CN213763932U - Anti-deformation core melting die for crankcase casting - Google Patents

Abstract

The utility model discloses a resistance to deformation crankcase casting is with fusible core mould relates to crankcase casting technical field. The utility model discloses a die holder and upper die base, the end symmetry position is fixed with first electric putter and second electric putter respectively about the die holder, and the upper end bilateral symmetry position of die holder is fixed with the registration arm, and the outer wall of registration arm is fixed with the fixed plate, and the upper end butt of fixed plate has the mounting panel, and the upper end of mounting panel is fixed with the spring, and the lower extreme bilateral symmetry position of mounting panel is fixed with the screw rod, is fixed with the nut on the screw rod. The lower die base can be pushed to move rightwards by controlling the extension of the first electric push rod and the contraction of the second electric push rod, otherwise, the lower die base can be pushed to move leftwards by controlling the contraction of the first electric push rod and the extension of the second electric push rod, then the lower die base can be separated from the screw rod by rotating the nut downwards, then the separable positioning column of the upper die base can be moved upwards to separate the positioning tube, and finally the separable mounting plate and the positioning tube of the mounting plate can be moved upwards, so that the disassembly and maintenance are convenient.

Description

Anti-deformation core melting die for crankcase casting

Technical Field

The utility model relates to a crankcase casting technical field specifically is a resistance to deformation core melting mould for crankcase casting.

Background

The lower part of the cylinder block, where the crankshaft is mounted, is called the crankcase, which is cast integrally with the cylinder block, and includes an upper crankcase, which stores lubricating oil and closes the upper crankcase, and is also called the sump. The oil pan is stressed little and is generally stamped from sheet steel, and its shape depends on the overall layout of the engine and the capacity of the engine oil. An oil stabilizing baffle is arranged in the oil sump to prevent the oil level from fluctuating too much when the automobile is jolt. The bottom of the oil pan is also provided with an oil drain plug, and a permanent magnet is usually arranged on the oil drain plug to adsorb metal chips in lubricating oil and reduce the abrasion of an engine. Gaskets are provided between the mating surfaces of the upper and lower crankcases to prevent leakage of lubricating oil. At present, a fusible core precision casting crankcase is provided, but the crankcase casting obtained in the practical production process of the applicant has large deformation, a crankshaft hole system and a camshaft hole system can not be processed frequently, and the crankcase is easy to deform after being used for a long time after being machined, so that a fusible core die for deformation-resistant crankcase casting is designed.

At present, current resistance to deformation is fusible core mould for crankcase casting all has shock attenuation buffer structure, can reduce wearing and tearing greatly, but can not dismantle, consuming time power, and can not automatic movement, the practicality is not good, and the limitation is great, can't satisfy the demand in the in-service use, so urgent need can the modified technique on the market to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For the technical problem who exists among the solution background art, the utility model provides a resistance to deformation core melting mould for crankcase casting has the characteristics that can dismantle buffer structure and automatically move.

(II) technical scheme

For solving the technical problem, the utility model provides a resistance to deformation crankcase casting is with fusible core mould, including base, die holder and upper die base, the spout has been seted up to the upper end of base, and the base passes through spout and the fixed slider sliding connection of die holder lower extreme, the end symmetry position is fixed with first electric putter and second electric putter respectively about the die holder, the upper end bilateral symmetry position of die holder is fixed with the registration arm, and the outer wall of registration arm is fixed with the fixed plate, the upper end butt joint of fixed plate has the mounting panel, and the upper end of mounting panel is fixed with the spring, the spring cup joints with the registration arm, the lower extreme bilateral symmetry position of mounting panel is fixed with the screw rod, is fixed with the nut on the screw rod.

Furthermore, the first electric push rod and the second electric push rod are fixedly connected with the base through bolts.

Further, the upper end of base is fixed with the controller, the output of controller and first electric putter and second electric putter's input electric connection.

Furthermore, positioning columns are fixed at the left-right symmetrical positions of the lower end of the lower die base and are connected with the positioning pipes in a sleeved mode.

Furthermore, a round hole is formed in the middle of the mounting plate, and the mounting plate is connected with the positioning pipe in a sleeved mode through the round hole.

Furthermore, the outer wall of the screw rod is provided with threads, and the screw rod penetrates through a mounting hole formed in the fixing plate and then is fixedly connected with the nut through the threads.

The above technical scheme of the utility model has following profitable technological effect: the utility model is provided with a base which is connected with a sliding block fixed at the lower end of a lower die base in a sliding way through a sliding groove, a first electric push rod and a second electric push rod are respectively fixed at the symmetrical left and right ends of the lower die base, the first electric push rod and the second electric push rod have the function of extension, when in use, the first electric push rod and the second electric push rod are controlled to extend and contract, the lower die base can be pushed to move rightwards, otherwise, the first electric push rod and the second electric push rod are controlled to retract and extend, the lower die base can be pushed to move leftwards, the sliding block can move in the sliding groove of the base during moving, the sliding block is convenient to use, then a screw rod is fixed at the symmetrical left and right ends of the lower end of a mounting plate, the screw rod passes through a mounting hole arranged on a fixing plate and is fixedly connected with a nut, the screw rod can be completely separated through a downward rotating nut, then the upper die base is moved upwards, a separable positioning column is separated from a positioning pipe, and finally, the mounting plate is moved upwards to separate the mounting plate and the positioning pipe, so that the dismounting effect can be achieved, and the replacement and maintenance are convenient.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the slider of the present invention;

fig. 3 is an enlarged view of a structure a in fig. 1 according to the present invention.

Reference numerals:

1. a base; 2. a chute; 3. a first electric push rod; 4. a second electric push rod; 5. a lower die holder; 6. a slider; 7. an upper die holder; 8. a positioning tube; 9. a positioning column; 10. a spring; 11. mounting a plate; 12. a circular hole; 13. a fixing plate; 14. mounting holes; 15. a screw; 16. a nut; 17. and a controller.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Referring to fig. 1-3, the utility model relates to a core melting die for casting a deformation-resistant crankcase, which comprises a base 1, a lower die holder 5 and an upper die holder 7, wherein the upper end of the base 1 is provided with a chute 2, the base 1 is slidably connected with a slide block 6 fixed at the lower end of the lower die holder 5 through the chute 2, the lower die holder 5 can horizontally move on the base 1 through the cooperation of the chute 2 and the slide block 6, the position of the lower die holder 5 is convenient to adjust, the left and right symmetrical positions of the lower die holder 5 are respectively fixed with a first electric push rod 3 and a second electric push rod 4, the first electric push rod 3 and the second electric push rod 4 both have the function of extension and retraction, the lower die holder 5 is convenient to drive to horizontally move through the extension and retraction of the first electric push rod 3 and the second electric push rod 4, the left and right symmetrical positions at the upper end of the lower die holder 5 are fixed with a positioning tube 8, the outer wall of the positioning tube 8 is fixed with a fixing plate 13, the upper end of the fixing plate 13 is abutted with a mounting plate 11, and the upper end of mounting panel 11 is fixed with spring 10, spring 10 cup joints with registration arm 8, spring 10 is a mechanical part that utilizes elasticity to come work, elasticity through spring 10 makes and has the effect of shock attenuation buffering between lower die holder 5 and the upper die base 7, can reduce wearing and tearing greatly, increase life, the lower extreme bilateral symmetry position of mounting panel 11 is fixed with screw rod 15, be fixed with nut 16 on the screw rod 15, can fix screw rod 15 on fixed plate 13 through nut 16, be convenient for installation dismantlement mounting panel 11 and spring 10.

As shown in fig. 1, the first electric push rod 3 and the second electric push rod 4 are both fixedly connected to the base 1 through bolts, and the first electric push rod 3 and the second electric push rod 4 can be fixed to the base 1 through the bolts, so that the first electric push rod 3 and the second electric push rod 4 can be conveniently mounted and dismounted.

Wherein as shown in fig. 1, the upper end of the base 1 is fixed with a controller 17, the output end of the controller 17 is electrically connected with the input ends of the first electric push rod 3 and the second electric push rod 4, and the controller 17 can control the first electric push rod 3 and the second electric push rod 4 to stretch.

As shown in FIG. 1, positioning columns 9 are fixed at the left-right symmetrical positions of the lower end of the lower die holder 5, the positioning columns 9 are connected with the positioning tubes 8 in a sleeved mode, the positioning effect is achieved through the sliding of the positioning columns 9 and the positioning tubes 8, and the accuracy is improved.

As shown in fig. 3, a circular hole 12 is formed in the middle of the mounting plate 11, the mounting plate 11 is connected with the positioning tube 8 through the circular hole 12 in a sleeved manner, and the mounting plate 11 can be fixed on the positioning tube 8 through the circular hole 12.

As shown in fig. 3, the outer wall of the screw 15 is provided with a thread, the screw 15 passes through the mounting hole 14 formed in the fixing plate 13 and then is fixedly connected with the nut 16 through the thread, and the nut 16 can be fixed on the screw 15 through the thread, so that the fixing is facilitated.

The working principle is as follows: when moving, the controller 17 can control the first electric push rod 3 to extend and the second electric push rod 4 to contract, the first electric push rod 3 and the second electric push rod 4 can drive the lower die holder 5 to move horizontally and rightwards, the controller 17 controls the first electric push rod 3 to contract and the second electric push rod 4 to extend, the first electric push rod 3 and the second electric push rod 4 can drive the lower die holder 5 to horizontally move leftwards and move to a proper position, the upper die base 7 can contact with the spring 10 when moving downwards, the elasticity of the spring 10 can absorb shock and buffer, when the upper die base is disassembled, the nut 16 is firstly rotated downwards until the nut 16 is completely separated from the screw rod 15, then the upper die holder 7 is moved upwards until the positioning columns 9 at the lower end of the upper die holder 7 are completely separated from the positioning pipes 8, then the mounting plate 11 is moved upwards until the mounting plate 11 is completely separated from the positioning pipes 8, and then the mounting plate 11 and the springs 10 can be disassembled.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims (6)

1. The utility model provides a resistance to deformation core melting mould for crankcase casting, includes base (1), die holder (5) and upper die base (7), its characterized in that: spout (2) have been seted up to the upper end of base (1), and base (1) is through spout (2) and fixed slider (6) sliding connection of die holder (5) lower extreme, the end symmetry position is fixed with first electric putter (3) and second electric putter (4) respectively about die holder (5), the upper end bilateral symmetry position of die holder (5) is fixed with registration arm (8), and the outer wall of registration arm (8) is fixed with fixed plate (13), the upper end butt joint of fixed plate (13) has mounting panel (11), and the upper end of mounting panel (11) is fixed with spring (10), spring (10) cup joint with registration arm (8), the lower extreme bilateral symmetry position of mounting panel (11) is fixed with screw rod (15), is fixed with nut (16) on screw rod (15).

2. The core-melting die for the deformation-resistant crankcase casting according to claim 1, wherein the first electric push rod (3) and the second electric push rod (4) are fixedly connected with the base (1) through bolts.

3. The core-melting die for the deformation-resistant crankcase casting according to claim 1, wherein a controller (17) is fixed at the upper end of the base (1), and the output end of the controller (17) is electrically connected with the input ends of the first electric push rod (3) and the second electric push rod (4).

4. The core melting die for the deformation-resistant crankcase casting according to claim 1, wherein positioning columns (9) are fixed at left-right symmetrical positions of the lower end of the lower die holder (5), and the positioning columns (9) are connected with positioning pipes (8) in a sleeved mode.

5. The core melting die for the deformation-resistant crankcase casting according to claim 1, wherein a round hole (12) is formed in the middle of the mounting plate (11), and the mounting plate (11) is connected with the positioning pipe (8) in a sleeved mode through the round hole (12).

6. The core melting die for the deformation-resistant crankcase casting according to claim 1, wherein the outer wall of the screw rod (15) is provided with threads, and the screw rod (15) is fixedly connected with the nut (16) through the threads after passing through the mounting hole (14) formed in the fixing plate (13).

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