CN213728889U

CN213728889U - High-efficient forming die of heat exchanger that separates of car exhaust system

Info

Publication number: CN213728889U
Application number: CN202022287226.8U
Authority: CN
Inventors: 朱天宇
Original assignee: Wuxi Keyu Mould Co ltd
Current assignee: Wuxi Keyu Mould Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-07-20
Anticipated expiration: 2030-10-15

Abstract

The utility model relates to the technical field of automobile part processing, and discloses a high-efficiency forming die for a heat shield of an automobile exhaust system, which comprises an upper die and a lower die, the top of the upper die is fixedly connected with an upper die base, two sides of the upper die are provided with guide grooves, the middle part of the bottom of the upper die is provided with a forming female die, the bottom of the upper die is provided with buffer grooves positioned at two sides of the forming female die, the top of the buffer groove is fixedly arranged with the top of the buffer spring, the buffer groove is connected with a movable plate in a sliding way, the top of the moving plate is fixedly arranged with the bottom end of the buffer spring, the bottom of the moving plate is fixedly connected with a buffer pin, the top of the lower die is provided with a forming male die, the bottom of the lower die is fixedly connected with guide rods positioned at two sides of the forming male die, the bottom of the lower die is fixedly connected with a lower die holder, the guide rods are provided with clamping edges, and the bottom of the lower die holder is fixedly connected with a supporting longitudinal frame. The utility model provides a mould structure complicated, fix a position accurate problem inadequately.

Description

High-efficient forming die of heat exchanger that separates of car exhaust system

Technical Field

The utility model relates to an automobile parts processing technology field specifically is a high-efficient forming die of heat exchanger that separates of automobile exhaust system.

Background

At present, along with the improvement of living standard of people, the use amount of automobiles is more and more, the automobiles become transportation tools for most people gradually, along with the continuous development of economy in China, the motor vehicles become very popular, and the motor vehicles in industry and agriculture are also widely applied. At present, most of automobile power machines are internal combustion engines which can release a large amount of high-temperature tail gas when working, but the heat insulation tile of the exhaust pipe of a motor vehicle cannot insulate heat or a heat insulation layer is lost, so that the problems of scorching of a trunk or spontaneous combustion of the motor vehicle and the like caused by overhigh temperature of the trunk of an automobile chassis are caused. In addition, the exhaust pipe has poor heat insulation effect, which brings inconvenience to customers, when the temperature of the automobile is too high, the articles in the trunk or the fillers or glue at the bottom of the automobile are burnt, which affects the daily life of people, and the engine exhaust pipe is a place with great heat dissipation in various vehicle structures. If the protection can not be carried out in time, certain damage can be caused to the equipment by long-term operation, and the service time of the mechanical equipment is reduced.

The traditional heat shield adopts a stretching forming tool, which comprises an upper die base, a cushion block, a forming male die, a forming female die, a blank holder, a spring, an ejector rod, a top plate, a discharging bolt, a guide pillar, a guide sleeve and the like. Adopt ordinary stretch forming die production muffler to separate heat exchanger, its productivity is on the low side, and material utilization is low, and the mould structure is complicated, and the mould cost is on the high side, separates heat exchanger at the shaping stage, relies on the mobility of material to change the shape and the size of work piece, among the prior art, because the structural defect of forming die for the location is accurate inadequately, and the error of buckling is great.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-efficient forming die of heat exchanger that separates of automobile exhaust system reaches simple structure, the reliable purpose of direction action.

In order to achieve the above object, the utility model provides a following technical scheme:

an efficient forming die for a heat shield of an automobile exhaust system comprises an upper die and a lower die, wherein the top of the upper die is fixedly connected with an upper die base, two sides of the upper die are provided with guide grooves, the middle part of the bottom of the upper die is provided with a forming female die, the bottom of the upper die is provided with buffer grooves positioned at two sides of the forming female die, the top of the buffer groove is fixedly arranged with the top of the buffer spring, the buffer groove is connected with a movable plate in a sliding way, the top of the moving plate is fixedly arranged with the bottom end of the buffer spring, the bottom of the moving plate is fixedly connected with a buffer pin, the top of the lower die is provided with a forming male die, the bottom of the lower die is fixedly connected with guide rods positioned at two sides of the forming male die, the bottom of the lower die is fixedly connected with a lower die holder, the guide rod is provided with a clamping edge, the bottom of the lower die holder is fixedly connected with a support longitudinal frame, and the bottom of the support longitudinal frame is fixedly connected with a base plate.

Preferably, the number of the vertical supporting frames is three, the three vertical supporting frames are uniformly arranged at the bottom of the lower die holder, and the middle of each vertical supporting frame is fixedly connected with a horizontal supporting frame.

Preferably, the number of the buffer springs is three, and the three buffer springs are distributed in a regular triangle.

Preferably, the bottom of the buffer groove is provided with a bulge, and the width between the bulges is the same as the diameter of the buffer foot.

Preferably, the two sides of the upper die holder are provided with guide grooves corresponding to the upper die.

Preferably, the guide groove corresponds to the guide rod in shape and is provided with a clamping groove with the same shape as the clamping edge.

The utility model provides a high-efficient forming die of heat exchanger that separates of automobile exhaust system. The method has the following beneficial effects:

(1) the utility model discloses a set up mould and bed die, and set up the same guiding groove that just corresponds in the both sides of last mould and upper die base, align and connect with bed die top fixed connection's guide bar through the guiding groove, make and go up the mould along guide bar activity from top to bottom, inject the mould through the guide bar and also can not take place the lateral sliding when promoting the extrusion, the positioning accuracy of mould has been improved, upper die base and die holder through setting up, protect last mould and bed die, prevent that stamping equipment from causing the damage to the mould.

(2) The utility model discloses a set up the dashpot in the both sides of last mould, set up the buffer spring who is equilateral triangle in the dashpot, promote movable plate and movable plate bottom fixed connection's buffering foot through buffer spring, when stamping equipment extrudees last mould and bed die, through buffering foot and the earlier contact of bed die, through the speed of pushing down of buffer spring slow down the mould, prevent to go up mould and bed die and take place direct collision under the drive of extrusion equipment, play the guard action to the mould.

Drawings

FIG. 1 is a front view of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is a structural diagram of the upper mold of the present invention;

fig. 4 is a top view of the upper die base of the present invention.

In the figure: the forming die comprises an upper die 1, an upper die holder 2, a lower die 3, a forming male die 4, a lower die holder 5, a longitudinal support 6, a transverse support 7, a backing plate 8, a clamping edge 9, a guide rod 10, a buffering foot 11, a guide groove 12, a buffering groove 13, a buffering spring 14, a moving plate 15 and a forming female die 16.

Detailed Description

As shown in fig. 1-4, the utility model provides a technical solution:

a high-efficiency forming die for a heat shield of an automobile exhaust system comprises an upper die 1 and a lower die 3, wherein the top of the upper die 1 is fixedly connected with an upper die base 2, two sides of the upper die base 2 are provided with guide grooves 12 corresponding to the upper die 1, the guide grooves 12 are aligned and connected with guide rods 10 fixedly connected with the top of the lower die 3, so that the upper die 1 moves up and down along the guide rods 10, the upper die 1 is limited by the guide rods 10 and cannot slide laterally when pushed and extruded, the positioning precision of the die is improved, two sides of the upper die 1 are provided with the guide grooves 12, the guide grooves 12 correspond to the guide rods 10 in shape and are provided with clamping grooves with the same shape as the clamping edges 9, the guide rods 10 are fixed in the guide grooves 12 through the clamping edges and the clamping grooves 9, the lateral sliding of the upper die 1 during pushing and extrusion is prevented, the forming female die 16 is arranged in the middle of the bottom of the upper die 1, the buffer grooves 13 located on two sides of the forming female die 16 are arranged at the bottom of the upper die 1, the bottom of each buffer groove 13 is provided with a bulge, the width between the bulges is the same as the diameter of each buffer pin 11, the bulges are arranged at the bottom of each buffer groove 13, the movable plate 15 is prevented from sliding out of the buffer grooves 13 and falling off through the bulges, the top of each buffer groove 13 and the top of each buffer spring 14 are fixedly installed, each buffer groove 13 is connected with the corresponding movable plate 15 in a sliding manner, the top of each movable plate 15 and the bottom of each buffer spring 14 are fixedly installed, the three buffer springs 14 are distributed in a regular triangle, the buffer springs 14 distributed in the regular triangle can provide uniform elastic force for the movable plates 15 and the buffer pins 11, and the uneven elastic force on the buffer pins 11 is prevented, the buffering effect of the buffering mechanism is weakened, the bottom of the moving plate 15 is fixedly connected with buffering pins 11, the buffering grooves 13 are formed in two sides of the upper die 1, the buffering springs 14 in an equilateral triangle shape are arranged in the buffering grooves 13, the moving plate 15 is pushed by the buffering springs 14 to be fixedly connected with the buffering pins 11 at the bottom of the moving plate 15, when the upper die 1 and the lower die 3 are extruded by stamping equipment, the buffering pins 11 are firstly contacted with the lower die 3, the pressing speed of the upper die 1 is reduced by the buffering springs 14, the upper die 1 and the lower die 3 are prevented from directly colliding under the driving of the extruding equipment, the dies are protected, the forming male die 4 is arranged at the top of the lower die 3, the guide rods 10 positioned at two sides of the forming male die 4 are fixedly connected with the bottom of the lower die 3, the lower die holder 5 is fixedly connected with the bottom of the lower die 3, the guide rods 10 are provided with clamping edges 9, by arranging the upper die 1 and the lower die 3, arranging the same and corresponding guide grooves 12 on two sides of the upper die 1 and the upper die base 2, aligning and connecting the guide grooves 12 with the guide rods 10 fixedly connected with the top of the lower die 3, enabling the upper die 1 to move up and down along the guide rods 10, limiting the upper die 1 not to slide laterally when pushing and extruding through the guide rods 10, improving the positioning precision of the die, protecting the upper die 1 and the lower die 3 through the arranged upper die base 2 and the lower die base 5, preventing the punching equipment from damaging the die, fixedly connecting the bottom of the lower die base 5 with three longitudinal support frames 6, arranging the three longitudinal support frames 6 at the bottom of the lower die base 5 in parallel, fixedly connecting the middle parts of the longitudinal support frames 6 with the transverse support frames 7, preventing the three longitudinal support frames 6 arranged in parallel from toppling to the side under the action of re-extrusion force through arranging the transverse support frames 7, the whole die is damaged, the production progress is influenced, and the bottom of the longitudinal support frame 6 is fixedly connected with the base plate 8.

When in use, a molding material is placed between a molding male die 4 and a molding female die 16 between an upper die 1 and a lower die 3, a guide groove 12 of the upper die is butted with a guide rod 10, the upper die 1 can only move up and down along the guide rod 10, a stamping device is started to extrude the upper die 1 and the lower die 3 mutually, and buffer grooves 13 are arranged at two sides of the upper die 1, a buffer spring 14 in an equilateral triangle shape is arranged in the buffer groove 13, the buffer foot 11 fixedly connected with the bottom of the moving plate 15 is pushed by the buffer spring 14, when the stamping equipment extrudes the upper die 1 and the lower die 3, the buffer feet 11 are firstly contacted with the lower die 3, the buffer spring 14 is used for reducing the pressing speed of the upper die 1, so that the upper die 1 and the lower die 3 are prevented from directly colliding under the driving of the extrusion equipment, and the effect of protecting the dies is achieved.

In conclusion, by arranging the upper die 1 and the lower die 3, arranging the same and corresponding guide grooves 12 on both sides of the upper die 1 and the lower die 2, aligning and connecting the guide grooves 12 with the guide rods 10 fixedly connected with the top of the lower die 3, so that the upper die 1 moves up and down along the guide rods 10, limiting the upper die 1 by the guide rods 10 without sliding laterally when pushing and extruding, improving the positioning accuracy of the die, protecting the upper die 1 and the lower die 3 by the arranged upper die 2 and the lower die base 5, preventing the punching equipment from damaging the die, arranging the buffer grooves 13 on both sides of the upper die 1, arranging the buffer springs 14 in the shape of equilateral triangle in the buffer grooves 13, pushing the buffer pins 11 fixedly connected with the bottom of the movable plate 15 by the buffer springs 14, and when the upper die 1 and the lower die 3 are extruded by the punching equipment, through buffering foot 11 and the contact of bed die 3 earlier, slow down the speed of pushing down of mould 1 through buffer spring 14, prevent that mould 1 and bed die 3 from taking place direct collision under the drive of extrusion equipment, play the guard action to the mould.

Claims

1. The utility model provides a high-efficient forming die of heat exchanger that separates of automobile exhaust system, includes mould (1) and bed die (3), its characterized in that: the top of the upper die (1) is fixedly connected with an upper die base (2), two sides of the upper die (1) are provided with guide grooves (12), the middle part of the bottom of the upper die (1) is provided with a forming female die (16), the bottom of the upper die (1) is provided with buffer grooves (13) positioned at two sides of the forming female die (16), the top of each buffer groove (13) is fixedly installed with the top of a buffer spring (14), each buffer groove (13) is slidably connected with a movable plate (15), the top of each movable plate (15) is fixedly installed with the bottom of each buffer spring (14), the bottom of each movable plate (15) is fixedly connected with a buffer foot (11), the top of the lower die (3) is provided with a forming male die (4), the bottom of the lower die (3) is fixedly connected with guide rods (10) positioned at two sides of the forming male die (4), and the bottom of the lower die (3) is fixedly connected with a lower die base (5), the guide rod (10) is provided with a clamping edge (9), the bottom of the lower die holder (5) is fixedly connected with a support longitudinal frame (6), and the bottom of the support longitudinal frame (6) is fixedly connected with a base plate (8).

2. The high-efficiency forming die for the heat shield of the automobile exhaust system according to claim 1, characterized in that: the number of the vertical supporting frames (6) is three, the vertical supporting frames (6) are uniformly arranged at the bottom of the lower die holder (5), and the middle of each vertical supporting frame (6) is fixedly connected with a horizontal supporting frame (7).

3. The high-efficiency forming die for the heat shield of the automobile exhaust system according to claim 1, characterized in that: the number of the buffer springs (14) is three, and the three buffer springs (14) are distributed in a regular triangle shape.

4. The high-efficiency forming die for the heat shield of the automobile exhaust system according to claim 1, characterized in that: the bottom of the buffer groove (13) is provided with bulges, and the width between the bulges is the same as the diameter of the buffer foot (11).

5. The high-efficiency forming die for the heat shield of the automobile exhaust system according to claim 1, characterized in that: and guide grooves (12) corresponding to the upper die (1) are formed in two sides of the upper die holder (2).

6. The high-efficiency forming die for the heat shield of the automobile exhaust system according to claim 1, characterized in that: the guide groove (12) corresponds to the guide rod (10) in shape and is provided with a clamping groove which is the same as the clamping edge (9) in shape.