Disassembling and assembling structure of automobile crankshaft mold

Abstract

The utility model discloses a disassembly and assembly structure of an automobile crankshaft mould, which comprises an upper mould base, an upper mould plate and a driving column body, the middle part of the top surface of the upper mould base is vertically and fixedly connected with the driving column body, the bottom surface of the upper mould base is vertically provided with a storage groove, and the upper mould plate is positioned in the storage groove in a vertical sliding fit manner; disassembly and assembly combination assemblies are installed on the two sides of the top face of the upper die base and are partially fixed to the corresponding side portions of the top face of the upper die plate. The die has the beneficial effects that after the upper die plate is arranged in the storage groove in the bottom surface of the upper die base in a vertical sliding fit manner, the upper die plate and the upper die base can be detachably and quickly combined together in a manner that a matching seat of the disassembly and assembly combination assembly is in vertical sliding fit with a matching groove and an insertion block is in transverse sliding fit with an insertion groove; the fixed combination mode of the upper die plate and the upper die base is simple and easy to achieve, and therefore the upper die plate and the upper die base can be accurately assembled together to be used for forging the automobile crankshaft.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile crankshaft die auxiliary assembly, specifically relates to the dismounting structure of automobile crankshaft die. BACKGROUND

[0002] The crankshaft is the most important component in the engine, it bears the force from the connecting rod, and changes it into the torque through the crankshaft output and drives other accessories on the engine to work, the crankshaft is acted on by the centrifugal force of rotating mass, the periodically changing gas inertial force and the reciprocating inertial force, makes the crankshaft bear the bending torsional load, therefore requires that the crankshaft has enough strength and rigidity, the journal surface needs to be wear-resistant, uniform in work, and good in balance.

[0003] The crankshaft can be processed by casting or forging, the casting forming is relatively easy, the forging forming process is complex, but in recent years, the development of technology, the emergence of large hydraulic press makes the forging of the workpiece below 200kg possible, the forging organization can eliminate the material organization defects, therefore, the automobile crankshaft is usually made by forging,

[0004] In the process of forging the automobile crankshaft, the blank needs to be in the forging die, and when the upper die plate and the upper die seat are assembled, since the volume of the upper die plate is large, the process of assembling the upper die plate to the upper die seat is not only troublesome, but also prone to deviation of the assembly position, which causes the subsequent forging quality of the crankshaft to be poor. UTILITY MODEL CONTENTS

[0005] The utility model discloses a dismounting structure of automobile crankshaft die, including upper die seat, upper die plate and drive column body, the upper die seat's top surface middle part is vertically fixed with drive column body, the bottom surface of upper die seat is vertically set up and has the thing groove, and the upper die plate is located in the thing groove with vertical sliding fit mode, the fixed combination mode of upper die plate and upper die seat is simple and easy to realize, see the elaboration below.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The utility model provides a dismounting structure of automobile crankshaft die, including upper die seat, upper die plate and drive column body, the upper die seat's top surface middle part is vertically fixed with drive column body, the bottom surface of upper die seat is vertically set up and has the thing groove, and the upper die plate is located in the thing groove with vertical sliding fit mode,

[0008] The both sides of the top surface of the upper die seat are provided with dismounting and combination assemblies, the dismounting and combination assemblies are fixed on the corresponding sides of the top surface of the upper die plate, and the upper die plate is detachably connected with the upper die seat through the dismounting and combination assemblies.

[0009] As preferred, the top surface of the upper die plate is in contact with the top of the storage groove, and the bottom surface of the upper die plate is not lower than the bottom surface of the upper die seat.

[0010] As preferred, positioning holes are vertically arranged on the front and back positions of the top surface of the upper die seat, and the positioning holes are through holes in the vertical direction; positioning columns are vertically fixed on the front and back positions of the top surface of the upper die plate, and the positioning columns and the positioning holes are respectively matched and coaxially slidingly fitted.

[0011] As preferred, the dismounting and assembling assembly comprises a matching seat, a matching groove and a fixing seat; the top surface of the upper die plate is vertically fixed with the matching seat on both sides; the top surface of the upper die seat is vertically provided with the matching groove on both sides, and the matching groove and the matching seat are one-to-one corresponding and vertically slidingly fitted; the part of the matching seat protruding from the top end of the matching groove is provided with an insertion slot in the horizontal direction, and the insertion slot is a through slot in the horizontal direction; the top surface of the upper die seat is vertically fixed with the fixing seat on both sides at the positions corresponding to the outside of the matching seat, and the fixing seat on both sides is inserted with an insertion block in the horizontal sliding fitting mode, and the end of the insertion block on both sides close to each other is horizontally slidingly fitted with the corresponding insertion slot.

[0012] As preferred, the insertion block is a rectangular block, the insertion slot is a rectangular slot, and the vertical length of the insertion slot is greater than the vertical length of the insertion block.

[0013] As preferred, the top surface of the insertion block is vertically provided with a matching hole at the position corresponding to the insertion slot; the top surface of the matching seat is vertically provided with a mounting hole, and the mounting hole is a through hole and vertically coaxially matched with the corresponding matching hole on the side; the mounting hole is vertically inserted with a compression stud in the screw fitting mode, and the bottom of the compression stud is inserted into the corresponding matching hole in the vertical sliding fitting mode.

[0014] As preferred, the top end of the compression stud is coaxially fixed with a hand wheel for convenient holding.

[0015] As preferred, the part of the compression stud between the top surface of the matching seat and the hand wheel is coaxially engaged with a locking nut.

[0016] As preferred, the outer end of the insertion block on both sides away from each other is provided with a handle for convenient holding.

[0017] The upper die plate and the upper die base can be quickly combined together in a detachable manner through the vertical sliding fit of the matching seat and the matching groove of the dismounting and combining assembly and the horizontal sliding fit of the plug and the plug groove after the upper die plate is placed in the placing groove at the bottom surface of the upper die base in a vertical sliding fit manner, and the fixed combination of the upper die plate and the upper die base is simple and easy to realize, so that the upper die plate and the upper die base can be accurately assembled together for the forging of the automobile crankshaft.

[0018] The upper die plate and the upper die base can be quickly combined together in a detachable manner through the vertical sliding fit of the matching seat and the matching groove of the dismounting and combining assembly and the horizontal sliding fit of the plug and the plug groove after the upper die plate is placed in the placing groove at the bottom surface of the upper die base in a vertical sliding fit manner, and the fixed combination of the upper die plate and the upper die base is simple and easy to realize, so that the upper die plate and the upper die base can be accurately assembled together for the forging of the automobile crankshaft.

[0019] After the plug and the plug groove are horizontally fitted, the plug groove can be vertically lifted along the plug through the mode that the bottom end of the compression stud is screwed against the bottom of the matching hole and then continues to be screwed, and then the top surface of the upper die plate can be stably attached to the top of the placing groove of the upper die base through the mode that the plug groove vertically slides along the plug, so that a gap between the top surface of the upper die plate and the top of the placing groove is prevented, and then the upper die plate is prevented from being out of synchronization with the upper die base during the forging of the crankshaft, and the fitting state of the plug and the plug groove is prevented from being vertically impacted.

[0020] 3, only need to twist the compression stud out of the fitting hole, the plug can be transversely out of the slot, and then the upper mold plate and the upper mold base can be separated from each other by the cooperation of the seat along the fitting groove vertically sliding, the disassembly mode of the upper mold plate and the upper mold base is simple and easy to realize, thereby facilitating the maintenance after the upper mold plate and the upper mold base are separated from each other. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0022] Figure 1 is the overall axis measurement schematic diagram of the present application;

[0023] Figure 2 is the overall axis measurement schematic diagram of the present application Figure 1 ; Figure 1

[0024] Figure 3 is the overall axis measurement schematic diagram of the present application Figure 2 ;

[0025] Figure 4 is the overall axis measurement schematic diagram of the present application Figure 1 ; Figure 2

[0026] Figure 5 is the overall axis measurement schematic diagram of the present application Figure 4 ;

[0027] Figure 6 is the overall axis measurement schematic diagram of the present application Figure 1 ; Figure 3

[0028] Figure 7 is the overall axis measurement schematic diagram of the present application Figure 1 ;

[0029] Figure 8 is the overall axis measurement schematic diagram of the present application Figure 1 ;

[0030] Figure 9 is the overall axis measurement schematic diagram of the present application Figure 1 ;

[0031] Figure 10 is the overall axis measurement schematic diagram of the present application Figure 1 .

[0032] The reference signs are explained as follows:​​​

[0033] 1, drive column body; 2, upper die holder; 201, storage groove; 202, positioning hole; 3, disassembly and assembly assembly; 301, fixed seat; 302, handle; 303, matching seat; 304, matching groove; 305, hand wheel; 306, compression stud; 307, locking nut; 308, plug; 309, slot; 3010, mounting hole; 3011, matching hole; 4, upper die plate; 401, positioning column. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the technical scheme of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of the utility model.

[0035] See Figures 1-10The utility model provides a dismounting structure of automobile crankshaft mould, including upper die seat 2, upper die plate 4 and drive column body 1, the top surface middle part of upper die seat 2 is vertically fixedly connected with drive column body 1, the bottom surface of upper die seat 2 is vertically provided with the article groove 201, and upper die plate 4 is in vertical sliding fit mode in the article groove 201, both sides of the top surface of upper die seat 2 are provided with dismounting combination subassembly 3, and the dismounting combination subassembly 3 is partially fixed on the corresponding side of the top surface of upper die plate 4, and upper die plate 4 is detachably connected together with upper die seat 2 through the dismounting combination subassembly 3, specifically, the dismounting combination subassembly 3 includes cooperation seat 303, cooperation groove 304 and fixed seat 301, both sides of the top surface of upper die plate 4 are vertically fixed with cooperation seat 303, both sides of the top surface of upper die seat 2 are vertically provided with cooperation groove 304, and cooperation groove 304 and cooperation seat 303 are one-to-one corresponding and vertically sliding fit, the part of cooperation seat 303 extending out the top end of corresponding cooperation groove 304 is all provided with insertion slot 309 along the transverse, and insertion slot 309 is all through slot in the transverse, the top surface of upper die seat 2 is vertically fixed with fixed seat 301 at the position of the outside of corresponding cooperation seat 303, and the fixed seat 301 of both sides positions is inserted with insertion block 308 in the transverse sliding fit mode, and the end portion of insertion block 308 of both sides positions is close to each other and is transversely sliding fit with corresponding insertion slot 309, and the purpose of this arrangement is that after upper die plate 4 is placed in the article groove 201 of the bottom surface of upper die seat 2 in vertical sliding fit mode, the upper die plate 4 and upper die seat 2 can be quickly combined together detachably through the vertical sliding fit of cooperation seat 303 and cooperation groove 304 and the transverse sliding fit of insertion block 308 and insertion slot 309, and the upper die plate 4 and upper die seat 2 can be separated from each other through the vertical sliding of cooperation seat 303 along cooperation groove 304 after insertion block 308 is transversely separated from insertion slot 309, and the fixed combination and disassembly mode of upper die plate 4 and upper die seat 2 is simple and easy to realize.

[0036] Referring to Figures 1-6 As shown, the upper die seat 2, the upper die plate 4 and the dismounting combination subassembly 3 are respectively optimized as follows, and specifically to the upper die seat 2 and the upper die plate 4, the top surface of the upper die plate 4 is in contact with the groove top of the article groove 201, and the bottom surface of the upper die plate 4 is not lower than the bottom surface of the upper die seat 2, so that after the upper die plate 4 is matched with the article groove 201, the bottom surface of the upper die seat 2 does not interfere with the normal use of the upper die plate 4. At the same time, optionally, the front and rear positions of one side of the top surface of the upper die seat 2 are vertically provided with positioning holes 202, and the positioning holes 202 are through holes in the vertical direction, and the front and rear positions of one side of the top surface of the upper die plate 4 are vertically fixed with positioning columns 401, and the positioning columns 401 and the positioning holes 202 are respectively matched and coaxially sliding fit, so that the upper die plate 4 and the article groove 201 have good foolproof design in the vertical sliding fit process through the vertical sliding fit of the positioning columns 401 and the positioning holes 202, to prevent the installation direction of the upper die plate 4 from being wrong.

[0037] And specific to disassembly and assembly assembly 3, plug 308 are rectangular blocks, and the plug 309 are rectangular slots, and the vertical length of the plug 309 is greater than the vertical length of the plug 308, the top surface of the plug 308 is vertically provided with a matching hole 3011 in the part located in the plug 309, and the top surface of the matching seat 303 is vertically provided with a mounting hole 3010, the mounting hole 3010 is a through hole and is vertically coaxial with the corresponding side of the matching hole 3011, the mounting hole 3010 is vertically inserted with a compression stud 306 in a threaded fitting manner, and the bottom of the compression stud 306 is inserted into the corresponding matching hole 3011 in a vertical sliding fitting manner, which sets the effect that after the plug 308 and the plug 309 are transversely matched, the compression stud 306 is twisted and the force is continued to be twisted after the bottom end of the compression stud 306 is pressed against the hole bottom of the matching hole 3011, which can make the plug 309 vertically slide up along the plug 308, and then the top surface of the upper die plate 4 and the top of the storage groove 201 of the upper die seat 2 can be stably matched by the plug 309 vertically sliding up along the plug 308, preventing the gap between the top surface of the upper die plate 4 and the top of the storage groove 201.

[0038] Further, the top end of the compression stud 306 is coaxially fixed with a hand wheel 305 for convenient holding, so as to twist the compression stud 306 by holding the hand wheel 305. The part of the compression stud 306 between the top surface of the corresponding matching seat 303 and the hand wheel 305 is coaxially engaged with a locking nut 307, which is convenient to twist the compression stud 306 to drive the upper die plate 4 to rise to the top surface contacting the top of the storage groove 201, and then the locking nut 307 is tightened to press the top surface of the matching seat 303, which can lock the compression stud 306 from rotating, preventing the compression stud 306 from rotating naturally. Meanwhile, the outer end of the plug 308 away from each other on both sides is provided with a handle 302 for convenient holding, so as to drive the plug 308 to transversely slide by holding the handle 302.

[0039] With the above structure, specifically to the upper die holder 2 and the upper die plate 4 of the automobile crankshaft die, in the assembling process, the upper die plate 4 is placed in the placing groove 201 on the bottom surface of the upper die holder 2 in a vertical sliding fit manner, and the upper die plate 4 and the upper die holder 2 can be quickly combined together in a detachable manner through the vertical sliding fit of the fitting seat 303 and the fitting groove 304 and the horizontal sliding fit of the plug 308 and the plug groove 309 of the disassembling assembly 3, the fixed combination of the upper die plate 4 and the upper die holder 2 is simple to realize, so that the upper die plate 4 and the upper die holder 2 can be accurately assembled together for the forging of the automobile crankshaft, and when the plug 308 and the plug groove 309 are horizontally fitted, the plug groove 309 can be vertically slid upward along the plug 308 by continuing to apply force to the tightening stud 306, and then the top surface of the upper die plate 4 can be stably fitted with the top of the placing groove 201 of the upper die holder 2, so as to prevent a gap between the top surface of the upper die plate 4 and the top of the placing groove 201, thereby avoiding the situation that the upper die plate 4 is out of synchronization with the upper die holder 2 during the forging of the crankshaft, and avoiding the impact on the vertical fit of the plug 308 and the plug groove 309, and when the upper die holder 2 and the upper die plate 4 are disassembled, the plug 308 can be horizontally pulled out of the plug groove 309 by horizontally sliding the plug 308 out of the plug groove 309 after the tightening stud 306 is pulled out of the fitting hole 3011 by holding the hand wheel 305, and then the upper die plate 4 and the upper die holder 2 can be separated from each other by vertically sliding the fitting seat 303 along the fitting groove 304, so that the upper die plate 4 and the upper die holder 2 can be easily separated for maintenance.

[0040] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A dismounting structure of a crankshaft die for an automobile, comprising an upper die seat (2), an upper die plate (4) and a driving column body (1), the driving column body (1) being vertically fixed in the middle of the top surface of the upper die seat (2), characterized in that: The bottom surface of the upper die holder (2) is vertically provided with a storage groove (201), and the upper die plate (4) is vertically and slidingly arranged in the storage groove (201); Both sides of the top surface of the upper die holder (2) are provided with dismounting and assembling assemblies (3), which are partially fixed to the corresponding sides of the top surface of the upper die plate (4), and the upper die plate (4) is detachably connected with the upper die holder (2) through the dismounting and assembling assemblies (3).

2. The structure for disassembling and assembling the automobile crank mold according to claim 1, wherein: The top surface of the upper die plate (4) is in contact with the top of the storage groove (201), and the bottom surface of the upper die plate (4) is not lower than the bottom surface of the upper die holder (2).

3. The structure for disassembling and assembling the automobile crank mold according to claim 1, wherein: The front and rear positions of one side of the top surface of the upper die holder (2) are vertically provided with positioning holes (202), which are through holes in the vertical direction, and the front and rear positions of one side of the top surface of the upper die plate (4) are vertically fixed with positioning columns (401), which are respectively coaxially and slidingly matched with the positioning holes (202).

4. The structure for disassembling and assembling the mold for the automobile crankshaft according to claim 1, 2 or 3, wherein: The dismounting and assembling assemblies (3) each include a matching seat (303), a matching groove (304) and a fixing seat (301), the top surface of the upper die plate (4) is vertically fixed with the matching seat (303) on both sides, the top surface of the upper die holder (2) is vertically provided with the matching groove (304) on both sides, which is vertically and slidingly matched with the matching seat (303), and the part of the matching seat (303) extending out of the top end of the matching groove (304) is provided with an insertion groove (309) in the horizontal direction, which is a through groove in the horizontal direction, the top surface of the upper die holder (2) is vertically fixed with the fixing seat (301) at the position corresponding to the outside of the matching seat (303), and the fixing seat (301) at the position on both sides is inserted with an insertion block (308) in a horizontal sliding manner, and the end portions of the insertion blocks (308) close to each other are horizontally and slidingly matched with the corresponding insertion grooves (309).

5. The structure for disassembling the automobile crank mold according to claim 4, wherein: The insertion blocks (308) are rectangular blocks, the insertion grooves (309) are rectangular grooves, and the vertical length of the insertion grooves (309) is greater than the vertical length of the insertion blocks (308).

6. The structure for disassembling and assembling the automobile crank mold according to claim 5, wherein: The top surface of the insertion block (308) is vertically provided with a matching hole (3011) at the position of the insertion groove (309), the top surface of the matching seat (303) is vertically provided with a mounting hole (3010), which is a through hole and vertically coaxially matched with the matching hole (3011) of the corresponding side, the mounting hole (3010) is vertically inserted with a compression stud (306) in a threaded matching manner, and the bottom of the compression stud (306) is inserted into the corresponding matching hole (3011) in a vertical sliding manner.

7. The structure for disassembling and assembling the automobile crank mold according to claim 6, wherein: The top end of the compression stud (306) is coaxially fixed with a hand wheel (305) for convenient holding.

8. The structure for disassembling the automobile crank mold according to claim 7, wherein: The pressing stud (306) is coaxially engaged with a locking nut (307) between the top surface of the matching seat (303) and the hand wheel (305).

9. The knockdown structure of the automobile crank mold according to claim 6, 7 or 8, wherein: The outer ends of the two side positions of the plug-in block (308) are each provided with a handle (302) for convenient holding.

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