CN211386517U - Water pump cover cut-out press of intaking - Google Patents

Abstract

The utility model relates to a punching die for a water inlet cover of a water pump, which comprises a lower die plate, wherein a chute penetrating both ends of the lower die plate is provided on the lower die plate, and a punching mechanism, a die fixing mechanism and a workpiece are arranged on the lower die plate. a rotating mechanism; the punching mechanism includes a large sliding block, a main power punching mechanism and a driven power punching mechanism, the large sliding block can be slidably arranged in the chute of the lower die seat, and the large sliding block is provided with a first A long opening and a second long opening for blanking, one end of the large sliding block cooperates with the main power punching mechanism, and the other end is provided with a slave power punching mechanism. The utility model has the advantages of reasonable design, convenient use, simple operation, increased service life of the water inlet cover obtained by punching, high surface finish, high precision of the water outlet hole, excellent mechanical properties of the produced workpiece, and excellent structural strength. The punches work at the same time, and the water inlet cover can be produced in batches, which greatly saves manpower, saves the technological process, and improves the work efficiency.

Description

A punching die for water pump inlet cover

technical field

The utility model belongs to the technical field of stamping dies, in particular to a punching die for a water inlet cover of a water pump.

Background technique

Mold is an important process equipment for the production of industrial products. In modern industrial production, 60%-90% of industrial products need to use molds. The mold industry has become the basis of industrial development, and the development and research of many new products are largely All rely on mold production, especially in automobile, motorcycle, light industry, electronics, aviation and other industries. As for the machinery industry, which is the basis of the manufacturing industry, according to the forecast of the International Association of Production Technology, 75% of the rough machining and 50% of the finishing machining of the parts of the machinery manufacturing industry in the 21st century will be completed by molds. Therefore, the mold industry has become a national important basic industries of the economy. The key to the development of the mold industry is the advancement of mold technology, the development status and trend of stamping molds, and a set of stamping molds that can meet production needs are designed based on the principles of producing high-quality precision products and improving the digital, high-speed, and automated production of parts. mechanism.

The water pump inlet filter screen cover is used to filter the sundries in the water, prevent the sundries from entering the water pump, and ensure that the blades are not entangled by sundries. Previously, the water pump inlet filter screen cover was punched in advance through the raw materials, and then the mechanical roll was bent and welded to form the water pump. The outer circumference of the water inlet filter screen cover is then welded to the back cover. The workpiece produced by this process has many surface burrs, insufficient quality and strength, and the production process is cumbersome, which increases the labor force of workers and reduces work efficiency.

SUMMARY OF THE INVENTION

In view of this, the purpose of the present utility model is to provide a punching die for the water inlet cover of a water pump, which aims to solve the defects of complicated manufacturing process and low quality and strength of the water inlet cover of the water pump.

In order to achieve the above purpose, the technical solutions adopted are as follows:

A punching die for a water inlet cover of a water pump, comprising a lower template, wherein a chute penetrating both ends of the lower template is provided on the lower template, and a punching mechanism, a die fixing mechanism and a workpiece rotating mechanism are arranged on the lower template;

The punching mechanism includes a large sliding block, a main power punching mechanism and a driven power punching mechanism, the large sliding block can be slidably arranged in the chute of the lower die base, and the large sliding block is provided with a first long opening and The second long opening for blanking, one end of the large sliding block cooperates with the main power punching mechanism, and the other end is provided with a slave power punching mechanism;

The main power punching mechanism includes a wedge, a small slider, a guide strip, a backing plate, a first punch, a first top plate, a second top plate, a first spring and a first unloading screw, and the backing plate is arranged at the bottom. On the template, and the backing plate is placed on the chute, the backing plate is provided with a third long opening for the wedge movement, a small slider is arranged on the backing plate, and the small sliding block is provided for the wedge pressing activity The fourth long opening of the small slider, the two sides of the small slider are clamped with guide strips for guiding the small slider, the guide strip is set on the backing plate, one end of the small slider is punched, and the other end is A first top plate is provided, the two ends of the first top plate are respectively connected with the second top plate arranged on the lower formwork through the first discharge screw, and the first discharge screw is pierced with a first spring, in addition, the third The elongated hole and the fourth elongated hole correspond to the first elongated hole, and the oblique wedge passes through the third elongated hole, the fourth elongated hole and the first elongated hole;

The wedge comprises a first slope part and a second slope part which are integrally formed therewith, the first slope part is press-fitted with the slope of the fourth elongated hole, and the second slope part and the slope of the first elongated hole Squeeze fit, when the wedge is pressed down, the first slope part and the second slope part squeeze to drive the small slider and the large slider to slide in opposite directions;

The driven punching mechanism includes a second punch, a third top plate, a second spring and a second unloading screw. The second punch is arranged at one end of the large slider away from the main punching mechanism. The end is also fixed with a third top plate, the second discharge screw is connected to the lower template through the third top plate, the second spring is passed through the second discharge screw, and both ends are connected to the third top plate and the lower plate. on the lower template;

The die fixing mechanism includes a die and a die fixing plate. The die fixing plate is arranged on the lower template and is erected on the chute to place the workpiece. At the same time, the die fixing plate is located between the main power punching mechanism and the slave. Between the power punching mechanisms, in addition, a concave die is also arranged on the side of the concave die fixing plate, and the concave die is respectively matched with the first punch and the second punch. The discharge hole is connected with the first through hole on the concave die and used for punching the punch. The discharge hole corresponds to and communicates with the first through hole. The second long opening of the slider is always communicated, and the second long opening is communicated with the second through hole opened in the chute for blanking, so as to ensure that the waste punched from the workpiece is removed from the first through hole, The discharge hole, the second long opening and the second through hole fall out; additionally

The workpiece is placed on the die fixing plate, and is set on the lower template by the workpiece rotation mechanism for rotation and positioning of the workpiece during the stamping process.

As a further improvement of the present invention, the lower template is provided with a circular arc segment inverted T-shaped groove around the die fixing plate, and both ends of the circular arc segment inverted T-shaped groove are communicated with the chute, and on the lower template, a circular arc segment is formed. A number of countersunk holes are evenly distributed around the circumference of the arc-segment inverted T-shaped groove; in addition, the workpiece rotating mechanism includes a bracket, a first screw, a threaded gasket, a third spring, a second screw, an elastic part and a locator. The first screw is horizontally penetrated at one end of the bracket, and the screw end of the first screw is connected to the punching hole of the workpiece. It is connected to the bracket, and the other end is connected to the threaded gasket threaded on the first screw. The screw is connected to the middle position on the bracket through the nut, the locator is arranged on the other end of the bracket, and the locator is T-shaped, the lower end of the locator penetrates the bracket and is embedded in the counterbore, and the upper end of the locator is topped with a an elastic part, the elastic part is abutted on the upper part of the bracket.

As a further improvement of the present invention, the maximum angle between any two countersunk holes and the center of the inverted T-shaped groove in the arc segment is 120°.

As a further improvement of the present invention, a guide rod is provided at the bottom of the wedge, and the guide rod is perpendicular to the movement plane of the large slider. The upper surface of the guide plate does not exceed the bottom surface of the chute.

As a further improvement of the present invention, the main power punching mechanism further includes a first punch fixing plate, and the first punch is fixed on the small slider by the first punch fixing plate.

As a further improvement of the present invention, the driven punching mechanism further includes a second punch fixing plate, and the second punch is fixed on the large slider by the second punch fixing plate.

As a further improvement of the present invention, the side surface of the concave die is an arc surface, and when the workpiece is placed on the die fixing plate, the side surface of the concave die is abutted on the inner circumferential surface of the workpiece.

As a further improvement of the present invention, a rotatable support swivel is arranged on the middle position of the upper surface of the die fixing plate, and the upper surface of the supporting swivel is higher than the upper surface of the die fixing plate.

The beneficial effects of the utility model are as follows: the utility model has the advantages of reasonable design, convenient use, simple operation, increased service life of the water inlet cover obtained by punching, high surface finish, high precision of the water outlet holes, excellent mechanical properties of the produced workpiece, and excellent structure. The strength is excellent, and the two sets of punches work at the same time, which can mass-produce the water inlet cover, which greatly saves manpower, saves the process flow, and improves the work efficiency.

Description of drawings

The accompanying drawings constituting a part of the present application are used to provide further understanding of the present invention, and the schematic embodiments of the present invention and descriptions thereof are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached image:

Fig. 1 is the structural representation of the utility model placing workpiece;

Fig. 2 is the structural representation of the utility model;

Fig. 3 is the structural sectional view of the utility model;

FIG. 4 is a schematic structural diagram of the assembly of the large sliding block and the lower die base in FIG. 2;

Fig. 5 is the assembly schematic diagram of the fixing mechanism involving the lower die base and the female die in Fig. 2;

6 is a schematic diagram of the assembly between the large slider, the small slider and the wedge in FIG. 2;

Fig. 7 is the structural representation involving the lower die seat in Fig. 2;

FIG. 8 is a schematic structural diagram of a large slider in FIG. 2;

FIG. 9 is a schematic structural diagram of a small slider in FIG. 2;

Fig. 10 is the structural schematic diagram involving the wedge in Fig. 2;

FIG. 11 is a schematic structural diagram of the workpiece rotating mechanism in FIG. 2 .

Detailed ways

It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict. The present utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

In order to make those skilled in the art better understand the solutions of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only The embodiments are part of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the scope of protection of the present application.

As shown in Figures 1-3, a water pump water inlet cover punching die includes a lower die base 1, the lower die base 1 is provided with a chute 11 penetrating both ends of the lower die base 1, and the lower die base 1 is provided with There are punching mechanism 2, die fixing mechanism 3 and workpiece rotating mechanism 4;

As shown in Figures 1-4, 7 and 8, the punching mechanism 2 includes a large sliding block 21, a main power punching mechanism 22 and a driven power punching mechanism 23, and the large sliding block 21 is slidably arranged on the lower die seat 1, and the large slider 21 is provided with a first long opening a and a second long opening b for blanking, and one end of the large slider 21 cooperates with the main power punching mechanism 22. , and the other end is provided with a driven punching mechanism 23 .

As shown in Figures 1-3, 6, 9, and 10, the active power punching mechanism 22 includes a wedge 220, a small slider 221, a guide strip 222, a backing plate 223, a first punch 224, and a first top plate 225 , the second top plate 226, the first spring 227 and the first unloading screw 228, the backing plate 223 is arranged on the lower die base 1, and the backing plate 223 is placed on the chute 11, and the backing plate 223 The third long opening c for the wedge 220 to move is set on the backing plate 223 on the small sliding block 221, and the small sliding block 221 is provided with a fourth long opening d for the wedge 220 to squeeze and move. The two sides of the 221 are clamped with guide strips 222 for guiding the small slider 221. The guide strip 222 is arranged on the backing plate 223. One end of the small slider 221 is provided with a first punch 224, and the other end is provided with a first punch 224. There is a first top plate 225, two ends of the first top plate 225 are respectively connected with the second top plate 226 arranged on the lower die base 1 through the first unloading screw 228, and the first unloading screw 228 is provided with a first spring 227. and the first spring 227 is abutted between the first top plate 225 and the second top plate 226, in addition, the third long opening c and the fourth long opening d correspond to the first long opening a, The oblique wedge 220 is passed through the third long opening c, the fourth long opening d and the first long opening a; the active power punching mechanism 22 also includes a first punch fixing plate 229, the A punch 224 is fixed on the small slider 221 through the first punch fixing plate 229;

As shown in FIGS. 3 , 6 and 10 , the wedge 220 includes a first slope portion 2201 and a second slope portion 2202 integrally formed therewith. The first slope portion 2201 is disposed on the upper portion of the second slope portion 2202 , A slope portion 2201 is press-fitted with the inclined surface of the fourth long opening d, and the second slope portion 2202 is press-fitted with the inclined surface of the first long opening a. When the wedge 220 is pressed down, the first slope portion 2201 and the The second slope portion 2202 squeezes and drives the small slider 221 and the large slider 21 to slide in opposite directions, and a guide rod 2203 is provided at the bottom of the wedge 220, and the guide rod 2203 is perpendicular to the movement plane of the large slider 21. The rod 2203 passes through the guide plate 2204 provided in the second counterbore e on the bottom surface of the chute 11 and passes through the lower die base 1 . The upper surface of the guide plate 2204 does not exceed the bottom surface of the chute 11 .

As shown in FIGS. 1-3 , the driven punching mechanism 23 includes a second punch 231 , a second spring 232 , a second unloading screw 233 and a third top plate 234 , the second punch 231 is set in a large One end of the slider 21 away from the main power punching mechanism 222, at the same time, a third top plate 234 is fixed on this end. 232 is passed through the second unloading screw 233, and both ends are abutted on the third top plate 234 and the lower die base 1; the driven punching mechanism 23 also includes a second punch fixing plate 235, the The second punch 231 is fixed on the large slider 21 by the second punch fixing plate 235 .

As shown in Figs. 1-3 and 5, the die fixing mechanism 3 includes a die 31 and a die fixing plate 32. The die fixing plate 32 is arranged on the lower die base 1 and erected on the chute 11 for use In order to place the workpiece, at the same time, the female die fixing plate 32 is located between the main power punching mechanism 222 and the driven power punching mechanism 232. In addition, a female die 31 is also provided on the upper side of the female die fixing plate 32. The female die 31 Correspondingly with the first punch 224 and the second punch 231 respectively, the lower surface of the die fixing plate 32 is provided with a discharge hole f. The first through hole g of the punching hole of the punch is connected, the discharge hole f corresponds to and communicates with the first through hole g, and at the same time, the first through hole g and the second long opening b of the large slider 21 are always Keeping the same connection, the second long opening b is connected with the second through hole h opened in the chute 11 for blanking, so as to ensure that the waste punched from the workpiece is removed from the first through hole g, the discharge hole f, the first through hole g, and the second through hole h. The two long openings b and the second through holes h fall out; in addition, the side surface of the die 31 is an arc surface, and when the workpiece is placed on the die fixing plate 32, the side surface of the die 31 is abutted against the inner circumference of the workpiece In addition, a rotatable support swivel 33 is provided on the middle position of the upper surface of the die fixing plate 32, and the upper surface of the supporting swivel 33 is higher than the upper surface of the die fixing plate 32;

As shown in Figures 1-2, 5, 7, and 11, the lower die base 1 is provided with a circular arc segment inverted T-shaped groove i around the die fixing plate 32, and both ends of the circular arc segment inverted T-shaped groove i Connected with the chute 11, and on the lower die base 1 and the periphery of the inverted T-shaped groove i of the arc segment are evenly distributed with a number of first countersunk holes j on the circumference, the workpiece is placed on the die fixing plate 32, and is passed through the workpiece rotating mechanism 4. The workpiece rotation and positioning in the stamping process is performed on the lower die holder 1. The workpiece rotation mechanism 4 includes a bracket 41, a first screw 42, a threaded gasket 43, a third spring 44, a second screw 45, an elastic member 46 and Locator 47, the first screw 42 is horizontally penetrated at one end of the bracket 41, and the screw end of the first screw 42 is abutted on the punching hole of the workpiece, and the end of the first screw 42 passing through the bracket 41 is provided with a first screw. Three springs 44, one end of the third spring 44 is abutted on the bracket 41, and the other end is abutted with the threaded washer 43 threaded on the first screw 42, and the nut end of the second screw 45 can be upside down. The second screw 45 is connected to the middle position on the bracket 41 through the nut, and the positioner 47 is arranged on the other end of the bracket 41, and the positioner 47 is T-shaped. The lower end of the positioner 47 protrudes out of the bracket 41 and is embedded in the first counterbore j, the upper end of the positioner 47 is connected with an elastic member 46, and the elastic member 46 is abutted on the upper part of the bracket 41. In addition, any two The angle between the first counterbore j and the center of the inverted T-slot i of the arc segment is at most 120°.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. For those skilled in the art, the present utility model may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (8)

1. A water pump inlet cover punching die comprises a lower template, wherein sliding grooves penetrating through two ends of the lower template are formed in the lower template;

the punching mechanism comprises a large sliding block, a main power punching mechanism and a driven power punching mechanism, the large sliding block is slidably arranged in a sliding groove of the lower die base, a first long hole and a second long hole for blanking are formed in the large sliding block, one end of the large sliding block is matched with the main power punching mechanism to work, and the other end of the large sliding block is provided with the driven power punching mechanism;

the main power punching mechanism comprises a wedge, a small slide block, a guide strip, a base plate, a first male die, a first top plate, a second top plate, a first spring and a first unloading screw, the base plate is arranged on the lower template, the base plate is erected on the chute, a third long opening for wedge movement is formed in the base plate, the small slide block is arranged on the base plate, a fourth long opening for wedge extrusion movement is formed in the small slide block, the guide strip for guide of the small slide block is clamped and connected to the two side edges of the small slide block, the guide strip is arranged on the base plate, the first male die is arranged at one end of the small slide block, the first top plate is arranged at the other end of the small slide block, the two ends of the first top plate are respectively connected with the second top plate arranged on the lower template through first unloading screws, the first unloading screws penetrate through the first springs, and the first springs are abutted between the first top plate and the second top plate, in addition, the third long open hole and the fourth long open hole correspond to the first long open hole, and the wedge penetrates through the third long open hole, the fourth long open hole and the first long open hole;

the wedge comprises a first slope part and a second slope part which are integrally formed, the first slope part is arranged at the upper part of the second slope part, the first slope part is in extrusion fit with an inclined plane of the fourth long opening, the second slope part is in extrusion fit with an inclined plane of the first long opening, and when the wedge is pressed downwards, the first slope part and the second slope part are extruded to drive the small sliding block and the large sliding block to slide in opposite directions;

the driven punching mechanism comprises a second male die, a third top plate, a second spring and a second discharging screw, the second male die is arranged at one end of the large sliding block, which is far away from the driving punching mechanism, meanwhile, the third top plate is fixedly arranged at the end, the second discharging screw penetrates through the third top plate to be connected with the lower template, the second spring penetrates through the second discharging screw, and two ends of the second spring are abutted to the third top plate and the lower template;

the female die fixing mechanism comprises a female die and a female die fixing plate, the female die fixing plate is arranged on the lower template and is erected on the sliding chute for placing a workpiece, meanwhile, the female die fixing plate is positioned between the main power punching mechanism and the driven power punching mechanism, in addition, a female die is also arranged on the side surface of the female die fixing plate, the female die is correspondingly matched with the first male die and the second male die respectively, a discharge hole is arranged on the female die fixing plate, the discharge hole is communicated with a first through hole which is arranged on the female die and used for punching the male die, the discharge hole is corresponding to and communicated with the first through hole, meanwhile, the discharge hole is always communicated with a second long opening hole of the big slide block, the second long opening hole is communicated with a second through hole which is arranged in the chute and used for blanking, so as to ensure that the waste materials punched from the workpiece fall out of the first through hole, the discharge hole, the second long open hole and the second through hole; in addition, the

The workpiece is placed on the die fixing plate and is arranged on the lower template through the workpiece rotating mechanism to rotate and position the workpiece in the stamping process.

2. The water pump water inlet cover punching die according to claim 1, wherein an arc-section inverted T-shaped groove is formed in the lower die plate around the female die fixing plate, two ends of the arc-section inverted T-shaped groove are communicated with the sliding groove, and a plurality of first counter bores are uniformly distributed in the periphery of the arc-section inverted T-shaped groove and the upper die plate according to the circumference; in addition, the method can be used for producing a composite material

The workpiece rotating mechanism comprises a support, a first screw, a threaded gasket, a third spring, a second screw, an elastic component and a positioner, wherein the first screw is horizontally arranged at one end of the support in a penetrating manner, a screw rod end of the first screw is abutted to a stamping hole of a workpiece, the first screw penetrates out one end of the support to be provided with the third spring in a penetrating manner, one end of the third spring is abutted to the support, the other end of the third spring is abutted to the threaded gasket which is in threaded connection with the first screw, a nut end of the second screw is inverted and slidably clamped in an inverted T-shaped groove of an arc section, the second screw is connected to the middle position of the support through a nut, the positioner is arranged at the other end of the support, the positioner is in a T-shaped shape, the lower end of the positioner penetrates out of the support and is embedded in a first counter bore, the upper end of the positioner is abutted to the elastic component, and the.

3. The water pump water inlet cover punching die of claim 2, wherein an angle between any two first counter bores and a circle center of the circular arc segment inverted T-shaped groove is 120 degrees at most.

4. The water pump water inlet cover punching die of claim 1, wherein a guide rod is arranged at the bottom of the wedge, the guide rod is perpendicular to the movement plane of the large sliding block, meanwhile, the guide rod penetrates through a guide plate arranged in a second counter bore on the bottom surface of the sliding chute and penetrates out of the lower template, and in addition, the upper surface of the guide plate does not exceed the bottom surface of the sliding chute.

5. The water pump water inlet cover punching die according to claim 1, wherein the main power punching mechanism further comprises a first punch retainer, and the first punch is fixed on the small slide block through the first punch retainer.

6. The water pump water inlet cover punching die according to claim 1, wherein the driven punching mechanism further comprises a second punch retainer, and the second punch is fixed on the large slide block through the second punch retainer.

7. The water pump water inlet cover punching die according to claim 1, wherein the female die side surface is a circular arc surface, and when a workpiece is placed on the female die fixing plate, the female die side surface abuts against an inner circumferential surface of the workpiece.

8. The water pump water inlet cover punching die of claim 1, wherein a rotatable supporting swivel is arranged at a middle position of the upper surface of the female die fixing plate, and the upper surface of the supporting swivel is higher than the upper surface of the female die fixing plate.

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