CN110978808B - Automatic marking device for graphite electrode - Google Patents
Automatic marking device for graphite electrode Download PDFInfo
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- CN110978808B CN110978808B CN201911178932.4A CN201911178932A CN110978808B CN 110978808 B CN110978808 B CN 110978808B CN 201911178932 A CN201911178932 A CN 201911178932A CN 110978808 B CN110978808 B CN 110978808B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
- B41J3/4073—Printing on three-dimensional objects not being in sheet or web form, e.g. spherical or cubic objects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/008—Controlling printhead for accurately positioning print image on printing material, e.g. with the intention to control the width of margins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/01—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for special character, e.g. for Chinese characters or barcodes
Abstract
The invention discloses an automatic marking device for a graphite electrode. The device comprises a mounting base, a vertical driving mechanism, a marking mechanism and a control system; one side of the mounting base is provided with a vertical driving mechanism, the other side of the mounting base is provided with a bottom plate, and the mounting base is detachably arranged outside the molding mouth of the extruding machine; the lower part of the vertical driving mechanism is provided with a marking mechanism which is used for driving the marking mechanism to do vertical lifting motion; the marking mechanism comprises a linear guide rail pair, a character number mounting frame and a character number wheel set, wherein the linear guide rail pair is respectively connected with the lower part of the vertical driving mechanism and the upper part of the character number mounting frame, the character number mounting frame is horizontally and reciprocally mounted at the lower part of the vertical driving mechanism through the linear guide rail pair, the character number wheel set is mounted on the character number mounting frame, and a plurality of character numbers are arranged on the character number wheel set; the control system is used for detecting the position of the graphite electrode and controlling the action of the vertical driving mechanism. The marking device can mark when the electrode is in the extrusion process, and has the advantages of simple action, short time, high efficiency and good marking effect.
Description
Technical Field
The invention relates to the technical field of graphite electrode production equipment, in particular to an automatic marking device for a graphite electrode.
Background
At present, a series of technological processes such as kneading, molding, roasting, dipping, graphitization, machining and the like are required in the production process of the graphite electrode, so that the working procedures are multiple, and the production period is long; meanwhile, in a plurality of production links, the graphite electrode is carried, charged, discharged and the like; if the graphite electrodes cannot be effectively identified in the production links, subsequent work is easily disordered, so that production cannot be effectively organized.
With the increasing requirements of electrode application on the quality of electrode products, the content of electrode product labels is increasing, including batch numbers, heat times, production dates and the like, and some labels even require single-piece numbers.
The automatic marking device for graphite electrode production field that has now mainly adopts the machinery method of marking a number to avoid artifical marking inefficiency and the not normal scheduling problem of marking a number, for example: the graphite electrode end face marking device and the method thereof are disclosed in Chinese patent documents with the publication number of CN208497994U and the name of a graphite electrode marking machine, the publication number of CN109228686A and the name of a graphite electrode end face marking device and method, and the publication number of CN207683101U and the name of a graphite electrode end face automatic marking device.
However, the conventional automatic electrode marking device needs to be lifted, clamped, fixed and the like before marking the graphite electrode, so that the control action is more and the action period is long; the graphite electrode needs to be conveyed by a primary roller conveyor with a certain length and a series of marking preparation actions before marking, so that the surface of the graphite electrode is cooled and hardened, and the marking of the graphite electrode is carried out at the moment, so that the surface of the graphite electrode is easy to locally break and peel; and the existing graphite electrode automatic marking device can not realize the automatic and orderly progressive electrode numbering.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides an automatic marking device for a graphite electrode.
Therefore, the invention discloses an automatic marking device for graphite electrodes, which comprises: the marking machine comprises a mounting base, a vertical driving mechanism, a marking mechanism and a control system;
the vertical driving mechanism is installed on one side of the installation base, the bottom plate is installed on the other side of the installation base, and the installation base is detachably installed on the outer side of the extrusion machine nozzle through the bottom plate;
the marking mechanism is arranged at the lower part of the vertical driving mechanism and is used for driving the marking mechanism to do vertical lifting motion;
the marking mechanism comprises a linear guide rail pair, a character number mounting frame and a character number wheel set, the linear guide rail pair is respectively connected with the lower part of the vertical driving mechanism and the upper part of the character number mounting frame, the character number mounting frame can be horizontally and reciprocally mounted at the lower part of the vertical driving mechanism through the linear guide rail pair, the character number wheel set is mounted on the character number mounting frame, and a plurality of character numbers are arranged on the character number wheel set;
the control system is used for detecting the position of the graphite electrode and controlling the action of the vertical driving mechanism.
Preferably, in the graphite electrode automatic marking device, the vertical driving mechanism comprises a guide rod, a connecting plate and a power actuator;
a guide cylinder matched with the guide rod is arranged on the mounting base, and one end of the guide rod vertically penetrates through the guide cylinder and is connected to the upper end of the connecting plate;
the lower end of the connecting plate is connected with the linear guide rail pair;
and one end of the power executing element is installed on the installation base, and the other end of the power executing element is installed on the connecting plate and used for driving the connecting plate to do vertical lifting motion.
Preferably, in the automatic marking device of above-mentioned graphite electrode, the device still includes horizontal reset mechanism, horizontal reset mechanism is used for right the horizontal position of type number mounting bracket carries out automatic re-setting control, so that when marking mechanism makes a number to graphite electrode, type number mounting bracket and the installation on it the type number wheelset homoenergetic is followed graphite electrode and is followed graphite electrode along graphite electrode moving direction horizontal migration and is set for the distance.
Preferably, in the automatic marking device for graphite electrodes, the horizontal reset mechanism comprises a horizontal reset deflector rod and a horizontal reset catch wheel, the horizontal reset deflector rod is vertically installed on the installation base, the lower end of the horizontal reset deflector rod is an inclined plane, the horizontal reset catch wheel is installed on the number installation frame, and the horizontal reset deflector rod and the horizontal reset catch wheel are matched with each other.
Preferably, in the automatic marking device for graphite electrodes, the device further includes a character number carry mechanism, and the character number carry mechanism is used for switching and controlling positions of the plurality of character numbers of the character number wheel set of the marking mechanism, so that serial numbers on the graphite electrodes are sequentially advanced when the marking mechanism marks the graphite electrodes.
Preferably, in the graphite electrode automatic marking device, the character size carry mechanism includes: the device comprises a carry frame, a carry frame return spring, a carry shifting fork return spring and a carry ejector rod;
the character wheel set comprises a plurality of character wheels coaxially arranged on the inner side of the character mounting rack, a plurality of convex edges extending outwards along the radial direction are arranged on the annular wheel surface of the character wheel, the convex edges are uniformly distributed along the circumferential direction of the character wheel, each convex edge is provided with one character, the two axial end surfaces of the character wheel are respectively provided with a carry tooth and a circular boss, the carry tooth is uniformly provided with a plurality of carry bayonets along the circumferential direction, the carry bayonets and the convex ridges are consistent in number and are matched in position, the circular boss is provided with an upper bayonet, and the upper position bayonet is coincided with the projection of one of the plurality of carry bayonets in the axial direction of the character number wheel, the diameter of the circular boss is larger than or equal to the diameter of an outer circle of the carry bayonet, and the carry tooth of one character number wheel in two adjacent character number wheels is opposite to the circular boss of the other character number wheel;
one end of the advancing frame is rotatably arranged on the character number mounting frame, and the other end of the advancing frame can rotate around the central axis of the character number wheel;
one end of the carry frame return spring is connected with the character number mounting frame, and the other end of the carry frame return spring is connected with the carry frame;
the carry shifting forks are matched with carry bayonets of the character wheel, the carry shifting forks are rotatably arranged on the carry frame through carry shifting fork reset springs, the carry shifting forks comprise a plurality of carry shifting forks, the carry shifting forks are sequentially arranged along the axial direction of the character wheel set, one carry shifting fork positioned on the outermost side of the carry shifting forks is matched with a carry tooth positioned on one character wheel on the outermost side, and the rest carry shifting forks are matched with carry teeth and circular bosses which are just opposite in two adjacent character wheels;
one end of the carry ejector rod is installed on the installation base, the other end of the carry ejector rod is detachably abutted to the carry frame, and the carry ejector rod is matched with the carry frame reset spring and used for driving the other end of the carry frame to rotate around the central axis of the character wheel in a reciprocating mode within a set angle.
Preferably, in the automatic marking device for graphite electrodes, the device further comprises a character number positioning plate and a connecting spring;
the character number positioning plate is characterized in that one end of the character number positioning plate is connected to the character number mounting frame through the connecting spring, and the other end of the character number positioning plate is provided with a limiting bayonet matched with the carry bayonet of the character number wheel.
Preferably, in the automatic marking device for graphite electrodes, the marking mechanism further comprises a bracket depth controller, and the marking depth controller is mounted on the character number mounting frame and used for detecting and controlling the marking depth.
Preferably, in the graphite electrode automatic marking device, the depth controller comprises a depth contact and a proximity switch;
the number deep contact is arranged on the number mounting rack, and the lower end face of the number deep contact and the number end face on the convex edge at the bottom end in the number wheel are positioned on the same plane;
the proximity switch is installed on the character number mounting rack and used for detecting the position of the number deep contact.
Preferably, in the automatic marking device for graphite electrodes, the control system comprises a detection switch and a controller;
the detection switch is arranged on a material conveying groove on the outer side of the extrusion machine nozzle and is used for detecting the position of the graphite electrode;
the controller is respectively connected with the detection switch and the vertical driving mechanism and is used for controlling the action of the vertical driving mechanism according to the detection information of the detection switch.
The technical scheme of the invention has the following main advantages:
the automatic marking device for the graphite electrode can mark the graphite electrode when the graphite electrode is in an extrusion process, so that the marking action of the graphite electrode is embedded in the extrusion production process of the electrode, the online marking of the graphite electrode can be realized, the marking action is simple, the time is short, and the production efficiency of the graphite electrode is effectively improved; meanwhile, the marking position of the graphite electrode is close to the type nozzle, and the surface of the electrode is not cooled and hardened when marking is carried out, so that the marking effect of the graphite electrode can be ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of an automatic marking device for graphite electrodes according to an embodiment of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a schematic view of a part of the marking mechanism according to an embodiment of the present invention, wherein a horizontal reset mechanism and a number carrying mechanism are further shown;
FIG. 4 is a schematic structural diagram of a number wheel according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a depth controller according to an embodiment of the present invention;
FIG. 6 is a schematic view of the structure of FIG. 5 in a cross-sectional view;
fig. 7 is a schematic view of the use state of the graphite electrode automatic marking device according to an embodiment of the present invention.
Description of reference numerals:
1-mounting base, 2-vertical driving mechanism, 21-guide bar, 22-connecting plate, 23-power executing element, 3-marking mechanism, 31-linear guide rail pair, 32-character number mounting frame, 33-character number wheel set, 331-character number wheel, 3311-rib, 3312-carry tooth, 3313-circular boss, 34-depth controller, 341-depth contact, 342-proximity switch, 4-horizontal reset mechanism, 41-horizontal reset deflector rod, 42-horizontal reset block wheel, 5-character number carry mechanism, 51-carry frame, 52-carry frame reset spring, 53-carry fork, 54-carry fork reset spring, 55-carry ejector rod, 6-character number positioning plate, 7-connecting spring, 8-detection switch, X1-type nozzle, X2-material conveying groove and X3-baffle beam.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely a few embodiments of the invention, 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 making any creative effort, shall fall within the protection scope of the present invention.
The technical scheme provided by the embodiment of the invention is described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 5, an embodiment of the present invention provides an automatic marking device for graphite electrodes, including: the marking machine comprises a mounting base 1, a vertical driving mechanism 2, a marking mechanism 3 and a control system; one side of the mounting base 1 is provided with a vertical driving mechanism 2, the other side is provided with a bottom plate, and the mounting base 1 is detachably arranged outside an extruder type nozzle X1 through the bottom plate; the lower part of the vertical driving mechanism 2 is provided with a marking mechanism 3 which is used for driving the marking mechanism 3 to do vertical lifting movement; the marking mechanism 3 comprises a linear guide rail pair 31, a character number mounting frame 32 and a character number wheel set 33, the linear guide rail pair 31 is respectively connected with the lower part of the vertical driving mechanism 2 and the upper part of the character number mounting frame 32, the character number mounting frame 32 can be horizontally and reciprocally mounted at the lower part of the vertical driving mechanism 2 through the linear guide rail pair 31, the character number wheel set 33 is mounted on the character number mounting frame 32, and a plurality of character numbers are arranged on the character number wheel set 33; the control system is used for detecting the position of the graphite electrode and controlling the action of the vertical driving mechanism 2.
When the automatic marking device for the graphite electrode provided by the embodiment of the invention is used, a bottom plate is fixed on a baffle beam X3 at the outer side of an extruder type nozzle X1, and the automatic marking device for the graphite electrode is positioned right above a conveying area of the graphite electrode; when an extruder starts to extrude a graphite electrode, the graphite electrode is extruded from a molding nozzle X1 and enters a material conveying groove X2, a control system detects the position of the graphite electrode, when the graphite electrode is detected to be marked, the vertical driving mechanism 2 is controlled to act, the vertical driving mechanism 2 acts to drive the marking mechanism 3 to descend, the number on the number wheel set 33 is pressed into the graphite electrode, and after the number of the number wheel set 33 is pressed into the graphite electrode for a certain depth, the vertical driving mechanism 2 drives the marking mechanism 3 to ascend and separate from the graphite electrode to finish marking; in the process that graphite electrode was impressed to the word on word wheelset 33, when graphite electrode moved along graphite electrode moving direction, word wheelset 33 and word mounting bracket 32 moved one section distance through linear guide pair 31 synchronous following graphite electrode, when accomplishing the graphite electrode back of making a number, reset the horizontal position of word wheelset 33 and word mounting bracket 32 again.
Therefore, the automatic marking device for the graphite electrode provided by the embodiment of the invention can mark the graphite electrode when the graphite electrode is in an extrusion process, so that the marking action of the graphite electrode is embedded in the extrusion production process of the electrode, the online marking of the graphite electrode can be realized, the marking action is simple, the time is short, and the production efficiency of the graphite electrode is effectively improved; meanwhile, the marking position of the graphite electrode is close to the type nozzle X1, the surface of the electrode is not cooled and hardened when marking is carried out, and the marking effect of the graphite electrode can be ensured.
How the vertical driving mechanism 2 drives the marking mechanism 3 to do vertical lifting movement is exemplified as follows: as shown in fig. 1, the vertical driving mechanism 2 includes a guide bar 21, a connecting plate 22, and a power actuator 23; a guide cylinder matched with the guide rod 21 is arranged on the mounting base 1, and one end of the guide rod 21 vertically penetrates through the guide cylinder and is connected to the upper end of the connecting plate 22; the lower end of the connecting plate 22 is connected with a linear guide rail pair 31; one end of the power executing element 23 is installed on the installation base 1, and the other end is installed on the connecting plate 22, and is used for driving the connecting plate 22 to do vertical lifting movement.
Thus, the control system controls the power actuator 23 to drive the connecting plate 22 to vertically lift and lower, so as to control the marking mechanism 3 to ascend or descend.
Wherein, the guide rod 21 may include a plurality of guide rods 21, and the plurality of guide rods 21 are symmetrically arranged with respect to the center of the connecting plate 22; preferably, the guide rods 21 are two, and the two guide rods 21 are symmetrically disposed at both sides of the upper end of the connection plate 22.
Preferably, the power actuator 23 is a cylinder, and a rod end of the cylinder is connected to the connection plate 22.
In the embodiment of the present invention, the linear guide pair 31 may include a sliding groove disposed at the lower end of the connecting plate 22 and a sliding block mounted on the font mounting bracket 32, and the sliding block and the sliding groove are mutually matched.
As above-mentioned, the in-process of graphite electrode is impressed to the word on word wheelset 33, and one section distance can be removed along with graphite electrode to word wheelset 33 and word mounting bracket 32 simultaneously, and after accomplishing graphite electrode marking, the horizontal position of rethread word wheelset 33 and word mounting bracket 32 resets. In the embodiment of the invention, in order to realize the automatic reset control of the horizontal positions of the character number wheel set 33 and the character number mounting frame 32, the graphite electrode automatic marking device further comprises a horizontal reset mechanism 4, wherein the horizontal reset mechanism 4 is used for carrying out the automatic reset control on the horizontal positions of the character number wheel set 33 and the character number mounting frame 32, so that when the marking mechanism 3 marks the graphite electrode, the character number wheel set 33 and the character number mounting frame 32 can horizontally move for a set distance along the moving direction of the graphite electrode along with the graphite electrode, and the smooth operation of the electrode marking process is ensured.
As to how the horizontal return mechanism 4 realizes the automatic return control of the horizontal positions of the combination wheel 33 and the combination mount 32, the following is exemplified: as shown in fig. 1, the horizontal reset mechanism 4 includes a horizontal reset deflector rod 41 and a horizontal reset catch wheel 42, the horizontal reset deflector rod 41 is vertically installed on the installation base 1, the lower end of the horizontal reset deflector rod 41 is an inclined plane, the horizontal reset catch wheel 42 is installed on the number installation frame 32, and the horizontal reset deflector rod 41 and the horizontal reset catch wheel 42 are mutually matched.
When the character wheel set 33 of the marking mechanism 3 is driven by the vertical driving mechanism 2 to press the graphite electrode to mark the graphite electrode, the horizontal reset catch wheel 42 horizontally moves for a set distance along the inclined plane of the horizontal reset deflector rod 41 to the moving direction of the graphite electrode; when the marking mechanism 3 returns, the vertical driving mechanism 2 drives the marking mechanism 3 to ascend, and at the moment, the horizontal reset catch wheel 42 is pushed by the horizontal reset deflector rod 41 to horizontally move along the inclined plane of the horizontal reset deflector rod 41 to the graphite electrode in the opposite direction for a set distance, and simultaneously drives the character number wheel set 32 and the character number wheel set 33 mounted on the character number wheel set 32 to horizontally move along the graphite electrode in the opposite direction for a set distance, so that the horizontal positions of the character number wheel set 33 and the character number mounting frame 32 are reset.
Furthermore, in the embodiment of the present invention, in order to realize that the serial numbers on each graphite electrode can be automatically and sequentially advanced to effectively distinguish each electrode, and avoid the low electrode production efficiency caused by manually dialing the number wheel set 33, the graphite electrode automatic marking device further includes a number carry mechanism 5, and the number carry mechanism 5 is used for switching and controlling the positions of the plurality of numbers of the number wheel set 33 of the marking mechanism 3, so that the serial numbers on the graphite electrodes are sequentially advanced when the marking mechanism 3 marks the graphite electrodes.
How the character size carry mechanism 5 realizes the position switching control of a plurality of character sizes of the character size wheel group 33 of the marking mechanism 3 so as to realize the automatic and ordered progressive of the serial numbers on each graphite electrode, the following examples are illustrated: as shown in fig. 1 to 4, the character size carry mechanism 5 includes: a carry frame 51, a carry frame return spring 52, a carry fork 53, a carry fork return spring 54 and a carry ejector pin 55; the number wheel set 33 comprises a plurality of number wheels 331 coaxially mounted on the inner side of the number mounting frame 32, a plurality of ribs 3311 extending outward in the radial direction are arranged on the annular wheel surface of the number wheels 331, the plurality of ribs 3311 are uniformly distributed along the circumferential direction of the number wheels 331, a number is arranged on each rib 3311, carry teeth 3312 and circular bosses 3313 are respectively arranged on the two axial end surfaces of the number wheels 331, the carry teeth 3312 are uniformly provided with a plurality of carry bayonets along the circumferential direction, the plurality of carry bayonets are consistent with the plurality of ribs 3311 in number and are matched with each other in position, the circular bosses 3313 are provided with an upper bayonet, the projection of the upper position bayonet and one of the carry bayonets on the axial direction of the number wheel 331 are coincided, the diameter of the circular boss 3313 is larger than or equal to the diameter of the circumscribed circle of the carry bayonet, among the number wheels 331 coaxially installed inside the number mounting frame 32, the carry tooth 3312 of one number wheel 331 of the adjacent two number wheels 331 is directly opposite to the circular boss 3313 of the other number wheel 331; one end of the advancing frame 51 is rotatably arranged on the character number mounting frame 32, and the other end can rotate around the central axis of the character number wheel 331; one end of the inlet frame return spring 52 is connected with the character number mounting frame 32, and the other end is connected with the inlet frame 51; the carry shift forks 53 are matched with carry bayonets of the character wheel 331, the carry shift forks 53 are rotatably mounted on the carry frame 51 through carry shift fork reset springs 54, the carry shift forks 53 comprise a plurality of carry shift forks 53, the carry shift forks 53 are sequentially arranged along the axial direction of the character wheel set 33, one carry shift fork 53 positioned at the outermost side of the carry shift forks 53 is matched with a carry tooth 3312 of one character wheel 331 positioned at the outermost side, the remaining carry shift forks 53 are matched with a carry tooth 3312 and a circular boss 3313 which are opposite to each other in two adjacent character wheels 331, and the carry shift fork reset springs 54 are respectively connected with the carry frame 51 and the carry shift forks 53; one end of the carry ejector rod 55 is mounted on the mounting base 1, the other end of the carry ejector rod is detachably abutted against the carry frame 51, and the carry ejector rod 55 is matched with the carry frame return spring 52 and used for driving the other end of the carry frame 51 to rotate in a reciprocating manner within a set angle around the central axis of the character wheel 331.
According to the arrangement, when the vertical driving mechanism 2 drives the marking mechanism 3 to descend for marking, the marking mechanism 3 descends relative to the carry ejector rod 55, the carry frame 51 rotates by a certain angle around the central axis of the number wheel 331 according to a set direction under the pulling of the carry frame return spring 52, and simultaneously drives the carry shift fork 53 to rotate, and one carry shift fork 53 positioned at the outermost side is synchronously rotated and clamped into the next carry bayonet of the carry tooth 3312 of the number wheel 331 under the driving of the carry frame 51 and the carry shift fork return spring 54; when the vertical driving mechanism 2 drives the marking mechanism 3 to ascend and return, the marking mechanism 3 ascends relative to the carry ejector rod 55, the carry frame 51 rotates by a certain angle around the central axis of the character number wheel 331 according to the reverse direction of the set direction under the pushing of the carry ejector rod 55, and simultaneously drives the carry shifting fork 53 to rotate, and as the carry shifting fork 53 positioned at the outermost side is clamped into the carry bayonet of the character number wheel 331, the carry shifting fork 53 rotates to synchronously drive the character number wheel 331 to rotate, so that the adjustment of the position of the character number wheel 331 is completed; meanwhile, except for the carry fork 53 at the outermost side, the remaining carry forks 53 are all matched with the carry teeth 3312 and the circular bosses 3313 facing each other in the two adjacent number wheels 331, the diameter of the circular boss 3313 is greater than or equal to the diameter of the circumscribed circle of the carry bayonet of the carry teeth 3312, and only one upper bayonet is arranged on the circular boss 3313, so that when the previous number wheel 331 rotates by one turn, the next number wheel 331 adjacent to the previous number wheel 331 rotates by one turn under the driving of the carry fork 53.
The number of the convex ribs 3311 on each character wheel 331 and the character numbers arranged on the convex ribs 3311 are determined according to the actual requirements of the electrode numbers, the number of the character wheels 331 and the number of the carry forks 53 are determined according to the actual requirements of the electrode numbers, and the number of the carry forks 53 is less than or equal to the number of the character wheels 331.
For example, as shown in fig. 1, in the embodiment of the present invention, 8 number wheels 331 are provided, each number wheel 331 is provided with 10 protruding ribs 3311 and 10 carry bayonets, the number of the carry forks 53 is 3, and each number wheel 331 of the 3 number wheels 331 matched with the 3 carry forks 53 is provided with numbers 0 to 9; so, in 3 word wheel 331 with 3 carry shift fork 53 cooperations, first word wheel 331 rotates ten times (rotate the circle promptly), and second word wheel 331 rotates once (rotate 1/10 circles promptly), and second word wheel 331 rotates ten times, and third word wheel 331 rotates once, realizes that the electrode serial number is automatic in order to go forward one by one.
Further, as shown in fig. 3, in order to prevent the counter wheel 331 from rotating in the opposite direction when the marking mechanism 3 marks or the number wheel 331 carries, the graphite electrode automatic marking device further comprises a number positioning plate 6 and a connecting spring 7; the connecting spring 7 is respectively connected with the character number mounting frame 32 and the character number positioning plate 6, one end of the character number positioning plate 6 is connected to the character number mounting frame 32 through the connecting spring 7, and the other end of the character number positioning plate is provided with a limiting bayonet matched with the carry bayonet of the character number wheel 331; in this way, the rotation direction of the character wheel 331 is limited by the engagement of the limit bayonet and the carry bayonet of the character wheel 331, and the character wheel 331 can be prevented from rotating in the opposite direction.
Further, in the embodiment of the present invention, the marking mechanism 3 further includes a bracket depth controller 34, and the marking depth controller 34 is mounted on the number mounting rack 32 and is used for detecting and controlling the marking depth.
Preferably, as shown in fig. 1, 5, 6, depth controller 34 includes a depth contact 341 and a proximity switch 342; the number depth contact 341 is mounted on the number mounting frame 32, and the lower end surface of the number depth contact 341 and the number end surface on the convex rib 3311 at the bottom end in the number wheel 331 are positioned on the same plane; the proximity switch 342 is mounted on the font mount 32 and connected to the control system for detecting the position of the font contact 341 and sending the detection information to the control system.
Further, in the embodiment of the present invention, the control system includes a detection switch 8 and a controller; the detection switch 8 is arranged on a material conveying groove X2 on the outer side of the extrusion machine type nozzle X1 and is used for detecting the position of a graphite electrode; the controller is respectively connected with the detection switch 8 and the vertical driving mechanism 2 and is used for controlling the action of the vertical driving mechanism 2 according to the detection information of the detection switch 8; in addition, the controller is also connected with a proximity switch 342 and used for controlling the action of the vertical driving mechanism 2 according to the detection information of the proximity switch 342, thereby realizing the accurate control of the marking depth.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. In addition, "front", "rear", "left", "right", "upper" and "lower" in this document are referred to the placement states shown in the drawings.
Finally, it should be noted that: the above examples are only for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. An automatic marking device for graphite electrodes comprises: the device comprises a mounting base (1), a vertical driving mechanism (2), a marking mechanism (3), a control system and a character size carry mechanism (5);
the vertical driving mechanism (2) is installed on one side of the installation base (1), a bottom plate is installed on the other side of the installation base (1), and the installation base (1) is detachably installed on the outer side of an extruder type nozzle (X1) through the bottom plate;
the marking mechanism (3) is arranged at the lower part of the vertical driving mechanism (2) and is used for driving the marking mechanism (3) to do vertical lifting motion;
the marking mechanism (3) comprises a linear guide rail pair (31), a character number mounting frame (32) and a character number wheel set (33), the linear guide rail pair (31) is respectively connected with the lower part of the vertical driving mechanism (2) and the upper part of the character number mounting frame (32), the character number mounting frame (32) is mounted on the lower part of the vertical driving mechanism (2) in a horizontally reciprocating manner through the linear guide rail pair (31), the character number wheel set (33) is mounted on the character number mounting frame (32), and a plurality of character numbers are arranged on the character number wheel set (33);
the control system is used for detecting the position of the graphite electrode and controlling the action of the vertical driving mechanism (2);
the character number carry mechanism (5) is used for switching and controlling the positions of a plurality of character numbers of the character number wheel set (33) of the marking mechanism (3) so as to orderly and progressively code numbers on the graphite electrode when the marking mechanism (3) marks the graphite electrode,
the method is characterized in that:
the character size carry mechanism (5) comprises: the carrying mechanism comprises a carrying frame (51), a carrying frame return spring (52), a carrying shift fork (53), a carrying shift fork return spring (54) and a carrying ejector rod (55);
the number wheel set (33) comprises a plurality of number wheels (331) coaxially installed on the inner side of the number mounting frame (32), a plurality of convex ribs (3311) extending outwards along the radial direction are arranged on the annular wheel surface of the number wheels (331), the convex ribs (3311) are uniformly distributed along the circumferential direction of the number wheels (331), each convex rib (3311) is provided with one number, the axial two end surfaces of the number wheels (331) are respectively provided with a carry tooth (3312) and a circular boss (3313), the carry tooth (3312) is uniformly provided with a plurality of carry bayonets along the circumferential direction, the carry bayonets are consistent with the convex ribs (3311) in number and are matched with each other in position, the circular boss (3313) is provided with an upper bayonet, the upper bayonet and one of the carry bayonets are coincided with the axial shadow of the number wheels (331), the diameter of the circular boss (3313) is larger than or equal to the diameter of the external round bayonets of the carry bayonets, the carry tooth (3312) of one character number wheel (331) in the two adjacent character number wheels (331) is opposite to the circular boss (3313) of the other character number wheel (331);
one end of the advancing frame (51) is rotatably arranged on the character number mounting frame (32), and the other end of the advancing frame can rotate around the central axis of the character number wheel (331);
one end of the advancing frame return spring (52) is connected with the character number mounting frame (32), and the other end of the advancing frame return spring is connected with the advancing frame (51);
the carry shifting forks (53) are matched with carry bayonets of the character number wheels (331), the carry shifting forks (53) are rotatably arranged on the carry frame (51) through carry shifting fork reset springs (54), the carry shifting forks (53) comprise a plurality of carry shifting forks (53), the carry shifting forks (53) are sequentially arranged along the axial direction of the character number wheel set (33), one carry shifting fork (53) positioned on the outermost side in the carry shifting forks (53) is matched with a carry tooth (3312) of one character number wheel (331) positioned on the outermost side, and the rest carry shifting forks (53) are matched with carry teeth (3312) and circular bosses (3313) which are just opposite in two adjacent character number wheels (331);
one end of the carry ejector rod (55) is installed on the installation base (1), the other end of the carry ejector rod is detachably abutted to the advancing frame (51), and the carry ejector rod (55) is matched with the advancing frame return spring (52) and used for driving the other end of the advancing frame (51) to rotate around the central axis of the character wheel (331) in a reciprocating mode within a set angle.
2. The automatic marking device of graphite electrodes according to claim 1, characterized in that the vertical driving mechanism (2) comprises a guide rod (21), a connecting plate (22) and a power actuator (23);
a guide cylinder matched with the guide rod (21) is arranged on the mounting base (1), and one end of the guide rod (21) vertically penetrates through the guide cylinder and is connected to the upper end of the connecting plate (22);
the lower end of the connecting plate (22) is connected with the linear guide rail pair (31);
one end of the power executing element (23) is installed on the installation base (1), and the other end of the power executing element is installed on the connecting plate (22) and used for driving the connecting plate (22) to do vertical lifting movement.
3. The automatic marking device for the graphite electrodes according to claim 1, further comprising a horizontal reset mechanism (4), wherein the horizontal reset mechanism (4) is used for automatically resetting and controlling the horizontal position of the character number mounting frame (32), so that when the marking mechanism (3) marks the graphite electrodes, the character number mounting frame (32) and the character number wheel set (33) mounted on the character number mounting frame can horizontally move for a set distance along the moving direction of the graphite electrodes along with the graphite electrodes.
4. The graphite electrode automatic marking device according to claim 3, wherein the horizontal reset mechanism (4) comprises a horizontal reset deflector rod (41) and a horizontal reset catch wheel (42), the horizontal reset deflector rod (41) is vertically installed on the installation base (1), the lower end of the horizontal reset deflector rod (41) is an inclined surface, the horizontal reset catch wheel (42) is installed on the number installation frame (32), and the horizontal reset deflector rod (41) and the horizontal reset catch wheel (42) are matched with each other.
5. The automatic marking device of the graphite electrode according to claim 1, characterized in that the device further comprises a character size positioning plate (6) and a connecting spring (7);
word locating plate (6) one end is passed through coupling spring (7) are connected on word mounting bracket (32), the other end set up with the spacing bayonet socket of carry bayonet socket looks adaptation of word wheel (331).
6. The graphite electrode automatic marking device according to claim 1, characterized in that the marking mechanism (3) further comprises a bracket depth controller (34), and the marking depth controller (34) is mounted on the character number mounting frame (32) and used for detecting and controlling the marking depth.
7. The graphite electrode automatic marking device of claim 6, wherein said marking depth controller (34) encloses a deep contact (341) and a proximity switch (342);
the number depth contact (341) is mounted on the number mounting frame (32), and the lower end surface of the number depth contact (341) and the number end surface on the convex rib (3311) at the bottom end in the number wheel (331) are positioned on the same plane;
the proximity switch (342) is installed on the character number mounting frame (32) and used for detecting the position of the number depth contact (341).
8. The graphite electrode automatic marking device according to any one of claims 1 to 7, characterized in that the control system comprises a detection switch (8) and a controller;
the detection switch (8) is arranged on a material conveying groove (X2) on the outer side of the extrusion machine nozzle (X1) and is used for detecting the position of a graphite electrode;
the controller is respectively connected with the detection switch (8) and the vertical driving mechanism (2) and is used for controlling the action of the vertical driving mechanism (2) according to the detection information of the detection switch (8).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911178932.4A CN110978808B (en) | 2019-11-27 | 2019-11-27 | Automatic marking device for graphite electrode |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911178932.4A CN110978808B (en) | 2019-11-27 | 2019-11-27 | Automatic marking device for graphite electrode |
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| CN110978808B true CN110978808B (en) | 2021-03-02 |
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