CN111284115A - Novel equipment for automatic typesetting of steel code - Google Patents

Novel equipment for automatic typesetting of steel code Download PDF

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Publication number
CN111284115A
CN111284115A CN201811487445.1A CN201811487445A CN111284115A CN 111284115 A CN111284115 A CN 111284115A CN 201811487445 A CN201811487445 A CN 201811487445A CN 111284115 A CN111284115 A CN 111284115A
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China
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steel
code
character
box
typesetting
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CN201811487445.1A
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CN111284115B (en
Inventor
吴庆堂
王泽震
陈洪海
修冬
吴焕
段学俊
魏巍
郭波
李珊
康战
李旭
应宇翔
赵国法
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Changchun Equipment & Technology Research Institute
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Changchun Equipment & Technology Research Institute
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Publication of CN111284115A publication Critical patent/CN111284115A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41BMACHINES OR ACCESSORIES FOR MAKING, SETTING, OR DISTRIBUTING TYPE; TYPE; PHOTOGRAPHIC OR PHOTOELECTRIC COMPOSING DEVICES
    • B41B27/00Control, indicating, or safety devices or systems for composing machines of various kinds or types
    • B41B27/02Systems for controlling all operations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41BMACHINES OR ACCESSORIES FOR MAKING, SETTING, OR DISTRIBUTING TYPE; TYPE; PHOTOGRAPHIC OR PHOTOELECTRIC COMPOSING DEVICES
    • B41B27/00Control, indicating, or safety devices or systems for composing machines of various kinds or types
    • B41B27/02Systems for controlling all operations
    • B41B27/24Systems for controlling all operations of several associated machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41CPROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C1/00Forme preparation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41DAPPARATUS FOR THE MECHANICAL REPRODUCTION OF PRINTING SURFACES FOR STEREOTYPE PRINTING; SHAPING ELASTIC OR DEFORMABLE MATERIAL TO FORM PRINTING SURFACES
    • B41D1/00Preparing or treating stereotype matrices

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

A novel device for steel code automatic typesetting mainly comprises a mechanical system and an electrical system, wherein the mechanical system adopts an X, Y, Z three-axis linear driver, realizes accurate positioning of X, Y, Z coordinates, picks and changes steel characters through a gripper, the electrical system adopts PLC control, can finish automatic feeding and discharging of character boxes, automatically changes steel characters, performs automatic typesetting and other actions, adopts double-character-box feeding, ensures that a group of character boxes are printed with codes all the time, and the other group of character boxes perform code arrangement, completes feeding of a new character box and discharging of an old character box each time code change, reduces auxiliary time to the maximum extent, and improves steel character typesetting efficiency; the touch screen is adopted for control, the interface is visual, the operation is simple, the safety and the reliability are realized, when the steel character codes are typeset, the steel character codes are input in sequence, and the corresponding steel character codes are automatically selected through a program optimization algorithm, so that the operator is prevented from directly participating in the production, and the possibility of accidents is reduced.

Description

Novel equipment for automatic typesetting of steel code
Technical Field
The invention relates to novel equipment for automatic layout of steel yards, which is particularly suitable for improving the steel yard layout efficiency and the automation level in the number pressing process in the production process of an iron tower, and is particularly suitable for automatically arranging character boxes with steel yards up and down in the processing process of angle steel, automatically typesetting the steel yards and automatically storing the steel yards.
Background
The number pressing is also called steel seal printing, and is a technological process of pressing the serial number of a product part to a corresponding part of the product by using a steel character code according to a production instruction, each workpiece corresponds to a group of steel numbers, all processing information of the workpiece can be determined by the group of steel numbers, and the accurate and clear number pressing is an important guarantee for ensuring that all geometric characteristics of each workpiece are accurately processed. At present, the existing numerical control automatic line is applied to the iron tower industry, the technological level and the production efficiency of iron tower production are improved, but the automatic line cannot cover all technological processes, particularly, manual number pressing is generally adopted in the number pressing process, manual operation is adopted for typesetting of character codes on a character box, steel character codes are compressed through jackscrews, the steel character codes are placed on a code groove disc of a code printing machine for printing codes, the number pressing of a row of character code strings can be completed at one time, and the number pressing efficiency is high. The manual typesetting is to typeset by utilizing the brain, manually clamp steel codes and replace a character box, an operator typesets the steel codes in the character box according to the number pressing requirement, determines the correctness of the steel code typesetting by the identification of the operator, finishes the steel code typesetting, the operator needs to take out the unused steel codes and place the unused steel codes in a designated position, simultaneously finds out the required steel codes and loads the character box, usually, one character box has twenty steel codes, the manual typesetting is troublesome and labor-consuming, the number pressing auxiliary working time is increased, the number pressing efficiency is influenced, the space of a number printing machine is limited, when the character box is manually clamped, the operator needs to put hands deep into the code printing area of the number printing machine, the hand injury of the operator is easily caused by improper operation, the safety accident is caused, so the novel equipment for the automatic typesetting of the steel codes is developed, the number pressing efficiency is further improved, and the effective way of avoiding the injury of personnel during the number pressing is, the literature referred to at present shows: in the field of iron tower processing, no equipment for automatically arranging steel yards is available at home and abroad.
Disclosure of Invention
In order to overcome and make up the technical defects that the manual steel code typesetting efficiency is low and personnel are easily injured in the existing iron tower number pressing process, the invention provides novel equipment for automatic steel code typesetting. A new kind of apparatus used for steel yard automatic typesetting mainly includes mechanical system and electric system, the mechanical system adopts X, Y, Z triaxial linear actuator, realize X, Y, Z coordinate pinpoint, carry on picking up and changing of steel letter code through the grip, the electric system adopts PLC control, PLC receives various input signals, and send the order to every actuator; the device is provided with a human-computer interface for displaying typesetting information and device operation conditions, manual and automatic switching functions are added, an operator can send an instruction to the device, the operator can control the actions of each mechanism through the human-computer interface, can input and modify various working parameters and set the steel code sequence and quantity in the interface, and can also carry out fault removal and other operations through alarm information prompted by the interface when the machine encounters a fault.
The technical scheme adopted by the invention for solving the technical problem of automatic typesetting is that the novel equipment for automatic typesetting of steel codes is characterized in that accurate positioning of X, Y, Z coordinates is realized through an X, Y, Z three-axis linear driver, steel code picking and replacing are performed through a gripper, feeding and discharging of a character box are performed through a push rod, each execution mechanism is controlled to act through a PLC (programmable logic controller), automatic typesetting of the steel codes is realized, the operation track of each execution mechanism for automatic typesetting is optimized through control program algorithm optimization, and the automatic typesetting efficiency of the steel codes is improved.
The invention solves the technical problem of steel code grabbing, adopts the technical scheme that a novel device for steel code automatic typesetting is characterized in that a X, Y, Z three-axis linear driver is adopted to realize accurate positioning of X, Y, Z coordinates, steel code grabbing action is realized through a pneumatic gripper, the steel code is limited through a claw with a limiting function added on the gripper, the steel code grabbing function is realized, a positioning groove structure is designed on the side surface of the steel code, positioning protrusion structures matched with the positioning groove structure and the claw of the pneumatic gripper are designed on a code groove of a code box, a self-adaptive clamping function is added on the code box, the clamping and positioning precision of the steel code in the code groove of the code box is improved, the code box adopts a split structure, a limiting plate on one side of the code groove of the code box is fixed, a limiting plate on the other side can rotate around pin shafts of baffles on two ends of the code box, the distance between the two limiting plates is reduced under the action of pressure during number pressing, realize the clamping action, when not bearing the pressure effect, two spacing plate interval increases, loosen the steel character code, conveniently take out the steel character code, the jack catch presss from both sides tight steel character code under the drive of pneumatic tongs, protruding structure on the jack catch limits the position of steel character code, guarantees that the relative pneumatic tongs position of steel character code is unchangeable when snatching the steel character code, ensures to get the position precision of putting the steel character code.
The invention solves the technical problem of automatic feeding and discharging of character boxes, adopts the technical scheme that a novel device for automatic steel code typesetting is characterized in that a typesetting machine die holder is driven by an air cylinder and has the function of up-and-down translation, when the character boxes are fed and discharged, a precise position positioning relation is required between the typesetting machine die holder and a coding machine die holder on a production line, so that the character boxes can smoothly slide out from one die holder to the other die holder, the translation position of the typesetting machine die holder is controlled by arranging a limiting plate and a positioning pin structure on the coding machine die holder, when the position of the coding machine die holder is adjusted, the position of the typesetting machine die holder is adjusted along with the motion, so as to ensure that the feeding and discharging positions of the character boxes are precise and reliable, a push rod and a steel code typesetting clamp are connected by adopting an open incomplete groove, the push-and-pull actions on the character boxes can be realized at different positions, the feeding and discharging functions are realized.
The technical scheme adopted by the invention for solving the technical problem of personnel safety during typesetting is that the touch screen and the man-machine exchange interface are added, so that the direct participation of operators in steel character typesetting and character box loading and unloading actions is avoided, and the safety of personnel is guaranteed.
The invention has the beneficial effects that: a novel device for steel code automatic typesetting can complete the actions of automatic feeding and discharging of steel code character boxes, automatic steel code changing, automatic typesetting and the like, adopts double-code box feeding, one three-code box group and one two-four-code box group to ensure that one code box group is printed with codes all the time, the other code box group is arranged with codes, new code box feeding and old code box discharging are completed each time of code changing, the auxiliary time is reduced to the maximum extent, and the steel code character box replacing efficiency is improved; the novel equipment for automatic steel code typesetting adopts touch screen control, the interface is visual, the operation is simple, the safety and the reliability are realized, the actions of each mechanism can be controlled by an operator through a human-computer interface, various working parameters can be input and modified in the interface, the sequence, the quantity and the sequence of the steel codes can be set, the downtime is realized, the fault removal and other operations can be carried out through alarm information prompted by the interface when the machine encounters a fault, the steel codes are input in sequence during steel code typesetting, the corresponding steel codes are automatically selected through a program optimization algorithm, the operator is prevented from directly participating in production, and the possibility of accidents is reduced. Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is an isometric view of a novel equipment structure for automatic typesetting of steel yards.
Figure 2 is an isometric view of a stent structure.
FIG. 3 is an isometric view of a code wheel structure.
Figure 4 is an isometric view of the configuration of the code device.
FIG. 5 is an isometric view of a hinge frame unit structure.
Fig. 6 is an isometric view of the structure of the magazine loading/unloading mechanism.
FIG. 7 is an isometric view of a die holder structure of the automatic steel code typesetting equipment.
FIG. 8 is an isometric view of a fork structure.
Fig. 9 is a schematic view of a novel steel code positioning and clamping mode.
Figure 10 is an isometric view of the novel word box structure.
Fig. 11 is a schematic diagram of the adaptive clamping of the novel steel-type code and the code box.
In the figure, 1, a support, 2, a steel code disc, 3, a code arranging device, 4, a hinge frame unit, 5, a character box feeding and discharging mechanism, 6, a novel character box, 7, a code printer die holder, 8, a code printer, 9, a steel code limiting plate, 10, a novel steel code, 11, a flat plate, 12, a cantilever type three-axis linear driver, 13, a jaw, 14, a pneumatic gripper, 15, a base, 16, a pneumatic motor, 17, a motor seat, 18, a coupler, 19, a bearing seat 1, 20, a connecting rod, 21, a fixed hinge seat, 22, an angle limiting block, 23, a translation limiting block, 24, a rotating hinge seat, 25, a bearing seat 2, 26, a pneumatic sliding table, 27, a fixed plate, 28 typesetting equipment die holders, 29 cylinders and 30 push rods are arranged.
Detailed Description
A novel equipment that is used for automatic typesetting of steel sign indicating number its characterized in that: a mechanical system of novel equipment for automatic typesetting of steel yards comprises a support 1, a steel yard disc 2, a yard arranging device 3, a hinge frame unit 4, a feeding and discharging mechanism 5, a novel character box 6 and a novel steel character yard 10; the bracket 1 is a frame structure formed by welding 40-40 square steel, and the structure is stable; the steel code disc 2 is fixed on the support 1, the steel code disc 2 is used for storing steel codes and is of a layered structure, the upper layer is a steel code limiting plate 9 which limits the positions of the steel codes in the X-axis direction and the Y-axis direction in a coordinate system, and the bottom part is a flat plate 11 which limits the positions of the steel codes in the Z-axis direction in the coordinate system; the novel steel character code 11 is provided with the limiting grooves on two sides on the basis of the traditional steel character code, so that the steel character code grabbing precision can be improved, and meanwhile, the novel steel character code is used for limiting when the steel character code is typeset on a novel character box, so that the code printing precision is improved; the code arranging device 3 adopts a cantilever type three-axis linear driver 12 to drive a pneumatic gripper 14 to carry out steel code grabbing, three-axis servo driving can effectively control the motion precision, a Z-axis moving module is provided with the pneumatic gripper 14, a gripper front end clamping jaw 13 is matched with grooves on two sides of a novel steel character code 10, the steel character code can be accurately grabbed, and efficient typesetting of the steel character code in a novel character box 6 is realized through three-axis servo driving; the bottom surface of a 6-code groove of the novel character box is in contact with the lower surface of a steel character code, limiting plates are arranged on two sides of the novel character box, one limiting plate on one side is fixed with the character box, the other limiting plate on the other side can rotate around a pin shaft, the limiting plates are locked under the pressure action of a code printer, the clamping position of the steel character code is fixed, the code printing is ensured to be clear and reliable, the limiting plates are loosened under the action of no load, the required gap for automatic typesetting of the steel character code is ensured; the hinge frame unit 3 is composed of a base 15, a pneumatic motor 16, a motor seat 17, a coupler 18, a bearing seat 119, a connecting plate 20, a fixed hinge seat 21, an angle limiting block 22, a translation limiting block 23, a rotating hinge 24, a bearing seat 25, a pneumatic sliding table 26 and a fixed plate, the hinge frame unit 3 is driven by the pneumatic motor 16, the rotation of the typesetting equipment die holder can be realized, the rotation angle is controlled by the angle limiting block 22, the inclination angle during work and the horizontal requirement during typesetting can be met, the typesetting equipment die holder and the connecting plate 20 are driven by the pneumatic sliding table 26 and matched with the limiting block, the alignment of the typesetting equipment die holder and the coding machine die holder is realized, and the novel character box is ensured not to be blocked in the movement of the typesetting equipment die; when the feeding and discharging are operated, the code disc seat of the code printer is controlled to be positioned in a specific area through communication with the upper computer, namely the code disc seat is completely positioned in a feed inlet area, so that the interference of the feed inlet of the code printer is avoided in the feeding and discharging process of the code arranging machine; the word box loading and unloading mechanism 5 is composed of a typesetting equipment die holder 28, a novel word box 6, a push rod 30 and a cylinder 29, the word box loading and unloading mechanism 5 is driven by the cylinder 29, the push rod 30 and the typesetting equipment die holder 28 are connected through an open type incomplete groove, the push rod 30 can push and pull two groups of novel word boxes 6 to reciprocate along the typesetting equipment die holder simultaneously, and the loading and unloading function is achieved.
A novel equipment typesetting operation flow for automatic steel code typesetting: 1. the code printer is ready to work-2, a new character box is rotated to a feeding angle-3, the new character box is moved to a feeding station-4, the cylinder extends out, the new character box is fed-5, the new character box is moved to a feeding station-6, the rodless cylinder retracts, the old character box is fed-7, the old character box is rotated to a horizontal position-8, the old character box is moved to a code arranging area-9, the code printer works-10, the unused steel character codes on the old character box are put back to a steel code library-11, the steel character codes are automatically replaced-12, the new character box is moved to a position-13 to be fed, and feeding is waited.

Claims (4)

1. A novel equipment that is used for automatic typesetting of steel sign indicating number its characterized in that: a mechanical system of novel equipment for automatic typesetting of steel yards comprises a support 1, a steel yard disc 2, a yard arranging device 3, a hinge frame unit 4, a feeding and discharging mechanism 5, a novel character box 6 and a novel steel character yard 10; the bracket 1 is a frame structure formed by welding 40-40 square steel, and the structure is stable; the steel code disc 2 is fixed on the support 1, the steel code disc 2 is used for storing steel codes and is of a layered structure, the upper layer is a steel code limiting plate 9 which limits the positions of the steel codes in the X-axis direction and the Y-axis direction in a coordinate system, and the bottom part is a flat plate 11 which limits the positions of the steel codes in the Z-axis direction in the coordinate system; the novel steel character code 11 is provided with the limiting grooves on two sides on the basis of the traditional steel character code, so that the steel character code grabbing precision can be improved, and meanwhile, the novel steel character code is used for limiting when the steel character code is typeset on a novel character box, so that the code printing precision is improved; the code arranging device 3 adopts a cantilever type three-axis linear driver 12 to drive a pneumatic gripper 14 to carry out steel code grabbing, three-axis servo driving can effectively control the motion precision, a Z-axis moving module is provided with the pneumatic gripper 14, a gripper front end clamping jaw 13 is matched with grooves on two sides of a novel steel character code 10, the steel character code can be accurately grabbed, and efficient typesetting of the steel character code in a novel character box 6 is realized through three-axis servo driving; the bottom surface of a 6-code groove of the novel character box is in contact with the lower surface of a steel character code, limiting plates are arranged on two sides of the novel character box, one limiting plate on one side is fixed with the character box, the other limiting plate on the other side can rotate around a pin shaft, the limiting plates are locked under the pressure action of a code printer, the clamping position of the steel character code is fixed, the code printing is ensured to be clear and reliable, the limiting plates are loosened under the action of no load, the required gap for automatic typesetting of the steel character code is ensured; the hinge frame unit 3 is composed of a base 15, a pneumatic motor 16, a motor seat 17, a coupler 18, a bearing seat 119, a connecting plate 20, a fixed hinge seat 21, an angle limiting block 22, a translation limiting block 23, a rotating hinge 24, a bearing seat 25, a pneumatic sliding table 26 and a fixed plate, the hinge frame unit 3 is driven by the pneumatic motor 16, the rotation of the typesetting equipment die holder can be realized, the rotation angle is controlled by the angle limiting block 22, the inclination angle during work and the horizontal requirement during typesetting can be met, the typesetting equipment die holder and the connecting plate 20 are driven by the pneumatic sliding table 26 and matched with the limiting block, the alignment of the typesetting equipment die holder and the coding machine die holder is realized, and the novel character box is ensured not to be blocked in the movement of the typesetting equipment die; when the feeding and discharging are operated, the code disc seat of the code printer is controlled to be positioned in a specific area through communication with the upper computer, namely the code disc seat is completely positioned in a feed inlet area, so that the interference of the feed inlet of the code printer is avoided in the feeding and discharging process of the code arranging machine; the word box loading and unloading mechanism 5 is composed of a typesetting equipment die holder 28, a novel word box 6, a push rod 30 and a cylinder 29, the word box loading and unloading mechanism 5 is driven by the cylinder 29, the push rod 30 and the typesetting equipment die holder 28 are connected through an open type incomplete groove, the push rod 30 can push and pull two groups of novel word boxes 6 to reciprocate along the typesetting equipment die holder simultaneously, and the loading and unloading function is achieved.
2. The novel equipment for automatic typesetting of steel yards according to claim 1 is characterized in that: accurate positioning of X, Y, Z coordinates is achieved through an X, Y, Z three-axis linear driver, steel character codes are picked and replaced through a gripper, feeding and discharging of a character box are achieved through a push rod, each execution mechanism is controlled to act through a PLC, automatic typesetting of the steel character codes is achieved, running tracks of the execution mechanisms which are automatically typeset are optimized through optimization of a control program algorithm, and automatic typesetting efficiency of the steel character codes is improved.
3. The novel equipment for automatic typesetting of steel yards according to claim 1 is characterized in that: the accurate positioning of X, Y, Z coordinates is realized by adopting an X, Y, Z three-axis linear driver, the steel code is grabbed by a pneumatic grab, the steel code is limited by a jaw with a limiting function arranged on the grab, the steel code is grabbed, the steel code grabbing function is realized, a positioning groove structure is designed on the side surface of the steel code, a positioning protrusion structure matched with the positioning protrusion structure is designed on a code groove of a code box and the jaw of the pneumatic grab, the self-adaptive clamping function is added to the code box, the clamping and positioning precision of the steel code in the code groove of the code box is improved, the code box adopts a split structure, a limiting plate on one side of the code groove of the code box is fixed, a limiting plate on the other side can rotate around a pin shaft of a baffle at the two ends of the code box, the distance between two limiting plates is reduced under the action of pressure when the code is pressed, the clamping action is realized, the distance between the two limiting plates is increased under the action, the jack catch presss from both sides tight steel character code under the drive of pneumatic tongs, and protruding structure on the jack catch limits the position of steel character code, guarantees that the steel character code is unchangeable relative pneumatic tongs position when snatching steel character code, ensures to get the position precision of putting the steel character code.
4. The novel equipment for automatic typesetting of steel yards according to claim 1 is characterized in that: the typesetter die holder is driven by the cylinder and has the function of up-down translation, when a character box is loaded and unloaded, the precise position positioning relation is required between the typesetter die holder and the coding machine die holder on a production line, so that the character box can smoothly slide out from one die holder to the other die holder, the limiting plate is arranged on the coding machine die holder, the translation position of the typesetter die holder is controlled by the positioning pin structure, when the position of the coding machine die holder is adjusted, the position of the typesetter die holder is adjusted in a follow-up manner, the accurate and reliable loading and unloading positions of the character box are ensured, the push rod and the steel code typesetting clamp are connected by adopting an open incomplete groove, the push-pull action on the character box can be realized at different positions, and the push rod can push and pull two groups of steel code typesetting character boxes.
CN201811487445.1A 2018-12-06 2018-12-06 Equipment for automatic typesetting of steel code Expired - Fee Related CN111284115B (en)

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CN111284115B CN111284115B (en) 2022-02-22

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86200914U (en) * 1986-01-27 1987-12-05 张魁中 Portable chinese character composing machine
JP2001109746A (en) * 1999-10-13 2001-04-20 Toshiba Corp Header preparing terminal and typesetting system
CN202592974U (en) * 2012-06-04 2012-12-12 玉溪市群力工贸有限公司 Coding device capable of changing steel figures quickly for cartons
CN203995158U (en) * 2014-08-04 2014-12-10 重庆杰信联众机械有限公司 The fixture of fixing letter punch
EP3047978A1 (en) * 2015-01-23 2016-07-27 KIG, podjetje za proizvodnjo in upravijanje druzb, d.d. Mechanical press for printing or impressing symbols on a substrate
US20160221322A1 (en) * 2015-01-23 2016-08-04 Fitz and Startz, LLC Typesetting grid system
CN206049069U (en) * 2016-08-29 2017-03-29 楚天科技股份有限公司 A kind of letter punch imprinting apparatus and box packing machine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86200914U (en) * 1986-01-27 1987-12-05 张魁中 Portable chinese character composing machine
JP2001109746A (en) * 1999-10-13 2001-04-20 Toshiba Corp Header preparing terminal and typesetting system
CN202592974U (en) * 2012-06-04 2012-12-12 玉溪市群力工贸有限公司 Coding device capable of changing steel figures quickly for cartons
CN203995158U (en) * 2014-08-04 2014-12-10 重庆杰信联众机械有限公司 The fixture of fixing letter punch
EP3047978A1 (en) * 2015-01-23 2016-07-27 KIG, podjetje za proizvodnjo in upravijanje druzb, d.d. Mechanical press for printing or impressing symbols on a substrate
US20160221322A1 (en) * 2015-01-23 2016-08-04 Fitz and Startz, LLC Typesetting grid system
CN206049069U (en) * 2016-08-29 2017-03-29 楚天科技股份有限公司 A kind of letter punch imprinting apparatus and box packing machine

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