CN216095950U

CN216095950U - Chimney cover pressing tool

Info

Publication number: CN216095950U
Application number: CN202121977789.8U
Authority: CN
Inventors: 曲波; 任胜军
Original assignee: Xiangyang Suzhan Machinery Industry Co ltd
Current assignee: Xiangyang Suzhan Machinery Industry Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-03-22
Anticipated expiration: 2031-08-23

Abstract

The utility model relates to the technical field of chimney cover processing, and discloses a chimney cover pressing tool which comprises an upper die and a lower die, the upper die is provided with a convex part matched with each groove in the chimney cover in shape, the lower die is provided with a concave part matched with the convex part of the upper die, the upper die and the lower die form a chimney cover punch forming cavity when the upper die and the lower die are assembled, a cavity is arranged in the lower die, the cavity is positioned below the concave part, the bottom surface of the concave part is provided with a hole communicated with the cavity, the cavity is internally provided with a demoulding device, the chimney cover is punched and formed by closing an upper die and a lower die, a groove of the punched and formed chimney cover is embedded into the concave part, the part embedded into the concave part is ejected out by the demoulding device, therefore, the demolding is realized, the labor intensity of workers is greatly reduced, the deformation of the chimney cover cannot be caused in the demolding process, and the product quality is better.

Description

Chimney cover pressing tool

Technical Field

The utility model relates to the technical field of chimney cover processing, in particular to a chimney cover pressing tool.

Background

The chimney port is easy to be back-flowed and polluted by dust, rain water and the like in the working process of the internal combustion engine set, and the service life of the internal combustion engine set is shortened, so that the existing internal combustion engine sets are provided with chimney covers.

The chimney cover is generally formed by pressing a thin aluminum plate, a part shown as 1 in fig. 1 is a structural schematic diagram of the chimney cover in the prior art, a plurality of grooves 2 which are parallel to each other and are in a long waist shape are formed in the middle of the chimney cover 1 in a pressing mode, at present, when the chimney cover 1 is processed, a blank to be processed cannot be accurately positioned, only by visual observation during loading, the processing efficiency is low, the processing precision is difficult to guarantee, the chimney cover can be embedded into the grooves 2 after punching and forming are completed, demolding is not easy, and workpiece deformation is caused easily by forced demolding.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a chimney cover pressing tool which has the advantages of low labor intensity, accurate positioning, easiness in demoulding, good product quality and the like.

The technical purpose of the utility model is realized by the following technical scheme:

the utility model provides a chimney cover suppression frock, includes mould and lower mould, go up the mould be equipped with chimney cover in each recess shape assorted convex part, the lower mould be equipped with last mould convex part assorted concave part, form chimney cover stamping forming die cavity when going up mould and lower mould compound die, be equipped with a cavity in the lower mould, the cavity is located the below of concave part, the bottom surface of concave part is equipped with the hole with the cavity intercommunication, be equipped with shedder in the cavity.

By adopting the technical scheme, the chimney cover is subjected to punch forming when the upper die and the lower die are assembled, the groove of the chimney cover subjected to punch forming is embedded into the concave part, and the part embedded into the concave part is ejected out through the demolding device, so that demolding is realized, the labor intensity of workers is greatly reduced, the chimney cover cannot deform in the demolding process, and the product quality is better.

The utility model is further provided with: the demolding device comprises a material ejecting block for demolding and a sliding block for driving the material ejecting block to move up and down to realize demolding, the sliding block is in sliding fit with the cavity, and the sliding block is connected with the linear driving part.

Through adopting above-mentioned technical scheme, when sharp drive division drive slider reciprocating motion, the slider can drive the liftout piece up-and-down motion, when the height at liftout piece top is higher than the concave part bottom surface, can upwards jack-up the work piece that imbeds the concave part to realize the drawing of patterns, simple structure, work efficiency is high.

The utility model is further provided with: the upper end face of the sliding block is an inclined plane, the upper end of the material pushing block is matched with the hole, and the lower end face of the material pushing block is matched with the inclined plane of the sliding block.

By adopting the technical scheme, when the sliding block moves horizontally, the lower end face of the ejector block gradually contacts with a high point or a low point on the sliding block inclined plane, when the lower end face of the ejector block contacts with the high point on the sliding block inclined plane, the ejector block is jacked up, when the lower end face of the ejector block contacts with the low point on the sliding block inclined plane, the ejector block can be put down, when the ejector block is jacked up, a workpiece embedded into a concave part can be jacked upwards, demolding is realized, when the ejector block is put down, the height of the top face of the ejector block is lower than or equal to that of the bottom face of the concave part, the sliding block contacts with the ejector block through the inclined plane, the horizontal linear motion of the sliding block is effectively converted into the vertical linear motion of the ejector block, the design is ingenious, and the reliability is good.

The utility model is further provided with: the linear driving part is an air cylinder, a hydraulic cylinder or an electric push rod.

The utility model is further provided with: the lower die is provided with a plurality of positioning blocks, the positioning blocks are respectively fixed on two adjacent sides of the lower die, and the surface of one side of the positioning block, facing the lower die, is a positioning surface.

Through adopting above-mentioned technical scheme, the locating piece is used for carrying out manual location to last mould, only need during the location with the edge of last mould and the locating surface conflict of locating piece can, need not the naked eye and observe, positioning process is simple, positioning accuracy is high.

The utility model is further provided with: handles convenient to operate are further arranged at the two ends of the upper die.

Through adopting above-mentioned technical scheme, set up the handle at the both ends of cope match-plate pattern, be convenient for go up the mould and carry out compound die or separation with the lower mould, convenient operation.

The utility model is further provided with: the top surface of the upper die is also provided with a plurality of cylindrical supports, each cylindrical support is fixed in the area corresponding to the convex part on the top of the upper die, and the heights of the cylindrical supports are equal.

Through adopting above-mentioned technical scheme, the atress when cylindric pillar mainly used contacts with the press guarantees that convex part and the abundant pressfitting of concave part that is located cylindric pillar below avoid because of last mould top plane uneven and cause the condition that the recess depth differs, and the processing product quality is better.

The utility model has the beneficial effects that:

1. according to the utility model, the part embedded in the concave part is ejected out through the demoulding device, so that demoulding is realized, the labor intensity of workers is greatly reduced, the chimney cover is not deformed in the demoulding process, and the product quality is better.

2. According to the demolding device, the sliding block is in contact with the ejector block through the inclined surface, so that horizontal linear motion of the sliding block is converted into vertical linear motion of the ejector block, demolding operation is achieved through vertical motion of the ejector block, and the demolding device is ingenious in design and good in reliability.

3. According to the utility model, the plurality of cylindrical supports are arranged on the top surface of the upper die and are used for bearing force when contacting with the press, so that the convex parts and the concave parts below the cylindrical supports are fully pressed, the condition that the depths of grooves are different due to uneven top planes of the upper die is avoided, and the quality of processed products is better.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural view of an upper die, a lower die and a chimney cover in the chimney cover pressing tool.

Fig. 2 is a schematic diagram of a state of a demoulding device in the chimney cover pressing tool before demoulding.

Fig. 3 is a schematic view of the state of the demolding device in the lower mold of the chimney cover pressing tool in demolding.

Fig. 4 is a schematic structural view of an upper die in the chimney cover pressing tool of the present invention.

In the figure, 1, a chimney cover; 2. a groove; 3. an upper die; 4. a lower die; 5. a convex portion; 6. a recess; 7. a cavity; 8. an aperture; 9. a demolding device; 91. a material ejection block; 92. a slider; 93. a linear driving section; 10. positioning blocks; 11. positioning the surface; 12. a handle; 13. a cylindrical support.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

As shown in fig. 1 and 4, a chimney cover pressing tool comprises an upper die 3 and a lower die 4, wherein the upper die 3 is provided with a convex part 5 matched with the shape of each groove 2 in the chimney cover 1, the lower die 4 is provided with a concave part 6 matched with the convex part 5 of the upper die 3, a chimney cover 1 punch forming cavity is formed when the upper die 3 and the lower die 4 are combined, the lower die 4 is provided with a cavity 7, the cavity 7 is positioned below the concave part 6, the bottom surface of the concave part 6 is provided with a hole 8 communicated with the cavity 7, a demoulding device 9 is arranged in the cavity 7, the chimney cover 1 is punched and formed when the upper die 3 and the lower die 4 are combined, the groove 2 of the punched and formed chimney cover 1 is embedded into the concave part 6, and the embedded part in the concave part 6 is ejected out through the demoulding device 9, so as to realize demoulding, the labor intensity of workers is greatly reduced, and the deformation of the chimney cover 1 cannot be caused in the demoulding process, the quality of the product is better.

Specifically, as shown in fig. 2 and 3, the demolding device 9 includes an ejector block 91 for demolding and a slider 92 for driving the ejector block 91 to move up and down to realize demolding, the slider 92 is in sliding fit with the cavity 7, the slider 92 is connected with a linear driving portion 93, when the linear driving portion 93 drives the slider 92 to reciprocate, the slider 92 can drive the ejector block 91 to move up and down, and when the top of the ejector block 91 is higher than the bottom of the concave portion 6, a workpiece embedded in the concave portion 6 can be jacked up, so that demolding is realized, the structure is simple, and the work efficiency is high.

Further, as shown in fig. 2 and 3, the upper end surface of the slider 92 is an inclined surface, the upper end of the ejector block 91 is engaged with the hole 8, the lower end surface of the ejector block 91 is engaged with the inclined surface of the slider 92, when the slider 92 moves horizontally, the lower end surface of the ejector block 91 is gradually contacted with a high point or a low point on the inclined surface of the slider 92, as shown in fig. 3, when the lower end surface of the ejector block 91 is contacted with the high point on the inclined surface of the slider 92, the ejector block 91 is jacked up, as shown in fig. 2, when the lower end surface of the ejector block 91 is contacted with the low point on the inclined surface of the slider 92, the ejector block 91 can be put down, when the ejector block 91 is jacked up, a workpiece embedded in the concave portion 6 can be jacked up, so as to achieve demolding, when the ejector block 91 is put down, the height of the top surface is lower than or equal to the height of the bottom surface of the concave portion 6, the slider 92 is contacted with the ejector block 91 through the inclined surface, so as to effectively convert the horizontal linear motion of the slider into the vertical linear motion of the ejector block, the design is ingenious and the reliability is good.

Further, the linear driving part 93 includes, but is not limited to, an air cylinder or a hydraulic cylinder or an electric push rod.

Further, as shown in fig. 1, a plurality of positioning blocks 10 are arranged on the lower die 4, each positioning block 10 is fixed on two adjacent sides of the lower die 4, a surface of the positioning block 10 facing one side of the lower die 4 is a positioning surface 11, the positioning block 10 is used for manually positioning the upper die 3, only the edge of the upper die 3 is required to be abutted against the positioning surface 11 of the positioning block 10 during positioning, visual observation is not required, the positioning process is simple, and the positioning accuracy is high.

Further, as shown in fig. 1, handles 12 which are convenient to operate are further arranged at two ends of the upper die 3, and the handles are arranged at two ends of the upper die 3, so that the upper die 3 and the lower die 4 can be conveniently assembled or separated, and the operation is convenient.

Further, as shown in fig. 1, the top surface of the upper die 3 is further provided with a plurality of cylindrical pillars 13, each cylindrical pillar 13 is fixed in a region corresponding to the top of the upper die 3 and the convex portion 5, the heights of the cylindrical pillars 13 are equal, the cylindrical pillars 13 are mainly used for bearing force when contacting with a press machine, the convex portions 5 and the concave portions 6 below the cylindrical pillars 13 are fully pressed, the situation that the depth of grooves is different due to uneven top planes of the upper die is avoided, and the quality of processed products is better.

The working principle of the utility model is as follows: placing a metal plate blank on the upper surface of a lower die, abutting the edge of the plate blank against a positioning surface 11 of a positioning block 10, abutting the edge of an upper die 3 against the positioning surface 11 of the positioning block 10 and placing the plate blank on the upper surface, wherein the convex part 5 of the upper die 3 is opposite to the concave part 6 of the lower die 4, starting a press machine, pressing down a press head of the press machine and contacting with a cylindrical support 13 on the upper surface of the upper die 3, continuously pressing down the press machine until the plate blank is pressed and formed, reversely moving the press machine to an initial position, manually removing the upper die 3, starting a linear driving part 93, pushing a slide block 92 to horizontally move leftwards by the linear driving part 93, jacking a jacking block 91, jacking a workpiece embedded into the concave part 6 upwards when the jacking block 91 jacks up, realizing demoulding, starting the linear driving part 93 to reversely move, pushing the slide block 92 to horizontally move rightwards by the linear driving part 93 after the demoulding is completed, the ejector block 91 is put down and the pressed chimney cap 1 can be removed easily without deformation.

Claims

1. The utility model provides a chimney cover suppression frock, includes mould (3) and lower mould (4), go up mould (3) be equipped with chimney cover (1) in each recess (2) shape assorted convex part (5), lower mould (4) be equipped with last mould (3) convex part (5) assorted concave part (6), form chimney cover (1) stamping forming die cavity, its characterized in that when going up mould (3) and lower mould (4) compound die: a cavity (7) is arranged in the lower die (4), the cavity (7) is located below the concave portion (6), a hole (8) communicated with the cavity (7) is formed in the bottom surface of the concave portion (6), and a demolding device (9) is arranged in the cavity (7).

2. The chimney cover pressing tool according to claim 1, characterized in that: the demolding device (9) comprises a plurality of ejector blocks (91) for demolding and a sliding block (92) for driving the ejector blocks (91) to move up and down to realize demolding, the sliding block (92) is in sliding fit with the cavity (7), and the sliding block (92) is connected with a linear driving part (93).

3. The chimney cover pressing tool according to claim 2, characterized in that: the upper end face of the sliding block (92) is an inclined face, the upper end of the ejector block (91) is matched with the hole (8), and the lower end face of the ejector block (91) is matched with the inclined face of the sliding block (92).

4. The chimney cover pressing tool according to claim 2, characterized in that: the linear driving part (93) is an air cylinder, a hydraulic cylinder or an electric push rod.

5. The chimney cover pressing tool according to claim 1, characterized in that: the lower die (4) is provided with a plurality of positioning blocks (10), each positioning block (10) is fixed on two adjacent sides of the lower die (4), and the surface of each positioning block (10) facing one side of the lower die (4) is a positioning surface (11).

6. The chimney cover pressing tool according to claim 1, characterized in that: handles (12) convenient to operate are further arranged at the two ends of the upper die (3).

7. The chimney cover pressing tool according to claim 1, characterized in that: the top surface of the upper die (3) is also provided with a plurality of cylindrical supports (13), each cylindrical support (13) is fixed in the area of the top of the upper die (3) corresponding to the convex part (5), and the heights of the cylindrical supports (13) are equal.