CN218946068U - Semi-finished stamping die for production of automobile water pump impeller - Google Patents

Abstract

The utility model belongs to the field of application equipment of water pump impeller production technology, and particularly relates to a semi-finished product stamping die for automobile water pump impeller production, which comprises a stamping die body for impeller trimming, wherein the stamping die body comprises an upper die and a lower die, the upper die comprises a round table, the lower end of the round table is provided with a sleeve, a die pressing groove is formed in the sleeve, a grooved column which plays a grooved role is formed between two adjacent die pressing grooves, the lower die comprises a base, the upper end of the base is provided with a bearing module, the bearing module comprises a disc, the upper end of the disc is provided with a forming die, the geometric center of the bearing module is provided with a through hole, the base is provided with a positioning column coaxial with the through hole, the periphery of the lower end of the sleeve is provided with a cutting knife, and the periphery of the disc corresponding to the cutting knife is provided with an adaptation groove. The utility model has reasonable design and simple structure, can effectively reduce the operation difficulty, lighten the labor intensity, improve the working process and meet the use requirement.

Description

Semi-finished stamping die for production of automobile water pump impeller

Technical Field

The utility model belongs to the field of application equipment of water pump impeller production technology, and particularly relates to a semi-finished product stamping die for automobile water pump impeller production.

Background

A large water circulation system is formed by connecting a plurality of water channels for cooling water circulation in a cylinder body of an automobile engine with a radiator (commonly called a water tank) arranged at the front part of the automobile through a water pipe, a water pump is arranged at an upper water outlet of the engine, and is driven by a fan belt to pump hot water in the water channel of the cylinder body of the engine and pump cold water. A thermostat is arranged beside the water pump, when the automobile is just started (cold automobile), the thermostat is not opened, so that cooling water does not pass through the water tank, and the thermostat is opened only when the temperature of the engine reaches more than 95 ℃ in an engine circulation (commonly called small circulation), hot water in the engine is pumped into the water tank, and cold air in the front of the automobile blows through the water tank to take away heat.

The impeller is a core component of the water pump and plays a main role, the shape and the size of the impeller of the water pump are closely related to the performance of the water pump, and the impeller is a main influencing element of the working efficiency.

At present, in an impeller production factory building, the specific processing technology comprises the following steps: the material workpiece for manufacturing the impeller is cut into a proper circle, the geometric center of the material workpiece is punched to form a bulge, the bulge is used as a hub part of the impeller, the upper end of the bulge is cut to form a semi-finished product of an impeller blank, and then the blank is subjected to grooving, trimming and other working procedures by means of a machine tool and milling machine in the prior art to form a blade structure of the impeller.

Disclosure of Invention

Aiming at the technical problems, the utility model provides the semi-finished product stamping die for producing the automobile water pump impeller, which has the advantages of reasonable design, simple structure, convenient processing, capability of effectively reducing the operation difficulty, reducing the labor intensity and the workload of people, conveniently finishing the slotting and the trimming of the impeller, improving the working process and meeting the use requirements.

In order to achieve the above purpose, the technical scheme adopted by the utility model is that the semi-finished product stamping die for producing the impeller of the automobile water pump comprises a stamping die body for trimming the impeller, the stamping die body comprises an upper die and a lower die, the upper die comprises a round table, the lower end of the round table is provided with a sleeve, a die pressing groove is formed in the sleeve, a grooved column which plays a grooved role is formed between two adjacent die pressing grooves, the lower die comprises a base, the upper end of the base is provided with a bearing module, the bearing module comprises a disc, the upper end of the disc is provided with a forming die, the geometric center of the bearing module is provided with a through hole, the base is provided with a positioning column coaxial with the through hole, the periphery of the lower end of the sleeve is provided with a cutting knife, and the periphery of the disc corresponding to the cutting knife is provided with an adaptation groove.

Preferably, a connector is arranged at the upper end of the round table, the forming dies are correspondingly matched with the die pressing grooves, and a punching groove matched with the grooved column is formed between every two adjacent forming dies.

Preferably, one end of the cutting knife, which has a cutting function, is in a wedge-shaped design, and correspondingly, the lower end in the adapting groove is also in a wedge-shaped design.

Preferably, the upper end surface of the base is provided with a limit groove in a stepped design, a countersink is further formed in a disc at the periphery of the forming die, and a connecting screw rod is arranged in the countersink and connected with the base.

Preferably, the upper end face of the positioning column and the upper end face of the forming die are on the same horizontal plane.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the semi-finished product stamping die for producing the impeller of the automobile water pump, provided by the utility model, through the upper die and the lower die, the grooving and trimming procedures of the semi-finished product of the impeller are effectively completed by utilizing the designs of the die pressing groove, the grooving column, the forming die and the punching groove, the working mode is convenient and quick to process and rapid to mold, the processing of impeller workpieces is convenient to complete, the labor intensity and the workload of people are reduced, and the use requirement is met; the locating column plays a role in limiting the workpiece, prevents the workpiece from shifting and ensures the molding quality of the product; the cutting-off knife can be used for cutting off the leftover materials after stamping the workpiece in a segmented manner, so that the cutting-off is convenient, and the production and processing work is effectively completed; the device has reasonable design, simple structure, convenient processing and capability of effectively reducing the operation difficulty, lightens the labor intensity and the workload of people, conveniently completes the grooving and trimming treatment of the impeller, improves the working process and meets the use requirement.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.

FIG. 1 is a schematic structural view of a semi-finished stamping die for producing an automobile water pump impeller;

FIG. 2 is a schematic structural view of a semi-finished stamping die for producing automobile water pump impellers at another view angle;

FIG. 3 is an exploded view of a part of the lower die;

FIG. 4 is a schematic view of the top mold at another view angle;

FIG. 5 is a bottom view of the upper mold structure;

fig. 6 is a schematic structural view of a semi-finished product stamping die for producing an automobile water pump impeller in a use state;

fig. 7 is a schematic structural view of the impeller after being formed by stamping;

in the above figures, 1, a stamping die body; 2. an upper die; 21. round bench; 22. a sleeve; 221. a die pressing groove; 3. a lower die; 31. a base; 311. a limit groove; 32. a disc; 321. a countersunk hole; 33. forming a mold; 34. a through hole; 35. notching; 4. a grooved column; 5. positioning columns; 6. a cutting knife; 7. an adaptation groove; 8. a connector; 9. and (5) connecting a screw rod.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, and fig. 7, an embodiment of a semi-finished stamping die for producing an impeller of an automobile water pump includes a stamping die body 1 for trimming an impeller, which is used in cooperation with a press in the prior art to ensure effective implementation of stamping action, specifically, the stamping die body 1 includes an upper die 2 and a lower die 3, and, of course, in order to ensure that the lower die 3 is placed on the press to have good stability, one can utilize a clamp in the prior art, such as a TDA40F series wrench clamp, to press and abut against a base 31 of the die to prevent the offset, the upper die 2 includes a round table 21, a sleeve 22 is disposed at the lower end of the round table 21, a die groove 221 is formed in the sleeve 22, and a grooved post 4 serving as an opening groove is formed between two adjacent die grooves 221, specifically described as follows: the die pressing grooves 221 are of a petal-shaped design, convenience is provided for the follow-up flanging and bending actions of the impeller, the grooving columns 4 are used for realizing grooving treatment on impeller workpieces, six grooving columns 4 are arranged, effective molding of each impeller blade is ensured, and the molding effect of a product is improved; further, the lower die 3 comprises a base 31, a bearing module is arranged at the upper end of the base 31, the bearing module comprises a disc 32, a forming die 33 is arranged at the upper end of the disc 32, the forming die 33 is also in a petal-shaped design and is matched with a die pressing groove 221 for bearing each blade part formed by an impeller, the forming effect is ensured, a through hole 34 is formed in the geometric center of the bearing module, and a positioning column 5 coaxial with the through hole 34 is arranged on the base 31 and can well position and limit a workpiece to a certain extent, so that the workpiece is prevented from shifting in the stamping process; in order to effectively remove the impeller stamping scraps, the periphery of the lower end of the sleeve 22 is provided with a cutting knife 6, the periphery of a disc 32 corresponding to the cutting knife 6 is provided with an adapting groove 7, and further, the cutting knives 6 are arranged in an annular and uniform manner, so that the scraps of the workpiece can be cut off, convenience is provided for removing the scraps, and the practicability of the device is improved; in the process, through the upper die 2 and the lower die 3, the grooving and trimming procedures of the semi-finished impeller are effectively completed by utilizing the design of the die pressing groove 221, the grooving column 4, the forming die 33 and the punching groove 35, and the working mode is convenient and quick to process and fast to mold, so that the processing of impeller workpieces is convenient to complete, the labor intensity and the workload of people are reduced, and the use requirement is met; the locating column 5 plays a role in limiting a workpiece, prevents the workpiece from shifting and ensures the molding quality of the product; the arranged cutting knife 6 can cut off the leftover materials after stamping of the workpiece in a segmented way, so that the removal is convenient, and the effective completion of production and processing work is ensured; the device has reasonable design, simple structure, convenient processing and capability of effectively reducing the operation difficulty, lightens the labor intensity and the workload of people, conveniently completes the grooving and trimming treatment of the impeller, improves the working process and meets the use requirement.

In order to ensure the effective realization of stamping operation, the upper end of the round table 21 is provided with a connector 8, so that people can conveniently connect the upper die 2 with a press in the prior art, the stamping forming preparation of a workpiece is finished by utilizing the stamping force of the press, the press is connected with the upper die 2, continuous and stable power input is provided, the effective forming of the workpiece is ensured, the lower die 3 is placed on the lower end of the press by people, and the placement stability is improved; further, the forming die 33 corresponds with the die slot 221 in a matching manner, so that the sleeve 22 is conveniently sleeved on the forming die 33 to complete corresponding stamping operation, the obstruction in the lifting process of the component is avoided, the working process is ensured, further, a punching slot 35 matched with the grooving column 4 is formed between two adjacent forming dies 33 and matched with the grooving column 4 to complete grooving stamping treatment of the impeller, and convenience is provided for development of subsequent production and processing work.

In order to ensure that the cutting knife 6 has good usability, one end of the cutting knife 6, which plays a role in cutting, is designed in a wedge shape, and correspondingly, the lower end in the adapting groove 7 is designed in a wedge shape, so that when the cutting knife 6 moves along with the stamping of the position of the upper die 2 towards the lower die 3, the cutting knife 6 can realize the segmented cutting of the stamped impeller leftovers, the situation that the leftovers are sleeved on the periphery of the lower die 3 is effectively avoided, people can dial down the segmented leftovers by means of an external tool, convenience is provided for the follow-up production and processing work, and the use benefit of the device is good.

In order to improve the stability of disc 32 placement, the spacing groove 311 that is echelonment design has been seted up to base 31 up end, based on the design of this spacing groove 311, disc 32 lower extreme also can be provided with spacing groove 311 looks adaptation and be the spacing sleeve pipe of cavity design (not shown in the figure), like this, cooperation between spacing sleeve pipe and the spacing groove 311 has promoted the accuracy of each part placement of lower mould 3, improve performance, further, still set up counter bore 321 in the disc 32 of moulded die 33 periphery, be provided with connecting screw 9 in the counter bore 321, and be connected with base 31, the design of counter bore 321 can prevent that the upper end of connecting screw 9 exposes outside, ensure the effective realization of punching press action, promote working progress.

In order to improve the rationality of device design, the up end of reference column 5 and the up end of moulded die 33 are on same horizontal plane, like this, in last mould 2 pushes down the in-process, reference column 5 can not jack-up round platform 21 and sleeve 22, guarantee the effective realization of punching press action, simultaneously, the semi-manufactured goods of impeller is put in moulded die 33, utilizes reference column 5 to play certain spacing effect to this work piece, prevent that it from taking place the skew and influencing the shaping effect, promotes working process, satisfies production and processing user demand.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed in the above-mentioned arts can be applied to other fields, but any simple equivalent changes and modifications to the above-mentioned embodiments according to the technical substance of the present utility model are still within the scope of the technical solution of the present utility model.

Claims (5)

1. The utility model provides a semi-manufactured goods stamping die is used in production of car water pump impeller, includes the stamping die body that is used for impeller to cut edge, its characterized in that, the stamping die body includes mould and lower mould, it includes the round platform to go up the mould, the round platform lower extreme is provided with the sleeve, set up the die cavity in the sleeve, adjacent two constitute the slotted cylinder that plays the slotting effect between the die cavity, the lower mould includes the base, the base upper end is provided with bears the module, it includes the disc to bear the module, the disc upper end is provided with the moulded die, bear the geometric center department of module and seted up the through-hole, be provided with on the base with the coaxial reference column of through-hole, sleeve lower extreme periphery is provided with the cutter, with the adaptation groove has been seted up to the disc periphery that the cutter corresponds.

2. The semi-finished stamping die for producing automobile water pump impellers according to claim 1, wherein a connector is arranged at the upper end of the round table, the forming dies are matched with the die pressing grooves correspondingly, and a punching groove matched with the grooved column is formed between every two adjacent forming dies.

3. The stamping die for semi-finished products for producing automobile water pump impellers according to claim 2, wherein one end of the cutting knife, which has a cutting function, is in a wedge-shaped design, and correspondingly, the lower end of the adapting groove is also in a wedge-shaped design.

4. The semi-finished stamping die for producing automobile water pump impellers according to claim 3, wherein the upper end face of the base is provided with a limit groove in a stepped design, a countersink is further formed in a disc at the periphery of the forming die, and a connecting screw is arranged in the countersink and connected with the base.

5. The stamping die for semi-finished products for producing automobile water pump impellers according to claim 4, wherein the upper end face of the positioning column and the upper end face of the forming die are located on the same horizontal plane.

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