CN207709650U - Tank body stretches jumper bar device and its application - Google Patents

Abstract

The present application discloses a can stretching punch device, which includes a rod body, a first medium passage is formed in the rod body, and at least one through hole communicating with the first medium passage is opened on the circumference of the rod body. The punch device of the utility model adds a medium channel, and when the punch is separated from the tank body, media such as gas, water, and emulsion are applied between the outer surface of the punch and the contact surface of the tank body to reduce the gap between the contact surfaces. The friction force between them is convenient for taking off the tank, and at the same time, the quality of the tank body is improved.

Description

Tank Stretching Punch Device and Its Application

technical field

The application relates to can body stretching and forming equipment for metal cans, in particular to a can body stretching punch device and its application.

Background technique

After the stretching of the metal tank is completed, when the punch returns, the separation between the punch and the tank needs to be realized. In the prior art, usually only a gas channel is opened in the axial direction of the punch, and by applying A pressurized gas to realize the relative movement between the can body and the punch, the existing problems include at least:

(1) The side wall of the tank body is very thin, and the contact surface between it and the punch rod is very large. During the relative movement, the friction force is large, and there are problems of unsmooth and inability to remove the tank;

(2) The decanning method needs to repeatedly adjust the decanning blowing angle and blowing pressure, and the concentricity of the stripping ring is relatively high, which has high requirements for the processing, installation and debugging of the stripping ring;

(3) Steel claws or ceramic blocks must be used to assist the stripping of steel cans and iron cans. Therefore, the processing cost and structure of the stripping ring have high requirements. In addition, the steel claws will scratch the punch. The service life is affected, thus affecting the quality and output of the tank, and also increasing the cost of using the punch;

(4) The impact force between the mouth of the tank and the baffle is large, the mouth of the tank is easily deformed, and the punch will be scratched;

(5) The impact force of the tank on the bottom mold is large, which will cause damage to the tank body and wear of the bottom mold.

Utility model content

The purpose of the utility model is to provide a tank stretching punch device and its application to overcome the deficiencies in the prior art.

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

A can stretching punch device includes a rod body, a first medium passage is formed in the rod body, and at least one through hole communicating with the first medium passage is opened on the circumference of the rod body.

Preferably, the rod body includes a punch rod and a punch sleeved on the outside of the head end of the punch rod. The punch head has a cavity communicated with the axial direction, and there is at least one cavity communicated with the cavity in the circumferential direction of the punch head. through holes.

Preferably, a second medium channel communicating axially is formed inside the punch rod.

Preferably, the second medium channel communicates with the through hole.

Preferably, the first medium channel is formed in the punch, and the first medium channel communicates with the through hole.

Preferably, a second medium channel communicating axially is formed inside the punch rod.

Preferably, the second medium channel shares the same inlet with the first medium channel.

Preferably, the tail end of the punch rod is provided with an inlet passage in the axial direction, and the inlet passage communicates with the second medium passage and the first medium passage respectively, and the inlet passage serves as the connection between the second medium passage and the first medium passage. Same entry for the media channel.

Preferably, the second medium channel and the first medium channel have independent first and second inlets respectively.

Preferably, the tail end of the punch rod is provided with an inlet channel in the axial direction, and the inlet channel communicates with the second medium channel and the first medium channel respectively, and a detachable filling body is arranged in the inlet channel. A packing body separates the inlet channel into the first inlet and the second inlet.

Preferably, the filling body has a cavity communicated in the axial direction, and the cavity is used as the first inlet to communicate with the second medium channel, and the filling body is plugged and connected to the tail end of the second medium channel.

Preferably, the filling body includes an insertion part and a partition, the insertion part fits in the second medium channel, the partition is located between the first inlet and the second inlet, the partition The contact surface between the head and the inlet passage forms a non-90° angle with the axial direction.

Preferably, the first medium channel is located radially outside the second medium channel.

Preferably, the first medium channel and the second medium channel are arranged side by side.

The application also discloses a can body stretching device, including the can body stretching punch device.

Compared with the prior art, the utility model has the advantage that: the punch device of the utility model adds a medium channel, when the punch is separated from the tank body, between the outer surface of the punch and the contact surface of the tank body Apply gas, water, emulsion and other media to reduce the friction between the contact surfaces, facilitate the removal of the tank, and improve the quality of the tank at the same time.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments described in this application. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Figure 1 is a cross-sectional view of the punch device in a specific embodiment of the present invention.

Detailed ways

The technical solutions of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are part of the embodiments of the utility model, but not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, use a specific The azimuth structure and operation, therefore can not be construed as the limitation of the present utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

As shown in FIG. 1 , the can stretching punch device includes a rod body, the rod body includes a punch 10 , and a punch 20 sheathed on the outside of the head end of the punch 10 .

When the tank is stretched, the punch is supported on the inside of the tank.

A spacer cavity 201 is also formed between the punch 20 and the punch rod 10, and sealing rings 202 are respectively arranged on both sides of the spacer cavity 201 to ensure that the spacer cavity 201 has a certain degree of airtightness. It is convenient for the punch to be quickly set on the outside of the punch rod.

In one embodiment, a second medium passage 101 communicating axially is formed inside the punch 10 .

One end of the second medium channel is connected to the pressurized gas. After the tank body is stretched, the pressurized gas acts on the bottom of the tank body to provide power for the relative movement between the tank body and the punch to facilitate the tank body. break away.

In an embodiment, liquid media such as water and emulsion may also be passed into the second medium channel.

A first medium channel 102 is also formed in the punch 10 , and at least one first through hole 103 is opened on the punch 10 , and the first through hole 103 communicates between the first medium channel 102 and the spacer cavity 201 . At least one second through hole 203 is also opened on the punch 20, and the second through hole 203 communicates between the spacer cavity 201 and the outside.

In this technical solution, the medium enters between the punch 20 and the inner surface of the tank through the first medium channel 102 , the first through hole 103 and the second through hole 203 in sequence.

In one embodiment, the first medium channel 102 and the second medium channel 101 are two independent channels, wherein the second medium channel 101 is arranged along the axial direction of the punch 10, and the first medium channel 102 is distributed in the second medium channel. around the channel 101 and arranged side by side with the second medium channel 101 .

The first medium channel 102 may be a plurality of linear channels, or may be an annular channel sleeved around the second medium channel 101 .

In an embodiment, the second medium channel 101 and the first medium channel 102 share the same entrance.

In one embodiment, the medium passed into the first medium channel and the second medium channel is gas, and a gas source can be provided for the first medium channel and the first medium channel at the same time through one inlet.

Specifically, an inlet channel 104 is defined in the axial direction at the tail end of the punch rod 10 , and the inlet channel 104 communicates with the tail ends of the second medium channel 101 and the first medium channel 102 respectively.

The inlet channel 104 is directly connected with the external compressed gas, and can serve as the same inlet of the second medium channel 101 and the first medium channel 102 at the same time.

In another embodiment, a detachable filling body 30 may also be provided in the inlet channel 104 , and the filler body 30 divides the inlet channel 104 into a first inlet 105 and a second inlet 106 . Wherein, the first inlet 105 communicates with the second medium passage 101 and is isolated from the first medium passage 102; isolation.

Further, the filling body 30 has a cavity 301 communicated in the axial direction, and the cavity 301 is used as a first inlet to communicate with the second medium channel, and the filling body 30 is plugged and connected to the tail end of the second medium channel 101 .

Furthermore, the filling body 30 includes an insertion part 302 and a partition part 303, the insertion part 302 fits in the second medium channel 101, the partition part 303 is located between the first inlet 105 and the second inlet 106, and the partition part 303 The contact surface 304 between the head and the inlet channel forms an included angle other than 90° with the axial direction.

In this embodiment, the first inlet and the second inlet are independent, and different media can be introduced into the second medium channel and the first medium channel respectively. In one embodiment, the first medium channel can be introduced into a non-gas medium, For example, emulsion, water, etc., pass through two independent inlets at this time, and the two inlets do not affect each other.

In this technical solution, the filling body is used as a detachable part, so that the medium in the first medium channel can be selected. When the medium in the second medium channel or the first medium channel is the same, the filling body is removed, and the inlet channel The common inlet of the first medium channel and the second medium channel is connected to the same medium source, such as a gas source at the same time. When the second medium channel and the first medium channel are fed into different media, for example, the second medium channel is fed into gas, and the first medium channel is fed into non-gas media, such as emulsion, water, etc., the filling body is inserted Installed in the inlet channel, the inlet channel is divided into independent first inlet and second inlet, which facilitates the independent supply of media in the two channels.

In this technical solution, the insertion part fits in the second medium channel, and a sealing ring is provided between the radial contact surface of the insertion part and the second medium channel to realize the first seal. An inclined contact surface is provided between them, on the one hand, it can play a guiding role for the insertion part to realize quick installation; on the other hand, by increasing the contact area, it can be used as a second seal.

In an embodiment, the first medium passage 102 can also be eliminated, and at this time, only through holes communicating with the first medium passage and the outside need only be opened on the original punch and punch. In a specific example, the gas medium is introduced into the second medium channel, and the punch rod and the punch are respectively provided with through holes communicating with the second medium channel and the outside. The bottom surface, and the other way radially enters the gap between the punch and the tank body through the through hole.

As shown in Figure 1, one path of medium B enters between the contact surface of the can body and the punch radially, so that a gap is formed in the joint part, which reduces the resistance of the canning, so that it is beneficial for the other path of gas A to blow axially to the can Bottom off the tank.

In yet another embodiment, the second medium passage that communicates in the axial direction can be eliminated, and only through the first medium passage can radially provide media such as gas between the punch and the tank wall. In this scheme, the first medium passage is in the axial direction The head end is closed to ensure that the gas can only be generated before the punch and the tank wall. When the gas flows, it can not only act on the gap between the punch and the tank wall, but also flow to the head to act on the bottom surface of the tank body. .

In this case, the inner diameter of the through hole on the punch is 0.05mm to 3mm. Different tank types will have different hole diameter requirements. The number of through holes on the punch head should be at least one, and different tank types will have different hole quantity requirements. , The position of the hole needs to be at the unmatched part of the punch and the punch rod, and there are different position requirements for different tank types. The position of the through hole is preferably close to the middle of the punch, and in other embodiments, it may also be close to both ends of the punch.

The punch device in this case is suitable for cans of various materials, including iron cans, steel cans, laminated iron cans, aluminum cans, etc.

The punching rod device in this case is suitable for various sizes of cans. In particular, the can diameter can be 54-65mm, and the can height can be 85-300mm. Use the required tank type.

Compared with existing technology:

(1) The method of this case can solve all the problems of unsmooth and impossible decanning in the current production tank types in the market;

(2) The traditional decanning method needs to repeatedly adjust the blowing angle and blowing pressure, and the concentricity of the stripping ring is high, which has high requirements for the processing, installation and commissioning of the stripping ring. After the method, the processing requirements and debugging requirements of the stripping ring can be reduced, and the economic cost and time cost of processing and debugging can be saved;

(3) At present, steel claws or ceramic blocks must be used to assist the removal of cans when producing steel cans and iron cans. Therefore, the processing cost and structure of the stripping ring have high requirements. After using the device and method of this case, due to the Smooth, no high requirements on the structure of the stripping ring, just use the rubber ring to take off the tank, reducing the cost of the stripping ring;

(4) At present, steel claws or ceramic blocks must be used to assist in the removal of cans from steel and iron cans. In particular, steel claws can scratch the punch and affect the service life of the punch, thus affecting the quality and output of the can and increasing The use cost of the punch, after using this method, the steel claw can not be used to remove the can, thus solving this problem;

(5) Due to the difficulty of demoulding long cans in the traditional can removal method, the production of more can types is limited. After using this method, the problem of long can removal can be solved, so the can types used in the market can be more abundant , to meet more consumer demand;

(6) After using the device and method of this case to take off the can, the quality of the can mouth is better, which is helpful for the trimming of the edge trimming machine in the next process, thereby reducing the wear and tear on the mold of the edge trimming machine in the next process, and effectively improving the durability of important parts. service life;

(7) After using the device and method of this case, the mouth of the tank is more tidy, thereby reducing the trimming amount of the edge trimming machine in the next process, thereby achieving the advantage of saving more materials;

(8) After using the device and method of this case, the pressure of the axial blowing of the punch can be greatly reduced, and the radial medium pressure requirement is lower, which can achieve the advantages of energy saving and consumption reduction;

(9) After using the device and method of this case, since the axial air pressure of the punch can be reduced, the bottom of the tank can be protected from impact, thereby improving the quality of the tank;

(10) After using the device and method of this case, since the axial air pressure of the punch can be reduced, the impact force of the tank on the bottom mold can be reduced, thereby reducing the wear of the bottom mold;

(11) Since the bottom of the tank can be protected from impact by using the device and method of this case, the bottom mold blowing in the traditional can removal method can be canceled, thereby simplifying the structure of the bottom mold.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand : It can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions depart from the embodiments of the present utility model Scope of technical solutions.

Claims (15)

1. a kind of tank body stretches jumper bar device, it is characterised in that including the body of rod, first medium channel, body of rod week are formed in the body of rod It is further opened at least one through-hole communicated with the first medium channel upwards.

2. tank body according to claim 1 stretches jumper bar device, which is characterized in that the body of rod includes jumper bar, Yi Jitao Punch on the outside of the jumper bar head end, punch have the cavity that axially communicates, be further opened in punch circumferential direction at least one with The through-hole that the cavity communicates.

3. tank body according to claim 2 stretches jumper bar device, which is characterized in that be formed with axial phase inside the jumper bar Logical second medium channel.

4. tank body according to claim 3 stretches jumper bar device, which is characterized in that the second medium channel leads to described Hole is connected to.

5. tank body according to claim 2 stretches jumper bar device, which is characterized in that the first medium channel is formed in institute It states in jumper bar, the first medium channel is connected with through-hole.

6. tank body according to claim 5 stretches jumper bar device, which is characterized in that be formed with axial phase inside the jumper bar Logical second medium channel.

7. tank body according to claim 6 stretches jumper bar device, which is characterized in that the second medium channel is situated between with first Matter channel shares same entrance.

8. tank body according to claim 7 stretches jumper bar device, which is characterized in that the tail end of the jumper bar opens up in an axial direction There is an intake channel, which is connected to the second medium channel and first medium channel respectively, the intake channel Same entrance as the second medium channel and first medium channel.

9. tank body according to claim 6 stretches jumper bar device, which is characterized in that the second medium channel is situated between with first Matter channel is respectively provided with mutually independent first entrance and second entrance.

10. tank body according to claim 9 stretches jumper bar device, which is characterized in that the tail end of the jumper bar is opened in an axial direction Equipped with an intake channel, which is connected to the second medium channel and first medium channel respectively, and the import is logical A dismountable obturator is provided in road, which is separated into the first entrance and second by the intake channel and enters Mouthful.

11. tank body according to claim 10 stretches jumper bar device, which is characterized in that the obturator has axial communicate Cavity, which is connected to as the first entrance with the second medium channel, the obturator and second medium channel Tail end plant connection.

12. tank body according to claim 11 stretches jumper bar device, which is characterized in that the obturator include inserting part and Lattice, the inserting part are matched in the second medium channel, and the lattice is located at the first entrance and second and enters Between mouthful, the contact surface between the head and intake channel of the lattice is with axial in non-90 degree angle.

13. tank body according to claim 6 stretches jumper bar device, which is characterized in that the first medium channel is located at institute State the radial outside in second medium channel.

14. tank body according to claim 13 stretches jumper bar device, which is characterized in that the first medium channel with it is described Second medium channel is set up in parallel.

15. a kind of tank body stretching device, which is characterized in that stretch jumper bar dress including any tank body of claim 1 to 14 It sets.