover assembly force sensor DS for automobiles, the assembled parts to be assembled include the assembled cover, the assembled return spring, the assembled force sensor DS, the assembled diaphragm spring and the assembled wedge-shaped self-adjusting mechanism;

[0006] A frame, on which a table is fixedly mounted, and an upper fixing plate and a lower fixing plate are fixedly mounted on the table;

[0007] A tooling, which is installed on the table, used to place the assembled parts, and is covered with a pressing plate;

[0008] A linear drive mechanism, which is fixed on the lower fixed plate and is used to drive the assembled parts to move linearly;

[0009] A rotary drive mechanism, which is fixed on the upper fixed plate, has one end fixed to the tooling, and the other end connected to the linear drive mechanism, and is used to drive the assembled part to rotate; and

[0010] The electric control box is installed on one side of the frame to control the linear drive mechanism and the rotary drive mechanism.

[0011] As a further technical solution, the linear drive mechanism includes a servo electric cylinder, a floating joint, a weighing sensor and a connecting plate. The connecting plate is fixedly mounted with a weighing sensor, which is connected to the servo electric cylinder through a floating joint. The servo electric cylinder is fixedly mounted on a lower fixed plate.

[0012] As a further technical solution, the rotary drive mechanism includes a slewing support seat, a spline ball guide shaft pair and a servo drive assembly. The tooling is fixed to the slewing support seat by pin A and screws; the spline ball guide shaft pair is installed in the center hole of the upper fixed plate by screws; the servo drive assembly is installed on the upper fixed plate through the fixed plate, and a pinion is fixed on its output shaft through a tensioning sleeve. The pinion is meshed with a gear arranged in the slewing support seat to drive the tooling to perform a rotary motion.

[0013] As a further technical solution, an unequal hexagonal shaft head is provided at the upper end of the guide shaft of the spline ball guide shaft pair for embedding into the unequal hexagonal internal hole of the pressure plate, and is locked by an open insert and a round nut; the lower end of the guide shaft is fixedly connected to the connecting plate.

[0014] As a further technical solution, a slot is provided on the tooling for installing a cylindrical coil spring and a block, which is used for installing and fixing the return spring of the assembled part and the wedge-shaped self-adjusting mechanism of the assembled part in the cover of the assembled part, and the diaphragm spring of the assembled part and the force sensor DS of the assembled part are inserted between the return spring of the assembled part and the wedge-shaped self-adjusting mechanism of the assembled part; the pin B is installed on the tooling according to the positioning requirements of the cover of the assembled part.

[0015] As a further technical solution, the lower fixing plate is fixed to the bottom of the table through four fixing columns by screw connection, and the upper fixing plate is fixed to the bottom of the table through four fixing shafts by screw connection.

[0016] The beneficial effects of the present invention are:

[0017] 1. Solved the assembly problem of the force sensor DS, wedge-shaped self-adjusting mechanism, diaphragm spring and cover parts of the self-adjusting diaphragm spring clutch cover assembly;

[0018] 2. During the assembly process, defective parts can be eliminated by monitoring the tension and displacement;

[0019] 3. Simple and novel structure, automatic control and easy operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural cross-sectional view of the present invention.

[0021] Figure 2 It is a structural side view of the present invention.

[0022] Figure 3 It is a top view of the structure of the present invention.

[0023] Figure 4 It is a schematic diagram of the assembly structure of the assembled parts.

[0024] Figure 5 for Figure 4 PP cross-sectional view.

[0025] Explanation of the reference numerals: servo electric cylinder 1, frame 2, lower fixed plate 3, fixed column 4, floating joint 5, weighing sensor 6, connecting plate 7, upper fixed plate 8, slewing bearing seat 9, pin A10, cylindrical coil spring 11, block 12, pin B13, assembled part cover 14, pressure plate 15, assembled part return spring 16, open insert 17, round nut 18, assembled part force sensor DS19, assembled part diaphragm spring 20, assembled part wedge-shaped self-adjusting mechanism 21, tooling 22, pinion 23, tensioning sleeve 24, table 25, fixed plate 26, spline ball guide shaft pair 27, servo drive assembly 28, electric control box 29, fixed shaft 30. DETAILED DESCRIPTION

[0026] The present invention will be described in detail below with reference to the accompanying drawings:

[0027] Example: As shown in the attached Figures 1 to 3 As shown, the assembly machine of the dry friction self-adjusting cover assembly force sensor DS for automobiles, the assembled parts thereof include the assembled cover 14, the assembled return spring 16, the assembled force sensor DS19, the assembled diaphragm spring 20 and the assembled wedge-shaped self-adjusting mechanism 21; it includes

[0028] The frame 2 has a table 25 fixed thereon, and an upper fixing plate 8 and a lower fixing plate 3 fixed thereon;

[0029] A tool 22, which is mounted on a table 25, is used to place the assembled parts and is covered with a pressing plate 15;

[0030] A linear drive mechanism, which is fixed on the lower fixed plate 3 and is used to drive the assembled parts to move linearly;

[0031] A rotary drive mechanism, which is fixed on the upper fixed plate 8, one end of which is fixed to the tooling 22, and the other end of which is connected to the linear drive mechanism, for driving the assembled parts to rotate; and

[0032] The electric control box 29 is installed on one side of the frame 2 to control the linear drive mechanism and the rotary drive mechanism.

[0033] As a further technical solution, the linear drive mechanism includes a servo electric cylinder 1, a floating joint 5, a weighing sensor 6 and a connecting plate 7, the connecting plate 7 is fixedly mounted with the weighing sensor 6, the weighing sensor 6 is connected to the servo electric cylinder 1 through the floating joint 5, and the servo electric cylinder 1 is fixedly mounted on the lower fixed plate 3.

[0034] As a further technical solution, the rotary drive mechanism includes a slewing support seat 9, a spline ball guide shaft pair 27 and a servo drive assembly 28. The tooling 22 is fixed to the slewing support seat 9 by a pin A10 and a screw; the spline ball guide shaft pair 27 is installed in the center hole of the upper fixed plate 8 by screws; the servo drive assembly 28 is installed on the upper fixed plate 8 through a fixed plate 26, and a pinion 23 is fixed on its output shaft through a tensioning sleeve 24. The pinion 23 is meshed with a gear arranged in the slewing support seat 9 to drive the tooling 22 to perform a rotary motion.

[0035] As a further technical solution, the upper end of the guide shaft of the spline ball guide shaft pair 27 is provided with an unequal hexagonal shaft head for embedding into the unequal hexagonal internal hole of the pressure plate 15, and is locked by an open insert 17 and a round nut 18; the lower end of the guide shaft is fixedly connected to the connecting plate 7.

[0036] As a further technical solution, a slot is provided on the tooling 22 for installing the cylindrical coil spring 11 and the block 12, and for installing and fixing the assembled component return spring 16 and the assembled component wedge-shaped self-adjusting mechanism 21 in the assembled component cover 14; the assembled component diaphragm spring 20 and the assembled component force sensor DS19 are inserted between the assembled component return spring 16 and the assembled component wedge-shaped self-adjusting mechanism 21; the pin B13 is installed on the tooling 22 according to the positioning requirements of the assembled component cover 14.

[0037] As a further technical solution, the lower fixing plate 3 is fixed to the bottom of the table 25 by means of four fixing columns 4 with screws, and the upper fixing plate 8 is fixed to the bottom of the table 25 by means of four fixing shafts 30 with screws.

[0038] The working process of the present invention is as follows: when assembling, first install the block 12 into the slot of the tooling 22, install the cylindrical coil spring 11 under the block 12, and then insert the pin A10 installed on the slewing bearing seat 9 according to the positioning hole position on the tooling 22, and connect and fix it with the slewing bearing seat 9 with screws, and insert the assembled cover 14 into the pin B13 installed on the tooling 22 according to the positioning hole position, and insert the assembled return spring 16 between the assembled cover 14 and the block 12, and then put the assembled wedge-shaped self-adjusting mechanism 21, the assembled diaphragm spring 20, and the assembled force sensor DS19 in sequence, and then align the pressure plate 15 with the unequal hexagonal shaft head on the spline ball guide shaft pair 27, and the pin on the pressure plate 15 will be inserted into the gap of the assembled force sensor DS19 at the same time. 19-1, and then insert the open insert 17 into the guide shaft on the spline ball guide shaft pair 27. During assembly, the protruding tongue of the assembled force sensor DS19 should be aligned with the notch fixed position 14-1 on the assembly cover 14. After alignment, manually tighten the round nut 18. The control system controls the servo electric cylinder 1 to move downward to drive the guide shaft, round nut 18, open insert 17, and pressure plate 15 of the spline ball guide shaft pair 27, and apply force to the assembled force sensor DS19 to deform DS19. After reaching the specified deformation amount, the electric control box 29 controls the servo drive assembly 28 to drive the pinion 23, and drive the slewing bearing seat 9 and the tooling 22 through the gear meshing, and drive the assembled cover 14 to make a rotational motion through the pin 13 of the fixing tooling 22 to reach the specified rotation angle (i.e. Figure 4 After reaching the angle α in the center, it stops, and then controls the servo electric cylinder 1 to move upward to the specified position, at which time the pressure plate 15 is separated from the assembled part force sensor DS19, and the assembled part force sensor DS19 recovers through its own elasticity, and the extended tongue part is stuck in the notch fixed position 14-1 of the assembled part cover 14, completing the entire assembly work. After removing the assembled workpiece, the electric control box 29 automatically controls the servo drive assembly 28 to drive the pinion 23 through the reset button, and drives the slewing support seat 9 and the tooling 22 to reset to the initial installation position through gear meshing. During the entire assembly process, the weighing sensor 6 simultaneously monitors the magnitude of the pulling force to realize the monitoring of the force value. The system automatically alarms for workpieces that exceed the qualified limit so that the assemblers can remove unqualified parts.

[0039] It is understandable that, for those skilled in the art, any equivalent replacement or change to the technical solution and inventive concept of the present invention should fall within the protection scope of the claims attached to the present invention.

Claims

1. An assembly machine for a dry friction self-adjusting cover assembly force sensor DS for an automobile, wherein the assembled parts include an assembled cover (14), an assembled return spring (16), an assembled force sensor DS (19), an assembled diaphragm spring (20) and an assembled wedge-shaped self-adjusting mechanism (21); the machine is characterized in that: include A frame (2) on which a table (25) is fixedly mounted, and an upper fixing plate (8) and a lower fixing plate (3) are fixedly mounted on the table (25); A tool (22) mounted on the table (25) for placing the assembled parts and covered with a pressing plate (15); A linear drive mechanism, which is fixedly mounted on the lower fixed plate (3) and is used to drive the assembled parts to move linearly; A rotary drive mechanism, which is fixed on the upper fixed plate (8), has one end fixed to the tooling (22) and the other end connected to the linear drive mechanism, and is used to drive the assembled component to rotate; as well as An electric control box (29), which is mounted on one side of the frame (2) and controls the linear drive mechanism and the rotary drive mechanism; The rotary drive mechanism comprises a slewing bearing seat (9), a spline ball guide shaft pair (27) and a servo drive assembly (28); the tooling (22) is fixed to the slewing bearing seat (9) by means of a pin A (10) and screws; the spline ball guide shaft pair (27) is mounted in a central hole of an upper fixed plate (8) by means of screws; the servo drive assembly (28) is mounted on the upper fixed plate (8) by means of a fixed plate (26); a pinion (23) is fixedly mounted on its output shaft by means of a tension sleeve (24); the pinion (23) is meshed with a gear arranged in the slewing bearing seat (9) to drive the tooling (22) to perform a slewing motion; The upper end of the guide shaft of the spline ball guide shaft pair (27) is provided with an unequal-sided hexagonal shaft head for embedding into the unequal-sided hexagonal inner hole of the pressure plate (15) and locking by an open insert (17) and a round nut (18); the lower end of the guide shaft is fixedly connected to the connecting plate (7); The tooling (22) is provided with a slot for installing a cylindrical helical spring (11) and a block (12), and is used for installing and fixing a return spring (16) and a wedge-shaped self-adjusting mechanism (21) of an assembled part in an assembled part cover (14); a diaphragm spring (20) and a force sensor DS (19) of an assembled part are inserted between the return spring (16) and the wedge-shaped self-adjusting mechanism (21); and a pin B (13) is installed on the tooling (22) according to the positioning requirements of the assembled part cover (14).

2. The assembly machine of the dry friction self-adjusting cover assembly force sensor DS for automobile according to claim 1, characterized in that: The linear drive mechanism comprises a servo electric cylinder (1), a floating joint (5), a weighing sensor (6) and a connecting plate (7). The weighing sensor (6) is fixedly mounted on the connecting plate (7). The weighing sensor (6) is connected to the servo electric cylinder (1) via the floating joint (5). The servo electric cylinder (1) is fixedly mounted on the lower fixed plate (3).

3. The assembly machine of the dry friction self-adjusting cover assembly force sensor DS for automobile according to claim 1, characterized in that: The lower fixing plate (3) is fixed below the table plate (25) by means of four fixing columns (4) and screws, and the upper fixing plate (8) is fixed below the table plate (25) by means of four fixing shafts (30) and screws.

Images