CN110834437B - Full-automatic hot-pressing forming device for drum brake pad - Google Patents
Full-automatic hot-pressing forming device for drum brake pad Download PDFInfo
- Publication number
- CN110834437B CN110834437B CN201911188328.XA CN201911188328A CN110834437B CN 110834437 B CN110834437 B CN 110834437B CN 201911188328 A CN201911188328 A CN 201911188328A CN 110834437 B CN110834437 B CN 110834437B
- Authority
- CN
- China
- Prior art keywords
- plate
- hot press
- clamping
- push plate
- push
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/02—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space
- B30B11/04—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space co-operating with a fixed mould
- B30B11/06—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space co-operating with a fixed mould each charge of the material being compressed against the previously formed body
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/30—Feeding material to presses
- B30B15/302—Feeding material in particulate or plastic state to moulding presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/32—Discharging presses
Abstract
The invention discloses a full-automatic hot-pressing forming device for a drum brake pad, which comprises a hot press, a pushing device, a feeding device and a partition filling device, wherein the hot press is used for pressing the brake pad; the push-out device comprises a dragging plate which can be moved out of or into a space between the lower die seat and the base of the hot press and a push plate which can move along the movement direction of the dragging plate and can rotate; the feeding device sprays a release agent, puts powder and scrapes the powder into the cavity of the lower die holder; the clapboard filling device can clamp the clapboard to move from the dragging plate and fill the clapboard into a lower die base cavity of the opened die; and when the mould on the hot press is closed, the filled powder is pressed and formed. The automatic loading and loading device can automatically load and load the partition plates into the die, automatically take down the brake pads after hot press molding, and repeat automatic loading and loading of the partition plates, and the whole process can be automated.
Description
Technical Field
The invention relates to a full-automatic hot-press forming device for a drum brake pad, and belongs to the technical field of machinery.
Background
In the hot press forming process of the drum brake pad, a plurality of processes are needed, including filling the partition plates into a mold, feeding, hot press forming, then lowering the brake pad, reloading the partition plates and the like. At present, most procedures are manually operated, the labor cost is high, the production efficiency is low, workers work in a high-temperature and high-dust environment, and the working environment is severe. On the other hand, the manual filling of the partition plates is adopted, and gaps between the partition plates and the periphery of the mold cavity are large, so that the drum brake pad is low in forming precision, and the subsequent processing amount is increased.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a full-automatic hot-press molding device for drum brake pads, which can realize automatic feeding and automatic filling of a partition plate into a mold, automatic removal of the brake pads after hot-press molding and repeated automatic filling of the partition plate, and can realize automation in the whole process.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a full-automatic hot-press molding device for drum brake pads is characterized by comprising a hot press, a pushing device, a feeding device and a partition filling device;
the push-out device comprises a dragging plate which can be moved out of or into a space between the lower die seat and the base of the hot press and a push plate which can move along the movement direction of the dragging plate and can rotate;
when the dragging plate is moved out, the dragging plate is loaded with a partition plate and a brake pad which is formed on the partition plate in a pressing mode; the push plate can push the brake pad out of the partition plate;
the feeding device feeds powder into the cavity of the lower die base filled with the partition plate;
the clapboard can be clamped by a clapboard loading device and moved from the planker to be loaded into a lower die base cavity of the opened die;
and when the die on the hot press is closed, the filled powder is pressed and molded.
Further, the feeding device comprises a plurality of movable hoppers; the bottom of each hopper is hinged with two material doors;
on the side of each hopper facing the hot press, a vertically movable arcuate scraper and a plurality of nozzles connectable to a release agent pump are mounted.
Furthermore, each bin gate is hinged on the hopper through a hinged shaft, one end of the hinged shaft is provided with a bin gate swing rod with an elongated slot, and the bin gate swing rod and the door surface of the bin gate form a set fixed angle;
two ends of a bin gate connecting rod which can be driven by a bin gate opening and closing cylinder to move vertically are respectively inserted into the elongated slots of the bin gate oscillating bars on the two bin gates at the bottom of the same hopper to form sliding connection.
Further, when the hopper moves to the initial boundary of the lower die base cavity, the nozzle triggers and starts a first travel switch of the release agent pump; and when the hopper moves to the position that the nozzle reaches the tail end boundary of the lower die base cavity, a second travel switch for closing the release agent pump is triggered.
Furthermore, a plurality of sliding strips moving along the direction of the carriage are arranged on the carriage, and notches capable of accommodating the partition plates in a matched mode are arranged among the sliding strips on the same axis.
Further, the push plate is rotatably arranged on a push plate bracket supported by the push-out frame body; the push plate bracket reciprocates along the motion direction of the carriage;
a convex block is fixedly arranged at one end of the push-out frame body close to the hot press, is positioned on the side surface of the carriage and can be contacted with a push plate on a push plate bracket which slides through the position, and pushes the push plate to rotate and lift around the push plate bracket;
and the push plate support is also provided with a pin shaft, and the pin shaft limits the rotation angle of the push plate separated from the bump.
Further, the clapboard filling device comprises a lifting clamping device and two groups of four-bar mechanisms for supporting the lifting clamping device; the lifting clamping device is driven by two groups of four-bar mechanisms to reciprocate between a dragging plate moved out of the hot press and an inlet of a die cavity of the lower die holder.
Furthermore, each group of four-bar linkage mechanism comprises a driven swing rod hinged on the hot press base, a driving swing rod hinged on the hot press base and capable of actively rotating, and a connecting rod for connecting the driven swing rod and the driving swing rod.
Furthermore, the two groups of four-bar mechanisms are symmetrically arranged on two sides of the pushing device; and the two connecting rods in the two groups simultaneously support and fix the lifting clamping device.
Furthermore, the lifting clamping device comprises two parallel guide rods which can vertically move relative to the four-bar linkage, a plurality of paired clamping plates are connected on the two guide rods in a sliding manner, one of the clamping plates in each pair is driven by a first clamping cylinder to move simultaneously, and the other clamping plate in each pair is driven by a second clamping cylinder to move simultaneously; the two clamping cylinders drive each pair of clamping plates to axially move along the guide rod, and the two clamping plates in each pair of clamping plates move oppositely or in different directions.
The invention achieves the following beneficial effects:
the invention provides a full-automatic hot-press forming device for drum brake pads, which can realize automatic feeding and automatic filling of a partition plate into a die, automatic removal of the brake pads after hot-press forming and repeated automatic filling of the partition plate, and can realize automation in the whole process. The feeding device integrates the functions of spraying the release agent, feeding and strickling, and automatically finishes the work of spraying, feeding and strickling. The clapboard filling device is accurate in positioning, and the clapboard can be filled into the cavity of the lower die holder under a small gap.
Drawings
FIG. 1 is a schematic overall structure diagram of a full-automatic hot press molding apparatus for drum brake pads according to the present embodiment;
FIG. 2 is a schematic view of the charging device of the present embodiment;
FIG. 3 is a front view of the loading unit of FIG. 2 in a loading state;
FIG. 4 is a schematic view of the pushing device of the present embodiment (with one of the partition plates and the brake pad hidden);
FIG. 5 is a schematic view of a bump of the ejector according to the present embodiment;
FIG. 6 is a front view showing a clamped state of the diaphragm filling device of the present embodiment at the blanking position;
FIG. 7 is a schematic view of the elevator gripping apparatus of the present embodiment;
fig. 8 is a partial enlarged view of the lifting clamp C of fig. 7;
FIG. 9 is a front view (with front side link hidden) of the diaphragm charging device of the present embodiment in a charged state;
fig. 10 is an enlarged view of a portion of the spacer loading device of fig. 9 at D.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
(1) The overall scheme is as follows: as shown in fig. 1, the full-automatic hot press molding device for drum brakes of this embodiment includes a hot press 1, a feeding system 2, a feeding device 3, a pushing device 4, and a spacer filling device 5.
The hot press 1 adopts a conventional hot press and comprises an upper template 101 and a lower die holder 103 which are matched with each other; an upper mold core 102 is arranged at a corresponding position of the upper mold plate 101 facing the cavity of the lower mold base 103.
The feeding system 2 comprises a powder box 202 supported by a feeding frame body 201; the weighing device 203 can weigh the powder in the powder box 202 and put the weighed powder into the hopper of the feeding device 3 through the transition hopper 204.
The drum brake hot press molding process comprises the following steps:
an upper template 101 of the hot press 1 drives an upper mold core 102 to move upwards, and the mold is opened; the lower die holder 103 moves upwards for a certain distance (slightly larger than the thickness of the layer of partition plate plus the layer of brake block) to provide a push-out space for the push-out device 4.
The carriage in the pushing device 4 carries a layer of the clapboard at the lowest part in the hot press 1 and pushes out the clapboard and a layer of the pressed brake block together, and the pressed brake block is taken away. Meanwhile, other multilayer partition plates and multilayer brake pads in the hot press 1 correspondingly move downwards by one layer, and are continuously remained in the hot press 1 for circulating heat preservation and pressure preservation until the set heat preservation and pressure preservation time is reached, and the hot press is pushed downwards to the lowest layer and can be carried out along with the carriage.
The feeding system 2 supplies a set weight of powder to the feeding device 3.
The feeding device 3 sprays a release agent into the cavity of the lower die base 103 of the hot press, and powder is put into the cavity and is strickled off.
The clapboard filling device 5 fills the pushed layer of clapboard into the uppermost layer in the cavity of the lower die holder 103.
An upper die plate 101 of the hot press 1 drives an upper die core 102 to move downwards to enter a die cavity of a lower die holder 103, the die is closed, powder which is just added is pressed and formed into a brake pad, and meanwhile, heat preservation and pressure maintaining are carried out on other layers of partition plates and the brake pad at the lower part in the hot press 1.
And when the brake pad on the lowest layer can be taken out, the processes of opening the mould, pushing the partition plate and the brake pad out, feeding, filling the partition plate, performing compression molding, and maintaining the temperature and pressure are repeated in a circulating manner.
(2) Feeding device 3: the three functions of spraying the release agent, feeding and strickling are integrated into a whole, the position of the release agent is controlled by a feed screw and nut mechanism, and the structure is simple, as shown in figures 2 and 3. Hopper 310 is together fixed through a plurality of connecting plates 309, the quantity of hopper is unanimous with mould cavity quantity, the position corresponds from top to bottom with mould cavity, a bottom plate 306 that a level of hopper 310 bottom fixed connection was placed, it is empty to correspond hopper 310 bottom on the bottom plate 306, two bin gates 314 are installed to every hopper bottom symmetry, fixedly connected with pivot 317 on the bin gate 314, bin gate 314 is hinged joint through pivot and bottom plate 306, the one end fixedly connected with of pivot takes the bin gate pendulum rod 313 of waist type groove, the bin gate pendulum rod becomes a settlement angle with the gate surface of bin gate, make bin gate 314 be in the closed condition when initial position bin gate pendulum rod 313, set up to about 40 degrees in this embodiment. The hopper is fixedly connected with a lug 318, a cylinder body of a material door opening and closing cylinder 315 is fixed on the lug 318, a piston rod of the material door opening and closing cylinder 315 is fixedly connected with a material door connecting rod 316, and pin shafts at two ends of the material door connecting rod 316 are respectively inserted into waist-shaped grooves of two material door swing rods 313 on the same material door 314 to form sliding connection.
When the material door opening and closing cylinder 315 drives the material door connecting rod 316 to move downwards, the material door connecting rod 316 slides along the waist-shaped groove of the material door swing rod 313 to force the material door swing rod 313 to drive the rotating shaft to rotate, so that the material door 314 where the rotating shaft is located rotates, and the material door 314 is opened downwards to realize discharging.
The middle position of hopper bottom is vertically set up a taper plate 319, its effect: firstly, the material door is attached to the conical plate when closed, so that leakage of materials at the joint of the two doors is avoided; secondly, when the powder falls by the dead weight, the central part falls fast, and after the powder falls into the die cavity, the central part is piled up highly, and the phenomenon that the powder is gentle after the conical plate is arranged.
On the side of each hopper facing the hot press are mounted a plurality of nozzles 320, the nozzles 320 being connected together by conduits 307 and to a release agent pump system. A cylinder body of a strickling rodless cylinder 311 is fixedly arranged at any position between all the hoppers which are arranged in parallel and face the hot press, and an arc-shaped scraper 312 corresponding to the outer arc surface of the brake pad is fixedly connected to the sliding table of the rodless cylinder 311. The arc-shaped scrapers 312 are disposed facing downward in correspondence with the outer arc surfaces of the brake pads.
The working process of the feeding device is as follows:
when receiving a feeding instruction, the servo motor 304 drives the hopper to move towards the direction of the hot press through the feed screw nut mechanism, one side of each mold cavity facing the feeding device 2 is provided with a travel switch capable of starting the release agent pump to work, and the other opposite side is provided with another travel switch capable of correspondingly closing the release agent pump. When the hoppers move to one side position of the mold cavities which can be in up-down correspondence with the hoppers one by one, the travel switches (not shown in the figure) at the position are triggered, the release agent pump is started to work, the nozzles spray the release agent towards the mold cavities, when the hoppers move to the position which is completely in up-down correspondence with the corresponding mold cavities one by one, the other travel switches at the other side of the mold cavities are triggered, the release agent pump stops working, and the nozzles stop spraying.
At this time, the servo motor 304 stops working, meanwhile, the piston rod of the material door opening and closing cylinder 315 moves downwards, the material door is opened through the connecting rod mechanism, the powder falls into the mold cavity, the piston rod resets after the time delay, and the material door 314 is closed.
Then the servo motor 304 works to drive the hopper to move a set distance towards different directions of the hot press, so that the arc-shaped scraper 312 moves to the middle position of the corresponding mold cavity, and the sliding table of the rodless cylinder 311 drives the arc-shaped scraper 312 to move a set depth towards the mold cavity, so that the arc-shaped scraper 312 can be in contact with powder in the mold cavity. The servo motor 304 drives the hopper to move towards the direction of the hot press again to drive the arc-shaped scraper 312 to move to the boundary in the mold cavity for scraping the powder, and the servo motor 304 drives the hopper to move towards the different direction of the hot press again to drive the arc-shaped scraper 312 to move to the other boundary in the mold cavity for scraping the powder. Then, the sliding table of the rodless cylinder 311 is reset upwards, and the arc-shaped scraper 312 is driven to move out of the mold cavity for resetting. The servo motor 304 continues to drive the hopper to move towards different directions of the hot press to return to the initial feeding position for re-weighing and loading the powder, so that the spraying, loading and strickling work is automatically completed.
(3) The pushing-out device 4: referring to fig. 4, the pushing device 4 includes a carriage 403 that can be driven by a first rodless cylinder 402 to move out of or into the space between the lower die holder 103 and the hot press base 104, the carriage 403 is fixedly connected with a plurality of slide bars 404 that move along the movement direction of the carriage 403, the distance of the notches 405 between the plurality of slide bars 404 in the same axial direction is equal, and the length of the notch is matched with the brake pad 410 and the partition 411 for clamping the partition 411 and the brake pad 410 pressed above the partition 411. Each slide bar is gradually raised from the hot press to the pushing direction (namely, the right end in the direction of the drawing is slightly lower than the partition 411, and the left end in the direction of the drawing is slightly higher than the partition 411) so as to ensure that the brake pad 410 can be smoothly pushed out from the slide bar 404 without being blocked by the slide bar 404, and the partition 411 is blocked by the slide bar without being pushed out. When the carriage 403 is moved between the lower die holder 103 and the hot press base 104, the slit 405 between the slides corresponds to receive the spacer 411 inserted through the mold cavity by the spacer loading device 5. The two sides of the carriage are fixedly connected with the sliding blocks of the linear guide rail 412, the linear guide rail 412 is fixed on the push-out frame body 401, the first rodless cylinder 402 is installed in the middle of the push-out frame body 401, and the sliding table of the first rodless cylinder 402 is fixedly connected with one end of the carriage 403.
A push plate bracket 408 spanning over the movement space of the carriage 403 is slidably disposed on the push-out frame 401 to avoid interference with the movement of the carriage 403. Two ends of the push plate bracket 408 are respectively and correspondingly installed on the sliding tables of the two second rodless cylinders 406, and the two second rodless cylinders 406 are fixed on the push-out frame body 401. The push plate holder 408 is driven by a second rodless cylinder 406 to reciprocate in the same direction as the carriage slides. Two push plates 409 are hinged on the push plate bracket 408. As shown in fig. 5, two protrusions 407 are fixedly disposed at one end of the push-out frame 401 close to the hot press base 104, the protrusions 407 are respectively located at two sides of the carriage 403 to avoid interference with the movement of the carriage 403, and the protrusions 407 can contact with a push plate 409 on a push plate support 408 sliding through the position, so as to push the push plate 409 to rotate around the push plate support 408. The push plate bracket 408 is further provided with a pin shaft 40801 for limiting the rotation angle of the push plate 409 after the push plate 409 is separated from the bump, when the push plate 409 is moved to the vertical position under the action of gravity when the push plate bracket 401 moves towards the direction (namely the push direction) different from that of the hot press base 104 to enable the push plate 409 to be separated from the bump 407, the push plate 409 is limited at the vertical position by the pin shaft 40801, and when the push plate 409 is kept at the vertical position, the bottom of the push plate 409 is lower than the brake pad 410 on the carriage 403 and higher than the partition 411, so that the push plate can be contacted with the brake pad to push.
When the push plate bracket 408 is driven by the second rodless cylinder 406 to move towards the direction of the hot press base 104 until the push plate 409 contacts the bump 407, the bump enables the push plate to rotate until the plane of the push plate 409 is in a horizontal state like a cam mechanism, so that the yielding function is realized, and the interference of the push plate 409 on the movement space of the lower planker 403 is avoided; when the push plate bracket 408 moves towards the push-out direction, the push plate 409 swings downwards under the action of gravity after being separated from the protrusion 407, and when the push plate swings to the vertical position, the push plate is stopped by the pin 40801 fixed on the push plate bracket 408 and does not rotate any more, so that the push plate bracket 408 is kept at the vertical position and can be in contact with the brake pad to push the brake pad to move towards the push-out direction.
The push-out device 4 works:
when a pressing cycle is completed, the lower die holder 103 rises, the first rodless cylinder 402 drives the carriage 403 to move out of a gap space between the lower die holder 103 and the hot press base 104, and the carriage moves in the pushing direction until the partition 411 and the brake pad 410 are all moved to a blanking position for unloading the press-formed brake pad along with the carriage 403. Then the second rodless cylinder 406 drives the push plate bracket 408 to drive the push plate 409 to move towards the pushing-out direction from the initial position, when the push plate 409 is separated from the bump 407, the push plate 409 rotates downwards to the vertical position and contacts with the pin 40801, the push plate 409 cannot rotate continuously, and the vertical push plate 409 pushes the brake pad 410 to move towards the pushing-out direction to the conveying line.
After the separator 411 on the carriage 403 at the blanking position is clamped and taken away by the separator filling device 5, the empty carriage 403 is driven by the first rodless cylinder 402 to move into the space between the lower die holder 103 and the hot press base 104 again. At the same time or subsequently, the second rodless cylinder 406 drives the push plate support 408 to drive the push plate 409 to move towards the direction of the hot press base 104 until the push plate 409 contacts the bump 407, the bump 407 blocks the push plate 409, so that the push plate 409 rotates until the push plate 409 is lifted to be in a horizontal state, the push plate support 408 resets to an initial position, and a space is provided for moving the push plate 403 out of the mold again.
After the vacant carriage 403 is moved into the space between the lower die holder 103 and the hot press base 104, the lower die holder 103 is lowered to be closed with the hot press base 104. The clapboard loading device 5 can correspondingly load the clamped and taken clapboard 411 into the penetrating lower die holder 103.
(4) Separator filling device 5: referring to fig. 6, the spacer loading device is used to clamp all the spacers 411 on the planker 403 at the blanking position at a time, and move the spacers to a position right above the lower die base 103 to accurately load the spacers into the corresponding mold cavities.
The movement of the diaphragm filling device 5 is realized by a four-bar linkage. The fixing plate 501 is fixedly installed on the hot press base 104, a hinged support and a support plate are arranged on the fixing plate 501, and the servo motor 502 is installed on the support plate of the fixing plate 501. After being fixedly connected with the driving swing rod 505, the large synchronous pulley 504 is hinged with the hinged support of the fixed plate 501, and the servo motor 502 can drive the large synchronous pulley 504 to drive the driving swing rod 505 to rotate through a synchronous belt transmission 503. One end of the driven swing link 507 is also hinged with the other hinged support of the fixed plate 501, two ends of the connecting rod 506 are respectively hinged with the other ends of the driving swing link 505 and the driven swing link 507 to form a four-bar mechanism, the size of the four-bar mechanism is determined according to the four-bar mechanism design of two given connecting rod positions, and the driving swing link 505 and the connecting rod 506 are on a horizontal straight line in an initial clamping state. The four-bar linkage is two groups, which are respectively arranged at two sides of the pushing device 4, and the two connecting bars 506 are provided with lifting clamping devices 508.
As shown in fig. 7, the lifting and lowering clamp device 508 includes a lifting and lowering fixing plate 50806, a lifting and lowering cylinder 50805, a guide rod 50801, a first clamp cylinder 50810, a second clamp cylinder 50809, a linear guide 50802, and a pressing block 50807. Two ends of each connecting rod 506 are respectively fixed with two linear guide rails 50802, and two guide rods 50801 are respectively and fixedly connected with sliding blocks of the linear guide rails 50802 through pressing blocks 50807, so that the guide rods 50801 can vertically slide relative to the connecting rods 506 along the linear guide rails 50802, and lifting is realized. A lifting fixing plate 50806 is fixed between the two guide rods 50801, so that the lifting fixing plate 50806, the two guide rods 50801 and the pressing block 50807 form a fixed body, piston rods of the two lifting cylinders 50805 are correspondingly and fixedly connected with two ends of the lifting fixing plate 50806, a cylinder body of the lifting cylinder 50805 is fixedly connected with the connecting rod 506, and the lifting cylinder 50805 drives the guide rods 50801 to vertically slide along the linear guide 50802 relative to the connecting rod 506, so that the guide rods 50801 can be lifted.
The two guide rods 50801 are connected with a plurality of paired clamping plates in a sliding manner, and the number of pairs of the clamping plates is the same as the number of columns for clamping the partition plates between the same slide bars on the carriage. One of the clamping plates in each pair is driven by the same clamping cylinder to move simultaneously, the other clamping plate in each pair is driven by the other clamping cylinder to move simultaneously, the two clamping cylinders can drive the clamping plates to move axially along the guide rod, and the two clamping plates in each pair of clamping plates move oppositely or in different directions simultaneously. In this embodiment, two pairs of clamping plates are adopted, which are respectively a first clamping plate 50803, a second clamping plate 50804, a third clamping plate 50811 and a fourth clamping plate 50812, and two ends of each clamping plate are respectively connected with two guide rods 50801 in a sliding manner. The first clamping cylinder 50810 and the second clamping cylinder 50809 are both double-head cylinders, the cylinder bodies of the first clamping cylinder 50810 and the second clamping cylinder 50809 are both fixed on the lifting fixing plate 50806, both ends of a piston rod of the first clamping cylinder 50810 are respectively and fixedly connected with the first clamping plate 50803 and the third clamping plate 50811, both ends of a piston rod of the second clamping cylinder 50809 are respectively and fixedly connected with the second clamping plate 50804 and the fourth clamping plate 50812, and the clamping cylinders can drive the clamping plates to move axially along the guide rods, so that clamping or loosening actions are realized.
With reference to fig. 8, each end face of the partition 411 is provided with two cylindrical holes 41101, a conical boss 50814 matched with the cylindrical hole 41101 is arranged at a position corresponding to the partition 411 on each clamping plate, when the lifting clamping device 508 moves downwards and performs clamping action, the conical boss 50814 on the clamping plate is inserted into the corresponding cylindrical hole 41101 on the partition 411, so that the partition 411 can be grabbed by a small clamping force and can be accurately positioned, the partition 411 can be loaded into a cavity of a lower die holder in a small gap, and the defects of inaccurate loading and positioning and easy skew loading caused by manual loading or sucking discs are overcome.
The working process of the clapboard filling device 5 is as follows:
before the push-out device pushes out the carriage, in order to give way, the servo motor 502 drives the driving swing rod 505 to rotate through the synchronous belt transmission 503, so that the whole lifting clamping device rotates clockwise by an angle to be lifted, and the position is shown in fig. 1.
When the push-out device pushes the carriage to a blanking position, the push plate 409 pushes the brake pad 410 out to move to a conveying line, and then the clapboard 411 on the carriage 403 is clamped and taken away by the clapboard filling device 5 and is filled into the cavity of the lower die holder 103.
The specific action process is as follows:
the servo motor 502 drives the four-bar linkage to rotate counterclockwise until the link 506 is in a horizontal initial clamping state.
At this time, the lifting cylinder 50805 is actuated to push the lifting fixing plate 50806, the guide rod 50801 and each clamping plate to move downward along the linear guide 50802 until the conical boss 50814 of the clamping plate is aligned with the cylindrical hole 41101 on the side of the partition 411, then the first clamping cylinder 50810 drives the first clamping plate 50803 and the third clamping plate 50811 fixedly connected with the piston rods thereof to slide rightward along the guide rod 50801 (i.e. towards the second clamping plate 50804 and the fourth clamping plate 50812, respectively), and simultaneously the second clamping cylinder 50809 synchronously drives the second clamping plate 50804 and the fourth clamping plate 50812 fixedly connected with the piston rods thereof to slide leftward (i.e. towards the first clamping plate 50803 and the third clamping plate 50811, respectively), and the conical boss 50814 of the clamping plate is inserted into the cylindrical hole 41101 of the partition 411, thereby completing the clamping operation. Thereafter, the lift cylinder 50805 ascends with the partition 411 gripped and returns to the horizontal initial gripping state.
Referring to fig. 9, after the lifting and clamping device 508 clamps the partition 411, the servo motor 502 drives the driving swing rod 505 to rotate through the synchronous belt transmission 503, so that the whole lifting and clamping device 508 rotates clockwise by an angle, the lifting and clamping device is lifted to a position right above the lower die base 103, at this time, the connecting rod 506 is in a horizontal loading state, the partitions 411 are directly opposite to the corresponding cavities of the lower die base 103 one by one, referring to fig. 10, the lifting cylinder 50805 descends to load the lower part or all of the clamped partition 411 into the corresponding cavities of the lower die base 103, then the first clamping cylinder 50810 and the second clamping cylinder 50809 operate simultaneously to move the first clamping plate 50803, the second clamping plate 50804, the third clamping plate 50811 and the fourth clamping plate 50812 in a different direction, the clamped partition 411 is released, and the partition 411 is limited by the inner wall of the cavity of the lower die base 103, so that the phenomenon of deviation does not occur, the partition 411 falls under gravity on the carriage in the cavity of the lower die holder 103. Finally, the lifting cylinder 50805 ascends, and the servo motor 502 drives the lifting clamping device to reset.
The clapboard loading device 5 realizes that the clapboard 411 is clamped, taken out and then correspondingly loaded into the through lower die holder 103.
And then the powder is hot-pressed into a brake pad by a hot press, and the temperature and pressure are kept for a certain time.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A full-automatic hot-press molding device for drum brake pads is characterized by comprising a hot press, a pushing device, a feeding device and a partition filling device;
the push-out device comprises a dragging plate which can be moved out of or into a space between the lower die seat and the base of the hot press and a push plate which can move along the movement direction of the dragging plate and can rotate;
when the dragging plate is moved out, the dragging plate is loaded with a partition plate and a brake pad which is formed on the partition plate in a pressing mode; the push plate can push the brake pad out of the partition plate;
the feeding device feeds powder into the cavity of the lower die base filled with the partition plate;
the clapboard is clamped by a clapboard loading device and moves from the planker to be loaded into a lower die base cavity of the opened die;
when a mould on the hot press is closed, the filled powder is pressed and molded;
the push plate is rotatably arranged on the push plate bracket supported by the push-out frame body; the push plate bracket reciprocates along the motion direction of the carriage;
a convex block is fixedly arranged at one end of the push-out frame body close to the hot press, is positioned on the side surface of the carriage and can be contacted with a push plate on a push plate bracket which slides through the position, and pushes the push plate to rotate and lift around the push plate bracket;
and the push plate support is also provided with a pin shaft, and the pin shaft limits the rotation angle of the push plate separated from the bump.
2. The full-automatic hot-press molding device for the drum brake lining according to claim 1, wherein the feeding device comprises a plurality of movable hoppers; the bottom of each hopper is hinged with two material doors;
on the side of each hopper facing the hot press, a vertically movable arcuate scraper and a plurality of nozzles connectable to a release agent pump are mounted.
3. The full-automatic hot-press molding device for the drum brake pads as claimed in claim 2, wherein each bin gate is hinged to the hopper through a hinge shaft, one end of the hinge shaft is provided with a bin gate swing rod with an elongated slot, and the bin gate swing rod and the door surface of the bin gate form a set fixed angle;
and pin shafts at two ends of a material door connecting rod which can be driven by a material door opening and closing cylinder to vertically move are respectively inserted into waist-shaped grooves of two material door swing rods on the same material door to form sliding connection.
4. The full-automatic hot-press molding device for the drum brake pads as claimed in claim 2, wherein when the hopper moves to the initial boundary of the nozzle entering the cavity of the lower die holder, a first travel switch for starting a release agent pump is triggered; and when the hopper moves to the position that the nozzle reaches the tail end boundary of the lower die base cavity, a second travel switch for closing the release agent pump is triggered.
5. The full-automatic hot-press molding device for the drum brake lining as claimed in claim 1, wherein the carriage is provided with a plurality of sliding strips moving along the movement direction of the carriage, and a notch capable of accommodating the partition plate is formed between the plurality of sliding strips on the same axis.
6. The full-automatic hot-press molding device for the drum brake lining according to claim 1, wherein the partition filling device comprises a lifting clamping device and two sets of four-bar linkages supporting the lifting clamping device; the lifting clamping device is driven by two groups of four-bar mechanisms to reciprocate between a dragging plate moved out of the hot press and an inlet of a die cavity of the lower die holder.
7. The fully automatic hot press molding device for drum brakes according to claim 6, wherein each set of four-bar linkage mechanism includes a driven swing link hinged to the base of the hot press, a driving swing link hinged to the base of the hot press and capable of actively rotating, and a connecting rod connecting the driven swing link and the driving swing link.
8. The full-automatic hot-press molding device for the drum brake lining as claimed in claim 7, wherein two sets of four-bar linkage mechanisms are symmetrically arranged at two sides of the pushing device; and the two connecting rods in the two groups simultaneously support and fix the lifting clamping device.
9. The full-automatic hot-press molding device for the drum brake lining according to claim 6, wherein the lifting clamping device comprises two parallel guide rods which can move vertically relative to the four-bar linkage mechanism, the two guide rods are connected with a plurality of paired clamping plates in a sliding manner, one of the clamping plates in each pair is driven by a first clamping cylinder to move simultaneously, and the other clamping plate in each pair is driven by a second clamping cylinder to move simultaneously; the two clamping cylinders drive each pair of clamping plates to axially move along the guide rod, and the two clamping plates in each pair of clamping plates move oppositely or in different directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911188328.XA CN110834437B (en) | 2019-11-28 | 2019-11-28 | Full-automatic hot-pressing forming device for drum brake pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911188328.XA CN110834437B (en) | 2019-11-28 | 2019-11-28 | Full-automatic hot-pressing forming device for drum brake pad |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110834437A CN110834437A (en) | 2020-02-25 |
| CN110834437B true CN110834437B (en) | 2021-04-27 |
Family
ID=69577645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911188328.XA Active CN110834437B (en) | 2019-11-28 | 2019-11-28 | Full-automatic hot-pressing forming device for drum brake pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110834437B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111890616A (en) * | 2020-07-27 | 2020-11-06 | 北京科技大学 | Small-size automatic integrated continuous hot-pressing forming device |
| CN112009015B (en) * | 2020-08-24 | 2022-04-05 | 湖北文理学院 | Full-automatic hot-pressing forming production line for drum brake pads |
| CN112045921B (en) * | 2020-08-24 | 2022-04-05 | 湖北文理学院 | Separable feeding device for hot press molding of drum brake pad |
| CN112122584B (en) * | 2020-08-31 | 2022-03-15 | 武汉华中数控股份有限公司 | Pressure casting automated production control system based on PLC |
| CN112519305B (en) * | 2020-11-18 | 2022-11-04 | 济南悦创液压机械制造有限公司 | Full-automatic brake block production facility |
| CN113715219A (en) * | 2021-04-30 | 2021-11-30 | 襄阳路世荣精密机械制造有限公司 | Automatic pressing method for automobile drum brake pad |
| CN114030147B (en) * | 2021-11-05 | 2023-08-08 | 惠州市兴利嘉科技有限公司 | Auxiliary demoulding device for earphone shell production |
| CN114986969B (en) * | 2022-05-17 | 2023-06-13 | 极米(宁波)智能设备有限公司 | Powder hot-press molding equipment |
| CN114919225B (en) * | 2022-05-31 | 2023-07-21 | 江苏科技大学 | Refractory tray forming device and forming method |
| CN115570813B (en) * | 2022-09-30 | 2023-11-28 | 江苏久通汽车零部件有限公司 | Forming device for processing automobile clutch facing |
| CN115447252B (en) * | 2022-11-10 | 2023-03-14 | 杭州安耐特实业有限公司 | Pretreatment device of brake pad automatic hot press |
| CN117382075B (en) * | 2023-12-08 | 2024-02-27 | 济南海光模具有限责任公司 | Hot-press forming die for drum brake pad |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6399918B1 (en) * | 1997-09-08 | 2002-06-04 | Japan Brake Industrial Co., Ltd. | Method and apparatus for bonding brake shoe and lining |
| CN204295950U (en) * | 2014-11-04 | 2015-04-29 | 将乐县和轩刹车片厂 | A kind of heat pressing and molding mold of drum-type brake pad |
| CN205075240U (en) * | 2015-10-20 | 2016-03-09 | 晋江凯燕化工有限公司 | Brake block hot press |
| CN107718400A (en) * | 2017-09-12 | 2018-02-23 | 济南悦创液压机械制造有限公司 | A kind of automatic production line applied to brake block production |
| CN108407375A (en) * | 2018-05-10 | 2018-08-17 | 枣阳市天亿达精密工具有限公司 | The full-automatic compression molding device of drum-type brake pad |
-
2019
- 2019-11-28 CN CN201911188328.XA patent/CN110834437B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6399918B1 (en) * | 1997-09-08 | 2002-06-04 | Japan Brake Industrial Co., Ltd. | Method and apparatus for bonding brake shoe and lining |
| CN204295950U (en) * | 2014-11-04 | 2015-04-29 | 将乐县和轩刹车片厂 | A kind of heat pressing and molding mold of drum-type brake pad |
| CN205075240U (en) * | 2015-10-20 | 2016-03-09 | 晋江凯燕化工有限公司 | Brake block hot press |
| CN107718400A (en) * | 2017-09-12 | 2018-02-23 | 济南悦创液压机械制造有限公司 | A kind of automatic production line applied to brake block production |
| CN108407375A (en) * | 2018-05-10 | 2018-08-17 | 枣阳市天亿达精密工具有限公司 | The full-automatic compression molding device of drum-type brake pad |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110834437A (en) | 2020-02-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110834437B (en) | Full-automatic hot-pressing forming device for drum brake pad | |
| CN110733197B (en) | Feeding device of drum brake pad hot-pressing forming die | |
| KR101355421B1 (en) | Powder compression molding machine and apparatus for continuous production of powder compression molded item using the machine | |
| US4124352A (en) | Device for removing molded material from multi-plate molds | |
| CN109606786B (en) | Penicillin bottle vertical loading and supporting machine and penicillin bottle packaging machine with same | |
| US2888731A (en) | Molding press | |
| CN111558715B (en) | Full-automatic powder metallurgy compression molding device and dry compression molding process thereof | |
| CN207523075U (en) | Mold circulation formula automotive brake pads full-automatic heat pressing production line | |
| CN210820071U (en) | Forming system, demoulding production line, demoulding equipment and conveying line | |
| CN107791567A (en) | Mould circulation formula automobile brake sheet full-automatic heat pressing production line | |
| CN109878137B (en) | Continuous feeding press | |
| CN110774647B (en) | Automatic push-out and filling device for drum brake pad hot-pressing mould partition plate | |
| CN112045921B (en) | Separable feeding device for hot press molding of drum brake pad | |
| CN105235060A (en) | Automatic feeding machine | |
| CN208543618U (en) | High-precision refractory material is weighed cloth integrated system automatically | |
| CN112009015B (en) | Full-automatic hot-pressing forming production line for drum brake pads | |
| CN107226355B (en) | A kind of automatic stacking machine | |
| CN115958197A (en) | Diamond compact's processingequipment | |
| JP7037617B1 (en) | Brake pad molding equipment for automobiles | |
| US3070842A (en) | Apparatus for molding particle boards of improved quality | |
| CN110878774B (en) | Hydraulic control system and control method for full-automatic hydraulic oil press | |
| CN212734139U (en) | Full-automatic powder metallurgy compression molding device | |
| CN208979893U (en) | A kind of automatic moulding and palletizing system of brick | |
| CN103089874A (en) | Full-automatic motor vehicle friction plate production device | |
| CN207952534U (en) | A kind of fiber riser molding machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |