Automatic guide opening bush pressing tool for oil pump cover

Abstract

The utility model discloses an oil pump cover automatic guiding opening pressing lining tool which comprises an oil pump cover, a lining hole is formed in the oil pump cover, an opening table is arranged on the edge of an upper opening of the lining hole, a lower opening of the lining hole penetrates through the oil pump cover, and a guiding sleeve is arranged in the opening step. A spring base with an upper opening is embedded in the press-fitting bottom plate, a spring is arranged in the spring base, the oil pump cover is arranged on the press-fitting bottom plate, and the lining hole corresponds to the opening of the spring base; the bottom of the spring pressing head is connected with a spring pressing rod, the spring pressing rod extends into the lining hole to be pressed on the spring, and the spring pressing head corresponds to the inner diameter of the open type lining; the outer diameter of the bottom end of the lining pressing head corresponds to the outer diameter of the open type lining; and the open type bushing is arranged between the spring pressure head and the guide sleeve and is pressed into the bushing hole through the bushing pressure head. According to the utility model, the opening lining is automatically closed and pressed into the tool, and the opening lining is ensured not to cut the hole wall.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical processing technical field especially is related to a kind of automatic guiding of machine oil pump cover press opening bushing tool. BACKGROUND

[0002] Current machine oil pump assembly needs to press fit a kind of opening bushing, and its press fit requires high, interference amount is 0.037-0.11mm, normal press fit can cause machine oil pump body (material ADC12 is relatively soft) to be easily pressed by sleeve (SPCC steel is relatively hard) and produce aluminum scrap, fall into machine oil pump, cause machine oil pump not to work, affect automobile engine performance. SUMMARY

[0003] The utility model aims at overcoming the insufficient of background art, the utility model discloses a kind of automatic guiding of machine oil pump cover press opening bushing tool.

[0004] Technical scheme: the utility model discloses a kind of automatic guiding of machine oil pump cover press opening bushing tool, it includes:

[0005] Machine oil pump cover, the machine oil pump cover is provided with bushing hole, the opening edge on the bushing hole is equipped with opening stage, and the lower opening is passed through machine oil pump cover, and the opening stage is equipped with guiding sleeve in it;

[0006] Pressing bottom plate, spring base with upper opening is embedded in the pressing bottom plate, spring is equipped in the spring base, the machine oil pump cover is placed on the pressing bottom plate, and bushing hole corresponds with the opening of spring base;

[0007] Spring pressure head, the spring pressure head bottom is connected spring pressing rod, the spring pressing rod is inserted into spring by bushing hole, and the spring pressure head corresponds with the inner diameter of opening bushing;

[0008] Bushing pressure head, the outer diameter of the bushing pressure head bottom end corresponds with the outer diameter of opening bushing;

[0009] The opening bushing is placed between spring pressure head and guiding sleeve, and is pressed into bushing hole by bushing pressure head.

[0010] Further, the outer peripheral wall of the guiding sleeve is attached to the inner peripheral wall of the opening stage, the inner peripheral wall of the guiding sleeve is axially corresponding to the inner peripheral wall of the bushing hole, and the opening bushing is placed between the outer peripheral of the spring pressure head and the inner peripheral of the guiding sleeve.

[0011] Further, the pressing bottom plate is equipped with positioning pin for the insertion positioning of machine oil pump cover.

[0012] Further, the upper end surface of the spring base corresponds with the lower end surface of the bushing hole, and the axial height of the spring pressure head and opening bushing is consistent.

[0013] Furthermore, the outer peripheral wall of the bushing pressure head is provided with a pressing step. When the bushing pressure head presses the open bushing and the spring pressure head into the bushing hole, the pressing step contacts the upper end face of the guide sleeve.

[0014] Furthermore, the outer diameter of the spring rod is the same as the inner diameter of the spring base.

[0015] Beneficial effects: Compared with the prior art, the advantages of this utility model are: it enables the open bushing to be automatically closed and pressed into the tooling, ensuring that the open bushing does not cut the hole wall; it improves production efficiency and reduces the skill requirements of operators, as they only need to place the open bushing on the tooling. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model. Detailed Implementation

[0017] like Figure 1 The oil pump cover automatic guide pressure opening bushing tooling shown includes:

[0018] Oil pump cover 1, wherein the oil pump cover 1 is provided with bushing hole 101, the upper opening edge of bushing hole 101 is provided with opening step 102, the lower opening penetrates through oil pump cover 1, and a guide sleeve 5 is provided inside opening step 102.

[0019] A press-fit base plate 2 is provided, and a spring base 3 with an upper opening is embedded in the press-fit base plate 2. A spring 4 is provided in the spring base 3. The oil pump cover 1 is placed on the press-fit base plate 2, and the bushing hole 101 corresponds to the opening of the spring base 3.

[0020] A spring pressure head 6 is provided, with a spring pressure rod 7 connected to its bottom. The spring pressure rod 7 extends through the bushing hole 101 and presses against the spring 4. The spring pressure head 6 corresponds to the inner diameter of the open bushing 8.

[0021] Bushing pressure head 9, the outer diameter of the bottom end of the bushing pressure head 9 corresponds to the outer diameter of the open bushing 8;

[0022] The open bushing 8 is placed between the spring head 6 and the guide sleeve 5, and is pressed down into the bushing hole 101 by the bushing head 9.

[0023] The outer peripheral wall of the guide sleeve 5 fits against the inner peripheral wall of the opening step 102, and the inner peripheral wall of the guide sleeve 5 is axially aligned with the inner peripheral wall of the bushing hole 101. The open bushing 8 is placed between the outer peripheral wall of the spring pressure head 6 and the inner peripheral wall of the guide sleeve 5.

[0024] The press-fit base plate 2 is provided with a positioning pin 201 for the oil pump cover 1 to be inserted and positioned.

[0025] The upper end surface of the spring base 3 corresponds to the lower end surface of the bushing hole 101, and the spring press head 6 is in line with the axial height of the open bushing 8.

[0026] The outer peripheral wall of the bushing press head 9 is provided with a press fitting step 901, which is in contact with the upper end surface of the guide sleeve 5 when the bushing press head 9 presses the open bushing 8 and the spring press head 6 in the bushing hole 101.

[0027] The outer diameter of the spring press rod 7 is in line with the inner diameter of the spring base 3.

[0028] Working process: press the positioning pin 201 into the press fitting base plate 2, put the spring 4 into the spring base 3, and at the same time, put the oil pump cover 1 on the press fitting base plate 2, put the guide sleeve 5 into the hole in the oil pump cover 1, put the spring press head 6 and the spring press rod 7 into the guide sleeve 5, install the bushing press head 9 on the press fitting equipment, put the open bushing 8 into the annular groove between the guide sleeve 5 and the spring press head 6, when the bushing press head 9 is pressed down, the open bushing 8 moves down along with the guide sleeve 5 and the spring press head 6 until the press fitting step 901 on the bushing press head 9 is limited by the end surface of the guide sleeve 5, stop pressing down, lift the bushing press head 9, and take off the oil pump cover 1 with the pressed open bushing 8, and the working process is completed.

Claims

1. A tooling for automatically guiding and pressing open the bushing of an oil pump cover, characterized in that, include: Oil pump cover (1), the oil pump cover (1) is provided with bushing hole (101), the upper opening edge of the bushing hole (101) is provided with opening step (102), the lower opening penetrates the oil pump cover (1), and a guide sleeve (5) is provided in the opening step (102). Press-fit base plate (2), the press-fit base plate (2) is fitted with a spring base (3) with an upper opening, the spring base (3) is provided with a spring (4), the oil pump cover (1) is placed on the press-fit base plate (2), and the bushing hole (101) corresponds to the opening of the spring base (3); A spring pressure head (6) is connected to a spring pressure rod (7) at its bottom. The spring pressure rod (7) extends through the bushing hole (101) and presses against the spring (4). The spring pressure head (6) corresponds to the inner diameter of the open bushing (8). Bushing pressure head (9), the outer diameter of the bottom end of the bushing pressure head (9) corresponds to the outer diameter of the open bushing (8); The open bushing (8) is placed between the spring head (6) and the guide sleeve (5) and is pressed down into the bushing hole (101) by the bushing head (9).

2. The automatic guide pressure opening bushing fixture for the oil pump cover according to claim 1, characterized in that: The outer peripheral wall of the guide sleeve (5) fits against the inner peripheral wall of the opening step (102), the inner peripheral wall of the guide sleeve (5) is axially aligned with the inner peripheral wall of the bushing hole (101), and the open bushing (8) is placed between the outer peripheral wall of the spring pressure head (6) and the inner peripheral wall of the guide sleeve (5).

3. The automatic guide pressure opening bushing tooling for the oil pump cover according to claim 1, characterized in that: The press-fit base plate (2) is provided with a positioning pin (201) for the oil pump cover (1) to be inserted and positioned.

4. The automatic guide pressure opening bushing tooling for the oil pump cover according to claim 1, characterized in that: The upper end face of the spring base (3) corresponds to the lower end face of the bushing hole (101), and the axial height of the spring pressure head (6) is consistent with that of the open bushing (8).

5. The automatic guide pressure opening bushing fixture for the oil pump cover according to claim 4, characterized in that: The outer peripheral wall of the bushing pressure head (9) is provided with a pressing step (901). When the bushing pressure head (9) presses the open bushing (8) and the spring pressure head (6) into the bushing hole (101), the pressing step (901) contacts the upper end face of the guide sleeve (5).

6. The automatic guide pressure opening bushing tooling for the oil pump cover according to claim 1, characterized in that: The outer diameter of the spring rod (7) is the same as the inner diameter of the spring base (3).

Images