CN203636331U - Press-fitting device - Google Patents

Press-fitting device Download PDF

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Publication number
CN203636331U
CN203636331U CN201320878159.4U CN201320878159U CN203636331U CN 203636331 U CN203636331 U CN 203636331U CN 201320878159 U CN201320878159 U CN 201320878159U CN 203636331 U CN203636331 U CN 203636331U
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CN
China
Prior art keywords
press
oil cylinder
loading device
bearing shell
workbench
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201320878159.4U
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Chinese (zh)
Inventor
宋鹏飞
任保连
宋成波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
YANTAI JEREH INDUSTRY AND MINING Co Ltd
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YANTAI JEREH INDUSTRY AND MINING Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN201320878159.4U priority Critical patent/CN203636331U/en
Application granted granted Critical
Publication of CN203636331U publication Critical patent/CN203636331U/en
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Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a press-fitting device which is used for assembling and disassembling a cam bearing bush on an engine cylinder head. The press-fitting device comprises a base, a multi-level oil cylinder and a bearing bush guiding part, wherein the base is provided with a workbench, the multi-level oil cylinder is fixed to the workbench, the stretching direction of a piston of the multi-level oil cylinder is parallel to the working plane of the workbench, and the bearing bush guiding part is matched with the cam bearing bush and is fixedly connected with the end of the piston. When the press-fitting device works, the engine cylinder head is fixed to the workbench, an installing hole of the cam bearing bush and the stretching direction of the piston are located on the same straight line, an operator can accomplish assembly and disassembly of the cam bearing bush by controlling the multi-level oil cylinder to work, semi-automatic operation is achieved, and the space occupied by the press-fitting device is small.

Description

A kind of press-loading device
Technical field
The utility model relates to Machine Design manufacturing technology field, particularly a kind of press-loading device, the installation and removal work covering at engine cylinder for cam bearing shell.
Background technology
Camshaft is parts in piston engine, and effect is to control the action of the opening and closing of valve.Be contained in for camshaft the engine that engine cylinder covers, in engine cylinder cover production process, have a step that cam bearing shell need to be installed, generally, by the mode of manually beaing, cam bearing shell is arranged on to engine cylinder and covers.But this mode must need staff to pay sizable labour intensity and time, and artificial installation accuracy is poor, also especially easily occurs cam bearing shell cracking and the impaired problem of press mounting tool, can not meet the production requirement of engine in enormous quantities.
Therefore, how reduce a staff labour intensity and the time of the camshaft watt-hour on disassembling and assembling engine cylinder cap, and guarantee installation accuracy, and reduce the loss of the damage to cam bearing shell in installation process and frock simultaneously, be those skilled in the art's technical problems urgently to be resolved hurrily.
Utility model content
In view of this, the utility model provides a kind of press-loading device, the installation and removal work covering at engine cylinder for cam bearing shell, this press-loading device is press-fited or dismantles cam bearing shell by multi-stage oil cylinder, not only realize semiautomation operation, and there is less equipment usage space, installation accuracy not only can be guaranteed, and the loss of the damage to cam bearing shell in installation process and frock can be reduced.
For achieving the above object, the utility model provides following technical scheme:
A kind of press-loading device, the installation and removal work covering at engine cylinder for cam bearing shell, described press-loading device comprises:
Base, is provided with the workbench for fixing described engine cylinder cover on described base;
Multi-stage oil cylinder, described multi-stage oil cylinder is fixed on described workbench, and the flexible direction of the piston of described multi-stage oil cylinder is parallel with the working face of described workbench;
With the bearing shell guide of described cam bearing shell adaptation, the end of described bearing shell guide and described piston is connected.
Preferably, in above-mentioned press-loading device, described multi-stage oil cylinder is two-level oil cylinder; Described bearing shell is directed to nylon material.
Preferably, in above-mentioned press-loading device, also comprise oil cylinder guide post, described oil cylinder guide post one end and described bearing shell guide are connected, and the pistons end of the other end and described multi-stage oil cylinder is hinged.
Preferably, in above-mentioned press-loading device, described oil cylinder guide post is connected by universal ball end with described pistons end.
Preferably, in above-mentioned press-loading device, the length of described oil cylinder guide post is not less than described engine cylinder and covers the distance between adjacent two cam bearing shell mounting hole site.
Preferably, in above-mentioned press-loading device, be provided with the first pedestal and the second pedestal on described working face, described multi-stage oil cylinder is installed on described the first pedestal, and described oil cylinder guide post is sheathed in the installing hole of described the second pedestal slidably.
Preferably, in above-mentioned press-loading device, on described workbench, be provided with the press mounting bolt for described workbench and described engine cylinder cover are removably connected.
Preferably, in above-mentioned press-loading device, being also provided with alignment pin on described workbench, is to process by manufacturing for the dowel hole of described alignment pin and processing locating hole that described engine cylinder covers are installed.
Preferably, in above-mentioned press-loading device, also comprise stay wire sensor, the sensor box of described stay wire sensor is fixed on described workbench, the bracing wire of described stay wire sensor turns to rear one end to be positioned at described sensor box by leading block, and the other end is positioned at described pistons end.
Preferably, in above-mentioned press-loading device, also comprise excentric sleeve, described excentric sleeve is located on described pistons end by bearing holder (housing, cover), and described bracing wire and described excentric sleeve are connected.
Preferably, in above-mentioned press-loading device, also comprise two phase magnets, described phase magnet is adsorbed on described excentric sleeve, and described anchor clamp is in the middle of two described phase magnets.
The operation principle of above-mentioned press-loading device is: engine cylinder cover is fixed on workbench, take hydraulic cylinder (multi-stage oil cylinder) as power source, the action of control multi-stage oil cylinder, by bearing shell guide, each camshaft watt-minute is not transported to installation site separately, guarantees the accurate installation of cam bearing shell with this.
Can find out from above-mentioned technical scheme, the press-loading device that the utility model provides is the semi-automatic equipment that cam bearing shell is installed, operating personnel only need cam bearing shell to be placed into installation site the control button that engine cylinder covers, can realize the accurate installation or removal that cam bearing shell covers at engine cylinder, not only can reduce to a great extent staff's labour intensity, and, in the press-loading device providing due to the utility model embodiment, adopt multi-stage oil cylinder to provide and press-fit power, greatly shorten the length of oil cylinder, save the usage space of whole equipment.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The overall structure schematic diagram of the press-loading device that Fig. 1 provides for the utility model embodiment;
The press-loading device that Fig. 2 provides for the utility model embodiment is at the work schematic diagram carrying out in cam bearing shell installation process;
The mounting structure schematic diagram of the stay wire sensor that Fig. 3 provides for the utility model embodiment.
Wherein, 21 is alignment pin, and 22 is electric cabinet, and 23 is base, and 24 is stay wire sensor, and 25 is multi-stage oil cylinder, and 26 is oil cylinder guide post, and 27 is bearing shell guide, and 28 is press mounting bolt; 1 to 14 is respectively the multiple time-outs position of installation camshaft watt-hour bearing shell guide in different time points; 31 is sensor box, and 32 is leading block, and 33 is bracing wire, and 34 is phase magnet, and 35 is bearing, and 36 is excentric sleeve, and 37 is universal ball end.
The specific embodiment
The utility model discloses a kind of press-loading device, the installation and removal work covering at engine cylinder for cam bearing shell, this press-loading device is press-fited or dismantles cam bearing shell by multi-stage oil cylinder, not only realize semiautomation operation, and there is less equipment usage space, installation accuracy not only can be guaranteed, and the loss of the damage to cam bearing shell in installation process and frock can be reduced.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1-Fig. 3, the overall structure schematic diagram of the press-loading device that Fig. 1 provides for the utility model embodiment, the press-loading device that Fig. 2 provides for the utility model embodiment is at the work schematic diagram carrying out in cam bearing shell installation process, the mounting structure schematic diagram of the stay wire sensor that Fig. 3 provides for the utility model embodiment.
The press-loading device that the utility model embodiment provides, the installation and removal work covering at engine cylinder for cam bearing shell, this press-loading device comprises base 23, multi-stage oil cylinder 25 and bearing shell guide 27.Wherein, be provided with the workbench for stationary engine cylinder cap on base 23, multi-stage oil cylinder 25 is fixed on workbench, and the flexible direction of its piston is parallel with the working face of workbench; Bearing shell guide 27 be connected with the end of piston and with cam bearing shell adaptation, for actuating cam bearing shell to be press fit into the cam bearing shell mounting hole site of engine cylinder cover.When work, engine cylinder cover is fixed on workbench, and the flexible direction of cam bearing shell mounting hole site and piston is positioned at same straight line, and operating personnel can complete the installment work of cam bearing shell by controlling multi-stage oil cylinder 25 actions.
In specific embodiment, above-mentioned press-loading device also comprises oil cylinder guide post 26, and oil cylinder guide post 26 one end and bearing shell guide 27 are connected, and the pistons end of the other end and multi-stage oil cylinder 25 is hinged.Wherein, the length of oil cylinder guide post 26 is not less than engine cylinder and covers the distance between adjacent two cam bearing shell mounting hole site, thereby remains rectilinear motion while making oil cylinder guide post 26 move forward and backward between cam bearing shell mounting hole site.In addition, in above-mentioned press-loading device, be also provided with electric cabinet 22 and stay wire sensor 24, stay wire sensor 24 is for detection of the bearing shell guide 27 concurrent out position signals in position, and the position signalling that the control system reception stay wire sensor 24 in electric cabinet 22 sends is also controlled multi-stage oil cylinder 25 and moved.
Wherein, stay wire sensor can convert mechanical displacement to the signal of telecommunication gageable, linear ratio.In the time that testee produces displacement, pull coupled bracing wire, bracing wire band dynamic sensor transmission mechanism is synchronizeed and is rotated with encoder; In the time that displacement is oppositely moved, the auto back cyclone of sensor internal is automatic drawing back bracing wire, and stretches in receipts process and keep its tension force constant in bracing wire; Thereby export one and the directly proportional signal of telecommunication of bracing wire amount of movement.In the press-loading device that the utility model embodiment provides, signals collecting adopts stay wire sensor to collect distance signal, and not only cost is low, collection signal is accurate, error is little, and can guarantee the accurate of installation site;
In above-mentioned specific embodiment, the operation principle of press-loading device is: engine cylinder cover is fixed on workbench, take hydraulic cylinder (multi-stage oil cylinder 25) as power source, accurately locate by stay wire sensor 24, and rely on the control system control multi-stage oil cylinder 25 in electric cabinet 22 to move, by bearing shell guide 27, each camshaft watt-minute is not transported to installation site separately, guarantee the accurate installation of cam bearing shell with this.Wherein, control system in electric cabinet 22 comprises the sensor for controlling magnetic valve (being connected with hydraulic cylinder) and pre-sets the PLC(Programmable Logic Controller of logical program, programmable logic controller (PLC)), and other control assembly.
Be illustrated with a specific embodiment below, refer to the multiple time-outs position shown in 1 to 14 in Fig. 2.The use procedure of the press-loading device that the utility model embodiment provides is:
First engine cylinder cover is fixed on the working face of workbench, now, bearing shell guide 27 is in suspending position 14;
Then carry out the installation of first cam bearing shell, operating personnel press the button engage relay, multi-stage oil cylinder 25 promotes bearing shell guide 27 and runs to time-out position 2, stay wire sensor 24 receives that position signalling the control system in electric cabinet 22 send position signalling, makes multi-stage oil cylinder 25 out of service; Operating personnel are arranged on first cam bearing shell on bearing shell guide 27, press the button engage relay, and multi-stage oil cylinder 25 promotes bearing shell guide 27 and runs to position 1, so far, complete the installation of first cam bearing shell;
Carry out afterwards the installation of second cam bearing shell, operating personnel press the button engage relay, now, multi-stage oil cylinder 25 counter motions, bearing shell guide 27 arrives and suspends position 4, stay wire sensor 24 receives that position signalling the control system in electric cabinet 22 send position signalling, makes multi-stage oil cylinder 25 out of service; Operating personnel are arranged on second cam bearing shell on bearing shell guide 27, press the button engage relay, and multi-stage oil cylinder 25 is with driving box bearing guide 27 to run to position 3, so far, complete the installation of second cam bearing shell;
So circulation, can install multiple cam bearing shells successively, and last multi-stage oil cylinder 25 automatically restores to original position (being that bearing shell guide 27 stops at time-out position 14).What need to describe at this is, above-mentioned installation process is also applicable to the dismounting of cam bearing shell simultaneously, in unloading process, be provided with correction button, in installation process, find existing problems are installed, can press correction button, this equipment removes cam bearing shell, and automatically get back to installation site, re-start installation, in unloading process, cam bearing shell uniform stressed, has avoided manually striking the infringement of pounding cam bearing shell and engine cylinder cover.
Refer to Fig. 2, engine cylinder covers and is provided with seven cam bearing shell mounting hole site (position 1, position 3, position 5, position 7, position 9, position 11, positions 13, be respectively a cam bearing shell mounting hole site), need to install seven cam bearing shells, now, the mobile order of bearing shell guide 27 is " suspending 14 → position, 6 → position, 2 → position, position 14 → time-out position 1 → time-out 4 → position, position 3 → time-out position 5 → time-out 10 → position, 8 → position, position 7 → time-out position 9 → time-out 12 → position, position 11 → time-out position 13 → time-out position 14 ".
Can find out from technique scheme, the press-loading device that the utility model embodiment provides is the semi-automatic equipment that cam bearing shell is installed, operating personnel only need cam bearing shell to be placed into installation site the control button that engine cylinder covers, can realize the accurate installation that cam bearing shell covers at engine cylinder, not only can reduce to a great extent staff's labour intensity, and, in the press-loading device providing due to the utility model embodiment, adopt multi-stage oil cylinder 25 to provide and press-fit power, greatly shorten the length of oil cylinder, save the usage space of whole equipment.
On the working face of above-mentioned press-loading device workbench, be provided with the first pedestal and the second pedestal, multi-stage oil cylinder 25 is installed on the first pedestal, oil cylinder guide post 26 be sheathed in the installing hole of the second pedestal and relatively installing hole slide axially.And workbench removably connects by press mounting bolt 28 and engine cylinder cover.Further, on the working face of workbench, be also provided with the alignment pin 21 with positioning action, wherein, on working face, manufacture and process for the dowel hole of alignment pin 21 and processing locating hole that engine cylinder covers are installed, thereby, adopt alignment pin 21 to position engine cylinder cover, can guarantee the accurate location between engine cylinder cover and multi-stage oil cylinder 25, to increase the installation accuracy of cam bearing shell, while avoiding producing error, scratch cam bearing shell inwall.
In order further to optimize technique scheme, in above-mentioned press-loading device, oil cylinder guide post 26 is connected by universal ball end 37 with pistons end, be in Fig. 3, the left end of universal ball end 37 is fixedly connected with pistons end, right-hand member and oil cylinder guide post 26 are hinged, to improve the degree of flexibility of oil cylinder guide post 26 and piston junction.In the time there is skew in the piston rod of multi-stage oil cylinder 25 or oil cylinder guide post 26 in motion process, can rotate Automatic Optimal by the guiding of gib block and the adaptability of universal ball end 37 junctions and adjust direction, avoid cam bearing shell or bearing shell guide 27 to scratch and the damage of oil cylinder piston.
In preferred specific embodiment, multi-stage oil cylinder 25 is two-level oil cylinder, and bearing shell guide 27 is nylon material, to avoid the scuffing of cam bearing shell inwall.And the sensor box 31 of stay wire sensor 24 is fixed on workbench, the bracing wire 33 of stay wire sensor 24 turns to rear one end to be positioned at sensor box 31 by leading block 32, and the other end is positioned at pistons end.Wherein, pistons end is arranged with excentric sleeve 36, and excentric sleeve 36 is sheathed on pistons end by bearing 35 and center of gravity is on the lower side, and two phase magnets 34 are adsorbed on excentric sleeve 36, and bracing wire 33 is clipped in the middle of two phase magnets 34.Because excentric sleeve 36 centers of gravity are on the lower side, thereby can guarantee that rotating appears in oil cylinder in running time, excentric sleeve 36 can automatic capturing, guarantees the accuracy of bracing wire 33 displacements; And the support to bracing wire of the gravity by phase magnet 34 and two phase magnets 34, can increase the stability of bracing wire automatic capturing function, in running, has guaranteed that the direction of motion of bracing wire is parallel with oil cylinder central axis, has guaranteed the accuracy of displacement.Wherein, the bearing 35 between pistons end and excentric sleeve 36 preferably adopts needle bearing.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To be apparent for those skilled in the art to the multiple modification of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (10)

1. a press-loading device, for the installation and removal work of engine cylinder cover overhead cam bearing shell, is characterized in that, described press-loading device comprises:
Base (23), is provided with the workbench for fixing described engine cylinder cover on described base (23);
Multi-stage oil cylinder (25), described multi-stage oil cylinder (25) is fixed on described workbench, and the flexible direction of piston of described multi-stage oil cylinder (25) is parallel with the working face of described workbench;
With the bearing shell guide (27) of described cam bearing shell adaptation, described bearing shell guide (27) is connected with the end of described piston.
2. press-loading device according to claim 1, is characterized in that, also comprises oil cylinder guide post (26), and described oil cylinder guide post (26) one end and described bearing shell guide (27) are connected, and the pistons end of the other end and described multi-stage oil cylinder (25) is hinged.
3. press-loading device according to claim 2, is characterized in that, described oil cylinder guide post (26) is connected by universal ball end (37) with described pistons end.
4. press-loading device according to claim 2, is characterized in that, the length of described oil cylinder guide post (26) is not less than described engine cylinder and covers the distance between adjacent two cam bearing shell mounting hole site.
5. press-loading device according to claim 4, it is characterized in that, on described working face, be provided with the first pedestal and the second pedestal, described multi-stage oil cylinder (25) is installed on described the first pedestal, and described oil cylinder guide post (26) is sheathed in the installing hole of described the second pedestal slidably.
6. press-loading device according to claim 1, is characterized in that, is provided with the press mounting bolt (28) for described workbench and described engine cylinder cover are removably connected on described workbench.
7. press-loading device according to claim 1, is characterized in that, is also provided with alignment pin (21) on described workbench, is to process by manufacturing for the dowel hole of described alignment pin (21) and processing locating hole that described engine cylinder covers are installed.
8. according to the press-loading device described in claim 1-7 any one, it is characterized in that, also comprise stay wire sensor, the sensor box (31) of described stay wire sensor (24) is fixed on described workbench, the bracing wire (33) of described stay wire sensor (24) turns to rear one end to be positioned at described sensor box (31) by leading block (32), and the other end is positioned at described pistons end.
9. press-loading device according to claim 8, is characterized in that, also comprises excentric sleeve (36), and described excentric sleeve (36) is sheathed on described pistons end by bearing (35), and described bracing wire (33) is connected with described excentric sleeve (36).
10. press-loading device according to claim 9, is characterized in that, also comprises two phase magnets (34), and it is upper that described phase magnet (34) is adsorbed on described excentric sleeve (36), and described bracing wire (33) is clipped in the middle of two described phase magnets (34).
CN201320878159.4U 2013-12-27 2013-12-27 Press-fitting device Expired - Fee Related CN203636331U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320878159.4U CN203636331U (en) 2013-12-27 2013-12-27 Press-fitting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320878159.4U CN203636331U (en) 2013-12-27 2013-12-27 Press-fitting device

Publications (1)

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CN203636331U true CN203636331U (en) 2014-06-11

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Application Number Title Priority Date Filing Date
CN201320878159.4U Expired - Fee Related CN203636331U (en) 2013-12-27 2013-12-27 Press-fitting device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105397449A (en) * 2015-12-31 2016-03-16 无锡贝斯特精机股份有限公司 Automatic assembling and disassembling mechanism for camshaft grinding chuck
CN112682389A (en) * 2020-12-18 2021-04-20 重庆耐德新明和工业有限公司 Middle follow-up supporting structure of multi-stage oil cylinder

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105397449A (en) * 2015-12-31 2016-03-16 无锡贝斯特精机股份有限公司 Automatic assembling and disassembling mechanism for camshaft grinding chuck
CN105397449B (en) * 2015-12-31 2017-08-11 无锡贝斯特精机股份有限公司 Camshaft Grinding chuck automatic loading and unloading mechanism
CN112682389A (en) * 2020-12-18 2021-04-20 重庆耐德新明和工业有限公司 Middle follow-up supporting structure of multi-stage oil cylinder
CN112682389B (en) * 2020-12-18 2023-02-28 重庆耐德新明和工业有限公司 Middle follow-up supporting structure of multi-stage oil cylinder

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140611

Termination date: 20171227

CF01 Termination of patent right due to non-payment of annual fee