CN108544430B

CN108544430B - Punch device of aluminum air blocking hammer

Info

Publication number: CN108544430B
Application number: CN201810562103.5A
Authority: CN
Inventors: 吴培柱; 杨淳麟
Original assignee: Guangxi Yuchai Machinery Co Ltd
Current assignee: Guangxi Yuchai Machinery Co Ltd
Priority date: 2018-06-04
Filing date: 2018-06-04
Publication date: 2023-07-18
Anticipated expiration: 2038-06-04
Also published as: CN108544430A

Abstract

The invention discloses an aluminum air blocking hammer punch device, which comprises: the hammer body comprises a positioning hole, a holding shaft, a spring seat and a screw hole; the hammer head is fixedly connected with the hammer body and comprises a positioning ring and a first cylindrical hole; a retaining sleeve comprising a second cylindrical bore, a third cylindrical bore, a fourth cylindrical bore, and a fifth cylindrical bore; a spring penetrating the holding shaft; a screw; the second cylindrical hole is slidably matched with the retaining shaft, the third cylindrical hole and the fourth cylindrical hole are respectively sleeved on the large diameter of the spring and the outer peripheral surface of the spring seat, the hammer head is loosely sleeved in the fifth cylindrical hole, the positioning ring is slidably matched in the positioning hole, the screw is fixedly connected with the screw hole through the first cylindrical hole, and the retaining sleeve can stretch and retract relative to the hammer head. The aluminum blocking air hammer punch device is simple in structure and easy to replace, can keep the aluminum blocking level, can prevent clamping hands, can characterize knocking in place when the compression spring of the retaining sleeve retreats to prop against the spring seat shoulder, and remarkably improves the operation efficiency.

Description

Punch device of aluminum air blocking hammer

Technical Field

The invention relates to the technical field of auxiliary devices of engine parts, in particular to an aluminum air blocking hammer punch device.

Background

The aluminum air blocking hammer punch device is an auxiliary device for assembling engine parts. For example, when the gear chamber intermediate shaft is installed, auxiliary observation adjustment of the process hole is needed, fastening is performed after the adjustment is in place, and the observation hole is blocked after fastening so as to prevent oil leakage. The current common treatment is to hold the aluminum plug in place against the target orifice with two fingers, then strike it in place with a hammer and extension bar. Moreover, the traditional aluminum air blocking hammer punch device cannot be positioned accurately, and the phenomenon that the air blocking hammer punch sideslips to punch an aluminum block or scratch the machine body to influence the appearance quality is caused, so that the installation efficiency and the appearance quality of an engine are influenced.

The patent CN202895164U discloses a special pneumatic hammer punch for aluminum block positioning, a punch body and a screw rod are connected through threads, a spring and a sliding sleeve are arranged between the punch body and the screw rod, when the pneumatic hammer is used, the sliding sleeve slides between the screw rod and the punch body, only an oil filling body is connected to the pneumatic hammer, aluminum blocks are placed in positioning holes, and then the aluminum blocks are impacted into aluminum block holes on an engine body through the impact of the screw rod. However, the pneumatic hammer punch has the defects of over-simple structural design and inaccurate positioning, and the punch body is easy to damage, inconvenient to replace, and incapable of providing an indication that the aluminum plug is knocked in place due to the influence on the service life.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.

Disclosure of Invention

The invention aims to provide an aluminum air blocking hammer punch device, so that the defects that an aluminum air blocking hammer punch in the prior art cannot be positioned accurately, is easy to damage and has a low service life are overcome.

To achieve the above object, the present invention provides an aluminum choke hammer punch device comprising: the hammer body comprises a positioning hole, a holding shaft, a spring seat and a screw hole; the hammer head is fixedly connected with the hammer body and comprises a positioning ring and a first cylindrical hole; a retaining sleeve comprising a second cylindrical bore, a third cylindrical bore, a fourth cylindrical bore, and a fifth cylindrical bore; a spring penetrating the holding shaft; a screw; the second cylindrical hole is slidably matched with the retaining shaft, the third cylindrical hole and the fourth cylindrical hole are respectively sleeved on the large diameter of the spring and the outer peripheral surface of the spring seat, the hammer head is loosely sleeved in the fifth cylindrical hole, the positioning ring is slidably matched in the positioning hole, the screw is fixedly connected with the screw hole through the first cylindrical hole, and the retaining sleeve can stretch and retract relative to the hammer head.

In a preferred embodiment, the depth of the fourth cylindrical bore of the retaining sleeve is greater than the height of the spring seat such that the spring seat has a certain compression or rebound distance within the fourth cylindrical bore.

In a preferred embodiment, when the retaining sleeve is extended, the front end of the retaining sleeve can receive the aluminum plug and horizontally retain the aluminum plug from falling, so that when striking is initiated after the front end of the aluminum plug is chamfering the front end of the target hole, the aluminum plug enters the target hole under the strike of the hammer head, and the retaining sleeve compresses the spring back against the spring seat shoulder, indicating that the strike is in place.

In a preferred embodiment, the front end of the retaining sleeve is provided with retaining claws for receiving an aluminium plug.

In a preferred embodiment, the holding jaw has a three-jaw shape for avoiding screw head obstacles.

In a preferred embodiment, the front end of the hammer head is provided with a deformation bank for preventing premature upsetting failure of the hammer head.

Compared with the prior art, the aluminum air blocking hammer punch device has the following beneficial effects: the retaining sleeve of the aluminum blocking hammer punch device is in sliding fit with the retaining shaft and is respectively in loose fit with the outer peripheral surfaces of the large diameter spring and the spring seat, so that the aluminum blocking horizontal retaining conveying and the hand clamping prevention (holding the retaining sleeve by hand to obtain more stable knocking) can be considered. When the compression spring of the retaining sleeve retreats to prop against the shoulder of the spring seat, knocking can be represented in place, so that the working efficiency is improved, and repeated knocking is avoided. The front end of the retaining sleeve is three-jaw, so that the screw head barrier can be avoided. Moreover, the hammer is provided with the deformation bank, so that the premature upsetting failure of the hammer can be prevented. The hammer head and the hammer body are arranged separately, so that the hammer head is convenient to replace, and the service life is prolonged.

Drawings

Fig. 1 is a schematic front view of an aluminum choke hammer punch device according to the present invention.

Fig. 2 is a right-side view of the aluminum choke hammer punch device according to the present invention.

Fig. 3 is a schematic front view of a retaining sleeve according to the present invention.

Fig. 4 is a right-hand structural schematic view of a retaining sleeve according to the present invention.

Fig. 5 is a schematic structural view of a hammer head according to the present invention.

Fig. 6 is a schematic structural view of a hammer body according to the present invention.

Fig. 7 is a schematic view of an aluminum plug in an initial position when the aluminum plug ram apparatus according to the present invention is in operation.

Fig. 8 is a schematic view of an aluminum plug striking in place when the aluminum plug hammer punch device according to the present invention is in operation.

The main reference numerals illustrate:

1-holding sleeve, 11-holding claw, 12-fifth cylindrical hole, 13-second cylindrical hole, 14-third cylindrical hole, 15-fourth cylindrical hole, 2-hammer, 21-positioning ring, 22-first cylindrical hole, 23-deformed bank, 3-hammer, 31-positioning hole, 32-screw hole, 33-holding shaft, 34-spring seat, 4-spring, 5-screw.

Detailed Description

The following detailed description of embodiments of the invention is, therefore, to be taken in conjunction with the accompanying drawings, and it is to be understood that the scope of the invention is not limited to the specific embodiments.

Throughout the specification and claims, unless explicitly stated otherwise, the term "comprise" or variations thereof such as "comprises" or "comprising", etc. will be understood to include the stated element or component without excluding other elements or components.

As shown in fig. 1 to 2, the aluminum choke hammer punch device according to the preferred embodiment of the present invention includes: a retaining sleeve 1, a hammer head 2, a hammer body 3, a spring 4 and a screw 5.

As shown in fig. 3 to 4, the retaining sleeve 1 includes a second cylindrical hole 13, a third cylindrical hole 14, a fourth cylindrical hole 15, and a fifth cylindrical hole 12.

As shown in fig. 1 to 6, the hammer body 3 includes a positioning hole 31, a retaining shaft 33, a spring seat 34, and a screw hole 32. The hammer head 2 is fixedly connected with the hammer body 3 through a screw 5, and the hammer head 2 comprises a positioning ring 21 and a first cylindrical hole 22. The spring 4 is provided to pass through the holding shaft 33. The second cylindrical hole 13 is slidably matched with the retaining shaft 33, the third cylindrical hole 14 and the fourth cylindrical hole 15 are respectively sleeved on the large diameter of the spring 4 and the outer circumferential surface of the spring seat 34, the retaining sleeve 1 is pushed towards the spring seat 34, the hammer head 2 is loosely sleeved in the fifth cylindrical hole 12, the positioning ring 21 is slidably matched with the positioning hole 31, the screw 5 is fixedly connected with the screw hole 32 through the first cylindrical hole 22, the retaining sleeve 1 is limited by the hammer head 2 after being returned, and the retaining sleeve 1 can stretch and retract relative to the hammer head 2.

In the above-described solution, the depth of the fourth cylindrical hole 15 of the retaining sleeve 1 is greater than the height of the spring seat 34, so that the spring seat 34 has a certain compression or rebound distance within the fourth cylindrical hole 15. When the retaining sleeve 1 stretches, the front end of the retaining sleeve 1 can accommodate the aluminum plug and horizontally keep the aluminum plug from falling, so that when striking is started after the front end of the aluminum plug is chamfering the front end of the target hole, the aluminum plug enters the target hole under the striking of the hammer head 2, and the retaining sleeve 1 compresses the spring 4 to retreat to prop against the spring seat shoulder, so that striking is represented in place.

In a preferred embodiment, the front end of the retaining sleeve 1 is provided with a retaining claw 11 for receiving an aluminium plug. Preferably, the holding jaw 11 has a three-jaw shape for avoiding screw head obstacles.

In a preferred embodiment, the front end of the hammer head 2 is provided with a deformation land 23 for preventing premature upsetting failure of the hammer head.

As shown in fig. 7 to 8, the device of the present invention operates as follows: when the aluminum plug is positioned at the initial position, the retaining sleeve 1 is limited by the hammer head 2 after being returned, and the spring seat 34 has a certain rebound distance h in the fourth cylindrical hole 15. When the retaining sleeve 1 stretches, the front end of the retaining sleeve 1 can accommodate the aluminum plug and horizontally keep the aluminum plug from falling, so that when the front end of the aluminum plug is right chamfering the front end of the target hole, striking is started, the aluminum plug enters the target hole under the striking of the hammer head 2, the retaining sleeve 1 compresses the spring 4 to retreat and offset with the spring seat shoulder 341, accordingly, striking is represented in place, and operating efficiency is remarkably improved.

The retaining sleeve of the aluminum blocking hammer punch device is in sliding fit with the retaining shaft and is respectively and loosely sleeved on the outer peripheral surfaces of the large diameter spring and the spring seat, so that the aluminum blocking horizontal retaining conveying and the hand clamping prevention can be achieved. The hammer head and the hammer body are arranged separately, so that the hammer head is convenient to replace, and the service life of the device is prolonged. The device simple structure, when keeping the cover compression spring retreating and offset with spring holder shoulder, can characterize and strike in place, avoided beating repeatedly to show the operating efficiency that has improved. Moreover, the hammer is provided with the deformation bank, so that the premature upsetting failure of the hammer can be prevented.

The foregoing descriptions of specific exemplary embodiments of the present invention are presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the invention and its practical application to thereby enable one skilled in the art to make and utilize the invention in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims

1. An aluminum air lock hammer punch device, characterized in that the aluminum air lock hammer punch device comprises:

the hammer body comprises a positioning hole, a holding shaft, a spring seat and a screw hole;

the hammer head is fixedly connected with the hammer body and comprises a positioning ring and a first cylindrical hole;

a retaining sleeve comprising a second cylindrical bore, a third cylindrical bore, a fourth cylindrical bore, and a fifth cylindrical bore;

a spring penetrating the holding shaft; and

a screw;

the second cylindrical hole is slidably matched with the retaining shaft, the third cylindrical hole and the fourth cylindrical hole are respectively sleeved on the large diameter of the spring and the outer peripheral surface of the spring seat, the hammer head is loosely sleeved in the fifth cylindrical hole, the positioning ring is slidably matched in the positioning hole, the screw is fixedly connected with the screw hole through the first cylindrical hole, and the retaining sleeve can move in a telescopic manner relative to the hammer head; the front end of the retaining sleeve is provided with a retaining claw for accommodating the aluminum plug.

2. The aluminum pneumatic hammer punch device of claim 1, wherein the depth of the fourth cylindrical bore of the retaining sleeve is greater than the height of the spring seat such that the spring seat has a certain compression or rebound distance within the fourth cylindrical bore.

3. The aluminum air lock hammer punch device of claim 2, wherein when the retaining sleeve is extended, the front end of the retaining sleeve can accommodate the aluminum block and horizontally retain the aluminum block from falling off, so that when striking is initiated after the front end of the aluminum block is chamfering the front end of the target hole, the aluminum block enters the target hole under the striking of the hammer head, and the retaining sleeve compresses the spring back against the spring seat shoulder, indicating that the striking is in place.

4. The aluminum air lock hammer punch device of claim 1, wherein the holding claw has a three-claw shape for avoiding a screw head obstacle.

5. The aluminum air lock hammer punch device of claim 1, wherein the front end of the hammer head is provided with a deformed land for preventing premature upsetting failure of the hammer head.