CN217617220U - Fine-trimming and leveling composite die - Google Patents
Fine-trimming and leveling composite die Download PDFInfo
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- CN217617220U CN217617220U CN202221536515.XU CN202221536515U CN217617220U CN 217617220 U CN217617220 U CN 217617220U CN 202221536515 U CN202221536515 U CN 202221536515U CN 217617220 U CN217617220 U CN 217617220U
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Abstract
The application relates to the field of mould, especially, relate to a combined mould of truing levelling for processing brake block steel backing includes: the lower die set is arranged on the machine tool, and a finishing groove matched with the steel backing of the brake pad to be processed is formed in the lower die set; the upper module is arranged on the machine tool and positioned above the lower module, and the upper module slides relative to the lower module; the cross section of the male die is the same as the shape of the steel back of the brake pad to be processed, and the lower side of the male die is provided with a yielding groove for yielding a convex hull on the steel back to be processed; the leveling top block is in sliding fit in the finishing groove and is matched with the finishing groove in shape; the leveling jacking block is arranged on the upper side face of the fine trimming groove, and jacking force smaller than pressure applied by the convex die to the brake pad steel backing to be processed is applied to the brake pad steel backing to be processed. This application has the cost that reduces brake block production, alleviates turnover and artifical extravagant effect.
Description
Technical Field
The application relates to the field of dies, in particular to a fine-trimming and leveling composite die.
Background
The brake block steel back is an important part of brake structures of various vehicles, and referring to fig. 1, the brake block steel back is a schematic diagram of the brake block steel back, wherein the brake block steel back 1 is provided with a convex hull 11 for positioning when being connected with other parts, and is further provided with a reserved hole 12 for a bolt to pass through when being subsequently fixed with other parts.
At present, the brake pad steel backing 1 is generally produced by a stamping mode, after the brake pad steel backing 1 is stamped, more burrs exist on the peripheral side surface of the brake pad steel backing 1, and subsequent fine trimming is needed to ensure that the smoothness of the brake pad steel backing 1 reaches the standard; also go on through the mode of punching press when processing convex closure 11, the punching press can appear making brake block steel backing 1 have the phenomenon of certain radian, in addition, the roughness of 1 raw and other materials of brake block steel backing also has the difference, consequently still need carry out levelling treatment to brake block steel backing 1 after the convex closure punching press is accomplished to satisfy the roughness requirement of brake block steel backing 1.
With respect to the related art in the above, the inventors found that: in the production process of the existing brake pad steel backing 1, the fine trimming and the leveling are respectively carried out through two processes and two sets of equipment, so that the production cost of a mold is increased, and the problems of turnover and labor waste are also aggravated.
SUMMERY OF THE UTILITY MODEL
In order to reduce the cost of brake block production, alleviate turnover and artifical extravagant problem, this application provides a finish repair levelling composite die.
The application provides a finish repair levelling mould adopts following technical scheme:
a finishing leveling composite mold for machining a brake pad steel backing, comprising:
the lower die set is arranged on the machine tool, and a finishing groove matched with the steel backing of the brake pad to be processed is formed in the lower die set;
the upper module is arranged on the machine tool and positioned above the lower module, and the upper module slides relative to the lower module;
the cross section of the male die is the same as the shape of the steel back of the brake pad to be processed, and the lower side of the male die is provided with a yielding groove for yielding a convex hull on the steel back to be processed;
the leveling top block is in sliding fit in the finishing groove and is matched with the finishing groove in shape;
the leveling jacking block is characterized in that the upper side face of the leveling jacking block is located on the upper side of the fine trimming groove, and jacking force smaller than pressure applied by the convex die to the brake pad steel back to be processed is applied to the brake pad steel back to be processed.
By adopting the technical scheme, when the punched brake pad steel backing is subjected to fine trimming and leveling treatment, two treatments can be completed only by using one device of the composite die, so that the process is simplified, a large number of intermediate procedures can be saved, manpower and time are saved, and the processing efficiency is greatly improved; in addition, two sets of different dies are not needed to be arranged to respectively carry out two kinds of processing on the brake pad steel backing, and the manufacturing cost of the device is reduced.
Optionally, a positioning pin used for inserting a preformed hole in the brake pad steel back to be processed to position the brake pad steel back to be processed is arranged on the leveling jacking block.
Through adopting above-mentioned technical scheme, comparatively conveniently confirm its position when placing the brake block steel backing on levelling the kicking block, the position of brake block steel backing is also need not adjusted many times to confirm in the placement process, is difficult to appear misplacing, the problem of incline, promotes the convenience that this compound mould used, reduces and causes adverse effect to subsequent truing, levelling process.
Optionally, a mounting hole for installing the positioning pin is formed in the leveling top block;
the positioning pin is fixedly connected with the leveling jacking block in an inserting mode through interference fit.
Through adopting above-mentioned technical scheme, cause the locating pin to be worn and torn and make locating pin and preformed hole lateral wall have under the condition in great clearance because of locating pin and brake block steel backing friction after using a terminal time, can directly change the locating pin, reduce the follow-up problem that has dislocation, skew when fixing a position the locating pin that appears, guarantee the accuracy to the locating pin location.
Optionally, the upper end of the positioning pin is provided with a guide surface formed by a chamfer.
Through adopting above-mentioned technical scheme, placing the brake block steel backing on levelling the kicking block in-process, need not carry out special alignment operation to preformed hole and locating pin, after inserting the preformed hole with the upper end of locating pin, the brake block steel backing continues the in-process of placing downwards, the spigot surface has the guide effect to guide the brake block steel backing to setting for the position, has promoted the convenience that this compound mould used.
Optionally, a stripper plate is arranged on the lower side of the upper die set, and the male die penetrates through the stripper plate and is in sliding fit with the stripper plate;
an elastic piece for applying elastic force towards the direction far away from the upper module to the stripper plate is arranged between the stripper plate and the upper module.
By adopting the technical scheme, when the brake pad steel back is taken down after the brake pad steel back is finished and leveled, an operator does not need to manually pull the brake pad steel back off the male die, and the stripper plate applies downward pressure to the brake pad steel back under the action of the elastic piece, so that the brake pad steel back is separated from the male die, and the brake pad steel back is convenient to use; in addition, the problem that the brake pad steel back falls after rising to a certain height along with the male die is not easy to occur, and the problem of collision and damage to the brake pad steel back is reduced.
Optionally, the elastic member includes a plurality of stripping springs, and the plurality of stripping springs are uniformly distributed along the edge of the stripping plate at intervals.
Through adopting above-mentioned technical scheme, exert stable elasticity to taking off the flitch, simple structure is difficult to equipment failure.
Optionally, the elastic element further comprises a plurality of guide rods which are fixed relative to the upper module and correspond to the plurality of stripping springs one to one;
the guide rods are in sliding fit with the stripper plates, and the stripper springs are sleeved on the corresponding guide rods.
Through adopting above-mentioned technical scheme, guarantee to take off the gliding stability of flitch, reduce the phenomenon that takes off the material spring middle part and arch out to one side and appear, guarantee to take off the material spring by the compression process and to take off the flitch and exert the stability of elasticity process.
Optionally, the die further comprises a guide post fixed relative to the upper die set, and the guide post penetrates through the stripper plate and is in sliding fit with the stripper plate;
and the lower die set is provided with a guide hole matched with the guide pillar.
Through adopting above-mentioned technical scheme, promote the stability of taking off flitch lift process, can also guide the lock of last module and lower module for the process of last module, lower module lock is more stable.
A fixing plate is fixed on the upper side of the male die, and one side of the fixing plate, which is far away from the male die, is detachably connected to the upper die set; the lower die set comprises a lower die base and a female die detachably connected to the upper side of the lower die base.
Through adopting above-mentioned technical scheme, this mould can be applicable to current pressurization lathe, need not in addition independent design, produce new lathe, in addition, adds man-hour to the brake block steel backing of different models, specification, can use different terrace dies and die, can process different brake block steel backings for this mould has better suitability.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by using the composite die, when the stamped steel backing of the brake pad is subjected to fine trimming and leveling treatment, two treatments can be completed only by using one device of the composite die, so that the process is simplified, a large amount of intermediate procedures can be saved, labor and time are saved, and the processing efficiency is greatly improved; in addition, two sets of different dies are not required to be arranged to respectively carry out two kinds of processing on the brake pad steel backing, so that the manufacturing cost of the equipment is reduced;
2. through the arranged stripper plate, when the brake pad steel back is taken down after the brake pad steel back is finished and leveled, an operator does not need to manually pull the brake pad steel back off the male die, and the stripper plate applies downward pressure to the brake pad steel back under the action of the elastic piece, so that the brake pad steel back is separated from the male die, and the brake pad steel back is convenient to use; in addition, the problem that the brake pad steel backing falls after rising to a certain height along with the male die is not easy to occur, and the problem that the brake pad steel backing is collided and damaged is reduced.
Drawings
FIG. 1 is a schematic illustration of a prior art brake pad steel backing;
FIG. 2 is a schematic overall view of a composite mold according to an embodiment of the present application;
FIG. 3 is a schematic diagram illustrating the mating relationship of the composite mold according to an embodiment of the present application;
FIG. 4 is a cross-sectional view of the particular construction of the male die and of the spring;
fig. 5 is a sectional view for showing a specific structure of the female mold.
Description of reference numerals: 1. a brake pad steel backing; 11. a convex hull; 12. reserving a hole; 2. a lower module; 21. a lower die holder; 22. a female die; 221. finely trimming the groove; 222. a guide hole; 3. an upper module; 31. an upper die holder; 32. a drive member; 4. a male die; 41. a yielding groove; 42. a fixing plate; 43. a guide post; 5. leveling a top block; 51. a jacking piece; 52. positioning pins; 521. a guide surface; 53. mounting holes; 6. a material removing plate; 7. an elastic member; 71. a guide rod; 72. and (7) removing the spring.
Detailed Description
The present application is described in further detail below with reference to figures 2-5.
The embodiment of the application discloses a fine-trimming and leveling composite die, which is arranged on an existing machine tool and used for performing fine-trimming and leveling treatment on a brake pad steel backing 1, and referring to fig. 2 and 3, the composite die comprises a lower die set 2 fixed on the machine tool and an upper die set 3 arranged on the machine tool, wherein the lower die set 2 comprises a lower die holder 21 fixed on the machine tool and a female die 22 detachably fixed on the upper side of the lower die holder 21 through a bolt; the upper module 3 includes an upper die base 31 in sliding fit with the machine tool and a driving member 32 fixed on the machine tool, the driving member 32 is connected with the upper die base 31 to drive the upper die base 31 to lift, the driving member 32 is a hydraulic cylinder, of course, the driving member 32 can also select to use structures such as a cylinder, an electric push rod, a screw slider and the like in other embodiments, and only the upper die base 31 needs to be driven to lift.
Referring to fig. 4 and 5, the composite die further comprises a male die 4, the cross-sectional dimension of the male die 4 in the horizontal plane is the same as that of the brake pad steel back 1 in the horizontal plane, a yielding groove 41 for avoiding a convex hull 11 on the brake pad is formed in the lower side surface of the male die 4, and meanwhile, the convex hull 11 is inserted into the yielding groove 41, so that the surface of the convex hull 11 can be subjected to fine trimming, and burrs on the surface of the convex hull 11 are reduced; a fixing plate 42 is integrally formed on the upper side of the male die 4, and the fixing plate 42 is detachably fixed on the lower side surface of the upper die holder 31 through bolts; the female die 22 is provided with a finishing groove 221 with the same shape as the brake pad steel backing 1, and the finishing groove 221 penetrates through the female die 22 and the lower die holder 21; when the brake pad steel back 1 is subjected to fine trimming, the brake pad steel back 1 is pressed into the fine trimming groove 221 through the male die 4, so that the circumferential surface of the brake pad steel back 1 can be subjected to fine trimming, and the problems of burrs, bulges and the like are reduced; the leveling jacking block 5 matched with the finishing groove 221 is arranged in the finishing groove 221 in a sliding fit mode, the jacking piece 51 used for driving the leveling jacking block 5 to ascend and descend is arranged on the lower side of the leveling jacking block 5, the jacking piece 51 is a hydraulic cylinder, and in other embodiments, the jacking piece 51 can also select to use a cylinder, an electric push rod, a lead screw slide block and other structures.
Under the initial condition, the upper side of leveling kicking block 5 is located the fine trimming groove 221 upside, the brake block steel backing 1 to be processed is arranged on leveling kicking block 5, control driving piece 32 drives upper die holder 31 and terrace die 4 decline, make terrace die 4 lower extreme butt on brake block steel backing 1, terrace die 4 presss from both sides tight brake block steel backing 1 with leveling kicking block 5 cooperation, at this moment, upward jacking force is exerted to leveling kicking block 5 to jacking piece 51, and maintain jacking force that jacking piece 51 exerted and be less than the pressure that driving piece 32 exerted, under the cooperation of jacking force and pressure of the two, drive brake block steel backing 1 to descend, and then imbed in the fine trimming groove 221, the peripheral side of fine trimming groove 221 to brake block steel backing 1 carries out the fine trimming.
Thus, when the stamped brake pad steel backing 1 is subjected to fine trimming and leveling treatment, the treatment of two working procedures can be completed only by using one device of the composite die, so that the working procedures are simplified, a large number of intermediate procedures can be saved, manpower and time are saved, and the processing efficiency is greatly improved; in addition, two sets of different dies are not required to be produced to respectively carry out two processing on the brake pad steel backing 1, so that the manufacturing cost of the device is reduced.
Referring to fig. 3 and 5, 5 upsides of levelling kicking blocks are provided with and are used for carrying out the locating pin 52 of fixing a position to brake block steel backing 1, this locating pin 52 and the adaptation of preformed hole 12 on the brake block steel backing 1, when placing brake block steel backing 1 on levelling kicking block 5, it is comparatively convenient to confirm its position, be difficult to appear placing position incline of brake block steel backing 1 or need to adjust the phenomenon to the position of brake block steel backing 1 many times, promote the convenience that this compound mould used, also difficult the problem that the processing to brake block steel backing 1 caused the error appears.
Specifically, referring to fig. 5, locating pin 52 upper end is equipped with the spigot surface 521 that forms through the chamfer for the cross sectional dimension of locating pin 52 upper end reduces gradually, when placing brake block steel backing 1 on leveling kicking block 5, need not carry out special alignment, adjustment that can be comparatively convenient makes locating pin 52 pass preformed hole 12, continue the in-process of transferring brake block steel backing 1 downwards, play certain guide effect through spigot surface 521, make brake block steel backing 1 adjust to the settlement position, and it is more convenient to use.
In addition, referring to fig. 5, the leveling top block 5 is provided with a mounting hole 53 for installing the positioning pin 52, and the positioning pin 52 is inserted into the mounting hole 53 and fixed with the leveling top block 5 in an interference fit manner; therefore, the positioning pin 52 is detachably arranged on the leveling top block 5, after a certain time, the positioning pin 52 is rubbed with the brake pad steel back 1 for many times to cause abrasion to the positioning pin 52, so that when the brake pad steel back 1 is placed on the leveling top block 5 and a certain displacement error is easy to cause a cold phenomenon, the positioning pin 52 can be directly replaced, the positioning accuracy of the brake pad steel back 1 is ensured, the leveling top block 5 does not need to be replaced together when the positioning pin is replaced, and the waste problem is reduced; in other embodiments, the positioning pin 52 may be screwed, bolted, etc. to the leveling top block 5.
After the male die 4 is pressed down to finish and level the brake pad steel back 1, the pressure applied by the driving piece 32 is stopped, the brake pad steel back 1 is driven to be ejected out of the finishing groove 221 through the jacking force of the jacking piece 51, and the brake pad steel back 1 can be taken out, however, in this case, the convex hull 11 may be embedded in the yielding hole, so that the brake pad steel back 1 is connected to the male die 4 and rises along with the male die 4, after the leveling jacking block 5 rises to the highest position, the male die 4 continues to rise, and meanwhile, the brake pad steel back 1 is driven to continue to rise, and the brake pad steel back 1 needs to be manually pulled down from the male die 4 subsequently, which is inconvenient; in addition, the phenomenon that the in-process brake block steel backing 1 that terrace die 4 rises drops still can appear, and the problem of colliding with, damaging appears easily in brake block steel backing 1, for solving this kind of problem, this application carries out following setting.
Referring to fig. 3 and 4, the lower side of the fixing plate 42 is slidably connected with the stripper plate 6, the stripper plate 6 is horizontally arranged, the male die 4 penetrates through the stripper plate 6 and is slidably matched with the stripper plate 6, two opposite sides of the lower side of the fixing plate 42 are respectively fixed with a guide post 43, and the guide posts 43 penetrate through the stripper plate 6 and are slidably matched with the same; the female die 22 is provided with a guide hole 222 matched with the guide post 43; two elastic pieces 7 are arranged between the stripper plate 6 and the fixed plate 42, and the two elastic pieces 7 are respectively arranged at the diagonal positions of the stripper plate 6; the elastic part 7 comprises a guide rod 71 fixed on the fixing plate 42, the guide rod 71 penetrates through the stripper plate 6 and is in sliding fit with the stripper plate 6, the elastic part 7 further comprises a stripper spring 72 sleeved on the guide rod 71, one end of the stripper spring 72 is fixedly connected with the fixing plate 42, the other end of the stripper spring 72 is fixedly connected with the stripper plate 6, and the elastic part applies elastic force to the stripper plate 6 in the direction away from the fixing plate 42.
In the process of finely trimming and leveling the brake pad steel backing 1, the punch 4 presses the brake pad steel backing 1 into the fine trimming groove 221, the stripper plate 6 is kept in abutting contact with the upper side of the die 22 and compresses the stripper spring 72, the leveling ejector block 5 pushes the brake pad steel backing 1 out of the fine trimming groove 221, and the punch 4 continues to rise, the stripper plate 6 applies downward elastic force to the brake pad steel backing 1, so that the brake pad steel backing 1 is separated from the punch 4, namely after the brake pad steel backing is pushed out of the fine trimming groove 221, the brake pad steel backing 1 is always kept on the leveling ejector block 5, the brake pad steel backing 1 can be directly taken down from the leveling ejector block 5, and compared with the mode that a worker needs to dig the brake pad steel backing 1 down from the lower side of the punch 4, the problem that the brake pad steel backing 1 rising in the middle of the punch 4 drops from the punch 4 and is damaged due to collision is not easy to occur.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. A finishing levelling composite mould for machining brake block steel backs (1), comprising:
the lower die set (2) is arranged on a machine tool, and a finishing groove (221) matched with the brake pad steel backing (1) to be processed is formed in the lower die set (2);
the upper die set (3) is arranged on the machine tool and positioned above the lower die set (2), and the upper die set (3) slides relative to the lower die set (2);
the male die (4) is arranged on the lower side of the upper die set (3), the cross section of the male die (4) is the same as that of the brake pad steel back (1) to be processed, and a abdicating groove (41) for avoiding a convex hull (11) on the steel back to be processed is formed in the lower side of the male die (4);
a leveling top block (5) which is in sliding fit in the finishing groove (221) and the leveling top block (5) is matched with the finishing groove (221) in shape;
the upper side face of the leveling jacking block (5) is located on the upper side of the fine trimming groove (221), and the jacking force of the pressure applied by the male die (4) to the brake pad steel backing (1) to be processed is smaller than the jacking force of the pressure applied by the male die (4) to the brake pad steel backing (1) to be processed.
2. A finishing and leveling composite die as recited in claim 1 wherein: and the leveling jacking block (5) is provided with a positioning pin (52) which is used for inserting a preformed hole (12) on the brake pad steel back (1) to be processed so as to position the brake pad steel back (1) to be processed.
3. A finishing and leveling composite die as recited in claim 2 wherein: the leveling top block (5) is provided with a mounting hole (53) for installing the positioning pin (52);
the positioning pin (52) is fixedly connected with the leveling top block (5) in an inserted mode through interference fit.
4. A finishing and leveling composite die as recited in claim 2 wherein: the upper end of the positioning pin (52) is provided with a guide surface (521) formed by chamfering.
5. A finishing and leveling composite die as recited in claim 1 wherein: a stripper plate (6) is arranged on the lower side of the upper die set (3), and the male die (4) penetrates through the stripper plate (6) and is in sliding fit with the stripper plate (6);
an elastic part (7) which applies elasticity towards the direction away from the upper die set (3) to the stripper plate (6) is arranged between the stripper plate (6) and the upper die set (3).
6. A finishing and leveling composite die as recited in claim 5 wherein: the elastic part (7) comprises a plurality of stripping springs (72), and the stripping springs (72) are uniformly distributed along the edge of the stripping plate (6) at intervals.
7. A finishing leveling composite mold as recited in claim 6, wherein: the elastic piece (7) also comprises a plurality of guide rods (71) which are fixed relative to the upper die set (3) and correspond to the stripping springs (72) one by one;
the guide rods (71) are in sliding fit with the stripping plates (6), and the stripping springs (72) are sleeved on the corresponding guide rods (71).
8. A finishing and leveling composite die as recited in claim 7 wherein: the die further comprises a guide post (43) fixed relative to the upper die set (3), and the guide post (43) penetrates through the stripper plate (6) and is in sliding fit with the stripper plate (6);
the lower die set (2) is provided with a guide hole (222) matched with the guide post (43).
9. A finishing leveling composite mold as recited in claim 1, wherein: a fixing plate (42) is fixed on the upper side of the male die (4), and one side, far away from the male die (4), of the fixing plate (42) is detachably connected to the upper die set (3);
the lower die set (2) comprises a lower die holder (21) and a female die (22) detachably connected to the upper side of the lower die holder (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221536515.XU CN217617220U (en) | 2022-06-17 | 2022-06-17 | Fine-trimming and leveling composite die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221536515.XU CN217617220U (en) | 2022-06-17 | 2022-06-17 | Fine-trimming and leveling composite die |
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| CN217617220U true CN217617220U (en) | 2022-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221536515.XU Active CN217617220U (en) | 2022-06-17 | 2022-06-17 | Fine-trimming and leveling composite die |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117680540A (en) * | 2024-02-02 | 2024-03-12 | 杭州安耐特实业有限公司 | Die for processing steel back |
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2022
- 2022-06-17 CN CN202221536515.XU patent/CN217617220U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117680540A (en) * | 2024-02-02 | 2024-03-12 | 杭州安耐特实业有限公司 | Die for processing steel back |
| CN117680540B (en) * | 2024-02-02 | 2024-04-16 | 杭州安耐特实业有限公司 | Die for processing steel back |
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