CN113954559A - Special steel seal printing device - Google Patents
Special steel seal printing device Download PDFInfo
- Publication number
- CN113954559A CN113954559A CN202111270773.8A CN202111270773A CN113954559A CN 113954559 A CN113954559 A CN 113954559A CN 202111270773 A CN202111270773 A CN 202111270773A CN 113954559 A CN113954559 A CN 113954559A
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- Prior art keywords
- piston
- fixing piece
- magnet
- rear fixing
- marking device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 229910000831 Steel Inorganic materials 0.000 title description 11
- 239000010959 steel Substances 0.000 title description 11
- 238000007639 printing Methods 0.000 title description 6
- 238000010304 firing Methods 0.000 claims abstract description 17
- 239000003302 ferromagnetic material Substances 0.000 claims abstract description 10
- 230000005291 magnetic effect Effects 0.000 claims description 10
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 4
- 238000010791 quenching Methods 0.000 claims description 4
- 230000000171 quenching effect Effects 0.000 claims description 4
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 239000011651 chromium Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 8
- 230000001133 acceleration Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
- B44B5/00—Machines or apparatus for embossing decorations or marks, e.g. embossing coins
- B44B5/0052—Machines or apparatus for embossing decorations or marks, e.g. embossing coins by pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
- B44B5/00—Machines or apparatus for embossing decorations or marks, e.g. embossing coins
- B44B5/02—Dies; Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
- B44B5/00—Machines or apparatus for embossing decorations or marks, e.g. embossing coins
- B44B5/02—Dies; Accessories
- B44B5/026—Dies
Landscapes
- Actuator (AREA)
Abstract
The invention discloses a special marking device which comprises an air cylinder and a word head, wherein the air cylinder comprises an outer cylinder body and a piston, one end of the outer cylinder body is provided with a rear fixing piece, and the rear fixing piece is made of ferromagnetic materials; a magnet is arranged on the side of the piston facing the rear fixing piece, and a firing pin is arranged on the side of the piston facing away from the magnet; the magnet and the rear fixing piece are always kept in attraction, when and only when the attraction force of the magnet and the rear fixing piece is overcome by the pressure of gas introduced into the air cylinder, the piston drives the striker to move towards the side where the word head is located, the striker is contacted with the word head, and the powerful magnet is assisted by a smart structure, so that the piston can move at different speeds when moving forwards and backwards during marking, and sufficient impact force is provided during marking. The marking cylinder is small in manufacturing size, simple in design structure, convenient to install and use, durable in component durability, large in impact force when an internal piston moves forwards, and clear in marking handwriting.
Description
Technical Field
The invention belongs to the technical field of machining equipment, and particularly relates to a special steel seal printing device.
Background
The steel seal of fixed character on the market, mostly adopt manual the striking, also adopt the cylinder, the fixed character marking mechanism of end, it is more nevertheless often to connect the installation annex, under the same bore condition, standard cylinder piston quality is little, the moving speed of cylinder is slower in effectual motion stroke, kinetic energy is not enough, and the energy of giving the first steel matrix of word is not enough, and the vestige of printing out is unclear.
Disclosure of Invention
The invention aims to provide a special steel seal printing device, which aims to solve the technical problems in the background technology.
In order to solve the technical problem, the invention aims to realize that:
a special marking device comprises a cylinder and a word head, wherein the cylinder comprises an outer cylinder body and a piston, one end of the outer cylinder body is provided with a rear fixing piece, and the rear fixing piece is made of ferromagnetic materials; a magnet is arranged on the side of the piston facing the rear fixing piece, and a firing pin is arranged on the side of the piston facing away from the magnet; the magnet and the rear fixing piece are always kept in attraction, and when and only when the attraction force of the magnet and the rear fixing piece is overcome by the pressure of gas introduced into the air cylinder, the piston drives the firing pin to move towards the side where the word head is located, and then the firing pin is contacted with the word head.
On the basis of the above scheme and as a preferable scheme of the scheme: the outer cylinder body is made of non-ferromagnetic materials.
On the basis of the above scheme and as a preferable scheme of the scheme: the front fixing piece is arranged at the end, far away from the rear fixing piece, of the outer cylinder body; the front fixing piece is provided with a word head mounting hole, one end of the word head is embedded into the word head mounting hole, and the end of the word head is exposed to the firing pin through the word head mounting hole.
On the basis of the above scheme and as a preferable scheme of the scheme: the side, close to the firing pin, of the word head mounting hole is also provided with a firing pin avoiding hole, and the firing pin avoiding hole is in clearance fit with the firing pin.
On the basis of the above scheme and as a preferable scheme of the scheme: and the rear fixing piece and the front fixing piece are provided with a first gas passage and a second gas passage, and the first gas passage and the second gas passage are respectively communicated with the front end and the rear end of the piston in the outer cylinder body.
On the basis of the above scheme and as a preferable scheme of the scheme: the magnetic ring sensor is used for detecting the position of the magnet.
On the basis of the above scheme and as a preferable scheme of the scheme: the front fixing piece is provided with a threaded hole, and the limiting screw is screwed into the threaded hole and partially positioned in the limiting groove.
On the basis of the above scheme and as a preferable scheme of the scheme: the piston is made of ferromagnetic materials.
On the basis of the above scheme and as a preferable scheme of the scheme: the piston is made of carbon steel and is subjected to quenching treatment and surface chromium plating.
On the basis of the above scheme and as a preferable scheme of the scheme: the bolt will magnet is fixed in on the piston, back mounting orientation bolt one side has been seted up and has been dodged the hole, dodge the downthehole diameter and be greater than the external diameter of bolt just can with the bolt is acceptd completely.
Compared with the prior art, the invention has the outstanding and beneficial technical effects that: the invention designs a special marking device, which adopts a smart structure to assist a powerful magnet, so that a piston can move at different speeds when moving forwards and backwards during marking, and the marking device has enough impact force during marking. The marking cylinder is small in manufacturing size, simple in design structure, convenient to install and use, durable in component durability, large in impact force when an internal piston moves forwards, and clear in marking handwriting.
Drawings
FIG. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is an exploded view of the present invention;
fig. 3 is a half-sectional view of the present invention.
Detailed Description
In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments obtained by a person skilled in the art without making any inventive step, based on the given embodiments, fall within the scope of protection of the present application.
In the description of the present application, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
In the description of the present application, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated.
The stamping requires clear writing and sufficient kinetic energy to act on the character head, which requires a relatively large mass or speed of the impact hammer, and is generally realized by manually hammering or pneumatically hammering the character head.
In automation equipment or steel seal printing occasions requiring efficient reciprocating motion, a pneumatic impact marking method is generally adopted. At present, the function of installing a character head in front of a standard cylinder and expanding the character head into a marking cylinder is mostly adopted, or the function is realized by adopting a self-made pneumatic impact mechanism. The common disadvantages of these retrofit devices are large and bulky mechanisms, inconvenient installation and use; the piston has low motion speed, the impact force on the steel seal of the typewriting character die is weak, and the typewriting trace is fuzzy; meanwhile, the components are specially made, the universality of accessories is poor, a character die with a specific shape is specially manufactured, and the manufacturing cost is high.
In a general pneumatic marking mechanism, from the beginning of air inflation, when the pressure difference between two surfaces of a piston is greater than static friction force, the piston starts to move, so that the air inflation process of a cylinder, which is also the movement process of the piston, is always low, the acceleration of the movement process of the piston is also small, and the piston speed is not high enough after the marking stroke is finished.
Therefore, the application discloses a special marking device, which comprises a cylinder and a word head 7, wherein the cylinder comprises an outer cylinder body 1 and a piston 4, a rear fixing piece 3 is arranged at one end of the outer cylinder body 1, and the rear fixing piece 3 is made of ferromagnetic materials; the front fixing piece 2 is arranged at the end, far away from the rear fixing piece 3, of the outer cylinder body 1, the rear fixing piece 3 and the front fixing piece 2 are provided with a first gas passage and a second gas passage, and the first gas passage and the second gas passage are respectively communicated with the front end space and the rear end space of a piston 4 in the outer cylinder body 1, so that air inlet and air outlet can be switched by switching the first gas passage and the second gas passage in the working process, and reciprocating motion of the piston is realized; it should be noted that the outer cylinder 1 is made of non-ferromagnetic material, such as stainless steel, aluminum, etc., so as to prevent the speed from being affected by the magnetic attraction between the inner magnet and the outer cylinder. Further, in this embodiment, the front fixing member 2 and the rear fixing member 3 are connected to the outer cylinder 1 by a screw connection method to form the whole cylinder, and in order to prevent looseness and air leakage, a sealing gasket 10 is added to the connection ends of the front fixing member 2 and the rear fixing member 3 to the outer cylinder 1, thereby improving the sealing performance of the whole cylinder. Further preferably, in the present embodiment, the front fixing member 2 is provided with a head mounting hole 2.3, one end of the head 7 is inserted into the head mounting hole 2.3, and the head mounting hole 2.3 exposes the end of the head 7 to the striker 5. In the embodiment, the word head 7 is preferably a standard square word head, the side of the word head mounting hole 2.3 close to the striker 5 is also provided with a striker avoiding hole, the striker avoiding hole is in clearance fit with the striker, the inner contour of the word head mounting hole is matched with the body of the word head 7, namely the first word head mounting hole is a square hole; the second prefix mounting hole is close to the side where the striker 5 is located, and the second prefix mounting hole is in clearance fit with the striker 5, and in the present embodiment, the cross section of the striker 5 is preferably circular, so the cross section of the second prefix mounting hole is also circular, and the inner diameter of the second prefix mounting hole is larger than the outer diameter of the striker 5, and the second prefix mounting hole is used for avoiding the striker 5, so that the striker 6 can directly impact the prefix 7.
In the present embodiment, the piston 4 is located in the cylinder, and the piston 4 is made of ferromagnetic material. The piston 4 is made of carbon steel and is subjected to quenching treatment, and the surface is plated with chrome, particularly a standard quenching chrome plating optical axis can be selected as the optimal surface, the surface is smooth, hard and wear-resistant, and the motion resistance is small; a magnet 6 is arranged on the side of the piston 4 facing the rear fixing piece 3, a striker 5 is arranged on the side of the piston facing away from the magnet 6, and the material of the striker 5 is preferably hard alloy; a bolt 12 fixes the magnet 6 on the piston 4, the whole piston assembly can slide back and forth in the outer cylinder 1, the end where the forward fixing piece 2 is located moves to impact the character head 7, and the end where the backward fixing piece 3 is located moves to the bottom and is attracted together by the magnet 6 and the rear end blanking cover 3; in this embodiment, when and only when the pressure of the gas introduced into the cylinder overcomes the attraction force between the magnet 6 and the rear fixing member 3, the piston 4 drives the striker 5 to move to the side of the print head 7, and then the striker 5 contacts the print head 7. In the embodiment, the rear fixing piece 3 is preferably made of common steel, when the piston 4 is at the tail end, the magnet 6 and the rear fixing piece 3 are attracted together, when marking is carried out, compressed air is introduced through the first air passage, due to the attraction effect of the magnet 6 and the rear fixing piece 3, the piston 4 is just inflated and does not move, when the inflation pressure in the cylinder body is continuously increased, the piston 4 is separated from the tail end and moves forwards after the magnetic attraction force of the magnet 6 and the rear fixing piece is overcome, the force area of the piston 4 under the thrust of air pressure is suddenly increased, and the piston 4 has larger acceleration under high air pressure, so that the piston 4 can obtain a faster tail end speed in a limited stroke. In order to avoid the interference of the bolt 12 with the attraction between the magnet 6 and the rear fixing member 3 in this embodiment, preferably, the rear fixing member 3 is provided with an avoiding hole 3.1 on one side facing the bolt 12, the inner diameter of the avoiding hole 3.1 is larger than the outer diameter of the bolt 12, and the bolt 12 can be completely accommodated, so that the end face of the magnet 6 is fully attached to the end face of the rear fixing member 3.
Certainly, in order to prevent the character head 7 from being separated in the moving process, the character head limiting assembly is further included in the embodiment, the character head limiting assembly includes a limiting screw 9 and a limiting groove 7.1 formed in the body of the character head 7, the front fixing member 2 is provided with a threaded hole 2.2, and the limiting screw 9 is screwed into the threaded hole 2.2 and is partially located in the limiting groove 7.1. The limiting screw 9 is adjusted to enable the character head 7 to move flexibly and limit the front-back moving distance of the character head 7, the character head 7 can freely slide back and forth in a limited range, and the specific sliding stroke is determined by the length of the limiting groove 7.1; therefore, the word head 7 moves towards the outside of the air cylinder under the impact of the firing pin 5 during marking, and hits against a jointed workpiece, so that the surface of the workpiece generates local plastic deformation, and marking on the surface of the workpiece is completed. In addition, in the present embodiment, the font 7 is preferably modified by a standard square font purchased from the market, and a font having a specific shape is not required to be manufactured, so that the manufacturing cost is low.
The magnetic ring sensor 11 is used for detecting the position of the magnet 6 and sensing and confirming the position of the piston 4, so that automatic control is realized conveniently. Due to the existence of the internal magnet, in the application of the automatic equipment, the magnetic induction switch 11 is additionally arranged outside the cylinder body, so that the front and back positions of the piston 4 can be known, and the compressed air pipe is connected with the front and back air connecting ports of the cylinder by matching with an external electromagnetic valve, thereby realizing the automatic control of the marking cylinder.
The working principle of the application is as follows: according to the kinematic principle, the final speed obtained by the piston
Sliding distance S before finally contacting the steel seal head, kinetic energy obtained by moving parts
Equal to the product of the force F and the displacement S. For variable acceleration motion under the action of non-constant force, the piston moves for a distance S under the action of air pressure thrust F to finally obtain kinetic energy E,
it can be seen that, under the condition of a certain stroke S, the final energy E is in direct proportion to the acting force F, and the larger the acting force received by the piston in the motion process is, the final product isThe greater the kinetic energy of the accumulation.
According to the device disclosed by the invention, the powerful magnet 5 is additionally arranged at the tail part of the piston 4, the piston 4 is attracted with the rear fixing piece 3 through the magnet 6 in the initial state of marking action, so that when the marking is started, compressed air is introduced into the cylinder through the first air passage, the piston 4 cannot move immediately, when the air pressure in the inflation pipeline is sufficiently high and the air pressure on the piston is greater than attraction magnetic force, the piston 4 and the rear fixing piece 3 are forced to be separated, the piston 4 moves forwards, the air pressure at the rear end in the outer cylinder body 1 is always in a high-pressure state, and the piston 4 has relatively large acceleration when moving forwards, so that sufficiently high kinetic energy is obtained in an effective movement distance, the energy of a firing pin striking the character head 7 is sufficiently high, and a clearer steel mark is obtained on a workpiece.
When the piston 4 returns, the external air valve switches the direction, compressed air is filled from the front end of the marking cylinder (namely, the second air passage), the piston 4 is pushed back to the rear position at normal speed, and the magnet 6 and the rear fixing piece 3 are attracted together to prepare for the next marking.
Therefore, the marking cylinder is compact in structure, small in size, small in required installation space, free in installation direction and wide in application. And the whole cost of manufacture of cylinder is with low costs, preferentially adopts standard outsourcing spare part, need not special manufacturing embossed seal matrix, and spare part is more easily obtained. And the air pipes are connected to the first air passage and the second air passage, so that the automatic control function can be realized by matching with an external electromagnetic valve and a magnetic ring sensor, and the control is easy.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. The utility model provides a special marking device, includes cylinder and prefix (7), the cylinder includes outer barrel (1) and piston (4), its characterized in that: a rear fixing piece (3) is arranged at one end of the outer cylinder body (1), and the rear fixing piece (3) is made of a ferromagnetic material; a magnet (6) is arranged on the side of the piston (4) facing the rear fixing piece (3); a firing pin (5) is arranged on the side departing from the magnet (6); the magnet (6) and the rear fixing piece (3) are always attracted, and when and only when the suction force of the magnet (6) and the rear fixing piece (3) is overcome by the gas pressure introduced into the cylinder, the piston (4) drives the striker (5) to move towards the side where the word head (7) is located, and then the striker (5) is in contact with the word head (7).
2. A special marking device as claimed in claim 1, wherein: the outer cylinder body (1) is made of non-ferromagnetic materials.
3. A special marking device as claimed in claim 1, wherein: the front fixing piece (2) is arranged at the end, far away from the rear fixing piece (3), of the outer cylinder body (1); the front fixing piece (2) is provided with a word head mounting hole (2.3), one end of the word head (7) is embedded into the word head mounting hole (2.3), and the end of the word head (7) is exposed to the firing pin (5) through the word head mounting hole (2.3).
4. A special marking device as claimed in claim 3, wherein: the word head mounting hole (2.3) is close to the side where the firing pin (5) is located and is also provided with a firing pin avoiding hole, and the firing pin avoiding hole is in clearance fit with the firing pin (5).
5. A special marking device as claimed in claim 3, wherein: and the rear fixing piece (3) and the front fixing piece (2) are provided with a first gas passage and a second gas passage, and the first gas passage and the second gas passage are respectively communicated with the front end and the rear end of the piston (4) in the outer cylinder body (1).
6. A special marking device as claimed in claim 1, wherein: the magnetic ring type piston valve is characterized by further comprising a magnetic ring sensor (11), wherein the magnetic ring sensor (11) is used for detecting the positions of the magnet (6) and the piston (4).
7. A special marking device as claimed in claim 3, wherein: the novel character head limiting device is characterized by further comprising a character head limiting assembly, the character head limiting assembly comprises a limiting screw (9) and a limiting groove formed in the body of the character head (7), a threaded hole (2.2) is formed in the front fixing piece (2), the limiting screw (9) is screwed into the threaded hole (2.2) and is partially located in the character head (7) limiting groove.
8. A special marking device as claimed in claim 1, wherein: the piston (4) is made of ferromagnetic material.
9. A special marking device as claimed in claim 8, wherein: the piston (4) is made of carbon steel and is subjected to quenching treatment and surface chromium plating.
10. A special marking device as claimed in claim 1, wherein: a bolt (12) will magnet (6) are fixed in on piston (4), back mounting (3) orientation avoidance hole (3.1) have been seted up to bolt (12) one side, avoidance hole (3.1) internal diameter is greater than the external diameter of bolt (12) and can with bolt (12) are acceptd completely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111270773.8A CN113954559A (en) | 2021-10-29 | 2021-10-29 | Special steel seal printing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111270773.8A CN113954559A (en) | 2021-10-29 | 2021-10-29 | Special steel seal printing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113954559A true CN113954559A (en) | 2022-01-21 |
Family
ID=79468328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111270773.8A Pending CN113954559A (en) | 2021-10-29 | 2021-10-29 | Special steel seal printing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113954559A (en) |
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