Automobile brake adjusting arm preforming process
Technical Field
The invention relates to the technical field of production of automobile brake adjusting arms, in particular to a preforming process of an automobile brake adjusting arm.
Background
The forging and pressing die is a tool for making a blank into a product with a specific shape and a specific size under the action of external force, is frequently used during forging, and is used for preforming raw materials in a material distribution mode in order to ensure the performances of tension, structural strength, rigidity, surface hardness, surface roughness, machining precision and the like of a product in the process of producing the automobile brake adjusting arm due to the fact that the thicknesses of the front end and the rear end of the automobile brake adjusting arm are different.
The current preforming mould structure is comparatively simple, needs the manual work to cover the mould and take off the module when last unloading, and it is harder to operate to workman's finger is pressed easily, and the workman can also be scalded to the template of high temperature state. In view of the above, the invention provides a preforming process for an automobile brake adjusting arm, which has the following characteristics:
(1) according to the pre-forming process of the automobile brake adjusting arm, the material distribution mold is used, and only the operating mechanism needs to be rotated in the mold closing process, so that the screw rod moves downwards along the spiral direction between the two clamping plates, and the upper mold mechanism is driven to move downwards integrally, therefore, the upper mold plate is attached to the lower mold base, the operation is simple and convenient, the structure is simple, and the production and manufacturing cost is low.
(2) The invention relates to a preforming process of an automobile brake adjusting arm, which uses a material distribution mould, wherein an upper mould plate of the material distribution mould can compress a first spring in the downward movement process, when the mould needs to be disassembled, only a clamping mechanism needs to be simultaneously pulled outwards to separate a clamping plate from a screw rod, the upper mould plate can quickly move upwards to reset under the driving of the first spring, so that the quick demoulding is realized, and a frame plate can also reset under the driving of a second spring so as to facilitate the next processing operation.
(3) According to the automobile brake adjusting arm preforming process, the material distribution mold is used, and molten liquid can be dispersed into the lower die base through the flow distribution plate with the mesh structure, so that the material distribution is more uniform, and the forming effect is better.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a pre-forming process of an automobile brake adjusting arm, which uses a material distribution mold, wherein the material distribution mold only needs to rotate an operating mechanism in the mold closing process, so that a screw rod moves downwards along a spiral direction between two clamping plates, and then an upper mold mechanism is driven to move downwards integrally, so that the upper mold plate is attached to a lower mold base, the operation is simple and convenient, the structure is simple, and the production and manufacturing cost is low; the upper template can compress the first spring in the downward movement process, when the template needs to be disassembled, only the clamping mechanisms need to be simultaneously and externally pulled to separate the clamping plate from the screw rod, the upper template can quickly move upwards to reset under the driving of the first spring, so that the quick demolding is realized, and the frame plate can also reset under the driving of the second spring so as to facilitate the next processing operation; the flow distribution plate with the mesh structure can disperse the melt into the lower die holder, so that the material distribution is more uniform, and the forming effect is better.
The technical scheme adopted by the invention for solving the technical problems is as follows: a pre-forming process for an automobile brake adjusting arm comprises the following steps:
s1: rotating the flow distribution plate, and rotating the flow distribution plate to be right above the top surface of the lower die base in parallel;
s2: heating the raw materials into a molten state, and enabling the molten liquid to flow into a cavity in the lower die holder through a flow distribution plate of S1;
s3: rotating the screw rod to enable the upper template to move downwards and to be attached to the lower die holder in the S2;
s4: after the molding is finished, pulling the two clamping mechanisms to separate the upper template from the lower die holder in S3;
the process uses a material distribution mold, and the material distribution mold comprises a base, a lower mold base, an upper mold mechanism, a limiting mechanism, an operating mechanism, a first clamping mechanism, a liquid feeding mechanism and a second clamping mechanism; the top surface of the base is provided with a lower die holder, the top of the lower die holder is provided with the upper die mechanism, and the upper die mechanism is matched with the lower die holder to prepare a workpiece; the upper die mechanism is connected with the limiting mechanism in a sliding manner, and the limiting mechanism is used for limiting and guiding the upper die mechanism; the operating mechanism is embedded in the limiting mechanism, the bottom end of the operating mechanism is rotatably connected with the upper die mechanism, and the operating mechanism is used for adjusting the position of the upper die mechanism; the first clamping mechanism and the second clamping mechanism are in threaded connection with two sides of the operating mechanism, the first clamping mechanism and the second clamping mechanism are identical in structure, and both the first clamping mechanism and the second clamping mechanism displace outwards; the first clamping mechanism and the second clamping mechanism are used for clamping and limiting the operating mechanism; the liquid adding mechanism is used for adding liquid to the lower die holder.
Specifically, stop gear includes spacing pipe and first spring, spacing pipe is located perpendicularly the surface of base, the inside bottom embedding of spacing pipe has first spring.
Specifically, the upper die mechanism comprises an upper die plate, a connecting rod and a sliding column, the upper die plate is arranged at the top of the lower die holder in parallel, the side wall of the upper die plate is fixedly connected with the sliding column through the connecting rod, the sliding column is embedded into the limiting pipe in a sliding mode, and the bottom surface of the sliding column is fixedly connected with the top end of the first spring.
Specifically, the operating mechanism comprises a first handle, a screw rod and a first connecting head, the first connecting head is rotatably connected with the top surface of the sliding column, the first connecting head is arranged at the bottom end of the screw rod, the first handle is arranged at the top end of the screw rod, the screw rod penetrates through the top end of the limiting pipe, and the screw rod and the limiting pipe are located at the same central line.
Specifically, first clamping mechanism includes splint, pull rod, installation pipe, second handle, clamp plate and second spring, splint are located the screw rod between the spacing inside pipe wall, the inner wall distribution of splint have with screw rod complex helicitic texture, splint are the arc, the lateral surface of splint is equipped with perpendicularly the pull rod, the pull rod run through in spacing pipe the second spring and the installation pipe, installation pipe vertical fixation in the outer wall of spacing pipe, the outer wall of pull rod is equipped with perpendicularly the clamp plate, the clamp plate is located the installation pipe is close to the one end of spacing pipe, the clamp plate deviates from one side of spacing pipe is fixed with the second spring, the tip of pull rod is equipped with the second handle.
Specifically, liquid feeding mechanism includes feeder hopper, runner pipe, flow distribution plate and second connector, the surface of base is equipped with the pillar, the pillar rotates to be connected the second connector, the second connector is located the bottom surface one end of flow distribution plate, the perpendicular intercommunication of top surface of flow distribution plate has the runner pipe, the top end threaded connection of runner pipe has the feeder hopper.
Specifically, the flow distribution plate is arranged between the lower die base and the upper die plate in parallel, liquid discharge holes of a mesh structure are distributed in the bottom surface of the flow distribution plate, a flow guide block which is obliquely and downwards arranged is installed at one end inside the flow distribution plate, and the flow guide block is located at the bottom end of the flow pipe.
The invention has the beneficial effects that:
(1) according to the pre-forming process of the automobile brake adjusting arm, the material distribution mold is used, and only the operating mechanism needs to be rotated in the mold closing process, so that the screw rod moves downwards along the spiral direction between the two clamping plates, and the upper mold mechanism is driven to move downwards integrally, therefore, the upper mold plate is attached to the lower mold base, the operation is simple and convenient, the structure is simple, and the production and manufacturing cost is low.
(2) The invention relates to a preforming process of an automobile brake adjusting arm, which uses a material distribution mould, wherein an upper mould plate of the material distribution mould can compress a first spring in the downward movement process, when the mould needs to be disassembled, only a clamping mechanism needs to be simultaneously pulled outwards to separate a clamping plate from a screw rod, the upper mould plate can quickly move upwards to reset under the driving of the first spring, so that the quick demoulding is realized, and a frame plate can also reset under the driving of a second spring so as to facilitate the next processing operation.
(3) According to the automobile brake adjusting arm preforming process, the material distribution mold is used, and molten liquid can be dispersed into the lower die base through the flow distribution plate with the mesh structure, so that the material distribution is more uniform, and the forming effect is better.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural diagram of a material distributing mold according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of a connection structure of the first clamping mechanism and the second clamping mechanism shown in FIG. 1;
FIG. 3 is a schematic view of the first clamping mechanism shown in FIG. 2;
FIG. 4 is a schematic view of the cleat shown in FIG. 2;
fig. 5 is a schematic structural view of the liquid adding mechanism shown in fig. 1.
In the figure: 1. the device comprises a base, 2, a lower die holder, 3, an upper die mechanism, 31, an upper die plate, 32, a connecting rod, 33, a sliding column, 4, a limiting mechanism, 41, a limiting pipe, 42, a first spring, 5, an operating mechanism, 51, a first handle, 52, a screw, 53, a first connecting head, 6, a first clamping mechanism, 61, a clamping plate, 62, a pull rod, 63, an installation pipe, 64, a second handle, 65, a pressing plate, 66, a second spring, 7, a liquid adding mechanism, 71, a feed hopper, 72, a circulating pipe, 73, a flow distribution plate, 731, a flow guide block, 732, a liquid discharge hole, 74, a second connecting head, 8, a support column, 9 and a second clamping mechanism.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 5, the process for preforming the automobile brake adjusting arm according to the present invention comprises the following steps:
s1: rotating the flow distribution plate, and rotating the flow distribution plate to be right above the top surface of the lower die base in parallel;
s2: heating the raw materials into a molten state, and enabling the molten liquid to flow into a cavity in the lower die holder through a flow distribution plate of S1;
s3: rotating the screw rod to enable the upper template to move downwards and to be attached to the lower die holder in the S2;
s4: after the molding is finished, pulling the two clamping mechanisms to separate the upper template from the lower die holder in S3;
the process uses a material distribution mould which comprises a base 1, a lower die holder 2, an upper die mechanism 3, a limiting mechanism 4, an operating mechanism 5, a first clamping mechanism 6, a liquid adding mechanism 7 and a second clamping mechanism 9; a lower die holder 2 is arranged on the top surface of the base 1, the upper die mechanism 3 is mounted at the top of the lower die holder 2, and the upper die mechanism 3 is matched with the lower die holder 2 to prepare a workpiece; the upper die mechanism 3 is connected with the limiting mechanism 4 in a sliding manner, and the limiting mechanism 4 is used for limiting and guiding the upper die mechanism 3; the operating mechanism 5 is embedded in the limiting mechanism 4, the bottom end of the operating mechanism 5 is rotatably connected with the upper die mechanism 3, and the operating mechanism 5 is used for adjusting the position of the upper die mechanism 3; the two sides of the operating mechanism 5 are in threaded connection with the first clamping mechanism 6 and the second clamping mechanism 9, the first clamping mechanism 6 and the second clamping mechanism 9 have the same structure, and both the first clamping mechanism 6 and the second clamping mechanism 9 displace outwards; the first clamping mechanism 6 and the second clamping mechanism 9 are used for clamping and limiting the operating mechanism 5; the liquid adding mechanism 7 is used for adding liquid to the lower die holder 2.
Specifically, as shown in fig. 1, the limiting mechanism 4 includes a limiting tube 41 and a first spring 42, the limiting tube 41 is vertically disposed on the surface of the base 1, and the first spring 42 is embedded in the bottom end of the interior of the limiting tube 41; the operating mechanism 5 can be driven to reset through the first spring 41, and the limiting pipe 41 can guide.
Specifically, as shown in fig. 1, the upper die mechanism 3 includes an upper die plate 31, a connecting rod 32 and a sliding column 33, the upper die plate 31 is disposed at the top of the lower die base 2 in parallel, a side wall of the upper die plate 31 is fixedly connected to the sliding column 33 through the connecting rod 32, the sliding column 33 is slidably embedded in the limiting tube 41, and a bottom surface of the sliding column 33 is fixedly connected to a top end of the first spring 42; the upper die plate 31 is used for forming, the sliding column 33 can move along the limiting pipe 41, and the sliding column 31 can compress the first spring 42.
Specifically, as shown in fig. 1 and fig. 2, the operating mechanism 5 includes a first handle 51, a screw 52 and a first connector 53, the first connector 53 is rotatably connected to the top surface of the sliding column 33, the first connector 53 is disposed at the bottom end of the screw 52, the first handle 51 is disposed at the top end of the screw 52, the screw 52 penetrates through the top end of the limiting tube 41, and the screw 52 and the limiting tube 41 are located at the same central line; the first handle 51 is rotated to rotate the screw 52 and thereby drive the die plate.
Specifically, as shown in fig. 2, 3 and 4, the first clamping mechanism 6 includes a clamping plate 61, a pull rod 62, a mounting tube 63, a second handle 64, a pressing plate 65 and a second spring 66, the clamping plate 61 is located between the screw rod 52 and the inner wall of the limiting tube 41, a thread structure matched with the screw rod 52 is distributed on the inner wall of the clamping plate 61, the clamping plate 61 is arc-shaped, the pull rod 62 is vertically arranged on the outer side surface of the clamping plate 61, the pull rod 62 penetrates through the limiting tube 41, the second spring 66 and the mounting tube 63, the mounting tube 63 is vertically fixed on the outer wall of the limiting tube 41, the pressing plate 65 is vertically arranged on the outer wall of the pull rod 62, the pressing plate 65 is located at one end of the mounting tube 63 close to the limiting tube 41, the second spring 66 is fixed on one side of the pressing plate 65 away from the limiting tube 41, the end part of the pull rod 62 is provided with the second handle 64; the second handle 64 can be pulled to move the pressure plate 65, thereby compressing the second spring 66, so that the pressure plate 65 can be retracted for clamping.
Specifically, as shown in fig. 1 and 5, the liquid adding mechanism 7 includes a feed hopper 71, a flow pipe 72, a flow distribution plate 73 and a second connector 74, a pillar 8 is disposed on the surface of the base 1, the pillar 8 is rotatably connected to the second connector 74, the second connector 74 is located at one end of the bottom surface of the flow distribution plate 73, the flow pipe 72 is vertically communicated with the top surface of the flow distribution plate 73, and the top end of the flow pipe 72 is connected to the feed hopper 71 through a screw thread; the flow distribution plate 73 is arranged between the lower die holder 2 and the upper die plate 31 in parallel, liquid discharge holes 732 with a mesh structure are distributed on the bottom surface of the flow distribution plate 73, a flow guide block 731 arranged obliquely downwards is installed at one end inside the flow distribution plate 73, and the flow guide block 731 is positioned at the bottom end of the flow pipe 72; the molten material can be dispersed into the cavity by the splitter plate 73, so that the molding effect is better.
In the process of die assembly, only the operating mechanism 5 needs to be rotated, so that the screw rod 52 moves downwards along the spiral direction between the two clamping plates 61, and the upper die mechanism 3 is driven to move downwards integrally, so that the upper die plate 31 is attached to the lower die holder 2, and the die assembly is simple and convenient to operate, simple in structure and low in production and manufacturing cost; the upper die plate 31 compresses the first spring 42 in the downward movement process, when the die needs to be removed, only a clamping mechanism needs to be pulled outwards at the same time, so that the clamping plate 61 is separated from the screw 52, the upper die plate 31 can be quickly moved upwards to reset under the driving of the first spring 42, and therefore the quick die removal is realized, and the frame plate 61 can also be reset under the driving of the second spring 66 so as to facilitate the next processing operation; the split flow plate 73 with the mesh structure can disperse the melt into the lower die holder 2, so that the material distribution is more uniform and the forming effect is better. The method specifically comprises the following steps:
(1) during processing, the diversion plate 73 is rotated to enable the second connector 74 to rotate around the pillar 8, when the diversion plate 73 rotates to the position right above the top surface of the lower die holder 2 in parallel, the rotation is stopped, then external molten liquid is guided into the feed hopper 71, then the external molten liquid is discharged into the diversion plate 73 through the feed hopper 71 and the flow pipe 72, the liquid is guided to the liquid discharge hole 732 in an inclined mode by the guide block 731, finally the molten liquid is discharged into a die cavity in the lower die holder 2 in a dispersed mode through the liquid discharge hole 732, and after the die cavity is filled with molten materials, the diversion plate 73 rotates reversely to enable the diversion plate 73 to leave the lower die holder 2;
(2) then, the first handle 51 is held to rotate the screw rod 52, so that the screw rod 52 spirally moves downwards along the two clamping plates 61, the first connecting head 53 rotates around the sliding column 33, the screw rod 52 pushes the sliding column 33 to move downwards along the limiting pipe 41, the sliding column 33 moves downwards to drive the upper template 31 to move downwards and be attached to the lower die holder 2, and the first spring 42 is compressed by the sliding column 33; the molten material can be solidified and formed under the action of the lower die holder 2 and the upper die plate 31;
(3) after the molding is finished, the two clamping mechanisms are pulled outwards at the same time, the second handle 64 is held, the pull rod 62 is pulled outwards, the press plate 65 moves along the installation pipe 63 and compresses the second spring 66, the clamp plate 31 is separated from the screw rod 52, then the lower sliding column 33 is pushed upwards under the pushing of the first spring 66, the upper template 31 is separated from the lower die holder 2, and the operation mechanism 5 is moved upwards and reset integrally; then, the second handle 64 is released, and the second spring 66 drives the clamp plate 61 to be attached to the screw 52.
In the die closing process, the screw 52 spirally moves downwards along the two clamping plates 61 only by rotating the operating mechanism 5, so that the upper die mechanism 3 is driven to integrally move downwards, and the upper die plate 31 is attached to the lower die base 2; the upper die plate 31 compresses the first spring 42 in the downward movement process, when the die needs to be removed, only a clamping mechanism needs to be pulled outwards at the same time, so that the clamping plate 61 is separated from the screw 52, the upper die plate 31 can be quickly moved upwards to reset under the driving of the first spring 42, and therefore the quick die removal is realized, and the frame plate 61 can also be reset under the driving of the second spring 66 so as to facilitate the next processing operation; the split flow plate 73 with the mesh structure can disperse the melt into the lower die holder 2, so that the material distribution is more uniform and the forming effect is better.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.