CN114889028A - Drum brake block hot briquetting mould - Google Patents
Drum brake block hot briquetting mould Download PDFInfo
- Publication number
- CN114889028A CN114889028A CN202210598310.2A CN202210598310A CN114889028A CN 114889028 A CN114889028 A CN 114889028A CN 202210598310 A CN202210598310 A CN 202210598310A CN 114889028 A CN114889028 A CN 114889028A
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- Prior art keywords
- die
- cavity
- brake pad
- drum brake
- groove
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- 239000000203 mixture Substances 0.000 claims abstract description 43
- 238000007790 scraping Methods 0.000 claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 25
- 238000007731 hot pressing Methods 0.000 claims description 12
- 238000000465 moulding Methods 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 3
- 238000003856 thermoforming Methods 0.000 claims 3
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/34—Feeding the material to the mould or the compression means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/16—Frictional elements, e.g. brake or clutch linings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a hot-press forming die for a drum brake pad, which comprises a lower die holder, a scraping mechanism, an upper die holder and a second telescopic driving piece, wherein at least one die cavity is formed in the lower die holder, a male die is arranged in the die cavity, the male die is provided with an upper cambered surface for placing a mixture, and a placing groove and a through groove are formed in the cavity wall of the die cavity; the scraping mechanism comprises at least one scraping block and a first telescopic driving piece, the scraping block is arranged in the placing groove, the scraping block is provided with a lower arc surface which is the same as the upper arc surface in shape, and the first telescopic driving piece is connected with the scraping block and used for driving the scraping block to move in the cavity. The invention has the beneficial effects that: the thickness of each place of the mixture is the same, so that the density of each place of the hot-pressed brake pad is the same, the compactness of the whole brake pad is uniform, and the service life of the brake pad is ensured.
Description
Technical Field
The invention relates to the technical field of brake pad production molds, in particular to a drum brake pad hot-press forming mold.
Background
The brake pad is mainly made by hot pressing the mixture of fiber, resin, filler, friction modifier and adhesive through a hot press forming die, the brake pad is pressed on the surface of the brake disc or the surface of the brake drum to generate friction force when braking, thereby achieving the purpose of decelerating and braking the vehicle.
Application number 202021921572.0's chinese utility model discloses a hot briquetting mould of drum brake block, including an upper fixed plate, the hydraulic pressure mechanism of bottom plate and drive top plate, bottom plate top middle part is provided with the lower bolster, the fixed module that is provided with in lower bolster top, the module top is provided with the die cavity down, an upper fixed plate installs in the hydraulic pressure mechanism bottom, upper fixed plate bottom left side and right side all are provided with the guide pin bushing, bottom plate top left side and right side all correspond and are provided with the guide pillar, two sets of guide pillars stretch into respectively from two sets of guide pin bushings bottoms and with two sets of guide pin bushing sliding connection, the fixed cope match-plate pattern that is provided with through four groups of dead levers in the upper fixed bottom of upper fixed plate, cope match-plate pattern top middle part is provided with the pneumatic cylinder, the pneumatic cylinder output passes from the cope match-plate pattern top, the pneumatic cylinder output is provided with the module.
Because drum brake block inside and outside both sides are the arc structure, consequently, lower module top and last module bottom are the arc structure, lead to the thickness of die cavity internal mixing material to increase gradually from the centre to both ends like this, lead to the density of the brake block that the hot pressing came out to increase gradually from the centre to both ends, further make the closely knit degree of whole brake block inhomogeneous, influence the life of brake block.
Disclosure of Invention
The invention aims to overcome the technical defects, provides a drum brake pad hot-press forming die, and solves the technical problems that in the prior art, the thickness of a mixture in a die cavity is gradually increased from the middle to two ends, the density of a hot-pressed brake pad is easily gradually increased from the middle to two ends, the compactness of the whole brake pad is uneven, and the service life of the brake pad is influenced.
In order to achieve the technical purpose, the technical scheme of the invention provides a drum brake pad hot-press forming die, which comprises:
the lower die base is provided with at least one die cavity, a male die is arranged in the die cavity and provided with an upper cambered surface for placing a mixture, and a placing groove and a through groove are formed in the cavity wall of the die cavity;
the scraping mechanism comprises at least one scraping block and a first telescopic driving piece, the scraping block is arranged in the placing groove, the scraping block is provided with a lower arc surface which is the same as the upper arc surface in shape, and the first telescopic driving piece is connected with the scraping block and used for driving the scraping block to move in the cavity;
the upper die holder is arranged right above the lower die holder, at least one female die is fixedly arranged on the upper die holder, and the female dies correspond to the male dies one by one;
and the output end of the second telescopic driving piece is fixedly connected with the upper die base and used for driving the upper die base to move.
Furthermore, the number of the cavities is multiple, and the cavities are arranged side by side.
Furthermore, a material collecting bin is arranged on the lower die base and is positioned at the bottom of the plurality of die cavities.
Furthermore, a plurality of material discharge channels are respectively arranged on the cavity wall of the cavity, the upper ends of the material discharge channels are communicated with the through grooves, and the lower ends of the material discharge channels are communicated with the material collecting bin.
Furthermore, the number of the scraping blocks is one more than that of the cavities, the scraping blocks are respectively arranged in the placing groove and the through grooves, and the scraping blocks are connected through two fixing rods.
Furthermore, two sliding grooves are formed in the lower die base, the two sliding grooves are formed oppositely and are located in the cavity, the placing groove and the through groove, and the two fixing rods are connected in the sliding grooves in a sliding mode respectively.
Furthermore, a plurality of goods outlet openings are formed in the lower die base and are respectively communicated with the die cavities.
Furthermore, the cavity walls of the plurality of cavities are respectively provided with a one-to-one corresponding limiting groove, and the limiting grooves are polygonal-line-shaped grooves.
Further, the drum brake pad hot-press forming die also comprises a driving mechanism, the driving mechanism comprises a connecting shaft, two fixing seats and two third telescopic driving pieces, the connecting shaft penetrates through the limiting grooves in sequence and is fixedly connected with the bottoms of the male dies, two ends of the connecting shaft penetrate out of the lower die holder, the two fixing seats are respectively and fixedly arranged at two ends of the connecting shaft, the output ends of the two third telescopic driving pieces are respectively hinged with the two fixing seats, the fixed seat is used for driving the fixed seat to move up and down between a first position and a second position so as to change the size of the cavity on the male die for placing the mixed material, and the fixed seat can be driven to move between a third position and a fourth position so as to drive the male die to rotate and unload the brake pad hot-pressed on the male die.
Furthermore, two support rods are fixedly mounted on the lower die base, a support plate is fixedly mounted at the tops of the two support rods, the second telescopic driving piece is fixedly mounted on the support plate, and the upper die base is slidably sleeved on the two support rods.
Compared with the prior art, the invention has the beneficial effects that: pouring the mixture into the cavity, and through controlling first flexible driving piece, make first flexible driving piece drive scrape the material piece and remove, thereby scrape the material to the upper end of the mixture in the cavity, and make the mixture of scraping discharge from leading to the groove, because the lower cambered surface of scraping the material piece is the same with the last cambered surface of terrace die, and then make the arc curvature of the upper end of the mixture after being scraped the same with the arc curvature of mixture lower extreme, thereby make the thickness homogeneous phase in each place of the mixture in the cavity, the rethread controls second flexible driving piece, make the flexible driving piece drive upper die base of second remove, so that the die gets into the cavity, and carry out the hot pressing to the mixture with the terrace die is mutually supported, further make the density homogeneous phase in each place of the brake block that the hot pressing came out, make the closely knit degree of whole brake block even, the life of brake block has been guaranteed.
Drawings
FIG. 1 is a schematic perspective view of a hot press forming mold for a drum brake pad according to the present invention;
FIG. 2 is a sectional view of a hot press molding die for a drum brake lining of FIG. 1;
FIG. 3 is a schematic structural view of a hot press forming die for a drum brake pad of FIG. 2;
fig. 4 is a sectional view of fig. 2 with the scraper mechanism omitted.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides a drum brake pad hot-press forming die, which is structurally shown in figures 1-4 and comprises a lower die holder 1, a scraping mechanism 2, an upper die holder 3 and a second telescopic driving piece 4, wherein at least one die cavity 11 is formed in the lower die holder 1, a male die 12 is arranged in the die cavity 11, the male die 12 is provided with an upper arc surface for placing a mixed material, and a placing groove 111 and a through groove 112 are formed in the cavity wall of the die cavity 11; the scraping mechanism 2 comprises at least one scraping block 21 and a first telescopic driving element 22, the scraping block 21 is arranged in the placing groove 111, the scraping block 21 has a lower arc surface with the same shape as the upper arc surface, and the first telescopic driving element 22 is connected with the scraping block 21 and is used for driving the scraping block 21 to move in the cavity 11; the upper die holder 3 is arranged right above the lower die holder 1, at least one female die 31 is fixedly arranged on the upper die holder 3, and the female dies 31 correspond to the male dies 12 one by one; the output end of the second telescopic driving piece 4 is fixedly connected with the upper die base 3 and used for driving the upper die base 3 to move.
Pouring the mixture into the cavity 11, and controlling the first telescopic driving member 22 to drive the scraping block 21 to move, so as to scrape the upper end of the mixture in the cavity 11, and discharge the scraped mixture from the through groove 112, because the lower arc surface of the scraping block 21 is the same as the upper arc surface of the punch 12, the arc curvature of the upper end of the scraped mixture is the same as the arc curvature of the lower end of the mixture, so that the thicknesses of the mixture in each place of the cavity 11 are the same, and controlling the second telescopic driving member 4 to drive the upper die base 3 to move, so that the female die 31 enters the cavity 11 and is mutually matched with the punch 12 to carry out hot pressing on the mixture, further, the densities of the hot-pressed brake pad in each place are the same, the compactness of the whole brake pad is uniform, and the service life of the brake pad is ensured.
As a preferred embodiment, referring to fig. 1, there are a plurality of cavities 11, and a plurality of cavities 11 are arranged side by side, and a plurality of cavities 11 are provided, which is beneficial to improving the hot-pressing efficiency.
As a preferred embodiment, referring to fig. 1-2, a material collecting bin 13 is disposed on the lower die base 1, the material collecting bin 13 is located at the bottom of the plurality of cavities 11, the material collecting bin 13 is provided with a switch door 131, the material scraped off at the upper end of the mixture finally enters the material collecting bin 13, the switch door 131 is opened at intervals to clean the material in the material collecting bin 13, and the cleaned mixture can be poured into the cavities 11 again for reuse.
As a preferred embodiment, referring to fig. 3, a discharge channel 113 is further formed on each of the cavity walls of the cavities 11, an upper end of the discharge channel 113 is communicated with the through groove 112, a lower end of the discharge channel 113 is communicated with the aggregate bin 13, and a scraped portion of the upper end of the mixture enters the aggregate bin 13 along the discharge channel 113.
As a preferred embodiment, referring to fig. 3, the number of the scraper blocks 21 is one more than that of the cavities 11, the scraper blocks 21 are respectively disposed in the placement groove 111 and the through grooves 112 so that an outermost one of the scraper blocks 21 can seal an outermost one of the through grooves 112, and a plurality of the scraper blocks 21 are connected by two fixing rods 23 so that a plurality of the scraper blocks 21 form a whole.
As a preferred embodiment, referring to fig. 4, the lower die holder 1 is provided with two sliding grooves 14, the two sliding grooves 14 are oppositely provided and located in the cavity 11, the placing groove 111 and the through groove 112, and the two fixing rods 23 are respectively connected in the sliding grooves 14 in a sliding manner, so as to improve the stability of the scraper blocks 21 in the moving process.
As a preferred embodiment, referring to fig. 1, a plurality of goods outlets 15 are further formed in the lower die base 1, the plurality of goods outlets 15 are respectively communicated with the cavities 11, and the brake pads that are formed by hot pressing in the cavities 11 are respectively discharged from the corresponding goods outlets 15.
As a preferred embodiment, referring to fig. 2, the cavity walls of the cavities 11 are further respectively provided with one-to-one corresponding limiting grooves 114, the limiting grooves 114 are polygonal-line-shaped grooves, and when the connecting shaft 51 moves to a polygonal-line corner, the connecting shaft 51 continues to move, so that the male die 12 is limited by the cavity walls of the cavities 11 and the connecting shaft 51 to rotate, and blanking is performed.
As a preferred embodiment, referring to fig. 2 to 4, the drum brake pad hot press forming mold further includes a driving mechanism 5, the driving mechanism 5 includes a connecting shaft 51, two fixing seats 52 and two third telescopic driving members 53, the connecting shaft 51 sequentially passes through each of the limiting grooves 114 and is fixedly connected to the bottom of each of the male dies 12, two ends of the connecting shaft 51 penetrate out of the lower die holder 1, the two fixing seats 52 are respectively and fixedly mounted at two ends of the connecting shaft 51, output ends of the two third telescopic driving members 53 are respectively hinged to the two fixing seats 52, and are used for driving the fixing seats 52 to move up and down between a first position and a second position to change the size of the cavity 11 on the male die 12 for placing a mixture, and driving the fixing seats 52 to move between a third position and a fourth position, The brake pad hot-press formed on the punch 12 is unloaded by driving the punch 12 to rotate, the actions of the two third telescopic driving pieces 53 are synchronous, the third telescopic driving pieces 53 are controlled to drive the fixing seats 52 to move, so that the connecting shaft 51 is driven to move in the limiting groove 114, the punch 12 is driven to move in the cavity 11 by the connecting shaft 51, when the connecting shaft 51 moves from the first position to the second position, the punch 12 moves up and down in the cavity 11, the size of the cavity 11 used for placing the mixture on the punch 12 can be changed, brake pads with different thicknesses can be hot-pressed, the connecting shaft 51 continues to move in the limiting groove 114 until the connecting shaft moves to a broken line corner of the limiting groove 114, namely a third position, at this time, the male die 12 continues to move downwards in the cavity 11, and when the connecting shaft 51 moves from the third position to the fourth position, the male die 12 is enabled to rotate under the action of the cavity wall of the cavity 11 and the limitation of the connecting shaft 51 by the limiting groove 114, so that the brake pad hot-formed on the male die 12 is discharged from the goods outlet 15.
As a preferred embodiment, referring to fig. 1, two support rods 16 are fixedly mounted on the lower die holder 1, a support plate 17 is fixedly mounted at the top of each of the two support rods 16, the second telescopic driving member 4 is fixedly mounted on the support plate 17, the upper die holder 3 is slidably sleeved on the two support rods 16, and the second telescopic driving member 4 can drive the lower die holder 1 to move up and down along the support rods 16 by operating the second telescopic driving member 4.
In a preferred embodiment, the first telescopic driving member 22 is a first cylinder, the second telescopic driving member 4 is a second cylinder, and the third telescopic driving member 53 is a third cylinder.
For a better understanding of the present invention, the working principle of the technical solution of the present invention is explained in detail below with reference to fig. 1 to 4:
when the brake pad is hot-pressed, the size of the cavity 11 for placing the mixed material on the male die 12 is adjusted in advance according to the thickness of the brake pad to be hot-pressed, the third telescopic driving piece 53 is controlled to drive the fixing seat 52 to move, so that the connecting shaft 51 is driven to move in the limiting groove 114, the male die 12 is driven to move in the cavity 11 through the connecting shaft 51, when the connecting shaft 51 moves from the first position to the second position, the male die 12 moves up and down in the cavity 11, the size of the cavity 11 for placing the mixed material on the male die 12 can be changed, so that the brake pads with different thicknesses can be hot-pressed, the mixed material is poured into the cavity 11, and the first telescopic driving piece 22 is controlled to drive the scraper block 21 to move, therefore, the upper end of the mixture in the cavity 11 is scraped, the scraped mixture enters the collecting bin 13 along the discharge channel 113, the switch door 131 is opened at intervals to clean the mixture in the collecting bin 13, the cleaned mixture can be poured into the cavity 11 again for reuse, resources are saved, the thickness of each place of the mixture in the cavity 11 is the same as the thickness of the upper arc surface of the male die 12 due to the fact that the lower arc surface of the scraping block 21 is the same as the upper arc surface of the male die, the arc curvature of the upper end of the scraped mixture is the same as the arc curvature of the lower end of the mixture, and the second telescopic driving piece 4 is controlled to drive the upper die base 3 to move so that the female die 31 enters the cavity 11, the punch 12 and the punch 12 are matched with each other to carry out hot pressing on the mixture, the density of the brake pad subjected to hot pressing at each place is further made to be the same, the compactness of the whole brake pad is uniform, the service life of the brake pad is ensured, the third telescopic driving piece 53 is controlled to drive the connecting shaft 51 to continuously move in the limiting groove 114 until the connecting shaft 51 moves to a corner of a broken line of the limiting groove 114, namely a third position, at the moment, the punch 12 continuously moves downwards in the cavity 11, and when the connecting shaft 51 moves from the third position to a fourth position, the punch 12 can rotate under the action of the cavity wall of the cavity 11 and the limitation of the connecting shaft 51 by the limiting groove 114, so that the brake pad subjected to hot pressing on the punch 12 is discharged from the goods outlet 15, and finishing the hot press molding process of the whole brake pad.
The hot-press forming die for the drum brake pad provided by the invention has the following beneficial effects:
(1) when the brake pad is hot-pressed, the size of the cavity 11 for placing the mixture on the male die 12 is adjusted in advance according to the thickness of the brake pad to be hot-pressed, the third telescopic driving piece 53 is controlled to drive the fixing seat 52 to move, so that the connecting shaft 51 is driven to move in the limiting groove 114, the male die 12 is driven to move in the cavity 11 through the connecting shaft 51, and when the connecting shaft 51 moves from the first position to the second position, the male die 12 moves up and down in the cavity 11, so that the size of the cavity 11 for placing the mixture on the male die 12 can be changed, and the brake pad with different thicknesses can be hot-pressed;
(2) pouring the mixture into the cavity 11, and controlling the first telescopic driving member 22 to drive the scraping block 21 to move, so as to scrape the upper end of the mixture in the cavity 11, and enable the scraped mixture to enter the collecting bin 13 along the discharge channel 113, opening the switch door 131 to clean the material in the collecting bin 13 at intervals, and the cleaned mixture can be poured into the cavity 11 again for reuse, which is beneficial to saving resources, because the lower arc surface of the scraping block 21 is the same as the upper arc surface of the male die 12, the arc curvature of the upper end of the scraped mixture is the same as the arc curvature of the lower end of the mixture, so that the thicknesses of the mixture in the cavity 11 are the same at all places, then, the second telescopic driving piece 4 is controlled to drive the upper die base 3 to move so that the female die 31 enters the cavity 11 and is matched with the male die 12 to carry out hot pressing on the mixture, the density of each part of the hot-pressed brake pad is further the same, the compactness of the whole brake pad is uniform, and the service life of the brake pad is ensured;
(3) through controlling the third telescopic driving member 53, the third telescopic driving member 53 drives the connecting shaft 51 to continuously move in the limiting groove 114 until the connecting shaft 51 moves to a third position which is a corner of a broken line of the limiting groove 114, at this time, the male die 12 continuously moves downwards in the cavity 11, and when the connecting shaft 51 moves from the third position to the fourth position, the male die 12 can rotate under the action of the cavity wall of the cavity 11 and the limitation of the connecting shaft 51 by the limiting groove 114, so that the brake pad hot-formed on the male die 12 is discharged from the goods outlet 15, and the hot-press forming process of the whole brake pad is completed.
The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a drum brake piece hot briquetting mould which characterized in that includes:
the lower die base is provided with at least one die cavity, a male die is arranged in the die cavity and provided with an upper cambered surface for placing a mixture, and a placing groove and a through groove are formed in the cavity wall of the die cavity;
the scraping mechanism comprises at least one scraping block and a first telescopic driving piece, the scraping block is arranged in the placing groove, the scraping block is provided with a lower arc surface which is the same as the upper arc surface in shape, and the first telescopic driving piece is connected with the scraping block and used for driving the scraping block to move in the cavity;
the upper die holder is arranged right above the lower die holder, at least one female die is fixedly arranged on the upper die holder, and the female dies correspond to the male dies one by one;
and the output end of the second telescopic driving piece is fixedly connected with the upper die base and used for driving the upper die base to move.
2. A drum brake assembly according to claim 1, wherein said plurality of cavities are arranged side by side.
3. The drum brake pad hot press molding die of claim 2, wherein a material collecting bin is formed in the lower die holder and is located at the bottom of the plurality of cavities.
4. The drum brake pad hot press molding die of claim 3, wherein a discharge passage is further formed on each cavity wall of the plurality of cavities, the upper end of the discharge passage is communicated with the through groove, and the lower end of the discharge passage is communicated with the material collecting bin.
5. The drum brake pad thermoforming mold of claim 4, characterized in that, the number of the scraping blocks is one more than the number of the cavities, the scraping blocks are respectively disposed in the placing groove and the through groove, and a plurality of the scraping blocks are connected by two fixing rods.
6. The drum brake pad hot press molding die of claim 5, wherein the lower die base is provided with two sliding grooves, the two sliding grooves are oppositely formed and located in the cavity, the placing groove and the through groove, and the two fixing rods are respectively connected in the sliding grooves in a sliding manner.
7. The drum brake pad hot press forming die of claim 6, wherein the lower die base is further provided with a plurality of goods outlets, and the goods outlets are respectively communicated with the cavities.
8. A drum brake pad hot-pressing forming die as claimed in claim 7, wherein the cavity walls of a plurality of the cavities are respectively provided with a one-to-one corresponding limiting groove, and the limiting groove is a polygonal line type groove.
9. A drum brake pad thermoforming mold as claimed in claim 8, further comprising a drive mechanism, the driving mechanism comprises a connecting shaft, two fixing seats and two third telescopic driving pieces, the connecting shaft sequentially penetrates through the limiting grooves and is fixedly connected with the bottoms of the convex dies, two ends of the connecting shaft penetrate out of the lower die holder, the two fixing seats are respectively and fixedly arranged at two ends of the connecting shaft, the output ends of the two third telescopic driving pieces are respectively hinged with the two fixing seats, the fixed seat is used for driving the fixed seat to move up and down between a first position and a second position so as to change the size of the cavity on the male die for placing the mixed material, and the fixed seat can be driven to move between a third position and a fourth position so as to drive the male die to rotate and unload the brake pad hot-pressed on the male die.
10. The drum brake pad thermoforming mold as claimed in claim 1, wherein two support rods are fixedly mounted on the lower mold base, a support plate is fixedly mounted on top of the two support rods, the second telescopic driving member is fixedly mounted on the support plate, and the upper mold base is slidably sleeved on the two support rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210598310.2A CN114889028B (en) | 2022-05-30 | 2022-05-30 | Drum brake block hot briquetting mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210598310.2A CN114889028B (en) | 2022-05-30 | 2022-05-30 | Drum brake block hot briquetting mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114889028A true CN114889028A (en) | 2022-08-12 |
| CN114889028B CN114889028B (en) | 2024-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210598310.2A Active CN114889028B (en) | 2022-05-30 | 2022-05-30 | Drum brake block hot briquetting mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114889028B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116038972A (en) * | 2022-11-17 | 2023-05-02 | 南通海利特橡塑机械有限公司 | Automatic roller friction plate molding press |
| CN117087140A (en) * | 2023-10-20 | 2023-11-21 | 江苏方意汽车配件制造股份有限公司 | Hot press forming device of drum brake block |
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| GB1413130A (en) * | 1972-01-17 | 1975-11-05 | Abex Corp | Manufacture of friction elements |
| US5037287A (en) * | 1987-06-15 | 1991-08-06 | Akira Hirai | Pressure molding means for powder |
| JP2005041004A (en) * | 2003-07-23 | 2005-02-17 | Nissin Kogyo Co Ltd | Temporary mold for shoe lining |
| US20100310695A1 (en) * | 2009-06-03 | 2010-12-09 | Keystone Retaining Wall Systems, Inc. | Floating cut-off bar and method of use thereof |
| CN110667023A (en) * | 2019-11-07 | 2020-01-10 | 长兴永润机械有限公司 | Hot-pressing forming die for drum brake pad |
| CN110733197A (en) * | 2019-11-28 | 2020-01-31 | 湖北文理学院 | Feeding device of drum brake pad hot-pressing forming die |
| CN214820225U (en) * | 2021-06-08 | 2021-11-23 | 福建思嘉新材料科技有限公司 | A molding device for floor processing |
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2022
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116038972A (en) * | 2022-11-17 | 2023-05-02 | 南通海利特橡塑机械有限公司 | Automatic roller friction plate molding press |
| CN116038972B (en) * | 2022-11-17 | 2023-10-20 | 南通海利特橡塑机械有限公司 | Automatic roller friction plate molding press |
| CN117087140A (en) * | 2023-10-20 | 2023-11-21 | 江苏方意汽车配件制造股份有限公司 | Hot press forming device of drum brake block |
| CN117087140B (en) * | 2023-10-20 | 2024-01-26 | 江苏方意汽车配件制造股份有限公司 | Hot press forming device of drum brake block |
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| Publication number | Publication date |
|---|---|
| CN114889028B (en) | 2024-04-16 |
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