CN214056129U - Brake block hot press that can independently accuse pressure - Google Patents
Brake block hot press that can independently accuse pressure Download PDFInfo
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- CN214056129U CN214056129U CN202022682835.3U CN202022682835U CN214056129U CN 214056129 U CN214056129 U CN 214056129U CN 202022682835 U CN202022682835 U CN 202022682835U CN 214056129 U CN214056129 U CN 214056129U
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Abstract
The utility model discloses a brake block hot press that can independently control pressure relates to brake block production technical field. This hot press includes the fuselage frame of constituteing by last base, well die holder, lower base and stand, the left and right both sides of fuselage frame be provided with respectively and be used for the drive well die holder mode locking hydro-cylinder that reciprocates, last base on fixedly be provided with mould unit, well die holder on fixedly be provided with well die unit, well die unit include the die fixing base and set up in a plurality of die on the die fixing base, the below of each die all is provided with a die unit and is used for the drive the master cylinder that lower die unit reciprocated, lower die unit pass through coupling assembling and the piston rod fixed connection who corresponds the master cylinder. The hot press can produce brake pads of different models in a pressing process, is more suitable for production requirements of various types and small batches, and is more flexible in application.
Description
Technical Field
The utility model belongs to the technical field of the brake block production technique and specifically relates to a brake block hot press that can independently control pressure.
Background
The traditional hot press applied to brake pad production generally has a main oil cylinder, and during operation, the main oil cylinder drives a plurality of male dies to move upwards together, thereby pressing the raw materials in the cavity.
Because the traditional hot press is characterized in that a plurality of male dies are driven by a main oil cylinder to move upwards together, and the male dies are connected together through a connecting piece to form a whole, the pressure of the main oil cylinder is evenly distributed in each cavity during working, namely the pressure in each cavity is equal. Because the pressing pressure required by the brake pads of different models can have certain difference, the traditional hot press can only produce the brake pads of the same model in one-time pressing process.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the utility model provides a but brake block hot press of independent accuse pressure because the pressure in each die cavity of this hot press can the independent control, consequently can be in the brake block of the different models of pressing in-process production of once, adapt to the production requirement of multiple type, small batch volume more, use in a flexible way more.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a brake block hot press that can independently control pressure, includes the fuselage frame of constituteing by last base, well die holder, lower base and stand, the left and right both sides of fuselage frame be provided with respectively and be used for the drive well die holder mode locking hydro-cylinder that reciprocates, last base on fixedly be provided with the mould unit, well die holder on fixedly be provided with well die unit, well die unit include the die fixing base with set up in a plurality of die on the die fixing base, the below of each die all is provided with a die unit and is used for the drive the master cylinder that lower die unit reciprocated, lower die unit pass through coupling assembling and the piston rod fixed connection who corresponds the master cylinder.
Furthermore, a plurality of the female dies are transversely arranged in a straight line, and two main oil cylinders which are longitudinally arranged in a straight line are arranged below each lower die unit.
Furthermore, a plurality of master cylinders are integrated on a bottom plate, oil ports which are in one-to-one correspondence with the female dies are arranged on the bottom plate, and the oil ports are communicated with rodless cavities of the corresponding master cylinders through oil passages arranged in the bottom plate.
Furthermore, a boss is arranged on the lower end face of the main oil cylinder, a slot matched with the boss is formed in the base plate, a first sealing ring is sleeved on the boss, a second sealing ring is arranged between the lower end face of the main oil cylinder and the upper side face of the base plate, the second sealing ring and the first sealing ring are coaxially arranged, a through hole is formed in the boss, and the oil duct is communicated with the rodless cavity of the main oil cylinder through the through hole.
Further, the fuselage frame internal fixation be provided with a fixed plate, the fixed plate on be provided with and be used for holding the mounting hole of master cylinder, be provided with a step face on the cylinder body of master cylinder, just the downside of fixed plate compresses tightly the step face on.
Furthermore, coupling assembling be located well die holder in, just coupling assembling and well die holder between be provided with limit structure, limit structure definite lower die unit for the last extreme position and the lower extreme position of well die holder.
Furthermore, well die holder in be located coupling assembling's preceding, back both sides are provided with the spacing groove respectively, coupling assembling's preceding, back both ends insert respectively the spacing inslot.
Further, the rear end of coupling assembling is fixed with the response pole, just the response pole pass slotted hole on the well die holder lateral wall extends to the outside of well die holder, well die holder on lie in one side of each response pole and all be provided with the switch support, the switch support on be provided with upper inductive switch and next inductive switch respectively.
Further, be provided with on the last side of die fixing base and be used for holding the recess of die, the lower tip of die inserts the recess in, be provided with on the bottom surface of recess and dodge the hole, down the terrace die of lower mould unit from up passing dodge the hole insert in the nib of die, the front side and the rear side of die fixing base are provided with respectively and are used for the tight top the puller bolt of die.
Furthermore, the upper base is provided with upper die units which correspond to the female dies one to one.
The utility model has the advantages that:
1. the hot press can independently control the pressure in each cavity, so that brake pads of different models can be produced in one pressing process, the production requirements of various types and small batches are met, and the application is more flexible.
2. The hot press integrates the oil ports of the main oil cylinders communicated with the rodless cavity on the bottom plate, so that the structural complexity is reduced, the size is basically the same as that of the traditional hot press, and the size of the hot press is not increased due to independent pressure control.
3. Through will go up the mould design split type structure, not only can independent control pressure like this, can also the temperature of each die cavity of independent control, really realize the independent suppression of each die cavity, it is more nimble in the application.
4. This last mould fixed knot of hot press constructs, simple structure does not need any instrument can realize the installation and the dismantlement of mould, and it is more convenient to use.
Drawings
FIG. 1 is a first schematic perspective view of a hot press;
FIG. 2 is a schematic perspective view of a second hot press;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
FIG. 4 is a front view of the press;
FIG. 5 is a side view of the press;
FIG. 6 is a cross-sectional view A-A of FIG. 4;
FIG. 7 is an enlarged view of portion B of FIG. 6;
FIG. 8 is an enlarged view of the portion C of FIG. 6;
FIG. 9 is a cross-sectional view taken along line B-B of FIG. 5;
fig. 10 is an exploded view of the middle mold unit.
In the figure: 11-an upper base, 12-a middle die holder, 121-a sleeve, 122-a front vertical plate, 123-a rear vertical plate, 124-a left vertical plate, 125-a right vertical plate, 126-a left horizontal plate, 127-a right horizontal plate, 128-a limiting groove, 129-a long round hole, 13-a lower base, 14-an upright post, 15-a switch bracket, 151-an upper inductive switch and 152-a lower inductive switch,
2-a mould locking oil cylinder,
3-an upper die unit, 31-an upper die heat insulation plate, 32-an upper die heating plate, 33-an upper die pressing plate,
4-middle mold unit, 41-female mold fixing seat, 411-avoidance hole, 412-puller bolt, 42-female mold, 421-heating jacket,
5-lower die unit, 51-lower die mounting plate, 52-lower die insulation plate, 53-lower die heating plate, 54-male die,
61-lower connecting plate, 611-induction rod, 62-heat insulation protection plate, 63-upper connecting plate,
7-main oil cylinder, 71-boss, 711-through hole,
8-bottom plate, 81-oil port, 821-main oil channel and 822-branch oil channel.
Detailed Description
For convenience of description, a coordinate system is defined as shown in fig. 1, and the left-right direction is a horizontal direction (row), the front-back direction is a vertical direction (column), and the up-down direction is a vertical direction.
As shown in fig. 1 and 2, the brake pad hot press capable of independently controlling pressure comprises a machine body frame, a main oil cylinder 7, a mold locking oil cylinder 2, a hot pressing mold assembly, an electrical control system and a hydraulic system.
The fuselage frame include from the top down set gradually go up base 11, well die holder 12, lower base 13 and with going up base 11, well die holder 12 and four stands 14 that lower base 13 connected together, four stands 14 set up on four angles of fuselage frame, just well die holder 12 can follow stand 14 and slide from top to bottom.
And the left side and the right side of the middle die holder 12 are respectively provided with a die locking oil cylinder 2 for driving the middle die holder 12 to move up and down. As a specific implementation manner, in this embodiment, the mold locking cylinder 2 is disposed between the middle mold base 12 and the lower base 13, a cylinder body of the mold locking cylinder 2 is fixedly connected to the lower base 13, and a piston rod of the mold locking cylinder 2 is fixedly connected to the middle mold base 12.
As shown in fig. 4, the hot press mold assembly includes an upper mold unit 3, a middle mold unit 4 and a lower mold unit 5, wherein the upper mold unit 3 is fixedly disposed on the lower side surface of the upper base 11, and the middle mold unit 4 is fixedly disposed on the upper side surface of the middle mold base 12.
As shown in fig. 6 and 9, the upper die unit 3 sequentially comprises an upper die insulation board 31, an upper die heating plate 32 and an upper die pressing plate 33 from top to bottom, a heating pipe is arranged in the upper die heating plate 32, and an insulation board is wrapped on the outer side surface of the upper die heating plate 32. The connection structure between the parts of the upper die unit 3 belongs to the prior art for those skilled in the art, and is not described herein again.
As shown in fig. 10, the middle mold unit 4 includes a die holder 41 fixedly connected to the middle mold base 12, and a plurality of dies 42 are fixedly disposed on the die holder 41. As shown in fig. 4 and 6, a lower die unit 5 matched with the female die 42 is arranged below each female die 42 in the middle die holder 12, a master cylinder 7 used for driving the lower die unit 5 to move up and down is arranged below each lower die unit 5, and the lower die unit 5 is fixedly connected with a rod end of a piston rod of the master cylinder 7 through a connecting assembly.
As a specific implementation manner, as shown in fig. 10, four concave dies 42 are fixedly disposed on the concave die fixing base 41 in this embodiment, and the four concave dies 42 are arranged in a row along the transverse direction.
As shown in fig. 6 and 9, a groove having a shape matching with the shape of the die 42 and used for accommodating the die 42 is formed on the upper side surface of the die holder 41, and the lower end of the die 42 is inserted into the groove. Be provided with on the bottom surface of recess and dodge hole 411, terrace die 54 of lower die unit 5 is from up passing down dodge hole 411 insert in the nib of die 42, die 42 and terrace die 54 form the lower extreme jointly and seal upper end open-ended die cavity. As shown in fig. 8, the front side and the rear side of the die holder 41 are respectively provided with a puller bolt 412, the puller bolt 412 is in threaded connection with the die holder 41, and the end of the puller bolt 412 penetrates through the side wall of the groove and is abutted against the die 42. Preferably, the female die 42 is provided with a concave part matched with the tightening bolt 412. As shown in fig. 10, a heating jacket 421 is wrapped on a part of the female die 42 above the female die fixing seat 41.
As shown in fig. 8 and 9, the lower die unit 5 sequentially includes a lower die mounting plate 51, a lower die insulation plate 52, a lower die heating plate 53 and a male die 54 from bottom to top, and a heating pipe extending into the male die 54 is disposed on the lower die heating plate 53. The connection structure between the various parts of the lower die unit 5 is known to those skilled in the art and will not be described herein.
As shown in fig. 8, the connecting assembly sequentially comprises a lower connecting plate 61, a heat insulation protecting plate 62 and an upper connecting plate 63 from bottom to top, and the lower die unit 5 is connected with the piston rod of the main cylinder 7 through the connecting assembly and forms a rigid whole.
Further, in order to reduce the volume of the whole hot press, as shown in fig. 6, two master cylinders 7 are arranged below each lower die unit 5, and the two master cylinders 7 located below the same lower die unit 5 are arranged in a line along the longitudinal direction. That is, all the master cylinders 7 are arranged in a matrix of two rows and four columns.
Further, in order to reduce the structural complexity of the whole hot press, the structure of the whole hot press is more compact. As shown in fig. 6 and 7, a bottom plate 8 is fixedly arranged on the lower base 13, and the lower end surface of each main cylinder 7 is hermetically connected with the bottom plate 8. As shown in fig. 1, four oil ports 81 are provided at the front side of the bottom plate 8, the four oil ports 81 correspond to the four female dies 42 one by one, and preferably, the oil ports 81 are located right in front of the female dies 42. The oil port 81 is communicated with the rodless cavity of the corresponding main oil cylinder 7 through an oil passage arranged in the bottom plate 8. As a specific implementation manner, as shown in fig. 7, the oil passage in this embodiment includes a main oil passage 821 extending along a longitudinal direction, the main oil passage 821 is located right below the corresponding main oil cylinder 7, one end of the main oil passage 821 is communicated with the oil port 81, the other end of the main oil passage 821 is a blind end, two branch oil passages 822 extending upward along a vertical direction are disposed on the main oil passage 821, and the two branch oil passages 822 are respectively communicated with rodless cavities of the two main oil cylinders 7 located right above the main oil passage 821. In this way, it is equivalent to integrate the oil ports 81 of all the master cylinders 7 communicating with the rodless chambers on the bottom plate 8, and the rodless chambers of two master cylinders 7 located below the same lower die unit 5 share one oil port 81.
As a specific implementation manner, in this embodiment, a cylindrical boss 71 extending downward in the axial direction is disposed on the lower end surface of the main cylinder 7, an insertion slot matched with the boss 71 is disposed on the bottom plate 8, the boss 71 is inserted into the insertion slot, a first sealing ring is disposed between the cylindrical surface of the boss 71 and the cylindrical surface of the insertion slot, and a second sealing ring is disposed between the lower end surface of the main cylinder 7 and the upper side surface of the bottom plate 8, preferably, the second sealing ring is circular and is coaxially disposed with the first sealing ring. A through hole 711 communicated with a rodless cavity of the main oil cylinder 7 is arranged at the center of the circle of the boss 71, a branch oil channel 822 communicated with a main oil channel 821 positioned below the main oil cylinder 7 is arranged at the center of the circle of the bottom surface of the slot, the through hole 711 and the branch oil channel 822 are coaxially arranged, and preferably, the diameter of the through hole 711 is the same as that of the branch oil channel 822.
Further, as shown in fig. 6 and 8, a fixing plate for fixing the master cylinder 7 is disposed inside the machine body frame and below the middle die holder 12, four corners of the fixing plate are respectively fixedly connected to the upright posts 14, and the fixing plate is provided with a mounting hole for accommodating a cylinder body of the master cylinder 7. Preferably, a step surface is arranged on the cylinder body of the main oil cylinder 7, and the lower side surface of the fixing plate is pressed on the step surface.
As a specific implementation manner, in this embodiment, four corners of the fixing plate are respectively provided with a clamping plate, the clamping plate is fixedly connected to the fixing plate through a screw, and the fixing plate and the clamping plate are respectively provided with an arc-shaped groove for clamping the upright 14.
Further, a limiting structure is arranged between the connecting assembly and the middle die holder 12, and the limiting structure determines the upper limit position and the lower limit position of the lower die unit 5 relative to the middle die holder 12. In the mold closing process, the main oil cylinder 7 passively absorbs oil under the driving of the mold locking oil cylinder 2.
The reason for this design is that on the one hand, the rising speed of the lower die unit 5 can be ensured to be strictly consistent, and the change of the depth of the cavity caused by the inconsistent extending speed of the main oil cylinder 7 is avoided. On the other hand, in the mold closing process, the main oil cylinder 7 passively absorbs oil instead of actively supplying oil through an oil pump, so that the mold closing speed can be increased without being limited by the discharge capacity of the oil pump.
As a specific embodiment, as shown in fig. 10, the middle mold base 12 includes four sleeves 121, and a sliding sleeve is disposed in the sleeves 121 and is matched with the upright posts 14. Vertical plates extending in the vertical direction are arranged between two adjacent sleeves 121, and for convenience of description, the four vertical plates are named as a front vertical plate 122, a rear vertical plate 123, a left vertical plate 124 and a right vertical plate 125 respectively according to positions of the four vertical plates. A left transverse plate 126 is fixedly arranged at the upper end of the left vertical plate 124, the left side surface of the left transverse plate 126 is located on the left side of the left side surface of the left vertical plate 124, the front end of the left transverse plate 126 is fixedly connected with the front vertical plate 122 and the sleeve 121 located on the front side, and the rear end of the left transverse plate 126 is fixedly connected with the rear vertical plate 123 and the sleeve 121 located on the rear side. A right transverse plate 127 is fixedly arranged at the upper end of the right vertical plate 125, the right lateral surface of the right transverse plate 127 is positioned at the right side of the right lateral surface of the right vertical plate 125, the front end of the right transverse plate 127 is fixedly connected with the front vertical plate 122 and the sleeve 121 positioned at the front side, and the rear end of the right transverse plate 127 is fixedly connected with the rear vertical plate 123 and the sleeve 121 positioned at the rear side. The die fixing seat 41 is fixedly provided with the left transverse plate 126 and the upper part with the transverse plate, and the left end and the right end of the die fixing seat 41 are respectively connected with the left transverse plate 126 and the transverse plate fixedly. The lower die unit 5 is located in a square area surrounded by the front vertical plate 122, the rear vertical plate 123, the left vertical plate 124 and the right vertical plate 125. As shown in fig. 10, the inner side surfaces of the front vertical plate 122 and the rear vertical plate 123 (the side opposite to the front vertical plate 122 and the rear vertical plate 123 is the inner side) are respectively provided with a square limiting groove 128, the front end of the connecting assembly is inserted into the limiting groove 128 on the front vertical plate 122, and the rear end of the connecting assembly is inserted into the limiting groove 128 on the rear vertical plate 123. Preferably, as shown in fig. 8, the length of the lower connecting plate 61 in the connecting assembly is greater than the lengths of the heat insulation plate and the upper connecting plate 63, and the front end and the rear end of the lower connecting plate 61 are respectively inserted into the limiting grooves 128 of the front vertical plate 122 and the rear vertical plate 123.
Further, as shown in fig. 3 and 8, an induction rod 611 is fixedly disposed on a rear end surface of the lower connecting plate 61, and the induction rod 611 passes through the rear vertical plate 123 of the middle die holder 12 and extends to the outside of the middle die holder 12, as shown in fig. 10, an oblong hole 129 extending in the vertical direction and used for accommodating the induction member is disposed on the rear vertical plate 123 of the middle die holder 12, a switch bracket 15 is disposed on one side of each induction rod 611 on an outer side surface of the rear vertical plate 123 of the middle die holder 12, and the switch bracket 15 is respectively provided with an upper induction switch 151 and a lower induction switch 152.
Further, in order to realize independent temperature control of each cavity, as shown in fig. 9, a plurality of upper die units 3 are arranged on the upper base 11, and the upper die units 3 correspond to the female dies 42 in the middle die unit 4 one by one. Namely, an upper die unit 3 is arranged on the upper base 11 and is positioned right above each concave die 42. As a specific implementation manner, four upper die units 3 are arranged on the upper base 11 in this embodiment, and the four upper die units 3 are arranged in a row along the transverse direction.
Claims (10)
1. The utility model provides a brake block hot press that can independently control pressure, includes the fuselage frame of constituteing by last base, well die holder, lower base and stand, the left and right both sides of fuselage frame be provided with respectively and be used for the drive well die holder mode locking hydro-cylinder that reciprocates, last base on the fixed mould unit that is provided with, well die holder on the fixed well die unit that is provided with, well die unit include the die fixing base with set up in a plurality of die on the die fixing base, its characterized in that: and a lower die unit and a master cylinder used for driving the lower die unit to move up and down are arranged below each female die, and the lower die unit is fixedly connected with a piston rod of the corresponding master cylinder through a connecting assembly.
2. The brake pad hot press capable of controlling pressure independently as claimed in claim 1, wherein: the female die is transversely arranged in a straight line, and two main oil cylinders longitudinally arranged in a straight line are arranged below each lower die unit.
3. The brake pad hot press capable of controlling pressure independently as claimed in claim 2, wherein: the main oil cylinders are integrated on a bottom plate, oil ports which are in one-to-one correspondence with the female dies are arranged on the bottom plate, and the oil ports are communicated with rodless cavities of the corresponding main oil cylinders through oil passages arranged in the bottom plate.
4. The brake pad hot press capable of controlling pressure independently as claimed in claim 3, wherein: the lower end face of the main oil cylinder is provided with a boss, the bottom plate is provided with a slot matched with the boss, the boss is sleeved with a first sealing ring, a second sealing ring is arranged between the lower end face of the main oil cylinder and the upper side face of the bottom plate, the second sealing ring and the first sealing ring are coaxially arranged, the boss is provided with a through hole, and the oil duct is communicated with the rodless cavity of the main oil cylinder through the through hole.
5. The brake pad hot press capable of controlling pressure independently as claimed in claim 4, wherein: the fuselage frame internal fixation be provided with a fixed plate, the fixed plate on be provided with and be used for holding the mounting hole of master cylinder, be provided with a step face on the cylinder body of master cylinder, just the downside of fixed plate compresses tightly the step face on.
6. The brake pad hot press capable of controlling pressure independently as claimed in claim 1, wherein: coupling assembling be located well die holder in, just coupling assembling and well die holder between be provided with limit structure, limit structure confirm the lower die unit for the last extreme position and the lower extreme position of well die holder.
7. The brake pad hot press capable of controlling pressure independently as claimed in claim 6, wherein: well die holder in be located coupling assembling's preceding, back both sides are provided with the spacing groove respectively, coupling assembling's preceding, back both ends insert respectively the spacing inslot.
8. The brake pad hot press capable of controlling pressure independently as claimed in claim 7, wherein: the rear end of coupling assembling is fixed with the response pole, just the response pole pass slotted hole on the well die holder lateral wall extends to the outside of well die holder, well die holder on lie in one side of each response pole and all be provided with the switch support, the switch support on be provided with upper inductive switch and next inductive switch respectively.
9. The brake pad hot press capable of controlling pressure independently as claimed in claim 1, wherein: be provided with on the last side of die fixing base and be used for holding the recess of die, the lower tip of die inserts the recess in, be provided with on the bottom surface of recess and dodge the hole, the terrace die of lower mould unit is from up passing down dodge the hole and insert in the nib of die, the front side and the rear side of die fixing base are provided with respectively and are used for the tight top the puller bolt of die.
10. The brake pad hot press capable of controlling pressure independently as claimed in claim 1, wherein: and the upper base is provided with upper die units which correspond to the female dies one to one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022682835.3U CN214056129U (en) | 2020-11-18 | 2020-11-18 | Brake block hot press that can independently accuse pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022682835.3U CN214056129U (en) | 2020-11-18 | 2020-11-18 | Brake block hot press that can independently accuse pressure |
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| Publication Number | Publication Date |
|---|---|
| CN214056129U true CN214056129U (en) | 2021-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022682835.3U Active CN214056129U (en) | 2020-11-18 | 2020-11-18 | Brake block hot press that can independently accuse pressure |
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| Country | Link |
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| CN (1) | CN214056129U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114103215A (en) * | 2021-11-26 | 2022-03-01 | 济南悦创液压机械制造有限公司 | Hot press with pre-compaction function |
-
2020
- 2020-11-18 CN CN202022682835.3U patent/CN214056129U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114103215A (en) * | 2021-11-26 | 2022-03-01 | 济南悦创液压机械制造有限公司 | Hot press with pre-compaction function |
| CN114103215B (en) * | 2021-11-26 | 2023-12-26 | 济南悦创液压机械制造有限公司 | Hot press with pre-compaction function |
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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 brake pad hot press with independent pressure control Effective date of registration: 20220628 Granted publication date: 20210827 Pledgee: Weihai commercial bank Limited by Share Ltd. Ji'nan branch Pledgor: JINAN YUECHUANG HYDRAULICS MACHINERY MANUFACTURING Co.,Ltd. Registration number: Y2022980009176 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230522 Granted publication date: 20210827 Pledgee: Weihai commercial bank Limited by Share Ltd. Ji'nan branch Pledgor: JINAN YUECHUANG HYDRAULICS MACHINERY MANUFACTURING Co.,Ltd. Registration number: Y2022980009176 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A brake pad hot press with independent pressure control Effective date of registration: 20230601 Granted publication date: 20210827 Pledgee: Weihai commercial bank Limited by Share Ltd. Ji'nan branch Pledgor: JINAN YUECHUANG HYDRAULICS MACHINERY MANUFACTURING Co.,Ltd. Registration number: Y2023980042523 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |