CN209954153U - Positioning pin press-fitting mechanism - Google Patents
Positioning pin press-fitting mechanism Download PDFInfo
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- CN209954153U CN209954153U CN201920512024.3U CN201920512024U CN209954153U CN 209954153 U CN209954153 U CN 209954153U CN 201920512024 U CN201920512024 U CN 201920512024U CN 209954153 U CN209954153 U CN 209954153U
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Abstract
The utility model provides a locating pin pressure equipment mechanism, the cover is worn in the perforation of fixed plate to the uide bushing, the supporting cover of fore-set can reciprocate in the uide bushing in and the fore-set in the uide bushing, the top of fore-set is provided with hits the piece, the fore-set is fixed on the fixed block on the pressure head, the fixed block is fixed under the pressure head on, pressure head lower extreme outside periphery is provided with protruding step, the locating pin mounting hole has been seted up to the pressure head bottom, the supporting mounting hole of installing on the pressure head of fixed block on the pressure head of installing hole under the pressure head, the pressure head is down in the pressure head of fixed block and the pressure head tip expose, protruding step card of pressure head is on the step of mounting hole under the pressure head. The utility model discloses a locating pin pressure equipment mechanism, simple structure, convenient to use, pressure equipment stability is good, and the pressure equipment qualification rate is high.
Description
Technical Field
The utility model relates to a locating pin pressure equipment mechanism.
Background
The internal parts of the gearbox are basically positioned and installed by positioning pins, such as the box closing installation of the gearbox shell, the installation of various partition plates, the installation of a valve plate and the like, namely the positioning pins are firstly pressed on one side of the gearbox shell, and then the parts are positioned and installed on the gearbox shell according to the positioning pins. The locating pin material is the steel that has certain hardness, and the box is mostly the aluminum product, and its hardness is less than the locating pin a lot of, so easily appear the phenomenon that the locating pin pressed partially when the locating pin pressure equipment. Because the pressure equipment power of locating pin is generally less than 3KN, for saving equipment input, the mode of artifical manual installation is adopted in current locating pin pressure equipment more, and artifical manual installation locating pin has following shortcoming: (1) the manual installation is that a worker firstly installs the positioning pin into a manual press-fitting tool, then holds the tool with one hand and strikes the tool with the other hand by using a hammer, and the danger that the hammer hurts the worker and the like easily occurs in the striking process; (2) the quality of the manual installation process cannot be effectively controlled, the positioning pin often has a pressure deviation phenomenon, the positioning and installation of subsequent parts are influenced, and the primary qualified rate is low; (3) the manual installation can only judge whether the locating pin is knocked in place through the sound change when the locating pin is knocked to the bottom, the judgment standard is fuzzy, the knocking is prone to not in place, and some locating pins with the pressure depth requirement cannot be installed through the manual knocking; (4) the positioning pin is installed manually, the knocking force varies from person to person, the box body is easily damaged by overlarge knocking force for unskilled workers, and the requirement on the operation proficiency of the workers is high in manual installation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a locating pin pressure equipment mechanism that simple structure, convenient to use, pressure equipment stability are good, the pressure equipment qualification rate is high.
The method is realized by the following scheme:
a locating pin press-fitting mechanism comprises a fixed plate, a top post, a guide shaft sleeve, a pressure head upper fixing block and a pressure head lower fixing block, wherein a through hole is formed in the fixed plate, the guide shaft sleeve is T-shaped in side view, the guide shaft sleeve is sleeved in the through hole of the fixed plate in penetrating manner, the top post is inverted T-shaped in side view, the top post is sleeved in the guide shaft sleeve in a matching manner, the top post can move up and down in the guide shaft sleeve, a collision block is arranged at the top of the top post, the top post is fixed on the pressure head upper fixing block, the pressure head upper fixing block is fixed on the pressure head lower fixing block, a pressure head upper mounting hole is formed in the pressure head upper fixing block, a pressure head lower mounting hole is formed in the pressure head lower fixing block, the pressure head upper mounting hole and the pressure head lower mounting hole are of a structure with a large upper end size and a small, the mounting hole just is just to the intercommunication under mounting hole and the pressure head on the pressure head, the pressure head lower extreme outside periphery is provided with protruding step, the locating pin mounting hole has been seted up to the pressure head bottom, the supporting mounting hole of installing on the pressure head of fixed block on the pressure head, pressure head under the pressure head of fixed block under in the mounting hole and pressure head lower extreme expose, protruding step card of pressure head is on the step of mounting hole under the pressure head of fixed block under the pressure head, the pressure head can be on the pressure head mounting hole, the pressure head rotates in the mounting hole under the pressure head.
Further, a plane bearing is respectively arranged between the pressure head and the inner wall of the upper end of the upper mounting hole of the pressure head upper fixing block, and between the pressure head and the inner wall of the upper end of the lower mounting hole of the pressure head lower fixing block. The arrangement of the plane bearing can enable the pressure head to slightly slide in the upper mounting hole and the lower mounting hole of the pressure head, eliminate the small deviation caused by manufacturing tolerance, ensure that the positioning pin arranged in the positioning pin mounting hole of the pressure head is opposite to the positioning pin mounting hole of the positioning pin component to be arranged, and ensure that the positioning pin is arranged in place.
And furthermore, a sealing ring is arranged between the pressure head and the inner wall of the lower end of the mounting hole in the pressure head of the upper fixing block of the pressure head. During actual manufacturing, a sealing ring mounting groove is formed in the corresponding position of the pressure head, the sealing rings are clamped in the sealing ring mounting groove, and the number and the shape of the sealing rings can be designed as required.
Furthermore, a return spring is sleeved at the upper end of the top column, the top end of the return spring is limited through a collision block, the bottom end of the return spring is limited through a spring base, and the spring base is fixed on the guide shaft sleeve.
Furthermore, a vent hole is formed in the position, close to the bottom, of the outer side of the pressure head and communicated with the positioning pin mounting hole.
In order to facilitate the connection between the vent hole and the vacuum generator, an outward port of the vent hole of the pressure head is provided with an air pipe joint.
In order to eliminate the gap between the pressure head and the top column as much as possible, the top of the pressure head is provided with a gasket.
The utility model discloses a locating pin pressure equipment mechanism, simple structure, convenient to use, labour saving and time saving can guarantee that the locating pin is once installed in place, and pressure equipment stability is good, can improve the pressure equipment qualification rate. When the locating pin was installed in the locating pin mounting hole of pressure head, the air vent can produce the negative pressure after being connected with vacuum generator, detects the pressure value in the air vent through pressure measurement mechanism, judges whether the locating pin is installed to target in place through the size of pressure value, can prevent the risk of locating pin neglected loading.
Drawings
FIG. 1 is a schematic structural view of a press-fitting mechanism for a positioning pin in embodiment 1;
FIG. 2 is a sectional view of a press-fitting mechanism for a positioning pin in embodiment 1;
figure 3 is a cross-sectional view of the indenter of example 1.
Detailed Description
The embodiment is only for illustrating one implementation of the present invention, and is not to be taken as a limiting illustration of the protection scope of the present invention.
Example 1
A locating pin press-fitting mechanism is disclosed, as shown in figure 1 and figure 2, and comprises a fixed plate 1, a top post 2, a guide shaft sleeve 3, a pressure head 4, a pressure head upper fixed block 5 and a pressure head lower fixed block 6, wherein a through hole 101 is formed in the fixed plate 1, the guide shaft sleeve 3 is in a T shape in side view, the guide shaft sleeve 3 is sleeved in the through hole 101 of the fixed plate 1, the top post 2 is in an inverted T shape in side view, the top post 2 is sleeved in the guide shaft sleeve 3 in a matching manner, the top post 2 can move up and down in the guide shaft sleeve 3, a collision block 7 is arranged at the top of the top post 2, a return spring 8 is sleeved at the upper end of the top post 2, the top end of the return spring 8 is limited by the collision block 7, the bottom end of the return spring 8 is limited by a spring base 9, the spring base 9 is fixed on the guide shaft sleeve 3, the top post 2 is fixed on, a lower pressure head mounting hole 601 is formed in the lower pressure head fixing block 6, the upper pressure head mounting hole 501 and the lower pressure head mounting hole 601 are of a structure with a large upper end size and a small lower end size, the lower end sizes of the upper pressure head mounting hole 501 and the lower pressure head mounting hole 601 are matched with the size of the pressure head 4, the upper pressure head mounting hole 501 is in opposite communication with the lower pressure head mounting hole 601, as shown in fig. 3, a raised step 401 is arranged on the periphery of the outer side of the lower end of the pressure head 4, a positioning pin mounting hole 402 is formed in the bottom of the pressure head 4, an air vent 403 is formed in the position, close to the bottom, of the outer side of the pressure head 4, the air vent 403 is communicated with the positioning pin mounting hole 402, an air pipe connector 10 is arranged at an outward port of the air vent 403, the pressure head 4 is matched with the upper pressure head mounting hole 501 of the upper pressure head fixing block 5, the lower pressure head mounting, the pressure head 4 can be in mounting hole 501 on the pressure head, the interior rotation of mounting hole 601 under the pressure head, the top of pressure head 4 is provided with gasket 11, be provided with flat bearing 12 between the upper end inner wall of mounting hole 501 on the pressure head of fixed block 5 on pressure head 4 and the pressure head, be provided with two sealing washer 13 between the upper end inner wall of mounting hole 601 under the pressure head of fixed block 6 under the pressure head 4 and the pressure head, be provided with two sealing washer 13 on the pressure head of fixed block 5 on pressure head 4 and the pressure head between the lower extreme inner wall of mounting hole 501, sealing washer 13 clamps in the corresponding sealing washer mounting groove 404.
When the device is used, the positioning pin press-mounting mechanism is arranged on a table board of press-mounting equipment through the fixing plate, the positioning pin mounting hole of the pressure head is positioned right above the positioning pin mounting hole of the positioning pin component to be press-mounted, then the air pipe joint of the outward port of the vent hole of the pressure head is connected with the vacuum generator, the positioning pin is arranged in the positioning pin mounting hole of the pressure head, the pressure value in the vent hole of the pressure head is detected through the pressure gauge, when the pressure gauge detects that the pressure value in the vent hole of the pressure head meets the set pressure value, the pressure gauge sends the information that the positioning pin is arranged in place to the PLC, the PLC controls the press to start, the press presses the collision block to move downwards, the top column moves downwards under the pressure of the press, when the top column moves downwards, the pressure head also moves downwards until the positioning pin is press-mounted in the positioning, under the acting force of the return spring, the ejection column returns, and the pressure head also returns along with the return. In the press fitting process, if a positioning pin installed in a positioning pin mounting hole of the pressure head and a positioning pin mounting hole of a positioning pin component to be press-fitted have small deviation, the pressure head is automatically adjusted in position through the plane bearing under the action of press fitting reaction force, the positioning pin and the positioning pin mounting hole of the positioning pin component to be press-fitted are ensured, meanwhile, a sealing ring on the pressure head is also compressed, after the press fitting of the positioning pin is completed, the pressure head returns, and the sealing ring restores the pressure head to the original position through the elasticity of. If the pressure gauge detects that the pressure value in the pressure head vent hole does not meet the set pressure value, the press mounting equipment can send out an alarm.
Claims (7)
1. The utility model provides a locating pin pressure equipment mechanism which characterized in that: the pressing head comprises a fixed plate, a top post, a guide shaft sleeve, a pressing head upper fixing block and a pressing head lower fixing block, wherein a through hole is formed in the fixed plate, the guide shaft sleeve is in a T shape in side view, the guide shaft sleeve is sleeved in the through hole of the fixed plate in a penetrating manner, the top post is in an inverted T shape in side view, the top post is sleeved in the guide shaft sleeve in a matching manner, the top post can move up and down in the guide shaft sleeve, a collision block is arranged at the top of the top post, the top post is fixed on the pressing head upper fixing block, the pressing head upper fixing block is fixed on the pressing head lower fixing block, a pressing head upper mounting hole is formed in the pressing head upper fixing block, a pressing head lower mounting hole is formed in the pressing head lower fixing block, the pressing head upper mounting hole and the pressing head lower mounting hole are of a structure with a large upper end size and a small lower end size, the pressing head upper, the periphery in the pressure head lower extreme outside is provided with protruding step, the locating pin mounting hole has been seted up to the pressure head bottom, the supporting mounting hole on the pressure head of fixed block on the pressure head, the pressure head under the pressure head of fixed block in the mounting hole and the pressure head lower part expose, protruding step card of pressure head is on the step of the mounting hole under the pressure head of fixed block under the pressure head, the pressure head can be on the pressure head mounting hole, the pressure head rotates in the mounting hole under the pressure head.
2. The locating pin press-fitting mechanism according to claim 1, characterized in that: and a plane bearing is respectively arranged between the pressure head and the inner wall at the upper end of the upper mounting hole on the pressure head of the upper fixing block of the pressure head and between the pressure head and the inner wall at the upper end of the lower mounting hole of the lower fixing block of the pressure head.
3. The dowel press-fit mechanism of claim 2, wherein: and a sealing ring is arranged between the pressure head and the inner wall of the lower end of the mounting hole on the pressure head of the upper fixing block of the pressure head.
4. The locating pin press-fitting mechanism according to claim 1, characterized in that: the upper end of the top column is sleeved with a return spring, the top end of the return spring is limited through a collision block, the bottom end of the return spring is limited through a spring base, and the spring base is fixed on the guide shaft sleeve.
5. The locating pin press-fitting mechanism according to claim 1, characterized in that: and a vent hole is formed in the position, close to the bottom, of the outer side of the pressure head and is communicated with the positioning pin mounting hole.
6. The locating pin press-fitting mechanism according to claim 5, characterized in that: and an outward port of the vent hole of the pressure head is provided with an air pipe joint.
7. The positioning pin press-fitting mechanism according to any one of claims 1 to 6, characterized in that: and a gasket is arranged at the top of the pressure head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920512024.3U CN209954153U (en) | 2019-04-16 | 2019-04-16 | Positioning pin press-fitting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920512024.3U CN209954153U (en) | 2019-04-16 | 2019-04-16 | Positioning pin press-fitting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209954153U true CN209954153U (en) | 2020-01-17 |
Family
ID=69242290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920512024.3U Active CN209954153U (en) | 2019-04-16 | 2019-04-16 | Positioning pin press-fitting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209954153U (en) |
-
2019
- 2019-04-16 CN CN201920512024.3U patent/CN209954153U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220907 Address after: No.16 Gongxin Avenue, industrial park, Yifeng County, Yichun City, Jiangxi Province Patentee after: Jiangxi Dingsheng New Material Technology Co.,Ltd. Address before: 528000 601-604 room, block A, 1 floor, 131 Ji Hua Xi Road, Chancheng District, Foshan, Guangdong. Patentee before: CORUN HYBRID POWER TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |