Press fitting device for tensioning wheel pin

Abstract

The utility model discloses a tensioning wheel pin press-fitting device, and relates to the technical field of tensioning wheel pin press-fitting, the tensioning wheel pin press-fitting device comprises a press-fitting table, the upper end of the press-fitting table is provided with a mounting rack, the upper end of the mounting rack is provided with a movable material conveying pipe, the lower end of the mounting rack is provided with a material receiving assembly, and the material receiving assembly receives pins in batches. The material receiving assembly drives the pin to move to the upper end of the tensioning wheel and then press-fitting is conducted through the pressing assembly. The material conveying pipe transversely moves in the limiting rail, so that pins in the material conveying pipe can be conveyed into the extending barrels in batches, the material receiving plate is moved to the upper end of the tensioning wheel in combination with pushing of the first air cylinder, meanwhile, the position of the fourth air cylinder is adjusted, and the fourth air cylinder drives the press-fitting head to extend into the extending barrels to press the pins into the tensioning wheel. Therefore, the press-fitting efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of tensioning wheel pin press -fitting, especially to a tensioning wheel pin press -fitting device. BACKGROUND

[0002] In modern automobile engines, timing belt and accessory drive belt are the key components to ensure the synchronous operation of each part of the engine. In order to ensure the tension and normal work of these belts, a tensioning wheel is usually used to maintain proper tension. The performance of the tensioning wheel directly affects the stability and reliability of the engine. Therefore, the design and manufacture of the tensioning wheel require very high precision and quality control. Among them, the press -fitting of the pin is a key step, which is used to fix each component inside the tensioning wheel to ensure that they do not displace or loosen during operation.

[0003] According to the Chinese patent No. CN205551938U, an automatic press -fitting device for automobile tensioning wheel pin is disclosed, which comprises a base, an automobile tensioning wheel inner component, a fixed seat, a supporting seat, a pushing mechanism and a press -fitting mechanism. The automobile automatic tensioning wheel inner component is arranged on one side of the upper surface of the base. The positioning hole and the press pin hole are arranged on the automobile tensioning wheel inner component. The pushing mechanism and the fixed seat are arranged on the other side of the upper surface of the base. The press -fitting mechanism is arranged on one side of the upper surface of the fixed seat. The supporting seat is arranged on the other side of the upper surface of the fixed seat. The automatic feeding disc is arranged on the upper part of the supporting seat. The conveying pipe for conveying the pin is arranged between the automatic feeding disc and the pushing mechanism. The utility model realizes the purpose of automatic press -fitting of the pin and effectively improves the work efficiency by arranging the pushing mechanism and the press -fitting mechanism.

[0004] The traditional pin press -fitting device often needs to be press -fitted one by one, that is, the next tensioning wheel is placed on the processed one to process, which is not convenient for realizing efficient batch processing, which leads to low production efficiency and is difficult to meet the needs of large -scale production. In addition, different types of tensioning wheels may have different sizes and structures, and some existing press -fitting devices are difficult to flexibly adapt to various types of tensioning wheels, which limits the versatility and flexibility of the equipment. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a tensioning wheel pin press -fitting device, which can avoid the situation that the traditional pin press -fitting device often needs to be press -fitted one by one, that is, the next tensioning wheel is placed on the processed one to process, which is not convenient for realizing efficient batch processing, which leads to low production efficiency and is difficult to meet the needs of large -scale production.

[0006] The utility model provides a kind of tensioning wheel pin press fitting device, including press fitting platform, the upper end of press fitting platform is provided with mounting bracket, movable feed pipe is installed on mounting bracket upper end, the lower end of mounting bracket is equipped with material receiving assembly, and material receiving assembly receives pin batch material, material receiving assembly drives pin to move to the upper end of tensioning wheel and then is press fitted by pressing assembly.

[0007] Preferably, the upper end of the mounting bracket is provided with a limiting rail, and the slider on one side of the feed pipe slides in the limiting rail.

[0008] Preferably, a lead screw is rotatably arranged in the limiting rail, the lead screw is driven by a motor, and the lead screw is threadedly connected with the slider.

[0009] Preferably, a hole is formed on one side of the lower end of the feed pipe, a fixed seat provided at the lower end of the feed pipe is provided with a cylinder three, and a positioning rod is connected to the piston end of the cylinder three.

[0010] Preferably, the material receiving assembly includes at least three material receiving plates, a hollow extension cylinder is arranged at one end of the material receiving plate, the three material receiving plates are connected by an extension piece, and the material receiving plate located in the middle is connected to the piston end of the cylinder one.

[0011] Preferably, a slot is formed on one side of the extension cylinder, a sliding groove is formed on the material receiving plate, a positioning plate is slidably arranged in the sliding groove, and the positioning plate is inserted and matched with the slot.

[0012] Preferably, a cylinder two is installed at one end of the material receiving plate, and the piston end of the cylinder two is connected with the positioning plate.

[0013] Preferably, the extension piece includes a hollow sleeve, one end of the hollow sleeve is connected with the side wall of the material receiving plate, an extension rod is slidably arranged in the hollow sleeve, one end of the extension rod is connected with the side wall of another material receiving plate, long grooves are formed on both sides of the hollow sleeve, and the protrusions provided on both sides of the extension rod are slidably connected with the long grooves.

[0014] Preferably, the pressing assembly includes a sliding rail provided on the mounting bracket, a moving block is slidably arranged on the sliding rail, a cylinder four is installed on the moving block, and a press head is installed at the piston end of the cylinder four.

[0015] Preferably, a lead screw two is rotatably arranged in the sliding rail, the lead screw two is threadedly connected with the moving block, and the lead screw two is driven by a motor.

[0016] Compared with the prior art, the tensioning wheel pin press fitting device provided by the utility model embodiment has the following advantages:

[0017] 1. The utility model discloses a feeding pipe moves in the limiting rail transversely, makes the pin in the feeding pipe can batch delivery to multiple extension cylinders, and combines the push of cylinder no.

[0018] 2. The utility model discloses the sliding of extension link in the hollow sleeve, adjusts the interval between two adjacent material receiving plates, thereby the position of material receiving plate can be adjusted according to the tension pulley of different size, satisfies the demand of batch pressing. ACCURACY OF DRAWINGS

[0019] In order to make the technical scheme of the embodiments of the utility model clearer, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the utility model, and should not be regarded as the limitation to the scope, and for the ordinary skilled in the art, other related drawings can also be obtained according to these drawings without the creative labor.

[0020] Figure 1 It is the overall structure schematic diagram of the embodiment of the utility model;

[0021] Figure 2 It is the overall structure side view schematic diagram of the embodiment of the utility model;

[0022] Figure 3 It is the mounting frame structure schematic diagram of the embodiment of the utility model;

[0023] Figure 4 It is the down-pressing assembly structure schematic diagram of the embodiment of the utility model;

[0024] Figure 5 It is the material receiving assembly structure schematic diagram of the embodiment of the utility model;

[0025] Figure 6 It is the telescopic piece structure schematic diagram of the embodiment of the utility model;

[0026] Figure 7 It is the material receiving plate structure schematic diagram of the embodiment of the utility model;

[0027] Figure 8 It is the positioning rod structure schematic diagram of the embodiment of the utility model.

[0028] REFERENCE SIGNS:

[0029] 1, press station; 2, mounting frame; 3, limit rail; 4, feed pipe; 5, screw; 6, cylinder; 7, receiving plate; 8, extension cylinder; 9, slot; 10, sliding groove; 11, positioning plate; 12, cylinder; 13, hollow sleeve; 14, extension rod; 15, long slot; 16, protrusion; 17, cylinder; 18, positioning rod; 19, insertion hole; 20, sliding rail; 21, screw; 22, moving block; 23, cylinder; 24, press head. DETAILED DESCRIPTION

[0030] Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the case of no conflict, the following examples and features in the examples can be combined with each other.

[0031] Please refer to Figures 1-8 The embodiments of the present application provide a tensioning wheel pin press-fitting device, which comprises a press station 1, the upper end of the press station 1 is provided with a mounting frame 2, the upper end of the mounting frame 2 is provided with a movable feed pipe 4, the pins can be orderly put into the feed pipe 4, and the pins can be conveniently discharged vertically one by one.

[0032] The upper end of the mounting frame 2 is provided with a limit rail 3, the sliding block on one side of the feed pipe 4 slides in the limit rail 3, the discharge position of the feed pipe 4 is adjusted through the sliding of the sliding block of the feed pipe 4 in the limit rail 3, and the limit rail 3 is provided with a screw 5 which rotates, when the screw 5 is driven by the motor, the screw 5 is screw-connected with the sliding block, and the stability of the movement of the feed pipe 4 is improved.

[0033] Further, the lower end of the mounting frame 2 is provided with a receiving assembly, the receiving assembly receives the pins in batches, specifically, the receiving assembly comprises at least three receiving plates 7, one end of the receiving plate 7 is provided with a hollow extension cylinder 8, the extension cylinder 8 is used for receiving the pins discharged from the feed pipe 4, the three receiving plates 7 are connected through an extension piece, and the receiving plate 7 located in the middle is connected with the piston end of a cylinder 6, when the feed pipe 4 moves to the upper end of the corresponding extension cylinder 8, the pins enter the extension cylinder 8.

[0034] In order to prevent the pins from falling when the feed pipe 4 moves to the next extension cylinder 8, an insertion hole 19 is formed in one side of the lower end of the feed pipe 4, a cylinder 17 is arranged on the fixed seat arranged at the lower end of the feed pipe 4, the piston end of the cylinder 17 is connected with a positioning rod 18, the positioning rod 18 is pushed into the insertion hole 19 by the cylinder 17 to fix the pins, so that the pins are prevented from being discharged, when the feed pipe 4 moves to the upper end of the extension cylinder 8, the positioning rod 18 can move back, and at this time, the pins can be discharged.

[0035] In addition, the extension cylinder 8 is provided with a slot 9 on one side, and the receiving plate 7 is provided with a sliding groove 10, and the positioning plate 11 is slidably arranged in the sliding groove 10, and the positioning plate 11 is inserted and matched with the slot 9. When the pin enters the extension cylinder 8, it is limited by the positioning plate 11 to prevent the pin from falling from the bottom of the extension cylinder 8. When the tensioning wheel is placed at the lower end of the pressing assembly, the cylinder 6 pushes the receiving plate 7 to the upper end of the tensioning wheel, and the extension cylinder 8 is pressed into the tensioning wheel by the pressing assembly. However, during the pressing, the positioning plate 11 slides out of the slot 9, so that the pin can be pressed.

[0036] And the cylinder 12 is installed at one end of the receiving plate 7, and the piston end of the cylinder 12 is connected with the positioning plate 11, and the movement of the positioning plate 11 is realized by the cylinder 12.

[0037] In order to meet the pin pressing of multiple tensioning wheels, the specific structure of the pressing assembly is disclosed, which includes a sliding rail 20 arranged on the mounting frame 2, a moving block 22 slidably arranged on the sliding rail 20, a cylinder 23 arranged on the moving block 22, a pressing head 24 arranged at the piston end of the cylinder 23, and a screw rod 21 rotatably arranged in the sliding rail 20. The screw rod 21 is threadedly connected with the moving block 22, and the screw rod 21 is driven by the motor to rotate, so that the moving block 22 automatically slides in the sliding rail 20, so that the cylinder 23 is moved to the upper end of the corresponding tensioning wheel. It needs to be in the same straight line with the extension cylinder 8. At this time, the cylinder 23 with the pressing head 24 is lowered to press the pin in the extension cylinder 8 into the tensioning wheel.

[0038] Further, considering that the size of the tensioning wheel is different, in order to make the receiving plate 7 correspond to the tensioning wheel accurately, the specific structure of the telescopic part is disclosed, wherein the telescopic part includes a hollow sleeve 13, one end of the hollow sleeve 13 is connected with the side wall of the receiving plate 7, the inside of the hollow sleeve 13 is slidably provided with an extension rod 14, one end of the extension rod 14 is connected with the side wall of the other receiving plate 7, and long grooves 15 are arranged on both sides of the hollow sleeve 13. The protrusions 16 arranged on both sides of the extension rod 14 are slidably connected with the long grooves 15, the extension rod 14 is slid out of the hollow sleeve 13, so that the position of the receiving plate 7 is adjusted according to the size of the tensioning wheel.

[0039] In conclusion, the working principle of the tensioning wheel pin press-fitting device is as follows: the pins are placed vertically and orderly in the feeding pipe 4, the pins at the bottom of the feeding pipe 4 are positioned by the positioning rod 18, when the feeding pipe 4 moves to the corresponding extension cylinder 8, the positioning rod 18 moves outward, so that the pins enter the extension cylinder 8, at this time, the pins are fixed by the positioning rod 18, the air cylinder one 6 pushes the receiving plate 7 to move to the upper end of the tensioning wheel, the position of the air cylinder four 23 is adjusted according to the press-fitting position, the air cylinder four 23 pushes the press-fitting head 24 to descend into the extension cylinder 8 to press-fit the pins into the tensioning wheel, of course, when the press-fitting head 24 enters the extension cylinder 8, the positioning rod 18 is away from the pins, so that the pins can be press-fitted.

[0040] The preferred embodiments of the utility model are only used for limiting the utility model, and the utility model can have various changes and changes for the technical personnel in the art. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A tensioning roller pin press fitting device comprising a press fitting table (1), characterized in that: The upper end of the press-fitting table (1) is provided with a mounting frame (2), a movable feeding pipe (4) is mounted on the upper end of the mounting frame (2), a material receiving assembly is mounted on the lower end of the mounting frame (2), the material receiving assembly receives a batch of pins, and the material receiving assembly drives the pins to move to the upper end of the tensioning wheel and then press-fits through a pressing assembly; The material receiving assembly comprises at least three material receiving plates (7), one end of each material receiving plate (7) is provided with a hollow extension cylinder (8), the three material receiving plates (7) are connected through a telescopic piece, and the material receiving plate (7) located in the middle is connected with the piston end of a cylinder (6); One side of the extension cylinder (8) is provided with a slot (9), a sliding groove (10) is formed in the material receiving plate (7), a positioning plate (11) is slidably arranged in the sliding groove (10), and the positioning plate (11) is inserted and matched with the slot (9).

2. The tensioning roller pin press fit device of claim 1, wherein: The upper end of the mounting frame (2) is provided with a limiting rail (3), and a sliding block on one side of the feeding pipe (4) slides in the limiting rail (3).

3. The tensioning roller pin press fit device of claim 2, wherein: The limiting rail (3) is rotatably provided with a lead screw (5), the lead screw (5) is driven by a motor, and the lead screw (5) is threadedly connected with the sliding block.

4. The tensioning roller pin press fit device of claim 3, wherein: One side of the lower end of the feeding pipe (4) is provided with a insertion hole (19), a cylinder (17) is mounted on the fixed seat arranged at the lower end of the feeding pipe (4), and the piston end of the cylinder (17) is connected with a positioning rod (18).

5. The tensioning roller pin press fit device of claim 4, wherein: One end of the material receiving plate (7) is provided with a cylinder (12), and the piston end of the cylinder (12) is connected with the positioning plate (11).

6. The tensioning pulley pin press fit device of claim 1, wherein: The telescopic piece comprises a hollow sleeve (13), one end of the hollow sleeve (13) is connected with the side wall of the material receiving plate (7), an extension rod (14) is slidably arranged in the hollow sleeve (13), one end of the extension rod (14) is connected with the side wall of another material receiving plate (7), long grooves (15) are formed in the two sides of the hollow sleeve (13), and protrusions (16) arranged on the two sides of the extension rod (14) are slidably connected with the long grooves (15).

7. The tensioning roller pin press fit device of claim 1, wherein: The pressing assembly comprises a sliding rail (20) arranged on the mounting frame (2), a moving block (22) is slidably arranged on the sliding rail (20), a cylinder (23) is mounted on the moving block (22), and a press head (24) is mounted at the piston end of the cylinder (23).

8. The tensioning roller pin press fit device of claim 7, wherein: The sliding rail (20) is rotatably provided with a lead screw (21), the lead screw (21) is threadedly connected with the moving block (22), and the lead screw (21) is driven by a motor.

Images