CN215393621U - Press-fitting machine for valve guide pipe and valve seat ring of cylinder cover - Google Patents
Press-fitting machine for valve guide pipe and valve seat ring of cylinder cover Download PDFInfo
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- CN215393621U CN215393621U CN202123035673.5U CN202123035673U CN215393621U CN 215393621 U CN215393621 U CN 215393621U CN 202123035673 U CN202123035673 U CN 202123035673U CN 215393621 U CN215393621 U CN 215393621U
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- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 230000006978 adaptation Effects 0.000 claims description 7
- 238000003754 machining Methods 0.000 abstract description 4
- 238000003825 pressing Methods 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 11
- 239000008187 granular material Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of cylinder cover machining, and provides a cylinder cover valve guide and valve seat ring press-fitting machine which comprises a rack, wherein the rack is provided with a press-fitting table, a bearing plate is fixedly arranged on the press-fitting table, conveying lines are arranged on two sides of the rack and correspond to the press-fitting table of the rack, and two sets of press-fitting mechanisms are arranged on the rack along the conveying direction of a cylinder cover; the press-fitting mechanism comprises a positioning stop block driven by a positioning cylinder, a tool rod driven by a jacking cylinder and a pressure head driven by a servo motor, wherein the positioning stop block is respectively arranged at two adjacent sides of the bearing plate, the tool rod is slidably arranged on the press-fitting table along the vertical direction, and the pressure head is positioned above the tool rod and corresponds to the tool rod. The utility model can realize the press mounting of the valve guide pipe and the valve seat ring on the cylinder cover, not only greatly reduces the labor intensity, but also is convenient to realize the accurate placement and press mounting of the valve guide pipe and the valve seat ring, and greatly improves the press mounting quality and the press mounting efficiency of the cylinder cover.
Description
Technical Field
The utility model relates to the technical field of cylinder cover machining, in particular to a pressing machine for a valve guide pipe and a valve seat ring of a cylinder cover.
Background
In the machining process of the cylinder cover, the press mounting of the valve guide and the valve seat ring is needed. The valve guide pipe is a guide device of the automobile engine valve, plays a role in guiding the valve and enables heat on the valve rod to be transmitted to the cylinder cover through the valve guide pipe; the valve seat ring is a replaceable valve seat which is arranged on a cylinder body of a side-mounted valve engine and a cylinder cover or a cylinder-free body of an overhead valve engine, mainly used for sealing a valve and bearing high-speed impact, and can prolong the service life of the cylinder cover. The valve guide pipe, the valve seat ring and the bottom hole of the cylinder cover are connected in an interference fit mode, and the valve guide pipe and the valve seat ring can be pressed in only by applying large external pressure to finish assembly.
At present, the pressure equipment of valve guide and valve seat circle on the cylinder head, most go on through the mode of artifical manual pressure equipment, operation workman manually operation hydraulic cylinder press cooperation special fixture accomplishes, not only intensity of labour is big, pressure equipment is inefficient, and because can't realize the accurate location of pressure equipment spare and steadily push down when the pressure equipment operation, it is big to make pressure equipment quality receive the human factor to influence, if the pressure equipment is not in place, can directly influence follow-up valve mechanism's assembly quality, and then appear leaking gas when using, a series of problems such as valve damage, lead to the complete machine trouble.
Disclosure of Invention
The present inventors have conducted intensive studies to overcome the above-identified drawbacks of the prior art, and as a result, have completed the present invention after having made a great deal of creative efforts.
Specifically, the technical problems to be solved by the present invention are: the utility model provides a cylinder head valve guide and valve seat insert pressure equipment machine to solve present manual work and carry out the pressure equipment mode of valve guide and valve seat insert, intensity of labour is big, and pressure equipment inefficiency, and the technical problem that the pressure equipment qualification rate is low.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
a cylinder head valve guide and a valve seat ring press-fitting machine comprises a frame, wherein the frame is provided with a press-fitting table, a bearing plate for bearing a cylinder head is fixedly mounted on the press-fitting table, conveying lines for conveying the cylinder head are arranged on two sides of the frame, the conveying lines are arranged corresponding to the press-fitting table of the frame, and two sets of press-fitting mechanisms are further arranged on the frame along the conveying direction of the cylinder head;
the press-fitting mechanism comprises a positioning stop block driven by a positioning cylinder, a tool rod driven by a jacking cylinder and a pressure head driven by a servo motor, wherein the positioning stop block is respectively arranged on two adjacent sides of the bearing plate, the tool rod is slidably mounted on the press-fitting table along the vertical direction, the end part of the tool rod is provided with a pipe positioning and placing section, and when the tool rod is in a press-fitting state, the tool rod penetrates through the bearing plate, and the pressure head is positioned above the tool rod and corresponds to the tool rod.
As an improved technical scheme, the conveying line comprises conveying rails and a plurality of roller shafts which are rotatably arranged between the conveying rails, transmission chain wheels are arranged at the equidirectional ends of the roller shafts, adjacent roller shafts are in transmission connection with each other through the transmission chain wheels and the transmission chains, conveying motors are fixedly arranged on the conveying rails and are in transmission connection with one of the roller shafts.
As an improved technical scheme, the bearing surface of the bearing plate is provided with a plurality of supporting blocks which are uniformly arranged, and a drainage ditch is formed between every two adjacent supporting blocks.
As an improved technical scheme, the positioning cylinder is fixedly installed at the bottom of the press mounting table, a stop block limiting groove is formed in the press mounting table, the positioning stop block is arranged in the stop block limiting groove, and the end part of a piston shaft of the positioning cylinder penetrates through the press mounting table to be connected with the positioning stop block.
As an improved technical scheme, the top of the positioning stop block is rotatably provided with a roller, and the rolling surface of the roller is higher than the top surface of the positioning stop block.
As an improved technical scheme, the jacking cylinder is fixedly installed at the bottom of the press fitting table, a tool rod guide cylinder is fixedly installed on the press fitting table, the top end of the tool rod guide cylinder extends to the bearing plate, the tool rod is slidably installed in the tool rod guide cylinder in an adaptive mode, and the end portion of a piston rod of the jacking cylinder is connected with the bottom end of the tool rod.
The pressure head is the integrated into one piece structure, just the pressure head includes direction insert section, pipe pressure equipment section and seat circle pressure equipment section from bottom to top in proper order, the external diameter of direction insert section and the internal diameter looks adaptation of valve pipe, the external diameter of pipe pressure equipment section and the external diameter looks adaptation of valve pipe, the outer terminal surface structure looks adaptation of seat circle pressure equipment section and valve seat circle.
After the technical scheme is adopted, the utility model has the beneficial effects that:
(1) the cylinder cover valve guide and valve seat ring press-mounting machine is simple in structure, ordered conveying of a cylinder cover is realized through a conveying line, and two sets of press-mounting mechanisms are arranged, wherein one set of press-mounting mechanism is used for realizing press-mounting of the valve guide and the valve seat ring at the position of an intake valve of the cylinder cover, and the other set of press-mounting mechanism is used for realizing press-mounting of the valve guide and the valve seat ring at the position of an exhaust valve of the cylinder cover; when the press mounting of the valve guide pipe and the valve retainer ring is carried out on the cylinder cover, firstly, the positioning cylinder works, the positioning stop block is lifted, the cylinder cover conveyed by an operator is pushed onto the bearing plate, the cylinder cover is abutted against the positioning stop block to realize the positioning of the cylinder cover, then, the lifting cylinder works, the tool rod is lifted and inserted into a valve hole of the cylinder cover, then, the valve guide pipe is inserted onto the tool rod by the operator, the valve retainer ring is placed at the bottom hole of the cylinder cover, finally, the servo motor works, the driving pressure head is pressed down, the lifting cylinder acts to drive the tool rod to move down together in the process that the pressure head is abutted against the valve guide pipe and pressed down, thereby realizing the accurate press mounting of the valve guide pipe and the valve retainer ring on the cylinder cover, after the press mounting is finished, the servo motor works to drive the lifting pressure head to reset, meanwhile, the positioning cylinder works to drive the positioning stop block to move down to reset, so that the pressed cylinder cover is pushed downwards continuously.
The press-mounting machine realizes the press-mounting of the valve guide pipe and the valve seat ring on the cylinder cover, not only greatly reduces the labor intensity, and is convenient for realizing the accurate placement and press mounting of the valve guide pipe and the valve seat ring, can ensure the valve guide pipe and the valve seat ring to be pressed in place, thereby greatly improving the press-fitting quality and the press-fitting efficiency of the cylinder cover, in addition, the two sets of press-fitting mechanisms are sequentially arranged and matched in the conveying direction of the cylinder cover, after the front set of press-fitting mechanism finishes the press-fitting of the position of the air inlet door of the cylinder cover, the front set of press-fitting mechanism is conveyed to the rear set of press-fitting mechanism to finish the press-fitting of the position of the exhaust door of the cylinder cover, and the press mounting operation of the next cylinder cover is carried out by just adopting the previous press mounting mechanism while adopting the press mounting of the next press mounting mechanism, therefore, efficient and ordered press mounting of the cylinder cover is achieved, press mounting machining efficiency of the cylinder cover is further improved, and the device is convenient and practical.
(2) The drain that the bearing face of bearing board formed, if there is impurity or sweeps granule between cylinder head and bearing board, impurity or sweeps granule can in time drop to the drain in, avoid wearing and tearing or fish tail cylinder head when promoting the cylinder head.
(3) The top of the positioning stop block positioned between the two bearing plates is rotatably provided with the roller, so that a transition effect is achieved, and the cylinder cover can be conveniently pushed onto the next bearing plate.
(4) The tool rod guide cylinder arranged on the press-fitting bench is convenient for realizing the stable sliding of the tool rod in the vertical direction, thereby providing reliable guarantee for realizing the accurate positioning placement and press-fitting of the valve guide pipe and ensuring the valve guide pipe to be pressed and fitted in place.
(5) This pressure head structure that is equipped with can realize the pressure equipment to valve guide and valve seat circle simultaneously, during the displacement of pushing down, the guide inserts the section and fixes a position earlier and inserts in the valve guide, support to the valve guide after the pipe pressure equipment section supports and lean on, press the valve guide and move down, support to the seat circle pressure equipment section and support and lean on the valve seat circle after, press valve guide and valve seat circle together and move down to the equipment position, thereby through the action of pushing down of pressure head, can accomplish the pressure equipment of valve guide and valve seat circle simultaneously, greatly reduced the pressure equipment process, the pressure equipment is efficient.
Drawings
In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the utility model or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic perspective view of another embodiment of the present invention;
FIG. 3 is a schematic structural view of a cylinder head in accordance with the present invention;
FIG. 4 is a schematic structural view showing a press-fitting state of the cylinder head by the press-fitting mechanism according to the present invention;
FIG. 5 is a schematic view of the mounting structure of the components of the present invention on the press-fitting table;
FIG. 6 is a schematic view of the positioning block of the present invention;
FIG. 7 is a schematic view of the construction of a tooling bar according to the present invention;
FIG. 8 is a schematic structural view of the indenter of the present invention;
reference numerals: 1-a frame; 101-a press mounting table; 2-a bearing plate; 201-supporting block; 3-conveying line; 4, positioning a cylinder; 5, positioning a stop block; 6-roller shaft; 7-jacking a cylinder; 8-a tooling rod; 801-catheter positioning placement section; 9-a tool rod guide cylinder; 10-a servo motor; 11-a pressure head; 1101-a guide insertion section; 1102-a duct press-fitting section; 1103-seat ring press-mounting section; 12-a cylinder head; 13-a valve guide; 14-valve seat ring.
Detailed Description
The utility model is further illustrated by the following specific examples. The use and purpose of these exemplary embodiments are to illustrate the present invention, not to limit the actual scope of the present invention in any way, and not to limit the scope of the present invention in any way.
As shown in fig. 1 to 8, the present embodiment provides a cylinder head valve guide and valve seat ring press-fitting machine, which includes a frame 1, where the frame 1 has a press-fitting table 101, a support plate 2 for supporting a cylinder head 12 is fixedly mounted on the press-fitting table 101, two sides of the frame 1 are both provided with conveying lines 3 for conveying the cylinder head 12, the conveying lines 3 are disposed corresponding to the press-fitting table 101 of the frame 1, and the frame 1 is further provided with two sets of press-fitting mechanisms along a conveying direction of the cylinder head.
The press-fitting mechanism comprises a positioning stop block 5 driven by a positioning cylinder 4, a tool rod 8 driven by a jacking cylinder 7 and a pressure head 11 driven by a servo motor 10, wherein the positioning stop block 5 is respectively arranged at two adjacent sides of a bearing plate 2, the tool rod 8 is slidably mounted on a press-fitting table 101 along the vertical direction, the end part of the tool rod 8 is provided with a guide pipe positioning and placing section 801, when the tool rod 8 is in a press-fitting state, the tool rod 8 penetrates through the bearing plate 2, and the pressure head 11 is positioned above the tool rod 8 and corresponds to the tool rod 8.
The conveying line 3 comprises conveying tracks and a plurality of roller shafts rotatably arranged between the conveying tracks, transmission chain wheels are arranged at the same-direction ends of the roller shafts, adjacent roller shafts are in transmission connection with a transmission chain through the transmission chain wheels, a conveying motor is fixedly arranged on the conveying tracks and is in transmission connection with one of the roller shafts, and the conveying motor works to drive each roller shaft to rotate so as to realize the conveying of the cylinder cover 12; in this embodiment, since the driving of each roller shaft by the conveying motor is well known to those skilled in the art, the transmission connection structure between the conveying motor and the roller shaft is not shown in the drawings.
In this embodiment, the bearing face of bearing board 2 has the supporting shoe 201 that a plurality of align to grid set up, forms between adjacent supporting shoe 201 and excretes the ditch, if there are impurity or sweeps granule between cylinder head 12 and bearing board 2, impurity or sweeps granule can in time drop to excreteing in the ditch, avoid wearing and tearing or fish tail cylinder head 12 when promoting cylinder head 12.
In this embodiment, the positioning cylinder 4 is fixedly installed at the bottom of the press mounting table 101, a stop limit groove is formed in the press mounting table 101, the positioning stop 5 is arranged in the stop limit groove, the end portion of the piston shaft of the positioning cylinder 4 penetrates through the press mounting table 101 to be connected with the positioning stop 5, and the positioning cylinder 4 works to drive the positioning stop 5 to be lifted or lowered for resetting.
In this embodiment, the top of location dog 5 is rotated through the pivot and is installed gyro wheel 6, and the roll surface of gyro wheel 6 is higher than the top surface setting of location dog 5, is located the gyro wheel 6 that rotates the installation on the location dog 5 between two bearing board 2, plays the transition effect to be convenient for with cylinder head 12 propelling movement to next bearing board 2 on.
In the embodiment, the jacking cylinder 7 is fixedly arranged at the bottom of the press-fitting table 101, the tool rod guide cylinder 9 is also fixedly arranged on the press-fitting table 101, the top end of the tool rod guide cylinder 9 extends to the bearing plate 2, the tool rod 8 is arranged in the tool rod guide cylinder 9 in a sliding manner in a matching manner, and the end part of a piston rod of the jacking cylinder 7 is connected with the bottom end of the tool rod 8; the tool rod guide cylinder 9 is convenient to realize the stable sliding of the tool rod 8 in the vertical direction, so that a reliable guarantee is provided for the accurate positioning and the press mounting of the valve guide pipe, and the valve guide pipe is ensured to be pressed and mounted in place.
In this embodiment, the servo motor 10 is fixedly installed on the top of the frame 1, and the structure of the servo motor 10 driving the ram 11 to move up and down is well known to those skilled in the art, and therefore will not be described herein.
In this embodiment, the pressure head 11 is an integrally formed structure, and the pressure head 11 sequentially includes a guide insertion section 1101, a guide pipe press-fitting section 1102 and a seat ring press-fitting section 1103 from bottom to top, an outer diameter of the guide insertion section 1101 is matched with an inner diameter of the valve guide pipe 13, an outer diameter of the guide pipe press-fitting section 1102 is matched with an outer diameter of the valve guide pipe 13, and the seat ring press-fitting section 1103 is matched with an outer end surface structure of the valve seat ring 14; the pressing head structure is arranged, the pressing of the valve guide pipe 13 and the valve seat ring 14 can be achieved simultaneously, during downward pressing displacement, the guide insertion section 1101 is firstly positioned and inserted into the valve guide pipe 13, the valve guide pipe 13 is pressed to move downwards after the guide pipe pressing section 1102 abuts against the valve guide pipe 13, the valve guide pipe 13 and the valve seat ring 14 are pressed to move downwards together after the seat ring pressing section 1103 abuts against the valve seat ring 14, and therefore the pressing operation of the valve guide pipe 13 and the valve seat ring 14 can be completed simultaneously through one downward pressing action of the pressing head 11, the pressing operation is greatly reduced, and the pressing operation efficiency is high.
This cylinder head valve guide and valve seat circle pressure equipment machine based on above-mentioned structure, simple structure realizes the orderly transport of cylinder head 12 through transfer chain 3, and two sets of pressure equipment mechanisms that are equipped with, one of them set is used for realizing the pressure equipment of valve guide and valve seat circle in cylinder head 12 intake valve position department, and one set is used for realizing the pressure equipment of valve guide and valve seat circle in cylinder head 12 exhaust valve position department in addition, and the order is unrestricted around two sets of pressure equipment mechanisms.
When press-fitting of the valve guide 13 and the valve retainer 14 on the cylinder cover 12, firstly, the positioning cylinder 4 works, the positioning stop block 5 is lifted, the operator pushes the conveyed cylinder cover 12 onto the bearing plate 2, the cylinder cover 12 abuts against the positioning stop block 5 to realize the positioning of the cylinder cover 12, then, the lifting cylinder works, the tool rod 8 is lifted, the tool rod 8 is inserted into a valve hole of the cylinder cover 12, then, the operator inserts the valve guide 13 onto the tool rod 8, the valve retainer 14 is placed at the bottom hole of the cylinder cover 12, finally, the servo motor 10 works, the driving head 11 is pressed downwards, the lifting cylinder acts to drive the tool rod 8 to move downwards together in the process that the pressing head 11 abuts against the valve guide 13 and is pressed downwards, so that the valve guide 13 and the valve retainer 14 are accurately press-fitted on the cylinder cover 12, and the servo motor 10 works after the press-fitting is completed, the ascending pressure head 11 is driven to reset, meanwhile, the positioning cylinder 4 works to drive the positioning stop block 5 to descend and reset, so that the pressed cylinder cover 12 is continuously pushed downwards.
The press-fitting machine is used for realizing the press-fitting of the valve guide pipe and the valve seat ring on the cylinder cover, not only greatly reduces the labor intensity, but also is convenient for realizing the accurate placement and press-fitting of the valve guide pipe 13 and the valve seat ring 14, and can ensure that the valve guide pipe 13 and the valve seat ring 14 are pressed and fitted in place, thereby greatly improving the press-fitting quality and the press-fitting efficiency of the cylinder cover, in addition, two sets of press-fitting mechanisms are sequentially arranged and matched in the conveying direction of the cylinder cover to work, after the previous set of press-fitting mechanism finishes the press-fitting of the position of the air inlet valve of the cylinder cover, the previous set of press-fitting mechanism is conveyed to the next set of press-fitting mechanism to finish the press-fitting of the position of the exhaust valve of the cylinder cover, and when the next set of press-fitting mechanism is adopted for press-fitting, the high-efficiency and ordered press-fitting of the cylinder cover is further improved, is convenient and practical.
It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should also be understood that various alterations, modifications and/or variations can be made to the present invention by those skilled in the art after reading the technical content of the present invention, and all such equivalents fall within the protective scope defined by the claims of the present application.
Claims (6)
1. The utility model provides a cylinder head valve guide and valve seat ring pressure equipment machine which characterized in that: the cylinder cover bearing device comprises a rack, wherein the rack is provided with a press mounting table, a bearing plate for bearing a cylinder cover is fixedly mounted on the press mounting table, conveying lines for conveying the cylinder cover are arranged on two sides of the rack, the conveying lines are arranged corresponding to the press mounting table of the rack, and two sets of press mounting mechanisms are further arranged on the rack along the conveying direction of the cylinder cover;
the press-fitting mechanism comprises a positioning stop block driven by a positioning cylinder, a tool rod driven by a jacking cylinder and a pressure head driven by a servo motor, wherein the positioning stop block is respectively arranged on two adjacent sides of the bearing plate, the tool rod is slidably mounted on the press-fitting table along the vertical direction, the end part of the tool rod is provided with a pipe positioning and placing section, and when the tool rod is in a press-fitting state, the tool rod penetrates through the bearing plate, and the pressure head is positioned above the tool rod and corresponds to the tool rod.
2. The cylinder head valve guide and valve seat ring press-fitting machine according to claim 1, characterized in that: the bearing surface of the bearing plate is provided with a plurality of supporting blocks which are uniformly arranged, and a drainage ditch is formed between every two adjacent supporting blocks.
3. The cylinder head valve guide and valve seat ring press-fitting machine according to claim 2, characterized in that: the positioning cylinder is fixedly arranged at the bottom of the press mounting table, a stop block limiting groove is formed in the press mounting table, the positioning stop block is arranged in the stop block limiting groove, and the end part of a piston shaft of the positioning cylinder penetrates through the press mounting table to be connected with the positioning stop block.
4. The cylinder head valve guide and valve seat ring press-fitting machine according to claim 3, characterized in that: and the top of the positioning stop block is rotatably provided with a roller.
5. The cylinder head valve guide and valve seat ring press-fitting machine according to claim 4, characterized in that: jacking cylinder fixed mounting in the bottom of pressure equipment platform, the pressure equipment bench is still fixed mounting has the frock pole guide cylinder, the top of frock pole guide cylinder extends to the bearing board sets up, frock pole adaptation slidable mounting in the frock pole guide cylinder, just the tailpiece of the piston rod portion of jacking cylinder with the bottom of frock pole is connected.
6. The cylinder head valve guide and valve seat ring press-fitting machine according to claim 5, characterized in that: the pressure head is the integrated into one piece structure, just the pressure head includes direction insert section, pipe pressure equipment section and seat circle pressure equipment section from bottom to top in proper order, the external diameter of direction insert section and the internal diameter looks adaptation of valve pipe, the external diameter of pipe pressure equipment section and the external diameter looks adaptation of valve pipe, the outer terminal surface structure looks adaptation of seat circle pressure equipment section and valve seat circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123035673.5U CN215393621U (en) | 2021-12-06 | 2021-12-06 | Press-fitting machine for valve guide pipe and valve seat ring of cylinder cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123035673.5U CN215393621U (en) | 2021-12-06 | 2021-12-06 | Press-fitting machine for valve guide pipe and valve seat ring of cylinder cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215393621U true CN215393621U (en) | 2022-01-04 |
Family
ID=79665940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123035673.5U Active CN215393621U (en) | 2021-12-06 | 2021-12-06 | Press-fitting machine for valve guide pipe and valve seat ring of cylinder cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215393621U (en) |
-
2021
- 2021-12-06 CN CN202123035673.5U patent/CN215393621U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A cylinder head valve guide and valve seat ring press machine Granted publication date: 20220104 Pledgee: Weifang Jinma road sub branch of Bank of Weifang Co.,Ltd. Pledgor: WEIFANG SIBO PRECISION TECHNOLOGY Co.,Ltd. Registration number: Y2024980007539 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |